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
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 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
1930 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
1931 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
1932 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
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 148.00 17.50 0.53 b 0.00 0.00 166.03
1935 0.00 0.00 a 0.00 0.00 0.50 25.00 269.50 104.00 2.00 0.00 0.00 0.00 401.00
1936 0.00 a 0.00 0.00 a 0.00 25.00 60.50 314.13 a 72.50 10.86 a 0.00 a 0.00 k 0.00 483.00
1937 0.00 0.00 b 0.00 0.00 8.50 78.50 m 161.20 a 152.00 19.50 0.00 0.00 z 0.00 z 341.20
1938 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 80.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 c 0.00 80.50
1939 0.00 0.00 0.00 f 0.00 g 37.20 a 30.52 a 244.50 193.50 36.21 a 0.00 a 0.00 e 0.00 b 541.92
1940 0.00 b 0.00 b 0.00 a 0.00 a 23.25 a 28.45 a 180.50 163.00 66.43 b 0.00 a 0.00 0.00 a 461.63
1941 0.00 a 0.00 0.00 e 2.50 32.55 a 141.50 254.50 140.50 37.00 0.00 0.00 a 0.00 608.55
1942 0.00 0.00 a 0.00 a 0.00 a 0.00 37.00 112.50 84.50 33.50 0.00 0.00 0.00 267.50
1943 0.00 a 0.00 0.00 0.00 11.50 56.50 247.00 134.50 8.50 2.50 0.00 0.00 a 460.50
1944 0.00 0.00 0.00 0.00 26.41 d 59.50 149.50 94.50 1.50 0.00 0.00 0.00 331.41
1945 0.00 0.00 0.00 0.00 0.00 32.50 111.50 44.50 19.00 0.00 0.00 0.00 a 207.50
1946 0.00 0.00 0.00 0.00 z 35.50 67.00 174.50 100.00 29.50 0.00 0.00 0.00 a 406.50
1947 0.00 0.00 0.00 0.00 0.00 0.00 114.00 107.50 25.50 0.00 0.00 0.00 247.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 117.50 147.00 63.00 0.00 0.00 0.00 327.50
1949 0.00 0.00 0.00 11.00 20.50 85.50 169.98 a 209.50 5.00 1.66 c 0.00 a 0.00 a 503.14
1950 0.00 0.00 a 0.00 0.00 5.17 a 71.90 a 106.50 60.97 a 30.00 c 0.00 a 0.00 0.00 b 274.53
1951 0.00 a 0.00 0.00 e 0.00 m 11.88 a 24.83 a 133.82 a 41.69 b 0.00 a 0.00 b 0.00 c 0.00 z 212.22
1952 0.00 z 0.00 z 0.00 z 31.00 r 20.50 93.10 a 154.48 a 121.00 60.00 0.00 0.00 a 0.00 449.09
1953 0.00 0.00 0.00 c 0.00 10.00 70.86 a 112.50 159.65 a 16.50 1.50 0.00 b 0.00 371.01
1954 0.00 0.00 a 0.00 b 0.00 a 3.00 67.50 174.12 a 64.00 13.97 a 0.00 a 0.00 0.00 a 322.58
1955 0.00 0.00 b 0.00 2.00 35.13 a 63.10 a 236.50 212.00 34.50 0.00 a 0.00 0.00 583.24
1956 0.00 a 0.00 0.00 0.00 a 2.67 b 147.93 a 73.00 90.50 1.50 1.50 0.00 a 0.00 a 317.10
1957 0.00 z 0.00 a 0.00 1.07 b 10.00 4.00 239.50 106.00 11.50 0.00 a 0.00 b 0.00 b 372.07
1958 0.00 0.00 0.00 b 0.00 17.50 16.03 a 92.00 136.00 8.50 0.00 0.00 0.00 270.03
1959 0.00 0.00 a 0.00 0.00 6.50 98.50 175.50 165.00 14.00 0.00 0.00 0.00 459.50
1960 0.00 0.00 0.00 0.00 a 13.50 41.90 a 213.00 192.00 57.50 0.00 0.00 0.00 517.90
1961 0.00 0.00 a 0.00 0.00 23.50 162.60 e 140.50 244.50 15.00 0.00 b 0.00 0.00 586.10
1962 0.00 0.00 0.00 0.00 0.00 92.50 82.00 123.50 2.50 1.55 a 0.00 0.00 302.05
1963 0.00 0.00 0.00 0.00 6.00 152.50 222.00 145.50 35.00 1.00 0.00 0.00 562.00
1964 0.00 0.00 0.00 0.00 31.00 52.00 180.00 52.00 18.50 0.00 0.00 0.00 333.50
1965 0.00 a 0.00 a 0.00 0.00 0.50 33.00 91.00 112.50 0.00 0.00 0.00 0.00 237.00
1966 0.00 0.00 0.00 0.00 6.00 87.50 185.50 93.00 29.00 0.00 0.00 0.00 401.00
1967 0.00 0.00 0.00 0.00 10.00 40.00 134.00 128.00 32.50 0.00 0.00 0.00 344.50
1968 0.00 0.00 0.00 0.00 2.00 47.50 106.50 45.50 19.50 0.00 0.00 0.00 a 221.00
1969 0.00 0.00 0.00 0.00 40.50 3.50 104.50 226.00 42.00 0.00 0.00 0.00 416.50
1970 0.00 0.00 0.00 0.00 10.50 137.00 193.50 120.50 52.50 2.50 0.00 0.00 a 516.50
1971 0.00 0.00 0.00 0.00 1.00 66.00 39.00 130.00 32.50 0.00 0.00 0.00 268.50
1972 0.00 0.00 0.00 0.00 a 63.50 98.00 66.50 166.50 8.00 0.00 0.00 0.00 402.50
1973 0.00 0.00 0.00 a 0.00 5.50 96.50 93.50 166.50 10.00 0.00 0.00 0.00 372.00
1974 0.00 c 0.00 0.00 0.00 1.00 89.00 247.50 48.57 a 0.50 0.00 0.00 0.00 386.57
1975 0.00 0.00 0.00 0.00 2.00 70.50 127.50 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 72.50
1976 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 69.50 n 148.00 62.50 3.50 0.00 0.00 214.00
1977 0.00 0.00 a 0.00 5.00 107.00 22.50 w 108.50 3.50 2.00 0.00 0.00 0.00 226.00
1978 0.00 0.00 a 0.00 0.00 29.50 61.50 102.50 100.50 72.00 0.00 0.00 0.00 366.00
1979 0.00 0.00 0.00 0.00 5.50 42.50 152.50 28.50 19.00 0.00 0.00 0.00 248.00
1980 0.00 0.00 0.00 10.00 102.00 47.50 117.50 22.50 12.50 0.00 0.00 0.00 a 312.00
1981 0.00 0.00 0.00 0.00 5.50 10.00 119.00 108.00 15.00 0.00 0.00 0.00 257.50
1982 0.00 0.00 0.00 0.00 14.00 7.00 83.50 69.50 32.00 0.00 0.00 0.00 206.00
1983 0.00 0.00 0.00 0.00 0.50 61.50 209.00 223.00 50.00 0.00 0.00 0.00 544.00
1984 0.00 0.00 0.00 0.00 15.50 51.00 102.00 178.00 2.50 0.50 0.00 0.00 349.50
1985 0.00 0.00 0.00 5.50 8.50 9.31 a 67.00 24.50 0.00 0.00 0.00 0.00 a 114.81
1986 0.00 b 0.00 0.00 0.00 51.00 51.50 100.50 53.00 0.00 0.00 0.00 0.00 256.00
1987 0.00 0.00 0.00 4.50 30.50 114.50 110.50 58.00 13.00 0.00 0.00 0.00 331.00
1988 0.00 0.00 0.00 0.00 49.00 217.00 178.00 160.00 4.50 0.00 0.00 0.00 608.50
1989 0.00 0.00 0.00 0.00 25.00 37.50 230.50 156.50 16.50 2.50 0.00 0.00 468.50
1990 0.00 0.00 0.00 15.50 7.50 64.50 81.50 115.00 22.00 0.00 0.00 0.00 306.00
1991 0.00 0.00 0.00 0.00 54.50 81.00 88.50 149.50 16.00 0.00 0.00 0.00 389.50
1992 0.00 0.00 0.00 0.00 34.50 27.50 8.00 41.50 3.00 8.00 0.00 0.00 122.50
1993 0.00 0.00 0.00 0.00 20.00 41.00 35.50 55.50 0.00 0.00 0.00 0.00 152.00
1994 0.00 0.00 0.00 0.00 12.50 32.50 41.00 60.00 20.50 0.00 0.00 0.00 166.50
1995 0.00 0.00 0.00 0.00 17.00 172.50 84.00 69.00 10.50 0.00 0.00 a 0.00 353.00
1996 0.00 0.00 0.00 0.00 0.00 95.50 62.50 80.00 24.00 0.00 0.00 0.00 262.00
1997 0.00 0.00 0.00 0.00 0.00 z 87.00 0.00 z 75.50 20.50 0.00 0.00 z 0.00 183.00
1998 0.00 0.00 0.00 0.00 3.50 20.50 88.50 82.50 22.00 0.00 0.00 0.00 217.00
1999 0.00 0.00 0.00 0.00 7.50 21.50 80.50 28.00 6.50 0.00 0.00 0.00 144.00
2000 0.00 0.00 0.00 0.00 0.00 6.50 96.50 60.50 0.50 0.00 0.00 0.00 164.00
2001 0.00 0.00 0.00 0.00 4.50 41.00 92.50 94.50 19.00 0.00 0.00 0.00 251.50
2002 0.00 0.00 0.00 0.00 9.50 71.00 138.50 47.50 21.00 0.00 0.00 0.00 287.50
2003 0.00 0.00 0.00 0.00 7.00 38.00 109.00 172.00 30.00 3.50 0.00 0.00 359.50
2004 0.00 0.00 0.00 0.00 0.00 13.00 83.50 0.50 22.00 0.00 0.00 0.00 119.00
2005 0.00 0.00 0.00 0.00 6.00 50.50 135.50 66.50 28.00 1.00 0.00 0.00 287.50
2006 0.00 0.00 0.00 0.00 18.00 78.50 204.50 72.00 25.50 0.00 0.00 0.00 398.50
2007 0.00 0.00 z 0.00 0.00 6.00 70.50 166.50 48.00 14.50 0.00 0.00 0.00 305.50
2008 0.00 0.00 0.00 0.00 0.00 19.50 64.50 70.00 15.00 0.00 0.00 0.00 169.00
2009 0.00 0.00 0.00 0.00 0.00 65.00 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 65.00
2010 0.00 0.00 0.00 0.00 17.50 25.50 126.50 137.00 0.00 0.00 0.00 0.00 306.50
2011 0.00 0.00 0.00 0.00 0.00 19.50 165.33 a 110.71 c 37.00 12.50 0.00 0.00 345.05
2012 0.00 0.00 0.00 0.00 7.00 65.17 a 212.00 83.50 18.00 0.00 0.00 0.00 385.67
2013 0.00 0.00 0.00 a 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 0.80 16.70 61.49 137.86 106.57 21.02 0.57 0.00 0.00 336.54
S.D. 0.00 0.00 0.00 2.68 20.78 43.17 63.54 56.12 17.69 1.81 0.00 0.00 126.75
SKEW 0.00 0.00 0.00 3.90 2.37 1.18 0.53 0.35 1.03 4.81 0.00 0.00 0.36
MAX 0.00 0.00 0.00 15.50 107.00 217.00 314.13 244.50 72.00 12.50 0.00 0.00 608.55
MIN 0.00 0.00 0.00 0.00 0.00 0.00 8.00 0.50 0.00 0.00 0.00 0.00 114.81
NO YRS 74 74 74 71 74 74 73 76 76 77 75 76 63