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 to current year. |
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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 Oct. 1 - Apr. 16 and estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 11 | 49 | 28 | 67 | e31 | e43 | 85 | 85 | 101 | 77 | 53 | 235 |
2 | 11 | 46 | 27 | 60 | e34 | e42 | 77 | 80 | 97 | 74 | 50 | 212 |
3 | 12 | 44 | 23 | 55 | e37 | e40 | 68 | 74 | 101 | 69 | 50 | 98 |
4 | e15 | 41 | e24 | 52 | e44 | e41 | 69 | 77 | 95 | 65 | 51 | 65 |
5 | e20 | 42 | e23 | 51 | e40 | e45 | 89 | 182 | 88 | 60 | 46 | 50 |
6 | e16 | 49 | e22 | 46 | e36 | e50 | 81 | 207 | 86 | 56 | 42 | 41 |
7 | e14 | 48 | e21 | 43 | e32 | e54 | 147 | 196 | 90 | 54 | 39 | 35 |
8 | e12 | 45 | e20 | 49 | e30 | e64 | 193 | 161 | 83 | 50 | 36 | 30 |
9 | 11 | 45 | e22 | 49 | e28 | e78 | 164 | 180 | 80 | 73 | 34 | 27 |
10 | 11 | 44 | e21 | 45 | e26 | e70 | 144 | 506 | 79 | 752 | 32 | 25 |
11 | 12 | 39 | e24 | e42 | e24 | e68 | 132 | 755 | 428 | 533 | 30 | 22 |
12 | 10 | 34 | e26 | e39 | e22 | 72 | 127 | 523 | 1500 | 245 | 28 | 21 |
13 | 9.5 | 33 | 27 | e36 | e20 | 122 | e120 | 398 | 860 | 163 | 27 | 21 |
14 | 9.9 | 33 | 26 | e34 | e23 | 195 | e115 | 317 | 623 | 127 | 25 | 20 |
15 | 10 | 34 | 26 | e31 | e25 | e160 | e112 | 288 | 449 | 104 | 24 | 19 |
16 | 10 | 31 | 26 | e30 | e23 | e122 | e110 | 267 | 360 | 87 | 22 | 17 |
17 | 11 | 30 | 25 | e28 | e21 | e108 | 106 | 249 | 296 | 75 | 21 | 16 |
18 | 13 | 30 | 27 | e27 | e22 | e97 | 95 | 210 | 230 | 714 | 20 | 16 |
19 | 31 | 29 | 47 | e26 | e24 | 102 | 90 | 185 | 208 | 490 | 19 | 16 |
20 | 43 | 29 | 49 | e25 | e30 | 161 | 92 | 169 | 183 | 234 | 19 | 15 |
21 | 35 | 29 | 45 | e23 | e40 | 241 | 90 | 153 | 159 | 307 | 18 | 14 |
22 | 30 | 29 | 40 | e22 | e70 | 221 | 84 | 146 | 146 | 333 | 17 | 15 |
23 | 27 | 27 | 35 | e21 | e64 | 195 | 78 | 138 | 132 | 190 | e16 | 14 |
24 | 20 | 27 | e34 | e21 | e57 | 170 | 79 | 133 | 120 | 139 | e15 | 13 |
25 | 24 | 27 | e33 | e20 | e50 | 147 | 91 | 127 | 111 | 112 | e13 | 14 |
26 | 28 | 25 | e32 | e20 | e47 | 136 | 101 | 118 | 108 | 94 | 13 | 14 |
27 | 27 | 25 | e31 | e20 | e44 | 122 | 93 | 112 | 99 | 82 | 12 | 16 |
28 | 26 | 27 | e30 | e22 | e43 | 120 | 89 | 120 | 94 | 75 | 12 | 15 |
29 | 34 | 29 | e30 | e24 | --- | 104 | 86 | 166 | 87 | 69 | 14 | 13 |
30 | 55 | 28 | 46 | e26 | --- | 97 | 84 | 131 | 81 | 62 | 16 | 13 |
31 | 54 | --- | 77 | e29 | --- | 88 | --- | 117 | --- | 57 | 25 | --- |
TOTAL | 652.4 | 1048 | 967 | 1083 | 987 | 3375 | 3091 | 6570 | 7174 | 5622 | 839 | 1142 |
MEAN | 21.0 | 34.9 | 31.2 | 34.9 | 35.2 | 109 | 103 | 212 | 239 | 181 | 27.1 | 38.1 |
MAX | 55 | 49 | 77 | 67 | 70 | 241 | 193 | 755 | 1500 | 752 | 53 | 235 |
MIN | 9.5 | 25 | 20 | 20 | 20 | 40 | 68 | 74 | 79 | 50 | 12 | 13 |
CFSM | 0.10 | 0.16 | 0.15 | 0.16 | 0.16 | 0.51 | 0.48 | 0.99 | 1.12 | 0.85 | 0.13 | 0.18 |
IN. | 0.11 | 0.18 | 0.17 | 0.19 | 0.17 | 0.59 | 0.54 | 1.14 | 1.25 | 0.98 | 0.15 | 0.20 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2003, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 62.2 | 78.1 | 141 | 147 | 218 | 264 | 290 | 304 | 245 | 133 | 73.8 | 41.4 |
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 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1948 - 2003 | |||
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ANNUAL TOTAL | 112829.4 | 32550.4 | ||||
ANNUAL MEAN | 309 | 89.2 | 166 | |||
HIGHEST ANNUAL MEAN | 372 | 1993 | ||||
LOWEST ANNUAL MEAN | 8.89 | 1954 | ||||
HIGHEST DAILY MEAN | 4550 | May 13 | 1500 | Jun 12 | 7000 | Dec 4 1982 |
LOWEST DAILY MEAN | 9.5 A | Oct 13 | 9.5 A | Oct 13 | 0.77 | Sep 16 1988 |
ANNUAL SEVEN-DAY MINIMUM | 10 | Oct 10 | 10 | Oct 10 | 0.96 | Sep 7 1988 |
MAXIMUM PEAK FLOW | 1590 | Jun 12 | 8930 | Apr 12 1979 | ||
MAXIMUM PEAK STAGE | 14.66 | Jun 12 | 23.11 | Apr 12 1979 | ||
INSTANTANEOUS LOW FLOW | 9.5 A | Oct 13 | 0.30 | Sep 16 1988 | ||
ANNUAL RUNOFF (CFSM) | 1.44 | 0.42 | 0.78 | |||
ANNUAL RUNOFF (INCHES) | 19.61 | 5.66 | 10.56 | |||
10 PERCENT EXCEEDS | 868 | 187 | 401 | |||
50 PERCENT EXCEEDS | 78 | 45 | 62 | |||
90 PERCENT EXCEEDS | 17 | 16 | 7.0 |
A - May have been less during period of partial record, Oct. 1-18. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |