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LOCATION.-- Lat 41°50'50", long 87°56'13" (NAD of 1927), in SE1/4SW1/4 sec.24, T.39 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on left bank at downstream side of bridge on 22nd Street in Oak Brook and at mile 14.9. |
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DRAINAGE AREA.-- 103 mi2. |
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PERIOD OF RECORD.-- |
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STAGE: June 1994 to current year. |
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PRECIPITATION: October 1995 to current year. |
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GAGE.-- Water-stage recorder and an unheated, tipping-bucket rain gage. Datum of gage is 600.00 ft above NGVD of 1929. |
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REMARKS.-- Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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STAGE: Maximum gage height, 55.03 ft, Feb. 21, 1997; minimum, 46.76 ft, Sept. 27, 28, 1995. |
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PRECIPITATION: Maximum daily total, 3.38 in., September 11, 2000, but may have been greater during periods of missing record. |
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EXTREMES FOR CURRENT YEAR.--Maximum daily total, 3.06 in., August 22. |
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PRECIPITATION (CR10), in INCHES, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY SUM VALUES |
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| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 0.00 | 0.00 | 0.01 | 0.00 | 0.25 | 0.00 | 0.21 | 0.21 | 0.00 | 0.00 | 0.01 | 0.00 |
| 2 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.11 | 0.00 | 0.00 | 0.00 | 0.14 | 1.00 |
| 3 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.24 | 0.00 | 0.00 | 0.00 |
| 4 | 1.45 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 1.41 | 0.00 | 0.68 | 0.00 |
| 5 | 0.15 | 0.00 | 0.07 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 |
| 6 | 0.01 | 0.00 | 0.00 | 0.00 | 0.05 | 0.61 | 0.00 | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 |
| 7 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.36 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 8 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 0.92 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.47 | 0.02 | 0.22 | 0.00 | 0.01 | 0.00 | 0.00 |
| 10 | 0.17 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.13 | 0.00 | 0.00 | 0.10 |
| 11 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.71 | 0.00 | 0.00 | 0.00 | 0.00 |
| 12 | 0.56 | 0.00 | 0.35 | 0.00 | 0.00 | 0.00 | 0.03 | 0.19 | 0.00 | 0.00 | 0.02 | 0.00 |
| 13 | 3.03 | 0.04 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.73 | 0.00 |
| 14 | 0.03 | 0.22 | 0.07 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 |
| 15 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 |
| 16 | 0.02 | 0.00 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.65 | 0.00 | 0.00 | 0.09 | 0.00 |
| 17 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 0.01 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 18 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 |
| 19 | 0.00 | 0.08 | 0.12 | 0.00 | 0.48 | 0.02 | 0.31 | 0.06 | 0.00 | 0.00 | 0.15 | 0.27 |
| 20 | 0.00 | 0.00 | 0.00 | 0.01 | 0.27 | 0.03 | 0.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 |
| 21 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 22 | 0.20 | 0.00 | 0.11 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.06 | 0.19 |
| 23 | 0.54 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | 0.13 | 0.00 |
| 24 | 0.72 | 0.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 |
| 25 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 |
| 26 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 |
| 27 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.69 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 |
| 28 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 |
| 29 | 0.00 | 0.12 | 0.00 | 0.00 | --- | 0.45 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.23 |
| 30 | 0.03 | 0.25 | 0.00 | 0.00 | --- | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 31 | 0.01 | --- | 0.00 | 0.08 | --- | 0.02 | --- | 0.00 | --- | 0.00 | 0.00 | --- |
| TOTAL | 7.01 | 1.32 | 0.93 | 0.16 | 1.21 | 2.13 | 3.74 | 3.65 | 1.88 | 0.55 | 5.06 | 2.33 |
| MEAN | 0.23 | 0.04 | 0.03 | 0.00 | 0.04 | 0.07 | 0.12 | 0.12 | 0.06 | 0.02 | 0.16 | 0.08 |
| MAX | 3.03 | 0.27 | 0.35 | 0.08 | 0.48 | 0.61 | 0.92 | 1.71 | 1.41 | 0.25 | 3.06 | 1.00 |
| WTR YR 2002 TOTAL 29.97 MEAN 0.08 MAX 3.06 |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |