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 0.00 0.00 0.00 10.50 164.00 258.73 e 0.00 z 43.27 d 2.50 0.00 z 0.00 d 479.00
1894 0.00 a 0.00 0.00 0.00 b 18.27 c 0.00 z 160.50 q 195.96 c 141.00 e 0.00 c 0.00 c 0.00 355.23
1895 0.00 i 0.00 0.00 z 0.00 a 137.50 155.50 n 0.00 z 121.50 o 199.50 0.00 0.00 0.00 337.00
1896 0.00 0.00 0.00 13.00 67.50 93.75 b 0.00 z 178.85 e 15.00 0.00 0.00 n 0.00 b 368.10
1897 0.00 0.00 0.00 0.00 11.50 78.00 255.50 84.00 140.50 0.00 z 0.00 z 0.00 a 569.50
1898 0.00 z 0.00 z 0.00 z 0.00 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 b 0.00 0.00 0.00
1899 0.00 0.00 0.00 34.00 36.00 0.00 z 236.00 280.50 43.50 4.50 0.00 0.00 634.50
1900 0.00 0.00 0.00 0.00 24.00 0.00 z 0.00 z 0.00 z 92.78 c 0.00 z 0.00 0.00 z 116.78
1901 0.00 b 0.00 z 0.00 a 16.50 20.67 a 149.44 c 376.13 a 0.00 z 59.42 d 0.00 z 0.00 g 0.00 u 622.17
1902 0.00 d 0.00 0.00 q 0.00 z 21.50 f 83.40 e 211.50 76.43 b 16.55 a 0.00 c 0.00 i 0.00 f 387.88
1903 0.00 d 0.00 b 1.00 0.00 a 40.54 e 56.00 211.46 c 0.00 z 11.50 j 2.50 0.00 0.00 311.50
1904 0.00 a 0.00 a 0.00 0.00 19.24 b 0.00 z 168.78 d 94.07 b 29.50 6.50 0.00 0.00 b 318.09
1905 0.00 r 0.00 0.00 0.00 b 0.00 a 130.34 a 133.54 e 162.48 b 46.03 a 5.54 c 0.00 e 0.00 477.94
1906 0.00 0.00 a 0.00 b 0.00 d 26.87 a 86.90 a 146.73 a 239.73 a 118.45 a 0.00 b 0.00 0.00 e 618.68
1907 0.00 b 0.00 0.00 0.00 3.50 100.96 d 160.50 97.43 c 63.89 c 0.00 0.00 0.00 a 426.28
1908 0.00 0.00 0.00 h 0.00 24.80 a 109.50 214.50 154.00 186.50 6.56 e 0.00 a 0.00 695.86
1909 0.00 b 0.00 0.00 0.00 a 3.00 117.41 a 185.00 184.81 e 34.66 a 0.00 a 0.00 a 0.00 a 524.88
1910 0.00 0.00 5.50 0.00 1.15 d 206.40 e 274.50 182.00 16.07 b 4.00 0.00 0.00 689.62
1911 0.00 0.00 0.00 0.00 59.86 b 198.50 228.50 126.50 33.50 0.00 0.00 0.00 646.86
1912 0.00 0.00 0.00 0.00 23.50 87.00 214.42 a 67.00 96.50 2.50 0.00 0.00 490.92
1913 0.00 a 0.00 0.00 4.00 14.43 b 162.50 157.50 138.50 87.00 2.50 0.00 0.00 566.43
1914 0.00 0.00 0.00 2.50 49.50 85.34 a 236.24 b 154.00 42.32 b 5.00 0.00 k 0.00 d 574.91
1915 0.00 0.00 0.00 33.50 3.50 27.50 86.00 49.00 28.00 0.00 0.00 0.00 227.50
1916 0.00 0.00 0.00 f 0.00 13.00 30.50 428.50 256.50 61.55 a 10.00 0.00 0.00 a 800.05
1917 0.00 0.00 0.00 0.00 10.00 35.00 229.00 119.00 12.41 a 0.00 0.00 0.00 405.41
1918 0.00 b 0.00 0.00 0.00 52.00 82.50 186.00 265.50 13.50 18.00 0.00 0.00 617.50
1919 0.00 0.00 0.00 0.00 34.00 249.50 293.00 135.00 78.00 6.00 0.00 0.00 795.50
1920 0.00 0.00 0.00 0.00 5.50 161.00 135.00 115.00 90.50 31.00 0.00 0.00 538.00
1921 0.00 0.00 1.50 7.50 104.50 270.00 437.50 204.50 104.00 0.00 0.00 0.00 1129.50
1922 0.00 a 0.00 a 0.00 0.00 46.00 86.00 48.50 j 162.50 81.00 26.50 0.00 0.00 a 402.00
1923 0.00 0.00 0.00 0.50 11.50 220.00 253.00 143.50 48.50 0.00 0.00 0.00 e 677.00
1924 0.00 c 0.00 0.00 0.00 0.00 60.00 157.50 172.50 15.00 2.00 0.00 0.00 407.00
1925 0.00 d 0.00 0.00 8.00 18.50 153.10 a 169.00 161.00 124.50 0.00 0.00 0.00 634.10
1926 0.00 0.00 0.00 2.00 19.00 31.50 178.00 135.50 31.00 4.50 0.00 0.00 401.50
1927 0.00 0.00 0.00 0.00 4.00 74.50 142.50 52.00 140.50 2.50 0.00 0.00 416.00
1928 0.00 0.00 0.00 0.00 a 10.33 a 25.00 186.50 179.00 17.07 a 14.50 0.00 0.00 432.40
1929 0.00 0.00 0.00 3.00 45.50 78.00 213.50 111.50 59.46 b 0.00 0.00 0.00 a 510.96
1930 0.00 0.00 0.00 0.00 40.00 124.00 245.50 217.50 75.50 19.00 0.00 0.00 721.50
1931 0.00 0.00 0.00 0.00 17.00 226.50 329.50 171.00 168.00 5.00 0.00 0.00 917.00
1932 0.00 0.00 0.00 0.00 22.00 155.00 243.00 203.00 36.50 3.50 0.00 0.00 663.00
1933 0.00 0.00 0.00 0.00 43.00 299.00 261.00 126.00 125.00 0.00 0.00 0.00 854.00
1934 0.00 0.00 0.00 1.00 105.00 205.00 236.50 153.00 25.00 3.50 0.00 0.00 729.00
1935 0.00 0.00 b 0.00 a 2.50 0.50 47.00 338.50 216.50 49.50 0.00 0.00 0.00 654.50
1936 0.00 0.00 0.00 0.00 70.50 60.50 366.00 254.00 114.50 0.00 0.00 0.00 865.50
1937 0.00 0.00 0.00 0.00 29.50 93.00 271.00 338.00 126.00 2.50 0.00 0.00 860.00
1938 0.00 0.00 0.00 7.50 27.00 81.00 211.50 240.50 23.00 14.47 a 1.50 0.00 606.47
1939 0.00 0.00 0.00 5.00 48.50 116.50 276.00 170.00 134.00 0.00 0.00 0.00 750.00
1940 0.00 0.00 0.00 0.00 10.50 108.50 275.50 193.00 81.00 1.50 0.00 0.00 670.00
1941 0.00 0.00 0.00 11.00 62.00 169.00 285.00 212.50 93.00 0.00 0.00 0.00 832.50
1942 0.00 0.00 0.00 8.00 15.00 106.50 212.00 174.50 78.50 0.00 0.00 0.00 594.50
1943 0.00 0.00 0.00 0.00 14.00 207.50 269.00 225.50 12.50 2.50 0.00 0.00 731.00
1944 0.00 0.00 0.00 0.00 71.00 184.50 212.50 258.50 55.50 2.50 0.00 0.00 784.50
1945 0.00 0.00 0.00 7.00 5.50 82.76 a 157.50 192.00 84.50 1.50 0.00 0.00 530.76
1946 0.00 0.00 0.00 5.00 3.50 130.00 209.00 131.50 47.50 15.00 0.00 0.00 541.50
1947 0.00 0.00 0.00 0.00 4.50 76.00 181.50 374.50 151.50 56.00 0.00 0.00 844.00
1948 0.00 0.00 0.00 11.00 9.50 92.00 247.00 220.50 126.50 0.00 0.00 0.00 706.50
1949 0.00 0.00 0.00 0.00 54.50 227.00 295.00 228.50 10.00 18.50 0.00 0.00 833.50
1950 0.00 0.00 0.00 0.00 17.00 115.00 143.50 87.00 8.50 10.50 0.00 0.00 381.50
1951 0.00 0.00 0.00 3.00 38.00 44.50 180.50 88.50 29.00 5.50 0.00 0.00 389.00
1952 0.00 0.00 0.00 5.50 21.50 150.50 278.00 148.50 85.50 0.00 0.00 0.00 689.50
1953 0.00 0.00 0.00 0.00 31.50 164.50 244.50 192.00 66.00 27.50 0.00 0.00 726.00
1954 0.00 0.00 0.00 0.00 8.00 177.00 200.50 116.00 45.50 0.00 0.00 0.00 547.00
1955 0.00 0.00 0.00 0.00 22.50 79.50 335.00 297.50 78.50 1.50 0.00 0.00 814.50
1956 0.00 0.00 0.00 0.00 21.50 165.00 98.00 140.50 17.50 4.50 0.00 0.00 447.00
1957 0.00 0.00 0.00 3.50 4.00 100.50 217.50 143.00 34.00 0.00 a 0.00 0.00 502.50
1958 0.00 0.00 0.00 3.50 13.00 35.00 130.00 190.50 40.00 0.00 0.00 0.00 412.00
1959 0.00 a 0.00 0.00 0.00 55.00 126.50 189.00 273.50 95.00 0.00 0.00 0.00 739.00
1960 0.00 0.00 0.00 9.50 4.00 37.50 145.00 183.50 96.50 1.50 0.00 0.00 477.50
1961 0.00 0.00 0.00 0.00 6.50 104.00 180.50 164.00 104.00 1.00 0.00 0.00 560.00
1962 0.00 0.00 0.00 10.00 86.00 93.50 98.00 158.50 26.50 12.50 0.00 0.00 485.00
1963 0.00 0.00 0.00 0.00 12.00 171.50 251.00 127.00 30.00 28.50 0.00 0.00 620.00
1964 0.00 0.00 0.00 1.50 55.00 164.50 253.00 126.00 44.00 0.00 0.00 0.00 644.00
1965 0.00 0.00 0.00 0.00 55.00 71.50 161.50 120.50 26.50 5.00 0.00 0.00 440.00
1966 0.00 0.00 0.00 0.00 9.50 166.00 285.50 120.00 33.00 3.50 0.00 0.00 617.50
1967 0.00 0.00 0.00 0.00 14.00 93.50 151.00 76.50 43.50 12.00 0.00 0.00 390.50
1968 0.00 0.00 0.00 1.50 2.50 115.00 181.50 197.00 39.00 26.50 0.00 0.00 563.00
1969 0.00 0.00 0.00 0.00 37.00 33.50 177.50 232.00 60.00 7.00 0.00 0.00 547.00
1970 0.00 0.00 0.00 15.00 40.00 158.50 259.50 199.50 66.50 4.00 0.00 0.00 743.00
1971 0.00 0.00 0.00 0.00 4.50 204.00 154.00 126.00 117.50 22.50 0.00 0.00 628.50
1972 0.00 0.00 0.00 0.00 65.00 60.50 188.50 169.00 17.00 0.00 0.00 0.00 500.00
1973 0.00 0.00 0.00 0.00 1.00 132.00 249.00 239.50 70.50 11.50 0.00 0.00 703.50
1974 0.00 0.00 0.00 7.50 11.50 63.50 251.00 136.00 25.00 0.00 0.00 0.00 494.50
1975 0.00 0.00 0.00 0.00 70.00 119.50 265.00 182.00 8.50 7.00 0.00 0.00 652.00
1976 0.00 0.00 0.00 8.50 6.00 166.00 259.50 171.00 58.50 3.00 0.00 0.00 672.50
1977 0.00 0.00 0.00 9.50 114.00 103.50 290.00 112.50 22.50 0.00 0.00 0.00 652.00
1978 0.00 0.00 0.00 0.00 66.50 118.00 170.50 199.00 100.50 0.00 0.00 0.00 654.50
1979 0.00 0.00 0.00 0.00 17.50 100.00 208.00 127.00 47.50 6.50 0.00 0.00 506.50
1980 0.00 0.00 0.00 8.00 48.00 101.00 255.00 178.50 40.50 0.00 0.00 0.00 631.00
1981 0.00 0.00 0.00 0.00 11.50 136.11 c 241.00 175.50 32.00 0.00 a 0.00 a 0.00 596.11
1982 0.00 0.00 0.00 0.00 55.50 30.00 255.50 125.00 49.50 4.50 0.00 0.00 520.00
1983 0.00 0.00 0.00 0.00 0.00 134.50 303.50 210.50 62.50 7.00 0.00 0.00 718.00
1984 0.00 0.00 0.00 0.00 2.50 16.50 x 117.00 k 195.50 24.00 0.00 0.00 0.00 222.00
1985 0.00 0.00 0.00 29.50 20.00 50.50 129.50 56.00 58.00 0.00 0.00 0.00 343.50
1986 0.00 0.00 0.00 16.00 26.50 90.50 245.00 75.50 50.00 0.00 0.00 0.00 503.50
1987 0.00 0.00 0.00 7.00 65.00 196.00 303.50 159.50 32.00 0.00 0.00 0.00 763.00
1988 0.00 0.00 b 0.00 b 0.00 56.00 218.00 304.50 296.00 51.50 1.50 0.00 0.00 927.50
1989 0.00 0.00 a 0.00 0.00 11.50 85.50 234.00 132.50 38.00 1.50 0.00 0.00 503.00
1990 0.00 0.00 0.00 29.00 1.00 103.50 167.50 141.50 92.50 0.00 0.00 0.00 535.00
1991 0.00 0.00 0.00 6.50 127.00 186.50 165.50 143.50 67.00 1.00 0.00 0.00 697.00
1992 0.00 0.00 0.00 0.00 37.00 80.00 68.00 89.00 0.00 z 2.00 0.00 0.00 276.00
1993 0.00 0.00 0.00 0.00 18.00 69.00 181.50 201.00 6.50 0.00 0.00 0.00 476.00
1994 0.00 0.00 0.00 0.00 35.00 171.50 138.50 94.50 80.00 0.00 0.00 0.00 519.50
1995 0.00 0.00 0.00 0.00 1.50 246.50 262.00 278.50 37.50 6.50 0.00 0.00 832.50
1996 0.00 0.00 0.00 0.00 21.50 103.00 114.00 166.50 81.50 0.00 0.00 0.00 486.50
1997 0.00 0.00 0.00 0.00 0.00 134.50 172.00 71.00 32.00 22.00 0.00 0.00 431.50
1998 0.00 0.00 0.00 0.00 65.00 150.00 221.00 206.50 78.50 0.00 0.00 0.00 721.00
1999 0.00 0.00 0.00 0.00 37.00 177.50 317.50 130.00 62.00 0.00 0.00 0.00 724.00
2000 0.00 0.00 0.00 0.00 43.00 84.83 a 173.50 174.50 41.38 a 5.50 0.00 0.00 522.71
2001 0.00 0.00 0.00 0.00 30.00 133.97 a 257.00 237.00 24.31 a 0.00 a 0.00 0.00 682.28
2002 0.00 0.00 0.00 16.50 26.00 182.00 366.00 224.00 124.00 15.50 0.00 0.00 954.00
2003 0.00 0.00 0.00 7.00 1.00 88.00 211.00 259.00 81.00 4.50 0.00 0.00 651.50
2004 0.00 0.00 0.00 0.00 6.50 64.00 167.00 90.50 109.00 0.00 0.00 0.00 437.00
2005 0.00 0.00 0.00 3.50 9.50 274.50 298.00 246.00 123.00 38.00 0.00 0.00 992.50
2006 0.00 0.00 0.00 0.00 49.50 122.00 318.00 221.50 37.00 1.00 0.00 0.00 749.00
2007 0.00 0.00 2.00 6.50 71.50 179.00 216.50 201.50 90.00 40.50 0.00 0.00 807.50
2008 0.00 0.00 a 0.00 0.00 6.00 97.00 205.50 153.00 55.00 6.00 0.00 0.00 522.50
2009 0.00 0.00 0.00 3.00 15.50 143.00 110.50 148.50 51.00 0.00 0.00 0.00 471.50
2010 0.00 0.00 0.00 3.00 92.00 126.00 306.50 283.00 35.50 0.00 0.00 0.00 846.00
2011 0.00 0.00 0.00 0.00 26.00 113.50 328.50 216.50 31.00 16.00 0.00 0.00 731.50
2012 0.00 0.00 15.00 0.00 49.00 217.00 426.00 204.50 74.00 0.00 h 0.00 z 0.00 z 985.50
Period of Record Statistics
MEAN 0.00 0.00 0.22 3.33 30.48 123.96 226.07 172.00 63.39 5.84 0.01 0.00 623.42
S.D. 0.00 0.00 1.50 6.66 28.84 59.87 72.50 62.64 41.05 9.70 0.14 0.00 161.65
SKEW 0.00 0.00 8.81 2.87 1.39 0.57 0.49 0.41 0.94 2.54 10.49 0.00 0.36
MAX 0.00 0.00 15.00 34.00 137.50 299.00 437.50 374.50 199.50 56.00 1.50 0.00 1129.50
MIN 0.00 0.00 0.00 0.00 0.00 25.00 68.00 49.00 6.50 0.00 0.00 0.00 227.50
NO YRS 117 118 115 119 118 113 113 114 117 116 113 116 100