LOCATION.-- Lat 38°38'05", long 88°17'50" (NAD of 1927), in SE1/4 sec.3, T.2 N., R.8 E., Clay County, Hydrologic Unit 05120114, on right bank 300 ft downstream from bridge on County Highway 23, 0.3 mi downstream from Big Muddy Creek, 5 mi southeast of Clay City, and at mile 128.5. |
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DRAINAGE AREA.-- 1,131 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: August 1914 to current year. Prior to October 1958, published as "at Wilcox." Monthly discharge only for some periods, published in WSP 1305. |
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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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REVISED RECORDS.-- WSP 973: 1937-40. WSP 1335: 1915-33, 1934(M), 1935, 1940, 1941(M), 1946(M). WSP 1625: 1958. WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 392.29 ft above NGVD of 1929 (391.91 ft NAVD 1988). Prior to Jan. 2, 1947, nonrecording gage at highway bridge 300 ft upstream at same datum. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 47,000 ft3/s, Jan. 5, 1950, gage height, 26.67 ft; no flow Sept. 3-19, 1954. |
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REMARKS FOR CURRENT YEAR.-- Records poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 8.3 | 308 | 4510 | 511 | 335 | 333 | 268 | 208 | 33 | 13 | 17 | 8.5 |
2 | 8.1 | 2160 | 5350 | 411 | 347 | 314 | 330 | 167 | 31 | 12 | 14 | 7.8 |
3 | 8.3 | 4000 | 5150 | 2450 | 345 | 294 | 313 | 144 | 37 | 11 | 10 | 7.0 |
4 | 8.1 | 3920 | 4690 | 7090 | 341 | 271 | 246 | 125 | 39 | 10 | 7.6 | 6.4 |
5 | 7.7 | 3080 | 3310 | 13600 | 342 | 249 | 205 | 107 | 33 | 10 | 6.4 | 5.7 |
6 | 6.8 | 1790 | 1650 | 30500 | 397 | 235 | 183 | 95 | 30 | 9.7 | 6.9 | 5.5 |
7 | 6.8 | 931 | 2270 | 37000 | 822 | 224 | 171 | 87 | 29 | 9.2 | 4.8 | 5.3 |
8 | 6.9 | 564 | 4360 | 28500 | 3110 | 211 | e170 | 80 | 29 | 8.6 | 4.4 | 5.0 |
9 | 7.0 | 395 | 4750 | 17300 | 3880 | 202 | e160 | 76 | 27 | 8.2 | 4.1 | 4.7 |
10 | 6.4 | 304 | 4620 | 11200 | 4050 | 192 | e150 | 72 | 25 | 7.7 | 4.2 | 4.3 |
11 | 6.2 | 571 | 4540 | 8840 | 3920 | 180 | e145 | 69 | 23 | 7.2 | 18 | 4.0 |
12 | 7.5 | 2780 | 3950 | 7390 | 3340 | 174 | 191 | 66 | 41 | 7.8 | 45 | 3.8 |
13 | 7.7 | 3480 | 2090 | 8440 | 2330 | 170 | 1630 | 63 | 51 | 9.2 | 16 | 3.7 |
14 | 8.1 | 3380 | 800 | 14500 | 3950 | 168 | 1720 | 64 | 44 | 11 | 17 | 3.5 |
15 | 9.4 | 2390 | 538 | 14000 | 5440 | 166 | 989 | 90 | 51 | 11 | 21 | 3.2 |
16 | 9.9 | 920 | 429 | 11800 | 5430 | 155 | 648 | 161 | 66 | 54 | 41 | 3.0 |
17 | 11 | 489 | 364 | 9690 | 4940 | 145 | 429 | 191 | 114 | 61 | 482 | 3.2 |
18 | 213 | 375 | e310 | 7790 | 4570 | 135 | 312 | 140 | 97 | 34 | 371 | 3.3 |
19 | 2600 | 628 | e285 | 5180 | 3080 | 129 | 247 | 100 | 66 | 21 | 176 | 3.3 |
20 | 3690 | 952 | e260 | e2500 | 1380 | 122 | 206 | 82 | 44 | 16 | 243 | 4.6 |
21 | 3170 | 913 | e240 | e1200 | 782 | 114 | 178 | 70 | 33 | 13 | 135 | 5.2 |
22 | 1320 | 814 | e225 | e700 | 669 | 111 | 170 | 61 | 26 | 11 | 46 | 8.9 |
23 | 481 | 613 | e210 | e530 | 599 | 135 | 189 | 53 | 23 | 9.2 | 27 | 9.8 |
24 | 650 | 843 | e200 | e480 | 528 | 203 | e160 | 49 | 20 | 8.0 | 19 | 8.2 |
25 | 628 | 3680 | e190 | 418 | 465 | 340 | e130 | 49 | 19 | 6.9 | 15 | 8.7 |
26 | 647 | 4890 | e180 | 407 | 421 | 355 | e120 | 50 | 19 | 6.2 | 18 | 14 |
27 | 2430 | 4830 | e175 | 383 | 389 | 330 | e110 | 46 | 20 | 7.7 | 23 | 16 |
28 | 2330 | 4760 | e170 | 353 | 355 | 364 | e120 | 43 | 19 | 13 | 13 | 15 |
29 | 1030 | 4090 | e165 | 317 | --- | 342 | e140 | 40 | 17 | 11 | 10 | 40 |
30 | 526 | 3480 | e260 | 297 | --- | 275 | 253 | 38 | 14 | 8.1 | 9.3 | 48 |
31 | 366 | --- | 615 | 306 | --- | 257 | --- | 36 | --- | 10 | 9.0 | --- |
TOTAL | 20215.2 | 62330 | 56856 | 244083 | 56557 | 6895 | 10283 | 2722 | 1120 | 435.7 | 1833.7 | 269.6 |
MEAN | 652 | 2078 | 1834 | 7874 | 2020 | 222 | 343 | 87.8 | 37.3 | 14.1 | 59.2 | 8.99 |
MAX | 3690 | 4890 | 5350 | 37000 | 5440 | 364 | 1720 | 208 | 114 | 61 | 482 | 48 |
MIN | 6.2 | 304 | 165 | 297 | 335 | 111 | 110 | 36 | 14 | 6.2 | 4.1 | 3.0 |
CFSM | 0.58 | 1.84 | 1.62 | 6.96 | 1.79 | 0.20 | 0.30 | 0.08 | 0.03 | 0.01 | 0.05 | 0.01 |
IN. | 0.66 | 2.05 | 1.87 | 8.03 | 1.86 | 0.23 | 0.34 | 0.09 | 0.04 | 0.01 | 0.06 | 0.01 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1914 - 2005, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 223 | 594 | 1022 | 1442 | 1525 | 1715 | 1610 | 1454 | 816 | 469 | 314 | 210 |
MAX | 2146 | 5462 | 7882 | 9030 | 6833 | 5425 | 6267 | 10150 | 4271 | 4567 | 5794 | 2569 |
(WY) | 1950 | 1986 | 1968 | 1950 | 1982 | 1978 | 1922 | 1943 | 1945 | 2000 | 1915 | 1993 |
MIN | 0.30 | 1.07 | 1.73 | 6.90 | 12.6 | 4.92 | 56.9 | 45.1 | 14.4 | 9.75 | 4.17 | 0.79 |
(WY) | 1954 | 1954 | 1954 | 1977 | 1963 | 1954 | 1954 | 1925 | 1988 | 1930 | 1964 | 1953 |
SUMMARY STATISTICS | FOR 2004 CALENDAR YEAR | FOR 2005 WATER YEAR | WATER YEARS 1914 - 2005 | |||
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ANNUAL TOTAL | 484641.8 | 463600.2 | ||||
ANNUAL MEAN | 1324 | 1270 | 947 | |||
HIGHEST ANNUAL MEAN | 2040 | 1950 | ||||
LOWEST ANNUAL MEAN | 29.3 | 1954 | ||||
HIGHEST DAILY MEAN | 15000 | Jan 7 | 37000 | Jan 7 | 43200 | May 10 1961 |
LOWEST DAILY MEAN | 6.2 | Oct 11 | 3.0 | Sep 16 | 0.00 A | |
ANNUAL SEVEN-DAY MINIMUM | 6.8 | Oct 6 | 3.3 | Sep 13 | 0.00 | Sep 3 1954 |
MAXIMUM PEAK FLOW | 38300 | Jan 7 | 47000 | Jan 5 1950 | ||
MAXIMUM PEAK STAGE | 25.45 | Jan 7 | 26.67 | Jan 5 1950 | ||
INSTANTANEOUS LOW FLOW | 2.9 | Sep 16 | ||||
ANNUAL RUNOFF (CFSM) | 1.17 | 1.12 | 0.837 | |||
ANNUAL RUNOFF (INCHES) | 15.94 | 15.25 | 11.37 | |||
10 PERCENT EXCEEDS | 4520 | 3930 | 3000 | |||
50 PERCENT EXCEEDS | 284 | 167 | 149 | |||
90 PERCENT EXCEEDS | 21 | 7.7 | 10 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |