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RED RIVER OF THE NORTH BASIN
05114000 SOURIS (MOUSE) RIVER NEAR SHERWOOD, ND
(International gaging station)
LOCATION.--Lat 48°59'24", long 101°57'28", in NW1/4SE1/4NE1/4 sec.33, T.164 N., R.87 W., Renville County, Hydrologic Unit
09010001, on right bank 0.8 mi downstream from international boundary, 16 mi northwest of Sherwood, and at mile 511.4.
DRAINAGE AREA.--8,940 mi2, approximately, of which about 5,900 mi2 is probably noncontributing.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--March 1930 to current year. Monthly discharge only for some periods, published in WSP 1308.
REVISED RECORDS.--WSP 1308: 1934, 1945. WSP 2113: Drainage area.
GAGE.--Water-stage recorder and concrete control. Datum of gage is 1,603.73 ft above sea level. Prior to Apr. 8, 1935,
nonrecording gage at same site and datum.
REMARKS.--Records good except for period of estimated discharge, which are fair. Flow is regulated by reservoirs in Canada
(Boundary Reservoir, 48,990 acre-ft - 1958; Rafferty Reservoir, 356,400 acre-ft - 1991; and Alameda Reservoir, 85,560 ac-ft -
1992). Total reservoir capacity is about 490,000 acre-ft. Some diversions for irrigation and municipal supply.
COOPERATION.--This station is one of the international gaging stations maintained by the United States under agreement with
Canada.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in 1927 reached a stage of about 22 ft and flood in 1904 reached a stage of about 25.8
ft from information by local residents.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 39 14 12 e6.0 e4.8 e12 14 10 13 117 35 6.5
2 33 13 12 e6.0 e5.0 e13 15 11 13 107 34 6.5
3 30 14 12 e5.6 e4.8 e15 15 10 13 102 33 6.6
4 28 14 e11 e5.5 e4.6 e17 15 9.9 13 102 32 6.9
5 26 14 e11 e5.3 e4.5 e21 16 10 13 101 31 6.9
6 24 14 e11 e5.3 e4.5 e24 15 10 13 100 31 6.6
7 23 14 e11 e5.4 e4.4 29 14 9.4 13 98 32 5.9
8 22 14 e11 e5.6 e4.5 29 14 9.1 12 95 33 5.8
9 20 14 e10 e5.6 e4.5 19 13 8.9 12 79 31 5.6
10 19 14 e10 e5.6 e4.6 23 13 8.8 12 78 27 5.7
11 18 14 e10 e5.3 e4.5 20 13 9.1 12 87 23 5.1
12 17 14 e10 e5.0 e4.4 20 14 10 11 94 20 4.4
13 17 14 e9.5 e5.0 e4.4 19 13 14 11 98 17 4.1
14 17 14 e8.0 e5.0 e4.3 18 13 14 10 99 14 4.3
15 17 14 e7.0 e5.0 e4.3 18 13 15 10 101 12 3.5
16 17 14 e6.0 e5.0 e4.3 17 13 15 12 104 13 3.5
17 16 16 e6.0 e5.0 e4.3 16 13 14 13 106 13 3.3
18 16 17 e6.0 e4.8 e4.3 15 13 13 13 107 13 3.2
19 16 17 e6.0 e4.5 e4.2 15 13 16 13 106 12 2.9
20 16 16 e5.4 e4.5 e4.2 15 13 20 13 103 12 3.0
21 16 15 e4.5 e4.5 e4.4 15 13 21 13 93 11 3.4
22 15 15 e4.7 e4.5 e4.8 15 13 20 25 81 11 3.7
23 15 15 e5.0 e4.5 e5.1 15 12 19 35 70 11 3.6
24 15 14 e5.0 e4.5 e5.3 15 11 19 36 61 12 3.7
25 15 14 e5.0 e4.3 e5.8 16 11 18 36 54 11 4.0
26 14 13 e5.0 e4.4 e7.5 15 11 18 35 49 10 6.7
27 14 13 e5.0 e4.4 e9.0 15 11 18 34 45 9.5 8.7
28 14 13 e5.0 e4.5 e10 13 11 18 34 42 8.5 8.6
29 14 12 e5.0 e4.6 e11 12 11 18 82 40 7.8 8.2
30 14 12 e5.5 e4.6 --- 13 11 16 117 38 7.5 8.1
31 14 --- e6.0 e4.6 --- 14 --- 14 --- 36 6.7 ---
TOTAL 591 425 240.6 154.4 152.3 533 390 436.2 692 2593 574.0 159.0
MEAN 19.1 14.2 7.76 4.98 5.25 17.2 13.0 14.1 23.1 83.6 18.5 5.30
MAX 39 17 12 6.0 11 29 16 21 117 117 35 8.7
MIN 14 12 4.5 4.3 4.2 12 11 8.8 10 36 6.7 2.9
AC-FT 1170 843 477 306 302 1060 774 865 1370 5140 1140 315
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 2000, BY WATER YEAR (WY)
MEAN 12.8 9.13 4.72 3.02 5.36 128 689 405 126 84.1 26.3 15.4
MAX 121 65.4 47.7 44.5 143 1148 6739 3995 954 1050 324 173
(WY) 1994 1955 1976 1976 1981 1972 1976 1975 1953 1953 1999 1999
MIN .000 .000 .000 .000 .000 .000 1.82 2.63 .17 .000 .000 .000
(WY) 1932 1935 1932 1931 1931 1936 1988 1988 1988 1937 1931 1931
SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1930 - 2000
ANNUAL TOTAL 136721.0 6940.5
ANNUAL MEAN 375 19.0 127
HIGHEST ANNUAL MEAN 878 1976
LOWEST ANNUAL MEAN .62 1988
HIGHEST DAILY MEAN 2460 Apr 9 117 Jun 30 13700 Apr 10 1976
LOWEST DAILY MEAN 2.0 Jan 14 2.9 Sep 19 .00 Sep 4 1930
ANNUAL SEVEN-DAY MINIMUM 2.1 Jan 13 3.3 Sep 15 .00 Sep 4 1930
INSTANTANEOUS PEAK FLOW 118 Jun 30 14800 Apr 10 1976
INSTANTANEOUS PEAK STAGE 3.20 Jun 30 25.15 Apr 10 1976
ANNUAL RUNOFF (AC-FT) 271200 13770 91750
10 PERCENT EXCEEDS 1480 35 217
50 PERCENT EXCEEDS 166 13 6.0
90 PERCENT EXCEEDS 3.5 4.5 .00
e Estimated
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1970, 1972 to current year.
REMARKS.-- Quality assurance samples also collected at this location.
PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: August 1983 to current year.
SPECIFIC CONDUCTANCE: August 1983 to current year.
PH: August 1992 to current year.
DISSOLVED OXYGEN: May 1993 to current year.
INSTRUMENTATION.--Water-quality monitor since August 1983.
REMARKS.--Records fair.
EXTREMES FOR PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: Maximum, 29.5°C, July 10, 1998; minimum, 0.0°C, several days during winter months each year.
SPECIFIC CONDUCTANCE: Maximum, 3,490 microsiemens, Apr. 28, 1991; minimum, 94 microsiemens, Apr. 5, 1990.
PH: Maximum, 10.4 units, Oct. 19, 1995; minimum, 7.3 units, Jan. 16-23, 2000.
DISSOLVED OXYGEN: Maximum, 19.6 mg/L, Mar. 16-21, 2000; minimum, 1.3 mg/L, Jan. 27, 2000.
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURE: Maximum, 28.8°C, July 30; minimum, 0.2°C, several days during the winter.
SPECIFIC CONDUCTANCE: Maximum, 2,130 microsiemens, Aug. 12 and 13; minimum, 1,070 microsiemens, July 7.
PH: Maximum, 8.6 units, May 12-14 and July 1 and 2; minimum, 7.3 units, Jan. 16-23.
DISSOLVED OXYGEN: Maximum, 19.6 mg/L, Mar. 16-21; minimum, 1.3 mg/L, Jan. 27.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DIS- DIS- BARO- OXYGEN, PH PH SPE-
CHARGE, CHARGE, METRIC DIS- WATER WATER CIFIC SPE-
IN INST. PRES- SOLVED WHOLE WHOLE CON- CIFIC
CUBIC CUBIC SURE (PER- OXYGEN, FIELD LAB DUCT- CON- TEMPER- TEMPER-
FEET FEET (MM CENT DIS- (STAND- (STAND- ANCE DUCT- ATURE ATURE
DATE TIME PER PER OF SATUR- SOLVED ARD ARD LAB ANCE AIR WATER
SECOND SECOND HG) ATION) (MG/L) UNITS) UNITS) (US/CM) (US/CM) (DEG C) (DEG C)
(00060) (00061) (00025) (00301) (00300) (00400) (00403) (90095) (00095) (00020) (00010)
OCT
27... 1445 -- 14 722 106 12.7 8.1 8.2 1230 1260 8.0 5.2
NOV
16... 1555 -- 14 -- -- 12.5 8.2 8.1 1230 1260 -- 2.9
JAN
06... 1700 -- 5.3 -- -- 4.5 7.4 -- -- 1610 -16.0 .1
12... 1245 5.0 -- -- -- 2.6 7.4 -- -- 1570 -- .0
FEB
23... 1445 -- 5.1 -- -- 3.7 7.5 7.7 1540 1550 9.0 .1
MAR
01... 1705 12 -- -- -- 10.9 7.7 -- -- 1300 -- .1
28... 1610 -- 13 -- -- 13.8 8.3 8.3 1500 1500 -- 5.3
APR
19... 1505 -- 13 -- -- 12.2 8.4 8.1 1490 1460 13.0 10.1
MAY
17... 1545 -- 15 -- -- 10.7 8.4 8.2 1460 1450 13.0 16.0
JUN
26... 1530 -- 35 -- -- 9.9 8.3 -- -- 1530 -- 19.1
JUL
07... 1230 -- 93 712 72 5.7 8.2 8.2 970 992 25.5 23.5
25... 1635 -- 54 -- -- 7.2 8.3 -- -- 1480 -- 24.6
AUG
08... 1430 -- 34 -- -- 7.3 8.4 -- -- 1810 23.5 22.8
15... 1515 -- 12 -- -- -- -- -- -- 2060 24.5 21.5
22... 1715 -- 9.9 -- -- 6.9 8.3 -- -- 1960 25.7 19.7
SEP
06... 1210 -- 6.6 -- -- -- 8.3 8.3 1930 1960 -- --
ANC NITRO- NITRO- NITRO-
HARD- MAGNE- SODIUM UNFLTRD CHLO- FLUO- GEN,AM- GEN, GEN,
NESS CALCIUM SIUM, AD- SODIUM, TIT 4.5 RIDE, RIDE, SULFATE MONIA + AMMONIA NO2+NO3
TOTAL DIS- DIS- SORP- DIS- LAB DIS- DIS- DIS- ORGANIC DIS- DIS-
(MG/L SOLVED SOLVED TION SOLVED (MG/L SOLVED SOLVED SOLVED TOTAL SOLVED SOLVED
DATE AS (MG/L (MG/L RATIO (MG/L AS (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L
CACO3) AS CA) AS MG) AS NA) CACO3) AS CL) AS F) AS SO4) AS N) AS N) AS N)
(00900) (00915) (00925) (00931) (00930) (90410) (00940) (00950) (00945) (00625) (00608) (00631)
OCT
27... 400 83.9 45.2 3 115 355 82.0 .1 207 .83 <.020 <.050
NOV
16... 410 92.7 43.9 2 113 346 84.2 .2 198 1.3 <.020 <.050
JAN
06... -- -- -- -- -- -- -- -- -- -- -- --
12... -- -- -- -- -- -- -- -- -- -- -- --
FEB
23... 460 105 47.5 3 148 470 89.0 .2 240 1.8 .951 .414
MAR
01... -- -- -- -- -- -- -- -- -- -- -- --
28... 320 64.7 38.0 5 196 406 59.8 .2 314 .83 <.020 <.050
APR
19... 320 60.5 40.3 5 196 376 71.8 .2 300 -- -- --
MAY
17... 370 73.4 46.4 4 186 393 69.2 .2 304 1.2 <.020 <.050
JUN
26... -- -- -- -- -- -- -- -- -- -- -- --
JUL
07... 290 51.2 39.8 3 103 274 19.9 .1 221 1.4 .167 .085
25... -- -- -- -- -- -- -- -- -- -- -- --
AUG
08... -- -- -- -- -- -- -- -- -- 1.3 <.020 <.050
15... -- -- -- -- -- -- -- -- -- -- -- --
22... -- -- -- -- -- -- -- -- -- -- -- --
SEP
06... 370 71.4 46.2 7 319 456 59.5 .2 508 1.5 .118 .096
SOLIDS, COLI- CHLOR-A CHLOR-B ALUM- BERYL-
NITRO- RESIDUE FORM, PHYTO- PHYTO- INUM, BARIUM, LIUM,
GEN, NITRO- PHOS- CARBON, AT 180 FECAL, PLANK- PLANK- TOTAL TOTAL TOTAL
ORGANIC GEN, PHORUS ORGANIC DEG. C 0.7 TON TON RECOV- ARSENIC RECOV- RECOV-
TOTAL TOTAL TOTAL TOTAL DIS- UM-MF CHROMO CHROMO ERABLE TOTAL ERABLE ERABLE
