DENVER STAPLETON, COLORADO

Monthly Total Growing Degree Days

(052220)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201301
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 707.50 503.00 111.00 9.50 0.00 1331.00
1949 0.00 0.00 3.50 110.50 238.50 451.00 693.00 662.50 396.50 99.00 39.50 1.00 2695.00
1950 5.00 2.00 11.50 70.00 172.00 504.50 585.50 584.50 317.50 314.50 12.00 1.00 2580.00
1951 1.50 15.00 2.50 35.00 241.00 357.50 726.00 640.50 357.00 90.50 0.00 0.50 2467.00
1952 0.00 0.00 0.00 71.00 240.00 661.00 715.50 689.00 467.00 151.50 5.50 0.00 3000.50
1953 15.00 0.50 18.50 49.00 194.00 589.50 744.00 657.00 480.00 182.50 37.00 0.00 2967.00
1954 0.50 15.00 8.50 164.50 272.00 579.00 829.00 702.50 478.00 183.50 17.50 0.00 3250.00
1955 0.00 0.00 7.00 118.00 284.00 419.00 790.50 714.00 426.50 176.50 9.50 17.50 2962.50
1956 4.50 0.00 43.50 34.50 352.50 701.50 688.50 611.00 465.50 217.00 14.00 0.00 3132.50
1957 0.00 7.50 2.00 28.00 169.00 474.50 729.00 700.50 346.50 124.00 3.50 2.50 2587.00
1958 0.00 4.50 0.00 42.50 369.00 544.00 629.50 730.00 442.00 201.50 17.00 2.00 2982.00
1959 0.00 0.00 3.00 98.50 225.50 626.00 699.50 713.50 377.50 71.00 10.00 2.00 2826.50
1960 0.00 0.00 30.00 125.00 253.50 550.00 717.00 725.50 450.50 138.50 9.50 0.00 2999.50
1961 0.00 3.00 5.00 68.00 211.50 484.00 665.50 686.00 229.50 102.00 0.00 0.00 2454.50
1962 0.00 10.00 5.00 128.00 306.50 467.00 708.50 696.50 378.50 138.00 2.00 0.00 2840.00
1963 0.00 15.50 36.50 74.00 343.00 501.00 768.50 580.50 476.00 271.00 5.50 0.00 3071.50
1964 0.00 0.00 1.50 51.50 284.00 450.50 798.00 632.50 377.50 133.00 14.00 12.00 2754.50
1965 0.00 0.00 3.50 98.00 238.50 416.50 702.50 626.00 246.00 171.50 13.00 2.00 2517.50
1966 1.50 0.00 27.50 32.00 291.00 441.00 833.00 645.50 455.00 153.50 7.00 0.00 2887.00
1967 0.00 0.00 39.50 70.00 156.50 318.00 591.00 564.50 363.00 140.50 20.00 0.00 2263.00
1968 0.00 0.00 11.50 19.50 150.50 532.50 672.00 561.50 325.50 114.00 2.00 1.50 2390.50
1969 0.00 0.00 7.50 108.00 297.50 350.00 765.00 741.00 432.50 37.00 0.50 0.00 2739.00
1970 1.50 3.50 0.50 25.50 296.00 459.00 680.00 739.00 306.00 63.50 8.00 0.00 2582.50
1971 7.00 0.00 21.00 53.50 163.00 569.00 637.50 705.00 299.50 90.00 20.00 0.50 2566.00
1972 0.00 7.50 42.50 73.00 235.00 547.50 626.50 650.00 365.50 163.00 0.00 0.50 2711.00
1973 0.00 0.00 0.50 31.50 201.50 525.50 649.50 726.50 311.00 180.00 21.50 0.00 2647.50
1974 0.00 0.00 29.50 71.00 359.50 558.50 764.00 603.00 299.50 141.00 3.00 0.00 2829.00
1975 0.00 0.00 5.00 54.50 159.00 431.50 704.00 643.00 294.00 176.50 31.00 2.00 2500.50
1976 0.00 5.50 7.00 50.50 212.00 491.50 782.00 627.00 359.00 95.50 14.50 0.00 2644.50
1977 0.00 0.50 12.00 130.00 331.50 656.00 753.00 626.00 496.50 130.50 8.50 0.00 3144.50
1978 0.00 0.00 49.50 69.00 213.50 512.00 764.50 609.00 457.50 142.00 28.00 0.00 2845.00
1979 0.00 3.00 5.00 103.00 223.00 478.50 733.50 603.00 487.50 193.50 0.00 0.00 2830.00
1980 0.00 3.50 0.00 91.00 234.50 658.00 817.00 717.00 473.50 159.50 50.00 23.00 3227.00
1981 0.50 7.00 4.00 220.50 238.50 610.50 802.00 681.50 544.50 166.50 38.50 7.00 3321.00
1982 5.00 7.00 0.00 65.00 198.00 394.00 701.00 716.00 356.50 71.00 1.00 0.00 2514.50
1983 0.00 0.00 1.00 31.00 138.00 385.00 720.00 757.50 459.00 123.50 24.50 0.00 2639.50
1984 0.00 0.00 2.50 7.50 319.50 495.50 771.00 675.50 368.00 74.50 3.50 0.50 2718.00
1985 0.00 0.00 13.00 115.50 314.50 538.50 712.00 692.50 344.50 90.00 3.00 0.00 2823.50
1986 6.00 16.50 57.50 86.00 230.00 608.00 727.50 686.50 319.00 66.50 5.00 0.00 2808.50
1987 0.00 3.50 13.00 173.50 309.00 574.50 755.00 640.50 370.50 133.00 14.50 1.00 2988.00
1988 0.00 0.00 21.50 109.50 305.50 655.00 748.00 732.00 375.50 154.00 19.50 2.00 3122.50
1989 0.00 3.00 62.00 174.50 285.00 462.00 801.00 671.00 402.50 148.50 34.50 2.50 3046.50
1990 4.50 0.00 5.00 83.00 236.50 677.50 644.00 659.00 507.00 154.50 60.50 4.00 3035.50
1991 0.00 0.00 18.00 56.00 337.00 581.50 715.50 664.50 378.50 178.50 6.50 0.00 2936.00
1992 0.00 5.00 2.50 173.00 330.50 482.00 635.50 570.00 456.00 175.00 0.00 0.00 2829.50
1993 0.00 0.00 26.00 64.00 283.00 493.00 713.00 620.00 328.50 112.00 0.00 0.00 2639.50
1994 0.00 0.00 40.00 124.50 410.00 704.50 739.50 774.00 517.00 113.50 18.00 2.50 3443.50
1995 0.00 7.50 30.00 34.00 66.00 371.00 668.00 785.50 378.00 101.50 19.50 3.00 2464.00
1996 0.50 6.50 5.50 103.00 318.00 566.50 735.50 675.50 355.50 165.50 11.00 2.50 2945.50
1997 8.00 0.00 38.00 44.50 250.00 559.00 732.50 621.00 440.00 153.50 1.50 0.00 2848.00
1998 0.00 0.00 37.00 38.00 324.00 432.50 751.50 660.50 536.00 87.50 20.50 5.50 2893.00
1999 0.00 0.00 42.00 48.00 231.00 466.50 783.50 655.50 318.00 152.50 73.00 0.00 2770.00
2000 0.00 0.00 8.50 128.50 358.00 556.50 833.50 768.50 410.50 106.50 0.00 0.00 3170.50
2001 0.00 0.00 5.00 99.00 285.50 582.00 821.50 713.00 a 467.00 121.50 33.50 0.00 3128.00
2002 0.00 4.50 1.50 126.50 242.00 674.00 847.00 688.50 414.50 52.00 2.00 0.00 3052.50
2003 3.00 9.00 33.50 134.00 270.00 420.50 864.00 755.50 329.50 250.50 2.50 0.00 3072.00
2004 0.00 4.50 58.00 78.50 318.50 416.00 644.00 535.00 379.50 83.50 14.00 3.00 2534.50
2005 2.00 0.00 6.50 44.50 260.00 474.50 812.00 628.50 460.50 143.00 31.00 2.50 2865.00
2006 2.00 3.00 13.00 126.00 327.00 650.00 761.00 656.00 249.50 115.00 26.50 0.50 2929.50
2007 0.00 0.00 60.50 52.50 265.00 526.50 787.50 738.00 421.50 160.50 40.00 5.00 3057.00
2008 0.00 0.00 3.00 54.50 222.00 511.00 794.00 644.00 332.00 130.00 43.50 1.50 2735.50
2009 6.00 3.50 45.00 59.00 0.00 z 401.50 612.00 599.50 364.50 37.50 27.00 0.00 2155.50
2010 0.00 0.00 20.50 47.50 189.50 560.00 717.50 721.50 484.00 170.00 14.00 0.00 2924.50
2011 0.00 2.50 12.00 55.00 135.50 516.50 777.58 a 779.50 364.00 157.50 9.00 0.00 2809.08
2012 3.00 0.00 94.50 138.00 335.50 709.50 861.00 738.00 464.00 128.00 22.00 5.00 3498.50
2013 0.00 0.00 18.00 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 18.00
Period of Record Statistics
MEAN 1.18 2.76 19.05 81.91 257.95 521.26 733.61 672.68 397.48 137.44 16.19 1.78 2848.53
S.D. 2.63 4.27 20.15 44.74 67.93 94.86 66.82 58.55 74.23 51.33 15.67 3.94 258.37
SKEW 3.02 1.76 1.35 0.79 -0.28 0.12 -0.17 -0.16 -0.09 0.68 1.35 3.74 0.15
MAX 15.00 16.50 94.50 220.50 410.00 709.50 864.00 785.50 544.50 314.50 73.00 23.00 3498.50
MIN 0.00 0.00 0.00 7.50 66.00 318.00 585.50 535.00 229.50 37.00 0.00 0.00 2263.00
NO YRS 65 65 65 64 63 64 64 65 65 65 65 65 63