RED RIVER OF THE NORTH BASIN
05057000 SHEYENNE RIVER NEAR COOPERSTOWN, ND
LOCATION.--Lat 47°25'58", long 98°01'38", in NW1/4NW1/4SW1/4 sec.26, T.146 N., R.58 W., Griggs County, Hydrologic Unit 09020203,
on right bank at Ueland Dam 0.7 mi downstream from State Highway 200, and 5 mi east of Cooperstown.
DRAINAGE AREA.--6,470 mi2, approximately, of which about 5,200 mi2 is probably noncontributing, includes 3,800 mi2 in closed
basins.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1944 to current year. Monthly discharge only for some periods, published in WSP 1308.
REVISED RECORDS.--WSP 1728: Drainage area. WRD ND-80-1: Gage datum.
GAGE.--Water-stage recorder and artificial control. Datum of gage is 1,271.76 ft above sea level (Coast and Geodetic Survey
bench mark). Aug. 31, 1950, to Oct. 22, 1985, gage located on right bank 300 ft downstream of present site and datum. Prior
to Aug. 3, 1950, nonrecording gage at site 150 ft downstream of present site at same datum.
REMARKS.--Records good except for periods of estimated daily discharges, which are poor.
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
1 145 97 e66 e36 e25 e120 169 183 113 884 314 356
2 141 95 e63 e35 e24 e120 164 180 109 780 289 323
3 137 92 e59 e36 e24 121 161 170 107 701 263 309
4 135 92 e56 e36 e24 131 159 165 107 647 242 308
5 131 93 e52 e35 e25 159 156 156 104 677 224 308
6 128 93 e50 e35 e26 186 158 150 101 653 210 320
7 127 92 e49 e34 e26 198 151 155 96 642 199 332
8 127 95 e48 e35 e26 209 150 156 93 652 194 343
9 126 96 e48 e34 e26 81 154 147 84 659 194 358
10 125 92 e47 e34 e26 191 149 137 77 644 196 368
11 123 87 e46 e35 e27 217 148 130 72 652 200 367
12 124 87 e45 e36 e27 224 144 128 67 716 199 368
13 122 87 e44 e37 e27 241 135 135 70 801 182 377
14 117 88 e44 e38 e27 247 140 141 346 829 164 375
15 117 87 e43 e37 e28 e250 135 144 820 841 157 364
16 117 87 e42 e37 e28 214 130 145 1110 851 153 345
17 116 88 e42 e37 e28 184 134 142 1480 881 154 320
18 115 88 e41 e37 e29 192 144 137 1920 899 153 290
19 116 87 e40 e33 e29 167 151 138 2200 928 154 260
20 117 85 e40 e29 e30 192 149 141 2200 960 210 237
21 118 88 e38 e25 e31 184 154 144 2060 979 218 219
22 118 87 e36 e24 e31 180 162 146 1900 974 223 215
23 116 77 e35 e24 e31 161 165 147 1780 928 227 211
24 113 60 e33 e24 e32 158 167 146 1670 829 256 204
25 110 72 e33 e25 e40 171 162 146 1550 696 306 197
26 109 80 e35 e25 e130 173 164 142 1420 586 357 195
27 105 78 e36 e25 e180 179 167 140 1290 507 407 189
28 104 80 e35 e24 e180 186 169 136 1180 452 443 186
29 102 e71 e36 e24 e140 182 167 134 1080 410 457 186
30 101 e69 e36 e24 --- 182 174 129 989 373 441 186
31 99 --- e36 e24 --- 177 --- 121 --- 341 403 ---
TOTAL 3701 2570 1354 974 1327 5577 4632 4511 26195 22372 7789 8616
MEAN 119 85.7 43.7 31.4 45.8 180 154 146 873 722 251 287
MAX 145 97 66 38 180 250 174 183 2200 979 457 377
MIN 99 60 33 24 24 81 130 121 67 341 153 186
AC-FT 7340 5100 2690 1930 2630 11060 9190 8950 51960 44370 15450 17090
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 2000, BY WATER YEAR (WY)
MEAN 36.4 32.3 20.3 13.4 15.6 189 652 248 140 108 61.7 40.2
MAX 392 255 119 68.2 112 1381 2623 1953 873 722 1033 321
(WY) 1995 1995 1995 1995 1998 1995 1996 1950 2000 2000 1993 1994
MIN .83 2.83 3.14 1.94 .000 2.14 42.4 37.3 6.66 3.84 .68 .000
(WY) 1964 1977 1977 1964 1963 1964 1991 1961 1961 1961 1961 1959
SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1945 - 2000
ANNUAL TOTAL 140446 89618
ANNUAL MEAN 385 245 130
HIGHEST ANNUAL MEAN 399 1950
LOWEST ANNUAL MEAN 13.2 1977
HIGHEST DAILY MEAN 3660 Apr 6 2200 Jun 19 7410 Apr 17 1950
LOWEST DAILY MEAN 20 Jan 1 24 Jan 22 .00 Aug 29 1959
ANNUAL SEVEN-DAY MINIMUM 20 Jan 1 24 Jan 28 .00 Aug 29 1959
INSTANTANEOUS PEAK FLOW 2240 Jun 20 7830 Apr 17 1950
INSTANTANEOUS PEAK STAGE 17.05 Jun 20 19.13 Apr 18 1996
ANNUAL RUNOFF (AC-FT) 278600 177800 93880
10 PERCENT EXCEEDS 1010 652 277
50 PERCENT EXCEEDS 165 141 27
90 PERCENT EXCEEDS 21 33 4.3
e Estimated
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water year 1960 to current year.
PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: June 1997 to current year.
SPECIFIC CONDUCTANCE: June 1997 to current year.
INSTRUMENTATION.--Water-quality sensors since June 1997.
REMARKS.--Records good. No data from Oct. 7 to Apr. 13, probe removed for winter.
EXTREMES FOR PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: Maximum recorded, 25.8°C, June 27, 1997; minimum recorded, 0.5°C, on many days.
SPECIFIC CONDUCTANCE: Maximum recorded, 1,460 microsiemens, on several days in June 2000; minimum recorded, 539 microsiemens,
June 16, 2000.
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURE: Maximum recorded, 24.0°C, July 30; minimum recorded, 2.8°C, Apr. 15.
SPECIFIC CONDUCTANCE: Maximum recorded, 1,460 microsiemens, on several days in June; minimum recorded, 539 microsiemens,
June 16.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DIS- DIS- PH PH SPE-
CHARGE, CHARGE, WATER WATER CIFIC SPE- HARD-
IN INST. WHOLE WHOLE CON- CIFIC NESS CALCIUM
CUBIC CUBIC FIELD LAB DUCT- CON- TEMPER- TEMPER- TOTAL DIS-
FEET FEET (STAND- (STAND- ANCE DUCT- ATURE ATURE (MG/L SOLVED
DATE TIME PER PER ARD ARD LAB ANCE AIR WATER AS (MG/L
SECOND SECOND UNITS) UNITS) (US/CM) (US/CM) (DEG C) (DEG C) CACO3) AS CA)
(00060) (00061) (00400) (00403) (90095) (00095) (00020) (00010) (00900) (00915)
OCT
07... 1500 127 -- -- -- -- 1080 -- 8.8 -- --
08... 1130 -- 124 -- -- -- 1060 11.5 9.5 -- --
27... 0915 105 -- -- -- -- 1150 -- 4.5 -- --
NOV
10... 1030 92 -- -- -- -- 1060 -- 6.3 -- --
18... 1225 88 -- -- -- -- 1040 -- 3.5 -- --
DEC
08... 0950 48 -- -- -- -- 1110 -- .6 -- --
30... 0915 36 -- -- -- -- 1300 -- .5 -- --
JAN
18... 1415 -- 37 -- -- -- 1360 -9.5 .5 -- --
FEB
08... 1110 26 -- -- -- -- 1430 -- .7 -- --
MAR
07... 1415 -- 199 -- -- -- 946 16.5 2.0 -- --
22... 0800 180 -- -- -- -- 989 -- 1.4 -- --
30... 1030 -- 182 -- -- -- 980 -- -- -- --
APR
12... 1220 144 -- -- -- -- 1150 -- 6.5 -- --
MAY
10... 1015 -- 140 8.5 8.3 1240 1230 13.5 16.0 430 82.0
24... 0950 146 -- -- -- -- 1320 -- 14.5 -- --
JUN
27... 1355 -- 1270 -- -- -- 940 18.0 16.0 -- --
JUL
17... 1435 881 -- -- -- -- 906 -- 22.7 -- --
AUG
17... 1200 -- 153 8.2 8.3 1140 -- 17.0 15.5 390 72.0
SEP
07... 1105 332 -- -- -- -- 962 -- 17.2 -- --
ANC SOLIDS,
MAGNE- POTAS- SODIUM UNFLTRD CHLO- FLUO- SOLIDS, RESIDUE
SIUM, SIUM, AD- SODIUM, TIT 4.5 RIDE, RIDE, SULFATE DIS- AT 180
DIS- DIS- SORP- DIS- LAB DIS- DIS- DIS- SOLVED DEG. C
SOLVED SOLVED TION SOLVED (MG/L SOLVED SOLVED SOLVED (TONS DIS-
DATE (MG/L (MG/L RATIO (MG/L SODIUM AS (MG/L (MG/L (MG/L PER SOLVED
AS MG) AS K) AS NA) PERCENT CACO3) AS CL) AS F) AS SO4) DAY) (MG/L)
(00925) (00935) (00931) (00930) (00932) (90410) (00940) (00950) (00945) (70302) (70300)
OCT
07... -- -- -- -- -- -- -- -- -- -- --
08... -- -- -- -- -- -- -- -- -- -- --
27... -- -- -- -- -- -- -- -- -- -- --
NOV
10... -- -- -- -- -- -- -- -- -- -- --
18... -- -- -- -- -- -- -- -- -- -- --
DEC
08... -- -- -- -- -- -- -- -- -- -- --
30... -- -- -- -- -- -- -- -- -- -- --
JAN
18... -- -- -- -- -- -- -- -- -- -- --
FEB
08... -- -- -- -- -- -- -- -- -- -- --
MAR
07... -- -- -- -- -- -- -- -- -- -- --
22... -- -- -- -- -- -- -- -- -- -- --
30... -- -- -- -- -- -- -- -- -- -- --
APR
12... -- -- -- -- -- -- -- -- -- -- --
MAY
10... 55.0 11.0 3 130 39 425 19.0 .2 270 326 863
24... -- -- -- -- -- -- -- -- -- -- --
JUN
27... -- -- -- -- -- -- -- -- -- -- --
JUL
17... -- -- -- -- -- -- -- -- -- -- --
AUG
17... 50.0 12.0 3 120 39 419 18.0 .2 200 304 735
SEP
07... -- -- -- -- -- -- -- -- -- -- --
SOLIDS,
SUM OF MANGA- MOLYB- SELE- STRON-
CONSTI- ARSENIC IRON, LEAD, LITHIUM NESE, MERCURY DENUM, NIUM, TIUM,
TUENTS, DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
DIS- SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE SOLVED (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L
(MG/L) AS AS) AS FE) AS PB) AS LI) AS MN) AS HG) AS MO) AS SE) AS SR)
(70301) (01000) (01046) (01049) (01130) (01056) (71890) (01060) (01145) (01080)
OCT
07... -- -- -- -- -- -- -- -- -- --
08... -- -- -- -- -- -- -- -- -- --
27... -- -- -- -- -- -- -- -- -- --
NOV
10... -- -- -- -- -- -- -- -- -- --
18... -- -- -- -- -- -- -- -- -- --
DEC
08... -- -- -- -- -- -- -- -- -- --
30... -- -- -- -- -- -- -- -- -- --
JAN
18... -- -- -- -- -- -- -- -- -- --
FEB
08... -- -- -- -- -- -- -- -- -- --
MAR
07... -- -- -- -- -- -- -- -- -- --
22... -- -- -- -- -- -- -- -- -- --
30... -- -- -- -- -- -- -- -- -- --
APR
12... -- -- -- -- -- -- -- -- -- --
