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LOCATION.-- Latitude 41°47'47", longitude 87°58'27" (NAD of 1927), in SW1/4SW1/4NW1/4 sec. 10, T.38 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on Burlington Avenue 500 ft east of Cass Avenue, and located at the Westmont Water Department at Westmont. |
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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, 2.94 in., October 17, 1998. |
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EXTREMES FOR CURRENT YEAR.-- Maximum daily total, 2.50 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 | 0.01 | 0.01 | 0.00 | 0.11 | 0.00 | 0.16 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2 | .00 | .00 | .01 | .00 | .01 | .22 | .18 | .02 | .00 | .00 | .00 | .24 |
| 3 | .00 | .00 | .00 | .00 | .01 | .00 | .00 | .00 | .16 | .00 | .00 | .00 |
| 4 | 1.17 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .96 | .00 | .62 | .00 |
| 5 | .21 | .00 | .06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .03 | .00 |
| 6 | .00 | .00 | .00 | .02 | .00 | .11 | .00 | .24 | .00 | .00 | .00 | .00 |
| 7 | .00 | .00 | .00 | .00 | .00 | .00 | .34 | .00 | .00 | .00 | .00 | .00 |
| 8 | .00 | .00 | .00 | .00 | .00 | .24 | .74 | .06 | .00 | .00 | .00 | .00 |
| 9 | .00 | .00 | .00 | .00 | .00 | .46 | .10 | .28 | .00 | 1.32 | .00 | .00 |
| 10 | .13 | .00 | .00 | .00 | .04 | .00 | .00 | .00 | .40 | .00 | .00 | .10 |
| 11 | .03 | .01 | .00 | .00 | .00 | .00 | .00 | 1.48 | .26 | .00 | .00 | .00 |
| 12 | .56 | .00 | .53 | .00 | .00 | .00 | .09 | .20 | .00 | .00 | .02 | .00 |
| 13 | 2.50 | .00 | .02 | .00 | .00 | .00 | .00 | .00 | .35 | .00 | .24 | .00 |
| 14 | .01 | .22 | .11 | .04 | .00 | .00 | .00 | .00 | .17 | .00 | .00 | .00 |
| 15 | .03 | .00 | .00 | .00 | .00 | .04 | .00 | .00 | .00 | .00 | .00 | .00 |
| 16 | .00 | .00 | .15 | .00 | .00 | .00 | .00 | .63 | .00 | .00 | .10 | .00 |
| 17 | .00 | .00 | .07 | .00 | .00 | .00 | .24 | .00 | .02 | .00 | .00 | .00 |
| 18 | .00 | .05 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .50 |
| 19 | .00 | .09 | .09 | .00 | .44 | .01 | .54 | .00 | .00 | .00 | .21 | .39 |
| 20 | .00 | .00 | .00 | .00 | .34 | .04 | .25 | .00 | .00 | .00 | .00 | .24 |
| 21 | .00 | .00 | .00 | .02 | .00 | .00 | .25 | .00 | .00 | .00 | .00 | .00 |
| 22 | .13 | .00 | .12 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 2.47 | .19 |
| 23 | .58 | .00 | .00 | .00 | .00 | .00 | .00 | .01 | .00 | .00 | .48 | .00 |
| 24 | .59 | .19 | .00 | .00 | .00 | .00 | .39 | .10 | .00 | .00 | .00 | .00 |
| 25 | .00 | .29 | .00 | .00 | .00 | .00 | .00 | .10 | .00 | .00 | .00 | .00 |
| 26 | .00 | .05 | .00 | .00 | .00 | .02 | .00 | .00 | .00 | .06 | .00 | .00 |
| 27 | .00 | .01 | .00 | .00 | .00 | .00 | .52 | .00 | .00 | .26 | .00 | .00 |
| 28 | .00 | .06 | .00 | .00 | .00 | .00 | .03 | .00 | .00 | .00 | .00 | .00 |
| 29 | .00 | .10 | .00 | .00 | -- | .42 | .00 | .00 | .00 | .16 | .00 | .09 |
| 30 | .01 | .23 | .00 | .01 | -- | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 31 | .00 | -- | .00 | .14 | -- | .02 | -- | .00 | -- | .00 | .00 | -- |
| TOTAL | 5.95 | 1.31 | 1.17 | 0.23 | 0.95 | 1.58 | 3.83 | 3.29 | 2.32 | 1.80 | 4.17 | 1.75 |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |