Historical Climate Data

Temperature Summary
Station: 470124 ALMA DAM 4, WI

1971-2000 NCDC Normals

 ElementJAN  FEB  MAR  APR MAY  JUN  JUL  AUG SEP  OCT  NOV  DEC ANN
 Max °F 23.4 30.3 41.8 57.370.0 78.6 82.5 79.870.7 58.3 40.6 27.355.1
 Min °F 7.3  13.7 25.6 38.350.3 59.3 64.2 62.353.7 42.3 28.4 14.638.3
 Mean °F15.4 22.0 33.7 47.860.2 69.0 73.4 71.162.2 50.3 34.5 21.046.7
 HDD
 base 651539 1205 970  520 208  32   8    18  131  460  915  13667372
 CDD
 base 650    0    0    5   58   151  267  205 47   3    0    0   736

Temperature Extremes
Period of Record: 1949-2001

       High        Low        1-Day            1-Day
 Month Mean°F Year Mean°F YearMax°F Date       Min°F Date
 JAN   27.7   1990 1.6    197755    01-25-1981 -38   01-31-1996
 FEB   33.0   1998 9.3    197962    02-26-2000 -35   02-03-1996
 MAR   41.3   2000 23.6   196580    03-29-1986 -27   03-01-1962
 APR   54.9   1977 38.1   195089    04-30-1952 7     04-04-1995
 MAY   68.5   1977 53.9   195492    05-27-1969 24    05-03-1967
 JUN   73.7   1956 62.2   1969101   06-11-1956 36    06-17-2000
 JUL   78.0   1955 67.4   1992100   07-21-1983 43    07-20-1970
 AUG   76.3   1995 66.7   1950101   08-07-2001 42    08-20-1950
 SEP   67.9   1998 56.9   196597    09-07-1978 25    09-26-1984
 OCT   61.8   1963 45.3   198891    10-04-1997 18    10-30-1988
 NOV   48.5   2001 27.4   199178    11-01-1950 -10   11-26-1977
 DEC   32.1   1959 6.6    198364    12-02-1982 -32   12-24-1983

 Annual50.8   1987 42.5   1982101   06-11-1956 -38   01-31-1996
 Winter27.6   1998 9.3    197964    12-02-1982 -38   01-31-1996
 Spring54.3   1977 39.7   195092    05-27-1969 -27   03-01-1962
 Summer75.0   1988 66.9   1992101   06-11-1956 36    06-17-1900
 Fall  56.1   1963 45.5   197697    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.

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

 Annual7.8        68.1       148.1      25.7
 Winter0.0        55.5       87.2       23.8
 Spring0.1        6.3        32.4       1.3
 Summer7.6        0.0        0.0        0.0
 Fall  0.2        5.9        27.8       0.4