TRINIDAD, COLORADO

Monthly Total Growing Degree Days

(058429)

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
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 17.50 g 0.00 0.00
1900 0.00 0.00 23.50 34.50 286.00 550.00 717.00 691.00 428.50 208.50 38.04 b 0.00 2977.04
1901 1.00 3.00 17.50 103.50 267.00 586.50 768.50 660.50 436.00 158.50 25.00 16.00 3043.00
1902 0.00 4.50 3.50 141.50 321.50 553.50 626.00 642.50 325.50 122.00 36.00 0.00 2776.50
1903 2.50 0.00 22.00 84.00 213.50 325.00 675.00 632.00 356.50 146.00 31.00 0.00 2487.50
1904 0.50 47.00 35.00 118.50 272.50 395.00 623.50 581.50 388.50 139.50 4.50 15.50 2621.50
1905 1.03 a 14.50 49.00 41.00 247.00 609.00 575.50 621.00 461.50 137.00 5.50 0.00 2762.03
1906 3.50 3.00 14.00 79.00 284.00 561.50 544.57 a 605.00 354.00 100.00 30.00 12.00 2590.57
1907 0.00 0.00 125.00 81.50 141.50 393.33 c 0.00 z 0.00 z 438.00 247.50 0.00 z 0.00 z 1426.83
1908 0.00 0.00 z 49.00 65.69 a 248.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 362.69
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 2.00 x 9.00 0.00 9.00
1912 0.00 0.00 6.00 45.50 268.00 400.00 619.50 605.50 229.00 109.00 18.00 0.00 2300.50
1913 0.00 0.50 14.50 99.50 315.50 446.00 668.00 659.00 287.00 85.50 15.50 0.00 2591.00
1914 4.50 1.50 3.50 73.00 276.50 544.50 603.00 584.50 466.50 131.00 10.50 0.00 2699.00
1915 0.00 5.50 0.50 68.50 166.50 457.00 582.00 479.00 392.50 111.00 39.50 0.50 2302.50
1916 3.50 0.50 75.50 80.00 294.50 512.00 704.50 575.50 380.00 134.50 36.00 2.00 2798.50
1917 0.00 5.50 11.00 61.00 110.50 496.00 721.50 570.50 410.50 165.50 6.00 8.50 2566.50
1918 0.00 18.00 46.00 19.00 279.50 610.00 639.00 614.00 322.00 208.00 24.00 0.50 2780.00
1919 0.00 3.50 11.00 120.50 262.50 477.00 670.50 667.00 495.50 128.50 14.50 0.50 2851.00
1920 13.50 5.50 8.00 50.50 286.00 459.50 650.50 517.50 387.00 179.50 13.50 0.00 2571.00
1921 4.00 8.50 57.50 69.00 281.50 448.50 643.00 608.50 515.00 224.50 34.50 32.00 2926.50
1922 2.50 j 12.00 21.50 68.00 258.00 579.50 689.00 686.50 467.00 70.50 j 17.50 4.00 2803.00
1923 16.00 0.00 b 11.88 a 89.50 306.50 575.50 696.50 543.53 a 333.50 0.00 z 0.00 0.00 2572.92
1924 0.00 1.00 6.50 69.00 200.50 624.00 665.50 668.00 403.50 174.00 35.00 0.00 2847.00
1925 0.00 2.00 63.50 131.00 322.00 592.50 701.00 597.50 454.50 139.50 e 0.00 0.00 3003.50
1926 0.00 0.00 8.50 34.00 j 283.00 565.50 653.00 652.50 529.00 248.50 1.00 1.50 2942.50
1927 7.50 8.00 13.00 101.00 327.05 a 424.00 652.00 592.00 388.00 172.00 84.00 0.00 2768.55
1928 31.50 o 0.00 36.00 84.00 246.21 e 460.18 b 650.00 587.50 393.00 16.50 v 9.00 3.50 g 2465.89
1929 0.00 t 0.00 11.00 86.00 252.50 548.00 680.50 612.00 374.00 188.50 0.00 0.00 2752.50
1930 0.00 19.50 3.50 169.50 216.50 563.00 670.00 629.00 434.50 92.00 7.00 0.00 2804.50
1931 0.00 0.00 9.00 67.00 234.50 610.50 707.12 b 627.50 545.50 223.00 36.21 a 0.00 g 3060.33
1932 0.00 l 0.00 k 11.37 a 128.50 330.50 443.50 734.70 a 700.50 402.60 e 197.22 b 16.00 0.00 a 2964.89
1933 1.00 1.56 a 34.50 65.69 a 250.58 a 582.50 780.50 653.50 592.50 220.62 a 10.50 0.00 z 3193.45
1934 0.00 9.50 0.00 z 0.00 z 459.00 597.50 785.50 551.00 g 410.00 260.50 41.00 0.00 2563.00
1935 0.50 10.50 31.53 b 83.50 162.50 540.50 717.00 688.50 409.44 c 229.06 d 1.00 f 0.00 2873.03
1936 1.50 5.50 29.85 d 190.50 342.50 590.00 730.50 685.50 302.50 g 55.50 m 0.00 z 0.50 2576.35
1937 0.00 b 0.00 5.50 148.00 335.50 487.00 774.50 787.50 468.50 99.20 a 33.00 12.00 3150.70
1938 0.00 a 4.50 18.50 97.50 231.50 520.00 706.36 c 741.50 574.50 198.00 12.50 2.50 3107.36
1939 0.00 c 0.00 29.50 142.00 313.62 a 544.00 664.00 573.50 486.50 109.57 b 0.00 19.00 2881.69
1940 0.00 a 3.00 18.00 51.50 250.50 499.00 679.00 553.87 a 407.07 a 182.50 16.00 2.00 2662.44
1941 0.00 0.00 5.17 d 31.00 0.00 z 0.00 z 600.00 629.50 373.00 112.00 20.00 0.00 z 1770.67
1942 0.00 z 0.00 z 0.00 z 90.50 255.50 504.00 641.50 602.50 338.50 115.50 42.00 0.00 2590.00
1943 5.50 3.50 42.50 148.00 248.00 539.50 700.50 688.00 374.00 95.50 4.50 0.00 2849.50
1944 0.00 0.00 0.50 11.50 235.00 489.50 620.00 644.00 394.66 a 121.00 29.50 0.00 2545.66
1945 0.00 0.50 5.50 55.00 280.00 400.00 647.00 646.50 412.50 167.00 25.00 0.00 z 2639.00
1946 0.00 0.00 36.00 179.00 171.50 607.50 693.00 652.00 436.50 150.50 5.00 6.50 2937.50
1947 0.00 0.00 8.50 56.50 244.50 450.50 671.00 674.00 479.50 237.50 0.00 0.00 2822.00
1948 1.50 0.00 11.50 167.50 264.50 478.00 665.00 636.50 482.00 115.50 7.00 6.50 2835.50
1949 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
1950 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
1951 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
1952 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
1953 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
1954 0.00 z 14.00 15.50 204.50 295.50 641.50 752.78 a 637.57 a 553.50 238.00 15.00 0.00 3367.85
1955 0.00 0.50 8.50 95.00 247.00 450.00 654.62 a 628.00 446.00 208.00 10.50 20.50 2768.62
1956 5.50 0.50 37.00 62.50 422.50 662.00 676.50 606.00 524.00 222.50 6.00 0.00 3225.00
1957 0.00 19.00 10.50 52.50 123.48 a 475.00 683.00 610.50 348.00 128.50 4.50 1.00 2455.98
1958 0.00 0.00 a 2.00 42.00 327.50 597.00 652.50 643.00 478.50 178.50 30.50 0.50 2952.00
1959 0.00 4.00 10.50 105.50 312.50 553.00 660.50 671.00 435.50 127.50 17.00 0.00 2897.00
1960 0.00 0.00 g 19.50 153.00 268.00 581.50 647.50 676.50 423.50 126.50 14.00 0.00 2910.00
1961 0.00 13.50 10.00 112.00 329.50 514.00 622.00 600.00 254.00 h 144.50 0.00 4.13 a 2349.63
1962 0.00 27.50 10.50 132.00 326.50 459.00 631.00 676.50 451.00 214.50 7.50 0.00 2936.00
1963 0.00 15.00 39.50 149.50 393.50 629.50 775.00 a 559.00 480.50 262.00 19.50 0.00 3323.00
1964 0.00 f 0.00 4.00 65.00 318.00 550.50 771.50 625.50 388.50 166.50 21.72 a 16.00 2927.22
1965 0.00 0.00 4.50 112.00 246.50 456.00 653.00 573.00 347.50 146.50 25.50 5.50 2570.00
1966 0.00 0.00 27.50 86.00 347.50 561.50 770.50 583.00 405.50 147.00 43.50 0.00 2972.00
1967 0.00 7.00 76.50 158.50 211.00 456.50 654.00 533.00 355.50 185.00 27.50 0.00 2664.50
1968 0.00 0.00 11.50 40.50 210.00 580.50 617.50 552.50 370.50 200.50 9.00 0.00 2592.50
1969 7.00 0.00 4.00 112.50 293.00 388.50 705.50 707.00 446.50 91.50 9.00 6.50 2771.00
1970 6.50 1.00 0.50 53.00 345.50 492.50 686.00 699.50 382.50 67.00 17.50 0.00 2751.50
1971 13.00 0.00 57.00 67.50 211.00 565.50 656.50 572.00 368.50 100.50 32.00 15.50 2659.00
1972 7.50 13.00 69.00 133.00 234.00 567.50 641.50 623.50 438.00 212.00 0.00 0.00 2939.00
1973 0.00 0.00 2.00 34.50 238.50 497.50 621.50 628.50 368.00 196.50 66.50 8.00 2661.50
1974 0.00 1.00 67.00 114.50 414.00 547.00 693.00 523.00 284.50 152.50 1.00 0.00 2797.50
1975 0.00 0.00 17.50 103.00 213.00 514.50 630.50 653.50 312.00 205.50 17.00 0.00 2666.50
1976 0.00 4.00 33.00 88.50 190.00 529.50 694.50 610.00 364.00 92.50 4.50 0.00 2610.50
1977 0.00 3.00 7.00 88.00 335.00 601.00 705.50 622.50 482.00 152.00 24.00 4.00 3024.00
1978 0.00 0.00 33.50 112.50 264.00 562.00 742.00 613.50 464.00 194.00 26.00 0.00 3011.50
1979 0.00 9.00 10.50 139.00 238.18 a 476.50 663.50 545.00 440.50 227.50 0.00 0.00 2749.68
1980 0.50 0.50 13.00 51.00 196.50 611.00 758.00 658.50 475.50 150.50 64.50 23.00 3002.50
1981 0.00 12.50 18.50 236.50 271.50 655.50 690.50 557.00 415.50 187.00 54.50 7.00 3106.00
1982 5.50 12.00 19.00 82.00 200.50 435.00 690.50 640.00 404.50 123.50 1.00 3.50 2617.00
1983 0.00 0.00 13.00 65.50 166.00 387.00 725.50 690.50 512.50 172.00 31.00 0.00 2763.00
1984 0.00 0.00 0.00 28.00 368.00 513.50 693.00 619.50 424.50 79.50 29.00 4.50 2759.50
1985 0.00 0.00 0.00 z 100.00 304.50 542.50 660.50 668.50 389.00 120.00 11.00 0.00 2796.00
1986 5.50 30.50 55.28 a 110.00 294.50 a 495.50 666.00 609.00 434.50 88.50 9.00 0.00 2798.28
1987 0.00 0.50 15.00 133.50 268.00 565.00 736.50 579.50 364.00 164.00 29.50 4.00 2859.50
1988 0.00 0.00 43.50 107.00 235.00 548.50 667.00 659.50 395.50 170.00 49.50 0.50 2876.00
1989 3.00 3.23 b 96.00 184.00 376.50 463.00 724.50 619.50 409.00 194.00 27.00 0.00 3099.73
1990 0.50 4.00 25.50 123.00 292.50 698.00 611.00 590.50 472.00 179.00 35.50 0.00 3031.50
1991 0.00 0.00 28.00 86.00 399.00 569.00 637.00 598.50 392.00 208.00 7.50 0.00 2925.00
1992 0.00 0.00 1.00 176.00 305.50 483.50 609.00 557.50 437.50 168.00 0.00 0.00 2738.00
1993 1.50 0.00 11.00 96.00 252.50 531.00 688.00 539.50 313.00 133.00 1.00 0.00 2566.50
1994 0.00 2.00 28.50 117.50 349.00 666.00 659.50 659.50 412.00 141.00 35.00 0.00 3070.00
1995 4.00 7.00 54.50 61.50 183.00 459.00 647.50 721.00 414.00 192.50 31.00 16.50 2791.50
1996 0.00 31.00 17.50 161.00 508.00 595.00 703.50 648.00 406.50 205.00 43.00 16.53 a 3335.03
1997 20.50 7.00 50.00 44.00 260.50 528.00 710.50 643.00 526.00 185.50 7.00 0.00 2982.00
1998 0.00 0.00 48.50 66.50 387.00 561.00 672.50 615.50 527.50 169.50 26.50 0.00 3074.50
1999 3.50 15.00 52.50 76.50 260.00 503.50 668.00 585.50 355.50 155.50 48.00 1.00 2724.50
2000 5.50 17.00 15.50 158.00 449.00 588.50 736.00 747.50 545.00 164.00 0.00 0.00 a 3426.00
2001 0.00 0.00 9.00 139.00 340.50 625.50 776.50 665.50 471.00 197.00 31.00 4.50 3259.50
2002 1.50 9.00 42.00 191.50 369.00 714.00 770.00 736.00 457.00 123.00 17.50 0.00 3430.50
2003 2.00 6.50 18.00 167.50 406.00 481.50 870.50 724.00 418.50 292.50 33.00 3.50 3423.50
2004 0.00 6.50 81.00 91.00 427.00 527.50 631.00 578.50 454.00 174.00 11.50 0.00 a 2982.00
2005 5.00 0.00 10.50 98.00 351.50 576.00 774.00 648.00 581.00 193.50 78.50 2.50 3318.50
2006 18.00 10.00 51.50 246.50 360.00 627.00 698.50 574.50 246.00 120.50 19.50 0.00 2972.00
2007 0.00 0.00 39.00 52.50 234.00 534.00 758.50 767.50 528.50 233.00 54.00 7.50 3208.50
2008 4.00 0.00 32.50 96.00 231.00 552.00 710.00 632.00 428.50 173.00 43.50 1.50 2904.00
2009 3.00 5.00 60.50 94.50 350.00 506.00 681.00 617.50 345.00 66.50 39.50 0.00 2768.50
2010 0.00 0.00 20.50 112.50 341.00 611.50 685.00 686.50 531.00 179.50 31.00 1.50 3200.00
2011 0.00 2.69 b 63.03 a 92.00 241.50 591.72 a 785.00 755.50 400.00 164.00 16.55 a 0.00 a 3112.00
2012 0.00 3.00 98.50 0.00 z 313.10 a 626.67 c 739.00 660.50 393.50 128.50 16.00 4.50 2983.27
2013 1.50 0.00 31.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 33.00
Period of Record Statistics
MEAN 1.94 5.09 27.15 100.08 283.56 533.22 684.48 630.34 422.31 163.67 21.80 3.26 2867.28
S.D. 3.92 7.95 24.51 47.07 72.73 73.63 54.40 57.12 70.21 47.95 17.77 6.10 245.73
SKEW 2.83 2.53 1.40 0.71 0.36 -0.19 0.42 0.22 0.05 0.15 1.02 2.36 0.26
MAX 20.50 47.00 125.00 246.50 508.00 714.00 870.50 787.50 592.50 292.50 84.00 32.00 3430.50
MIN 0.00 0.00 0.00 11.50 110.50 325.00 544.57 479.00 229.00 66.50 0.00 0.00 2300.50
NO YRS 99 102 103 102 104 103 103 102 102 100 102 100 83