LOCATION.-- Lat 41°43'05", long 88°04'14" (NAD of 1927), in NE1/4SE1/4 sec.3, T.37 N., R.10 E., Will County, Hydrologic Unit 07120004, on downstream side of bridge on Royce Road, 0.5 mi north of Bolingbrook, 4.8 mi northwest of Lemont, and at mile 6.0. |
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DRAINAGE AREA.-- 75.8 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1988 to current year. |
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STAGE: Water years 1994 to current year. |
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PARTIAL RECORD: Annual maximum gage height, water years 1962-70 (published as "at Barbers Corners"). |
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PRECIPITATION: May 1989 to September 1995. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 625.28 ft above NGVD of 1929. Prior to Oct. 1, 1988, at datum 17.07 ft higher. |
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REMARKS.-- Diurnal fluctuation at low flow caused by sewage treatment plants upstream from station. For precipitation records, snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as temperatures rise. Snowfall-affected data are subject to appreciable errors. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 3,980 ft3/s, July 18, 1996, gage height, 23.75 ft; minimum discharge, 2.4 ft3/s, Aug. 5, 1993. |
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PRECIPITATION: Maximum recorded, 3.80 in., May 9, 1990 but may have been greater during periods of missing record. |
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REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 41 | 33 | e66 | 62 | 46 | 101 | 184 | 79 | 507 | 60 | 49 | 89 |
2 | 37 | 80 | e62 | 60 | 46 | 119 | 147 | 71 | 317 | 60 | 48 | 71 |
3 | 44 | 372 | e50 | 62 | 49 | 95 | 125 | 65 | 239 | 73 | 54 | 61 |
4 | 47 | 287 | 63 | 61 | 47 | 118 | 109 | 60 | 166 | 124 | 202 | 56 |
5 | e41 | 656 | 165 | 67 | 47 | 611 | 97 | 57 | 129 | 79 | 117 | 52 |
6 | 39 | 351 | 137 | 61 | 47 | 484 | 92 | 55 | 106 | 112 | 82 | 53 |
7 | 38 | e250 | 93 | 58 | 46 | 278 | 87 | 58 | 92 | 133 | 65 | 53 |
8 | 37 | e160 | 81 | 58 | 49 | 191 | 82 | 58 | 81 | 79 | 56 | 47 |
9 | 38 | 77 | 88 | 55 | 49 | 154 | 78 | 55 | 76 | 92 | 54 | 45 |
10 | 37 | 63 | 447 | 54 | 46 | 125 | 74 | 53 | 158 | 166 | 53 | 44 |
11 | 37 | 59 | 426 | 54 | 45 | 110 | 72 | 55 | 391 | 108 | 49 | 44 |
12 | 38 | 54 | 260 | 59 | 47 | 96 | 69 | 52 | 691 | 113 | 50 | 43 |
13 | 38 | 49 | 164 | 58 | 46 | 87 | 68 | 77 | 433 | 79 | 49 | 44 |
14 | 147 | 46 | 128 | 57 | 47 | 114 | 66 | 201 | 251 | 66 | 48 | 41 |
15 | 125 | 42 | 111 | 55 | 47 | 99 | 64 | 236 | 197 | 61 | 47 | 45 |
16 | 75 | 49 | 101 | 53 | 45 | 94 | 62 | 146 | 151 | 54 | 48 | 73 |
17 | 59 | 47 | 89 | 57 | 47 | 95 | 63 | 101 | 123 | 49 | 54 | 55 |
18 | 49 | 432 | 85 | 62 | 46 | 106 | 60 | 122 | 104 | 49 | 68 | 48 |
19 | 46 | 511 | 79 | 54 | 48 | 113 | 60 | 101 | 88 | 50 | 67 | 45 |
20 | 46 | 270 | 73 | 53 | 128 | 127 | 70 | 85 | 78 | 49 | 57 | 46 |
21 | 42 | e200 | 70 | 50 | 159 | 112 | 110 | 105 | 108 | 65 | 52 | 46 |
22 | 39 | e160 | 70 | 48 | 129 | 100 | 85 | 215 | 158 | 68 | 49 | 42 |
23 | 38 | e125 | 70 | 48 | 153 | 89 | 72 | 191 | 110 | 66 | 51 | 27 |
24 | 35 | e240 | 67 | 49 | 161 | 132 | 70 | 150 | 96 | 61 | 125 | 30 |
25 | 96 | e150 | 63 | 48 | 133 | 147 | 164 | 134 | 92 | 56 | 181 | 29 |
26 | e46 | e120 | 60 | 49 | 114 | 262 | 112 | 110 | 75 | 54 | 171 | 30 |
27 | e39 | e100 | 60 | 48 | 98 | 258 | 84 | 89 | 68 | 52 | 186 | 30 |
28 | e38 | e84 | 79 | 47 | 89 | 240 | 72 | 75 | 69 | 46 | 812 | 28 |
29 | e36 | e76 | 78 | 47 | 83 | 515 | 66 | 65 | 65 | 47 | 477 | 28 |
30 | e35 | e72 | 71 | 46 | --- | 371 | 73 | 259 | 62 | 52 | 191 | 26 |
31 | 37 | --- | 68 | 45 | --- | 242 | --- | 597 | --- | 52 | 122 | --- |
TOTAL | 1540 | 5215 | 3524 | 1685 | 2137 | 5785 | 2637 | 3777 | 5281 | 2275 | 3734 | 1371 |
MEAN | 49.7 | 174 | 114 | 54.4 | 73.7 | 187 | 87.9 | 122 | 176 | 73.4 | 120 | 45.7 |
MAX | 147 | 656 | 447 | 67 | 161 | 611 | 184 | 597 | 691 | 166 | 812 | 89 |
MIN | 35 | 33 | 50 | 45 | 45 | 87 | 60 | 52 | 62 | 46 | 47 | 26 |
CFSM | 0.66 | 2.29 | 1.50 | 0.72 | 0.97 | 2.46 | 1.16 | 1.61 | 2.32 | 0.97 | 1.59 | 0.60 |
IN. | 0.76 | 2.56 | 1.73 | 0.83 | 1.05 | 2.84 | 1.29 | 1.85 | 2.59 | 1.12 | 1.83 | 0.67 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2004, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 86.3 | 109 | 83.5 | 99.3 | 114 | 131 | 154 | 150 | 126 | 92.2 | 89.4 | 74.5 |
MAX | 284 | 179 | 135 | 263 | 306 | 208 | 358 | 286 | 239 | 299 | 155 | 134 |
(WY) | 2002 | 1991 | 1995 | 1993 | 1997 | 1993 | 1993 | 1990 | 1993 | 1996 | 1998 | 2001 |
MIN | 38.4 | 40.9 | 23.5 | 44.5 | 42.2 | 52.5 | 50.5 | 43.5 | 43.6 | 41.7 | 38.0 | 41.1 |
(WY) | 1990 | 2000 | 1990 | 2003 | 1989 | 2000 | 1989 | 1992 | 1992 | 1991 | 1991 | 1991 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1989 - 2004 | |||
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ANNUAL TOTAL | 33661 | 38961 | ||||
ANNUAL MEAN | 92.2 | 106 | 109 | |||
HIGHEST ANNUAL MEAN | 152 | 1993 | ||||
LOWEST ANNUAL MEAN | 76.9 | 1989 | ||||
HIGHEST DAILY MEAN | 656 | Nov 5 | 812 | Aug 28 | 2700 | Jul 18 1996 |
LOWEST DAILY MEAN | 30 | Jun 29 | 26 | Sep 30 | 12 | Aug 5 1993 |
ANNUAL SEVEN-DAY MINIMUM | 35 | Jun 27 | 29 | Sep 24 | 18 | Aug 16 1992 |
MAXIMUM PEAK FLOW | 989 | Aug 28 | 3980 | Jul 18 1996 | ||
MAXIMUM PEAK STAGE | 20.32 | Aug 28 | 23.75 | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 19 | Sep 25 | 2.4 | Aug 5 1993 | ||
ANNUAL RUNOFF (CFSM) | 1.22 | 1.40 | 1.44 | |||
ANNUAL RUNOFF (INCHES) | 16.52 | 19.12 | 19.54 | |||
10 PERCENT EXCEEDS | 188 | 200 | 211 | |||
50 PERCENT EXCEEDS | 53 | 68 | 71 | |||
90 PERCENT EXCEEDS | 38 | 44 | 38 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |