U.S. Geological Survey
Water Resources Data - Ohio, Water Year 97, Vol. 1 | Scioto River Basin
Water-Discharge | Water-Quality | pH | Water Temperature | Oxygen Dissolved



			03231500 SCIOTO RIVER AT CHILLICOTHE, OHIO

LOCATION.--Lat 39020'29", long 82058'16", Ross County, Hydrologic Unit 05060002, on right bank at north end of    
Chillicothe, 1,400 ft downstream from Bridge Street bridge, 7.4 mi upstream from Paint Creek, and 15.4 mi down-   
stream from Deer Creek.

					WATER-DISCHARGE RECORDS
DRAINAGE AREA.--3,849 mi2.
PERIOD OF RECORD.--December 1913 to September 1914 (gage heights and discharge measurements only). October 1920 to 
current year. Monthly discharge only for some periods, published in WSP 1305. Gage-height records collected in 
this vicinity since 1907 are contained in reports of the National Weather Service.
REVISED RECORDS.--WSP 803: 1929(M). WSP 1908: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 594.05 ft above sea level. Prior to Sept. 30, 1914, nonrecording gage 
at site 1,300 ft upstream at different datum. Apr. 1, 1921, to Aug. 6, 1930, nonrecording gage, at site 1,400 ft 
upstream at present datum. Aug. 7, 1930, to Sept. 30, 1969, water-stage recorder 900 ft upstream at same datum.
REMARKS.--Records good except for periods of estimated record, which are poor. Flow regulated by 6 reservoirs 36 mi 
to 91 mi upstream from station. U.S. Army Corps of Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 26, 1913, reached a stage of 39.8 ft; discharge, 260,000 ft3/s   
(estimated by Franklin County Conservancy District).


	DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997                   
					DAILY MEAN VALUES                                                
 
 DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
   1      2330     1120     9020     4870     4000    11800     3850     1350    10800     3020     1090     1240
   2      2600      948    16900     4420     3410    20300     3120     1630    24000     5090      985     1160
   3      1700      861    15600     3950     3060    21600     2620     1730    32500     3890      933     1100
   4      1250      838    10700     3000     4220    19800     2350    e2800    39200     3350     1010      980
   5      1080      842     8710     2790    15400    11200     2000    e6800    37400     2540     2330      899
 
   6       807      865     6520     3680    21200     9520     2400    e5600    20000     2110     1520      864
   7      1000     1130     4450     4360    19800    14400     2320     4470    15400     1800     1150      830
   8      1060     1560     3580     4280    15100   e17000     1990     3080    15000     1590     1010      817
   9       736     2160     3030     3540     8640   e15000     1840     3400    13000     1480      886      818
  10       845     1640     2540    e2500     6070    15000     1750     3590    11800     1560      799      817
 
  11      1090     1500     2310    e2000    e4700    16500     1660     2980    10600     1550      820      919
  12       715     1430     4800    e1700    e4000    13200     1610     2520     7520     1470      977     1200
  13       591     1370     6360    e1400    e3500     8780     1890     2330     5390     1450     1190     1020
  14       555     1440     9340    e1300    e3200     7440     2260     2090     8780     1350     2560      870
  15       539     1310     9840    e1100    e2900    13800     2250     2120     6460     1250     1720      791
 
  16       622     1090     9270    e1400    e2600    13900     2080     2360     4110     1170     4000      759
  17       716     1020    11200    e1700    e2300     9530     1880     1800     6420      997     5280      745
  18       773     1400    18500    e1400    e2100     8140     1740     1590    11500      920    20500      749
  19      1300     1630    20800    e1100    e1900    10100     1600     2000    14700      901    13000      718
  20      1560     1250    18100    e1000    e2200     8530     1520     2590     9950     1200     8480      758
 
  21      1090     1200    12500    e1300     4340     6430     1490     2280     5970     1030     9870     1030
  22       962     1190     7140     1550     6180     4790     1420     2450     4060      888     7300      872
  23       947     1250     5140     2660     6610     4260     1250     2590     3170      936     5310      758
  24      1050     1160     6390     4910     5630     3930     1240     1890     2640     2270     3620      731
  25      1110     1060    14000     7990     4520     3610     1210     1640     2190     2090     2780      688
 
  26      1070     2980    13200     7770     3280     3400     1250     2760     1930     1440     2410      688
  27       965    10500    10200     4960     3100     3410     1220     4530     1850     1640     2060      673
  28      1290    11000     9130    10900     4560     3070     1690     6540     1780     6630     1830      634
  29      1340     8190     6190    11200      ---     3030     2160     5130     1620     3670     1690      630
  30       997     6240     5520     8270      ---     3460     1730     3980     1680     1920     1480      620
  31      1120      ---     5320     6040      ---     3490      ---     3080      ---     1340     1320      ---
 
 TOTAL   33810    70174   286300   119040   168520   308420    57390    93700   331420    62542   109910    25378
 MEAN     1091     2339     9235     3840     6019     9949     1913     3023    11050     2017     3545      846
 MAX      2600    11000    20800    11200    21200    21600     3850     6800    39200     6630    20500     1240
 MIN       539      838     2310     1000     1900     3030     1210     1350     1620      888      799      620
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1921 - 1997, BY WATER YEAR (WY)                                 
 
 MEAN      968     2053     3568     5284     5820     7211     6025     4180     3259     2137     1452      986
 MAX      8068    12130    14120    30110    13700    19450    14640    18590    11050     9507     8263    10180
 (WY)     1927     1973     1991     1937     1951     1963     1957     1996     1997     1992     1980     1979
 MIN       192      210      222      312      386     1041     1136      440      378      303      214      207
 (WY)     1954     1935     1935     1931     1934     1931     1941     1934     1925     1930     1930     1953
 
 SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1921 - 1997
 
 ANNUAL TOTAL                     2357769                    1666604                                             
 ANNUAL MEAN                         6442                       4566                       3567                  
 HIGHEST ANNUAL MEAN                                                                       6217              1973
 LOWEST ANNUAL MEAN                                                                         883              1934
 HIGHEST DAILY MEAN                 36800     May  2           39200     Jun  4          127000       Jan 23 1959
 LOWEST DAILY MEAN                    539     Oct 15             539     Oct 15             166       Sep 27 1944
 ANNUAL SEVEN-DAY MINIMUM             636     Aug 30             644     Oct 12             174       Sep 21 1944
 INSTANTANEOUS PEAK FLOW                                       42100     Jun  4          144000       Jan 23 1959
 INSTANTANEOUS PEAK STAGE                                         16.23  Jun  4              32.50    Jan 23 1959
 INSTANTANEOUS LOW FLOW                                          539     Oct 15             166       Sep 27 1944
 10 PERCENT EXCEEDS                 18200                      11600                       9230                  
 50 PERCENT EXCEEDS                  3310                       2300                       1480                  
 90 PERCENT EXCEEDS                   815                        871                        370                  

e Estimated.
	
		        	03231500 SCIOTO RIVER AT CHILLICOTHE, OHIO
					WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1950-51, 1965-1981, November 1985 to current year.
PERIOD OF DAILY RECORD.--
   SPECIFIC CONDUCTANCE: May 1965 to October 1981, November 1985 to current year.
   pH: June 1971 to October 1981, November 1985 to current year.
   WATER TEMPERATURES: October 1950 to September 1951, October 1953 to October 1981,
      November 1985 to current year.
   DISSOLVED OXYGEN: May 1965 to October 1981, November 1985 to current year.
INSTRUMENTATION.--Water-quality monitor. Electronic data logger replaced digital recorder since July 12, 1991. Set 
for 1-hour interval.
REMARKS.--Interruptions in the water-quality record were due to malfunction of the instrument. 
EXTREMES FOR PERIOD OF DAILY RECORD.--
   SPECIFIC CONDUCTANCE: Maximum, 1,210 microsiemens Jan. 13, 1976; minimum, 150 microsiemens June 29, 1972.
   pH: Maximum, 9.3 units Aug. 24-26, 1981, May 1, 1988, and Oct. 1, 2, 1995; minimum, 6.3 units Mar. 6, 1979.
   WATER TEMPERATURES: Maximum, 32.5C July 17, Aug. 18, 1988; minimum 0.0C on many days
      during winters.
   DISSOLVED OXYGEN: Maximum, >20.0 mg/L on several days during 1978 thru 1995; minimum, 0.0 mg/L
      April 27, Aug. 12, Sept. 22, 1966.
EXTREMES FOR CURRENT YEAR.--
   SPECIFIC CONDUCTANCE: Maximum, 927 microsiemens Sept. 12; minimum, 230 microsiemens Aug. 18.
   pH: Maximum recorded, 8.6 units May 22 and 23; minimum recorded, 7.2 units Aug. 8.
   WATER TEMPERATURES: Maximum, 29.0C July 17 and 18; minimum, 0.0C on several days during winter.
   DISSOLVED OXYGEN: Maximum, 18.1 mg/L July 21; minimum, 4.6 mg/L July 28.

	SPECIFIC CONDUCTANCE, US/CM @ 25 DEGREES CELSIUS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997        
 
 DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN
 
                OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY
 
   1      548     481     510       644     615     624       481     400     463       494     485     489
   2      595     548     576       666     644     656       418     341     386       514     493     505
   3      616     579     601       696     666     684       450     413     429       535     514     523
   4      618     611     614       692     680     686       484     450     470       595     535     568
   5      657     613     633       693     676     682       472     458     462       ---     ---     ---
 
   6      701     657     683       696     679     691       475     459     464       ---     ---     ---
   7      736     701     719       709     679     698       525     475     506       ---     ---     ---
   8      788     736     752       702     685     692       535     524     529       603     570     592
   9      813     744     786       717     645     677       564     535     550       584     575     581
  10      744     721     732       645     581     602       607     564     583       581     573     576
 
  11      738     709     719       605     586     599       633     607     619       595     569     578
  12      789     731     762       623     605     616       643     519     605       624     595     614
  13      786     722     752       619     607     614       519     467     495       656     623     637
  14      722     712     715       636     606     618       568     509     541       692     656     675
  15      738     716     726       669     636     654       568     502     542       704     688     695
 
  16      765     738     754       670     656     664       502     408     438       699     687     696
  17      777     765     773       665     655     659       408     361     391       703     686     696
  18      774     719     745       710     655     685       389     366     377       725     701     712
  19      719     684     699       741     705     722       384     362     374       745     725     737
  20      720     702     715       705     652     666       383     352     367       782     745     762
 
  21      711     599     646       665     628     640       367     345     351       ---     ---     ---
  22      599     584     590       667     629     647       415     367     393       ---     ---     ---
  23      619     598     609       692     667     683       461     415     436       ---     ---     ---
  24      657     619     640       699     686     691       502     461     485       ---     ---     ---
  25      673     657     666       713     699     705       494     396     426       ---     ---     ---
 
  26      691     668     676       703     659     684       450     396     408       ---     ---     ---
  27      700     684     696       659     439     492       464     446     460       ---     ---     ---
  28      737     679     703       556     483     531       446     425     431       ---     ---     ---
  29      761     713     733       573     556     564       474     433     454       ---     ---     ---
  30      758     657     696       570     474     519       489     474     485       ---     ---     ---
  31      674     624     660       ---     ---     ---       492     485     489       ---     ---     ---
 
 MONTH    813     481     686       741     439     645       643     341     465       782     485     626

               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      ---     ---     ---       651     455     551       605     584     594       693     669     681
   2      ---     ---     ---       455     369     406       623     592     607       691     669     677
   3      ---     ---     ---       455     408     435       655     615     634       730     691     714
   4      ---     ---     ---       455     408     425       690     655     671       701     557     637
   5      412     381     392       510     447     482       694     683     689       562     529     541
 
   6      401     360     372       510     494     504       768     694     728       621     562     598
   7      386     355     377       510     445     471       744     679     713       642     621     634
   8      355     343     347       447     434     441       680     664     671       652     639     647
   9      418     354     377       438     408     421       680     657     668       670     649     658
  10      484     418     455       409     394     403       697     661     678       671     625     645
 
  11      502     484     493       417     397     407       718     688     702       634     604     620
  12      525     502     513       460     414     433       724     703     714       650     630     638
  13      533     510     521       509     460     486       720     698     709       660     643     651
  14      557     525     543       527     509     521       711     695     702       664     652     658
  15      580     557     565       511     440     469       695     650     672       666     659     662
 
  16      612     549     579       451     431     440       700     688     694       679     653     668
  17      659     604     625       508     451     476       710     692     697       663     646     653
  18      698     651     672       531     508     523       708     694     701       670     658     663
  19      722     698     712       521     476     490       713     703     709       736     670     701
  20      737     706     721       533     482     509       724     707     714       736     669     706
 
  21      745     698     725       570     533     550       729     717     723       673     660     667
  22      698     612     652       585     570     579       721     714     719       674     649     661
  23      612     573     590       595     581     585       726     713     720       670     651     661
  24      635     588     612       592     578     585       718     698     707       673     654     662
  25      612     580     594       638     590     616       720     699     710       685     669     677
 
  26      612     573     589       621     598     608       739     717     725       688     639     674
  27      674     612     649       636     600     616       759     739     749       639     560     613
  28      698     651     674       655     630     641       775     747     757       591     540     564
  29      ---     ---     ---       653     642     649       779     730     749       598     591     596
  30      ---     ---     ---       655     635     645       732     693     712       619     591     601
  31      ---     ---     ---       635     600     614       ---     ---     ---       624     592     616
 
 MONTH    745     343     556       655     369     516       779     584     698       736     529     647

                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      604     346     494       774     504     660       647     558     589       833     753     782
   2      372     341     353       642     537     586       661     610     637       813     767     787
   3      375     288     340       ---     ---     ---       711     653     676       818     787     801
   4      288     258     266       ---     ---     ---       729     632     691       809     762     793
   5      347     267     306       ---     ---     ---       763     698     723       832     786     798
 
   6      393     347     375       ---     ---     ---       731     618     663       834     780     789
   7      430     392     410       ---     ---     ---       641     593     606       814     778     798
   8      410     396     401       742     728     738       674     614     643       826     780     791
   9      419     408     414       772     723     748       739     664     699       846     779     822
  10      428     415     420       767     747     755       772     729     753       878     828     851
 
  11      430     410     420       773     749     761       767     751     761       880     835     854
  12      468     429     451       769     725     740       799     740     759       927     804     840
  13      503     468     483       773     733     754       793     755     774       885     804     827
  14      540     404     482       777     755     767       758     643     687       912     814     841
  15      472     409     447       779     761     773       643     541     589       821     780     807
 
  16      541     472     505       792     771     781       544     369     448       789     754     767
  17      635     392     546       788     742     766       510     400     479       788     766     779
  18      415     351     383       761     722     745       400     230     285       849     788     802
  19      415     274     328       742     715     730       430     328     367       851     803     819
  20      494     335     425       761     742     752       476     397     444       851     782     822
 
  21      540     493     517       779     755     770       461     387     428       816     799     806
  22      639     540     599       770     675     727       507     457     479       872     799     826
  23      663     628     643       695     673     682       536     505     517       863     801     831
  24      694     663     679       789     660     740       583     520     555       830     781     801
  25      730     693     710       660     525     567       638     574     603       792     763     776
 
  26      739     726     730       563     512     531       669     625     644       786     771     778
  27      762     739     747       626     556     590       723     665     683       820     777     806
  28      771     747     755       600     294     395       743     684     704       830     789     814
  29      778     758     773       360     292     326       725     701     710       839     789     814
  30      781     767     774       496     354     425       771     707     723       844     797     829
  31      ---     ---     ---       577     496     527       768     732     747       ---     ---     ---
 
 MONTH    781     258     506       792     292     667       799     230     615       927     753     808
 
 YEAR     927     230     619
 	
	                     	03098600 MAHONING RIVER BELOW WEST AVENUE AT YOUNGSTOWN, OHIO
	
        PH, WATER, WHOLE, FIELD, STANDARD UNITS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997             
 
 DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN
 
                OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY
 
   1      7.8     7.8     7.8       8.0     7.9     7.9       7.7     7.6     7.7       7.9     7.9     7.9
   2      7.8     7.8     7.8       8.0     7.9     7.9       7.7     7.6     7.7       7.9     7.9     7.9
   3      7.9     7.8     7.8       8.0     7.9     8.0       7.8     7.7     7.8       7.9     7.9     7.9
   4      8.0     7.8     7.9       8.1     8.0     8.0       7.9     7.8     7.9       7.9     7.9     7.9
   5      8.0     7.9     8.0       8.1     8.0     8.0       7.9     7.9     7.9       7.9     7.9     7.9
 
   6      8.0     7.9     8.0       8.0     7.9     8.0       7.9     7.9     7.9       7.9     7.9     7.9
   7      8.1     7.9     8.0       7.9     7.9     7.9       7.9     7.9     7.9       8.0     7.9     8.0
   8      8.1     7.9     8.0       7.9     7.8     7.8       7.9     7.9     7.9       8.0     8.0     8.0
   9      8.0     7.9     7.9       7.9     7.8     7.8       8.0     7.9     8.0       8.0     8.0     8.0
  10      8.0     7.8     7.9       7.9     7.8     7.8       8.0     8.0     8.0       8.0     8.0     8.0
 
  11      8.0     7.9     8.0       7.9     7.8     7.9       8.0     7.9     8.0       8.0     8.0     8.0
  12      8.0     7.9     8.0       8.1     7.9     8.0       8.0     7.9     7.9       8.0     8.0     8.0
  13      8.1     8.0     8.0       8.1     7.9     8.0       7.9     7.8     7.9       8.0     7.9     8.0
  14      8.1     8.0     8.1       8.1     8.0     8.0       8.0     7.9     7.9       8.0     7.9     8.0
  15      8.2     8.0     8.1       8.1     8.0     8.1       8.0     7.9     8.0       8.0     8.0     8.0
 
  16      8.1     8.0     8.1       8.2     8.0     8.1       7.9     7.8     7.8       8.0     8.0     8.0
  17      8.1     8.0     8.0       8.2     8.1     8.2       7.8     7.8     7.8       8.1     8.0     8.0
  18      8.0     7.8     7.9       8.1     8.0     8.1       7.8     7.7     7.7       8.0     8.0     8.0
  19      7.9     7.8     7.8       8.1     8.0     8.0       7.8     7.8     7.8       8.0     7.9     8.0
  20      7.9     7.7     7.8       8.2     8.0     8.1       7.9     7.8     7.8       8.0     8.0     8.0
 
  21      7.8     7.7     7.7       8.2     8.0     8.1       7.9     7.8     7.8       ---     ---     ---
  22      7.8     7.8     7.8       8.2     8.1     8.2       7.9     7.9     7.9       ---     ---     ---
  23      7.8     7.8     7.8       8.3     8.1     8.2       7.9     7.9     7.9       ---     ---     ---
  24      7.9     7.8     7.9       8.3     8.1     8.2       7.9     7.9     7.9       ---     ---     ---
  25      7.9     7.9     7.9       8.1     8.0     8.0       7.9     7.8     7.9       ---     ---     ---
 
  26      7.9     7.8     7.9       8.0     7.8     7.9       7.9     7.9     7.9       ---     ---     ---
  27      7.8     7.8     7.8       7.8     7.7     7.7       8.0     7.9     8.0       ---     ---     ---
  28      7.9     7.7     7.8       8.0     7.8     7.9       7.9     7.9     7.9       ---     ---     ---
  29      7.9     7.8     7.9       8.0     8.0     8.0       7.9     7.9     7.9       ---     ---     ---
  30      8.0     7.9     7.9       8.0     7.7     7.9       7.9     7.9     7.9       ---     ---     ---
  31      8.0     7.9     7.9       ---     ---     ---       7.9     7.9     7.9       ---     ---     ---
 
 MONTH    8.2     7.7     7.9       8.3     7.7     8.0       8.0     7.6     7.9       8.1     7.9     8.0

               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      ---     ---     ---       8.0     7.8     8.0       8.0     7.9     7.9       8.1     7.8     7.9
   2      ---     ---     ---       7.9     7.7     7.8       8.0     7.9     7.9       7.9     7.8     7.8
   3      ---     ---     ---       7.8     7.7     7.7       8.0     7.9     7.9       7.8     7.6     7.7
   4      ---     ---     ---       7.8     7.7     7.7       8.0     7.9     8.0       7.6     7.3     7.4
   5      7.8     7.8     7.8       7.8     7.7     7.8       8.0     7.9     7.9       7.3     7.3     7.3
 
   6      7.9     7.8     7.8       7.9     7.8     7.8       8.0     7.9     8.0       7.9     7.3     7.6
   7      7.9     7.9     7.9       7.9     7.8     7.9       8.2     7.9     8.0       8.0     7.9     7.9
   8      7.9     7.9     7.9       7.9     7.9     7.9       8.2     8.0     8.1       8.0     7.9     7.9
   9      7.9     7.9     7.9       7.9     7.9     7.9       8.3     8.0     8.1       7.9     7.8     7.9
  10      7.9     7.8     7.9       7.9     7.8     7.8       8.3     8.1     8.2       7.9     7.8     7.9
 
  11      7.9     7.8     7.9       7.9     7.8     7.8       8.4     8.1     8.2       8.0     7.8     7.9
  12      7.9     7.9     7.9       7.9     7.8     7.9       8.4     8.1     8.2       8.0     7.9     7.9
  13      8.0     7.9     7.9       7.9     7.8     7.9       8.3     8.0     8.1       8.1     7.9     8.0
  14      8.0     7.9     7.9       7.9     7.9     7.9       8.2     8.0     8.1       8.1     7.9     8.0
  15      8.0     7.9     7.9       7.9     7.8     7.8       8.4     7.9     8.1       8.1     7.9     8.0
 
  16      8.0     7.9     7.9       7.9     7.8     7.9       8.4     8.1     8.3       8.0     7.9     7.9
  17      8.0     7.9     8.0       7.9     7.9     7.9       8.4     8.0     8.3       ---     ---     ---
  18      8.0     7.9     8.0       7.9     7.9     7.9       8.6     8.1     8.3       ---     ---     ---
  19      8.0     7.9     8.0       7.9     7.8     7.9       8.6     8.3     8.4       ---     ---     ---
  20      8.0     7.9     8.0       7.9     7.8     7.8       8.6     8.3     8.5       ---     ---     ---
 
  21      8.1     8.0     8.0       7.9     7.8     7.9       8.6     8.3     8.5       8.3     8.1     8.2
  22      8.0     8.0     8.0       7.9     7.8     7.8       8.6     8.3     8.5       8.6     8.1     8.3
  23      8.1     8.0     8.0       7.8     7.8     7.8       8.6     8.4     8.5       8.6     8.2     8.4
  24      8.1     8.0     8.1       7.9     7.8     7.9       8.5     8.3     8.4       8.5     8.2     8.4
  25      8.1     8.0     8.0       7.9     7.9     7.9       8.5     8.3     8.4       8.4     8.1     8.2
 
  26      8.0     8.0     8.0       7.9     7.9     7.9       8.6     8.3     8.4       8.1     7.9     8.0
  27      8.0     8.0     8.0       7.9     7.9     7.9       8.5     8.1     8.3       8.0     7.8     7.9
  28      8.1     8.0     8.0       7.9     7.9     7.9       8.1     7.9     8.0       8.1     7.9     8.0
  29      ---     ---     ---       7.9     7.8     7.9       8.1     7.8     7.9       8.1     8.0     8.1
  30      ---     ---     ---       7.9     7.8     7.9       8.1     7.7     7.9       8.2     8.0     8.1
  31      ---     ---     ---       7.9     7.8     7.9       ---     ---     ---       8.1     8.0     8.1
 
 MONTH    8.1     7.8     7.9       8.0     7.7     7.9       8.6     7.7     8.2       8.6     7.3     8.0
 
                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      8.1     7.8     7.9       8.0     7.6     7.7       ---     ---     ---       8.3     8.1     8.2
   2      7.8     7.7     7.8       7.7     7.5     7.5       ---     ---     ---       8.3     8.0     8.1
   3      7.8     7.7     7.7       ---     ---     ---       ---     ---     ---       8.2     7.9     8.0
   4      7.8     7.7     7.8       ---     ---     ---       ---     ---     ---       8.0     7.7     7.8
   5      7.8     7.7     7.8       ---     ---     ---       ---     ---     ---       7.7     7.5     7.6
 
   6      7.8     7.7     7.8       ---     ---     ---       7.9     7.6     7.8       7.6     7.5     7.5
   7      7.9     7.8     7.9       ---     ---     ---       7.6     7.3     7.4       7.7     7.6     7.6
   8      7.9     7.8     7.8       ---     ---     ---       7.7     7.2     7.4       7.8     7.6     7.7
   9      8.0     7.9     7.9       8.1     7.9     8.0       7.8     7.5     7.7       8.2     7.8     8.0
  10      8.1     8.0     8.1       8.1     7.8     8.0       7.7     7.4     7.6       8.1     8.0     8.1
 
  11      8.1     8.0     8.0       8.2     7.9     8.0       7.6     7.4     7.5       8.1     8.0     8.0
  12      8.1     8.0     8.0       8.3     7.9     8.1       ---     ---     ---       8.1     7.9     8.0
  13      8.0     7.9     8.0       8.3     8.0     8.1       ---     ---     ---       8.0     7.9     8.0
  14      8.0     7.8     7.9       8.5     8.1     8.2       ---     ---     ---       8.0     7.9     8.0
  15      7.9     7.8     7.9       8.4     8.1     8.3       ---     ---     ---       8.1     8.0     8.0
 
  16      7.9     7.8     7.9       8.4     8.0     8.2       ---     ---     ---       8.1     7.9     8.0
  17      7.9     7.7     7.8       8.3     8.0     8.2       ---     ---     ---       8.1     7.8     8.0
  18      7.8     7.7     7.7       ---     ---     ---       ---     ---     ---       7.9     7.7     7.8
  19      7.8     7.7     7.7       ---     ---     ---       ---     ---     ---       8.1     7.9     8.0
  20      7.9     7.7     7.8       ---     ---     ---       ---     ---     ---       8.0     7.8     7.9
 
  21      7.9     7.8     7.8       ---     ---     ---       ---     ---     ---       7.9     7.8     7.8
  22      7.9     7.8     7.8       ---     ---     ---       ---     ---     ---       8.1     7.8     8.0
  23      8.0     7.8     7.9       8.3     8.1     8.2       ---     ---     ---       8.1     8.0     8.0
  24      8.1     7.8     7.9       8.2     7.5     7.8       ---     ---     ---       8.1     8.0     8.0
  25      8.3     7.8     8.0       7.5     7.3     7.4       ---     ---     ---       8.1     8.0     8.0
 
  26      8.2     7.9     8.1       7.6     7.4     7.5       ---     ---     ---       8.1     8.0     8.1
  27      8.3     7.9     8.1       7.8     7.5     7.6       ---     ---     ---       8.1     8.0     8.1
  28      8.3     7.8     8.0       7.7     7.5     7.6       8.1     7.9     8.0       8.1     8.0     8.1
  29      8.3     7.9     8.1       7.7     7.6     7.6       8.2     8.0     8.1       8.1     8.0     8.0
  30      8.1     7.8     8.0       ---     ---     ---       8.2     8.0     8.1       8.1     8.0     8.0
  31      ---     ---     ---       8.1     7.5     7.8       8.3     8.0     8.2       ---     ---     ---
 
 MONTH    8.3     7.7     7.9       8.5     7.3     7.9       8.3     7.2     7.8       8.3     7.5     7.9
 
 YEAR     8.6     7.2     7.9
 
			03231500 SCIOTO RIVER AT CHILLICOTHE, OHIO

	WATER TEMPERATURE, DEGREES CELSIUS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997               
 
 DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN
 
                OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY
 
   1     18.5    17.0    17.5      13.5    11.5    12.5       9.5     7.0     8.5       6.0     6.0     6.0
   2     20.0    18.5    19.0      11.5    10.0    10.5       8.0     6.5     7.0       7.5     6.0     6.5
   3     19.5    18.0    18.5      10.0     9.0     9.5       6.5     5.5     6.0       8.5     7.5     8.0
   4     18.0    16.0    17.0       9.5     8.0     9.0       6.0     5.0     5.5      10.5     8.5     9.0
   5     16.5    15.0    16.0      10.0     9.5     9.5       5.5     5.0     5.0      10.5    10.0    10.5
 
   6     16.5    15.0    16.0      11.0    10.0    10.5       5.0     5.0     5.0      10.0     7.0     8.5
   7     17.0    15.5    16.0      13.0    11.0    12.0       6.0     5.0     5.5       7.0     5.0     6.0
   8     17.0    15.5    16.5      13.0    12.5    12.5       5.5     4.5     5.0       5.0     4.0     4.5
   9     17.0    15.5    16.5      12.5    10.0    11.5       4.5     4.0     4.5       4.0     3.5     3.5
  10     15.5    14.5    14.5      10.0     8.5     9.0       6.0     4.0     4.5       3.5     2.0     3.0
 
  11     15.0    14.0    14.5       8.5     7.0     7.5       8.0     6.0     7.0       2.0      .5     1.0
  12     15.0    13.5    14.0       7.0     6.0     6.5       9.0     7.5     8.0        .5      .0      .0
  13     15.5    14.0    15.0       6.0     5.5     6.0       8.0     6.5     7.5        .0      .0      .0
  14     17.0    15.0    16.0       6.0     5.5     6.0       6.5     5.5     6.0        .5      .0      .5
  15     17.0    15.5    16.5       6.0     5.0     5.5       6.0     5.0     5.5       1.0      .5      .5
 
  16     17.5    16.0    16.5       6.0     5.0     5.5       6.5     6.0     6.5       1.0      .5     1.0
  17     18.0    16.0    17.0       7.0     5.5     6.0       6.5     6.5     6.5        .5      .0      .0
  18     17.5    15.5    17.0       7.5     7.0     7.5       6.5     5.0     6.0        .5      .0      .5
  19     15.5    13.5    14.5       8.0     7.0     7.5       5.0     3.0     4.0        .5      .5      .5
  20     13.5    13.0    13.5       7.5     7.0     7.5       3.0     2.0     2.5       1.0      .5      .5
 
  21     14.5    13.5    14.0       7.5     6.0     6.5       2.0     1.0     1.5       ---     ---     ---
  22     15.0    14.5    14.5       6.0     5.5     6.0       2.5     1.5     2.0       ---     ---     ---
  23     15.0    14.0    14.5       6.5     5.5     6.0       4.0     2.5     3.0       ---     ---     ---
  24     14.5    13.5    14.0       7.0     6.5     6.5       4.5     4.0     4.5       ---     ---     ---
  25     14.0    13.0    13.5       7.5     7.0     7.5       4.5     2.5     3.5       ---     ---     ---
 
  26     14.0    13.5    13.5       8.0     7.0     7.0       2.5     1.5     2.0       ---     ---     ---
  27     15.5    14.0    15.0       8.0     5.0     6.0       3.0     1.5     2.5       ---     ---     ---
  28     16.5    15.5    16.0       5.0     4.0     4.5       5.5     3.0     4.0       ---     ---     ---
  29     16.0    15.0    15.5       4.5     3.5     4.0       6.5     5.5     6.0       ---     ---     ---
  30     16.0    15.0    16.0       7.0     4.5     5.5       6.5     6.0     6.0       ---     ---     ---
  31     15.0    13.5    14.0       ---     ---     ---       6.5     6.0     6.0       ---     ---     ---
 
 MONTH   20.0    13.0    15.5      13.5     3.5     7.5       9.5     1.0     5.0      10.5     0.0     3.5
 
               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      ---     ---     ---       9.5     8.0     9.0      11.0     9.0    10.0      17.5    15.0    16.5
   2      ---     ---     ---      11.0     9.5    10.5      12.0     9.5    10.5      15.5    14.0    15.0
   3      ---     ---     ---      10.0     8.0     9.0      13.0    10.5    11.5      16.0    15.0    15.5
   4      ---     ---     ---       8.0     7.5     7.5      14.5    12.0    13.5      15.0    14.5    14.5
   5      4.5     4.0     4.5       9.0     8.0     8.5      15.0    14.0    14.5      15.0    13.5    14.0
 
