LOCATION.-- Lat 39°57'05", long 89°23'01" (NAD of 1927), in NW1/4 SW1/4 sec.1, T.17 N., R.3 W., Logan County, Hydrologic Unit 07130009, on right bank at downstream side of bridge on State Highway 54, 100 ft upstream from a railroad bridge, 2.0 mi northeast of Cornland, 8 mi downstream from Jones Fork, and at mile 12.9. |
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DRAINAGE AREA.-- 214 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: January 1948 to current year. |
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STAGE: Water years 1994-2002. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1978-91. |
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REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 555.06 ft above NGVD of 1929. Prior to Sept. 6, 1973, nonrecording gage at same site and datum. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,930 ft3/s, Apr. 12, 1979, gage height, 23.11 ft; minimum, 0.30 ft3/s, Sept. 16, 1988. |
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EXTREMES OUTSIDE PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Flood in May 1943 reached a stage of 23.4 ft, from floodmarks, discharge 29,000 ft3/s, by contracted-opening measurement of peak flow. |
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REMARKS FOR CURRENT YEAR.-- Records fair except those for Nov. 25 to Sept. 30 and 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 | 5.9 | 73 | 313 | e110 | 1350 | 338 | 223 | 1190 | 280 | 142 | 60 | 73 |
2 | 6.3 | 68 | 237 | e100 | 953 | 425 | 221 | 1030 | 270 | 131 | 48 | 61 |
3 | 7.0 | 59 | 196 | e100 | 749 | 794 | 194 | 897 | 252 | 122 | 39 | 51 |
4 | 6.0 | 54 | 167 | e110 | 656 | 638 | 176 | 790 | 224 | 113 | 32 | 43 |
5 | 9.0 | 51 | 146 | 113 | 549 | 524 | 171 | 713 | 401 | 103 | 27 | 39 |
6 | 10 | 51 | 131 | 107 | 487 | 556 | 168 | 667 | 476 | 94 | 23 | 31 |
7 | 8.7 | 47 | 121 | 97 | 429 | 583 | 168 | 1070 | 375 | 86 | 21 | 29 |
8 | 8.1 | 46 | 112 | 93 | 381 | 521 | 212 | 798 | 310 | 78 | 19 | 26 |
9 | 7.1 | 42 | 100 | 98 | 349 | 622 | 319 | 1100 | 276 | 73 | 17 | 23 |
10 | 8.5 | 41 | 96 | 85 | 314 | 821 | 275 | 965 | 282 | 66 | 16 | 21 |
11 | 10 | 40 | 90 | 75 | 302 | 603 | 259 | 1170 | 606 | 60 | 15 | 20 |
12 | 24 | 36 | 91 | 76 | 300 | 537 | 241 | 2730 | 1780 | 56 | 15 | 18 |
13 | 68 | 35 | 98 | 77 | 263 | 475 | 218 | 4550 | 2020 | 53 | 16 | 18 |
14 | 99 | 34 | 108 | 76 | 244 | 438 | 211 | 4440 | 1910 | 47 | 17 | 17 |
15 | 89 | 33 | 162 | 70 | 230 | 362 | 203 | 2860 | 1370 | 41 | 17 | 17 |
16 | 110 | 32 | 216 | 63 | 216 | 331 | 185 | 1660 | e1000 | 37 | 50 | 17 |
17 | 126 | 30 | 433 | 64 | 193 | 307 | 174 | 1430 | e700 | 34 | 78 | 17 |
18 | 89 | 29 | 554 | 60 | 179 | 286 | 167 | 1360 | e500 | 31 | 35 | 17 |
19 | 64 | 31 | 437 | 62 | 305 | 265 | 185 | e1000 | e400 | 29 | 45 | 16 |
20 | 45 | 30 | 341 | 61 | 1150 | 260 | 366 | e800 | 333 | 27 | 44 | 18 |
21 | 31 | 29 | 299 | 62 | 1010 | 241 | 1120 | e600 | 317 | 25 | 32 | 16 |
22 | 22 | 29 | 290 | 56 | 742 | 225 | 1140 | e500 | 290 | 23 | 26 | 16 |
23 | 20 | 29 | 277 | 57 | 652 | 224 | 802 | 447 | 265 | 31 | 1200 | 16 |
24 | 47 | 42 | 253 | 57 | 578 | 216 | 1320 | 441 | 242 | 22 | 1510 | 15 |
25 | 230 | 59 | 229 | 51 | 511 | 215 | 1590 | 388 | 224 | 20 | 686 | e13 |
26 | 200 | 47 | 212 | 51 | 461 | 207 | 993 | 350 | 216 | 24 | 417 | e12 |
27 | 143 | 43 | 203 | 51 | 401 | 205 | 1540 | 320 | 204 | 1260 | 308 | e11 |
28 | 113 | 40 | 189 | 52 | 370 | 296 | 2470 | 310 | 183 | 254 | 255 | 11 |
29 | 96 | 44 | 167 | 52 | --- | 303 | 2440 | 304 | 168 | 132 | 170 | 11 |
30 | 84 | 197 | 152 | 66 | --- | 263 | 1580 | 310 | 154 | 87 | 140 | 11 |
31 | 76 | --- | e130 | 848 | --- | 234 | --- | 323 | --- | 67 | 101 | --- |
TOTAL | 1862.6 | 1421 | 6550 | 3100 | 14324 | 12315 | 19331 | 35513 | 16028 | 3368 | 5479 | 704 |
MEAN | 60.08 | 47.37 | 211.3 | 100.0 | 511.6 | 397.3 | 644.4 | 1146 | 534.3 | 108.6 | 176.7 | 23.47 |
MAX | 230 | 197 | 554 | 848 | 1350 | 821 | 2470 | 4550 | 2020 | 1260 | 1510 | 73 |
MIN | 5.9 | 29 | 90 | 51 | 179 | 205 | 167 | 304 | 154 | 20 | 15 | 11 |
CFSM | 0.28 | 0.22 | 0.99 | 0.47 | 2.39 | 1.86 | 3.01 | 5.35 | 2.50 | 0.51 | 0.83 | 0.11 |
IN. | 0.32 | 0.25 | 1.14 | 0.54 | 2.49 | 2.14 | 3.36 | 6.17 | 2.79 | 0.59 | 0.95 | 0.12 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 62.94 | 78.90 | 142.8 | 149.0 | 221.5 | 267.2 | 293.0 | 306.0 | 244.8 | 132.1 | 74.64 | 41.50 |
MAX | 680 | 1009 | 1260 | 988 | 712 | 1116 | 1016 | 1146 | 1099 | 772 | 887 | 546 |
(WY) | 1978 | 1986 | 1983 | 1950 | 1959 | 1979 | 1979 | 2002 | 1974 | 1981 | 1981 | 1993 |
MIN | 2.02 | 2.06 | 2.46 | 4.01 | 5.02 | 6.56 | 16.7 | 7.27 | 17.0 | 7.20 | 3.30 | 1.57 |
(WY) | 1955 | 1955 | 1964 | 1977 | 1963 | 1954 | 1954 | 1954 | 1963 | 1954 | 2001 | 1954 |
SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1948 - 2002 | |||
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ANNUAL TOTAL | 58869.4 | 119995.6 | ||||
ANNUAL MEAN | 161.3 | 328.8 | 167.7 | |||
HIGHEST ANNUAL MEAN | 372 | 1993 | ||||
LOWEST ANNUAL MEAN | 8.89 | 1954 | ||||
HIGHEST DAILY MEAN | 2110 | Jan 31 | 4550 | May 13 | 7000 | Dec 4 1982 |
LOWEST DAILY MEAN | 1.1 | Aug 15 | 5.9 | Oct 1 | 0.77 | Sep 16 1988 |
ANNUAL SEVEN-DAY MINIMUM | 1.3 | Aug 11 | 7.6 | Oct 1 | 0.96 | Sep 7 1988 |
MAXIMUM PEAK FLOW | 4900 | May 13 | 8930 | Apr 12 1979 | ||
MAXIMUM PEAK STAGE | 20.37 | May 13 | 23.11 | Apr 12 1979 | ||
INSTANTANEOUS LOW FLOW | 5.4 | Oct 3,4 | 0.30 | Sep 16 1988 | ||
ANNUAL RUNOFF (CFSM) | 0.75 | 1.54 | 0.78 | |||
ANNUAL RUNOFF (INCHES) | 10.23 | 20.86 | 10.65 | |||
10 PERCENT EXCEEDS | 433 | 868 | 406 | |||
50 PERCENT EXCEEDS | 68 | 152 | 62 | |||
90 PERCENT EXCEEDS | 6.1 | 18 | 6.8 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |