ASPEN, COLORADO

Monthly Total Growing Degree Days

(050370)

Base Temperature = 40 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 1.50 8.50 105.52 a 358.50 334.00 f 643.50 611.50 454.00 133.00 19.00 0.00 2335.02
1915 0.00 0.00 5.00 133.50 214.50 410.00 650.00 586.50 378.00 138.50 40.86 a 0.00 2556.86
1916 0.00 0.00 16.00 94.66 a 207.46 e 472.24 a 677.50 555.79 c 375.00 b 143.50 30.00 0.00 2572.14
1917 0.00 a 0.00 7.00 33.00 106.00 443.50 711.50 0.00 z 195.00 o 136.06 d 32.50 0.00 1469.56
1918 0.00 0.50 4.00 44.50 248.52 a 609.50 640.50 615.00 355.50 215.50 6.50 0.00 2740.02
1919 0.00 0.00 5.00 105.50 304.32 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 414.82
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 469.44 c 795.50 746.50 378.00 232.00 29.00 0.00 2650.44
1935 0.00 3.00 0.50 55.50 175.00 503.50 706.50 690.00 430.00 196.00 7.00 0.00 2767.00
1936 0.00 0.00 a 0.00 156.50 394.50 599.50 761.50 670.50 420.50 159.17 e 2.50 0.00 3164.67
1937 0.00 0.00 0.00 67.00 341.00 487.00 674.50 689.00 472.00 177.00 10.00 0.00 2917.50
1938 0.00 0.00 0.50 124.00 223.50 492.50 624.50 670.50 434.50 201.50 12.00 0.00 2783.50
1939 0.00 0.00 0.50 91.00 286.50 390.00 716.00 620.50 413.00 107.00 5.00 1.00 2630.50
1940 0.00 0.00 11.50 88.89 c 329.50 551.50 755.00 650.50 443.00 88.50 0.00 0.00 a 2918.39
1941 0.00 0.00 2.00 19.50 291.00 384.50 609.50 602.50 360.00 141.50 7.50 4.00 2422.00
1942 0.00 0.00 0.00 62.00 f 252.50 g 505.00 691.00 682.50 414.83 a 169.47 a 0.00 p 0.00 i 2462.79
1943 0.00 0.00 6.50 114.00 213.50 489.50 698.50 609.50 307.50 h 158.50 2.50 0.00 2292.50
1944 0.00 0.00 0.00 10.00 221.00 444.00 665.50 650.50 484.50 163.00 27.93 a 0.00 2666.43
1945 0.00 0.00 0.00 25.00 246.00 352.50 640.00 608.50 367.50 175.50 12.50 0.00 2427.50
1946 0.00 0.00 2.50 164.50 162.50 493.50 689.50 628.00 403.00 98.50 1.00 7.00 2650.00
1947 0.00 0.00 0.00 36.50 253.50 334.00 634.50 641.50 457.50 233.00 7.00 0.00 2597.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 589.00 515.00 171.50 0.00 3.00 1278.50
1949 0.00 a 0.00 5.00 115.00 260.50 410.00 636.50 566.00 391.50 97.00 g 13.50 0.00 2398.00
1950 0.00 g 0.00 0.00 41.00 157.00 454.00 579.38 b 508.40 a 367.76 a 280.55 a 37.00 0.00 2425.09
1951 0.00 0.00 0.50 41.00 277.50 345.00 678.50 575.57 a 372.50 104.37 a 0.00 0.00 2394.93
1952 0.00 b 0.00 a 0.00 b 64.66 a 250.00 529.29 b 640.00 589.52 a 424.29 b 191.50 11.50 0.00 b 2700.74
1953 0.00 0.00 12.00 41.25 b 201.00 552.50 697.00 624.50 450.00 165.00 26.50 0.00 2769.75
1954 0.00 0.00 8.00 139.00 318.00 501.50 748.50 637.00 406.55 a 212.50 7.00 0.00 2978.05
1955 0.00 0.00 0.00 44.50 199.00 369.50 667.50 645.83 a 430.50 165.69 b 0.00 d 2.50 2525.02
1956 0.00 0.00 3.50 55.50 333.50 561.00 621.03 a 526.50 480.00 a 201.50 0.00 0.00 2782.53
1957 0.00 a 0.00 3.00 34.50 154.50 401.00 626.00 618.00 348.00 161.00 6.50 0.00 2352.50
1958 0.00 0.00 0.00 29.00 309.48 a 531.50 632.00 709.00 438.50 173.00 17.00 1.50 2840.98
1959 0.00 0.00 z 12.50 97.50 253.50 584.00 653.00 626.00 356.50 73.00 7.00 0.00 2663.00
1960 0.00 a 0.00 5.00 110.00 257.50 519.50 714.60 b 689.00 482.50 163.00 12.00 0.00 2953.10
1961 0.00 0.50 2.50 60.50 297.00 554.50 680.00 690.50 251.50 126.50 0.00 0.00 2663.50
1962 0.00 14.50 0.00 126.50 230.00 463.00 621.50 600.50 387.00 183.50 2.00 0.00 2628.50
1963 0.00 1.50 13.50 75.50 331.50 450.50 737.00 628.00 518.50 295.00 12.50 0.00 3063.50
1964 0.00 0.00 0.00 38.50 275.50 457.50 777.50 578.00 393.00 208.50 12.00 4.50 2745.00
1965 0.00 0.00 0.00 75.00 245.00 454.50 688.00 594.50 296.50 220.50 16.00 0.00 2590.00
1966 0.00 0.00 z 14.00 82.00 325.50 491.00 744.00 620.50 427.00 125.50 22.00 0.00 2851.50
1967 0.00 0.00 30.50 83.50 222.00 414.00 710.00 632.00 419.50 196.00 32.50 0.00 2740.00
1968 0.00 0.00 3.50 14.50 214.50 513.00 687.00 537.50 332.00 197.00 2.50 0.00 2501.50
1969 0.00 0.00 3.50 106.00 379.48 b 387.00 736.50 757.50 428.50 44.95 a 0.00 0.00 2843.43
1970 0.50 0.00 0.00 14.00 289.50 489.31 a 701.50 707.00 334.50 71.50 9.50 0.00 2617.31
1971 0.00 0.00 25.00 83.00 208.50 536.50 724.00 702.15 a 335.00 156.50 7.50 0.00 2778.15
1972 0.00 0.50 27.50 0.00 z 271.50 551.00 715.50 664.95 a 403.50 192.41 b 0.00 0.00 2826.86
1973 0.00 0.00 0.00 a 19.00 256.50 456.00 640.50 657.00 379.50 204.50 54.50 0.00 2667.50
1974 0.00 0.00 18.50 64.50 355.00 566.50 684.58 a 598.50 388.00 213.00 0.00 0.00 2888.58
1975 0.00 0.00 2.00 42.50 206.50 414.00 685.32 c 656.00 403.00 188.00 20.50 0.00 a 2617.82
1976 0.00 0.00 a 0.00 65.00 281.00 499.00 751.50 602.00 423.33 c 119.87 a 11.50 0.00 2753.20
1977 0.00 b 0.00 0.00 b 151.50 314.00 638.50 747.50 699.00 383.00 g 181.35 a 48.50 5.50 q 2780.35
1978 0.00 r 0.00 n 0.00 z 0.00 z 0.00 z 460.50 i 775.50 650.00 460.00 193.50 47.07 a 0.00 2126.07
1979 0.00 2.50 2.00 h 96.43 b 275.26 b 492.93 a 747.00 0.00 z 502.50 257.50 0.00 a 0.00 z 2374.12
Period of Record Statistics
MEAN 0.01 0.52 5.41 74.04 260.97 479.57 688.67 632.84 408.07 170.11 13.79 0.49 2708.37
S.D. 0.07 2.18 7.62 41.33 62.42 71.57 50.21 53.46 55.00 50.99 14.32 1.40 184.05
SKEW 6.71 5.86 1.76 0.36 -0.07 -0.04 0.09 0.04 -0.25 -0.10 1.18 3.16 0.25
MAX 0.50 14.50 30.50 164.50 394.50 638.50 795.50 757.50 518.50 295.00 54.50 7.00 3164.67
MIN 0.00 0.00 0.00 10.00 106.00 334.00 579.38 508.40 251.50 44.95 0.00 0.00 2352.50
NO YRS 48 47 48 47 48 48 50 49 48 50 50 48 37