Station list     Available data
ILLINOIS RIVER BASIN


05540130       WEST BRANCH DU PAGE RIVER NEAR NAPERVILLE, IL



LOCATION.-- Lat 41°43'13", long 88°07'55", 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 1994-2000.
PRECIPITATION: May 1989 to current year.

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 630.00 ft above sea level. Water years 1989 to 1995 datum incorrectly published as 625.28 ft above sea level.

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.--
PRECIPITATION: Maximum, 5.34 in., August 4, 1998, but may have been greater during periods of missing record.

EXTREMES FOR CURRENT YEAR.--Maximum, 1.72 in., June 11, 2000.

PRECIPITATION, TOTAL, INCHES, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
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 0.00 0.02 0.00 0.27 0.08 0.00 0.14 0.00
2 .05 .00 .00 .03 .00 .00 .00 .00 .02 1.35 .11 .00
3 .73 .00 .39 .19 s.06 .00 .03 .00 .00 .37 .00 .00
4 .00 .00 1.04 .00 .00 .00 .00 .00 .11 .00 .00 .00
5 .00 .00 .71 .00 .00 .00 .00 .00 .47 .00 .36 .00
6 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .88 .00
7 .00 .00 .00 .00 s.12 .00 .34 .01 .00 .00 .01 .00
8 .00 .00 .00 .11 .00 .09 .01 1.12 .00 .00 .00 .00
9 .00 .00 .06 .26 s.13 .00 .00 .57 .00 .00 .00 .00
10 .00 .00 .00 .13 .00 .00 .16 .00 .03 1.64 .00 .02
11 .00 .00 .00 .00 .00 .00 .02 .23 1.72 .00 .00 1.42
12 .00 .00 .00 .00 .00 .00 .00 .72 .69 .00 .00 .04
13 .03 .00 .00 .00 .00 .05 .00 .00 .48 .00 .01 .00
14 .00 .00 .07 .00 .00 .01 .00 .00 .74 .00 .01 .20
15 .00 .00 .19 .00 .00 .21 .00 .00 .00 .00 .00 .00
16 .13 .00 .00 .00 .00 .01 1.30 .15 .09 .00 .00 .00
17 .00 .00 .00 .00 .00 .00 .00 .08 .00 .00 1.02 .00
18 .00 .00 .00 .00 s.01 .00 .00 .83 .00 .00 .00 .00
19 .00 .01 s.08 .00 .00 .32 .67 .00 .00 .00 .00 .00
20 .00 .00 .03 .00 s.08 .23 1.59 .00 .47 .00 .00 .56
21 .00 .00 .00 .00 s.30 .01 .29 .00 .00 .00 .00 .00
22 .00 .14 .00 .00 .00 .00 .00 .27 .00 .00 .00 .56
23 .00 .49 .00 .00 .01 .07 .17 .00 .14 .00 .11 .20
24 .00 .00 .00 .00 .56 .08 .01 .00 1.15 .00 .00 .19
25 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
26 .00 .04 .00 .00 .04 .15 .00 .07 .00 .00 .00 .00
27 .00 .00 .00 .00 .01 .05 .00 .93 .00 .00 .00 .00
28 .00 .00 .00 .00 .00 .00 .00 .06 .13 .00 .00 .00
29 .00 .00 .00 .00 .00 .00 .05 .00 .00 .00 .00 .00
30 .00 .00 .00 .00 -- .00 .00 .05 .01 1.06 .00 .00
31 .00 -- .00 .00 -- .00 -- 1.12 -- .35 .00 --

TOTAL 0.94 0.68 2.57 0.72 1.32 1.30 4.64 6.48 6.33 4.77 2.65 3.19
s Snowfall-affected precipitation


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data