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RED RIVER OF THE NORTH BASIN
05059300 SHEYENNE RIVER ABOVE SHEYENNE RIVER DIVERSION NEAR HORACE, ND
LOCATION.--Lat 46°45'01", long 96°55'35", in NE1/4SE1/4SE1/4 sec.24, T.138 N., R.50 W., Cass County, Hydrologic Unit 09020204,
on right bank 300 ft upstream from diversion structure 1 mi southwest of Horace.
DRAINAGE AREA.--8,840 mi2, approximately, of which about 7,580 mi2 is probably noncontributing, including 3,800 mi2 in closed
basins.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1992 to current year.
GAGE.--Water-stage recorder. Datum of gage is 890 ft above sea level.
REMARKS.--Records fair except for periods of estimated discharge, which are poor. Flow regulated to a large degree by Lake
Ashtabula (station 05057500), 230 mi upstream. These records represent the total Sheyenne River flow immediately upstream
from the Horace flood diversion.
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
1 308 274 e260 e320 e130 e290 380 400 255 1980 827 383
2 305 278 e250 e320 e130 e400 358 403 255 1930 708 426
3 303 274 e250 e310 e125 e500 341 400 254 1730 e580 688
4 299 269 e260 e310 e125 e520 333 389 255 1420 e520 809
5 297 261 e260 e310 e125 e520 322 380 323 1220 e480 769
6 294 249 e240 e305 e125 e480 315 375 413 1170 e440 670
7 292 244 e220 e300 e120 e410 316 367 405 1230 e415 541
8 292 241 e210 e300 e120 e360 322 370 358 1280 e390 453
9 294 240 e210 e300 e120 e340 320 387 310 1270 364 423
10 294 247 e210 e290 e115 e360 327 393 286 1190 330 403
11 285 257 e195 e280 e115 e400 335 390 274 1130 300 371
12 274 267 e190 e260 e115 e410 340 385 272 1050 288 342
13 274 273 e190 e240 e115 e390 337 381 258 1010 270 375
14 272 274 e175 e230 e115 e350 345 385 258 1000 259 430
15 275 274 e150 e215 e115 e290 351 395 255 957 233 439
16 281 280 e180 e205 e110 e230 349 392 279 876 226 441
17 284 289 e210 e200 e110 e230 348 385 312 818 223 441
18 282 290 e230 e200 e110 e250 344 379 284 848 213 440
19 281 293 e240 e195 e110 e240 360 370 281 863 214 441
20 278 293 e260 e195 e110 e240 402 361 1030 874 228 437
21 270 292 e270 e195 e110 e280 466 352 1800 880 229 423
22 267 294 e280 e195 e110 e350 479 336 1860 902 252 419
23 266 294 e300 e185 e110 e440 469 329 1880 952 254 434
24 270 292 e310 e185 e115 608 444 324 1920 956 241 410
25 270 293 e320 e180 e120 704 419 309 1960 982 231 341
26 263 292 e330 e175 e135 663 398 277 1970 1040 251 384
27 260 295 e330 e170 e160 592 388 257 1960 1080 366 434
28 259 275 e330 e160 e200 532 383 249 1960 1090 432 433
29 256 260 e330 e145 e240 466 374 247 1970 1030 385 440
30 258 e270 e330 e140 --- 431 375 256 1980 940 340 452
31 266 --- e330 e135 --- 405 --- 258 --- 896 341 ---
TOTAL 8669 8224 7850 7150 3660 12681 11040 10881 25877 34594 10830 13892
MEAN 280 274 253 231 126 409 368 351 863 1116 349 463
MAX 308 295 330 320 240 704 479 403 1980 1980 827 809
MIN 256 240 150 135 110 230 315 247 254 818 213 341
AC-FT 17190 16310 15570 14180 7260 25150 21900 21580 51330 68620 21480 27550
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1993 - 2000, BY WATER YEAR (WY)
MEAN 243 269 222 176 197 732 1777 1181 615 692 537 337
MAX 673 617 344 268 289 1214 2964 2737 946 1157 2221 582
(WY) 1995 1995 1995 1997 1996 1995 1997 1997 1999 1993 1993 1999
MIN 52.9 54.8 31.7 73.0 98.6 230 368 232 309 308 144 95.2
(WY) 1993 1993 1993 1993 1993 1993 2000 1993 1993 1996 1998 1996
SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1993 - 2000
ANNUAL TOTAL 270567 155348
ANNUAL MEAN 741 424 583
HIGHEST ANNUAL MEAN 749 1999
LOWEST ANNUAL MEAN 424 2000
HIGHEST DAILY MEAN 2900 Apr 8 1980 Jun 30 4480 May 8 1997
LOWEST DAILY MEAN 140 Jan 1 110 Feb 16 13 Dec 18 1992
ANNUAL SEVEN-DAY MINIMUM 140 Jan 1 110 Feb 16 16 Dec 13 1992
INSTANTANEOUS PEAK FLOW 1990 Jun 30 a 5210 May 8 1997
INSTANTANEOUS PEAK STAGE 21.62 Jun 30 b 26.66 Mar 25 1999
ANNUAL RUNOFF (AC-FT) 536700 308100 422100
10 PERCENT EXCEEDS 2100 885 1360
50 PERCENT EXCEEDS 365 310 300
90 PERCENT EXCEEDS 160 180 120
a Gage height, 25.44 ft, backwater from ice
b From high-water mark, backwater from ice and closure of diversion channel
e Estimated
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water year 1993 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. Water temperature interruptions in daily record are due to sensor probe malfunctions.
EXTREMES FOR PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: Maximum recorded, 28.1°C, July 24, 1999; minimum recorded, -0.1°C, on many days.
SPECIFIC CONDUCTANCE: Maximum recorded, 1,610 microsiemens, May 7 and 8, 2000; minimum recorded, 658 microsiemens,
Apr. 17, 1999.
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURE: Maximum recorded, 27.9°C, July 15 and Aug. 12; minimum recorded, -0.1°C, on many days.
SPECIFIC CONDUCTANCE: Maximum recorded, 1,610 microsiemens, May 7 and 8; minimum recorded, 845 microsiemens, June 18.
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
04... 1500 299 -- -- -- -- 1010 -- 9.3 -- --
05... 1350 -- 285 -- -- -- 1020 13.0 8.5 -- --
25... 1100 270 -- -- -- -- 1010 -- -- -- --
NOV
17... 1220 289 -- -- -- -- 1050 -- -- -- --
29... 1200 260 -- -- -- -- 1070 -- .7 -- --
DEC
07... 1535 -- 215 -- -- -- 1120 1.0 1.0 -- --
29... 1030 330 -- -- -- -- 1150 -- .0 -- --
JAN
21... 1125 -- 174 -- -- -- 1190 -17.0 .5 -- --
FEB
08... 1500 120 -- -- -- -- 1210 -- .0 -- --
MAR
07... 1415 410 -- -- -- -- 923 -- 1.0 -- --
23... 0900 -- 412 -- -- -- 970 9.0 4.0 -- --
APR
11... 1545 -- 328 8.3 8.1 1230 1240 5.0 8.0 500 110
20... 0740 402 -- -- -- -- 1370 -- 7.5 -- --
MAY
22... 1145 336 -- -- -- -- 1150 -- 17.2 -- --
JUN
27... 0850 -- 2030 -- -- -- 924 19.0 20.0 -- --
29... 1110 1970 -- -- -- -- 2000 -- 21.5 -- --
JUL
18... 1600 848 -- -- -- -- 1200 -- 24.3 -- --
AUG
08... 1755 -- 386 8.2 8.0 -- 897 29.0 26.0 350 75.0
22... 0800 252 -- -- -- -- 1010 -- 19.6 -- --
SEP
14... 1100 430 -- -- -- -- 971 -- -- -- --
WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
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
04... -- -- -- -- -- -- -- -- -- -- --
05... -- -- -- -- -- -- -- -- -- -- --
25... -- -- -- -- -- -- -- -- -- -- --
NOV
17... -- -- -- -- -- -- -- -- -- -- --
29... -- -- -- -- -- -- -- -- -- -- --
DEC
07... -- -- -- -- -- -- -- -- -- -- --
29... -- -- -- -- -- -- -- -- -- -- --
JAN
21... -- -- -- -- -- -- -- -- -- -- --
FEB
08... -- -- -- -- -- -- -- -- -- -- --
MAR
07... -- -- -- -- -- -- -- -- -- -- --
23... -- -- -- -- -- -- -- -- -- -- --
APR
11... 54.0 10.0 2 92.0 28 339 40.0 .2 300 732 826
20... -- -- -- -- -- -- -- -- -- -- --
MAY
22... -- -- -- -- -- -- -- -- -- -- --
JUN
27... -- -- -- -- -- -- -- -- -- -- --
29... -- -- -- -- -- -- -- -- -- -- --
JUL
18... -- -- -- -- -- -- -- -- -- -- --
AUG
08... 40.0 10.0 2 79.0 32 294 15.0 .2 200 669 642
22... -- -- -- -- -- -- -- -- -- -- --
SEP
14... -- -- -- -- -- -- -- -- -- -- --
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
04... -- -- -- -- -- -- -- -- -- --
05... -- -- -- -- -- -- -- -- -- --
25... -- -- -- -- -- -- -- -- -- --
NOV
17... -- -- -- -- -- -- -- -- -- --
29... -- -- -- -- -- -- -- -- -- --
DEC
07... -- -- -- -- -- -- -- -- -- --
29... -- -- -- -- -- -- -- -- -- --
JAN
21... -- -- -- -- -- -- -- -- -- --
FEB
08... -- -- -- -- -- -- -- -- -- --
MAR
07... -- -- -- -- -- -- -- -- -- --
23... -- -- -- -- -- -- -- -- -- --
APR
11... 810 4.0 20 <1 70.0 50 <.1 <1 <1.0 540
20... -- -- -- -- -- -- -- -- -- --
MAY
22... -- -- -- -- -- -- -- -- -- --
JUN
27... -- -- -- -- -- -- -- -- -- --
29... -- -- -- -- -- -- -- -- -- --
JUL
18... -- -- -- -- -- -- -- -- -- --
AUG
08... 596 11.0 40 <1 70.0 30 <.1 2 1.0 360
22... -- -- -- -- -- -- -- -- -- --
SEP
14... -- -- -- -- -- -- -- -- -- --
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 12.0 10.6 11.1 7.3 6.8 7.1 .6 .6 .6 .2 .1 .1
2 10.6 9.6 10.0 6.8 5.9 6.2 .6 .5 .6 .2 .0 .1
3 10.0 8.9 9.3 6.1 5.3 5.5 .6 .5 .6 .1 .0 .1
4 9.3 8.2 8.8 5.4 4.7 5.0 .6 .5 .6 .1 -.1 -.1
5 9.2 8.4 8.7 5.0 4.6 4.8 .6 .4 .5 .1 .0 .1
6 8.6 7.4 8.0 4.8 4.3 4.5 .6 .5 .5 .1 .0 .0
7 8.7 8.1 8.3 5.0 4.3 4.6 .6 .5 .6 .1 -.1 .0
8 9.9 8.2 8.9 5.5 4.8 5.1 .6 .5 .6 .1 .0 .1
9 11.2 9.4 10.1 5.7 5.2 5.4 .6 .4 .5 .1 .0 .1
10 11.7 10.4 11.0 5.7 5.4 5.6 .6 .5 .6 .1 .0 .1
11 11.7 10.5 11.1 5.7 5.3 5.5 .6 .4 .5 .1 .0 .1
12 11.5 11.0 11.2 5.6 5.3 5.4 .5 .4 .4 .1 .0 .1
13 11.2 10.2 10.8 6.0 5.4 5.6 .5 .4 .4 .1 .0 .1
14 11.0 10.3 10.7 5.9 5.3 5.5 .4 .4 .4 .1 .1 .1
15 11.1 10.4 10.7 5.4 4.9 5.1 .4 .3 .4 .1 .0 .1
16 11.0 9.8 10.2 5.0 4.5 4.7 .3 .2 .3 .1 .0 .1
17 9.9 8.9 9.3 4.6 4.1 4.3 .4 .3 .4 .1 .1 .1
18 9.3 8.7 9.0 4.3 3.9 4.1 .5 .4 .4 .1 .0 .1
19 9.1 8.4 8.6 4.2 3.5 3.8 .5 .4 .4 .1 .0 .1
20 8.6 7.5 8.1 3.5 2.9 3.1 .4 .2 .3 .1 -.1 .0
21 8.9 8.1 8.5 3.1 2.7 2.9 .4 .2 .3 .1 .0 .0
22 8.6 7.5 7.9 3.0 2.8 2.9 .3 .2 .2 .1 .0 .0
23 7.7 6.4 7.0 2.9 2.5 2.7 .4 .2 .3 .1 .0 .0
24 6.9 5.7 6.4 2.7 2.3 2.4 .3 .3 .3 .1 .0 .1
25 7.1 6.2 6.6 2.4 2.0 2.1 .3 .3 .3 .1 .0 .1
26 7.0 6.5 6.8 2.0 1.5 1.7 .3 .2 .3 .0 .0 .0
27 7.2 6.5 6.8 1.5 .9 1.1 .3 .1 .2 .1 -.1 .0
28 7.1 6.4 6.6 .9 .6 .7 .3 .2 .2 .0 -.1 -.1
29 6.7 6.3 6.5 .7 .6 .6 .3 .1 .2 .0 -.1 -.1
30 6.7 6.3 6.5 .7 .6 .6 .2 .1 .2 .0 -.1 -.1
31 7.3 6.4 6.8 --- --- --- .2 .1 .2 .0 -.1 -.1
MONTH 12.0 5.7 8.7 7.3 .6 4.0 .6 .1 .4 .2 -.1 .0
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
FEBRUARY MARCH APRIL MAY
1 .1 -.1 .0 --- --- --- 9.2 7.7 8.4 16.5 14.7 15.6
2 .0 .0 .0 --- --- --- 8.9 8.3 8.6 17.5 15.4 16.4
3 .1 .0 .0 --- --- --- 8.6 7.6 8.1 18.7 16.7 17.6
4 .0 -.1 .0 --- --- --- 8.8 7.2 7.9 19.8 17.8 18.7
5 .0 -.1 .0 --- --- --- 8.5 7.6 8.1 21.7 19.4 20.4
6 .0 -.1 .0 --- --- --- 8.6 7.1 7.8 21.9 21.0 21.4
7 .0 -.1 .0 --- --- --- 8.9 7.3 8.1 21.4 20.3 21.0
8 .2 -.1 .0 --- --- --- 9.1 7.4 8.2 20.3 19.4 19.9
9 .1 .1 .1 --- --- --- 9.3 7.7 8.5 19.7 18.4 19.1
10 .1 .0 .1 --- --- --- 8.8 7.2 8.1 19.1 17.6 18.3
11 .1 .0 .0 --- --- --- 8.3 6.4 7.3 17.6 16.8 17.2
12 .1 .0 .0 --- --- --- 7.8 6.2 6.9 16.8 14.9 16.2
13 .1 .0 .0 --- --- --- 7.9 5.8 6.7 14.9 13.4 13.9
14 --- --- --- --- --- --- 7.5 5.0 6.2 14.1 12.5 13.3
15 --- --- --- --- --- --- 6.2 4.3 5.2 14.0 13.2 13.6
16 --- --- --- --- --- --- 6.4 5.1 5.7 15.4 13.6 14.5
17 --- --- --- --- --- --- 7.2 5.8 6.4 15.6 14.9 15.2
18 --- --- --- --- --- --- 8.8 6.6 7.5 16.5 14.5 15.4
19 --- --- --- --- --- --- 8.4 7.8 8.1 17.1 15.2 16.1
20 --- --- --- --- --- --- 10.0 7.7 8.7 16.8 16.3 16.6
21 --- --- --- --- --- --- 10.8 9.0 9.9 17.8 16.3 17.0
22 --- --- --- --- --- --- 12.6 10.6 11.5 18.2 17.0 17.6
23 --- --- --- --- --- --- 14.1 12.2 13.0 18.9 17.5 18.1
24 --- --- --- --- --- --- 15.6 13.8 14.6 18.4 17.4 17.9
25 --- --- --- --- --- --- 16.7 15.0 15.7 --- --- ---
26 --- --- --- --- --- --- 16.6 16.0 16.3 --- --- ---
27 --- --- --- --- --- --- 16.6 16.0 16.2 19.6 18.2 18.8
28 --- --- --- --- --- --- 16.6 14.9 15.8 19.1 17.3 18.1
29 --- --- --- 7.1 5.7 6.4 16.5 15.1 15.8 18.6 17.8 18.2
30 --- --- --- 8.3 6.7 7.4 16.1 15.4 15.8 20.2 17.5 18.6
31 --- --- --- 8.3 7.8 8.0 --- --- --- 19.8 18.5 19.2
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 19.1 17.9 18.4 23.7 22.5 23.0 26.7 25.8 26.2 19.8 19.2 19.4
2 19.2 17.4 18.2 24.2 23.5 23.8 26.4 25.4 25.9 19.2 18.3 18.7
3 18.6 16.9 17.5 24.3 23.8 24.0 26.2 25.2 25.5 19.3 18.2 18.7
4 18.3 16.4 17.2 25.1 24.1 24.5 25.8 24.5 25.1 19.6 18.8 19.2
5 18.9 16.8 17.8 25.4 24.6 25.0 26.0 24.9 25.4 19.5 18.9 19.2
6 19.8 18.0 18.8 25.9 25.1 25.5 25.9 25.0 25.4 --- --- ---
7 21.6 19.3 20.3 26.0 25.4 25.7 26.2 24.5 25.2 --- --- ---
8 23.6 21.2 22.2 26.3 25.6 25.9 26.2 25.3 25.7 --- --- ---
9 25.6 22.9 24.1 26.6 25.9 26.2 26.2 24.7 25.4 --- --- ---
10 25.5 24.5 25.0 26.9 26.1 26.4 26.7 24.7 25.7 --- --- ---
11 25.7 23.6 24.5 26.6 25.9 26.2 27.6 25.4 26.4 --- --- ---
12 25.6 24.0 24.8 26.8 25.6 26.1 27.9 26.4 27.1 --- --- ---
13 24.9 23.8 24.1 27.1 26.1 26.6 27.2 25.8 26.5 --- --- ---
14 23.9 21.7 22.8 27.6 26.5 27.0 26.6 25.3 25.8 --- --- ---
15 21.7 20.5 21.2 27.9 26.8 27.4 25.8 24.4 24.9 18.1 17.1 17.6
16 20.5 18.7 19.4 27.7 26.9 27.2 24.7 21.8 23.1 18.0 17.1 17.5
17 19.7 17.9 18.8 27.0 25.6 26.2 22.0 21.2 21.6 18.6 17.4 17.9
18 21.0 18.8 19.8 25.8 24.3 24.8 22.1 20.5 21.3 19.4 18.2 18.7
19 21.1 19.7 20.4 24.3 23.2 23.6 21.5 20.5 21.1 19.4 18.6 19.1
20 21.0 20.2 20.5 23.3 22.5 22.9 21.5 20.8 21.2 18.6 17.3 18.0
21 20.9 19.4 19.9 22.9 22.1 22.5 22.4 20.9 21.5 17.3 16.3 16.7
22 21.1 19.4 20.1 23.4 22.0 22.6 22.5 21.1 21.8 16.3 14.4 15.6
23 22.1 20.9 21.4 24.0 22.8 23.3 23.2 21.4 22.3 14.4 13.3 13.9
24 22.9 21.7 22.2 24.3 23.1 23.7 23.8 21.7 22.7 13.3 12.3 12.8
25 22.8 22.2 22.4 24.6 24.1 24.3 24.3 22.8 23.5 13.2 11.9 12.5
26 22.2 21.8 22.0 25.6 24.5 25.0 24.8 23.1 24.0 13.4 12.2 12.7
27 22.0 21.4 21.7 26.0 25.1 25.5 24.5 23.6 24.0 13.2 12.3 12.7
28 22.0 21.3 21.7 26.6 25.6 26.1 24.0 23.2 23.7 13.9 12.6 13.2
29 22.3 21.3 21.8 27.0 25.9 26.5 23.2 22.0 22.7 14.6 13.4 14.0
30 22.9 21.7 22.3 27.2 26.3 26.7 22.6 21.7 22.0 15.4 14.3 14.8
31 --- --- --- 27.0 26.4 26.6 21.8 19.8 20.5 --- --- ---
MONTH --- --- --- --- --- --- 27.9 19.8 24.0 --- --- ---
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 1010 1010 1010 993 988 991 1080 1070 1080 1170 1170 1170
2 1030 1010 1020 999 992 997 1080 1080 1080 1170 1150 1170
3 1030 1020 1020 1000 998 1000 1080 1070 1080 1150 1140 1140
4 1020 1010 1010 1010 1000 1010 1080 1070 1080 1140 1140 1140
5 1010 1010 1010 1010 1010 1010 1100 1080 1090 1140 1140 1140
6 1010 1010 1010 1010 1010 1010 1100 1090 1090 1150 1140 1140
7 1010 1000 1010 1020 1010 1010 1100 1090 1100 1150 1140 1150
8 1000 999 1000 1010 1000 1010 1100 1100 1100 1150 1140 1150
9 1000 1000 1000 1010 1000 1010 1100 1100 1100 1150 1150 1150
10 1000 997 1000 1010 1000 1010 1100 1100 1100 1150 1150 1150
11 1000 998 1000 1010 1000 1010 1100 1100 1100 1160 1150 1160
12 1010 1000 1010 1010 1010 1010 1120 1100 1110 1160 1160 1160
13 1010 1010 1010 1010 1010 1010 1130 1120 1120 1160 1160 1160
14 1020 1010 1010 1020 1010 1010 1130 1120 1130 1160 1160 1160
15 1020 1010 1010 1020 1020 1020 1130 1120 1130 1170 1160 1170
16 1020 1010 1010 1020 1020 1020 1140 1130 1130 1170 1170 1170
17 1010 999 1000 1030 1020 1030 1140 1140 1140 1170 1170 1170
18 1000 999 1000 1030 1030 1030 1150 1140 1140 1180 1170 1180
19 1000 998 1000 1030 1030 1030 1150 1150 1150 1190 1180 1180
20 1000 998 1000 1040 1030 1040 1160 1150 1160 1190 1190 1190
21 1010 1000 1010 1040 1040 1040 1160 1160 1160 1190 1180 1190
22 1020 1010 1010 1040 1040 1040 1160 1160 1160 1200 1190 1190
23 1020 1010 1010 1050 1040 1050 1160 1160 1160 1210 1200 1200
24 1020 1000 1010 1050 1050 1050 1160 1160 1160 1210 1210 1210
25 1010 996 1000 1060 1050 1050 1160 1160 1160 1220 1210 1210
26 997 989 994 1060 1050 1050 1160 1160 1160 1220 1220 1220
27 994 984 990 1060 1060 1060 1170 1160 1160 1230 1220 1230
28 990 985 987 1070 1060 1070 1170 1160 1160 1230 1220 1230
29 992 986 990 1070 1070 1070 1170 1160 1170 1230 1230 1230
30 995 992 993 1070 1070 1070 1170 1170 1170 1230 1230 1230
31 997 992 994 --- --- --- 1170 1170 1170 1230 1220 1220
MONTH 1030 984 1000 1070 988 1030 1170 1070 1130 1230 1140 1180
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 1220 1210 1220 --- --- --- 1080 1080 1080 1400 1370 1390
2 1220 1220 1220 --- --- --- 1090 1070 1080 1390 1180 1300
3 1220 1220 1220 --- --- --- 1090 1080 1080 1510 1180 1350
4 1230 1220 1220 --- --- --- 1090 1080 1090 1540 1510 1530
5 1230 1220 1220 --- --- --- 1120 1090 1100 1550 1530 1540
6 1220 1210 1220 --- --- --- 1140 1120 1130 1570 1540 1550
7 1210 1210 1210 --- --- --- 1150 1110 1130 1610 1560 1590
8 1210 1200 1210 --- --- --- 1150 1120 1130 1610 1490 1570
9 1210 1210 1210 --- --- --- 1170 1150 1160 1490 1440 1460
10 1220 1210 1210 --- --- --- 1190 1170 1190 1450 1430 1440
11 1220 1220 1220 --- --- --- 1210 1190 1200 1430 1400 1420
12 1220 1210 1210 --- --- --- 1220 1210 1220 1400 1360 1380
13 1220 1210 1220 --- --- --- 1230 1220 1230 1360 1340 1350
14 --- --- --- --- --- --- 1270 1230 1250 1340 1330 1340
15 --- --- --- --- --- --- 1290 1270 1280 1330 1310 1320
16 --- --- --- --- --- --- 1300 1290 1300 1310 1280 1290
17 --- --- --- --- --- --- 1310 1300 1300 1290 1270 1280
18 --- --- --- --- --- --- 1330 1310 1320 1270 1260 1270
19 --- --- --- --- --- --- 1360 1330 1340 1270 1260 1260
20 --- --- --- --- --- --- 1380 1360 1360 1260 1260 1260
21 --- --- --- --- --- --- 1400 1370 1380 1260 1250 1250
22 --- --- --- --- --- --- 1410 1390 1400 1260 1240 1250
23 --- --- --- --- --- --- 1400 1390 1390 1250 1240 1250
24 --- --- --- --- --- --- 1410 1280 1370 1250 1210 1230
25 --- --- --- --- --- --- 1280 1260 1260 1230 1190 1210
26 --- --- --- --- --- --- 1280 1260 1270 1280 1250 1260
27 --- --- --- --- --- --- 1300 1280 1290 1330 1280 1300
28 --- --- --- --- --- --- 1330 1300 1310 1350 1330 1340
29 --- --- --- 1060 1040 1050 1350 1330 1340 1360 1350 1360
30 --- --- --- 1080 1060 1070 1370 1350 1360 1380 1360 1370
31 --- --- --- 1090 1080 1080 --- --- --- 1410 1380 1390
MONTH --- --- --- --- --- --- 1410 1070 1240 1610 1180 1360
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
JUNE JULY AUGUST SEPTEMBER
1 1420 1410 1420 1050 1030 1040 956 917 935 989 979 983
2 1410 1380 1390 1070 1040 1060 917 897 903 979 967 973
3 1380 1350 1350 1090 1070 1080 897 889 891 967 957 960
4 1360 1330 1350 1100 1090 1100 899 889 893 957 951 954
5 1340 1230 1290 1110 1100 1100 909 898 904 954 944 948
6 1240 1200 1210 1120 1110 1110 916 908 912 --- --- ---
7 1200 1180 1190 1130 1120 1120 923 915 918 --- --- ---
8 1230 1200 1220 1140 1130 1140 927 922 924 --- --- ---
9 1220 1200 1210 1150 1140 1140 942 927 936 --- --- ---
10 1200 1190 1200 1170 1150 1150 953 942 946 --- --- ---
11 1190 1100 1130 1170 1160 1170 962 951 956 --- --- ---
12 1100 1090 1100 1160 1140 1150 966 956 962 --- --- ---
13 1090 1040 1060 1160 1140 1150 967 962 964 --- --- ---
14 1060 1030 1040 1170 1160 1160 965 961 964 --- --- ---
15 1080 1060 1070 1200 1170 1180 962 953 956 993 982 987
16 1080 967 1050 1200 1190 1200 958 947 952 986 982 984
17 967 847 894 1210 1200 1210 956 947 951 987 979 983
18 979 845 896 1210 1190 1200 951 943 947 985 978 981
19 1010 906 965 1200 1190 1200 956 950 952 979 973 976
20 986 868 931 1190 1170 1180 960 955 957 975 961 968
21 887 868 879 1170 1150 1160 969 959 963 961 951 956
22 925 887 901 1150 1120 1130 978 968 972 958 939 947
23 972 925 949 1120 1090 1100 989 978 982 947 932 942
24 1060 972 1030 1090 1060 1070 1000 989 994 934 920 928
25 1090 1060 1070 1060 1030 1050 1020 1000 1010 924 915 921
26 1110 1090 1100 1030 1010 1020 1030 1020 1020 935 909 918
27 1110 1100 1110 1010 1000 1010 1040 1030 1040 963 935 954
28 1110 1100 1110 1000 998 1000 1040 1030 1040 960 948 955
29 1110 1100 1110 998 990 994 1030 1020 1020 955 944 950
30 1110 1050 1090 990 980 986 1020 1000 1010 962 941 950
31 --- --- --- 981 956 972 1000 989 995 --- --- ---
MONTH 1420 845 1110 1210 956 1110 1040 889 960 --- --- ---
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