ROCKY FORD 2 SE, COLORADO

Monthly Total Growing Degree Days

(057167)

Base Temperature = 50 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
1893 9.50 0.00 30.00 122.50 313.50 698.00 788.00 679.00 466.00 130.00 6.11 c 0.00 3242.61
1894 0.00 b 0.00 43.50 145.50 425.00 578.79 a 774.50 720.00 425.00 168.00 9.50 9.00 3298.79
1895 0.00 0.00 46.00 164.00 335.50 553.50 647.00 682.00 548.50 110.50 0.00 0.00 3087.00
1896 0.00 0.00 48.50 175.00 401.00 695.00 782.50 778.50 486.67 c 103.00 6.50 0.00 3476.67
1897 0.00 0.00 10.00 98.50 0.00 z 0.00 z 0.00 z 381.50 l 588.00 226.00 17.50 0.00 940.00
1898 0.00 0.00 15.00 148.00 285.50 584.50 753.50 755.50 359.50 94.00 20.00 0.00 3015.50
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 18.00 65.50 362.18 a 658.50 745.50 736.00 457.00 194.50 4.50 0.00 3241.68
1901 0.00 0.00 10.50 141.50 352.00 660.50 902.00 781.50 470.00 170.00 14.50 0.00 3502.50
1902 0.00 5.00 5.00 158.00 431.00 646.00 739.50 794.63 a 350.00 142.00 24.00 0.00 3295.13
1903 2.50 0.00 a 19.50 150.50 283.50 457.00 794.50 751.50 421.50 106.00 6.50 0.00 2993.00
1904 0.00 23.50 19.00 106.00 292.00 490.50 708.00 688.00 479.00 195.41 c 7.00 0.00 3008.41
1905 0.00 0.00 13.43 a 75.00 292.00 670.00 699.00 762.00 485.00 121.00 6.96 b 0.00 3124.40
1906 0.00 0.00 e 7.23 a 86.00 k 336.41 d 601.03 a 663.52 e 713.52 a 429.83 a 121.33 b 7.50 4.50 2884.87
1907 2.00 1.50 116.00 101.00 223.00 535.00 756.50 719.00 490.00 148.50 0.00 a 0.00 3092.50
1908 0.00 6.00 71.09 b 128.28 a 290.00 661.61 b 760.50 715.00 500.69 a 163.78 a 2.07 a 0.00 3299.01
1909 3.50 0.00 4.00 99.00 242.00 583.50 817.50 803.00 443.00 146.00 18.00 0.00 3159.50
1910 10.33 a 0.00 a 106.00 154.50 297.50 637.00 785.33 a 692.50 541.50 219.67 b 10.34 a 0.00 3454.68
1911 25.83 d 8.50 32.50 132.93 a 453.12 a 700.71 b 757.00 717.00 582.50 130.95 b 0.00 0.00 3541.04
1912 0.00 a 0.00 7.00 90.50 341.00 c 504.00 749.00 0.00 z 297.93 a 124.00 11.00 0.00 b 2124.43
1913 0.00 0.00 a 20.15 a 129.64 b 433.50 566.00 787.00 776.00 352.50 121.42 a 3.00 0.00 g 3189.21
1914 3.00 0.00 4.00 135.00 363.00 664.50 744.50 729.50 525.00 177.50 17.00 0.00 3363.00
1915 0.00 0.00 a 0.00 163.50 205.50 539.50 668.00 588.00 472.00 135.00 63.62 a 0.00 2835.12
1916 0.00 0.00 79.00 109.00 362.00 625.50 861.50 720.50 405.50 155.00 24.50 0.00 3342.50
1917 0.00 4.50 16.00 102.50 208.50 575.00 843.00 672.50 484.00 161.00 14.50 1.00 3082.50
1918 5.68 a 12.00 60.50 44.50 403.00 745.00 779.00 767.00 358.00 273.50 25.50 0.00 3473.68
1919 0.00 0.00 22.00 112.50 308.00 557.00 841.50 777.50 583.50 112.50 0.00 0.00 3314.50
1920 0.00 0.00 17.00 42.00 373.00 610.50 787.40 a 657.00 474.50 218.50 2.50 0.00 3182.40
1921 1.50 0.00 72.00 100.50 419.50 608.00 785.50 745.50 0.00 z 203.00 10.00 0.00 2945.50
1922 0.00 8.50 26.00 101.00 338.50 703.50 777.50 827.00 553.50 181.50 0.00 0.50 3517.50
1923 0.00 0.00 12.50 147.50 281.58 a 573.00 811.50 693.50 414.00 109.00 6.50 0.00 3049.08
1924 0.00 1.00 0.50 108.50 226.50 684.50 786.50 783.00 427.50 189.00 26.00 0.00 3233.00
1925 0.00 0.00 b 110.00 222.50 424.00 756.50 802.50 710.00 540.50 121.00 6.50 0.00 3693.50
1926 0.00 0.00 10.50 100.00 378.50 626.50 778.50 766.00 554.00 202.00 10.34 a 1.50 3427.84
1927 0.00 a 9.50 21.00 183.50 487.50 577.00 772.00 642.50 476.00 181.50 37.50 0.00 3388.00
1928 0.00 0.00 44.00 95.50 336.00 495.00 a 767.00 697.50 423.50 193.00 14.00 0.00 3065.50
1929 0.00 0.00 21.00 111.50 335.00 628.00 828.50 752.00 416.00 192.50 0.00 1.50 3286.00
1930 0.00 12.50 4.50 233.00 270.50 631.50 776.00 750.50 478.00 148.50 2.50 0.00 3307.50
1931 0.00 0.00 15.50 111.21 a 301.00 725.50 841.00 723.00 627.50 236.50 7.00 0.00 c 3588.21
1932 0.00 24.00 21.50 183.62 a 460.00 601.50 907.50 830.00 453.00 130.50 26.50 0.00 3638.12
1933 0.00 5.00 30.50 59.00 302.00 687.00 787.00 662.00 550.50 119.87 a 0.00 0.00 3202.87
1934 0.00 a 0.00 9.50 126.50 503.00 704.00 949.00 827.50 405.50 238.50 12.00 2.50 3778.00
1935 0.00 a 4.00 42.50 114.00 233.50 604.50 877.00 816.00 469.00 189.00 0.00 0.00 3349.50
1936 0.00 8.50 9.50 188.50 440.50 736.03 a 853.50 0.00 z 469.50 105.50 5.50 0.00 2817.03
1937 0.00 1.50 0.00 123.50 397.00 605.50 852.00 858.50 523.50 124.00 8.50 0.50 3494.50
1938 0.50 2.00 37.00 166.50 337.50 652.50 805.50 823.00 513.50 238.50 10.50 0.00 3587.00
1939 0.00 0.00 42.00 167.00 429.50 699.50 870.50 738.00 593.50 190.50 0.50 4.00 3735.00
1940 0.00 6.50 29.00 113.50 355.50 641.00 874.50 727.50 568.50 246.00 22.50 0.50 3585.00
1941 0.00 2.50 25.00 118.00 430.00 573.00 772.00 753.00 483.50 158.00 12.00 4.50 3331.50
1942 0.00 0.00 2.50 188.50 371.00 625.50 805.50 761.00 442.50 158.00 31.50 0.50 3386.50
1943 6.50 3.50 50.00 253.50 316.50 683.00 843.00 836.50 422.00 96.50 1.50 0.00 3512.50
1944 0.00 0.00 7.50 18.50 355.50 638.50 728.50 757.50 462.50 160.50 27.00 0.00 3156.00
1945 0.00 2.50 32.00 118.50 408.50 523.00 794.00 760.00 484.50 205.00 28.50 0.00 3356.50
1946 5.50 6.50 63.50 281.00 274.50 706.50 832.00 742.50 504.00 143.50 0.00 0.00 3559.50
1947 0.00 0.00 19.00 92.50 315.00 534.00 802.00 799.50 569.00 293.00 0.00 0.00 3424.00
1948 0.00 0.00 24.00 239.50 411.00 647.00 840.00 758.50 575.50 132.00 2.50 5.50 3635.50
1949 0.00 0.00 17.50 180.50 400.50 610.50 816.00 732.00 491.50 150.00 30.50 0.00 3429.00
1950 0.50 3.50 25.50 163.33 c 321.50 680.50 730.00 648.00 437.50 311.00 9.00 0.00 3330.33
1951 0.00 1.50 7.00 76.50 383.50 482.50 829.50 772.50 440.00 146.00 0.00 3.00 3142.00
1952 4.50 3.00 6.50 117.50 357.50 791.00 812.50 798.00 515.50 139.50 b 7.00 0.00 3552.50
1953 9.00 0.00 24.50 104.00 305.50 767.50 891.00 763.00 531.00 214.00 12.00 0.00 3621.50
1954 0.00 13.50 17.50 242.50 379.50 744.50 925.00 744.50 590.50 194.00 1.50 0.00 3853.00
1955 0.00 0.00 25.50 177.50 374.50 560.50 881.50 806.00 506.00 204.00 7.50 23.50 3566.50
1956 1.00 0.00 51.00 92.00 458.00 781.50 802.00 709.00 553.50 247.00 3.00 0.00 3698.00
1957 0.00 6.00 7.50 91.00 300.00 587.00 856.00 794.50 428.00 211.00 3.50 0.00 3284.50
1958 0.00 3.00 0.50 86.50 489.00 718.50 773.50 812.50 579.00 206.00 19.00 0.00 3687.50
1959 0.00 0.50 8.00 154.50 421.50 739.00 796.00 830.50 447.50 101.50 9.50 0.00 3508.50
1960 0.00 0.00 45.00 208.50 364.50 691.00 769.00 801.00 513.00 183.50 14.50 0.00 3590.00
1961 0.00 b 0.50 13.50 136.50 386.50 623.00 747.50 740.00 362.50 131.00 1.00 0.00 3142.00
1962 0.00 28.50 10.50 181.50 452.00 587.50 765.00 768.50 495.00 214.00 1.00 1.00 3504.50
1963 0.00 9.00 57.00 193.00 469.50 694.00 890.50 770.00 602.00 336.00 12.50 0.00 4033.50
1964 0.00 0.00 9.00 108.00 399.50 636.00 906.00 735.00 486.50 151.50 18.50 17.50 3467.50
1965 9.50 0.00 4.00 168.50 382.00 576.00 811.50 671.00 364.00 159.00 12.00 3.50 3161.00
1966 0.00 0.00 40.00 155.50 442.00 704.50 941.00 711.00 543.00 159.00 7.00 0.00 3703.00
1967 2.50 4.50 96.50 212.00 314.00 577.00 795.50 685.00 438.00 186.00 6.00 0.00 3317.00
1968 0.00 0.00 33.00 75.50 278.50 703.50 801.00 698.00 445.50 201.50 1.00 0.00 3237.50
1969 0.00 4.50 1.00 177.50 391.50 542.00 857.50 827.00 532.00 88.00 2.00 0.00 3423.00
1970 0.00 9.00 1.00 87.50 464.00 638.00 851.00 832.50 453.00 99.00 10.50 2.00 3447.50
1971 0.00 0.00 64.50 131.50 325.50 719.50 779.00 699.50 419.00 170.00 10.50 2.50 3321.50
1972 1.50 8.50 84.50 175.00 374.00 697.00 759.50 733.50 494.00 222.00 0.00 0.00 3549.50
1973 0.00 0.00 12.50 70.00 317.50 625.00 770.00 762.50 386.50 209.00 23.00 3.50 3179.50
1974 0.00 7.00 103.50 165.50 482.00 671.00 859.00 676.00 391.50 209.50 1.50 0.00 3566.50
1975 0.00 1.00 34.50 154.50 329.00 629.00 793.50 784.50 421.50 210.50 9.50 0.00 3367.50
1976 0.00 21.50 40.50 122.00 337.50 630.00 808.50 714.50 461.50 112.00 2.00 0.00 3250.00
1977 0.00 0.00 a 26.50 180.50 484.00 737.00 884.00 736.00 585.50 160.50 10.50 0.00 3804.50
1978 0.00 0.00 49.50 194.00 355.50 680.50 900.50 706.00 519.50 184.50 17.00 0.00 3607.00
1979 0.00 8.00 20.50 172.00 309.50 613.00 812.00 688.50 535.00 245.50 0.00 0.00 3404.00
1980 0.00 0.00 7.00 96.50 283.50 731.50 925.50 813.50 548.00 150.50 34.00 6.50 3596.50
1981 0.00 12.00 25.50 283.50 355.00 782.00 853.50 699.50 535.50 202.00 26.50 1.50 3776.50
1982 6.00 0.50 25.00 143.50 357.50 558.50 808.50 803.50 516.50 150.00 2.00 0.00 3371.50
1983 0.00 0.00 18.50 105.50 277.00 580.00 881.00 874.00 601.00 195.00 30.00 0.00 3562.00
1984 0.00 0.00 5.00 39.50 433.50 659.00 830.50 798.50 457.00 139.00 11.00 7.50 3380.50
1985 0.00 1.50 23.50 173.50 428.50 654.50 814.00 777.00 462.00 148.00 3.50 0.00 3486.00
1986 8.27 a 28.50 80.50 211.50 369.00 673.50 806.50 734.00 458.50 111.00 4.50 0.00 3485.77
1987 0.00 2.00 6.50 203.50 403.00 674.00 850.00 723.00 427.50 144.50 34.00 0.00 3468.00
1988 0.00 0.00 29.50 113.50 393.50 735.50 811.00 795.50 476.00 165.50 31.00 0.00 3551.00
1989 0.00 4.00 84.50 228.50 470.00 573.50 818.00 730.00 473.50 208.50 4.50 0.00 3595.00
1990 0.00 1.00 19.00 153.00 350.00 770.50 739.50 711.50 589.50 194.00 29.50 0.00 3557.50
1991 0.00 0.00 55.00 113.50 484.00 723.50 768.50 756.00 490.00 235.00 2.00 0.00 3627.50
1992 0.00 1.00 9.50 220.50 454.50 542.50 743.50 655.50 537.50 185.50 0.00 0.00 3350.00
1993 0.00 0.00 14.00 140.00 367.00 645.00 841.00 719.50 400.50 176.00 0.00 0.00 3303.00
1994 0.00 4.50 59.00 177.50 458.00 799.50 800.50 814.00 513.00 158.50 23.00 0.00 3807.50
1995 0.00 5.50 67.50 79.00 244.50 568.00 752.00 878.50 490.50 153.00 12.00 1.00 3251.50
1996 0.00 16.00 31.00 193.50 546.50 693.00 818.00 766.00 482.00 236.00 22.00 3.50 3807.50
1997 6.00 11.00 51.00 88.50 398.50 679.50 847.00 743.50 585.50 226.50 1.00 0.00 3638.00
1998 0.00 2.00 42.50 96.50 489.00 633.00 887.50 755.50 628.50 214.00 22.00 7.00 3777.50
1999 12.00 15.00 67.50 107.00 373.00 645.00 887.50 800.50 466.50 188.00 36.50 0.00 3598.50
2000 0.50 17.50 45.50 225.00 480.50 694.50 873.00 862.00 558.00 194.50 2.50 0.00 3953.50
2001 0.00 0.00 7.50 216.00 408.00 716.00 940.50 822.00 544.00 203.00 25.50 0.50 3883.00
2002 0.00 3.00 16.50 246.00 448.50 0.00 z 917.50 832.50 526.50 118.00 11.50 0.00 3120.00
2003 0.00 9.50 44.00 250.50 451.50 599.50 978.50 843.50 463.50 282.00 2.50 0.00 3925.00
2004 0.00 7.00 99.00 163.50 500.00 608.50 749.50 643.50 499.50 165.00 6.50 1.50 3443.50
2005 0.00 0.00 12.50 104.00 384.50 634.50 820.50 793.50 616.50 242.50 46.50 0.00 3655.00
2006 0.00 12.00 54.50 265.00 494.00 790.00 895.50 790.00 0.00 z 167.50 17.50 0.00 3486.00
2007 0.00 0.00 96.50 140.00 419.50 657.00 839.50 889.00 601.50 259.50 28.00 3.00 3933.50
2008 0.00 0.00 24.50 133.00 437.00 714.50 904.00 783.00 514.00 205.00 41.50 1.00 3757.50
2009 0.00 0.50 70.50 167.00 431.00 621.50 772.50 707.50 431.00 78.50 30.50 0.00 3310.50
2010 0.00 0.00 25.00 160.00 375.50 728.00 845.50 805.50 597.00 201.00 17.00 0.00 3754.50
2011 0.00 6.50 54.50 162.50 354.00 751.00 907.27 a 885.57 a 468.00 165.00 2.00 0.00 3756.33
2012 0.00 0.00 116.00 247.00 463.50 829.50 917.00 800.00 499.50 133.50 14.00 7.50 4027.50
2013 4.50 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 4.50
Period of Record Statistics
MEAN 1.18 3.77 33.19 145.46 374.44 647.63 816.22 755.82 489.77 174.85 12.34 1.13 3458.15
S.D. 3.36 6.12 28.70 54.71 73.23 75.75 62.49 58.11 67.93 49.33 12.02 3.16 244.34
SKEW 4.34 2.17 1.16 0.35 -0.13 -0.06 0.07 -0.03 -0.12 0.50 1.28 4.66 0.08
MAX 25.83 28.50 116.00 283.50 546.50 829.50 978.50 889.00 628.50 336.00 63.62 23.50 4033.50
MIN 0.00 0.00 0.00 18.50 205.50 457.00 647.00 588.00 297.93 78.50 0.00 0.00 2835.12
NO YRS 120 120 119 118 118 117 118 116 117 119 119 118 111