DATE (MG/L (MG/L (MG/L (MG/L SOLVED (COLS./ FLUOROM FLUOROM (UG/L (UG/L (UG/L (UG/L
AS N) AS N) AS P) AS C) (MG/L) 100 ML) (UG/L) (UG/L) AS AL) AS AS) AS BA) AS BE)
(00605) (00600) (00665) (00680) (70300) (31625) (70953) (70954) (01105) (01002) (01007) (01012)
OCT
27... -- -- .088 14 752 100 -- -- 64 <3 88.8 <5
NOV
16... -- -- .085 19 748 K8 -- -- 49 E2 88.8 <5
JAN
06... -- -- -- -- -- -- -- -- -- -- -- --
12... -- -- -- -- -- -- -- -- -- -- -- --
FEB
23... .87 2.2 .082 11 984 42 -- -- 37 <3 108 <5
MAR
01... -- -- -- -- -- -- -- -- -- -- -- --
28... -- -- .064 13 978 <2 1.1 .3 66 E2 68.0 <5
APR
19... -- -- -- -- 940 K9 20.7 .8 87 E2 66.2 <5
MAY
17... -- -- .206 14 940 64 8.3 .7 148 4 79.8 <5
JUN
26... -- -- -- -- -- -- -- -- -- -- -- --
JUL
07... 1.3 1.5 .263 19 658 420 10.6 .6 645 6 83.5 <5
25... -- -- -- -- -- -- -- -- -- -- -- --
AUG
08... -- -- .377 20 -- K380 9.7 .3 -- -- -- --
15... -- -- -- -- -- -- -- -- -- -- -- --
22... -- -- -- -- -- -- -- -- -- -- -- --
SEP
06... 1.4 1.6 .385 19 1350 680 1.8 <.1 158 10 81.5 <5
CHRO- MOLYB-
BORON, CADMIUM MIUM, COBALT, COPPER, IRON, LEAD, DENUM, NICKEL, ZINC,
TOTAL WATER TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL SELE- TOTAL
RECOV- UNFLTRD RECOV- RECOV- RECOV- RECOV- RECOV- RECOV- RECOV- NIUM, RECOV-
ERABLE TOTAL ERABLE ERABLE ERABLE ERABLE ERABLE ERABLE ERABLE TOTAL ERABLE
DATE (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L
AS B) AS CD) AS CR) AS CO) AS CU) AS FE) AS PB) AS MO) AS NI) AS SE) AS ZN)
(01022) (01027) (01034) (01037) (01042) (01045) (01051) (01062) (01067) (01147) (01092)
OCT
27... 187 <.1 <1 <2 2 440 <1 2 2 <3 <31
NOV
16... 177 E.1 <1 <2 1 570 <1 3 2 <3 <31
JAN
06... -- -- -- -- -- -- -- -- -- -- --
12... -- -- -- -- -- -- -- -- -- -- --
FEB
23... 252 <.1 <1 <2 1 310 <1 3 4 <3 <31
MAR
01... -- -- -- -- -- -- -- -- -- -- --
28... 241 <.1 <1 <2 1 490 <1 2 2 <3 <31
APR
19... 234 <.1 <1 <2 2 620 <1 2 3 <3 <31
MAY
17... 246 <.1 <1 <2 2 520 <1 2 3 <3 <31
JUN
26... -- -- -- -- -- -- -- -- -- -- --
JUL
07... 119 <.1 E1 <2 3 1610 1 2 4 <3 <31
25... -- -- -- -- -- -- -- -- -- -- --
AUG
08... -- -- -- -- -- -- -- -- -- -- --
15... -- -- -- -- -- -- -- -- -- -- --
22... -- -- -- -- -- -- -- -- -- -- --
SEP
06... 270 E.1 <1 <2 4 430 E1 3 3 <3 <31
TEMPERATURE, WATER (DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 --- --- --- 6.6 3.7 5.0 .5 .2 .3 .2 .2 .2
2 --- --- --- 3.7 2.0 2.7 .6 .3 .4 .2 .2 .2
3 --- --- --- 2.9 1.6 2.3 .6 .2 .4 .2 .2 .2
4 --- --- --- 4.0 2.0 2.8 .5 .2 .3 .2 .2 .2
5 --- --- --- 3.7 1.7 2.4 .5 .2 .3 .2 .2 .2
6 --- --- --- 3.0 1.5 2.2 .5 .2 .3 .2 .2 .2
7 --- --- --- 3.8 2.1 2.9 .5 .2 .3 .2 .2 .2
8 --- --- --- 3.8 2.5 3.1 .4 .2 .3 .2 .2 .2
9 --- --- --- 3.4 3.0 3.2 .4 .2 .3 .2 .2 .2
10 --- --- --- 3.8 2.7 3.2 .4 .2 .3 .2 .2 .2
11 --- --- --- 4.3 3.1 3.6 .4 .2 .3 .2 .2 .2
12 --- --- --- 4.6 2.9 3.7 .3 .2 .2 .2 .2 .2
13 --- --- --- 5.3 4.6 5.0 --- --- --- .2 .2 .2
14 --- --- --- 4.7 3.4 4.0 .4 .2 .3 .2 .2 .2
15 --- --- --- 4.1 3.0 3.6 .4 .2 .2 .2 .2 .2
16 --- --- --- 3.5 2.5 2.9 .2 .2 .2 .2 .2 .2
17 --- --- --- 2.6 1.6 2.2 .2 .2 .2 .2 .2 .2
18 --- --- --- 2.5 1.0 1.7 .2 .2 .2 .2 .2 .2
19 --- --- --- 1.6 .8 1.1 .2 .2 .2 .2 .2 .2
20 --- --- --- 1.5 .6 1.0 .2 .2 .2 .2 .2 .2
21 --- --- --- 1.3 .5 .9 .2 .2 .2 .2 .2 .2
22 --- --- --- .9 .2 .5 .2 .2 .2 .2 .2 .2
23 --- --- --- .6 .2 .3 .2 .2 .2 .2 .2 .2
24 --- --- --- .6 .2 .4 .2 .2 .2 .2 .2 .2
25 --- --- --- .5 .2 .3 .2 .2 .2 .2 .2 .2
26 --- --- --- .5 .2 .3 .3 .2 .2 .2 .2 .2
27 --- --- --- .4 .2 .3 .3 .2 .2 .2 .2 .2
28 5.2 3.3 4.0 .5 .2 .3 .4 .2 .2 .2 .2 .2
29 5.9 4.0 4.8 .5 .2 .3 .3 .2 .2 .2 .2 .2
30 5.7 4.2 5.0 .5 .2 .3 .3 .2 .2 .2 .2 .2
31 6.9 4.6 5.6 --- --- --- .3 .2 .2 .2 .2 .2
MONTH --- --- --- 6.6 .2 2.1 --- --- --- .2 .2 .2
TEMPERATURE, WATER (DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
FEBRUARY MARCH APRIL MAY
1 .2 .2 .2 --- --- --- 7.8 5.1 6.5 17.5 12.7 14.9
2 .2 .2 .2 .4 .2 .2 7.3 5.9 6.6 19.7 14.1 16.7
3 .2 .2 .2 .5 .2 .2 6.7 4.2 5.5 20.0 16.0 18.0
4 .2 .2 .2 .5 .2 .2 8.9 4.3 6.3 19.0 15.9 17.6
5 .2 .2 .2 .6 .2 .3 8.8 5.2 7.3 18.4 16.0 16.9
6 .2 .2 .2 .6 .2 .3 5.3 3.1 4.3 19.7 15.4 17.3
7 .2 .2 .2 .8 .2 .4 5.9 4.7 5.2 18.9 16.8 17.8
8 .2 .2 .2 .6 .1 .3 7.9 3.8 5.7 17.7 14.4 16.2
9 .2 .2 .2 .5 .1 .2 7.2 4.9 6.0 16.8 13.7 14.5
10 .2 .2 .2 .7 .2 .3 5.8 2.8 4.1 17.1 12.6 14.6
11 .2 .2 .2 .7 .2 .3 7.0 2.1 4.2 16.7 11.6 13.7
12 .2 .2 .2 .5 .2 .3 7.0 4.5 5.7 11.6 7.8 9.1
13 .2 .2 .2 .3 .2 .2 6.7 5.3 6.1 12.5 7.5 9.7
14 .2 .2 .2 .3 .2 .2 6.5 3.4 4.8 14.7 9.7 12.0
15 .2 .2 .2 .5 .2 .2 8.2 4.7 6.2 13.9 11.7 12.3
16 .2 .2 .2 .6 .2 .3 8.5 4.7 6.5 15.6 10.4 12.5
17 .2 .2 .2 .4 .2 .2 10.7 6.1 8.0 17.4 13.6 15.3
18 .2 .2 .2 1.0 .2 .4 12.5 8.4 10.3 17.0 12.6 14.8
19 .2 .2 .2 .7 .2 .4 12.2 8.2 10.2 18.1 14.2 16.0
20 .2 .2 .2 1.7 .3 .8 13.4 8.6 10.8 19.1 15.4 17.2
21 .2 .2 .2 3.2 .6 1.8 16.0 11.0 13.1 19.8 16.9 18.2
22 .2 .2 .2 4.4 1.4 2.8 16.8 12.6 14.5 19.3 17.0 18.2
23 .3 .2 .2 5.0 2.3 3.6 16.4 12.8 14.6 18.5 16.1 17.4
24 .2 .2 .2 5.0 3.5 4.3 16.8 13.8 15.1 18.3 14.1 16.3
25 .2 .2 .2 5.5 1.8 3.6 18.0 14.3 16.0 19.6 14.7 17.0
26 .4 .2 .2 6.1 4.1 5.1 16.7 14.1 14.8 19.0 16.5 17.8
27 .4 .2 .2 6.1 3.3 4.8 16.6 12.7 14.4 21.3 16.0 18.2
28 .4 .2 .2 6.2 3.4 4.8 16.8 13.2 14.9 21.8 18.5 20.2
29 --- --- --- 6.3 4.4 5.3 15.4 12.8 13.4 20.9 17.4 19.0
30 --- --- --- 6.7 4.8 5.7 16.3 11.2 13.5 21.1 16.8 18.9
31 --- --- --- 7.7 5.3 6.4 --- --- --- 20.0 16.1 18.0
MONTH --- --- --- --- --- --- 18.0 2.1 9.2 21.8 7.5 16.0
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
JUNE JULY AUGUST SEPTEMBER
1 18.5 15.2 16.4 26.4 22.1 24.0 27.7 23.9 26.0 17.1 14.5 15.3
2 18.6 13.0 15.4 25.0 21.6 22.8 26.9 21.3 22.5 14.5 13.8 14.1
3 18.1 15.7 16.8 22.5 20.6 21.6 24.5 21.6 22.8 15.7 14.0 14.6
4 19.5 13.8 16.1 21.9 20.6 21.1 --- --- --- 15.6 14.8 15.1
5 22.0 16.8 19.1 23.8 19.5 21.3 24.9 22.7 23.5 17.2 15.1 15.6
6 21.1 18.1 19.6 24.6 22.0 23.1 24.5 20.7 22.5 17.2 16.6 16.9
7 24.3 18.8 21.1 26.7 22.6 24.3 24.3 21.3 22.8 17.5 14.6 16.1
8 23.6 20.5 21.7 27.8 23.7 25.4 24.6 20.8 22.7 18.6 14.9 16.6
9 21.7 17.6 19.0 26.8 23.7 24.5 25.4 20.4 22.9 18.2 16.2 17.0
10 18.1 15.8 16.8 26.1 22.7 24.1 25.9 22.3 24.1 16.3 13.9 15.3
11 20.6 16.0 17.8 --- --- --- 28.2 24.1 25.8 16.3 14.3 15.3
12 20.2 17.7 18.5 --- --- --- 27.5 23.9 25.6 16.3 13.8 14.9
13 18.4 16.7 17.2 --- --- --- 25.4 21.4 22.9 16.9 15.3 15.9
14 20.4 15.6 17.7 --- --- --- 23.8 21.4 22.5 16.8 13.8 15.3
15 19.9 17.5 18.2 --- --- --- 22.9 19.4 21.2 16.4 13.6 15.0
16 17.5 15.2 16.3 --- --- --- 22.2 19.5 20.8 18.4 14.5 16.0
17 18.2 15.3 16.6 --- --- --- 21.8 18.7 20.4 18.4 15.1 16.6
18 20.4 15.3 17.5 --- --- --- 21.3 18.5 19.7 18.1 16.2 16.8
19 19.9 17.7 18.6 --- --- --- 19.8 17.7 18.3 16.2 13.7 14.6
20 18.8 17.2 18.0 --- --- --- --- --- --- 13.7 11.9 12.5
21 19.5 16.3 17.7 --- --- --- --- --- --- 11.9 10.6 11.0
22 21.1 16.8 18.7 --- --- --- --- --- --- 11.1 9.8 10.3
23 22.7 17.2 19.8 --- --- --- 22.1 17.9 19.9 9.9 7.8 8.8
24 21.8 17.5 19.8 --- --- --- 22.3 19.0 20.7 10.1 7.2 8.4
25 22.2 18.0 20.1 --- --- --- 22.6 20.1 21.3 11.8 8.7 9.9
26 24.7 17.4 19.5 26.9 22.7 24.9 23.8 20.4 21.9 11.5 9.6 10.5
27 20.9 16.6 18.8 26.6 23.5 24.8 --- --- --- 12.6 9.1 10.5
28 22.4 17.0 19.6 27.8 22.6 24.9 22.3 19.2 20.3 13.6 9.6 11.6
29 23.2 19.0 20.8 28.4 24.2 26.3 19.9 16.7 18.5 14.2 10.8 12.5
30 25.0 20.6 22.6 28.8 25.1 27.0 19.6 17.1 17.9 14.8 11.7 13.3
31 --- --- --- 28.1 22.1 24.0 17.5 14.9 16.4 --- --- ---
MONTH 25.0 13.0 18.5 --- --- --- --- --- --- 18.6 7.2 13.9
SPECIFIC CONDUCTANCE (MICROSIEMENS/CM AT 25 DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 --- --- --- 1290 1280 1290 1330 1320 1330 1600 1540 1580
2 --- --- --- 1290 1280 1280 1340 1320 1330 1620 1580 1600
3 --- --- --- 1280 1280 1280 1350 1320 1340 1620 1600 1610
4 --- --- --- 1290 1270 1280 1370 1340 1350 1620 1590 1600
5 --- --- --- 1300 1270 1280 1390 1370 1380 1620 1610 1620
6 --- --- --- 1280 1270 1280 1370 1350 1360 1630 1600 1610
7 --- --- --- 1280 1260 1270 1380 1360 1370 1620 1600 1610
8 --- --- --- 1270 1260 1260 1370 1360 1370 1600 1590 1600
9 --- --- --- 1280 1270 1270 1400 1370 1390 1600 1580 1590
10 --- --- --- 1270 1270 1270 1420 1380 1410 1580 1560 1570
11 --- --- --- 1270 1260 1260 1450 1420 1440 1570 1560 1560
12 --- --- --- 1270 1260 1260 1440 1430 1440 1570 1560 1570
13 --- --- --- 1270 1270 1270 --- --- --- 1570 1530 1550
14 --- --- --- 1270 1260 1270 1460 1420 1440 1530 1510 1520
15 --- --- --- 1260 1260 1260 1530 1450 1500 1510 1500 1500
16 --- --- --- 1260 1260 1260 1560 1510 1540 1500 1500 1500
17 --- --- --- 1260 1260 1260 1560 1520 1550 1500 1500 1500
18 --- --- --- 1280 1260 1270 1560 1540 1550 1500 1490 1490
19 --- --- --- 1290 1280 1280 1560 1530 1550 1490 1480 1490
20 --- --- --- 1280 1280 1280 1630 1560 1600 1490 1480 1490
21 --- --- --- 1290 1280 1280 1650 1610 1640 1490 1480 1490
22 --- --- --- 1300 1280 1290 1650 1630 1650 1480 1480 1480
23 --- --- --- 1310 1300 1300 1640 1610 1620 1500 1480 1490
24 --- --- --- 1320 1310 1320 1630 1570 1610 1500 1500 1500
25 --- --- --- 1320 1310 1320 1640 1580 1630 1510 1500 1500
26 --- --- --- 1340 1310 1330 1650 1630 1640 1510 1510 1510
27 --- --- --- 1360 1340 1350 1640 1590 1620 1520 1510 1510
28 1270 1270 1270 1360 1350 1350 1610 1570 1590 1520 1510 1510
29 1280 1270 1280 1380 1360 1360 1580 1540 1560 1520 1520 1520
30 1280 1270 1280 1360 1330 1340 1550 1530 1540 1520 1510 1510
31 1290 1280 1290 --- --- --- 1560 1540 1550 1510 1500 1500
MONTH --- --- --- 1380 1260 1290 --- --- --- 1630 1480 1540
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
FEBRUARY MARCH APRIL MAY
1 1510 1500 1500 --- --- --- 1410 1380 1400 1480 1450 1470
2 1500 1500 1500 1330 1210 1270 1380 1310 1350 1500 1480 1490
3 1500 1500 1500 1260 1220 1250 1310 1290 1300 1530 1490 1510
4 1510 1500 1510 1280 1180 1240 1300 1280 1290 1550 1510 1530
5 1520 1510 1520 1210 1130 1180 1320 1300 1310 1570 1540 1550
6 1540 1520 1530 1190 1130 1170 1330 1310 1320 1570 1560 1560
7 1550 1540 1540 1200 1160 1180 1340 1330 1340 1590 1560 1580
8 1560 1550 1550 1230 1180 1220 1360 1340 1350 1590 1570 1580
9 1550 1550 1550 1270 1230 1260 1380 1360 1370 1600 1560 1580
10 1550 1550 1550 1310 1270 1290 1370 1330 1350 1580 1540 1570
11 1560 1550 1560 1390 1280 1350 1420 1350 1390 1540 1360 1450
12 1560 1550 1560 1430 1340 1390 1430 1420 1430 1420 1350 1370
13 1550 1550 1550 1420 1370 1400 1470 1430 1440 1490 1420 1460
14 1550 1540 1540 1420 1370 1400 1610 1470 1530 1500 1470 1480
15 1550 1540 1550 1410 1400 1410 1630 1600 1620 1500 1460 1480
16 1560 1550 1550 1460 1400 1440 1600 1590 1600 1470 1440 1450
17 1570 1560 1560 1510 1430 1470 1600 1540 1580 1460 1420 1440
18 1580 1570 1570 1530 1470 1500 1540 1460 1500 1470 1440 1450
19 1590 1580 1590 1530 1480 1510 1480 1460 1470 1490 1470 1480
20 1590 1590 1590 1520 1460 1500 1500 1460 1480 1500 1490 1490
21 1590 1580 1590 1520 1460 1500 1570 1500 1540 1520 1500 1510
22 1580 1570 1580 1530 1490 1510 1580 1570 1580 1560 1520 1540
23 1610 1540 1570 1520 1500 1510 1570 1530 1550 1560 1560 1560
24 1560 1510 1530 1540 1500 1520 1530 1500 1520 1560 1550 1550
25 1520 1430 1470 1540 1520 1530 1510 1490 1490 1560 1530 1550
26 1430 1360 1400 1560 1530 1540 1490 1460 1470 1570 1540 1560
27 1410 1370 1390 1560 1500 1530 1470 1450 1460 1560 1510 1530
28 1400 1320 1370 1510 1500 1510 1470 1450 1460 1560 1550 1560
29 --- --- --- 1500 1470 1490 1470 1440 1460 1570 1540 1560
30 --- --- --- 1480 1460 1470 1470 1450 1460 1580 1570 1570
31 --- --- --- 1460 1400 1430 --- --- --- 1570 1550 1560
MONTH --- --- --- --- --- --- 1630 1280 1450 1600 1350 1520
SPECIFIC CONDUCTANCE (MICROSIEMENS/CM AT 25 DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
JUNE JULY AUGUST SEPTEMBER
1 1560 1510 1520 1960 1680 1870 1510 1430 1500 2070 2050 2060
2 1530 1510 1520 1680 1200 1370 --- --- --- 2050 1990 2010
3 1530 1510 1520 1200 1170 1190 1440 1380 1430 1990 1960 1980
4 1540 1520 1520 1170 1110 1130 --- --- --- 1970 1950 1960
5 1540 1520 1530 1160 1120 1150 1470 1410 1440 1960 1930 1940
6 1530 1510 1520 1140 1100 1110 1590 1470 1510 1950 1930 1930
7 1520 1510 1510 1130 1070 1090 1720 1590 1670 1940 1930 1930
8 1520 1480 1500 1150 1130 1150 1880 1670 1780 1950 1940 1940
9 1520 1490 1510 1150 1120 1140 1970 1880 1920 1950 1930 1940
10 1510 1490 1500 1210 1120 1160 2070 1970 2030 1940 1930 1940
11 1510 1490 1490 --- --- --- 2080 2020 2070 1940 1930 1940
12 1510 1490 1500 --- --- --- 2130 2080 2100 1940 1920 1930
13 1500 1460 1480 --- --- --- 2130 2080 2120 1920 1900 1910
14 1460 1450 1450 --- --- --- 2120 2060 2110 1920 1900 1910
15 1460 1430 1440 --- --- --- 2110 2070 2080 1910 1900 1900
16 1480 1440 1450 --- --- --- 2100 2040 2060 1910 1890 1900
17 1470 1460 1470 --- --- --- 2040 1960 2000 1900 1880 1880
18 1480 1460 1470 --- --- --- 1960 1880 1910 1880 1870 1880
19 1480 1460 1470 --- --- --- 1890 1800 1850 1870 1850 1860
20 1460 1450 1460 --- --- --- --- --- --- 1850 1820 1830
21 1460 1450 1450 --- --- --- --- --- --- 1820 1810 1820
22 1490 1450 1480 --- --- --- --- --- --- 1820 1790 1800
23 1490 1460 1480 --- --- --- 2010 1960 1980 1800 1780 1790
24 1520 1470 1500 --- --- --- 2030 2010 2020 1800 1780 1780
25 1530 1520 1530 --- --- --- 2030 2020 2020 1800 1780 1780
26 1550 1520 1530 1480 1470 1480 2030 2020 2020 1810 1790 1800
27 1660 1550 1630 1480 1460 1470 --- --- --- 1840 1810 1820
28 1650 1610 1620 1480 1460 1470 2060 2010 2060 1850 1830 1840
29 1670 1610 1630 1480 1460 1470 2080 2060 2070 1850 1840 1850
30 1810 1670 1730 1500 1470 1480 2090 2080 2080 1840 1820 1830
31 --- --- --- 1500 1420 1440 2080 2060 2070 --- --- ---
MONTH 1810 1430 1510 --- --- --- --- --- --- 2070 1780 1890
PH, WATER, WHOLE, FIELD, STANDARD UNITS, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAY MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN
OCTOBER NOVEMBER DECEMBER JANUARY FEBRUARY MARCH
1 --- --- 8.4 8.1 8.2 8.1 7.6 7.5 7.4 7.4 --- ---
2 --- --- 8.3 8.2 8.2 8.1 7.5 7.5 7.4 7.4 7.7 7.7
3 --- --- 8.3 8.2 8.2 8.1 7.5 7.5 7.4 7.4 7.8 7.7
4 --- --- 8.2 8.2 8.1 8.1 7.5 7.5 7.4 7.4 7.9 7.8
5 --- --- 8.2 8.2 8.1 8.0 7.5 7.5 7.4 7.4 7.9 7.8
6 --- --- 8.2 8.2 8.0 7.9 7.5 7.4 7.4 7.4 8.0 7.9
7 --- --- 8.2 8.1 7.9 7.9 7.4 7.4 7.4 7.4 8.1 7.9
8 --- --- 8.1 8.1 7.9 7.9 7.4 7.4 7.4 7.4 8.1 8.0
9 --- --- 8.1 8.1 7.9 7.8 7.4 7.4 7.4 7.4 8.1 8.0
10 --- --- 8.1 8.0 7.9 7.8 7.4 7.4 7.4 7.4 8.1 8.0
11 --- --- 8.2 8.1 7.8 7.8 7.4 7.4 7.4 7.4 8.2 8.1
12 --- --- 8.2 8.2 7.8 7.8 7.4 7.4 7.4 7.4 8.2 8.1
13 --- --- 8.2 8.1 --- --- 7.4 7.4 7.5 7.4 8.2 8.1
14 --- --- 8.2 8.2 7.8 7.8 7.4 7.4 7.5 7.5 8.2 8.1
15 --- --- 8.2 8.2 7.8 7.8 7.4 7.4 7.5 7.5 8.3 8.1
16 --- --- 8.3 8.2 7.8 7.7 7.4 7.3 7.5 7.5 8.4 8.2
17 --- --- 8.3 8.2 7.7 7.7 7.3 7.3 7.5 7.5 8.4 8.3
18 --- --- 8.3 8.2 7.7 7.7 7.3 7.3 7.5 7.5 8.4 8.3
19 --- --- 8.3 8.2 7.7 7.7 7.3 7.3 7.5 7.5 8.5 8.4
20 --- --- 8.3 8.2 7.7 7.6 7.3 7.3 7.5 7.5 8.5 8.4
21 --- --- 8.3 8.2 7.6 7.6 7.3 7.3 7.5 7.5 8.5 8.4
22 --- --- 8.3 8.2 7.6 7.5 7.3 7.3 7.5 7.5 8.4 8.4
23 --- --- 8.2 8.2 7.5 7.5 7.4 7.3 7.6 7.5 8.4 8.3
24 --- --- 8.2 8.2 7.5 7.5 7.4 7.4 7.6 7.5 8.4 8.3
25 --- --- 8.2 8.2 7.5 7.5 7.4 7.4 7.6 7.5 8.4 8.3
26 --- --- 8.2 8.2 7.5 7.5 7.4 7.4 7.8 7.6 8.3 8.3
27 --- --- 8.2 8.1 7.5 7.5 7.4 7.4 7.8 7.6 8.3 8.3
28 8.3 8.2 8.2 8.1 7.5 7.5 7.4 7.4 7.7 7.6 8.4 8.3
29 8.2 8.1 8.2 8.1 7.5 7.5 7.4 7.4 --- --- 8.4 8.3
30 8.2 8.1 8.2 8.1 7.6 7.5 7.4 7.4 --- --- 8.3 8.3
31 8.2 8.1 --- --- 7.6 7.5 7.4 7.4 --- --- 8.3 8.3
MONTH 8.3 8.1 8.4 8.0 8.2 7.5 7.6 7.3 7.8 7.4 8.5 7.7
PH, WATER, WHOLE, FIELD, STANDARD UNITS, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAY MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN
APRIL MAY JUNE JULY AUGUST SEPTEMBER
1 8.3 8.3 8.4 8.3 8.2 8.1 8.6 8.4 8.0 7.9 8.5 8.5
2 8.3 8.2 8.3 8.3 8.2 8.1 8.6 8.4 8.2 8.0 8.5 8.4
3 8.3 8.3 8.5 8.3 8.1 8.1 8.4 8.3 8.2 7.8 8.4 8.4
4 8.3 8.2 8.5 8.4 8.1 8.1 8.3 8.2 --- --- 8.4 8.4
5 8.3 8.1 8.5 8.4 8.1 8.0 8.2 8.1 8.0 7.9 8.4 8.3
6 8.3 8.3 8.5 8.4 8.1 8.0 8.1 8.0 8.1 8.0 8.3 8.3
7 8.3 8.2 8.4 8.3 8.0 7.9 8.1 8.0 8.3 8.1 8.4 8.3
8 8.3 8.3 8.5 8.3 8.0 7.9 8.1 8.0 8.4 8.2 8.4 8.4
9 8.4 8.3 8.5 8.4 8.0 8.0 8.1 7.9 8.4 8.3 8.5 8.4
10 8.4 8.4 8.4 8.4 8.0 8.0 8.2 8.0 8.3 8.3 8.5 8.4
11 8.4 8.4 8.4 8.3 8.0 7.9 --- --- 8.3 8.2 8.5 8.5
12 8.4 8.4 8.6 8.4 7.9 7.9 --- --- 8.3 8.2 8.5 8.5
13 8.4 8.3 8.6 8.5 8.0 7.9 --- --- 8.3 8.2 8.5 8.4
14 8.4 8.4 8.6 8.5 8.0 7.9 --- --- 8.2 8.1 8.5 8.4
15 8.4 8.4 8.5 8.5 8.0 7.9 --- --- 8.3 8.2 8.5 8.4
16 8.4 8.4 8.5 8.4 8.1 8.0 --- --- 8.3 8.2 8.5 8.3
17 8.4 8.4 8.5 8.3 8.1 8.0 --- --- 8.3 8.3 8.4 8.3
18 8.4 8.3 8.4 8.3 8.1 8.0 --- --- 8.4 8.2 8.3 8.2
19 8.4 8.4 8.3 8.3 8.1 8.1 --- --- 8.3 8.2 8.4 8.2
20 8.4 8.4 8.3 8.3 8.2 8.1 --- --- --- --- 8.4 8.3
21 8.4 8.3 8.3 8.2 8.3 8.2 --- --- --- --- 8.3 8.3
22 8.3 8.3 8.2 8.2 8.3 8.0 --- --- --- --- 8.4 8.2
23 8.3 8.3 8.2 8.2 8.3 8.1 --- --- 8.4 8.3 8.5 8.3
24 8.3 8.2 8.2 8.2 8.4 8.2 --- --- 8.4 8.3 8.5 8.3
25 8.3 8.2 8.2 8.2 8.4 8.2 --- --- 8.4 8.3 8.4 8.2
26 8.3 8.2 8.2 8.1 8.4 8.2 8.2 8.2 8.4 8.4 8.3 8.2
27 8.3 8.2 8.1 8.1 8.4 8.3 8.2 8.1 --- --- 8.4 8.3
28 8.3 8.2 8.1 8.1 8.4 8.3 8.1 8.0 8.5 8.4 8.4 8.3
29 8.4 8.3 8.1 8.1 8.4 8.3 8.1 8.0 8.5 8.5 8.4 8.3
30 8.4 8.3 8.2 8.1 8.4 8.3 8.0 8.0 8.5 8.4 8.4 8.3
31 --- --- 8.2 8.1 --- --- 8.0 7.8 8.5 8.5 --- ---
MONTH 8.4 8.1 8.6 8.1 8.4 7.9 8.6 7.8 8.5 7.8 8.5 8.2
YEAR 8.6 7.3
OXYGEN DISSOLVED (MG/L), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 --- --- --- 13.5 11.2 12.3 16.1 14.6 15.3 12.0 9.4 10.4
2 --- --- --- 13.9 12.0 12.7 15.9 14.6 15.4 9.4 8.6 9.1
3 --- --- --- 13.5 12.2 12.7 16.3 14.6 15.5 9.2 7.4 8.3
4 --- --- --- 13.0 12.2 12.7 16.0 14.3 15.2 7.4 6.9 7.3
5 --- --- --- 13.0 11.5 12.3 15.8 14.4 15.2 6.9 6.2 6.5
6 --- --- --- 13.5 12.3 12.9 15.1 13.5 14.4 6.2 5.1 5.5
7 --- --- --- 13.2 12.0 12.6 14.4 13.1 13.8 5.1 4.2 4.5
8 --- --- --- 12.9 11.6 12.2 13.9 12.7 13.4 4.2 3.8 4.1
9 --- --- --- 12.2 11.3 11.8 13.8 12.7 13.3 4.0 3.5 3.7
10 --- --- --- 13.0 11.2 12.0 14.0 12.7 13.4 3.6 3.3 3.5
11 --- --- --- 13.0 11.5 12.3 13.9 12.7 13.3 3.3 3.0 3.2
12 --- --- --- 13.2 11.6 12.3 13.7 12.5 13.2 3.1 2.5 2.8
13 --- --- --- 12.6 11.1 11.9 --- --- --- 2.7 2.4 2.5
14 --- --- --- 12.9 11.1 11.9 14.1 12.7 13.4 2.8 2.6 2.7
15 --- --- --- 12.9 11.5 12.2 14.3 12.9 13.6 2.7 2.5 2.6
16 --- --- --- 13.1 11.7 12.3 13.9 12.0 13.0 2.6 2.3 2.4
17 --- --- --- 13.6 11.7 12.6 12.0 11.5 11.8 2.3 2.0 2.1
18 --- --- --- 13.2 11.7 12.5 11.6 10.9 11.2 2.4 2.0 2.2
19 --- --- --- 13.5 12.2 12.8 11.0 10.1 10.4 2.2 1.9 2.0
20 --- --- --- 13.8 12.3 13.0 10.4 9.8 10.0 2.2 2.0 2.1
21 --- --- --- 13.6 12.4 13.1 9.8 9.0 9.4 2.1 1.8 1.9
22 --- --- --- 14.0 12.6 13.3 9.0 8.0 8.3 2.0 1.7 1.8
23 --- --- --- 14.2 13.0 13.6 8.3 7.2 7.6 1.9 1.6 1.8
24 --- --- --- 14.4 13.4 13.9 7.8 6.9 7.3 1.7 1.4 1.5
25 --- --- --- 14.2 13.4 13.8 7.9 6.6 7.1 1.8 1.6 1.7
26 --- --- --- 14.5 13.2 13.8 8.9 7.0 7.7 1.8 1.4 1.5
27 --- --- --- 15.0 13.8 14.4 9.5 7.2 8.2 1.6 1.3 1.4
28 15.4 12.9 14.0 15.7 14.2 14.9 10.3 8.4 9.1 2.0 1.5 1.7
29 15.0 12.8 13.9 16.3 14.9 15.5 11.0 9.1 9.9 1.9 1.6 1.7
30 15.2 12.6 13.8 16.0 14.9 15.5 11.9 9.4 10.7 1.7 1.5 1.6
31 14.9 12.5 13.6 --- --- --- 12.3 9.8 11.1 1.7 1.5 1.6
MONTH --- --- --- 16.3 11.1 13.0 --- --- --- 12.0 1.3 3.4
OXYGEN DISSOLVED (MG/L), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
FEBRUARY MARCH APRIL MAY
1 1.7 1.4 1.5 --- --- --- 13.2 11.3 12.3 12.3 8.6 10.3
2 1.9 1.5 1.6 11.2 9.8 10.5 13.0 11.1 12.0 11.7 8.3 10.0
3 2.4 1.7 2.0 12.2 10.3 11.1 13.6 11.8 12.6 11.1 7.3 9.2
4 2.5 2.0 2.2 12.5 10.9 11.6 13.5 11.9 12.7 10.1 6.9 8.5
5 2.5 2.1 2.2 12.5 10.9 11.6 12.6 10.6 11.5 9.6 6.8 8.1
6 2.7 2.2 2.4 13.3 11.5 12.3 13.6 11.4 12.4 9.7 6.4 8.0
7 2.7 2.3 2.4 13.8 11.9 12.8 13.5 11.8 12.7 8.6 5.8 7.1
8 2.9 2.4 2.6 14.7 12.5 13.5 13.2 12.3 12.8 9.2 5.3 7.2
9 2.9 2.4 2.6 14.9 13.1 14.0 13.5 11.2 12.3 8.9 6.6 7.7
10 2.4 2.1 2.2 15.6 13.8 14.7 14.2 12.1 13.1 9.3 6.9 8.1
11 2.1 1.9 2.0 16.8 14.0 15.3 14.3 13.1 13.7 8.5 6.5 7.3
12 2.2 1.8 2.0 17.2 14.6 15.9 14.3 12.5 13.4 12.1 7.9 9.8
13 2.4 2.1 2.2 16.8 14.6 15.6 14.0 12.2 13.1 12.0 10.3 11.2
14 2.4 2.3 2.3 17.0 14.9 15.9 14.3 12.4 13.4 12.3 9.9 11.2
15 2.4 2.1 2.2 18.6 15.0 16.7 14.1 12.4 13.4 11.4 9.8 10.5
16 2.2 2.0 2.1 19.6 16.4 18.1 14.0 12.3 13.2 12.0 9.7 10.7
17 2.1 1.9 2.0 19.6 17.7 18.7 13.9 11.6 12.8 11.1 8.8 10.0
18 2.2 1.8 2.0 19.6 17.7 19.0 13.4 10.5 11.9 10.2 7.7 9.0
19 2.3 2.0 2.1 19.6 18.0 19.2 13.7 10.5 12.1 9.4 7.1 8.3
20 2.5 2.2 2.3 19.6 17.4 18.9 13.8 10.5 12.2 9.0 6.4 7.8
21 2.5 2.2 2.3 19.6 17.2 18.7 13.1 9.8 11.5 9.3 5.8 7.4
22 3.1 2.2 2.5 19.3 16.3 17.8 12.3 8.9 10.6 8.4 5.8 7.0
23 4.0 2.8 3.3 18.0 15.4 16.8 12.0 8.6 10.3 8.3 5.8 7.0
24 4.8 3.8 4.1 15.7 13.4 14.6 11.5 8.1 9.8 9.4 6.3 7.8
25 7.1 4.8 5.5 15.4 13.6 14.6 11.2 7.8 9.5 9.6 6.9 8.2
26 10.1 7.1 8.5 14.3 12.1 13.0 10.2 7.6 8.9 8.8 6.4 7.7
27 10.0 8.8 9.4 13.6 11.3 12.6 11.9 7.7 9.6 9.2 6.6 7.7
28 10.2 9.0 9.6 14.0 11.6 12.8 11.6 8.2 9.9 9.1 5.8 7.4
29 --- --- --- 13.6 12.3 13.0 10.9 8.5 9.7 9.4 6.1 7.6
30 --- --- --- 13.4 11.9 12.7 12.1 8.6 10.3 9.7 6.4 8.0
31 --- --- --- 13.3 11.8 12.5 --- --- --- 9.7 6.5 8.1
MONTH --- --- --- --- --- --- 14.3 7.6 11.8 12.3 5.3 8.5
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
JUNE JULY AUGUST SEPTEMBER
1 9.1 7.1 8.1 9.6 5.8 7.3 6.2 3.6 5.0 7.6 6.0 6.7
2 10.3 7.6 8.8 7.6 5.4 6.4 7.4 5.0 6.0 7.0 6.4 6.7
3 9.4 7.3 8.2 8.4 5.7 6.9 6.8 3.3 4.1 7.2 5.9 6.5
4 10.4 7.6 8.8 7.2 6.0 6.3 --- --- --- 7.0 5.9 6.4
5 --- --- --- 6.8 5.5 6.0 6.7 3.9 5.1 7.0 5.5 6.2
6 --- --- --- 6.0 5.0 5.4 7.7 4.2 5.7 6.8 5.5 6.1
7 --- --- --- 6.3 4.6 5.3 8.6 4.8 6.5 7.6 5.8 6.6
8 --- --- --- 6.7 4.4 5.3 8.1 4.8 6.3 8.3 6.1 7.1
9 --- --- --- 5.6 3.9 4.6 7.6 4.7 6.1 7.9 6.3 7.1
10 --- --- --- 7.3 4.5 5.6 6.9 4.6 5.7 8.0 6.7 7.2
11 --- --- --- --- --- --- 6.2 4.2 5.2 8.0 6.8 7.5
12 --- --- --- --- --- --- 6.6 4.1 5.2 8.0 7.0 7.5
13 --- --- --- --- --- --- 5.7 4.5 5.0 7.7 6.8 7.2
14 --- --- --- --- --- --- 6.4 3.9 4.9 7.7 6.6 7.2
15 --- --- --- --- --- --- 6.5 4.7 5.5 7.6 6.8 7.1
16 --- --- --- --- --- --- 7.0 5.2 5.9 7.4 6.2 6.7
17 --- --- --- --- --- --- 7.0 5.4 6.1 6.9 5.8 6.4
18 --- --- --- --- --- --- 7.6 5.6 6.4 6.7 4.7 5.6
19 --- --- --- --- --- --- 6.9 5.9 6.3 6.5 4.6 5.3
20 --- --- --- --- --- --- --- --- --- 7.3 6.3 6.7
21 --- --- --- --- --- --- --- --- --- 7.5 6.6 7.1
22 --- --- --- --- --- --- --- --- --- 7.6 6.5 7.1
23 --- --- --- --- --- --- 7.8 5.2 6.2 8.4 7.2 7.8
24 --- --- --- --- --- --- 7.2 5.5 6.2 8.7 8.0 8.3
25 --- --- --- --- --- --- 7.6 5.4 6.3 8.6 7.8 8.2
26 --- --- --- 7.9 4.0 5.8 7.9 5.2 6.4 8.4 7.7 8.0
27 9.9 6.1 7.9 7.0 3.9 5.2 --- --- --- 8.8 7.7 8.3
28 9.9 6.1 7.8 6.8 3.4 4.9 6.9 4.4 5.8 8.8 7.4 8.1
29 9.4 6.8 7.9 6.3 3.4 4.8 7.3 4.9 6.0 8.4 7.1 7.8
30 7.5 5.9 6.6 6.6 3.3 4.8 7.2 5.1 6.1 8.4 6.9 7.7
31 --- --- --- 5.9 3.2 4.3 7.5 5.4 6.2 --- --- ---
MONTH --- --- --- --- --- --- --- --- --- 8.8 4.6 7.1
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