Historical Climate Data

Temperature Summary
Station: 470124 ALMA DAM 4, WI

1971-2000 NCDC Normals

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Max °F 23.4 30.3 41.8 57.3 70.0 78.6 82.5 79.8 70.7 58.3 40.6 27.3 55.1
Min °F 7.3 13.7 25.6 38.3 50.3 59.3 64.2 62.3 53.7 42.3 28.4 14.6 38.3
Mean °F 15.4 22.0 33.7 47.8 60.2 69.0 73.4 71.1 62.2 50.3 34.5 21.0 46.7
HDD
base 65		 1539 1205 970 520 208 32 8 18 131 460 915 1366 7372
CDD
base 65		 0 0 0 5 58 151 267 205 47 3 0 0 736

Temperature Extremes
Period of Record: 1949-2001

Month High
Mean°F		 Year Low
Mean°F		 Year 1-Day
Max°F		 Date 1-Day
Min°F		 Date
JAN 27.7 1990 1.6 1977 55 01-25-1981 -38 01-31-1996
FEB 33.0 1998 9.3 1979 62 02-26-2000 -35 02-03-1996
MAR 41.3 2000 23.6 1965 80 03-29-1986 -27 03-01-1962
APR 54.9 1977 38.1 1950 89 04-30-1952 7 04-04-1995
MAY 68.5 1977 53.9 1954 92 05-27-1969 24 05-03-1967
JUN 73.7 1956 62.2 1969 101 06-11-1956 36 06-17-2000
JUL 78.0 1955 67.4 1992 100 07-21-1983 43 07-20-1970
AUG 76.3 1995 66.7 1950 101 08-07-2001 42 08-20-1950
SEP 67.9 1998 56.9 1965 97 09-07-1978 25 09-26-1984
OCT 61.8 1963 45.3 1988 91 10-04-1997 18 10-30-1988
NOV 48.5 2001 27.4 1991 78 11-01-1950 -10 11-26-1977
DEC 32.1 1959 6.6 1983 64 12-02-1982 -32 12-24-1983
 
Annual 50.8 1987 42.5 1982 101 06-11-1956 -38 01-31-1996
Winter 27.6 1998 9.3 1979 64 12-02-1982 -38 01-31-1996
Spring 54.3 1977 39.7 1950 92 05-27-1969 -27 03-01-1962
Summer 75.0 1988 66.9 1992 101 06-11-1956 36 06-17-1900
Fall 56.1 1963 45.5 1976 97 09-07-1978 -10 11-26-1977

Temperature Threshold Climatology
Derived from 1971-2000 Averages


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

Month # Days
Max ≥ 90°F		 # Days
Max ≤ 32°F		 # Days
Min ≤ 32°F		 # Days
Min ≤ 0°F
JAN 0.0 22.3 30.6 11.2
FEB 0.0 14.6 26.7 6.5
MAR 0.0 5.9 23.1 1.3
APR 0.0 0.4 8.7 0.0
MAY 0.1 0.0 0.5 0.0
JUN 1.8 0.0 0.0 0.0
JUL 3.9 0.0 0.0 0.0
AUG 2.0 0.0 0.0 0.0
SEP 0.2 0.0 0.3 0.0
OCT 0.0 0.0 5.9 0.0
NOV 0.0 5.8 21.4 0.4
DEC 0.0 18.7 29.9 6.0
 
Annual 7.8 68.1 148.1 25.7
Winter 0.0 55.5 87.2 23.8
Spring 0.1 6.3 32.4 1.3
Summer 7.6 0.0 0.0 0.0
Fall 0.2 5.9 27.8 0.4