date! ,

Monthly Total Cooling Degree Days

(a vali)

Base Temperature = 65 F

File last updated on Apr 4, 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 b 0.00 z 0.00 z 0.00 d 2.00 151.55 a 102.50 33.50 g 36.72 a 0.00 c 0.00 0.00 292.78
1894 0.00 0.00 0.00 0.00 4.50 132.93 a 163.78 a 100.00 26.79 b 0.00 a 0.00 0.00 428.00
1895 0.00 0.00 0.00 0.00 9.00 12.69 d 51.50 44.50 10.18 b 0.00 0.00 0.00 a 127.87
1896 0.00 0.00 0.00 0.00 27.00 71.00 132.00 56.50 9.00 0.00 0.00 0.00 295.50
1897 0.00 0.00 0.00 0.00 9.50 44.50 n 0.00 z 0.00 z 0.00 z 5.17 a 0.00 0.00 i 14.67
1898 0.00 b 0.00 0.00 0.00 7.50 27.00 e 95.00 50.00 12.00 0.00 0.00 b 0.00 k 191.50
1899 0.00 0.00 0.00 d 0.00 0.00 z 0.00 z 107.00 75.00 10.00 0.00 0.00 a 0.00 192.00
1900 0.00 a 0.00 0.00 1.50 15.50 b 133.00 95.00 171.50 17.50 0.00 f 0.00 0.00 434.00
1901 0.00 0.00 0.00 0.00 37.00 48.00 142.00 79.00 26.54 d 0.55 c 0.00 0.00 333.09
1902 0.00 0.00 0.00 0.00 30.50 19.00 101.50 15.50 0.00 0.00 0.00 0.00 g 166.50
1903 0.00 c 0.00 0.00 0.00 23.50 25.00 99.00 h 28.50 0.00 a 0.00 0.00 0.00 77.00
1904 0.00 0.00 0.00 0.00 3.62 a 22.00 28.50 17.50 6.00 0.00 a 0.00 0.00 f 77.62
1905 0.00 0.00 0.00 b 0.00 2.00 17.00 67.50 94.07 b 30.58 d 3.00 0.00 0.00 a 214.15
1906 0.00 a 0.00 0.00 0.00 13.50 34.00 80.00 107.50 79.50 0.00 0.00 0.00 314.50
1907 0.00 0.00 0.00 0.00 0.00 59.00 72.00 80.50 3.21 b 0.00 0.00 0.00 214.71
1908 0.00 0.00 0.00 1.00 1.55 a 103.00 158.00 63.55 a 93.50 0.00 c 0.00 0.00 420.60
1909 0.00 0.00 0.00 0.00 9.00 82.50 117.50 152.42 a 29.50 7.50 0.00 a 0.00 398.42
1910 0.00 a 0.00 a 6.00 f 0.00 a 4.65 a 192.41 a 140.00 71.50 1.50 0.52 a 0.00 0.00 a 410.58
1911 0.00 0.00 0.00 0.50 22.50 119.00 80.00 57.50 4.00 0.00 0.00 0.00 283.50
1912 0.00 0.00 0.00 0.00 7.50 85.00 106.50 13.50 40.00 0.00 0.00 0.00 252.50
1913 0.00 0.00 0.00 1.50 27.00 135.00 69.00 149.50 52.50 0.00 0.00 0.00 434.50
1914 0.00 0.00 0.00 0.00 13.00 36.00 206.00 64.50 46.00 26.00 0.00 0.00 391.50
1915 0.00 0.00 0.00 0.50 0.00 14.50 40.50 74.00 47.50 0.00 0.00 0.00 177.00
1916 0.00 0.00 0.00 0.00 0.00 0.00 z 266.50 112.50 18.50 0.00 0.00 0.00 397.50
1917 0.00 0.00 0.00 0.00 6.50 29.50 162.00 75.50 16.00 0.00 z 0.00 0.00 289.50
1918 0.00 z 0.00 0.00 0.00 15.50 37.00 60.50 105.50 0.50 0.00 0.00 0.00 219.00
1919 0.00 0.00 0.00 0.00 39.50 142.50 151.00 92.50 31.50 0.00 0.00 0.00 457.00
1920 0.00 0.00 0.00 0.00 0.00 52.50 118.32 a 148.50 18.00 9.00 0.00 0.00 346.32
1921 0.00 0.00 0.00 0.00 28.00 177.00 200.00 85.50 26.50 0.00 0.00 0.00 517.00
1922 0.00 0.00 a 0.00 0.00 19.50 57.00 98.50 187.00 72.50 5.50 0.00 0.00 440.00
1923 0.00 0.00 0.00 0.00 31.50 147.00 231.00 37.00 15.50 0.52 a 0.00 0.00 462.52
1924 0.00 0.00 0.00 0.00 0.00 18.00 43.50 47.00 0.50 0.00 0.00 0.00 109.00
1925 0.00 0.00 0.00 0.00 24.50 39.00 102.00 129.50 33.50 0.00 0.00 0.00 328.50
1926 0.00 0.00 0.00 0.00 41.50 28.50 125.00 70.00 12.00 0.00 0.00 0.00 277.00
1927 0.00 a 0.00 a 0.00 0.00 0.00 69.00 79.50 45.50 84.50 0.00 0.00 0.00 a 278.50
1928 0.00 0.00 0.00 0.00 27.50 11.00 106.50 77.00 4.00 0.50 0.00 0.00 226.50
1929 0.00 0.00 0.00 0.00 25.00 62.00 156.00 115.00 34.50 0.00 0.00 0.00 392.50
1930 0.00 0.00 0.00 0.00 13.00 59.50 217.00 196.50 26.50 0.00 0.00 0.00 512.50
1931 0.00 0.00 0.00 0.00 18.50 153.50 213.50 141.50 71.00 0.00 0.00 0.00 598.00
1932 0.00 b 0.00 0.00 0.00 31.00 141.00 218.00 168.43 a 14.00 0.00 0.00 0.00 572.43
1933 0.00 0.00 0.00 0.00 17.57 a 205.50 216.00 167.50 39.50 0.00 0.00 0.00 646.07
1934 0.00 0.00 a 0.00 a 5.50 101.00 60.00 213.50 150.50 15.52 a 2.00 0.00 0.00 548.02
1935 0.00 a 0.00 0.00 a 0.00 0.00 34.00 294.50 a 122.50 8.28 a 0.00 0.00 0.00 a 459.28
1936 0.00 0.00 0.00 0.00 a 66.65 a 92.00 440.72 a 182.38 a 68.00 0.00 0.00 0.00 849.75
1937 0.00 0.00 0.00 0.00 15.00 55.50 170.50 230.50 34.50 4.50 0.00 0.00 510.50
1938 0.00 0.00 0.00 a 0.00 0.00 65.69 a 152.50 191.00 30.00 9.00 0.00 0.00 448.19
1939 0.00 0.00 0.00 0.00 61.00 56.50 233.00 206.67 a 53.50 0.00 a 0.00 0.00 610.67
1940 0.00 0.00 0.00 0.00 10.50 40.50 191.00 123.00 71.00 0.00 0.00 0.00 436.00
1941 0.00 0.00 0.00 2.00 36.00 120.50 226.50 121.00 53.00 0.00 0.00 0.00 559.00
1942 0.00 0.00 0.00 0.00 8.50 36.72 a 101.50 98.00 35.00 2.50 0.00 0.00 282.22
1943 0.00 0.00 0.00 0.00 0.00 72.50 216.50 123.00 9.50 0.00 0.00 0.00 421.50
1944 0.00 a 0.00 0.00 a 0.00 75.43 a 86.38 a 172.00 134.33 a 0.52 a 0.00 0.00 0.00 468.66
1945 0.00 0.00 0.00 0.00 0.00 46.00 131.50 113.15 a 46.50 0.00 0.00 a 0.00 337.15
1946 0.00 0.00 0.00 3.50 25.00 82.24 a 223.00 106.00 13.50 0.00 0.00 0.00 453.24
1947 0.00 0.00 a 0.00 0.00 0.50 24.50 202.50 206.00 51.00 0.00 0.00 0.00 484.50
1948 0.00 a 0.00 0.00 0.00 23.00 36.00 166.88 a 146.50 53.00 0.00 0.00 a 0.00 a 425.38
1949 0.00 0.00 0.00 b 6.72 a 16.02 a 76.50 142.08 a 220.50 7.00 0.00 0.00 a 0.00 468.82
1950 0.00 0.00 0.00 0.00 3.50 56.00 95.50 66.50 28.50 0.00 a 0.00 0.00 a 250.00
1951 0.00 0.00 a 0.00 0.00 15.00 17.59 a 121.50 40.00 1.61 b 0.00 0.00 a 0.00 195.69
1952 0.00 a 0.00 0.00 35.00 32.00 58.00 f 156.00 95.00 79.50 0.00 0.00 0.00 397.50
1953 0.00 a 0.00 0.00 a 0.00 18.08 a 89.50 152.50 219.00 23.50 13.50 0.00 0.00 b 516.08
1954 0.00 0.00 0.00 0.00 4.00 71.50 181.00 68.00 11.50 0.00 0.00 a 0.00 336.00
1955 0.00 0.00 a 0.00 6.00 50.50 58.50 248.50 210.50 33.00 2.50 0.00 0.00 609.50
1956 0.00 0.00 0.00 0.00 0.00 182.50 74.50 100.75 e 3.00 5.00 0.00 0.00 365.75
1957 0.00 0.00 0.00 a 0.50 3.00 5.50 252.00 119.50 6.50 0.00 0.00 0.00 387.00
1958 0.00 0.00 0.00 0.00 26.50 21.50 93.50 143.50 23.50 0.00 0.00 0.00 308.50
1959 0.00 0.00 0.00 0.00 26.00 112.00 192.00 186.50 35.50 0.00 0.00 0.00 552.00
1960 0.00 0.00 0.00 0.00 15.00 44.50 198.50 176.50 59.50 0.00 0.00 0.00 494.00
1961 0.00 0.00 0.00 0.00 15.50 157.00 155.50 242.50 19.00 0.50 0.00 0.00 590.00
1962 0.00 0.00 0.00 0.00 0.00 92.50 86.00 164.50 4.00 6.20 a 0.00 0.00 353.20
1963 0.00 0.00 0.00 0.00 15.50 181.50 258.00 164.00 43.00 8.50 0.00 0.00 670.50
1964 0.00 0.00 0.00 0.00 44.50 76.00 249.00 107.00 30.00 0.00 0.00 0.00 506.50
1965 0.00 0.00 0.00 0.00 a 0.00 51.00 122.50 0.00 z 0.00 z 0.00 0.00 0.00 173.50
1966 0.00 0.00 0.00 0.00 12.00 127.50 195.50 97.00 27.00 0.00 0.00 0.00 459.00
1967 0.00 0.00 c 0.00 0.00 8.00 28.00 141.00 107.50 33.50 0.00 0.00 0.00 318.00
1968 0.00 0.00 0.00 0.00 3.50 40.50 126.50 70.00 17.50 0.00 0.00 0.00 258.00
1969 0.00 0.00 0.00 0.00 0.00 z 5.50 124.00 236.00 41.50 0.00 0.00 0.00 407.00
1970 0.00 0.00 0.00 0.00 9.00 167.50 227.50 147.50 73.50 0.00 0.00 0.00 625.00
1971 0.00 0.00 0.00 0.00 2.00 93.00 61.00 140.00 48.50 0.00 0.00 0.00 344.50
1972 0.00 0.00 0.00 0.00 67.50 128.00 78.00 193.50 16.50 0.00 0.00 0.00 483.50
1973 0.00 0.00 0.00 0.00 5.50 0.00 z 140.50 255.00 11.50 0.00 0.00 0.00 412.50
1974 0.00 0.00 0.00 0.00 4.00 104.00 270.00 74.00 1.00 0.00 0.00 0.00 453.00
1975 0.00 b 0.00 z 0.00 z 0.00 z 14.50 89.50 251.50 111.00 1.00 4.00 0.00 0.00 471.50
1976 0.00 0.00 0.00 0.00 19.00 155.50 181.00 201.00 67.50 5.00 0.00 0.00 629.00
1977 0.00 0.00 0.00 8.50 141.00 67.00 171.00 9.00 2.00 0.00 0.00 0.00 398.50
1978 0.00 0.00 a 0.00 0.00 32.50 66.50 125.00 165.50 120.00 0.00 0.00 0.00 509.50
1979 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 39.00 0.00 0.00 0.00 39.00
1980 0.00 f 0.00 0.00 21.00 120.00 100.50 229.00 84.50 35.00 0.50 0.00 0.00 590.50
1981 0.00 0.00 0.00 0.00 13.50 29.50 194.50 199.50 38.57 b 0.00 0.00 0.00 475.57
1982 0.00 0.00 0.00 1.00 0.00 z 12.50 175.50 146.00 47.00 0.00 0.00 0.00 382.00
1983 0.00 0.00 0.00 0.00 2.50 110.00 315.50 303.00 65.00 0.00 0.00 0.00 796.00
1984 0.00 0.00 0.00 z 0.00 27.50 100.50 181.00 252.50 17.00 2.50 0.00 0.00 581.00
1985 0.00 0.00 0.00 7.00 35.50 47.50 161.50 69.50 3.00 0.00 0.00 0.00 324.00
1986 0.00 0.00 0.00 0.00 68.20 a 98.50 185.00 82.50 4.00 0.00 0.00 0.00 438.20
1987 0.00 0.00 0.00 17.50 82.00 207.00 279.00 141.50 28.00 0.00 0.00 0.00 755.00
1988 0.00 0.00 0.00 2.00 99.50 295.50 299.50 255.50 13.50 0.00 0.00 0.00 965.50
1989 0.00 0.00 0.00 0.00 33.00 83.00 353.50 211.50 52.00 6.50 0.00 0.00 739.50
1990 0.00 0.00 0.00 28.00 14.50 117.50 192.50 228.00 80.00 0.00 0.00 0.00 660.50
1991 0.00 0.00 0.00 2.00 107.00 164.50 179.00 221.50 50.00 0.00 0.00 0.00 724.00
1992 0.00 0.00 0.00 5.00 70.50 51.50 32.50 88.00 8.00 5.50 0.00 0.00 261.00
1993 0.00 0.00 0.00 0.00 18.00 52.50 61.00 100.00 0.00 0.00 0.00 0.00 231.50
1994 0.00 0.00 0.00 2.00 30.00 60.50 65.00 93.00 35.00 0.00 0.00 0.00 a 285.50
1995 0.00 0.00 0.00 0.00 5.00 148.50 123.50 166.50 39.50 0.00 0.00 0.00 483.00
1996 0.00 0.00 0.00 0.00 0.50 164.50 111.50 199.50 60.50 0.00 0.00 0.00 536.50
1997 0.00 0.00 0.00 0.00 3.50 108.00 164.00 111.50 21.50 3.00 0.00 0.00 411.50
1998 0.00 0.00 0.00 0.00 16.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 b 0.00 0.00 16.00
1999 0.00 0.00 0.00 0.00 16.50 76.00 180.00 91.00 2.50 0.00 0.00 0.00 366.00
2000 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 139.00 7.50 0.00 0.00 z 0.00 z 146.50
2001 0.00 0.00 0.00 4.50 7.50 91.00 198.50 186.00 40.50 0.00 0.00 0.00 528.00
2002 0.00 0.00 0.00 0.00 26.00 116.90 a 232.00 105.00 60.00 0.00 0.00 0.00 539.90
2003 0.00 0.00 0.00 0.00 6.00 60.50 140.50 219.00 38.00 3.00 0.00 0.00 467.00
2004 0.00 0.00 0.00 0.00 0.00 32.50 115.00 15.50 38.00 0.00 0.00 0.00 201.00
2005 0.00 0.00 0.00 4.50 8.00 82.50 199.00 92.00 40.00 1.00 0.00 0.00 427.00
2006 0.00 0.00 0.00 0.00 40.50 104.50 267.50 110.50 29.50 3.00 0.00 0.00 555.50
2007 0.00 0.00 0.00 0.00 11.00 125.00 211.50 81.00 46.50 0.00 0.00 0.00 a 475.00
2008 0.00 0.00 0.00 0.00 0.00 35.50 117.50 126.00 13.00 0.00 0.00 0.00 292.00
2009 0.00 0.00 a 0.00 0.00 0.00 65.00 59.50 61.00 51.50 0.00 0.00 0.00 237.00
2010 0.00 0.00 0.00 0.00 26.50 49.00 174.00 190.00 0.00 1.00 0.00 0.00 440.50
2011 0.00 d 0.00 e 0.00 0.00 b 0.00 52.50 216.00 127.50 29.00 24.50 0.00 0.00 449.50
2012 0.00 0.00 0.00 0.00 28.00 105.00 310.00 114.00 29.00 0.00 0.00 0.00 586.00
2013 0.00 a 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 0.00 1.42 22.19 81.89 162.19 126.66 30.56 1.46 0.00 0.00 437.91
S.D. 0.00 0.00 0.00 4.94 26.81 53.46 73.69 62.90 24.26 3.94 0.00 0.00 158.44
SKEW 0.00 0.00 0.00 4.92 2.15 0.99 0.63 0.36 0.87 4.28 0.00 0.00 0.53
MAX 0.00 0.00 0.00 35.00 141.00 295.50 440.72 303.00 120.00 26.00 0.00 0.00 965.50
MIN 0.00 0.00 0.00 0.00 0.00 5.50 28.50 9.00 0.00 0.00 0.00 0.00 109.00
NO YRS 119 119 117 118 115 112 115 115 117 118 119 115 97