LOCATION.-- Lat 40°08'34", long 91°20'14" (NAD of 1927), on line between secs.20 and 21, T.2 N., R.8 W., Adams County, Hydrologic Unit 07110001, on right downstream side of bridge on County Road 900 E, 0.9 mi downstream from Grindstone Creek, 2.2 mi northeast of Marcelline, 3.8 mi upstream from State Highway 96, and at mile 12.3. |
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DRAINAGE AREA.-- 349 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: March 1944 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.-- WSP 1308: 1944-45(M), 1948(M). WDR IL-75-1: Drainage area. WDR IL-94-1: 1991. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 504.52 ft above NGVD of 1929 (504.31 ft NAVD 1988). Prior to June 24, 1949, 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, 35,500 ft3/s, May 8, 1996, gage height, 28.36 ft; maximum gage height, 28.38 ft, Mar. 4, 1985; no flow for many days in 1953-56, 1962-64, 1976-77, 1988, and part of each day Aug. 17-19, 1989. |
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REMARKS FOR CURRENT YEAR.-- Records fair except those for Oct. 23-31, Nov. 1-4, 27-28, Dec. 6-8, Jan. 3-14, and estimated daily discharges, which are 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 | 11 | 5540 | 869 | 126 | 73 | 111 | 63 | 68 | 22 | 4.2 | 2.5 | 1.9 |
2 | 13 | 3990 | 573 | 471 | 79 | 90 | 56 | 60 | 21 | 3.9 | 2.4 | 1.6 |
3 | 13 | 1300 | 415 | 2190 | 75 | 86 | 53 | 56 | 19 | 3.7 | 2.1 | 1.7 |
4 | 13 | 1580 | 311 | 2510 | 94 | 82 | 53 | 53 | 20 | 3.7 | 1.9 | 1.5 |
5 | 12 | 1140 | 318 | 3230 | 98 | 82 | 53 | 50 | 23 | 4.3 | 2.3 | 1.3 |
6 | 11 | 468 | 2630 | 1320 | 106 | 77 | 54 | 48 | 23 | 4.0 | 2.4 | 1.3 |
7 | 11 | 319 | 4300 | 562 | 265 | 77 | 57 | 47 | 22 | 3.6 | 1.7 | 1.3 |
8 | 537 | 238 | 2190 | 394 | 293 | 74 | 57 | 49 | 42 | 3.4 | 1.8 | 1.5 |
9 | 667 | 193 | 690 | 304 | 187 | 66 | 52 | 52 | 243 | 3.3 | 1.7 | 2.2 |
10 | 149 | 170 | 409 | 683 | 131 | 61 | 50 | 47 | 122 | 3.1 | 1.6 | 2.6 |
11 | 73 | 149 | 319 | 1090 | 120 | 61 | 51 | 72 | 69 | 2.8 | 1.7 | 2.6 |
12 | 57 | 128 | 263 | 2150 | 185 | 62 | 982 | 295 | 65 | 3.0 | 1.6 | 2.8 |
13 | 149 | 112 | 211 | 6940 | 3150 | 58 | 1640 | 297 | 47 | 3.1 | 6.0 | 3.7 |
14 | 91 | 102 | 156 | 1960 | 4510 | 53 | 890 | 250 | 33 | 3.0 | 7.3 | 11 |
15 | 134 | 97 | 136 | 427 | 1320 | 49 | 257 | 102 | 34 | 2.8 | 5.7 | 14 |
16 | 127 | 96 | 141 | 287 | 464 | 49 | 167 | 70 | 22 | 2.6 | 4.4 | 49 |
17 | 76 | 93 | 126 | e180 | 284 | 50 | 130 | 57 | 16 | 2.5 | 4.9 | 22 |
18 | 130 | 91 | 125 | e150 | 207 | 49 | 109 | 50 | 12 | 2.2 | 4.1 | 11 |
19 | 624 | 97 | 94 | e130 | 162 | 49 | 95 | 68 | 11 | 2.1 | 23 | 7.7 |
20 | 213 | 98 | e80 | e120 | 172 | 48 | 84 | 78 | 9.2 | 2.1 | 104 | 5.9 |
21 | 120 | 90 | e72 | e110 | 206 | 46 | 83 | 56 | 8.6 | 2.1 | 25 | 8.3 |
22 | 220 | 81 | e62 | e100 | 175 | 48 | 907 | 45 | 7.9 | 2.0 | 12 | 7.2 |
23 | 1600 | 77 | e58 | e96 | 144 | 93 | 1230 | 39 | 7.1 | 1.8 | 6.8 | 4.9 |
24 | 2120 | 87 | e54 | e88 | 130 | 142 | 433 | 34 | 6.6 | 1.8 | 4.9 | 4.2 |
25 | 417 | 106 | e50 | e82 | 122 | 212 | 189 | 31 | 6.0 | 1.7 | 4.3 | 3.0 |
26 | 1510 | 221 | e49 | e80 | 110 | 183 | 143 | 28 | 5.6 | 2.0 | 3.7 | 2.5 |
27 | 4190 | 2810 | e49 | 79 | 102 | 125 | 118 | 26 | 5.4 | 3.5 | 3.3 | 2.4 |
28 | 1480 | 2290 | e51 | 94 | 113 | 103 | 96 | 24 | 5.2 | 4.2 | 3.1 | 3.0 |
29 | 612 | 779 | e60 | 77 | --- | 92 | 83 | 24 | 4.8 | 3.1 | 2.7 | 3.6 |
30 | 374 | 650 | e70 | 75 | --- | 83 | 78 | 26 | 4.5 | 2.8 | 2.3 | 3.3 |
31 | 233 | --- | e100 | 74 | --- | 73 | --- | 24 | --- | 2.7 | 2.1 | --- |
TOTAL | 15987 | 23192 | 15031 | 26179 | 13077 | 2534 | 8313 | 2226 | 936.9 | 91.1 | 253.3 | 189.0 |
MEAN | 516 | 773 | 485 | 844 | 467 | 81.7 | 277 | 71.8 | 31.2 | 2.94 | 8.17 | 6.30 |
MAX | 4190 | 5540 | 4300 | 6940 | 4510 | 212 | 1640 | 297 | 243 | 4.3 | 104 | 49 |
MIN | 11 | 77 | 49 | 74 | 73 | 46 | 50 | 24 | 4.5 | 1.7 | 1.6 | 1.3 |
CFSM | 1.48 | 2.22 | 1.39 | 2.42 | 1.34 | 0.23 | 0.79 | 0.21 | 0.09 | 0.01 | 0.02 | 0.02 |
IN. | 1.70 | 2.47 | 1.60 | 2.79 | 1.39 | 0.27 | 0.89 | 0.24 | 0.10 | 0.01 | 0.03 | 0.02 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1944 - 2005, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 116 | 161 | 152 | 160 | 268 | 366 | 409 | 410 | 282 | 265 | 96.3 | 151 |
MAX | 1658 | 2172 | 1485 | 956 | 1237 | 1370 | 2163 | 2679 | 2251 | 1967 | 541 | 1954 |
(WY) | 1987 | 1986 | 1983 | 1946 | 1985 | 1985 | 1944 | 1995 | 1990 | 1993 | 1993 | 1970 |
MIN | 0.00 | 0.00 | 0.07 | 0.31 | 0.68 | 3.83 | 9.02 | 3.26 | 0.72 | 0.24 | 0.17 | 0.00 |
(WY) | 1957 | 1957 | 1957 | 1977 | 1989 | 1956 | 1977 | 1989 | 1956 | 1988 | 1988 | 1953 |
SUMMARY STATISTICS | FOR 2004 CALENDAR YEAR | FOR 2005 WATER YEAR | WATER YEARS 1944 - 2005 | |||
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ANNUAL TOTAL | 117752.2 | 108009.3 | ||||
ANNUAL MEAN | 322 | 296 | 234 | |||
HIGHEST ANNUAL MEAN | 711 | 1993 | ||||
LOWEST ANNUAL MEAN | 12.5 | 1989 | ||||
HIGHEST DAILY MEAN | 5540 | Nov 1 | 6940 | Jan 13 | 21300 | May 12 2002 |
LOWEST DAILY MEAN | 5.4 | Aug 24 | 1.3 | Sep 5-7 | 0.00 | A |
ANNUAL SEVEN-DAY MINIMUM | 6.3 | Aug 18 | 1.5 | Sep 2 | 0.00 | A |
MAXIMUM PEAK FLOW | 8830 | Jan 13 | 35500 B | May 8 1996 | ||
MAXIMUM PEAK STAGE | 15.06 | Jan 13 | 28.38 | Mar 4 1985 | ||
INSTANTANEOUS LOW FLOW | 1.2 | Sep 7 | ||||
ANNUAL RUNOFF (CFSM) | 0.922 | 0.848 | 0.671 | |||
ANNUAL RUNOFF (INCHES) | 12.55 | 11.51 | 9.12 | |||
10 PERCENT EXCEEDS | 784 | 657 | 428 | |||
50 PERCENT EXCEEDS | 71 | 68 | 25 | |||
90 PERCENT EXCEEDS | 13 | 2.6 | 1.2 |
A - Many days in 1953-56, 1962-64, 1976-77, 1988, and part of each day Aug. 17-19, 1989. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |