Station list     Available data
ILLINOIS RIVER BASIN


415037087581700       OAK BROOK LIFT STATION AT OAK BROOK, IL



LOCATION.-- Latitude 41°50'37", longitude 87°58'17", in SW1/4NE1/4NW1/4 sec.27, T.39 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on Midwest Road 50 ft north of U.S. Highway 88, and located on the roof of the Oakbrook Lift Station, at Oak Brook.

PERIOD OF RECORD.--
PRECIPITATION: July 1997 to current year.

GAGE.-- A 6-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.

EXTREMES FOR PERIOD OF RECORD.--
PRECIPITATION: Maximum, 2.90 in, October 17, 1998.

EXTREMES FOR CURRENT YEAR.--Maximum recorded, 2.68 in., September 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 0.10 0.14 0.00 0.07 0.00
2 .01 .00 .00 .01 .00 .00 .00 .00 .00 .52 .13 .00
3 .66 .00 .12 .17 s.01 .00 .00 .00 .00 1.01 .00 .00
4 .00 .00 .80 .00 .00 .00 .00 .00 .03 .00 .00 .00
5 .00 .00 .69 .00 .00 .00 .00 .00 .18 .00 .31 .00
6 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .53 .00
7 .00 .00 .00 .00 .00 .00 .32 .00 .00 .00 .01 .00
8 .00 .00 .00 .02 .00 .04 .02 1.03 .00 .00 .00 .02
9 .00 .00 .03 .14 .00 .00 .00 .96 .00 .00 .00 .00
10 .00 .00 .00 .13 .00 .00 .05 .00 .00 1.09 .00 .04
11 .00 .00 .00 .00 .00 .00 .01 .33 .90 .00 .00 2.68
12 .00 .00 .00 .00 .00 .00 .00 .55 .65 .00 .00 .07
13 .02 .00 .00 .00 .00 .02 .00 .00 .28 .00 .00 .00
14 .00 .00 .03 .00 .00 .00 .00 .00 1.01 .00 .00 .40
15 .00 .00 .09 .00 .00 .49 .00 .00 .00 .00 .00 .00
16 .14 .00 .01 .00 .00 .00 e.83 .21 .05 .00 .00 .00
17 .00 .00 s.02 .00 .00 .00 .00 .00 .00 .00 .54 .00
18 .00 .00 .00 .00 s.16 .00 .00 .78 .00 .01 .00 .00
19 .00 .02 .00 s.09 s.06 .12 .65 .01 .00 .01 .00 .00
20 .00 .00 .03 .00 .00 .32 1.97 .00 .29 .00 .00 .38
21 .00 .00 .00 .00 .00 .01 .32 .00 .00 .00 .00 .00
22 .00 .02 .00 .00 .00 .00 .00 .03 .00 .00 .00 .87
23 .00 .54 .00 .00 .00 .00 .19 .00 .13 .00 .00 .09
24 .00 .00 .00 .00 .37 .08 .00 .00 1.18 .00 .00 .18
25 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
26 .00 .02 .00 .00 .06 .13 .00 .04 .00 .00 .00 .00
27 .00 .00 .00 .00 .00 .01 .00 .81 .00 .00 .00 .00
28 .00 .00 .00 .00 .00 .01 .00 .22 .09 .06 .00 .00
29 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
30 .00 .00 .00 s.12 -- .00 .00 .07 .00 1.38 .00 .00
31 .00 -- .00 .00 -- .00 -- .61 -- .44 .00 --

TOTAL 0.83 0.60 1.82 0.68 0.66 1.25 4.36 5.75 4.93 4.52 1.59 4.73
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data