MONTROSE 2, COLORADO

Monthly Total Growing Degree Days

(055722)

Base Temperature = 50 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1900 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
1901 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
1902 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
1903 60.00 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 0.00 z 60.00
1904 0.00 a 13.38 c 0.52 a 72.86 b 157.58 a 279.23 d 452.71 b 389.00 f 154.50 l 30.47 b 0.00 0.00 1006.74
1905 0.00 a 0.00 a 0.00 i 5.89 b 41.00 j 317.40 e 462.02 e 445.50 250.00 33.00 0.00 0.00 a 1513.81
1906 0.00 b 0.00 6.50 15.50 118.50 222.00 e 482.50 475.69 b 226.11 c 60.00 3.10 a 0.00 a 1609.90
1907 0.00 q 0.00 n 18.00 g 0.00 z 109.03 b 332.68 b 593.50 523.50 281.90 a 121.50 0.00 0.00 a 1962.11
1908 0.00 0.00 2.58 a 21.00 71.50 327.50 596.50 452.50 265.50 30.50 0.00 0.00 1767.58
1909 0.00 0.00 0.00 47.00 54.00 334.00 555.93 a 516.00 236.00 60.00 0.00 0.00 1802.93
1910 0.00 0.00 11.88 a 59.50 125.00 401.50 491.00 445.50 240.50 21.91 b 0.00 0.00 j 1796.80
1911 0.00 0.00 4.13 a 43.00 255.00 487.00 571.50 596.50 402.50 52.00 0.50 0.00 2412.13
1912 0.00 0.00 0.00 23.00 249.00 444.00 605.00 586.50 220.50 60.00 0.00 0.00 2188.00
1913 0.00 0.00 4.50 74.00 296.50 441.00 616.90 a 658.50 285.00 47.53 a 1.00 0.00 a 2424.93
1914 0.00 0.00 0.00 64.50 253.00 444.00 619.50 573.50 394.00 38.00 0.00 0.00 2386.50
1915 0.00 0.00 3.10 a 92.00 185.50 392.50 659.78 a 595.00 343.00 68.50 5.50 0.00 2344.88
1916 0.00 0.00 13.00 101.50 243.00 515.50 672.00 559.50 310.00 58.00 4.50 0.00 2477.00
1917 0.00 0.00 6.50 41.50 93.00 468.00 743.50 566.00 343.50 95.00 1.50 0.00 2358.50
1918 0.00 0.00 4.00 21.00 220.00 622.76 a 618.00 581.00 302.00 139.00 0.00 0.00 2507.76
1919 0.00 a 0.00 3.00 89.00 333.50 539.00 746.00 673.50 427.50 31.50 0.00 0.00 2843.00
1920 0.00 0.00 0.50 18.50 278.00 475.00 670.00 573.00 322.76 a 96.00 0.00 0.00 2433.76
1921 0.00 0.00 21.00 45.50 285.00 516.72 a 682.00 582.50 410.00 185.00 7.24 a 2.50 2737.47
1922 0.00 0.00 2.00 30.00 260.00 575.00 707.00 660.50 399.00 85.50 0.00 0.00 a 2719.00
1923 0.00 0.00 0.00 24.50 263.00 490.00 722.50 562.00 279.00 45.50 0.00 0.00 2386.50
1924 0.00 0.00 0.00 22.50 194.50 532.00 652.50 554.50 289.00 69.00 15.00 0.00 2329.00
1925 0.00 0.00 10.50 95.50 373.00 493.50 722.50 544.00 341.00 78.50 0.00 0.00 2658.50
1926 0.00 0.00 0.00 88.50 251.50 544.00 639.00 627.00 358.50 86.00 0.00 0.00 2594.50
1927 0.00 0.00 3.00 85.50 287.00 487.50 662.50 520.00 345.00 82.00 5.00 0.00 2477.50
1928 0.00 0.00 5.00 56.00 233.00 425.50 680.00 594.00 391.00 116.50 0.00 0.00 2501.00
1929 0.00 0.00 2.50 26.50 213.00 526.00 680.50 619.00 249.50 63.00 0.00 0.00 2380.00
1930 0.00 0.00 0.00 120.50 209.00 527.50 660.50 625.50 357.50 63.00 0.00 0.00 2563.50
1931 0.00 0.00 0.00 59.50 213.90 a 613.00 802.50 665.50 451.55 a 129.00 0.00 b 0.00 2934.95
1932 0.00 0.00 3.00 46.50 281.00 489.00 736.00 640.50 356.00 98.50 0.00 0.00 2650.50
1933 0.00 0.00 3.62 a 11.00 172.00 626.50 788.00 642.50 482.50 152.00 0.00 0.00 2878.12
1934 0.00 0.00 31.00 186.00 441.00 520.00 823.50 737.50 361.00 133.00 0.50 0.00 3233.50
1935 0.00 0.00 2.50 80.00 201.00 590.50 762.50 681.00 387.50 144.50 5.00 0.00 2854.50
1936 0.00 0.00 0.00 138.50 352.50 612.50 750.50 661.50 333.00 52.00 0.00 0.00 2900.50
1937 0.00 0.00 0.00 65.50 248.50 443.00 641.50 622.00 377.00 48.00 0.00 0.00 2445.50
1938 0.00 0.00 0.00 70.50 187.50 430.00 622.00 704.50 388.00 105.50 0.00 0.00 2508.00
1939 0.00 0.00 3.50 108.00 314.50 519.83 a 760.00 667.00 416.00 58.00 0.00 0.00 2846.83
1940 0.00 0.00 14.00 50.00 361.00 589.00 744.50 646.35 a 399.50 87.00 0.00 0.00 2891.35
1941 0.00 0.00 0.00 15.00 285.50 429.50 669.00 627.50 305.00 58.50 0.00 0.00 2390.00
1942 0.00 0.00 0.00 73.00 229.50 518.79 a 726.43 a 664.50 384.50 123.50 10.00 0.00 2730.23
1943 0.00 a 0.00 18.00 217.24 a 232.50 493.50 753.00 644.50 418.50 159.65 a 0.00 0.00 a 2936.89
1944 0.00 0.00 0.00 11.00 258.50 452.50 693.50 657.50 466.00 136.00 17.00 0.00 2692.00
1945 0.00 0.00 a 0.00 a 44.00 296.00 395.00 697.00 675.80 a 357.50 120.00 7.50 0.00 2592.80
1946 0.00 0.00 9.00 135.50 166.48 d 569.50 710.00 632.50 382.50 46.50 0.00 0.00 2651.98
1947 0.00 0.00 2.00 45.00 315.00 408.50 712.00 584.00 433.97 a 150.50 0.00 0.00 2650.97
1948 0.00 0.00 0.00 92.50 321.00 465.00 657.72 a 596.00 467.00 99.50 0.00 0.00 2698.72
1949 0.00 0.00 5.00 109.00 233.00 434.00 694.50 611.50 406.50 93.00 0.00 0.00 2586.50
1950 0.00 0.00 1.50 107.00 187.00 498.50 574.50 584.00 367.50 241.00 7.00 0.00 2568.00
1951 0.00 0.00 9.50 65.00 287.00 411.50 746.00 609.00 395.50 115.50 0.00 0.00 2639.00
1952 0.00 0.00 1.00 64.00 280.55 a 584.00 729.00 632.00 411.00 120.50 1.50 0.00 2823.55
1953 0.00 0.00 19.50 58.50 163.00 570.00 775.00 585.00 432.00 126.00 5.00 0.00 2734.00
1954 0.00 2.00 7.00 160.00 374.00 525.00 754.50 626.00 394.00 173.00 5.00 0.00 3020.50
1955 0.00 0.00 0.00 62.00 210.50 464.00 741.50 679.50 461.00 153.50 0.00 1.00 2773.00
1956 0.00 0.00 18.00 f 66.00 340.00 647.59 a 707.00 585.50 478.50 136.50 0.00 0.00 2961.09
1957 0.00 0.00 5.00 51.00 131.00 513.50 685.50 626.00 339.50 128.00 2.00 0.00 2481.50
1958 0.00 0.00 0.00 38.00 380.00 624.00 716.50 727.50 398.00 141.50 5.50 0.00 3031.00
1959 0.00 0.00 0.00 93.00 292.50 620.50 743.00 621.00 376.50 44.00 0.00 0.00 2790.50
1960 0.00 0.00 11.00 84.00 237.50 543.50 744.50 680.00 454.00 98.00 4.00 0.00 2856.50
1961 0.00 0.00 6.00 58.00 288.00 577.00 677.00 660.00 217.00 76.50 0.00 0.00 2559.50
1962 0.00 12.00 3.00 120.00 238.00 462.00 626.00 616.50 375.00 99.50 0.00 0.00 2552.00
1963 0.00 0.00 10.50 52.50 333.25 a 440.50 719.50 606.00 445.50 200.50 3.00 0.00 2811.25
1964 0.00 0.00 0.00 34.00 259.50 416.50 736.50 539.50 308.00 119.00 0.00 0.00 2413.00
1965 0.00 0.00 0.00 67.50 173.50 378.50 624.50 563.50 250.50 94.00 0.50 0.00 2152.50
1966 0.00 0.00 5.00 63.00 283.50 481.00 746.00 618.00 377.50 53.50 2.00 0.00 2629.50
1967 0.00 0.00 27.00 34.00 197.50 363.00 675.50 584.50 306.00 108.00 0.00 0.00 2295.50
1968 0.00 0.00 5.50 23.50 163.00 480.00 585.50 409.00 227.50 60.50 0.00 0.00 1954.50
1969 0.00 0.00 1.50 58.50 332.00 313.50 666.00 650.50 345.50 18.00 0.00 0.00 2385.50
1970 0.00 0.00 0.00 15.50 257.00 418.00 629.00 613.00 232.00 48.00 1.00 0.00 2213.50
1971 0.00 0.00 32.00 56.00 166.00 516.00 705.50 669.00 274.00 82.50 0.00 0.00 2501.00
1972 0.00 1.50 32.00 102.00 237.00 527.00 721.50 637.00 372.00 119.50 0.00 0.00 2749.50
1973 0.00 0.00 0.00 36.50 232.50 437.00 656.00 628.00 322.00 129.50 11.50 0.00 2453.00
1974 0.00 0.00 11.50 34.50 334.00 555.50 692.50 588.50 363.50 136.50 0.00 0.00 2716.50
1975 0.00 0.00 2.50 42.00 150.50 395.00 697.00 589.00 362.00 104.00 0.00 0.00 2342.00
1976 0.00 0.00 1.00 46.50 233.50 473.50 730.50 571.00 339.50 63.50 0.00 0.00 2459.00
1977 0.00 0.00 1.00 117.00 233.50 654.50 731.00 677.50 441.50 114.00 14.50 0.00 2984.50
1978 0.00 0.00 31.50 95.00 223.00 561.00 733.00 643.50 391.50 141.00 13.50 0.00 2833.00
1979 0.00 0.00 0.00 94.00 265.50 491.00 715.00 597.50 479.00 196.50 0.00 0.00 2838.50
1980 0.00 0.00 0.00 85.00 167.00 591.50 755.00 642.50 388.50 147.50 14.00 0.50 2791.50
1981 0.00 0.00 1.50 171.00 228.00 609.50 731.00 646.00 439.50 69.50 2.00 0.00 2898.00
1982 0.00 0.00 1.00 46.00 227.50 475.00 700.00 680.50 378.50 34.00 1.00 0.00 2543.50
1983 0.00 0.00 2.50 34.50 171.50 433.50 688.00 696.00 462.00 86.00 11.00 0.00 2585.00
1984 0.00 0.00 0.00 44.50 382.00 452.00 732.50 658.50 409.50 45.00 1.00 0.00 2725.00
1985 0.00 0.00 8.00 91.00 313.50 594.31 a 713.50 698.50 272.00 59.00 0.00 a 0.00 2749.81
1986 0.00 2.00 44.50 84.00 262.50 578.50 637.00 647.50 291.00 38.50 0.00 0.00 2585.50
1987 0.00 0.00 0.00 122.00 239.00 564.00 675.00 601.92 a 332.00 135.50 3.00 0.00 2672.42
1988 0.00 a 0.00 5.50 74.00 279.00 618.50 772.00 701.00 323.00 165.00 11.50 0.00 2949.50
1989 0.00 1.50 51.50 159.00 331.50 465.00 727.00 561.00 376.50 121.50 2.50 0.00 2797.00
1990 0.00 0.00 22.50 77.50 218.50 609.00 662.00 598.50 440.00 76.00 3.50 0.00 2707.50
1991 0.00 0.00 5.00 39.50 206.00 466.00 617.00 625.50 342.00 143.50 0.00 0.00 2444.50
1992 0.00 0.00 0.00 144.00 283.00 467.00 566.50 567.50 374.50 144.00 0.00 0.00 2546.50
1993 0.00 0.00 9.50 29.00 251.50 413.00 613.00 545.00 292.00 74.00 0.00 0.00 2227.00
1994 0.00 0.00 6.50 86.00 265.00 583.00 677.50 659.50 361.50 46.50 5.50 0.00 2691.00
1995 0.00 0.00 19.00 22.00 100.50 375.50 563.00 685.00 375.00 58.50 4.50 0.00 2203.00
1996 0.00 0.00 9.50 67.50 346.50 502.50 725.00 649.50 304.00 140.50 0.00 0.00 2745.00
1997 0.00 0.00 26.00 37.50 258.00 494.00 618.00 573.00 359.00 100.00 0.00 0.00 2465.50
1998 0.00 0.00 28.50 31.00 252.50 420.50 725.50 663.00 492.00 87.00 0.00 0.00 a 2700.00
1999 0.00 0.00 28.00 48.00 237.15 a 523.00 717.00 596.00 306.35 d 68.00 h 6.00 0.00 b 2461.50
2000 0.00 0.00 4.00 115.50 361.48 c 506.67 c 682.00 c 659.02 b 383.08 d 103.16 b 0.00 b 0.00 l 2814.90
2001 0.00 e 0.00 c 7.00 98.00 308.50 542.00 685.00 615.50 412.50 121.00 7.50 0.00 2797.00
2002 0.00 0.00 9.00 130.00 276.50 603.50 780.50 641.00 360.00 35.00 0.00 0.00 2835.50
2003 0.00 0.00 7.50 108.00 310.50 508.50 852.00 712.00 339.50 183.50 12.50 0.00 3034.00
2004 0.00 0.00 68.50 80.00 322.00 535.00 691.50 578.50 327.50 90.00 0.00 0.00 2693.00
2005 0.00 0.00 0.00 61.00 286.50 423.00 725.50 568.00 362.00 108.00 17.50 0.00 2551.50
2006 0.00 3.00 10.00 131.50 358.50 619.14 a 487.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1122.14
Period of Record Statistics
MEAN 0.58 0.35 7.95 70.18 249.50 492.00 683.59 613.46 359.25 96.69 2.57 0.04 2594.50
S.D. 5.91 1.81 12.01 41.53 73.32 86.97 72.69 60.86 66.71 45.36 4.38 0.27 276.31
SKEW 10.00 6.38 2.49 0.94 -0.22 -0.41 -0.88 -0.84 -0.22 0.48 1.86 7.98 -0.90
MAX 60.00 13.38 68.50 217.24 441.00 654.50 852.00 737.50 492.00 241.00 17.50 2.50 3233.50
MIN 0.00 0.00 0.00 5.89 54.00 222.00 452.71 409.00 217.00 18.00 0.00 0.00 1609.90
NO YRS 103 102 100 102 102 103 102 101 101 101 102 100 95