Historical Climate Data

Temperature Summary
Station: 470265 APPLETON, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Max °F 24.1 29.4 40.2 54.4 68.3 77.1 81.4 78.7 70.2 57.5 41.9 28.9 54.3
Min °F 7.8 12.7 22.8 34.6 46.5 56.2 61.7 60.0 51.2 39.7 27.3 14.4 36.2
Mean °F 16.0 21.1 31.5 44.5 57.4 66.7 71.6 69.4 60.7 48.6 34.6 21.7 45.3
HDD
base 65
1520 1230 1039 617 281 62 15 30 161 509 913 1344 7721
CDD
base 65
0 0 0 1 45 111 217 164 32 2 0 0 572

Temperature Extremes
Period of Record: 1901-2001

Month High
Mean°F
Year Low
Mean°F
Year 1-Day
Max°F
Date 1-Day
Min°F
Date
JAN 26.9 1990 0.1 1912 55 01-27-1944 -30 01-30-1951
FEB 31.3 1998 3.9 1936 59 02-23-1930 -32 02-20-1929
MAR 42.1 1910 22.3 1960 80 03-29-1910 -21 03-01-1962
APR 53.1 1915 36.6 1907 89 04-22-1980 7 04-06-1979
MAY 69.2 1911 49.3 1907 94 05-31-1988 23 05-04-1905
JUN 72.7 1911 59.5 1969 101 06-20-1988 34 06-08-1913
JUL 78.3 1916 66.8 1992 107 07-14-1936 41 07-31-1903
AUG 77.5 1947 63.7 1927 103 08-16-1988 35 08-27-1915
SEP 67.4 1908 54.4 1993 101 09-02-1913 25 09-30-1993
OCT 60.0 1947 38.7 1917 89 10-06-1963 15 10-19-1992
NOV 43.0 1931 26.1 1995 73 11-01-1935 -7 11-29-1929
DEC 31.4 1939 9.9 1985 61 12-03-1998 -23 12-21-1989
 
Annual 50.3 1938 40.6 1917 107 07-14-1936 -32 02-20-1929
Winter 26.8 1998 11.5 1918 61 12-03-1998 -32 02-20-1929
Spring 50.7 1977 38.5 1996 94 05-31-1988 -21 03-01-1962
Summer 74.3 1988 64.1 1915 107 07-14-1936 34 06-08-1913
Fall 54.8 1931 44.0 1976 101 09-02-1913 -7 11-29-1929

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 22.5 30.6 9.9
FEB 0.0 16.4 27.2 5.4
MAR 0.0 7.1 25.8 1.1
APR 0.0 0.5 12.0 0.0
MAY 0.2 0.0 1.3 0.0
JUN 1.7 0.0 0.0 0.0
JUL 3.3 0.0 0.0 0.0
AUG 1.3 0.0 0.0 0.0
SEP 0.1 0.0 0.5 0.0
OCT 0.0 0.0 6.3 0.0
NOV 0.0 5.7 21.3 0.2
DEC 0.0 18.6 29.9 5.4
 
Annual 6.6 70.6 155.1 22.0
Winter 0.0 57.5 87.7 20.7
Spring 0.2 7.7 39.6 1.1
Summer 6.3 0.0 0.0 0.0
Fall 0.1 5.6 27.7 0.2