Station list     Available data
ILLINOIS RIVER BASIN


414843088042500                         MORTON ARBORETUM NEAR LISLE, IL



LOCATION.--Latitude 41°48'43", longitude 88°04'25", in SE1/4NE1/4NE1/4 sec.3, T.38 N., R.10 E., Du Page County, on the roof of the main office building of Morton Arboretum near Lisle.

PERIOD OF RECORD.--June 3, 1989 to November 1, 1991 and July 18, 1997 to current year.

GAGE.--A 6-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 recorded, 2.28 in., September 1, 1989 but may have been greater during periods of missing record.

MAXIMUM FOR WATER YEAR 1997.--Maximum recorded, 1.36 in., August 12, 1997.

MAXIMUM FOR WATER YEAR 1998.--Maximum, 2.21 in., estimated, May 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 -- -- -- -- -- -- -- -- -- -- .96 .00
4 -- -- -- -- -- -- -- -- -- -- .34 .00
5 -- -- -- -- -- -- -- -- -- -- .00 .01
6 -- -- -- -- -- -- -- -- -- -- .00 .00
7 -- -- -- -- -- -- -- -- -- -- .00 .00
8 -- -- -- -- -- -- -- -- -- -- .00 .00
9 -- -- -- -- -- -- -- -- -- -- .00 .00
10 -- -- -- -- -- -- -- -- -- -- .00 .00
11 -- -- -- -- -- -- -- -- -- -- .69 .00
12 -- -- -- -- -- -- -- -- -- -- 1.36 .00
13 -- -- -- -- -- -- -- -- -- -- .00 .00
14 -- -- -- -- -- -- -- -- -- -- .00 .00
15 -- -- -- -- -- -- -- -- -- -- .35 .00
16 -- -- -- -- -- -- -- -- -- -- 1.13 .75
17 -- -- -- -- -- -- -- -- -- -- .79 .13
18 -- -- -- -- -- -- -- -- -- 1.13 .01 .00
19 -- -- -- -- -- -- -- -- -- .00 .00 .35
20 -- -- -- -- -- -- -- -- -- .00 .00 .01
21 -- -- -- -- -- -- -- -- -- .00 .00 .00
22 -- -- -- -- -- -- -- -- -- .05 .00 .05
23 -- -- -- -- -- -- -- -- -- .00 .11 .08
24 -- -- -- -- -- -- -- -- -- .00 .01 .00
25 -- -- -- -- -- -- -- -- -- .00 .00 .00
26 -- -- -- -- -- -- -- -- -- .00 .00 .00
27 -- -- -- -- -- -- -- -- -- .00 .00 .00
28 -- -- -- -- -- -- -- -- -- .00 .00 .00
29 -- -- -- -- -- -- -- -- -- .00 .00 .00
30 -- -- -- -- -- -- -- -- -- .00 .01 .00
31 -- -- -- -- -- -- -- -- -- .00 .00 --

TOTAL -- -- -- -- -- -- -- -- -- -- 5.76 1.38
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 e0.02 s0.03 0.09 0.00 0.11 0.00 0.00 0.00 0.00 0.00
2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
3 .00 .16 .10 .40 .00 s.03 .00 .00 .13 1.78 .65 .14
4 .00 .00 .00 .30 .00 s.31 .00 .02 .00 .00 1.68 .00
5 .00 .12 .00 .43 .00 .00 .00 .14 .06 .00 1.73 .00
6 .00 .18 .00 .30 .00 .01 .00 .21 .01 .00 .00 e.36
7 .00 .00 .00 .07 .00 .00 .72 1.89 .00 .12 .16 e2.21
8 .00 .00 .00 s.52 .00 .85 .32 .09 .07 .00 .03 .00
9 .07 .00 s.11 s.09 .00 s.25 .03 .00 1.39 .00 .00 .00
10 .00 s.02 s.50 .00 .04 .00 .00 .00 .00 .00 .00 .00
11 .00 .00 .00 .00 .69 s.01 .00 .00 1.18 .00 .00 .00
12 .00 .00 .00 .00 .00 .00 .00 .04 .00 .00 .00 .00
13 .61 .00 .00 .00 .00 s.09 .23 .13 .00 .00 .00 .00
14 .00 s.06 .00 .00 .00 .00 .00 .00 .02 .00 .00 .46
15 .00 s.01 .00 .00 .00 .00 .14 .00 .00 .00 .07 .04
16 .00 .00 .00 .00 e.24 .00 .33 .00 .00 .00 .00 .00
17 .00 .00 .00 .00 e.19 .72 .00 .00 .00 .00 .00 .00
18 .00 s.13 .00 s.02 .02 .32 .00 .00 .43 .00 .00 .00
19 .00 .00 .00 .00 .00 .01 .00 .00 .00 .29 .00 .00
20 .00 s.01 .00 .00 .01 .00 .67 .00 .00 .00 .00 .01
21 .00 .00 .00 .00 .00 .00 .12 .00 .00 .04 .00 .00
22 .00 .00 .12 .00 .00 .00 .00 .00 .00 .13 .06 .00
23 .00 .00 .00 .00 .00 .00 .00 .27 .00 .00 .00 .00
24 .10 .00 s.15 s.02 .07 .00 .00 1.04 .00 .00 .38 .00
25 .01 .00 s.51 .00 .00 .00 .08 .00 .00 .00 .09 .01
26 1.05 .00 .00 e.20 .00 .00 .49 .00 1.47 .00 .00 .00
27 s.24 e.57 s.02 e.02 .12 .00 .00 .00 .00 .00 .00 .00
28 .00 e.03 s.01 .00 .00 .18 .02 .23 .13 .00 .40 .00
29 .00 e.17 s.02 e.04 -- .00 .30 .05 .08 .00 .00 .13
30 .00 e.00 .00 .00 -- .00 .00 .00 .00 .00 .00 .46
31 .00 -- .00 .00 -- .79 -- .00 -- .00 .00 --

TOTAL 2.08 1.52 1.56 2.44 1.47 3.57 3.56 4.11 4.97 2.36 5.25 3.82
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data