   6      4.0     2.5     3.0       8.0     7.5     8.0      16.5    14.5    15.5      16.0    14.0    15.0
   7      2.5     2.0     2.5       7.5     6.5     7.0      16.0    14.0    14.5      16.5    14.0    15.5
   8      2.5     2.5     2.5       7.5     6.5     7.0      14.5    12.5    13.5      16.0    15.0    15.5
   9      3.0     2.5     2.5       7.5     6.5     7.0      13.0    10.5    11.5      15.0    14.0    15.0
  10      3.5     3.0     3.0       7.5     6.5     7.0      12.0    10.0    11.0      14.0    13.0    13.5
 
  11      3.5     3.0     3.5       7.5     7.0     7.0      13.5    11.0    12.0      15.0    12.5    13.5
  12      3.5     3.5     3.5       7.5     6.5     7.0      13.5    12.5    13.0      15.0    14.0    14.5
  13      3.5     3.0     3.0       7.5     7.0     7.0      13.5    11.5    12.5      16.0    14.5    15.0
  14      3.5     3.0     3.0       7.5     7.0     7.5      13.0    10.5    11.5      16.5    15.0    15.5
  15      4.5     3.5     3.5       7.5     6.0     6.5      13.5    11.0    12.0      16.0    14.5    15.0
 
  16      3.5     3.0     3.5       6.0     5.0     5.5      13.0    12.0    12.5      15.5    13.5    14.5
  17      3.5     2.5     3.0       6.0     5.5     5.5      13.0    11.0    11.5      17.0    14.5    15.5
  18      5.5     3.5     4.5       6.5     6.0     6.5      12.5    10.0    11.0      19.5    16.5    18.0
  19      7.0     5.5     6.0       7.5     6.0     7.0      13.5    11.5    12.5      21.5    19.0    20.0
  20      7.5     6.0     6.5       8.0     7.0     7.5      14.5    12.0    13.5      21.0    19.5    20.0
 
  21      8.0     7.0     7.5       9.5     7.5     8.5      14.5    13.5    14.0      20.5    18.5    19.5
  22      8.0     6.5     7.5       9.5     9.0     9.5      15.0    13.5    14.0      20.0    17.5    19.0
  23      6.5     5.5     6.0       9.0     8.0     8.5      14.5    13.5    14.0      19.5    17.5    18.5
  24      5.5     4.5     5.5       9.0     7.5     8.0      14.5    13.5    14.0      20.5    17.5    19.0
  25      5.5     4.0     4.5      10.0     8.5     9.0      15.0    13.0    14.0      20.0    19.5    20.0
 
  26      5.5     4.0     4.5      10.5     9.5    10.0      16.0    13.5    14.5      19.5    18.5    19.0
  27      8.5     5.5     7.5      11.5     9.0    10.5      16.0    14.5    15.0      19.5    17.5    18.5
  28      9.5     7.5     8.5      12.5    10.5    11.5      15.5    14.5    15.0      19.0    18.0    18.5
  29      ---     ---     ---      12.5    12.0    12.5      17.0    14.0    15.5      18.5    18.0    18.0
  30      ---     ---     ---      12.0    11.5    12.0      18.0    15.0    16.5      19.0    17.5    18.0
  31      ---     ---     ---      11.5    10.0    10.5       ---     ---     ---      18.5    18.0    18.5
 
 MONTH    9.5     2.0     4.5      12.5     5.0     8.5      18.0     9.0    13.0      21.5    12.5    16.5

                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1     18.0    17.5    17.5      25.0    24.0    24.5      26.0    23.5    24.5      24.0    22.0    23.0
   2     18.0    17.5    17.5      25.5    24.0    24.5      25.0    24.0    24.5      25.0    23.0    24.0
   3     18.0    17.5    18.0       ---     ---     ---      26.5    23.5    25.0      24.5    22.5    23.5
   4     18.0    17.0    17.5       ---     ---     ---      26.5    24.5    25.5      22.5    20.5    21.5
   5     19.0    17.5    18.0       ---     ---     ---      26.0    24.5    25.5      22.0    20.0    21.0
 
   6     18.5    18.0    18.5       ---     ---     ---      25.0    22.5    24.0      21.5    20.5    21.0
   7     18.5    17.5    18.0       ---     ---     ---      24.5    22.0    23.0      22.5    20.0    21.0
   8     17.5    17.0    17.5       ---     ---     ---      24.5    22.0    23.5      23.0    21.5    22.0
   9     18.5    17.0    17.5      25.0    23.5    24.5      24.5    23.0    24.0      22.5    21.5    22.0
  10     19.5    18.0    18.5      24.0    22.0    23.0      25.0    23.5    24.0      22.0    21.5    21.5
 
  11     19.5    19.0    19.0      24.5    22.0    23.5      25.0    24.0    24.5      22.0    21.0    21.5
  12     20.0    19.0    19.5      25.5    23.0    24.0      26.0    24.5    25.0      22.0    20.5    21.0
  13     20.5    19.5    20.0      26.5    24.0    25.0      25.5    25.0    25.0      22.0    20.0    21.0
  14     21.0    20.0    20.5      27.5    25.0    26.0      26.0    24.0    24.5      22.0    20.5    21.0
  15     21.0    19.5    20.5      28.0    26.0    27.0      25.5    24.0    25.0      23.0    21.5    22.0
 
  16     21.0    20.0    20.5      28.5    26.0    27.0      25.5    24.0    25.0      23.0    21.5    22.0
  17     21.0    20.0    20.5      29.0    26.5    27.5      25.5    23.5    24.5      22.5    22.0    22.0
  18     21.0    20.0    20.5      29.0    27.0    28.0      23.5    22.5    23.0      23.0    20.5    21.5
  19     21.5    20.0    20.5      28.5    27.0    27.5      23.0    22.5    23.0      22.5    20.5    21.5
  20     23.0    21.0    21.5      28.0    25.5    27.0      23.0    22.0    22.5      22.5    21.5    22.0
 
  21     24.0    22.0    23.0      28.0    25.5    27.0      22.0    21.5    21.5      21.5    20.0    20.5
  22     24.5    23.0    23.5      27.0    26.0    26.5      21.5    21.0    21.0      20.5    19.0    20.0
  23     25.5    23.0    24.0      26.5    25.5    26.0      21.5    20.0    20.5      20.0    18.5    19.0
  24     26.0    23.5    25.0      26.0    25.0    25.5      21.0    20.0    20.5      19.0    17.5    18.0
  25     27.0    24.5    26.0      26.5    24.5    25.5      21.5    20.0    20.5      19.0    17.0    18.0
 
  26     26.5    25.5    25.5      27.0    25.0    26.0      22.5    20.5    21.5      19.0    17.5    18.5
  27     26.0    24.0    25.0      28.5    25.5    27.0      23.0    21.5    22.5      19.5    17.5    18.5
  28     26.0    24.0    25.0      27.5    25.0    25.5      24.0    22.5    23.0      19.5    18.0    18.5
  29     25.5    24.0    25.0      26.5    25.0    25.5      23.5    22.5    23.0      19.5    18.0    18.5
  30     25.0    24.0    24.5      26.0    24.0    25.0      23.0    21.5    22.0      19.0    18.0    18.5
  31      ---     ---     ---      25.5    23.5    24.5      23.0    21.0    22.0       ---     ---     ---
 
 MONTH   27.0    17.0    21.0      29.0    22.0    25.5      26.5    20.0    23.5      25.0    17.0    21.0
 
 YEAR    29.0     0.0    14.0
   
	                     	03098600 MAHONING RIVER BELOW WEST AVENUE AT YOUNGSTOWN, OHIO	                     	03098600 MAHONING RIVER BELOW WEST AVENUE AT YOUNGSTOWN, OHIO
		OXYGEN DISSOLVED (MG/L), WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997                     
 
 DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN
 
                OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY
 
   1      7.5     7.2     7.3       8.9     8.1     8.6       ---     ---     ---      11.1    11.0    11.1
   2      7.4     7.0     7.2       9.8     8.5     9.2      10.5     9.7    10.0      11.0    10.8    10.9
   3      7.8     7.0     7.3      10.4     9.4     9.9      11.4    10.5    11.1      10.8    10.3    10.5
   4      8.5     7.5     7.9      11.1    10.0    10.6      11.5    11.4    11.5      10.3     9.6    10.0
   5      9.0     8.0     8.5      10.9    10.1    10.5      11.6    11.5    11.5       9.6     9.4     9.5
 
   6      9.2     8.1     8.6      10.3     9.5     9.9      11.5    11.3    11.4      10.0     9.5     9.8
   7      9.6     8.3     8.8       9.6     9.0     9.3      11.3    11.0    11.1      11.0    10.0    10.5
   8      9.4     8.1     8.8       9.2     8.2     8.6      11.1    11.0    11.0      11.4    11.0    11.3
   9      8.8     7.8     8.1       9.1     8.2     8.7      11.3    11.1    11.2      11.5    11.4    11.4
  10      9.2     7.7     8.5       9.5     8.7     9.1      11.3    11.0    11.2      11.4    11.3    11.4
 
  11      9.7     8.3     9.0      10.5     9.0     9.7      11.0    10.5    10.7      11.8    11.4    11.6
  12      9.8     8.7     9.3      11.6    10.3    11.0      10.9    10.2    10.5      12.0    10.9    11.8
  13     10.6     9.2     9.9      11.6    10.9    11.3      11.2    10.7    10.8      12.1    11.9    12.0
  14     10.7     9.0     9.9      11.7    10.9    11.4      11.7    11.2    11.5      12.3    12.0    12.1
  15     10.9     9.2     9.9      12.2    11.0    11.7      11.8    11.4    11.6      12.1    11.6    12.0
 
  16     10.4     9.1     9.7      12.9    11.3    12.2      11.4    11.2    11.3      11.7    11.4    11.5
  17      9.9     8.9     9.5      12.9    11.6    12.1      11.2    10.8    11.0      12.0    11.7    11.9
  18      9.6     7.3     8.2      11.7    10.8    11.1      10.9    10.6    10.7      12.7    12.0    12.2
  19      8.6     7.2     7.8      11.1    10.2    10.8      11.6    10.9    11.3      12.3    12.2    12.2
  20      8.0     7.6     7.8      12.1    10.3    11.2      12.1    11.6    11.9      12.2    11.7    12.0
 
  21      8.6     7.4     8.0      12.2    10.8    11.6      12.6    12.1    12.3       ---     ---     ---
  22      8.6     7.7     8.1      12.3    11.2    11.9      12.5    12.2    12.3       ---     ---     ---
  23      8.1     7.5     7.9      13.1    11.3    12.3      12.2    11.8    12.0       ---     ---     ---
  24      8.5     7.5     8.0      13.0    11.2    11.8      11.8    11.5    11.6       ---     ---     ---
  25      8.5     7.7     8.2      11.3    10.3    10.7      12.1    11.1    11.6       ---     ---     ---
 
  26      8.3     7.7     7.9      10.6     8.6    10.0      12.7    12.1    12.5       ---     ---     ---
  27      8.0     7.3     7.6       ---     ---     ---      12.7    12.3    12.5       ---     ---     ---
  28      8.3     6.9     7.7       ---     ---     ---      12.3    11.7    12.1       ---     ---     ---
  29      8.3     7.6     8.0       ---     ---     ---      11.7    11.0    11.3       ---     ---     ---
  30      8.9     7.7     8.4       ---     ---     ---      11.0    10.9    11.0       ---     ---     ---
  31      8.9     7.9     8.5       ---     ---     ---      11.1    11.0    11.0       ---     ---     ---
 
 MONTH   10.9     6.9     8.4      13.1     8.1    10.6      12.7     9.7    11.4      12.7     9.4    11.3

               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      ---     ---     ---      10.8    10.3    10.6      10.4     9.9    10.1      10.4     7.5     8.8
   2      ---     ---     ---      10.4     9.5     9.8      10.6    10.1    10.3      10.2     7.4     8.9
   3      ---     ---     ---      10.1     9.5     9.8      10.4     9.8    10.1       9.0     6.9     7.9
   4      ---     ---     ---      10.5    10.0    10.3      10.4     9.5     9.9       7.6     6.2     6.5
   5     11.2    10.7    10.8      10.4    10.0    10.2       9.8     9.0     9.4       6.8     6.4     6.6
 
   6     12.1    11.2    11.7      10.6    10.1    10.4       9.9     8.6     9.3       8.7     6.8     7.6
   7     12.2    12.1    12.2      11.3    10.5    11.0      11.6     8.7    10.0       9.6     8.5     9.0
   8     12.2    12.0    12.1      11.4    11.2    11.3      12.1     9.5    10.8       9.0     8.3     8.6
   9     12.0    11.8    11.9      11.3    11.2    11.2      13.2    10.0    11.5       8.7     8.0     8.4
  10     11.8    11.7    11.8      11.2    10.9    11.2      14.0    10.7    12.4       9.0     8.2     8.5
 
  11     11.8    11.5    11.6      11.0    10.9    11.0      14.8    10.9    12.8      10.1     8.6     9.3
  12     11.5    11.4    11.5      11.1    11.0    11.0      13.8    10.2    11.8      10.0     8.6     9.2
  13     11.5    11.4    11.5      11.0    10.9    11.0      12.1     9.8    11.0      10.3     8.5     9.4
  14     11.6    11.5    11.5      10.9    10.6    10.7      12.9     9.8    11.3      10.5     8.4     9.4
  15     11.5    11.3    11.4      11.0    10.5    10.6      15.0     9.9    12.3      10.4     8.4     9.4
 
  16     11.5    11.3    11.4      11.5    11.0    11.4      14.6    10.8    12.7      11.0     8.4     9.5
  17     11.7    11.4    11.6      11.5    11.3    11.4      13.9    10.4    12.3      11.3     8.3     9.6
  18     11.5    11.1    11.4      11.3    11.0    11.1      16.3    10.7    13.3      11.6     8.6    10.0
  19     11.1    10.7    10.9      11.1    10.9    11.1      17.0    11.7    14.4      11.2     8.0     9.6
  20     10.7    10.6    10.7      10.9    10.7    10.7      17.8    11.8    14.8      10.4     7.6     8.8
 
  21     10.7    10.6    10.7      10.7    10.2    10.5      16.2    11.5    14.1      11.1     7.7     9.1
  22     10.9    10.6    10.7      10.2     9.9    10.0      16.8    11.2    14.1      10.1     7.6     8.8
  23     11.3    10.9    11.1      10.3     9.9    10.1      16.2    11.8    14.2       9.9     7.6     8.6
  24     11.7    11.3    11.5      10.5    10.2    10.4      14.8    10.9    13.1      10.1     7.7     8.9
  25     11.8    11.5    11.7      10.4    10.0    10.2      15.6    10.7    13.3       9.1     7.3     7.9
 
  26     11.5    11.0    11.3      10.0     9.9     9.9      17.4    11.0    14.0       7.3     6.4     6.9
  27     11.1    10.5    10.8      10.0     9.7     9.9      15.2    10.4    11.9       6.8     6.2     6.5
  28     10.6    10.4    10.4       9.7     9.3     9.6      11.7     8.1    10.0       7.4     6.4     7.0
  29      ---     ---     ---       9.3     9.1     9.2      11.4     7.7     9.5       7.3     7.1     7.2
  30      ---     ---     ---       9.3     9.1     9.2      11.9     7.6     9.6       8.3     7.0     7.6
  31      ---     ---     ---       9.9     9.1     9.5       ---     ---     ---       7.9     7.4     7.6
 
 MONTH   12.2    10.4    11.3      11.5     9.1    10.5      17.8     7.6    11.8      11.6     6.2     8.4
 
                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      7.7     7.0     7.3       8.8     6.1     6.7      11.8     7.5     9.2      12.5     8.0    10.0
   2      7.1     6.9     7.0       6.4     5.4     5.7      10.4     7.9     9.0      13.2     8.2    10.4
   3      7.1     6.9     7.0       ---     ---     ---      11.9     7.2     9.1      12.3     8.0    10.1
   4      7.4     7.1     7.3       ---     ---     ---      12.0     7.2     9.3      13.2     8.2    10.2
   5      7.4     7.3     7.4       ---     ---     ---      10.2     6.3     7.5      12.6     8.2    10.1
 
   6      7.8     7.3     7.5       ---     ---     ---       8.2     5.7     6.8      11.1     8.4     9.6
   7      8.1     7.8     8.0       ---     ---     ---      10.8     6.7     8.3      11.2     7.9     9.3
   8      8.3     8.1     8.2       ---     ---     ---      14.4     8.2    10.6      10.7     7.8     9.1
   9      8.3     7.6     8.1       9.6     7.3     8.4      15.5     9.5    12.2       9.4     7.8     8.5
  10      7.9     7.8     7.9      10.4     7.3     8.7      13.3     8.7    11.0       9.1     6.8     7.9
 
  11      7.8     7.7     7.8      11.6     7.6     9.4      12.4     8.2    10.0       9.0     7.0     8.0
  12      7.7     7.4     7.6      12.5     7.9    10.0      11.6     7.1     9.3       8.8     7.0     7.8
  13      7.4     7.4     7.4      12.8     8.0    10.3       9.7     6.6     7.8       8.8     7.1     7.9
  14      7.4     6.2     6.9      15.6     8.2    11.4       6.9     5.9     6.2       8.9     7.4     8.1
  15      7.0     6.3     6.8      15.1     8.3    11.3       6.8     5.7     6.1       9.2     7.6     8.4
 
  16      7.2     6.9     7.0      15.4     7.7    11.0       6.5     5.9     6.0       9.7     7.5     8.4
  17      7.2     5.9     6.8      17.5     7.9    12.1       6.2     5.6     5.9       9.4     7.8     8.5
  18      6.7     5.8     6.2      17.5     9.1    13.0       6.2     5.5     5.9      10.1     7.3     8.4
  19      6.7     6.0     6.3      17.9     9.4    13.3       6.3     5.9     6.1       9.8     7.7     8.6
  20      6.6     6.1     6.4      17.8     8.4    12.6       6.7     6.0     6.3       8.4     7.0     7.5
 
  21      6.8     6.6     6.7      18.1     8.9    13.0       6.7     6.5     6.7       8.9     7.0     7.8
  22      7.4     6.5     6.8      15.7     8.9    12.4       6.9     6.5     6.8       9.0     7.4     8.1
  23      8.8     6.9     7.6      15.2     9.2    12.1       7.1     6.9     7.0       8.6     7.7     8.1
  24     10.3     6.8     8.2      12.0     6.4     8.4       7.4     7.1     7.2       8.9     7.8     8.3
  25     13.6     7.3     9.8       7.4     5.5     6.3       7.7     7.1     7.4       9.3     8.2     8.7
 
  26     13.1     8.1    10.3      10.3     5.9     7.7       8.3     7.2     7.6       9.9     8.5     9.0
  27     13.8     7.8    10.3      11.3     6.0     8.5       8.6     7.1     7.7      10.2     8.6     9.3
  28     13.4     7.6    10.1       6.0     4.6     5.0       9.3     7.1     8.0      10.4     8.6     9.4
  29     13.0     7.9    10.2       5.7     5.2     5.4       9.7     7.3     8.4      10.0     8.6     9.2
  30     10.3     7.0     8.7       7.5     5.6     6.3      10.1     7.4     8.7       9.8     8.6     9.1
  31      ---     ---     ---      10.1     6.6     7.9      11.4     7.8     9.4       ---     ---     ---
 
 MONTH   13.8     5.8     7.8      18.1     4.6     9.5      15.5     5.5     8.0      13.2     6.8     8.8
 
 YEAR    18.1     4.6     9.7


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