HOLYOKE, COLORADO

Monthly Total Growing Degree Days

(054082)

Base Temperature = 50 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 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
1894 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
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 t 14.50 116.00 518.00 0.00 z 26.50 z 0.00 z 0.00 z 0.00 z 2.00 z 0.00 z 648.50
1898 0.50 0.00 0.00 92.00 237.50 593.50 723.50 325.00 m 0.00 z 0.00 z 0.00 z 0.00 1647.00
1899 0.00 0.00 2.00 g 89.00 f 277.50 571.03 a 711.00 753.00 499.44 c 133.50 0.00 0.00 a 2945.48
1900 0.00 0.00 22.00 58.00 336.50 652.50 679.42 a 816.00 260.00 k 141.05 a 3.00 0.00 2708.47
1901 0.00 c 0.00 10.00 121.00 301.50 559.14 a 909.73 e 743.50 424.20 e 0.00 z 32.50 f 3.50 3072.57
1902 0.00 0.00 3.32 c 72.00 320.00 457.00 628.02 b 391.50 m 262.22 c 116.25 c 7.80 e 0.00 k 1866.61
1903 0.00 k 0.00 u 17.29 e 83.79 a 207.04 c 0.00 z 368.00 n 640.15 a 353.04 b 68.00 l 4.62 d 0.00 d 1305.92
1904 0.00 o 0.00 c 2.21 c 33.00 k 238.50 431.40 e 643.52 b 678.26 b 0.00 z 0.00 z 0.00 z 0.00 b 1993.89
1905 0.00 c 0.00 a 0.00 z 39.64 b 150.57 c 593.28 a 638.37 d 747.74 b 501.67 c 115.00 f 12.41 a 0.00 a 2683.68
1906 0.00 0.00 z 0.00 z 0.00 z 234.57 a 481.50 647.42 e 659.78 a 433.50 107.47 a 2.07 a 0.00 z 2566.31
1907 0.00 0.00 115.06 e 52.00 166.00 455.36 b 688.95 b 698.57 b 146.00 s 126.00 6.00 g 0.00 k 2301.93
1908 0.00 0.00 m 13.50 k 104.50 194.30 c 427.50 649.00 613.59 b 497.22 c 162.20 c 5.69 a 0.00 z 2654.00
1909 0.00 0.00 0.00 b 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
1910 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
1911 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
1912 0.00 z 0.00 z 0.00 z 2.50 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 0.00
1913 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
1914 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
1915 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
1916 0.00 z 0.00 z 41.00 86.00 253.50 456.00 888.84 b 702.15 a 343.00 74.50 31.00 0.00 2875.99
1917 0.00 0.00 a 6.50 65.17 a 0.00 z 485.50 766.00 615.41 d 406.50 82.00 f 22.50 h 0.00 z 2345.08
1918 8.00 x 0.00 z 0.00 z 5.00 l 301.73 a 670.34 a 720.48 b 273.50 s 278.00 200.00 2.78 c 0.00 c 2173.34
1919 0.00 a 0.00 b 2.50 79.62 d 220.00 382.00 f 657.50 g 704.50 444.00 e 41.00 0.00 a 0.00 1491.62
1920 0.00 0.00 5.00 0.00 203.50 372.00 600.50 478.95 a 0.00 z 0.00 z 0.00 z 0.00 z 1659.95
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 0.00 z 3.00 0.00 126.00 319.50 512.00 709.50 563.00 445.00 198.00 10.00 0.00 e 2886.00
1928 0.00 b 0.00 31.00 71.00 f 351.50 388.00 544.00 i 719.00 118.00 m 163.00 11.00 0.00 1663.50
