CANON CITY, COLORADO

Monthly Total Growing Degree Days

(051294)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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 z 0.00 z 70.78 a 0.00 z 277.97 a 438.50 f 707.50 639.00 375.50 124.00 a 10.50 2.50 2207.75
1894 0.50 0.00 33.00 138.50 332.00 487.00 663.50 620.50 364.00 197.50 44.00 0.00 2880.50
1895 1.50 0.00 34.50 139.50 229.00 419.00 568.00 714.00 484.00 114.00 8.00 0.50 2712.00
1896 0.00 0.00 26.50 167.00 308.00 604.50 742.00 706.00 434.00 93.00 31.00 8.00 3120.00
1897 0.00 i 0.00 26.41 d 110.89 b 399.00 607.00 731.50 676.83 a 559.00 233.05 c 69.00 13.00 3425.69
1898 3.10 a 2.50 1.79 e 143.00 234.00 572.50 747.00 790.50 544.82 b 129.50 31.00 0.00 3199.71
1899 0.00 0.00 17.50 153.50 302.50 580.00 722.00 796.50 555.00 164.00 34.00 2.00 3327.00
1900 0.50 0.00 52.50 59.00 320.50 601.50 687.50 677.50 392.00 188.50 19.50 3.50 3002.50
1901 1.50 0.00 12.00 114.00 281.50 532.00 795.50 727.50 382.00 157.00 22.50 3.50 3029.00
1902 3.50 0.50 1.50 111.00 354.43 a 596.50 655.50 729.50 386.00 157.00 16.00 7.50 3018.93
1903 3.50 0.00 9.50 97.50 163.27 a 365.50 675.50 633.50 376.00 112.50 17.50 4.50 2458.77
1904 3.00 20.00 39.27 a 102.50 223.50 424.00 630.50 631.50 425.50 124.00 17.50 2.00 2643.27
1905 0.00 0.00 30.50 72.50 222.50 575.50 639.00 694.50 484.50 119.50 37.24 a 0.00 2875.74
1906 7.00 4.87 e 15.50 156.92 d 373.50 582.00 605.50 655.00 452.50 169.50 53.00 24.50 3099.79
1907 4.00 37.00 141.50 114.50 201.50 547.00 781.50 735.00 524.50 257.50 26.00 1.50 3371.50
1908 0.00 4.50 76.00 180.50 266.00 583.50 745.00 686.50 537.50 176.50 69.83 a 1.00 3326.83
1909 21.50 4.00 13.00 91.00 629.30 a 0.00 z 838.50 814.00 476.50 216.00 100.50 3.50 3207.80
1910 14.43 b 4.00 144.15 a 194.00 306.00 0.00 z 760.50 654.50 471.50 214.50 75.00 0.00 a 2838.58
1911 22.50 10.00 35.50 113.50 320.00 635.50 679.42 a 671.50 510.00 139.00 6.00 2.00 3144.92
1912 0.00 0.00 0.50 52.00 320.00 446.50 684.00 664.50 268.00 126.00 32.50 0.00 2594.00
1913 0.00 2.00 20.00 164.50 368.50 521.50 709.00 779.50 365.50 141.50 46.50 0.00 3118.50
1914 8.00 1.00 42.00 89.00 296.50 554.50 679.50 662.00 461.79 b 165.85 a 45.00 a 0.00 a 3005.14
1915 0.00 a 2.50 0.00 115.00 c 188.67 b 398.50 596.23 a 221.50 q 375.52 a 161.00 63.50 8.00 1908.92
1916 0.50 2.00 92.50 77.00 200.00 473.00 771.50 655.50 372.50 98.50 24.50 5.50 2773.00
1917 0.00 12.00 13.00 44.00 121.50 439.00 768.28 a 571.95 a 445.50 94.00 h 51.00 23.50 2489.73
1918 11.00 11.93 a 62.50 34.50 275.00 669.00 680.50 662.88 a 315.50 209.25 a 35.50 5.50 2973.06
1919 0.00 2.00 10.00 86.00 264.00 504.50 770.00 742.00 491.50 79.05 a 13.97 a 3.10 a 2966.12
1920 14.98 a 2.00 8.50 24.50 267.50 511.00 695.00 575.00 370.00 175.50 0.00 z 2.50 2646.48
1921 0.00 12.50 74.00 95.00 463.50 609.50 758.00 710.70 d 26.50 y 0.00 z 0.00 z 0.00 z 2723.20
1922 0.00 v 115.50 261.00 121.00 323.00 694.00 799.00 823.00 541.55 a 260.00 11.50 18.00 3967.55
1923 49.00 0.00 26.50 143.50 349.50 591.50 760.50 642.50 391.00 80.00 18.00 4.50 3056.50
1924 0.00 28.50 0.00 82.00 207.50 610.50 722.50 737.00 437.50 170.50 53.00 15.50 3064.50
1925 0.50 9.00 47.50 155.00 409.50 569.50 778.21 b 643.50 498.00 117.50 3.00 2.50 3233.71
1926 0.00 8.00 22.50 111.50 345.00 600.00 713.50 733.50 482.50 266.50 22.00 14.39 c 3319.39
1927 18.50 0.00 15.50 144.50 404.00 516.00 719.50 588.50 446.00 227.50 56.00 0.00 3136.00
1928 13.00 0.00 34.50 51.43 b 328.00 458.50 706.50 673.50 467.50 184.00 19.50 31.00 2967.43
1929 15.00 2.00 80.00 167.50 335.50 658.00 822.50 762.50 433.00 0.00 z 0.00 z 43.50 j 3276.00
1930 0.00 z 0.00 z 0.00 z 369.50 434.50 741.50 817.50 731.50 462.00 141.50 46.50 0.00 3744.50
1931 2.00 0.50 12.00 158.00 302.00 732.50 860.50 766.00 633.50 277.50 76.50 0.50 3821.50
1932 0.50 59.50 27.50 152.50 384.00 535.50 863.00 769.50 544.04 d 296.00 31.50 3.00 3666.54
1933 0.00 0.00 1.00 56.00 294.00 712.50 851.50 700.00 629.00 0.00 z 81.50 34.00 3359.50
1934 5.00 22.00 47.50 195.00 560.50 659.50 886.50 787.00 405.00 298.00 86.00 7.00 3959.00
1935 14.00 24.50 52.00 87.50 167.50 591.00 851.50 783.50 519.00 245.00 38.50 0.00 3374.00
1936 0.50 14.00 41.50 213.50 411.50 705.50 872.50 774.50 501.00 188.00 33.50 2.00 3758.00
1937 0.00 7.50 9.00 124.50 382.50 598.00 844.00 0.00 z 539.50 241.50 49.50 20.50 2816.50
1938 4.00 8.00 46.00 150.50 300.50 576.50 745.00 800.00 523.50 255.50 17.50 4.00 3431.00
1939 1.50 0.00 66.00 178.00 356.00 482.00 763.50 660.50 531.50 201.50 12.00 51.00 3303.50
1940 0.00 z 0.00 p 54.52 b 108.00 330.00 635.50 828.00 674.00 528.00 277.50 23.00 20.50 3479.02
1941 0.00 1.00 17.50 64.50 393.00 561.50 749.50 732.50 462.50 184.50 83.00 33.50 3283.00
1942 3.50 1.56 a 11.50 180.50 378.50 601.50 804.50 754.00 481.50 237.50 102.50 17.00 3574.06
1943 32.50 37.50 71.50 288.50 297.50 629.50 852.50 827.50 479.50 190.00 28.00 2.00 3736.50
1944 0.00 5.50 3.00 34.50 386.50 576.00 750.50 785.00 486.00 231.95 c 37.50 3.50 3299.95
1945 7.50 14.00 55.00 115.50 402.00 461.50 738.50 750.50 492.50 318.27 a 47.07 a 6.20 a 3408.54
1946 0.00 a 14.00 60.50 269.48 a 218.50 666.00 796.18 a 705.00 507.50 148.50 11.38 a 23.00 3420.05
1947 2.00 15.56 a 17.00 84.50 347.50 549.50 793.50 784.50 594.00 324.50 0.00 7.50 3520.06
1948 15.50 b 3.50 14.00 146.50 367.00 557.31 d 768.50 731.50 557.00 206.50 26.00 7.50 3400.81
1949 0.00 3.00 11.00 173.50 310.50 511.00 778.00 728.00 488.50 147.25 a 135.00 0.50 3286.25
1950 16.00 26.00 16.50 120.50 253.00 594.00 672.00 693.00 409.00 384.00 8.50 8.50 3201.00
1951 9.00 24.89 a 5.00 80.00 331.50 462.00 807.00 756.50 469.50 167.29 b 14.50 6.00 3133.18
1952 2.00 0.00 4.50 109.00 346.50 739.50 775.50 755.50 533.50 255.50 13.00 1.00 3535.50
1953 31.50 12.00 48.50 99.00 267.00 630.00 817.00 686.50 533.50 223.50 65.00 0.00 3413.50
1954 2.50 f 19.50 8.50 151.00 299.00 612.93 a 866.00 750.50 573.50 227.00 84.00 11.50 3603.43
1955 0.00 0.00 47.50 187.50 346.50 502.00 845.00 793.50 529.50 281.50 29.50 0.00 z 3562.50
1956 0.00 z 0.50 65.10 a 81.00 460.00 742.00 743.50 687.00 566.00 262.50 23.50 1.50 3632.60
1957 3.00 28.50 4.00 44.50 199.50 513.50 780.50 743.50 436.50 185.47 b 13.00 0.00 2951.97
1958 0.00 13.00 1.00 74.50 448.98 a 625.00 746.00 774.50 520.00 256.00 48.00 19.00 3525.98
1959 4.50 4.00 12.50 168.00 341.50 691.00 771.00 785.00 434.50 137.50 48.50 6.00 3404.00
1960 0.00 0.00 63.00 176.50 319.50 651.00 767.50 786.50 568.00 249.00 38.50 3.50 3623.00
1961 2.50 18.50 16.50 134.50 384.50 632.50 736.50 701.50 328.00 185.00 17.50 1.50 3159.00
1962 5.00 45.50 18.50 205.00 409.50 532.00 723.50 803.50 516.50 301.50 48.50 22.50 3631.50
1963 0.00 56.50 65.00 167.00 444.00 647.00 897.45 a 714.00 616.50 402.50 47.00 4.00 4060.95
1964 3.50 0.00 7.00 120.50 386.50 564.00 880.00 713.00 469.50 253.00 38.00 29.50 3464.50
1965 4.50 6.00 5.50 173.50 343.50 531.50 785.50 648.50 348.50 283.50 65.50 35.00 3231.00
1966 2.00 0.00 80.00 125.00 423.00 634.00 850.00 628.50 481.00 232.00 55.00 7.50 3518.00
1967 8.00 10.50 90.50 132.00 255.00 445.50 718.50 653.00 436.00 270.00 63.00 0.00 3082.00
1968 5.50 2.00 40.00 62.50 264.50 695.00 729.50 622.00 0.00 z 257.00 19.50 2.00 2699.50
1969 4.50 0.00 11.50 114.00 342.50 404.50 849.00 831.50 502.50 78.00 64.50 23.50 3226.00
1970 3.00 22.50 14.50 76.50 364.50 555.00 885.50 856.00 426.00 117.00 21.00 4.50 3346.00
1971 28.00 0.50 49.00 99.50 257.50 683.50 758.00 646.00 395.00 169.50 44.00 13.50 3144.00
1972 9.00 31.50 121.00 215.50 371.00 710.00 774.50 757.50 495.00 229.50 0.00 z 3.50 3718.00
1973 2.50 3.00 5.50 66.50 268.00 607.00 747.00 787.00 348.50 219.00 36.00 17.71 c 3107.71
1974 22.00 0.00 48.00 113.50 428.00 641.00 827.00 666.50 336.96 b 220.50 26.50 0.00 e 3329.96
1975 0.00 a 0.00 a 25.00 119.00 319.00 572.07 a 787.00 801.00 399.00 174.50 26.50 f 15.00 3211.57
1976 0.00 24.34 a 33.14 b 83.00 266.50 555.00 717.50 0.00 z 0.00 z 0.00 z 0.00 i 0.00 z 1679.48
1977 0.00 z 0.00 z 0.00 b 172.00 410.00 665.50 765.00 678.00 460.50 253.00 45.60 e 16.50 3466.10
1978 0.00 0.50 41.50 69.00 240.50 502.50 706.50 546.00 404.00 0.00 z 0.00 z 0.00 z 2510.50
1979 0.00 q 9.50 q 2.50 j 156.00 245.93 a 578.50 802.50 715.77 c 567.50 302.00 5.00 8.86 c 3382.06
1980 2.50 13.46 a 9.82 a 150.50 239.50 715.34 a 945.50 a 819.00 468.50 227.00 100.71 b 55.80 a 3747.64
1981 8.00 46.00 17.50 269.50 270.73 a 449.50 j 807.00 699.00 550.50 163.50 g 84.44 c 38.00 2790.68
1982 0.00 0.00 z 0.00 z 45.50 n 254.50 422.00 780.50 741.00 422.50 133.50 6.50 4.00 2764.50
1983 1.00 2.00 32.50 70.50 207.00 449.00 792.00 787.00 518.00 169.00 69.00 0.00 a 3097.00
1984 0.00 0.00 3.00 36.50 385.50 552.50 803.50 731.00 0.00 z 0.00 z 0.00 z 4.50 2516.50
1985 2.00 o 0.50 23.00 136.50 298.50 530.50 681.00 627.50 354.50 125.50 7.50 0.00 2785.00
1986 7.50 24.50 77.50 112.50 233.50 537.50 718.00 650.00 330.50 94.00 12.00 0.00 2797.50
1987 0.00 0.50 0.00 z 0.00 z 293.50 566.50 691.50 592.50 383.00 154.50 35.00 12.50 2729.50
1988 1.00 6.00 33.00 124.00 327.50 646.00 721.50 721.50 397.50 192.00 35.50 0.50 3206.00
1989 4.50 3.50 93.00 185.50 286.00 442.00 721.00 626.50 404.00 182.50 49.66 a 5.00 3003.16
1990 3.50 0.50 19.50 97.50 203.00 595.00 635.00 604.00 501.00 163.00 78.50 4.50 2905.00
1991 0.00 3.50 20.50 73.50 315.00 560.00 692.50 665.50 373.50 230.00 17.50 0.00 2951.50
1992 0.00 7.50 15.00 162.00 333.50 425.00 626.50 589.00 418.50 211.00 5.00 0.00 2793.00
1993 0.00 1.50 33.50 75.00 292.00 495.50 684.00 605.50 319.50 133.50 2.50 0.00 2642.50
1994 0.00 3.00 55.00 121.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 179.50
1995 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 48.00 26.00 74.00
1996 7.00 43.50 10.00 143.00 416.00 621.00 793.00 695.50 419.00 215.00 29.50 14.00 3406.50
1997 18.00 9.00 57.87 a 77.50 297.00 593.50 782.00 707.50 525.50 211.50 11.50 0.00 3290.87
1998 0.00 0.00 31.00 59.00 378.50 504.50 786.00 736.50 609.50 175.50 67.50 30.00 3378.00
1999 8.00 18.50 40.30 a 79.29 b 264.00 508.00 791.50 708.00 387.00 207.18 a 132.00 10.00 3153.77
2000 2.50 14.50 23.00 154.14 a 398.50 588.21 b 815.00 141.50 z 0.00 z 0.00 z 0.00 z 0.00 z 1995.85
2001 0.00 z 0.00 z 21.00 118.00 345.00 627.50 847.00 742.50 496.50 177.50 49.00 0.00 3424.00
2002 0.00 4.00 11.50 146.50 314.50 711.50 814.50 708.00 442.50 70.00 9.00 0.00 3232.00
2003 0.50 5.00 31.00 138.50 339.00 444.50 872.50 790.00 370.00 260.50 8.50 2.00 3262.00
2004 0.00 6.00 76.00 91.50 375.00 497.50 672.00 586.50 450.50 118.50 26.00 2.00 2901.50
2005 11.50 1.50 8.00 76.00 292.50 550.00 828.00 684.00 487.00 183.50 48.50 1.00 3171.50
2006 11.50 6.50 15.50 165.00 367.50 684.00 795.50 677.50 0.00 z 161.00 34.00 3.00 2921.00
2007 0.00 0.00 76.50 70.50 308.00 550.50 766.50 799.50 458.50 227.00 63.50 0.00 3320.50
2008 0.00 0.00 8.00 70.00 258.00 539.00 822.00 664.50 401.50 193.00 68.50 7.00 3031.50
2009 11.50 1.50 61.50 98.00 324.00 494.00 698.00 621.00 384.00 67.50 37.50 0.00 2798.50
2010 0.00 0.00 23.50 93.00 222.50 622.00 780.00 718.00 504.00 202.00 34.50 0.00 3199.50
2011 2.50 5.00 23.50 95.50 220.00 582.50 826.50 812.00 448.50 185.00 11.00 1.00 3213.00
2012 10.50 0.00 95.50 158.00 349.00 715.50 829.00 705.00 449.50 146.50 50.50 17.50 3526.50
2013 1.50 0.00 28.50 4.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 30.00
Period of Record Statistics
MEAN 5.36 9.80 36.49 123.38 319.33 572.91 763.35 709.85 461.09 195.90 39.69 8.47 3218.35
S.D. 8.25 16.17 36.54 55.31 79.03 85.76 70.43 67.30 75.12 65.44 27.58 11.23 304.60
SKEW 2.49 3.35 2.63 1.16 0.51 -0.09 -0.21 -0.13 -0.02 0.38 1.02 1.88 0.15
MAX 49.00 115.50 261.00 369.50 629.30 742.00 945.50 856.00 633.50 402.50 135.00 55.80 4060.95
MIN 0.00 0.00 0.00 24.50 121.50 365.50 568.00 546.00 268.00 67.50 0.00 0.00 2458.77
NO YRS 109 113 116 116 118 114 118 114 112 109 110 113 86