Station list     Available data
ILLINOIS RIVER BASIN


415356087575000                         ELMHURST QUARRY AT ELMHURST, IL



LOCATION.--Latitude 41°53'56", longitude 87°57'50", in SE1/4SW1/4NE sec.3, T.39 N., R.11 E., Du Page County.

PERIOD OF RECORD.--July 18, 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, 2.67 in., September 7, 1998.

MAXIMUM FOR WATER YEAR 1997.--Maximum, 2.35 in., estimated, August 16, 1997.

MAXIMUM FOR WATER YEAR 1998.--Maximum, 2.67 in., September 7, 1998.
RAINFALL, IN INCHES, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY TOTAL VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 -- -- -- -- -- -- -- -- -- -- 0.00 0.00
2 -- -- -- -- -- -- -- -- -- -- .00 .00
3 -- -- -- -- -- -- -- -- -- -- e.57 .00
4 -- -- -- -- -- -- -- -- -- -- e.21 .00
5 -- -- -- -- -- -- -- -- -- -- .00 .00
6 -- -- -- -- -- -- -- -- -- -- .00 .00
7 -- -- -- -- -- -- -- -- -- -- .00 .00
8 -- -- -- -- -- -- -- -- -- -- .00 .04
9 -- -- -- -- -- -- -- -- -- -- .00 .03
10 -- -- -- -- -- -- -- -- -- -- .09 .00
11 -- -- -- -- -- -- -- -- -- -- .90 .00
12 -- -- -- -- -- -- -- -- -- -- e1.64 .00
13 -- -- -- -- -- -- -- -- -- -- .00 .00
14 -- -- -- -- -- -- -- -- -- -- .00 .00
15 -- -- -- -- -- -- -- -- -- -- e.57 .00
16 -- -- -- -- -- -- -- -- -- -- e2.35 .75
17 -- -- -- -- -- -- -- -- -- -- e1.41 .30
18 -- -- -- -- -- -- -- -- -- .84 e.00 .00
19 -- -- -- -- -- -- -- -- -- .00 .00 .49
20 -- -- -- -- -- -- -- -- -- .00 .00 .00
21 -- -- -- -- -- -- -- -- -- .00 .00 .00
22 -- -- -- -- -- -- -- -- -- .07 .00 .03
23 -- -- -- -- -- -- -- -- -- .00 e.06 .05
24 -- -- -- -- -- -- -- -- -- .00 .00 .00
25 -- -- -- -- -- -- -- -- -- .00 .00 .00
26 -- -- -- -- -- -- -- -- -- .04 .00 .00
27 -- -- -- -- -- -- -- -- -- .00 .00 .00
28 -- -- -- -- -- -- -- -- -- .00 .00 .00
29 -- -- -- -- -- -- -- -- -- .00 .00 .00
30 -- -- -- -- -- -- -- -- -- .00 .01 .00
31 -- -- -- -- -- -- -- -- -- .00 .00 --

TOTAL -- -- -- -- -- -- -- -- -- -- 7.81 1.69
e Estimated
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 e0.04 s0.25 e0.11 0.00 0.07 0.00 0.00 0.00 0.00 0.00
2 .00 .00 .00 s.01 .00 .00 .00 .00 .00 .00 .00 .00
3 .00 .03 .07 .32 .00 s.02 .00 .02 .04 e1.29 .33 .04
4 .15 .00 .00 .20 .00 s.10 .00 .02 .00 .00 1.25 .00
5 .00 .11 .00 .23 .00 .00 .00 .07 .07 .00 2.29 .00
6 .00 .18 .00 .24 .00 .01 .00 .13 .02 .00 .22 .18
7 .00 .00 .00 .08 .00 .00 .73 e2.22 .00 .16 .14 2.67
8 .00 .00 .00 s.42 .00 .75 .29 e.07 .09 .00 .04 .00
9 e.15 .00 s.12 .00 .00 s.20 .03 .00 .59 .00 .00 .00
10 .00 s.01 s.45 .00 .05 .00 .00 .00 .00 .00 .00 .00
11 .00 .00 s.02 .00 .65 .00 .00 .00 1.50 .00 .00 .00
12 .00 .00 .00 .00 .00 .00 .00 e.02 .00 .00 .00 .00
13 .48 .00 .00 .00 .00 s.10 .26 e.02 .00 .00 .00 .00
14 .00 s.06 s.02 .00 .00 .00 .00 .00 .00 .00 .00 .49
15 .00 .00 .00 .00 .00 .00 .20 .00 .00 .00 .00 .02
16 .00 .00 .00 .00 e.45 .00 .48 .00 .30 .00 .00 .00
17 .00 s.02 .00 .00 .23 .50 .00 .00 .00 .00 .00 .00
18 .00 s.18 .00 .00 .01 .30 .00 .00 .91 .00 .00 .00
19 .00 .00 .00 .00 .00 .07 .00 .00 .01 .41 .00 .00
20 .00 s.02 .00 .00 .02 .00 .50 .00 .00 .00 .00 .04
21 .00 .00 .00 .00 .00 .00 .03 .00 .00 .01 .00 .00
22 .00 .00 .11 .00 .00 .00 .00 .00 .00 .15 .02 .00
23 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
24 .18 .00 s.10 .00 .07 .00 .00 e.61 .00 .00 .37 .00
25 .00 .00 s.23 .00 .00 .00 .03 e.00 .00 .00 1.34 .03
26 .98 .00 .00 s.28 .00 .00 .30 .00 e.56 .00 .00 .00
27 s.26 .24 .00 s.09 .10 .00 .00 .00 e.00 .00 .00 .00
28 s.08 e.02 .00 s.10 .00 .12 .05 .30 e.36 .00 .44 .00
29 .00 e.18 .00 s.04 -- .00 .25 .03 e.09 .00 .00 .07
30 .00 e.01 .00 .00 -- e.04 .00 .00 .00 .00 .00 .34
31 .00 -- .00 .00 -- e.90 -- .00 -- .00 .00 --

TOTAL 2.28 1.09 1.16 2.26 1.69 3.11 3.22 3.51 4.54 2.02 6.44 3.88
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data