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
1893 0.00 z 0.00 r 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 z 0.00
1894 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 z 0.00 z 0.00 z 0.00
1895 0.00 0.00 a 0.00 0.00 0.00 z 0.00 z 0.00 z 61.00 75.50 0.00 0.00 z 0.00 z 136.50
1896 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 z 0.00 z 0.00 z 0.00
1897 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 z 0.00 z 0.00 z 0.00
1898 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 z 0.00 z 0.00 z 0.00
1899 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 z 0.00 z 0.00 z 0.00
1900 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 z 0.00 z 0.00 z 0.00
1901 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 z 0.00 z 0.00 z 0.00
1902 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 z 0.00 z 0.00 z 0.00
1903 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 z 0.00 z 0.00 z 0.00
1904 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 z 0.00 z 0.00 z 0.00
1905 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 z 0.00 z 0.00 z 0.00
1906 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 z 0.00 z 0.00 z 0.00
1907 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 z 0.00 z 0.00 z 0.00
1908 0.00 0.00 0.00 a 3.50 7.50 60.00 122.00 95.07 a 120.00 3.00 0.00 b 0.00 411.07
1909 0.00 0.00 0.00 0.00 1.03 a 99.00 82.15 a 127.50 11.54 d 0.00 b 0.00 0.00 a 321.22
1910 0.00 a 0.00 1.66 c 0.00 c 0.00 d 156.00 e 147.00 80.82 c 5.00 4.65 a 0.00 0.00 b 395.13
1911 0.00 i 0.00 0.00 d 0.00 62.00 d 160.50 133.62 b 39.55 b 6.50 0.00 a 0.00 0.00 402.17
1912 0.00 0.00 0.00 0.00 a 14.00 47.50 115.00 30.50 64.44 c 0.53 b 0.00 a 0.00 271.98
1913 0.00 0.00 0.00 3.10 a 9.50 129.50 85.50 95.50 53.50 2.30 d 0.00 c 0.00 378.90
1914 0.00 0.00 0.00 a 0.00 a 25.32 a 48.00 203.50 73.50 31.00 0.50 0.00 0.00 381.82
1915 0.00 0.00 0.00 9.50 1.50 23.50 48.00 20.50 18.00 0.00 0.00 0.00 121.00
1916 0.00 0.00 0.00 a 0.00 c 0.00 a 3.00 257.00 137.00 15.00 a 2.38 e 0.00 0.00 414.38
1917 0.00 a 0.00 b 0.00 c 0.00 4.00 9.64 b 142.50 21.50 8.00 0.00 0.00 0.00 185.64
1918 0.00 0.00 0.00 b 0.00 7.00 3.62 a 82.50 53.22 a 0.00 b 0.00 0.00 0.00 146.34
1919 0.00 b 0.00 0.00 a 0.00 26.00 126.00 103.00 23.50 23.00 0.00 0.00 0.00 b 301.50
1920 0.00 a 0.00 0.00 0.00 a 1.50 81.00 49.50 41.00 26.50 5.00 0.00 0.00 204.50
1921 0.00 0.00 0.00 4.50 36.50 163.50 259.50 57.00 32.50 0.00 0.00 0.00 553.50
1922 0.00 0.00 0.00 0.00 33.50 45.50 50.00 95.50 62.00 12.00 0.00 0.00 298.50
1923 0.00 0.00 0.00 0.00 2.00 130.00 144.00 30.50 16.50 0.00 0.00 0.00 z 323.00
1924 0.00 0.00 b 0.00 0.00 0.00 5.00 60.50 49.50 5.50 0.00 0.00 0.00 a 120.50
1925 0.00 a 0.00 0.00 5.50 6.50 91.50 100.50 96.50 25.00 0.00 0.00 0.00 b 325.50
1926 0.00 0.00 0.00 0.00 a 7.00 14.00 91.50 29.00 7.50 0.00 0.00 c 0.00 a 149.00
1927 0.00 0.00 a 0.00 a 0.00 0.00 a 45.50 56.83 a 3.50 53.50 0.00 a 0.00 0.00 b 159.33
1928 0.00 0.00 a 0.00 0.00 1.00 5.00 110.00 86.50 0.00 a 3.10 a 0.00 0.00 c 205.60
1929 0.00 0.00 0.00 c 0.00 32.55 a 25.18 b 153.97 a 25.83 d 6.35 d 0.00 0.00 0.00 243.87
1930 0.00 a 0.00 0.00 a 0.00 g 58.38 a 0.00 z 140.02 a 91.00 19.50 7.75 c 0.00 c 0.00 316.65
1931 0.00 a 0.00 a 0.00 a 0.00 5.50 123.50 194.00 44.50 h 60.00 c 0.00 g 0.00 d 0.00 383.00
1932 0.00 g 0.00 c 0.00 b 0.00 b 12.40 a 82.00 148.50 92.47 b 1.55 a 0.00 0.00 0.00 b 336.92
1933 0.00 c 0.00 c 0.00 0.00 a 8.00 206.00 181.00 51.50 35.50 0.00 0.00 0.00 a 482.00
1934 0.00 h 0.00 a 0.00 5.50 69.50 93.50 150.00 91.00 3.62 a 3.00 0.00 0.00 c 416.12
1935 0.00 0.00 0.00 5.50 1.50 32.00 271.00 164.00 17.50 0.00 0.00 0.00 491.50
1936 0.00 0.00 0.00 0.00 21.00 19.50 264.50 114.70 a 46.50 0.00 0.00 0.00 b 466.20
1937 0.00 0.00 a 0.00 0.00 14.50 61.00 214.42 a 198.50 50.00 0.00 0.00 0.00 a 538.42
1938 0.00 b 0.00 0.00 b 3.00 1.50 36.50 103.50 114.50 3.50 2.00 0.00 b 0.00 264.50
1939 0.00 a 0.00 0.00 1.00 24.00 67.00 150.00 93.00 59.50 0.00 0.00 a 0.00 a 394.50
1940 0.00 0.00 0.00 0.00 a 1.50 34.14 a 147.50 89.50 45.50 0.00 0.00 0.00 318.14
1941 0.00 0.00 a 0.00 0.00 17.50 105.50 146.73 a 59.50 25.86 a 0.00 0.00 0.00 355.10
1942 0.00 a 0.00 0.00 1.00 2.58 a 39.50 84.50 60.00 13.00 0.00 0.00 0.00 b 200.58
1943 0.00 0.00 a 0.00 0.00 a 2.50 105.52 a 155.00 13.00 s 10.18 b 0.00 0.00 a 0.00 d 273.20
1944 0.00 d 0.00 b 0.00 c 0.00 c 31.55 c 78.50 29.50 i 127.10 a 13.45 a 0.00 0.00 0.00 250.60
1945 0.00 0.00 0.00 a 1.00 0.00 27.00 71.50 80.50 48.50 0.00 0.00 0.00 228.50
1946 0.00 0.00 0.00 0.00 0.50 64.00 96.50 57.00 12.00 2.07 a 0.00 0.00 232.07
1947 0.00 0.00 0.00 0.00 1.50 29.50 125.50 279.50 69.50 18.00 0.00 0.00 a 523.50
1948 0.00 0.00 0.00 6.00 4.00 27.50 107.50 119.35 a 50.00 0.00 0.00 0.00 314.35
1949 0.00 0.00 0.00 0.00 20.00 103.50 143.00 114.50 1.00 2.00 0.00 0.00 384.00
1950 0.00 0.00 0.00 0.00 6.50 56.50 54.50 25.50 4.50 0.00 0.00 0.00 147.50
1951 0.00 0.00 0.00 0.00 6.50 8.00 69.15 e 22.00 0.52 a 0.00 0.00 b 0.00 a 106.17
1952 0.00 n 0.00 a 0.00 10.00 3.50 71.67 c 137.00 39.00 40.00 0.00 0.00 b 0.00 301.17
1953 0.00 0.00 0.00 0.00 b 14.50 63.00 69.50 102.50 28.97 a 7.00 0.00 a 0.00 285.47
1954 0.00 0.00 0.00 0.00 2.50 92.50 99.50 32.50 1.55 a 0.00 0.00 0.00 228.55
1955 0.00 0.00 0.00 0.00 24.00 60.50 278.00 200.00 26.50 1.50 0.00 0.00 590.50
1956 0.00 0.00 0.00 0.00 9.50 130.50 56.50 89.50 6.00 5.50 0.00 0.00 297.50
1957 0.00 0.00 0.00 0.00 4.50 63.00 185.50 106.43 a 22.24 a 0.00 0.00 0.00 381.67
1958 0.00 0.00 0.00 3.00 6.50 25.00 82.50 115.00 18.00 0.00 0.00 0.00 250.00
1959 0.00 0.00 0.00 0.00 49.08 a 100.00 144.00 180.00 42.00 0.00 0.00 0.00 515.08
1960 0.00 0.00 0.00 0.00 0.00 19.00 116.50 126.50 71.50 0.00 0.00 0.00 333.50
1961 0.00 0.00 0.00 0.00 4.00 95.50 125.50 115.50 63.00 1.00 0.00 0.00 404.50
1962 0.00 0.00 0.00 6.00 63.50 46.00 57.50 91.50 9.00 6.00 0.00 0.00 279.50
1963 0.00 0.00 0.00 0.00 4.50 134.50 163.50 73.00 11.00 13.50 0.00 0.00 400.00
1964 0.00 0.00 0.00 0.00 35.50 100.00 201.50 84.50 13.00 0.00 0.00 0.00 434.50
1965 0.00 0.00 0.00 0.00 28.50 41.50 79.00 82.50 4.00 5.00 0.00 0.00 240.50
1966 0.00 0.00 0.00 0.00 6.50 121.50 229.00 67.50 32.00 0.00 0.00 0.00 456.50
1967 0.00 0.00 0.00 0.00 10.00 46.50 100.50 54.50 13.00 3.00 0.00 0.00 227.50
1968 0.00 0.00 0.00 0.50 1.00 88.00 130.00 150.00 14.00 22.00 0.00 0.00 405.50
1969 0.00 0.00 0.00 0.00 36.50 7.50 131.00 170.50 42.00 0.00 0.00 0.00 387.50
1970 0.00 0.00 0.00 5.00 10.00 87.00 178.50 96.00 23.50 0.50 0.00 0.00 400.50
1971 0.00 0.00 0.00 0.00 0.00 126.00 46.00 46.00 45.00 6.00 0.00 0.00 269.00
1972 0.00 0.00 0.00 0.00 35.50 23.50 81.00 84.50 0.00 0.00 0.00 0.00 224.50
1973 0.00 0.00 0.00 0.00 0.00 29.00 90.50 111.00 38.00 0.00 0.00 0.00 268.50
1974 0.00 0.00 0.00 0.00 7.00 12.00 134.00 29.50 0.00 0.00 0.00 0.00 182.50
1975 0.00 0.00 0.00 0.00 44.50 85.00 209.00 91.50 1.50 0.50 0.00 0.00 432.00
1976 0.00 0.00 0.00 4.50 0.00 71.00 144.50 106.50 28.00 1.00 0.00 0.00 a 355.50
1977 0.00 0.00 0.00 0.00 81.50 32.50 168.50 22.00 1.00 0.00 0.00 0.00 305.50
1978 0.00 0.00 0.00 0.00 25.12 b 46.50 66.00 85.00 69.11 b 0.00 0.00 0.00 291.73
1979 0.00 0.00 0.00 0.00 0.50 0.00 p 109.50 53.50 17.50 0.00 0.00 0.00 181.00
1980 0.00 0.00 0.00 a 4.00 21.00 48.00 0.00 z 63.00 1.50 0.00 0.00 0.00 a 137.50
1981 0.00 0.00 0.00 0.00 2.07 a 19.00 96.50 87.83 a 0.50 0.00 0.00 0.00 205.90
1982 0.00 0.00 0.00 0.00 18.00 4.50 131.00 51.00 18.00 0.00 0.00 0.00 222.50
1983 0.00 0.00 0.00 0.00 0.00 67.50 224.00 154.00 46.50 0.00 0.00 0.00 492.00
1984 0.00 0.00 0.00 0.00 0.00 a 0.00 z 90.00 119.50 0.00 0.00 e 0.00 0.00 c 209.50
1985 0.00 0.00 0.00 e 6.50 4.59 d 26.00 48.50 37.00 32.50 0.00 0.00 c 0.00 a 155.09
1986 0.00 0.00 0.00 6.21 a 23.00 11.50 109.50 21.50 10.00 0.00 0.00 0.00 181.71
1987 0.00 0.00 0.00 3.50 23.00 110.50 186.00 80.50 13.50 0.00 0.00 a 0.00 417.00
1988 0.00 a 0.00 0.00 a 0.00 30.50 115.00 190.50 175.00 15.00 0.00 0.00 0.00 526.00
1989 0.00 0.00 0.00 0.00 0.00 z 34.50 153.00 91.00 12.50 2.50 0.00 0.00 293.50
1990 0.00 0.00 0.00 19.50 0.00 42.50 75.50 50.00 27.00 0.00 0.00 0.00 214.50
1991 0.00 0.00 0.00 0.00 52.50 101.50 98.50 120.50 20.50 0.00 0.00 0.00 393.50
1992 0.00 a 0.00 0.00 0.00 12.00 30.50 19.50 43.00 2.00 0.00 0.00 0.00 107.00
1993 0.00 0.00 0.00 0.00 11.50 21.00 66.50 106.50 0.50 0.00 0.00 0.00 206.00
1994 0.00 0.00 0.00 0.00 19.00 93.00 66.00 47.50 22.50 0.00 0.00 0.00 248.00
1995 0.00 0.00 0.00 0.00 0.00 166.50 139.00 150.50 26.50 4.50 0.00 0.00 487.00
1996 0.00 0.00 0.00 0.00 4.00 55.50 37.20 a 70.00 27.50 0.00 0.00 0.00 194.20
1997 0.00 0.00 0.00 0.00 0.00 73.50 98.50 47.50 7.50 3.50 0.00 0.00 230.50
1998 0.00 0.00 0.00 0.00 31.00 80.50 122.50 133.00 72.50 0.00 0.00 0.00 439.50
1999 0.00 0.00 a 0.00 0.00 8.50 98.50 225.50 63.50 41.00 0.00 0.00 0.00 437.00
2000 0.00 0.00 0.00 0.00 29.50 30.00 96.50 90.00 8.50 0.00 0.00 0.00 254.50
2001 0.00 0.00 0.00 0.00 4.65 a 105.52 a 142.50 159.00 18.50 0.00 0.00 0.00 430.17
2002 0.00 0.00 0.00 8.50 16.00 104.50 233.00 79.00 40.50 1.00 0.00 0.00 482.50
2003 0.00 0.00 0.00 3.50 0.00 39.00 98.00 147.50 41.50 0.00 0.00 0.00 329.50
2004 0.00 0.00 0.00 0.00 4.50 41.00 91.00 29.00 58.00 0.00 0.00 0.00 223.50
2005 0.00 0.00 0.00 0.00 1.50 138.50 199.50 117.50 64.50 16.00 0.00 0.00 537.50
2006 0.00 0.00 0.00 0.00 46.50 65.50 227.00 92.00 29.00 f 0.00 0.00 z 0.00 431.00
2007 0.00 0.00 0.00 0.00 23.50 80.00 0.00 z 117.50 59.00 17.50 0.00 0.00 297.50
2008 0.00 0.00 0.00 0.00 0.00 34.50 104.50 67.00 27.50 0.00 0.00 0.00 233.50
2009 0.00 0.00 0.00 0.00 10.00 78.50 22.00 59.00 17.00 0.00 0.00 0.00 186.50
2010 0.00 0.00 0.00 0.00 55.50 51.00 166.50 167.00 4.00 0.00 0.00 0.00 444.00
2011 0.00 0.00 0.00 0.00 5.50 53.00 247.00 60.00 p 14.50 3.50 0.00 0.00 323.50
2012 0.00 0.00 1.50 0.00 11.50 68.50 163.50 45.00 18.00 0.00 j 0.00 z 0.00 z 308.00
Period of Record Statistics
MEAN 0.00 0.00 0.03 1.24 15.07 66.47 129.40 86.48 25.79 1.82 0.00 0.00 320.04
S.D. 0.00 0.00 0.22 2.90 17.96 43.62 60.18 47.84 22.96 4.12 0.00 0.00 122.12
SKEW 0.00 0.00 7.10 3.36 1.55 0.66 0.55 0.94 1.14 3.07 0.00 0.00 0.21
MAX 0.00 0.00 1.66 19.50 81.50 206.00 278.00 279.50 120.00 22.00 0.00 0.00 590.50
MIN 0.00 0.00 0.00 0.00 0.00 3.00 19.50 3.50 0.00 0.00 0.00 0.00 106.17
NO YRS 102 106 106 105 104 102 102 103 105 104 103 103 88