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
1936 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
1937 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
1938 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
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 149.50 1.00 0.00 0.00 150.50
1940 0.00 0.00 0.00 0.00 22.00 201.50 351.00 211.50 107.50 4.00 0.00 0.00 897.50
1941 0.00 0.00 0.00 22.00 100.00 214.00 330.00 293.50 126.50 0.00 0.00 0.00 1086.00
1942 0.00 0.00 0.00 28.50 48.50 161.50 281.50 247.50 89.50 4.00 0.00 0.00 n 861.00
1943 0.00 f 0.00 0.50 0.00 35.50 270.00 352.00 272.50 39.50 2.50 0.00 0.00 972.50
1944 0.00 z 0.00 0.00 0.00 109.02 a 252.50 240.00 275.50 76.00 0.55 c 0.00 i 0.00 c 953.57
1945 0.00 a 0.00 0.00 a 3.50 9.50 83.50 227.69 b 235.00 83.50 0.00 0.00 0.00 e 642.69
1946 0.00 0.00 0.00 4.00 7.50 177.00 274.00 149.50 44.48 a 9.00 0.00 a 0.00 665.48
1947 0.00 0.00 b 0.00 a 0.00 3.00 102.86 b 251.00 435.50 182.50 43.00 0.00 0.00 1017.86
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 116.50 318.50 277.00 152.50 0.00 0.00 0.00 864.50
1949 0.00 0.00 0.00 0.00 62.50 239.00 369.00 282.50 17.50 14.00 0.00 0.00 984.50
1950 0.00 0.00 0.00 0.00 16.00 129.50 153.00 121.00 32.50 19.00 0.00 0.00 471.00
1951 0.00 0.00 0.00 a 0.00 55.00 55.50 218.55 a 116.50 11.00 4.50 0.00 0.00 461.05
1952 0.00 0.00 0.00 12.00 26.00 186.00 293.50 154.00 76.50 0.00 0.00 0.00 748.00
1953 0.00 0.00 0.00 0.00 43.50 203.50 248.00 227.50 48.00 15.50 0.00 0.00 786.00
1954 0.00 0.00 0.00 3.00 14.50 260.50 302.00 180.00 59.50 0.00 0.00 0.00 819.50
1955 0.00 0.00 0.00 0.00 z 53.50 112.00 447.50 352.00 93.50 6.50 0.00 0.00 1065.00
1956 0.00 0.00 0.00 0.00 56.00 250.50 182.50 227.00 22.50 11.50 0.00 0.00 750.00
1957 0.00 0.00 a 0.00 3.00 13.43 a 150.50 367.50 219.50 35.00 0.00 0.00 0.00 788.93
1958 0.00 0.00 0.00 5.00 33.07 a 64.50 204.00 256.50 59.50 16.50 0.00 0.00 639.07
1959 0.00 0.00 0.00 0.00 80.00 181.00 228.00 310.50 98.50 0.00 0.00 0.00 898.00
1960 0.00 0.00 0.00 22.00 5.50 72.50 226.50 252.50 126.00 4.00 0.00 0.00 709.00
1961 0.00 0.00 0.00 0.00 26.00 166.00 242.00 262.50 102.00 6.00 0.00 0.00 804.50
1962 0.00 0.00 0.00 17.00 124.50 153.50 173.00 192.50 38.50 22.50 0.00 0.00 721.50
1963 0.00 0.00 0.00 1.00 24.00 230.50 291.50 175.50 62.50 45.50 0.00 0.00 830.50
1964 0.00 0.00 0.00 0.00 100.50 188.50 328.50 179.00 67.00 0.00 0.50 0.00 864.00
1965 0.00 0.00 0.00 0.00 65.00 107.50 215.50 177.00 12.00 7.00 0.00 0.00 584.00
1966 0.00 0.00 0.00 0.00 27.00 171.00 295.00 145.50 46.00 7.50 0.00 0.00 692.00
1967 0.00 0.00 0.00 0.00 31.50 124.00 178.50 104.00 26.00 10.00 0.00 0.00 474.00
1968 0.00 0.00 0.00 2.50 6.00 124.00 208.50 228.00 24.50 22.50 0.00 0.00 616.00
1969 0.00 0.00 0.00 0.00 50.50 30.00 217.50 203.00 53.50 3.00 0.00 0.00 557.50
1970 0.00 0.00 0.00 18.00 56.50 169.00 273.00 194.00 69.00 13.50 0.00 0.00 793.00
1971 0.00 0.00 0.00 0.00 6.50 256.50 142.00 139.00 111.50 28.00 0.00 0.00 683.50
1972 0.00 0.00 0.00 0.00 73.50 86.50 168.50 187.50 33.50 0.00 0.00 0.00 549.50
1973 0.00 0.00 0.00 0.50 0.00 157.00 262.00 247.00 54.50 16.00 0.00 0.00 737.00
1974 0.00 0.00 0.00 9.50 14.00 71.50 323.50 144.50 21.50 0.00 0.00 0.00 584.50
1975 0.00 0.00 0.00 0.00 70.50 156.00 277.50 224.00 29.00 16.00 0.00 0.00 773.00
1976 0.00 0.00 0.00 7.50 9.00 155.00 251.00 164.00 40.50 1.50 0.00 0.00 628.50
1977 0.00 0.00 0.00 17.00 123.00 104.00 312.50 108.50 27.00 0.00 0.00 0.00 692.00
1978 0.00 0.00 0.00 0.00 61.00 126.50 200.50 195.50 132.50 1.00 0.00 0.00 717.00
1979 0.00 0.00 0.00 0.00 35.00 116.00 212.50 165.50 78.50 4.00 0.00 0.00 611.50
1980 0.00 0.00 0.00 19.00 62.00 142.50 310.00 208.00 66.43 b 0.00 0.00 0.00 807.93
1981 0.00 0.00 0.00 0.00 13.00 123.00 237.00 186.50 29.48 a 0.00 0.00 0.00 588.98
1982 0.00 0.00 0.00 0.00 38.00 39.50 243.00 203.00 59.50 3.00 0.00 0.00 a 586.00
1983 0.00 0.00 0.00 0.00 0.00 162.50 377.50 369.00 103.50 10.00 0.00 0.00 1022.50
1984 0.00 0.00 0.00 0.50 12.00 171.00 197.50 269.00 62.50 0.00 0.00 0.00 712.50
1985 0.00 0.00 0.00 45.50 61.50 117.00 274.50 151.50 135.00 0.00 0.00 0.00 785.00
1986 0.00 0.00 1.00 11.50 35.00 163.00 320.50 113.50 55.00 0.00 0.00 0.00 699.50
1987 0.00 0.00 0.00 13.45 a 96.50 256.00 356.50 193.00 38.00 0.00 0.00 0.00 953.45
1988 0.00 0.00 0.00 0.00 76.00 241.00 337.50 355.50 63.50 2.00 0.00 0.00 1075.50
1989 0.00 0.00 0.00 0.00 25.50 124.00 317.00 200.00 35.50 2.00 0.00 0.00 704.00
1990 0.00 0.00 0.00 29.50 8.00 167.00 244.00 193.50 121.50 2.50 0.00 0.00 766.00
1991 0.00 0.00 0.00 15.50 126.00 246.00 248.00 218.50 88.00 1.00 0.00 0.00 943.00
1992 0.00 a 0.00 0.00 0.00 47.00 76.00 118.00 103.00 44.50 4.00 0.00 0.00 392.50
1993 0.00 0.00 0.00 0.00 22.50 j 99.00 201.50 253.00 20.50 2.00 0.00 0.00 576.00
1994 0.00 0.00 0.00 7.00 34.00 205.00 165.50 117.50 89.00 2.50 0.00 0.00 620.50
1995 0.00 0.00 0.00 0.00 7.50 228.50 290.50 363.00 60.50 1.00 0.00 0.00 951.00
1996 0.00 0.00 0.00 0.00 35.00 147.50 165.00 180.00 70.50 1.50 0.00 0.00 599.50
1997 0.00 0.00 0.00 0.00 0.00 146.50 229.00 109.00 40.00 43.50 0.00 0.00 568.00
1998 0.00 0.00 0.00 0.50 81.50 147.00 262.50 231.00 133.00 2.50 0.00 0.00 858.00
1999 0.00 0.00 0.00 0.00 38.00 162.50 376.00 166.50 58.00 0.00 0.00 0.00 801.00
2000 0.00 0.00 1.00 0.00 47.50 109.00 225.00 0.00 z 88.00 6.00 2.00 0.00 478.50
2001 0.00 0.00 0.00 8.50 39.00 169.00 301.50 257.50 30.50 0.00 0.00 0.00 806.00
2002 0.00 0.00 0.00 26.00 39.00 203.00 349.00 216.50 103.50 0.00 0.00 0.00 937.00
2003 0.00 0.00 0.00 17.00 7.50 108.00 227.50 288.50 88.50 6.50 0.00 0.00 743.50
2004 0.00 0.00 0.00 10.00 22.50 83.50 169.00 106.50 106.00 3.50 0.00 0.00 501.00
2005 0.00 0.00 0.00 3.50 6.50 278.00 317.00 222.50 138.00 42.00 0.00 0.00 1007.50
2006 0.00 0.00 0.00 0.00 90.00 172.50 402.50 225.00 41.00 13.00 0.00 0.00 944.00
2007 0.00 0.00 4.50 13.50 70.50 197.50 276.50 251.50 122.50 38.50 0.00 0.00 975.00
2008 0.00 0.00 0.00 1.50 10.00 144.00 272.50 191.00 59.00 10.00 0.50 0.00 a 688.50
2009 0.00 0.00 0.00 7.00 24.00 155.00 112.50 158.50 57.50 0.00 0.00 0.00 514.50
2010 0.00 0.00 0.00 16.00 86.00 162.50 341.50 362.50 44.50 4.50 0.00 0.00 1017.50
2011 0.00 0.00 0.00 3.50 63.55 a 201.96 b 408.50 253.68 a 64.14 a 20.00 0.00 0.00 1015.34
2012 0.00 0.00 22.00 1.50 103.00 237.50 458.50 227.50 77.50 0.00 i 0.00 z 0.00 z 1127.50
Period of Record Statistics
MEAN 0.00 0.00 0.40 6.01 43.71 158.40 268.10 214.98 69.67 7.96 0.04 0.00 751.73
S.D. 0.00 0.00 2.64 9.30 33.85 58.86 75.15 70.82 38.52 11.51 0.25 0.00 168.47
SKEW 0.00 0.00 7.82 1.88 0.72 0.08 0.24 0.66 0.69 1.96 7.14 0.00 0.11
MAX 0.00 0.00 22.00 45.50 126.00 278.00 458.50 435.50 182.50 45.50 2.00 0.00 1086.00
MIN 0.00 0.00 0.00 0.00 0.00 30.00 112.50 103.00 11.00 0.00 0.00 0.00 392.50
NO YRS 70 72 72 71 71 73 73 72 74 73 72 72 65