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
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 12.50 j 78.05 c 116.85 e 8.00 0.00 0.00 0.00 a 202.90
1945 0.00 0.00 0.00 0.00 0.00 2.50 46.50 75.00 32.00 0.00 0.00 0.00 156.00
1946 0.00 0.00 0.00 0.00 0.00 7.50 75.00 64.00 4.50 0.00 0.00 0.00 151.00
1947 0.00 0.00 0.00 0.00 0.00 15.00 73.00 148.00 48.50 0.00 0.00 0.00 284.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.59 a 81.00 104.00 64.50 0.00 0.00 0.00 267.09
1949 0.00 0.00 0.00 0.00 0.00 33.50 87.50 109.00 1.50 0.00 0.00 0.00 231.50
1950 0.00 0.00 0.00 0.00 0.00 8.50 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1951 0.00 z 0.00 z 0.00 z 0.00 r 0.00 3.00 78.00 21.50 0.00 0.00 0.00 0.00 102.50
1952 0.00 0.00 0.00 0.50 0.00 e 9.50 69.50 38.50 18.50 0.00 a 0.00 0.00 136.50
1953 0.00 0.00 0.00 0.00 0.00 2.50 24.50 94.50 30.00 6.50 0.00 0.00 158.00
1954 0.00 0.00 0.00 0.00 0.00 17.50 67.50 50.50 4.50 0.00 0.00 0.00 140.00
1955 0.00 0.00 0.00 0.00 0.00 14.50 180.50 153.00 22.00 0.00 0.00 a 0.00 370.00
1956 0.00 0.00 0.00 0.00 0.00 31.00 17.00 23.00 3.00 0.00 0.00 0.00 74.00
1957 0.00 0.00 0.00 0.00 0.00 1.00 68.50 73.00 13.00 0.00 0.00 0.00 155.50
1958 0.00 0.00 0.00 0.00 3.00 16.50 41.00 98.00 15.50 0.00 0.00 0.00 174.00
1959 0.00 0.00 0.00 0.00 0.00 34.50 127.00 119.50 25.50 0.00 0.00 0.00 306.50
1960 0.00 0.00 0.00 0.00 0.00 8.50 98.50 86.50 46.00 0.00 0.00 0.00 239.50
1961 0.00 0.00 0.00 0.00 0.00 42.00 73.00 133.50 43.50 0.00 0.00 0.00 292.00
1962 0.00 0.00 0.00 0.00 0.00 14.00 16.50 46.50 6.00 4.50 0.00 0.00 87.50
1963 0.00 0.00 0.00 0.00 0.00 38.50 140.00 61.00 8.00 3.50 0.00 0.00 251.00
1964 0.00 0.00 0.00 0.00 7.00 34.00 115.50 74.00 10.50 0.00 0.00 0.00 241.00
1965 0.00 0.00 0.00 0.00 0.00 13.00 46.00 49.00 1.50 1.50 0.00 0.00 111.00
1966 0.00 0.00 0.00 0.00 0.00 47.50 142.00 56.00 9.00 0.00 0.00 0.00 254.50
1967 0.00 0.00 0.00 0.00 0.00 5.50 44.50 g 66.50 4.00 0.00 0.00 0.00 76.00
1968 0.00 0.00 0.00 0.00 0.00 0.00 a 66.00 46.50 2.50 1.00 0.00 0.00 116.00
1969 0.00 0.00 0.00 0.00 0.00 0.00 41.00 109.00 18.50 0.00 0.00 0.00 168.50
1970 0.00 0.00 0.00 0.00 0.00 26.00 127.00 119.87 a 44.50 0.00 0.00 0.00 317.37
1971 0.00 0.00 0.00 0.00 0.00 a 6.00 25.83 a 41.50 30.50 3.00 0.00 0.00 106.83
1972 0.00 0.00 0.00 0.00 0.00 3.00 34.00 51.00 0.00 0.00 0.00 0.00 j 88.00
1973 0.00 z 0.00 z 0.00 0.00 0.00 0.00 78.00 95.00 11.50 0.00 0.00 0.00 184.50
1974 0.00 0.00 0.00 0.00 a 0.00 7.00 82.50 28.00 0.00 0.00 h 0.00 c 0.00 117.50
1975 0.00 0.00 0.00 b 0.00 0.00 c 13.50 113.50 52.50 3.00 0.00 0.00 0.00 f 182.50
1976 0.00 0.00 0.00 e 0.00 0.00 19.00 54.50 83.50 16.50 0.00 0.00 0.00 173.50
1977 0.00 0.00 g 0.00 0.00 c 0.57 d 4.50 49.50 8.00 0.00 0.00 0.00 0.00 62.57
1978 0.00 0.00 0.00 0.00 0.00 7.00 36.68 a 37.72 a 35.50 0.00 0.00 0.00 f 116.90
1979 0.00 0.00 0.00 0.00 0.00 9.00 e 47.50 22.00 15.00 0.00 0.00 0.00 93.50
1980 0.00 0.00 h 0.00 0.00 12.50 24.50 87.50 55.50 0.00 0.00 0.00 0.00 180.00
1981 0.00 0.00 i 0.00 0.00 0.00 2.50 70.00 52.70 a 1.50 0.00 0.00 j 0.00 126.70
1982 0.00 0.00 a 0.00 0.00 o 0.00 0.00 42.50 20.50 11.50 0.00 k 0.00 0.00 z 74.50
1983 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 132.00 35.50 0.00 g 0.00 d 0.00 167.50
1984 0.00 h 0.00 j 0.00 0.00 f 0.00 1.00 25.00 r 28.50 z 2.00 0.00 a 0.00 a 0.00 h 3.00
1985 0.00 0.00 o 0.00 o 0.00 5.50 h 0.00 c 0.00 z 25.50 20.69 a 0.00 g 0.00 z 0.00 k 46.19
1986 0.00 c 0.00 0.00 n 0.00 e 10.16 b 12.50 g 108.50 52.50 0.00 0.00 0.00 a 0.00 y 171.16
1987 0.00 0.00 0.00 a 0.00 a 8.50 75.50 159.50 72.52 c 16.00 0.00 0.00 0.00 j 332.02
1988 0.00 e 0.00 a 0.00 l 0.00 f 19.50 114.83 a 239.50 128.50 1.03 a 0.00 0.00 0.00 503.36
1989 0.00 a 0.00 0.00 z 0.00 k 0.00 26.00 153.50 97.00 14.50 0.00 0.00 m 0.00 291.00
1990 0.00 0.00 0.00 5.50 0.00 11.50 99.50 98.00 33.00 0.00 z 0.00 f 0.00 j 247.50
1991 0.00 0.00 b 0.00 0.00 4.50 r 53.00 71.00 i 127.00 12.00 0.00 0.00 0.00 192.00
1992 0.00 0.00 0.00 0.00 20.00 15.00 7.50 43.00 2.50 i 0.00 0.00 0.00 85.50
1993 0.00 0.00 0.00 0.00 1.00 10.50 46.50 108.00 0.00 0.00 0.00 0.00 166.00
1994 0.00 0.00 0.00 0.00 2.50 38.00 56.50 47.00 19.50 0.00 0.00 0.00 163.50
1995 0.00 0.00 0.00 0.00 5.50 84.50 88.00 123.00 23.50 4.00 0.00 0.00 328.50
1996 0.00 0.00 0.00 0.00 0.00 45.50 35.00 92.50 40.00 0.00 0.00 0.00 213.00
1997 0.00 0.00 0.00 0.00 0.00 47.00 86.00 53.00 14.00 5.00 0.00 0.00 205.00
1998 0.00 0.00 0.00 0.00 17.50 33.00 109.50 156.50 44.50 0.00 0.00 0.00 361.00
1999 0.00 0.00 0.00 0.00 19.00 53.00 175.50 73.00 34.50 0.00 0.00 0.00 a 355.00
2000 0.00 0.00 0.00 0.00 6.50 7.00 75.00 76.50 12.00 0.00 0.00 0.00 i 177.00
2001 0.00 0.00 0.00 e 5.00 3.00 64.00 116.50 142.50 25.50 0.00 0.00 0.00 356.50
2002 0.00 0.00 0.00 0.00 3.00 58.50 215.50 72.50 55.00 0.00 0.00 0.00 404.50
2003 0.00 0.00 0.00 0.00 0.50 27.50 108.50 132.00 43.00 7.50 0.00 0.00 319.00
2004 0.00 0.00 0.00 0.00 0.00 11.00 62.50 20.00 42.00 0.00 0.00 0.00 135.50
2005 0.00 0.00 0.00 0.00 0.00 55.00 121.50 94.00 41.00 4.00 0.00 0.00 315.50
2006 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 89.00 5.00 0.00 z 0.00 0.00 94.00
2007 0.00 0.00 0.00 0.00 14.50 54.00 128.00 87.00 38.50 0.00 0.00 0.00 322.00
2008 0.00 0.00 0.00 0.00 0.00 8.00 56.50 63.50 30.00 0.00 0.00 0.00 158.00
2009 0.00 0.00 0.00 0.00 4.00 25.00 0.00 z 58.50 24.50 0.00 0.00 0.00 112.00
2010 0.00 0.00 0.00 0.00 7.00 18.50 159.00 155.00 5.50 0.00 0.00 0.00 345.00
2011 0.00 0.00 0.00 0.00 0.00 3.50 164.50 99.00 22.50 7.50 0.00 0.00 297.00
2012 0.00 0.00 0.00 0.00 14.50 48.50 202.50 88.00 15.00 0.00 h 0.00 z 0.00 z 368.50
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.18 2.85 23.75 89.79 78.97 19.11 0.79 0.00 0.00 225.24
S.D. 0.00 0.00 0.00 0.95 5.55 23.65 51.38 38.18 16.40 1.91 0.00 0.00 93.42
SKEW 0.00 0.00 0.00 5.18 1.98 1.44 0.83 0.24 0.67 2.39 0.00 0.00 0.18
MAX 0.00 0.00 0.00 5.50 20.00 114.83 239.50 156.50 64.50 7.50 0.00 0.00 404.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 7.50 8.00 0.00 0.00 0.00 0.00 74.00
NO YRS 63 59 60 60 63 64 61 67 67 61 63 57 41