Historical Climate Data

Precipitation Summary
Station: 474953 MADELINE ISLAND, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precip (in) 1.64 1.14 2.05 2.40 3.29 4.16 3.98 3.98 3.58 2.74 2.66 1.56 33.18

Precipitation Extremes
Period of Record: 1945-2001

Month High (in) Year Low (in) Year 1-Day
Max (in)		 Date
JAN 4.01 1975 0.00 1986 1.42 01-05-1997
FEB 3.40 1971 0.00 1991 2.00 02-05-1971
MAR 5.90 1967 0.00 1969 3.00 03-21-1967
APR 8.62 2001 0.15 1988 3.10 04-29-1991
MAY 10.00 1964 0.59 1948 4.73 05-23-1964
JUN 9.57 1967 0.77 1995 6.00 06-19-1967
JUL 10.44 1987 1.15 1989 4.40 07-17-1987
AUG 10.06 1972 0.80 1957 4.10 08-16-1972
SEP 9.56 1990 0.88 1967 4.00 09-17-1955
OCT 5.71 1982 0.44 1947 2.40 10-09-1973
NOV 8.44 1991 0.33 1990 2.60 11-02-1991
DEC 3.49 1963 0.18 1947 2.00 12-12-1965
 
Annual 47.22 1991 19.96 1956 6.00 06-19-1967
Winter 8.50 1971 1.26 1995 2.00 12-12-1965
Spring 15.00 1964 3.48 1958 4.73 05-23-1964
Summer 21.49 1986 3.57 1961 6.00 06-19-1967
Fall 16.04 1982 2.50 1976 4.00 09-17-1955

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 10.0 6.1 1.1 0.2
FEB 6.3 3.9 0.6 0.1
MAR 8.1 4.8 1.3 0.4
APR 8.5 5.8 1.4 0.5
MAY 10.2 7.3 2.4 0.8
JUN 11.8 8.3 3.2 1.1
JUL 11.3 7.5 3.2 1.2
AUG 10.7 6.9 2.7 1.1
SEP 11.7 7.4 2.3 0.8
OCT 10.5 6.3 1.8 0.5
NOV 9.1 6.2 2.0 0.6
DEC 9.0 5.2 0.7 0.1
 
Annual 118.4 76.6 23.4 7.8
Winter 25.4 15.1 2.4 0.4
Spring 26.8 17.9 5.1 1.7
Summer 33.8 22.7 9.0 3.4
Fall 31.5 20.0 6.1 1.9