MANASSA, COLORADO

Monthly Total Growing Degree Days

(055322)

Base Temperature = 40 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
1893 1.00 3.50 40.00 136.50 377.50 715.00 821.50 730.00 516.00 227.50 14.50 0.00 d 3583.00
1894 0.00 0.00 68.00 183.50 448.50 597.50 805.00 760.00 521.00 325.50 57.50 2.00 3768.50
1895 0.00 2.50 53.00 223.00 373.00 584.50 704.50 746.00 626.00 250.00 4.00 0.00 3566.50
1896 0.00 z 0.00 z 0.00 z 0.00 z 373.50 661.00 774.00 691.00 487.50 0.00 z 0.00 z 0.00 2987.00
1897 0.00 0.00 18.00 0.00 z 442.00 i 588.00 611.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1217.00
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 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 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
1904 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
1905 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
1906 0.00 z 0.00 z 60.00 107.50 337.50 576.00 599.50 631.50 407.50 155.00 38.00 0.00 a 2912.50
1907 1.50 4.15 a 0.00 z 133.97 a 183.62 e 419.46 b 717.50 687.50 430.71 b 195.30 a 0.54 b 0.00 2774.24
1908 0.00 b 0.00 34.00 0.00 z 226.30 a 512.59 a 542.50 g 632.50 432.12 d 140.53 a 0.00 a 0.00 b 1978.03
1909 0.00 b 0.00 0.00 d 82.00 207.18 a 573.89 c 760.69 e 699.10 b 431.11 c 154.50 f 19.20 e 0.00 a 2773.18
1910 1.60 b 0.00 a 53.22 a 107.31 d 310.52 a 592.50 d 708.87 a 661.69 b 422.50 f 185.45 c 25.86 a 0.00 a 2647.01
1911 11.00 2.50 32.03 a 121.61 b 341.00 569.50 669.94 d 598.41 c 523.93 b 174.78 b 0.00 a 0.00 g 3044.70
1912 0.00 0.00 2.50 48.62 a 312.07 a 486.50 681.47 b 672.50 309.83 a 133.30 a 1.07 b 0.00 a 2647.85
1913 0.00 a 0.00 15.50 149.48 a 393.91 b 555.00 743.00 745.60 b 400.00 131.23 a 15.52 a 0.00 3149.25
1914 0.00 2.50 7.75 a 125.69 a 364.00 601.55 a 758.98 a 661.69 b 507.41 a 150.50 16.00 0.00 3196.08
1915 0.00 a 1.00 17.05 a 138.00 266.50 571.11 c 677.00 618.50 446.90 a 149.12 b 33.62 a 0.00 2918.80
1916 0.00 a 0.00 a 59.33 b 124.00 343.07 a 572.07 a 757.90 b 674.50 434.50 180.46 c 31.61 b 0.52 a 3177.95
1917 0.00 0.00 9.30 a 85.34 a 188.00 589.29 b 788.95 a 637.00 563.50 198.83 b 12.00 0.00 b 3072.21
1918 0.00 b 14.00 39.27 a 86.25 b 358.64 b 683.28 a 713.53 b 655.00 424.00 214.00 16.00 0.00 3203.96
1919 0.00 0.00 6.20 a 152.00 362.18 a 521.79 b 760.05 c 903.50 511.07 b 115.73 a 4.00 0.00 3336.53
1920 0.00 a 3.90 c 0.00 a 49.00 317.23 a 552.00 706.69 d 606.80 d 360.52 a 0.00 z 7.22 c 0.00 b 2603.36
1921 0.00 0.50 50.00 82.50 326.65 d 540.52 a 724.37 a 634.98 a 0.00 z 0.00 z 0.00 b 12.40 a 2371.92
1922 0.00 a 1.62 b 12.92 a 93.10 a 319.30 a 617.07 a 739.00 714.55 a 437.59 a 155.00 0.00 b 0.00 3090.14
1923 0.00 0.00 2.00 76.55 a 350.82 a 544.00 748.65 a 601.83 b 324.31 a 0.00 z 0.00 b 0.00 b 2648.16
1924 0.00 0.00 0.00 82.50 311.00 601.50 679.50 608.00 404.00 148.69 d 21.50 0.00 a 2856.69
1925 0.00 0.00 41.00 161.90 a 590.50 0.00 z 732.12 a 584.00 412.50 151.00 3.10 a 0.00 a 2676.12
1926 0.00 0.00 a 3.74 b 102.50 287.50 548.50 641.50 610.50 508.00 204.08 a 11.00 0.00 2917.32
1927 0.50 2.00 16.02 a 148.97 a 394.00 559.00 682.50 549.00 393.50 120.00 29.00 0.00 2894.48
1928 2.00 0.00 a 22.73 a 110.69 a 339.00 490.34 a 678.50 575.00 405.00 205.00 3.00 0.00 a 2831.27
1929 0.00 0.00 15.50 61.50 311.19 e 556.00 706.00 624.00 395.00 165.85 a 0.00 0.00 2835.04
1930 0.00 4.00 1.00 202.50 257.50 577.50 687.00 589.00 366.92 d 148.80 a 0.50 0.00 a 2834.72
1931 0.00 0.00 8.00 137.07 a 278.48 a 607.24 a 753.82 a 688.00 516.50 240.77 a 16.00 0.00 3245.88
1932 0.00 0.00 c 11.00 124.50 333.50 477.78 c 725.50 674.25 a 392.07 a 158.50 2.59 a 0.00 a 2899.68
1933 0.00 0.00 a 24.50 37.50 226.00 576.50 711.97 a 635.50 a 545.00 235.08 a 8.28 a 0.00 3000.33
1934 0.00 2.00 47.50 184.00 452.50 519.50 764.00 718.50 397.50 230.50 9.31 a 0.00 3325.31
1935 0.00 a 3.23 b 17.50 191.00 258.00 564.50 721.50 715.14 b 421.00 192.50 10.00 0.00 a 3094.37
1936 0.00 a 0.00 11.00 180.00 385.90 b 620.50 713.52 a 679.00 395.00 135.88 a 0.00 z 0.00 a 3120.80
1937 0.00 0.00 1.50 118.50 378.00 554.00 739.50 746.50 520.50 201.50 a 14.00 3.50 3277.50
1938 0.00 0.00 16.00 159.50 320.00 573.50 645.50 707.00 469.50 160.50 9.50 k 0.00 d 3051.50
1939 0.00 0.00 29.50 193.50 392.00 572.00 753.00 660.50 549.50 174.50 10.00 0.00 3334.50
1940 0.00 1.50 24.50 121.50 407.00 618.50 754.50 686.50 503.00 260.50 4.00 0.00 3381.50
1941 0.00 0.00 1.00 51.50 370.50 485.00 688.00 696.00 458.00 199.00 13.00 0.00 2962.00
1942 0.00 0.00 1.50 122.50 307.00 559.50 719.00 683.00 493.00 195.50 46.50 0.00 3127.50
1943 0.00 3.50 37.50 255.00 376.00 588.00 755.00 761.16 c 453.50 172.50 2.00 0.00 3404.16
1944 0.00 0.00 4.50 44.50 315.50 559.00 703.50 695.50 486.00 234.57 a 37.00 0.00 3080.07
1945 0.00 0.50 1.50 86.50 0.00 z 522.50 766.00 772.00 490.50 316.50 53.00 0.00 3009.00
1946 0.00 0.00 35.00 101.50 239.50 673.00 758.00 716.50 546.50 182.00 1.00 2.00 3255.00
1947 0.00 0.00 8.50 103.50 397.50 535.00 748.00 692.00 537.00 288.00 9.00 0.00 3318.50
1948 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 338.00 i 139.00 2.00 1.50 142.50
1949 0.00 0.00 11.00 157.50 350.82 a 556.55 a 724.50 255.00 s 0.00 z 0.00 z 0.58 d 0.00 1800.95
1950 0.00 0.00 c 4.00 135.00 280.50 561.00 640.27 e 544.50 419.40 e 0.00 z 0.00 z 0.00 z 2584.67
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 220.00 7.50 0.00 227.50
1952 0.00 0.00 3.00 83.50 321.00 599.00 653.50 605.50 453.50 148.50 12.00 0.00 2879.50
1953 0.00 0.00 21.00 63.50 259.50 616.50 732.50 592.00 442.50 168.00 16.00 0.00 2911.50
1954 0.00 6.50 20.50 245.00 436.50 619.50 797.50 670.50 551.50 293.00 2.50 1.00 3644.00
1955 0.00 0.00 11.00 110.50 300.50 534.00 726.00 721.50 476.00 223.00 17.00 14.00 3133.50
1956 1.50 0.50 38.50 90.00 456.00 703.50 730.00 603.00 535.18 b 200.47 a 0.00 0.00 3358.65
1957 1.50 10.00 12.00 75.00 194.00 557.00 705.00 653.00 389.00 161.50 10.00 0.00 2768.00
1958 0.00 1.50 7.00 54.50 385.00 642.00 690.50 695.00 479.00 171.50 11.50 6.50 3144.00
1959 0.00 0.00 3.50 147.00 340.00 229.00 q 0.00 z 270.50 r 417.50 143.00 7.00 0.00 h 1058.00
1960 0.00 a 0.00 14.50 154.00 317.50 586.50 693.50 688.00 476.50 138.00 11.50 1.00 3081.00
1961 0.00 0.00 10.50 84.50 201.50 h 0.00 z 0.00 z 0.00 z 183.00 n 126.00 0.00 0.00 z 221.00
1962 0.00 7.00 b 3.10 a 147.00 339.00 544.50 652.00 606.50 455.50 167.00 103.00 178.77 a 3203.37
1963 5.00 1.56 a 43.92 a 136.00 417.98 a 543.00 753.50 687.50 336.50 k 282.00 26.50 0.00 i 2896.96
1964 0.00 0.00 54.00 440.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 494.50
1965 0.00 z 0.00 z 0.00 z 0.00 z 231.00 h 501.96 b 765.24 d 645.46 c 415.38 d 247.40 e 39.23 d 0.00 e 2614.69
1966 0.00 g 0.00 d 19.50 g 128.04 b 397.26 d 275.50 n 827.59 c 685.58 e 468.46 d 148.36 c 17.50 f 13.20 d 2668.48
1967 4.43 c 3.00 f 68.89 d 75.50 j 274.50 f 497.78 c 764.84 b 487.50 g 467.31 d 160.00 f 20.77 d 0.00 b 1824.02
1968 0.00 d 0.00 f 18.00 f 41.67 c 286.75 c 0.00 z 710.00 623.74 b 220.50 o 166.50 h 0.00 z 0.00 d 1662.16
1969 0.00 z 0.00 6.72 a 162.41 a 416.36 b 477.86 b 614.50 g 831.46 c 483.10 a 103.00 2.59 a 0.00 d 2483.50
1970 4.65 a 0.50 0.00 24.50 f 286.50 f 530.00 c 567.00 h 738.66 b 401.25 b 100.23 a 10.38 d 3.10 a 1788.77
1971 0.00 b 3.04 e 63.03 a 92.31 d 245.70 d 461.50 f 721.27 a 696.00 404.44 c 142.71 b 6.50 4.28 b 2379.28
1972 2.00 9.00 61.00 162.41 a 316.72 a 609.44 c 761.57 a 687.68 a 499.66 a 326.65 d 0.00 0.00 a 3436.13
1973 0.00 0.00 0.50 g 56.00 292.20 d 355.50 k 675.80 a 669.50 411.11 c 135.50 g 66.11 c 0.00 2170.73
1974 0.00 a 0.00 65.00 124.80 e 436.67 b 588.21 b 707.63 e 593.28 b 429.83 a 246.93 b 2.68 b 0.00 b 3195.03
1975 0.00 b 0.00 b 5.34 b 55.96 d 257.62 b 424.50 f 730.57 a 663.50 410.00 c 189.88 c 22.50 0.00 z 2335.37
1976 0.00 4.30 b 6.20 a 92.68 b 328.50 532.22 c 708.02 c 608.00 418.39 b 126.21 c 0.00 d 0.00 c 2824.52
1977 0.00 b 0.00 1.60 b 140.77 d 316.95 b 626.54 d 744.00 b 731.82 c 0.00 z 0.00 z 0.00 z 1.00 h 2561.68
1978 0.00 e 0.00 c 36.88 b 144.00 297.60 a 640.50 779.77 e 618.93 b 489.00 0.00 z 0.00 z 0.00 3006.68
1979 0.00 0.00 a 4.28 b 130.80 e 332.70 c 561.43 b 739.98 d 662.00 503.57 b 286.50 0.00 0.00 3221.25
1980 1.50 2.50 1.55 a 93.33 c 281.50 643.50 794.00 702.00 518.28 a 172.50 46.55 a 3.62 a 3260.83
1981 0.00 a 0.00 a 7.75 a 226.00 327.50 690.50 780.34 b 643.00 464.50 161.64 c 33.00 2.00 3336.24
1982 0.00 2.00 10.00 97.00 266.50 484.00 699.50 714.00 452.50 117.50 13.00 0.00 2856.00
1983 0.00 0.50 21.50 64.50 233.50 470.00 753.50 722.00 557.50 142.50 27.50 0.00 2993.00
1984 0.00 0.00 0.50 55.00 440.50 522.00 746.00 684.00 496.50 116.50 11.50 0.00 3072.50
1985 0.00 0.00 25.00 116.00 340.00 573.50 711.00 689.00 382.00 152.00 24.00 0.00 3012.50
1986 1.55 a 13.00 47.50 138.50 302.50 566.00 655.50 652.00 382.00 105.50 12.50 0.00 2876.55
1987 0.00 0.00 0.00 z 132.50 281.50 564.00 709.50 625.00 373.50 214.00 16.50 0.00 2916.50
1988 0.00 0.00 1.00 117.12 d 308.00 629.00 712.00 710.50 420.00 242.50 40.50 0.00 3180.62
1989 0.00 1.00 84.50 221.50 435.50 582.50 791.50 457.00 j 487.50 197.50 11.54 d 0.00 2813.04
1990 0.00 1.00 44.00 141.50 336.00 689.50 689.00 631.50 529.50 188.00 17.00 0.00 3267.00
1991 0.00 0.00 10.50 96.00 352.50 576.00 707.00 671.00 450.50 239.00 0.00 0.00 a 3102.50
1992 0.00 0.00 0.50 201.00 400.00 536.00 670.00 611.00 467.50 234.00 0.00 0.00 a 3120.00
1993 0.00 0.00 13.50 117.50 210.00 o 588.00 750.00 668.00 435.50 185.50 4.14 a 0.00 2762.14
1994 0.00 1.00 36.00 148.00 418.50 690.50 732.00 744.50 452.00 147.00 19.00 0.00 3388.50
1995 0.00 3.00 47.00 91.00 271.00 548.50 694.00 760.50 479.00 173.00 11.38 a 9.00 3087.38
1996 0.00 17.50 14.50 139.00 559.00 647.50 780.00 725.50 449.00 224.00 29.50 0.00 3585.50
1997 0.50 0.00 68.00 89.00 381.00 601.50 721.00 706.50 566.00 207.00 0.00 0.00 3340.50
1998 0.00 1.50 48.00 66.00 389.00 594.00 807.50 719.50 584.50 213.50 10.50 0.00 3434.00
1999 1.50 4.50 59.42 a 116.79 b 323.50 561.60 e 788.00 691.19 d 438.50 210.28 a 16.55 a 0.00 b 3211.82
2000 5.17 a 6.00 18.50 253.39 b 516.00 669.50 792.10 b 771.00 550.00 178.00 g 1.67 c 0.00 3583.33
2001 0.00 a 0.50 27.79 b 216.72 a 468.62 a 659.42 d 813.75 a 683.60 b 520.96 d 229.92 a 36.50 0.00 a 3657.79
2002 0.00 0.00 25.50 276.50 431.00 747.00 836.50 774.00 488.00 174.50 8.00 0.00 3761.00
2003 0.00 5.00 29.50 i 180.50 465.00 570.00 912.50 761.50 481.50 325.00 44.40 e 4.00 3749.40
2004 0.00 0.00 99.50 g 145.00 438.50 492.00 f 442.00 j 526.50 f 466.80 e 174.24 b 18.50 0.00 d 1243.04
2005 3.50 1.50 14.50 g 144.00 437.50 481.00 g 815.50 524.00 g 564.00 229.52 e 62.00 0.60 e 2258.12
2006 0.00 7.00 g 9.00 n 219.50 375.50 f 411.00 k 782.15 e 710.02 e 0.00 z 107.00 g 27.12 d 0.00 i 1738.79
2007 0.00 j 0.00 71.50 g 96.00 m 363.00 444.00 i 758.00 782.50 531.50 227.00 20.50 0.00 2682.50
2008 0.00 0.00 21.00 125.00 358.50 592.00 769.00 707.50 469.50 193.50 22.00 0.00 3258.00
2009 0.00 7.50 51.50 126.00 460.00 539.00 758.00 660.00 441.00 134.00 49.50 0.00 3226.50
2010 0.00 0.00 19.50 166.00 377.00 693.50 790.00 761.50 575.00 235.00 20.00 5.00 3642.50
2011 0.00 1.62 b 64.50 167.68 b 344.62 a 687.50 859.22 a 811.50 483.50 184.50 2.50 0.00 3607.13
2012 0.00 0.00 107.00 252.00 457.00 776.00 806.50 736.50 499.14 a 233.50 17.00 2.50 3887.14
2013 0.00 0.00 29.45 a 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 29.45
Period of Record Statistics
MEAN 0.48 1.57 24.42 131.88 347.49 582.31 735.14 681.03 465.09 190.49 16.40 2.65 3196.41
S.D. 1.47 3.08 22.99 61.19 76.32 63.34 52.28 61.60 59.99 52.32 17.67 17.80 268.16
SKEW 4.58 2.92 1.03 1.54 0.37 0.49 0.22 0.41 0.06 0.65 1.90 9.64 0.41
MAX 11.00 17.50 107.00 440.50 590.50 776.00 912.50 903.50 626.00 326.65 103.00 178.77 3887.14
MIN 0.00 0.00 0.00 37.50 183.62 419.46 599.50 544.50 309.83 100.23 0.00 0.00 2647.85
NO YRS 106 106 100 103 101 97 103 101 100 96 102 102 69