MAY
10... 823 6.0 60 1 90.0 460 <.1 <1 <1.0 480
24... -- -- -- -- -- -- -- -- -- --
JUN
27... -- -- -- -- -- -- -- -- -- --
JUL
17... -- -- -- -- -- -- -- -- -- --
AUG
17... 724 11.0 30 1 100 140 <.1 1 <1.0 470
SEP
07... -- -- -- -- -- -- -- -- -- --
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 10.7 8.9 9.5 --- --- --- --- --- --- --- --- ---
2 10.6 8.6 9.4 --- --- --- --- --- --- --- --- ---
3 9.5 8.1 8.7 --- --- --- --- --- --- --- --- ---
4 8.6 7.5 8.1 --- --- --- --- --- --- --- --- ---
5 9.4 8.1 8.5 --- --- --- --- --- --- --- --- ---
6 8.6 7.4 7.9 --- --- --- --- --- --- --- --- ---
7 --- --- --- --- --- --- --- --- --- --- --- ---
8 --- --- --- --- --- --- --- --- --- --- --- ---
9 --- --- --- --- --- --- --- --- --- --- --- ---
10 --- --- --- --- --- --- --- --- --- --- --- ---
11 --- --- --- --- --- --- --- --- --- --- --- ---
12 --- --- --- --- --- --- --- --- --- --- --- ---
13 --- --- --- --- --- --- --- --- --- --- --- ---
14 --- --- --- --- --- --- --- --- --- --- --- ---
15 --- --- --- --- --- --- --- --- --- --- --- ---
16 --- --- --- --- --- --- --- --- --- --- --- ---
17 --- --- --- --- --- --- --- --- --- --- --- ---
18 --- --- --- --- --- --- --- --- --- --- --- ---
19 --- --- --- --- --- --- --- --- --- --- --- ---
20 --- --- --- --- --- --- --- --- --- --- --- ---
21 --- --- --- --- --- --- --- --- --- --- --- ---
22 --- --- --- --- --- --- --- --- --- --- --- ---
23 --- --- --- --- --- --- --- --- --- --- --- ---
24 --- --- --- --- --- --- --- --- --- --- --- ---
25 --- --- --- --- --- --- --- --- --- --- --- ---
26 --- --- --- --- --- --- --- --- --- --- --- ---
27 --- --- --- --- --- --- --- --- --- --- --- ---
28 --- --- --- --- --- --- --- --- --- --- --- ---
29 --- --- --- --- --- --- --- --- --- --- --- ---
30 --- --- --- --- --- --- --- --- --- --- --- ---
31 --- --- --- --- --- --- --- --- --- --- --- ---
MONTH --- --- --- --- --- --- --- --- --- --- --- ---
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
FEBRUARY MARCH APRIL MAY
1 --- --- --- --- --- --- --- --- --- 16.0 14.1 15.1
2 --- --- --- --- --- --- --- --- --- 17.1 14.9 15.8
3 --- --- --- --- --- --- --- --- --- 17.8 16.3 17.0
4 --- --- --- --- --- --- --- --- --- 18.5 16.8 17.5
5 --- --- --- --- --- --- --- --- --- --- --- ---
6 --- --- --- --- --- --- --- --- --- --- --- ---
7 --- --- --- --- --- --- --- --- --- --- --- ---
8 --- --- --- --- --- --- --- --- --- --- --- ---
9 --- --- --- --- --- --- --- --- --- --- --- ---
10 --- --- --- --- --- --- --- --- --- --- --- ---
11 --- --- --- --- --- --- --- --- --- --- --- ---
12 --- --- --- --- --- --- --- --- --- --- --- ---
13 --- --- --- --- --- --- 7.1 6.0 6.4 --- --- ---
14 --- --- --- --- --- --- 6.8 3.6 4.8 --- --- ---
15 --- --- --- --- --- --- 4.5 2.8 3.7 --- --- ---
16 --- --- --- --- --- --- 5.5 4.0 4.8 --- --- ---
17 --- --- --- --- --- --- 7.2 5.4 6.1 --- --- ---
18 --- --- --- --- --- --- 9.7 7.2 8.3 --- --- ---
19 --- --- --- --- --- --- 9.8 9.0 9.3 --- --- ---
20 --- --- --- --- --- --- 10.2 8.5 9.3 --- --- ---
21 --- --- --- --- --- --- 12.3 9.8 10.8 --- --- ---
22 --- --- --- --- --- --- 14.0 12.2 13.0 --- --- ---
23 --- --- --- --- --- --- 15.1 13.1 14.1 --- --- ---
24 --- --- --- --- --- --- 15.9 14.4 15.1 --- --- ---
25 --- --- --- --- --- --- 16.2 15.1 15.7 14.2 12.7 13.5
26 --- --- --- --- --- --- 16.1 15.1 15.4 14.9 13.7 14.3
27 --- --- --- --- --- --- 15.2 14.0 14.6 14.8 13.2 14.2
28 --- --- --- --- --- --- 14.7 12.9 13.9 13.9 12.6 13.2
29 --- --- --- --- --- --- 15.1 13.4 14.3 13.9 13.2 13.7
30 --- --- --- --- --- --- 15.3 14.4 14.9 14.7 12.8 13.7
31 --- --- --- --- --- --- --- --- --- 14.8 13.4 14.1
MONTH --- --- --- --- --- --- --- --- --- --- --- ---
TEMPERATURE, WATER (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 13.4 12.6 13.1 20.4 18.6 19.5 22.7 21.0 21.9 --- --- ---
2 13.9 12.0 12.9 20.0 18.5 19.5 22.5 20.4 21.5 --- --- ---
3 13.9 11.9 13.1 18.5 17.8 18.0 22.3 20.8 21.5 --- --- ---
4 13.8 11.6 12.7 19.6 17.7 18.5 22.0 20.2 21.1 --- --- ---
5 15.0 12.9 14.0 19.3 18.2 18.7 22.2 21.1 21.6 --- --- ---
6 16.5 14.7 15.5 20.3 18.6 19.3 22.1 20.8 21.3 --- --- ---
7 18.6 16.0 17.2 19.8 19.2 19.4 21.3 19.9 20.7 --- --- ---
8 20.2 17.9 18.8 21.2 19.0 20.0 21.3 20.5 20.9 18.6 16.7 17.7
9 21.5 18.1 19.6 21.9 19.9 20.9 21.0 19.7 20.4 19.6 17.7 18.5
10 20.0 18.8 19.7 22.4 20.5 21.4 21.4 19.8 20.5 18.9 17.2 18.1
11 19.5 17.7 18.6 21.7 20.2 21.0 22.8 21.0 21.7 18.5 17.1 17.8
12 20.5 18.4 19.4 21.5 19.6 20.5 22.8 22.0 22.4 18.0 16.3 17.2
13 19.9 18.9 19.6 22.4 20.6 21.5 22.5 21.0 21.4 17.7 16.4 17.1
14 18.9 15.4 16.8 23.1 21.3 22.2 21.3 18.9 20.2 17.4 16.0 16.8
15 15.4 13.5 14.2 23.6 22.3 22.9 19.9 18.8 19.3 16.8 15.1 16.0
16 13.5 11.9 12.7 22.9 21.7 22.3 18.9 15.6 17.4 17.4 15.1 16.2
17 12.6 11.4 11.9 21.7 20.3 21.0 15.7 14.8 15.3 17.8 15.6 16.7
18 14.4 12.6 13.4 20.3 18.7 19.6 16.1 14.6 15.5 18.2 16.3 17.2
19 14.7 14.2 14.5 18.7 17.3 18.0 16.8 16.1 16.4 18.1 16.7 17.2
20 14.8 14.4 14.6 17.8 16.7 17.2 16.3 15.9 16.1 16.7 14.6 15.2
21 14.5 13.1 13.7 17.9 16.9 17.4 17.6 15.8 16.7 14.6 13.2 13.5
22 14.9 12.6 13.6 19.0 17.2 18.0 18.2 16.6 17.2 13.3 11.5 12.5
23 17.1 14.9 16.1 19.6 17.9 18.8 19.1 17.3 18.1 11.5 10.3 10.8
24 18.0 16.9 17.4 20.5 19.0 19.7 21.0 18.4 19.4 10.4 9.3 10.0
25 18.0 17.0 17.7 20.8 19.4 20.1 21.7 19.8 20.7 10.9 9.8 10.3
26 17.0 16.1 16.5 21.8 19.5 20.6 22.3 20.0 21.1 11.1 10.5 10.9
27 16.3 15.8 16.1 22.6 20.1 21.3 21.6 20.6 21.1 11.2 10.6 10.9
28 17.1 16.0 16.5 23.2 20.5 21.8 21.3 20.4 20.9 12.0 10.7 11.3
29 17.7 16.4 17.0 23.6 21.0 22.2 20.5 19.1 19.9 13.0 11.9 12.3
30 19.2 17.2 18.2 24.0 21.3 22.6 20.0 18.9 19.5 13.9 13.0 13.4
31 --- --- --- 23.5 22.0 22.6 --- --- --- --- --- ---
MONTH 21.5 11.4 15.8 24.0 16.7 20.2 --- --- --- --- --- ---
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 1070 1050 1070 --- --- --- --- --- --- --- --- ---
2 1070 1000 1040 --- --- --- --- --- --- --- --- ---
3 1060 1030 1050 --- --- --- --- --- --- --- --- ---
4 1070 1050 1060 --- --- --- --- --- --- --- --- ---
5 1080 1050 1070 --- --- --- --- --- --- --- --- ---
6 1090 1060 1080 --- --- --- --- --- --- --- --- ---
7 --- --- --- --- --- --- --- --- --- --- --- ---
8 --- --- --- --- --- --- --- --- --- --- --- ---
9 --- --- --- --- --- --- --- --- --- --- --- ---
10 --- --- --- --- --- --- --- --- --- --- --- ---
11 --- --- --- --- --- --- --- --- --- --- --- ---
12 --- --- --- --- --- --- --- --- --- --- --- ---
13 --- --- --- --- --- --- --- --- --- --- --- ---
14 --- --- --- --- --- --- --- --- --- --- --- ---
15 --- --- --- --- --- --- --- --- --- --- --- ---
16 --- --- --- --- --- --- --- --- --- --- --- ---
17 --- --- --- --- --- --- --- --- --- --- --- ---
18 --- --- --- --- --- --- --- --- --- --- --- ---
19 --- --- --- --- --- --- --- --- --- --- --- ---
20 --- --- --- --- --- --- --- --- --- --- --- ---
21 --- --- --- --- --- --- --- --- --- --- --- ---
22 --- --- --- --- --- --- --- --- --- --- --- ---
23 --- --- --- --- --- --- --- --- --- --- --- ---
24 --- --- --- --- --- --- --- --- --- --- --- ---
25 --- --- --- --- --- --- --- --- --- --- --- ---
26 --- --- --- --- --- --- --- --- --- --- --- ---
27 --- --- --- --- --- --- --- --- --- --- --- ---
28 --- --- --- --- --- --- --- --- --- --- --- ---
29 --- --- --- --- --- --- --- --- --- --- --- ---
30 --- --- --- --- --- --- --- --- --- --- --- ---
31 --- --- --- --- --- --- --- --- --- --- --- ---
MONTH --- --- --- --- --- --- --- --- --- --- --- ---
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
FEBRUARY MARCH APRIL MAY
1 --- --- --- --- --- --- --- --- --- 1310 1280 1300
2 --- --- --- --- --- --- --- --- --- 1350 1300 1320
3 --- --- --- --- --- --- --- --- --- 1360 1340 1350
4 --- --- --- --- --- --- --- --- --- 1370 1340 1360
5 --- --- --- --- --- --- --- --- --- 1380 1360 1370
6 --- --- --- --- --- --- --- --- --- 1360 1320 1340
7 --- --- --- --- --- --- --- --- --- 1330 1320 1330
8 --- --- --- --- --- --- --- --- --- 1330 1320 1320
9 --- --- --- --- --- --- --- --- --- 1340 1320 1330
10 --- --- --- --- --- --- --- --- --- 1350 1320 1340
11 --- --- --- --- --- --- --- --- --- --- --- ---
12 --- --- --- --- --- --- --- --- --- 1350 1340 1340
13 --- --- --- --- --- --- 1220 1180 1210 1340 1320 1320
14 --- --- --- --- --- --- 1230 1220 1220 1320 1300 1310
15 --- --- --- --- --- --- 1230 1210 1220 1300 1280 1290
16 --- --- --- --- --- --- 1230 1210 1220 1300 1280 1290
17 --- --- --- --- --- --- 1220 1190 1210 1310 1290 1300
18 --- --- --- --- --- --- 1220 1190 1210 1310 1300 1310
19 --- --- --- --- --- --- 1280 1220 1240 1310 1260 1280
20 --- --- --- --- --- --- 1280 1250 1270 1300 1260 1290
21 --- --- --- --- --- --- 1260 1250 1250 1350 1290 1320
22 --- --- --- --- --- --- 1260 1250 1250 1310 1290 1300
23 --- --- --- --- --- --- 1270 1260 1260 1320 1300 1310
24 --- --- --- --- --- --- 1270 1250 1260 1350 1320 1340
25 --- --- --- --- --- --- 1270 1260 1270 1360 1350 1360
26 --- --- --- --- --- --- 1270 1260 1270 1360 1350 1360
27 --- --- --- --- --- --- 1270 1260 1270 1370 1360 1370
28 --- --- --- --- --- --- 1290 1270 1280 1410 1370 1390
29 --- --- --- --- --- --- 1300 1280 1290 1420 1400 1420
30 --- --- --- --- --- --- 1300 1280 1300 1440 1420 1430
31 --- --- --- --- --- --- --- --- --- 1440 1430 1440
MONTH --- --- --- --- --- --- --- --- --- --- --- ---
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
JUNE JULY AUGUST SEPTEMBER
1 1450 1440 1440 1070 1020 1050 1160 1140 1160 984 977 981
2 1460 1440 1450 1110 1070 1090 1170 1160 1160 986 968 975
3 1460 1450 1460 1140 1110 1130 1180 1160 1170 972 959 964
4 1460 1440 1450 1160 1140 1150 1180 1180 1180 963 959 961
5 1460 1440 1450 1150 1110 1130 1180 1180 1180 963 956 960
6 1440 1430 1440 1170 1130 1160 1180 1170 1180 962 951 955
7 1430 1420 1430 1170 1150 1160 1180 1160 1170 966 953 961
8 1430 1420 1430 1150 1130 1150 1180 1160 1170 1010 966 989
9 1430 1420 1430 1140 1120 1130 1190 1160 1170 1040 1010 1020
10 1440 1400 1420 1140 1120 1130 1170 1160 1170 1070 1040 1060
11 1460 1400 1430 1130 1110 1120 1170 1140 1150 1060 1050 1060
12 1440 1340 1390 1110 1040 1080 1140 1130 1140 1050 1030 1040
13 1460 1390 1430 1040 1020 1020 1160 1130 1150 1030 1020 1030
14 1390 940 1230 1050 1030 1040 1160 1130 1140 1040 1020 1020
15 940 561 669 1070 1040 1060 1150 1120 1140 1100 1040 1070
16 569 539 553 1040 978 1010 1150 1120 1140 1130 1100 1110
17 595 566 586 978 950 959 1130 1110 1120 1140 1130 1130
18 607 595 603 973 949 959 1130 1110 1120 1140 1140 1140
19 621 606 612 976 963 972 1140 1070 1120 1140 1140 1140
20 669 618 643 963 956 959 1080 987 1040 1150 1140 1140
21 705 669 689 979 949 964 1080 990 1030 1150 1140 1150
22 755 705 728 1020 979 999 1080 1020 1050 1140 1120 1130
23 812 755 785 1040 1020 1030 1090 1070 1080 1120 1120 1120
24 847 812 831 1060 1040 1050 1100 1060 1090 1120 1120 1120
25 876 847 861 1090 1060 1080 1110 1060 1100 1120 1110 1120
26 900 876 890 1110 1080 1100 1080 1040 1060 1110 1100 1100
27 929 900 914 1110 1090 1100 1060 1040 1050 1120 1100 1110
28 957 929 944 1140 1100 1120 1040 1030 1030 1120 1100 1110
29 980 957 968 1150 1120 1140 1050 1020 1040 1100 1090 1100
30 1020 980 1000 1150 1120 1140 1020 968 989 1110 1070 1100
31 --- --- --- 1160 1130 1150 977 964 969 --- --- ---
MONTH 1460 539 1070 1170 949 1080 1190 964 1110 1150 951 1060
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