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
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 m 0.00 0.00 u 0.00 s 76.50 132.00 192.50 188.50 15.00 0.00 0.00 0.00 604.50
1897 0.00 0.00 0.00 0.00 11.50 93.00 274.50 76.47 a 123.00 13.50 0.00 0.00 591.97
1898 0.00 0.00 0.00 0.00 7.50 119.00 231.00 0.00 z 75.50 h 0.00 i 0.00 0.00 357.50
1899 0.00 0.00 0.00 12.50 11.00 94.50 167.00 165.00 27.50 17.50 0.00 0.00 495.00
1900 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 141.50 n 62.07 a 7.00 0.00 0.00 69.07
1901 0.00 a 0.00 0.00 8.89 c 8.78 a 169.00 310.52 a 149.00 34.29 b 3.00 0.00 0.00 a 683.47
1902 0.00 0.00 0.00 0.00 33.00 28.50 209.00 74.50 2.50 o 0.00 0.00 0.00 345.00
1903 0.00 0.00 0.00 0.00 19.50 44.50 152.50 39.94 e 24.83 a 0.00 q 0.00 j 0.00 c 281.27
1904 0.00 0.00 a 0.00 a 0.00 a 12.92 a 37.24 a 95.50 0.00 z 0.00 z 0.00 z 0.00 a 0.00 145.66
1905 0.00 a 0.00 0.00 0.00 0.00 72.12 d 154.50 144.50 20.50 2.00 0.00 0.00 393.62
1906 0.00 0.00 0.00 0.00 34.50 96.00 164.00 246.00 113.50 0.00 0.00 0.00 654.00
1907 0.00 0.00 0.00 0.00 6.50 f 95.00 155.50 107.00 63.00 0.00 0.00 0.00 420.50
1908 0.00 0.00 0.00 3.50 25.50 101.38 a 176.50 124.50 113.00 0.00 g 0.00 f 0.00 c 544.38
1909 0.00 0.00 0.00 0.00 1.00 105.00 177.00 198.00 28.00 0.00 0.00 0.00 509.00
1910 0.00 0.00 a 2.67 b 0.00 0.00 201.50 233.50 139.00 7.00 4.00 0.00 0.00 587.67
1911 0.00 0.00 0.00 0.00 81.50 174.00 188.00 96.10 a 23.50 0.00 b 0.00 0.00 563.10
1912 0.00 0.00 0.00 0.00 b 2.14 b 52.76 a 184.50 53.50 80.00 2.07 a 0.00 0.00 k 374.96
1913 0.00 0.00 0.00 b 4.82 b 9.50 l 179.00 146.98 b 122.50 75.50 1.00 h 0.00 d 0.00 528.80
1914 0.00 b 0.00 0.00 0.00 a 43.00 75.00 272.00 161.50 56.00 3.00 0.00 0.00 a 610.50
1915 0.00 0.00 0.00 25.50 8.02 b 44.50 110.50 64.50 46.50 0.00 0.00 0.00 299.52
1916 0.00 0.00 0.00 0.00 7.50 22.50 398.00 227.00 39.50 1.55 a 0.00 0.00 696.05
1917 0.00 0.00 0.00 0.00 10.00 56.00 263.00 117.00 8.50 0.00 0.00 0.00 454.50
1918 0.00 0.00 0.00 0.00 47.00 58.50 157.50 198.50 5.00 5.00 0.00 0.00 471.50
1919 0.00 0.00 0.00 0.00 32.00 218.50 239.50 102.50 57.00 5.50 0.00 0.00 655.00
1920 0.00 0.00 0.00 0.00 7.00 156.50 140.00 119.00 69.50 9.50 0.00 0.00 501.50
1921 0.00 0.00 0.00 9.00 92.00 261.00 425.50 183.50 86.00 0.00 0.00 0.00 1057.00
1922 0.00 a 0.00 0.00 0.00 42.00 121.50 145.50 177.00 101.00 21.50 0.00 0.00 608.50
1923 0.00 0.00 0.00 a 0.00 c 0.00 c 179.00 204.50 36.00 g 26.00 0.00 0.00 a 0.00 409.50
1924 0.00 0.00 0.00 0.00 0.00 31.80 e 114.50 95.50 9.50 0.00 0.00 0.00 251.30
1925 0.00 a 0.00 0.00 9.00 17.16 c 195.50 179.00 123.00 93.00 0.00 0.00 c 0.00 c 616.66
1926 0.00 d 0.00 0.00 e 0.00 e 4.28 b 14.44 c 121.93 a 118.50 11.25 b 0.00 0.00 a 0.00 a 270.40
1927 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 0.00
1928 0.00 0.00 e 0.00 m 0.00 18.08 a 27.50 181.50 160.00 15.50 19.12 a 0.00 0.00 421.70
1929 0.00 0.00 0.00 5.00 44.00 81.00 210.00 109.53 a 62.50 2.67 b 0.00 0.00 514.71
1930 0.00 a 0.00 0.00 0.00 52.18 a 139.00 269.00 185.50 64.00 10.00 0.00 a 0.00 719.68
1931 0.00 0.00 0.00 1.50 18.00 123.50 j 330.67 a 148.00 155.00 8.50 0.00 0.00 661.67
1932 0.00 0.00 a 0.00 0.00 23.50 116.00 230.36 b 176.50 17.50 3.10 a 0.00 0.00 566.96
1933 0.00 0.00 0.00 0.00 39.27 a 309.00 268.00 109.00 176.25 b 0.00 0.00 0.00 a 901.52
1934 0.00 0.00 0.00 2.00 98.17 a 201.50 248.50 146.00 21.00 2.50 0.00 0.00 719.67
1935 0.00 a 0.00 a 0.00 2.50 1.50 60.50 366.83 a 206.50 49.00 0.00 0.00 0.00 686.83
1936 0.00 0.00 0.00 0.00 72.69 b 82.50 337.50 250.00 111.00 0.00 0.00 a 0.00 853.69
1937 0.00 0.00 0.00 0.00 46.00 121.00 273.00 308.50 106.00 0.00 0.00 0.00 a 854.50
1938 0.00 0.00 0.00 6.00 29.45 a 80.50 175.00 243.00 35.00 8.50 0.00 0.00 577.45
1939 0.00 0.00 0.00 10.50 81.00 139.00 281.00 155.50 123.50 0.00 0.00 0.00 790.50
1940 0.00 a 0.00 0.00 0.00 7.50 86.00 254.50 146.00 70.00 0.00 0.00 0.00 a 564.00
1941 0.00 0.00 0.00 7.50 73.00 171.00 255.00 179.50 83.50 0.00 0.00 0.00 769.50
1942 0.00 b 0.00 0.00 11.00 23.50 95.00 202.50 146.22 a 77.50 0.00 b 0.00 0.00 a 555.72
1943 0.00 b 0.00 0.00 a 0.00 18.50 204.50 249.00 179.00 28.45 a 2.00 0.00 0.00 681.45
1944 0.00 0.00 0.00 0.00 71.00 178.00 169.00 209.00 42.00 0.00 0.00 0.00 669.00
1945 0.00 0.00 a 0.00 6.50 1.00 68.50 131.50 157.00 69.50 0.00 0.00 0.00 434.00
1946 0.00 a 0.00 0.00 3.50 0.00 a 116.50 187.50 103.50 24.11 b 2.00 0.00 0.00 437.11
1947 0.00 a 0.00 0.00 0.00 6.50 75.00 190.65 a 347.50 115.50 14.00 0.00 0.00 a 749.15
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 79.00 218.00 181.00 94.50 0.00 0.00 0.00 a 572.50
1949 0.00 0.00 0.00 0.00 53.50 183.50 264.50 182.50 1.03 a 15.00 0.00 0.00 700.03
1950 0.00 0.00 0.00 0.00 18.50 126.00 112.00 83.00 7.00 r 8.50 0.00 0.00 348.00
1951 0.00 0.00 0.00 a 4.50 33.00 30.50 175.15 a 56.83 a 13.50 2.50 0.00 0.00 315.98
1952 0.00 0.00 0.00 a 2.50 20.00 143.50 217.00 f 170.50 58.93 b 0.00 0.00 0.00 395.43
1953 0.00 0.00 c 0.00 a 0.00 34.00 157.00 214.50 174.50 51.50 8.50 0.00 0.00 a 640.00
1954 0.00 0.00 0.00 a 0.00 9.50 189.50 220.50 131.00 33.00 0.00 0.00 0.00 583.50
1955 0.00 0.00 0.00 2.50 42.50 96.50 381.82 a 313.00 77.00 1.00 0.00 0.00 914.32
1956 0.00 0.00 0.00 0.00 26.50 189.00 38.00 t 147.00 16.00 3.50 0.00 0.00 b 382.00
1957 0.00 0.00 0.00 3.50 13.50 99.64 b 239.98 b 174.00 28.00 0.00 0.00 0.00 558.63
1958 0.00 0.00 0.00 3.00 9.62 b 47.50 161.50 218.00 38.00 0.00 0.00 0.00 477.62
1959 0.00 0.00 0.00 0.00 61.45 c 135.52 a 208.39 d 279.50 80.00 0.00 0.00 0.00 764.85
1960 0.00 0.00 0.00 12.00 6.50 41.50 157.50 175.50 89.50 0.00 0.00 0.00 482.50
1961 0.00 0.00 a 0.00 0.00 a 11.50 117.50 187.50 161.50 90.50 2.00 0.00 0.00 a 570.50
1962 0.00 0.00 0.00 13.00 77.00 81.50 97.00 143.78 b 12.50 5.50 0.00 0.00 430.28
1963 0.00 0.00 0.00 0.00 16.50 155.50 214.50 113.50 24.50 10.00 0.00 0.00 534.50
1964 0.00 0.00 0.00 a 4.50 60.00 150.50 246.50 114.50 35.00 0.00 0.00 0.00 611.00
1965 0.00 0.00 0.00 0.00 65.50 56.00 138.00 99.20 a 17.50 3.00 0.00 0.00 a 379.20
1966 0.00 0.00 0.00 0.00 22.00 154.00 275.00 101.50 18.50 0.00 0.00 0.00 571.00
1967 0.00 0.00 0.00 0.00 21.00 84.50 127.50 56.50 26.00 1.50 0.00 0.00 317.00
1968 0.00 0.00 0.00 1.50 2.00 111.00 174.00 176.00 23.00 25.00 0.00 0.00 512.50
1969 0.00 0.00 0.00 0.00 34.00 24.00 174.00 176.00 34.50 0.00 0.00 0.00 442.50
1970 0.00 0.00 0.00 26.00 44.50 156.00 259.00 173.00 76.00 8.00 0.00 0.00 742.50
1971 0.00 0.00 a 0.00 0.00 3.10 a 213.00 117.00 115.00 92.50 25.50 0.00 0.00 566.10
1972 0.00 0.00 0.00 0.00 64.50 83.79 a 176.70 a 173.50 16.50 0.00 f 0.00 z 0.00 514.99
1973 0.00 0.00 0.00 1.00 0.00 138.00 0.00 z 223.00 0.00 z 17.50 0.00 0.00 379.50
1974 0.00 0.00 0.00 10.50 16.00 58.50 254.00 125.50 28.00 1.00 0.00 0.00 493.50
1975 0.00 0.00 0.00 0.00 82.50 118.50 259.50 172.00 6.50 9.50 0.00 0.00 648.50
1976 0.00 0.00 0.00 9.50 7.50 151.00 249.50 163.50 59.50 4.50 0.00 0.00 645.00
1977 0.00 0.00 0.00 16.50 88.00 80.50 275.50 82.00 16.50 0.00 0.00 0.00 559.00
1978 0.00 0.00 0.00 0.00 58.00 90.00 130.50 0.00 z 96.21 a 0.00 0.00 0.00 374.71
1979 0.00 0.00 0.00 0.00 9.00 73.50 184.50 86.00 45.50 4.00 0.00 0.00 402.50
1980 0.00 0.00 0.00 8.00 52.00 87.00 231.00 151.50 24.50 0.00 0.00 0.00 554.00
1981 0.00 0.00 0.00 0.00 12.00 90.00 180.50 155.00 24.50 0.00 0.00 0.00 462.00
1982 0.00 0.00 0.00 0.00 43.50 19.50 200.00 112.50 35.00 2.50 0.00 0.00 413.00
1983 0.00 0.00 a 0.00 0.00 0.00 121.50 309.50 246.00 75.50 12.50 0.00 0.00 a 765.00
1984 0.00 0.00 0.00 4.50 4.00 101.50 155.50 200.00 28.50 0.00 0.00 0.00 494.00
1985 0.00 0.00 0.00 33.50 44.50 62.59 a 172.00 85.00 80.50 0.00 0.00 0.00 478.09
1986 0.00 0.00 2.00 15.50 36.50 97.50 232.50 83.00 39.50 0.00 0.00 0.00 506.50
1987 0.00 0.00 0.00 8.00 62.50 177.00 296.00 152.50 24.50 0.00 0.00 0.00 720.50
1988 0.00 0.00 0.00 0.00 50.00 216.00 284.50 279.00 44.00 2.00 0.00 0.00 875.50
1989 0.00 0.00 0.00 0.00 17.50 83.50 220.50 160.50 26.50 0.00 0.00 0.00 508.50
1990 0.00 0.00 0.00 31.00 1.50 89.50 165.50 146.50 83.50 0.00 0.00 0.00 517.50
1991 0.00 0.00 0.00 13.50 116.50 164.50 180.50 168.50 47.50 0.00 0.00 0.00 691.00
1992 0.00 0.00 0.00 0.00 32.00 58.00 60.00 86.50 23.50 1.00 0.00 0.00 261.00
1993 0.00 0.00 0.00 0.00 19.00 45.00 138.50 158.00 2.00 0.00 0.00 0.00 362.50
1994 0.00 0.00 0.00 0.00 33.00 157.00 144.00 82.00 72.50 0.00 0.00 0.00 488.50
1995 0.00 0.00 0.00 0.00 1.50 201.72 a 233.50 232.50 a 30.50 7.00 0.00 0.00 706.72
1996 0.00 0.00 0.00 0.00 20.00 99.50 102.00 156.50 68.50 0.00 0.00 0.00 446.50
1997 0.00 0.00 0.00 0.00 0.00 118.00 167.50 67.50 32.00 16.00 0.00 0.00 401.00
1998 0.00 0.00 0.00 0.00 67.50 133.00 204.00 168.50 84.50 0.00 0.00 0.00 657.50
1999 0.00 0.00 0.00 0.00 25.00 134.00 289.00 92.50 40.00 0.00 0.00 0.00 580.50
2000 0.00 0.00 0.00 0.00 43.00 75.00 143.50 130.00 33.21 b 2.58 a 0.00 z 0.00 c 427.30
2001 0.00 0.00 0.00 0.00 28.50 117.50 227.50 221.00 6.21 a 0.00 0.00 0.00 600.71
2002 0.00 0.00 0.00 18.50 17.50 132.00 282.50 119.50 65.00 6.50 0.00 0.00 641.50
2003 0.00 0.00 0.00 6.50 1.00 50.50 147.50 196.50 54.50 0.00 0.00 0.00 456.50
2004 0.00 0.00 0.00 0.00 7.00 45.00 106.50 59.00 54.50 0.00 0.00 0.00 272.00
2005 0.00 0.00 0.00 2.50 2.00 173.50 203.50 155.00 68.00 27.50 0.00 0.00 632.00
2006 0.00 0.00 0.00 0.00 48.50 92.00 291.00 154.50 14.00 1.00 0.00 0.00 601.00
2007 0.00 0.00 1.50 5.00 54.50 131.50 186.00 164.00 71.00 28.00 0.00 0.00 641.50
2008 0.00 0.00 0.00 0.00 0.00 61.00 157.00 92.50 32.00 5.00 0.00 0.00 347.50
2009 0.00 0.00 0.00 0.00 11.50 109.00 53.00 103.50 28.00 0.00 0.00 0.00 305.00
2010 0.00 0.00 0.00 3.50 67.50 88.00 238.00 238.50 19.00 0.00 0.00 0.00 654.50
2011 0.00 a 0.00 a 0.00 a 0.00 18.50 93.50 285.50 160.50 33.50 1.50 0.00 0.00 593.00
2012 0.00 0.00 13.50 0.00 46.50 171.50 366.00 172.00 51.21 a 0.00 i 0.00 z 0.00 z 820.71
Period of Record Statistics
MEAN 0.00 0.00 0.17 3.42 29.96 112.22 208.42 152.89 50.31 4.01 0.00 0.00 569.29
S.D. 0.00 0.00 1.30 6.51 26.88 56.20 70.66 58.28 34.76 6.58 0.00 0.00 157.22
SKEW 0.00 0.00 9.58 2.60 0.90 0.60 0.54 0.66 0.96 2.05 0.00 0.00 0.25
MAX 0.00 0.00 13.50 33.50 116.50 309.00 425.50 347.50 176.25 28.00 0.00 0.00 1057.00
MIN 0.00 0.00 0.00 0.00 0.00 14.44 53.00 39.94 1.03 0.00 0.00 0.00 251.30
NO YRS 115 116 114 114 112 114 112 111 111 109 111 115 94