HOLLY, COLORADO

Monthly Total Growing Degree Days

(054076)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200903
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
1894 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1895 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1896 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1897 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1898 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 0.00 n 0.00 z 124.50 427.50 726.00 858.50 900.50 538.00 280.00 15.50 0.00 3870.50
1901 0.00 5.00 20.00 164.00 377.00 751.00 953.77 a 849.92 a 592.50 d 246.50 18.62 a 0.00 a 3978.30
1902 0.00 1.50 13.00 191.50 511.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 717.50
1903 0.00 z 0.00 z 0.00 z 122.00 302.50 482.50 902.10 a 825.00 458.50 198.50 8.50 0.00 3299.60
1904 0.00 18.00 35.13 a 106.50 353.50 594.00 770.50 743.00 538.50 255.75 a 0.00 0.00 3414.88
1905 0.00 0.00 49.50 97.00 337.00 711.00 762.50 879.50 606.50 194.50 25.00 0.00 3662.50
1906 2.50 12.92 b 10.50 273.00 438.00 510.00 a 675.50 720.00 558.00 212.00 2.50 0.00 3414.92
1907 0.00 2.50 180.00 156.00 295.50 590.50 911.00 0.00 z 548.00 248.50 11.00 0.00 2943.00
1908 0.00 m 1.50 77.50 175.00 415.50 709.00 765.18 a 815.50 588.00 193.00 11.00 0.00 3751.18
1909 1.50 0.00 7.50 153.00 350.00 713.79 a 865.50 877.00 558.50 195.50 45.00 0.00 3767.29
1910 1.50 5.00 152.00 186.00 322.29 b 679.50 910.88 a 772.00 615.00 274.50 22.50 0.00 3941.18
1911 4.00 0.00 57.00 159.50 493.50 777.50 828.00 791.00 671.50 198.00 0.52 a 0.00 3980.52
1912 0.00 0.00 6.00 129.00 439.00 570.00 819.50 735.50 473.50 304.00 1.00 0.00 d 3477.50
1913 19.12 a 0.00 45.00 199.00 537.50 675.50 872.65 a 888.00 479.50 209.77 a 5.00 0.00 3931.03
1914 0.00 0.00 b 1.00 j 118.00 f 371.00 724.50 789.47 a 738.00 0.00 z 206.00 22.00 0.00 2850.97
1915 0.00 0.00 0.00 a 193.39 b 224.00 551.00 697.00 649.93 b 573.10 a 182.38 a 50.69 a 0.00 a 3121.50
1916 0.00 a 0.00 81.50 123.00 345.00 662.68 b 909.50 789.00 483.62 a 183.33 b 24.11 b 5.50 3607.23
1917 0.00 a 9.50 20.27 e 108.75 b 231.47 a 635.00 851.00 740.26 b 585.54 b 178.00 29.00 0.00 b 3388.78
1918 0.00 a 8.00 113.50 54.00 458.28 a 816.00 873.00 822.50 0.00 z 0.00 z 0.00 z 0.00 z 3145.28
1919 0.00 z 0.00 0.00 z 101.00 374.00 561.50 807.50 787.00 0.00 z 0.00 z 0.00 z 0.00 z 2631.00
1920 0.00 z 0.00 z 20.50 48.50 365.50 641.00 802.50 658.23 a 483.00 177.50 l 0.00 h 0.00 3019.23
1921 0.00 0.00 0.00 z 0.00 z 0.00 z 680.77 d 921.50 859.50 602.00 197.50 2.00 0.00 z 3263.27
1922 0.00 0.00 41.00 123.50 545.50 865.56 c 445.00 r 1039.50 801.00 281.00 12.00 0.00 a 3709.06
1923 0.00 0.00 1.50 246.50 370.50 715.50 521.00 o 0.00 z 478.89 c 130.50 7.50 2.50 1953.39
1924 0.00 1.00 0.00 132.00 221.50 677.00 802.00 864.50 469.50 283.50 34.50 0.00 3485.50
1925 0.00 0.50 96.00 226.00 467.00 827.00 891.50 789.00 566.00 102.00 2.50 0.00 3967.50
1926 0.00 1.00 2.00 120.00 405.00 677.50 830.50 857.50 603.00 262.00 2.00 0.00 3760.50
1927 1.00 1.00 37.00 202.50 527.50 646.50 813.00 693.00 568.50 267.00 30.50 0.00 3787.50
1928 0.50 2.00 53.00 127.50 414.50 495.50 801.50 762.50 499.00 233.50 12.50 0.00 3402.00
1929 0.00 0.00 23.50 181.00 348.00 670.00 878.00 807.00 462.50 228.00 0.00 0.00 3598.00
1930 0.00 6.50 15.50 a 262.00 346.50 695.77 d 890.00 828.00 498.50 201.00 9.00 0.00 3752.77
1931 0.00 0.00 7.50 138.00 300.00 778.00 883.00 803.50 730.50 302.50 10.50 0.00 3953.50
1932 0.00 21.50 26.00 214.00 459.50 606.00 938.50 856.50 466.50 151.50 15.00 0.00 3755.00
1933 0.00 0.00 67.00 114.50 362.50 810.50 891.50 784.50 681.00 209.00 5.50 2.00 3928.00
1934 0.00 6.00 34.00 161.00 584.00 807.93 a 1038.50 938.27 a 502.00 376.50 44.50 0.00 4492.70
1935 0.00 9.00 110.05 a 134.50 282.50 731.50 973.50 898.00 527.00 230.50 5.00 0.00 3901.55
1936 0.00 7.50 24.00 235.00 389.00 f 765.00 956.50 923.50 572.00 247.00 4.00 0.00 3734.50
1937 0.00 2.50 12.00 160.00 500.00 684.50 944.50 981.00 629.00 245.50 11.00 0.00 4170.00
1938 0.00 2.00 72.50 214.50 401.00 696.50 873.00 945.00 629.00 349.00 43.50 0.00 f 4226.00
1939 0.00 0.00 46.50 178.50 454.00 723.50 945.50 b 849.50 713.00 260.00 3.00 2.00 4175.50
1940 0.00 7.00 40.50 151.00 346.50 607.50 943.50 704.00 596.00 291.50 17.00 0.00 3704.50
1941 0.00 0.00 b 5.34 b 95.00 473.00 587.00 810.50 788.00 546.00 243.00 20.50 0.50 3568.84
1942 0.00 0.00 9.50 184.00 388.50 640.34 a 841.00 784.50 480.50 193.00 32.00 0.00 3553.34
1943 4.50 0.00 75.50 234.50 305.00 702.00 882.50 927.00 520.50 149.00 3.00 0.00 3803.50
1944 0.00 2.00 1.00 27.50 441.50 643.89 c 777.50 776.50 530.50 215.50 31.00 0.00 3446.89
1945 0.00 0.00 9.50 120.50 124.52 a 468.00 0.00 z 838.50 477.00 0.00 z 0.00 z 0.00 z 2038.02
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1947 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 540.00 f 843.50 808.50 597.00 145.00 7.22 c 6.50 2407.72
1949 0.00 0.00 e 10.00 173.00 455.50 674.40 e 872.81 b 0.00 z 0.00 z 92.00 g 38.00 0.00 a 2223.71
1950 0.00 1.50 18.00 137.50 465.50 827.50 788.00 731.50 535.00 401.00 25.00 2.00 3932.50
1951 0.00 7.50 10.00 130.00 398.00 556.00 868.00 856.00 487.00 63.50 z 0.00 n 0.00 3312.50
1952 0.00 0.00 20.00 154.00 465.00 914.50 901.00 900.00 594.50 207.50 36.50 0.00 4193.00
1953 6.00 3.00 105.50 154.50 418.00 884.50 946.00 823.50 632.50 271.50 30.50 0.00 4275.50
1954 0.00 10.00 17.50 318.50 412.50 907.50 1088.50 912.50 765.50 258.00 26.00 5.00 4721.50
1955 0.00 0.00 32.00 197.50 471.00 668.00 995.00 897.00 671.00 310.00 24.50 10.00 4276.00
1956 4.50 3.50 62.00 159.50 661.50 936.00 912.00 862.00 681.00 334.50 4.14 a 0.00 4620.64
1957 0.00 8.50 27.50 133.50 331.81 d 706.03 a 1028.50 929.50 468.00 208.00 4.50 0.00 3845.85
1958 0.00 9.00 0.00 75.50 514.00 704.44 c 785.00 876.30 c 426.00 g 199.00 27.50 0.00 3190.75
1959 0.00 0.00 8.50 148.00 407.50 765.00 825.00 878.00 454.00 106.50 2.50 0.00 3595.00
1960 0.00 0.00 34.50 193.45 a 360.50 655.00 632.50 f 794.00 530.00 190.00 8.00 0.00 2765.45
1961 0.00 4.50 14.98 a 97.50 367.50 686.50 864.26 b 780.68 a 351.00 103.85 a 9.11 b 0.00 3279.88
1962 0.00 22.50 17.29 e 182.00 508.50 598.00 837.00 856.50 443.50 222.50 12.00 0.00 3699.79
1963 0.00 19.00 72.50 200.50 487.22 a 760.50 971.00 863.00 634.50 369.50 5.50 0.00 4383.22
1964 0.00 0.00 0.00 c 137.00 471.00 642.00 975.00 799.00 490.34 a 169.00 19.00 4.28 b 3706.62
1965 4.00 0.00 a 2.50 159.00 428.00 568.50 927.50 744.50 367.50 170.00 15.50 4.00 3391.00
1966 0.00 0.00 34.00 98.00 409.00 733.00 938.50 673.00 457.00 110.00 0.00 0.00 3452.50
1967 0.00 0.00 60.00 f 191.50 279.50 606.50 804.00 708.00 420.50 209.00 2.00 0.00 3221.00
1968 2.50 0.00 34.00 95.50 249.00 693.00 818.50 748.50 487.50 208.50 11.50 0.00 3348.50
1969 0.00 0.00 0.00 190.00 416.00 519.50 903.00 807.00 553.00 103.00 6.50 0.00 3498.00
1970 1.00 9.00 5.00 117.00 497.50 654.50 868.00 881.50 394.50 97.50 8.28 a 0.00 3533.78
1971 2.00 3.00 33.50 146.00 326.50 771.50 812.50 758.50 419.00 193.00 10.50 0.50 3476.50
1972 0.00 5.00 88.00 192.00 371.50 720.00 815.50 771.50 485.00 230.50 1.00 0.00 3680.00
1973 0.00 0.00 9.50 62.59 a 358.50 672.50 811.00 860.00 387.50 198.50 14.00 0.00 3374.09
1974 0.00 0.00 61.50 166.00 457.00 708.00 943.00 703.00 354.00 222.50 3.00 0.00 3618.00
1975 0.00 0.00 20.00 145.50 353.00 607.00 849.50 842.50 468.50 209.00 20.00 0.00 3515.00
1976 0.00 4.00 27.50 160.00 308.50 648.50 847.00 764.00 431.50 111.50 2.00 0.00 3304.50
1977 0.00 a 4.00 25.00 211.55 a 537.00 786.50 949.00 807.50 619.50 196.50 15.00 0.00 4151.55
1978 0.00 0.00 59.50 189.00 378.50 698.00 905.00 712.48 a 503.50 164.50 20.50 0.00 3630.98
1979 0.00 6.50 28.50 219.23 d 339.93 b 632.59 a 875.00 730.50 599.00 224.20 c 0.00 2.07 a 3657.51
1980 0.00 0.00 6.20 a 145.50 294.50 a 793.50 1032.50 811.50 479.50 193.50 38.50 f 5.50 3762.20
1981 0.00 17.00 17.05 a 277.50 321.50 801.00 898.50 700.00 487.00 222.00 10.00 0.00 3751.55
1982 0.00 10.00 6.00 179.00 401.00 556.50 875.50 838.00 479.00 203.50 1.00 0.00 3549.50
1983 0.00 0.00 16.00 88.00 306.00 664.50 961.00 1049.00 641.00 242.00 65.50 0.00 4033.00
1984 0.00 4.50 14.00 40.50 377.50 704.00 847.50 838.50 562.50 108.50 23.00 0.00 3520.50
1985 0.00 2.50 42.37 a 256.50 423.50 672.93 a 841.00 813.50 491.50 0.00 z 2.50 0.00 z 3546.30
1986 4.50 14.00 a 67.00 185.17 a 360.50 644.00 832.50 719.00 449.00 73.00 0.00 0.00 3348.67
1987 0.00 0.00 0.00 z 138.50 358.50 584.50 835.00 721.00 441.50 118.50 20.50 0.00 3218.00
1988 0.00 0.00 33.50 96.50 367.00 699.00 816.50 796.00 459.00 215.00 35.00 0.00 3517.50
1989 3.50 4.67 a 91.50 238.00 466.50 574.50 879.00 792.00 486.50 225.50 21.50 0.00 3783.17
1990 1.00 0.00 37.00 246.50 323.50 804.00 835.50 812.50 594.00 222.00 34.50 0.00 3910.50
1991 0.00 0.00 41.00 136.50 498.50 754.00 876.50 789.00 458.00 218.50 0.00 0.00 3772.00
1992 0.00 3.00 41.00 233.00 426.50 594.00 780.50 672.00 546.00 217.00 0.00 0.00 3513.00
1993 0.00 0.00 36.00 129.00 377.00 668.00 869.00 770.50 410.50 161.50 0.00 1.00 3422.50
1994 0.00 0.00 39.50 162.50 468.00 822.00 805.50 825.00 530.00 198.50 35.50 0.00 3886.50
1995 0.00 13.00 72.00 91.00 225.00 598.50 799.00 936.00 513.00 171.00 26.50 2.50 3447.50
1996 0.00 9.50 21.00 153.50 462.00 716.50 798.50 748.50 470.50 209.50 8.00 0.00 3597.50
1997 1.00 0.00 42.50 86.50 335.50 665.00 878.50 738.50 530.50 193.50 2.00 0.00 3473.50
1998 0.00 3.50 38.00 79.00 466.50 613.50 910.50 774.00 640.50 166.50 12.00 6.00 3710.00
1999 0.00 0.50 22.00 101.50 316.00 636.00 884.50 792.50 419.50 147.00 43.00 0.00 3362.50
2000 0.00 5.18 a 19.63 a 137.50 446.50 639.50 872.13 a 901.00 555.50 204.50 0.50 0.00 3781.95
2001 0.00 0.00 6.50 189.50 357.50 633.00 985.00 877.82 a 512.50 171.50 50.00 1.50 3784.82
2002 0.00 6.00 15.50 228.00 423.00 845.00 923.50 838.00 525.00 112.00 7.50 0.00 3923.50
2003 0.00 2.00 50.00 183.50 408.00 580.00 967.50 858.50 417.00 252.00 6.50 0.00 3725.00
2004 0.00 2.00 64.00 156.50 497.00 603.00 714.00 637.00 532.50 182.00 16.00 0.00 3404.00
2005 0.00 0.00 12.50 102.00 395.00 630.00 862.00 777.00 630.00 221.50 37.50 0.00 3667.50
2006 2.00 2.00 38.00 211.00 458.00 768.00 902.50 772.00 348.50 159.50 19.50 0.00 3681.00
2007 0.00 0.00 77.00 97.00 382.50 608.00 840.50 918.50 597.00 231.00 25.00 1.00 3777.50
2008 0.00 0.00 28.00 91.50 364.00 681.00 568.00 j 758.00 450.00 184.50 39.00 0.00 2596.00
2009 0.00 1.50 62.00 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 63.50
Period of Record Statistics
MEAN 0.65 3.41 36.35 156.19 396.63 683.28 871.73 812.00 529.11 209.89 16.02 0.64 3724.38
S.D. 2.20 5.07 33.14 55.30 85.17 94.52 72.63 79.42 89.18 61.95 14.43 1.71 310.80
SKEW 6.24 1.89 1.64 0.24 -0.07 0.31 0.20 0.32 0.46 0.45 0.96 3.18 0.95
MAX 19.12 22.50 180.00 318.50 661.50 936.00 1088.50 1049.00 801.00 401.00 65.50 10.00 4721.50
MIN 0.00 0.00 0.00 27.50 124.52 468.00 675.50 637.00 348.50 73.00 0.00 0.00 3121.50
NO YRS 103 104 100 104 104 105 101 103 101 99 100 100 82