LOCATION.-- Lat 38°46'33", long 89°29'56" (NAD of 1927), in NW1/4SW1/4 sec. 24, T.4 N., R.4 W., Bond County, Hydrologic Unit 07140203, on left bank at upstream side of bridge on State Highway 143, 1.1 mi east of Baden Baden, 6.5 mi east of Pierron, and at mile 43.0. |
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DRAINAGE AREA.-- 678 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 Dec. 16, 1970 to May 30, 1978, and Apr. 5, 1995 to May 5, 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 400.00 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, 24,000 ft3/s, May 8, 2002, gage height 60.85 ft; minimum discharge, 4.7 ft3/s, Oct. 13, 1997. |
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EXTREMES OUTSIDE PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Flood of Apr. 23, 1973 reached a stage of 59.48 ft, discharge 14,900 ft3/s, from information by the U.S. Army Corps of Engineers. |
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REMARKS FOR CURRENT YEAR.-- Records fair 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 | 14 | 111 | 2130 | e260 | 4210 | 203 | 1240 | 3410 | 248 | 71 | 25 | 15 |
2 | 14 | 99 | 1010 | e270 | 5450 | 283 | 881 | 3720 | 209 | 64 | 23 | 15 |
3 | 14 | 90 | 552 | e230 | 5040 | 1430 | 713 | 4670 | 178 | 59 | 21 | 13 |
4 | 12 | 91 | 453 | e160 | 2410 | 1010 | 579 | 3220 | 157 | 54 | 20 | 12 |
5 | 13 | 83 | 439 | e120 | 1150 | 537 | 478 | 1260 | 140 | 51 | 20 | 12 |
6 | 16 | 76 | 399 | e110 | 808 | 488 | 415 | 2020 | 138 | 48 | 19 | 11 |
7 | 22 | 70 | 376 | e100 | 686 | 483 | 372 | 9370 | 151 | 44 | 19 | 11 |
8 | 24 | 65 | 358 | e95 | 594 | 473 | 546 | 22500 | 135 | 41 | 23 | 11 |
9 | 18 | 60 | 353 | e100 | 534 | 1860 | 1730 | 17500 | 120 | 39 | 21 | 10 |
10 | 21 | 57 | 318 | e110 | 486 | 4020 | 1380 | 12100 | 203 | 37 | 18 | 10 |
11 | 29 | 56 | 299 | 112 | 466 | 3710 | 784 | 8620 | 805 | 35 | 33 | 9.8 |
12 | 142 | 52 | 307 | 108 | 445 | 1930 | 592 | 6260 | 1520 | 44 | 39 | 9.3 |
13 | 774 | 49 | 569 | e105 | 409 | 961 | 1050 | 9560 | 2260 | 57 | 37 | 9.0 |
14 | 939 | 48 | 1190 | 102 | 371 | 705 | 1030 | 18500 | 1640 | 66 | 27 | 9.2 |
15 | 843 | 46 | 2080 | 100 | 362 | 572 | 620 | 11400 | 1400 | 53 | 20 | 10 |
16 | 592 | 44 | 1870 | 100 | 333 | 1250 | 474 | 7210 | 735 | 40 | 18 | 9.9 |
17 | 893 | 44 | 3710 | 93 | 188 | 1210 | 385 | 3990 | 528 | 36 | 18 | 11 |
18 | 559 | 43 | 4910 | 88 | 161 | 733 | 338 | 3410 | 451 | 34 | 21 | 16 |
19 | 324 | 42 | 5790 | 87 | 174 | 593 | 303 | 3110 | 294 | 40 | 53 | 433 |
20 | 226 | 42 | 3560 | 90 | 471 | 714 | 2750 | 1750 | 219 | 35 | e230 | 390 |
21 | 175 | 42 | 1560 | 90 | 803 | 1070 | 4290 | 1070 | 175 | 31 | e120 | 127 |
22 | 138 | 42 | 958 | 89 | 511 | 754 | 4380 | 748 | 146 | 29 | e55 | 86 |
23 | 122 | 41 | 778 | 93 | 349 | 508 | 2780 | 524 | 126 | 31 | 28 | 101 |
24 | 124 | 57 | e680 | 102 | 284 | 426 | 1280 | 427 | 112 | 29 | 48 | 75 |
25 | 712 | 73 | e500 | 109 | 247 | 1630 | 2800 | 393 | 101 | 31 | 93 | 52 |
26 | 1120 | 126 | e430 | 106 | 232 | 3690 | 4150 | 376 | 92 | 31 | 48 | 42 |
27 | 468 | 107 | e380 | 96 | 228 | 3480 | 4330 | 338 | 92 | 38 | 32 | 35 |
28 | 258 | 91 | e320 | 90 | 210 | 2980 | 4670 | 420 | 97 | 63 | 24 | 30 |
29 | 183 | 125 | e280 | 87 | --- | 3830 | 5620 | 718 | 88 | 38 | 20 | 26 |
30 | 145 | 1420 | e260 | 112 | --- | 3800 | 6110 | 473 | 79 | 30 | 18 | 24 |
31 | 126 | --- | e240 | 1720 | --- | 2160 | --- | 314 | --- | 30 | 17 | --- |
TOTAL | 9060 | 3392 | 37059 | 5234 | 27612 | 47493 | 57070 | 159381 | 12639 | 1329 | 1208 | 1625.2 |
MEAN | 292.3 | 113.1 | 1195 | 168.8 | 986.1 | 1532 | 1902 | 5141 | 421.3 | 42.87 | 38.97 | 54.17 |
MAX | 1120 | 1420 | 5790 | 1720 | 5450 | 4020 | 6110 | 22500 | 2260 | 71 | 230 | 433 |
MIN | 12 | 41 | 240 | 87 | 161 | 203 | 303 | 314 | 79 | 29 | 17 | 9.0 |
CFSM | 0.43 | 0.17 | 1.76 | 0.25 | 1.45 | 2.26 | 2.81 | 7.58 | 0.62 | 0.06 | 0.06 | 0.08 |
IN. | 0.50 | 0.19 | 2.03 | 0.29 | 1.51 | 2.61 | 3.13 | 8.74 | 0.69 | 0.07 | 0.07 | 0.09 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 171.0 | 190.6 | 287.1 | 426.4 | 940.4 | 828.1 | 817.2 | 1382 | 632.4 | 252.2 | 223.8 | 72.67 |
MAX | 798 | 637 | 1195 | 1125 | 2128 | 2009 | 1902 | 5141 | 1491 | 800 | 811 | 353 |
(WY) | 2001 | 2001 | 2002 | 1999 | 1999 | 1998 | 2002 | 2002 | 1998 | 2000 | 2000 | 2000 |
MIN | 8.11 | 15.7 | 41.3 | 23.4 | 65.7 | 74.9 | 75.8 | 128 | 258 | 34.3 | 16.9 | 11.5 |
(WY) | 1998 | 1998 | 2000 | 2000 | 2000 | 2000 | 2000 | 2001 | 1997 | 1997 | 1997 | 1999 |
SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1995 - 2002 | |||
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ANNUAL TOTAL | 160984 | 363102.2 | ||||
ANNUAL MEAN | 441.1 | 994.8 | 522.0 | |||
HIGHEST ANNUAL MEAN | 995 | 2002 | ||||
LOWEST ANNUAL MEAN | 302 | 2000 | ||||
HIGHEST DAILY MEAN | 5790 | Dec 19 | 22500 | May 8 | 22500 | May 8 2002 |
LOWEST DAILY MEAN | 12 | Oct 4 | 9.0 | Sep 13 | 5.4 | Oct 12 1997 |
ANNUAL SEVEN-DAY MINIMUM | 14 | Sep 29 | 9.6 | Sep 10 | 6.4 | Oct 3 1997 |
MAXIMUM PEAK FLOW | 24000 | May 8 | 24000 | May 8 2002 | ||
MAXIMUM PEAK STAGE | 60.85 | May 8 | 60.85 | May 8 2002 | ||
INSTANTANEOUS LOW FLOW | 8.9 | Sep 13, 14 | 4.7 | Oct 13 1997 | ||
ANNUAL RUNOFF (CFSM) | 0.65 | 1.47 | 0.77 | |||
ANNUAL RUNOFF (INCHES) | 8.83 | 19.92 | 10.46 | |||
10 PERCENT EXCEEDS | 1160 | 3150 | 1260 | |||
50 PERCENT EXCEEDS | 122 | 183 | 110 | |||
90 PERCENT EXCEEDS | 21 | 21 | 16 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |