ASPEN, COLORADO

Monthly Total Growing Degree Days

(050370)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197911
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
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 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
1902 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 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
1909 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
1910 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
1911 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
1912 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
1913 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
1914 0.00 a 0.00 0.00 4.14 a 109.00 116.50 f 333.50 301.50 181.50 2.50 0.00 0.00 932.14
1915 0.00 0.00 0.00 4.50 37.00 157.50 340.00 276.50 121.50 2.00 0.00 a 0.00 939.00
1916 0.00 0.00 0.00 1.03 a 29.21 e 183.10 a 367.50 245.79 c 105.00 b 13.00 0.00 0.00 944.64
1917 0.00 a 0.00 0.00 0.00 3.00 171.50 401.50 0.00 z 50.00 o 8.61 d 0.00 0.00 584.61
1918 0.00 0.00 0.00 0.00 25.32 a 311.50 330.50 305.00 85.50 32.50 0.00 0.00 1090.32
1919 0.00 0.00 0.00 8.00 56.32 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 64.32
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 z 0.00 z 0.00
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 211.67 c 485.50 436.50 122.00 33.00 0.00 0.00 1288.67
1935 0.00 0.00 0.00 1.50 14.50 210.50 396.50 380.00 154.50 23.00 0.00 0.00 1180.50
1936 0.00 0.00 a 0.00 3.00 129.00 318.50 451.50 360.50 163.50 1.79 e 0.00 0.00 1427.79
1937 0.00 0.00 0.00 7.50 76.50 227.00 364.50 379.00 189.00 9.00 0.00 0.00 1252.50
1938 0.00 0.00 0.00 7.00 35.00 193.50 314.50 360.50 136.50 25.00 0.00 0.00 1072.00
1939 0.00 0.00 0.00 3.00 34.50 125.50 406.00 310.50 135.00 0.00 0.00 0.00 1014.50
1940 0.00 0.00 0.00 1.11 c 55.50 265.50 445.00 340.50 151.00 0.00 0.00 0.00 a 1258.61
1941 0.00 0.00 0.00 0.00 47.00 121.00 299.50 292.50 111.50 8.00 0.00 0.00 879.50
1942 0.00 0.00 0.00 0.00 f 66.00 g 206.50 381.00 372.50 137.59 a 11.37 a 0.00 p 0.00 i 1108.95
1943 0.00 0.00 0.00 12.50 36.00 223.00 388.50 301.50 88.50 h 17.50 0.00 0.00 979.00
1944 0.00 0.00 0.00 0.00 23.00 160.00 355.50 341.00 184.50 11.00 0.00 a 0.00 1075.00
1945 0.00 0.00 0.00 0.00 26.50 101.00 330.00 298.50 117.50 9.50 0.00 0.00 883.00
1946 0.00 0.00 0.00 7.50 6.00 207.00 379.50 318.00 131.00 2.00 0.00 0.00 1051.00
1947 0.00 0.00 0.00 0.00 24.50 74.50 324.50 331.50 174.50 34.00 0.00 0.00 963.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 279.00 218.00 8.50 0.00 0.00 505.50
1949 0.00 a 0.00 0.00 12.00 36.00 128.50 326.50 256.00 105.50 14.50 g 0.00 0.00 864.50
1950 0.00 g 0.00 0.00 0.50 10.50 172.00 269.38 b 198.40 a 108.62 a 22.73 a 0.00 0.00 782.13
1951 0.00 0.00 0.00 0.00 53.00 85.50 368.50 265.57 a 97.00 2.58 a 0.00 0.00 872.15
1952 0.00 b 0.00 a 0.00 b 0.00 a 31.50 229.29 b 330.00 279.52 a 128.04 b 6.50 0.00 0.00 b 1004.84
1953 0.00 0.00 0.00 0.54 b 48.50 255.00 387.00 314.50 150.00 11.00 0.00 0.00 1166.54
1954 0.00 0.00 0.00 2.50 64.00 224.00 438.50 327.00 112.76 a 42.50 0.00 0.00 1211.26
1955 0.00 0.00 0.00 0.00 14.00 110.00 357.50 335.83 a 152.00 2.14 b 0.00 d 0.00 971.47
1956 0.00 0.00 0.00 0.00 74.00 261.00 311.03 a 217.50 181.55 a 22.00 0.00 0.00 1067.09
1957 0.00 a 0.00 0.00 0.00 16.00 128.00 316.00 308.00 81.50 29.00 0.00 0.00 878.50
1958 0.00 0.00 0.00 0.00 71.30 a 231.50 322.00 399.00 163.00 14.00 0.00 0.00 1200.80
1959 0.00 0.00 z 0.00 6.50 36.50 284.00 344.00 316.00 126.00 1.00 0.00 0.00 1114.00
1960 0.00 a 0.00 0.00 7.50 40.00 221.50 404.60 b 380.50 189.50 12.50 0.00 0.00 1256.10
1961 0.00 0.00 0.00 2.50 71.00 257.50 370.00 380.50 53.50 7.50 0.00 0.00 1142.50
1962 0.00 0.00 0.00 10.00 40.50 181.00 311.50 290.50 113.50 16.00 0.00 0.00 963.00
1963 0.00 0.00 0.00 0.50 47.00 155.50 427.00 318.00 218.50 54.50 0.00 0.00 1221.00
1964 0.00 0.00 0.00 0.00 83.50 168.00 467.50 273.00 112.50 15.00 0.00 0.00 1119.50
1965 0.00 0.00 0.00 3.50 52.50 158.50 378.00 284.50 67.50 15.00 0.00 0.00 959.50
1966 0.00 0.00 z 0.00 0.00 66.00 194.00 434.00 310.50 134.00 2.00 0.50 0.00 1141.00
1967 0.00 0.00 0.00 2.00 41.00 122.50 400.00 322.00 142.50 30.50 0.00 0.00 1060.50
1968 0.00 0.00 0.00 0.00 37.00 230.00 377.00 230.00 79.50 15.50 0.00 0.00 969.00
1969 0.00 0.00 0.00 9.00 96.21 b 119.00 426.50 447.50 143.50 2.07 a 0.00 0.00 1243.77
1970 0.00 0.00 0.00 0.00 55.00 209.48 a 391.50 397.00 87.00 7.50 0.00 0.00 1147.48
1971 0.00 0.00 0.50 0.00 23.50 237.00 414.00 392.15 a 103.00 17.50 0.00 0.00 1187.65
1972 0.00 0.00 0.00 0.00 z 59.00 251.00 405.50 354.95 a 109.50 24.05 b 0.00 0.00 1204.00
1973 0.00 0.00 0.00 a 0.00 39.50 200.00 330.50 347.00 121.00 20.50 0.00 0.00 1058.50
1974 0.00 0.00 0.00 4.50 77.00 290.00 374.58 a 288.50 117.50 18.50 0.00 0.00 1170.58
1975 0.00 0.00 0.00 0.00 37.00 139.50 375.32 c 346.00 130.50 28.00 0.00 0.00 a 1056.32
1976 0.00 0.00 a 0.00 0.00 33.00 213.00 441.50 292.00 145.00 c 10.85 a 0.00 0.00 1135.35
1977 0.00 b 0.00 0.00 b 2.00 51.50 338.50 437.50 389.00 153.50 g 11.88 a 0.00 0.00 q 1230.38
1978 0.00 r 0.00 n 0.00 z 0.00 z 0.00 z 250.50 i 465.50 340.00 203.00 11.50 0.00 a 0.00 1020.00
1979 0.00 0.00 0.00 h 2.68 b 78.57 b 233.28 a 437.00 0.00 z 210.50 50.00 0.00 a 0.00 z 1012.02
Period of Record Statistics
MEAN 0.00 0.00 0.01 2.70 46.92 197.85 378.69 323.10 135.56 15.53 0.01 0.00 1083.66
S.D. 0.00 0.00 0.07 3.56 26.32 62.09 50.20 53.24 39.19 12.76 0.07 0.00 131.40
SKEW 0.00 0.00 6.71 1.25 0.86 0.09 0.09 0.05 0.32 1.12 6.86 0.00 0.26
MAX 0.00 0.00 0.50 12.50 129.00 338.50 485.50 447.50 218.50 54.50 0.50 0.00 1427.79
MIN 0.00 0.00 0.00 0.00 3.00 74.50 269.38 198.40 53.50 0.00 0.00 0.00 872.15
NO YRS 48 47 48 47 48 48 50 49 48 50 50 48 37