HANNAH 2 N, NORTH DAKOTA

Monthly Total Growing Degree Days

(323936)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198510
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
1905 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 616.50 k 773.97 a 518.57 b 148.05 b 0.00 b 0.00 1440.59
1906 0.00 0.00 a 2.67 b 208.00 282.50 602.68 b 735.50 727.00 612.50 167.92 a 0.00 z 0.00 z 3338.77
1907 0.00 z 0.00 z 0.00 z 0.00 z 148.80 a 566.00 698.07 d 593.13 a 281.38 a 96.32 c 0.00 z 0.00 d 2383.71
1908 0.00 a 0.00 z 0.00 z 0.00 z 260.50 i 650.50 0.00 z 606.00 581.00 152.13 d 15.00 b 0.00 z 2004.63
1909 0.00 d 0.00 g 0.00 l 0.00 z 74.50 q 615.00 791.05 c 0.00 z 471.92 d 178.25 e 0.00 z 0.00 2056.23
1910 0.00 0.00 97.00 203.50 202.10 e 767.50 754.52 c 647.00 364.00 239.00 0.00 z 0.00 g 3274.61
1911 0.00 0.00 0.00 136.50 362.50 679.20 e 614.66 b 615.00 340.96 d 89.50 f 0.00 b 0.00 2748.82
1912 0.00 0.00 0.00 b 76.61 b 298.24 b 412.00 h 82.50 z 579.00 311.90 a 63.00 f 0.00 j 0.00 j 1265.75
1913 0.00 z 0.00 0.00 183.00 245.00 649.82 b 665.50 737.59 b 296.00 i 78.00 13.89 c 0.00 2572.80
1914 0.00 0.00 0.00 63.62 a 392.00 564.50 895.50 667.00 538.00 311.00 0.00 h 0.00 3431.62
1915 0.00 a 0.00 0.00 190.50 283.50 350.00 564.00 666.50 399.31 a 87.50 4.00 0.00 k 2545.31
1916 0.00 0.00 m 0.00 d 51.21 a 298.12 a 493.45 a 947.00 762.00 376.00 56.50 13.50 0.00 h 2997.77
1917 0.00 b 0.00 0.00 c 1.50 317.00 520.50 459.00 l 693.37 a 0.00 z 0.00 z 0.00 z 0.00 a 1532.37
1918 0.00 a 0.00 57.00 107.50 263.50 665.00 677.50 684.50 156.00 n 218.55 a 0.50 0.00 a 2674.05
1919 0.00 0.00 d 0.00 m 70.50 459.83 a 721.00 882.50 757.71 e 423.10 a 71.50 0.00 0.00 3386.15
1920 0.00 a 0.00 0.00 15.00 398.50 627.50 829.00 901.00 611.50 288.50 3.50 t 0.00 d 3671.00
1921 0.00 0.00 0.50 0.00 w 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50
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 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
1928 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
1929 0.00 a 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
1930 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
1931 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
1932 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 820.50 832.57 c 840.50 432.50 74.50 0.00 0.00 b 3000.57
1933 0.00 0.00 a 2.50 116.00 469.00 875.00 951.00 945.00 609.83 a 90.00 0.00 0.00 c 4058.33
1934 0.00 0.00 0.00 102.50 656.00 650.36 b 921.00 775.00 332.50 258.50 20.50 0.00 b 3716.36
1935 0.00 0.00 0.00 64.82 b 300.50 576.00 1010.00 767.52 b 402.93 a 195.82 a 0.00 0.00 3317.59
1936 0.00 0.00 0.00 58.00 667.53 a 696.00 1185.50 925.50 592.50 130.50 3.50 0.00 4259.03
1937 0.00 0.00 0.00 45.00 446.50 630.52 a 879.00 908.00 423.50 125.00 8.50 0.00 3466.02
1938 0.00 a 0.00 27.00 121.00 322.50 617.59 a 828.22 a 826.50 567.32 b 271.50 2.50 0.00 3584.12
1939 0.00 d 0.00 9.50 115.50 497.50 500.69 a 763.00 f 861.59 b 523.50 70.78 a 0.00 z 13.95 a 2593.01
1940 0.00 0.00 a 0.00 74.00 393.00 615.56 c 938.78 a 848.48 d 680.50 0.00 z 3.50 0.00 3553.82
1941 0.00 a 0.00 b 0.00 113.00 488.00 665.00 880.00 743.00 380.00 109.00 0.00 1.00 3379.00
1942 0.00 a 0.00 a 0.00 a 143.00 221.00 529.50 685.00 700.50 387.50 280.50 1.00 0.00 2948.00
1943 0.00 0.00 a 0.00 a 91.50 227.00 522.00 852.00 718.50 378.50 255.00 0.00 0.00 a 3044.50
1944 0.00 a 0.00 b 0.00 a 118.00 530.50 599.00 767.25 a 709.90 a 431.50 212.50 4.00 0.00 b 3372.65
1945 0.00 a 0.00 47.53 a 13.50 194.27 a 477.50 779.00 739.35 a 368.00 146.00 0.00 0.00 i 2765.15
1946 0.00 0.00 h 41.16 b 179.50 341.00 a 594.50 839.50 696.98 a 467.59 a 77.50 a 0.00 b 0.00 g 3237.72
1947 0.00 a 0.00 a 0.00 c 45.54 b 208.00 532.00 882.00 937.23 a 300.60 e 272.28 a 23.08 d 0.00 b 3200.73
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 832.00 800.46 c 684.31 a 0.00 z 0.00 0.00 c 2316.77
1949 0.00 0.00 z 0.00 z 0.00 z 433.50 670.50 861.50 914.50 a 327.50 g 167.50 24.00 0.00 h 3071.50
1950 0.00 a 0.00 0.00 h 15.52 a 272.00 585.50 742.97 a 652.03 a 492.50 140.50 5.89 b 0.00 2906.91
1951 0.00 0.00 0.00 68.00 470.34 b 533.28 a 792.57 a 642.45 b 334.50 117.28 a 0.00 0.00 2958.42
1952 0.00 0.00 a 1.00 302.59 a 380.50 655.86 a 796.70 a 749.00 522.50 112.63 a 6.50 0.00 3527.28
1953 0.00 a 0.00 b 0.00 b 24.50 353.50 616.55 a 775.52 a 835.00 400.50 342.55 a 38.33 c 0.00 b 3386.45
1954 0.00 0.00 e 0.00 a 52.00 244.00 598.45 a 828.45 b 689.75 c 353.00 140.53 a 16.00 0.00 b 2922.18
1955 0.00 z 0.00 b 3.21 b 189.44 c 439.00 654.81 d 886.00 855.50 386.50 165.85 a 0.00 a 0.00 3580.31
1956 0.00 0.00 l 0.00 0.56 c 334.28 a 767.22 c 717.50 739.00 319.44 c 224.50 0.50 f 0.00 3102.51
1957 0.00 0.00 4.50 132.50 431.70 d 532.24 a 910.50 719.00 338.04 b 166.00 0.00 0.00 a 3234.48
1958 0.00 2.15 b 6.00 113.00 433.00 492.22 c 725.40 a 691.62 b 408.46 d 170.00 7.24 a 0.00 3049.10
1959 0.00 0.00 c 10.00 81.21 a 313.32 c 704.48 a 819.00 798.52 b 413.04 b 37.89 d 0.00 b 0.00 3177.45
1960 0.00 0.00 0.00 61.00 393.46 e 620.89 b 881.00 803.00 495.00 c 156.03 a 0.00 0.00 3410.39
1961 0.00 0.00 a 1.00 38.00 330.31 b 748.50 802.00 898.47 b 372.60 e 176.50 8.50 0.00 a 3375.88
1962 0.00 0.00 0.00 96.00 330.15 a 294.50 r 722.50 760.50 370.50 204.50 1.50 m 0.00 b 2484.15
1963 0.00 0.00 46.00 89.00 319.00 718.00 861.50 0.00 z 548.50 429.50 1.00 0.00 a 3012.50
1964 0.00 0.00 0.00 90.52 a 413.33 a 556.50 837.00 655.28 b 351.50 161.50 24.50 0.00 3090.13
1965 0.00 0.00 0.00 43.50 360.12 a 653.00 740.50 712.50 165.50 180.00 7.00 0.00 2862.12
1966 0.00 0.00 8.00 p 28.50 298.00 693.21 b 914.50 719.50 490.50 137.50 0.00 0.00 a 3281.71
1967 0.00 a 0.00 8.27 a 25.00 301.00 624.00 814.50 751.50 593.00 108.00 1.50 0.00 3226.77
1968 0.00 0.00 33.50 119.50 313.50 608.50 759.00 641.00 466.00 123.00 2.50 0.00 3066.50
1969 0.00 0.00 0.00 171.35 d 420.50 394.00 746.50 894.00 480.00 35.50 7.50 0.00 3149.35
1970 0.00 0.00 0.00 21.50 280.50 781.00 883.00 772.00 452.50 169.00 0.00 0.00 3359.50
1971 0.00 0.00 0.00 a 73.93 b 389.50 721.55 a 681.50 827.00 452.50 165.00 0.00 0.00 3310.98
1972 0.00 0.00 0.00 76.50 537.50 698.50 656.50 817.00 354.50 110.50 0.00 0.00 3251.00
1973 0.00 0.00 8.00 62.50 362.50 718.80 e 434.50 o 871.00 409.00 242.00 0.00 e 0.00 c 2673.80
1974 0.00 0.00 0.00 64.50 213.00 663.00 887.00 590.00 267.50 125.50 0.00 0.00 2810.50
1975 0.00 u 0.00 z 0.00 b 16.00 359.50 609.50 871.00 636.50 345.50 194.00 52.50 0.00 3084.50
1976 0.00 0.00 b 0.00 118.00 462.50 754.50 815.00 615.50 g 525.00 a 104.37 a 9.00 0.00 2788.37
1977 0.00 b 0.00 a 11.00 246.00 745.00 654.50 818.00 551.69 d 417.00 182.50 18.50 0.00 g 3644.19
1978 0.00 g 0.00 z 0.00 z 0.00 z 194.00 w 486.00 g 770.00 752.78 a 512.14 b 153.28 d 0.00 q 0.00 a 2188.20
1979 0.00 0.00 a 0.00 e 1.20 e 225.55 b 636.72 a 839.50 672.00 469.00 106.20 d 2.00 0.00 a 2952.18
1980 0.00 0.00 a 0.00 d 247.24 a 582.28 a 671.00 821.00 461.50 h 395.69 a 90.62 e 13.45 a 0.00 h 2821.28
1981 0.00 0.00 h 6.50 135.54 b 360.50 580.38 d 816.85 a 660.50 f 0.00 z 56.00 s 55.00 o 0.00 u 1899.77
1982 0.00 r 0.00 p 0.00 r 137.00 404.00 316.50 j 352.50 q 366.50 o 198.00 o 89.00 m 0.00 i 0.00 g 541.00
1983 0.00 0.00 0.00 66.50 273.00 618.50 924.00 981.50 423.00 103.50 18.50 0.00 3408.50
1984 0.00 0.00 1.03 a 121.00 302.77 a 661.00 805.00 966.00 321.00 240.50 0.00 0.00 c 3418.30
1985 0.00 0.00 0.00 113.00 l 437.50 f 485.69 a 795.50 580.00 395.40 e 133.50 h 0.00 z 0.00 z 2256.59
Period of Record Statistics
MEAN 0.00 0.04 7.20 95.69 365.02 625.89 816.45 754.60 434.91 163.66 6.87 0.27 3290.43
S.D. 0.00 0.29 17.66 66.16 117.97 95.28 98.79 106.07 103.39 77.14 10.56 1.87 316.94
SKEW 0.00 7.35 3.23 0.87 0.91 -0.21 0.43 0.23 0.33 0.91 2.23 7.23 1.11
MAX 0.00 2.15 97.00 302.59 745.00 875.00 1185.50 981.50 684.31 429.50 52.50 13.95 4259.03
MIN 0.00 0.00 0.00 0.56 148.80 350.00 564.00 551.69 165.50 35.50 0.00 0.00 2810.50
NO YRS 63 57 59 61 63 64 63 64 64 62 55 56 32