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 m 0.00 0.00 0.00 5.50 185.00 219.50 135.50 103.89 c 0.00 0.00 0.00 b 649.39
1894 0.00 0.00 a 0.00 5.69 a 50.50 226.50 288.50 174.00 119.46 b 1.03 a 0.00 c 0.00 865.69
1895 0.00 0.00 0.00 0.00 36.68 a 75.00 d 187.50 161.50 128.89 c 0.00 0.00 0.00 589.57
1896 0.00 0.00 0.00 4.66 a 69.50 104.50 146.00 181.00 31.50 0.00 0.00 0.00 537.16
1897 0.00 0.00 0.00 0.00 39.50 93.00 217.50 58.50 162.50 19.00 0.00 0.00 590.00
1898 0.00 0.00 0.00 0.00 16.00 0.00 z 185.00 129.00 81.00 4.50 0.00 0.00 415.50
1899 0.00 0.00 0.00 4.00 28.50 100.50 241.50 181.00 29.50 4.00 0.00 0.00 589.00
1900 0.00 a 0.00 0.00 1.00 47.50 112.50 104.00 i 0.00 z 20.50 q 0.00 z 0.00 z 0.00 161.00
1901 0.00 r 0.00 0.00 16.50 49.50 141.00 404.00 223.50 45.50 0.00 0.00 0.00 880.00
1902 0.00 0.00 0.00 a 0.00 24.80 a 49.00 172.50 71.62 b 5.00 0.00 0.00 c 0.00 b 322.92
1903 0.00 0.00 g 0.00 0.00 13.95 a 49.00 116.52 b 62.00 a 13.00 0.00 0.00 e 0.00 c 254.47
1904 0.00 m 0.00 t 0.00 e 0.00 a 19.93 c 80.69 a 106.50 128.81 b 29.00 0.00 b 0.00 0.00 h 364.93
1905 0.00 g 0.00 v 0.00 0.00 4.00 80.50 142.71 b 194.50 54.50 5.00 0.00 0.00 481.21
1906 0.00 0.00 0.00 2.07 a 39.50 78.00 153.00 207.00 79.00 0.00 0.00 0.00 h 558.57
1907 0.00 e 0.00 0.00 a 0.00 1.00 85.00 173.00 166.50 37.50 0.00 0.00 0.00 463.00
1908 0.00 0.00 0.00 10.00 12.50 60.00 225.86 c 130.50 147.41 a 9.50 0.00 0.00 595.77
1909 0.00 0.00 0.00 0.00 9.50 100.50 176.00 292.50 46.00 13.36 b 0.00 0.00 637.86
1910 0.00 a 0.00 1.00 16.00 6.50 214.50 235.00 137.50 22.50 b 20.50 0.00 0.00 653.50
1911 0.00 b 0.00 0.00 2.07 a 91.50 241.00 227.00 101.04 d 48.00 0.00 0.00 0.00 710.61
1912 0.00 0.00 a 0.00 0.00 25.50 93.00 207.50 102.30 a 88.50 8.55 b 0.00 0.00 525.35
1913 0.00 b 0.00 0.00 4.00 41.00 213.00 148.50 241.80 a 103.50 6.20 a 0.00 0.00 a 758.00
1914 0.00 0.00 0.00 0.00 66.00 121.50 316.50 156.50 49.50 21.70 a 0.00 0.00 a 731.70
1915 0.00 0.00 0.00 27.50 17.50 49.50 110.50 115.50 58.00 1.00 0.00 0.00 379.50
1916 0.00 a 0.00 0.00 0.00 24.00 32.50 417.00 214.00 63.50 0.00 0.00 0.00 a 751.00
1917 0.00 0.00 0.00 0.00 25.50 73.00 280.50 130.50 17.50 0.00 0.00 0.00 527.00
1918 0.00 0.00 0.00 0.00 56.50 123.00 210.00 194.00 6.00 4.50 0.00 0.00 594.00
1919 0.00 0.00 0.00 0.00 40.00 190.00 275.00 172.00 85.00 0.00 0.00 0.00 a 762.00
1920 0.00 0.00 3.10 a 0.00 22.50 136.50 186.00 152.50 97.50 13.50 0.00 0.00 611.60
1921 0.00 0.00 0.00 8.50 64.00 289.00 325.00 195.00 48.00 0.00 0.00 0.00 929.50
1922 0.00 0.00 0.00 0.00 c 48.50 173.50 167.00 293.50 132.00 37.00 0.00 0.00 d 851.50
1923 0.00 0.00 0.00 0.00 32.03 a 215.50 351.00 144.00 48.00 4.50 0.00 0.00 b 795.03
1924 0.00 0.00 0.00 5.00 0.00 61.50 158.00 138.00 16.50 0.00 0.00 0.00 379.00
1925 0.00 0.00 0.00 8.00 55.50 125.50 196.00 252.00 135.50 0.00 0.00 0.00 772.50
1926 0.00 0.00 0.00 4.50 70.00 99.50 279.50 120.00 24.00 0.00 0.00 0.00 597.50
1927 0.00 0.00 0.00 0.00 6.50 135.00 123.00 144.00 205.00 0.00 0.00 0.00 613.50
1928 0.00 a 0.00 a 0.00 z 0.00 48.05 a 24.50 262.50 0.00 z 0.00 z 8.50 0.00 0.00 343.55
1929 0.00 0.00 0.00 1.00 50.50 101.00 259.50 214.33 b 68.50 0.00 0.00 0.00 694.83
1930 0.00 0.00 0.00 0.00 14.00 86.00 277.00 241.50 22.50 19.50 0.00 0.00 660.50
1931 0.00 0.00 0.00 10.86 a 43.40 a 289.00 337.38 a 187.50 183.50 8.00 0.00 0.00 a 1059.65
1932 0.00 0.00 0.00 1.50 48.50 151.00 253.50 179.28 a 23.00 0.00 0.00 0.00 656.78
1933 0.00 0.00 0.00 0.00 23.50 351.50 349.50 139.50 116.00 1.50 0.00 0.00 981.50
1934 0.00 0.00 0.00 21.50 208.00 230.00 327.00 200.00 12.00 11.00 0.00 0.00 1009.50
1935 0.00 0.00 0.00 0.00 0.00 64.50 411.00 283.00 63.10 a 5.00 0.00 0.00 826.60
1936 0.00 0.00 0.00 0.00 77.50 107.00 456.73 a 237.00 94.00 0.00 0.00 0.00 972.23
1937 0.00 0.00 0.00 0.00 34.50 97.00 301.50 371.00 96.00 2.00 0.00 0.00 902.00
1938 0.00 0.00 0.00 2.00 8.50 105.50 217.00 282.50 70.50 27.50 0.00 0.00 713.50
1939 0.00 0.00 0.00 5.00 83.70 a 139.00 277.00 197.50 138.50 3.00 0.00 0.00 843.70
1940 0.00 0.00 0.00 0.00 20.15 a 106.00 289.00 155.00 114.50 3.50 0.00 0.00 688.15
1941 0.00 0.00 0.00 3.50 70.50 141.50 257.00 200.50 77.50 0.00 0.00 0.00 750.50
1942 0.00 0.00 0.00 6.50 17.00 72.50 174.00 153.50 31.50 1.50 0.00 0.00 456.50
1943 0.00 0.00 0.00 0.00 23.00 181.50 278.50 221.00 33.50 3.00 0.00 z 0.00 740.50
1944 0.00 0.00 0.00 0.00 83.00 164.00 191.50 189.00 20.50 0.00 0.00 0.00 648.00
1945 0.00 a 0.00 0.00 0.00 1.00 43.00 178.50 154.50 64.00 2.00 0.00 0.00 443.00
1946 0.00 0.00 0.00 7.50 15.50 148.00 227.50 139.00 31.00 0.50 0.00 0.00 569.00
1947 0.00 0.00 0.00 0.00 2.50 47.00 225.00 333.50 117.00 36.00 0.00 0.00 b 761.00
1948 0.00 0.00 0.00 2.50 31.50 70.50 271.50 199.95 a 126.72 a 0.00 0.00 0.00 702.67
1949 0.00 0.00 0.00 0.50 59.50 154.50 274.00 291.50 15.50 1.00 0.00 0.00 796.50
1950 0.00 0.00 0.00 0.00 a 23.00 157.00 126.00 94.00 24.00 0.50 0.00 0.00 424.50
1951 0.00 0.00 0.00 2.00 18.08 a 44.00 171.00 102.00 4.00 9.00 0.00 a 0.00 350.08
1952 0.00 0.00 b 0.00 23.50 37.50 129.00 239.00 134.50 89.50 3.50 0.00 0.00 656.50
1953 0.00 0.00 0.00 0.00 33.00 148.00 197.00 199.00 49.00 23.00 0.00 0.00 649.00
1954 0.00 0.00 0.00 0.00 11.88 a 146.00 237.50 123.00 18.00 0.00 0.00 0.00 536.38
1955 0.00 0.00 0.00 0.00 76.50 90.00 327.00 271.50 53.00 7.00 0.00 0.00 825.00
1956 0.00 0.00 0.00 0.00 36.00 224.50 115.50 147.00 26.00 6.50 0.00 0.00 555.50
1957 0.00 0.00 0.00 0.00 14.50 55.00 319.50 129.00 21.50 1.00 0.00 0.00 540.50
1958 0.00 0.00 0.00 3.50 42.50 33.50 123.00 201.00 54.50 10.50 0.00 0.00 468.50
1959 0.00 0.00 0.00 0.00 49.00 204.00 228.50 256.50 65.00 0.00 0.00 0.00 803.00
1960 0.00 0.00 0.00 1.00 5.50 50.00 220.00 146.50 f 98.50 0.00 0.00 0.00 375.00
1961 0.00 a 0.00 0.00 0.00 18.00 143.50 146.50 228.50 71.90 a 0.50 0.00 0.00 a 608.90
1962 0.00 a 0.00 0.00 13.50 25.50 101.00 138.50 158.50 18.00 2.00 k 0.00 0.00 455.00
1963 0.00 0.00 0.00 1.00 32.00 168.10 a 211.50 172.50 38.50 13.00 0.00 0.00 636.60
1964 0.00 0.00 0.00 0.00 51.50 165.50 294.50 127.00 38.00 1.00 0.00 0.00 677.50
1965 0.00 0.00 0.00 1.00 16.00 108.00 229.00 0.00 z 11.50 1.03 a 0.00 0.00 366.53
1966 0.00 0.00 0.00 a 0.00 20.00 136.50 358.00 121.50 41.50 0.00 0.00 0.00 677.50
1967 0.00 0.00 3.50 0.00 26.00 82.00 177.22 a 110.00 9.00 6.50 0.00 0.00 414.22
1968 0.00 0.00 0.00 2.50 5.50 167.00 0.00 z 217.50 30.50 15.00 0.00 0.00 438.00
1969 0.00 0.00 a 0.00 0.00 62.50 25.50 189.00 250.50 52.50 5.00 0.00 0.00 585.00
1970 0.00 0.00 0.00 13.00 47.00 189.50 245.50 164.00 91.50 11.50 0.00 0.00 762.00
1971 0.00 0.00 0.00 1.50 11.50 182.50 76.00 146.00 59.00 1.00 0.00 0.00 477.50
1972 0.00 0.00 0.00 0.00 a 68.50 104.00 174.00 196.00 24.50 0.00 0.00 0.00 z 567.00
1973 0.00 0.00 0.00 0.00 4.50 140.00 192.00 233.00 41.50 8.00 0.00 0.00 619.00
1974 0.00 0.00 0.00 0.50 20.50 118.00 329.50 86.50 19.50 0.00 0.00 0.00 574.50
1975 0.00 0.00 0.00 0.00 50.50 131.00 358.00 228.50 25.00 14.50 0.00 0.00 807.50
1976 0.00 0.00 0.00 10.50 12.50 239.00 340.50 309.00 74.50 1.00 0.00 0.00 987.00
1977 0.00 0.00 0.00 b 12.00 114.00 126.00 290.00 64.50 15.00 0.00 0.00 c 0.00 c 621.50
1978 0.00 0.00 c 0.00 0.00 69.00 148.50 233.00 272.00 177.50 0.00 0.00 0.00 900.00
1979 0.00 0.00 0.00 i 0.00 34.00 f 157.50 303.00 152.70 d 73.00 g 0.00 d 0.00 0.00 b 613.20
1980 0.00 0.00 0.00 d 29.00 122.00 169.50 343.00 241.50 69.00 21.00 0.00 0.00 995.00
1981 0.00 0.00 0.00 6.00 32.00 102.00 290.00 200.00 46.00 0.00 0.00 0.00 676.00
1982 0.00 0.00 0.00 2.00 33.50 50.50 311.50 247.00 45.00 0.00 0.00 0.00 a 689.50
1983 0.00 0.00 0.00 0.00 0.00 107.50 346.00 314.50 76.00 5.00 0.00 a 0.00 849.00
1984 0.00 0.00 0.00 0.00 9.50 114.50 213.00 252.00 22.50 2.50 0.00 0.00 614.00
1985 0.00 0.00 b 0.00 21.50 87.50 117.00 248.50 95.00 51.72 a 0.00 0.00 0.00 621.22
1986 0.00 0.00 0.00 0.00 49.00 213.00 300.00 146.00 33.50 0.00 0.00 0.00 741.50
1987 0.00 0.00 0.00 19.00 105.50 237.50 350.50 169.00 39.00 0.50 0.00 0.00 921.00
1988 0.00 0.00 0.00 4.00 92.00 300.00 376.00 324.98 a 64.50 0.00 0.00 a 0.00 1161.48
1989 0.00 0.00 0.00 0.00 37.00 152.50 325.00 187.50 56.00 11.50 0.00 0.00 769.50
1990 0.00 0.00 0.00 40.50 13.00 146.50 177.00 168.50 0.00 z 4.50 0.00 0.00 550.00
1991 0.00 0.00 0.00 1.00 106.00 226.50 210.50 197.00 53.50 2.00 0.00 0.00 796.50
1992 0.00 0.00 0.00 6.50 63.00 71.00 42.00 92.00 30.00 4.50 0.00 0.00 309.00
1993 0.00 0.00 0.00 0.00 8.00 62.00 127.50 167.00 6.50 5.50 0.00 0.00 376.50
1994 0.00 0.00 0.00 0.00 65.00 115.00 107.00 97.00 64.00 0.00 0.00 0.00 448.00
1995 0.00 0.00 0.00 0.00 1.50 192.00 206.00 227.50 34.00 8.50 0.00 0.00 669.50
1996 0.00 0.00 0.00 0.00 21.00 151.00 122.50 127.50 57.00 0.00 0.00 0.00 479.00
1997 0.00 0.00 0.00 0.00 0.00 161.00 202.00 133.50 63.00 26.50 0.00 0.00 586.00
1998 0.00 0.00 0.00 0.00 60.00 89.50 201.50 194.00 93.00 0.00 0.00 0.00 638.00
1999 0.00 0.00 0.00 0.00 a 17.50 137.50 272.50 140.50 35.00 0.00 0.00 0.00 603.00
2000 0.00 a 0.00 0.00 a 0.00 23.00 81.50 215.00 163.50 29.50 1.50 0.00 0.00 514.00
2001 0.00 0.00 0.00 8.00 22.00 132.50 249.50 201.00 24.50 0.00 0.00 0.00 637.50
2002 0.00 0.00 a 0.00 2.00 32.50 185.50 312.58 a 129.50 91.00 2.00 0.00 0.00 755.08
2003 0.00 0.00 0.00 5.00 1.00 73.00 165.50 204.00 54.50 6.00 0.00 0.00 509.00
2004 0.00 b 0.00 0.00 0.00 9.00 44.00 134.50 39.50 93.00 0.00 0.00 0.00 320.00
2005 0.00 0.00 0.00 1.00 0.00 140.50 212.00 119.00 62.50 5.50 0.00 0.00 z 540.50
2006 0.00 z 0.00 0.00 0.00 z 59.50 93.50 0.00 z 132.50 18.50 0.50 0.00 0.00 304.50
2007 0.00 0.00 0.00 b 3.00 50.00 159.50 204.00 115.50 90.50 14.50 0.00 0.00 637.00
2008 0.00 0.00 a 0.00 0.00 2.00 48.00 189.50 128.50 45.50 0.00 0.00 0.00 413.50
2009 0.00 a 0.00 a 0.00 1.50 28.00 95.00 66.50 82.00 46.50 0.00 0.00 0.00 319.50
2010 0.00 0.00 0.00 2.50 57.50 64.00 190.00 243.00 5.00 7.50 0.00 0.00 569.50
2011 0.00 0.00 0.00 0.00 12.00 100.00 342.50 155.50 50.50 16.50 0.00 0.00 677.00
2012 0.00 0.00 8.00 0.00 57.50 173.50 371.50 134.00 43.50 0.00 0.00 0.00 788.00
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 0.13 3.53 37.01 128.59 234.87 177.05 58.78 5.02 0.00 0.00 658.53
S.D. 0.00 0.00 0.85 6.90 31.84 63.16 82.33 64.61 41.27 7.64 0.00 0.00 176.44
SKEW 0.00 0.00 7.71 2.83 1.78 0.80 0.21 0.50 1.17 2.07 0.00 0.00 0.24
MAX 0.00 0.00 8.00 40.50 208.00 351.50 456.73 371.00 205.00 37.00 0.00 0.00 1161.48
MIN 0.00 0.00 0.00 0.00 0.00 24.50 42.00 39.50 4.00 0.00 0.00 0.00 309.00
NO YRS 116 118 119 119 119 119 117 116 116 118 118 116 101