USGS
Water Resources Data - Ohio, Water Year 97, Vol. 1 | Beaver River Basin
Water-Discharge | Water-Quality | pH | Water Temperature | Oxygen Dissolved


		03098600 MAHONING RIVER BELOW WEST AVENUE AT YOUNGSTOWN, OHIO

LOCATION.--Lat 41006'18", long 80039'46", Mahoning County, Hydrologic Unit 05030103, on left bank 200 ft below West 
Avenue Bridge, 0.4 mi upstream from Spring Common Bridge, 0.6 mi downstream from Mill Creek, in Youngstown.
DRAINAGE AREA.--978 mi2.
PERIOD OF RECORD.--October 1987 to current year.
GAGE.--Water-stage recorder. Datum of gage is 824.10 ft above sea level.
REMARKS.--Records excellent except for periods of estimated record and May 14-July 3, which are fair. Water diverted 
upstream from station for municipal supply for city of Youngstown. Some sewage returned to river upstream from 
station. Water also diverted upstream and downstream from station by a private company for industrial use, some 
of which is returned to river upstream from station. Flow regulated by Berlin Lake, 49 mi upstream, beginning in 
1942, by Milton Reservoir, 41 mi upstream, by Michael J. Kirwan Reservoir, 44 mi upstream on West Branch, beginning 
in 1966 by Mosquito Creek Lake, 23 mi upstream, beginning in 1943, by Meander Creek Reservoir, 12 mi upstream, 
beginning in 1929, and by reservoir on Squaw Creek, 6 mi upstream, and 2 small reservoirs on Mill Creek 0.6 mi 
upstream. U.S. Army Corps of Engineers satellite telemeter at station.

                   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      1140     1720     3610     1930     1410     2710      720      638     3530      544      500      481
   2      1150     1110     4460     1910     1390     2620      606      495     7300      634      508      468
   3      1150      844     3290     1420     1420     3120      524      727     6990      545      510      458
   4       955      796     2410     1100     1790     2010      472     1160     3790      528      516      441
   5       774      771     2180     1320     3640     2290      450     1000     2800      544      515      432
 
   6       725      756     2150     1570     3620     5800      455      842     2820      540      504      426
   7       720      741     2120     1430     2620     4220      449      835     2840      539      501      423
   8       684     2400     1990     1220     2280     2640      382      741     2820      534      503      430
   9       771     3570     1860     1030     2100     2190      348      764     2770      621      500      452
  10       743     3440     1750      934     1940     4870      318      778     2550      541      503      670
 
  11       408     2890     2740      703     1770     4320      312      777     2150      534      508      804
  12       340     2590     7800      506     1300     2960     1790      775     2090      526      516      634
  13       293     2470     7950      502      935     2550     5060      673     2040      519      574      470
  14      e275     2290     3970      453      802     4280     3210      556     1530      516      520      403
  15      e265     2110     2570      390      695     4660     1370      554     1320      518      543      376
 
  16      e260     1990     2270      476      645     3190      967      600     1260      513      818      358
  17      e270     1950     3440      414      624     2060     1510      593     1640      509     1200      372
  18       566     2100     4580      415      694     2110     1700      559     2080      525      936      391
  19      1550     2220     4030      374     1640     2160     1160     1040     2480      534      613      357
  20      2540     1820     3240      369     3140     2280      852     1460     2090      529      460     1610
 
  21      2060     1570     2990      360     2800     1950      686     1230     1850      521      432     1030
  22      1640     1290     2860      448     2340     1420      587      934     1420      508      452      615
  23      1680      970     2650      682     2070     1180      595      802     1150      508      487      450
  24      1960      858     3600      850     1850     1020      692      695      741      509      492      391
  25      1910     1020     4050     1260     1310      838      649     1530      458      512      579      373
 
  26      1690     3590     2910     1170      846     1190      566     3680      619      489      515      388
  27      1570     3930     2480      986     2790     1210      506     2270      580      501      446      358
  28      1580     2730     2280     2020     4180      831      780     1370      499      504      416      358
  29      1420     2210     2240     2060      ---      680      915     1690      483      506      399      448
  30      1700     2080     2180     1750      ---      615      738     1750      493      501      406      410
  31      1940      ---     2040     1500      ---      709      ---     1800      ---      504      458      ---
 
 TOTAL   34729    58826    98690    31552    52641    74683    29369    33318    65183    16356    16830    15277
 MEAN     1120     1961     3184     1018     1880     2409      979     1075     2173      528      543      509
 MAX      2540     3930     7950     2060     4180     5800     5060     3680     7300      634     1200     1610
 MIN       260      741     1750      360      624      615      312      495      458      489      399      357
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1988 - 1997, BY WATER YEAR (WY)                                 
 
 MEAN      747      981     1216     1467     1464     1564     1240     1116     1246      790      642      727
 MAX      2303     2117     3184     3608     3323     3456     3502     3639     3693     1932     1316     1881
 (WY)     1991     1993     1997     1993     1990     1993     1994     1996     1989     1990     1992     1990
 MIN       264      222      312      302      432      596      684      437      377      430      419      346
 (WY)     1992     1992     1992     1992     1992     1990     1995     1992     1988     1988     1991     1991
 
 SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1988 - 1997
 
 ANNUAL TOTAL                      635241                     527454                                             
 ANNUAL MEAN                         1736                       1445                       1098                  
 HIGHEST ANNUAL MEAN                                                                       1445              1997
 LOWEST ANNUAL MEAN                                                                         643              1988
 HIGHEST DAILY MEAN                 11100     May 12            7950     Dec 13           11400       Apr 13 1994
 LOWEST DAILY MEAN                    260     Oct 16             260     Oct 16             181       Oct 17 1988
 ANNUAL SEVEN-DAY MINIMUM             302     Oct 11             302     Oct 11             202       Nov 24 1991
 INSTANTANEOUS PEAK FLOW                                        9060     Dec 13           11900       Apr 13 1994
 INSTANTANEOUS PEAK STAGE                                         11.84  Dec 13              15.44    Apr 13 1994
 INSTANTANEOUS LOW FLOW                                          260     Oct 16             181       Oct 17 1988
 10 PERCENT EXCEEDS                  3580                       2970                       2550                  
 50 PERCENT EXCEEDS                  1230                        935                        593                  
 90 PERCENT EXCEEDS                   470                        432                        354                  

 e Estimated
		03098600 MAHONING RIVER BELOW WEST AVENUE AT YOUNGSTOWN, OHIO

				WATER-QUALITY RECORDS

LOCATION.--Lat 41006'18", long 80039'46", Mahoning County, Hydrologic Unit 05030103, on left bank 200 ft below West 
Avenue Bridge, 0.4 mi upstream from Spring Common Bridge, 0.6 mi downstream from Mill Creek, in Youngstown.
DRAINAGE AREA.--978 mi2.
PERIOD OF RECORD.--June 1992 to current year.
PERIOD OF DAILY RECORD--
   SPECIFIC CONDUCTANCE: July 1992 to current year.
   pH: July 1992 to current year.
   WATER TEMPERATURES: June 1992 to current year.
   DISSOLVED OXYGEN: July 1992 to current year.
INSTRUMENTATION: Data Collection Platform. Set for 1-hour interval.
REMARKS.--Interruptions in the water-quality were due to malfunction of the instrument.
EXTREMES FOR PERIOD OF RECORD.--
   SPECIFIC CONDUCTANCE: Maximum, 950 microsiemens Jan. 17, 1996; minimum, 189 microsiemens Aug. 1, 1992.
   pH: Maximum, 8.8 units May 14, 23, 31, 1994; minimum, 7.0 units Apr. 15, 1994.
   WATER TEMPERATURES: Maximum, 32.5C Jul. 10, 1993 and Jul. 15, 1995; minimum, 1.0C on several days during winter.
   DISSOLVED OXYGEN: Maximum, 14.5 mg/L Apr. 18, 1996; minimum, 4.3 mg/L June 13, 1997.
EXTREMES FOR CURRENT YEAR.--
   SPECIFIC CONDUCTANCE: Maximum, 711 microsiemens Jan. 23; minimum, 231 microsiemens Dec. 13.
   pH: Maximum, 8.1 units Dec. 11; minimum, 7.2 units several days in April-July.
   WATER TEMPERATURES: Maximum, 31.0C Jul. 15-16, 18-19; minimum, 1.0C Jan. 29.
   DISSOLVED OXYGEN: Maximum, 13.5 mg/L Dec. 21; minimum, 4.3 mg/L June 13. 

                    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      380     315     355       391     378     384       383     355     369       365     344     356
   2      403     380     391       416     385     399       356     308     333       367     357     360
   3      397     382     387       421     414     416       330     300     307       455     367     402
   4      411     385     391       424     411     416       352     329     340       572     408     485
   5      442     411     427       426     416     423       366     352     356       ---     ---     ---
 
   6      575     434     461       433     421     426       366     358     360       382     355     368
   7      471     454     460       439     420     428       364     358     359       356     347     351
   8      471     450     457       436     366     395       372     363     366       376     348     359
   9      476     379     455       372     321     351       381     366     370       370     351     359
  10      508     416     486       324     295     301       400     381     389       395     370     384
 
  11      507     474     494       311     301     304       417     349     397       430     391     408
  12      498     466     476       328     311     318       349     261     313       467     415     438
  13      518     498     506       342     328     334       262     231     240       484     455     473
  14      539     518     534       351     342     344       300     250     271       470     443     456
  15      ---     ---     ---       359     348     351       343     300     328       493     447     471
 
  16      ---     ---     ---       363     349     354       365     343     351       596     493     563
  17      580     562     574       357     352     354       363     329     349       620     559     575
  18      576     503     554       376     357     364       329     291     310       636     602     619
  19      541     411     479       366     357     361       305     282     291       602     572     580
  20      421     368     394       370     361     364       324     305     315       576     557     564
 
  21      382     328     342       376     366     369       329     321     325       588     574     580
  22      351     330     338       377     368     375       344     326     333       692     579     620
  23      361     331     342       394     377     387       389     344     365       711     584     638
  24      376     361     369       414     390     405       454     387     424       669     545     590
  25      380     365     371       418     397     402       403     335     368       601     506     551
 
  26      380     370     374       415     335     369       ---     ---     ---       540     458     482
  27      383     373     376       335     265     301       ---     ---     ---       516     438     462
  28      388     375     380       316     256     271       ---     ---     ---       517     411     461
  29      389     382     386       355     316     340       ---     ---     ---       411     354     372
  30      409     385     395       378     355     365       ---     ---     ---       363     324     337
  31      413     391     400       ---     ---     ---       ---     ---     ---       362     332     351
 
 MONTH    580     315     426       439     256     366       454     231     341       711     324     467
 
               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      385     362     374       352     303     319       ---     ---     ---       453     430     439
   2      386     375     379       399     351     383       455     431     443       463     452     458
   3      400     380     389       387     342     360       481     450     463       479     461     469
   4      426     390     405       364     342     352       511     481     501       484     414     443
   5      434     341     390       394     364     375       511     502     507       415     390     404
 
   6      341     295     310       392     339     370       523     501     511       409     394     403
   7      348     296     320       339     288     304       521     503     512       415     408     412
   8      368     348     359       338     296     312       515     506     509       421     405     411
   9      385     368     377       387     338     357       533     515     526       432     413     421
  10      391     381     385       395     336     359       533     513     519       434     420     428
 
  11      400     386     390       336     294     308       552     524     538       421     396     408
  12      432     400     413       ---     ---     ---       569     360     502       396     376     384
  13      463     427     442       ---     ---     ---       360     267     318       391     379     387
  14      493     445     464       ---     ---     ---       267     240     251       433     391     409
  15      563     488     514       ---     ---     ---       301     259     281       440     427     434
 
  16      565     545     554       ---     ---     ---       336     301     315       442     422     431
  17      564     529     539       ---     ---     ---       344     331     337       440     421     429
  18      627     536     559       ---     ---     ---       341     317     327       449     422     431
  19      627     507     572       ---     ---     ---       346     318     335       432     351     397
  20      507     386     437       ---     ---     ---       354     345     350       364     344     354
 
  21      386     358     365       ---     ---     ---       367     354     360       350     337     346
  22      394     367     380       ---     ---     ---       422     367     395       350     334     342
  23      396     379     387       ---     ---     ---       426     421     423       363     350     359
  24      398     381     391       ---     ---     ---       430     419     426       386     362     376
  25      412     395     401       ---     ---     ---       454     417     433       401     374     386
 
  26      440     411     426       ---     ---     ---       452     434     440       379     310     346
  27      493     400     452       ---     ---     ---       465     449     457       316     277     290
  28      400     310     342       ---     ---     ---       461     445     453       343     295     319
  29      ---     ---     ---       ---     ---     ---       457     414     438       370     316     350
  30      ---     ---     ---       ---     ---     ---       436     410     420       377     361     368
  31      ---     ---     ---       ---     ---     ---       ---     ---     ---       374     359     364
 
 MONTH    627     295     418       399     288     345       569     240     424       484     277     393

                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      374     325     357       446     419     429       426     410     420       459     419     440
   2      329     250     279       437     415     428       427     408     419       435     419     430
   3      305     245     270       442     415     428       430     413     422       450     412     426
   4      329     295     307       433     424     429       417     412     415       420     414     417
   5      380     325     346       432     398     413       430     410     420       440     412     425
 
   6      380     350     364       415     399     405       423     409     417       429     412     421
   7      379     345     363       411     397     402       431     413     418       433     414     422
   8      388     342     360       427     404     415       436     408     420       415     408     411
   9      383     330     348       433     417     425       427     414     419       435     408     416
  10      402     342     374       440     421     429       426     411     418       462     428     441
 
  11      419     381     406       431     423     426       424     406     416       461     423     447
  12      432     366     406       426     413     419       425     408     419       461     447     455
  13      431     346     383       437     423     427       445     420     430       447     442     445
  14      436     376     411       425     408     417       436     421     428       471     442     455
  15      422     380     400       432     410     413       432     417     423       481     471     477
 
  16      380     359     365       433     416     424       431     369     419       479     463     472
  17      384     358     369       422     415     419       407     344     376       472     456     461
  18      388     342     371       438     417     424       396     355     385       476     451     467
  19      389     369     376       438     410     419       427     389     414       455     440     450
  20      386     369     377       417     402     410       458     427     444       440     351     380
 
  21      391     369     376       419     398     405       489     458     473       411     355     391
  22      386     375     380       412     400     405       491     471     482       469     411     444
  23      398     381     387       434     410     420       474     452     466       470     433     454
  24      408     388     398       420     410     415       469     450     462       467     436     451
  25      434     408     422       423     413     418       461     440     449       514     467     491
 
  26      462     432     443       437     411     421       465     440     457       539     502     520
  27      461     435     448       427     419     424       473     437     453       505     486     502
  28      458     432     440       437     414     422       479     467     473       507     493     500
  29      460     442     452       423     406     416       495     468     485       515     490     499
  30      456     441     452       418     408     412       493     474     485       515     492     501
  31      ---     ---     ---       433     404     418       477     450     466       ---     ---     ---
 
 MONTH    462     245     381       446     397     419       495     344     435       539     351     450
 
 YEAR     711     231     410
 
	                     	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      7.6     7.5     7.5       7.7     7.7     7.7       8.1     7.8     7.9       7.8     7.8     7.8
   2      7.9     7.6     7.7       7.7     7.7     7.7       7.8     7.7     7.7       7.8     7.8     7.8
   3      7.8     7.6     7.7       7.8     7.7     7.7       7.8     7.7     7.7       7.8     7.7     7.7
   4      7.9     7.7     7.8       7.8     7.7     7.8       7.8     7.7     7.8       7.7     7.6     7.7
   5      7.8     7.7     7.7       7.8     7.7     7.8       7.9     7.8     7.8       7.6     7.6     7.6
 
   6      7.8     7.7     7.7       7.8     7.7     7.7       7.9     7.8     7.8       7.6     7.6     7.6
   7      7.7     7.7     7.7       7.8     7.7     7.7       7.9     7.9     7.9       7.6     7.6     7.6
   8      7.7     7.6     7.7       7.8     7.6     7.7       7.9     7.9     7.9       7.6     7.5     7.6
   9      7.9     7.6     7.7       7.6     7.5     7.6       7.9     7.9     7.9       7.5     7.5     7.5
  10      7.8     7.7     7.7       7.6     7.5     7.5       7.9     7.9     7.9       7.5     7.5     7.5
 
  11      7.7     7.6     7.7       7.6     7.6     7.6       8.1     7.9     7.9       7.5     7.5     7.5
  12      7.7     7.6     7.6       7.7     7.6     7.7       7.9     7.6     7.8       7.9     7.5     7.5
  13      7.6     7.5     7.6       7.9     7.7     7.8       7.6     7.5     7.5       7.5     7.5     7.5
  14      7.6     7.5     7.6       7.9     7.8     7.9       7.8     7.6     7.7       7.5     7.5     7.5
  15      ---     ---     ---       7.9     7.8     7.9       7.9     7.7     7.8       7.7     7.4     7.5
 
  16      ---     ---     ---       7.9     7.9     7.9       7.9     7.9     7.9       7.5     7.4     7.4
  17      7.8     7.6     7.6       7.9     7.9     7.9       7.9     7.8     7.9       7.5     7.4     7.5
  18      7.8     7.5     7.6       7.9     7.9     7.9       7.8     7.7     7.8       7.5     7.5     7.5
  19      7.7     7.6     7.6       7.9     7.8     7.9       7.8     7.7     7.8       7.5     7.5     7.5
  20      7.7     7.5     7.6       7.9     7.8     7.9       7.9     7.8     7.9       7.5     7.5     7.5
 
  21      7.5     7.5     7.5       7.9     7.8     7.9       7.9     7.8     7.9       7.5     7.5     7.5
  22      7.5     7.5     7.5       7.9     7.9     7.9       7.9     7.8     7.9       7.6     7.5     7.5
  23      7.6     7.5     7.6       7.9     7.9     7.9       7.9     7.9     7.9       7.6     7.4     7.5
  24      7.6     7.6     7.6       7.9     7.9     7.9       7.9     7.8     7.8       7.5     7.4     7.5
  25      7.7     7.6     7.7       7.9     7.8     7.9       7.8     7.7     7.8       7.5     7.4     7.5
 
  26      7.7     7.7     7.7       7.9     7.8     7.8       7.8     7.7     7.8       7.4     7.4     7.4
  27      7.7     7.7     7.7       7.8     7.6     7.7       7.9     7.8     7.9       7.5     7.4     7.4
  28      7.7     7.6     7.7       7.8     7.6     7.6       7.9     7.8     7.8       7.5     7.4     7.4
  29      7.7     7.6     7.7       7.9     7.8     7.8       7.8     7.8     7.8       7.4     7.4     7.4
  30      7.7     7.6     7.7       7.9     7.9     7.9       7.8     7.7     7.8       7.4     7.3     7.3
  31      7.7     7.6     7.7       ---     ---     ---       7.8     7.7     7.8       7.4     7.3     7.4
 
 MONTH    7.9     7.5     7.7       7.9     7.5     7.8       8.1     7.5     7.8       7.9     7.3     7.5
 
               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      7.5     7.4     7.5       7.3     7.3     7.3       7.8     7.3     7.5       7.6     7.4     7.4
   2      7.5     7.5     7.5       7.4     7.3     7.4       7.6     7.4     7.5       7.7     7.4     7.5
   3      7.5     7.5     7.5       7.4     7.4     7.4       7.6     7.5     7.5       7.5     7.4     7.4
   4      7.5     7.5     7.5       7.4     7.4     7.4       7.7     7.4     7.5       7.5     7.3     7.4
   5      7.5     7.4     7.4       7.5     7.4     7.4       7.6     7.4     7.5       7.5     7.4     7.4
 
   6      7.4     7.3     7.3       7.5     7.3     7.4       7.7     7.4     7.5       7.4     7.3     7.4
   7      7.4     7.3     7.3       7.4     7.3     7.3       7.7     7.4     7.5       7.5     7.3     7.4
   8      7.4     7.4     7.4       7.4     7.4     7.4       7.8     7.5     7.6       7.4     7.3     7.4
   9      7.5     7.4     7.4       7.5     7.4     7.4       7.8     7.5     7.6       7.4     7.3     7.4
  10      7.5     7.4     7.5       7.5     7.4     7.4       7.8     7.6     7.7       7.4     7.3     7.4
 
  11      7.5     7.5     7.5       7.4     7.3     7.3       7.8     7.6     7.7       7.4     7.3     7.4
  12      7.5     7.5     7.5       7.4     7.3     7.4       7.7     7.5     7.6       7.5     7.3     7.4
  13      7.9     7.5     7.5       7.5     7.4     7.4       7.5     7.2     7.3       7.5     7.3     7.4
  14      7.5     7.5     7.5       7.6     7.4     7.5       7.3     7.2     7.2       7.5     7.4     7.4
  15      7.5     7.5     7.5       7.4     7.3     7.3       7.3     7.2     7.3       7.5     7.4     7.4
 
  16      7.5     7.5     7.5       7.4     7.3     7.3       7.4     7.3     7.3       7.5     7.3     7.4
  17      7.6     7.5     7.5       7.5     7.4     7.4       7.4     7.3     7.4       7.6     7.4     7.5
  18      7.6     7.5     7.5       7.5     7.4     7.5       7.4     7.3     7.4       7.7     7.4     7.5
  19      7.6     7.5     7.5       7.5     7.5     7.5       7.4     7.4     7.4       7.5     7.3     7.4
  20      7.5     7.4     7.4       7.5     7.5     7.5       7.6     7.4     7.5       7.3     7.3     7.3
 
  21      7.4     7.4     7.4       7.5     7.5     7.5       7.6     7.4     7.5       7.3     7.3     7.3
  22      7.4     7.3     7.4       7.5     7.4     7.5       7.5     7.4     7.5       7.4     7.3     7.3
  23      7.4     7.4     7.4       7.5     7.4     7.5       7.5     7.4     7.5       7.4     7.3     7.4
  24      7.5     7.4     7.5       7.6     7.4     7.5       7.5     7.4     7.4       7.5     7.4     7.4
  25      7.5     7.5     7.5       7.6     7.5     7.6       7.6     7.4     7.5       7.4     7.3     7.4
 
  26      7.5     7.5     7.5       7.5     7.4     7.4       7.7     7.4     7.6       7.4     7.3     7.3
  27      7.5     7.4     7.5       7.5     7.4     7.5       7.7     7.5     7.6       7.4     7.2     7.3
  28      7.4     7.3     7.3       7.6     7.5     7.5       7.6     7.4     7.5       7.4     7.4     7.4
  29      ---     ---     ---       7.6     7.6     7.6       7.6     7.4     7.5       7.4     7.3     7.4
  30      ---     ---     ---       7.6     7.6     7.6       7.7     7.4     7.5       7.4     7.4     7.4
  31      ---     ---     ---       7.7     7.5     7.6       ---     ---     ---       7.4     7.4     7.4
 
 MONTH    7.9     7.3     7.5       7.7     7.3     7.4       7.8     7.2     7.5       7.7     7.2     7.4
 
                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      7.4     7.3     7.4       7.4     7.3     7.3       7.3     7.3     7.3       7.4     7.3     7.4
   2      7.3     7.2     7.2       7.3     7.2     7.3       7.3     7.3     7.3       7.4     7.3     7.4
   3      7.4     7.2     7.3       7.3     7.2     7.3       7.3     7.3     7.3       7.4     7.3     7.3
   4      7.3     7.2     7.3       7.3     7.2     7.3       7.3     7.3     7.3       7.4     7.3     7.4
   5      7.4     7.2     7.3       7.3     7.3     7.3       7.3     7.3     7.3       7.4     7.3     7.4
 
   6      7.4     7.3     7.3       7.3     7.3     7.3       7.4     7.3     7.3       7.4     7.3     7.4
   7      7.4     7.3     7.3       7.3     7.3     7.3       7.4     7.3     7.3       7.5     7.3     7.4
   8      7.4     7.3     7.3       7.3     7.3     7.3       7.4     7.3     7.3       7.5     7.3     7.4
   9      7.4     7.3     7.3       7.3     7.3     7.3       7.4     7.3     7.3       7.4     7.3     7.4
  10      7.6     7.4     7.6       7.3     7.2     7.3       7.4     7.3     7.3       7.4     7.3     7.4
 
  11      7.6     7.5     7.6       7.3     7.2     7.3       7.3     7.3     7.3       7.4     7.3     7.4
  12      7.6     7.3     7.4       7.3     7.2     7.3       7.4     7.3     7.3       7.5     7.4     7.4
  13      7.6     7.3     7.4       7.3     7.2     7.2       7.3     7.3     7.3       7.4     7.3     7.4
  14      7.5     7.3     7.4       7.3     7.3     7.3       7.3     7.3     7.3       7.4     7.3     7.4
  15      7.5     7.4     7.4       7.3     7.2     7.3       7.3     7.3     7.3       7.4     7.3     7.4
 
  16      7.4     7.4     7.4       7.3     7.2     7.3       7.4     7.3     7.3       7.4     7.3     7.4
  17      7.5     7.4     7.4       7.3     7.3     7.3       7.4     7.3     7.3       7.4     7.3     7.4
  18      7.6     7.3     7.4       7.3     7.2     7.3       7.3     7.3     7.3       7.4     7.3     7.4
  19      7.5     7.4     7.4       7.3     7.2     7.3       7.3     7.3     7.3       7.4     7.3     7.4
  20      7.4     7.4     7.4       7.3     7.3     7.3       7.3     7.3     7.3       7.5     7.3     7.4
 
  21      7.4     7.4     7.4       7.3     7.3     7.3       7.4     7.3     7.3       7.4     7.4     7.4
  22      7.4     7.3     7.4       7.3     7.3     7.3       7.3     7.3     7.3       7.4     7.4     7.4
  23      7.4     7.3     7.3       7.3     7.2     7.2       7.4     7.3     7.4       7.4     7.4     7.4
  24      7.3     7.3     7.3       7.3     7.2     7.3       7.4     7.3     7.4       7.4     7.4     7.4
  25      7.3     7.2     7.2       7.3     7.3     7.3       7.4     7.4     7.4       7.4     7.4     7.4
 
  26      7.3     7.2     7.2       7.3     7.3     7.3       7.4     7.3     7.4       7.5     7.4     7.4
  27      7.2     7.2     7.2       7.3     7.3     7.3       7.4     7.3     7.4       7.5     7.4     7.4
  28      7.3     7.2     7.3       7.3     7.3     7.3       7.4     7.3     7.3       7.5     7.4     7.4
  29      7.3     7.3     7.3       7.3     7.3     7.3       7.4     7.3     7.3       7.7     7.4     7.5
  30      7.3     7.3     7.3       7.3     7.3     7.3       7.4     7.3     7.3       7.6     7.5     7.5
  31      ---     ---     ---       7.3     7.3     7.3       7.4     7.3     7.4       ---     ---     ---
 
 MONTH    7.6     7.2     7.3       7.4     7.2     7.3       7.4     7.3     7.3       7.7     7.3     7.4
 
 YEAR     8.1     7.2     7.5
 

	                     	03098600 MAHONING RIVER BELOW WEST AVENUE AT YOUNGSTOWN, 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     19.0    16.5    18.0      12.0    11.5    12.0       6.5     5.0     6.0       4.0     3.0     3.5
   2     20.5    19.0    20.0      11.5    11.0    11.0       6.5     6.0     6.0       5.0     3.5     4.0
   3     20.0    19.0    19.5      11.5    11.0    11.5       6.0     5.0     5.5       6.5     5.0     5.5
   4     19.0    18.0    18.5      11.5    10.0    11.0       5.5     5.0     5.5       8.0     6.5     7.0
   5     18.5    17.5    18.0      12.0    10.5    11.0       5.5     5.0     5.0       8.5     8.0     8.5
 
   6     18.5    17.0    18.0      13.0    12.0    12.0       5.5     5.0     5.0       8.5     7.0     7.5
   7     19.5    18.0    18.5      14.0    12.0    13.0       5.5     5.0     5.0       7.0     5.5     6.0
   8     19.5    18.5    19.0      14.0    11.5    12.5       5.0     4.5     5.0       5.5     4.5     5.0
   9     19.5    17.5    19.0      11.5     9.0    10.5       5.0     4.5     4.5       4.5     4.5     4.5
  10     18.0    16.5    17.0       9.0     8.0     8.5       4.5     4.5     4.5       4.5     4.0     4.5
 
  11     17.0    16.5    17.0       8.0     7.0     7.5       6.0     4.5     5.5       4.0     3.0     3.5
  12     18.5    17.0    17.5       7.0     6.5     6.5       5.5     5.0     5.0       3.5     2.5     3.0
  13     18.5    18.0    18.5       6.5     5.5     6.0       5.5     5.0     5.0       4.5     3.5     4.0
  14     21.0    18.0    19.5       6.0     5.5     6.0       5.5     5.0     5.5       5.0     4.0     4.5
  15      ---     ---     ---       6.0     5.5     6.0       5.5     4.5     5.0       6.0     3.5     4.5
 
  16      ---     ---     ---       6.0     5.5     6.0       5.0     4.0     4.5       7.0     5.5     6.5
  17     22.0    18.5    20.0       6.5     5.5     6.0       5.5     5.0     5.0       5.5     4.0     4.5
  18     22.0    18.5    20.5       7.5     6.5     7.5       5.0     4.5     5.0       4.5     3.5     4.0
  19     18.5    14.0    16.5       7.5     7.0     7.0       4.5     3.0     4.0       4.5     3.5     4.0
  20     14.0    12.5    13.0       7.0     6.5     7.0       3.0     2.0     2.5       6.5     4.5     5.5
 
  21     12.5    12.0    12.0       7.0     6.5     6.5       2.0     1.5     2.0       7.0     5.5     6.5
  22     12.5    12.0    12.5       6.5     5.5     6.5       2.5     2.0     2.0       8.0     7.0     7.5
  23     13.0    12.0    12.5       6.5     5.5     6.0       3.0     2.0     2.5       8.5     7.0     8.0
  24     13.5    12.5    13.0       7.0     6.0     6.5       3.5     3.0     3.5       7.0     4.0     5.0
  25     13.5    13.0    13.5       8.5     7.0     8.0       3.0     2.0     2.0       4.5     3.5     4.0
 
  26     14.0    13.0    13.5       7.5     5.5     6.5       2.0     1.5     2.0       3.5     2.5     3.0
  27     15.0    14.0    14.5       5.5     4.0     5.0       2.5     2.0     2.0       3.0     2.0     2.5
  28     15.5    14.5    15.0       4.0     3.5     4.0       3.5     2.5     3.0       3.0     1.5     2.5
  29     14.5    14.5    14.5       4.5     3.5     4.0       4.5     3.5     4.0       1.5     1.0     1.5
  30     15.0    14.0    14.5       5.0     4.0     4.5       4.5     4.0     4.5       2.5     1.5     1.5
  31     14.0    12.0    13.0       ---     ---     ---       4.5     4.0     4.0       2.0     2.0     2.0
 
 MONTH   22.0    12.0    16.5      14.0     3.5     8.0       6.5     1.5     4.0       8.5     1.0     4.5
 
               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      2.5     2.0     2.5       7.5     6.5     6.5       ---     ---     ---      16.0    15.5    16.0
   2      3.0     2.0     2.5       8.0     7.5     7.5      11.0     8.5    10.0      16.0    14.5    15.5
   3      4.5     3.0     4.0       7.5     7.0     7.0      14.0    10.5    12.0      16.5    15.5    16.0
   4      4.5     4.0     4.5       7.0     6.0     6.5      16.5    14.0    15.0      15.5    14.5    15.0
   5      4.0     2.5     3.0       6.5     6.0     6.5      17.0    15.5    16.5      15.5    14.0    14.5
 
   6      2.5     2.0     2.0       6.0     4.5     5.0      16.5    15.0    15.5      16.0    14.5    15.0
   7      3.0     2.0     2.5       4.5     4.0     4.0      15.0    13.0    13.5      16.5    14.5    15.5
   8      3.0     2.5     3.0       5.0     4.0     4.5      14.0    12.0    13.0      16.0    14.5    15.0
   9      3.5     2.5     3.0       5.5     5.0     5.0      13.0    11.5    12.5      15.5    14.5    15.0
  10      3.5     3.0     3.5       6.0     5.0     5.5      13.0    11.0    12.0      14.5    13.5    14.0
 
  11      3.5     3.0     3.0       6.5     6.0     6.0      12.5    12.0    12.0      14.5    13.0    14.0
  12      3.5     3.0     3.0       ---     ---     ---      12.0     8.5    11.0      15.5    14.0    14.5
  13      3.0     2.5     3.0       ---     ---     ---       8.5     7.0     8.0      16.5    15.0    15.5
  14      4.0     2.5     3.5       ---     ---     ---       8.0     6.5     7.0      17.0    15.5    16.0
  15      4.0     4.0     4.0       ---     ---     ---       9.5     7.5     8.5      17.5    16.0    16.5
 
  16      4.5     4.0     4.0       ---     ---     ---      11.0     9.5    10.5      17.0    15.5    16.0
  17      4.5     3.5     4.0       ---     ---     ---      11.0     9.0    10.0      17.5    15.5    16.5
  18      5.5     4.0     5.0       ---     ---     ---       9.5     8.5     9.0      18.5    15.5    17.0
  19      5.5     3.5     4.5       ---     ---     ---      10.0     8.0     9.0      19.0    17.5    18.0
  20      4.0     3.0     4.0       ---     ---     ---      11.0     8.5     9.5      18.0    17.5    18.0
 
  21      6.0     4.0     5.0       ---     ---     ---      11.5     9.5    10.5       ---     ---     ---
  22      6.5     5.5     6.0       ---     ---     ---      13.0    11.0    12.5       ---     ---     ---
  23      6.0     4.5     5.0       ---     ---     ---      13.5    12.5    13.0       ---     ---     ---
  24      4.5     4.0     4.0       ---     ---     ---      13.5    12.5    13.0       ---     ---     ---
  25      4.5     4.0     4.0       ---     ---     ---      14.5    12.5    13.5       ---     ---     ---
 
  26      6.0     4.5     5.0       ---     ---     ---      15.5    13.0    14.0       ---     ---     ---
  27      7.5     6.0     6.5       ---     ---     ---      15.0    14.5    15.0       ---     ---     ---
  28      6.5     5.5     6.0       ---     ---     ---      15.5    14.0    15.0       ---     ---     ---
  29      ---     ---     ---       ---     ---     ---      15.0    13.5    14.5       ---     ---     ---
  30      ---     ---     ---       ---     ---     ---      16.5    14.0    15.0       ---     ---     ---
  31      ---     ---     ---       ---     ---     ---       ---     ---     ---       ---     ---     ---
 
 MONTH    7.5     2.0     4.0       8.0     4.0     6.0      17.0     6.5    12.0      19.0    13.0    15.5

                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      ---     ---     ---      24.5    23.5    24.0      28.5    26.0    27.5      25.0    22.5    24.0
   2      ---     ---     ---      28.5    24.5    27.0      29.0    26.5    28.0      25.5    23.0    24.5
   3      ---     ---     ---      28.5    27.0    27.5      29.0    27.5    28.5      25.0    23.5    24.5
   4      ---     ---     ---      28.0    27.0    27.5      29.0    27.0    28.0      24.0    22.0    23.0
   5      ---     ---     ---      27.0    25.5    26.0      28.5    27.0    27.5      23.0    21.0    22.0
 
   6      ---     ---     ---      27.0    24.0    25.5      28.0    25.0    26.5      23.5    21.5    22.5
   7      ---     ---     ---      26.0    24.5    25.0      25.5    23.0    24.5      23.0    21.0    21.5
   8      ---     ---     ---      26.0    24.0    25.0      27.5    24.0    25.5      22.0    21.0    21.5
   9      ---     ---     ---      26.5    25.0    26.0      28.5    26.0    27.0      24.0    21.0    22.5
  10     20.5    18.5    19.5      27.0    25.0    26.0      28.5    26.5    27.5      23.5    22.5    23.0
 
  11     21.0    20.0    20.0      27.5    25.0    26.0      28.0    27.0    27.5      22.5    22.0    22.5
  12     22.5    20.5    21.0      28.5    26.0    27.0      28.5    26.5    27.5      22.0    21.5    22.0
  13     23.5    20.5    21.5      29.5    27.0    28.0      28.0    27.0    27.5      22.5    21.5    22.0
  14     22.0    20.5    21.0      29.5    26.5    28.5      28.0    26.5    27.0      23.0    22.0    22.5
  15     20.5    20.0    20.5      31.0    28.5    29.5      27.0    26.0    26.5      23.0    22.0    22.5
 
  16     20.5    19.5    20.0      31.0    29.5    30.0      28.0    25.5    26.5      24.0    22.5    23.5
  17     21.5    20.0    20.5      30.5    29.0    29.5      26.0    24.5    25.0      24.0    23.0    23.5
  18     22.0    21.0    21.0      31.0    29.5    30.0      24.5    24.0    24.5      23.5    21.0    22.0
  19     21.5    21.0    21.0      31.0    29.5    30.0      26.0    24.0    25.0      21.5    20.5    21.0
  20     22.5    21.5    22.0      29.5    28.0    28.5      25.5    24.0    25.0      21.5    20.5    20.5
 
  21     23.5    22.5    23.0      28.5    27.0    28.0      25.5    24.5    25.0      20.5    19.5    20.5
  22     24.0    23.5    23.5      28.5    27.0    28.0      25.0    24.0    24.0      20.0    18.5    19.5
  23     25.5    23.5    25.0      28.0    27.0    27.5      24.0    22.0    22.5      20.0    19.5    19.5
  24     26.5    24.5    25.5      28.0    26.5    27.0      22.5    21.5    21.5      20.5    18.5    19.5
  25     28.5    26.0    27.0      28.0    26.5    27.5      22.0    21.0    21.5      20.0    19.0    19.5
 
  26     28.0    26.0    27.5      27.5    26.0    27.0      24.5    21.5    22.5      20.0    19.0    19.5
  27     26.5    25.5    26.0      27.5    25.0    26.5      26.5    23.5    25.0      20.0    18.0    19.0
  28     25.5    24.0    25.0      28.0    26.0    27.0      27.0    25.0    26.0      20.0    19.5    20.0
  29     25.0    23.5    24.0      29.5    28.0    28.5      25.5    23.5    24.0      20.0    18.5    19.5
  30     24.5    23.5    24.0      29.0    27.0    28.0      25.0    23.0    24.0      19.5    19.5    19.5
  31      ---     ---     ---      28.5    26.0    27.5      24.0    23.0    23.5       ---     ---     ---
 
 MONTH   28.5    18.5    23.0      31.0    23.5    27.5      29.0    21.0    25.5      25.5    18.0    21.5

 YEAR    31.0     1.0    14.5
   

	                     	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      8.3     6.9     7.5      10.1     7.9     8.5      11.9    10.4    11.1      12.5    11.7    12.2
   2      8.4     7.2     7.7       8.6     7.8     8.1      10.7    10.1    10.4      12.7    12.4    12.5
   3      7.9     7.3     7.5       9.4     8.0     8.5      11.3    10.2    10.6      12.5    11.8    12.3
   4      8.0     7.2     7.5      11.3     7.8     9.1      10.7    10.4    10.5      12.8    11.4    12.0
   5      8.3     7.2     7.6      10.9     8.6     9.4      10.9    10.5    10.7      12.3    10.6    11.5
 
   6      8.5     7.2     7.7      11.1     9.2    10.0      11.3    10.5    10.7      11.0    10.6    10.8
   7      8.6     7.3     7.7      10.4     9.6    10.0      11.4    10.4    10.8      11.4    10.9    11.1
   8      8.2     7.2     7.6       9.6     8.6     8.8      10.9    10.4    10.6       ---     ---     ---
   9      7.6     7.3     7.5       9.0     8.5     8.7      11.0    10.5    10.7       ---     ---     ---
  10      7.6     7.2     7.3       9.7     8.5     8.9      11.8    10.6    11.1       ---     ---     ---
 
  11      7.7     7.0     7.3       9.6     8.5     8.9      11.1    10.8    11.0       ---     ---     ---
  12      7.8     6.6     7.1       9.8     8.3     8.9      11.1    10.7    10.9       ---     ---     ---
  13      8.2     7.2     7.5      11.8     8.2     9.7      10.7    10.5    10.6       ---     ---     ---
  14      7.5     6.6     7.1      12.1    10.8    11.5      12.5    10.6    11.1       ---     ---     ---
  15      ---     ---     ---      12.8    10.7    11.4      12.1    10.5    11.0       ---     ---     ---
 
  16      ---     ---     ---      13.0    10.8    11.5      11.6    11.0    11.3       ---     ---     ---
  17      7.8     6.6     7.1      12.1    10.8    11.3      13.2    10.9    12.0       ---     ---     ---
  18      6.9     6.5     6.7      11.3    10.6    11.1      12.7    12.1    12.5       ---     ---     ---
  19      7.2     6.6     6.8      11.6    10.4    10.8      12.4    11.8    12.1       ---     ---     ---
  20      8.0     7.2     7.5      11.4    10.4    10.7      12.4    11.7    12.2       ---     ---     ---
 
  21      8.0     7.6     7.8      10.8    10.4    10.6      13.5    12.3    12.8       ---     ---     ---
  22      8.2     7.8     8.0      10.7    10.5    10.6      13.1    12.7    12.9       ---     ---     ---
  23      8.4     8.0     8.1      11.6    10.5    10.8      13.4    12.7    13.0       ---     ---     ---
  24      8.8     7.8     8.1      11.1    10.6    10.8      12.9    11.7    12.2       ---     ---     ---
  25      9.5     7.7     8.4      10.6    10.3    10.5      12.5    11.7    12.1       ---     ---     ---
 
  26      9.3     8.1     8.6      10.9     9.7    10.1      13.1    12.3    12.6       ---     ---     ---
  27      8.9     8.5     8.7      10.8     9.7    10.1      13.1    12.5    12.7       ---     ---     ---
  28      9.0     7.9     8.5      10.5     9.9    10.3      13.3    12.7    12.9      11.8    11.1    11.4
  29      9.0     7.8     8.3      12.0    10.0    10.7      12.9    12.0    12.6      12.2    11.8    12.0
  30      9.1     8.2     8.7      11.0    10.6    10.8      12.7    12.0    12.2      12.0    11.7    11.8
  31      9.9     7.8     8.4       ---     ---     ---      12.2    11.7    12.0      11.8    11.6    11.7
 
 MONTH    9.9     6.5     7.7      13.0     7.8    10.0      13.5    10.1    11.6      12.8    10.6    11.8

               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1     11.8    11.5    11.6      10.6    10.1    10.3       ---     ---     ---       8.6     7.7     8.2
   2     12.0    11.6    11.8      10.4    10.0    10.1      10.7     9.6    10.1       9.9     7.8     8.7
   3     11.8    11.5    11.7      10.5    10.3    10.4      10.1     8.7     9.4       8.7     7.6     8.2
   4     11.7    11.4    11.5      12.8    10.5    11.4       9.6     7.8     8.6       9.3     7.9     8.6
   5     12.2    11.5    11.9      13.4    10.7    12.0       8.5     7.4     7.9       9.5     8.6     9.1
 
   6     12.3    12.1    12.2      11.3    10.8    11.1       9.3     7.4     8.2       9.1     8.2     8.7
   7     12.3    12.0    12.2      12.9    11.2    12.1       9.7     7.9     8.6       9.4     8.0     8.6
   8     12.3    12.0    12.1      12.0    11.2    11.5       9.8     8.3     8.8       8.9     8.1     8.4
   9     12.5    12.1    12.3      11.8    10.8    11.3      10.1     8.3     9.0       8.7     8.0     8.4
  10     12.4    12.1    12.3      12.8    11.7    12.4      10.6     8.3     9.1       9.0     8.1     8.6
 
  11     12.4    12.1    12.3      11.9    10.7    11.4      10.4     8.5     9.2       9.7     8.5     9.1
  12     12.4    12.1    12.2       ---     ---     ---      10.1     8.6     9.1       9.4     8.5     8.9
  13     12.5    12.0    12.3       ---     ---     ---      10.5    10.0    10.2       9.4     8.1     8.7
  14     12.2    11.6    12.0       ---     ---     ---      10.8    10.2    10.5       9.3     7.8     8.4
  15     12.0    11.5    11.8       ---     ---     ---      10.5     9.9    10.3       8.8     7.6     8.2
 
  16     11.7    11.4    11.6       ---     ---     ---       9.9     9.1     9.7       9.1     7.6     8.2
  17     12.2    11.5    11.8       ---     ---     ---       9.7     9.1     9.5       9.6     7.8     8.6
  18     12.0    11.4    11.6       ---     ---     ---      10.2     9.7    10.0      10.1     7.9     8.8
  19     12.0    11.4    11.7       ---     ---     ---      10.4     9.8    10.1       8.6     7.3     7.9
  20     12.6    11.9    12.2       ---     ---     ---      10.6     9.6    10.0       7.8     7.3     7.6
 
  21     12.0    11.3    11.7       ---     ---     ---      10.3     9.2     9.7       ---     ---     ---
  22     11.5    11.0    11.3       ---     ---     ---       9.6     8.4     9.0       ---     ---     ---
  23     11.9    11.4    11.6       ---     ---     ---       9.3     8.7     9.0       ---     ---     ---
  24     12.4    11.9    12.1       ---     ---     ---       9.7     8.5     9.1       ---     ---     ---
  25     12.4    11.8    12.1       ---     ---     ---      10.2     8.8     9.4       ---     ---     ---
 
  26     11.9    10.9    11.5       ---     ---     ---      10.5     8.8     9.5       ---     ---     ---
  27     11.3    10.7    10.9       ---     ---     ---       9.5     8.4     8.9       ---     ---     ---
  28     11.3    10.4    10.8       ---     ---     ---       9.1     8.2     8.6       ---     ---     ---
  29      ---     ---     ---       ---     ---     ---      10.0     8.3     9.1       ---     ---     ---
  30      ---     ---     ---       ---     ---     ---      10.1     8.6     9.2       ---     ---     ---
  31      ---     ---     ---       ---     ---     ---       ---     ---     ---       ---     ---     ---
 
 MONTH   12.6    10.4    11.8      13.4    10.0    11.3      10.8     7.4     9.3      10.1     7.3     8.5

                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      ---     ---     ---       6.7     6.1     6.4       7.2     6.1     6.5       7.6     6.5     7.0
   2      ---     ---     ---       6.4     5.4     5.9       7.0     6.2     6.4       7.5     6.6     6.9
   3      ---     ---     ---       6.2     5.4     5.7       6.9     5.9     6.3       7.2     6.1     6.6
   4      ---     ---     ---       6.1     5.4     5.7       6.9     5.8     6.3       7.6     6.3     6.7
   5      ---     ---     ---       6.7     5.8     6.2       6.7     5.9     6.2       7.8     6.4     6.9
 
   6      ---     ---     ---       6.9     6.3     6.5       7.4     6.0     6.6       7.7     6.5     6.9
   7      ---     ---     ---       7.0     6.3     6.6       7.9     6.6     7.2       7.7     6.6     7.0
   8      ---     ---     ---       6.9     6.3     6.6       7.6     6.2     6.9       7.8     6.7     7.1
   9      ---     ---     ---       6.4     5.8     6.3       7.4     6.1     6.6       7.2     6.0     6.7
  10      8.1     6.1     6.8       6.9     6.2     6.6       7.2     6.1     6.5       6.6     5.9     6.3
 
  11      7.3     5.8     6.4       7.1     6.3     6.6       6.7     5.9     6.2       7.2     6.4     6.7
  12      6.3     4.5     5.6       6.7     5.8     6.3       7.0     5.7     6.3       7.5     6.6     6.9
  13      6.4     4.3     5.2       6.5     5.8     6.1       6.4     5.7     6.0       7.3     6.4     6.9
  14      7.1     5.3     6.5       6.5     5.7     6.1       7.1     5.7     6.2       7.2     6.3     6.7
  15      7.3     6.4     6.9       6.1     5.6     5.8       6.5     5.8     6.1       7.2     6.2     6.6
 
  16      8.3     7.3     8.1       6.1     5.4     5.7       6.5     5.9     6.2       7.2     6.1     6.6
  17      8.2     6.3     7.0       6.1     5.4     5.7       6.8     6.4     6.5       7.2     6.0     6.5
  18      8.0     6.3     7.4       6.1     5.5     5.7       7.0     6.3     6.6       8.0     6.3     7.1
  19      8.2     7.1     7.7       6.2     5.4     5.7       7.1     6.4     6.6       8.0     6.8     7.3
  20      8.0     7.1     7.7       6.5     5.7     6.0       6.6     5.7     6.2       7.8     7.1     7.6
 
  21      7.7     7.2     7.5       6.8     5.9     6.3       6.6     5.7     6.1       8.1     7.4     7.8
  22      7.6     7.0     7.3       6.4     5.9     6.2       6.6     5.7     6.1       8.3     7.8     8.0
  23      7.0     6.5     6.8       6.2     5.9     6.1       7.5     6.1     6.9       8.0     7.5     7.7
  24      6.8     6.3     6.6       6.4     6.0     6.2       7.3     6.8     7.0       8.1     7.4     7.8
  25      6.3     5.4     6.0       6.5     6.0     6.3       7.6     7.0     7.2       8.0     7.2     7.5
 
  26      5.7     4.6     5.3       6.5     6.0     6.3       7.7     6.6     7.2       8.3     7.2     7.6
  27      6.0     5.4     5.7       7.0     6.3     6.7       7.3     6.0     6.7       8.3     7.4     7.8
  28      6.8     5.7     6.2       6.9     6.1     6.5       6.9     5.9     6.3       7.9     7.0     7.4
  29      6.9     6.1     6.4       6.6     5.8     6.2       6.7     5.9     6.3       8.8     6.8     7.8
  30      6.8     6.1     6.4       7.1     6.0     6.4       7.2     6.1     6.5       8.2     7.2     7.6
  31      ---     ---     ---       7.2     6.1     6.5       7.3     6.3     6.7       ---     ---     ---
 
 MONTH    8.3     4.3     6.6       7.2     5.4     6.2       7.9     5.7     6.5       8.8     5.9     7.1
 
 YEAR    13.5     4.3     8.8


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