LOCATION.-- Lat 39°13'47", long 88°50'30" (NAD of 1927), in NW1/4NW1/4 sec.14, T.9 N., R.3 E., Shelby County, Hydrologic Unit 07140201, on left bank at downstream side of bridge on State Highway 128, 0.7 mi downstream from Richland Creek, 1.5 mi southeast of Cowden, and at mile 173.5. |
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DRAINAGE AREA.-- 1,330 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: July 1970 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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MISCELLANEOUS: Water years 1998 and 2002. |
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GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 500.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers) (499.69 ft NAVD 1988). July 19, 1976, to Oct. 4, 1977, nonrecording gage on upstream side of bypass bridge, 75 ft upstream at same datum. |
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REMARKS.-- Flow partially regulated by Lake Shelbyville (station 05591950), 26 mi upstream from gage. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 25,300 ft3/s, May 12, 2002, gage height, 20.36 ft; minimum daily discharge, 4.6 ft3/s, Oct. 6, 1984. |
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REMARKS FOR CURRENT YEAR.-- Records good. |
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 | 35 | 411 | 3110 | 2910 | 5460 | 5040 | 1080 | 626 | 66 | 69 | 70 | 60 |
2 | 35 | 618 | 2290 | 2910 | 5560 | 5030 | 1060 | 537 | 64 | 69 | 69 | 60 |
3 | 34 | 353 | 1660 | 5460 | 5770 | 4940 | 1040 | 461 | 64 | 70 | 69 | 61 |
4 | 34 | 236 | 1470 | 6350 | 5800 | 4910 | 939 | 282 | 64 | 71 | 68 | 60 |
5 | 34 | 364 | 1400 | 8330 | 5570 | 4870 | 830 | 149 | 62 | 72 | 68 | 60 |
6 | 34 | 463 | 1410 | 8040 | 5400 | 4890 | 803 | 107 | 59 | 79 | 69 | 59 |
7 | 35 | 809 | 4810 | 5340 | 5780 | 4920 | 788 | 100 | 57 | 76 | 71 | 60 |
8 | 36 | 890 | 4990 | 2530 | 6530 | 4890 | 702 | 94 | 57 | 71 | 69 | 58 |
9 | 37 | 880 | 3830 | 1870 | 6350 | 4820 | 668 | 88 | 57 | 66 | 67 | 58 |
10 | 36 | 868 | 2820 | 1960 | 6060 | 4820 | 652 | 87 | 57 | 65 | 67 | 60 |
11 | 35 | 1210 | 2600 | 1930 | 5620 | 4830 | 588 | 84 | 69 | 64 | 67 | 59 |
12 | 37 | 1460 | 2520 | 2290 | 5460 | 4830 | 604 | 109 | 80 | 72 | 71 | 59 |
13 | 41 | 926 | 2450 | 5340 | 5860 | 4770 | 460 | 100 | 68 | 77 | 80 | 58 |
14 | 44 | 964 | 2390 | 6520 | 7170 | 4600 | 349 | 101 | 71 | 70 | 81 | 59 |
15 | 47 | 953 | 2360 | 5810 | 6650 | 4420 | 273 | 98 | 80 | 68 | 78 | 62 |
16 | 46 | 1030 | 2340 | 4980 | 6330 | 4280 | 234 | 89 | 63 | 68 | 86 | 63 |
17 | 40 | 1130 | 2320 | 4530 | 5860 | 3990 | 217 | 84 | 57 | 69 | 70 | 61 |
18 | 92 | 1140 | 2300 | 4400 | 5510 | 3400 | 208 | 87 | 54 | 69 | 68 | 60 |
19 | 327 | 1200 | 2290 | 4460 | 5350 | 2740 | 201 | 85 | 53 | 69 | 67 | 60 |
20 | 270 | 1250 | 2260 | 4560 | 5290 | 2420 | 195 | 111 | 51 | 66 | 66 | 67 |
21 | 125 | 1210 | 2290 | 4870 | 5300 | 2130 | 192 | 120 | 50 | 65 | 66 | 61 |
22 | 90 | 1170 | 2800 | 5340 | 5230 | 1910 | 200 | 97 | 51 | 86 | 66 | 59 |
23 | 78 | 1170 | 2900 | 5570 | 5170 | 1910 | 197 | 85 | 51 | 116 | 68 | 58 |
24 | 78 | 1630 | 2900 | 5660 | 5120 | 1900 | 186 | 78 | 51 | 118 | 70 | 60 |
25 | 90 | 2820 | 2880 | 5630 | 5080 | 1670 | 179 | 75 | 54 | 121 | 68 | 65 |
26 | 84 | 1810 | 2880 | 5610 | 5030 | 1460 | 212 | 72 | 58 | 120 | 63 | 70 |
27 | 132 | 1510 | 2870 | 5550 | 4980 | 1260 | 393 | 69 | 48 | 130 | 63 | 62 |
28 | 184 | 2040 | 2860 | 5500 | 4970 | 1200 | 499 | 68 | 57 | 129 | 62 | 65 |
29 | 166 | 1700 | 2870 | 5510 | --- | 1150 | 613 | 67 | 77 | 107 | 61 | 71 |
30 | 344 | 1890 | 2890 | 5510 | --- | 1120 | 631 | 68 | 72 | 75 | 61 | 66 |
31 | 375 | --- | 2890 | 5470 | --- | 1110 | --- | 68 | --- | 71 | 61 | --- |
TOTAL | 3075 | 34105 | 82650 | 150740 | 158260 | 106230 | 15193 | 4346 | 1822 | 2538 | 2130 | 1841 |
MEAN | 99.2 | 1137 | 2666 | 4863 | 5652 | 3427 | 506 | 140 | 60.7 | 81.9 | 68.7 | 61.4 |
MAX | 375 | 2820 | 4990 | 8330 | 7170 | 5040 | 1080 | 626 | 80 | 130 | 86 | 71 |
MIN | 34 | 236 | 1400 | 1870 | 4970 | 1110 | 179 | 67 | 48 | 64 | 61 | 58 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 2005, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 386 | 625 | 1493 | 1794 | 1981 | 2027 | 1424 | 1129 | 1123 | 1006 | 696 | 375 |
MAX | 1769 | 2572 | 4259 | 4863 | 5652 | 5897 | 5221 | 6113 | 3258 | 2954 | 2360 | 1868 |
(WY) | 1975 | 1994 | 1986 | 2005 | 2005 | 1979 | 1979 | 2002 | 1974 | 1974 | 1974 | 1974 |
MIN | 13.2 | 12.1 | 7.27 | 8.02 | 69.4 | 167 | 49.8 | 36.3 | 25.6 | 24.5 | 19.6 | 13.5 |
(WY) | 1988 | 1977 | 1977 | 1977 | 1977 | 2003 | 2003 | 1987 | 1988 | 1976 | 1976 | 1976 |
SUMMARY STATISTICS | FOR 2004 CALENDAR YEAR | FOR 2005 WATER YEAR | WATER YEARS 1970 - 2005 | |||
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ANNUAL TOTAL | 425916 | 562930 | ||||
ANNUAL MEAN | 1164 | 1542 | 1172 | |||
HIGHEST ANNUAL MEAN | 2409 | 1974 | ||||
LOWEST ANNUAL MEAN | 267 | 2003 | ||||
HIGHEST DAILY MEAN | 8290 | Jan 5 | 8330 | Jan 5 | 17300 | Apr 12 1979 |
LOWEST DAILY MEAN | 34 | A | 34 | Oct 3-6 | 4.6 | Oct 6 1984 |
ANNUAL SEVEN-DAY MINIMUM | 34 | Sep 24 | 34 | Oct 1 | 6.0 | Nov 30 1976 |
MAXIMUM PEAK FLOW | 9560 | Jan 5 | 25300 | May 12 2002 | ||
MAXIMUM PEAK STAGE | 17.81 | Jan 5 | 20.36 | May 12 2002 | ||
10 PERCENT EXCEEDS | 2870 | 5340 | 2880 | |||
50 PERCENT EXCEEDS | 848 | 201 | 760 | |||
90 PERCENT EXCEEDS | 38 | 58 | 37 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |