date! ,

Monthly Total Cooling Degree Days

(a vali)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1914 0.00 0.00 30.50 4.50 0.00 8.50 0.00 3.00 21.00 18.50 0.50 0.00 86.50
1915 0.00 0.00 9.00 0.00 2.50 11.50 4.50 16.50 6.50 20.00 0.00 0.00 70.50
1916 0.00 0.00 1.50 7.00 0.00 0.00 11.00 5.50 22.50 0.00 0.00 0.00 47.50
1917 0.00 0.00 0.00 0.00 0.00 12.50 16.00 0.00 70.00 53.00 0.00 0.00 151.50
1918 0.00 0.00 0.00 13.50 0.00 4.00 0.00 1.50 7.50 45.50 0.00 0.00 72.00
1919 0.00 0.00 0.00 0.00 3.50 7.50 1.00 1.50 23.50 23.50 0.00 0.00 60.50
1920 0.00 0.00 0.00 0.00 0.50 14.50 0.00 3.00 13.00 2.00 0.00 0.00 33.00
1921 0.00 0.00 0.00 12.50 0.00 31.50 43.50 2.00 42.50 16.00 9.00 0.00 157.00
1922 0.00 0.00 0.00 0.00 14.00 8.00 0.00 6.50 31.00 13.00 0.00 0.00 72.50
1923 0.00 0.00 13.00 0.00 4.00 0.00 3.50 11.50 47.50 28.00 1.50 0.00 109.00
1924 0.00 0.00 0.00 10.50 19.50 8.50 0.00 0.00 28.50 9.00 0.00 0.00 76.00
1925 0.00 0.00 0.00 4.00 3.50 28.00 6.50 10.50 5.50 25.50 0.00 0.00 83.50
1926 0.00 0.00 18.50 22.50 10.50 5.00 9.00 12.50 16.50 27.00 3.50 0.00 125.00
1927 0.00 0.00 0.00 4.00 14.50 26.00 0.00 3.00 6.00 24.50 5.50 0.00 83.50
1928 0.00 0.00 0.00 6.00 0.00 8.00 0.00 0.00 48.50 10.50 0.00 0.00 73.00
1929 0.00 0.00 3.50 0.00 0.50 62.00 10.00 1.50 3.50 48.00 9.00 0.00 138.00
1930 0.00 5.50 20.00 0.50 0.50 0.50 7.00 3.00 3.00 37.50 8.50 0.00 86.00
1931 0.00 0.00 0.00 4.00 42.50 11.00 41.00 16.50 28.50 12.50 4.50 0.00 160.50
1932 0.00 0.00 0.00 0.00 9.50 5.50 0.00 10.00 37.50 12.50 15.50 0.00 90.50
1933 0.00 0.00 0.00 8.50 5.00 0.00 4.00 8.00 6.50 55.00 5.50 0.00 92.50
1934 0.00 0.00 8.00 0.00 11.50 18.00 1.50 10.00 51.00 11.50 1.50 0.00 113.00
1935 0.00 0.00 0.00 9.50 25.50 27.00 8.50 9.50 26.50 6.50 0.00 0.00 113.00
1936 0.00 0.00 3.00 8.50 24.50 4.50 0.00 1.50 46.00 22.00 1.50 0.00 111.50
1937 0.00 0.00 0.00 0.00 0.00 13.50 1.00 6.50 26.00 39.00 0.00 1.00 87.00
1938 0.00 0.00 0.00 1.50 1.00 0.00 0.00 2.00 9.50 9.50 0.00 0.00 23.50
1939 0.00 0.00 2.00 7.00 0.00 0.00 3.00 6.50 112.00 56.00 0.00 0.00 186.50
1940 0.00 0.00 0.00 7.00 0.00 0.00 2.50 3.00 34.50 29.00 0.00 0.00 76.00
1941 0.00 0.00 1.00 0.00 32.50 0.50 0.00 5.00 33.50 21.50 5.50 0.00 99.50
1942 0.00 0.00 0.00 0.00 13.50 9.00 0.00 0.00 12.50 8.00 0.00 0.00 43.00
1943 0.00 0.00 0.00 0.00 27.50 10.00 0.00 10.50 53.00 15.00 0.50 0.00 116.50
1944 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.00 17.00 15.50 0.00 0.00 35.50
1945 0.00 0.00 0.00 1.00 0.00 37.00 0.50 1.00 37.50 12.50 9.00 0.00 98.50
1946 0.00 0.00 0.00 3.00 1.00 4.50 4.00 6.00 50.50 24.50 0.00 0.00 93.50
1947 0.00 0.00 0.00 28.50 8.00 21.00 1.50 13.00 29.50 16.50 0.00 0.00 118.00
1948 0.00 0.00 0.00 0.00 0.00 4.00 4.50 0.50 2.50 11.50 0.00 0.00 23.00
1949 0.00 0.00 0.00 0.00 11.50 25.00 0.00 0.00 30.50 15.50 3.50 0.00 86.00
1950 0.00 0.00 2.50 5.00 4.50 0.00 0.00 7.50 35.00 10.50 18.00 0.00 83.00
1951 0.00 0.00 0.50 0.00 9.00 2.50 0.50 0.00 23.00 20.50 0.50 0.00 56.50
1952 0.00 0.00 14.00 0.00 10.00 0.00 4.00 0.50 27.50 13.00 3.00 0.00 72.00
1953 0.00 0.00 0.50 0.00 13.00 5.00 0.00 0.50 18.50 22.50 0.00 0.00 60.00
1954 0.00 0.00 0.00 0.50 0.50 9.00 8.50 5.50 30.00 12.00 0.00 0.00 66.00
1955 0.00 0.00 0.00 0.00 5.00 7.00 0.00 0.00 9.00 13.50 14.50 0.00 49.00
1956 0.00 0.00 0.00 0.00 12.00 12.00 0.00 0.00 22.50 2.00 8.00 0.00 56.50
1957 0.00 0.00 0.00 8.00 1.00 24.00 1.00 1.50 17.00 3.50 0.00 0.00 56.00
1958 0.00 0.00 0.00 5.00 7.00 2.00 0.00 4.50 96.50 16.00 2.00 0.00 133.00
1959 0.00 0.00 4.00 6.50 0.00 3.00 16.50 26.00 16.00 82.00 8.00 0.00 162.00
1960 0.00 0.00 4.00 2.50 0.00 20.50 0.00 0.00 18.00 20.50 0.00 0.00 65.50
1961 0.00 0.00 0.00 6.00 0.00 25.50 15.00 6.00 48.00 42.50 0.00 0.00 143.00
1962 0.00 0.00 0.00 8.00 0.00 15.00 0.00 6.00 2.50 5.50 4.50 0.00 41.50
1963 0.00 0.00 0.00 0.00 0.00 0.00 9.00 4.00 36.00 8.00 0.00 0.00 57.00
1964 0.00 0.00 0.50 6.50 0.00 6.50 2.50 5.00 67.00 44.50 1.00 0.00 133.50
1965 0.00 0.00 0.00 6.00 0.00 0.00 0.00 11.50 13.50 74.50 0.00 0.00 105.50
1966 0.00 0.00 0.00 10.00 0.00 19.50 0.00 0.50 40.00 31.50 14.00 0.00 115.50
1967 0.00 0.00 0.00 0.00 13.00 0.00 3.50 0.00 28.50 66.00 12.50 0.00 123.50
1968 0.00 0.50 1.50 1.00 0.00 1.50 3.50 21.00 37.00 14.00 0.00 0.00 80.00
1969 0.00 0.00 4.00 0.00 1.00 1.00 0.00 0.00 13.50 17.00 3.00 0.00 39.50
1970 0.00 0.00 4.00 0.00 18.00 1.00 17.00 7.00 80.50 10.00 0.00 0.00 137.50
1971 0.00 0.00 0.00 0.00 0.00 6.50 0.00 5.00 80.50 11.50 0.00 0.00 103.50
1972 0.00 0.00 2.50 0.00 0.50 4.00 21.00 0.00 12.50 18.00 0.00 0.00 58.50
1973 0.00 0.00 0.00 1.00 4.50 41.50 7.50 0.00 33.00 14.50 0.00 0.00 102.00
1974 0.00 0.00 0.00 2.50 4.00 3.00 3.00 2.00 18.00 39.00 0.00 0.00 71.50
1975 0.00 0.00 0.00 0.00 22.00 0.00 3.50 7.00 14.50 4.50 0.00 0.00 51.50
1976 0.00 0.00 0.00 0.00 15.50 79.50 0.00 14.00 36.00 39.00 14.50 0.00 198.50
1977 0.00 0.00 0.00 0.00 0.00 1.00 17.50 16.00 6.50 6.50 0.00 0.00 47.50
1978 0.00 0.00 7.50 1.50 28.50 0.00 0.00 5.50 62.50 44.00 3.00 0.00 152.50
1979 0.00 0.00 0.00 0.00 10.00 12.50 9.50 2.50 67.50 14.00 0.00 0.00 116.00
1980 0.00 0.00 0.00 4.50 0.00 11.50 1.50 2.50 28.00 42.50 2.00 0.00 92.50
1981 0.00 0.00 0.00 13.00 0.50 43.00 5.50 2.50 2.50 4.50 1.50 0.00 73.00
1982 0.00 0.00 0.00 6.00 1.00 0.00 0.00 8.00 15.00 25.00 0.00 0.00 55.00
1983 0.00 0.00 0.00 0.00 14.50 20.00 39.00 44.50 95.00 26.00 0.00 0.00 239.00
1984 0.00 0.00 0.00 4.50 18.50 5.00 41.00 18.50 151.50 13.00 0.00 0.00 252.00
1985 0.00 6.50 0.00 23.00 1.50 26.00 47.00 24.50 13.00 46.50 6.50 0.00 194.50
1986 0.00 6.00 9.50 7.50 5.50 19.50 15.50 0.50 3.00 44.50 11.00 0.00 122.50
1987 0.00 0.00 4.00 10.50 37.50 17.50 4.50 11.00 19.50 65.00 0.00 0.00 169.50
1988 0.00 2.50 4.50 16.50 19.00 10.00 40.00 26.00 27.50 32.50 2.50 0.00 181.00
1989 0.00 0.00 0.00 54.50 7.00 33.50 14.00 11.50 4.50 27.00 1.50 0.00 153.50
1990 0.00 0.00 0.00 4.00 7.50 24.50 16.00 34.00 40.50 37.50 0.50 0.00 164.50
1991 0.00 0.00 0.00 2.50 1.00 4.00 19.50 19.00 23.50 58.00 8.50 0.00 136.00
1992 0.00 2.00 0.00 20.50 11.50 8.00 36.00 21.00 56.00 87.50 8.50 0.00 251.00
1993 0.00 0.00 0.00 0.50 18.00 79.50 30.00 86.00 31.00 46.00 6.00 0.00 297.00
1994 0.00 0.00 5.00 0.00 3.00 20.50 3.50 27.00 21.50 17.00 0.00 0.00 97.50
1995 0.00 0.00 0.00 2.50 0.00 39.00 65.50 39.50 40.50 58.00 3.00 0.00 248.00
1996 0.00 2.50 3.50 38.00 36.00 48.50 32.50 24.00 35.00 52.00 0.00 0.00 272.00
1997 0.00 0.00 6.00 0.50 42.00 1.00 4.00 41.50 89.00 27.50 22.50 0.00 234.00
1998 0.00 0.00 0.00 2.00 0.00 1.00 11.00 11.00 15.50 13.50 0.00 0.00 54.00
1999 0.00 0.00 0.00 16.50 0.00 1.00 4.00 4.50 36.50 38.00 3.00 0.00 103.50
2000 0.00 0.00 7.00 10.50 15.00 26.00 0.00 3.50 58.50 5.50 0.00 0.00 126.00
2001 0.00 0.00 1.00 0.00 39.00 13.00 9.50 0.50 12.50 37.00 1.50 0.00 114.00
2002 0.00 2.00 0.00 0.00 0.00 9.50 4.00 17.50 31.50 33.00 0.50 0.00 98.00
2003 0.00 0.00 6.50 0.00 11.00 34.00 1.50 18.50 73.50 62.50 0.00 0.00 207.50
2004 0.00 0.00 31.50 25.00 1.00 0.00 0.00 19.00 66.50 32.00 0.00 0.00 175.00
2005 0.00 0.00 1.00 0.00 0.00 0.00 5.17 a 8.00 4.00 6.50 10.50 0.00 35.17
2006 0.00 0.00 0.00 0.00 3.00 12.50 29.50 0.00 7.50 14.00 0.00 0.00 66.50
2007 0.00 0.00 4.50 0.00 22.00 10.00 0.50 11.00 28.00 14.50 0.50 0.00 91.00
2008 0.00 0.00 0.00 8.00 32.00 32.50 9.50 15.00 49.50 45.00 14.50 0.00 206.00
2009 0.00 0.00 0.00 23.00 10.50 3.00 6.50 29.00 33.00 8.00 6.00 0.00 119.00
2010 0.00 0.00 3.00 0.00 0.00 7.00 0.00 25.50 52.50 31.50 16.50 0.00 136.00
2011 0.00 3.50 7.50 2.50 3.00 9.00 4.00 0.00 25.00 35.50 0.00 0.00 90.00
2012 0.00 0.00 0.00 a 3.00 0.50 9.00 0.00 0.50 2.00 37.00 8.50 p 0.00 l 52.00
2013 0.00 b 0.00 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.31 2.50 5.38 8.35 13.21 8.36 9.68 32.77 26.66 3.24 0.01 111.06
S.D. 0.00 1.15 5.59 8.78 10.96 15.89 12.93 12.62 26.37 19.00 5.03 0.10 59.14
SKEW 0.00 4.10 3.42 2.88 1.49 2.05 2.15 2.91 1.63 0.99 1.72 9.75 1.03
MAX 0.00 6.50 31.50 54.50 42.50 79.50 65.50 86.00 151.50 87.50 22.50 1.00 297.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.00 0.00 0.00 0.00 23.00
NO YRS 100 100 100 99 99 99 99 99 99 99 98 98 98