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 0.00 121.55 a 144.00 49.08 a 21.72 a 0.00 r 0.00 n 0.00 336.36
1894 0.00 0.00 g 0.00 0.00 0.00 160.00 193.00 76.00 45.00 0.00 0.00 0.00 474.00
1895 0.00 e 0.00 z 0.00 0.00 z 55.00 106.00 76.50 60.50 106.50 0.00 0.00 b 0.00 404.50
1896 0.00 0.00 0.00 5.50 46.00 78.00 137.50 157.50 8.00 0.00 a 0.00 g 0.00 432.50
1897 0.00 0.00 0.00 0.00 a 2.00 37.78 c 216.48 a 44.50 81.50 8.50 0.00 0.00 390.76
1898 0.00 0.00 0.00 0.00 3.50 71.50 178.25 a 71.00 59.50 5.50 0.00 0.00 389.25
1899 0.00 0.00 0.00 11.00 5.50 65.50 114.00 151.50 24.50 16.00 0.00 0.00 388.00
1900 0.00 0.00 a 0.00 0.00 28.50 79.50 127.10 a 291.50 76.50 12.50 0.00 0.00 615.60
1901 0.00 0.00 0.00 7.00 8.00 144.00 258.50 119.50 27.00 1.55 a 0.00 z 0.00 z 565.55
1902 0.00 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
1903 0.00 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
1904 0.00 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
1905 0.00 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
1906 0.00 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
1907 0.00 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
1908 0.00 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
1909 0.00 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
1910 0.00 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
1911 0.00 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
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 z 0.00 z 0.00 z 0.00 z 0.00
1913 0.00 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
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 z 0.00 z 0.00 z 0.00
1917 0.00 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
1918 0.00 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
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 a 2.00 12.00 117.00 127.00 98.50 62.00 0.00 0.00 0.00 418.50
1926 0.00 0.00 0.00 0.00 8.50 29.50 137.50 78.50 16.50 0.00 a 0.00 0.00 a 270.50
1927 0.00 0.00 0.00 0.00 1.50 51.50 109.00 21.00 81.50 0.00 0.00 0.00 264.50
1928 0.00 0.00 0.00 0.00 6.50 10.00 142.50 137.00 4.50 10.50 0.00 a 0.00 311.00
1929 0.00 0.00 0.00 0.00 32.50 49.50 155.50 70.50 60.50 0.00 0.00 0.00 368.50
1930 0.00 a 0.00 0.00 0.00 33.50 100.34 a 191.00 149.00 70.50 5.50 0.00 a 0.00 549.84
1931 0.00 0.00 a 0.00 0.00 13.95 a 159.50 272.00 120.50 114.50 6.50 0.00 0.00 686.95
1932 0.00 0.00 0.00 0.00 8.50 110.50 203.00 138.00 9.00 0.00 a 0.00 0.00 469.00
1933 0.00 0.00 0.00 0.00 26.00 247.00 232.00 95.50 86.50 0.00 b 0.00 0.00 687.00
1934 0.00 0.00 0.00 1.00 54.25 a 149.50 184.50 127.00 14.00 0.00 0.00 0.00 530.25
1935 0.00 a 0.00 0.00 2.00 1.00 0.00 z 314.50 171.00 37.50 0.00 a 0.00 0.00 526.00
1936 0.00 0.00 0.00 0.00 a 62.50 40.50 290.00 162.00 78.00 0.00 0.00 0.00 633.00
1937 0.00 0.00 0.00 o 0.00 28.00 91.00 270.50 287.50 102.00 0.00 0.00 0.00 779.00
1938 0.00 0.00 0.00 3.00 9.50 66.50 163.50 205.00 13.50 3.00 0.00 0.00 464.00
1939 0.00 0.00 b 0.00 0.50 91.50 208.50 270.50 147.50 97.00 0.50 0.00 0.00 816.00
1940 0.00 0.00 0.00 0.00 2.00 61.50 218.00 0.00 z 45.00 0.00 0.00 d 0.00 326.50
1941 0.00 a 0.00 0.00 7.00 51.50 162.00 257.50 149.00 63.50 0.00 a 0.00 0.00 690.50
1942 0.00 0.00 0.00 a 9.00 13.00 101.50 193.00 166.76 b 65.00 0.00 0.00 0.00 a 548.26
1943 0.00 0.00 a 0.00 a 0.00 20.00 229.66 a 268.50 197.50 23.00 0.00 0.00 0.00 738.66
1944 0.00 0.00 0.00 0.00 68.00 171.50 161.50 222.00 30.00 0.00 q 0.00 y 0.00 k 653.00
1945 0.00 0.00 0.00 4.00 0.00 a 72.00 151.00 182.50 44.00 i 0.00 0.00 0.00 409.50
1946 0.00 0.00 0.00 0.00 2.50 130.34 a 144.84 b 62.00 a 20.89 b 0.53 b 0.00 0.00 361.12
1947 0.00 0.00 0.00 0.00 a 6.00 39.81 d 236.50 314.50 82.24 a 0.00 a 0.00 0.00 679.05
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 56.50 148.00 121.00 39.50 0.00 0.00 0.00 365.00
1949 0.00 d 0.00 0.00 0.00 b 38.00 220.00 287.00 202.00 3.50 12.50 0.00 0.00 763.00
1950 0.00 0.00 0.00 0.00 19.50 133.50 131.50 82.50 8.00 3.50 0.00 0.00 378.50
1951 0.00 0.00 0.00 2.00 38.50 35.00 170.00 68.50 19.00 3.10 a 0.00 a 0.00 336.10
1952 0.00 0.00 0.00 5.50 6.00 140.17 a 239.50 102.50 59.50 0.00 a 0.00 0.00 553.17
1953 0.00 0.00 0.00 0.00 23.00 138.50 230.00 178.50 57.00 4.50 0.00 0.00 631.50
1954 0.00 0.00 a 0.00 0.00 3.10 a 163.00 218.03 a 96.50 24.50 0.00 0.00 a 0.00 505.13
1955 0.00 0.00 0.00 a 0.00 30.50 98.00 369.86 b 308.50 65.50 4.00 0.00 0.00 876.36
1956 0.00 0.00 0.00 0.00 19.00 163.97 a 104.50 115.65 e 16.00 4.50 0.00 a 0.00 a 423.62
1957 0.00 a 0.00 0.00 a 2.50 4.65 a 92.00 216.50 114.50 26.38 a 0.00 0.00 0.00 456.53
1958 0.00 0.00 0.00 2.00 6.50 36.50 122.00 159.00 21.00 0.00 0.00 0.00 a 347.00
1959 0.00 0.00 0.00 a 0.00 65.00 125.50 166.50 208.50 i 75.50 0.00 b 0.00 a 0.00 432.50
1960 0.00 0.00 0.00 1.00 2.00 37.50 154.48 a 165.50 89.00 0.00 0.00 0.00 449.48
1961 0.00 0.00 0.00 0.00 9.50 104.00 159.00 142.71 b 96.21 a 0.00 0.00 n 0.00 b 511.41
1962 0.00 0.00 0.00 6.50 80.00 70.00 73.00 121.00 10.00 4.50 0.00 0.00 365.00
1963 0.00 0.00 0.00 0.00 4.00 135.00 190.00 99.00 21.50 11.50 0.00 b 0.00 461.00
1964 0.00 0.00 0.00 4.50 56.00 124.50 226.50 91.00 30.50 0.00 0.00 0.00 533.00
1965 0.00 0.00 0.00 g 0.50 40.00 45.50 115.00 120.00 11.00 4.50 0.00 0.00 336.50
1966 0.00 0.00 0.00 0.00 13.50 138.50 239.50 104.50 28.00 1.00 0.00 0.00 525.00
1967 0.00 0.00 0.00 0.00 10.50 76.50 135.50 64.00 24.50 1.50 0.00 0.00 312.50
1968 0.00 0.00 0.00 1.00 2.00 97.50 164.50 159.50 22.50 23.50 0.00 0.00 470.50
1969 0.00 0.00 0.00 a 0.00 31.50 19.50 164.00 201.50 30.50 4.50 0.00 0.00 451.50
1970 0.00 0.00 0.00 9.00 30.00 145.00 0.00 z 0.00 z 0.00 z 4.13 a 0.00 b 0.00 188.13
1971 0.00 0.00 0.00 0.00 1.50 163.00 80.50 45.00 64.50 14.50 0.00 0.00 369.00
1972 0.00 0.00 0.00 0.00 34.00 30.00 113.50 109.50 6.50 0.00 0.00 0.00 293.50
1973 0.00 0.00 0.00 0.00 0.00 65.50 149.50 139.50 45.50 1.50 0.00 0.00 401.50
1974 0.00 0.00 0.00 9.00 7.00 36.00 218.00 72.50 9.50 0.00 0.00 0.00 a 352.00
1975 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.00 1.11 c 0.00 0.00 3.11
1976 0.00 0.00 0.00 3.50 0.50 120.00 202.00 122.00 45.00 1.50 0.00 0.00 494.50
1977 0.00 0.00 0.00 4.00 96.50 75.00 259.50 81.00 7.00 0.00 0.00 0.00 523.00
1978 0.00 0.00 0.00 0.00 52.00 40.96 d 80.37 d 96.74 b 64.29 b 0.00 0.00 0.00 334.36
1979 0.00 0.00 0.00 b 0.00 14.50 62.00 161.20 a 78.50 26.00 1.00 0.00 a 0.00 343.20
1980 0.00 0.00 0.00 3.00 27.00 85.50 215.97 a 141.50 20.69 a 0.00 0.00 a 0.00 b 493.66
1981 0.00 0.00 d 0.00 0.00 9.50 88.50 202.00 149.50 24.31 a 0.00 0.00 a 0.00 473.81
1982 0.00 0.00 0.00 0.00 48.00 19.50 223.00 123.00 50.00 5.50 0.00 0.00 469.00
1983 0.00 0.00 0.00 0.00 1.00 118.00 282.50 197.50 68.00 10.50 0.00 0.00 677.50
1984 0.00 0.00 0.00 0.50 5.00 72.50 126.00 170.00 13.50 0.00 0.00 0.00 a 387.50
1985 0.00 0.00 0.00 25.00 22.50 54.50 127.00 77.50 60.50 0.00 0.00 0.00 367.00
1986 0.00 0.00 0.00 10.50 24.50 58.50 202.00 51.00 24.00 0.00 0.00 0.00 370.50
1987 0.00 0.00 0.00 4.50 56.50 160.50 262.50 128.00 16.00 0.00 0.00 0.00 628.00
1988 0.00 0.00 0.00 0.00 35.00 189.50 235.50 244.00 34.50 1.00 0.00 0.00 739.50
1989 0.00 0.00 0.00 0.00 9.00 53.50 172.00 121.50 21.50 0.00 0.00 0.00 377.50
1990 0.00 0.00 0.00 33.50 6.50 85.00 135.50 108.00 49.50 0.00 0.00 0.00 418.00
1991 0.00 0.00 0.00 8.00 94.00 148.00 143.00 155.50 41.00 0.00 0.00 0.00 589.50
1992 0.00 0.00 0.00 0.00 32.00 60.00 45.50 72.50 13.50 1.50 0.00 0.00 225.00
1993 0.00 0.00 0.00 0.00 15.00 44.50 121.00 134.00 2.50 0.00 0.00 0.00 317.00
1994 0.00 0.00 0.00 0.00 30.00 142.00 125.50 71.50 46.00 0.00 0.00 0.00 415.00
1995 0.00 0.00 0.00 0.00 0.00 206.00 199.50 219.50 16.50 4.00 0.00 0.00 645.50
1996 0.00 0.00 0.00 0.00 12.00 81.00 78.00 107.50 47.00 0.00 0.00 0.00 325.50
1997 0.00 0.00 0.00 0.00 0.00 102.50 131.50 53.00 19.00 7.00 0.00 0.00 313.00
1998 0.00 0.00 0.00 0.00 56.00 103.50 149.50 139.00 55.00 0.00 0.00 0.00 503.00
1999 0.00 0.00 0.00 0.00 26.00 138.00 245.00 75.50 31.00 0.00 0.00 0.00 515.50
2000 0.00 0.00 0.00 0.00 36.00 65.50 123.00 97.00 35.00 3.00 0.00 0.00 359.50
2001 0.00 0.00 0.00 0.50 21.50 113.50 175.50 195.00 19.50 0.00 0.00 0.00 525.50
2002 0.00 0.00 0.00 19.00 11.50 122.00 275.00 115.00 60.50 6.00 0.00 0.00 609.00
2003 0.00 0.00 0.00 3.50 2.50 53.50 135.00 159.00 37.50 0.00 0.00 0.00 391.00
2004 0.00 0.00 0.00 0.00 5.00 40.00 101.00 63.00 56.50 0.00 0.00 0.00 265.50
2005 0.00 0.00 0.00 0.00 1.00 173.00 207.50 157.00 70.50 28.50 0.00 0.00 637.50
2006 0.00 0.00 0.00 0.00 47.50 77.00 255.50 104.50 9.00 0.00 0.00 0.00 493.50
2007 0.00 0.00 0.00 4.50 52.50 136.50 165.50 149.50 71.50 32.50 0.00 0.00 612.50
2008 0.00 0.00 0.00 0.00 0.00 65.50 154.00 100.50 36.00 2.00 0.00 0.00 358.00
2009 0.00 0.00 0.00 0.00 10.50 107.50 44.00 101.00 18.50 0.00 0.00 0.00 281.50
2010 0.00 0.00 0.00 1.50 68.00 75.50 206.00 211.50 21.00 0.00 0.00 0.00 583.50
2011 0.00 0.00 0.00 0.00 9.50 78.50 273.00 117.50 31.50 0.50 0.00 0.00 510.50
2012 0.00 0.00 2.50 0.00 45.50 164.50 331.00 132.00 34.00 0.00 k 0.00 z 0.00 z 709.50
Period of Record Statistics
MEAN 0.00 0.00 0.03 2.31 23.79 100.37 182.07 130.41 40.33 2.97 0.00 0.00 476.96
S.D. 0.00 0.00 0.26 5.20 23.87 52.04 65.44 58.91 27.49 5.89 0.00 0.00 143.77
SKEW 0.00 0.00 9.49 3.75 1.15 0.56 0.30 0.97 0.69 3.02 0.00 0.00 0.57
MAX 0.00 0.00 2.50 33.50 96.50 247.00 369.86 314.50 114.50 32.50 0.00 0.00 876.36
MIN 0.00 0.00 0.00 0.00 0.00 10.00 44.00 21.00 2.00 0.00 0.00 0.00 225.00
NO YRS 94 92 93 94 95 95 95 93 95 94 91 94 79