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 0.00 0.00 0.00 0.00 125.50 179.00 85.00 34.14 a 0.00 b 0.00 0.00 a 423.64
1894 0.00 b 0.00 a 0.00 0.00 3.50 167.50 189.50 97.50 55.50 0.00 0.00 0.00 513.50
1895 0.00 0.00 0.00 0.00 54.50 108.50 90.50 122.45 a 101.50 0.00 0.00 0.00 477.45
1896 0.00 0.00 0.00 0.00 66.50 105.00 147.50 143.50 14.50 0.00 a 0.00 0.00 477.00
1897 0.00 0.00 0.00 0.00 2.50 74.50 201.50 63.50 78.50 7.00 0.00 0.00 427.50
1898 0.00 0.00 a 0.00 0.00 0.00 110.00 202.00 90.93 a 58.50 2.07 a 0.00 0.00 463.50
1899 0.00 0.00 0.00 0.00 5.50 77.00 162.23 a 170.50 16.50 3.00 0.00 0.00 434.73
1900 0.00 0.00 0.00 0.00 b 16.50 89.50 116.50 308.00 34.00 4.00 0.00 c 0.00 a 568.50
1901 0.00 0.00 0.00 7.00 19.00 114.00 267.50 116.50 26.38 a 3.00 0.00 0.00 553.38
1902 0.00 b 0.00 0.00 0.50 52.00 40.50 228.50 118.50 0.50 0.00 0.00 0.00 440.50
1903 0.00 0.00 0.00 0.00 19.00 58.50 149.00 66.00 20.00 0.00 0.00 0.00 312.50
1904 0.00 0.00 0.00 0.00 10.50 70.00 80.50 56.00 18.50 0.00 0.00 0.00 235.50
1905 0.00 0.00 0.00 0.00 0.00 d 53.50 129.50 178.50 52.00 6.00 0.00 0.00 419.50
1906 0.00 0.00 a 0.00 0.00 24.50 92.00 120.50 164.50 110.00 0.00 0.00 0.00 511.50
1907 0.00 a 0.00 0.00 0.00 a 3.00 95.00 127.50 42.00 m 50.00 0.00 a 0.00 0.00 275.50
1908 0.00 0.00 0.00 1.03 a 12.00 68.79 a 164.09 b 92.50 140.00 1.50 0.00 0.00 479.91
1909 0.00 a 0.00 a 0.00 b 0.00 a 16.50 150.50 167.00 176.50 f 12.93 a 0.00 c 0.00 a 0.00 346.93
1910 0.00 0.00 0.00 0.00 0.00 151.50 159.00 91.00 6.50 1.50 0.00 0.00 a 409.50
1911 0.00 0.00 0.00 0.00 65.00 149.00 133.00 55.50 6.00 0.00 0.00 0.00 408.50
1912 0.00 0.00 0.00 0.00 10.00 50.50 135.00 33.00 76.00 0.00 0.00 0.00 304.50
1913 0.00 0.00 0.00 4.14 a 8.50 163.50 108.00 117.00 58.00 0.00 0.00 0.00 459.14
1914 0.00 0.00 0.00 0.00 20.50 56.50 176.50 73.00 24.50 0.00 0.00 0.00 351.00
1915 0.00 0.00 0.00 12.00 2.00 26.00 51.00 25.00 15.50 0.00 0.00 0.00 131.50
1916 0.00 0.00 0.00 0.00 0.00 10.00 304.00 162.50 22.00 1.50 0.00 0.00 500.00
1917 0.00 0.00 0.00 0.00 2.50 17.00 151.00 30.50 0.50 0.00 0.00 0.00 201.50
1918 0.00 0.00 0.00 0.00 25.00 17.59 a 97.50 102.00 0.00 0.00 0.00 0.00 242.09
1919 0.00 0.00 0.00 0.00 30.00 131.50 140.53 a 53.00 31.00 0.00 0.00 0.00 386.03
1920 0.00 0.00 0.00 c 0.00 5.50 103.00 82.00 72.50 40.00 4.00 0.00 0.00 307.00
1921 0.00 0.00 0.00 3.00 61.00 176.50 295.50 103.00 46.00 0.00 0.00 0.00 685.00
1922 0.00 0.00 0.00 0.00 21.00 72.00 57.00 123.00 88.00 14.00 0.00 0.00 375.00
1923 0.00 0.00 0.00 0.00 4.50 157.50 200.50 51.50 34.00 0.00 0.00 0.00 448.00
1924 0.00 0.00 0.00 0.00 0.00 e 16.00 77.00 58.00 0.00 0.00 0.00 0.00 151.00
1925 0.00 0.00 0.00 9.00 21.50 98.50 104.00 105.50 48.00 0.00 0.00 0.00 386.50
1926 0.00 0.00 0.00 0.00 25.50 28.00 124.00 64.50 15.00 0.00 0.00 0.00 257.00
1927 0.00 a 0.00 0.00 0.00 9.50 68.00 77.00 19.00 93.00 0.00 0.00 0.00 266.50
1928 0.00 0.00 b 0.00 0.00 3.50 9.00 142.00 135.88 a 2.50 5.50 0.00 0.00 298.38
1929 0.00 0.00 a 0.00 a 0.00 d 27.50 61.50 182.00 84.00 42.50 0.00 0.00 0.00 397.50
1930 0.00 0.00 0.00 1.50 23.00 66.50 182.50 137.00 40.50 13.50 0.00 d 0.00 g 464.50
1931 0.00 b 0.00 0.00 a 0.00 8.27 a 144.00 171.00 73.88 a 82.00 1.72 d 0.00 b 0.00 b 480.87
1932 0.00 b 0.00 a 0.00 a 0.00 4.28 b 62.00 113.87 e 115.50 5.17 a 0.00 0.00 0.00 300.81
1933 0.00 b 0.00 b 0.00 b 0.00 4.65 a 213.50 0.00 z 0.00 z 57.86 b 0.00 a 0.00 e 0.00 h 276.01
1934 0.00 f 0.00 h 0.00 g 11.00 f 57.00 k 133.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 133.00
1935 0.00 0.00 a 0.00 b 0.00 z 0.00 a 11.00 242.00 124.53 b 21.72 a 0.00 0.00 a 0.00 399.26
1936 0.00 a 0.00 0.00 0.00 22.22 a 27.00 285.95 b 168.50 48.50 0.00 0.00 0.00 552.16
1937 0.00 0.00 0.00 0.00 b 17.64 b 46.00 170.50 a 217.52 a 71.50 0.00 a 0.00 0.00 523.15
1938 0.00 0.00 0.00 1.55 a 3.10 a 34.50 84.00 115.00 4.50 0.00 0.00 0.00 242.65
1939 0.00 0.00 0.00 1.00 30.00 51.00 152.50 88.00 66.50 0.00 0.00 0.00 389.00
1940 0.00 0.00 0.00 0.00 a 0.00 36.96 b 163.00 87.50 42.50 0.00 0.00 0.00 329.96
1941 0.00 0.00 a 0.00 3.10 a 29.93 b 96.50 155.50 109.50 38.50 0.00 0.00 0.00 433.03
1942 0.00 0.00 0.00 1.00 2.14 b 39.00 96.50 61.50 19.29 b 0.00 0.00 0.00 219.42
1943 0.00 0.00 0.00 0.00 3.00 121.00 154.47 b 107.50 10.00 0.00 0.00 0.00 395.97
1944 0.00 0.00 0.00 0.00 31.00 93.50 70.00 89.50 f 8.50 0.00 0.00 0.00 203.00
1945 0.00 a 0.00 0.00 0.00 0.00 23.00 67.50 69.00 39.50 0.00 0.00 0.00 199.00
1946 0.00 0.00 0.00 0.00 2.50 56.50 107.50 67.50 11.00 0.00 0.00 0.00 245.00
1947 0.00 0.00 0.00 0.00 0.00 29.00 125.00 290.00 82.50 13.00 0.00 0.00 539.50
1948 0.00 0.00 0.00 6.50 6.00 27.93 a 145.38 b 146.98 b 63.00 0.00 0.00 c 0.00 395.79
1949 0.00 a 0.00 0.00 a 0.00 a 26.35 a 121.00 181.50 129.50 1.00 0.00 0.00 0.00 459.35
1950 0.00 0.00 0.00 0.00 9.00 52.76 a 64.00 0.00 z 4.00 3.50 0.00 0.00 133.26
1951 0.00 0.00 0.00 1.03 a 11.50 7.76 a 98.34 b 36.00 0.00 0.00 0.00 0.00 154.64
1952 0.00 0.00 0.00 16.00 8.50 84.31 a 153.50 52.50 29.50 0.00 b 0.00 a 0.00 344.31
1953 0.00 0.00 0.00 d 0.00 10.50 79.50 102.50 108.50 a 33.00 8.00 0.00 0.00 342.00
1954 0.00 0.00 0.00 c 0.00 0.00 116.50 113.50 49.50 4.29 b 0.00 0.00 0.00 283.79
1955 0.00 0.00 a 0.00 b 0.00 4.13 a 35.50 214.00 187.55 a 29.50 2.14 b 0.00 0.00 a 472.82
1956 0.00 0.00 0.00 0.00 4.00 104.50 56.00 79.50 6.00 2.50 0.00 0.00 252.50
1957 0.00 0.00 0.00 0.50 3.50 48.00 163.50 73.50 16.00 0.00 0.00 0.00 305.00
1958 0.00 0.00 0.00 0.50 0.50 17.00 50.00 81.50 11.00 0.00 0.00 0.00 160.50
1959 0.00 0.00 0.00 0.00 31.00 67.00 107.50 150.50 41.50 0.00 0.00 0.00 397.50
1960 0.00 0.00 0.00 2.00 0.00 11.50 98.00 112.50 74.50 0.00 0.00 0.00 298.50
1961 0.00 0.00 0.00 0.00 4.50 73.00 91.50 101.50 48.00 0.00 0.00 0.00 318.50
1962 0.00 0.00 0.00 4.00 47.50 35.00 47.50 74.50 7.00 4.00 0.00 0.00 219.50
1963 0.00 0.00 0.00 0.00 5.00 110.00 155.50 78.00 14.50 4.50 0.00 0.00 367.50
1964 0.00 0.00 0.00 0.00 25.00 92.50 197.50 85.00 14.50 0.00 0.00 0.00 414.50
1965 0.00 0.00 0.00 0.00 16.50 22.50 67.50 64.00 3.50 0.00 0.00 0.00 174.00
1966 0.00 0.00 0.00 0.00 1.50 93.50 195.00 66.00 23.50 0.00 0.00 0.00 379.50
1967 0.00 0.00 0.00 0.00 7.00 35.00 87.00 41.00 7.00 0.00 0.00 0.00 177.00
1968 0.00 0.00 0.00 0.00 0.00 74.00 123.00 145.50 6.50 11.00 0.00 0.00 360.00
1969 0.00 0.00 0.00 0.00 16.50 5.00 106.50 115.50 28.00 1.00 0.00 0.00 272.50
1970 0.00 0.00 0.00 6.00 20.00 99.00 159.00 100.00 35.50 0.00 0.00 0.00 419.50
1971 0.00 0.00 0.00 0.00 0.00 128.50 52.00 52.00 49.50 8.50 0.00 0.00 290.50
1972 0.00 0.00 0.00 0.00 40.50 30.00 82.00 101.00 0.00 0.00 0.00 0.00 253.50
1973 0.00 0.00 0.00 0.00 0.00 56.50 125.50 135.50 39.00 2.50 0.00 0.00 359.00
1974 0.00 0.00 0.00 0.50 4.50 14.50 159.00 66.50 0.50 0.00 0.00 0.00 245.50
1975 0.00 0.00 0.00 0.00 49.50 66.50 173.50 83.00 0.00 0.00 0.00 0.00 372.50
1976 0.00 0.00 0.00 3.50 0.00 85.50 142.50 108.00 26.50 3.00 0.00 0.00 369.00
1977 0.00 0.00 0.00 2.50 74.00 31.00 158.00 33.00 0.00 0.00 0.00 0.00 298.50
1978 0.00 0.00 0.00 0.00 31.00 57.00 84.00 91.50 73.00 0.00 a 0.00 0.00 336.50
1979 0.00 0.00 a 0.00 0.00 3.50 28.50 123.50 49.00 24.50 0.00 h 0.00 0.00 229.00
1980 0.00 0.00 0.00 0.00 25.50 49.50 137.50 83.50 6.50 0.00 0.00 0.00 302.50
1981 0.00 0.00 0.00 0.00 1.50 41.50 104.50 79.00 5.50 0.00 0.00 0.00 b 232.00
1982 0.00 0.00 0.00 0.00 21.50 6.00 145.00 81.50 16.00 0.00 0.00 0.00 270.00
1983 0.00 0.00 0.00 0.00 0.00 82.50 227.50 173.00 61.00 4.00 0.00 0.00 548.00
1984 0.00 0.00 0.00 0.00 0.00 48.00 89.00 139.50 3.50 0.00 0.00 0.00 280.00
1985 0.00 0.00 0.00 a 13.00 12.00 35.50 77.50 41.50 52.00 0.00 0.00 0.00 231.50
1986 0.00 0.00 0.00 5.50 17.00 39.00 132.00 17.50 8.50 0.00 0.00 0.00 219.50
1987 0.00 0.00 0.00 z 5.00 25.50 103.50 197.00 94.00 0.00 z 0.00 0.00 0.00 425.00
1988 0.00 0.00 0.00 0.00 22.50 138.00 225.00 211.50 15.00 0.00 0.00 0.00 612.00
1989 0.00 0.00 0.00 0.00 2.50 38.50 149.50 88.00 13.50 0.00 0.00 0.00 292.00
1990 0.00 0.00 0.00 14.50 5.00 49.50 109.00 72.50 36.00 0.00 0.00 0.00 286.50
1991 0.00 0.00 0.00 1.50 54.00 125.50 109.50 125.50 20.00 0.00 0.00 0.00 436.00
1992 0.00 0.00 0.00 0.00 21.50 35.50 9.00 46.00 7.00 0.00 0.00 0.00 119.00
1993 0.00 0.00 0.00 0.00 11.50 19.50 67.00 99.00 0.00 0.00 0.00 0.00 197.00
1994 0.00 0.00 0.00 0.00 17.00 107.50 71.50 49.50 37.50 0.00 0.00 0.00 283.00
1995 0.00 0.00 0.00 0.00 0.00 180.50 148.00 179.00 17.50 2.50 0.00 0.00 527.50
1996 0.00 0.00 0.00 0.00 7.50 61.50 49.00 93.50 45.00 0.00 0.00 0.00 256.50
1997 0.00 0.00 0.00 0.00 0.00 80.00 117.50 41.50 11.50 1.00 0.00 0.00 251.50
1998 0.00 0.00 0.00 0.00 38.50 78.50 125.50 93.00 49.50 0.00 0.00 0.00 385.00
1999 0.00 0.00 0.00 0.00 12.00 94.50 206.50 47.00 33.50 0.00 0.00 0.00 393.50
2000 0.00 a 0.00 0.00 0.00 27.00 36.00 110.50 82.00 26.50 0.00 0.00 0.00 282.00
2001 0.00 0.00 0.00 1.00 5.50 92.00 146.00 154.00 15.00 0.00 0.00 0.00 413.50
2002 0.00 0.00 0.00 5.00 9.00 95.00 228.50 66.00 44.00 0.00 0.00 0.00 447.50
2003 0.00 0.00 0.00 5.50 1.00 48.00 117.50 169.00 57.50 0.00 0.00 0.00 398.50
2004 0.00 0.00 0.00 0.00 0.50 35.00 99.50 37.50 55.50 0.00 0.00 0.00 228.00
2005 0.00 0.00 0.00 1.00 0.00 138.00 194.00 105.00 62.00 14.50 0.00 0.00 514.50
2006 0.00 0.00 0.00 0.00 43.00 66.00 251.50 91.50 4.00 0.50 0.00 0.00 456.50
2007 0.00 0.00 0.00 0.00 31.00 102.50 148.50 117.00 48.50 23.50 0.00 0.00 471.00
2008 0.00 0.00 0.00 0.00 0.00 23.00 99.50 61.50 27.00 1.50 0.00 0.00 212.50
2009 0.00 0.00 0.00 0.00 12.40 a 73.00 17.00 56.00 13.00 0.00 0.00 0.00 171.40
2010 0.00 0.00 0.00 0.00 42.50 45.50 148.50 157.00 2.00 0.00 0.00 0.00 395.50
2011 0.00 a 0.00 0.00 a 0.00 6.00 55.00 201.00 70.00 21.00 1.00 0.00 0.00 354.00
2012 0.00 b 0.00 1.00 0.00 26.00 78.10 a 248.00 107.00 40.50 0.00 i 0.00 z 0.00 z 500.60
Period of Record Statistics
MEAN 0.00 0.00 0.01 1.19 15.05 72.16 137.68 98.19 31.29 1.54 0.00 0.00 353.37
S.D. 0.00 0.00 0.09 2.95 16.79 44.49 57.98 50.10 27.39 3.68 0.00 0.00 116.44
SKEW 0.00 0.00 10.72 3.22 1.43 0.67 0.49 1.37 1.14 3.39 0.00 0.00 0.20
MAX 0.00 0.00 1.00 16.00 74.00 213.50 304.00 308.00 140.00 23.50 0.00 0.00 685.00
MIN 0.00 0.00 0.00 0.00 0.00 5.00 9.00 17.50 0.00 0.00 0.00 0.00 119.00
NO YRS 119 119 118 118 119 120 118 114 118 117 119 117 109