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, Hydrologic Unit 07120004, on State Highway 53 0.3 mi north of U.S. Highway 88, and located on the roof of the main office building of Morton Arboretum near Lisle.

PERIOD OF RECORD.--
PRECIPITATION: June 1989 to November 1991 and July 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.

EXTREMES FOR PERIOD OF RECORD.--
PRECIPITATION: Maximum, 2.60 in., October 17, 1998, but may have been greater during periods of missing record.

EXTREMES FOR CURRENT YEAR.--Maximum recorded, 2.07 in., September 11, 2000.

PRECIPITATION, TOTAL, INCHES, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY SUM VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.10 0.10 0.00 0.11 0.00
2 .02 .00 .00 .01 .00 .00 .00 .00 .01 1.22 .19 .00
3 .70 .00 .28 .25 s.06 .00 .00 .00 .00 .21 .00 .00
4 .00 .00 .99 .00 s.01 .00 .00 .00 .02 .00 .00 .00
5 .00 .00 .83 .00 .00 .00 .00 .00 .16 .00 .40 .00
6 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .62 .00
7 .00 .00 .00 .00 .00 .00 .40 .00 .00 .00 .00 .00
8 .00 .00 .00 .04 .00 .00 .15 1.08 .00 .00 .00 .04
9 .00 .00 .05 .13 .00 .00 .00 .60 .00 .00 .00 .00
10 .00 .00 .00 .12 .00 .00 .12 .00 .00 .93 .00 .04
11 .00 .00 .00 .00 .00 .00 .01 .30 1.45 .00 .00 2.07
12 .00 .00 .00 .00 .00 .00 .00 .89 .39 .00 .00 .06
13 .02 .00 .00 .00 s.01 .03 .00 .01 .36 .00 .00 .00
14 .00 .00 .04 .00 .00 .00 .00 .00 .79 .00 .00 .44
15 .00 .00 .14 .00 .00 .40 .00 .00 .00 .00 .00 .00
16 .15 .00 .00 .00 .00 .00 .95 .20 .07 .00 .00 .00
17 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .59 .00
18 .00 .00 s.07 s.01 s.01 .00 .00 .57 .00 .00 .00 .00
19 .00 .01 .00 .00 .00 .18 .75 .02 .00 .00 .00 .00
20 .00 .00 .03 .00 s.04 .23 1.83 .00 .40 .00 .00 .38
21 .00 .00 .00 .00 s.18 .00 .27 .00 .00 .00 .00 .00
22 .00 .07 .00 .00 .00 .01 .00 .08 .00 .00 .00 .81
23 .00 .21 .00 .00 .00 .00 .14 .00 .20 .00 .00 .11
24 .00 .00 .00 .00 .42 .09 .01 .00 1.14 .00 .00 .19
25 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
26 .00 .05 .00 .00 .03 .09 .00 .04 .00 .00 .03 .00
27 .00 .00 .00 s.02 .00 .03 .00 .23 .00 .00 .00 .00
28 .00 .00 .00 .00 .00 .00 .00 .21 .08 .00 .00 .00
29 .00 .00 .00 .00 .00 .00 .01 .00 .00 .00 .00 .00
30 .00 .00 .00 s.01 -- .00 .00 .14 .34 .63 .00 .00
31 .00 -- .00 .00 -- .00 -- .68 -- .59 .00 --

TOTAL 0.89 0.34 2.43 0.59 0.76 1.09 4.64 5.15 5.51 3.58 1.94 4.14
s Snowfall-affected precipitation


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data