LOCATION.-- Lat 41°43'13", long 88°07'55" (NAD of 1927), in SW1/4NE1/4 sec.6, T.37 N., R.10 E., Will County, Hydrologic Unit 07120004, on downstream side of bridge on Washington Street, 3.5 mi southeast of Naperville, and at mile 29.3. | |
DRAINAGE AREA.-- 123 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1988 to current year. | |
STAGE: Water years 1994 to current year. | |
PRECIPITATION: May 1989 to current year. | |
GAGE.-- Water-stage recorder, phone telemeter, unheated tipping-bucket rain gage, and crest-stage gage. Datum of gage is 630.00 ft above NGVD of 1929. Water years 1989 to 1995 datum incorrectly published as 625.28 ft above NGVD of 1929. | |
REMARKS.-- For precipitation records, 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.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 6,620 ft3/s, July 18, 1996, gage height, 14.31 ft; minimum discharge, 4.0 ft3/s, August 29, 2002. | |
PRECIPITATION: Maximum daily total, 5.34 in., August 4, 1998. | |
EXTREMES FOR CURRENT YEAR.--Maximum daily total, 2.84 in., August 28. |
PRECIPITATION, TOTAL, IN INCHES, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY SUM VALUES | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 0.00 | 0.06 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 |
2 | 0.02 | 0.95 | 0.00 | 0.01 | -- | -- | -- | -- | -- | -- | -- | 0.00 |
3 | 0.17 | 0.86 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 |
4 | 0.00 | 1.56 | 0.40 | 0.05 | -- | -- | -- | -- | -- | -- | -- | 0.00 |
5 | 0.00 | 0.00 | 0.27 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 |
6 | 0.10 | 0.00 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.03 |
7 | 0.00 | 0.00 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 |
8 | 0.00 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 |
9 | 0.00 | 0.00 | 0.44 | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 |
10 | 0.00 | 0.00 | 0.75 | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 |
11 | 0.01 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
12 | 0.60 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
13 | 0.23 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
14 | 0.85 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
15 | 0.00 | 0.01 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.26 |
16 | 0.01 | 0.09 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.01 |
17 | 0.00 | 0.39 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.10 | 0.00 |
18 | 0.00 | 1.49 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.16 | 0.00 |
19 | 0.00 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
20 | 0.00 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
21 | 0.00 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
22 | 0.00 | 0.00 | 0.02 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
23 | 0.00 | 0.55 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
24 | 0.09 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.80 | 0.00 |
25 | 0.49 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.19 | 0.00 |
26 | 0.00 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.28 | 0.00 |
27 | 0.01 | 0.01 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.56 | 0.00 |
28 | 0.02 | 0.00 | 0.18 | -- | -- | -- | -- | -- | -- | -- | 2.84 | 0.00 |
29 | 0.00 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
30 | 0.00 | 0.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
31 | 0.00 | -- | 0.00 | -- | -- | -- | -- | -- | -- | -- | 0.00 | -- |
TOTAL | 2.60 | 5.97 | 2.06 | -- | -- | -- | -- | -- | -- | -- | -- | 0.30 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |