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LOCATION.-- Latitude 41°46'55", Longitude 88°10'23" (NAD of 1927), in NE1/4NW1/4NE1/4 sec.14, T.38 N., R.9 E., Du Page County, Hydrologic Unit 07120004, on State Highway 34 2.0 mi east of State Highway 59, and located at the Naperville North Operations Center at Naperville. |
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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, 2.74 in.(estimated), October 13, 2001. |
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EXTREMES FOR CURRENT YEAR.-- Maximum daily total, 2.74 in.(estimated), 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 | 0.01 | 0.00 | 0.19 | 0.13 | 0.06 | 0.00 | 0.00 | 0.00 |
| 2 | .00 | .00 | .01 | .00 | .00 | .26 | .18 | .01 | .00 | .00 | .00 | .09 |
| 3 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .26 | .00 | .00 | .00 |
| 4 | e1.01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 1.34 | .00 | .70 | .00 |
| 5 | e.42 | .00 | .02 | .00 | .00 | .01 | .00 | .00 | .00 | .00 | .11 | .00 |
| 6 | .00 | .00 | .00 | .01 | .00 | .23 | .00 | .17 | .05 | .00 | .00 | .00 |
| 7 | .00 | .00 | .00 | .00 | .00 | .00 | .43 | .01 | .11 | .00 | .00 | .00 |
| 8 | .00 | .00 | .00 | .00 | .00 | .12 | .84 | .00 | .00 | .00 | .00 | .00 |
| 9 | .00 | .00 | .00 | .00 | .01 | .45 | .08 | .26 | .00 | 2.14 | .00 | .00 |
| 10 | e.17 | .00 | .00 | .00 | .08 | .00 | .00 | .00 | .58 | .00 | .00 | .05 |
| 11 | .00 | .00 | .01 | .00 | .00 | .00 | .00 | 1.72 | .12 | .00 | .00 | .00 |
| 12 | e.45 | .00 | .37 | .00 | .00 | .00 | .03 | .15 | .00 | .00 | .02 | .00 |
| 13 | e2.74 | .11 | .02 | .00 | .00 | .00 | .00 | .00 | .12 | .00 | 1.63 | .00 |
| 14 | e.02 | .26 | .03 | .03 | .00 | .00 | .00 | .00 | .20 | .00 | .01 | .00 |
| 15 | e.05 | .00 | .00 | .00 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 |
| 16 | e.02 | .00 | .11 | .00 | .00 | .00 | .00 | .70 | .00 | .00 | .02 | .00 |
| 17 | .00 | .00 | .05 | .00 | .00 | .00 | .06 | .00 | .00 | .00 | .00 | .00 |
| 18 | .00 | .06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .12 |
| 19 | .00 | .07 | .08 | .00 | .48 | .02 | .55 | .05 | .00 | .00 | .13 | .00 |
| 20 | .00 | .00 | .00 | .04 | .25 | .03 | .26 | .00 | .00 | .00 | .00 | .43 |
| 21 | .00 | .00 | .00 | .01 | .01 | .00 | .26 | .00 | .00 | .00 | .00 | .00 |
| 22 | e.31 | .00 | .12 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 1.43 | .22 |
| 23 | e.48 | .00 | .00 | .00 | .00 | .00 | .00 | .03 | .00 | .00 | .17 | .00 |
| 24 | e.37 | .29 | .00 | .00 | .00 | .00 | .30 | .06 | .00 | .00 | .03 | .00 |
| 25 | .00 | .00 | .00 | .00 | .00 | .04 | .01 | .15 | .75 | .00 | .00 | .00 |
| 26 | .00 | .05 | .00 | .00 | .00 | .02 | .00 | .00 | .00 | .00 | .00 | .00 |
| 27 | .00 | .00 | .00 | .00 | .00 | .00 | .62 | .00 | .00 | .27 | .00 | .00 |
| 28 | .00 | .11 | .00 | .00 | .00 | .00 | .02 | .00 | .00 | .10 | .00 | .00 |
| 29 | .00 | .06 | .00 | .00 | -- | .49 | .00 | .00 | .00 | .12 | .00 | .08 |
| 30 | .03 | .21 | .00 | .12 | -- | .01 | .00 | .00 | .00 | .00 | .00 | .00 |
| 31 | .00 | -- | .00 | .31 | -- | .01 | -- | .00 | -- | .00 | .00 | -- |
| TOTAL | 6.07 | 1.22 | 0.82 | 0.52 | 0.84 | 1.70 | 3.83 | 3.44 | 3.59 | 2.63 | 4.25 | 0.99 |
| e Estimated |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |