LOCATION.-- Lat 39°42'11", long 88°23'11" (NAD of 1927), in SE1/4NW1/4 sec.35, T.15 N., R.7 E., Douglas County, Hydrologic Unit 07140201, on left bank at downstream side of bridge on State Highway 133 at Chesterville, and at mile 254.0. |
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DRAINAGE AREA.-- 358 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: May 1995 to current year. |
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STAGE: May 1995 to current year. Gage-height record for Jan. 1974 to July 1983, and Apr. 4, 1995 to May 11, 1995 available in files of U.S. Army Corps of Engineers. |
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GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 600.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,530 ft3/s, May 13, 2002, gage height, 45.52 ft; minimum discharge, 4.1 ft3/s, Sept. 19, 1999. |
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EXTREMES OUTSIDE PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Flood of Mar. 5, 1979 reached a stage of 44.84 ft, discharge undetermined, from information by the U.S. Army Corps of Engineers. |
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REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 33 | 32 | 361 | 1380 | e150 | 193 | 3270 | 186 | 294 | 97 | 50 | 64 |
2 | 31 | 33 | 300 | 1010 | e140 | 203 | 2320 | 194 | 234 | 88 | 40 | 45 |
3 | 29 | 29 | 261 | 795 | e135 | 174 | 1660 | 180 | 203 | 85 | 35 | 35 |
4 | 29 | 28 | 251 | 1400 | e130 | 233 | 1230 | 167 | 181 | 90 | 33 | 29 |
5 | 32 | 30 | 248 | 3440 | e125 | 1040 | 920 | 164 | 168 | 96 | 31 | 23 |
6 | 30 | 35 | 239 | 3660 | e120 | 1860 | 692 | 160 | 167 | 77 | 31 | 20 |
7 | 28 | 37 | 212 | 2560 | e115 | 1600 | 549 | 148 | 161 | 97 | 27 | 17 |
8 | 26 | 30 | 206 | 1610 | e110 | 1120 | 488 | 140 | 152 | 216 | 25 | 15 |
9 | 26 | 30 | 209 | 1050 | e107 | 776 | 428 | 133 | 139 | 151 | 24 | 16 |
10 | 27 | 29 | 212 | 701 | e106 | 549 | 369 | 133 | 133 | 199 | 25 | 15 |
11 | 27 | 29 | 240 | 512 | e105 | 453 | 336 | 226 | 301 | 765 | 41 | 14 |
12 | 27 | 30 | 204 | 473 | e104 | 395 | 314 | 318 | 1050 | 1260 | 35 | 13 |
13 | 27 | 31 | 177 | 445 | e103 | 338 | 299 | 317 | 1340 | 1100 | 28 | 13 |
14 | 35 | 33 | 180 | 408 | e103 | 312 | 283 | 395 | 1020 | 873 | 26 | 13 |
15 | 51 | 30 | 180 | 396 | e102 | 296 | 252 | 985 | 625 | 1020 | 24 | 17 |
16 | 56 | 34 | 174 | 361 | e101 | 282 | 231 | 1330 | 499 | 909 | 23 | 47 |
17 | 44 | 30 | 164 | 359 | e100 | 287 | 220 | 1110 | 690 | 585 | 23 | 40 |
18 | 40 | 125 | 143 | 487 | e115 | 270 | 202 | 798 | 1020 | 397 | 24 | 26 |
19 | 38 | 935 | 138 | 528 | e150 | 235 | 186 | 731 | 906 | 274 | 22 | 24 |
20 | 36 | 1870 | 112 | 444 | e230 | 210 | 204 | 1010 | 606 | 188 | 27 | 18 |
21 | 33 | 1690 | 123 | 371 | 400 | 207 | 264 | 933 | 443 | 145 | 28 | 16 |
22 | 35 | 1230 | 148 | 339 | 330 | 173 | e240 | 698 | 373 | 117 | 27 | 15 |
23 | 34 | 899 | 434 | 258 | 271 | 165 | 250 | 523 | 312 | 103 | 23 | 15 |
24 | 32 | 1050 | 1330 | e260 | 274 | 170 | 294 | 453 | 258 | 87 | 23 | 13 |
25 | 30 | 1320 | 1520 | e270 | 266 | 177 | 283 | 439 | 215 | 72 | 24 | 12 |
26 | 31 | 1180 | 1130 | e300 | 240 | 379 | 287 | 470 | 192 | 62 | 42 | 14 |
27 | 33 | 879 | 773 | e250 | 217 | 2390 | 246 | 441 | 173 | 57 | 67 | 13 |
28 | 31 | 634 | 562 | e220 | 194 | 4040 | 208 | 390 | 148 | 54 | 57 | 11 |
29 | 29 | 483 | 903 | e200 | 183 | 3290 | 194 | 334 | 131 | 47 | 48 | 10 |
30 | 30 | 414 | 1800 | e180 | --- | 2880 | 189 | 306 | 111 | 45 | 85 | 11 |
31 | 28 | --- | 1820 | e160 | --- | 3380 | --- | 307 | --- | 49 | 108 | --- |
TOTAL | 1018 | 13239 | 14754 | 24827 | 4826 | 28077 | 16908 | 14119 | 12245 | 9405 | 1126 | 634 |
MEAN | 32.8 | 441 | 476 | 801 | 166 | 906 | 564 | 455 | 408 | 303 | 36.3 | 21.1 |
MAX | 56 | 1870 | 1820 | 3660 | 400 | 4040 | 3270 | 1330 | 1340 | 1260 | 108 | 64 |
MIN | 26 | 28 | 112 | 160 | 100 | 165 | 186 | 133 | 111 | 45 | 22 | 10 |
CFSM | 0.09 | 1.23 | 1.33 | 2.24 | 0.46 | 2.53 | 1.57 | 1.27 | 1.14 | 0.85 | 0.10 | 0.06 |
IN. | 0.11 | 1.38 | 1.53 | 2.58 | 0.50 | 2.92 | 1.76 | 1.47 | 1.27 | 0.98 | 0.12 | 0.07 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 2004, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 84.2 | 123 | 185 | 307 | 500 | 537 | 485 | 830 | 600 | 174 | 50.2 | 51.2 |
MAX | 355 | 441 | 476 | 801 | 1219 | 1233 | 1123 | 2146 | 1378 | 475 | 100 | 200 |
(WY) | 2001 | 2004 | 2004 | 2004 | 2001 | 1998 | 2002 | 1996 | 1998 | 2000 | 2000 | 2000 |
MIN | 11.4 | 18.8 | 17.7 | 14.2 | 39.7 | 86.5 | 54.1 | 114 | 208 | 38.0 | 15.1 | 8.98 |
(WY) | 1997 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2001 | 2003 | 2001 | 1996 | 1998 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1995 - 2004 | |||
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ANNUAL TOTAL | 65948.6 | 141178 | ||||
ANNUAL MEAN | 181 | 386 | 329 | |||
HIGHEST ANNUAL MEAN | 551 | 1998 | ||||
LOWEST ANNUAL MEAN | 106 | 2003 | ||||
HIGHEST DAILY MEAN | 1890 | Jul 11 | 4040 | Mar 28 | 7990 | May 13 2002 |
LOWEST DAILY MEAN | 9.4 A | Jan 25-27 | 10 | Sep 29 | 4.7 | Sep 10 1998 |
ANNUAL SEVEN-DAY MINIMUM | 9.5 A | Jan 23 | 12 | Sep 24 | 6.0 | Sep 15 1999 |
MAXIMUM PEAK FLOW | 4180 | Mar 28 | 8530 | May 13 2002 | ||
MAXIMUM PEAK STAGE | 41.09 | Mar 28 | 45.52 | May 13 2002 | ||
INSTANTANEOUS LOW FLOW | 9.7 | Sep 29 | 4.1 | Sep 19 1999 | ||
ANNUAL RUNOFF (CFSM) | 0.505 | 1.08 | 0.919 | |||
ANNUAL RUNOFF (INCHES) | 6.85 | 14.67 | 12.49 | |||
10 PERCENT EXCEEDS | 551 | 1040 | 920 | |||
50 PERCENT EXCEEDS | 54 | 180 | 102 | |||
90 PERCENT EXCEEDS | 17 | 26 | 14 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |