Station list     Available data
ILLINOIS RIVER BASIN


415457088150600                         DU PAGE COUNTY AIRPORT NEAR ST CHARLES, IL



LOCATION.--Latitude 41°54'57", longitude 88°15'06", in NW1/4SW1/4SE1/4 sec. 30, T.40N., R.9 E., Du Page County.

PERIOD OF RECORD.--February 20, 1986 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.

MAXIMUM FOR PERIOD OF RECORD.--Maximum recorded, 4.26 in., August 14, 1987 but may have been greater during periods of missing record.

MAXIMUM FOR WATER YEAR 1998.--Maximum, 2.19 in., July 3, 1998.
RAINFALL, IN INCHES, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY TOTAL VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 0.00 0.03 0.00 s0.17 0.01 0.00 0.22 0.00 0.04 0.00 0.00 0.00
2 .00 .01 .00 s.17 .00 .00 .00 .11 .00 .00 .00 .00
3 .00 .08 .13 .37 .00 s.01 .00 .08 .08 2.19 .09 .04
4 .21 .00 .01 .43 .00 s.25 .00 .01 .00 .01 1.11 .00
5 .00 .09 .00 .43 .00 s.01 .00 .15 .07 .00 .95 .00
6 .00 .17 .00 .47 .00 .01 .00 .21 .01 .00 .01 .32
7 .00 .00 .00 .02 .00 .01 .68 1.68 .00 .17 .28 1.25
8 .00 .00 .00 s.15 .00 .67 .30 .06 .08 .00 .00 .00
9 .16 .00 s.08 s.01 .00 s.11 .04 .00 .57 .00 .00 .00
10 .00 .00 s.25 .00 .01 s.03 .00 .00 .00 .00 .00 .00
11 .00 s.01 .00 .00 .81 .00 .00 .00 1.13 .00 .00 .00
12 .00 .00 .00 .00 .00 .00 .00 .06 .00 .00 .00 .00
13 .75 .00 .00 .00 .00 s.07 .17 .00 .00 .00 .00 .00
14 .00 .00 .00 .00 .00 .00 .00 .00 .05 .00 .01 .66
15 .00 s.03 .00 s.01 .00 .00 .27 .01 .00 .00 .00 .05
16 .00 s.01 .00 .00 .19 s.02 .08 .00 .02 .00 .00 .00
17 .00 s.05 .00 .00 .04 .42 .00 .00 .00 .00 .00 .00
18 .00 .00 .00 .00 .00 .28 .00 .00 .61 .00 .00 .00
19 .00 .00 .00 .00 .00 .03 .00 .00 .00 .36 .00 .00
20 .00 .00 .00 s.01 .01 .00 .47 .01 .00 .00 .00 .02
21 .00 .00 .00 .00 .02 .00 .11 .00 .00 .03 .00 .00
22 .00 .00 .06 .00 .00 .00 .00 .00 .00 .09 .01 .00
23 .01 .00 .00 .00 .00 .00 .00 .18 .00 .00 .00 .00
24 .19 .00 s.01 s.03 .14 .00 .00 .09 .00 .00 .36 .00
25 .00 .00 s.07 .00 .00 .00 .25 .00 .00 .00 1.43 .07
26 .70 .00 .00 s.18 .01 .00 .22 .00 .97 .00 .00 .01
27 s.11 .28 s.01 s.07 .17 .01 .00 .00 .00 .00 .00 .00
28 .00 .01 .00 s.02 .00 .15 .02 .52 .43 .00 .55 .00
29 .00 .21 s.02 s.02 -- .00 .30 .06 .09 .00 .00 .14
30 .00 .03 .00 .00 -- .01 .00 .00 .00 .00 .00 .31
31 .00 -- .00 .00 -- .94 -- .00 -- .00 .00 --

TOTAL 2.13 1.01 0.64 2.56 1.41 3.03 3.13 3.23 4.15 2.85 4.80 2.87
s Snowfall-affected precipitation


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data