U.S. Geological Survey
Water Resources Data - Ohio, Water Year 97, Vol. 1 | Great Miami River Basin
Specific Conductance | pH | Water Temperature | Oxygen Dissolved


	        	03271510 GREAT MIAMI RIVER NEAR LINDEN AVENUE AT MIAMISBURG, OHIO

					WATER QUALITY RECORDS

LOCATION.--Lat 39038'14", long 84017'33", Montgomery County, Hydrologic Unit 05080002, on left bank at Miamisburg,   
1.0 mi downstream from Bear Creek, 0.6 mi downstream from discharge station at Miamisburg, 0.65 mi downstream   
from discharge station below Miamisburg, and at mile 65.75.
DRAINAGE AREA.--2,713 mi2.
PERIOD OF RECORD.--June 1978 to current year.
PERIOD OF DAILY RECORD.--
   SPECIFIC CONDUCTANCE: June 1978 to current year.
   pH: June 1978 to current year.
   WATER TEMPERATURES: June 1978 to current year.
   DISSOLVED OXYGEN: June 1978 to current year.
INSTRUMENTATION.--Water-quality monitor since June 1978. Electronic data logger replaced digital recorder since     
June 19, 1991. Set for 1-hour interval.
REMARKS.--Interruptions in the water-quality record were due to malfunction of the instrument. Prior to June 1978, 
records published as 03271600, Great Miami River near Miamisburg, Ohio. See records of discharge for gaging station 
below Miamisburg (station 03271601).
EXTREMES FOR PERIOD OF DAILY RECORD.--
   SPECIFIC CONDUCTANCE: Maximum, 1,620 microsiemens June 13, 1992; minimum 206 microsiemens Feb. 18, 1982.
   pH: Maximum, 9.8 units Oct. 12, 1992; minimum, 7.0 units July 30, Aug. 30, 1979.
   WATER TEMPERATURES: Maximum, 33.0C July 20, 22, 1978; minimum, 0.0C on many days during winters.
  DISSOLVED OXYGEN: Maximum, >20.0 mg/L on several days in water year 1978-1994; minimum, 0.4 mg/L Aug. 27, 1981, 
Aug. 2, 1982.
EXTREMES FOR CURRENT YEAR.--
   SPECIFIC CONDUCTANCE: Maximum, 1,020 microsiemens Jan. 16; minimum, 305 microsiemens Dec. 18
   pH: Maximum, 8.9 units Nov. 23, Apr. 19, Aug. 7-9; minimum, 7.4 units Jul. 4-5.
   WATER TEMPERATURES: Maximum, 30.0C Jul. 27-28; minimum, 0.5C Dec. 20-21, Jan. 10-14, 16-18, 23, 29.
   DISSOLVED OXYGEN: Maximum, 19.9 mg/L Aug. 1; minimum, 5.7 mg/L Aug. 11-12.

	        	03271510 GREAT MIAMI RIVER NEAR LINDEN AVENUE AT MIAMISBURG, OHIO
	
	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      749     696     729       953     919     933       662     473     517       662     616     628
   2      798     746     783       942     924     934       473     434     451       693     662     673
   3      827     787     810       938     889     919       550     470     510       720     693     703
   4      841     821     828       931     888     911       616     550     581       737     718     724
   5      842     826     833       940     905     922       655     616     635       737     676     702
 
   6      842     829     838       951     921     936       683     644     659       681     586     642
   7      853     839     846       953     859     923       708     683     694       613     577     593
   8      874     846     857       904     806     868       733     708     720       625     603     613
   9      879     852     868       869     790     830       756     733     741       736     629     695
  10      886     866     875       868     788     832       771     750     761       825     741     772
 
  11      896     872     881       853     786     828       786     771     776       786     719     757
  12      898     874     886       873     831     853       791     561     737       812     772     802
  13      897     856     877       901     862     880       561     394     456       828     795     810
  14      894     858     876       908     883     897       475     413     450       829     796     815
  15      914     879     891       905     876     892       524     474     497       980     803     852
 
  16      925     884     903       908     875     891       563     511     541      1020     871     977
  17      934     890     912       912     883     901       511     342     421       954     909     928
  18      934     770     850       917     888     902       342     305     316       953     898     933
  19      799     744     773       926     892     904       403     330     363       921     865     898
  20      819     790     805       942     918     927       501     409     451       900     841     880
 
  21      847     790     814       939     907     916       565     504     538       858     824     843
  22      880     839     852       942     902     915       608     565     589       855     674     792
  23      905     840     872       894     863     874       666     573     627       674     453     577
  24      880     849     860       892     861     879       643     363     575       662     434     515
  25      904     866     883       898     661     830       358     324     340       564     535     547
 
  26      907     882     893       665     495     547       448     358     394       578     559     568
  27      907     876     892       541     507     519       554     454     492       807     500     647
  28      910     864     885       593     536     559       609     554     583       690     552     621
  29      930     895     909       667     593     617       615     609     613       554     428     469
  30      941     913     925       671     645     659       618     610     614       577     458     524
  31      952     919     933       ---     ---     ---       643     622     627       643     577     610
 
 MONTH    952     696     859       953     495     840       791     305     557      1020     428     713
 
               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      700     643     673       553     377     477       727     570     610       740     639     709
   2      735     693     712       479     377     436       664     618     639       775     439     714
   3      762     716     737       443     376     407       680     654     662       554     425     484
   4      779     565     689       525     437     476       698     665     678       590     512     557
   5      569     350     411       593     518     559       696     665     678       611     570     586
 
   6      430     345     382       596     430     513       683     661     672       665     605     632
   7      509     420     465       476     413     445       695     665     674       696     644     668
   8      735     502     619       565     474     519       706     672     686       856     667     700
   9      722     629     647       575     525     555       727     694     706       772     679     711
  10      663     627     647       578     539     560       744     700     720       701     674     686
 
  11      702     653     674       570     520     549       775     699     727       718     681     696
  12      752     679     702       610     562     586       786     657     697       757     693     711
  13      751     699     729       647     595     619       697     650     673       756     701     719
  14      798     721     757       629     572     604       704     657     675       748     719     731
  15      814     761     792       588     469     512       790     679     706       742     701     723
 
  16      813     772     787       567     482     524       788     682     707       734     714     725
  17      803     763     787       621     550     583       719     670     692       740     724     732
  18      804     769     786       648     531     610       711     677     694       747     727     737
  19      817     765     786       662     608     631       765     674     701       755     733     744
  20      798     761     773       651     614     633       719     693     704       765     735     750
 
  21      770     736     748       707     621     640       734     703     715       758     715     738
  22      754     605     691       675     636     655       739     701     724       745     721     735
  23      605     559     577       686     653     669       753     707     734       759     736     753
  24      621     566     594       719     670     691       765     726     746       775     752     765
  25      673     612     638       726     684     702       773     726     749       777     720     758
 
  26      706     644     679       745     697     710       838     722     749       765     713     748
  27      718     597     688       722     703     711       772     727     752       744     684     710
  28      597     419     468       722     682     709       762     734     749       730     699     710
  29      ---     ---     ---       726     608     689       789     737     754       748     730     740
  30      ---     ---     ---       608     461     503       843     668     752       738     723     729
  31      ---     ---     ---       754     522     569       ---     ---     ---       763     516     662
 
 MONTH    817     345     666       754     376     582       843     570     704       856     425     702

                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      530     377     430       722     504     628       799     770     785       870     835     849
   2      377     343     352       588     386     532       832     770     794       853     778     834
   3      378     348     367       588     520     558       826     798     814       857     829     842
   4      400     371     385       577     517     545       842     813     822       831     803     814
   5      437     400     418       576     537     555       842     815     826       887     828     853
 
   6      483     437     456       625     570     605       848     809     823       911     884     895
   7      562     483     519       684     623     657       848     807     820       917     825     882
   8      617     562     587       728     684     718       842     809     822       930     879     904
   9      652     617     636       748     686     731       859     814     837       918     851     893
  10      685     652     667       710     667     685       883     808     837       888     708     841
 
  11      696     685     690       712     693     699       882     811     847       860     781     808
  12      702     689     695       740     712     733       884     831     855       805     743     765
  13      720     701     706       762     739     755       884     474     727       847     800     816
  14      725     679     705       779     758     770       723     586     640       863     832     843
  15      682     654     670       798     776     788       800     723     765       861     832     845
 
  16      689     564     664       792     778     785       800     773     780       890     859     872
  17      691     603     634       804     771     787       825     712     775       928     890     906
  18      716     620     647       813     770     797       712     420     550       947     909     923
  19      718     676     689       829     783     807       641     455     532       946     905     924
  20      693     573     640       820     789     807       686     604     645       952     917     935
 
  21      705     579     638       828     786     811       724     638     688       957     917     941
  22      695     531     679       840     801     824       739     721     729       954     896     926
  23      717     656     702       843     786     821       750     723     736       937     910     920
  24      733     716     724       786     684     715       785     740     764       940     909     928
  25      746     719     729       761     743     752       800     769     785       937     882     909
 
  26      758     729     742       775     755     763       831     786     806       944     914     929
  27      842     739     762       828     769     797       863     831     845       946     916     932
  28      759     732     749       841     783     818       864     844     853       947     920     937
  29      769     732     742       786     762     776       871     850     858       948     909     932
  30      748     541     729       786     759     774       871     848     857       949     915     934
  31      ---     ---     ---       802     767     788       878     863     869       ---     ---     ---
 
 MONTH    842     343     625       843     386     728       884     420     777       957     708     884
 
 YEAR    1020     305     720
 

	        	03271510 GREAT MIAMI RIVER NEAR LINDEN AVENUE AT MIAMISBURG, 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      8.4     8.3     8.3       8.6     8.4     8.5       8.4     8.2     8.3       8.1     7.9     8.1
   2      8.5     8.3     8.4       8.6     8.4     8.5       8.2     8.1     8.1       8.1     8.0     8.1
   3      8.6     8.3     8.4       8.7     8.4     8.6       8.2     8.1     8.2       8.1     8.0     8.1
   4      8.6     8.3     8.5       8.8     8.5     8.6       8.3     8.2     8.2       8.1     7.8     8.1
   5      8.6     8.4     8.5       8.8     8.5     8.6       8.3     8.3     8.3       8.2     8.0     8.1
 
   6      8.7     8.4     8.5       8.6     8.5     8.5       8.4     8.3     8.3       8.2     8.0     8.1
   7      8.8     8.5     8.6       8.6     8.4     8.5       8.4     8.4     8.4       8.1     7.9     8.0
   8      8.7     8.5     8.6       8.5     8.3     8.4       8.4     8.4     8.4       8.1     8.0     8.1
   9      8.6     8.5     8.6       8.4     8.2     8.3       8.4     8.4     8.4       8.2     8.0     8.1
  10      8.6     8.5     8.5       8.4     8.3     8.3       8.5     8.4     8.4       8.2     8.0     8.2
 
  11      8.7     8.4     8.5       8.6     8.3     8.4       8.4     8.4     8.4       8.3     8.2     8.2
  12      8.7     8.5     8.5       8.6     8.4     8.5       8.4     8.3     8.4       8.2     8.1     8.2
  13      8.7     8.5     8.6       8.6     8.4     8.5       8.3     8.1     8.1       8.2     8.0     8.1
  14      8.8     8.5     8.6       8.7     8.4     8.6       8.1     8.0     8.1       8.1     7.9     8.0
  15      8.8     8.5     8.6       8.7     8.5     8.6       8.2     8.1     8.1       8.2     8.0     8.1
 
  16      8.8     8.5     8.6       8.8     8.5     8.6       8.2     8.2     8.2       8.2     8.1     8.2
  17      8.8     8.4     8.6       8.7     8.5     8.6       8.2     8.0     8.1       8.2     8.2     8.2
  18      8.6     8.4     8.5       8.7     8.5     8.6       8.0     8.0     8.0       8.2     8.1     8.2
  19      8.4     8.2     8.3       8.7     8.4     8.5       8.1     8.0     8.0       8.2     8.1     8.1
  20      8.4     8.3     8.3       8.7     8.4     8.5       8.1     7.8     8.0       8.2     8.0     8.1
 
  21      8.5     8.3     8.4       8.8     8.4     8.6       8.2     7.8     8.1       8.2     8.0     8.1
  22      8.5     8.3     8.4       8.8     8.5     8.6       8.2     8.1     8.1       8.2     8.1     8.2
  23      8.5     8.4     8.4       8.9     8.5     8.7       8.2     8.1     8.0       8.1     8.0     8.1
  24      8.5     8.3     8.4       8.7     8.5     8.6       8.1     7.9     8.1       8.0     8.0     8.0
  25      8.5     8.3     8.4       8.6     8.4     8.5       7.9     7.8     7.9       8.1     8.0     8.1
 
  26      8.5     8.3     8.4       8.5     8.1     8.2       7.9     7.8     7.9       8.1     8.1     8.1
  27      8.5     8.3     8.4       8.2     8.1     8.1       7.9     7.8     7.9       8.1     8.1     8.1
  28      8.5     8.3     8.3       8.3     8.2     8.3       7.9     7.9     7.9       8.2     8.1     8.1
  29      8.5     8.3     8.4       8.4     8.3     8.3       7.9     7.9     7.9       8.1     8.1     8.1
  30      8.5     8.3     8.4       8.4     8.3     8.4       8.0     7.9     7.9       8.2     8.1     8.1
  31      8.6     8.4     8.5       ---     ---     ---       8.0     7.9     8.0       8.1     8.1     8.1
 
 MONTH    8.8     8.2     8.5       8.9     8.1     8.5       8.5     7.8     8.1       8.3     7.8     8.1

               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      8.2     8.1     8.1       8.0     7.9     8.0       8.3     8.1     8.2       8.5     8.3     8.4
   2      8.2     8.1     8.2       8.0     7.9     7.9       8.3     8.2     8.2       8.6     8.2     8.4
   3      8.2     8.2     8.2       7.9     7.9     7.9       8.3     8.2     8.3       8.3     7.9     8.1
   4      8.2     8.1     8.2       8.0     7.9     7.9       8.4     8.2     8.3       8.0     8.0     8.0
   5      8.1     7.9     8.0       8.1     7.9     8.0       8.4     8.2     8.3       8.0     8.0     8.0
 
   6      8.0     7.9     7.9       8.1     8.0     8.1       8.4     8.2     8.3       8.2     8.0     8.1
   7      8.0     8.0     8.0       8.0     8.0     8.0       8.6     8.3     8.5       8.3     8.1     8.1
   8      8.1     8.0     8.1       8.1     8.0     8.0       8.6     8.5     8.5       8.4     8.1     8.2
   9      8.1     8.0     8.1       8.1     8.1     8.1       8.7     8.5     8.6       8.3     8.1     8.2
  10      8.1     8.0     8.0       8.1     8.1     8.1       8.7     8.5     8.6       8.4     8.2     8.3
 
  11      8.0     7.8     7.9       8.1     8.0     8.1       8.6     8.4     8.5       8.5     8.3     8.4
  12      7.9     7.8     7.9       8.1     8.0     8.1       8.5     8.3     8.4       8.6     8.4     8.5
  13      8.0     7.8     7.9       8.1     8.1     8.1       8.5     8.3     8.4       8.6     8.4     8.5
  14      7.9     7.8     7.9       8.1     8.1     8.1       8.5     8.4     8.5       8.6     8.4     8.5
  15      8.0     7.9     7.9       8.1     8.0     8.1       8.7     8.4     8.5       8.6     8.4     8.5
 
  16      8.3     7.9     8.2       8.1     8.0     8.1       8.6     8.4     8.5       8.7     8.4     8.5
  17      8.3     8.1     8.2       8.1     8.1     8.1       8.7     8.4     8.5       8.7     8.4     8.5
  18      8.3     8.1     8.2       8.1     8.1     8.1       8.8     8.5     8.6       8.7     8.4     8.5
  19      8.2     8.1     8.2       8.1     8.1     8.1       8.9     8.5     8.6       8.6     8.3     8.4
  20      8.1     8.0     8.1       8.1     8.1     8.1       8.8     8.5     8.6       8.5     8.3     8.4
 
  21      8.3     8.0     8.2       8.1     8.1     8.1       8.7     8.4     8.5       8.6     8.3     8.4
  22      8.3     8.2     8.3       8.2     8.1     8.2       8.7     8.3     8.5       8.6     8.3     8.4
  23      8.2     8.1     8.2       8.2     8.2     8.2       8.7     8.4     8.5       8.6     8.3     8.4
  24      8.2     8.1     8.2       8.3     8.2     8.2       8.6     8.4     8.5       8.7     8.3     8.5
  25      8.2     8.2     8.2       8.3     8.2     8.2       8.6     8.3     8.5       8.4     8.2     8.3
 
  26      8.3     8.1     8.2       8.3     8.2     8.2       8.7     8.3     8.5       8.3     8.1     8.2
  27      8.2     8.1     8.2       8.3     8.2     8.3       8.6     8.3     8.4       8.2     8.1     8.2
  28      8.2     7.9     8.0       8.4     8.2     8.3       8.6     8.2     8.4       8.3     8.1     8.2
  29      ---     ---     ---       8.3     8.2     8.2       8.7     8.3     8.5       8.1     8.0     8.1
  30      ---     ---     ---       8.2     8.0     8.0       8.7     8.3     8.5       8.1     8.0     8.0
  31      ---     ---     ---       8.2     8.0     8.1       ---     ---     ---       8.0     7.9     8.0
 
 MONTH    8.3     7.8     8.1       8.4     7.9     8.1       8.9     8.1     8.5       8.7     7.9     8.3
 
                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      7.9     7.7     7.8       7.8     7.6     7.8       8.8     8.4     8.6       8.8     8.5     8.6
   2      7.7     7.7     7.7       7.6     7.5     7.6       8.6     8.4     8.5       8.7     8.4     8.5
   3      7.8     7.7     7.7       7.6     7.5     7.6       8.6     8.3     8.4       8.6     8.3     8.4
   4      7.8     7.8     7.8       7.6     7.4     7.5       8.7     8.3     8.5       8.5     8.2     8.3
   5      7.8     7.8     7.8       7.6     7.4     7.5       8.7     8.4     8.5       8.8     8.3     8.6
 
   6      7.9     7.8     7.8       7.6     7.5     7.6       8.8     8.4     8.6       8.8     8.5     8.6
   7      7.9     7.9     7.9       7.8     7.6     7.7       8.9     8.5     8.7       8.8     8.4     8.6
   8      8.0     7.9     7.9       8.0     7.7     7.8       8.9     8.5     8.7       8.6     8.2     8.4
   9      8.0     8.0     8.0       8.0     7.9     7.9       8.9     8.4     8.7       8.5     8.2     8.3
  10      8.0     8.0     8.0       8.0     7.8     7.9       8.7     8.3     8.5       8.3     8.0     8.1
 
  11      8.1     8.0     8.1       8.2     7.9     8.0       8.7     8.2     8.4       8.1     7.9     8.0
  12      8.2     8.1     8.1       8.5     8.1     8.2       8.6     8.3     8.4       8.2     7.8     8.0
  13      8.5     8.1     8.3       8.6     7.6     8.4       8.4     8.1     8.2       8.2     7.9     8.0
  14      8.6     8.3     8.4       8.5     8.3     8.4       8.3     7.8     8.0       8.3     8.0     8.1
  15      8.2     8.1     8.2       8.6     8.2     8.4       8.4     8.1     8.2       8.4     8.0     8.1
 
  16      8.2     8.1     8.2       8.6     8.3     8.4       8.5     8.1     8.3       8.4     8.1     8.2
  17      8.2     7.8     8.0       8.6     8.2     8.4       8.4     8.2     8.3       8.4     8.1     8.2
  18      ---     ---     ---       8.6     8.2     8.4       8.3     7.8     8.0       8.4     8.0     8.2
  19      ---     ---     ---       8.6     8.2     8.4       8.0     7.8     7.9       8.6     8.1     8.3
  20      ---     ---     ---       8.7     8.2     8.4       8.1     8.0     8.1       8.6     8.3     8.5
 
  21      ---     ---     ---       8.6     8.3     8.4       8.2     8.0     8.1       8.7     8.3     8.5
  22      ---     ---     ---       8.5     8.2     8.3       8.4     8.1     8.2       8.8     8.4     8.6
  23      ---     ---     ---       8.3     8.1     8.2       8.5     8.2     8.3       8.7     8.4     8.5
  24      ---     ---     ---       8.3     8.0     8.1       8.4     8.2     8.3       8.7     8.3     8.5
  25      ---     ---     ---       8.5     8.1     8.3       8.4     8.2     8.3       8.7     8.4     8.5
 
  26      ---     ---     ---       8.6     8.2     8.4       8.5     8.2     8.3       8.6     8.3     8.5
  27      ---     ---     ---       8.6     8.2     8.3       8.5     8.2     8.4       8.6     8.4     8.5
  28      ---     ---     ---       8.5     8.2     8.3       8.6     8.3     8.4       8.6     8.3     8.4
  29      ---     ---     ---       8.6     8.2     8.4       8.6     8.4     8.5       8.7     8.4     8.5
  30      ---     ---     ---       8.7     8.3     8.5       8.7     8.4     8.5       8.6     8.3     8.5
  31      ---     ---     ---       8.8     8.4     8.5       8.7     8.4     8.6       ---     ---     ---
 
 MONTH    8.6     7.7     8.0       8.8     7.4     8.1       8.9     7.8     8.4       8.8     7.8     8.4
 
 YEAR     8.9     7.4     8.3
 
	        	03271510 GREAT MIAMI RIVER NEAR LINDEN AVENUE AT MIAMISBURG, 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     19.5    17.0    18.0      13.5    11.5    12.5       8.5     6.5     8.0       7.5     7.0     7.5
   2     20.5    18.5    19.5      11.5    10.0    10.5       8.0     6.5     7.0       9.0     7.5     8.0
   3     19.0    17.0    18.0      10.0     8.5     9.5       6.5     5.5     6.0      10.0     9.0     9.5
   4     17.5    15.5    16.5      10.0     8.0     9.0       5.5     5.0     5.5      12.0    10.0    11.0
   5     17.5    14.5    16.0      11.0     9.5    10.0       5.5     5.0     5.0      12.0     9.5    11.0
 
   6     18.0    15.0    16.5      12.0    11.0    11.5       5.5     4.5     5.0       9.5     6.0     8.0
   7     18.5    15.5    17.0      14.5    12.0    13.5       6.0     5.5     5.5       6.0     4.0     5.0
   8     19.0    16.5    17.5      14.0    12.5    13.5       5.5     4.5     5.0       4.0     3.0     3.0
   9     18.0    16.0    17.0      12.5    10.5    11.0       4.5     4.0     4.5       3.0     2.0     2.5
  10     16.0    15.0    15.5      10.5     8.0     9.0       5.5     4.0     5.0       2.0      .5     1.5
 
  11     16.0    14.0    15.0       8.0     6.0     7.0       7.5     5.5     7.0        .5      .5      .5
  12     16.0    13.5    15.0       7.0     5.5     6.0       8.0     7.5     8.0        .5      .5      .5
  13     16.5    14.5    15.5       6.5     5.5     6.0       7.5     6.0     7.0       1.0      .5      .5
  14     18.0    15.5    16.5       6.5     5.0     6.0       6.0     5.5     6.0       1.0      .5     1.0
  15     18.0    16.0    17.0       6.5     4.5     5.5       6.0     5.0     5.5       1.5     1.0     1.0
 
  16     18.5    16.5    17.5       7.0     5.0     6.0       6.5     6.0     6.0       1.5      .5     1.0
  17     19.0    16.5    17.5       8.0     6.5     7.0       6.5     5.5     6.0       1.0      .5      .5
  18     18.5    16.0    17.0       8.5     7.5     8.0       5.5     3.5     4.5       1.0      .5     1.0
  19     16.0    14.5    15.0       8.5     7.5     8.0       3.5     1.5     2.5       1.0     1.0     1.0
  20     14.5    13.0    13.5       8.5     7.5     8.0       1.5      .5     1.0       2.0     1.0     1.0
 
  21     15.0    13.5    14.5       8.0     7.0     7.5       1.0      .5      .5       2.5     1.5     1.5
  22     16.5    14.5    15.5       7.0     6.5     6.5       3.0     1.0     2.0       2.5     2.0     2.0
  23     16.0    13.5    14.5       7.5     5.5     6.5       5.5     3.0     4.0       2.0      .5     1.0
  24     14.5    13.0    13.5       8.0     7.0     7.5       6.0     4.0     5.5       1.5     1.0     1.0
  25     14.0    12.5    13.5       8.0     7.0     8.0       4.0     2.0     3.0       1.5     1.0     1.5
 
  26     14.5    14.0    14.5       7.0     4.5     6.0       2.5     2.0     2.0       1.5     1.0     1.0
  27     16.0    14.5    15.5       4.5     4.0     4.5       4.0     2.5     3.5       2.5     1.5     2.0
  28     17.0    15.5    16.5       4.5     3.5     4.0       7.5     4.0     6.0       2.5     1.0     2.0
  29     16.5    15.5    16.0       4.5     3.5     4.0       8.0     7.5     8.0       1.5      .5     1.0
  30     16.5    15.0    16.0       6.5     4.5     5.5       8.0     7.5     7.5       2.0     1.0     1.5
  31     15.0    13.5    14.0       ---     ---     ---       7.5     7.5     7.5       3.0     1.5     2.0
 
 MONTH   20.5    12.5    16.0      14.5     3.5     8.0       8.5      .5     5.0      12.0      .5     3.0
 
               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1      4.0     3.0     3.5       ---     ---     ---      10.5     9.0    10.0      17.5    15.5    16.0
   2      5.0     4.0     4.5       ---     ---     ---      12.0    10.0    11.0      16.0    13.5    15.0
   3      5.5     4.5     5.0       ---     ---     ---      12.0    11.0    12.0      13.5    13.0    13.5
   4      6.0     5.0     5.5       ---     ---     ---      13.5    11.5    12.5      13.5    12.0    13.0
   5      5.5     3.5     4.5       7.5     7.5     7.5      14.5    13.5    14.0      14.0    12.5    13.5
 
   6      3.5     3.5     3.5       7.5     6.0     6.5      16.0    14.5    15.0      15.5    13.5    14.5
   7      4.5     3.5     4.0       6.0     5.0     5.5      15.0    13.0    14.0      17.0    15.0    16.0
   8      5.0     4.0     4.5       8.0     6.0     7.0      13.5    11.5    12.5      17.0    16.5    16.5
   9      6.5     5.0     5.5       8.0     7.5     7.5      11.5    10.0    11.0      17.0    13.0    15.0
  10      7.5     6.5     7.0       8.5     7.5     8.0      12.0     9.5    10.5      14.5    12.5    13.0
 
  11      7.5     6.0     7.0       9.0     7.5     8.0      13.0    10.5    11.5      16.0    13.5    14.5
  12      8.0     6.5     7.0       9.0     8.0     8.5      14.0    12.0    13.0      17.0    15.0    16.0
  13      6.5     4.0     5.0       9.0     8.0     8.5      12.5    10.5    11.5      17.0    14.0    16.0
  14      7.5     5.5     6.5       8.5     7.5     8.0      12.0    10.0    11.0      16.5    15.0    16.0
  15      7.0     6.0     6.5       7.5     6.0     6.5      13.0    10.5    12.0      15.5    14.0    15.0
 
  16      8.5     3.0     4.0       6.5     5.0     6.0      13.0    12.0    12.5      15.5    13.5    14.5
  17      4.0     3.0     3.5       7.5     6.0     7.0      12.0    10.0    11.0      17.5    14.0    15.5
  18      6.0     3.5     5.0       8.0     7.5     8.0      12.0     9.5    10.5      20.0    16.0    18.0
  19      7.5     6.0     6.5       8.5     7.0     8.0      13.5    11.0    12.0      21.5    19.0    20.0
  20      7.0     6.5     7.0       9.5     8.0     8.5      14.5    12.0    13.0      21.5    19.0    20.0
 
  21      9.0     7.0     8.0      10.0     8.0     9.0      15.0    13.5    14.0      20.5    18.5    19.0
  22      9.0     7.5     8.0      10.0     9.5    10.0      16.5    14.0    14.5      20.5    17.5    19.0
  23      7.5     6.5     6.5      10.0     9.0     9.5      15.5    14.0    14.5      20.5    17.5    19.0
  24      6.5     5.5     5.5       9.5     8.0     9.0      15.0    13.5    14.5      21.5    18.0    19.5
  25      5.5     4.5     5.0      10.0     9.0     9.5      15.5    13.5    14.5      21.0    19.5    20.0
 
