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 a 0.00 0.00 a 0.00 94.50 242.00 457.77 a 433.50 159.50 2.50 0.00 0.00 1389.77
1938 0.00 0.00 0.00 8.50 54.00 169.50 342.00 322.50 57.00 9.50 0.50 0.00 963.50
1939 0.00 a 0.00 0.00 16.00 181.50 331.50 404.00 292.90 b 168.50 3.00 0.00 0.00 1397.40
1940 0.00 0.00 0.00 0.00 22.73 a 199.00 370.00 211.50 130.00 6.00 0.00 0.00 939.23
1941 0.00 0.00 0.00 9.00 l 91.00 184.50 299.50 248.00 116.00 0.00 0.00 0.00 939.00
1942 0.00 0.00 z 0.00 19.00 o 41.50 148.00 250.50 224.50 63.50 0.00 0.00 0.00 728.00
1943 0.00 a 0.00 b 0.50 0.00 n 29.97 a 262.50 320.00 255.00 31.00 2.00 0.00 0.00 900.97
1944 0.00 0.00 0.00 b 0.00 o 114.00 220.50 193.00 270.50 59.50 0.50 0.00 z 0.00 z 858.00
1945 0.00 z 0.00 z 0.00 z 0.00 n 7.00 77.00 213.00 204.00 81.00 0.00 0.00 z 0.00 z 582.00
1946 0.00 z 0.00 z 0.00 z 7.50 n 9.00 164.00 243.00 145.50 31.50 3.00 0.00 z 0.00 z 596.00
1947 0.00 z 0.00 z 0.00 z 0.00 q 1.00 71.90 a 231.98 a 376.65 a 134.00 32.55 a 0.00 z 0.00 z 848.08
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 61.50 o 311.50 258.50 144.50 0.00 0.00 z 0.00 z 714.50
1949 0.00 z 0.00 z 0.00 z 0.00 62.00 230.00 343.50 246.50 14.50 2.50 0.00 b 0.00 z 899.00
1950 0.00 0.00 0.00 0.00 14.50 137.50 136.00 102.00 12.00 13.50 0.00 0.00 a 415.50
1951 0.00 a 0.00 0.00 0.00 38.00 49.00 201.50 93.50 11.00 2.00 0.00 0.00 395.00
1952 0.00 0.00 0.00 a 9.50 27.50 182.00 275.50 133.50 73.50 0.00 p 0.00 z 0.00 a 701.50
1953 0.00 a 0.00 0.00 0.00 37.20 a 201.00 222.50 201.50 45.00 18.50 0.00 0.00 725.70
1954 0.00 0.00 0.00 0.00 z 0.00 z 243.00 264.50 152.00 35.00 0.00 0.00 0.00 z 694.50
1955 0.00 a 0.00 a 0.00 0.00 35.50 74.00 367.50 305.00 68.50 2.00 0.00 0.00 852.50
1956 0.00 0.00 0.00 0.00 35.50 h 237.50 155.00 206.00 19.00 8.50 0.00 0.00 626.00
1957 0.00 0.00 0.00 a 2.50 17.50 129.50 336.19 b 161.00 26.00 0.00 0.00 0.00 672.69
1958 0.00 0.00 a 0.00 5.00 23.77 a 49.50 165.69 b 218.50 42.50 6.50 0.00 0.00 i 511.46
1959 0.00 f 0.00 0.00 0.00 71.00 153.00 214.00 294.00 84.50 0.00 0.00 0.00 816.50
1960 0.00 0.00 0.00 25.00 14.00 49.66 a 220.50 227.00 125.00 4.00 0.00 0.00 665.16
1961 0.00 0.00 0.00 0.00 28.00 161.50 207.50 236.50 85.50 0.00 0.00 0.00 719.00
1962 0.00 0.00 0.00 15.00 111.00 123.50 139.00 140.00 20.00 16.00 0.00 0.00 564.50
1963 0.00 0.00 0.00 1.00 22.50 212.50 270.00 153.50 47.00 26.00 0.00 0.00 732.50
1964 0.00 0.00 0.00 0.00 93.00 178.00 348.00 184.50 59.50 0.00 0.00 0.00 a 863.00
1965 0.00 0.00 0.00 0.00 69.00 92.00 218.00 172.00 15.00 6.00 0.00 0.00 572.00
1966 0.00 0.00 0.00 0.00 30.00 172.50 281.14 b 147.00 43.00 7.50 0.00 0.00 681.14
1967 0.00 0.00 0.00 0.00 18.00 124.50 174.50 116.50 30.50 7.50 0.00 0.00 471.50
1968 0.00 0.00 0.00 2.50 8.50 131.50 215.50 218.50 20.00 18.50 0.00 0.00 615.00
1969 0.00 0.00 0.00 0.00 57.00 31.50 221.00 229.50 49.50 6.00 0.00 0.00 594.50
1970 0.00 0.00 0.00 17.00 63.00 185.00 279.50 168.00 68.50 6.50 0.00 0.00 787.50
1971 0.00 0.00 0.00 0.00 2.50 249.00 142.00 144.00 113.50 24.00 0.00 0.00 675.00
1972 0.00 0.00 0.00 0.00 77.50 84.50 187.00 221.00 30.00 0.00 0.00 0.00 600.00
1973 0.00 0.00 0.00 0.50 3.50 164.00 275.00 250.50 59.00 19.00 0.00 0.00 771.50
1974 0.00 0.00 0.00 8.50 12.00 67.00 334.00 149.50 16.50 0.00 0.00 0.00 587.50
1975 0.00 0.00 0.00 0.00 59.50 155.50 318.00 197.00 19.50 15.00 0.00 0.00 764.50
1976 0.00 0.00 0.00 4.50 7.00 155.00 269.50 179.00 45.50 0.50 0.00 0.00 661.00
1977 0.00 0.00 z 0.00 28.50 136.50 144.50 312.00 116.50 25.50 0.00 0.00 0.00 763.50
1978 0.00 0.00 0.00 0.00 48.00 106.50 178.50 174.50 131.50 0.00 0.00 0.00 639.00
1979 0.00 b 0.00 0.00 0.00 19.63 a 99.00 205.50 163.50 61.73 d 0.00 m 0.00 0.00 549.36
1980 0.00 0.00 0.00 16.50 51.00 130.50 273.50 163.50 59.00 0.00 0.00 0.00 694.00
1981 0.00 0.00 0.00 0.50 4.50 102.00 202.50 145.00 27.50 0.00 0.00 0.00 482.00
1982 0.00 0.00 0.00 0.00 35.50 31.00 259.50 187.00 34.00 0.00 0.00 a 0.00 547.00
1983 0.00 0.00 0.00 0.00 0.00 134.50 338.50 295.50 80.50 4.00 0.00 0.00 853.00
1984 0.00 0.00 0.00 0.00 2.50 125.00 140.50 193.00 11.50 0.00 0.00 0.00 472.50
1985 0.00 0.00 0.00 32.50 50.00 97.50 265.50 146.50 134.50 0.00 0.00 0.00 726.50
1986 0.00 0.00 0.00 3.10 a 36.50 155.00 292.00 94.50 41.00 0.00 0.00 0.00 622.10
1987 0.00 0.00 0.00 15.50 91.50 225.00 340.00 174.00 39.50 0.00 0.00 0.00 885.50
1988 0.00 0.00 a 0.00 b 0.00 58.00 223.97 a 331.50 320.50 51.50 0.00 0.00 0.00 985.47
1989 0.00 0.00 0.00 0.00 14.00 117.50 299.00 178.50 31.50 2.50 0.00 0.00 b 643.00
1990 0.00 0.00 0.00 32.00 8.00 159.00 0.00 z 140.50 65.00 0.00 0.00 0.00 404.50
1991 0.00 0.00 0.00 18.00 106.00 233.50 220.50 207.00 61.00 0.00 0.00 0.00 846.00
1992 0.00 0.00 0.00 0.00 42.50 82.50 89.50 90.50 33.00 1.00 0.00 0.00 339.00
1993 0.00 0.00 0.00 0.00 a 24.50 73.50 173.00 203.00 12.50 3.50 0.00 0.00 490.00
1994 0.00 0.00 0.00 12.50 41.50 206.50 155.50 107.50 77.00 1.00 0.00 0.00 601.50
1995 0.00 0.00 0.00 0.00 6.50 211.00 283.00 345.50 58.50 5.00 0.00 0.00 909.50
1996 0.00 0.00 0.00 0.00 31.00 139.50 150.00 160.00 62.50 2.50 0.00 0.00 545.50
1997 0.00 0.00 0.00 0.00 0.00 135.50 209.00 112.00 42.00 33.00 0.00 0.00 531.50
1998 0.00 0.00 0.00 0.00 86.50 131.50 263.00 196.50 120.50 2.50 0.00 0.00 800.50
1999 0.00 a 0.00 0.00 0.00 34.00 177.00 392.00 154.00 47.50 0.00 0.00 0.00 804.50
2000 0.00 0.00 1.50 0.00 38.00 89.50 214.50 214.50 78.00 5.00 0.00 0.00 641.00
2001 0.00 0.00 0.00 6.00 42.00 156.00 283.00 253.00 35.50 0.00 0.00 0.00 775.50
2002 0.00 0.00 0.00 26.00 31.50 199.50 352.50 165.50 105.50 4.00 0.00 0.00 884.50
2003 0.00 0.00 0.00 17.50 6.00 93.00 223.50 285.00 78.00 2.50 0.00 0.00 705.50
2004 0.00 0.00 0.00 12.50 20.00 0.00 z 183.00 96.00 104.50 0.00 0.00 0.00 416.00
2005 0.00 0.00 0.00 1.00 3.50 246.00 298.50 187.00 102.50 29.00 0.00 0.00 867.50
2006 0.00 0.00 0.00 1.50 73.00 127.00 350.00 201.00 26.00 10.50 0.00 0.00 789.00
2007 0.00 0.00 0.00 2.00 69.00 167.00 247.50 227.73 e 111.50 34.00 0.00 0.00 858.73
2008 0.00 0.00 0.00 0.00 5.00 107.50 235.50 158.50 52.00 2.00 2.50 0.00 563.00
2009 0.00 0.00 0.00 5.50 26.00 147.00 97.00 141.00 44.50 0.00 0.00 0.00 461.00
2010 0.00 0.00 0.00 9.00 76.50 135.50 313.50 315.50 23.00 5.50 0.00 0.00 878.50
2011 0.00 a 0.00 0.00 a 1.50 46.00 166.50 383.88 a 225.27 a 54.50 15.00 0.00 a 0.00 892.65
2012 0.00 a 0.00 10.69 b 1.03 a 81.12 a 212.50 431.93 a 206.15 a 67.24 a 0.00 j 0.00 z 0.00 z 1010.67
Period of Record Statistics
MEAN 0.00 0.00 0.18 5.35 42.40 151.11 258.75 200.47 61.14 5.91 0.04 0.00 715.99
S.D. 0.00 0.00 1.28 8.67 36.22 61.16 79.26 69.27 38.86 8.80 0.31 0.00 202.53
SKEW 0.00 0.00 8.00 1.70 1.25 0.22 0.15 0.83 0.89 1.85 7.71 0.00 1.07
MAX 0.00 0.00 10.69 32.50 181.50 331.50 457.77 433.50 168.50 34.00 2.50 0.00 1397.40
MIN 0.00 0.00 0.00 0.00 0.00 31.00 89.50 90.50 11.00 0.00 0.00 0.00 339.00
NO YRS 70 69 71 67 73 74 75 76 76 73 69 67 57