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
1893 0.00 z 0.00 z 0.00 n 0.00 0.00 i 167.50 148.00 68.00 38.50 0.00 0.00 0.00 c 422.00
1894 0.00 0.00 0.00 a 1.50 17.50 156.00 214.50 147.00 78.50 0.00 0.00 0.00 615.00
1895 0.00 0.00 0.00 3.50 25.00 89.50 136.00 71.00 43.50 0.00 0.00 0.00 368.50
1896 0.00 0.00 0.00 2.50 73.00 88.00 127.50 119.50 8.50 0.00 0.00 0.00 419.00
1897 0.00 0.00 0.00 2.00 16.50 80.17 a 228.00 0.00 z 109.00 6.00 0.00 0.00 z 441.67
1898 0.00 0.00 0.00 0.00 15.50 98.50 161.72 a 77.00 50.50 4.00 0.00 0.00 a 407.22
1899 0.00 0.00 0.00 0.50 8.50 42.50 156.00 111.00 16.00 0.00 0.00 0.00 334.50
1900 0.00 0.00 0.00 a 0.00 31.00 102.50 119.00 284.00 48.50 3.00 0.00 0.00 588.00
1901 0.00 0.00 b 0.00 5.50 23.50 94.20 e 272.00 177.00 27.00 0.00 0.00 0.00 599.20
1902 0.00 0.00 0.00 0.00 37.50 20.00 f 123.43 d 64.00 1.50 0.00 0.00 0.00 226.43
1903 0.00 0.00 0.00 b 0.00 19.12 a 33.50 73.88 a 50.50 10.50 0.00 0.00 0.00 187.50
1904 0.00 a 0.00 0.00 0.00 a 4.00 43.33 c 50.50 56.50 9.50 0.00 0.00 a 0.00 v 163.83
1905 0.00 0.00 0.00 0.00 1.00 30.50 86.00 129.00 43.50 2.50 0.00 0.00 292.50
1906 0.00 0.00 0.00 4.50 12.50 38.50 122.50 128.50 63.50 0.00 0.00 0.00 370.00
1907 0.00 0.00 0.00 0.00 0.00 57.50 75.00 119.50 19.50 0.00 0.00 0.00 c 271.50
1908 0.00 0.00 0.00 a 7.50 11.00 57.00 148.50 95.58 a 120.00 3.00 0.00 0.00 442.58
1909 0.00 0.00 0.00 0.00 8.50 78.00 135.50 205.00 17.00 9.00 0.00 0.00 453.00
1910 0.00 0.00 2.50 0.00 0.00 0.00 z 144.00 0.00 z 7.00 6.00 0.00 a 0.00 a 159.50
1911 0.00 0.00 z 0.00 z 1.00 75.50 189.50 160.00 65.00 21.50 0.00 d 0.00 0.00 b 512.50
1912 0.00 z 0.00 0.00 0.00 0.50 115.00 245.00 0.00 z 0.00 z 0.00 z 0.00 0.00 360.50
1913 0.00 z 0.00 0.00 z 6.00 17.50 161.50 89.50 0.00 z 64.50 7.50 0.00 z 0.00 346.50
1914 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
1915 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
1916 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 0.00 0.00 a 0.00
1917 0.00 0.00 0.00 0.00 5.17 a 36.72 a 211.00 47.53 a 26.25 b 0.00 b 0.00 a 0.00 326.67
1918 0.00 0.00 0.00 0.00 31.00 d 26.00 k 84.00 k 0.00 z 1.15 d 0.00 z 0.00 z 0.00 z 32.15
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 0.00 z 0.00 z 0.00 0.00 34.50 120.00 235.00 269.50 58.50 6.00 s 0.00 0.00 717.50
1938 0.00 0.00 a 0.00 0.54 b 2.00 104.50 165.50 0.00 z 0.00 y 0.00 0.00 l 0.00 272.54
1939 0.00 u 0.00 a 0.00 0.00 39.00 66.50 154.50 72.00 56.50 0.00 0.00 0.00 z 388.50
1940 0.00 a 0.00 0.00 0.00 18.00 43.50 220.00 113.50 70.00 0.00 0.00 d 0.00 465.00
1941 0.00 b 0.00 i 0.00 0.00 47.50 142.00 245.50 154.50 52.50 0.00 0.00 0.00 642.00
1942 0.00 0.00 0.00 0.00 z 2.50 n 46.00 118.50 119.00 20.50 0.00 0.00 0.00 304.00
1943 0.00 0.00 l 0.00 z 0.00 z 19.63 a 200.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 0.00 220.13
1944 0.00 0.00 0.00 0.00 47.00 118.00 132.50 153.50 7.50 0.00 0.00 0.00 a 458.50
1945 0.00 z 0.00 0.00 r 0.00 0.00 42.00 165.00 163.00 51.50 0.00 0.00 z 0.00 z 421.50
1946 0.00 z 0.00 0.00 1.00 11.50 72.00 151.50 107.50 19.50 0.00 0.00 0.00 a 363.00
1947 0.00 0.00 q 0.00 0.00 0.00 53.50 202.50 g 338.50 69.00 5.50 0.00 0.00 f 466.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 173.50 160.00 82.00 0.00 c 0.00 j 0.00 b 415.50
1949 0.00 0.00 0.00 c 0.00 h 0.00 z 0.00 z 29.50 y 187.50 4.00 0.00 0.00 0.00 191.50
1950 0.00 0.00 a 0.00 0.00 11.00 84.50 70.00 59.50 0.50 0.00 0.00 0.00 225.50
1951 0.00 0.00 0.00 0.00 5.00 9.50 125.50 30.50 0.00 4.00 0.00 b 0.00 174.50
1952 0.00 0.00 0.00 a 12.50 19.50 76.00 149.50 67.50 63.50 0.00 0.00 0.00 388.50
1953 0.00 0.00 0.00 0.00 11.00 94.50 140.00 171.00 34.50 19.50 0.00 0.00 470.50
1954 0.00 0.00 0.00 0.00 2.50 92.00 176.00 88.00 14.50 0.00 0.00 0.00 a 373.00
1955 0.00 0.00 0.00 3.00 42.00 75.50 287.50 213.00 43.50 1.00 0.00 0.00 665.50
1956 0.00 0.00 0.00 a 0.00 13.50 134.50 67.50 108.00 17.00 7.50 0.00 0.00 a 348.00
1957 0.00 a 0.00 0.00 0.00 a 5.34 b 21.00 249.15 d 100.00 11.50 0.00 c 0.00 b 0.00 e 386.99
1958 0.00 0.00 b 0.00 b 0.00 f 4.50 h 22.50 83.18 a 122.50 33.00 0.00 a 0.00 a 0.00 261.18
1959 0.00 a 0.00 0.00 0.00 g 45.47 a 155.17 a 195.82 a 209.00 49.00 0.00 c 0.00 0.00 654.46
1960 0.00 0.00 b 0.00 0.00 5.00 32.50 212.50 185.00 95.50 0.00 0.00 0.00 530.50
1961 0.00 a 0.00 0.00 0.00 13.50 125.50 133.00 209.00 81.00 5.17 a 0.00 0.00 567.17
1962 0.00 0.00 0.00 4.66 a 11.00 74.00 94.50 131.75 a 11.00 6.50 0.00 0.00 333.41
1963 0.00 0.00 0.00 b 0.00 15.00 164.50 229.00 132.00 33.00 8.50 0.00 0.00 582.00
1964 0.00 0.00 0.00 0.00 43.50 135.50 235.00 105.00 32.00 0.00 0.00 0.00 551.00
1965 0.00 0.00 b 0.00 0.00 4.50 54.00 128.50 127.00 1.55 a 0.00 0.00 0.00 315.55
1966 0.00 0.00 0.00 0.00 10.00 119.00 270.00 93.00 39.00 0.00 0.00 0.00 b 531.00
1967 0.00 0.00 0.00 0.00 1.50 46.00 140.50 88.00 10.50 4.50 0.00 0.00 291.00
1968 0.00 0.00 0.00 0.00 1.50 74.00 158.50 160.00 21.00 13.50 0.00 b 0.00 g 428.50
1969 0.00 0.00 0.00 0.00 56.00 12.50 143.00 214.00 33.50 3.50 0.00 0.00 462.50
1970 0.00 0.00 0.00 0.00 14.00 147.50 259.50 141.50 76.50 6.50 0.00 0.00 645.50
1971 0.00 0.00 0.00 0.00 2.50 131.50 75.50 121.50 56.50 5.50 0.00 0.00 393.00
1972 0.00 0.00 k 0.00 0.00 54.00 83.50 135.50 184.50 7.50 0.00 0.00 0.00 465.00
1973 0.00 0.00 0.00 0.00 0.50 81.00 155.50 175.00 33.50 5.00 0.00 0.00 450.50
1974 0.00 0.00 0.00 3.50 10.50 75.00 275.50 76.50 0.00 0.00 0.00 0.00 441.00
1975 0.00 0.00 0.00 0.00 33.50 100.00 294.50 128.50 6.50 6.00 0.00 0.00 569.00
1976 0.00 0.00 0.00 0.00 0.50 144.00 208.50 213.50 66.00 1.00 0.00 0.00 633.50
1977 0.00 a 0.00 0.00 4.50 97.50 84.50 231.00 28.00 13.00 0.00 0.00 0.00 458.50
1978 0.00 0.00 0.00 0.00 52.50 85.86 a 166.50 165.00 0.00 z 0.00 0.00 0.00 469.86
1979 0.00 0.00 0.00 0.00 11.50 72.00 161.50 74.00 55.50 0.00 0.00 0.00 374.50
1980 0.00 0.00 0.00 22.00 35.50 v 60.00 156.50 74.00 20.50 0.00 a 0.00 0.00 333.00
1981 0.00 0.00 0.00 0.00 6.00 33.00 137.50 110.00 20.00 0.00 0.00 0.00 306.50
1982 0.00 0.00 0.00 0.00 11.00 20.50 186.50 155.50 25.00 0.00 0.00 0.00 398.50
1983 0.00 0.00 0.00 0.00 2.50 108.00 273.50 238.00 68.50 0.00 0.00 0.00 690.50
1984 0.00 0.00 0.00 0.00 14.00 54.50 169.50 226.50 14.50 2.00 0.00 0.00 481.00
1985 0.00 0.00 0.00 3.50 34.00 55.50 157.50 46.00 29.50 0.00 0.00 0.00 326.00
1986 0.00 0.00 0.00 0.00 29.50 134.00 207.50 80.00 19.00 0.00 0.00 0.00 470.00
1987 0.00 0.00 0.00 10.00 78.00 179.50 296.00 139.00 20.50 0.00 0.00 0.00 723.00
1988 0.00 0.00 0.00 0.50 89.50 267.00 350.00 251.50 29.50 0.00 0.00 0.00 988.00
1989 0.00 0.00 0.00 0.00 23.00 106.00 295.50 176.50 37.00 12.00 0.00 0.00 650.00
1990 0.00 0.00 0.00 20.50 9.50 121.50 141.50 171.00 72.00 0.00 0.00 0.00 536.00
1991 0.00 0.00 0.00 0.00 95.00 156.00 178.00 197.50 39.50 0.00 0.00 0.00 666.00
1992 0.00 0.00 0.00 0.50 54.00 54.50 39.50 91.50 20.00 3.50 0.00 0.00 263.50
1993 0.00 0.00 0.00 0.00 7.50 47.50 123.50 145.50 2.00 0.00 0.00 0.00 326.00
1994 0.00 0.00 0.00 0.00 47.00 114.00 127.00 93.00 57.00 0.00 0.00 0.00 438.00
1995 0.00 0.00 0.00 0.00 5.00 191.50 182.00 198.50 47.00 5.00 0.00 0.00 629.00
1996 0.00 0.00 0.00 0.00 7.50 124.50 110.00 159.00 57.00 0.00 0.00 0.00 458.00
1997 0.00 0.00 0.00 0.00 1.50 129.00 193.50 112.50 44.50 22.50 0.00 a 0.00 503.50
1998 0.00 0.00 0.00 0.00 58.50 67.00 184.50 192.00 101.00 0.00 0.00 0.00 603.00
1999 0.00 0.00 0.00 0.00 17.50 127.00 269.00 138.00 36.50 0.00 0.00 0.00 588.00
2000 0.00 0.00 0.00 0.00 32.00 64.00 190.00 154.50 27.00 2.00 0.00 0.00 469.50
2001 0.00 0.00 0.00 9.50 22.50 133.00 258.50 232.50 44.00 0.00 0.00 0.00 700.00
2002 0.00 0.00 0.00 6.00 23.50 170.50 274.50 136.00 98.00 0.00 0.00 0.00 708.50
2003 0.00 0.00 0.00 7.50 6.00 64.00 197.50 238.00 52.50 16.50 0.00 0.00 582.00
2004 0.00 0.00 0.00 0.50 3.00 42.50 141.50 47.50 88.50 0.50 0.00 0.00 324.00
2005 0.00 0.00 0.00 5.50 0.50 128.28 a 234.50 152.70 d 43.80 e 0.00 z 0.00 z 0.00 z 565.28
2006 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
2007 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 4.50 0.00 0.00 4.50
2008 0.00 0.00 0.00 0.00 0.00 11.00 65.00 52.00 21.00 0.00 0.00 0.00 149.00
2009 0.00 0.00 0.00 1.00 4.50 26.50 12.00 39.50 18.00 0.00 0.00 0.00 101.50
2010 0.00 0.00 0.00 0.00 26.50 23.50 113.50 145.50 0.00 3.50 0.00 0.00 312.50
2011 0.00 0.00 0.00 0.00 4.00 26.50 201.00 70.50 22.00 9.50 0.00 0.00 333.50
2012 0.00 0.00 0.00 0.00 28.00 55.00 240.00 70.00 22.50 0.00 0.00 0.00 415.50
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 0.03 1.66 21.84 89.90 171.48 134.56 37.15 2.40 0.00 0.00 455.73
S.D. 0.00 0.00 0.26 3.90 23.10 50.85 67.21 62.96 27.83 4.37 0.00 0.00 158.47
SKEW 0.00 0.00 9.43 3.37 1.49 0.68 0.20 0.58 0.80 2.46 0.00 0.00 0.38
MAX 0.00 0.00 2.50 22.00 97.50 267.00 350.00 338.50 120.00 22.50 0.00 0.00 988.00
MIN 0.00 0.00 0.00 0.00 0.00 9.50 12.00 28.00 0.00 0.00 0.00 0.00 101.50
NO YRS 90 90 92 91 91 92 93 90 93 94 93 91 70