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 upstream side of bridge on State Highway 133 in 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 rain gage, 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 good except those for estimated daily discharges, which are poor. |
DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 16 | 186 | 411 | e140 | 2020 | e360 | 1170 | 1700 | 546 | 126 | 15 | 15 |
2 | 18 | 174 | 405 | e130 | 2540 | e380 | 919 | 1340 | 448 | 114 | 14 | 14 |
3 | 17 | 158 | 304 | e120 | 2040 | 793 | 749 | 1070 | 383 | 102 | 14 | 13 |
4 | 18 | 133 | 239 | e120 | 1540 | 1030 | 594 | 842 | 328 | 92 | 14 | 13 |
5 | 20 | 114 | 194 | e120 | 1150 | 854 | 489 | 691 | 327 | 87 | 14 | 13 |
6 | 24 | 107 | 167 | e130 | 866 | 730 | 424 | 684 | 441 | e76 | 13 | 13 |
7 | 29 | 100 | 151 | e135 | 685 | 717 | 383 | 1900 | 409 | e66 | 13 | 12 |
8 | 22 | 95 | 135 | e140 | 555 | 682 | 410 | 2600 | 325 | e59 | 14 | 12 |
9 | 20 | 92 | 120 | 141 | 460 | 786 | 657 | 2540 | 275 | e50 | 14 | 11 |
10 | 21 | 84 | 105 | 128 | 413 | 1200 | 764 | 2560 | 257 | e44 | 14 | 10 |
11 | 22 | 81 | 96 | 114 | 394 | 1150 | 662 | 2100 | e500 | e39 | 14 | 9.9 |
12 | 59 | 80 | 94 | 102 | 395 | 909 | 588 | 3850 | 1250 | e34 | 13 | 9.9 |
13 | 125 | 72 | 137 | 103 | 374 | 756 | 651 | 7990 | 1480 | e31 | 14 | 9.9 |
14 | 456 | 68 | 271 | 104 | 315 | 646 | 617 | 7570 | 1360 | e27 | 14 | 11 |
15 | 676 | 64 | 505 | 101 | 285 | 576 | 537 | 5170 | 1110 | e24 | 14 | 13 |
16 | 657 | 60 | 631 | 88 | 272 | 549 | 461 | 3230 | 853 | 22 | 16 | 13 |
17 | 615 | 57 | 1040 | 82 | 240 | 526 | 392 | 2280 | 662 | 21 | 38 | 14 |
18 | 548 | 56 | 1640 | 73 | 203 | 487 | 345 | 1970 | 522 | 20 | 23 | 15 |
19 | 406 | 56 | 1690 | 86 | 208 | 433 | 317 | 1660 | 416 | 19 | 17 | e19 |
20 | 280 | 55 | 1340 | 88 | 960 | 407 | 403 | 1350 | 340 | 22 | 96 | e26 |
21 | 196 | 55 | 996 | 86 | 2000 | 386 | 1470 | 1070 | 289 | 21 | 61 | e30 |
22 | 148 | 53 | 768 | 81 | 1850 | 337 | 2710 | 872 | 263 | 19 | 26 | e23 |
23 | 133 | 54 | 647 | 76 | 1410 | 308 | 2250 | 743 | 243 | 24 | 32 | e18 |
24 | 262 | 51 | 561 | 83 | 1080 | 305 | 1660 | 651 | 229 | 27 | 207 | e13 |
25 | 596 | 55 | 461 | 80 | 863 | 410 | 1950 | 579 | 227 | 22 | 100 | e12 |
26 | 852 | 61 | 380 | 71 | 723 | 741 | 2080 | 503 | 268 | 19 | 59 | e11 |
27 | 742 | 50 | e300 | 71 | e550 | 731 | 1720 | 430 | 244 | 21 | 34 | e10 |
28 | 529 | 50 | e250 | 73 | e400 | 733 | 2750 | 561 | 202 | 21 | 24 | e9.5 |
29 | 365 | 77 | e200 | 74 | --- | 1180 | 3190 | 807 | 166 | 20 | 20 | e9.5 |
30 | 264 | 211 | e170 | 97 | --- | 1610 | 2380 | 802 | 145 | 18 | 18 | e9.0 |
31 | 209 | --- | e150 | 610 | --- | 1500 | --- | 671 | --- | 17 | 16 | --- |
TOTAL | 8345 | 2609 | 14558 | 3647 | 24791 | 22212 | 33692 | 60786 | 14508 | 1304 | 995 | 411.7 |
MEAN | 269.2 | 86.97 | 469.6 | 117.6 | 885.4 | 716.5 | 1123 | 1961 | 483.6 | 42.06 | 32.10 | 13.72 |
MAX | 852 | 211 | 1690 | 610 | 2540 | 1610 | 3190 | 7990 | 1480 | 126 | 207 | 30 |
MIN | 16 | 50 | 94 | 71 | 203 | 305 | 317 | 430 | 145 | 17 | 13 | 9.0 |
CFSM | 0.75 | 0.24 | 1.31 | 0.33 | 2.47 | 2.00 | 3.14 | 5.48 | 1.35 | 0.12 | 0.09 | 0.04 |
IN. | 0.87 | 0.27 | 1.51 | 0.38 | 2.58 | 2.31 | 3.50 | 6.32 | 1.51 | 0.14 | 0.10 | 0.04 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 101.2 | 92.93 | 166.8 | 277.9 | 613.4 | 548.6 | 534.7 | 946.6 | 672.9 | 142.5 | 55.57 | 49.23 |
MAX | 355 | 377 | 470 | 529 | 1219 | 1233 | 1123 | 2146 | 1378 | 475 | 100 | 200 |
(WY) | 2001 | 2001 | 2002 | 1998 | 2001 | 1998 | 2002 | 1996 | 1998 | 2000 | 2000 | 2000 |
MIN | 11.4 | 22.5 | 18.3 | 29.6 | 117 | 114 | 107 | 114 | 370 | 38.0 | 15.1 | 8.98 |
(WY) | 1997 | 2000 | 1999 | 2000 | 2000 | 2000 | 2000 | 2001 | 1995 | 2001 | 1996 | 1998 |
SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1995 - 2002 | |||
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ANNUAL TOTAL | 114495 | 187858.7 | ||||
ANNUAL MEAN | 313.7 | 514.7 | 352.9 | |||
HIGHEST ANNUAL MEAN | 551 | 1998 | ||||
LOWEST ANNUAL MEAN | 177 | 2000 | ||||
HIGHEST DAILY MEAN | 3340 | Feb 26 | 7990 | May 13 | 7990 | May 13 2002 |
LOWEST DAILY MEAN | 16 | A | 9.0 B | Sep 30 | 4.7 | Sep 10 1998 |
ANNUAL SEVEN-DAY MINIMUM | 16 | Aug 12 | 11 | Sep 8 | 6.0 | Sep 15 1999 |
MAXIMUM PEAK FLOW | 8530 | May 13 | 8530 | May 13 2002 | ||
MAXIMUM PEAK STAGE | 45.52 | May 13 | 45.52 | May 13 2002 | ||
INSTANTANEOUS LOW FLOW | 4.1 | Sep 19 1999 | ||||
ANNUAL RUNOFF (CFSM) | 0.88 | 1.44 | 0.99 | |||
ANNUAL RUNOFF (INCHES) | 11.90 | 19.52 | 13.39 | |||
10 PERCENT EXCEEDS | 829 | 1380 | 974 | |||
50 PERCENT EXCEEDS | 130 | 207 | 115 | |||
90 PERCENT EXCEEDS | 20 | 14 | 14 |
B - Estimated, but may have been less during period of estimated discharges in September. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |