Historical Climate Data

Temperature Summary
Station: 470265 APPLETON, WI

1971-2000 NCDC Normals

 ElementJAN  FEB  MAR  APR MAY  JUN  JUL  AUG SEP  OCT  NOV  DEC ANN
 Max °F 24.1 29.4 40.2 54.468.3 77.1 81.4 78.770.2 57.5 41.9 28.954.3
 Min °F 7.8  12.7 22.8 34.646.5 56.2 61.7 60.051.2 39.7 27.3 14.436.2
 Mean °F16.0 21.1 31.5 44.557.4 66.7 71.6 69.460.7 48.6 34.6 21.745.3
 HDD
 base 651520 1230 1039 617 281  62   15   30  161  509  913  13447721
 CDD
 base 650    0    0    1   45   111  217  164 32   2    0    0   572

Temperature Extremes
Period of Record: 1901-2001

       High        Low        1-Day            1-Day
 Month Mean°F Year Mean°F YearMax°F Date       Min°F Date
 JAN   26.9   1990 0.1    191255    01-27-1944 -30   01-30-1951
 FEB   31.3   1998 3.9    193659    02-23-1930 -32   02-20-1929
 MAR   42.1   1910 22.3   196080    03-29-1910 -21   03-01-1962
 APR   53.1   1915 36.6   190789    04-22-1980 7     04-06-1979
 MAY   69.2   1911 49.3   190794    05-31-1988 23    05-04-1905
 JUN   72.7   1911 59.5   1969101   06-20-1988 34    06-08-1913
 JUL   78.3   1916 66.8   1992107   07-14-1936 41    07-31-1903
 AUG   77.5   1947 63.7   1927103   08-16-1988 35    08-27-1915
 SEP   67.4   1908 54.4   1993101   09-02-1913 25    09-30-1993
 OCT   60.0   1947 38.7   191789    10-06-1963 15    10-19-1992
 NOV   43.0   1931 26.1   199573    11-01-1935 -7    11-29-1929
 DEC   31.4   1939 9.9    198561    12-03-1998 -23   12-21-1989

 Annual50.3   1938 40.6   1917107   07-14-1936 -32   02-20-1929
 Winter26.8   1998 11.5   191861    12-03-1998 -32   02-20-1929
 Spring50.7   1977 38.5   199694    05-31-1988 -21   03-01-1962
 Summer74.3   1988 64.1   1915107   07-14-1936 34    06-08-1913
 Fall  54.8   1931 44.0   1976101   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.

       # Days     # Days     # Days     # Days
 Month Max ? 90°F Max ? 32°F Min ? 32°F 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

 Annual6.6        70.6       155.1      22.0
 Winter0.0        57.5       87.7       20.7
 Spring0.2        7.7        39.6       1.1
 Summer6.3        0.0        0.0        0.0
 Fall  0.1        5.6        27.7       0.2