LOCATION.-- Latitude 41°51'31", longitude 88°14'36" (NAD of 1927), in NW1/4SW1/4SW1/4 sec.17, T.39 N., R.9 E., Du Page County, Hydrologic Unit 07120004, on McChesney Road 0.5 mi north of Eola Road, and at the National Accelerator Lab near West Chicago. | |
PERIOD OF RECORD.-- | |
PRECIPITATION: April 1989 to October 1995 and July 1997 to current year. | |
GAGE.-- An 8-in.-diameter, unheated, tipping-bucket rain gage. | |
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. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
PRECIPITATION: Maximum daily total, 5.09 in., July 9, 2002. | |
EXTREMES FOR CURRENT YEAR.--Maximum daily total, 1.43 in., May 19. |
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PRECIPITATION, TOTAL, IN INCHES, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY SUM VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 0.41 | 1.01 | 0.00 | 0.38 | 0.00 | s0.01 | 0.34 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2 | .01 | .01 | s.11 | .19 | .00 | .00 | .02 | .00 | .00 | .00 | .00 | .00 |
| 3 | .00 | .00 | .00 | .35 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 4 | .00 | .00 | .17 | .00 | .00 | .00 | .00 | .00 | .37 | .21 | .00 | .00 |
| 5 | .00 | .00 | .08 | .00 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 |
| 6 | .00 | .00 | .12 | .00 | .15 | .05 | .07 | .00 | .00 | .00 | .00 | .00 |
| 7 | .00 | .00 | .84 | .00 | .20 | .03 | .05 | .12 | .00 | .00 | .00 | .00 |
| 8 | 1.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 9 | .00 | .00 | .00 | s.03 | .00 | .00 | .00 | .14 | .00 | .00 | .01 | .00 |
| 10 | .00 | .01 | .03 | s.10 | .00 | s.05 | .00 | .00 | .00 | .00 | .07 | .00 |
| 11 | .00 | .00 | .00 | s.29 | .00 | .00 | .00 | .30 | .00 | .00 | .18 | .00 |
| 12 | .00 | .00 | .01 | .85 | s.03 | .00 | .96 | .19 | .00 | .00 | .30 | .00 |
| 13 | .00 | .00 | .00 | s.42 | .60 | .00 | .00 | .35 | .00 | .00 | .03 | .02 |
| 14 | .11 | .00 | .00 | .00 | .18 | .00 | .00 | .02 | .00 | .00 | .00 | .22 |
| 15 | .04 | .07 | .00 | .00 | .12 | .00 | .00 | .00 | .00 | .00 | .00 | .31 |
| 16 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 17 | .00 | .00 | .00 | .00 | .00 | s.01 | .00 | .00 | .00 | .00 | .00 | .00 |
| 18 | .00 | .00 | .00 | .00 | .00 | .04 | .00 | .04 | .00 | .00 | .46 | .00 |
| 19 | .00 | .00 | .00 | s.02 | .00 | .06 | .00 | 1.43 | .00 | .00 | .00 | .30 |
| 20 | .00 | .01 | .00 | .00 | s.23 | .00 | .00 | .00 | .00 | .84 | 1.37 | .00 |
| 21 | .00 | .00 | .00 | .00 | s.01 | .00 | .03 | .00 | .00 | .00 | .00 | .00 |
| 22 | .06 | .00 | .00 | .00 | .00 | .00 | .69 | .00 | .00 | .00 | .00 | .12 |
| 23 | .98 | .01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 24 | .00 | s.17 | .00 | .00 | .00 | .00 | .01 | .00 | .00 | .00 | .00 | .12 |
| 25 | .00 | s.04 | .00 | s.24 | .00 | s.06 | .00 | .00 | .00 | .08 | .00 | .10 |
| 26 | .01 | s.49 | .00 | .00 | .00 | .00 | .02 | .00 | .00 | .70 | .00 | .05 |
| 27 | .00 | .69 | .00 | .00 | .20 | .00 | .01 | .03 | .00 | .00 | .00 | .00 |
| 28 | .00 | .00 | .00 | .00 | s.14 | .00 | .00 | .00 | .00 | .00 | .00 | .37 |
| 29 | .25 | s.09 | .00 | .00 | -- | .00 | .00 | .00 | .01 | .00 | .00 | .00 |
| 30 | .19 | .14 | .02 | .00 | -- | .26 | .00 | .00 | .03 | .00 | .00 | .00 |
| 31 | .00 | -- | .00 | .02 | -- | .01 | -- | .00 | -- | .00 | .00 | -- |
| TOTAL | 3.16 | 2.74 | 1.38 | 2.89 | 1.86 | 0.59 | 2.20 | 2.62 | 0.41 | 1.83 | 2.42 | 1.61 |
| MEAN | 0.10 | 0.09 | 0.04 | 0.09 | 0.07 | 0.02 | 0.07 | 0.08 | 0.01 | 0.06 | 0.08 | 0.05 |
| MAX | 1.10 | 1.01 | 0.84 | 0.85 | 0.60 | 0.26 | 0.96 | 1.43 | 0.37 | 0.84 | 1.37 | 0.37 |
| s Snowfall-affected precipitation |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |