LOCATION.-- Lat 40°18'38", long 88°19'20" (NAD of 1927), in NE1/4NW1/4 sec.5, T.21 N., R.8 E., Champaign County, Hydrologic Unit 07130006, on left downstream side of bridge on U.S. Highway 136, 1.2 mi east of Fisher, 8.8 mi west of Rantoul, and at mile 201.1. |
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DRAINAGE AREA.-- 240 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1978 to current year. |
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STAGE: Water years 1994 to current year. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1979-91. |
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BIOLOGICAL |
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ALGAE: Water year 1997. |
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BENTHIC MACROINVERTEBRATES: Water year 1997. |
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REVISED RECORDS.-- WDR IL-06: 2004. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 683.23 ft above NGVD of 1929 (683.08 ft NAVD 1988). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 13,000 ft3/s, Apr. 12, 1994, gage height, 21.58 ft; no flow several days in 1988, 1994, 1999 and 2000. |
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 | 31 | 28 | 263 | 253 | e68 | 78 | 1490 | 108 | 2770 | 106 | 25 | 30 |
2 | 27 | 25 | 223 | 241 | e66 | 85 | 1100 | 108 | 1690 | 98 | 21 | 22 |
3 | 26 | 27 | 209 | 231 | e63 | 71 | 763 | 111 | 906 | 94 | 19 | 17 |
4 | 28 | 32 | 204 | 342 | e61 | 80 | 548 | 116 | 468 | 96 | 23 | 14 |
5 | 26 | 55 | 203 | 654 | e60 | 531 | 431 | 110 | 364 | 86 | 26 | 12 |
6 | 22 | 86 | 212 | 445 | e58 | 706 | 364 | 100 | 313 | 75 | 18 | 11 |
7 | 20 | 74 | 217 | 349 | e57 | 460 | 321 | 91 | 271 | 73 | 14 | 9.1 |
8 | 19 | 60 | 222 | 277 | e56 | 321 | 287 | 84 | 240 | 67 | 13 | 8.2 |
9 | 18 | 50 | 222 | 233 | e55 | 254 | 246 | 83 | 214 | 62 | 12 | 7.4 |
10 | 18 | 43 | 246 | 196 | e54 | 204 | 215 | 80 | 209 | 198 | 16 | 6.3 |
11 | 16 | 52 | 305 | 184 | e52 | 184 | 198 | 82 | 1310 | 251 | 13 | 7.1 |
12 | 15 | 93 | 255 | 180 | e51 | 159 | 181 | 87 | 2460 | 135 | 10 | 7.3 |
13 | 15 | 114 | 221 | 157 | e51 | 138 | 170 | 127 | 1740 | 95 | 9.5 | 6.9 |
14 | 22 | 79 | 212 | 149 | e51 | 134 | 159 | 311 | 926 | 102 | 9.1 | 5.8 |
15 | 45 | 70 | 194 | 146 | e50 | 124 | 145 | 811 | 457 | 120 | 9.1 | 6.4 |
16 | 39 | 68 | 187 | 132 | e50 | 118 | 138 | 718 | 408 | 86 | 8.6 | 8.0 |
17 | 32 | 61 | 165 | 132 | e52 | 118 | 132 | 430 | 1260 | 75 | 8.1 | 12 |
18 | 31 | 557 | 152 | 139 | e58 | 113 | 123 | 324 | 911 | 67 | 7.8 | 6.6 |
19 | 28 | 1630 | 144 | 101 | e90 | 103 | 117 | 437 | 415 | 57 | 7.6 | 5.3 |
20 | 25 | 1680 | 123 | e120 | e230 | 97 | 123 | 475 | 309 | 51 | 8.9 | 5.3 |
21 | 23 | 1130 | 127 | e110 | e270 | 92 | 266 | 361 | 265 | 47 | 12 | 4.5 |
22 | 23 | 693 | 138 | e92 | 156 | 81 | 231 | 291 | 237 | 43 | 9.9 | 4.5 |
23 | 23 | 513 | 429 | e103 | 110 | 80 | 174 | 287 | 200 | 40 | 7.5 | 4.2 |
24 | 22 | 911 | 684 | e92 | 107 | 82 | 148 | 243 | 177 | 36 | 7.8 | 3.5 |
25 | 23 | 959 | 461 | e98 | 96 | 84 | 146 | 695 | 171 | 32 | 23 | 4.7 |
26 | 35 | 646 | 338 | e94 | 85 | 921 | 139 | 1280 | 171 | 30 | 82 | 3.8 |
27 | 40 | 483 | 280 | e87 | 79 | 2560 | 126 | 932 | 147 | 29 | 58 | 2.8 |
28 | 40 | 407 | 261 | e83 | 73 | 1590 | 116 | 467 | 133 | 27 | 32 | 2.8 |
29 | 39 | 345 | 333 | e78 | 71 | 1290 | 111 | 322 | 122 | 24 | 43 | 3.5 |
30 | 32 | 307 | 356 | e74 | --- | 1190 | 102 | 369 | 113 | 25 | 63 | 4.1 |
31 | 29 | --- | 291 | e70 | --- | 1400 | --- | 2350 | --- | 28 | 45 | --- |
TOTAL | 832 | 11278 | 7877 | 5642 | 2380 | 13448 | 8810 | 12390 | 19377 | 2355 | 661.9 | 246.1 |
MEAN | 26.8 | 376 | 254 | 182 | 82.1 | 434 | 294 | 400 | 646 | 76.0 | 21.4 | 8.20 |
MAX | 45 | 1680 | 684 | 654 | 270 | 2560 | 1490 | 2350 | 2770 | 251 | 82 | 30 |
MIN | 15 | 25 | 123 | 70 | 50 | 71 | 102 | 80 | 113 | 24 | 7.5 | 2.8 |
CFSM | 0.11 | 1.57 | 1.06 | 0.76 | 0.34 | 1.81 | 1.22 | 1.67 | 2.69 | 0.32 | 0.09 | 0.03 |
IN. | 0.13 | 1.75 | 1.22 | 0.87 | 0.37 | 2.08 | 1.37 | 1.92 | 3.00 | 0.37 | 0.10 | 0.04 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1979 - 2004, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 67.5 | 170 | 177 | 153 | 255 | 364 | 352 | 404 | 294 | 170 | 78.6 | 45.6 |
MAX | 645 | 1453 | 669 | 898 | 843 | 1225 | 1135 | 1349 | 775 | 935 | 711 | 605 |
(WY) | 1994 | 1986 | 1983 | 1993 | 2001 | 1979 | 1979 | 1981 | 1998 | 1981 | 1981 | 1993 |
MIN | 0.55 | 4.74 | 6.65 | 4.35 | 15.1 | 31.8 | 47.9 | 80.4 | 20.8 | 1.94 | 0.59 | 0.33 |
(WY) | 1989 | 2000 | 1999 | 2000 | 1979 | 2000 | 2000 | 1988 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1979 - 2004 | |||
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ANNUAL TOTAL | 55992.2 | 85297.0 | ||||
ANNUAL MEAN | 153 | 233 | 211 | |||
HIGHEST ANNUAL MEAN | 499 | 1993 | ||||
LOWEST ANNUAL MEAN | 32.4 | 2000 | ||||
HIGHEST DAILY MEAN | 2450 | Jul 11 | 2770 | Jun 1 | 9250 | Apr 12 1994 |
LOWEST DAILY MEAN | 5.3 | Aug 28 | 2.8 | Sep 27,28 | 0.00 | A |
ANNUAL SEVEN-DAY MINIMUM | 8.8 | Aug 22 | 3.6 | Sep 24 | 0.00 | A |
MAXIMUM PEAK FLOW | 3290 | May 31 | 13000 | Apr 12 1994 | ||
MAXIMUM PEAK STAGE | 15.36 | May 31 | 21.58 | Apr 12 1994 | ||
INSTANTANEOUS LOW FLOW | 2.3 | Sep 29 | ||||
ANNUAL RUNOFF (CFSM) | 0.639 | 0.971 | 0.877 | |||
ANNUAL RUNOFF (INCHES) | 8.68 | 13.22 | 11.92 | |||
10 PERCENT EXCEEDS | 355 | 536 | 514 | |||
50 PERCENT EXCEEDS | 62 | 100 | 81 | |||
90 PERCENT EXCEEDS | 14 | 12 | 4.8 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |