date! ,

Monthly Total Cooling Degree Days

(a vali)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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 z 0.00 z 2.77 c 143.50 k 114.50 o 80.50 f 0.00 z 0.00 z 0.00 z 0.00 z 2.77
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 2.00 s 8.04 b 105.73 c 90.00 b 237.48 c 262.47 a 202.00 0.00 c 0.00 a 0.00 a 905.72
1896 0.00 0.00 0.00 a 3.50 68.41 b 145.00 l 0.00 z 240.25 a 17.88 d 0.00 0.00 f 0.00 330.05
1897 0.00 0.00 0.00 a 0.00 z 16.00 j 139.50 121.50 p 0.00 z 190.50 35.65 a 0.00 a 0.00 b 365.65
1898 0.00 0.00 a 0.00 0.00 23.00 137.59 a 195.96 c 132.02 b 65.17 a 5.54 c 0.00 a 0.00 a 559.28
1899 0.00 f 0.00 0.00 a 0.00 z 12.83 b 0.00 z 0.00 z 206.67 a 50.69 a 19.38 c 0.00 0.00 z 289.56
1900 0.00 o 0.00 0.00 4.50 64.50 91.00 165.00 318.00 59.00 33.58 a 0.00 0.00 735.58
1901 0.00 a 0.00 0.00 16.00 24.50 207.50 477.00 174.00 13.27 d 0.00 0.00 0.00 a 912.27
1902 0.00 0.00 d 0.00 0.00 36.00 0.00 z 157.00 0.00 z 2.07 a 0.00 z 0.00 g 0.00 195.07
1903 0.00 a 0.00 0.00 0.00 5.50 49.00 193.00 97.00 13.50 0.00 0.00 0.00 358.00
1904 0.00 0.00 0.00 0.00 8.00 29.50 94.50 90.50 22.50 0.00 0.00 0.00 245.00
1905 0.00 a 0.00 0.00 0.00 0.00 92.00 135.50 219.50 29.48 a 0.00 z 0.00 b 0.00 476.48
1906 0.00 0.00 e 0.00 0.00 c 43.00 73.50 111.00 201.50 65.50 0.00 0.00 0.00 494.50
1907 0.00 0.00 0.00 0.00 0.00 86.50 148.00 80.00 41.00 0.00 0.00 0.00 355.50
1908 0.00 0.00 0.00 0.00 17.50 66.50 180.50 108.50 164.50 3.50 0.00 0.00 541.00
1909 0.00 0.00 0.00 0.00 1.00 92.50 164.50 275.50 22.50 1.00 0.00 0.00 557.00
1910 0.00 0.00 0.00 18.00 0.00 173.57 b 194.00 107.00 14.50 7.00 0.00 0.00 514.07
1911 0.00 0.00 0.00 0.00 96.00 268.00 246.00 125.03 a 39.50 0.00 0.00 0.00 a 774.53
1912 0.00 0.00 0.00 0.00 16.50 80.00 201.50 94.50 81.50 0.00 0.00 0.00 474.00
1913 0.00 0.00 0.00 0.00 29.50 173.50 153.00 g 223.00 111.67 c 1.00 0.00 0.00 538.67
1914 0.00 0.00 0.00 0.00 z 35.00 104.00 244.50 159.50 6.00 2.50 0.00 0.00 551.50
1915 0.00 z 0.00 0.00 4.50 5.00 20.00 87.00 74.00 17.50 0.00 0.00 0.00 208.00
1916 0.00 a 0.00 0.00 0.00 13.00 26.50 398.00 186.50 57.00 0.00 0.00 0.00 681.00
1917 0.00 0.00 0.00 0.00 8.50 46.50 223.50 79.00 9.50 0.00 0.00 0.00 367.00
1918 0.00 0.00 d 0.00 0.00 29.00 105.50 187.50 205.50 7.00 6.50 0.00 0.00 541.00
1919 0.00 0.00 v 0.00 f 0.00 20.00 180.00 267.00 131.50 88.00 0.50 0.00 0.00 687.00
1920 0.00 0.00 0.00 0.00 29.50 203.08 d 213.00 124.50 85.00 12.50 0.00 0.00 z 667.58
1921 0.00 a 0.00 0.00 0.00 67.00 258.50 340.50 144.50 51.50 0.00 0.00 0.00 862.00
1922 0.00 0.00 0.00 0.00 21.00 163.00 134.50 235.50 137.50 25.50 0.00 0.00 717.00
1923 0.00 0.00 z 0.00 0.00 17.50 171.00 330.50 106.00 57.00 0.00 0.00 0.00 f 682.00
1924 0.00 0.00 0.00 6.50 0.00 a 47.50 134.50 152.00 0.00 0.00 0.00 0.00 340.50
1925 0.00 0.00 0.00 10.50 50.12 a 134.50 210.50 214.00 132.50 0.00 0.00 0.00 752.12
1926 0.00 0.00 0.00 7.00 f 79.50 92.00 328.50 225.00 68.50 0.00 0.00 0.00 793.50
1927 0.00 0.00 0.00 0.00 12.00 113.00 203.50 83.00 178.00 10.00 0.00 0.00 599.50
1928 0.00 0.00 0.00 0.00 49.00 35.50 280.00 240.00 46.00 18.00 0.00 0.00 668.50
1929 0.00 a 0.00 a 0.00 7.50 46.00 105.00 318.50 255.50 85.50 0.00 0.00 0.00 818.00
1930 0.00 0.00 0.00 0.00 26.50 119.00 427.50 302.00 64.00 23.00 0.00 0.00 962.00
1931 0.00 0.00 0.00 1.00 31.00 309.00 353.50 242.50 196.00 13.00 0.00 0.00 1146.00
1932 0.00 a 0.00 a 0.00 0.00 46.50 222.50 354.50 224.00 22.50 3.50 0.00 0.00 873.50
1933 0.00 a 0.00 0.00 0.00 34.00 423.50 337.00 123.50 138.00 0.00 0.00 0.00 1056.00
1934 0.00 0.00 0.00 5.50 227.69 b 262.50 326.00 197.00 20.00 0.50 0.00 0.00 1039.19
1935 0.00 0.00 0.00 0.00 0.00 87.00 420.00 273.50 83.50 0.00 0.00 0.00 864.00
1936 0.00 0.00 0.00 0.00 74.50 125.00 493.50 306.50 120.50 0.00 0.00 0.00 1120.00
1937 0.00 0.00 0.00 0.00 44.50 116.50 310.00 375.50 107.00 2.50 0.00 0.00 956.00
1938 0.00 0.00 a 0.00 3.50 27.00 148.00 314.00 288.50 104.50 33.50 0.00 0.00 919.00
1939 0.00 0.00 0.00 17.50 115.50 197.50 331.00 152.00 145.34 a 0.00 0.00 0.00 958.84
1940 0.00 0.00 0.00 0.00 17.50 155.50 340.50 154.00 123.00 6.00 0.00 0.00 796.50
1941 0.00 0.00 0.00 4.00 101.00 143.50 284.50 250.50 98.50 0.00 0.00 0.00 882.00
1942 0.00 0.00 0.00 9.50 38.50 122.00 229.00 206.50 64.50 0.00 0.00 0.00 670.00
1943 0.00 0.00 3.00 0.00 41.00 199.50 275.50 206.00 20.50 0.00 0.00 0.00 745.50
1944 0.00 0.00 0.00 0.00 92.50 209.50 200.00 200.00 39.50 0.00 0.00 0.00 741.50
1945 0.00 0.00 0.00 0.50 4.50 42.00 198.50 203.50 79.50 4.00 0.00 0.00 532.50
1946 0.00 0.00 0.00 3.50 3.50 170.00 242.50 132.50 41.50 4.00 0.00 0.00 597.50
1947 0.00 0.00 0.00 0.00 2.00 66.50 237.00 421.50 177.00 39.50 0.00 0.00 943.50
1948 0.00 z 0.00 z 0.00 z 4.00 26.50 92.50 246.50 265.50 136.00 0.00 0.00 0.00 771.00
1949 0.00 0.00 0.00 2.50 59.50 199.50 333.50 273.50 9.50 2.00 0.00 0.00 880.00
1950 0.00 0.00 0.00 a 0.00 13.50 167.00 144.50 138.50 30.00 12.00 0.00 0.00 g 505.50
1951 0.00 0.00 0.00 10.00 29.50 41.50 214.50 138.00 5.00 11.50 0.00 0.00 c 450.00
1952 0.00 a 0.00 0.00 21.00 36.00 239.50 257.62 b 137.50 82.76 a 0.00 0.00 0.00 774.38
1953 0.00 0.00 c 0.00 d 0.00 33.50 223.50 242.50 236.00 72.00 24.00 0.00 0.00 831.50
1954 0.00 a 0.00 0.00 5.17 a 11.50 227.50 306.50 169.00 59.00 0.00 0.00 0.00 778.67
1955 0.00 0.00 0.00 1.50 63.00 119.50 430.00 390.60 a 104.00 9.50 0.00 0.00 1118.10
1956 0.00 0.00 a 0.00 a 0.00 58.50 309.00 162.00 213.00 48.50 22.50 0.00 0.00 813.50
1957 0.00 a 0.00 a 0.00 9.50 20.31 b 110.50 393.00 193.00 28.00 0.00 a 0.00 a 0.00 754.31
1958 0.00 0.00 a 0.00 0.50 51.00 68.00 149.00 304.50 72.50 16.50 0.00 0.00 662.00
1959 0.00 a 0.00 0.00 0.00 51.50 216.00 234.00 306.50 89.50 0.00 0.00 0.00 897.50
1960 0.00 0.00 0.00 b 12.00 9.50 66.00 220.62 a 228.00 115.50 4.00 0.00 0.00 655.62
1961 0.00 0.00 0.00 b 0.00 24.00 161.50 188.50 228.37 a 60.00 0.00 z 0.00 0.00 662.37
1962 0.00 0.00 a 0.00 17.78 c 73.50 102.50 169.00 191.50 31.50 13.50 0.00 0.00 a 599.28
1963 0.00 0.00 0.00 2.50 30.50 226.50 255.50 161.00 55.00 24.50 0.00 0.00 755.50
1964 0.00 0.00 0.00 2.00 63.00 189.50 313.00 136.92 a 61.00 0.00 0.00 0.00 765.42
1965 0.00 0.00 0.00 0.00 39.50 102.50 228.00 174.50 7.50 7.50 0.00 a 0.00 559.50
1966 0.00 0.00 g 0.00 0.00 a 25.00 158.00 363.50 130.00 33.62 a 6.00 0.00 0.00 716.12
1967 0.00 0.00 a 0.00 0.00 33.50 80.00 208.50 126.50 9.50 2.58 a 0.00 0.00 460.58
1968 0.00 0.00 0.00 a 3.50 8.00 163.50 185.50 169.50 15.00 14.00 0.00 0.00 559.00
1969 0.00 0.00 0.00 0.00 a 56.50 38.00 227.50 155.50 20.00 4.00 0.00 0.00 501.50
1970 0.00 0.00 0.00 15.50 55.50 176.50 234.50 178.00 96.00 8.50 0.00 0.00 764.50
1971 0.00 0.00 0.00 0.00 6.00 223.50 119.00 138.00 67.50 15.00 0.00 0.00 569.00
1972 0.00 0.00 0.00 0.00 57.00 116.00 156.00 188.00 38.50 0.00 0.00 0.00 555.50
1973 0.00 0.00 0.00 0.00 11.50 162.00 194.00 210.50 33.00 7.00 0.00 0.00 618.00
1974 0.00 0.00 0.00 1.00 14.50 107.00 326.50 76.50 20.50 0.00 0.00 z 0.00 546.00
1975 0.00 0.00 0.00 a 0.00 71.50 128.00 294.00 179.50 19.00 10.50 0.00 0.00 702.50
1976 0.00 0.00 0.00 z 13.27 d 23.50 128.00 243.50 186.00 56.50 4.50 0.00 0.00 655.27
1977 0.00 0.00 0.00 15.00 104.00 153.50 246.50 84.50 22.50 0.00 0.00 0.00 626.00
1978 0.00 0.00 0.00 0.00 52.00 152.00 200.50 163.00 139.00 0.50 0.00 0.00 707.00
1979 0.00 0.00 0.00 0.00 22.50 113.00 177.50 0.00 z 53.50 0.00 0.00 0.00 366.50
1980 0.00 0.00 0.00 15.00 49.60 a 116.00 212.50 130.50 37.50 0.00 0.00 0.00 561.10
1981 0.00 0.00 a 0.00 1.50 6.50 109.50 206.00 112.50 29.00 0.00 0.00 0.00 465.00
1982 0.00 0.00 0.00 0.00 13.00 24.50 233.00 144.00 35.00 0.50 0.00 0.00 450.00
1983 0.00 0.00 0.00 0.00 2.50 122.50 329.50 321.50 96.00 7.50 0.00 0.00 a 879.50
1984 0.00 0.00 0.00 1.00 12.50 130.00 197.50 234.50 36.00 1.00 0.00 0.00 612.50
1985 0.00 0.00 0.00 30.00 50.00 78.00 165.50 70.00 83.50 0.00 0.00 0.00 477.00
1986 0.00 0.00 0.00 0.00 16.00 179.00 255.00 79.50 31.00 0.00 0.00 0.00 560.50
1987 0.00 0.00 0.00 19.50 101.00 0.00 z 286.50 108.00 18.00 0.00 0.00 0.00 533.00
1988 0.00 0.00 0.00 0.00 64.50 250.00 245.50 290.00 69.50 0.00 0.00 0.00 919.50
1989 0.00 0.00 0.00 0.00 26.00 128.00 282.50 170.00 42.50 3.50 0.00 0.00 652.50
1990 0.00 0.00 0.00 16.50 6.00 179.50 179.50 148.50 116.50 5.00 0.00 0.00 651.50
1991 0.00 0.00 0.00 13.00 101.00 210.00 218.00 143.50 49.00 0.00 0.00 0.00 734.50
1992 0.00 0.00 0.00 0.00 40.00 85.00 43.00 55.00 18.50 7.50 0.00 0.00 a 249.00
1993 0.00 0.00 0.00 0.00 8.00 64.50 165.50 164.50 4.00 7.00 0.00 0.00 413.50
1994 0.00 0.00 0.00 9.00 71.00 151.50 108.50 89.50 63.00 0.00 0.00 0.00 492.50
1995 0.00 0.00 0.00 0.00 a 0.00 156.50 231.00 256.50 43.50 7.50 0.00 0.00 695.00
1996 0.00 0.00 0.00 0.00 z 24.00 167.50 132.50 118.00 46.50 0.00 0.00 0.00 488.50
1997 0.00 a 0.00 0.00 0.00 0.00 a 147.00 223.00 108.00 43.00 39.00 0.00 0.00 560.00
1998 0.00 0.00 0.00 1.50 74.50 100.50 195.00 0.00 z 91.50 0.00 0.00 0.00 463.00
1999 0.00 a 0.00 0.00 0.00 17.00 122.00 306.50 127.00 54.50 2.00 0.00 0.00 629.00
2000 0.00 0.00 1.00 0.00 48.00 99.00 196.50 157.50 57.00 3.00 0.00 0.00 a 562.00
2001 0.00 0.00 0.00 z 7.50 32.00 145.50 265.00 195.00 23.00 2.00 0.00 0.00 670.00
2002 0.00 0.00 0.00 13.00 29.50 220.00 333.50 147.00 86.50 1.50 0.00 0.00 831.00
2003 0.00 0.00 0.00 10.50 2.00 101.00 200.00 190.00 56.50 7.50 0.00 0.00 567.50
2004 0.00 0.00 0.00 0.00 19.00 62.00 143.00 70.00 87.50 0.00 0.00 0.00 381.50
2005 0.00 0.00 0.00 0.50 3.00 184.50 257.50 132.50 108.50 39.00 0.00 0.00 f 725.50
2006 0.00 0.00 0.00 4.50 63.00 153.10 a 299.50 166.00 19.00 12.50 0.00 0.00 717.60
2007 0.00 0.00 0.00 8.00 55.50 142.00 201.50 158.50 80.50 27.00 0.00 0.00 a 673.00
2008 0.00 0.00 a 0.00 0.00 5.00 71.50 188.50 88.00 38.00 0.00 0.00 0.00 391.00
2009 0.00 0.00 0.00 4.00 28.50 127.00 68.00 81.50 15.50 0.00 0.00 0.00 b 324.50
2010 0.00 0.00 0.00 1.50 42.92 e 122.50 251.50 255.00 15.00 8.50 0.00 0.00 696.92
2011 0.00 c 0.00 a 0.00 0.00 24.00 120.00 339.50 153.97 a 43.33 c 13.00 0.00 0.00 693.80
2012 0.00 e 0.00 b 8.94 e 0.00 d 61.50 g 197.78 c 110.50 u 153.00 f 42.60 e 0.00 0.00 b 0.00 e 249.32
2013 0.00 c 0.00 c 0.00 b 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
Period of Record Statistics
MEAN 0.00 0.00 0.11 3.69 36.20 138.63 239.84 180.25 61.45 6.32 0.00 0.00 671.82
S.D. 0.00 0.00 0.88 6.06 33.30 67.87 85.04 74.04 46.00 9.75 0.00 0.00 200.39
SKEW 0.00 0.00 9.14 1.84 2.07 0.88 0.50 0.72 1.06 1.92 0.00 0.00 0.18
MAX 0.00 0.00 8.94 30.00 227.69 423.50 493.50 421.50 202.00 39.50 0.00 0.00 1146.00
MIN 0.00 0.00 0.00 0.00 0.00 20.00 43.00 55.00 0.00 0.00 0.00 0.00 245.00
NO YRS 115 115 114 113 117 114 113 113 118 115 115 113 91