Station list     Available data
ILLINOIS RIVER BASIN


415737088031100                         SPRING CREEK RESERVOIR NEAR BLOOMINGDALE, IL



LOCATION.--Latitude 41°57'37", longitude 88°03'11", in SE1/4NE1/4NE1/4 sec.14, R.10 E., T.40 N., Du Page County.

PERIOD OF RECORD.--July 1997 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, 2.72 in., estimated, October 17, 1998

MAXIMUM FOR CURRENT YEAR.--Maximum, 2.72 in., estimated, 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 0.00 0.00 0.00 0.06 0.00 0.00 0.00 1.41 e0.65 0.00 0.00
2 e.49 .00 .00 .00 .15 .17 .00 .00 .00 .00 .00 .00
3 e.02 .00 .00 .00 .01 .00 .01 .00 .00 e.02 .00 .00
4 .00 .00 .00 .00 .00 .00 .10 .01 .00 .00 .00 .00
5 e.76 .00 .00 .00 .12 .00 .00 .04 .00 .00 .00 .00
6 e.07 .00 .93 .00 .00 .00 .00 .39 .00 .00 .00 .00
7 .00 .00 .00 .00 .00 s.03 .00 .04 .00 .00 e.15 .00
8 .00 .07 .00 .00 .00 s.03 1.34 .00 .00 .00 .00 .00
9 .00 .33 .00 .00 .00 s.01 .01 .00 .00 e.61 e.03 .00
10 .00 e.87 .00 .00 .00 s.27 .14 .00 e.05 .00 .00 .00
11 .00 .00 .00 .00 .66 .00 .02 .91 e.98 .00 .00 .00
12 .00 .00 .00 .00 .00 .00 .00 .72 e.23 .00 e.37 .43
13 .00 .00 .00 .00 .00 .00 .00 .00 e1.35 .00 e.09 .00
14 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
15 e.07 .00 .00 .00 .00 .00 .81 .01 .00 .00 .00 .00
16 e.04 .00 .00 e.20 .07 .00 .36 .00 .00 .00 .00 .00
17 e2.72 .00 .00 e.38 .00 .00 .00 .69 .00 e.07 .00 .00
18 e.19 .00 .00 .00 .00 .00 .11 .00 .00 .00 e.15 .00
19 .00 .00 .00 .00 .00 .00 .01 .00 .00 e.06 e.50 .02
20 .00 .00 .00 .00 .00 .00 .22 .00 .00 e.30 .00 .00
21 .00 .00 .00 e.59 .00 .00 .31 1.27 .00 e.39 .00 .04
22 .00 .00 .00 e.51 .00 .00 1.63 .04 e.09 .00 .00 .00
23 .00 .00 .00 e.79 .00 .00 .58 .17 e.06 e.32 .84 .00
24 .00 .00 .00 e.01 .00 .00 .00 .00 .00 .00 .15 .00
25 .00 .00 .00 .00 s.14 .00 .00 .00 .00 .00 .60 .00
26 .00 .00 .00 .00 .39 .00 .00 .00 .00 e.05 .00 .00
27 .46 .00 .00 .00 .19 .00 1.02 .00 e1.00 .00 .00 .52
28 .03 .00 .00 .00 .06 .00 .00 .00 e.02 .00 .00 e1.90
29 .01 .00 .00 .00 -- .00 .00 .00 .00 .00 .00 .10
30 .00 .39 .00 .00 -- .00 .00 .00 .00 .00 .00 .00
31 .00 -- .00 .00 -- .00 -- .02 -- .00 .00 --

TOTAL 4.86 1.66 0.93 2.48 1.85 0.51 6.67 4.31 5.19 2.47 2.88 3.01
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data