GREELEY, COLORADO

Monthly Total Growing Degree Days

(053546)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196702
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 1.60 b 0.00 d 13.90 b 36.00 e 0.00 z 367.00 m 747.44 d 122.50 w 246.50 h 48.64 b 1.80 e 0.53 b 849.92
1894 0.00 z 0.00 b 3.00 f 49.00 g 92.00 s 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 62.00 r 190.77 e 381.11 c 555.62 e 575.71 c 350.89 b 27.90 a 0.00 d 0.00 c 2082.00
1896 0.00 b 0.00 8.50 67.76 a 279.00 542.07 a 625.54 c 609.00 259.00 13.90 b 0.00 a 0.00 b 2404.76
1897 0.00 a 0.00 1.00 57.50 315.17 a 443.50 568.00 547.15 a 432.32 b 114.50 6.00 0.00 2485.14
1898 0.00 b 0.00 0.00 0.00 z 207.50 505.34 a 629.50 645.00 312.86 b 45.50 0.00 0.00 2345.70
1899 0.00 a 0.00 0.50 68.00 196.00 600.00 b 0.00 z 607.50 0.00 z 37.00 0.00 0.00 1509.00
1900 0.00 0.00 12.00 26.00 303.50 570.50 628.27 a 639.50 346.50 110.50 6.00 0.00 e 2642.77
1901 0.00 0.00 4.00 93.50 275.50 445.00 777.00 699.50 348.50 72.50 4.50 0.00 a 2720.00
1902 0.00 0.00 0.00 62.50 263.50 532.50 603.50 689.50 318.50 58.50 3.00 0.00 c 2531.50
1903 0.00 0.00 a 1.11 c 68.00 165.00 373.85 d 673.50 645.50 306.43 b 71.19 d 1.00 0.00 2305.57
1904 0.00 15.50 1.07 b 57.50 229.00 384.00 593.50 621.00 375.50 93.00 0.00 0.00 2370.07
1905 0.00 0.00 b 5.50 50.50 162.00 535.00 599.00 640.50 425.00 50.50 0.50 0.00 2468.50
1906 0.00 0.00 2.00 80.00 241.00 420.00 570.00 597.50 261.50 f 90.50 k 6.00 0.00 d 1916.50
1907 0.00 z 0.00 z 67.50 0.00 z 168.36 b 253.00 l 0.00 z 0.00 z 356.50 76.00 0.00 g 0.00 z 668.36
1908 0.00 z 0.00 31.00 96.00 191.00 428.00 592.00 569.00 414.50 88.00 0.00 0.00 2409.50
1909 0.00 0.00 0.00 34.50 167.50 515.00 732.50 737.00 358.50 107.00 5.50 0.00 2657.50
1910 0.00 0.00 41.50 124.50 209.50 555.54 b 747.88 c 636.03 b 408.00 145.50 1.50 0.00 2869.95
1911 0.00 0.00 6.00 81.00 288.50 612.00 616.50 592.00 410.00 83.50 0.00 0.00 2689.50
1912 0.00 0.00 0.00 30.00 251.50 399.00 620.50 579.50 185.00 44.00 1.00 0.00 z 2110.50
1913 0.00 0.00 11.00 79.50 285.50 523.50 636.50 696.00 277.50 g 68.00 2.00 0.00 2302.00
1914 0.00 0.00 0.00 c 57.41 a 268.31 b 538.45 a 0.00 z 0.00 z 387.93 a 120.38 a 4.00 0.00 a 1376.49
1915 0.00 0.00 z 0.00 d 137.07 a 243.87 a 461.90 a 0.00 z 554.79 b 352.00 75.00 26.50 0.00 z 1851.13
1916 0.00 z 0.00 58.00 83.08 d 0.00 z 0.00 z 693.00 516.67 d 225.50 35.50 0.00 z 0.00 i 1611.74
1917 0.00 0.00 b 25.32 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.50 k 0.00 0.00 25.32
1918 0.00 0.00 24.50 22.76 a 298.50 658.50 648.50 655.50 263.00 171.00 2.50 0.00 2744.76
1919 0.00 0.00 3.00 66.00 249.00 554.50 818.92 a 696.50 442.76 a 17.57 a 0.00 b 0.00 b 2848.24
1920 0.00 0.00 a 0.00 a 2.07 a 255.00 0.00 z 670.50 552.00 341.50 106.00 0.00 0.00 1927.07
1921 0.00 0.00 11.00 36.50 215.50 509.50 679.00 620.50 341.50 90.50 0.00 0.00 2504.00
1922 0.00 0.00 0.00 19.00 221.00 556.50 635.00 715.00 372.50 87.50 0.00 0.00 2606.50
1923 3.00 0.00 0.00 30.50 213.50 458.00 703.00 570.00 286.50 51.50 0.00 0.00 d 2316.00
1924 0.00 0.00 0.00 37.50 119.50 481.00 633.00 620.50 290.50 161.50 15.50 0.00 2359.00
1925 0.00 0.00 17.50 93.00 299.00 506.50 714.50 580.00 403.00 47.00 0.00 0.00 2660.50
1926 0.00 0.00 0.50 61.50 265.00 485.50 637.00 654.50 346.50 119.50 0.00 0.00 2570.00
1927 0.00 0.00 0.00 79.50 281.00 445.50 641.00 499.00 363.00 87.50 0.00 z 0.00 2396.50
1928 0.00 0.00 5.00 27.00 262.50 322.50 655.00 592.00 308.00 90.50 0.00 0.00 2262.50
1929 0.00 0.00 1.50 27.50 201.00 503.00 735.50 716.50 265.50 116.50 0.00 0.00 2567.00
1930 0.00 0.00 0.00 132.50 187.50 526.50 723.50 640.50 344.50 80.00 0.00 0.00 2635.00
1931 0.00 0.00 0.50 58.50 193.00 623.50 761.50 648.00 448.00 96.50 6.00 0.00 2835.50
1932 0.00 1.00 0.00 87.50 272.00 463.50 762.00 654.50 354.50 66.00 0.00 0.00 2661.00
1933 0.00 0.00 2.58 a 32.00 199.50 637.50 784.00 609.00 447.00 97.50 0.00 0.00 2809.08
1934 0.00 0.00 2.50 82.50 459.50 589.50 825.50 717.00 252.50 118.50 4.50 0.00 3052.00
1935 0.00 0.00 4.50 26.50 87.50 468.21 b 756.50 673.50 337.00 83.50 0.00 0.00 2437.21
1936 0.00 0.00 b 0.00 122.50 323.00 602.50 826.00 684.00 415.00 74.50 0.00 0.00 3047.50
1937 0.00 0.00 0.00 41.50 298.00 470.50 743.00 783.00 455.00 89.00 0.00 0.00 2880.00
1938 0.00 a 0.00 a 8.50 112.00 209.50 528.00 732.50 737.00 421.00 154.50 0.00 0.00 2903.00
1939 0.00 0.00 18.00 96.00 351.50 522.00 820.00 642.00 431.50 74.50 0.00 3.00 2958.50
1940 0.00 4.00 21.00 40.50 274.00 575.50 738.00 627.50 422.00 117.59 b 0.00 a 0.00 2820.09
1941 0.00 0.00 0.00 28.50 302.50 459.50 673.50 619.00 276.50 37.50 0.00 0.00 2397.00
1942 0.00 0.00 0.00 60.50 190.00 470.50 712.00 626.00 312.50 112.00 0.00 0.00 2483.50
1943 0.00 0.00 25.00 114.50 170.00 461.00 778.00 752.00 337.50 74.00 0.00 0.00 a 2712.00
1944 0.00 0.00 0.00 6.00 289.00 497.00 676.50 706.00 338.50 59.50 6.00 0.00 2578.50
1945 0.00 0.00 1.00 50.00 245.50 382.50 726.50 657.00 283.50 105.00 12.00 0.00 2463.00
1946 0.00 0.00 28.50 187.50 139.00 530.00 756.50 645.00 367.00 79.00 0.00 0.00 2732.50
1947 0.00 0.00 9.00 37.50 196.00 427.00 717.50 745.00 489.50 207.00 0.00 0.00 2828.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 664.50 485.50 76.00 0.00 0.00 1226.00
1949 0.00 0.00 0.50 113.00 257.50 464.48 a 708.00 672.00 312.50 72.00 15.50 0.00 2615.48
1950 0.00 0.00 4.50 71.00 163.00 504.50 616.50 605.65 d 336.72 a 154.00 8.50 0.00 2464.37
1951 0.00 a 4.50 4.00 36.50 245.00 395.69 a 699.50 595.50 311.79 b 59.42 a 0.00 0.00 a 2351.89
1952 0.00 a 0.00 0.00 85.00 223.50 652.00 681.48 a 647.50 356.00 32.55 a 0.00 0.00 a 2678.03
1953 0.00 0.00 6.00 43.00 170.00 544.50 706.50 657.00 439.14 a 127.50 5.00 0.00 2698.64
1954 0.00 0.50 2.50 129.50 262.50 527.00 830.28 a 629.00 440.50 119.50 0.00 0.00 2941.28
1955 0.00 0.00 1.50 102.00 183.50 i 405.00 803.00 718.00 395.00 100.00 2.50 1.50 2528.50
1956 0.00 0.00 17.50 44.50 333.50 679.50 707.32 a 584.00 361.00 109.00 0.00 0.00 2836.32
1957 0.00 0.00 0.55 c 29.00 169.47 a 463.50 737.59 b 462.00 j 277.00 78.00 0.00 0.00 1755.11
1958 0.00 a 0.00 0.00 31.00 364.50 550.00 626.00 696.50 417.50 120.00 2.00 0.00 2807.50
1959 0.00 0.00 1.00 72.00 244.50 617.00 682.00 691.00 306.00 23.50 0.00 0.00 2637.00
1960 0.00 0.00 17.50 102.50 254.50 530.00 685.50 640.50 390.50 92.00 0.00 0.00 2713.00
1961 0.00 0.00 2.00 55.00 238.00 512.50 665.50 650.00 204.00 65.00 0.00 0.00 2392.00
1962 0.00 5.00 3.50 123.00 311.00 468.00 542.50 f 616.50 356.50 133.19 d 2.40 e 0.00 g 2019.09
1963 0.00 b 0.00 16.00 71.00 350.50 562.00 809.62 a 626.20 a 452.59 a 225.94 e 1.20 e 0.00 i 3115.05
1964 0.00 l 0.00 b 0.00 53.50 328.00 484.00 831.00 606.00 352.50 b 71.50 h 4.00 j 1.00 h 2655.00
1965 0.00 f 0.00 0.00 80.69 a 254.50 466.50 713.00 a 608.00 206.00 96.50 i 6.50 k 0.00 h 2328.69
1966 0.00 d 0.00 10.00 47.07 a 314.00 501.50 839.00 626.00 421.00 65.50 g 0.00 i 0.00 i 2758.57
1967 0.00 d 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 0.07 0.43 7.90 66.16 244.90 504.62 700.54 640.74 355.18 88.92 2.28 0.08 2639.06
S.D. 0.41 2.03 13.07 36.20 64.33 74.71 73.75 56.76 68.94 41.66 4.58 0.42 201.75
SKEW 6.24 6.20 2.59 0.75 0.32 0.10 0.10 0.09 -0.31 0.79 3.15 6.00 0.07
MAX 3.00 15.50 67.50 187.50 459.50 679.50 839.00 783.00 489.50 225.94 26.50 3.00 3052.00
MIN 0.00 0.00 0.00 2.07 87.50 322.50 555.62 499.00 185.00 13.90 0.00 0.00 2262.50
NO YRS 67 71 71 68 68 67 66 68 68 68 67 64 50