WESTCLIFFE, COLORADO

Monthly Total Growing Degree Days

(058931)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1895 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 565.00 632.00 487.50 124.50 5.00 0.00 1814.00
1896 4.00 0.00 45.50 170.00 g 412.50 582.93 a 674.25 c 636.50 486.00 182.50 43.39 b 4.00 3071.57
1897 0.00 3.00 26.50 124.00 353.50 488.00 609.50 641.50 517.50 153.00 0.00 z 9.09 b 2925.59
1898 0.00 0.00 1.00 160.34 a 284.50 594.50 755.88 a 149.00 y 0.00 z 138.39 c 44.00 0.00 1978.62
1899 0.00 0.00 22.45 b 96.72 a 283.00 543.00 631.00 682.00 482.50 125.00 20.00 0.00 2885.67
1900 0.00 0.00 30.50 18.50 287.50 542.00 685.00 677.50 393.00 176.00 26.50 0.00 2836.50
1901 0.00 3.11 a 6.00 73.00 237.50 521.00 746.00 652.50 392.50 158.50 35.50 3.00 2828.61
1902 0.00 6.00 2.00 134.00 324.50 601.50 635.50 a 650.50 366.00 166.50 32.50 4.00 2923.00
1903 0.00 0.00 21.50 34.50 l 170.00 377.07 a 633.50 l 0.00 z 150.00 m 133.19 d 46.50 0.00 748.25
1904 0.00 34.50 47.00 82.00 309.48 a 425.00 652.00 650.50 458.00 169.50 6.50 1.00 2835.48
1905 0.00 0.00 13.50 70.50 142.00 k 605.00 623.32 c 649.50 493.00 126.07 a 8.00 0.00 2588.89
1906 9.50 5.00 10.00 j 106.50 328.00 579.00 592.50 608.50 410.89 b 10.00 q 41.50 19.00 2700.39
1907 4.00 8.50 123.50 119.00 170.00 481.00 688.50 666.50 432.50 181.00 14.00 0.00 2888.50
1908 0.00 n 0.00 z 57.50 77.00 207.50 552.00 664.50 648.50 441.00 143.50 0.00 0.00 2791.50
1909 12.50 l 0.00 6.50 83.00 190.50 577.50 782.00 702.00 379.00 205.50 61.00 0.00 2987.00
1910 3.00 3.50 80.50 136.50 284.00 577.50 770.98 d 658.00 561.50 241.50 38.00 6.00 3360.98
1911 23.25 a 0.00 a 41.33 a 112.50 382.50 0.00 z 657.41 b 658.50 547.00 71.00 n 0.00 0.00 2422.50
1912 5.50 0.00 5.00 60.52 a 302.00 447.00 696.00 651.50 294.50 136.50 34.50 0.00 l 2633.02
1913 0.00 0.50 25.50 0.00 z 317.00 419.00 571.50 604.00 305.50 113.50 40.00 0.00 2396.50
1914 2.00 3.00 14.93 d 98.50 365.50 584.00 690.50 639.00 499.50 144.50 15.50 0.00 3056.93
1915 0.00 3.50 4.00 120.50 245.00 534.50 675.00 583.50 463.00 156.00 46.50 0.00 2831.50
1916 2.00 3.35 c 64.50 119.50 314.00 567.50 761.00 676.00 396.50 179.00 25.50 1.50 3110.35
1917 0.00 10.00 9.50 52.50 167.00 515.00 738.32 a 558.57 d 434.50 118.00 0.00 9.00 2612.39
1918 0.00 7.00 49.00 64.00 354.00 691.00 758.50 712.00 473.00 276.50 28.50 12.00 3425.50
1919 0.00 0.00 17.50 146.00 407.50 612.50 796.00 754.00 615.50 179.50 19.14 a 0.00 3547.64
1920 0.00 0.00 4.50 74.50 380.00 581.50 779.00 647.00 0.00 z 0.00 z 76.00 0.00 z 2542.50
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 124.00 l 38.57 b 15.00 53.57
1922 0.00 a 22.50 20.50 66.72 a 294.50 a 626.00 786.37 a 814.50 0.00 z 0.00 z 0.00 z 0.00 z 2631.09
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 18.00 l 10.50 151.50 370.50 559.50 835.00 777.00 496.61 b 282.50 29.50 0.00 3512.61
1933 0.00 0.00 23.00 55.00 280.00 695.00 791.00 699.00 631.00 253.00 25.00 11.50 3463.50
1934 0.50 6.50 61.00 190.50 493.50 601.00 873.50 801.00 450.00 0.00 z 48.50 2.50 3528.50
1935 14.00 14.00 50.50 146.00 253.50 613.00 770.00 771.00 472.00 242.00 15.00 0.00 3361.00
1936 0.50 13.50 33.50 191.00 426.25 a 669.50 772.00 718.00 455.50 171.50 12.00 0.00 3463.25
1937 0.00 18.50 3.50 116.50 381.50 583.00 787.00 802.50 529.14 a 193.00 45.00 20.84 b 3480.48
1938 1.00 17.00 51.00 183.00 312.00 596.50 700.50 762.50 473.28 a 242.50 8.50 0.00 3347.78
1939 0.00 0.00 21.00 h 188.79 a 377.50 455.50 g 791.50 697.50 600.00 214.79 c 21.50 16.07 d 2907.65
1940 0.00 8.50 45.00 124.00 365.50 576.43 b 768.36 c 648.50 508.97 a 242.83 a 32.59 a 6.50 3327.17
1941 0.00 0.00 b 0.50 58.00 369.93 a 453.00 653.00 484.50 g 432.50 176.00 23.50 0.00 z 2166.43
1942 0.00 0.00 0.00 96.50 326.53 a 564.31 a 707.00 688.89 d 428.04 b 135.88 a 46.07 b 5.68 a 2998.91
1943 5.17 a 4.15 a 50.00 213.62 a 289.69 b 571.11 c 747.00 596.00 f 433.00 111.82 c 8.50 0.00 2434.06
1944 0.00 0.00 5.00 21.50 326.00 581.00 678.00 707.00 468.00 173.50 41.00 0.00 3001.00
1945 0.00 0.00 6.50 69.50 308.00 468.50 707.00 732.00 447.50 202.00 23.50 0.00 2964.50
1946 0.00 1.00 24.00 195.00 215.00 625.00 747.50 682.50 490.00 168.00 3.00 3.00 3154.00
1947 0.00 0.00 11.50 75.50 340.00 479.48 a 723.50 672.50 497.50 259.00 6.00 0.00 3064.98
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 674.80 c 522.12 d 147.25 a 5.00 f 10.50 1354.67
1949 0.00 0.00 14.00 138.00 312.00 518.79 a 567.00 f 627.20 c 480.58 d 168.29 c 68.00 0.00 2326.85
1950 21.50 11.85 b 17.10 b 126.50 h 257.50 563.50 453.00 i 427.50 h 420.60 e 351.16 b 45.54 b 2.50 l 1688.74
1951 0.50 h 19.00 24.05 b 89.50 300.18 a 441.35 d 786.00 529.50 g 418.20 e 128.98 c 2.00 2.67 b 2211.94
1952 0.00 a 0.00 6.41 b 74.48 a 281.07 a 651.72 a 686.43 c 426.00 k 342.00 f 118.00 f 4.00 0.00 b 1704.12
1953 8.27 a 0.00 a 32.03 a 76.11 c 242.50 616.67 c 706.00 444.00 h 263.00 k 163.30 c 12.00 0.00 a 1856.88
1954 4.13 a 14.50 12.83 b 168.10 a 255.00 h 568.45 a 743.40 e 349.50 n 489.64 b 298.08 e 18.50 3.74 b 2321.38
1955 0.00 0.00 b 11.76 b 146.00 265.64 b 479.48 a 715.77 c 664.43 a 463.39 b 184.50 26.50 38.50 2995.97
1956 11.00 2.23 c 36.00 53.00 382.69 b 631.03 a 622.14 b 596.50 487.00 176.18 a 6.00 0.00 3003.78
1957 0.00 12.50 12.00 59.42 d 172.50 474.00 695.50 637.57 a 325.71 b 211.12 b 6.72 a 0.50 2607.55
1958 0.00 c 2.00 2.50 28.00 348.48 b 594.31 a 663.73 c 705.50 460.38 d 178.25 a 21.00 g 12.50 2995.66
1959 0.00 1.00 12.00 128.00 332.50 608.00 523.00 g 674.52 b 408.00 75.50 18.00 0.00 2257.52
1960 0.00 0.00 28.00 174.50 204.00 h 578.00 640.00 702.00 469.00 145.00 36.43 b 1.00 2773.93
1961 0.00 5.19 a 13.50 98.50 327.50 545.17 a 648.00 664.00 344.00 98.00 3.00 3.50 o 2746.86
1962 0.00 21.00 9.00 145.00 298.63 a 484.00 670.00 680.00 456.00 225.00 6.50 0.00 a 2995.13
1963 3.50 20.50 40.00 115.34 a 359.60 a 597.86 b 773.50 695.12 e 429.00 g 314.65 a 23.50 0.00 2943.57
1964 0.00 0.00 0.00 77.00 325.00 503.50 767.52 b 654.50 321.50 j 163.00 18.00 14.00 g 2508.52
1965 0.00 1.50 i 4.00 g 111.50 273.00 475.50 729.61 c 595.00 253.50 f 170.50 21.50 2.00 2378.61
1966 0.00 0.00 34.62 a 95.56 c 322.63 d 531.50 811.88 b 679.23 c 344.50 g 169.43 b 32.07 a 7.75 c 2684.66
1967 6.50 n 0.00 a 67.00 131.50 262.00 507.50 749.50 572.93 d 407.40 e 229.73 c 42.00 0.00 2969.56
1968 0.00 0.00 4.43 c 29.48 a 234.50 589.00 698.53 a 617.50 390.00 d 220.00 5.00 q 0.00 2783.44
1969 8.27 a 2.50 8.50 134.46 b 386.00 455.17 a 766.96 d 755.37 a 482.68 b 77.00 5.17 a 0.00 3082.08
1970 2.50 13.42 d 3.50 33.50 333.25 a 550.80 e 749.00 754.73 e 233.00 i 88.50 16.50 f 6.41 b 2535.61
1971 12.40 a 0.00 28.50 60.50 f 230.12 e 545.00 674.00 635.00 343.27 d 149.66 b 18.10 a 10.13 e 2646.18
1972 0.00 d 5.18 a 51.50 134.00 257.19 d 568.00 694.00 432.00 h 370.00 g 184.21 e 0.00 0.00 1894.08
1973 0.00 0.00 0.00 h 42.93 a 251.58 e 504.44 c 472.50 i 646.00 382.78 c 193.15 e 105.58 d 6.31 d 2132.78
1974 0.00 0.00 79.00 95.50 408.00 472.00 h 688.89 d 602.12 e 354.00 211.50 4.82 b 0.00 2443.83
1975 0.00 8.00 3.50 93.75 b 245.50 447.00 656.54 c 519.50 f 246.00 h 215.50 26.00 0.55 c 1696.34
1976 1.00 2.50 23.50 96.43 b 280.72 d 497.14 b 698.03 b 568.50 290.00 g 100.00 2.50 0.00 2270.33
1977 0.00 0.00 b 11.37 a 117.00 345.65 a 602.00 742.00 711.89 c 401.00 f 180.46 c 31.50 i 15.50 2725.87
1978 0.50 4.50 41.16 b 146.00 273.66 b 483.50 f 826.31 b 645.66 b 476.50 174.50 46.61 b 0.00 2635.38
1979 0.00 d 10.89 a 5.50 151.61 b 302.00 526.00 694.29 b 600.00 439.00 238.00 0.00 0.00 b 2967.29
1980 4.50 1.50 6.00 61.07 b 253.00 632.00 770.00 687.50 443.33 c 126.50 71.00 29.93 b 3086.34
1981 0.00 d 16.07 a 10.00 285.00 a 305.50 681.21 a 769.63 e 631.92 e 501.00 231.39 c 64.00 6.50 3502.23
1982 3.00 7.50 43.00 110.50 257.50 473.50 688.50 713.00 b 445.00 128.50 12.50 6.00 2888.50
1983 0.00 2.00 14.50 83.50 181.50 430.50 752.50 701.50 502.50 133.00 37.00 0.00 a 2838.50
1984 0.00 0.00 0.00 28.00 424.50 506.00 768.50 648.00 448.00 107.50 27.50 14.00 2972.00
1985 0.00 0.00 b 20.00 116.50 323.50 550.71 b 671.50 654.00 372.50 128.00 18.00 e 0.00 2854.71
1986 7.00 24.00 41.50 113.79 a 276.50 527.00 677.00 659.00 418.50 100.00 22.00 0.00 2866.29
1987 0.00 1.00 0.00 134.50 278.00 560.50 709.00 633.00 340.50 158.50 23.50 4.50 2843.00
1988 0.00 0.00 22.00 114.83 a 269.50 622.00 696.00 698.00 377.50 183.50 53.00 0.00 3036.33
