Station list     Available data
ILLINOIS RIVER BASIN


415801088095700                         BARTLETT WASTEWATER TREATMENT FACILITY NEAR BARTLETT, IL



LOCATION.--Latitude 41°58'01", longitude 88°09'57", in SE1/4SE1/4NE1/4 sec.11, T.40 N., R.9 E., 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, 2.96 in., October 17, 1998.

MAXIMUM FOR CURRENT YEAR.--Maximum, 2.96 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 1.76 0.52 0.00 0.00
2 .44 .00 .00 .00 .12 .19 .00 .00 .01 .00 .00 .00
3 .01 .01 .00 .00 .04 .00 .00 .00 .00 .03 .00 .00
4 .00 .01 .00 .00 .00 .00 .13 .06 .00 .00 .00 .00
5 .69 .00 .00 .00 .14 .00 .04 .07 .00 .00 .00 .00
6 .22 .00 .96 .00 .00 .00 .01 .26 .00 .00 .00 .00
7 .00 .00 .00 .00 .00 s.05 .00 .00 .00 .00 .20 .00
8 .00 .07 .00 .00 .00 .00 .95 .00 .01 .00 .00 .00
9 .00 .24 .00 .00 .00 s.07 .26 .00 .09 .60 .01 .00
10 .00 .81 .00 .00 .00 s.02 .11 .00 .06 .00 .00 .00
11 .00 .00 .00 .00 .32 .00 .02 .91 .43 .00 .00 .00
12 .00 .00 .00 .00 .00 .00 .00 .14 .00 .00 .32 .48
13 .00 .00 .00 .00 .00 .00 .00 .01 e1.25 .00 .07 .00
14 .02 .00 .01 .00 .00 .00 .00 .00 .00 .00 .00 .00
15 .07 .00 .00 .00 .00 .00 .60 .01 .00 .00 .00 .00
16 .01 .00 .00 s.15 .05 .00 .39 .00 .00 .00 .00 .00
17 2.96 .00 .00 .38 .00 .00 .00 .63 .00 .06 .02 .00
18 .28 .00 .00 .00 .00 .00 .12 .08 .00 .00 .28 .00
19 .00 .00 .00 .00 .00 .00 .00 .00 .00 .06 .51 .08
20 .00 .00 .00 .00 .00 .00 .17 .00 .00 .43 .00 .00
21 .00 .00 .00 .59 .00 .00 .76 1.14 .00 .40 .00 .00
22 .00 .00 .00 .44 .00 .00 1.38 .02 .00 .00 .00 .00
23 .00 .00 .00 .86 .00 .00 .36 .19 .00 .41 .32 .00
24 .00 .00 .00 .03 .00 .00 .00 .00 .00 .01 .14 .00
25 .00 .00 .00 .00 s.08 .00 .00 .00 .00 .00 .57 .00
26 .00 .00 .00 .00 .21 .00 .00 .00 .00 .06 .00 .00
27 .56 .00 .00 .00 .16 .00 1.18 .00 .05 .00 .00 .66
28 .02 .00 .00 .00 .08 .00 .01 .00 .03 .00 .00 2.23
29 .26 .00 s.01 .00 -- .00 .00 .00 .00 .00 .00 .06
30 .03 .39 .00 .00 -- .00 .00 .18 .00 .00 .00 .00
31 .00 -- .00 .00 -- .00 -- .02 -- .00 .00 --

TOTAL 5.57 1.53 0.98 2.45 1.21 0.33 6.49 3.72 3.69 2.58 2.44 3.51
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data