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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 42.50 167.00 119.00 63.00 0.00 a 0.00 0.00 391.50
1949 0.00 0.00 0.00 4.50 i 30.00 135.00 a 195.00 129.74 d 7.50 1.00 0.00 0.00 498.24
1950 0.00 0.00 0.00 0.00 5.50 90.50 70.50 38.50 2.59 a 0.50 0.00 0.00 208.09
1951 0.00 b 0.00 b 0.00 2.50 25.00 10.50 112.00 41.50 14.00 2.50 0.00 0.00 208.00
1952 0.00 b 0.00 0.00 0.54 b 10.50 94.00 180.00 67.00 41.00 0.00 0.00 0.00 393.04
1953 0.00 0.00 0.00 0.00 a 10.16 b 72.00 139.50 132.00 43.50 4.50 0.00 0.00 401.66
1954 0.00 0.00 a 0.00 0.00 0.50 101.00 132.50 45.00 4.50 0.00 0.00 0.00 a 283.50
1955 0.00 a 0.00 0.00 0.00 23.50 49.14 a 300.81 d 247.50 28.00 2.50 0.00 0.00 651.45
1956 0.00 0.00 0.00 0.00 d 6.50 106.11 c 56.50 87.00 4.50 0.00 0.00 0.00 a 260.61
1957 0.00 c 0.00 0.00 0.00 10.85 a 78.50 166.88 a 86.59 b 21.21 a 0.00 0.00 0.00 364.03
1958 0.00 a 0.00 0.00 0.00 1.00 21.50 91.00 119.00 14.50 0.00 b 0.00 0.00 a 247.00
1959 0.00 0.00 0.00 0.00 31.55 c 97.00 121.50 221.13 a 61.00 0.00 0.00 a 0.00 d 532.19
1960 0.00 0.00 0.00 0.00 0.00 12.00 71.00 89.50 55.50 0.00 b 0.00 0.00 228.00
1961 0.00 0.00 0.00 0.00 3.50 54.50 85.00 96.50 52.50 0.00 0.00 0.00 292.00
1962 0.00 0.00 0.00 1.00 48.00 32.50 63.00 55.00 0.00 0.00 0.00 0.00 199.50
1963 0.00 0.00 0.00 0.00 3.50 106.00 188.00 92.00 8.50 10.50 0.00 0.00 408.50
1964 0.00 0.00 0.00 0.00 47.00 86.50 191.00 67.00 20.00 0.00 0.00 0.00 411.50
1965 0.00 0.00 a 0.00 0.00 17.50 52.00 86.00 100.00 7.50 3.50 0.00 0.00 266.50
1966 0.00 0.00 0.00 0.00 7.50 115.50 225.00 117.50 24.50 0.00 0.00 a 0.00 490.00
1967 0.00 0.00 0.00 0.00 4.50 41.50 105.00 60.50 8.28 a 0.00 0.00 0.00 219.78
1968 0.00 0.00 0.00 0.00 0.00 91.50 130.00 126.50 9.00 8.50 0.00 0.00 365.50
1969 0.00 0.00 0.00 0.00 25.00 16.50 153.50 207.50 39.00 0.00 0.00 0.00 441.50
1970 0.00 0.00 0.00 5.50 23.50 154.00 211.00 148.00 35.17 a 5.50 0.00 0.00 582.67
1971 0.00 0.00 0.00 0.00 1.50 162.50 68.50 79.50 56.00 14.00 0.00 0.00 a 382.00
1972 0.00 0.00 c 0.00 a 0.00 38.50 39.00 131.50 126.50 9.50 0.00 0.00 0.00 345.00
1973 0.00 0.00 0.00 0.00 0.00 91.00 192.50 178.00 60.00 6.00 0.00 0.00 527.50
1974 0.00 0.00 0.00 5.50 6.00 32.00 177.00 98.50 0.50 0.00 d 0.00 0.00 319.50
1975 0.00 0.00 0.00 z 0.00 55.50 81.50 240.00 97.00 1.00 0.00 0.00 0.00 475.00
1976 0.00 0.00 0.00 3.00 0.00 82.00 4.50 z 103.00 24.50 1.50 0.00 0.00 a 214.00
1977 0.00 0.00 0.00 1.07 b 77.50 46.00 209.50 42.00 5.50 0.00 0.00 0.00 381.57
1978 0.00 0.00 0.00 0.00 a 35.00 50.00 75.95 a 90.00 46.00 0.00 0.00 b 0.00 a 296.95
1979 0.00 0.00 0.00 d 0.00 a 6.50 35.17 a 122.97 a 53.00 0.00 z 0.00 0.00 0.00 217.64
1980 0.00 0.00 0.00 0.00 18.00 53.50 164.82 a 117.50 6.00 0.00 0.00 0.00 b 359.82
1981 0.00 0.00 a 0.00 z 0.00 c 0.00 z 0.00 z 0.00 z 106.95 a 10.86 a 0.00 0.00 0.00 117.81
1982 0.00 0.00 0.00 0.00 18.00 10.00 145.50 64.50 20.50 0.00 0.00 0.00 258.50
1983 0.00 0.00 0.00 0.00 0.00 75.50 240.50 183.50 52.50 2.50 0.00 0.00 554.50
1984 0.00 0.00 0.00 0.00 0.50 34.00 70.00 99.50 1.50 0.00 0.00 0.00 205.50
1985 0.00 0.00 0.00 10.00 8.50 11.00 63.00 27.50 41.00 m 0.00 z 0.00 z 0.00 z 120.00
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.50 77.00 16.50 5.00 0.00 0.00 b 0.00 121.00
1987 0.00 0.00 0.00 2.00 32.00 0.00 z 165.85 a 0.00 z 0.00 z 0.00 0.00 z 0.00 199.85
1988 0.00 a 0.00 0.00 0.00 z 24.00 141.50 159.00 156.00 6.00 0.00 0.00 z 0.00 z 486.50
1989 0.00 0.00 0.00 0.00 2.00 30.00 126.00 63.50 h 0.00 z 0.00 z 0.00 0.00 158.00
1990 0.00 0.00 0.00 24.00 0.00 43.50 72.00 19.00 n 21.00 0.00 0.00 0.00 160.50
1991 0.00 z 0.00 a 0.00 0.00 z 67.37 e 82.50 91.00 64.50 n 20.00 0.00 0.00 0.00 260.87
1992 0.00 0.00 z 0.00 0.00 10.50 24.50 21.50 13.00 s 1.00 0.00 0.00 0.00 57.50
1993 0.00 0.00 0.00 0.00 9.00 20.50 79.50 23.50 r 0.00 0.00 0.00 0.00 a 109.00
1994 0.00 0.00 0.00 0.00 13.00 81.00 64.50 39.00 19.50 0.00 q 0.00 0.00 217.00
1995 0.00 0.00 0.00 0.00 0.00 145.00 94.50 128.00 9.00 q 0.00 t 0.00 0.00 367.50
1996 0.00 0.00 0.00 0.00 8.50 44.00 37.00 55.50 22.00 t 0.00 i 0.00 0.00 145.00
1997 0.00 0.00 0.00 0.00 0.00 i 77.00 93.50 35.50 3.00 q 0.00 r 0.00 0.00 206.00
1998 0.00 0.00 0.00 0.00 22.50 71.00 91.00 102.00 6.50 r 0.00 s 0.00 0.00 286.50
1999 0.00 0.00 0.00 0.00 12.00 g 96.00 171.00 33.21 c 23.50 h 0.00 w 0.00 e 0.00 300.21
2000 0.00 0.00 0.00 0.00 23.50 g 31.50 f 84.50 f 65.00 15.50 i 0.00 w 0.00 g 0.00 65.00
2001 0.00 0.00 0.00 0.00 d 11.76 b 83.50 j 137.95 a 175.87 e 9.00 f 0.00 n 0.00 i 0.00 325.57
2002 0.00 0.00 0.00 13.00 3.00 78.50 l 232.50 82.00 12.00 l 1.50 0.00 0.00 332.00
2003 0.00 0.00 0.00 3.00 1.00 i 35.50 g 113.00 93.50 g 12.50 f 0.00 n 0.00 f 0.00 116.00
2004 0.00 0.00 0.00 i 0.00 h 0.00 j 34.50 84.50 42.50 i 26.00 f 0.00 h 0.00 g 0.00 f 119.00
2005 0.00 0.00 0.00 g 0.00 f 0.00 h 140.00 182.50 127.50 f 53.00 22.50 k 0.00 e 0.00 375.50
2006 0.00 0.00 0.00 b 0.00 c 34.50 56.00 234.50 75.00 7.50 0.00 i 0.00 0.00 407.50
2007 0.00 0.00 0.00 b 2.00 34.50 71.90 a 151.42 e 148.50 45.00 f 14.00 g 0.00 0.00 e 408.32
2008 0.00 a 0.00 0.00 z 0.00 h 0.00 h 45.50 i 102.50 94.50 25.50 g 0.00 h 0.00 0.00 197.00
2009 0.00 i 0.00 t 0.00 b 0.00 10.50 60.00 37.00 63.00 6.00 0.00 0.00 0.00 b 176.50
2010 0.00 c 0.00 0.00 g 0.00 45.50 55.00 167.00 190.50 17.00 0.00 0.00 0.00 a 475.00
2011 0.00 0.00 c 0.00 h 0.00 p 0.00 z 5.00 z 138.50 p 132.27 a 24.83 a 0.00 a 0.00 e 0.00 h 157.09
2012 0.00 z 0.00 z 0.00 n 0.00 x 30.48 a 111.00 225.27 a 92.50 19.62 d 0.00 h 0.00 z 0.00 z 478.87
Period of Record Statistics
MEAN 0.00 0.00 0.00 1.33 17.77 67.91 133.69 100.82 21.63 1.34 0.00 0.00 357.61
S.D. 0.00 0.00 0.00 3.95 18.34 39.57 61.56 51.05 19.54 2.97 0.00 0.00 122.90
SKEW 0.00 0.00 0.00 4.23 1.27 0.53 0.40 0.76 0.81 2.70 0.00 0.00 0.62
MAX 0.00 0.00 0.00 24.00 77.50 162.50 300.81 247.50 63.00 14.00 0.00 0.00 651.45
MIN 0.00 0.00 0.00 0.00 0.00 10.00 21.50 16.50 0.00 0.00 0.00 0.00 199.50
NO YRS 60 60 55 55 54 57 61 56 49 48 57 60 31