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
1889 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
1890 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
1891 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
1892 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
1893 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
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 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
1896 0.00 z 0.00 u 0.00 13.00 88.50 142.00 201.00 180.00 11.50 0.00 0.00 0.00 636.00
1897 0.00 0.00 0.00 0.00 11.50 125.00 265.50 62.50 101.00 17.50 0.00 0.00 583.00
1898 0.00 0.00 c 0.00 0.00 5.00 118.00 192.00 84.00 53.00 1.50 0.00 0.00 453.50
1899 0.00 0.00 0.00 18.00 19.00 158.50 235.60 a 201.00 50.50 20.50 0.00 0.00 703.10
1900 0.00 0.00 0.00 0.00 70.50 107.00 164.50 300.00 75.50 18.50 0.00 0.00 a 736.00
1901 0.00 0.00 0.00 18.00 37.00 215.00 452.00 0.00 z 56.00 8.50 0.00 0.00 786.50
1902 0.00 0.00 0.00 5.00 70.00 57.00 230.00 94.50 5.50 0.00 0.00 0.00 462.00
1903 0.00 0.00 0.00 0.00 42.50 61.00 192.00 72.50 38.50 3.00 0.00 0.00 409.50
1904 0.00 0.00 0.00 0.00 24.50 63.50 129.00 81.50 40.00 3.00 0.00 0.00 341.50
1905 0.00 0.00 0.00 0.00 8.50 88.45 a 169.35 d 159.65 a 50.56 c 8.00 f 0.00 0.00 476.51
1906 0.00 0.00 0.00 c 0.00 39.50 81.50 141.00 206.50 84.50 0.00 0.00 0.00 553.00
1907 0.00 0.00 0.00 0.00 4.50 88.50 178.00 99.50 46.00 0.00 0.00 0.00 416.50
1908 0.00 0.00 0.00 2.00 45.50 88.50 208.50 140.00 139.00 10.00 0.00 0.00 633.50
1909 0.00 0.00 0.00 0.00 16.00 117.50 192.50 234.50 32.00 0.00 0.00 0.00 592.50
1910 0.00 0.00 6.50 2.00 1.50 217.50 320.00 202.00 13.00 5.00 0.00 z 0.00 767.50
1911 0.00 0.00 0.00 0.00 110.50 318.00 334.28 a 0.00 z 89.00 0.00 0.00 0.00 851.78
1912 0.00 0.00 0.00 0.00 30.50 101.50 253.00 134.00 123.00 5.00 0.00 a 0.00 647.00
1913 0.00 0.00 0.00 6.50 31.50 230.00 235.00 195.00 104.50 4.00 0.00 0.00 806.50
1914 0.00 0.00 0.00 4.50 76.00 150.00 a 341.50 241.00 79.00 9.50 0.00 0.00 901.50
1915 0.00 0.00 0.00 53.00 11.00 50.50 149.50 94.00 66.50 0.00 0.00 0.00 424.50
1916 0.00 0.00 0.00 0.00 28.00 52.50 460.50 277.50 61.00 11.00 0.00 0.00 890.50
1917 0.00 0.00 0.00 0.00 21.50 53.50 274.50 134.00 14.00 0.00 0.00 0.00 497.50
1918 0.00 a 0.00 0.00 0.00 a 61.00 114.50 210.50 252.50 9.00 11.00 0.00 0.00 658.50
1919 0.00 0.00 0.00 0.00 39.50 244.00 324.00 162.50 93.50 5.50 0.00 0.00 869.00
1920 0.00 0.00 0.00 0.00 23.50 213.00 224.00 178.00 105.00 29.50 0.00 0.00 773.00
1921 0.00 0.00 0.00 9.50 118.50 311.50 475.50 226.00 104.50 0.00 0.00 0.00 1245.50
1922 0.00 0.00 0.00 0.00 70.50 192.00 202.50 258.50 157.50 37.00 0.00 0.00 918.00
1923 0.00 0.00 0.00 0.00 16.50 277.00 352.00 178.50 70.50 0.00 0.00 0.00 894.50
1924 0.00 0.00 0.00 0.00 0.00 81.00 181.00 156.00 12.00 0.50 0.00 0.00 430.50
1925 0.00 0.00 0.00 14.50 42.50 189.00 234.00 217.00 153.00 0.00 0.00 0.00 850.00
1926 0.00 0.00 0.00 4.00 31.50 56.00 246.50 206.00 56.00 4.00 0.00 0.00 604.00
1927 0.00 0.00 0.00 1.50 12.00 110.50 204.50 102.00 175.50 5.00 0.00 0.00 611.00
1928 0.00 0.00 0.00 0.00 50.00 50.50 263.00 216.50 33.00 24.50 0.00 0.00 637.50
1929 0.00 0.00 0.00 18.50 58.50 97.50 283.00 162.50 79.50 1.00 0.00 0.00 700.50
1930 0.00 0.00 0.00 8.50 63.00 173.00 335.00 286.00 96.00 17.50 0.00 0.00 979.00
1931 0.00 0.00 0.00 8.50 28.50 284.48 a 405.50 246.00 226.00 11.00 0.00 0.00 1209.98
1932 0.00 0.00 0.00 0.00 41.00 217.50 325.00 225.00 43.50 4.00 0.00 0.00 a 856.00
1933 0.00 0.00 0.00 0.00 52.00 401.00 314.50 172.50 155.50 0.00 0.00 0.00 1095.50
1934 0.00 0.00 0.00 2.50 160.00 288.50 338.00 194.50 40.00 5.00 0.00 0.00 1028.50
1935 0.00 0.00 0.00 4.50 4.00 92.00 393.00 245.50 64.00 1.00 0.00 0.00 804.00
1936 0.00 0.00 0.00 0.00 108.00 111.00 442.00 328.00 129.50 0.00 0.00 0.00 1118.50
1937 0.00 0.00 0.00 0.00 39.00 140.50 331.00 365.00 130.50 4.50 0.00 0.00 1010.50
1938 0.00 0.00 0.00 6.00 22.50 103.00 271.00 283.00 53.50 15.50 1.00 0.00 755.50
1939 0.00 0.00 0.00 12.00 103.00 186.50 337.50 227.50 176.00 12.00 0.00 0.00 1054.50
1940 0.00 0.00 a 0.00 0.00 12.50 133.00 295.00 177.50 88.50 8.50 0.00 0.00 715.00
1941 0.00 0.00 0.00 a 13.00 90.00 184.50 281.50 248.50 107.00 0.00 0.00 0.00 924.50
1942 0.00 0.00 0.00 21.00 35.00 138.50 247.50 191.00 85.50 2.50 0.00 0.00 721.00
1943 0.00 0.00 1.50 0.00 25.50 256.00 311.00 243.00 45.00 2.50 0.00 0.00 884.50
1944 0.00 0.00 0.00 0.00 107.00 215.00 224.50 247.50 71.50 1.50 0.00 0.00 867.00
1945 0.00 0.00 0.00 5.50 7.00 94.50 170.00 192.00 81.00 0.00 0.00 0.00 550.00
1946 0.00 0.00 0.00 13.50 6.00 166.50 257.00 160.50 51.00 7.00 0.00 0.00 661.50
1947 0.00 z 0.00 z 0.00 v 0.00 15.00 108.50 210.50 389.00 165.00 31.00 0.00 0.00 919.00
1948 0.00 0.00 0.00 14.48 a 18.00 119.50 279.50 228.88 a 129.50 0.00 0.00 0.00 789.87
1949 0.00 0.00 0.00 0.00 54.00 202.00 312.00 228.50 5.00 8.00 0.00 0.00 809.50
1950 0.00 0.00 0.00 0.00 21.50 h 143.79 a 148.50 92.50 14.50 13.20 d 0.00 c 0.00 412.50
1951 0.00 0.00 0.00 c 3.00 57.00 60.00 195.50 108.50 d 24.81 d 5.50 0.00 0.00 b 454.31
1952 0.00 d 0.00 0.00 26.50 38.50 211.55 a 330.27 e 145.00 77.00 0.00 a 0.00 0.00 f 828.82
1953 0.00 d 0.00 a 0.00 0.00 o 36.50 n 78.50 r 126.00 p 226.41 c 61.00 n 28.00 m 0.00 f 0.00 a 226.41
1954 0.00 i 0.00 b 0.00 a 0.50 11.50 230.50 248.00 134.50 53.00 0.00 0.00 0.00 678.00
1955 0.00 0.00 0.00 b 0.00 b 47.00 80.00 392.50 341.50 94.00 3.10 a 0.00 0.00 958.10
1956 0.00 0.00 0.00 0.00 35.00 220.50 145.00 194.00 17.00 4.50 0.00 0.00 616.00
1957 0.00 0.00 0.00 10.50 9.50 134.00 276.00 177.00 38.50 0.00 0.00 0.00 645.50
1958 0.00 0.00 0.00 4.50 31.00 50.00 179.00 247.50 60.00 4.50 0.00 0.00 576.50
1959 0.00 0.00 0.00 0.00 92.00 159.50 213.00 292.00 97.50 0.00 0.00 0.00 854.00
1960 0.00 0.00 0.00 19.00 14.00 67.00 191.50 202.50 122.00 2.50 0.00 0.00 618.50
1961 0.00 0.00 0.00 0.00 20.00 149.00 240.50 225.00 116.00 4.50 0.00 0.00 755.00
1962 0.00 0.00 0.00 18.50 100.50 143.00 148.00 215.50 30.00 18.50 0.00 0.00 674.00
1963 0.00 0.00 0.00 4.00 21.50 212.50 288.50 160.50 52.50 42.00 0.00 0.00 781.50
1964 0.00 0.00 0.00 2.50 87.00 195.00 322.50 161.50 64.00 1.00 0.00 0.00 833.50
1965 0.00 0.00 0.00 0.00 78.00 62.50 139.50 a 129.00 12.50 h 8.50 0.00 0.00 417.50
1966 0.00 0.00 0.00 0.00 15.00 140.00 224.00 69.50 18.50 4.00 0.00 0.00 471.00
1967 0.00 0.00 0.00 0.00 21.00 99.00 134.00 61.50 18.50 9.50 0.00 0.00 343.50
1968 0.00 0.00 0.00 0.00 4.50 116.50 181.50 197.00 21.50 26.50 0.00 0.00 547.50
1969 0.00 0.00 0.00 0.00 33.50 23.50 169.50 165.50 49.50 11.00 0.00 0.00 452.50
1970 0.00 0.00 0.00 18.00 56.00 113.00 230.50 130.50 46.50 9.00 0.00 0.00 603.50
1971 0.00 0.00 0.00 0.00 12.00 204.00 107.50 78.00 87.22 c 16.50 0.00 0.00 505.22
1972 0.00 0.00 l 0.00 0.00 34.50 73.50 149.50 174.00 30.00 2.00 0.00 0.00 463.50
1973 0.00 a 0.00 0.00 0.00 0.00 117.00 222.00 190.00 61.00 14.00 0.00 0.00 604.00
1974 0.00 0.00 0.00 13.50 18.00 52.50 230.00 93.00 18.50 0.00 0.00 0.00 425.50
1975 0.00 0.00 0.00 0.00 69.00 107.50 199.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 375.50
1976 0.00 0.00 0.00 10.50 7.00 125.50 219.00 113.50 38.50 3.50 0.00 0.00 517.50
1977 0.00 0.00 0.00 a 12.00 99.50 92.50 302.50 98.00 31.50 0.00 0.00 0.00 636.00
1978 0.00 0.00 0.00 0.00 52.50 110.50 153.50 148.50 98.00 0.00 0.00 0.00 563.00
1979 0.00 0.00 0.00 0.00 16.50 71.00 153.00 128.00 37.00 7.50 0.00 0.00 413.00
1980 0.00 0.00 0.00 3.00 34.50 88.45 a 247.50 171.50 42.00 0.00 0.00 0.00 586.95
1981 0.00 0.00 0.00 0.00 16.00 102.00 168.50 128.50 23.00 0.00 0.00 0.00 438.00
1982 0.00 0.00 0.00 0.00 49.00 34.50 190.50 102.50 27.50 7.00 0.00 0.00 411.00
1983 0.00 0.00 0.00 0.00 0.00 117.00 275.50 216.00 54.00 3.00 0.00 a 0.00 665.50
1984 0.00 0.00 0.00 5.00 6.50 143.00 154.00 252.00 61.50 0.00 0.00 0.00 622.00
1985 0.00 0.00 0.00 54.00 52.00 84.00 190.50 41.50 l 101.00 0.00 0.00 0.00 481.50
1986 0.00 0.00 4.00 18.00 18.00 111.00 248.50 74.00 44.00 0.00 0.00 0.00 517.50
1987 0.00 0.00 0.00 8.00 69.00 230.00 345.50 188.00 32.50 0.00 0.00 0.00 873.00
1988 0.00 0.00 0.00 0.00 45.00 219.00 302.50 311.00 58.00 2.00 0.00 0.00 937.50
1989 0.00 0.00 2.00 0.00 18.00 99.00 238.00 146.50 31.50 2.50 0.00 0.00 537.50
1990 0.00 0.00 0.00 35.50 4.00 119.50 185.50 155.00 97.50 2.50 0.00 0.00 599.50
1991 0.00 0.00 0.00 17.00 131.50 191.50 208.50 176.00 63.50 2.50 0.00 0.00 790.50
1992 0.00 0.00 0.00 0.00 51.50 73.50 83.50 85.00 25.50 1.50 0.00 0.00 320.50
1993 0.00 0.00 0.00 0.00 26.50 79.50 181.00 210.50 8.00 2.00 0.00 0.00 507.50
1994 0.00 0.00 0.00 5.00 36.50 186.50 163.00 96.50 83.00 0.00 0.00 0.00 570.50
1995 0.00 0.00 0.00 0.00 1.50 221.50 268.00 326.50 39.00 7.00 0.00 0.00 863.50
1996 0.00 0.00 0.00 0.00 29.00 118.50 125.50 152.50 64.00 0.50 0.00 0.00 490.00
1997 0.00 0.00 0.00 0.00 0.00 135.00 189.00 65.00 29.00 25.00 0.00 0.00 443.00
1998 0.00 0.00 3.00 0.00 68.00 152.00 224.50 208.00 87.00 0.50 0.00 0.00 743.00
1999 0.00 0.00 0.00 0.00 31.50 165.00 328.50 121.50 47.50 0.00 0.00 0.00 694.00
2000 0.00 0.00 0.00 0.00 51.00 106.50 173.50 187.50 76.50 9.00 0.00 0.00 604.00
2001 0.00 0.00 0.00 2.00 48.50 145.00 258.00 235.00 22.50 0.00 0.00 0.00 711.00
2002 0.00 0.00 0.00 20.50 25.00 178.50 304.00 176.50 94.00 13.50 0.00 0.00 812.00
2003 0.00 0.00 0.00 6.00 1.50 85.00 189.50 245.00 71.00 2.00 0.00 0.00 600.00
2004 0.00 0.00 0.00 6.00 7.50 84.50 152.50 82.00 84.00 0.00 0.00 0.00 416.50
2005 0.00 0.00 0.00 4.50 7.00 235.50 247.00 180.00 121.00 29.00 0.00 0.00 824.00
2006 0.00 0.00 0.00 0.00 62.50 97.00 289.00 177.50 17.00 3.00 0.00 0.00 646.00
2007 0.00 0.00 4.00 8.00 69.50 155.50 226.00 200.00 85.50 36.50 0.00 0.00 785.00
2008 0.00 a 0.00 0.00 0.00 9.50 123.50 215.50 145.00 55.50 5.00 0.00 0.00 554.00
2009 0.00 0.00 0.00 2.00 18.50 136.50 62.00 122.50 28.00 0.00 0.00 0.00 369.50
2010 0.00 0.00 0.00 4.00 85.50 122.00 296.50 280.50 27.50 0.50 0.00 0.00 816.50
2011 0.00 0.00 0.00 0.00 35.50 127.00 335.50 190.50 45.50 5.68 a 0.00 0.00 739.68
2012 0.00 0.00 19.50 0.00 67.00 210.50 429.50 189.00 63.00 0.00 h 0.00 z 0.00 z 978.50
Period of Record Statistics
MEAN 0.00 0.00 0.35 5.35 39.70 140.34 243.37 183.07 66.26 6.53 0.01 0.00 680.56
S.D. 0.00 0.00 1.99 9.46 32.65 68.37 82.15 69.81 42.72 9.00 0.09 0.00 200.59
SKEW 0.00 0.00 8.17 2.88 1.10 0.94 0.60 0.39 1.01 1.94 10.49 0.00 0.46
MAX 0.00 0.00 19.50 54.00 160.00 401.00 475.50 389.00 226.00 42.00 1.00 0.00 1245.50
MIN 0.00 0.00 0.00 0.00 0.00 23.50 62.00 61.50 5.00 0.00 0.00 0.00 320.50
NO YRS 114 114 116 116 115 116 116 113 114 113 113 114 102