date! ,

Monthly Total Cooling Degree Days

(a vali)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1877 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
1878 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
1879 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
1880 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
1881 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
1882 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
1883 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
1884 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
1885 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
1886 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
1887 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
1888 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
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 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 x 0.00
1899 0.00 p 0.00 0.00 1.50 6.00 56.50 146.50 4.00 z 0.00 x 2.50 0.00 0.00 213.00
1900 0.00 0.00 0.00 0.00 b 51.50 134.50 150.00 284.50 48.50 9.50 0.00 0.00 678.50
1901 0.00 0.00 0.00 9.00 24.50 77.00 415.92 a 198.00 31.50 0.00 0.00 0.00 755.92
1902 0.00 0.00 0.00 0.00 25.32 a 45.00 198.50 103.00 1.00 0.00 0.00 0.00 372.82
1903 0.00 0.00 0.00 0.00 e 4.00 25.00 101.50 74.50 7.50 0.00 0.00 0.00 212.50
1904 0.00 j 0.00 0.00 a 0.00 1.55 a 28.50 92.00 55.50 0.00 z 0.00 z 0.00 z 0.00 z 177.55
1905 0.00 z 0.00 c 0.00 0.00 o 1.55 a 93.75 b 106.50 169.50 55.38 d 0.00 a 0.00 a 0.00 426.68
1906 0.00 0.00 0.00 b 11.00 30.00 28.45 a 239.00 184.89 c 38.28 a 0.00 b 0.00 a 0.00 531.62
1907 0.00 a 0.00 0.00 0.00 a 0.00 97.00 190.13 a 160.50 22.50 0.00 a 0.00 e 0.00 470.13
1908 0.00 0.00 0.00 a 0.52 a 6.72 a 36.00 138.50 75.50 142.50 0.00 z 0.00 0.00 399.73
1909 0.00 0.00 0.00 0.00 6.00 66.50 111.00 264.00 29.50 8.27 a 0.00 q 0.00 z 485.27
1910 0.00 0.00 1.50 11.50 0.00 135.50 175.50 78.00 25.50 10.50 0.00 0.00 438.00
1911 0.00 0.00 0.00 0.00 79.00 224.00 174.00 71.50 51.00 0.00 0.00 0.00 599.50
1912 0.00 0.00 0.00 0.00 8.00 76.00 200.50 104.00 75.50 0.00 0.00 0.00 464.00
1913 0.00 0.00 0.00 7.00 32.00 158.50 159.00 236.50 118.50 21.50 0.00 0.00 733.00
1914 0.00 0.00 0.00 w 2.00 38.50 105.50 277.50 196.50 32.50 11.00 0.00 0.00 663.50
1915 0.00 0.00 0.00 4.50 19.50 26.00 85.00 63.50 k 6.50 f 0.00 0.00 0.00 135.00
1916 0.00 0.00 0.00 0.00 30.00 32.50 368.50 192.00 71.50 1.00 0.00 0.00 695.50
1917 0.00 c 0.00 a 0.00 0.00 18.00 60.00 a 228.37 a 110.57 a 12.00 l 0.00 a 0.00 0.00 416.93
1918 0.00 c 0.00 0.00 a 0.00 d 78.05 c 137.50 186.50 i 240.80 c 4.50 0.00 0.00 0.00 g 460.86
1919 0.00 0.00 a 0.00 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
1920 0.00 z 0.00 0.00 b 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 11.50 g 0.00 0.00 0.00
1921 0.00 0.00 0.00 4.50 61.50 293.50 350.00 184.50 59.50 1.00 0.00 0.00 954.50
1922 0.00 a 0.00 0.00 0.00 22.00 159.50 162.00 292.50 142.24 a 27.50 0.00 0.00 805.74
1923 0.00 a 0.00 a 0.00 0.00 8.00 167.50 348.00 145.00 64.00 0.00 0.00 0.00 732.50
1924 0.00 0.00 o 0.00 5.50 4.00 80.17 a 167.50 196.00 9.00 4.50 0.00 a 0.00 466.67
1925 0.00 0.00 b 0.00 6.00 49.50 117.50 236.50 245.13 d 146.50 0.00 0.00 0.00 801.13
1926 0.00 0.00 0.00 9.83 a 103.50 84.50 272.00 204.50 59.00 0.00 0.00 0.00 733.33
1927 0.00 0.00 0.00 0.00 14.00 119.50 164.50 130.50 168.00 7.00 0.00 0.00 603.50
1928 0.00 0.00 0.00 0.00 36.50 9.50 237.00 213.00 30.50 15.50 0.00 0.00 542.00
1929 0.00 0.00 0.00 4.00 25.50 65.00 254.00 233.00 38.50 0.50 0.00 0.00 620.50
1930 0.00 0.00 0.00 2.50 24.50 105.50 392.50 300.00 61.00 20.00 0.00 0.00 906.00
1931 0.00 0.00 0.00 a 0.50 29.00 258.00 345.50 231.50 196.00 6.00 0.00 0.00 1066.50
1932 0.00 0.00 b 0.00 0.00 30.50 138.00 342.00 222.00 39.00 9.00 0.00 0.00 780.50
1933 0.00 0.00 0.00 0.00 32.50 376.00 363.00 161.00 138.50 4.50 3.50 0.00 1079.00
1934 0.00 0.00 0.00 7.50 236.50 239.00 343.00 189.50 16.00 16.50 0.00 0.00 1048.00
1935 0.00 0.00 0.00 0.00 a 0.00 103.50 480.00 317.50 103.50 0.00 0.00 0.00 1004.50
1936 0.00 0.00 0.00 0.00 87.00 152.50 571.00 336.50 136.00 0.00 e 0.00 0.00 1283.00
1937 0.00 0.00 a 0.00 b 0.00 44.50 130.00 349.00 392.50 110.50 2.00 0.00 0.00 1028.50
1938 0.00 0.00 0.00 5.50 16.00 132.00 317.00 327.00 105.00 a 21.50 0.00 0.00 924.00
1939 0.00 a 0.00 0.00 7.00 90.00 181.00 337.00 222.00 163.50 0.50 0.00 b 0.00 1001.00
1940 0.00 a 0.00 0.00 a 0.00 21.50 156.50 366.00 163.50 142.00 2.00 0.00 0.00 851.50
1941 0.00 0.00 0.00 a 0.00 88.00 162.00 328.08 a 290.50 103.93 b 0.00 0.00 0.00 972.51
1942 0.00 a 0.00 0.00 6.00 16.00 73.97 a 226.41 c 177.22 a 34.62 d 1.00 0.00 0.00 535.21
1943 0.00 0.00 0.00 0.00 28.93 a 193.00 281.00 232.50 12.50 0.00 0.00 c 0.00 747.93
1944 0.00 0.00 0.00 0.00 82.50 160.50 165.50 178.50 20.50 0.00 0.00 0.00 607.50
1945 0.00 a 0.00 0.00 0.00 6.50 42.50 171.00 174.50 60.00 2.00 0.00 0.00 456.50
1946 0.00 0.00 0.00 2.59 a 7.00 139.00 217.50 149.50 25.00 0.00 0.00 0.00 540.59
1947 0.00 0.00 0.00 0.00 0.00 48.50 211.50 371.50 126.50 23.50 0.00 0.00 781.50
1948 0.00 0.00 0.00 1.00 29.50 53.50 226.50 198.00 117.00 0.00 0.00 a 0.00 625.50
1949 0.00 0.00 0.00 0.00 34.00 135.00 274.50 243.00 8.00 1.00 0.00 0.00 695.50
1950 0.00 0.00 a 0.00 0.00 15.00 109.66 a 98.50 92.00 25.50 0.00 0.00 b 0.00 a 340.66
1951 0.00 0.00 0.00 2.00 1.00 28.00 133.00 98.68 a 0.00 a 7.00 0.00 0.00 269.68
1952 0.00 0.00 0.00 5.50 18.00 119.48 a 194.50 115.73 a 70.50 2.00 0.00 0.00 525.72
1953 0.00 0.00 0.00 0.00 13.00 141.50 177.22 a 186.50 43.50 8.00 0.00 0.00 569.72
1954 0.00 0.00 0.00 2.00 5.68 a 135.50 275.50 123.50 21.00 0.00 0.00 0.00 563.18
1955 0.00 0.00 0.00 0.00 32.50 66.00 359.50 323.50 67.50 0.52 a 0.00 0.00 849.52
1956 0.00 a 0.00 a 0.00 0.00 44.95 a 246.21 a 136.50 159.50 39.00 3.00 0.00 0.00 629.16
1957 0.00 0.00 0.00 0.00 4.00 46.50 331.70 a 147.25 a 16.50 0.00 0.00 0.00 545.95
1958 0.00 0.00 0.00 0.00 36.00 33.50 126.00 237.00 48.00 7.50 0.00 0.00 488.00
1959 0.00 0.00 0.00 0.00 25.50 183.50 190.50 254.50 60.00 0.00 0.00 0.00 714.00
1960 0.00 0.00 0.00 5.00 5.50 39.00 210.00 162.00 99.50 0.00 0.00 0.00 521.00
1961 0.00 0.00 0.00 0.00 4.00 108.50 124.00 200.50 53.50 0.50 0.00 0.00 491.00
1962 0.00 0.00 0.00 8.50 31.50 77.00 130.50 148.00 12.50 10.00 0.00 0.00 418.00
1963 0.00 0.00 0.00 3.00 16.50 165.00 236.50 169.00 33.00 14.00 0.00 0.00 637.00
1964 0.00 0.00 0.00 1.00 47.00 138.00 311.00 123.50 28.00 0.00 0.00 0.00 648.50
1965 0.00 0.00 0.00 0.00 4.50 56.50 157.50 151.00 3.50 0.00 0.00 0.00 373.00
1966 0.00 0.00 0.00 0.00 17.50 111.00 326.00 117.50 31.00 0.00 0.00 a 0.00 603.00
1967 0.00 0.00 0.00 0.00 19.00 40.50 158.50 109.50 10.00 2.50 0.00 0.00 340.00
1968 0.00 0.00 0.00 0.00 7.00 139.00 167.00 191.00 20.50 9.50 0.00 0.00 534.00
1969 0.00 0.00 0.00 0.00 59.50 35.50 208.50 196.00 39.50 3.50 0.00 0.00 542.50
1970 0.00 0.00 0.00 10.00 53.00 166.00 245.50 205.50 89.00 8.50 0.00 0.00 777.50
1971 0.00 0.00 0.00 0.50 7.00 205.00 133.00 215.00 76.00 10.00 0.00 0.00 646.50
1972 0.00 0.00 0.00 0.00 80.50 110.00 179.00 202.00 40.00 0.00 0.00 0.00 611.50
1973 0.00 a 0.00 0.00 0.00 10.00 146.50 201.50 275.50 30.50 7.00 0.00 z 0.00 671.00
1974 0.00 0.00 0.00 4.00 14.50 91.50 343.00 77.50 12.41 a 0.00 0.00 0.00 a 542.91
1975 0.00 e 0.00 0.00 b 0.00 36.68 a 96.00 298.00 163.50 9.00 1.00 0.00 a 0.00 b 604.18
1976 0.00 a 0.00 0.00 c 4.14 a 5.50 120.00 280.50 244.00 69.50 0.00 e 0.00 0.00 d 723.64
1977 0.00 b 0.00 0.00 b 6.96 b 82.50 142.00 312.50 64.50 32.50 0.00 a 0.00 d 0.00 b 640.96
1978 0.00 e 0.00 0.00 b 0.00 29.00 134.42 d 182.50 177.45 b 142.00 0.00 g 0.00 b 0.00 d 665.37
1979 0.00 c 0.00 b 0.00 a 0.00 24.50 103.00 195.50 121.50 51.50 0.00 0.00 0.00 c 496.00
1980 0.00 d 0.00 0.00 16.00 40.30 a 120.00 c 228.22 b 159.50 50.00 4.81 b 0.00 0.00 c 618.83
1981 0.00 a 0.00 0.00 9.00 13.00 95.50 229.00 122.00 0.00 z 0.00 0.00 z 0.00 c 468.50
1982 0.00 a 0.00 0.00 0.00 7.50 23.50 181.00 135.00 21.50 0.00 0.00 0.00 a 368.50
1983 0.00 c 0.00 0.00 0.00 4.50 86.50 290.50 299.50 64.00 3.50 0.00 0.00 748.50
1984 0.00 0.00 0.00 0.00 3.50 46.50 136.50 174.50 16.50 0.00 z 0.00 0.00 377.50
1985 0.00 0.00 0.00 18.50 40.50 61.50 144.50 55.00 43.00 0.00 0.00 0.00 363.00
1986 0.00 0.00 0.00 0.00 11.50 125.00 214.00 54.50 9.00 0.00 0.00 0.00 414.00
1987 0.00 0.00 0.00 10.50 44.50 143.50 230.00 88.50 12.00 0.00 0.00 0.00 529.00
1988 0.00 0.00 0.00 0.00 71.00 283.50 295.00 264.00 39.00 0.00 0.00 0.00 952.50
1989 0.00 0.00 a 0.00 1.50 25.50 102.00 281.00 134.00 36.00 6.50 0.00 0.00 586.50
1990 0.00 0.00 0.00 27.00 7.00 150.00 167.50 162.00 115.50 0.00 0.00 0.00 629.00
1991 0.00 0.00 0.00 3.50 84.50 207.50 164.00 158.50 48.50 0.50 0.00 0.00 667.00
1992 0.00 0.00 0.00 1.00 41.50 62.50 30.00 61.00 12.50 2.00 0.00 0.00 210.50
1993 0.00 0.00 0.00 0.00 a 4.00 48.50 124.00 154.50 6.00 6.50 0.00 0.00 343.50
1994 0.00 0.00 0.00 0.50 79.50 113.50 109.50 107.50 75.50 0.00 0.00 0.00 486.00
1995 0.00 0.00 0.00 0.00 0.00 169.00 219.50 248.50 34.00 2.50 0.00 0.00 673.50
1996 0.00 0.00 0.00 0.00 22.00 137.50 113.50 128.00 54.00 0.50 0.00 0.00 455.50
1997 0.00 0.00 0.00 0.00 7.50 141.50 227.50 135.50 59.50 19.50 0.00 0.00 591.00
1998 0.00 0.00 0.00 0.00 73.00 76.50 205.00 168.50 98.00 0.00 0.00 0.00 621.00
1999 0.00 a 0.00 a 0.00 0.00 21.00 131.00 287.50 143.00 46.50 0.00 d 0.00 0.00 a 629.00
2000 0.00 c 0.00 1.50 0.00 36.50 97.00 231.00 195.50 56.50 2.50 0.00 0.00 b 620.50
2001 0.00 b 0.00 b 0.00 9.00 31.50 142.00 279.00 212.00 46.00 0.00 0.00 0.00 b 719.50
2002 0.00 0.00 0.00 9.50 25.50 175.50 339.00 147.50 97.00 0.00 0.00 0.00 794.00
2003 0.00 0.00 0.00 4.50 4.00 89.50 194.50 218.00 45.00 6.00 0.00 0.00 561.50
2004 0.00 0.00 0.00 0.00 15.00 53.50 147.00 61.00 95.00 0.00 0.00 0.00 371.50
2005 0.00 a 0.00 0.00 0.50 10.50 154.50 239.50 128.00 104.00 8.50 0.00 0.00 a 645.50
2006 0.00 0.00 0.00 0.00 55.00 102.50 311.00 164.00 14.50 10.00 0.00 0.00 z 657.00
2007 0.00 0.00 0.00 5.50 42.50 147.00 269.50 166.00 87.50 18.50 0.00 0.00 736.50
2008 0.00 0.00 0.00 0.00 1.00 39.50 207.50 129.00 46.50 0.00 0.00 0.00 423.50
2009 0.00 0.00 0.00 0.00 24.50 102.50 55.50 83.00 28.50 0.00 0.00 0.00 a 294.00
2010 0.00 0.00 0.00 0.00 41.00 77.00 208.50 252.00 4.50 3.00 0.00 0.00 a 586.00
2011 0.00 0.00 0.00 0.00 8.55 b 92.50 305.00 135.50 28.00 22.50 0.00 a 0.00 a 592.05
2012 0.00 a 0.00 7.23 a 4.62 d 36.00 163.45 a 377.50 174.00 68.00 0.00 0.00 0.00 830.80
2013 0.00 0.00 0.00 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
Period of Record Statistics
MEAN 0.00 0.00 0.09 2.53 30.12 114.43 229.94 178.12 56.34 4.09 0.03 0.00 632.88
S.D. 0.00 0.00 0.70 4.44 31.85 63.26 92.65 72.17 43.53 6.38 0.34 0.00 204.22
SKEW 0.00 0.00 9.45 2.56 2.89 1.03 0.62 0.52 1.02 1.82 10.30 0.00 0.51
MAX 0.00 0.00 7.23 27.00 236.50 376.00 571.00 392.50 196.00 27.50 3.50 0.00 1283.00
MIN 0.00 0.00 0.00 0.00 0.00 9.50 30.00 54.50 0.00 0.00 0.00 0.00 210.50
NO YRS 111 114 114 112 112 112 111 110 107 108 109 109 97