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LOCATION.-- Latitude 41°55'18", longitude 87°58'30" (NAD of 1927), in SE1/4SW1/4SW1/4 sec. 27, T.40 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on Villa Avenue 0.5 mi south of State Highway 20, and located on the southern most building of the Addison Wastewater Treatment Facility at Addison. |
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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, 3.79 in., October 13, 2001. |
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EXTREMES FOR CURRENT YEAR.--Maximum daily total, 3.79 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 | 0.19 | 0.00 | 0.23 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2 | .00 | .00 | .00 | .00 | .00 | .25 | .05 | .00 | .00 | .00 | .00 | e.49 |
| 3 | .00 | .00 | .00 | .00 | .00 | .00 | .01 | .00 | .33 | .00 | .00 | .00 |
| 4 | e.87 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 2.17 | .00 | e.53 | .00 |
| 5 | e.18 | .00 | e.05 | .01 | .00 | .10 | .00 | .00 | .00 | .00 | .00 | .00 |
| 6 | .00 | .00 | .00 | .00 | .00 | .44 | .01 | .03 | .00 | .00 | .00 | .00 |
| 7 | .00 | .00 | .00 | .00 | .00 | .00 | .38 | .00 | .00 | .00 | .00 | .00 |
| 8 | .00 | .00 | .00 | .00 | .00 | .15 | .77 | .04 | .00 | .00 | .00 | .00 |
| 9 | .00 | .00 | .00 | .00 | .00 | .63 | .10 | .26 | .00 | 1.70 | .00 | .00 |
| 10 | .00 | .00 | .00 | .00 | .08 | .00 | .00 | .00 | .88 | .00 | .00 | e.02 |
| 11 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 2.13 | .04 | .00 | .00 | .00 |
| 12 | .32 | .00 | e.40 | .00 | .00 | .00 | .01 | .21 | .00 | .00 | .11 | .00 |
| 13 | 3.79 | .00 | e.13 | .00 | .00 | .00 | .00 | .00 | .15 | .00 | 2.21 | .00 |
| 14 | .03 | .17 | .00 | .03 | .00 | .00 | .00 | .00 | .36 | .00 | .00 | .00 |
| 15 | .01 | .00 | .00 | .00 | .00 | .03 | .00 | .00 | .00 | .00 | .00 | .00 |
| 16 | .00 | .00 | .00 | .05 | .00 | .00 | .00 | .79 | .00 | .00 | .02 | .00 |
| 17 | .00 | .00 | .00 | .01 | .00 | .00 | .11 | .00 | .00 | .00 | .00 | .00 |
| 18 | .00 | .09 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | e.28 |
| 19 | .00 | .09 | .00 | .00 | .35 | .00 | .27 | .00 | .00 | .00 | .23 | e.11 |
| 20 | .00 | .00 | .00 | .02 | .32 | .04 | .25 | .00 | .00 | .00 | .00 | e.31 |
| 21 | .00 | .00 | .00 | .02 | .00 | .00 | .34 | .00 | .00 | .00 | .00 | .00 |
| 22 | .37 | .00 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 | .13 | e.23 |
| 23 | .72 | .01 | s.01 | .00 | .00 | .00 | .00 | .03 | .00 | .00 | .06 | .00 |
| 24 | .45 | .28 | .00 | .00 | .00 | .00 | .01 | .02 | .00 | .00 | .00 | .00 |
| 25 | .00 | .17 | .00 | .00 | .00 | .00 | .00 | .08 | .11 | .00 | .00 | .00 |
| 26 | .00 | .03 | .00 | .00 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 |
| 27 | .00 | .00 | .00 | .00 | .00 | .00 | .65 | .00 | .02 | .00 | .00 | .00 |
| 28 | .00 | .06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 29 | .00 | .08 | .00 | .00 | -- | .59 | .00 | .00 | .00 | .00 | .00 | .00 |
| 30 | .03 | .24 | .00 | .01 | -- | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 31 | .00 | -- | .00 | .29 | -- | .01 | -- | .00 | -- | .00 | .00 | -- |
| TOTAL | 6.77 | 1.22 | 0.59 | 0.45 | 0.94 | 2.25 | 3.19 | 3.80 | 4.06 | 1.70 | 3.29 | 1.44 |
| s Snowfall-affected precipitation | |
| e Estimated |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |