GLENWOOD SPGS #2, COLORADO

Monthly Total Growing Degree Days

(053359)

Base Temperature = 40 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
1893 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 678.00 346.00 63.00 11.00 1098.00
1894 0.50 1.50 191.50 341.50 586.50 695.50 938.27 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2755.27
1895 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
1896 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
1897 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
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 960.00 0.00 z 0.00 z 0.00 z 0.00 z 960.00
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 487.00 h 705.50 0.00 z 0.00 z 0.00 z 8.50 o 0.00 705.50
1903 0.00 0.00 25.83 a 147.50 162.00 p 609.50 798.00 749.50 0.00 z 236.50 27.00 0.00 z 2593.83
1904 0.00 32.50 50.00 204.00 400.00 501.50 732.50 759.00 0.00 z 212.50 0.50 0.00 2892.50
1905 0.00 0.00 66.50 174.00 280.00 637.00 763.00 795.50 508.00 115.50 4.00 0.00 3343.50
1906 0.00 g 0.50 33.00 180.00 367.50 597.50 757.50 731.50 502.00 0.00 z 0.00 z 0.00 j 3169.50
1907 0.00 10.50 116.00 214.50 290.50 537.50 784.50 740.00 454.50 0.00 z 0.00 z 0.00 3148.00
1908 0.00 3.00 76.00 192.50 275.00 485.50 800.00 708.00 602.00 218.00 0.00 0.00 3360.00
1909 0.00 0.00 14.00 146.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 21.00 p 0.00 160.50
1910 0.00 0.00 146.50 238.50 488.50 742.00 864.00 683.00 589.50 229.00 34.50 0.00 a 4015.50
1911 13.50 2.50 69.00 183.00 403.00 633.00 769.50 749.50 527.50 152.50 22.50 0.00 3525.50
1912 0.00 0.00 12.50 79.00 388.50 526.15 d 715.50 684.07 a 273.50 i 197.50 22.00 0.00 2625.22
1913 0.00 0.00 2.00 148.50 429.50 604.00 708.00 778.50 547.00 187.00 34.50 0.00 3439.00
1914 0.00 0.00 10.50 261.50 491.00 595.50 711.50 764.50 0.00 z 0.00 z 0.00 z 0.00 z 2834.50
1915 0.00 g 0.00 38.00 302.50 203.00 m 521.00 742.50 700.00 492.50 231.50 40.50 0.00 g 3068.50
1916 0.00 0.00 14.50 132.00 324.00 501.50 786.00 671.50 244.50 m 162.48 b 26.50 0.00 2618.48
1917 0.00 a 2.50 16.00 82.50 211.00 501.67 c 0.00 z 0.00 z 495.00 215.50 22.50 3.50 1550.17
1918 0.00 z 0.00 z 69.50 p 154.50 297.00 f 664.50 733.00 705.50 466.50 290.00 34.50 0.00 3048.50
1919 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 681.00 i 699.50 191.00 42.50 0.00 g 933.00
1920 0.00 5.00 16.50 89.00 535.50 727.00 950.00 835.00 558.50 270.00 29.50 0.00 4016.00
1921 0.00 32.50 102.30 a 181.50 476.50 740.50 937.00 854.50 613.00 408.00 43.50 13.00 4402.30
1922 0.00 8.00 48.00 186.50 449.50 b 820.50 835.50 923.00 697.00 331.50 9.50 0.00 4309.00
1923 0.00 e 0.00 19.50 180.00 510.00 695.00 c 984.00 838.50 510.00 d 223.50 10.00 0.00 3970.50
1924 0.00 8.00 12.00 182.00 452.50 753.00 898.00 854.29 e 571.07 b 244.00 i 0.00 z 0.00 z 3730.86
1925 0.00 z 0.00 z 0.00 z 0.00 z 633.00 679.50 966.00 798.50 590.50 251.00 6.00 0.00 3924.50
1926 0.50 3.50 65.50 306.50 489.00 745.00 892.50 887.00 579.50 326.50 49.00 6.50 4351.00
1927 0.00 3.50 45.50 248.00 488.00 705.00 c 905.50 792.50 579.00 298.50 61.50 0.00 4127.00
1928 0.00 5.00 81.50 189.00 558.00 480.50 f 903.50 826.00 619.50 323.50 8.50 j 0.00 3506.00
1929 0.00 0.00 13.50 146.00 443.00 681.00 582.00 k 633.00 j 522.50 304.00 0.52 a 2.00 2112.52
1930 0.00 4.50 37.50 339.00 409.41 b 701.50 927.00 881.00 559.00 248.50 34.00 0.00 4141.41
1931 0.00 1.50 45.50 253.00 420.00 796.50 1008.02 a 888.50 598.50 331.00 72.50 0.00 4415.02
1932 0.00 6.00 33.00 220.00 518.50 687.78 c 921.50 881.00 604.00 302.00 7.50 2.00 4183.28
1933 0.00 0.00 52.50 142.00 357.50 825.50 1000.50 861.00 713.50 430.50 44.00 2.00 4429.00
1934 0.00 36.00 181.50 358.45 a 668.00 0.00 z 1021.00 971.00 0.00 z 356.50 96.50 0.00 3688.95
1935 0.00 0.50 18.50 168.50 361.00 668.89 c 959.00 928.00 630.00 316.00 27.41 a 0.00 4077.80
1936 0.00 0.00 56.50 311.50 583.00 817.78 c 995.00 918.00 607.00 299.15 a 26.50 0.00 4614.43
1937 0.00 a 0.00 48.00 185.50 578.50 744.00 953.00 936.00 689.00 360.38 c 62.50 1.50 4558.38
1938 0.00 5.50 58.00 269.50 438.00 739.00 884.00 919.00 662.00 363.50 10.00 0.00 4348.50
1939 0.00 0.00 105.50 310.00 579.50 674.00 965.00 915.00 680.50 276.50 84.50 15.00 4605.50
1940 0.00 10.00 98.50 248.50 588.00 797.50 989.50 919.50 668.00 337.00 15.50 3.50 4675.50
1941 0.00 14.00 a 55.50 173.50 554.50 638.00 887.00 888.50 566.50 324.00 40.00 0.00 4141.50
1942 0.00 0.00 7.00 293.50 491.00 760.86 a 999.00 942.50 662.00 394.50 80.50 0.00 4630.86
1943 0.00 14.50 94.50 286.50 i 473.00 719.50 998.50 908.50 726.00 387.50 47.00 i 0.00 a 4322.00
1944 0.00 0.50 34.50 181.00 514.00 690.00 956.50 944.98 a 574.00 f 454.31 b 74.00 0.00 a 3849.79
1945 0.00 2.50 65.50 183.50 556.00 626.00 986.00 938.00 627.41 a 441.00 46.00 0.00 4471.91
1946 0.00 7.50 131.00 411.00 470.50 783.00 1021.50 970.00 674.00 243.00 0.00 9.00 4720.50
1947 0.00 8.30 a 105.50 253.50 600.00 628.00 986.00 937.50 732.00 443.00 28.00 1.50 4723.30
1948 0.00 9.50 20.00 280.00 573.00 729.50 920.00 832.50 687.00 278.00 7.00 0.00 4336.50
1949 0.00 0.00 a 36.50 268.45 a 491.00 685.00 912.00 871.00 625.00 260.00 52.50 0.00 4201.45
1950 0.00 d 0.00 z 0.00 z 0.00 z 0.00 z 471.50 m 917.08 a 842.50 628.00 464.00 95.00 3.00 2949.58
1951 0.00 3.50 44.00 205.50 512.50 626.50 983.00 864.00 573.50 259.50 4.50 0.00 4076.50
1952 0.00 0.00 8.00 264.50 516.00 777.50 947.00 893.50 681.50 376.00 62.00 0.00 4526.00
1953 0.00 1.50 87.50 167.00 360.50 756.50 966.00 803.50 645.52 a 363.00 74.00 0.50 4225.52
1954 0.00 5.50 40.50 304.00 564.50 734.50 1026.50 871.00 661.00 370.50 68.79 a 0.00 4646.79
1955 0.00 0.00 19.50 179.50 468.50 679.00 1007.00 974.50 668.00 350.00 10.50 7.50 4364.00
1956 1.50 0.00 73.50 241.00 572.00 822.50 930.50 807.50 666.00 353.00 6.50 0.00 4474.00
1957 0.00 14.50 67.50 194.00 377.68 a 671.00 911.50 866.00 550.00 323.00 24.50 0.00 3999.68
1958 0.00 15.50 26.50 158.50 587.00 781.00 873.00 948.00 629.00 347.00 59.50 0.50 4425.50
1959 0.00 0.00 31.00 225.00 492.00 821.00 930.00 861.00 541.50 252.00 25.00 0.00 4178.50
1960 0.00 0.00 108.50 270.00 518.00 805.00 990.50 907.50 694.00 312.00 50.50 0.00 4656.00
1961 0.00 1.00 71.00 178.50 513.50 805.50 949.00 944.50 426.50 265.50 1.50 4.00 4160.50
1962 0.00 25.00 19.50 305.00 473.50 703.50 864.00 837.00 635.00 355.47 a 84.00 0.00 4301.97
1963 0.00 14.50 84.50 241.55 a 573.50 712.24 a 973.50 872.00 706.50 447.50 64.00 0.00 4689.79
1964 0.00 0.00 12.00 136.50 436.58 a 634.00 1006.50 780.00 512.50 313.50 17.50 0.00 3849.08
1965 0.00 0.00 10.50 144.50 361.00 645.50 893.50 802.50 435.00 317.00 48.00 0.00 b 3657.50
1966 0.00 0.00 33.00 206.50 496.50 660.00 989.00 799.00 598.50 188.50 18.00 1.00 3990.00
1967 0.00 1.50 0.00 z 0.00 z 357.50 547.50 846.00 770.50 533.00 217.00 25.00 0.00 3298.00
1968 0.00 2.00 51.00 112.00 419.53 a 736.50 901.00 777.50 501.50 274.50 6.50 0.00 3782.03
1969 0.00 3.00 37.00 293.00 592.50 626.00 922.00 925.00 472.00 79.50 1.00 0.50 3951.50
1970 0.00 1.00 14.00 105.52 a 544.00 713.00 919.50 917.50 494.50 138.98 a 18.00 0.00 3866.00
1971 0.00 0.00 62.50 156.50 361.00 722.00 963.00 979.50 526.50 300.50 11.50 0.50 4083.50
1972 0.00 26.50 160.50 258.00 480.00 766.03 a 935.50 897.50 590.50 322.00 0.00 0.00 4436.53
1973 0.00 z 0.00 b 11.50 76.00 0.00 z 581.00 0.00 z 0.00 z 0.00 z 0.00 z 65.50 8.50 742.50
1974 0.00 z 0.00 z 0.00 z 113.50 0.00 z 661.00 0.00 z 0.00 z 0.00 z 354.00 0.00 z 0.00 1128.50
1975 0.00 1.00 52.00 138.50 362.50 600.50 891.50 768.50 508.50 232.00 37.00 0.00 3592.00
1976 0.00 10.00 35.00 190.00 445.50 656.00 938.00 766.00 534.50 160.50 36.00 0.50 3772.00
1977 0.00 5.50 39.00 329.00 491.50 868.50 971.00 912.00 606.00 333.00 57.50 0.00 4613.00
1978 0.00 0.00 92.50 205.50 397.00 736.00 898.50 791.50 622.50 402.50 103.00 0.00 4249.00
1979 0.00 e 0.00 0.00 z 0.00 z 458.50 700.34 a 956.00 864.00 700.00 366.50 0.00 0.00 4045.34
1980 0.50 1.61 b 17.64 b 213.62 a 407.50 758.50 951.00 826.84 b 0.00 z 264.50 68.00 26.50 3536.21
1981 0.00 13.50 43.50 313.45 a 0.00 z 775.00 969.50 919.15 a 712.00 249.00 93.00 4.13 a 4092.23
1982 0.00 3.50 76.00 166.50 384.50 705.50 931.00 979.00 559.50 182.50 4.50 0.00 3992.50
1983 0.00 8.50 87.32 a 124.00 369.50 646.50 930.00 1014.00 708.00 321.50 77.50 0.00 b 4286.82
1984 0.00 0.00 0.00 z 105.50 524.00 0.00 z 955.00 905.50 662.00 222.50 49.50 0.00 3424.00
1985 0.00 3.50 94.60 b 273.00 555.50 756.50 962.00 939.50 524.00 274.50 26.25 b 0.00 4409.35
1986 2.50 33.50 157.00 0.00 z 0.00 z 0.00 z 865.00 874.50 516.00 263.50 33.62 a 0.00 2745.62
1987 0.50 5.50 36.00 285.00 0.00 z 771.50 913.50 832.50 624.00 369.50 81.50 6.00 3925.50
1988 0.00 6.50 66.00 288.00 0.00 z 860.69 a 965.00 887.50 524.50 378.50 68.50 0.00 4045.19
1989 0.00 6.50 130.00 285.50 488.50 677.00 978.00 0.00 z 0.00 z 295.00 35.17 a 0.00 2895.67
1990 0.00 2.50 107.00 266.50 420.50 794.50 935.00 848.50 735.00 246.50 46.50 0.00 4402.50
1991 0.00 0.00 31.00 163.00 443.00 700.00 912.00 912.50 620.50 339.50 28.00 0.00 4149.50
1992 0.00 1.00 84.50 332.50 562.50 672.00 837.50 865.50 590.50 373.00 0.00 0.00 4319.00
1993 0.00 0.00 76.98 a 140.00 449.50 623.00 846.50 818.50 533.50 0.00 z 4.50 0.00 3492.48
1994 0.00 9.00 114.50 242.00 589.00 850.00 1009.00 989.00 671.00 268.00 41.00 0.00 4782.50
1995 0.00 23.50 117.00 186.50 340.50 615.50 820.00 945.50 648.50 241.50 55.00 9.00 4002.50
1996 0.00 1.50 87.50 243.50 551.50 763.50 1017.50 968.50 601.50 311.50 46.00 0.00 4592.50
1997 0.00 2.00 132.00 187.50 519.50 761.50 914.50 869.50 701.50 295.50 28.50 0.00 a 4412.00
1998 0.00 4.50 94.00 191.00 516.50 611.50 1018.50 934.50 775.50 341.50 69.50 9.00 4566.00
1999 1.50 11.50 168.50 140.00 n 236.50 l 546.00 f 1015.80 c 925.57 c 479.50 f 256.50 i 108.50 i 7.00 f 2122.88
2000 10.00 g 13.90 e 46.50 j 272.00 h 365.50 m 544.00 j 681.50 j 492.00 p 469.00 j 271.50 i 0.00 j 0.00 k 13.90
2001 0.00 i 0.00 l 56.50 q 211.50 i 400.50 h 571.00 i 588.50 m 724.00 g 519.50 i 0.00 z 0.00 z 0.00 z 0.00
2002 0.00 0.00 52.00 333.50 511.50 851.50 1083.00 891.50 607.00 206.00 2.50 0.00 4538.50
2003 0.00 z 6.50 77.50 e 156.50 l 444.00 702.69 d 1061.50 757.00 h 563.00 314.00 m 32.50 h 3.21 b 2858.40
2004 0.00 7.25 e 169.50 264.50 483.00 713.00 894.00 844.46 d 619.00 330.00 75.50 0.50 4400.71
2005 0.50 0.00 54.00 251.50 525.50 683.50 1017.50 878.50 640.80 e 371.00 114.60 e 0.00 4537.40
2006 0.00 6.50 42.00 241.00 561.50 800.00 1020.00 898.00 453.00 243.00 53.50 0.00 4318.50
2007 1.00 8.00 161.00 271.50 490.50 786.00 1046.50 970.50 646.00 278.50 83.50 0.00 4743.00
2008 0.00 0.00 33.50 i 138.50 394.50 683.00 988.00 929.50 598.00 301.50 89.00 3.50 4125.50
2009 0.00 14.50 105.50 185.00 541.00 634.00 921.50 857.50 662.00 224.00 87.50 0.00 4232.50
2010 0.00 0.00 41.50 209.50 384.00 774.00 1003.00 870.50 665.00 366.00 64.50 3.50 4381.50
2011 0.00 c 0.50 55.80 a 157.24 a 351.00 719.00 933.00 951.00 649.00 294.50 a 10.00 0.50 4121.54
2012 3.00 0.00 165.69 b 319.00 553.50 0.00 z 1030.00 947.00 654.00 309.50 80.00 6.72 a 4068.41
2013 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 z 0.00
Period of Record Statistics
MEAN 0.25 5.39 65.09 215.19 471.76 698.51 922.26 865.14 603.33 295.68 40.25 1.65 4248.47
S.D. 1.40 7.98 45.94 71.02 88.27 86.54 85.79 78.24 77.38 77.14 29.56 3.90 340.32
SKEW 8.57 2.15 0.87 0.24 -0.41 -0.38 -0.88 -0.54 -0.22 -0.18 0.38 3.61 -0.76
MAX 13.50 36.00 191.50 411.00 668.00 868.50 1083.00 1014.00 775.50 464.00 114.60 26.50 4782.50
MIN 0.00 0.00 2.00 76.00 211.00 485.50 705.50 671.50 426.50 79.50 0.00 0.00 3343.50
NO YRS 102 105 100 100 96 100 104 101 96 100 99 103 72