1989 0.00 5.70 a 87.50 189.50 371.00 502.00 689.50 471.00 g 441.50 167.50 25.50 0.00 2479.70
1990 0.00 0.00 24.00 106.50 273.50 616.50 646.00 582.50 508.50 183.00 20.00 0.00 2960.50
1991 0.00 0.00 21.00 62.50 326.00 520.50 435.50 i 622.00 373.50 201.00 0.00 0.00 2126.50
1992 0.00 0.00 0.00 170.00 310.50 441.50 592.50 536.50 406.50 194.50 0.00 0.00 2652.00
1993 0.00 0.00 11.50 89.50 276.00 512.50 666.50 608.63 a 339.50 123.00 2.50 0.00 2629.63
1994 0.00 0.00 40.50 114.50 335.00 641.00 642.00 420.50 k 409.50 100.00 36.00 0.00 2318.50
1995 0.50 0.50 43.00 45.00 142.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.00 9.00 262.50
1996 3.50 19.00 13.00 113.50 452.00 528.00 717.50 639.50 355.00 161.00 39.50 9.50 3051.00
1997 8.00 2.50 43.50 49.00 253.00 520.00 681.00 629.50 513.00 177.00 2.00 0.00 2878.50
1998 0.00 0.00 38.50 57.50 342.50 538.50 713.00 639.50 524.50 140.50 41.50 11.50 3047.50
1999 8.50 4.00 52.50 59.00 273.50 493.50 727.00 650.50 383.00 156.50 28.00 6.50 2842.50
2000 18.00 12.50 5.50 169.00 395.00 551.00 718.50 715.00 469.50 129.50 0.00 0.00 3183.50
2001 0.00 2.00 10.50 174.50 323.50 564.50 757.00 624.50 441.00 183.00 27.00 3.50 3111.00
2002 0.00 1.00 26.50 182.50 329.00 681.50 742.00 659.50 456.50 75.50 3.50 0.00 3157.50
2003 0.00 5.50 17.50 135.50 357.00 490.00 770.50 678.00 361.00 237.00 25.50 1.50 3079.00
2004 0.00 1.50 79.00 100.50 350.50 495.00 630.50 565.00 410.00 144.50 19.00 0.00 2795.50
2005 7.00 0.00 7.50 83.50 336.50 529.00 741.00 605.50 483.50 183.00 68.00 6.50 3051.00
2006 0.00 10.00 31.50 179.00 346.50 595.50 732.50 636.00 0.00 z 136.00 28.50 1.00 2696.50
2007 0.00 0.00 69.50 112.00 306.00 541.50 716.50 728.00 479.50 225.00 19.00 0.00 3197.00
2008 0.00 0.00 27.50 89.50 270.00 534.50 706.50 649.00 402.50 197.00 34.50 1.50 2912.50
2009 3.00 15.00 58.50 107.00 393.50 501.50 692.00 643.50 404.00 116.50 48.50 0.00 2983.00
2010 0.00 0.00 27.00 118.50 303.50 611.00 745.50 719.00 524.00 200.50 26.00 19.50 3294.50
2011 0.00 0.00 73.50 122.00 287.50 605.50 834.50 764.50 426.00 163.00 17.00 0.00 3293.50
2012 5.50 0.50 124.50 0.00 z 388.50 677.50 768.00 0.00 z 433.50 190.00 37.50 19.00 2644.50
2013 3.50 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 z 3.50
Period of Record Statistics
MEAN 2.15 4.66 27.84 109.34 308.06 550.41 714.68 665.55 445.69 173.35 25.83 4.10 3042.61
S.D. 4.48 6.93 25.60 48.22 65.00 66.12 60.18 55.86 64.65 51.85 19.87 6.88 232.81
SKEW 2.78 1.78 1.44 0.54 -0.09 -0.06 -0.10 0.42 0.18 0.68 0.99 2.37 0.39
MAX 23.25 34.50 124.50 285.00 493.50 695.00 873.50 814.50 631.00 351.16 105.58 38.50 3547.64
MIN 0.00 0.00 0.00 18.50 142.50 377.07 565.00 536.50 294.50 75.50 0.00 0.00 2607.55
NO YRS 102 104 102 100 103 101 100 93 91 101 102 102 57