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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, 2.69 in., August 28. |
PRECIPITATION, TOTAL, IN INCHES, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY SUM VALUES |
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| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 0.00 | 0.06 | 0.00 | 0.00 | s0.01 | 0.20 | 0.00 | 0.04 | 0.03 | 0.00 | 0.00 | 0.00 |
| 2 | 0.00 | 0.70 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 |
| 3 | 0.25 | 0.91 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.88 | 0.88 | 0.00 |
| 4 | 0.00 | 1.96 | 0.36 | 0.00 | s0.06 | 0.82 | 0.00 | 0.00 | 0.00 | 0.01 | 0.22 | 0.00 |
| 5 | 0.00 | 0.00 | 0.24 | 0.00 | 0.00 | 0.56 | 0.00 | 0.00 | 0.00 | 0.28 | 0.00 | 0.00 |
| 6 | 0.00 | 0.00 | 0.00 | 0.00 | s0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 0.00 | 0.00 |
| 7 | 0.00 | 0.00 | 0.00 | 0.00 | e0.01 | 0.01 | 0.00 | 0.08 | 0.00 | 0.04 | 0.00 | 0.00 |
| 8 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9 | 0.00 | 0.00 | 0.36 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.56 | 0.01 | 0.00 |
| 10 | 0.00 | 0.01 | 0.55 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 1.33 | 0.00 | 0.00 | 0.01 |
| 11 | 0.03 | 0.01 | 0.00 | 0.00 | s0.01 | 0.00 | 0.00 | 0.00 | 0.43 | 0.06 | 0.01 | 0.00 |
| 12 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 0.80 | 0.00 | 0.00 | 0.00 |
| 13 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 |
| 14 | 1.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 0.00 | 0.87 | 0.20 | 0.00 | 0.00 | 0.00 |
| 15 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 |
| 16 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
| 17 | 0.00 | 0.35 | 0.00 | s0.13 | 0.00 | 0.05 | 0.14 | 0.00 | 0.00 | 0.00 | 0.24 | 0.00 |
| 18 | 0.00 | e1.26 | 0.00 | 0.00 | 0.00 | 0.11 | 0.00 | 0.30 | 0.00 | 0.00 | 0.11 | 0.00 |
| 19 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 0.16 | 0.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 21 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.69 | 0.45 | 0.14 | 0.00 | 0.00 |
| 22 | 0.00 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | 0.00 | 0.28 | 0.00 | 0.08 | 0.00 | 0.00 |
| 23 | 0.00 | e0.60 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.03 | 0.06 | 0.00 | 0.00 | 0.00 |
| 24 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.50 | 0.00 | 0.07 | 0.00 | 1.31 | 0.00 |
| 25 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.02 | 0.15 | 0.00 | 0.00 | 0.12 | 0.00 |
| 26 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.46 | 0.00 | 0.00 | 0.00 | 0.03 | 0.31 | 0.00 |
| 27 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.36 | 0.00 |
| 28 | 0.02 | 0.00 | 0.22 | 0.00 | 0.00 | 0.88 | 0.00 | 0.00 | 0.11 | 0.00 | 2.69 | 0.00 |
| 29 | 0.02 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.05 | 0.01 | 0.00 | 0.00 | 0.01 | 0.00 |
| 30 | 0.00 | 0.00 | 0.00 | 0.00 | -- | 0.00 | 0.19 | 1.56 | 0.00 | 0.16 | 0.00 | 0.00 |
| 31 | 0.00 | -- | 0.00 | 0.00 | -- | 0.00 | -- | 0.39 | -- | 0.00 | 0.00 | -- |
| TOTAL | 1.91 | 5.98 | 1.75 | 0.28 | 0.39 | 3.94 | 1.35 | 4.89 | 3.73 | 2.59 | 6.27 | 0.37 |
| 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 |