LOCATION.-- Latitude 41°44'11", longitude 87°57'50" (NAD of 1927), in NE1/4NE1/4SW1/4 sec. 34, T.38 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on Nantucket Road 0.6 mi east of Frontage Road, and located at the Marienbrook Wastewater treatment Facility at Darien. | |
PERIOD OF RECORD.-- | |
PRECIPITATION: October 1990 to October 1991 and July 1997 to current year. | |
GAGE.-- A 6-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, 3.16 in., November 27, 1990. | |
EXTREMES FOR CURRENT YEAR.--Maximum daily total, 2.45 in., October 13. |
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PRECIPITATION, TOTAL, IN INCHES, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY SUM VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.21 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2 | .00 | .00 | .02 | .00 | .00 | .17 | .20 | .03 | .00 | .00 | .04 | .08 |
| 3 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .09 | .00 | .00 | .00 |
| 4 | .89 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .83 | .55 | 1.50 | .00 |
| 5 | .49 | .00 | .02 | .00 | .00 | .02 | .00 | .00 | .00 | .00 | .00 | .00 |
| 6 | .00 | .00 | .00 | .00 | .00 | .22 | .00 | .22 | .00 | .00 | .00 | .00 |
| 7 | .00 | .00 | .00 | .00 | .00 | .00 | .32 | .00 | .00 | .00 | .00 | .00 |
| 8 | .00 | .00 | .00 | .00 | .00 | .25 | .95 | .10 | .00 | .02 | .00 | .44 |
| 9 | .00 | .00 | .00 | .00 | .00 | .29 | .10 | .36 | .00 | 1.26 | .00 | .00 |
| 10 | .04 | .00 | .00 | .00 | .04 | .00 | .00 | .00 | .28 | .00 | .00 | .03 |
| 11 | .01 | .00 | .00 | .00 | .00 | .00 | .00 | 2.28 | .32 | .00 | .00 | .00 |
| 12 | .61 | .00 | .25 | .00 | .00 | .00 | .04 | .65 | .00 | .00 | .00 | .00 |
| 13 | 2.45 | .02 | .02 | .00 | .00 | .00 | .00 | .00 | .28 | .00 | .38 | .00 |
| 14 | .06 | .16 | .17 | .03 | .00 | .00 | .00 | .00 | .17 | .00 | .00 | .00 |
| 15 | .05 | .00 | .00 | .01 | .00 | .04 | .00 | .00 | .00 | .00 | .00 | .00 |
| 16 | .04 | .00 | .08 | .00 | .00 | .00 | .00 | .51 | .00 | .00 | .06 | .00 |
| 17 | .00 | .00 | .09 | .00 | .00 | .00 | .15 | .00 | .00 | .00 | .00 | .00 |
| 18 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .51 |
| 19 | .00 | .07 | .12 | .02 | .37 | .02 | .43 | .00 | .00 | .00 | .18 | .25 |
| 20 | .00 | .00 | .00 | .00 | .16 | .04 | .29 | .00 | .00 | .00 | .00 | .19 |
| 21 | .00 | .00 | .00 | .01 | .00 | .00 | .31 | .00 | .00 | .00 | .00 | .00 |
| 22 | .12 | .00 | .10 | .02 | .00 | .00 | .00 | .00 | .00 | .00 | 1.59 | .17 |
| 23 | .75 | .00 | .00 | .00 | .01 | .00 | .00 | .12 | .00 | .00 | .62 | .00 |
| 24 | .54 | .11 | .00 | .00 | .00 | .00 | .35 | .02 | .00 | .00 | .00 | .00 |
| 25 | .00 | .00 | .00 | .00 | .00 | .02 | .00 | .19 | .14 | .00 | .00 | .00 |
| 26 | .00 | .07 | .00 | .00 | .00 | .02 | .00 | .00 | .00 | .00 | .00 | .00 |
| 27 | .00 | .00 | .00 | .00 | s.02 | .00 | .52 | .00 | .00 | .27 | .00 | .00 |
| 28 | .00 | .12 | .00 | .00 | .00 | .00 | .03 | .02 | .00 | .00 | .00 | .00 |
| 29 | .00 | .14 | .00 | .00 | -- | .39 | .00 | .00 | .00 | .03 | .00 | .23 |
| 30 | .01 | .26 | .00 | .04 | -- | .01 | .00 | .00 | .00 | .00 | .00 | .00 |
| 31 | .00 | -- | .00 | .32 | -- | .02 | -- | .00 | -- | .00 | .00 | -- |
| TOTAL | 6.06 | 0.96 | 0.87 | 0.45 | 0.68 | 1.51 | 3.90 | 4.62 | 2.11 | 2.13 | 4.37 | 1.90 |
| s Snowfall-affected precipitation |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |