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
1914 0.00 z 0.00 z 0.00 z 0.00 z 38.50 l 73.50 276.00 139.00 31.00 21.00 0.00 0.00 540.50
1915 0.00 0.00 0.00 4.00 3.50 32.00 79.50 80.00 38.50 0.00 0.00 0.00 237.50
1916 0.00 a 0.00 0.00 0.00 7.50 26.00 364.00 173.00 37.50 0.00 0.00 h 0.00 608.00
1917 0.00 0.00 0.00 0.00 14.00 66.21 a 278.48 a 112.50 28.50 0.00 0.00 0.00 499.69
1918 0.00 0.00 0.00 0.00 40.50 101.50 156.00 194.50 5.50 1.00 0.00 0.00 499.00
1919 0.00 0.00 0.00 0.00 40.00 178.00 278.00 169.50 78.50 0.00 0.00 0.00 744.00
1920 0.00 0.00 0.00 0.00 8.50 87.00 151.50 132.50 69.50 11.00 0.00 0.00 460.00
1921 0.00 0.00 0.00 a 0.00 33.00 276.00 297.00 188.00 35.50 0.00 0.00 z 0.00 z 829.50
1922 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 167.50 258.50 125.00 21.50 0.00 0.00 572.50
1923 0.00 a 0.00 b 0.00 1.00 21.18 a 184.50 288.00 114.50 54.00 1.50 0.00 0.00 664.68
1924 0.00 0.00 0.00 3.00 0.00 a 29.50 79.50 80.00 1.00 0.00 0.00 0.00 193.00
1925 0.00 0.00 0.00 0.00 34.50 42.50 106.50 202.50 57.00 p 0.00 0.00 z 0.00 z 386.00
1926 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 49.14 a 237.50 117.00 21.50 0.00 0.00 0.00 425.14
1927 0.00 0.00 0.00 0.00 0.00 103.00 106.00 91.50 134.00 0.00 0.00 0.00 434.50
1928 0.00 0.00 0.00 0.00 38.00 20.00 190.50 162.00 14.00 4.50 0.00 0.00 429.00
1929 0.00 0.00 0.00 0.00 25.50 107.50 367.50 317.00 89.00 8.50 0.00 0.00 915.00
1930 0.00 0.00 0.00 0.00 42.00 144.50 293.50 261.50 49.00 16.00 0.00 0.00 806.50
1931 0.00 0.00 0.00 1.50 0.00 z 216.50 334.50 167.00 177.50 8.00 0.00 0.00 905.00
1932 0.00 0.00 0.00 1.00 47.00 150.00 291.50 216.00 18.00 0.00 0.00 0.00 723.50
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 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
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 295.02 a 236.00 146.50 0.00 0.00 0.00 a 677.52
1949 0.00 0.00 0.00 1.50 66.00 133.50 266.00 318.00 32.00 6.00 0.00 0.00 823.00
1950 0.00 0.00 0.00 0.00 19.50 139.66 a 121.00 95.50 40.00 0.00 0.00 0.00 415.66
1951 0.00 0.00 b 0.00 1.00 16.50 35.50 190.50 96.00 13.33 c 6.31 d 0.00 a 0.00 a 359.15
1952 0.00 j 0.00 a 0.00 22.50 37.20 a 183.62 a 252.00 206.50 104.00 n 0.00 t 0.00 a 0.00 701.82
1953 0.00 0.00 0.00 0.00 k 27.00 k 150.00 h 235.60 a 260.50 65.50 35.50 0.00 a 0.00 597.10
1954 0.00 f 0.00 a 0.00 0.00 11.50 135.00 270.00 180.50 25.00 0.00 0.00 a 0.00 a 622.00
1955 0.00 0.00 0.00 b 8.50 86.00 125.50 367.50 311.00 89.00 13.00 0.00 c 0.00 1000.50
1956 0.00 0.00 0.00 0.00 a 21.18 a 234.00 170.00 215.93 b 45.50 14.00 0.00 a 0.00 a 700.61
1957 0.00 a 0.00 0.00 a 3.75 b 28.00 84.50 396.00 197.50 37.50 1.50 0.00 0.00 d 748.75
1958 0.00 e 0.00 a 0.00 4.50 55.69 d 59.46 b 198.73 c 295.00 75.00 a 7.00 0.00 c 0.00 695.38
1959 0.00 b 0.00 0.00 0.00 71.50 242.50 279.00 337.50 116.00 0.00 a 0.00 d 0.00 a 1046.50
1960 0.00 0.00 b 0.00 0.00 30.50 75.50 305.00 289.00 133.50 1.50 0.00 b 0.00 835.00
1961 0.00 c 0.00 a 0.00 b 0.00 b 12.50 185.00 199.00 303.50 56.11 c 7.48 b 0.00 0.00 h 763.59
1962 0.00 0.00 0.00 b 9.50 12.00 104.50 125.50 157.50 25.50 19.50 0.00 0.00 e 454.00
1963 0.00 0.00 0.00 a 0.00 31.52 a 188.50 269.00 200.50 61.00 28.00 0.00 0.00 778.52
1964 0.00 0.00 0.00 0.00 b 79.00 197.00 339.50 196.00 72.00 0.00 a 0.00 0.00 883.50
1965 0.00 0.00 a 0.00 0.00 8.00 77.50 210.50 183.50 7.50 0.00 0.00 0.00 487.00
1966 0.00 0.00 0.00 0.00 28.42 a 134.00 392.00 152.42 a 57.50 0.50 0.00 0.00 764.83
1967 0.00 0.00 3.50 0.00 16.00 69.50 185.50 138.50 37.50 11.50 0.00 0.00 462.00
1968 0.00 0.00 0.00 2.50 4.00 116.00 215.50 235.00 32.50 11.00 0.00 0.00 616.50
1969 0.00 0.00 0.00 0.00 72.00 33.50 214.50 282.50 82.00 0.00 0.00 0.00 684.50
1970 0.00 0.00 0.00 1.00 22.50 193.50 299.00 263.00 119.00 13.50 0.00 0.00 911.50
1971 0.00 0.00 0.00 1.00 10.00 188.00 125.00 220.50 79.00 4.00 0.00 0.00 627.50
1972 0.00 0.00 0.00 0.00 72.50 130.00 179.50 238.00 40.50 0.00 0.00 0.00 660.50
1973 0.00 0.00 0.00 1.50 11.50 127.50 187.50 269.50 29.00 1.00 0.00 0.00 627.50
1974 0.00 0.00 0.00 3.50 18.50 114.50 357.00 140.50 24.50 1.00 0.00 0.00 659.50
1975 0.00 0.00 0.00 0.00 35.50 113.00 354.00 191.00 17.00 14.00 0.00 0.00 724.50
1976 0.00 0.00 a 0.00 2.00 6.50 204.00 325.00 341.00 115.50 16.57 b 0.00 0.00 b 1010.57
1977 0.00 0.00 0.00 9.00 109.00 119.50 286.23 a 60.00 24.50 0.00 0.00 a 0.00 608.23
1978 0.00 0.00 0.00 0.00 48.50 116.50 220.50 244.50 170.50 0.00 0.00 0.00 800.50
1979 0.00 0.00 0.00 a 0.00 18.50 107.00 208.50 125.50 75.50 0.00 0.00 0.00 535.00
1980 0.00 0.00 0.00 22.00 87.50 94.50 251.00 151.00 48.00 9.50 0.00 0.00 663.50
1981 0.00 0.00 0.00 0.00 18.00 49.00 220.50 172.00 52.00 0.00 0.00 0.00 511.50
1982 0.00 0.00 0.00 0.00 19.00 30.50 258.00 232.00 38.00 0.00 0.00 0.00 577.50
1983 0.00 0.00 0.00 0.00 0.50 126.50 370.00 347.00 99.00 0.00 0.00 0.00 943.00
1984 0.00 0.00 0.00 0.00 22.00 109.50 218.00 f 305.50 38.00 4.50 0.00 0.00 479.50
1985 0.00 0.00 0.00 9.00 62.50 72.00 224.00 86.50 37.00 0.00 0.00 0.00 491.00
1986 0.00 0.00 0.00 0.00 54.50 183.50 269.00 116.50 19.50 0.00 0.00 0.00 643.00
1987 0.00 0.00 0.00 24.00 0.00 z 211.50 329.50 188.00 40.00 0.00 0.00 0.00 793.00
1988 0.00 0.00 0.00 1.50 107.50 315.00 375.50 289.00 44.50 0.00 0.00 0.00 1133.00
1989 0.00 0.00 0.00 0.00 28.00 120.00 327.00 179.50 48.50 13.50 0.00 0.00 716.50
1990 0.00 0.00 0.00 31.50 7.50 148.50 180.50 188.50 113.50 1.50 0.00 0.00 671.50
1991 0.00 0.00 0.00 0.00 104.50 184.50 216.00 260.50 62.50 0.00 0.00 0.00 828.00
1992 0.00 0.00 0.00 7.00 79.00 68.50 58.00 119.50 34.50 8.00 0.00 0.00 z 374.50
1993 0.00 0.00 0.00 0.00 12.00 61.00 134.00 183.50 10.00 3.50 0.00 0.00 404.00
1994 0.00 0.00 0.00 0.50 80.00 170.50 158.50 129.50 84.00 0.00 0.00 0.00 623.00
1995 0.00 0.00 0.00 0.00 2.00 225.50 223.00 269.50 75.00 7.00 0.00 0.00 802.00
1996 0.00 0.00 0.00 0.00 17.00 182.50 191.00 197.00 70.50 0.00 0.00 z 0.00 658.00
1997 0.00 0.00 0.00 0.00 5.00 185.50 236.00 172.50 75.00 35.50 0.00 0.00 709.50
1998 0.00 0.00 0.00 0.50 63.00 104.00 264.00 260.00 121.00 0.00 0.00 0.00 812.50
1999 0.00 0.00 0.00 0.00 28.50 150.50 313.00 214.00 22.00 3.00 0.00 0.00 731.00
2000 0.00 0.00 0.00 0.00 37.00 102.00 240.50 232.00 55.00 0.00 z 0.00 0.00 666.50
2001 0.00 0.00 0.00 7.00 41.50 162.50 324.00 270.00 57.50 0.00 0.00 0.00 a 862.50
2002 0.00 0.00 0.00 4.50 36.00 244.50 349.00 177.50 142.00 0.00 0.00 0.00 953.50
2003 0.00 z 0.00 0.00 10.00 14.00 110.00 250.00 304.00 76.50 27.50 0.00 0.00 792.00
2004 0.00 0.00 0.00 5.50 0.00 59.00 183.50 35.00 64.00 0.50 0.00 0.00 347.50
2005 0.00 0.00 0.00 3.00 6.50 130.00 221.00 117.00 62.00 6.50 0.00 0.00 546.00
2006 0.00 0.00 0.00 0.00 45.50 110.00 287.50 145.50 24.50 4.50 0.00 0.00 617.50
2007 0.00 0.00 0.00 0.00 33.00 142.00 240.50 110.50 77.50 5.50 0.00 0.00 609.00
2008 0.00 0.00 0.00 0.00 1.00 63.50 194.00 147.50 42.00 0.00 0.00 0.00 448.00
2009 0.00 0.00 0.00 0.50 8.50 102.00 79.00 83.50 47.00 0.00 0.00 0.00 320.50
2010 0.00 0.00 0.00 0.00 47.00 84.00 218.00 218.00 1.50 9.00 0.00 0.00 a 577.50
2011 0.00 e 0.00 0.00 0.00 7.50 70.50 312.00 153.00 45.00 19.00 0.00 0.00 607.00
2012 0.00 0.00 5.00 0.00 41.00 148.00 334.00 120.50 51.50 2.50 0.00 0.00 702.50
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 0.10 2.64 32.88 125.63 243.54 194.45 58.92 5.69 0.00 0.00 657.26
S.D. 0.00 0.00 0.67 5.87 27.68 62.78 80.94 73.55 39.16 8.37 0.00 0.00 196.79
SKEW 0.00 0.00 6.42 3.17 1.02 0.51 -0.21 0.15 1.01 1.80 0.00 0.00 0.02
MAX 0.00 0.00 5.00 31.50 109.00 315.00 396.00 347.00 177.50 35.50 0.00 0.00 1133.00
MIN 0.00 0.00 0.00 0.00 0.00 20.00 58.00 35.00 1.00 0.00 0.00 0.00 193.00
NO YRS 78 81 81 79 77 81 83 84 82 82 80 80 66