Station list     Available data
ILLINOIS RIVER BASIN


415518087583000                         ADDISON WASTEWATER TREATMENT FACILITY AT ADDISON, IL



LOCATION.--Latitude 41°55'18", longitude 87°58'30", in SE1/4SW1/4SW1/4 sec. 27, T.40 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, 2.64 in., August 5, 1998.

MAXIMUM FOR WATER YEAR 1997.--Maximum recorded, 1.17 in., July 18, 1997.

MAXIMUM FOR WATER YEAR 1998.--Maximum, 2.64 in., August 5, 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.34 .00
4 -- -- -- -- -- -- -- -- -- -- e.19 .00
5 -- -- -- -- -- -- -- -- -- -- .00 .00
6 -- -- -- -- -- -- -- -- -- -- .00 .00
7 -- -- -- -- -- -- -- -- -- -- .00 .00
8 -- -- -- -- -- -- -- -- -- -- .00 e.03
9 -- -- -- -- -- -- -- -- -- -- .00 .00
10 -- -- -- -- -- -- -- -- -- -- .11 .00
11 -- -- -- -- -- -- -- -- -- -- e.89 .00
12 -- -- -- -- -- -- -- -- -- -- e1.43 .00
13 -- -- -- -- -- -- -- -- -- -- .00 .00
14 -- -- -- -- -- -- -- -- -- -- .00 .00
15 -- -- -- -- -- -- -- -- -- -- e.51 .00
16 -- -- -- -- -- -- -- -- -- -- e2.11 .92
17 -- -- -- -- -- -- -- -- -- -- e1.35 .29
18 -- -- -- -- -- -- -- -- -- 1.17 e.00 .00
19 -- -- -- -- -- -- -- -- -- .00 .00 .47
20 -- -- -- -- -- -- -- -- -- .00 .01 .00
21 -- -- -- -- -- -- -- -- -- .00 .00 .00
22 -- -- -- -- -- -- -- -- -- .36 .00 .03
23 -- -- -- -- -- -- -- -- -- .00 e.06 .06
24 -- -- -- -- -- -- -- -- -- .00 .00 .00
25 -- -- -- -- -- -- -- -- -- .00 .00 .00
26 -- -- -- -- -- -- -- -- -- .10 .00 .00
27 -- -- -- -- -- -- -- -- -- .00 .00 .00
28 -- -- -- -- -- -- -- -- -- .00 .00 .00
29 -- -- -- -- -- -- -- -- -- .00 .00 .00
30 -- -- -- -- -- -- -- -- -- .00 .01 .00
31 -- -- -- -- -- -- -- -- -- .00 .00 --

TOTAL -- -- -- -- -- -- -- -- -- -- 7.01 1.80
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 0.06 e0.03 s0.11 0.12 0.00 0.07 0.00 0.01 0.00 0.00 0.00
2 .00 .00 .00 .00 .00 s.01 .00 .01 .00 .00 .00 .00
3 .00 .06 .11 .38 .00 s.03 .00 .02 .03 e1.16 .66 .06
4 .13 .00 .00 .23 .00 s.11 .00 .01 .00 .00 1.00 .00
5 .00 .12 .00 .37 .00 .00 .00 .11 .07 .00 2.64 .00
6 .00 .23 .00 .28 .00 .03 .00 .20 .01 .00 .17 .05
7 .00 .00 .00 .06 .00 .00 .82 2.02 .00 .14 .14 1.94
8 .00 .00 .00 s.64 .00 .89 .32 .05 .10 .00 .01 .00
9 e.16 .00 s.13 s.05 .00 s.21 .04 .00 .48 .00 .00 .00
10 .00 s.02 s.46 .00 e.05 .00 .00 .00 .00 .00 .00 .00
11 .00 .00 s.01 .00 e.74 .00 .00 .00 1.04 .00 .00 .00
12 .00 .00 .00 s.01 .00 .00 .00 .00 .00 .00 .00 .00
13 .65 .00 .00 .00 .00 s.07 .21 .00 .00 .00 .00 .00
14 .00 s.08 .00 .00 .00 .00 .00 .00 .00 .00 .00 .69
15 .00 s.06 .00 .00 .00 .00 .20 .00 .00 .00 .00 .02
16 .00 s.03 .00 .00 e.40 .00 .62 .00 .56 .00 .00 .00
17 .00 s.07 .00 .00 e.26 .49 .00 .00 .00 .00 .00 .00
18 .00 s.19 .00 .00 .00 .30 .00 .00 .83 .00 .00 .00
19 .00 .00 .00 .00 .00 .06 .00 .00 .00 .47 .00 .00
20 .00 s.01 .00 .00 .02 .00 .59 .00 .00 .00 .00 .07
21 .00 .00 .00 .00 .00 .00 .06 .00 .00 .04 .00 .00
22 .00 .00 .11 .00 .00 .00 .00 .00 .00 .14 .00 .00
23 .00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .00 .00
24 .20 .00 s.28 .00 .09 .00 .00 .40 .00 .00 .38 .01
25 .02 .00 s.22 .00 .00 .00 .03 .00 .00 .00 1.39 .01
26 1.02 .00 .00 .00 .01 .00 .33 .00 e.48 .00 .00 .01
27 s.38 .25 .00 .00 .11 .00 .00 .00 e.01 .00 .00 .00
28 .00 e.02 s.02 .00 .01 .16 .03 .16 e.39 .00 .43 .00
29 .00 e.19 s.01 s.09 -- .00 .33 .01 e.07 .00 .00 .08
30 .00 e.02 .00 .00 -- .05 .00 .00 .00 .00 .00 .37
31 .00 -- .00 .00 -- .73 -- .00 -- .00 .00 --

TOTAL 2.56 1.41 1.38 2.22 1.81 3.14 3.65 3.00 4.08 1.95 6.82 3.31
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data