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LOCATION.-- Latitude 41°46'52", longitude 88°13'59" (NAD of 1927), SE1/4NE1/4NE1/4 sec.17, T.38 N., R.9 E., Du Page County, Hydrologic Unit 07120004, on North Aurora Avenue 1.4 mi south of State Highway 59, and located at the Naperville Township Highway Division, at Naperville. |
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PERIOD OF RECORD.-- |
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PRECIPITATION: July 1997 to current year. |
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GAGE.-- An 8-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, 2.74 in., October 13, 2001. |
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EXTREMES FOR CURRENT YEAR.--Maximum daily total, 2.74 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 | 0.00 | 0.00 | 0.06 | 0.00 | 0.18 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2 | .00 | .00 | .00 | .00 | .00 | .12 | .14 | .00 | .00 | .00 | .00 | .01 |
| 3 | .00 | .00 | .00 | .00 | .02 | .00 | .00 | .00 | .30 | .00 | .00 | .00 |
| 4 | 1.01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 1.63 | .00 | .75 | .00 |
| 5 | .42 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 6 | .00 | .00 | .00 | .00 | .00 | .44 | .00 | .05 | .00 | .00 | .00 | .00 |
| 7 | .00 | .00 | .00 | .00 | .09 | .00 | .11 | .00 | .00 | .00 | .00 | .00 |
| 8 | .00 | .00 | .00 | .00 | .00 | .11 | .74 | .07 | .00 | .04 | .00 | .08 |
| 9 | .00 | .00 | .00 | .00 | .00 | .31 | .02 | .20 | .00 | 2.40 | .00 | .00 |
| 10 | .17 | .00 | .00 | .00 | .09 | .00 | .00 | .00 | .07 | .00 | .00 | .00 |
| 11 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 1.89 | .00 | .00 | .00 | .00 |
| 12 | .45 | .00 | .24 | .00 | .00 | .00 | .00 | .07 | .00 | .00 | .01 | .00 |
| 13 | 2.74 | .11 | .06 | .00 | .00 | .00 | .00 | .00 | .08 | .00 | 1.54 | .00 |
| 14 | .02 | .25 | .02 | .03 | .00 | .00 | .00 | .00 | .14 | .00 | .00 | .00 |
| 15 | .05 | .00 | .00 | .00 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 |
| 16 | .02 | .00 | .04 | .00 | .00 | .00 | .00 | .70 | .00 | .00 | .00 | .00 |
| 17 | .00 | .00 | .04 | s.01 | .00 | .00 | .01 | .00 | .00 | .00 | .00 | .00 |
| 18 | .00 | .06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .07 |
| 19 | .00 | .06 | .03 | .00 | .23 | .00 | .90 | .02 | .00 | .00 | .07 | .09 |
| 20 | .00 | .00 | .00 | .00 | .24 | .02 | .14 | .00 | .00 | .00 | .00 | .27 |
| 21 | .00 | .00 | .00 | .00 | .00 | .00 | .23 | .00 | .00 | .00 | .00 | .00 |
| 22 | .31 | .00 | .05 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 1.10 | .19 |
| 23 | .48 | .02 | .00 | .00 | .00 | .00 | .00 | .06 | .00 | .00 | .22 | .00 |
| 24 | .37 | .24 | .00 | .00 | .00 | .00 | .30 | .00 | .00 | .00 | .00 | .00 |
| 25 | .00 | .08 | .00 | .00 | .00 | .00 | .00 | .30 | .01 | .00 | .00 | .00 |
| 26 | .00 | .03 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 27 | .00 | .00 | .00 | .00 | .00 | .00 | .55 | .00 | .00 | .27 | .00 | .00 |
| 28 | .00 | .06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 29 | .00 | .06 | .00 | .00 | -- | .56 | .00 | .00 | .00 | .00 | .00 | .08 |
| 30 | .02 | .22 | .00 | .00 | -- | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 31 | .00 | -- | .00 | .10 | -- | .00 | -- | .00 | -- | .00 | .00 | -- |
| TOTAL | 6.06 | 1.19 | 0.49 | 0.14 | 0.73 | 1.57 | 3.32 | 3.47 | 2.23 | 2.71 | 3.69 | 0.79 |
| s Snowfall-affected precipitation |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |