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 201205
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
1919 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 9.00 j 0.00 0.00 0.00 z 0.00
1920 0.00 z 0.00 z 0.00 c 0.00 e 11.48 d 81.67 c 39.50 q 44.50 f 44.46 b 2.00 n 0.00 z 0.00 z 137.61
1921 0.00 z 0.00 z 0.00 z 0.00 z 71.50 175.96 d 320.69 b 84.73 a 41.90 a 0.00 0.00 z 0.00 e 694.78
1922 0.00 c 0.00 0.00 c 0.00 31.00 65.89 b 46.50 e 146.00 62.59 a 0.00 z 0.00 d 0.00 c 351.98
1923 0.00 b 0.00 z 0.00 c 8.04 b 9.00 152.22 c 187.07 b 42.62 c 42.00 e 3.58 e 0.00 d 0.00 i 444.53
1924 0.00 e 0.00 0.00 0.00 0.00 a 15.00 a 81.50 56.50 0.00 a 0.00 0.00 0.00 a 153.00
1925 0.00 c 0.00 0.00 b 0.00 b 39.55 b 109.14 a 139.50 a 170.00 62.00 0.00 0.00 c 0.00 520.19
1926 0.00 b 0.00 c 0.00 a 0.00 35.00 7.76 a 112.50 63.07 b 23.04 b 0.00 a 0.00 0.00 241.36
1927 0.00 0.00 b 0.00 b 0.00 b 0.00 b 63.00 74.00 9.00 88.00 0.00 0.00 0.00 b 234.00
1928 0.00 0.00 0.00 a 0.00 a 14.50 11.00 124.50 118.50 3.00 4.50 0.00 a 0.00 276.00
1929 0.00 0.00 0.00 0.00 31.00 54.50 182.50 102.50 65.00 0.00 0.00 a 0.00 435.50
1930 0.00 a 0.00 0.00 0.00 b 7.75 a 51.67 c 178.50 183.93 a 20.19 d 25.00 0.00 0.00 467.04
1931 0.00 0.00 0.00 0.00 c 28.33 b 174.31 a 238.38 b 108.00 99.00 9.00 0.00 d 0.00 657.02
1932 0.00 b 0.00 0.00 a 0.00 22.00 118.00 209.00 142.00 6.00 0.00 0.00 0.00 a 497.00
1933 0.00 0.00 0.00 0.00 33.00 270.50 258.00 102.30 a 87.00 0.00 0.00 b 0.00 750.80
1934 0.00 0.00 0.00 8.50 63.50 113.50 182.50 118.50 5.50 0.00 0.00 0.00 a 492.00
1935 0.00 0.00 0.00 0.00 0.00 a 0.00 z 301.45 b 141.50 12.00 0.00 0.00 f 0.00 a 454.95
1936 0.00 0.00 0.00 0.00 11.50 20.00 218.00 f 143.50 62.00 0.00 0.00 a 0.00 237.00
1937 0.00 0.00 0.00 0.00 14.50 41.00 138.98 a 191.50 36.00 0.00 a 0.00 a 0.00 421.98
1938 0.00 0.00 b 0.00 0.00 0.00 28.50 70.50 114.50 1.55 a 3.50 0.00 0.00 218.55
1939 0.00 0.00 0.00 0.00 32.50 75.00 220.10 a 108.50 69.50 1.00 0.00 a 0.00 506.60
1940 0.00 f 0.00 a 0.00 0.00 b 0.00 48.50 189.50 103.50 86.50 0.00 a 0.00 b 0.00 428.00
1941 0.00 0.00 0.00 a 7.24 a 37.00 113.50 228.00 124.52 a 43.45 a 0.00 a 0.00 z 0.00 z 553.71
1942 0.00 z 0.00 x 0.00 e 3.00 e 6.50 g 58.45 a 129.00 110.50 14.50 0.00 0.00 0.00 a 315.45
1943 0.00 b 0.00 c 0.00 b 0.00 12.92 a 128.00 242.00 133.50 19.50 0.00 0.00 a 0.00 b 535.92
1944 0.00 a 0.00 c 0.00 b 0.00 52.91 b 89.46 b 117.28 a 153.50 21.50 0.00 0.00 a 0.00 b 434.66
1945 0.00 0.00 0.00 0.00 b 0.00 c 34.50 107.97 b 92.50 39.50 0.00 b 0.00 a 0.00 274.47
1946 0.00 a 0.00 b 0.00 b 0.00 0.50 67.00 152.93 a 48.50 g 33.62 a 0.00 a 0.00 0.00 c 254.05
1947 0.00 f 0.00 0.00 0.00 d 5.68 a 45.50 192.00 308.97 a 79.66 a 12.50 0.00 b 0.00 a 644.31
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 52.50 b 217.00 144.00 89.48 a 0.00 0.00 b 0.00 502.98
1949 0.00 d 0.00 0.00 0.00 a 37.00 146.25 b 228.37 a 179.00 11.25 b 0.00 a 0.00 0.00 a 601.87
1950 0.00 0.00 b 0.00 0.00 21.38 b 108.00 0.00 z 59.00 2.07 a 0.00 0.00 f 0.00 f 190.45
1951 0.00 0.00 g 0.00 0.00 21.00 10.50 108.00 27.50 2.50 0.00 0.00 a 0.00 169.50
1952 0.00 0.00 a 0.00 5.56 c 4.50 86.00 160.00 61.48 a 50.36 b 0.00 0.00 a 0.00 a 367.90
1953 0.00 c 0.00 0.00 a 0.00 15.50 103.50 100.50 117.00 41.50 20.00 0.00 a 0.00 398.00
1954 0.00 0.00 0.00 0.00 0.00 108.62 a 115.00 46.00 2.50 0.00 0.00 a 0.00 272.12
1955 0.00 0.00 0.00 0.00 13.50 66.00 239.00 165.00 26.00 1.50 0.00 0.00 511.00
1956 0.00 0.00 0.00 0.00 9.50 105.00 34.00 57.50 5.17 a 1.50 0.00 0.00 212.67
1957 0.00 0.00 0.00 0.00 1.00 24.31 a 184.50 89.50 11.00 0.00 p 0.00 0.00 310.31
1958 0.00 0.00 0.00 0.00 12.50 19.50 70.50 82.50 21.21 a 0.00 a 0.00 0.00 206.21
1959 0.00 0.00 0.00 0.00 47.00 119.00 168.00 187.00 51.50 0.00 0.00 0.00 572.50
1960 0.00 0.00 0.00 0.00 1.50 24.00 145.00 160.50 72.50 0.00 0.00 0.00 403.50
1961 0.00 0.00 0.00 0.00 13.50 81.50 109.50 172.50 69.50 0.00 0.00 0.00 446.50
1962 0.00 0.00 0.00 0.50 54.00 51.00 54.50 84.00 11.00 6.50 0.00 0.00 261.50
1963 0.00 a 0.00 0.00 0.00 12.00 120.50 191.50 79.00 14.00 15.00 0.00 0.00 432.00
1964 0.00 0.00 0.00 0.00 39.00 107.50 221.00 86.50 22.00 0.00 0.00 0.00 476.00
1965 0.00 0.00 0.00 0.00 7.00 24.50 79.05 a 76.50 1.00 5.00 0.00 0.00 193.05
1966 0.00 0.00 0.00 0.00 0.00 a 101.50 227.00 58.00 22.50 0.00 0.00 0.00 409.00
1967 0.00 0.00 0.00 0.00 7.50 32.50 92.00 51.50 1.50 0.00 0.00 0.00 185.00
1968 0.00 0.00 0.00 2.00 0.00 32.68 b 116.00 123.00 10.00 14.50 0.00 a 0.00 298.18
1969 0.00 0.00 0.00 0.00 38.00 2.07 a 108.00 169.50 35.50 4.00 0.00 a 0.00 357.07
1970 0.00 0.00 0.00 0.00 12.50 98.04 b 200.50 108.00 51.50 3.00 0.00 0.00 473.54
1971 0.00 0.00 0.00 0.00 a 0.00 110.00 54.25 a 56.50 55.50 7.50 0.00 0.00 283.75
1972 0.00 0.00 0.00 0.00 50.50 38.28 a 76.00 99.00 0.50 0.00 0.00 0.00 264.28
1973 0.00 0.00 0.00 0.00 a 0.00 30.00 112.00 148.50 32.50 1.50 0.00 0.00 324.50
1974 0.00 0.00 0.00 2.00 9.50 30.50 202.00 50.50 0.00 1.50 0.00 0.00 296.00
1975 0.00 0.00 0.00 0.00 29.97 a 65.00 214.00 93.00 4.00 0.00 0.00 a 0.00 405.97
1976 0.00 0.00 0.00 2.07 a 1.50 75.50 165.00 157.00 45.50 0.00 0.00 0.00 446.57
1977 0.00 0.00 0.00 4.50 68.00 50.50 173.00 28.00 0.50 0.00 0.00 0.00 324.50
1978 0.00 0.00 0.00 0.00 35.50 57.93 a 102.50 109.50 74.50 0.00 0.00 0.00 379.93
1979 0.00 0.00 0.00 0.00 7.50 30.50 106.50 61.50 30.54 b 0.00 0.00 0.00 236.54
1980 0.00 0.00 z 0.00 9.00 34.50 48.00 169.50 92.50 11.50 0.00 0.00 0.00 365.00
1981 0.00 0.00 0.00 0.00 6.50 24.50 133.00 85.00 1.55 a 0.00 0.00 0.00 250.55
1982 0.00 0.00 0.00 0.00 9.50 4.50 167.50 90.50 30.00 0.00 0.00 0.00 302.00
1983 0.00 0.00 0.00 0.00 0.00 82.00 234.00 189.50 63.50 1.50 0.00 0.00 570.50
1984 0.00 0.00 0.00 0.00 0.00 66.00 122.00 188.50 5.00 0.00 0.00 0.00 381.50
1985 0.00 0.00 0.00 2.50 12.50 41.50 100.50 46.00 48.00 0.00 0.00 0.00 251.00
1986 0.00 0.00 0.00 0.00 31.00 82.00 166.00 49.50 15.50 0.00 0.00 0.00 344.00
1987 0.00 0.00 0.00 1.50 27.50 108.00 214.50 88.00 17.00 0.00 0.00 0.00 456.50
1988 0.00 0.00 0.00 0.00 49.00 148.00 263.50 181.50 23.50 0.00 0.00 0.00 665.50
1989 0.00 0.00 0.00 0.00 8.50 50.00 188.50 109.50 24.50 15.00 0.00 0.00 396.00
1990 0.00 0.00 0.00 27.00 0.00 77.50 110.00 93.00 35.00 0.00 0.00 0.00 342.50
1991 0.00 0.00 0.00 0.00 67.50 101.50 110.00 139.00 25.00 0.00 0.00 0.00 a 443.00
1992 0.00 0.00 0.00 0.00 49.00 40.00 20.00 61.00 6.00 2.00 0.00 0.00 b 178.00
1993 0.00 0.00 0.00 0.00 8.00 42.00 103.00 133.50 3.50 0.00 0.00 0.00 290.00
1994 0.00 0.00 0.00 0.00 20.00 82.50 84.00 67.50 40.00 0.00 0.00 0.00 294.00
1995 0.00 0.00 0.00 0.00 0.00 152.50 138.00 163.50 29.00 4.50 0.00 0.00 487.50
1996 0.00 0.00 0.00 0.00 7.00 77.50 65.50 102.50 52.50 0.00 0.00 0.00 305.00
1997 0.00 0.00 0.00 0.00 0.00 85.00 136.50 55.00 19.00 4.00 0.00 0.00 299.50
1998 0.00 0.00 0.00 0.00 42.50 67.00 134.00 132.50 73.50 0.00 0.00 0.00 449.50
1999 0.00 0.00 0.00 0.00 23.50 96.00 218.00 71.00 48.00 p 0.00 0.00 0.00 408.50
2000 0.00 0.00 0.00 0.00 29.00 25.50 125.50 106.43 a 11.00 0.00 0.00 0.00 297.43
2001 0.00 0.00 0.00 10.00 8.50 106.50 174.50 176.50 21.50 0.00 0.00 0.00 497.50
2002 0.00 0.00 0.00 5.00 11.50 103.50 210.00 89.00 19.50 n 0.00 0.00 0.00 419.00
2003 0.00 0.00 r 0.00 v 0.00 g 8.50 49.50 125.50 167.00 60.50 10.50 0.00 0.00 421.50
2004 0.00 0.00 0.00 0.00 0.50 31.00 101.00 21.50 68.00 0.00 0.00 0.00 222.00
2005 0.00 0.00 0.00 3.00 2.50 108.50 204.50 125.00 60.00 12.00 0.00 0.00 515.50
2006 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 109.50 14.50 0.00 z 0.00 0.00 124.00
2007 0.00 0.00 0.00 0.00 40.00 112.50 180.50 120.00 61.50 9.00 0.00 0.00 523.50
2008 0.00 0.00 0.00 0.00 0.00 23.50 118.00 84.00 43.50 2.50 0.00 0.00 271.50
2009 0.00 0.00 0.00 0.00 6.50 82.50 39.50 67.00 34.00 0.00 0.00 0.00 229.50
2010 0.00 0.00 0.00 0.00 44.50 47.50 0.00 z 206.00 7.50 0.00 0.00 e 0.00 c 305.50
2011 0.00 0.00 c 0.00 j 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
2012 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
Period of Record Statistics
MEAN 0.00 0.00 0.00 1.17 19.13 72.96 150.65 109.81 33.07 2.29 0.00 0.00 377.42
S.D. 0.00 0.00 0.00 3.57 19.07 45.90 63.21 50.72 26.50 4.85 0.00 0.00 131.07
SKEW 0.00 0.00 0.00 5.00 0.94 1.10 0.23 0.70 0.58 2.62 0.00 0.00 0.48
MAX 0.00 0.00 0.00 27.00 71.50 270.50 320.69 308.97 99.00 25.00 0.00 0.00 750.80
MIN 0.00 0.00 0.00 0.00 0.00 2.07 20.00 9.00 0.00 0.00 0.00 0.00 153.00
NO YRS 86 84 87 87 88 89 86 89 89 88 87 87 70