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LOCATION.-- Latitude 41°50'37", longitude 87°58'17" (NAD of 1927), in SW1/4NE1/4NW1/4 sec.27, T.39 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on Midwest Road 50 ft north of U.S. Highway 88, and located on the roof of the Oakbrook Lift Station, at Oak Brook. |
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PERIOD OF RECORD.-- |
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PRECIPITATION: July 1997 to current year. |
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GAGE.-- A 6-in.-diameter, unheated, tipping-bucket rain gage. |
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REMARKS.-- 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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PRECIPITATION: Maximum daily total, 2.90 in, October 17, 1998. |
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EXTREMES FOR CURRENT YEAR.--Maximum daily total, 2.85 in., October 13. |
PRECIPITATION, TOTAL, 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 | 0.16 | 0.00 | 0.18 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2 | .00 | .00 | .00 | .00 | .00 | .06 | .15 | .04 | .00 | .00 | .00 | .91 |
| 3 | .00 | .00 | .00 | .00 | .06 | .00 | .00 | .00 | .28 | .00 | .00 | .00 |
| 4 | 1.15 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 1.42 | .00 | .60 | .00 |
| 5 | .47 | .00 | .04 | .00 | .00 | .02 | .00 | .00 | .00 | .00 | .09 | .00 |
| 6 | .00 | .00 | .00 | .00 | .06 | .64 | .00 | .21 | .00 | .00 | .00 | .00 |
| 7 | .00 | .00 | .00 | .00 | .04 | .00 | .36 | .00 | .00 | .00 | .00 | .00 |
| 8 | .00 | .00 | .00 | .00 | .00 | .24 | .89 | .06 | .00 | .00 | .00 | .00 |
| 9 | .00 | .00 | .00 | .00 | .00 | .53 | .09 | .25 | .00 | 1.36 | .00 | .00 |
| 10 | .18 | .00 | .00 | .01 | .05 | .00 | .00 | .00 | .44 | .00 | .00 | .05 |
| 11 | .01 | .00 | .00 | .00 | .00 | .00 | .00 | 1.61 | .00 | .00 | .00 | .00 |
| 12 | .69 | .00 | .29 | .00 | .00 | .00 | .03 | .46 | .00 | .00 | .05 | .00 |
| 13 | 2.85 | .00 | .15 | .00 | .00 | .00 | .00 | .00 | .35 | .00 | .84 | .00 |
| 14 | .04 | .24 | .05 | .02 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 15 | .03 | .00 | .00 | .00 | .00 | .02 | .00 | .00 | .00 | .00 | .00 | .00 |
| 16 | .02 | .00 | .12 | .00 | .00 | .00 | .00 | .02 | .00 | .00 | .08 | .00 |
| 17 | .00 | .00 | .08 | .00 | .00 | .01 | .19 | .00 | .00 | .00 | .00 | .00 |
| 18 | .00 | .08 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .01 | .00 | .30 |
| 19 | .00 | .10 | .05 | .00 | .44 | .01 | .21 | .00 | .00 | .00 | .13 | .25 |
| 20 | .00 | .00 | .00 | .01 | .29 | .04 | .44 | .00 | .00 | .00 | .00 | .25 |
| 21 | .00 | .00 | .00 | .05 | .00 | .00 | .28 | .00 | .00 | .00 | .00 | .00 |
| 22 | .22 | .00 | .10 | .01 | .00 | .00 | .01 | .00 | .00 | .00 | 2.78 | .16 |
| 23 | .58 | .00 | .00 | .00 | .00 | .00 | .00 | .07 | .00 | .00 | .12 | .00 |
| 24 | .73 | .20 | .00 | .00 | .00 | .00 | .34 | .02 | .00 | .00 | .00 | .00 |
| 25 | .00 | .28 | .00 | .00 | .00 | .00 | .00 | .00 | .42 | .00 | .00 | .00 |
| 26 | .00 | .06 | .00 | .00 | .00 | .01 | .00 | .00 | .00 | .03 | .00 | .00 |
| 27 | .00 | .00 | .00 | .00 | .00 | .00 | .61 | .00 | .00 | .25 | .00 | .00 |
| 28 | .00 | .07 | .00 | .00 | .00 | .00 | .05 | .00 | .00 | .00 | .00 | .00 |
| 29 | .00 | .09 | .00 | .00 | -- | .55 | .00 | .00 | .00 | .15 | .00 | .16 |
| 30 | .02 | .30 | .00 | .01 | -- | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 31 | .00 | -- | .00 | .01 | -- | .01 | -- | .00 | -- | .00 | .00 | -- |
| TOTAL | 6.99 | 1.42 | 0.89 | 0.12 | 1.10 | 2.14 | 3.83 | 2.89 | 2.91 | 1.80 | 4.69 | 2.08 |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |