Station list     Available data
ILLINOIS RIVER BASIN


420354088170500                         ELGIN WASTEWATER TREATMENT FACILITY AT ELGIN, IL



LOCATION.--Latitude 42°03'54", longitude 88°17'05", in SW1/4NE1/4NE1/4 sec.2, T.41 N., R.8 E., Kane County, within the water-treatment facility on the south side of the frontage road (along the south side of U.S. Highway 90), approximately 0.5 mi east of State Highway 31 in Elgin.

PERIOD OF RECORD.--March 1989 to September 1995 and March 1997 to current year.

GAGE.--A 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, 2.93 in., October 17, 1998, but may have been greater during periods of missing record.

MAXIMUM FOR CURRENT YEAR.--Maximum, 2.93 in., 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 0.01 0.00 0.00 0.00 1.38 0.31 0.00 0.00
2 .37 .02 .00 .00 .08 .15 .00 .00 .00 .00 .00 .00
3 .01 .00 .00 .00 .01 .00 .00 .00 .00 .02 .00 .00
4 .00 .00 .00 .00 .01 .00 .25 .07 .43 .00 .00 .00
5 .76 .00 .00 .00 .20 .00 .02 .06 .00 .00 .00 .00
6 .23 .00 e1.28 .00 .00 .00 .17 .31 .33 .00 .00 .00
7 .00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .03 .00
8 .00 .06 .00 .00 .00 .00 e1.18 .00 .00 .00 .00 .00
9 .00 .29 .00 .00 .00 .00 e.33 .00 .15 .94 .03 .00
10 .00 1.24 .00 .00 .00 .00 .05 .00 .02 .00 .00 .00
11 .00 .00 .00 .00 .47 .00 .01 .97 .09 .00 .00 .00
12 .00 .00 .00 .00 .00 .00 .00 .14 .20 .00 .43 .41
13 .00 .00 .00 .00 .00 .00 .00 .00 .94 .00 .05 .00
14 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
15 .04 .00 .00 .00 .00 .00 .69 .01 .00 .00 .00 .00
16 .01 .00 .00 s.13 .02 .00 .46 .00 .00 .01 .00 .00
17 2.93 .00 .00 .51 .00 .00 .00 .19 .00 .27 .30 .00
18 .22 .00 .00 .00 .00 .00 .02 .01 .00 .00 .10 .00
19 .00 .00 .00 .00 .00 .00 .00 .00 .00 .11 .07 .13
20 .00 .00 .00 .00 .00 .00 .21 .00 .00 .86 .00 .00
21 .01 .00 .00 .80 .00 .00 1.50 .55 .00 .09 .00 .00
22 .00 .00 .00 .68 .00 .00 1.37 .02 .00 .01 .00 .00
23 .00 .00 .00 .77 .00 .00 .39 .07 .00 1.04 .29 .00
24 .00 .00 .00 .03 .00 .00 .00 .00 .00 .00 .12 .00
25 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .03 .00
26 .00 .00 .00 .00 .24 .00 .00 .00 .00 .00 .00 .00
27 .41 .00 .00 .00 .07 .00 e1.46 .00 .00 .00 .00 2.47
28 .01 .00 .00 .00 .03 .00 .00 .00 .00 .00 .00 2.07
29 .07 .00 s.03 .00 -- .00 .00 .00 .00 .00 .00 .01
30 .01 .20 .00 .00 -- .00 .00 .00 .01 .00 .00 .00
31 .00 -- .00 .00 -- .00 -- .77 -- .00 .00 --

TOTAL 5.08 1.81 1.31 2.92 1.14 0.15 8.11 3.18 3.55 3.66 1.45 5.09
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data