BONNY DAM 2NE, COLORADO

Monthly Total Growing Degree Days

(050834)

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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 557.00 816.50 684.00 417.00 128.50 28.00 0.00 b 2631.00
1950 2.21 c 0.00 16.00 82.76 a 217.52 a 606.21 a 664.50 620.50 368.79 a 345.17 e 15.52 a 0.00 a 2939.18
1951 0.00 a 4.67 a 5.68 a 64.50 299.50 401.50 713.50 730.00 361.50 146.50 1.00 0.00 2728.35
1952 0.00 0.00 5.00 99.50 289.00 766.50 815.50 807.50 526.00 143.50 11.00 0.00 3463.50
1953 1.50 0.00 15.00 68.00 247.00 708.00 845.50 740.50 564.00 251.50 27.00 0.00 3468.00
1954 0.00 2.00 i 8.00 177.00 256.50 691.50 978.50 835.50 618.50 145.50 17.50 0.00 3728.50
1955 0.00 0.00 6.00 141.00 354.00 471.00 944.50 890.50 529.00 221.00 7.50 0.00 3564.50
1956 0.00 0.00 45.00 60.50 398.50 808.00 787.00 714.00 519.50 248.00 3.00 0.00 3583.50
1957 0.00 0.50 1.00 56.50 208.50 508.00 816.91 d 767.00 380.00 154.50 4.50 0.00 2897.41
1958 0.00 3.50 0.00 60.50 401.50 565.50 683.50 763.50 516.50 187.50 7.50 0.00 3189.50
1959 0.00 0.00 2.00 94.50 284.00 707.50 724.00 850.00 415.00 75.50 1.50 0.00 3154.00
1960 0.00 0.00 26.50 123.00 261.00 537.50 737.00 775.50 483.50 185.00 14.50 0.00 3143.50
1961 0.00 3.00 8.50 53.00 221.00 558.00 766.00 758.98 a 299.50 126.00 4.50 0.00 2798.48
1962 0.00 23.00 7.50 135.50 422.00 505.50 749.00 748.00 397.50 178.00 12.00 0.00 3178.00
1963 0.00 4.50 52.50 116.50 394.00 687.00 926.00 794.50 547.50 336.50 8.00 0.00 3867.00
1964 0.00 0.00 0.00 59.50 318.50 505.50 901.00 680.00 437.50 135.00 15.00 5.00 3057.00
1965 0.00 0.00 0.00 125.00 344.50 516.00 782.50 657.50 226.50 178.00 15.50 4.50 2850.00
1966 0.00 0.00 26.50 59.00 373.50 559.50 894.00 631.00 437.50 129.50 2.88 d 0.00 3113.38
1967 3.00 0.00 37.00 99.50 211.00 438.50 694.00 660.00 367.50 171.00 4.50 0.00 2686.00
1968 0.00 0.00 23.00 27.50 160.00 609.50 746.50 604.50 406.50 169.00 2.59 a 0.00 2749.09
1969 0.00 0.00 1.50 107.00 341.50 418.00 848.00 799.00 517.00 79.00 2.00 0.00 3113.00
1970 4.00 4.00 0.50 53.50 376.00 526.50 821.50 815.50 386.00 90.00 1.00 0.00 3078.50
1971 0.00 0.00 30.00 70.50 181.50 636.50 680.50 761.50 369.00 141.50 7.00 0.00 2878.00
1972 0.00 11.50 42.00 96.00 283.50 600.50 681.00 687.50 413.50 150.83 e 0.00 g 0.00 2966.33
1973 0.00 0.00 5.00 43.00 236.50 543.00 709.50 792.00 349.50 164.50 11.00 0.00 2854.00
1974 0.00 0.00 30.00 94.50 369.00 557.50 845.50 585.50 295.50 148.50 1.00 0.00 2927.00
1975 0.00 0.00 12.00 120.50 f 236.00 490.50 785.00 733.50 333.00 167.50 13.50 i 0.00 2757.50
1976 0.00 13.00 15.50 87.50 196.69 b 547.00 776.60 b 720.00 400.50 106.50 3.00 0.00 2866.29
1977 0.00 3.50 12.83 b 135.50 356.50 657.50 834.42 a 661.00 513.50 138.00 7.50 5.00 3325.24
1978 0.00 0.00 0.00 p 19.50 r 237.00 h 595.50 861.00 674.50 240.50 t 133.41 c 14.50 o 0.00 q 2264.41
1979 0.00 z 0.00 z 0.00 z 99.50 l 129.00 l 386.50 j 584.00 h 626.31 d 478.80 e 204.00 0.00 b 0.00 o 1309.11
1980 0.00 b 2.00 4.00 80.00 231.50 614.50 873.17 a 735.50 459.00 154.45 c 45.50 f 10.16 b 3164.27
1981 0.00 j 3.00 13.00 189.00 204.00 607.00 769.00 657.50 497.50 154.00 17.50 4.00 3115.50
1982 4.00 15.50 0.00 z 74.50 255.50 397.00 721.50 747.50 404.50 92.50 0.00 a 0.00 2712.50
1983 0.00 1.50 18.50 31.50 173.50 425.00 810.50 887.00 541.00 144.50 28.50 0.00 3061.50
1984 0.00 0.00 a 4.50 15.00 292.50 348.00 j 774.50 775.50 393.00 104.50 l 1.50 0.00 2256.50
1985 0.00 0.00 16.00 122.00 316.00 470.50 754.00 191.00 w 101.00 w 45.98 a 3.00 k 0.00 n 1724.48
1986 0.00 j 9.00 j 32.50 k 103.50 j 222.00 i 365.50 l 270.00 u 397.50 n 241.50 m 71.00 j 0.00 n 0.00 t 0.00
1987 0.00 l 1.04 a 2.50 m 72.50 j 206.00 m 307.50 n 280.50 u 222.00 u 175.50 o 74.00 n 17.50 o 0.00 v 1.04
1988 0.00 n 0.00 i 0.00 z 68.04 b 192.50 l 262.00 r 349.00 q 409.00 o 239.00 k 84.00 n 5.00 u 0.00 y 68.04
1989 0.00 k 0.00 k 26.00 l 46.00 m 62.00 x 210.50 q 516.50 k 178.00 w 281.00 i 91.50 m 0.00 z 0.00 v 0.00
1990 0.00 0.00 18.00 131.00 206.50 660.50 728.00 693.00 526.00 145.50 22.00 0.00 3130.50
1991 0.00 0.50 25.00 66.50 368.00 650.00 743.00 689.00 439.00 191.50 5.00 0.00 3177.50
1992 0.00 0.00 16.50 133.00 355.50 480.50 672.00 587.00 446.00 186.50 0.50 0.00 2877.50
1993 0.00 a 0.00 26.50 66.00 280.50 510.50 717.00 649.50 300.00 159.50 0.00 k 0.00 2709.50
1994 0.00 0.00 33.00 111.50 413.00 701.50 712.50 775.50 488.50 138.00 10.00 0.00 3383.50
1995 1.00 7.50 40.00 49.00 112.50 478.00 727.50 836.00 441.00 115.00 20.50 0.00 2828.00
1996 0.00 z 0.00 z 0.00 z 0.00 z 293.00 606.00 734.50 672.00 352.50 168.50 9.00 3.50 2839.00
1997 5.00 0.00 33.50 66.00 253.00 608.50 786.50 687.50 476.50 191.50 1.00 0.00 3109.00
1998 0.00 0.00 43.00 61.00 377.00 537.00 811.50 712.00 603.00 135.00 18.50 3.00 3301.00
1999 0.00 3.50 24.50 75.50 279.00 548.50 866.00 745.50 364.00 156.50 58.50 0.00 3121.50
2000 0.00 10.00 13.50 130.00 395.50 590.00 850.50 874.00 534.50 165.50 1.50 0.00 3565.00
2001 0.00 0.00 9.50 129.50 339.50 668.40 e 894.50 801.50 478.50 161.00 46.50 0.00 3528.90
2002 5.00 0.00 0.50 160.00 292.50 790.50 914.50 773.50 463.00 95.00 14.00 0.00 3508.50
2003 3.50 7.00 46.50 163.50 304.50 517.50 896.00 844.50 402.50 257.50 4.50 0.00 3447.50
2004 0.00 4.50 55.50 114.00 406.50 391.50 i 451.00 k 584.50 470.00 105.00 15.00 0.00 1755.00
2005 1.00 0.00 11.50 88.50 328.50 595.50 857.50 733.00 0.00 z 152.50 40.00 0.00 2808.00
2006 0.00 4.50 25.00 163.50 387.00 698.50 890.50 744.00 296.00 144.50 28.50 0.00 3382.00
2007 0.00 0.00 49.00 77.50 357.00 585.50 827.00 842.50 530.00 189.00 38.00 3.00 3498.50
2008 0.00 2.00 9.50 62.00 292.50 574.00 865.00 671.00 378.50 147.50 31.50 0.00 3033.50
2009 3.00 0.50 39.50 72.50 309.50 514.50 692.00 668.50 362.50 47.50 21.00 0.00 2731.00
2010 0.00 0.00 29.50 96.00 218.50 637.50 778.50 778.50 508.50 180.50 23.00 0.00 3250.50
2011 0.00 c 6.00 32.50 102.41 a 211.50 661.00 922.50 845.50 335.00 f 189.00 6.50 0.00 g 2976.91
2012 0.00 0.00 z 119.00 204.50 407.00 822.00 961.50 808.50 496.00 128.00 21.50 0.50 3968.50
2013 0.00 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 0.00
Period of Record Statistics
MEAN 0.58 2.46 21.66 94.54 296.49 582.98 799.66 735.40 437.98 157.97 13.33 0.69 3149.02
S.D. 1.35 4.50 20.45 41.56 75.96 99.29 81.39 78.98 84.08 54.76 12.91 1.87 287.20
SKEW 2.21 2.58 2.10 0.59 -0.19 0.36 0.24 -0.02 -0.14 1.08 1.37 3.15 0.33
MAX 5.00 23.00 119.00 204.50 422.00 822.00 978.50 890.50 618.50 345.17 58.50 10.16 3867.00
MIN 0.00 0.00 0.00 15.00 112.50 397.00 664.50 584.50 226.50 45.98 0.00 0.00 2686.00
NO YRS 57 57 55 56 57 57 58 59 56 59 54 56 43