date! ,

Monthly Total Cooling Degree Days

(a vali)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1922 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 53.00 3.50 0.00 0.00 56.50
1923 0.00 0.00 a 0.00 0.50 0.00 123.00 98.50 27.50 12.00 0.00 0.00 c 0.00 261.50
1924 0.00 0.00 0.00 0.00 0.00 1.50 32.50 51.50 0.50 0.00 a 0.00 z 0.00 z 86.00
1925 0.00 z 0.00 r 0.00 2.00 10.50 68.00 57.50 i 67.00 24.50 0.00 0.00 0.00 172.00
1926 0.00 0.00 0.00 0.00 0.00 4.50 66.50 41.00 0.50 0.00 0.00 0.00 112.50
1927 0.00 0.00 0.00 0.00 0.00 42.50 38.50 5.00 47.00 0.00 a 0.00 0.00 133.00
1928 0.00 0.00 a 0.00 0.00 0.00 1.50 72.00 60.50 0.00 4.50 0.00 0.00 138.50
1929 0.00 0.00 0.00 0.00 30.00 41.00 74.00 34.50 53.00 0.00 0.00 0.00 232.50
1930 0.00 0.00 0.00 0.00 19.00 32.50 78.00 70.50 18.50 5.00 0.00 0.00 a 223.50
1931 0.00 0.00 0.00 0.00 8.00 109.50 126.50 39.50 71.50 3.00 0.00 0.00 358.00
1932 0.00 0.00 0.00 0.00 0.00 59.50 108.00 66.00 0.00 0.00 0.00 0.00 233.50
1933 0.00 0.00 0.00 0.00 10.00 170.00 118.50 0.00 z 21.00 0.00 0.00 0.00 319.50
1934 0.00 0.00 0.00 3.00 33.50 76.50 119.50 47.50 0.00 0.00 0.00 0.00 280.00
1935 0.00 0.00 0.00 0.00 0.00 5.00 165.50 67.00 9.00 0.00 0.00 0.00 246.50
1936 0.00 0.00 0.00 0.00 14.00 9.00 203.50 71.50 13.00 0.00 0.00 0.00 311.00
1937 0.00 0.00 0.00 0.00 18.50 43.50 168.00 179.50 44.50 0.00 0.00 0.00 a 454.00
1938 0.00 0.00 0.00 0.00 0.50 33.00 83.50 91.00 1.00 4.00 0.00 0.00 213.00
1939 0.00 0.00 0.00 0.00 31.50 47.00 119.50 49.50 60.00 0.00 0.00 0.00 307.50
1940 0.00 0.00 0.00 0.00 0.00 18.00 96.00 53.00 31.50 0.00 0.00 0.00 198.50
1941 0.00 0.00 0.00 0.50 27.00 113.50 158.50 69.00 21.00 0.00 0.00 0.00 389.50
1942 0.00 0.00 0.00 0.00 3.00 46.00 73.50 67.50 18.50 0.00 0.00 0.00 208.50
1943 0.00 0.00 0.00 0.00 3.50 111.00 157.00 82.00 10.50 0.00 0.00 0.00 364.00
1944 0.00 0.00 0.00 0.00 32.00 89.00 91.00 139.00 12.50 0.00 0.00 0.00 363.50
1945 0.00 0.00 0.00 0.00 0.00 33.00 55.50 67.50 42.50 0.50 0.00 0.00 199.00
1946 0.00 0.00 0.00 0.00 2.50 54.00 90.00 60.50 9.00 2.00 0.00 0.00 218.00
1947 0.00 0.00 0.00 0.00 0.00 32.50 101.00 240.50 49.00 15.00 0.00 0.00 438.00
1948 0.00 0.00 0.00 0.00 9.50 30.00 95.00 101.00 44.00 0.00 0.00 0.00 279.50
1949 0.00 0.00 0.00 0.00 15.50 104.50 121.00 103.50 0.00 0.00 a 0.00 0.00 b 344.50
1950 0.00 0.00 0.00 b 0.00 2.50 50.00 37.50 22.00 4.00 3.00 0.00 0.00 119.00
1951 0.00 0.00 0.00 0.00 15.50 8.00 76.50 24.50 4.00 0.00 0.00 0.00 128.50
1952 0.00 0.00 0.00 3.00 3.00 57.50 101.00 41.00 49.50 0.00 0.00 0.00 255.00
1953 0.00 0.00 0.00 a 0.00 11.50 41.50 77.00 99.00 37.00 2.50 0.00 0.00 268.50
1954 0.00 0.00 0.00 0.00 0.00 82.00 72.00 25.12 b 0.00 0.00 0.00 0.00 179.12
1955 0.00 0.00 0.00 0.00 15.00 23.50 213.50 158.00 22.00 2.50 0.00 0.00 434.50
1956 0.00 0.00 0.00 0.00 3.50 73.00 20.50 51.00 1.50 5.50 0.00 0.00 155.00
1957 0.00 0.00 0.00 0.00 6.00 47.50 119.00 62.50 15.00 a 0.00 0.00 0.00 250.00
1958 0.00 0.00 0.00 1.00 3.50 12.00 51.50 66.00 8.00 0.00 0.00 0.00 142.00
1959 0.00 0.00 0.00 0.00 16.50 66.00 93.50 122.00 26.00 0.00 0.00 0.00 324.00
1960 0.00 0.00 0.00 0.00 0.00 7.50 56.50 85.00 47.50 0.00 0.00 0.00 196.50
1961 0.00 0.00 0.00 0.00 3.00 43.00 56.50 71.00 42.00 0.00 0.00 0.00 215.50
1962 0.00 0.00 0.00 0.00 41.00 28.50 24.00 50.63 a 2.50 1.50 0.00 0.00 148.13
1963 0.00 0.00 0.00 0.00 0.00 73.00 98.50 28.50 0.00 6.50 0.00 0.00 206.50
1964 0.00 0.00 0.00 0.00 24.00 50.50 112.50 46.00 8.00 0.00 0.00 0.00 241.00
1965 0.00 0.00 0.00 0.00 11.50 20.50 54.00 53.00 0.00 4.50 0.00 0.00 b 143.50
1966 0.00 0.00 0.00 0.00 0.00 64.50 150.00 39.00 12.50 0.00 0.00 0.00 266.00
1967 0.00 0.00 0.00 0.00 2.00 13.00 45.00 19.50 5.00 0.00 0.00 0.00 84.50
1968 0.00 0.00 0.00 0.00 0.00 62.50 80.00 102.50 0.00 z 15.00 0.00 0.00 260.00
1969 0.00 0.00 a 0.00 0.00 26.50 11.50 43.00 60.50 12.00 0.00 0.00 0.00 153.50
1970 0.00 0.00 0.00 9.50 13.50 61.00 134.00 41.00 22.50 0.00 0.00 0.00 281.50
1971 0.00 0.00 0.00 0.00 0.00 79.50 27.00 23.50 42.00 12.00 0.00 0.00 184.00
1972 0.00 0.00 0.00 0.00 5.00 11.50 55.50 56.00 0.00 0.00 0.00 0.00 128.00
1973 0.00 0.00 0.00 0.00 0.00 29.50 80.50 104.00 35.50 0.00 0.00 0.00 249.50
1974 0.00 0.00 0.00 2.50 14.00 6.50 112.50 30.50 0.00 0.00 0.00 0.00 166.00
1975 0.00 0.00 0.00 0.00 32.00 59.00 146.50 51.50 1.00 0.00 a 0.00 0.00 290.00
1976 0.00 0.00 0.00 3.50 0.00 57.50 69.50 92.00 26.00 0.00 0.00 0.00 248.50
1977 0.00 0.00 0.00 4.00 43.50 21.00 158.00 26.50 0.00 a 0.00 0.00 0.00 253.00
1978 0.00 0.00 0.00 0.00 29.00 40.00 64.50 61.50 38.00 0.00 0.00 0.00 233.00
1979 0.00 0.00 0.00 0.00 4.00 20.00 83.00 28.00 17.50 0.00 0.00 0.00 152.50
1980 0.00 0.00 0.00 0.00 7.50 30.50 95.00 57.00 1.50 0.00 0.00 0.00 191.50
1981 0.00 0.00 0.00 0.00 0.50 24.50 68.00 48.50 0.00 0.00 0.00 0.00 141.50
1982 0.00 0.00 0.00 0.00 16.50 0.00 93.50 48.00 13.00 0.00 0.00 0.00 171.00
1983 0.00 0.00 0.00 0.00 0.00 48.00 176.00 106.00 40.00 0.00 0.00 0.00 370.00
1984 0.00 0.00 0.00 0.00 0.00 30.00 34.50 82.00 2.50 0.00 0.00 0.00 149.00
1985 0.00 0.00 0.00 8.50 2.50 13.50 27.50 19.50 20.50 0.00 0.00 0.00 92.00
1986 0.00 0.00 0.00 3.50 13.50 20.00 92.00 16.50 6.50 0.00 0.00 0.00 152.00
1987 0.00 0.00 0.00 0.00 24.50 64.50 113.00 40.50 8.00 0.00 0.00 0.00 250.50
1988 0.00 a 0.00 0.00 0.00 12.50 64.50 79.50 100.50 5.50 0.00 0.00 0.00 262.50
1989 0.00 0.00 0.00 0.00 0.00 14.00 72.50 42.00 0.00 0.00 0.00 0.00 128.50
1990 0.00 0.00 0.00 16.50 0.00 17.00 39.50 20.00 4.50 0.00 0.00 z 0.00 z 97.50
1991 0.00 z 0.00 z 0.00 0.00 35.00 48.50 57.50 69.50 13.00 0.00 0.00 0.00 223.50
1992 0.00 0.00 0.00 0.00 6.00 8.50 0.50 10.00 0.00 0.00 0.00 0.00 25.00
1993 0.00 0.00 0.00 0.00 1.50 7.00 42.00 46.50 0.00 0.00 0.00 0.00 97.00
1994 0.00 0.00 0.00 0.00 10.00 43.00 26.50 4.00 9.50 0.00 0.00 0.00 93.00
1995 0.00 0.00 0.00 0.00 0.00 101.00 60.00 95.00 8.00 0.00 0.00 0.00 264.00
1996 0.00 0.00 0.00 0.00 4.50 39.00 19.00 25.50 10.00 0.00 0.00 0.00 98.00
1997 0.00 0.00 0.00 0.00 0.00 38.00 52.00 10.50 1.50 3.00 0.00 0.00 105.00
1998 0.00 0.00 0.00 0.00 15.00 37.50 44.00 47.00 24.00 0.00 0.00 0.00 167.50
1999 0.00 0.00 0.00 0.00 3.50 55.00 115.00 11.50 21.00 0.00 0.00 0.00 206.00
2000 0.00 0.00 0.00 0.00 11.00 5.50 27.50 19.50 13.97 a 0.00 0.00 0.00 77.47
2001 0.00 0.00 0.00 0.00 0.00 b 76.00 65.50 82.00 4.50 0.00 0.00 0.00 228.00
2002 0.00 0.00 0.00 z 7.50 4.00 51.00 150.50 25.00 23.00 0.00 0.00 0.00 261.00
2003 0.00 0.00 0.00 z 0.00 0.00 24.00 33.00 57.50 19.50 0.00 0.00 0.00 134.00
2004 0.00 0.00 0.00 0.00 3.50 15.00 31.00 7.50 0.00 z 0.00 0.00 0.00 57.00
2005 0.00 0.00 0.00 0.00 0.00 66.00 81.50 49.00 13.00 6.50 0.00 0.00 216.00
2006 0.00 0.00 0.00 0.00 21.00 28.00 103.50 34.50 0.00 0.00 0.00 0.00 187.00
2007 0.00 0.00 0.00 z 0.00 12.00 29.50 78.00 60.50 31.50 5.50 0.00 0.00 a 217.00
2008 0.00 0.00 0.00 0.00 0.00 23.00 41.00 13.00 7.50 0.00 0.00 0.00 84.50
2009 0.00 0.00 0.00 0.00 8.00 25.50 1.00 22.50 0.00 0.00 0.00 0.00 57.00
2010 0.00 0.00 0.00 0.00 33.50 27.00 80.50 82.50 4.00 0.00 0.00 0.00 227.50
2011 0.00 0.00 0.00 0.00 2.00 20.50 103.00 23.00 8.00 1.00 0.00 0.00 157.50
2012 0.00 0.00 0.00 0.00 9.50 43.50 106.00 30.50 14.46 b 0.00 j 0.00 z 0.00 z 203.96
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.73 9.47 42.87 83.52 57.31 16.57 1.18 0.00 0.00 212.71
S.D. 0.00 0.00 0.00 2.40 11.30 31.63 44.38 39.01 17.26 2.91 0.00 0.00 91.63
SKEW 0.00 0.00 0.00 4.45 1.23 1.22 0.60 1.75 1.09 3.24 0.00 0.00 0.53
MAX 0.00 0.00 0.00 16.50 43.50 170.00 213.50 240.50 71.50 15.00 0.00 0.00 454.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.50 4.00 0.00 0.00 0.00 0.00 25.00
NO YRS 88 88 87 90 90 90 89 89 89 90 88 88 79