LOCATION.-- Lat 39°47'29", long 88°11'08" (NAD of 1927), in NE1/4NW1/4 sec.3, T.15 N., R.9 E., Douglas County, Hydrologic Unit 05120112, on left bank at downstream side of bridge on U.S. Highway 36, 2.0 mi southwest of Camargo, 5.7 miles east of Tuscola, and at mile 166.5. |
|
DRAINAGE AREA.-- 186 mi2. |
|
PERIOD OF RECORD.-- |
|
SURFACE-WATER DISCHARGE AND STAGE |
|
DISCHARGE: October 1960 to current year. |
|
STAGE: Water years 1994 to current year. |
|
REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
|
GAGE.-- Water-stage recorder, phone telemeter and crest-stage gage. Datum of gage is 622.30 ft above NGVD of 1929. |
|
EXTREMES FOR PERIOD OF RECORD.-- |
|
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,040 ft3/s, Apr. 12, 1994, gage height, 17.33 ft; no flow for many days in most years. |
|
REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 39 | 22 | 220 | 631 | e87 | 109 | 1130 | 96 | 118 | 38 | 20 | 23 |
2 | 33 | 20 | 184 | 457 | e83 | 131 | 792 | 127 | 99 | 35 | 15 | 16 |
3 | 29 | 20 | 170 | 391 | e80 | 120 | 560 | 130 | 83 | 75 | 14 | 12 |
4 | 31 | 21 | 163 | 1050 | e77 | 162 | 408 | 119 | 74 | 479 | 13 | 9.6 |
5 | 29 | 24 | 159 | 2880 | e74 | 637 | 315 | 110 | 71 | 515 | 11 | 8.2 |
6 | 24 | 29 | 155 | 1830 | e71 | 927 | 259 | 97 | 71 | 305 | 10 | 7.6 |
7 | 21 | 28 | 149 | 1130 | e69 | 694 | 229 | 86 | 66 | 201 | 8.9 | 6.9 |
8 | 20 | 24 | 148 | 575 | e67 | 451 | 204 | 76 | 61 | 168 | 8.0 | 6.4 |
9 | 19 | 21 | 145 | 387 | e66 | 337 | 169 | 73 | 56 | 107 | 7.6 | 6.3 |
10 | 19 | 20 | 149 | 301 | e65 | 268 | 143 | 70 | 54 | 232 | 7.8 | 5.8 |
11 | 20 | 20 | 169 | 257 | e63 | 231 | 131 | 192 | 151 | 421 | 15 | 5.4 |
12 | 20 | 25 | 149 | 249 | e62 | 201 | 119 | 345 | 628 | 296 | 9.7 | 5.2 |
13 | 20 | 26 | 133 | 229 | e61 | 175 | 113 | 285 | 794 | 195 | 7.5 | 5.1 |
14 | 26 | 23 | 132 | 209 | e60 | 164 | 106 | 240 | 421 | 320 | 6.4 | 5.4 |
15 | 51 | 19 | e130 | 207 | e60 | 151 | 95 | 365 | 225 | 351 | 5.5 | 14 |
16 | 46 | 19 | 125 | 187 | e59 | 146 | 90 | 378 | 204 | 214 | 4.8 | 36 |
17 | 36 | 20 | 112 | 185 | e58 | 150 | 88 | 288 | 328 | 138 | 4.5 | 11 |
18 | 31 | 69 | 103 | 257 | e64 | 145 | 82 | 234 | 415 | 153 | 5.6 | 8.5 |
19 | 28 | 529 | 98 | 257 | 127 | 130 | 79 | 307 | 288 | 116 | 4.7 | 5.5 |
20 | 28 | 792 | 86 | 205 | 205 | 123 | 84 | 436 | 198 | 79 | 6.1 | 3.8 |
21 | 26 | 598 | 82 | 180 | 221 | 117 | 109 | 358 | 156 | 61 | 9.4 | 2.9 |
22 | 26 | 378 | 94 | 170 | 169 | 103 | 99 | 270 | 138 | 51 | 9.3 | 2.3 |
23 | 25 | 305 | 290 | 144 | 137 | 101 | 172 | 228 | 108 | 43 | 6.8 | 2.2 |
24 | 24 | 615 | 733 | 151 | 139 | 102 | 195 | 201 | 88 | 37 | 5.9 | 2.9 |
25 | 22 | 827 | 708 | 121 | 135 | 105 | 164 | 201 | 75 | 31 | 6.6 | 2.7 |
26 | 23 | 665 | 461 | 111 | 123 | 349 | 146 | 237 | 69 | 28 | 22 | 2.7 |
27 | 26 | 465 | 334 | e130 | 113 | 2380 | 124 | 206 | 60 | 26 | 40 | 2.3 |
28 | 25 | 360 | 287 | e115 | 102 | 1690 | 108 | 169 | 53 | 23 | 21 | 2.0 |
29 | 26 | 294 | 557 | e102 | 100 | 1080 | 99 | 136 | 47 | 20 | 75 | 2.3 |
30 | 25 | 255 | 1040 | e97 | --- | 1070 | 89 | 123 | 42 | e19 | 75 | 2.9 |
31 | 22 | --- | 911 | e90 | --- | 1330 | --- | 132 | --- | 22 | 39 | --- |
TOTAL | 840 | 6533 | 8376 | 13285 | 2797 | 13879 | 6501 | 6315 | 5241 | 4799 | 495.1 | 226.9 |
MEAN | 27.1 | 218 | 270 | 429 | 96.4 | 448 | 217 | 204 | 175 | 155 | 16.0 | 7.56 |
MAX | 51 | 827 | 1040 | 2880 | 221 | 2380 | 1130 | 436 | 794 | 515 | 75 | 36 |
MIN | 19 | 19 | 82 | 90 | 58 | 101 | 79 | 70 | 42 | 19 | 4.5 | 2.0 |
CFSM | 0.15 | 1.17 | 1.45 | 2.30 | 0.52 | 2.41 | 1.17 | 1.10 | 0.94 | 0.83 | 0.09 | 0.04 |
IN. | 0.17 | 1.31 | 1.68 | 2.66 | 0.56 | 2.78 | 1.30 | 1.26 | 1.05 | 0.96 | 0.10 | 0.05 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 2004, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 54.6 | 113 | 193 | 176 | 235 | 262 | 298 | 295 | 180 | 102 | 57.9 | 43.8 |
MAX | 570 | 910 | 691 | 684 | 650 | 861 | 893 | 1263 | 773 | 487 | 315 | 422 |
(WY) | 1994 | 1993 | 1984 | 1974 | 1985 | 1979 | 2002 | 1996 | 1974 | 1992 | 1979 | 1993 |
MIN | 0.00 | 0.92 | 1.05 | 0.63 | 4.11 | 60.0 | 24.8 | 36.5 | 14.3 | 9.59 | 0.12 | 0.02 |
(WY) | 1961 | 1961 | 1961 | 1977 | 1963 | 2003 | 2003 | 1976 | 1988 | 1988 | 1964 | 1964 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1961 - 2004 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 36390.1 | 69288.0 | ||||
ANNUAL MEAN | 99.7 | 189 | 167 | |||
HIGHEST ANNUAL MEAN | 357 | 1993 | ||||
LOWEST ANNUAL MEAN | 57.6 | 2000 | ||||
HIGHEST DAILY MEAN | 1100 | May 11 | 2880 | Jan 5 | 7000 | May 13 2002 |
LOWEST DAILY MEAN | 3.3 | Aug 26 | 2.0 | Sep 28 | 0.00 | A |
ANNUAL SEVEN-DAY MINIMUM | 3.6 | Aug 21 | 2.4 | Sep 22 | 0.00 | Oct 1 1960 |
MAXIMUM PEAK FLOW | 3160 | Jan 5 | 8040 | Apr 12 1994 | ||
MAXIMUM PEAK STAGE | 13.25 | Jan 5 | 17.33 | Apr 12 1994 | ||
INSTANTANEOUS LOW FLOW | 1.8 | Sep 28 | ||||
ANNUAL RUNOFF (CFSM) | 0.536 | 1.02 | 0.899 | |||
ANNUAL RUNOFF (INCHES) | 7.28 | 13.86 | 12.21 | |||
10 PERCENT EXCEEDS | 283 | 440 | 428 | |||
50 PERCENT EXCEEDS | 31 | 102 | 60 | |||
90 PERCENT EXCEEDS | 9.2 | 8.4 | 2.9 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |