Historical Climate Data

Precipitation Summary
Station: 479190 WHITEWATER, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precip (in) 1.25 1.13 2.02 3.40 3.18 3.78 3.94 4.64 3.37 2.59 2.48 1.56 33.34

Precipitation Extremes
Period of Record: 1941-2001

Month High (in) Year Low (in) Year 1-Day
Max (in)		 Date
JAN 3.56 1960 0.13 1981 1.67 01-20-1988
FEB 3.31 1944 0.00 1987 1.69 02-09-2001
MAR 5.36 1976 0.14 1996 2.10 03-15-1943
APR 6.92 1981 0.78 1942 2.86 04-23-1999
MAY 6.59 2000 0.62 1988 2.75 05-25-1984
JUN 8.76 1967 0.17 1987 4.12 06-13-1950
JUL 9.12 1982 0.16 1946 4.10 07-22-1982
AUG 8.92 1995 0.25 1969 4.03 08-06-1998
SEP 10.93 1961 0.08 1979 4.12 09-09-1985
OCT 8.86 1959 0.10 1952 4.00 10-23-1959
NOV 6.50 1985 0.39 1976 2.65 11-09-1944
DEC 4.19 1971 0.19 1975 2.42 12-27-1942
 
Annual 42.95 1959 20.50 1949 4.12 06-13-1950
Winter 7.36 1943 0.90 1961 2.42 12-27-1942
Spring 14.47 1974 3.49 1958 2.86 04-23-1999
Summer 18.55 1952 6.01 1985 4.12 06-13-1950
Fall 18.87 1961 2.83 1956 4.12 09-09-1985

Precipitation Threshold Climatology
Derived from 1971-2000 Averages


*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding.

Month # Days
Total ≥ 0.01"		 # Days
Total ≥ 0.10"		 # Days
Total ≥ 0.50"		 # Days
Total ≥ 1.00"
JAN 8.5 3.6 0.5 0.0
FEB 6.6 3.2 0.5 0.2
MAR 8.9 5.0 1.3 0.2
APR 11.1 6.9 2.3 0.6
MAY 11.7 7.2 2.1 0.6
JUN 10.0 6.3 2.8 0.9
JUL 10.0 6.4 2.7 1.1
AUG 10.4 6.7 3.1 1.5
SEP 9.0 5.6 2.0 1.0
OCT 9.6 5.3 1.7 0.5
NOV 9.9 5.2 1.7 0.4
DEC 8.7 4.1 0.9 0.2
 
Annual 114.4 65.5 21.6 7.3
Winter 23.8 10.9 1.9 0.4
Spring 31.7 19.1 5.7 1.4
Summer 30.4 19.4 8.6 3.5
Fall 28.5 16.1 5.4 2.0