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 201302
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 0.00 0.00 0.00 10.00 0.00 z 228.00 171.00 143.00 0.00 0.00 0.00 552.00
1894 0.00 0.00 0.00 1.00 52.00 193.00 302.00 235.50 108.10 a 0.00 f 0.00 z 0.00 891.60
1895 0.00 0.00 0.00 1.00 27.00 60.50 162.50 159.00 158.50 0.00 0.00 0.00 568.50
1896 0.00 0.00 0.00 z 0.00 z 43.00 84.00 166.92 e 188.50 36.00 0.00 0.00 a 0.00 518.42
1897 0.00 0.00 z 0.00 0.00 20.50 121.00 248.00 a 87.50 215.56 c 21.50 0.00 0.00 714.06
1898 0.00 0.00 0.00 0.00 21.38 b 122.00 235.50 226.50 97.00 0.00 0.00 0.00 702.38
1899 0.00 0.00 b 0.00 8.28 a 20.00 99.50 207.50 221.50 43.50 4.00 0.00 0.00 b 604.28
1900 0.00 0.00 0.00 0.50 64.00 76.50 168.00 277.00 0.00 z 0.00 z 0.00 0.00 586.00
1901 0.00 0.00 0.00 1.50 1.50 52.50 302.50 163.50 40.50 0.00 0.00 0.00 562.00
1902 0.00 0.00 a 0.00 0.00 14.50 22.50 96.00 45.50 0.00 0.00 0.00 0.00 z 178.50
1903 0.00 z 0.00 g 0.00 0.00 22.73 a 53.00 150.72 b 128.13 a 37.00 0.00 l 0.00 c 0.00 b 391.59
1904 0.00 a 0.00 0.00 a 0.00 d 8.27 a 70.00 140.61 c 145.00 60.00 a 2.50 0.00 0.00 b 426.37
1905 0.00 0.00 0.00 c 0.00 a 0.57 d 69.00 e 115.00 236.50 62.14 b 15.50 a 0.00 b 0.00 c 498.72
1906 0.00 b 0.00 b 0.00 a 1.50 i 34.50 49.00 118.83 a 190.59 d 57.86 b 0.00 a 0.00 a 0.00 450.78
1907 0.00 a 0.00 b 0.00 b 0.00 i 1.55 a 59.46 b 117.00 169.47 a 42.50 0.57 d 0.00 0.00 390.56
1908 0.00 0.00 0.00 a 11.50 12.18 c 63.33 c 152.00 91.50 166.03 a 7.50 0.00 0.00 c 504.05
1909 0.00 j 0.00 g 0.00 0.00 d 2.07 a 100.86 a 164.30 a 269.18 a 42.12 d 4.17 e 0.00 c 0.00 g 582.70
1910 0.00 d 0.00 d 2.77 c 0.00 c 0.00 d 113.50 g 0.00 z 117.80 a 27.32 b 29.00 0.00 z 0.00 176.89
1911 0.00 a 0.00 b 0.00 0.00 a 75.84 c 200.00 f 197.00 104.62 c 28.00 f 0.00 0.00 f 0.00 f 377.46
1912 0.00 a 0.00 b 0.00 a 0.00 a 1.72 d 76.00 i 128.50 h 71.54 e 69.83 a 0.00 h 0.00 b 0.00 e 143.09
1913 0.00 a 0.00 c 0.00 b 4.00 31.60 e 145.00 f 121.50 208.73 a 98.65 d 0.00 z 0.00 f 0.00 c 464.48
1914 0.00 d 0.00 z 0.00 c 0.00 d 11.00 54.00 i 245.50 132.78 a 11.11 c 1.03 a 0.00 e 0.00 m 401.43
1915 0.00 z 0.00 b 0.00 e 0.00 b 1.19 e 11.50 f 56.83 a 45.97 b 14.48 a 0.00 b 0.00 i 0.00 k 118.47
1916 0.00 c 0.00 z 0.00 f 0.00 b 12.73 c 44.44 c 425.50 223.50 54.83 a 0.00 c 0.00 z 0.00 z 761.00
1917 0.00 z 0.00 b 0.00 d 0.00 11.76 b 54.50 273.83 a 111.08 a 0.00 z 0.00 z 0.00 d 0.00 e 451.18
1918 0.00 0.00 b 0.00 c 0.00 32.55 a 86.00 f 161.20 a 188.58 a 9.44 c 3.58 e 0.00 z 0.00 z 395.35
1919 0.00 e 0.00 a 0.00 d 0.00 c 19.63 a 142.50 h 249.50 136.92 a 84.50 2.77 c 0.00 z 0.00 z 493.32
1920 0.00 z 0.00 z 0.00 z 0.00 z 5.50 l 111.67 c 138.90 e 97.13 a 75.00 9.09 b 0.00 c 0.00 a 431.79
1921 0.00 c 0.00 0.00 0.54 b 48.50 283.85 d 307.93 a 180.12 b 48.21 b 0.00 a 0.00 c 0.00 b 869.15
1922 0.00 h 0.00 b 0.00 d 0.00 c 13.84 c 95.77 d 99.95 b 265.05 a 166.55 a 33.07 a 0.00 z 0.00 674.23
1923 0.00 a 0.00 c 0.00 u 2.50 f 31.00 e 172.24 a 315.50 125.72 d 74.00 1.00 0.00 0.00 c 719.46
1924 0.00 b 0.00 a 0.00 c 11.79 b 8.30 c 49.82 b 152.33 b 180.66 b 11.54 d 5.00 m 0.00 d 0.00 a 414.43
1925 0.00 a 0.00 a 0.00 z 3.50 h 82.67 d 87.60 e 210.59 b 141.00 r 155.69 a 0.00 i 0.00 f 0.00 a 536.54
1926 0.00 b 0.00 a 0.00 a 0.00 a 107.98 a 111.43 b 285.95 b 176.18 a 41.40 e 0.00 c 0.00 0.00 a 722.94
1927 0.00 h 0.00 a 0.00 0.00 a 0.00 b 121.07 b 106.50 f 116.25 a 169.04 d 0.50 f 0.00 a 0.00 c 406.36
1928 0.00 c 0.00 a 0.00 c 0.00 c 27.26 b 30.54 b 197.62 c 201.50 c 32.78 c 9.00 0.00 c 0.00 498.70
1929 0.00 0.00 b 0.00 0.50 11.00 86.50 190.00 178.00 41.50 0.00 z 0.00 0.00 a 507.50
1930 0.00 0.00 z 0.00 c 3.00 23.00 107.00 457.50 339.50 77.50 18.50 0.00 0.00 1026.00
1931 0.00 0.00 0.00 1.50 57.50 357.86 b 424.50 292.00 223.50 7.50 0.00 0.00 1364.36
1932 0.00 0.00 b 0.00 a 0.00 53.00 179.50 364.50 269.50 52.50 1.50 0.00 0.00 a 920.50
1933 0.00 d 0.00 0.00 0.00 b 35.65 a 439.50 372.50 177.00 174.50 3.00 0.00 a 0.00 a 1202.15
1934 0.00 0.00 a 0.00 a 17.59 a 277.00 120.00 l 467.50 275.38 a 40.34 a 31.00 0.00 b 0.00 a 1108.81
1935 0.00 0.00 0.00 0.00 0.00 90.54 b 500.00 317.75 a 81.35 d 13.43 a 0.00 0.00 1003.07
1936 0.00 0.00 0.00 a 0.00 88.50 200.69 a 580.50 398.00 143.00 0.00 0.00 a 0.00 a 1410.69
1937 0.00 0.00 a 0.00 0.00 41.50 120.50 388.50 429.50 125.00 4.50 0.00 0.00 1109.50
1938 0.00 z 0.00 a 0.00 1.55 a 5.50 148.00 352.00 400.00 117.50 39.78 a 0.00 0.00 1064.34
1939 0.00 0.00 d 0.00 13.50 108.00 154.50 396.28 a 233.50 199.50 3.62 a 0.00 0.00 1108.90
1940 0.00 0.00 0.00 0.00 24.00 136.50 372.50 187.00 170.50 6.50 0.00 0.00 897.00
1941 0.00 0.00 0.00 2.00 69.50 170.00 349.00 349.50 107.00 0.00 0.00 0.00 1047.00
1942 0.00 0.00 0.00 2.50 32.50 94.00 229.50 211.50 43.50 5.50 0.00 0.00 619.00
1943 0.00 0.00 5.50 0.00 30.00 164.50 319.00 262.50 38.00 4.50 0.00 0.00 824.00
1944 0.00 0.00 0.00 0.00 108.50 156.50 193.00 180.50 25.50 0.00 0.00 0.00 a 664.00
1945 0.00 0.00 a 0.00 0.00 a 11.50 43.50 196.50 185.50 82.50 2.00 0.00 a 0.00 l 521.50
1946 0.00 e 0.00 1.50 4.29 b 10.33 d 195.00 a 241.00 148.00 34.50 0.00 0.00 d 0.00 634.62
1947 0.00 0.00 0.00 h 0.00 a 2.58 a 42.22 c 236.00 428.00 143.28 a 39.27 a 0.00 0.00 891.35
1948 0.00 0.00 0.00 3.00 34.00 63.00 258.50 234.50 140.50 0.00 a 0.00 0.00 c 733.50
1949 0.00 0.00 0.00 0.00 b 72.00 155.50 g 358.50 329.78 b 12.50 0.00 0.00 0.00 772.78
1950 0.00 0.00 0.00 0.00 b 13.50 131.50 125.03 a 117.69 d 31.03 a 3.00 0.00 0.00 b 421.75
1951 0.00 a 0.00 0.00 2.00 3.21 b 37.24 a 188.07 a 152.42 a 2.78 c 12.50 0.00 0.00 b 398.21
1952 0.00 0.00 a 0.00 12.69 d 24.50 207.50 296.00 203.00 132.00 0.00 0.00 b 0.00 c 875.69
1953 0.00 0.00 a 0.00 0.00 35.00 193.45 a 259.88 a 252.81 b 68.00 27.00 0.00 0.00 836.14
1954 0.00 0.00 0.00 2.00 16.00 0.00 z 365.59 b 224.50 39.50 0.00 0.00 0.00 647.59
1955 0.00 0.00 0.00 a 6.50 72.00 108.50 448.00 410.50 124.00 8.00 0.00 0.00 1177.50
1956 0.00 0.00 0.00 0.00 49.50 303.00 183.00 186.50 55.00 17.50 0.00 0.00 794.50
1957 0.00 0.00 0.00 0.00 a 12.50 60.50 379.00 221.50 12.00 0.00 0.00 0.00 j 685.50
1958 0.00 0.00 0.00 1.50 50.00 88.50 183.00 337.50 108.62 a 17.71 c 0.00 0.00 a 786.83
1959 0.00 b 0.00 a 0.00 a 0.00 c 44.50 140.00 l 298.12 a 360.63 a 66.96 b 0.00 c 0.00 z 0.00 z 770.21
1960 0.00 z 0.00 z 0.00 z 7.50 f 24.50 51.00 273.00 234.50 101.00 1.50 0.00 0.00 685.50
1961 0.00 0.00 0.00 a 0.00 11.50 160.34 a 219.50 247.50 74.50 0.00 0.00 0.00 713.34
1962 0.00 a 0.00 0.00 13.50 20.00 83.50 164.00 151.50 8.00 6.50 0.00 0.00 a 447.00
1963 0.00 0.00 0.00 a 3.50 f 35.77 e 207.00 e 197.50 i 221.50 69.83 a 19.00 0.00 0.00 553.10
1964 0.00 0.00 0.00 5.00 70.00 176.00 382.50 193.50 62.50 2.00 0.00 0.00 891.50
1965 0.00 0.00 0.00 0.00 23.00 105.00 241.00 232.00 20.50 0.00 0.00 0.00 621.50
1966 0.00 0.00 0.00 0.00 21.50 150.00 431.50 158.50 41.50 0.50 0.00 0.00 803.50
1967 0.00 0.00 9.00 0.00 52.00 78.50 235.00 179.50 22.50 4.00 0.00 0.00 580.50
1968 0.00 0.00 0.00 1.50 7.50 175.00 236.00 243.00 36.00 4.50 0.00 0.00 703.50
1969 0.00 0.00 0.00 0.00 57.00 46.50 264.50 280.00 54.50 0.00 0.00 0.00 702.50
1970 0.00 0.00 0.00 7.00 52.50 175.00 333.50 284.00 144.50 7.50 0.00 0.00 1004.00
1971 0.00 0.00 0.00 3.00 5.50 220.00 174.50 312.00 74.50 2.50 0.00 0.00 792.00
1972 0.00 0.00 0.00 0.00 75.00 124.00 187.50 213.50 58.50 0.00 0.00 z 0.00 z 658.50
1973 0.00 0.00 0.00 0.00 9.00 147.50 279.50 334.00 26.50 0.50 0.00 0.00 797.00
1974 0.00 0.00 0.00 2.00 23.50 127.50 440.50 161.00 52.50 0.50 0.00 0.00 807.50
1975 0.00 0.00 0.00 0.00 34.50 128.50 406.00 261.00 37.50 15.00 0.00 0.00 882.50
1976 0.00 0.00 0.00 3.50 16.50 229.00 404.00 382.00 121.00 7.00 0.00 0.00 a 1163.00
1977 0.00 b 0.00 0.00 11.00 99.00 162.50 394.73 a 141.50 45.50 0.00 0.00 0.00 854.23
1978 0.00 0.00 0.00 0.00 34.00 152.00 240.00 233.50 178.50 0.00 0.00 0.00 838.00
1979 0.00 0.00 0.00 0.00 25.50 126.00 246.00 171.50 106.00 0.00 0.00 0.00 675.00
1980 0.00 0.00 0.00 25.50 52.50 161.90 a 330.50 225.50 81.50 13.50 0.00 0.00 c 890.90
1981 0.00 0.00 0.00 a 13.00 18.50 148.00 292.00 153.50 43.00 0.00 0.00 0.00 668.00
1982 0.00 0.00 0.00 2.50 18.00 46.00 277.50 210.00 45.00 0.00 0.00 0.00 a 599.00
1983 0.00 0.00 0.00 0.00 12.00 106.50 337.50 365.00 97.50 0.00 0.00 0.00 918.50
1984 0.00 0.00 0.00 0.00 17.00 126.50 230.00 252.50 52.50 6.00 0.00 0.00 684.50
1985 0.00 0.00 0.00 21.50 64.50 89.50 236.00 122.00 84.00 0.00 0.00 0.00 617.50
1986 0.00 a 0.00 a 0.00 0.00 25.50 161.50 270.50 114.38 b 12.41 a 0.00 z 0.00 l 0.00 584.29
1987 0.00 0.00 0.00 24.50 101.50 222.00 330.50 176.00 29.00 0.00 0.00 0.00 883.50
1988 0.00 b 0.00 0.00 2.00 76.50 322.00 364.50 275.50 34.50 0.00 0.00 0.00 b 1075.00
1989 0.00 0.00 a 0.00 9.00 22.00 123.50 346.00 214.00 55.50 6.50 0.00 a 0.00 776.50
1990 0.00 0.00 a 0.00 22.00 1.50 153.00 198.50 230.00 153.50 2.00 0.00 0.00 760.50
1991 0.00 0.00 0.00 6.21 a 79.00 225.00 244.00 238.00 80.50 3.50 0.00 0.00 876.21
1992 0.00 0.00 0.00 3.00 44.50 64.50 41.00 68.50 8.00 0.50 0.00 0.00 230.00
1993 0.00 0.00 0.00 a 0.00 2.50 39.50 89.50 o 169.50 6.50 3.50 0.00 0.00 221.50
1994 0.00 0.00 0.00 1.50 76.00 109.50 128.50 127.00 78.50 0.00 0.00 0.00 521.00
1995 0.00 0.00 0.00 b 0.00 2.50 168.00 276.00 281.50 64.50 0.00 0.00 0.00 792.50
1996 0.00 0.00 0.00 0.50 33.50 167.50 141.50 163.50 64.50 0.00 0.00 0.00 571.00
1997 0.00 0.00 0.00 0.00 10.00 154.50 259.00 163.50 79.00 38.00 0.00 0.00 704.00
1998 0.00 a 0.00 0.00 0.50 72.00 91.00 284.00 230.50 140.50 0.00 0.00 0.00 818.50
1999 0.00 0.00 0.00 0.00 13.50 143.50 335.50 214.50 39.50 0.00 0.00 0.00 746.50
2000 0.00 0.00 0.50 0.00 22.00 110.50 280.00 215.50 71.50 1.00 0.00 0.00 701.00
2001 0.00 0.00 0.00 12.50 11.50 170.00 349.50 248.50 70.00 4.50 0.00 0.00 866.50
2002 0.00 0.00 0.00 11.00 45.50 237.00 410.50 204.50 107.00 0.00 0.00 0.00 1015.50
2003 0.00 0.00 0.00 8.00 6.50 94.00 230.50 253.50 55.50 6.50 0.00 0.00 654.50
2004 0.00 0.00 0.00 0.00 27.50 57.50 165.50 66.50 112.50 0.00 0.00 0.00 429.50
2005 0.00 0.00 g 0.00 1.00 20.67 a 150.50 291.50 180.00 114.50 8.27 a 0.00 0.00 766.43
2006 0.00 0.00 0.00 5.00 38.00 119.00 303.00 198.50 13.00 7.00 0.00 0.00 683.50
2007 0.00 0.00 0.00 5.00 34.00 126.50 270.00 193.50 92.50 9.00 0.00 0.00 730.50
2008 0.00 0.00 0.00 0.00 0.00 38.00 219.00 168.00 51.50 0.00 0.00 0.00 476.50
2009 0.00 0.00 0.00 1.00 20.50 90.50 73.50 96.50 25.00 0.00 0.00 0.00 307.00
2010 0.00 0.00 0.00 0.00 38.00 78.00 210.00 246.50 4.00 2.50 0.00 0.00 579.00
2011 0.00 a 0.00 e 0.00 b 0.00 a 12.83 b 70.18 b 322.40 a 128.13 a 21.96 b 19.63 a 0.00 0.00 a 575.14
2012 0.00 0.00 5.50 9.50 20.00 188.00 431.00 215.50 76.50 0.00 0.00 0.00 946.00
2013 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 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.22 3.08 33.84 128.20 265.40 210.33 73.24 5.63 0.00 0.00 758.47
S.D. 0.00 0.00 1.14 5.57 35.12 71.49 103.83 81.55 50.82 9.14 0.00 0.00 227.41
SKEW 0.00 0.00 5.95 2.27 3.21 1.38 0.30 0.55 0.86 2.19 0.00 0.00 0.42
MAX 0.00 0.00 9.00 25.50 277.00 439.50 580.50 429.50 223.50 39.78 0.00 0.00 1410.69
MIN 0.00 0.00 0.00 0.00 0.00 22.50 41.00 45.50 0.00 0.00 0.00 0.00 230.00
NO YRS 112 112 113 112 119 107 115 119 117 109 107 108 78