DURANGO, COLORADO

Monthly Total Cooling Degree Days

(052432)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 199103
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
1900 0.00 0.00 0.00 0.00 0.00 55.00 71.50 12.00 0.00 0.00 0.00 0.00 138.50
1901 0.00 0.00 0.00 0.00 0.00 1.03 a 75.00 p 149.50 2.00 0.00 0.00 0.00 152.53
1902 0.00 0.00 0.00 0.00 0.00 i 80.69 a 80.00 105.00 11.00 0.00 0.00 0.00 276.69
1903 0.00 0.00 0.00 0.00 0.00 23.00 77.00 i 97.00 16.50 0.00 0.00 0.00 136.50
1904 0.00 0.00 0.00 0.00 0.00 6.50 60.50 67.00 0.00 0.00 0.00 0.00 134.00
1905 0.00 0.00 0.00 0.00 0.00 7.50 34.50 h 80.00 4.00 0.00 0.00 0.00 91.50
1906 0.00 h 0.00 0.00 0.00 0.00 8.00 66.50 29.00 2.50 0.00 0.00 0.00 106.00
1907 0.00 0.00 0.00 0.00 0.00 3.00 81.00 45.50 0.00 a 0.00 0.00 0.00 129.50
1908 0.00 0.00 h 0.00 0.00 0.00 1.50 75.50 51.09 d 2.07 a 0.00 j 0.00 0.00 130.16
1909 0.00 0.00 0.00 d 0.00 0.00 d 38.65 d 124.00 72.50 1.00 0.00 f 0.00 0.00 236.15
1910 0.00 g 0.00 0.00 j 0.00 6.00 6.50 h 135.50 86.50 12.50 0.00 g 0.00 b 0.00 h 240.50
1911 0.00 a 0.00 0.00 h 0.00 c 0.00 e 1.50 27.50 52.18 a 2.00 n 0.00 0.00 a 0.00 h 81.18
1912 0.00 r 0.00 0.00 0.00 0.00 2.07 a 65.50 19.00 0.00 a 0.00 0.00 0.00 86.57
1913 0.00 0.00 0.00 0.00 0.00 0.00 92.48 a 94.00 4.00 0.00 0.00 0.00 190.48
1914 0.00 0.00 c 0.00 a 0.00 0.00 5.00 74.50 60.50 0.00 e 0.00 a 0.00 0.00 140.00
1915 0.00 0.00 0.00 0.00 0.00 a 0.00 42.76 b 20.50 5.00 f 0.00 0.00 0.00 63.26
1916 0.00 0.00 0.00 0.00 d 0.00 0.00 70.78 a 29.50 0.00 f 0.00 f 0.00 0.00 100.28
1917 0.00 b 0.00 0.00 0.00 a 0.00 e 14.44 c 126.50 38.50 8.50 0.00 0.00 0.00 187.94
1918 0.00 0.00 b 0.00 e 0.00 0.00 100.20 e 55.00 43.06 d 1.50 0.00 0.00 0.00 199.76
1919 0.00 0.00 0.00 0.00 0.00 29.42 d 59.00 g 78.07 d 15.00 0.00 0.00 0.00 122.50
1920 0.00 0.00 0.00 0.00 0.00 1.50 57.50 20.50 3.00 0.00 0.00 f 0.00 h 82.50
1921 0.00 0.00 0.00 0.00 0.00 16.50 65.00 17.00 0.00 0.00 f 0.00 0.00 98.50
1922 0.00 0.00 0.00 d 0.00 0.00 25.00 0.00 z 102.50 8.00 0.00 z 0.00 h 0.00 135.50
1923 0.00 0.00 0.00 0.00 0.00 d 5.00 112.00 23.50 0.00 0.00 b 0.00 e 0.00 140.50
1924 0.00 0.00 0.00 a 0.00 0.00 38.00 85.25 c 26.50 15.00 0.00 0.00 0.00 164.75
1925 0.00 0.00 0.00 h 0.00 0.00 17.50 77.50 f 8.50 0.00 0.00 0.00 0.00 26.00
1926 0.00 0.00 0.00 b 0.00 0.00 f 3.00 17.50 18.50 0.00 e 0.00 0.00 0.00 39.00
1927 0.00 f 0.00 0.00 0.00 0.00 d 3.00 10.50 2.07 a 0.00 h 0.00 e 0.00 0.00 15.57
1928 0.00 0.00 0.00 e 0.00 j 0.00 g 0.00 7.50 5.50 0.00 0.00 0.00 0.00 b 13.00
1929 0.00 0.00 0.00 0.00 0.00 25.00 164.50 59.00 2.00 0.00 0.00 h 0.00 i 250.50
1930 0.00 i 0.00 0.00 0.00 0.00 a 35.50 103.50 73.50 2.00 0.00 0.00 a 0.00 214.50
1931 0.00 0.00 0.00 0.00 0.00 56.50 168.50 77.50 18.00 0.00 i 0.00 0.00 320.50
1932 0.00 0.00 0.00 0.00 0.00 16.00 122.00 95.58 a 1.00 0.00 0.00 0.00 234.58
1933 0.00 0.00 0.00 0.00 0.00 29.50 133.00 69.00 18.50 0.00 0.00 0.00 250.00
1934 0.00 i 0.00 g 0.00 0.00 a 1.50 15.50 124.50 113.50 0.00 h 0.00 0.00 0.00 255.00
1935 0.00 0.00 0.00 0.00 0.00 2.00 43.50 26.50 0.00 0.00 0.00 0.00 72.00
1936 0.00 0.00 0.00 0.00 0.00 46.00 45.50 46.00 6.50 0.00 a 0.00 0.00 144.00
1937 0.00 a 0.00 0.00 0.00 0.00 18.50 63.50 62.50 4.50 0.00 0.00 0.00 149.00
1938 0.00 0.00 0.00 0.00 0.00 1.00 30.50 74.50 0.00 0.00 0.00 0.00 106.00
1939 0.00 0.00 0.00 0.00 0.00 7.00 42.50 19.50 5.00 0.00 0.00 0.00 74.00
1940 0.00 0.00 0.00 0.00 0.00 33.50 116.50 58.50 4.00 0.00 0.00 0.00 212.50
1941 0.00 d 0.00 0.00 0.00 0.00 3.00 36.00 32.50 0.00 0.00 0.00 0.00 71.50
1942 0.00 0.00 0.00 0.00 0.00 0.00 55.00 33.50 0.00 0.00 h 0.00 0.00 88.50
1943 0.00 0.00 0.00 0.00 0.00 d 15.00 71.00 88.00 0.00 0.00 0.00 0.00 174.00
1944 0.00 a 0.00 0.00 0.00 0.00 2.50 23.00 43.50 0.50 0.00 0.00 0.00 69.50
1945 0.00 0.00 0.00 0.00 0.00 0.50 78.00 80.82 c 13.00 0.00 0.00 0.00 i 172.32
1946 0.00 0.00 0.00 a 0.00 0.00 11.00 110.50 45.50 2.00 0.00 0.00 0.00 169.00
1947 0.00 0.00 0.00 0.00 0.00 0.00 104.50 68.50 21.50 0.00 0.00 0.00 e 194.50
1948 0.00 0.00 0.00 a 0.00 0.00 3.50 48.64 b 46.00 9.00 0.00 0.00 0.00 107.14
1949 0.00 0.00 0.00 0.00 0.00 1.00 77.00 17.50 1.00 0.00 0.00 0.00 96.50
1950 0.00 0.00 0.00 0.00 0.00 7.50 40.00 5.00 4.50 0.00 0.00 0.00 57.00
1951 0.00 0.00 0.00 0.00 4.00 11.50 136.00 52.50 0.00 0.00 0.00 0.00 204.00
1952 0.00 0.00 0.00 0.00 0.00 6.50 63.50 78.00 8.00 0.00 0.00 c 0.00 156.00
1953 0.00 0.00 0.00 0.00 1.00 26.50 106.00 28.50 0.00 0.00 e 0.00 0.00 162.00
1954 0.00 0.00 0.00 0.00 0.00 42.50 161.50 54.50 14.00 0.00 0.00 0.00 272.50
1955 0.00 0.00 0.00 0.00 0.00 3.50 39.00 91.00 9.00 0.00 0.00 0.00 a 142.50
1956 0.00 0.00 0.00 0.00 0.00 26.00 69.50 31.50 1.50 0.00 0.00 0.00 128.50
1957 0.00 0.00 0.00 0.00 0.00 18.50 79.50 58.00 0.00 0.00 0.00 0.00 156.00
1958 0.00 b 0.00 0.00 0.00 4.00 20.50 39.50 98.00 4.00 0.00 0.00 0.00 166.00
1959 0.00 0.00 0.00 0.00 0.00 37.00 65.50 g 46.50 2.50 0.00 0.00 0.00 86.00
1960 0.00 0.00 0.00 0.00 0.00 17.50 90.00 97.00 27.00 0.00 0.00 0.00 231.50
1961 0.00 0.00 0.00 0.00 0.00 41.50 79.50 76.50 0.00 0.00 0.00 0.00 197.50
1962 0.00 0.00 0.00 0.00 0.00 16.00 85.00 65.00 7.50 0.00 0.00 0.00 173.50
1963 0.00 0.00 0.00 0.00 1.50 2.00 149.50 78.50 7.50 0.00 0.00 0.00 239.00
1964 0.00 0.00 0.00 0.00 0.00 5.50 140.50 56.50 1.50 0.00 0.00 0.00 204.00
1965 0.00 0.00 0.00 0.00 0.00 0.00 115.00 42.50 0.00 0.00 0.00 0.00 157.50
1966 0.00 0.00 0.00 0.00 0.00 16.00 175.00 85.00 1.00 0.00 0.00 0.00 277.00
1967 0.00 0.00 0.00 0.00 0.50 1.00 146.00 37.00 5.50 0.00 0.00 0.00 190.00
1968 0.00 0.00 0.00 0.00 0.00 14.50 94.00 13.00 0.00 0.00 0.00 0.00 121.50
1969 0.00 0.00 a 0.00 0.00 0.00 1.50 130.50 120.00 10.00 0.00 0.00 0.00 262.00
1970 0.00 0.00 0.00 0.00 0.00 36.00 116.50 111.50 0.50 0.00 0.00 0.00 264.50
1971 0.00 c 0.00 0.00 a 0.00 c 0.00 28.50 109.00 g 66.77 e 3.00 0.00 b 0.00 0.00 b 98.27
1972 0.00 e 0.00 0.00 a 0.00 0.00 9.44 c 126.50 64.00 g 0.54 b 0.00 f 0.00 f 0.00 a 136.48
1973 0.00 b 0.00 d 0.00 b 0.00 e 0.00 a 27.50 7.50 n 49.00 0.00 b 0.00 0.00 0.00 c 76.50
1974 0.00 c 0.00 h 0.00 c 0.00 0.53 b 73.97 a 51.00 h 12.50 2.40 e 0.00 e 0.00 c 0.00 89.40
1975 0.00 0.00 b 0.00 0.00 f 0.00 2.00 99.00 40.62 b 4.50 0.00 0.00 i 0.00 146.12
1976 0.00 0.00 0.00 a 0.00 0.00 17.50 128.00 24.00 7.50 0.00 0.00 0.00 177.00
1977 0.00 0.00 0.00 0.00 1.50 48.50 145.00 125.66 c 23.00 i 0.00 g 0.00 0.00 320.66
1978 0.00 0.00 0.00 0.00 0.00 12.00 129.00 41.00 15.00 0.00 0.00 a 0.00 a 197.00
1979 0.00 0.00 0.00 0.00 0.00 23.28 a 124.50 85.00 17.50 o 0.00 0.00 0.00 232.78
1980 0.00 0.00 0.00 0.00 0.00 a 42.93 a 149.50 95.50 0.50 0.00 a 0.00 0.00 288.43
1981 0.00 0.00 0.00 0.00 0.00 66.50 145.00 76.98 a 4.00 0.00 0.00 0.00 292.48
1982 0.00 0.00 0.00 0.00 0.00 8.50 109.00 116.00 14.00 0.00 0.00 0.00 247.50
1983 0.00 0.00 0.00 0.00 1.00 7.50 147.00 146.50 22.24 a 0.00 0.00 0.00 324.24
1984 0.00 0.00 0.00 0.00 6.00 29.00 176.00 91.50 4.00 0.00 0.00 0.00 306.50
1985 0.00 0.00 0.00 0.00 0.00 47.50 139.50 91.00 7.00 0.00 0.00 0.00 285.00
1986 0.00 0.00 0.00 0.00 0.00 27.00 58.50 110.00 0.00 0.00 0.00 0.00 195.50
1987 0.00 0.00 0.00 0.00 0.00 19.00 90.00 71.50 0.50 0.00 0.00 0.00 181.00
1988 0.00 0.00 0.00 0.00 0.00 54.00 125.50 96.50 4.00 0.00 0.00 0.00 280.00
1989 0.00 0.00 0.00 0.00 0.00 46.50 188.50 62.50 6.00 0.00 0.00 0.00 303.50
1990 0.00 0.00 0.00 0.00 0.00 102.00 116.00 55.00 34.50 0.00 0.00 0.00 307.50
1991 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 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.00 0.31 20.60 94.06 60.78 5.34 0.00 0.00 0.00 187.68
S.D. 0.00 0.00 0.00 0.00 1.10 22.24 43.40 33.76 6.93 0.00 0.00 0.00 68.97
SKEW 0.00 0.00 0.00 0.00 4.13 1.58 0.05 0.32 1.83 0.00 0.00 0.00 0.14
MAX 0.00 0.00 0.00 0.00 6.00 102.00 188.50 149.50 34.50 0.00 0.00 0.00 324.24
MIN 0.00 0.00 0.00 0.00 0.00 0.00 7.50 2.07 0.00 0.00 0.00 0.00 57.00
NO YRS 86 89 89 89 88 90 81 90 84 81 86 86 57