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 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 0.00 0.00 0.00 0.00 20.00 92.50 220.00 148.50 40.50 0.00 0.00 0.00 521.50
1930 0.00 0.00 0.00 0.00 17.00 89.50 275.00 226.50 39.83 a 0.00 0.00 0.00 647.83
1931 0.00 0.00 a 0.00 0.00 33.00 191.50 240.00 154.50 119.00 0.00 0.00 0.00 738.00
1932 0.00 0.00 0.00 1.00 39.00 130.50 259.50 179.50 16.00 0.00 0.00 0.00 625.50
1933 0.00 0.00 0.00 0.00 10.50 318.00 266.00 176.50 80.50 0.00 0.00 0.00 851.50
1934 0.00 0.00 0.00 7.00 193.00 144.00 323.00 196.00 20.00 1.50 0.00 0.00 884.50
1935 0.00 0.00 0.00 0.00 0.00 58.50 374.00 222.00 33.00 2.50 0.00 b 0.00 690.00
1936 0.00 0.00 0.00 0.00 80.50 182.00 531.00 283.50 110.50 0.00 0.00 0.00 1187.50
1937 0.00 0.00 0.00 0.00 19.00 67.00 263.00 320.00 58.97 a 4.43 c 0.00 b 0.00 732.39
1938 0.00 0.00 z 0.00 z 0.00 a 5.68 a 110.00 181.35 a 277.00 41.50 0.00 0.00 0.00 615.53
1939 0.00 0.00 0.00 0.00 51.15 a 73.00 220.50 182.50 91.50 2.14 b 0.00 0.00 620.79
1940 0.00 0.00 0.00 0.00 1.03 a 75.00 252.00 127.50 108.62 a 0.00 a 0.00 0.00 564.15
1941 0.00 0.00 0.00 a 0.00 43.00 133.00 262.50 194.78 a 49.50 0.00 0.00 0.00 682.78
1942 0.00 0.00 0.00 0.00 3.50 22.00 109.50 100.50 32.00 0.00 0.00 0.00 267.50
1943 0.00 0.00 0.00 0.00 0.00 z 72.00 194.00 122.50 14.50 0.00 0.00 0.00 403.00
1944 0.00 0.00 a 0.00 0.00 47.50 61.00 106.00 109.00 1.00 0.00 0.00 0.00 324.50
1945 0.00 0.00 0.00 0.00 0.00 27.50 151.00 105.00 40.00 0.00 0.00 0.00 323.50
1946 0.00 0.00 0.00 0.50 21.50 124.00 226.00 122.00 27.50 0.00 0.00 0.00 521.50
1947 0.00 0.00 0.00 0.00 0.00 44.00 233.00 337.50 78.00 15.00 0.00 0.00 707.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 273.32 a 215.00 107.00 0.00 0.00 0.00 595.32
1949 0.00 0.00 0.00 6.00 32.03 a 108.50 252.50 300.00 22.00 6.20 a 0.00 0.00 727.23
1950 0.00 0.00 0.00 0.00 15.00 107.00 116.00 104.50 41.00 0.00 0.00 0.00 383.50
1951 0.00 0.00 0.00 0.00 3.50 18.00 126.00 84.50 0.00 2.58 a 0.00 0.00 a 234.58
1952 0.00 0.00 0.00 12.50 20.00 116.50 178.50 145.00 99.00 0.00 0.00 0.00 571.50
1953 0.00 0.00 0.00 0.00 9.00 98.79 a 147.00 180.50 39.50 17.00 0.00 0.00 491.79
1954 0.00 0.00 0.00 0.00 10.00 88.00 241.50 117.50 18.50 0.00 0.00 0.00 475.50
1955 0.00 0.00 0.00 4.50 66.50 71.00 273.50 218.50 46.00 3.50 0.00 0.00 683.50
1956 0.00 0.00 0.00 0.00 a 15.50 180.50 95.50 138.00 16.50 3.00 0.00 0.00 449.00
1957 0.00 0.00 0.00 a 0.00 9.00 22.50 292.50 136.00 17.50 1.00 0.00 a 0.00 478.50
1958 0.00 0.00 0.00 0.00 34.00 20.17 a 96.00 201.00 32.00 0.00 a 0.00 0.00 383.17
1959 0.00 0.00 0.00 0.00 43.00 154.00 204.50 236.50 46.00 0.00 0.00 0.00 684.00
1960 0.00 0.00 0.00 0.00 15.00 32.50 245.00 192.50 79.50 0.00 0.00 0.00 564.50
1961 0.00 0.00 0.00 2.50 1.00 133.50 112.50 219.00 44.50 0.00 0.00 0.00 513.00
1962 0.00 0.00 0.00 6.00 5.00 58.50 88.50 156.50 3.62 a 5.00 0.00 a 0.00 323.12
1963 0.00 0.00 0.00 0.00 9.00 140.00 201.50 151.00 14.50 8.00 0.00 0.00 524.00
1964 0.00 0.00 0.00 0.00 31.50 106.00 244.00 122.50 18.50 0.00 0.00 0.00 522.50
1965 0.00 0.00 0.00 0.00 10.50 40.50 160.50 138.50 0.00 0.00 0.00 0.00 350.00
1966 0.00 0.00 0.00 0.00 17.00 95.50 291.50 114.50 41.50 0.00 0.00 0.00 560.00
1967 0.00 0.00 0.00 0.00 13.50 25.00 143.50 109.00 20.00 0.00 0.00 0.00 311.00
1968 0.00 0.00 0.00 0.00 4.50 46.50 151.00 133.50 21.50 0.00 0.00 0.00 357.00
1969 0.00 0.00 0.00 0.00 42.50 4.50 146.50 233.00 50.50 0.00 0.00 0.00 477.00
1970 0.00 0.00 0.00 0.00 11.00 145.50 261.00 190.00 94.50 2.50 0.00 0.00 704.50
1971 0.00 0.00 0.00 0.00 2.00 107.00 90.00 177.50 45.50 0.00 0.00 0.00 422.00
1972 0.00 0.00 0.00 0.00 53.00 87.50 120.00 197.50 17.50 0.00 0.00 0.00 475.50
1973 0.00 0.00 0.00 2.00 5.00 92.50 174.00 260.00 25.50 0.00 0.00 0.00 559.00
1974 0.00 0.00 0.00 0.00 4.00 70.00 311.00 102.00 11.79 b 0.00 0.00 0.00 i 498.79
1975 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
1976 0.00 z 0.00 z 0.00 z 0.00 z 9.30 a 174.00 240.52 b 292.95 a 52.50 d 7.00 0.00 0.00 776.27
1977 0.00 0.00 0.00 a 4.14 a 121.42 a 113.28 a 273.50 63.50 11.00 0.00 f 0.00 0.00 a 586.83
1978 0.00 b 0.00 0.00 g 0.00 41.00 105.56 c 189.00 206.00 170.50 0.00 0.00 0.00 a 712.06
1979 0.00 0.00 0.00 0.00 15.00 84.50 164.00 f 120.50 65.50 0.00 0.00 0.00 285.50
1980 0.00 a 0.00 0.00 a 15.50 91.00 96.50 163.00 h 133.00 31.00 2.50 0.00 0.00 369.50
1981 0.00 a 0.00 0.00 a 2.00 12.50 40.86 a 254.50 189.00 41.50 0.00 0.00 0.00 540.36
1982 0.00 0.00 0.00 0.00 13.00 30.00 271.50 222.50 38.50 0.00 0.00 0.00 575.50
1983 0.00 0.00 0.00 0.00 s 2.50 108.50 333.00 355.00 69.50 0.00 0.00 0.00 z 868.50
1984 0.00 0.00 0.00 0.00 15.00 65.00 223.00 252.50 17.00 2.50 0.00 0.00 575.00
1985 0.00 b 0.00 0.00 8.00 39.50 41.00 202.50 85.50 22.50 0.00 0.00 a 0.00 399.00
1986 0.00 e 0.00 0.00 0.00 36.00 128.00 194.50 73.00 3.10 a 0.00 0.00 0.00 434.60
1987 0.00 0.00 0.00 5.00 55.50 191.00 283.50 115.50 25.50 0.00 0.00 0.00 676.00
1988 0.00 0.00 a 0.00 a 4.00 40.50 316.50 280.55 a 235.50 11.90 a 0.00 0.00 0.00 888.95
1989 0.00 0.00 a 0.00 0.00 4.13 a 69.50 327.00 154.00 30.00 3.50 0.00 0.00 588.13
1990 0.00 0.00 0.00 18.00 10.50 98.00 138.00 145.00 104.00 0.00 0.00 0.00 513.50
1991 0.00 0.00 0.00 0.00 69.00 140.50 134.50 206.00 42.50 0.50 0.00 0.00 593.00
1992 0.00 0.00 0.00 1.00 55.50 42.50 35.00 62.50 0.50 1.00 0.00 0.00 198.00
1993 0.00 0.00 0.00 0.00 7.00 44.00 46.00 123.50 2.00 0.00 0.00 0.00 222.50
1994 0.00 0.00 0.00 0.00 63.00 93.00 88.50 100.00 48.50 0.00 0.00 0.00 393.00
1995 0.00 0.00 0.00 0.00 1.50 180.00 162.00 227.50 36.00 0.00 0.00 0.00 607.00
1996 0.00 0.00 0.00 0.00 7.00 120.50 91.50 120.00 61.50 0.00 0.00 0.00 400.50
1997 0.00 0.00 0.00 0.00 0.50 108.00 215.50 141.50 30.00 1.50 0.00 0.00 497.00
1998 0.00 0.00 0.00 0.00 21.50 47.00 222.50 191.50 80.00 0.00 0.00 0.00 562.50
1999 0.00 0.00 0.00 0.00 20.00 74.50 203.00 140.50 12.00 0.00 0.00 0.00 z 450.00
2000 0.00 0.00 0.00 0.00 11.50 85.50 212.50 184.50 20.50 0.00 0.00 0.00 514.50
2001 0.00 0.00 0.00 3.00 15.50 a 109.50 259.00 189.00 40.00 0.00 0.00 r 0.00 z 616.00
2002 0.00 z 0.00 z 0.00 z 0.50 28.00 173.50 179.00 j 129.50 98.00 0.00 0.00 w 0.00 z 429.50
2003 0.00 z 0.00 z 0.00 z 0.00 z 8.50 75.00 163.00 43.50 w 39.50 1.50 0.00 j 0.00 z 287.50
2004 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 12.00 h 125.00 26.50 j 62.00 0.00 r 0.00 z 0.00 z 187.00
2005 0.00 z 0.00 z 0.00 z 0.00 9.50 84.50 202.00 122.50 55.50 2.50 0.00 z 0.00 z 476.50
2006 0.00 z 0.00 z 0.00 z 0.00 30.50 43.00 i 336.50 141.00 22.00 4.50 0.00 0.00 534.50
2007 0.00 0.00 0.00 t 0.00 23.50 135.00 241.00 101.00 61.50 0.00 0.00 0.00 z 562.00
2008 0.00 z 0.00 z 0.00 z 0.00 z 0.00 37.00 201.50 156.50 21.50 0.00 0.00 p 0.00 z 416.50
2009 0.00 z 0.00 z 0.00 z 0.00 b 0.00 h 46.80 e 49.50 k 64.50 k 11.50 t 0.00 e 0.00 g 0.00 c 46.80
2010 0.00 j 0.00 g 0.00 0.00 e 30.50 19.50 g 176.50 162.50 g 0.00 1.00 0.00 0.00 j 208.00
2011 0.00 d 0.00 h 0.00 m 0.00 h 0.00 c 48.50 g 282.58 e 139.00 g 29.00 f 27.38 a 0.00 c 0.00 c 309.96
2012 0.00 e 0.00 g 3.74 b 0.00 h 24.59 b 137.31 d 319.00 62.50 k 20.56 c 0.00 f 0.00 s 0.00 q 505.19
2013 0.00 c 0.00 e 0.00 d 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 0.05 1.38 25.33 97.20 210.80 170.65 42.28 1.62 0.00 0.00 538.26
S.D. 0.00 0.00 0.44 3.42 30.11 58.28 82.74 64.62 33.22 4.14 0.00 0.00 178.57
SKEW 0.00 0.00 8.25 3.20 2.88 1.37 0.51 0.75 1.25 4.21 0.00 0.00 0.74
MAX 0.00 0.00 3.74 18.00 193.00 318.00 531.00 355.00 170.50 27.38 0.00 0.00 1187.50
MIN 0.00 0.00 0.00 0.00 0.00 4.50 35.00 62.50 0.00 0.00 0.00 0.00 198.00
NO YRS 74 71 71 75 79 78 79 77 81 80 75 71 60