Station list     Available data
ILLINOIS RIVER BASIN


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



LOCATION.-- Lat 41°50'50", long 87°56'13", in SE1/4SW1/4 sec.24, T.39 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on left bank at downstream side of bridge on 22nd Street in Oak Brook and at mile 14.9.

DRAINAGE AREA.-- 103 mi2.

PERIOD OF RECORD.--
STAGE: June 1994 to current year.
PRECIPITATION: October 1995 to current year.

GAGE.-- Water-stage recorder and an 8-in.-diameter, unheated, tipping-bucket rain gage. Datum of gage is 600.00 ft above sea level.

REMARKS.-- Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation.

EXTREMES FOR PERIOD OF RECORD.--
STAGE: Maximum gage height, 55.03 ft, Feb. 21, 1997; minimum, 46.76 ft, Sept. 27, 28, 1995.
PRECIPITATION: Maximum daily total, 3.38 in., September 11, 2000, but may have been greater during periods of missing record.

EXTREMES FOR CURRENT YEAR.--Maximum daily total, 1.73 in., August 2, but may have been greater during period of missing record.

PRECIPITATION, TOTAL, INCHES, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY SUM VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 .00 .00 .03 .00 --- .00 .01 .00 .14 .00 .00 .00
2 .00 .17 .00 .00 --- .00 .00 .00 .00 .00 1.73 .00
3 .98 .00 .00 .00 .00 .00 .00 .00 .00 .60 .00 .00
4 .33 .00 .00 .00 .01 .00 .00 .00 .00 .00 .00 .00
5 .11 .00 .00 .00 .00 .00 .34 .02 .72 .00 .00 .00
6 .01 .93 .00 .00 .04 .00 .79 .34 .00 .00 .00 .81
7 .08 .01 .00 .00 .00 .00 .01 .08 .00 .25 .00 .00
8 .01 .09 .00 .01 .78 .00 .00 .01 .00 .00 .00 .00
9 .00 1.03 .00 .00 --- .00 .11 .00 .00 .00 .50 .48
10 .00 .00 .06 .00 --- .03 .00 .25 .00 .00 .00 .00
11 .00 .00 .00 --- .00 .06 .38 .26 .11 .00 .00 .00
12 .00 .02 .00 --- .03 .18 .00 .00 .49 .00 .00 .00
13 .00 .23 .00 --- .02 .00 .00 .00 .00 .00 .25 .00
14 .02 .00 .01 --- .24 .02 .00 .04 .00 .00 .00 .00
15 .01 .00 .00 --- .00 .42 .52 .00 .02 .00 .10 .00
16 .00 .01 .28 --- .01 .08 .01 .02 .00 .00 .52 .00
17 .00 .00 .00 --- .00 .39 .03 .04 .01 .02 .00 .05
18 .00 .00 .00 --- .00 .00 .00 .00 .16 .02 .20 .84
19 .00 .01 .00 --- .00 .00 .00 .00 .00 .00 .16 .62
20 .00 .00 .00 --- .00 .00 .31 .04 .00 .00 .00 .91
21 .00 .00 .00 --- .00 .00 .69 .16 .22 .14 .10 .04
22 .00 .00 .00 --- .00 .00 .14 .15 .01 .06 .05 .00
23 .03 .00 .00 --- .00 .00 .20 .08 .00 .62 .01 1.07
24 .05 .00 .00 --- 1.06 .00 .00 .01 .00 .16 .46 .00
25 .00 .23 .00 --- .00 .00 .00 .50 .00 .53 1.27 .00
26 .08 .16 .00 --- .00 .00 .00 .94 .00 .00 .00 .00
27 .00 .00 .00 --- .00 .00 .00 .62 .00 .00 .00 .00
28 .00 .00 .00 --- .00 .00 .00 .01 .00 .00 .00 .00
29 .00 .07 .00 --- --- .00 .00 .00 .00 .00 .00 .00
30 .00 .00 .00 --- --- .00 .00 .00 .00 .00 .38 .00
31 .00 --- .00 --- --- .06 --- .51 --- .00 .16 ---

TOTAL 1.71 2.96 0.38 --- --- 1.24 3.54 4.08 1.88 2.40 5.89 4.82
MEAN .06 .10 .01 --- --- .04 .12 .13 .06 .08 .19 .16
MAX .98 1.03 .28 --- --- .42 .79 .94 .72 .62 1.73 1.07



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data