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
1940 0.00 0.00 0.00 0.00 8.50 100.00 289.33 a 144.50 86.00 0.00 0.00 0.00 628.33
1941 0.00 0.00 0.00 5.50 53.50 165.50 253.50 214.00 68.50 0.00 0.00 a 0.00 b 760.50
1942 0.00 0.00 a 0.00 12.00 13.50 84.11 b 177.50 164.09 b 32.14 b 0.00 0.00 b 0.00 a 483.34
1943 0.00 b 0.00 a 0.00 0.00 17.00 196.61 b 273.83 a 195.82 a 30.52 a 0.00 0.00 0.00 b 713.77
1944 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
1945 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
1946 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
1947 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
1948 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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 278.50 6.00 4.50 0.00 0.00 289.00
1950 0.00 c 0.00 0.00 0.00 19.00 134.00 169.00 109.00 26.50 12.92 a 0.00 0.00 470.42
1951 0.00 0.00 0.00 a 0.00 0.00 z 66.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 66.00
1952 0.00 a 0.00 0.00 23.00 36.50 182.50 287.00 156.00 90.50 0.00 0.00 z 0.00 775.50
1953 0.00 0.00 a 0.00 0.00 41.00 215.50 230.00 242.66 b 64.50 46.50 0.00 z 0.00 840.16
1954 0.00 b 0.00 p 0.00 2.50 13.50 251.00 293.50 180.83 a 40.50 0.00 a 0.00 0.00 781.83
1955 0.00 b 0.00 b 0.00 e 0.00 52.18 a 110.00 401.00 336.00 95.50 4.00 0.00 0.00 998.68
1956 0.00 a 0.00 0.00 0.00 42.00 277.00 162.23 a 224.00 33.50 14.50 0.00 0.00 753.23
1957 0.00 0.00 a 0.00 6.50 21.50 130.00 351.85 a 213.50 33.50 0.00 0.00 0.00 756.85
1958 0.00 a 0.00 0.00 2.14 b 43.50 48.62 a 184.50 245.00 56.50 12.00 0.00 0.00 c 592.26
1959 0.00 0.00 0.00 0.00 75.00 193.45 a 273.00 323.50 103.00 0.00 0.00 0.00 a 967.95
1960 0.00 0.00 0.00 a 13.00 20.50 70.50 224.00 229.50 122.00 3.00 0.00 0.00 682.50
1961 0.00 0.00 0.00 0.00 21.50 170.50 229.50 228.00 77.50 3.50 0.00 c 0.00 a 730.50
1962 0.00 0.00 0.00 13.00 96.50 147.50 164.50 203.50 33.50 19.00 0.00 0.00 677.50
1963 0.00 0.00 0.00 2.00 29.50 259.50 318.50 189.50 71.50 42.50 0.00 0.00 913.00
1964 0.00 0.00 0.00 4.50 86.00 184.50 354.50 194.50 65.00 2.00 0.00 0.00 891.00
1965 0.00 0.00 0.00 0.00 53.50 91.00 204.50 163.50 14.50 11.50 0.00 0.00 538.50
1966 0.00 0.00 0.00 0.00 25.50 171.00 340.00 156.00 60.00 6.50 0.00 0.00 759.00
1967 0.00 0.00 1.00 0.00 26.00 124.50 199.00 138.00 38.50 8.50 0.00 0.00 535.50
1968 0.00 0.00 0.00 2.50 10.50 147.00 204.50 232.00 37.50 20.00 0.00 0.00 654.00
1969 0.00 0.00 0.00 0.00 63.00 36.50 239.50 266.50 67.50 11.50 0.00 0.00 684.50
1970 0.00 0.00 a 0.00 15.50 63.00 196.00 288.50 214.00 80.50 7.00 0.00 0.00 864.50
1971 0.00 0.00 0.00 0.00 5.00 247.50 142.00 153.50 100.00 16.50 0.00 0.00 664.50
1972 0.00 0.00 0.00 0.00 97.00 107.50 189.50 224.50 24.50 0.00 0.00 0.00 643.00
1973 0.00 0.00 0.00 0.00 3.00 144.00 239.00 229.50 35.00 11.50 0.00 0.00 662.00
1974 0.00 0.00 0.00 1.00 15.50 84.50 341.00 130.00 12.50 0.00 0.00 0.00 584.50
1975 0.00 0.00 0.00 0.00 62.00 129.00 299.50 181.00 13.00 11.00 0.00 0.00 695.50
1976 0.00 0.00 0.00 2.50 11.50 174.50 308.50 227.50 54.00 4.50 0.00 0.00 783.00
1977 0.00 0.00 0.00 23.00 162.50 141.50 341.50 133.50 37.50 0.00 0.00 0.00 839.50
1978 0.00 0.00 0.00 0.00 43.00 122.00 170.00 194.50 135.50 0.00 0.00 c 0.00 a 665.00
1979 0.00 a 0.00 0.00 0.00 9.50 82.00 183.50 144.48 c 43.50 2.00 0.00 0.00 464.98
1980 0.00 0.00 0.00 12.50 51.00 146.50 319.50 187.11 c 40.00 0.00 0.00 0.00 756.61
1981 0.00 0.00 0.00 0.00 a 11.00 101.50 215.00 155.00 28.50 0.00 0.00 0.00 511.00
1982 0.00 a 0.00 0.00 0.00 37.00 41.00 0.00 z 195.50 43.45 a 0.00 0.00 0.00 316.95
1983 0.00 0.00 0.00 0.00 1.50 150.00 332.50 327.00 98.00 12.00 0.00 0.00 921.00
1984 0.00 0.00 0.00 1.00 10.50 152.50 184.00 260.00 39.00 0.00 0.00 a 0.00 b 647.00
1985 0.00 a 0.00 0.00 32.00 44.50 96.00 233.50 98.00 0.00 z 0.00 0.00 0.00 a 504.00
1986 0.00 0.00 0.00 6.00 52.50 169.00 319.50 121.00 47.50 0.00 0.00 0.00 715.50
1987 0.00 0.00 0.00 14.00 103.00 225.00 335.00 183.00 48.00 0.00 0.00 0.00 908.00
1988 0.00 0.00 0.00 0.00 86.00 262.50 359.50 330.50 59.50 0.00 0.00 0.00 1098.00
1989 0.00 0.00 0.00 0.00 25.83 a 117.50 318.00 188.50 54.00 5.50 0.00 0.00 709.33
1990 0.00 0.00 0.00 a 29.50 10.00 174.00 229.00 212.00 123.50 2.50 0.00 0.00 780.50
1991 0.00 0.00 0.00 13.00 107.50 73.50 r 232.00 222.00 78.50 0.00 0.00 0.00 653.00
1992 0.00 0.00 0.00 0.00 55.50 87.50 92.00 110.00 35.50 8.00 0.00 0.00 388.50
1993 0.00 0.00 0.00 0.00 27.00 90.50 219.00 236.50 19.50 6.00 0.00 0.00 598.50
1994 0.00 0.00 0.00 5.00 50.00 201.00 162.00 128.50 82.50 2.50 0.00 0.00 631.50
1995 0.00 0.00 0.00 0.00 2.50 230.50 283.00 349.50 71.00 5.50 0.00 0.00 942.00
1996 0.00 0.00 0.00 0.00 25.00 155.50 162.00 188.00 78.00 2.50 0.00 0.00 611.00
1997 0.00 0.00 0.00 0.00 1.00 163.50 219.50 132.00 51.00 33.50 0.00 0.00 600.50
1998 0.00 0.00 0.00 0.50 76.00 125.00 252.00 216.50 136.50 1.00 0.00 0.00 807.50
1999 0.00 0.00 0.00 0.00 34.00 125.50 298.63 a 107.50 64.00 0.00 0.00 0.00 629.63
2000 0.00 0.00 0.00 0.00 40.50 103.00 195.00 182.00 50.50 6.50 1.00 0.00 578.50
2001 0.00 0.00 0.00 5.00 43.00 160.50 290.50 275.50 44.00 0.00 a 0.00 0.00 818.50
2002 0.00 0.00 0.00 17.00 26.00 199.00 321.00 194.00 128.00 5.00 0.00 0.00 890.00
2003 0.00 0.00 0.00 15.00 7.50 111.50 229.50 287.50 100.50 11.00 0.00 0.00 762.50
2004 0.00 0.00 0.00 14.00 14.00 84.00 191.50 96.00 135.00 1.00 0.00 0.00 535.50
2005 0.00 0.00 0.00 6.50 7.00 248.00 323.50 202.50 118.50 37.50 0.00 0.00 943.50
2006 0.00 0.00 0.00 0.50 73.50 161.50 376.50 215.50 36.00 10.50 0.00 0.00 874.00
2007 0.00 0.00 0.00 8.00 85.00 217.00 279.50 223.50 123.50 40.50 0.00 0.00 977.00
2008 0.00 0.00 0.00 0.00 5.00 103.50 262.50 189.50 77.50 5.00 0.50 0.00 643.50
2009 0.00 0.00 0.00 3.50 27.00 139.00 115.00 155.00 74.00 0.00 0.00 0.00 513.50
2010 0.00 0.00 0.50 11.00 84.00 139.00 332.00 336.50 19.50 8.50 0.00 0.00 931.00
2011 0.00 0.00 0.00 0.00 45.00 170.00 403.50 235.00 74.00 34.10 a 0.00 0.00 961.60
2012 0.00 0.00 a 13.43 a 0.00 92.48 a 228.50 445.88 a 211.50 73.00 0.00 k 0.00 z 0.00 z 1064.80
Period of Record Statistics
MEAN 0.00 0.00 0.22 4.82 40.95 149.46 259.37 203.18 62.77 7.78 0.02 0.00 724.46
S.D. 0.00 0.00 1.63 7.59 32.84 57.27 75.25 60.97 33.96 11.33 0.14 0.00 158.10
SKEW 0.00 0.00 7.98 1.80 1.12 0.25 0.11 0.49 0.56 2.00 6.21 0.00 0.18
MAX 0.00 0.00 13.43 32.00 162.50 277.00 445.88 349.50 136.50 46.50 1.00 0.00 1098.00
MIN 0.00 0.00 0.00 0.00 1.00 36.50 92.00 96.00 6.00 0.00 0.00 0.00 388.50
NO YRS 68 67 68 67 66 66 65 67 66 66 64 66 59