1929 0.00 0.00 5.88 b 62.50 211.04 e 483.00 794.00 761.00 206.11 c 130.20 a 0.00 0.00 2653.73
1930 0.00 0.50 0.00 142.50 h 215.00 506.50 773.40 b 709.00 397.50 122.50 0.00 a 0.00 g 2724.40
1931 0.00 z 0.00 0.00 88.00 225.78 a 669.00 800.00 674.50 572.50 152.50 3.50 0.00 3185.78
1932 0.00 0.00 0.00 102.00 332.00 483.00 e 802.50 722.50 371.50 36.50 q 0.00 0.00 a 2813.50
1933 0.00 0.00 5.88 b 46.03 a 241.00 617.50 723.91 d 605.02 a 495.00 111.00 6.00 0.00 2851.34
1934 4.50 0.00 z 0.00 z 0.00 z 482.16 c 665.00 909.00 782.00 307.00 195.50 15.50 0.00 3360.66
1935 0.00 a 0.00 d 14.50 41.50 103.85 a 471.00 871.50 714.00 374.00 119.35 a 0.00 d 0.00 f 2709.70
1936 0.00 2.50 3.00 102.50 367.00 659.50 898.50 811.50 481.00 99.50 0.00 z 0.00 3425.00
1937 0.00 0.00 a 0.00 69.83 a 329.00 523.50 853.00 864.50 491.50 123.50 1.50 0.00 3256.33
1938 0.00 a 0.00 17.50 120.00 c 230.00 565.50 795.00 813.75 a 475.00 259.88 a 4.50 0.00 3281.13
1939 0.00 0.00 24.00 114.83 a 373.07 b 516.92 d 875.00 722.00 528.00 152.00 0.00 a 19.00 3324.82
1940 0.00 a 1.00 15.50 a 68.50 292.95 a 649.50 879.50 695.50 532.50 240.50 2.50 0.00 3377.95
1941 0.00 0.00 7.50 58.50 405.50 510.00 761.50 720.50 409.00 97.00 13.93 b 0.00 a 2983.43
1942 0.00 z 0.00 a 0.00 d 127.80 e 201.50 d 349.00 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 329.30
1943 0.00 0.00 36.00 101.50 177.50 501.50 845.50 845.50 383.00 106.95 a 5.50 0.00 3002.95
1944 0.00 0.00 0.00 8.50 336.50 551.50 707.00 757.50 418.50 142.00 14.00 0.00 2935.50
1945 0.00 0.50 26.50 68.50 0.00 z 363.50 775.00 756.00 388.00 170.00 19.50 0.00 2567.50
1946 0.00 0.00 36.00 182.14 b 144.50 567.50 842.50 692.00 418.00 80.00 0.00 0.00 2962.64
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 765.00 554.50 89.00 0.50 0.00 1409.00
1949 0.00 0.00 0.50 117.50 347.00 539.50 749.00 660.50 321.50 78.00 10.00 0.00 2823.50
1950 1.50 0.00 4.00 58.50 189.00 595.50 649.00 610.00 338.00 240.50 3.50 0.00 2689.50
1951 0.00 6.00 1.00 52.00 272.50 352.50 708.50 666.00 331.00 106.00 0.00 0.00 2495.50
1952 0.00 0.00 0.00 82.00 233.50 716.00 769.50 741.00 468.50 75.00 0.50 0.00 3086.00
1953 0.00 0.00 5.50 43.00 209.00 634.50 769.50 695.50 499.14 a 175.00 14.00 0.00 3045.14
1954 0.00 12.00 11.88 a 140.50 256.50 652.76 a 901.00 748.00 521.50 115.50 2.00 0.00 3361.64
1955 0.00 0.00 0.50 116.50 298.00 408.00 871.00 845.50 486.50 191.68 a 5.00 0.00 3222.68
1956 0.00 0.00 39.00 27.00 402.50 728.28 a 747.50 715.00 489.50 207.00 3.00 0.00 3358.78
1957 0.00 0.00 0.00 51.50 202.00 508.00 831.50 724.00 345.00 117.00 2.00 1.50 2782.50
1958 0.00 7.00 0.00 54.50 411.50 558.50 653.50 777.00 454.50 183.00 6.50 0.00 3106.00
1959 0.00 0.00 1.50 106.50 250.00 674.50 743.00 817.50 403.00 76.50 0.00 1.50 3074.00
1960 0.00 0.00 35.50 126.50 261.00 519.50 738.00 733.00 411.00 148.00 13.00 0.00 2985.50
1961 0.00 9.00 13.00 47.00 224.50 598.00 760.00 777.00 279.50 124.00 2.00 0.00 2834.00
1962 0.00 23.50 13.50 144.50 403.00 496.00 689.00 709.00 371.50 192.50 5.50 2.50 3050.50
1963 0.00 4.50 55.00 91.50 375.50 718.50 877.50 746.50 528.50 350.50 4.00 0.00 3752.00
1964 0.00 0.00 4.00 68.50 360.00 541.50 889.50 683.50 433.00 139.00 19.00 10.50 3148.50
1965 0.00 0.50 2.00 130.00 337.50 510.00 754.00 688.00 237.50 217.50 24.00 0.50 2901.50
1966 0.00 0.00 43.50 60.00 397.00 574.00 853.00 603.50 392.50 159.50 11.00 0.00 3094.00
1967 0.00 6.00 66.00 126.00 237.50 470.50 717.50 664.00 408.00 178.00 7.00 0.00 2880.50
1968 2.00 0.00 29.00 59.50 183.50 668.50 765.50 682.00 422.50 196.00 0.00 0.00 3008.50
1969 0.00 0.00 5.50 154.00 386.00 441.00 809.00 785.00 517.00 54.50 5.00 0.00 3157.00
1970 0.00 3.00 0.00 46.50 384.50 548.00 772.50 842.50 410.50 102.50 6.50 0.00 3116.50
1971 0.00 0.00 27.00 74.50 202.00 629.00 684.00 723.50 344.00 137.50 15.50 0.00 2837.00
1972 0.00 12.50 51.50 92.50 289.00 610.00 665.50 677.50 422.50 140.50 0.00 0.00 2961.50
1973 0.00 0.00 0.00 66.00 247.48 a 597.00 727.00 749.00 337.50 163.50 18.00 0.00 2905.48
1974 0.00 0.00 50.50 103.00 365.00 587.50 837.50 575.00 322.00 136.50 1.55 a 0.00 2978.55
1975 0.00 0.00 10.00 98.00 254.50 483.00 744.50 683.00 305.00 166.50 19.00 0.00 2763.50
1976 0.00 0.00 15.50 86.00 247.50 559.50 767.50 661.00 350.50 73.00 12.00 0.00 2772.50
1977 0.00 0.00 0.50 130.00 356.50 634.50 799.50 632.00 435.00 105.50 0.50 0.00 3094.00
1978 0.00 0.00 52.00 90.50 272.00 607.50 824.50 663.50 472.76 a 84.50 8.00 0.00 3075.26
1979 0.00 0.00 1.50 114.50 236.00 551.50 744.50 646.50 467.50 165.50 0.00 0.00 a 2927.50
1980 0.00 0.00 0.00 100.00 258.50 625.50 821.50 667.00 410.00 111.50 23.28 a 5.34 b 3022.62
1981 0.00 3.00 15.50 215.50 201.00 608.50 751.00 617.50 405.00 82.00 3.00 0.00 2902.00
1982 0.00 9.50 7.00 70.50 265.50 411.50 706.50 693.00 332.00 46.00 0.50 0.00 2542.00
1983 0.00 0.00 11.00 38.50 192.00 469.50 806.00 842.00 501.00 96.00 21.50 0.00 2977.50
1984 0.00 0.00 4.00 9.50 336.00 547.76 a 764.00 786.50 373.50 95.00 1.00 0.00 2917.26
1985 0.00 a 0.00 14.50 154.50 373.00 539.00 788.50 685.50 0.00 z 0.00 z 0.00 z 0.00 z 2555.00
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 347.50 101.50 2.50 0.00 451.50
1987 0.00 1.00 17.05 a 177.50 352.50 583.50 737.00 615.50 361.50 107.50 14.50 1.00 2968.55
1988 0.00 0.00 21.00 63.00 337.50 681.00 710.00 729.00 358.00 106.50 27.00 0.00 3033.00
1989 0.00 0.00 0.00 z 146.50 307.00 436.50 748.00 645.50 358.00 170.00 27.00 1.00 2839.50
1990 0.00 0.00 8.00 102.50 209.50 645.00 672.50 683.50 494.50 140.50 31.00 0.00 2987.00
1991 0.00 1.00 15.50 58.00 355.00 612.00 702.00 665.00 405.00 188.00 3.00 0.00 3004.50
1992 0.00 0.00 10.00 104.50 329.00 447.00 595.50 532.50 408.50 152.00 0.00 0.00 2579.00
1993 0.00 0.00 34.50 63.50 271.00 464.50 618.00 605.00 268.50 122.50 0.00 0.00 2447.50
1994 0.00 0.00 36.50 137.00 411.50 671.00 657.50 716.50 438.50 90.50 4.00 0.00 3163.00
1995 0.00 9.50 40.00 34.00 94.00 480.50 715.00 790.00 411.00 111.50 15.50 6.50 2707.50
1996 0.00 7.50 6.00 98.00 234.50 579.50 683.00 628.00 327.50 159.00 4.50 1.00 2728.50
1997 4.50 0.50 31.00 68.50 229.00 572.00 751.00 683.50 476.00 191.00 0.00 0.00 3007.00
1998 0.00 0.00 36.00 56.00 359.50 470.00 775.00 704.50 582.00 104.50 18.50 0.00 3106.00
1999 0.00 0.00 a 25.00 77.50 265.50 523.00 815.00 690.78 a 335.50 139.00 67.00 0.00 2938.28
2000 0.00 1.00 7.00 117.00 386.00 558.50 496.00 n 890.00 492.50 111.00 0.00 z 0.00 2563.00
2001 0.00 0.00 5.00 126.50 323.00 602.00 874.00 773.00 460.50 132.50 24.00 0.00 3320.50
2002 1.50 0.00 0.00 110.50 253.50 715.00 853.00 686.50 418.50 65.50 1.50 0.00 3105.50
2003 0.50 5.50 34.00 122.00 278.00 487.50 876.00 777.50 353.50 207.00 1.00 0.00 3142.50
2004 0.00 1.00 48.00 90.00 361.50 460.50 655.50 575.00 458.50 110.00 9.50 0.00 2769.50
2005 0.50 0.00 1.00 53.00 288.00 563.50 809.00 672.00 487.00 110.00 33.50 0.00 3017.50
2006 0.00 2.00 12.50 115.00 362.00 635.50 828.50 688.50 230.00 126.00 22.00 0.00 3022.00
2007 0.00 z 0.00 44.00 60.50 313.00 529.00 757.00 777.50 441.00 143.50 27.50 0.00 3093.00
2008 0.00 0.00 4.00 43.50 237.50 468.50 783.50 632.50 318.50 104.50 16.50 0.00 2609.00
2009 0.00 0.00 19.00 62.00 258.00 475.00 649.50 593.00 329.00 25.50 13.00 0.00 2424.00
2010 0.00 0.00 14.50 54.00 185.00 563.00 734.00 730.00 413.00 128.00 10.50 0.00 2832.00
2011 0.00 0.00 6.50 30.50 151.00 517.00 824.50 770.50 333.00 134.00 2.50 0.00 2769.50
2012 0.00 0.00 65.00 115.00 352.50 745.50 862.00 710.50 430.50 98.50 7.50 0.50 3387.50
2013 0.00 0.00 13.00 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 13.00
Period of Record Statistics
MEAN 0.17 1.40 16.93 87.00 282.88 550.11 762.21 705.50 408.34 134.78 9.10 0.59 2976.08
S.D. 0.72 3.57 19.71 39.54 80.70 88.54 79.26 75.24 79.61 51.25 10.74 2.43 240.62
SKEW 5.16 3.61 1.91 0.44 0.21 0.04 -0.01 -0.09 -0.17 0.99 2.21 5.82 0.14
MAX 4.50 23.50 115.06 215.50 518.00 745.50 909.73 890.00 582.00 350.50 67.00 19.00 3752.00
MIN 0.00 0.00 0.00 0.00 94.00 352.50 595.50 478.95 206.11 25.50 0.00 0.00 2424.00
NO YRS 93 95 95 93 98 96 94 96 93 91 91 92 69