Historical Climate Data

Temperature Summary
Station: 475286 MELLEN 4 NE, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Max °F 19.3 26.1 36.6 50.5 65.0 73.0 77.4 75.1 65.7 54.0 37.1 23.8 50.3
Min °F -3.0 2.2 14.7 27.9 39.9 49.4 54.9 53.0 44.1 33.6 21.1 5.4 28.6
Mean °F 8.2 14.2 25.7 39.2 52.5 61.2 66.2 64.1 54.9 43.8 29.1 14.6 39.5
HDD
base 65		 1764 1425 1221 774 410 151 59 102 308 657 1077 1562 9510
CDD
base 65		 0 0 0 0 21 36 94 73 5 0 0 0 229

Temperature Extremes
Period of Record: 1948-2001

Month High
Mean°F		 Year Low
Mean°F		 Year 1-Day
Max°F		 Date 1-Day
Min°F		 Date
JAN 19.7 1964 -1.1 1977 55 01-26-1973 -49 01-30-1950
FEB 31.0 1998 4.6 1989 63 02-25-1976 -46 02-03-1996
MAR 34.2 1973 15.7 1960 73 03-30-1986 -35 03-01-1962
APR 48.4 1955 29.6 1950 89 04-28-1952 -6 04-08-1972
MAY 62.7 1977 45.3 1997 92 05-22-1964 15 05-09-1966
JUN 66.5 1949 54.7 1969 96 06-19-1995 25 06-15-1948
JUL 71.5 1955 59.8 1992 98 07-07-1988 32 07-01-1988
AUG 69.3 1983 59.6 1977 101 08-24-1948 31 08-22-1967
SEP 61.2 1998 49.9 1974 98 09-08-1976 22 09-29-1967
OCT 56.3 1963 38.7 1976 87 10-03-1992 6 10-28-1976
NOV 41.4 2001 20.3 1959 73 11-05-1975 -20 11-28-1976
DEC 24.9 1997 4.1 1983 61 12-03-1982 -36 12-30-1976
 
Annual 49.5 1956 36.9 1972 101 08-24-1948 -49 01-30-1950
Winter 24.0 1998 5.2 1979 63 02-25-1976 -49 01-30-1950
Spring 46.9 1977 32.7 1950 92 05-22-1964 -35 03-01-1962
Summer 67.8 1955 59.6 1992 101 08-24-1948 25 06-15-1948
Fall 50.7 1963 38.8 1976 98 09-08-1976 -20 11-28-1976

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 26.4 31.0 17.1
FEB 0.0 18.7 27.8 12.6
MAR 0.0 10.3 28.9 5.8
APR 0.0 1.4 20.9 0.2
MAY 0.1 0.1 7.6 0.0
JUN 1.0 0.0 0.7 0.0
JUL 1.8 0.0 0.0 0.0
AUG 0.9 0.0 0.0 0.0
SEP 0.1 0.0 3.0 0.0
OCT 0.0 0.4 14.6 0.0
NOV 0.0 9.7 26.3 1.5
DEC 0.0 23.1 30.8 11.6
 
Annual 3.9 88.9 190.2 48.0
Winter 0.0 68.0 89.6 41.2
Spring 0.1 11.4 56.8 5.7
Summer 3.7 0.0 0.8 0.0
Fall 0.1 10.1 43.9 1.5