Station list     Available data
ILLINOIS RIVER BASIN


05531410                         SALT CREEK AT 22ND STREET AT OAK BROOK, IL



LOCATION.--Latitude 41°50'50", longitude 87°56'10", in SE1/4SW1/4 sec. 24, T.39N., R.11 E., DuPage County, on left bank at downstream side of bridge on 22nd Street in Oak Brook and at mile 14.9.

PERIOD OF RECORD.--October 1995 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, 3.27 in., September 7, 1998, but may have been greater during periods of missing record.

MAXIMUM FOR CURRENT YEAR.--Maximum, 3.16 in., October 17, 1998.
RAINFALL, IN INCHES, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 0.00 0.01 0.00 0.00 e0.03 0.00 0.00 0.00 1.28 0.56 0.01 0.00
2 .40 .00 .00 .00 e.16 .13 .00 .00 .05 .00 .00 .00
3 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
4 .00 .11 .00 .00 .00 .00 .14 .02 .00 .00 .00 .00
5 .33 .00 .00 .00 e.04 .00 .04 .06 .00 .00 .00 .00
6 .11 .00 .76 .00 .00 s.03 .04 .23 .05 .00 .00 .00
7 .00 .00 .00 .00 .00 s.03 .00 .01 .01 .00 .21 .00
8 .00 .05 .00 .00 .00 .00 1.46 .01 .00 .00 .00 .00
9 .00 .47 .00 .00 .00 s.01 .07 .00 .00 .23 .03 .00
10 .00 .62 .00 .00 .00 s.38 .14 .00 .17 .00 .00 .00
11 .00 .00 .00 .00 e.34 s.18 .00 1.36 .61 .00 .00 .00
12 .00 .00 .00 .00 .00 .00 .00 .23 .24 .00 .35 .17
13 .01 .00 .00 .00 .00 .00 .00 .00 1.44 .00 .08 .00
14 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
15 .02 .00 .00 .00 .00 .00 .80 .00 .00 .00 .00 .00
16 .00 .00 .00 e.30 .05 .00 .32 .00 .00 .00 .00 .00
17 3.16 .00 .00 e.42 .00 .00 .00 .71 .00 .61 .00 .00
18 .17 .00 .00 .00 .00 .00 .07 .07 .00 .00 .10 .00
19 .00 .00 .00 .00 .00 .00 .00 .00 .00 .15 .62 .06
20 .00 .00 .00 .00 .00 .00 .15 .00 .00 .04 .00 .00
21 .00 .00 .00 e.75 .00 .00 .03 1.03 .00 .51 .00 .06
22 .00 .00 .00 e.44 .00 .00 1.45 .03 .51 .00 .00 .00
23 .00 .00 .00 e.78 .00 .00 .44 .41 .20 .02 .38 .00
24 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .56 .00
25 .00 .02 .00 .00 s.14 .00 .00 .00 .00 .00 .49 .00
26 .00 .00 .00 .00 .18 .00 .00 .00 .00 .00 .00 .00
27 .37 .00 .00 .00 .11 .00 1.18 .00 .04 .00 .00 .65
28 .01 .00 .00 .00 .06 .00 .04 .00 .14 .00 .00 1.72
29 .14 .00 s.01 .00 -- .00 .00 .00 .01 .00 .00 .14
30 .01 .36 s.01 .00 -- .00 .00 .00 .00 .00 .00 .00
31 .00 -- .00 .00 -- .00 -- .12 -- .00 .00 --

TOTAL 4.73 1.64 0.78 2.69 1.11 0.76 6.37 4.29 4.76 2.12 2.83 2.80
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data