  26      6.0     5.0     5.5      11.0    10.0    10.0      16.5    13.5    14.5      19.5    17.5    19.0
  27      8.0     6.0     7.5      12.0    10.0    11.0      15.0    14.5    15.0      18.5    16.5    17.5
  28      7.5     6.5     7.0      12.5    11.5    12.0      16.5    14.0    15.0      18.0    17.0    17.5
  29      ---     ---     ---      13.0    12.5    12.5      18.0    14.0    15.5      17.0    16.5    17.0
  30      ---     ---     ---      12.5    10.5    11.0      19.0    15.0    16.5      17.5    16.5    17.0
  31      ---     ---     ---      10.5     9.5    10.0       ---     ---     ---      17.0    16.5    17.0
 
 MONTH    9.0     3.0     5.5      13.0     5.0     8.5      19.0     9.0    13.0      21.5    12.0    16.5

                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1     16.5    15.0    15.5      25.5    24.0    24.5      26.5    23.0    25.0      25.5    23.0    24.0
   2     16.0    15.0    15.5      25.5    24.0    24.5      25.5    23.5    24.5      26.5    24.0    25.0
   3     16.0    15.5    15.5      25.5    24.0    24.5      27.0    23.5    25.0      25.5    23.0    24.0
   4     16.0    15.0    15.5      24.5    23.0    23.5      27.5    23.5    25.5      23.5    21.0    22.5
   5     17.5    15.5    16.5      23.5    22.0    22.5      27.0    25.0    26.0      23.0    20.0    21.5
 
   6     17.5    16.5    17.0      23.5    22.0    22.5      25.5    23.0    24.5      23.5    21.0    22.0
   7     17.0    16.5    16.5      24.0    22.0    23.0      26.0    22.0    24.0      23.5    21.5    22.5
   8     17.0    16.5    16.5      25.5    22.0    24.0      26.5    22.0    24.5      24.0    22.0    23.0
   9     18.0    16.5    17.0      24.0    22.5    23.5      25.5    23.5    25.0      24.0    22.5    23.0
  10     19.5    18.0    18.5      23.5    21.5    22.5      25.0    23.5    24.0      23.0    22.0    22.5
 
  11     20.5    19.5    20.0      24.5    22.0    23.0      26.0    23.5    24.5      22.0    21.0    21.5
  12     21.0    20.0    20.5      25.5    23.0    24.0      26.0    24.0    25.5      22.5    19.5    21.0
  13     22.0    20.5    21.0      27.0    23.5    25.0      26.5    25.0    23.5      22.5    19.5    21.0
  14     21.5    21.0    21.5      27.0    24.5    25.5      26.5    24.0    25.0      23.0    20.5    22.0
  15     22.0    20.5    21.0      27.0    24.5    25.5      26.5    24.0    25.0      24.0    21.5    22.5
 
  16     21.0    20.5    21.0      28.0    24.5    26.0      28.5    25.0    26.5      24.5    22.0    23.0
  17     21.0    20.5    20.5      29.0    25.0    27.0      27.5    26.0    26.5      23.5    22.5    23.0
  18     22.0    18.0    21.0      29.0    26.0    27.5      26.0    24.0    25.0      24.0    21.0    22.5
  19     23.5    20.0    21.0      28.5    26.0    27.0      24.5    23.5    24.0      23.0    20.5    22.0
  20     25.0    21.5    23.0      28.5    24.5    26.5      23.5    22.0    23.0      23.5    22.0    22.5
 
  21     27.0    23.0    24.5      28.0    25.0    26.5      23.0    21.5    22.0      22.5    20.5    21.5
  22     28.0    23.5    25.5      27.0    25.5    26.0      22.5    20.5    21.5      21.5    17.5    20.0
  23     28.0    25.0    26.0      26.0    24.5    25.5      23.0    20.0    21.0      19.5    16.5    18.0
  24     28.5    25.5    26.5      26.0    24.5    25.0      22.0    20.5    21.0      24.0    17.0    19.5
  25     29.5    26.0    27.0      27.0    24.0    25.5      22.5    20.5    21.5      25.0    14.5    20.0
 
  26     28.0    26.0    26.5      29.0    25.0    26.5      23.5    20.5    22.0      26.5    17.5    22.0
  27     27.5    24.5    26.0      30.0    26.5    28.0      25.0    22.0    23.5      26.5    18.0    22.0
  28     27.5    25.0    26.0      30.0    27.0    28.0      26.0    23.0    24.5      26.0    19.0    22.0
  29     27.5    25.0    26.0      28.0    26.0    27.5      25.0    23.0    24.0      24.0    15.5    19.5
  30      ---     ---     ---      26.5    24.0    25.5      24.5    22.0    23.5      20.0    18.0    19.0
  31      ---     ---     ---      26.5    23.0    24.5      25.0    22.0    23.5       ---     ---     ---
 
 MONTH   29.5    15.0    21.0      30.0    21.5    25.0      28.5    20.0    24.0      26.5    14.5    22.0
 
 YEAR    30.0      .5    14.0
   
	        	03271510 GREAT MIAMI RIVER NEAR LINDEN AVENUE AT MIAMISBURG, 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      9.9     8.7     9.1      12.5     9.4    10.7      11.2    10.5    10.7      12.4    12.1    12.2
   2     10.0     8.4     9.1      13.0     9.7    11.3      11.0    10.4    10.7      12.4    11.9    12.2
   3     10.8     8.5     9.4      13.7    10.2    11.8      11.3    10.9    11.1      12.0    11.4    11.7
   4     11.6     8.7     9.9      13.9    10.3    11.9      11.6    11.3    11.5      11.5    11.1    11.3
   5     12.0     8.9    10.2      13.9    10.0    11.6      11.6    11.4    11.5      11.6    10.9    11.1
 
   6     12.1     9.0    10.3      11.4     9.2    10.2      11.7    11.3    11.5      12.0    11.6    11.9
   7     12.5     8.7    10.3      12.1     9.0     9.8      11.7    11.2    11.4      12.4    12.0    12.2
   8     12.1     8.4    10.0      10.9     8.9     9.6      11.4    11.1    11.2      12.6    12.1    12.3
   9     10.3     8.3     9.2      10.7     8.8     9.7      12.3    11.3    11.8      12.6    11.9    12.2
  10     10.6     8.4     9.5      11.9    10.0    10.8      12.0    11.5    11.7      13.2    12.6    12.8
 
  11     11.8     8.7    10.0      13.3    10.6    11.8      11.5    10.8    11.3      13.4    12.8    13.2
  12     11.7     8.8    10.1      14.3    11.3    12.5      11.1    10.5    10.8      13.7    12.9    13.4
  13     11.7     8.8    10.1      13.8    11.1    12.2      11.2    10.7    10.9      13.2    12.9    13.1
  14     12.4     8.5    10.2      14.9    11.1    12.6      11.6    11.1    11.4      13.1    12.6    12.9
  15     12.3     8.3    10.0      15.1    11.2    12.9      11.8    11.5    11.6      12.7    12.2    12.5
 
  16     12.2     8.1    10.0      15.2    10.9    12.8      11.8    11.1    11.3      13.2    12.2    12.5
  17     12.0     8.1     9.8      12.9    10.5    11.6      12.1    11.2    11.7      13.6    13.2    13.4
  18      9.6     8.1     8.7      13.7    10.0    11.3      12.9    12.1    12.5      13.4    13.0    13.2
  19     10.1     8.1     8.9      13.2     9.5    11.2      13.8    12.8    13.3      13.1    12.0    12.5
  20     10.0     8.5     9.2      14.3     9.9    11.6      14.2    13.6    13.9      12.4    11.9    12.1
 
  21     10.7     8.8     9.5      14.5    10.1    11.8      13.9    13.4    13.7      12.3    11.8    12.0
  22     10.1     8.5     9.2       ---     ---     ---      13.9    13.2    13.6      12.3    11.5    11.9
  23      9.2     8.1     8.7      16.0    10.7    13.1      13.3    12.7    13.0      12.6    11.5    12.1
  24     10.4     8.9     9.6      13.0    10.7    11.7      13.3    12.6    12.9      12.9    12.4    12.6
  25     10.7     8.8     9.7      11.5    10.2    10.8      13.9    13.2    13.6      13.3    12.4    12.8
 
  26      9.9     8.4     9.1      11.2    10.7    10.9      13.8    13.6    13.7      13.0    12.5    12.8
  27     10.1     8.4     9.0      11.6    11.2    11.4      13.7    13.3    13.5      12.8    12.1    12.5
  28     10.4     8.1     9.1      11.9    11.5    11.6      13.5    12.5    13.2      12.7    11.9    12.3
  29     10.2     8.6     9.2      11.8    11.4    11.6      12.5    12.2    12.3      12.4    11.2    11.7
  30     11.0     8.2     9.4      11.6    11.2    11.5      12.5    12.2    12.3      11.9    10.7    11.5
  31     11.9     9.0    10.3       ---     ---     ---       ---     ---     ---      11.9    11.3    11.7
 
 MONTH   12.5     8.1     9.6      16.0     8.8    11.5      14.2    10.4    12.1      13.7    10.7    12.3

               FEBRUARY                   MARCH                     APRIL                       MAY
 
   1     11.8    11.2    11.4       ---     ---     ---       9.8     8.9     9.5      11.3     7.5     8.8
   2     11.5    11.0    11.3       ---     ---     ---      10.7     9.3    10.1      13.5     7.7     9.7
   3     12.1    11.0    11.4       ---     ---     ---      12.6     9.3    10.7       9.5     7.9     8.4
   4     11.6    11.2    11.4       ---     ---     ---      13.6    10.2    11.3       9.7     8.2     8.9
   5     12.9    11.2    11.9       ---     ---     ---      12.3    10.0    10.8       9.3     8.5     8.8
 
   6     12.9    12.1    12.4       ---     ---     ---      12.9     9.6    11.0       9.4     8.2     8.6
   7     12.6    11.6    12.0       ---     ---     ---      15.2     9.8    12.0      10.1     7.9     8.7
   8      ---     ---     ---       ---     ---     ---      15.3    10.1    12.1       8.4     6.5     7.7
   9      ---     ---     ---       ---     ---     ---      16.0    10.3    12.5       9.9     6.2     8.1
  10      ---     ---     ---       ---     ---     ---      14.8    10.1    12.0      12.7     8.6    10.2
 
  11      ---     ---     ---       ---     ---     ---      14.8     9.7    11.7      12.6     8.2    10.1
  12      ---     ---     ---       ---     ---     ---      11.3     9.1    10.1      12.4     7.4     9.4
  13      ---     ---     ---       ---     ---     ---      12.2     9.2    10.5      15.7     6.5    10.8
  14      ---     ---     ---       ---     ---     ---      13.1    10.0    11.3      15.9     9.4    12.2
  15      ---     ---     ---       ---     ---     ---      14.0     9.9    11.4      16.0     9.6    12.5
 
  16     12.7    11.7    12.1       ---     ---     ---      13.5     9.3    11.2      17.0    10.0    13.0
  17     13.8    12.7    13.1       ---     ---     ---      14.1     9.7    11.5      17.8     9.9    13.2
  18     13.8    13.2    13.5       ---     ---     ---      17.2     9.9    12.9      17.3     9.5    12.8
  19     13.2    12.5    12.8       ---     ---     ---      16.1     9.9    12.0      15.5     8.2    11.3
  20     12.5    11.8    12.1       ---     ---     ---      15.5     9.2    11.8      16.0     8.2    11.4
 
  21     12.9    11.7    12.3      11.5    10.6    11.1      13.3     8.9    10.3      16.1     8.6    11.7
  22     12.4    11.8    12.1      12.1    10.7    11.4      14.7     8.4    10.8      15.8     8.5    11.5
  23     12.0    10.2    11.2      12.6    11.5    11.9      12.7     8.0    10.1      16.0     8.3    11.5
  24     10.4     9.7    10.0      12.5    11.0    11.7      11.9     7.9     9.5      17.3     8.2    12.1
  25     10.3     8.9     9.5      11.1    10.0    10.7      16.2     8.0    11.5      12.0     7.3     9.4
 
  26      9.3     8.6     8.9      13.0     9.7    11.1      17.7     9.2    12.7      10.5     7.0     8.6
  27      9.6     8.4     9.0      13.1    10.6    11.6      11.7     8.4     9.9      11.2     8.1     9.4
  28      9.5     8.0     8.4      12.1    10.0    11.0      15.8     8.0    11.2       9.9     8.2     8.9
  29      ---     ---     ---      11.8     9.8    10.7      16.6     8.1    11.8       8.8     7.8     8.3
  30      ---     ---     ---      10.6     9.2     9.7      16.6     8.9    12.0       9.5     7.7     8.4
  31      ---     ---     ---      10.0     8.8     9.6       ---     ---     ---       8.2     7.6     7.9
 
 MONTH   13.8     8.0    11.3      13.1     8.8    11.0      17.7     7.9    11.2      17.8     6.2    10.1
	 
                 JUNE                     JULY                     AUGUST                    SEPTEMBER
 
   1      8.0     7.4     7.6       ---     ---     ---      19.9     7.0    12.2      19.4     6.9    12.7
   2      8.1     7.6     7.9       ---     ---     ---      13.1     6.8     9.9      17.4     6.1    11.3
   3      8.2     8.0     8.1       ---     ---     ---      16.9     6.5    10.7      15.7     6.6    10.5
   4      8.2     8.0     8.1       ---     ---     ---      17.2     6.0    11.0      13.6     6.2    10.0
   5      8.2     8.0     8.1       ---     ---     ---      16.6     6.1    10.7      18.3     6.7    11.9
 
   6      8.1     7.9     8.0       ---     ---     ---      19.6     6.3    12.5      17.4     6.9    12.0
   7      7.9     7.8     7.8       ---     ---     ---      19.9     6.5    13.1      17.0     7.1    11.8
   8      7.9     7.6     7.8       9.2     7.6     8.3      19.6     6.4    13.3       ---     ---     ---
   9      8.3     7.7     8.0       8.3     7.3     7.8      18.9     6.5    12.7      11.7     6.2     9.0
  10      8.5     7.6     8.0       9.6     7.7     8.6      15.5     6.4    10.8      10.0     6.6     8.2
 
  11      8.8     7.6     8.1      11.2     7.7     9.2      16.3     5.7    10.6       9.8     7.0     8.1
  12      9.3     7.4     8.3      12.7     8.0     9.9      13.8     5.7    10.0      12.4     7.3     9.2
  13      ---     ---     ---      14.2     7.9    10.5       9.4     6.5     7.8      13.0     7.2     9.9
  14     10.7     7.7     9.0      13.1     7.7     9.8      11.3     6.2     8.4      13.8     7.2    10.2
  15     10.4     7.7     8.9      13.6     7.1     9.9      11.5     5.7     8.3      15.1     6.8    10.4
 
  16      9.6     7.6     8.5      14.9     7.3    10.4      13.3     6.2     9.3      15.7     6.8    10.7
  17      8.5     7.1     7.8      17.3     6.8    10.7      11.5     6.1     8.4      13.6     6.5     9.6
  18      8.7     7.1     7.8      17.1     6.5    10.5       7.7     6.8     7.3      15.7     6.9    10.8
  19      9.3     7.7     8.4      14.6     6.4     9.8       8.1     6.8     7.4      17.2     6.9    11.8
  20      8.6     6.8     7.8      15.8     6.4    10.4       8.1     7.2     7.6      14.5     6.9    10.8
 
  21     10.2     7.4     8.5      15.2     6.2    10.3       9.8     7.4     8.4      17.1     7.2    11.6
  22     11.6     7.1     9.0      12.8     6.4     9.0      11.2     7.7     9.1      17.0     7.4    11.9
  23     12.8     7.5     9.6       9.5     5.8     7.8      12.8     7.9     9.8      13.7     7.3    10.5
  24     12.8     7.7    10.0       9.9     6.6     7.9      11.6     7.8     9.3      15.1     7.4    11.0
  25     13.4     7.5    10.1      13.3     6.8     9.4      12.5     7.5     9.6      15.7     7.5    11.4
 
  26     12.0     7.2     9.2      15.1     6.9    10.2      13.8     7.6    10.2      14.6     7.3    10.8
  27     12.9     7.3     9.7      14.7     6.4     9.5      15.3     7.3    10.6      14.9     7.2    10.9
  28     13.5     7.4    10.0      12.3     6.2     8.7      16.9     6.8    11.1      14.0     7.0    10.5
  29     13.3     7.4     9.8      14.4     6.9    10.0      16.6     6.6    11.1      13.9     6.7    10.4
  30      ---     ---     ---      16.6     6.4    10.7      17.4     6.8    11.4      14.0     6.5    10.1
  31      ---     ---     ---      17.2     6.6    11.2      17.5     6.7    11.9       ---     ---     ---
 
 MONTH   13.5     6.8     8.6      17.3     5.8     9.6      19.9     5.7    10.1      19.4     6.1    10.6
 
 YEAR    19.9     5.7    10.7


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