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 z 0.00 z 0.00 z 0.00 z 0.00 z 58.00 w 245.50 139.00 92.14 b 3.88 c 0.00 c 0.00 480.52
1894 0.00 d 0.00 a 0.00 a 1.00 35.00 203.79 a 319.00 212.00 82.50 0.00 0.00 a 0.00 a 853.29
1895 0.00 0.00 a 0.00 z 7.76 a 87.50 138.50 168.00 174.00 132.00 0.00 0.00 0.00 b 707.76
1896 0.00 0.00 0.00 0.00 72.00 131.25 b 196.85 a 205.00 13.45 a 0.00 0.00 0.00 b 618.55
1897 0.00 0.00 g 0.00 z 0.00 17.00 127.00 253.50 69.50 154.50 26.00 0.00 0.00 647.50
1898 0.00 0.00 0.00 0.00 z 18.50 130.00 243.50 164.50 59.50 0.00 0.00 0.00 616.00
1899 0.00 0.00 0.00 8.00 14.00 108.00 222.50 222.00 44.00 8.50 0.00 0.00 627.00
1900 0.00 0.00 0.00 0.00 63.00 134.00 204.50 381.50 83.50 22.50 0.00 0.00 889.00
1901 0.00 0.00 0.00 14.50 24.28 a 167.00 446.00 244.00 54.50 0.00 0.00 0.00 950.28
1902 0.00 0.00 0.00 2.50 42.50 37.50 206.00 82.50 0.50 0.00 0.00 0.00 371.50
1903 0.00 0.00 0.00 0.00 21.00 49.00 162.00 80.00 19.29 b 0.00 a 0.00 a 0.00 a 331.29
1904 0.00 a 0.00 0.00 0.00 11.50 85.50 90.50 66.00 12.50 0.00 0.00 0.00 266.00
1905 0.00 0.00 0.00 0.00 4.00 43.50 f 121.00 193.50 42.50 10.00 0.00 0.00 a 371.00
1906 0.00 0.00 0.00 0.00 15.50 79.50 128.00 203.50 90.50 4.00 0.00 a 0.00 521.00
1907 0.00 0.00 0.00 0.00 0.00 59.00 193.00 112.50 47.50 0.00 0.00 0.00 412.00
1908 0.00 0.00 0.00 0.00 19.00 75.50 232.00 122.50 167.50 5.00 0.00 0.00 621.50
1909 0.00 0.00 0.00 0.00 12.00 100.00 173.00 284.50 26.50 7.50 0.00 0.00 603.50
1910 0.00 0.00 0.00 16.00 0.00 216.00 285.00 178.00 28.50 16.50 0.00 0.00 740.00
1911 0.00 0.00 0.00 0.00 86.00 209.50 223.50 92.00 44.50 0.00 0.00 0.00 655.50
1912 0.00 0.00 0.00 0.00 11.50 55.50 168.00 94.00 102.00 1.00 0.00 0.00 432.00
1913 0.00 0.00 0.00 2.00 21.00 200.00 227.50 232.50 116.00 0.00 0.00 0.00 799.00
1914 0.00 0.00 0.00 0.00 29.50 117.00 277.00 185.50 50.50 1.00 0.00 0.00 660.50
1915 0.00 0.00 0.00 12.50 14.00 31.55 a 108.50 87.00 32.50 0.00 0.00 0.00 286.05
1916 0.00 0.00 0.00 0.00 21.50 35.50 371.00 236.00 51.50 13.50 0.00 0.00 729.00
1917 0.00 0.00 0.00 1.50 10.50 42.00 205.50 89.50 18.50 0.00 0.00 0.00 367.50
1918 0.00 0.00 0.00 0.00 47.00 87.50 150.00 193.00 1.50 2.00 0.00 0.00 481.00
1919 0.00 0.00 0.00 0.00 22.50 172.50 209.00 104.00 59.00 8.00 0.00 0.00 575.00
1920 0.00 0.00 0.00 0.00 8.00 154.00 110.00 79.00 63.50 9.00 0.00 0.00 423.50
1921 0.00 0.00 0.00 1.00 70.00 247.50 343.00 166.00 57.50 0.00 a 0.00 0.00 885.00
1922 0.00 0.00 0.00 0.00 24.00 118.00 99.00 201.00 108.00 18.00 0.00 0.00 568.00
1923 0.00 0.00 a 0.00 0.00 9.00 172.00 276.00 94.50 50.00 0.00 0.00 0.00 601.50
1924 0.00 0.00 0.00 0.50 0.00 39.00 95.50 100.50 4.50 2.00 0.00 0.00 242.00
1925 0.00 0.00 0.00 11.00 34.00 92.50 154.00 135.00 102.00 0.00 0.00 0.00 528.50
1926 0.00 0.00 0.00 1.00 32.00 33.00 181.50 135.00 51.00 0.00 0.00 0.00 433.50
1927 0.00 0.00 0.00 0.00 7.00 64.50 135.00 43.50 142.00 1.00 0.00 0.00 393.00
1928 0.00 0.00 0.00 0.00 10.50 3.50 176.50 142.50 14.00 7.50 0.00 0.00 a 354.50
1929 0.00 0.00 0.00 0.00 24.00 63.50 205.00 127.00 52.50 0.50 0.00 0.00 472.50
1930 0.00 0.00 0.00 4.50 21.50 83.50 257.50 208.00 40.50 11.50 0.00 0.00 627.00
1931 0.00 0.00 0.00 0.00 21.00 249.50 274.50 163.50 139.50 2.00 0.00 0.00 850.00
1932 0.00 0.00 0.00 0.00 a 16.50 119.50 205.50 153.50 3.00 0.00 0.00 0.00 498.00
1933 0.00 0.00 0.00 0.00 15.50 290.00 250.00 89.00 98.50 0.00 2.50 0.00 745.50
1934 0.00 0.00 0.00 5.00 162.50 221.50 272.80 a 141.00 13.00 1.00 0.00 0.00 816.80
1935 0.00 0.00 0.00 0.00 0.00 37.00 316.50 191.50 52.00 1.50 0.00 0.00 598.50
1936 0.00 0.00 0.00 0.00 40.00 63.00 405.50 261.50 76.50 0.00 0.00 0.00 846.50
1937 0.00 0.00 0.00 0.00 13.50 58.50 241.50 326.00 76.55 a 2.07 a 0.00 0.00 718.12
1938 0.00 0.00 0.00 0.00 18.00 95.50 241.00 234.50 52.00 21.00 0.00 0.00 662.00
1939 0.00 0.00 0.00 2.00 77.50 147.00 251.00 166.00 125.00 0.00 0.00 0.00 768.50
1940 0.00 0.00 0.00 0.00 11.50 104.00 273.50 133.82 a 81.00 0.00 0.00 0.00 603.82
1941 0.00 0.00 0.00 2.50 49.00 144.50 234.00 220.50 44.50 0.00 0.00 0.00 695.00
1942 0.00 0.00 0.00 2.07 a 19.50 91.50 156.00 142.00 44.50 0.00 0.00 0.00 455.57
1943 0.00 0.00 0.00 0.00 18.60 a 191.50 211.32 a 175.31 b 16.50 0.00 0.00 0.00 613.23
1944 0.00 0.00 0.00 a 0.00 56.00 153.00 124.00 165.00 29.50 0.00 0.00 0.00 527.50
1945 0.00 0.00 0.00 1.00 2.00 44.00 136.00 135.00 54.00 0.00 0.00 a 0.00 a 372.00
1946 0.00 0.00 0.00 a 1.00 2.50 121.55 a 191.00 88.50 22.50 0.00 0.00 0.00 427.05
1947 0.00 0.00 a 0.00 0.00 1.50 60.00 161.20 a 333.00 118.00 24.50 0.00 0.00 698.20
1948 0.00 0.00 0.00 4.50 12.50 69.83 a 237.00 219.00 117.00 0.00 a 0.00 0.00 659.83
1949 0.00 0.00 0.00 0.00 a 38.50 179.50 293.50 229.00 8.50 3.00 0.00 0.00 752.00
1950 0.00 0.00 0.00 0.00 11.88 a 100.50 116.50 85.50 20.50 12.00 0.00 0.00 346.88
1951 0.00 0.00 a 0.00 a 0.00 15.50 19.50 132.50 68.50 1.03 a 6.50 0.00 0.00 243.53
1952 0.00 0.00 a 0.00 9.50 29.50 121.61 b 194.50 96.50 52.00 2.50 0.00 0.00 506.11
1953 0.00 a 0.00 0.00 a 0.00 22.22 a 138.50 163.50 147.50 45.50 11.50 0.00 0.00 528.72
1954 0.00 0.00 0.00 1.50 4.50 169.50 208.00 90.00 21.50 0.00 0.00 0.00 495.00
1955 0.00 0.00 0.00 0.00 41.69 b 49.50 306.00 267.50 63.00 0.00 a 0.00 0.00 727.69
1956 0.00 0.00 0.00 0.00 34.00 190.00 99.50 144.67 a 8.50 4.00 0.00 0.00 480.67
1957 0.00 0.00 a 0.00 0.00 2.50 69.00 232.50 84.22 a 20.00 0.00 0.00 0.00 408.22
1958 0.00 0.00 a 0.00 0.00 10.00 19.66 a 96.50 151.50 13.00 0.00 0.00 0.00 290.66
1959 0.00 0.00 b 0.00 0.00 54.00 143.00 151.00 221.50 62.50 0.00 0.00 0.00 632.00
1960 0.00 0.00 a 0.00 b 9.00 2.50 31.00 152.50 130.50 106.50 3.00 0.00 0.00 435.00
1961 0.00 0.00 0.00 0.00 14.50 115.00 113.84 b 143.00 51.00 0.00 0.00 0.00 437.34
1962 0.00 a 0.00 0.00 9.00 59.00 68.28 a 92.50 99.00 11.00 8.50 0.00 0.00 347.28
1963 0.00 0.00 0.00 0.00 16.50 151.00 183.50 108.00 25.50 14.50 0.00 0.00 499.00
1964 0.00 0.00 0.00 2.50 55.50 122.50 296.00 111.50 35.50 0.00 0.00 0.00 623.50
1965 0.00 0.00 0.00 0.00 27.00 50.50 122.50 111.00 1.50 6.50 0.00 0.00 319.00
1966 0.00 0.00 0.00 0.00 13.50 119.00 252.50 91.50 34.00 1.50 0.00 0.00 512.00
1967 0.00 0.00 0.00 0.00 13.50 75.00 132.50 74.50 5.50 2.50 0.00 0.00 303.50
1968 0.00 0.00 0.00 0.00 0.50 113.00 154.50 142.00 14.50 13.00 0.00 0.00 437.50
1969 0.00 0.00 0.00 0.00 24.50 16.00 186.00 161.50 29.00 5.50 0.00 0.00 422.50
1970 0.00 0.00 0.00 13.00 36.00 128.00 216.00 122.00 53.50 4.50 0.00 0.00 a 573.00
1971 0.00 0.00 0.00 0.00 1.50 201.50 93.00 88.50 70.50 17.00 0.00 0.00 472.00
1972 0.00 0.00 0.00 0.00 71.50 87.50 137.50 179.50 17.50 0.00 0.00 0.00 493.50
1973 0.00 0.00 0.00 0.00 1.00 131.00 198.92 a 174.50 38.00 3.50 0.00 0.00 546.92
1974 0.00 0.00 0.00 1.50 5.50 59.50 286.00 87.00 15.50 0.00 0.00 a 0.00 455.00
1975 0.00 0.00 0.00 0.00 52.00 119.00 260.50 162.00 14.00 7.00 0.00 0.00 614.50
1976 0.00 0.00 0.00 3.50 3.50 119.50 227.50 155.00 35.50 6.50 0.00 0.00 a 551.00
1977 0.00 0.00 0.00 16.00 110.00 104.00 240.00 59.50 21.00 0.00 0.00 0.00 550.50
1978 0.00 0.00 0.00 0.00 33.50 110.50 150.00 139.50 119.50 0.00 0.00 0.00 553.00
1979 0.00 0.00 0.00 0.00 17.05 a 70.50 180.00 117.00 42.00 0.00 0.00 0.00 426.55
1980 0.00 0.00 0.00 10.00 61.50 113.00 263.00 153.00 37.00 0.00 0.00 0.00 637.50
1981 0.00 0.00 0.00 0.00 5.00 89.50 192.50 131.00 20.00 0.00 0.00 0.00 a 438.00
1982 0.00 0.00 0.00 0.00 8.00 27.00 249.50 193.50 8.00 0.00 0.00 0.00 486.00
1983 0.00 0.00 0.00 0.00 1.50 127.50 319.50 293.50 80.50 10.50 0.00 0.00 c 833.00
1984 0.00 0.00 0.00 0.50 7.00 118.00 157.00 218.50 43.00 0.00 0.00 0.00 544.00
1985 0.00 0.00 0.00 31.00 51.00 81.00 180.00 70.00 97.24 a 0.00 0.00 0.00 510.24
1986 0.00 0.00 q 0.00 j 0.00 t 17.50 137.50 228.00 57.50 26.50 0.00 0.00 0.00 467.00
1987 0.00 0.00 0.00 4.00 81.50 196.50 288.00 137.50 32.00 0.00 0.00 0.00 739.50
1988 0.00 0.00 b 0.00 a 0.00 63.50 251.50 272.50 291.00 66.00 1.00 0.00 a 0.00 945.50
1989 0.00 a 0.00 0.00 0.00 21.50 117.50 253.50 140.50 35.50 3.00 0.00 0.00 571.50
1990 0.00 0.00 0.00 19.50 5.50 145.00 180.00 161.50 112.00 5.00 0.00 0.00 628.50
1991 0.00 0.00 0.00 11.50 90.50 216.00 166.00 137.00 56.50 0.00 0.00 0.00 677.50
1992 0.00 0.00 a 0.00 0.00 33.50 71.00 45.00 51.50 9.00 3.00 0.00 0.00 a 213.00
1993 0.00 0.00 0.00 0.00 3.00 46.50 91.00 138.00 8.50 3.00 0.00 0.00 290.00
1994 0.00 0.00 0.00 9.50 44.00 153.50 101.50 86.50 81.50 1.50 0.00 0.00 478.00
1995 0.00 0.00 0.00 0.00 0.52 a 178.50 189.50 260.00 24.50 7.50 0.00 0.00 660.52
1996 0.00 0.00 0.00 0.00 18.50 111.00 93.50 0.00 z 0.00 z 0.00 u 0.00 0.00 223.00
1997 0.00 0.00 0.00 0.00 0.00 93.50 156.50 57.50 22.00 23.00 0.00 0.00 352.50
1998 0.00 0.00 0.00 0.00 55.80 a 81.50 128.65 a 121.50 76.00 0.00 0.00 0.00 463.45
1999 0.00 0.00 0.00 0.00 15.50 94.00 238.50 64.00 32.50 0.00 0.00 0.00 444.50
2000 0.00 0.00 0.00 a 0.00 30.00 58.50 f 139.50 105.00 51.50 2.50 0.00 a 0.00 328.50
2001 0.00 0.00 0.00 1.00 19.50 112.00 184.50 155.50 10.00 0.00 0.00 0.00 482.50
2002 0.00 0.00 0.00 9.50 13.50 134.50 228.50 82.00 61.50 5.50 0.00 0.00 535.00
2003 0.00 0.00 0.00 4.50 4.50 57.00 141.00 160.00 44.00 2.50 0.00 0.00 413.50
2004 0.00 0.00 0.00 2.00 3.50 47.00 95.50 48.00 46.50 0.00 0.00 0.00 242.50
2005 0.00 0.00 0.00 0.50 1.00 159.50 195.00 85.00 63.50 28.00 0.00 0.00 532.50
2006 0.00 0.00 0.00 0.00 51.50 81.00 230.50 112.50 9.00 8.00 0.00 0.00 492.50
2007 0.00 0.00 0.00 4.50 33.00 106.50 147.50 116.50 61.50 28.50 0.00 0.00 498.00
2008 0.00 0.00 0.00 0.00 0.00 48.00 152.50 76.00 33.50 4.00 0.00 0.00 314.00
2009 0.00 0.00 0.00 a 0.00 16.00 81.00 33.00 50.50 5.00 0.00 0.00 0.00 185.50
2010 0.00 0.00 0.00 0.00 48.50 61.50 166.50 194.50 4.80 e 7.15 e 0.00 0.00 482.95
2011 0.00 0.00 0.00 0.00 21.50 126.00 e 249.00 107.50 35.00 4.50 0.00 0.00 543.50
2012 0.00 0.00 6.50 0.00 e 39.00 130.00 306.50 102.00 45.00 0.00 0.00 0.00 629.00
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 0.06 2.35 26.78 110.35 198.15 146.39 49.35 4.30 0.02 0.00 536.82
S.D. 0.00 0.00 0.60 4.94 26.67 57.71 73.20 66.69 37.43 6.69 0.23 0.00 167.30
SKEW 0.00 0.00 10.68 2.91 1.88 0.62 0.46 0.93 0.97 1.97 10.82 0.00 0.30
MAX 0.00 0.00 6.50 31.00 162.50 290.00 446.00 381.50 167.50 28.50 2.50 0.00 950.28
MIN 0.00 0.00 0.00 0.00 0.00 3.50 33.00 43.50 0.50 0.00 0.00 0.00 185.50
NO YRS 120 118 117 117 119 117 120 119 119 119 120 120 112