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 x 0.00 a 0.00 0.00 0.00 150.50 179.50 111.00 37.00 0.00 0.00 0.00 478.00
1894 0.00 0.00 0.00 1.00 2.50 198.50 242.00 143.00 67.00 0.00 0.00 0.00 654.00
1895 0.00 0.00 0.00 0.00 74.00 136.00 107.50 116.00 143.00 0.00 l 0.00 0.00 c 576.50
1896 0.00 0.00 0.00 4.00 72.50 107.50 159.13 a 174.00 12.00 0.00 0.00 0.00 529.13
1897 0.00 0.00 0.00 0.00 3.00 95.17 a 251.00 65.00 117.50 15.50 b 0.00 a 0.00 a 547.17
1898 0.00 a 0.00 0.00 0.00 a 2.67 b 99.60 e 208.50 96.00 67.50 3.62 a 0.00 a 0.00 c 477.89
1899 0.00 d 0.00 0.00 c 8.79 a 19.63 a 74.00 144.67 a 168.43 a 33.50 17.71 c 0.00 e 0.00 466.74
1900 0.00 0.00 d 0.00 0.00 b 35.98 c 84.31 a 110.57 a 241.44 e 44.50 10.50 0.00 h 0.00 j 527.30
1901 0.00 l 0.00 u 0.00 u 20.00 h 28.00 148.97 a 310.53 b 123.48 a 25.50 g 4.17 e 0.00 f 0.00 d 615.16
1902 0.00 g 0.00 c 0.00 0.50 28.42 a 21.43 b 186.50 89.12 c 0.00 a 0.00 a 0.00 f 0.00 325.97
1903 0.00 0.00 0.00 0.00 c 17.00 21.50 h 139.50 31.50 23.04 b 1.50 g 0.00 a 0.00 211.04
1904 0.00 a 0.00 0.00 f 0.00 a 10.69 b 42.50 92.00 71.82 a 37.50 2.00 i 0.00 a 0.00 254.51
1905 0.00 0.00 b 0.00 0.00 c 0.00 l 48.10 a 106.50 98.88 b 28.33 c 9.09 b 0.00 0.00 290.90
1906 0.00 b 0.00 0.00 d 1.20 e 18.17 b 0.00 z 114.59 c 193.00 81.72 a 0.00 b 0.00 0.00 b 408.69
1907 0.00 a 0.00 0.00 a 0.00 5.00 29.00 k 93.50 j 0.00 z 0.00 z 0.00 g 0.00 a 0.00 5.00
1908 0.00 0.00 0.00 2.50 15.50 c 104.42 d 137.50 107.50 123.46 d 8.78 a 0.00 d 0.00 m 499.67
1909 0.00 w 0.00 a 0.00 a 0.00 a 2.67 b 0.00 z 0.00 z 211.63 e 9.81 d 0.00 0.00 i 0.00 c 224.11
1910 0.00 0.00 b 3.00 f 0.00 0.00 i 197.14 b 162.00 f 53.50 n 7.78 c 2.50 f 0.00 e 0.00 204.92
1911 0.00 0.00 0.00 q 1.67 c 81.93 c 223.33 c 187.60 b 96.74 b 31.15 d 0.00 y 0.00 z 0.00 z 622.43
1912 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 p 4.43 c 0.00 0.00 4.43
1913 0.00 0.00 0.00 8.50 21.00 191.50 176.18 a 157.58 a 116.00 1.50 0.00 0.00 672.27
1914 0.00 c 0.00 a 0.00 1.50 44.00 89.50 275.00 140.00 51.00 1.00 0.00 0.00 602.00
1915 0.00 0.00 0.00 33.50 8.00 36.50 t 119.23 e 71.50 51.00 0.00 0.00 0.00 b 283.23
1916 0.00 a 0.00 0.00 0.00 14.00 26.50 404.00 199.12 e 46.00 7.00 0.00 0.00 696.62
1917 0.00 0.00 a 0.00 z 0.00 a 7.75 a 49.50 222.50 130.00 10.50 0.00 0.00 0.00 420.25
1918 0.00 0.00 a 0.00 a 0.00 47.50 78.50 151.00 178.00 1.00 3.50 0.00 a 0.00 459.50
1919 0.00 0.00 0.00 0.00 36.00 207.50 258.50 118.00 68.00 5.00 0.00 0.00 693.00
1920 0.00 0.00 0.00 0.00 5.50 154.00 157.50 123.50 73.50 11.00 0.00 0.00 525.00
1921 0.00 0.00 0.00 8.50 109.50 267.00 401.50 182.00 67.00 0.00 0.00 0.00 1035.50
1922 0.00 0.00 0.00 0.00 38.00 125.00 129.50 189.00 109.50 19.50 0.00 0.00 610.50
1923 0.00 0.00 0.00 1.50 9.50 228.00 267.00 126.00 47.00 0.00 0.00 z 0.00 679.00
1924 0.00 0.00 0.00 0.00 0.00 37.00 145.00 104.00 5.50 0.00 0.00 0.00 291.50
1925 0.00 0.00 0.00 z 12.50 31.50 156.00 165.50 161.50 91.50 0.00 0.00 0.00 618.50
1926 0.00 0.00 0.00 0.00 26.00 51.21 a 189.50 127.50 40.00 0.00 a 0.00 0.00 434.21
1927 0.00 0.00 a 0.00 0.00 17.50 80.50 168.50 55.28 a 132.00 0.00 a 0.00 0.00 a 453.78
1928 0.00 0.00 a 0.00 0.00 25.50 30.00 b 220.50 197.50 9.50 15.50 0.00 0.00 498.50
1929 0.00 0.00 0.00 0.00 48.00 107.00 276.00 150.50 71.38 a 0.00 0.00 0.00 652.88
1930 0.00 0.00 0.00 5.50 65.00 137.50 291.50 214.50 69.00 15.00 0.00 0.00 798.00
1931 0.00 0.00 0.00 1.50 27.38 a 248.28 a 347.95 b 184.00 175.50 10.33 a 0.00 0.00 c 994.94
1932 0.00 b 0.00 e 0.00 0.00 c 28.50 163.00 267.00 204.00 30.00 a 0.00 0.00 0.00 a 692.50
1933 0.00 0.00 b 0.00 b 0.00 35.00 328.33 c 301.73 a 156.00 92.50 0.00 b 0.00 b 0.00 a 913.57
1934 0.00 a 0.00 a 0.00 a 0.00 115.73 a 233.28 a 301.50 174.00 32.07 a 0.52 a 0.00 c 0.00 b 857.09
1935 0.00 a 0.00 b 0.00 2.50 0.00 62.07 a 380.50 217.00 52.00 0.00 0.00 a 0.00 a 714.07
1936 0.00 b 0.00 a 0.00 b 0.00 74.40 a 72.50 378.50 239.50 114.00 0.00 0.00 a 0.00 a 878.90
1937 0.00 c 0.00 0.00 0.00 40.00 122.59 a 307.00 368.00 129.00 0.00 0.00 a 0.00 966.59
1938 0.00 a 0.00 0.00 a 11.50 16.50 85.00 191.50 265.50 23.04 b 10.00 0.00 0.00 b 603.04
1939 0.00 0.00 a 0.00 a 11.50 66.50 148.00 276.50 189.00 121.50 0.00 0.00 0.00 a 813.00
1940 0.00 0.00 a 0.00 a 0.00 c 11.50 103.50 265.00 156.00 86.25 b 0.00 0.00 a 0.00 622.25
1941 0.00 0.00 0.00 b 6.43 b 64.50 185.00 249.03 a 188.00 97.50 0.00 0.00 0.00 a 790.46
1942 0.00 0.00 0.00 a 14.50 26.50 119.48 a 201.50 a 149.00 55.50 0.00 0.00 0.00 566.48
1943 0.00 0.00 0.00 0.00 20.00 242.50 297.50 231.50 30.50 1.50 0.00 0.00 823.50
1944 0.00 0.00 0.00 0.00 98.50 190.50 225.00 237.00 43.97 a 0.00 0.00 a 0.00 a 794.97
1945 0.00 0.00 a 0.00 4.29 b 3.00 72.50 144.00 177.50 85.50 0.00 0.00 a 0.00 z 486.79
1946 0.00 c 0.00 b 0.00 0.00 b 3.00 145.00 220.00 132.50 43.50 4.00 0.00 0.00 b 548.00
1947 0.00 b 0.00 0.00 0.00 0.50 80.50 225.50 394.50 146.50 27.00 0.00 0.00 874.50
1948 0.00 0.00 0.00 6.21 a 18.50 103.50 249.50 208.50 118.50 0.00 0.00 0.00 704.71
1949 0.00 a 0.00 0.00 0.00 d 66.00 221.00 263.50 214.50 4.00 14.00 0.00 0.00 783.00
1950 0.00 a 0.00 0.00 0.00 20.50 128.57 b 121.33 b 67.50 4.00 9.00 0.00 0.00 350.90
1951 0.00 a 0.00 0.00 a 3.00 17.50 24.50 123.50 51.50 9.50 0.00 0.00 0.00 229.50
1952 0.00 0.00 0.00 12.00 12.00 121.00 215.00 88.50 60.00 b 0.00 0.00 0.00 508.50
1953 0.00 0.00 0.00 0.00 23.50 118.00 169.00 135.88 a 44.00 10.00 0.00 0.00 500.38
1954 0.00 0.00 0.00 0.00 7.00 145.50 156.50 76.00 20.50 0.00 0.00 0.00 405.50
1955 0.00 a 0.00 0.00 0.00 35.00 63.00 334.00 279.00 58.50 1.00 0.00 0.00 770.50
1956 0.00 0.00 0.00 0.00 a 20.50 161.00 80.00 139.00 16.00 5.50 0.00 0.00 422.00
1957 0.00 0.00 0.00 2.50 10.33 a 85.50 220.00 133.00 31.00 0.00 0.00 0.00 482.33
1958 0.00 0.00 0.00 1.00 3.50 42.41 a 115.00 176.50 25.00 0.00 0.00 0.00 363.41
1959 0.00 0.00 0.00 0.00 a 68.00 110.50 164.00 248.00 73.50 0.00 0.00 0.00 664.00
1960 0.00 0.00 0.00 9.50 1.50 29.00 146.50 167.00 100.34 a 1.50 0.00 0.00 455.34
1961 0.00 0.00 0.00 0.00 13.00 101.50 150.50 138.00 81.00 2.00 0.00 0.00 486.00
1962 0.00 0.00 0.00 5.50 83.00 76.00 74.00 116.00 13.50 9.50 0.00 0.00 377.50
1963 0.00 0.00 0.00 0.00 14.00 173.00 207.00 99.50 26.00 18.50 0.00 0.00 538.00
1964 0.00 0.00 0.00 7.50 58.50 132.50 231.00 104.50 44.00 0.00 0.00 0.00 578.00
1965 0.00 0.00 0.00 0.00 48.50 55.00 119.00 108.50 10.50 6.50 0.00 0.00 348.00
1966 0.00 0.00 0.00 0.00 11.50 135.00 241.00 90.50 30.50 2.50 0.00 0.00 511.00
1967 0.00 0.00 0.00 0.00 14.50 77.00 129.50 63.50 15.50 3.00 0.00 0.00 303.00
1968 0.00 0.00 0.00 0.50 0.00 106.00 164.00 180.00 25.50 25.00 0.00 0.00 501.00
1969 0.00 0.00 0.00 0.00 30.50 17.50 162.00 185.00 44.50 4.00 0.00 0.00 443.50
1970 0.00 0.00 0.00 19.00 42.50 135.00 223.50 144.50 60.50 8.50 0.00 0.00 633.50
1971 0.00 0.00 0.00 0.00 2.00 192.50 96.50 76.50 70.50 24.00 0.00 0.00 462.00
1972 0.00 0.00 0.00 0.00 70.00 64.00 143.00 139.00 5.50 0.00 0.00 0.00 421.50
1973 0.00 0.00 0.00 0.00 0.00 92.50 195.50 167.00 53.00 7.00 0.00 0.00 515.00
1974 0.00 0.00 0.00 7.00 11.50 42.50 200.50 92.50 11.50 0.00 0.00 0.00 365.50
1975 0.00 0.00 0.00 0.00 66.00 97.50 213.00 135.50 0.50 7.00 0.00 0.00 k 519.50
1976 0.00 0.00 0.00 8.00 4.00 125.50 204.50 137.50 45.00 9.00 0.00 0.00 533.50
1977 0.00 0.00 0.00 a 12.00 101.50 74.00 253.00 82.50 9.50 0.00 0.00 0.00 532.50
1978 0.00 0.00 0.00 0.00 14.90 e 48.50 t 112.00 153.50 98.50 0.00 0.00 d 0.00 a 378.90
1979 0.00 d 0.00 0.00 0.00 7.23 a 74.50 174.00 101.00 48.50 1.00 0.00 0.00 406.23
1980 0.00 0.00 0.00 3.00 48.00 77.07 a 215.00 149.50 26.00 0.00 0.00 0.00 518.57
1981 0.00 0.00 0.00 0.00 a 14.50 80.50 167.00 135.50 20.00 0.00 0.00 a 0.00 417.50
1982 0.00 0.00 0.00 0.00 40.50 18.00 185.50 113.50 28.50 2.00 0.00 0.00 388.00
1983 0.00 0.00 0.00 0.00 0.00 122.00 288.50 243.50 77.50 8.50 0.00 0.00 740.00
1984 0.00 0.00 0.00 2.50 7.00 93.50 140.50 188.50 12.50 0.00 0.00 0.00 444.50
1985 0.00 0.00 0.00 30.50 19.50 58.00 135.50 75.00 83.50 0.00 0.00 0.00 402.00
1986 0.00 a 0.00 0.00 12.00 27.00 88.50 208.00 50.00 36.50 0.00 0.00 0.00 422.00
1987 0.00 0.00 0.00 8.00 55.50 159.00 262.50 125.00 28.50 0.00 0.00 0.00 638.50
1988 0.00 a 0.00 0.00 0.00 43.00 181.50 277.50 264.00 40.00 3.00 0.00 0.00 809.00
1989 0.00 0.00 0.00 0.00 18.00 70.50 206.00 130.00 27.00 4.00 0.00 0.00 455.50
1990 0.00 0.00 0.00 31.50 6.00 94.00 159.50 133.00 77.00 0.00 0.00 0.00 501.00
1991 0.00 0.00 0.00 8.50 103.50 168.50 152.50 163.50 48.50 1.50 0.00 0.00 646.50
1992 0.00 0.00 0.00 0.00 32.50 47.50 47.00 73.50 20.00 2.50 0.00 0.00 223.00
1993 0.00 0.00 0.00 0.00 26.50 42.00 123.50 143.00 0.50 0.00 0.00 0.00 335.50
1994 0.00 0.00 0.00 0.00 36.50 163.50 123.50 87.00 58.00 0.00 0.00 0.00 468.50
1995 0.00 0.00 0.00 0.00 0.00 214.00 204.50 234.50 22.00 0.00 0.00 0.00 675.00
1996 0.00 0.00 0.00 0.00 15.00 82.00 75.00 113.50 57.50 0.00 0.00 0.00 343.00
1997 0.00 0.00 0.00 0.00 0.00 102.50 142.50 55.50 14.00 6.00 0.00 0.00 320.50
1998 0.00 0.00 0.00 0.00 52.00 113.50 153.50 134.50 55.50 0.00 0.00 0.00 509.00
1999 0.00 0.00 0.00 0.00 23.00 123.00 243.00 80.00 36.50 0.00 0.00 0.00 505.50
2000 0.00 0.00 0.00 0.00 31.50 56.00 129.50 121.00 33.50 1.00 0.00 0.00 372.50
2001 0.00 0.00 0.00 0.00 11.50 104.50 192.50 186.00 11.50 0.00 0.00 0.00 506.00
2002 0.00 0.00 0.00 12.50 13.50 108.00 228.00 105.50 68.00 6.50 0.00 0.00 542.00
2003 0.00 0.00 0.00 4.00 2.00 62.50 135.00 200.00 61.00 0.00 0.00 0.00 464.50
2004 0.00 0.00 0.00 0.00 5.50 46.50 126.00 54.00 76.50 0.00 0.00 0.00 308.50
2005 0.00 0.00 0.00 1.50 0.00 176.50 225.00 157.50 66.50 23.00 0.00 0.00 650.00
2006 0.00 0.00 0.00 0.00 46.50 77.00 234.00 99.00 13.00 0.50 0.00 0.00 470.00
2007 0.00 0.00 0.00 4.50 47.00 128.50 175.00 156.00 61.50 30.00 0.00 0.00 602.50
2008 0.00 0.00 0.00 0.00 0.00 44.50 130.00 79.50 34.50 3.00 0.00 0.00 291.50
2009 0.00 0.00 0.00 0.00 13.00 95.00 24.50 78.50 21.00 0.00 0.00 0.00 232.00
2010 0.00 0.00 0.00 1.50 74.50 69.50 210.00 207.50 10.50 1.00 0.00 0.00 574.50
2011 0.00 0.00 0.00 a 0.00 13.00 77.50 251.00 128.00 29.00 5.50 0.00 a 0.00 504.00
2012 0.00 0.00 13.50 0.00 30.50 118.50 319.50 131.50 39.50 0.00 h 0.00 z 0.00 z 653.00
Period of Record Statistics
MEAN 0.00 0.00 0.12 3.03 28.69 112.73 196.70 146.35 49.89 4.18 0.00 0.00 550.81
S.D. 0.00 0.00 1.27 6.16 27.32 60.39 74.69 62.46 37.11 6.64 0.00 0.00 177.51
SKEW 0.00 0.00 10.49 3.02 1.22 0.84 0.51 0.99 0.95 1.97 0.00 0.00 0.57
MAX 0.00 0.00 13.50 33.50 115.73 328.33 404.00 394.50 175.50 30.00 0.00 0.00 1035.50
MIN 0.00 0.00 0.00 0.00 0.00 17.50 24.50 31.50 0.00 0.00 0.00 0.00 223.00
NO YRS 115 118 113 118 117 113 116 117 117 113 113 114 97