Historical Climate Data

Precipitation Summary
Station: 476646 PLATTEVILLE, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precip (in) 1.12 1.29 2.22 3.52 3.93 5.06 4.54 4.44 3.52 2.61 2.43 1.45 36.13

Precipitation Extremes
Period of Record: 1936-2001

Month High (in) Year Low (in) Year 1-Day
Max (in)		 Date
JAN 2.98 1960 0.00 1942 1.68 01-05-1946
FEB 3.65 1971 0.00 1958 1.71 02-27-1998
MAR 4.83 1977 0.49 1958 2.55 03-31-1998
APR 7.01 1973 0.91 1936 2.42 04-14-1974
MAY 7.99 1960 0.77 1992 3.21 05-17-1999
JUN 12.60 1969 0.80 1992 5.98 06-01-2000
JUL 10.78 1999 0.54 1967 4.92 07-08-1951
AUG 8.41 1940 0.11 1969 4.62 08-08-1991
SEP 11.27 1961 0.64 1976 3.28 09-08-1941
OCT 7.17 1984 0.02 1952 2.80 10-10-1954
NOV 5.91 1992 0.10 1976 2.63 11-02-1961
DEC 4.04 1971 0.25 1989 2.51 12-15-1971
 
Annual 50.77 1991 20.77 1949 5.98 06-01-2000
Winter 8.26 1937 0.94 1964 2.51 12-15-1971
Spring 16.67 1973 4.71 1988 3.21 05-17-1999
Summer 26.44 1993 5.77 1988 5.98 06-01-2000
Fall 22.27 1961 2.58 1950 3.28 09-08-1941

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 9.1 3.3 0.3 0.0
FEB 7.0 3.4 0.7 0.2
MAR 9.7 5.3 1.4 0.2
APR 12.5 7.4 2.5 0.6
MAY 12.5 7.2 2.9 1.0
JUN 11.4 7.1 3.2 1.4
JUL 10.9 7.2 2.7 1.3
AUG 10.6 6.9 2.9 1.3
SEP 10.1 6.1 2.7 0.8
OCT 10.2 5.5 1.7 0.6
NOV 10.3 5.3 1.4 0.4
DEC 9.4 3.9 0.7 0.1
 
Annual 123.8 68.6 23.3 8.0
Winter 25.5 10.7 1.8 0.3
Spring 34.7 19.9 6.8 1.8
Summer 33.0 21.2 8.9 4.0
Fall 30.6 16.9 5.9 1.8