ALTENBERN, COLORADO

Monthly Total Growing Degree Days

(050214)

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
1947 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
1948 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
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 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
1955 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
1956 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
1957 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
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 374.50 i 329.00 51.00 8.50 388.50
1959 0.00 2.00 19.12 a 215.00 469.00 773.50 915.02 a 841.50 528.00 211.00 19.00 0.00 3993.13
1960 0.00 0.00 63.50 220.00 425.00 743.50 945.50 852.00 658.50 276.50 38.50 0.00 4223.00
1961 0.00 7.00 42.50 152.00 476.50 803.50 957.50 954.00 415.50 239.50 2.50 2.00 4052.50
1962 0.00 26.00 22.00 288.00 399.50 675.00 849.00 817.50 562.50 322.00 61.00 1.00 4023.50
1963 0.00 4.00 59.50 210.50 572.50 676.00 991.00 832.50 668.00 421.00 57.50 0.00 4492.50
1964 0.00 0.00 14.50 137.50 431.00 657.00 1002.00 789.50 556.00 351.00 24.50 0.00 a 3963.00
1965 0.00 0.00 17.50 168.50 375.50 562.50 872.50 764.50 381.50 294.50 97.00 3.00 3537.00
1966 0.00 0.00 85.00 218.50 545.00 698.00 979.60 a 853.50 613.50 214.50 47.50 8.50 4263.60
1967 1.50 0.50 110.00 161.00 407.00 569.00 900.00 818.50 570.50 274.87 a 22.78 c 0.00 3835.64
1968 0.00 2.50 51.00 84.00 385.50 728.00 914.50 705.25 a 511.00 298.50 10.00 0.00 3690.25
1969 0.00 5.00 40.50 288.00 596.00 618.50 938.50 932.00 631.03 a 115.00 14.00 1.50 4180.03
1970 4.00 9.50 18.50 96.50 502.50 663.50 914.50 903.00 517.00 147.50 34.50 0.00 3811.00
1971 0.00 1.50 98.00 217.50 422.50 755.00 948.00 938.00 443.00 271.00 2.00 14.00 4110.50
1972 0.50 25.50 155.00 249.00 488.00 753.00 954.00 875.00 588.50 326.00 0.00 0.00 4414.50
1973 0.00 1.50 11.50 141.50 446.40 a 642.00 914.00 857.00 516.50 288.50 66.00 3.00 3887.90
1974 0.00 0.00 99.50 138.50 534.50 773.50 911.00 785.00 552.00 329.50 5.00 0.00 4128.50
1975 0.00 0.00 34.00 143.00 356.00 581.50 902.50 777.00 543.00 254.50 44.00 0.00 3635.50
1976 0.00 5.50 28.00 181.50 467.50 629.50 944.00 783.00 600.00 188.50 33.50 0.00 3861.00
1977 0.00 2.50 15.00 299.50 504.50 874.50 963.50 848.50 619.50 310.00 40.50 3.00 4481.00
1978 0.00 0.50 99.00 255.00 413.50 737.00 936.50 822.00 598.00 306.00 78.50 0.00 4246.00
1979 0.00 0.00 10.00 203.79 a 426.50 694.50 936.00 802.50 675.00 358.50 2.00 0.00 a 4108.79
1980 1.50 6.00 5.50 204.00 394.73 a 715.00 955.00 824.00 611.50 264.02 a 76.50 8.50 4066.25
1981 0.00 6.50 14.00 309.00 455.50 804.00 951.00 849.50 663.00 239.00 55.86 a 0.00 4347.36
1982 0.00 2.00 42.00 136.00 393.00 630.50 857.50 896.50 566.50 147.00 6.00 0.50 3677.50
1983 0.00 2.50 50.00 107.50 327.00 600.50 853.00 910.50 655.50 291.00 64.50 0.00 3862.00
1984 0.00 0.00 16.50 103.00 522.50 599.00 931.50 876.00 578.00 163.00 23.50 0.00 3813.00
1985 0.00 0.00 38.50 252.50 453.50 744.50 903.00 842.00 443.00 221.00 15.50 0.00 3913.50
1986 2.07 a 50.00 148.00 213.00 410.50 760.00 852.00 842.00 483.00 215.50 12.50 0.50 3989.07
1987 0.00 1.50 27.50 252.50 485.50 753.00 869.50 773.50 568.50 363.00 57.50 1.00 4153.00
1988 0.00 3.50 34.50 247.50 454.50 821.50 961.00 861.00 537.50 420.50 55.00 0.00 4396.50
1989 0.00 6.50 159.00 353.50 584.35 a 703.00 982.00 813.00 617.00 252.00 20.00 0.00 4490.35
1990 1.00 1.00 93.00 241.50 383.50 785.50 792.50 732.00 745.50 254.50 26.50 0.00 4056.50
1991 0.00 2.00 38.50 148.00 477.50 703.50 899.00 879.00 572.00 330.00 12.50 0.00 4062.00
1992 0.00 1.00 59.00 330.00 526.00 671.00 766.00 796.50 564.50 323.00 0.00 0.00 4037.00
1993 0.00 1.00 65.50 162.50 472.50 619.00 820.00 771.00 517.00 240.00 4.00 0.00 3672.50
1994 0.00 1.50 99.50 202.00 514.50 810.00 951.50 914.00 596.50 222.00 28.00 0.00 4339.50
1995 0.00 32.50 97.50 141.00 318.00 575.00 814.00 920.50 588.00 219.50 41.50 8.00 3755.50
1996 0.00 7.50 58.00 202.00 530.00 715.50 956.00 876.50 485.50 265.50 25.00 4.50 4126.00
1997 0.00 1.00 117.50 140.00 487.50 721.00 874.00 848.50 625.50 252.50 26.00 0.00 4093.50
1998 0.00 3.00 78.50 136.50 473.50 594.50 944.50 906.50 725.00 265.00 34.00 1.00 4162.00
1999 0.00 10.50 103.50 154.00 381.50 661.50 896.00 810.50 514.50 307.00 95.50 1.50 3936.00
2000 7.50 8.50 38.50 305.50 583.00 763.00 977.00 969.00 595.50 311.00 0.00 0.00 4558.50
2001 0.00 4.00 83.00 248.50 521.00 752.50 949.50 885.00 644.50 296.50 0.00 z 0.00 4384.50
2002 0.00 0.00 62.00 308.50 499.00 870.50 1058.50 913.50 604.00 189.00 3.50 0.00 4508.50
2003 1.50 2.50 87.50 230.50 510.50 730.00 1099.50 981.00 619.50 460.50 30.00 5.50 4758.50
2004 0.00 4.50 194.50 256.50 518.50 736.00 917.50 851.00 555.00 247.50 21.50 0.00 4302.50
2005 0.00 0.00 25.50 200.50 0.00 z 596.50 935.50 777.00 575.00 305.00 74.00 1.50 3490.50
2006 3.00 9.50 44.00 258.50 543.00 789.00 0.00 z 815.50 431.50 221.50 50.00 0.00 3165.50
2007 0.00 6.50 178.00 265.50 504.00 750.50 1049.50 974.00 645.00 273.00 59.00 0.00 4705.00
2008 0.00 1.00 34.00 135.00 395.50 702.00 962.00 899.50 598.50 293.50 44.50 0.00 4065.50
2009 0.00 12.50 105.92 a 206.50 563.50 651.00 928.50 849.50 627.41 a 199.00 74.50 0.00 4218.33
2010 0.00 0.00 36.00 222.00 408.50 749.00 948.00 862.50 634.00 350.00 57.00 5.50 4272.50
2011 0.00 0.00 61.50 158.00 378.00 700.00 941.00 949.00 654.00 272.00 11.50 0.00 4125.00
2012 2.00 0.00 160.00 315.50 548.70 a 860.50 1003.00 962.00 652.00 300.50 69.50 7.50 4881.20
2013 0.00 0.00 84.00 4.50 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 84.00
Period of Record Statistics
MEAN 0.45 5.13 66.07 207.70 465.34 708.27 928.07 855.25 578.55 274.57 35.67 1.64 4123.20
S.D. 1.27 9.03 46.96 66.03 68.84 79.18 62.15 63.72 74.72 67.83 26.31 3.07 295.86
SKEW 3.87 3.20 0.91 0.18 -0.08 0.01 -0.09 0.05 -0.46 0.19 0.44 2.15 0.37
MAX 7.50 50.00 194.50 353.50 596.00 874.50 1099.50 981.00 745.50 460.50 97.00 14.00 4881.20
MIN 0.00 0.00 5.50 84.00 318.00 562.50 766.00 705.25 381.50 115.00 0.00 0.00 3537.00
NO YRS 55 55 55 54 53 54 53 54 54 55 54 55 51