date! ,

Monthly Total Cooling Degree Days

(a vali)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197203
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
1867 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
1868 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
1869 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
1870 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
1871 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
1872 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
1873 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
1874 0.00 0.00 0.00 0.00 11.00 92.50 153.00 134.00 5.50 0.00 0.00 0.00 396.00
1875 0.00 0.00 0.00 0.00 6.50 95.00 46.00 88.00 22.00 0.00 0.00 0.00 257.50
1876 0.00 0.00 0.00 0.00 0.00 42.50 121.00 84.00 12.50 0.00 0.00 0.00 260.00
1877 0.00 0.00 0.00 0.00 0.00 80.50 111.00 106.50 11.50 0.00 0.00 0.00 309.50
1878 0.00 0.00 0.00 0.00 0.00 49.00 211.50 182.00 5.00 0.00 0.00 0.00 447.50
1879 0.00 0.00 0.00 0.00 10.50 87.50 251.00 207.00 73.50 0.00 0.00 0.00 629.50
1880 0.00 0.00 0.00 0.00 0.00 70.50 80.50 48.00 0.00 0.00 0.00 0.00 199.00
1881 0.00 0.00 0.00 0.00 2.00 157.50 169.50 86.50 10.00 0.00 0.00 t 0.00 z 425.50
1882 0.00 0.00 b 0.00 0.00 0.00 75.50 159.00 100.50 6.50 0.00 0.00 0.00 341.50
1883 0.00 0.00 a 0.00 0.00 a 0.00 18.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1884 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 0.00
1885 0.00 0.00 0.00 0.00 1.00 30.50 136.00 101.50 4.00 0.00 0.00 0.00 273.00
1886 0.00 0.00 0.00 0.00 22.50 59.00 213.50 68.00 0.00 0.00 0.00 0.00 363.00
1887 0.00 0.00 a 0.00 0.00 0.50 66.50 128.00 97.00 16.00 2.00 0.00 0.00 310.00
1888 0.00 0.00 0.00 0.00 0.00 88.00 159.00 89.50 19.00 0.00 0.00 0.00 a 355.50
1889 0.00 0.00 0.00 0.00 1.00 52.00 160.50 183.00 40.00 2.00 0.00 0.00 438.50
1890 0.00 0.00 0.00 0.00 5.50 49.00 157.07 a 80.00 16.00 0.00 0.00 a 0.00 307.57
1891 0.00 0.00 0.00 0.00 0.00 37.50 129.50 128.50 14.50 0.00 0.00 a 0.00 310.00
1892 0.00 0.00 0.00 a 0.00 0.00 99.50 147.00 105.92 a 38.00 0.00 0.00 0.00 390.42
1893 0.00 0.00 0.00 0.00 0.00 128.50 116.50 59.00 5.50 0.00 0.00 0.00 309.50
1894 0.00 0.00 0.00 0.00 6.00 29.00 130.00 31.00 0.50 0.00 0.00 0.00 196.50
1895 0.00 0.00 0.00 0.00 2.50 20.00 76.00 53.00 62.00 0.00 0.00 0.00 213.50
1896 0.00 0.00 0.00 0.00 20.50 135.00 62.00 121.00 29.50 0.00 0.00 0.00 368.00
1897 0.00 0.00 0.00 0.00 a 0.00 44.50 77.50 64.50 6.00 0.00 0.00 0.00 192.50
1898 0.00 0.00 0.00 0.00 4.50 74.00 120.00 92.00 15.00 0.00 0.00 0.00 305.50
1899 0.00 a 0.00 0.00 0.00 2.50 50.00 95.00 116.50 44.50 0.00 0.00 0.00 308.50
1900 0.00 0.00 0.00 0.00 6.00 107.00 153.00 119.50 8.00 0.00 0.00 0.00 393.50
1901 0.00 0.00 0.00 0.00 a 0.00 98.50 153.00 122.00 10.00 0.00 0.00 0.00 383.50
1902 0.00 0.00 0.00 0.00 a 2.00 122.00 91.50 127.00 17.50 0.00 0.00 0.00 360.00
1903 0.00 0.00 0.00 0.00 0.00 47.00 180.50 138.50 20.50 0.00 0.00 0.00 386.50
1904 0.00 0.00 0.00 0.00 0.00 a 24.50 126.50 66.00 2.00 0.00 0.00 0.00 219.00
1905 0.00 0.00 0.00 0.00 0.00 58.50 59.50 110.05 a 20.50 0.00 0.00 0.00 248.55
1906 0.00 0.00 0.00 0.00 0.00 66.50 65.00 47.50 5.50 0.00 0.00 b 0.00 184.50
1907 0.00 a 0.00 0.00 0.00 a 0.00 15.50 94.03 a 86.00 1.03 a 0.00 0.00 0.00 196.57
1908 0.00 0.00 0.00 0.00 0.00 29.50 51.50 43.50 22.00 0.00 0.00 0.00 146.50
1909 0.00 0.00 0.00 0.00 0.00 70.50 148.00 66.00 7.50 0.00 0.00 0.00 292.00
1910 0.00 0.00 0.00 0.00 15.00 41.00 161.00 107.50 14.50 0.00 0.00 0.00 339.00
1911 0.00 0.00 0.00 0.00 2.50 38.00 22.50 99.50 10.00 0.00 0.00 0.00 172.50
1912 0.00 0.00 0.00 0.00 7.00 25.00 110.50 82.50 0.00 0.00 0.00 0.00 225.00
1913 0.00 0.00 0.00 0.00 3.00 18.50 150.00 117.00 4.00 0.00 0.00 0.00 292.50
1914 0.00 0.00 0.00 0.00 0.00 90.50 83.50 86.50 29.00 0.00 0.00 0.00 289.50
1915 0.00 0.00 0.00 0.00 2.50 68.00 110.00 45.50 0.50 0.00 0.00 0.00 226.50
1916 0.00 0.00 0.00 0.00 2.50 78.00 126.50 74.00 6.50 0.00 0.00 0.00 287.50
1917 0.00 0.00 0.00 0.00 0.00 99.00 202.00 96.50 37.00 1.00 0.00 0.00 435.50
1918 0.00 0.00 0.00 0.00 1.50 125.69 a 134.50 93.50 9.00 0.50 0.00 0.00 364.69
1919 0.00 0.00 0.00 a 0.00 0.00 56.38 a 92.00 126.50 27.00 0.00 0.00 0.00 301.88
1920 0.00 0.00 a 0.00 0.00 2.00 28.00 115.50 49.50 10.34 a 0.00 0.00 0.00 205.34
1921 0.00 0.00 0.00 a 0.00 1.55 a 51.00 88.50 49.50 16.00 0.00 0.00 0.00 206.55
1922 0.00 0.00 0.00 0.00 0.00 89.50 158.00 179.00 32.50 0.00 0.00 0.00 459.00
1923 0.00 0.00 0.00 0.00 1.00 65.00 150.00 60.00 0.50 0.00 0.00 0.00 276.50
1924 0.00 0.00 0.00 0.00 0.00 147.50 96.50 104.00 30.50 0.00 0.00 0.00 378.50
1925 0.00 0.00 0.00 a 0.00 12.50 66.50 152.50 56.32 a 8.50 1.00 0.00 0.00 297.32
1926 0.00 0.00 0.00 a 0.00 5.50 56.00 90.93 a 124.00 30.00 0.00 0.00 0.00 306.43
1927 0.00 0.00 0.00 0.00 4.50 63.50 167.00 61.00 8.00 0.00 0.00 0.00 304.00
1928 0.00 0.00 a 0.00 0.00 8.50 56.38 a 153.00 51.00 3.50 0.00 0.00 0.00 272.38
1929 0.00 0.00 0.00 0.00 0.00 81.50 126.00 66.65 a 10.00 0.00 0.00 0.00 284.15
1930 0.00 0.00 0.00 0.00 0.00 100.00 115.50 93.50 3.00 0.00 0.00 0.00 312.00
1931 0.00 0.00 0.00 0.00 2.00 96.50 164.00 80.00 38.00 0.00 0.00 0.00 380.50
1932 0.00 a 0.00 0.00 0.00 0.00 41.50 146.00 114.00 8.00 0.00 0.00 0.00 309.50
1933 0.00 0.00 0.00 0.00 3.00 77.50 172.00 98.50 52.00 0.00 0.00 0.00 403.00
1934 0.00 0.00 0.00 0.00 20.00 89.00 218.00 178.50 7.00 0.00 0.00 0.00 512.50
1935 0.00 0.00 0.00 0.00 0.00 63.50 174.50 91.00 27.50 0.00 0.00 0.00 356.50
1936 0.00 0.00 0.00 0.00 3.00 147.50 163.00 155.00 21.50 0.00 0.00 0.00 490.00
1937 0.00 0.00 a 0.00 0.00 8.50 72.93 a 152.50 194.00 37.50 0.00 0.00 0.00 465.43
1938 0.00 0.00 0.00 0.00 5.50 73.00 132.00 165.00 1.50 0.00 0.00 0.00 377.00
1939 0.00 0.00 0.00 0.00 a 1.00 93.50 142.50 91.50 43.50 0.00 0.00 0.00 372.00
1940 0.00 0.00 0.00 0.00 2.00 55.00 174.50 89.00 32.00 0.00 0.00 0.00 352.50
1941 0.00 0.00 0.00 0.00 0.00 28.00 120.00 100.00 33.50 0.00 0.00 0.00 281.50
1942 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
1943 0.00 e 0.00 d 0.00 d 1.73 d 2.50 g 69.81 d 196.13 e 188.98 e 9.60 e 0.00 e 0.00 e 0.00 z 466.25
1944 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
1945 0.00 0.00 0.00 0.00 0.00 37.50 138.50 152.50 53.50 0.00 0.00 0.00 382.00
1946 0.00 0.00 0.00 0.00 0.50 163.00 198.00 103.50 43.50 0.00 0.00 0.00 508.50
1947 0.00 0.00 0.00 0.00 10.00 40.00 c 229.00 148.50 52.50 0.00 0.00 a 0.00 b 480.00
1948 0.00 b 0.00 a 0.00 f 0.00 11.37 a 49.29 b 101.50 n 0.00 z 57.32 b 0.00 h 0.00 0.00 117.97
1949 0.00 0.00 a 0.00 p 0.00 a 3.00 57.00 j 144.50 106.43 a 14.00 l 0.00 0.00 0.00 a 253.93
1950 0.00 0.00 0.00 0.00 0.00 g 144.00 i 85.50 68.09 c 5.69 a 0.50 0.00 0.00 159.78
1951 0.00 0.00 0.00 0.00 39.00 95.50 305.72 b 118.00 49.00 0.00 0.00 0.00 607.22
1952 0.00 0.00 0.00 0.00 0.00 165.50 158.00 174.00 49.50 0.00 0.00 0.00 547.00
1953 0.00 b 0.00 0.00 m 0.00 a 10.85 a 128.00 213.00 122.97 a 31.61 b 0.00 0.00 0.00 506.42
1954 0.00 a 0.00 0.00 b 0.00 w 5.50 i 126.50 250.21 c 133.00 78.00 5.50 0.00 0.00 593.21
1955 0.00 0.00 0.00 0.00 1.00 54.00 139.00 84.50 32.00 0.00 0.00 0.00 310.50
1956 0.00 0.00 0.00 0.00 13.00 174.50 156.00 78.50 62.00 2.50 0.00 0.00 486.50
1957 0.00 0.00 0.00 0.00 0.00 90.00 198.50 72.00 10.50 1.50 0.00 0.00 372.50
1958 0.00 0.00 0.00 0.00 22.00 140.50 205.00 164.50 37.50 0.00 0.00 0.00 569.50
1959 0.00 0.00 0.00 0.00 0.00 118.00 174.50 109.50 39.50 0.00 0.00 0.00 441.50
1960 0.00 0.00 0.00 0.00 1.50 125.00 145.04 c 135.00 39.50 0.00 0.00 0.00 446.04
1961 0.00 0.00 0.00 0.00 9.00 102.50 128.50 52.50 0.00 a 0.00 0.00 0.00 292.50
1962 0.00 0.00 0.00 0.00 7.00 68.50 104.00 151.00 22.00 0.00 0.00 0.00 352.50
1963 0.00 0.00 0.00 0.00 1.50 84.50 206.50 64.00 16.00 0.00 0.00 0.00 372.50
1964 0.00 0.00 0.00 0.00 6.00 44.50 172.50 86.50 32.00 0.00 0.00 0.00 341.50
1965 0.00 0.00 0.00 0.00 0.00 31.50 135.00 68.00 2.00 0.00 0.00 0.00 236.50
1966 0.00 a 0.00 0.00 b 0.00 a 0.00 31.50 210.00 54.50 3.00 p 0.00 0.00 0.00 a 296.00
1967 0.00 0.00 0.00 0.00 b 4.00 37.50 149.32 a 34.50 0.00 a 0.00 0.00 0.00 225.32
1968 0.00 a 0.00 0.00 0.00 0.50 105.50 93.00 21.50 1.00 0.00 0.00 0.00 221.50
1969 0.00 0.00 0.00 0.00 15.50 47.00 203.50 157.50 7.50 0.00 0.00 a 0.00 431.00
1970 0.00 0.00 0.00 0.00 4.00 78.50 151.00 113.00 7.50 0.00 a 0.00 0.00 354.00
1971 0.00 0.00 0.00 0.00 1.55 a 92.00 139.00 28.79 c 46.00 0.00 z 0.00 c 0.00 b 307.34
1972 0.00 a 0.00 0.00 k 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 0.00 0.02 4.13 75.40 143.30 100.27 21.19 0.18 0.00 0.00 338.93
S.D. 0.00 0.00 0.00 0.18 6.52 37.33 48.77 41.71 18.83 0.71 0.00 0.00 101.38
SKEW 0.00 0.00 0.00 9.54 2.61 0.65 0.29 0.50 0.91 5.43 0.00 0.00 0.57
MAX 0.00 0.00 0.00 1.73 39.00 174.50 305.72 207.00 78.00 5.50 0.00 0.00 629.50
MIN 0.00 0.00 0.00 0.00 0.00 15.50 22.50 21.50 0.00 0.00 0.00 0.00 146.50
NO YRS 96 96 92 94 92 92 93 93 92 92 93 93 85