414843088042500 DATA: Precipitation Tables, 1999

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 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.

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

MAXIMUM FOR CURRENT YEAR.--Maximum, 2.60 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	0.03	0.00	0.00	0.00	1.31	0.45	0.00	0.00
2	.56	.00	.00	.00	.15	.12	.00	.00	.11	.00	.00	.00
3	.00	.01	.00	.00	.00	.00	.00	.00	.00	.01	.00	.00
4	.00	.06	.00	.00	.00	.00	.08	.04	.00	.00	.00	.00
5	e.61	.00	.00	.00	.02	.00	.03	.02	.00	.00	.00	.00
6	e.30	.00	.98	.00	.00	.00	.03	.32	.28	.00	.00	.00
7	.00	.00	.00	.00	.00	.00	.00	.01	.00	.00	.20	.00
8	.00	.04	.00	.00	.00	.00	1.10	.00	.00	.00	.00	.00
9	.00	.36	.00	.00	.00	s.02	.06	.00	.00	.20	.00	.00
10	.00	.72	.00	.00	.00	s.47	.17	.00	.03	.00	.00	.00
11	.00	.00	.00	.00	.35	s.01	.01	1.21	.69	.00	.00	.00
12	.00	.00	.00	.00	.00	.00	.00	.38	.10	.00	.39	.27
13	.00	.00	.00	.00	.00	.00	.00	.01	.92	.00	.06	.00
14	.00	.00	.00	.00	.00	.00	.00	.00	.00	.00	.00	.00
15	.04	.00	.00	.00	.00	.00	1.13	.00	.00	.00	.00	.00
16	.00	.00	.00	s.31	.04	.00	.45	.00	.00	.00	.00	.00
17	2.60	.00	.00	.45	.00	.00	.00	.63	.00	.17	.00	.00
18	.23	.00	.00	.00	.00	.00	.05	.04	.00	.00	.03	.00
19	.00	.00	.00	.00	.00	.00	.00	.00	.00	.11	.43	.05
20	.00	.00	s.01	.00	.00	.00	.06	.00	.00	.21	.00	.00
21	.00	.00	s.01	.75	.00	.00	.00	1.16	.00	.37	.00	.01
22	.00	.00	.00	.40	.00	.00	1.54	.02	.50	.00	.00	.00
23	.00	.00	.00	.76	.00	.00	.34	.16	.46	.15	.34	.00
24	.00	.00	.00	.01	.00	.00	.00	.00	.00	.01	.93	.00
25	.00	.00	.00	.00	s.10	.00	.00	.00	.00	.00	.33	.00
26	.00	.00	.00	.00	.20	.00	.00	.00	.00	.00	.00	.00
27	.49	.00	.00	.00	.27	.00	1.40	.00	.53	.00	.00	.64
28	.01	.00	.00	.00	.02	.00	.01	.00	.08	.00	.00	1.58
29	.05	.00	s.01	.00	--	.00	.00	.00	.00	.00	.00	.14
30	.02	.39	.00	.00	--	.00	.00	.00	.00	.00	.00	.00
31	.00	--	.00	.00	--	.00	--	.00	--	.00	.00	--