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 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 49 | 48 | 37 | 49 | 53 | 38 | 63 | 504 | 126 | 37 | 86 | 118 |
2 | 78 | 43 | 39 | 49 | 51 | 40 | 52 | 536 | 92 | 37 | 202 | 103 |
3 | 64 | 42 | 43 | 49 | 62 | 41 | 49 | 347 | 110 | 36 | 182 | 63 |
4 | 151 | 42 | 42 | 47 | 74 | 42 | 232 | 210 | 88 | 43 | 215 | 50 |
5 | 134 | 43 | 40 | 48 | 51 | 42 | 376 | 464 | 74 | 114 | 134 | 44 |
6 | 78 | 43 | 40 | 50 | 48 | 42 | 237 | 331 | 69 | 176 | 178 | 41 |
7 | 61 | 42 | 40 | 48 | 44 | 44 | 166 | 213 | 69 | 143 | 314 | 39 |
8 | 47 | 42 | 40 | 48 | 45 | 41 | 147 | 145 | 108 | 130 | 181 | 39 |
9 | 46 | 42 | 42 | 48 | 44 | 42 | 115 | 562 | 131 | 150 | 111 | 37 |
10 | 43 | 47 | 41 | 47 | 41 | 42 | 108 | 472 | 102 | 125 | 74 | 36 |
11 | 43 | 48 | 38 | 45 | 43 | 36 | 92 | 467 | 86 | 86 | 64 | 36 |
12 | 43 | 42 | 38 | 46 | 42 | 77 | 73 | 311 | 71 | 58 | 60 | 35 |
13 | 44 | 39 | 38 | 46 | 41 | 119 | 64 | 211 | 63 | 46 | 56 | 32 |
14 | 45 | 41 | 38 | 44 | 40 | 88 | 55 | 172 | 58 | 45 | 54 | 81 |
15 | 43 | 55 | 39 | 42 | 41 | 77 | 53 | 152 | 51 | 244 | 51 | 74 |
16 | 41 | 44 | 42 | 42 | 39 | 75 | 51 | 130 | 49 | 167 | 47 | 55 |
17 | 40 | 46 | 42 | 43 | 42 | 75 | 49 | 105 | 48 | 114 | 50 | 46 |
18 | 45 | 45 | 180 | 43 | 41 | 67 | 48 | 92 | 51 | 320 | 46 | 41 |
19 | 43 | 55 | e338 | 45 | 40 | 62 | 45 | 86 | 97 | 163 | 44 | 40 |
20 | 42 | 49 | e192 | 44 | 40 | 87 | 49 | 104 | 55 | 100 | 45 | 36 |
21 | 43 | 48 | 89 | 43 | 42 | 73 | 47 | 82 | 48 | 345 | 43 | 32 |
22 | 41 | 59 | 71 | e43 | 42 | 60 | 45 | 73 | 45 | 198 | 40 | 53 |
23 | 39 | 50 | 62 | e40 | 41 | 53 | 42 | 69 | 46 | 114 | 35 | 46 |
24 | 39 | 45 | 59 | e40 | 43 | 56 | 40 | 62 | 41 | 88 | 34 | 42 |
25 | 55 | 45 | 55 | e41 | 43 | 61 | 39 | 55 | 37 | 65 | 37 | 42 |
26 | 52 | 46 | 53 | e42 | 41 | 56 | 34 | 52 | 40 | 50 | 40 | 68 |
27 | 46 | 46 | 52 | e40 | 40 | 50 | 34 | 53 | 40 | 46 | 39 | 109 |
28 | 44 | 44 | 50 | e43 | 39 | 81 | 39 | 71 | 31 | 55 | 37 | 62 |
29 | 44 | 43 | 49 | 40 | --- | 109 | 39 | 104 | 30 | 53 | 47 | 53 |
30 | 44 | 43 | 52 | 40 | --- | 76 | 139 | 90 | 36 | 47 | 39 | 45 |
31 | 55 | --- | 53 | 46 | --- | 65 | --- | 231 | --- | 45 | 38 | --- |
TOTAL | 1682 | 1367 | 2034 | 1381 | 1253 | 1917 | 2622 | 6556 | 1992 | 3440 | 2623 | 1598 |
MEAN | 54.3 | 45.6 | 65.6 | 44.5 | 44.8 | 61.8 | 87.4 | 211 | 66.4 | 111 | 84.6 | 53.3 |
MAX | 151 | 59 | 338 | 50 | 74 | 119 | 376 | 562 | 131 | 345 | 314 | 118 |
MIN | 39 | 39 | 37 | 40 | 39 | 36 | 34 | 52 | 30 | 36 | 34 | 32 |
CFSM | 0.72 | 0.60 | 0.87 | 0.59 | 0.59 | 0.82 | 1.15 | 2.79 | 0.88 | 1.46 | 1.12 | 0.70 |
IN. | 0.83 | 0.67 | 1.00 | 0.68 | 0.61 | 0.94 | 1.29 | 3.22 | 0.98 | 1.69 | 1.29 | 0.78 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2003, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 88.7 | 105 | 81.5 | 102 | 117 | 127 | 158 | 152 | 123 | 93.5 | 87.4 | 76.4 |
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 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1989 - 2003 | |||
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ANNUAL TOTAL | 36306 | 28465 | ||||
ANNUAL MEAN | 99.5 | 78.0 | 109 | |||
HIGHEST ANNUAL MEAN | 152 | 1993 | ||||
LOWEST ANNUAL MEAN | 76.9 | 1989 | ||||
HIGHEST DAILY MEAN | 949 | May 12 | 562 | May 9 | 2700 | Jul 18 1996 |
LOWEST DAILY MEAN | 37 | Dec 1 | 30 | Jun 29 | 12 | Aug 5 1993 |
ANNUAL SEVEN-DAY MINIMUM | 39 | Dec 9 | 35 | Jun 27 | 18 | Aug 16 1992 |
MAXIMUM PEAK FLOW | 668 | May 9 | 3980 | Jul 18 1996 | ||
MAXIMUM PEAK STAGE | 19.39 | May 9 | 23.75 | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 19 | Jun 28,29 | 2.4 | Aug 5 1993 | ||
ANNUAL RUNOFF (CFSM) | 1.31 | 1.03 | 1.44 | |||
ANNUAL RUNOFF (INCHES) | 17.82 | 13.97 | 19.58 | |||
10 PERCENT EXCEEDS | 187 | 150 | 212 | |||
50 PERCENT EXCEEDS | 63 | 48 | 71 | |||
90 PERCENT EXCEEDS | 43 | 39 | 38 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |