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
1893 0.00 0.00 0.00 0.00 0.00 65.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1894 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
1895 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
1896 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
1897 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
1898 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
1899 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
1900 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
1901 0.00 z 0.00 z 0.00 z 4.00 8.00 147.50 294.00 150.00 38.57 b 0.00 y 0.00 o 0.00 642.07
1902 0.00 0.00 0.00 0.00 18.00 23.00 180.50 52.00 10.00 0.00 0.00 0.00 283.50
1903 0.00 0.00 0.00 0.00 19.50 36.50 168.50 30.00 m 31.00 0.50 p 0.00 0.00 255.50
1904 0.00 0.00 0.00 0.00 18.50 37.00 112.50 77.00 25.00 2.50 0.00 0.00 272.50
1905 0.00 0.00 0.00 0.00 0.00 61.50 137.50 194.55 b 35.00 14.00 0.00 0.00 442.55
1906 0.00 a 0.00 0.00 0.00 26.00 58.00 0.00 z 0.00 z 110.00 0.00 0.00 0.00 194.00
1907 0.00 0.00 0.00 0.00 1.00 120.50 158.50 106.50 58.00 0.00 0.00 0.00 444.50
1908 0.00 0.00 0.00 1.00 17.50 104.50 198.00 150.00 159.00 4.50 0.00 0.00 634.50
1909 0.00 0.00 a 0.00 0.00 3.00 107.50 190.00 212.87 a 31.50 0.00 c 0.00 0.00 544.87
1910 0.00 e 0.00 0.00 1.11 c 0.50 246.00 323.29 c 207.46 e 16.50 5.00 0.00 0.00 799.86
1911 0.00 a 0.00 0.00 r 0.00 86.50 237.50 275.00 153.00 50.00 0.00 0.00 0.00 802.00
1912 0.00 0.00 0.00 0.00 24.50 105.50 242.00 87.50 108.00 3.00 f 0.00 0.00 567.50
1913 0.00 0.00 0.00 0.50 25.00 224.00 206.00 239.00 101.50 2.50 0.00 0.00 798.50
1914 0.00 0.00 0.00 b 1.00 55.00 90.52 a 244.00 170.00 46.00 5.50 0.00 a 0.00 612.02
1915 0.00 0.00 0.00 29.00 5.00 20.50 112.12 a 74.92 a 44.00 0.00 0.00 0.00 285.53
1916 0.00 0.00 a 0.00 0.00 5.00 23.00 411.50 234.00 37.00 2.00 0.00 0.00 712.50
1917 0.00 0.00 0.00 0.00 8.00 37.50 231.50 82.50 13.50 0.00 0.00 0.00 373.00
1918 0.00 a 0.00 0.00 0.00 33.50 56.50 148.50 206.00 12.00 7.00 0.00 0.00 463.50
1919 0.00 0.00 c 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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 a 0.00 a 0.00
1927 0.00 0.00 0.00 0.00 3.50 53.00 108.50 36.50 122.50 0.00 0.00 0.00 324.00
1928 0.00 0.00 0.00 0.00 3.50 11.00 163.00 136.00 11.00 12.00 0.00 0.00 336.50
1929 0.00 0.00 0.00 0.50 30.00 48.00 177.50 81.50 53.00 0.00 0.00 0.00 390.50
1930 0.00 a 0.00 0.00 0.00 31.50 91.07 b 230.50 192.50 68.50 10.00 0.00 0.00 624.07
1931 0.00 0.00 0.00 0.50 10.00 170.17 a 317.00 168.00 143.00 3.50 0.00 0.00 812.17
1932 0.00 a 0.00 0.00 a 0.00 6.00 116.00 212.00 167.50 34.00 4.50 0.00 0.00 540.00
1933 0.00 a 0.00 a 0.00 0.00 21.50 253.00 227.50 105.50 107.50 0.00 0.00 0.00 c 715.00
1934 0.00 0.00 0.00 0.00 58.38 a 168.50 215.00 112.50 23.00 0.00 0.00 0.00 577.38
1935 0.00 a 0.00 0.00 0.00 0.00 27.00 297.50 187.50 42.00 0.00 0.00 0.00 554.00
1936 0.00 0.00 0.00 a 0.00 57.50 54.50 352.50 230.95 a 110.69 a 0.00 0.00 a 0.00 806.14
1937 0.00 0.00 0.00 0.00 26.50 112.50 318.00 332.50 107.59 a 0.00 0.00 0.00 897.09
1938 0.00 0.00 0.00 3.50 16.00 107.00 211.50 261.50 23.00 6.00 0.00 0.00 628.50
1939 0.00 0.00 0.00 0.00 54.50 152.50 274.00 207.50 120.00 1.00 0.00 0.00 809.50
1940 0.00 0.00 0.00 0.00 4.00 87.00 267.50 173.50 73.50 2.50 0.00 0.00 608.00
1941 0.00 0.00 0.00 2.00 54.50 168.00 259.50 185.50 77.50 0.00 0.00 0.00 747.00
1942 0.00 a 0.00 0.00 4.00 9.00 80.50 183.50 135.00 59.00 0.00 0.00 0.00 471.00
1943 0.00 0.00 0.00 0.00 15.00 217.50 284.50 197.00 26.50 0.00 0.00 0.00 740.50
1944 0.00 0.00 0.00 0.00 59.50 159.50 200.00 212.50 33.50 0.00 0.00 b 0.00 665.00
1945 0.00 0.00 0.00 0.50 0.00 85.50 146.50 178.00 72.00 0.00 0.00 0.00 482.50
1946 0.00 0.00 0.00 1.50 2.50 119.50 216.00 136.00 51.50 10.50 0.00 0.00 537.50
1947 0.00 0.00 0.00 a 0.00 3.62 a 73.39 b 221.81 b 391.00 150.00 a 42.37 a 0.00 a 0.00 882.19
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 82.50 224.50 201.50 109.50 0.00 0.00 0.00 618.00
1949 0.00 0.00 0.00 0.00 48.00 200.00 261.50 200.00 4.50 6.50 0.00 0.00 720.50
1950 0.00 0.00 0.00 0.00 14.50 103.45 a 131.50 59.50 4.66 a 4.00 0.00 0.00 317.60
1951 0.00 0.00 0.00 0.00 25.50 30.00 160.00 78.00 17.00 3.00 0.00 0.00 313.50
1952 0.00 0.00 0.00 5.50 12.50 122.50 263.00 141.50 74.50 0.00 a 0.00 0.00 619.50
1953 0.00 0.00 0.00 0.00 12.00 143.50 229.50 193.50 60.00 20.00 0.00 0.00 658.50
1954 0.00 0.00 0.00 0.00 4.00 176.00 207.00 112.12 a 32.00 0.00 0.00 0.00 531.12
1955 0.00 0.00 0.00 0.00 25.00 97.50 359.60 a 315.50 62.59 a 0.00 0.00 0.00 860.19
1956 0.00 0.00 0.00 0.00 12.50 168.50 102.82 a 163.78 a 20.50 0.50 0.00 0.00 468.60
1957 0.00 0.00 0.00 0.50 7.50 105.50 244.00 149.00 21.50 0.00 0.00 0.00 528.00
1958 0.00 a 0.00 0.00 0.50 11.00 31.00 144.50 175.00 26.00 0.00 0.00 0.00 388.00
1959 0.00 0.00 0.00 0.00 65.00 152.50 233.50 287.00 85.50 0.00 0.00 0.00 823.50
1960 0.00 0.00 0.00 0.00 5.50 44.50 171.50 178.00 83.50 0.50 0.00 0.00 483.50
1961 0.00 0.00 0.00 0.00 6.20 a 104.50 186.00 162.00 96.50 0.00 0.00 0.00 555.20
1962 0.00 0.00 0.00 2.50 77.50 106.50 113.00 171.00 27.50 10.50 0.00 0.00 508.50
1963 0.00 0.00 0.00 0.00 9.00 183.00 243.50 130.00 29.50 28.00 0.00 0.00 623.00
1964 0.00 0.00 0.00 0.00 53.00 168.00 268.00 120.00 42.00 0.00 0.00 0.00 651.00
1965 0.00 0.00 0.00 0.00 37.00 59.50 146.00 126.00 23.00 1.00 0.00 0.00 392.50
1966 0.00 0.00 0.00 0.00 9.00 164.50 0.00 z 115.50 31.00 1.00 0.00 0.00 321.00
1967 0.00 0.00 0.00 0.00 8.50 106.00 174.00 82.50 52.50 3.50 0.00 0.00 427.00
1968 0.00 0.00 0.00 0.00 1.50 106.50 184.50 195.50 36.50 15.50 0.00 0.00 540.00
1969 0.00 0.00 0.00 0.00 29.50 22.00 175.50 239.00 56.00 3.50 0.00 0.00 525.50
1970 0.00 0.00 0.00 10.00 23.50 128.00 249.00 190.50 58.50 2.50 0.00 0.00 662.00
1971 0.00 0.00 0.00 0.00 3.00 188.50 135.00 97.50 87.00 16.00 0.00 0.00 527.00
1972 0.00 0.00 0.00 0.00 66.50 61.50 172.50 150.50 15.50 0.00 0.00 0.00 466.50
1973 0.00 0.00 0.00 0.00 0.00 105.00 210.50 226.50 64.00 12.50 0.00 0.00 618.50
1974 0.00 0.00 0.00 2.50 7.50 53.50 228.00 126.00 15.00 0.00 0.00 0.00 432.50
1975 0.00 0.00 0.00 0.00 67.50 119.00 257.50 162.00 5.50 4.50 0.00 0.00 616.00
1976 0.00 0.00 0.00 0.00 5.00 149.00 236.00 151.50 48.00 0.50 0.00 0.00 590.00
1977 0.00 0.00 0.00 0.00 115.00 80.00 276.00 95.00 11.50 0.00 0.00 0.00 577.50
1978 0.00 0.00 0.00 0.00 51.50 87.00 128.50 169.00 91.00 0.00 0.00 0.00 527.00
1979 0.00 0.00 0.00 0.00 6.50 75.50 207.50 101.50 38.50 0.00 0.00 0.00 429.50
1980 0.00 0.00 0.00 4.50 48.00 83.00 256.00 185.50 43.50 0.00 0.00 0.00 620.50
1981 0.00 0.00 0.00 0.00 13.95 a 101.50 232.50 159.50 23.50 0.00 0.00 0.00 530.95
1982 0.00 a 0.00 0.00 0.00 33.50 23.00 251.00 110.50 43.50 0.00 0.00 z 0.00 z 461.50
1983 0.00 0.00 0.00 0.00 0.00 150.00 354.43 a 244.50 81.50 9.00 0.00 0.00 a 839.43
1984 0.00 0.00 0.00 0.00 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
1985 0.00 z 0.00 0.00 35.00 47.50 90.50 225.00 143.50 92.50 0.00 a 0.00 0.00 634.00
1986 0.00 a 0.00 0.00 12.00 44.00 90.50 276.00 99.00 50.00 0.00 0.00 0.00 571.50
1987 0.00 0.00 0.00 9.00 86.50 215.00 337.50 183.50 45.50 0.00 0.00 0.00 877.00
1988 0.00 0.00 0.00 0.00 81.00 234.50 350.50 329.50 52.50 0.00 0.00 0.00 1048.00
1989 0.00 0.00 0.00 0.00 20.00 107.50 259.00 188.00 47.50 2.00 0.00 0.00 624.00
1990 0.00 0.00 0.00 31.50 4.00 133.50 192.00 168.00 98.00 0.00 0.00 0.00 627.00
1991 0.00 0.00 0.00 6.00 141.00 199.00 223.50 214.50 72.50 0.00 0.00 0.00 856.50
1992 0.00 0.00 0.00 0.50 34.00 77.50 83.50 106.00 29.00 3.50 0.00 0.00 334.00
1993 0.00 0.00 0.00 0.00 18.50 42.50 156.00 184.00 8.50 0.00 0.00 0.00 409.50
1994 0.00 0.00 0.00 0.50 33.50 144.00 140.50 79.50 59.50 0.00 0.00 0.00 457.50
1995 0.00 0.00 0.00 0.00 2.50 205.00 239.50 243.00 38.00 0.50 0.00 0.00 728.50
1996 0.00 0.00 0.00 0.00 13.50 97.50 89.50 160.00 63.00 0.00 0.00 0.00 423.50
1997 0.00 0.00 0.00 0.00 0.00 110.00 157.00 71.00 25.00 16.00 0.00 0.00 379.00
1998 0.00 0.00 0.00 0.00 58.00 135.50 185.00 165.50 78.50 0.00 0.00 0.00 622.50
1999 0.00 0.00 0.00 0.00 31.50 145.00 279.50 91.00 50.00 0.00 0.00 0.00 597.00
2000 0.00 0.00 0.00 0.00 32.50 82.00 135.50 144.00 39.44 c 1.00 0.00 0.00 434.44
2001 0.00 b 0.00 b 0.00 4.00 25.50 152.50 257.50 228.50 29.00 0.00 a 0.00 0.00 697.00
2002 0.00 0.00 0.00 6.00 22.50 156.00 276.50 127.00 75.00 6.00 0.00 0.00 669.00
2003 0.00 0.00 0.00 5.00 1.00 61.00 193.00 220.00 68.00 2.00 0.00 0.00 550.00
2004 0.00 0.00 0.00 0.00 4.50 48.50 123.00 72.00 86.00 0.00 0.00 0.00 334.00
2005 0.00 0.00 0.00 0.00 2.00 199.00 221.00 193.50 86.50 22.50 0.00 e 0.00 724.50
2006 0.00 0.00 0.00 0.00 46.50 78.50 294.50 157.50 19.00 0.00 0.00 0.00 596.00
2007 0.00 0.00 1.00 1.00 53.50 160.00 208.50 200.00 95.50 46.50 0.00 0.00 766.00
2008 0.00 e 0.00 0.00 0.00 5.50 105.50 219.50 139.00 54.50 6.50 0.00 0.00 530.50
2009 0.00 0.00 0.00 0.00 12.50 129.50 78.50 134.50 24.50 0.00 0.00 0.00 379.50
2010 0.00 0.00 0.00 3.00 80.50 113.00 283.50 269.00 30.50 0.00 0.00 0.00 779.50
2011 0.00 0.00 0.00 0.00 18.00 85.00 290.50 163.50 42.00 8.50 0.00 0.00 607.50
2012 0.00 0.00 17.50 0.00 42.00 165.00 373.00 160.00 57.00 0.00 h 0.00 z 0.00 z 814.50
Period of Record Statistics
MEAN 0.00 0.00 0.18 1.81 26.21 112.02 218.65 164.62 54.13 3.97 0.00 0.00 578.62
S.D. 0.00 0.00 1.73 5.65 27.16 57.63 69.24 63.80 34.27 7.98 0.00 0.00 165.33
SKEW 0.00 0.00 9.95 4.59 1.54 0.41 0.25 0.69 0.84 3.28 0.00 0.00 0.27
MAX 0.00 0.00 17.50 35.00 141.00 253.00 411.50 391.00 159.00 46.50 0.00 0.00 1048.00
MIN 0.00 0.00 0.00 0.00 0.00 11.00 78.50 36.50 4.50 0.00 0.00 0.00 272.50
NO YRS 103 104 103 104 103 103 101 101 103 99 101 102 93