LANGDON EXP FARM, NORTH DAKOTA

Monthly Total Growing Degree Days

(324958)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1897 0.00 z 0.00 z 0.00 z 25.18 b 383.50 537.00 804.97 a 649.50 643.45 a 0.00 z 0.00 z 0.00 z 3043.59
1898 0.00 z 0.00 z 0.00 z 99.81 d 343.58 a 554.50 751.23 a 664.95 a 283.00 g 0.00 z 0.00 z 0.00 z 2414.07
1899 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1903 0.00 z 0.00 z 0.00 z 85.00 354.50 0.00 z 722.00 602.00 232.00 0.00 z 0.00 z 0.00 z 1995.50
1904 0.00 z 0.00 z 0.00 z 70.18 b 383.50 568.00 640.50 559.00 307.22 c 0.00 z 0.00 z 0.00 z 2528.40
1905 0.00 b 0.00 0.00 z 69.31 a 261.00 476.50 762.50 791.53 a 538.50 156.55 a 16.61 b 0.00 z 3072.50
1906 0.00 z 0.00 a 1.55 a 236.50 304.00 664.50 781.00 765.70 a 609.83 a 0.00 z 0.00 z 0.00 z 3363.08
1907 0.00 a 0.00 a 0.00 0.00 e 110.57 a 597.50 744.53 b 598.00 266.00 0.00 z 0.00 z 0.00 z 2316.60
1908 0.00 a 0.00 b 0.00 z 148.50 308.00 547.50 644.00 f 607.60 a 550.56 c 0.00 z 0.00 z 0.00 z 2162.16
1909 0.00 0.00 a 0.00 z 5.19 d 0.00 z 438.50 i 618.50 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 5.19
1910 0.00 0.00 124.50 178.50 227.00 799.00 828.50 622.00 339.50 0.00 z 0.00 z 0.00 a 3119.00
1911 0.00 z 0.00 a 0.00 z 134.00 372.00 661.00 657.50 587.00 306.50 0.00 z 0.00 z 0.00 2718.00
1912 0.00 0.00 a 0.00 65.50 345.00 635.00 714.00 614.00 303.50 0.00 z 0.00 z 0.00 z 2677.00
1913 0.00 z 0.00 z 0.00 z 173.00 321.00 698.00 683.00 755.00 441.50 85.77 a 0.00 z 0.00 z 3157.27
1914 0.00 0.00 0.00 71.90 a 419.50 609.50 925.00 648.50 503.50 312.00 12.50 0.00 3502.40
1915 0.00 0.00 0.00 226.50 340.50 430.50 639.00 710.00 402.00 133.00 1.50 0.00 2883.00
1916 0.00 a 0.00 0.00 56.50 255.48 b 472.00 932.50 757.00 405.50 38.50 6.00 0.00 2923.48
1917 0.00 0.00 a 0.00 1.00 296.00 507.50 835.00 676.50 441.50 46.00 17.50 0.00 2821.00
1918 0.00 0.00 51.50 88.50 226.00 576.00 615.35 a 714.00 276.50 202.50 5.00 0.00 2755.35
1919 0.00 0.00 0.00 88.50 471.50 741.50 846.00 731.50 446.00 78.50 0.00 0.00 3403.50
1920 0.00 0.00 0.00 7.50 383.50 607.50 775.00 860.00 570.00 313.50 0.00 0.00 3517.00
1921 0.00 0.00 0.00 51.00 402.00 736.00 866.50 704.50 439.50 165.50 1.00 0.00 3366.00
1922 0.00 0.00 0.50 103.00 514.08 a 646.50 726.50 868.00 554.50 176.50 4.66 a 0.00 3594.24
1923 0.00 a 0.00 0.00 98.00 415.50 760.00 936.50 615.00 510.00 167.00 0.50 0.00 3502.50
1924 0.00 a 0.00 0.00 19.50 147.00 489.50 716.00 670.00 401.50 265.50 0.00 a 0.00 2709.00
1925 0.00 0.00 12.00 173.00 376.65 a 563.00 735.00 785.00 441.50 3.62 a 0.00 d 0.00 b 3089.77
1926 0.00 a 0.00 13.00 119.00 464.00 501.50 827.50 699.50 326.50 81.24 b 0.00 0.00 3032.24
1927 0.00 0.00 a 0.00 a 81.50 242.00 595.50 741.50 701.00 481.03 a 187.50 0.00 0.00 3030.03
1928 0.00 0.00 17.50 61.50 467.00 514.50 780.50 736.25 a 410.50 109.00 0.00 0.00 3096.75
1929 0.00 a 0.00 12.00 22.00 239.50 487.24 a 834.00 782.50 343.45 a 159.50 0.00 a 0.00 2880.19
1930 0.00 0.00 0.00 158.50 317.00 627.32 b 858.50 871.50 407.50 91.00 5.00 0.00 3336.32
1931 0.00 0.00 0.00 a 136.00 332.50 725.00 745.50 798.50 539.50 164.50 13.50 0.00 3455.00
1932 0.00 0.00 a 0.00 100.00 429.87 a 820.00 785.00 802.00 470.00 60.50 0.00 0.00 3467.37
1933 0.00 0.00 4.50 86.00 476.00 871.50 991.50 886.50 541.00 71.50 0.00 0.00 3928.50
1934 0.00 0.00 a 0.00 82.00 574.50 656.00 917.50 769.50 308.00 203.50 14.00 0.00 3525.00
1935 0.00 0.00 0.00 71.50 306.00 547.24 a 992.50 750.00 395.50 106.00 0.00 0.00 3168.74
1936 0.00 0.00 0.00 19.00 570.50 665.50 1153.00 835.50 533.50 106.50 0.00 z 0.00 3883.50
1937 0.00 0.00 0.00 59.00 418.00 634.50 885.00 902.50 486.21 a 136.50 9.00 0.00 3530.71
1938 0.00 0.00 45.50 143.50 348.00 652.50 847.33 a 863.00 643.50 327.00 6.00 0.00 3876.33
1939 0.00 0.00 20.50 147.50 549.00 586.50 990.97 a 906.00 523.00 104.88 a 16.00 5.00 3849.35
1940 0.00 0.00 a 0.00 55.00 405.50 615.50 877.00 767.50 620.50 250.50 0.50 0.00 3592.00
1941 0.00 0.00 0.00 146.00 521.50 689.00 903.00 777.50 436.50 151.50 1.00 4.00 3630.00
1942 0.00 0.00 0.00 172.00 275.50 569.50 748.00 738.00 415.50 330.50 5.00 0.00 3254.00
1943 0.00 0.00 0.00 148.50 290.50 557.00 900.00 778.00 417.86 b 290.00 0.00 0.00 3381.86
1944 0.00 a 0.00 0.00 142.00 548.50 619.50 820.00 723.00 441.50 227.50 8.00 0.00 3530.00
1945 0.00 0.00 63.50 22.50 194.50 526.00 793.00 769.00 381.50 158.50 0.00 0.00 2908.50
1946 0.00 a 0.00 42.50 218.50 364.50 648.50 867.50 748.50 431.00 103.00 0.00 0.00 3424.00
1947 0.00 a 0.00 0.00 75.00 245.50 543.00 897.00 917.00 422.50 301.50 16.00 0.00 3417.50
1948 0.00 0.00 0.00 96.50 461.50 653.50 854.50 831.00 674.50 225.50 2.50 0.00 3799.50
1949 0.00 0.00 0.00 196.00 438.50 671.00 826.00 909.00 432.00 139.50 a 21.50 0.00 3633.50
1950 0.00 0.00 0.00 2.00 269.00 595.00 757.00 660.50 521.00 166.37 a 5.50 0.00 2976.37
1951 0.00 0.00 0.00 65.69 a 485.50 529.50 793.00 663.00 334.66 a 148.50 0.00 0.00 3019.84
1952 0.00 0.00 1.00 315.00 414.50 675.00 a 782.50 786.50 568.00 118.50 3.50 0.00 a 3664.50
1953 0.00 0.00 3.00 29.00 360.50 628.00 805.00 877.00 452.50 376.00 38.00 0.00 3569.00
1954 0.00 0.00 0.00 71.00 252.50 602.00 844.50 715.00 379.50 145.00 5.00 0.00 3014.50
1955 0.00 0.00 2.00 207.00 466.50 674.00 922.00 907.00 445.00 193.50 0.00 0.00 3817.00
1956 0.00 0.00 0.00 0.00 326.50 775.50 733.50 750.00 330.00 240.50 2.00 0.00 3158.00
1957 0.00 0.00 4.00 131.50 415.50 520.00 908.50 705.00 365.00 176.00 0.00 0.00 3225.50
1958 0.00 3.00 7.50 133.00 489.50 519.50 737.50 786.00 484.00 214.50 8.79 a 0.00 3383.29
1959 0.00 0.00 5.50 80.50 327.50 706.50 850.00 851.00 427.00 43.00 0.00 0.00 3291.00
1960 0.00 0.00 0.00 59.00 419.50 617.50 900.00 849.92 a 528.00 187.50 0.00 0.00 3561.42
1961 0.00 0.00 2.00 37.00 357.00 797.50 817.00 929.00 369.83 a 174.00 9.00 0.00 3492.33
1962 0.00 0.00 0.00 86.00 342.50 708.00 755.50 788.00 392.07 a 236.50 0.00 0.00 3308.57
1963 0.00 0.00 58.50 118.00 363.00 764.00 902.00 812.50 573.00 444.50 4.00 0.00 4039.50
1964 0.00 0.00 0.00 138.50 500.50 583.50 873.50 669.50 369.50 166.00 34.50 0.00 3335.50
1965 0.00 0.00 0.00 60.00 356.00 633.00 770.00 731.00 162.50 181.50 10.00 0.00 2904.00
1966 0.00 0.00 7.50 28.50 292.00 663.50 895.50 727.00 516.50 147.50 0.00 0.00 3278.00
1967 0.00 0.00 11.00 31.50 293.50 621.50 798.50 758.00 566.50 115.50 3.00 0.00 3199.00
1968 0.00 0.00 28.50 120.00 298.00 599.50 751.00 639.00 458.50 119.00 4.50 0.00 3018.00
1969 0.00 0.00 0.00 134.00 361.50 399.00 740.50 915.50 475.00 30.00 7.50 0.00 3063.00
1970 0.00 0.00 0.00 27.00 305.50 793.00 876.00 822.50 482.00 155.50 0.00 0.00 3461.50
1971 0.00 0.00 0.00 98.00 380.00 676.00 646.00 812.00 412.50 178.50 0.00 0.00 3203.00
1972 0.00 0.00 0.00 76.50 531.50 702.00 684.00 828.50 346.50 116.50 0.00 0.00 3285.50
1973 0.00 0.00 10.00 66.00 361.00 664.50 754.00 881.00 419.00 253.00 0.00 0.00 3408.50
1974 0.00 0.00 0.00 77.00 219.50 658.50 916.50 635.50 310.00 0.00 z 1.00 0.00 2818.00
1975 0.00 0.00 0.00 24.00 381.00 642.50 919.00 674.00 374.00 171.50 36.00 0.00 3222.00
1976 0.00 0.00 0.00 142.50 445.50 721.50 834.50 827.00 516.50 138.50 1.50 0.00 3627.50
1977 0.00 0.00 10.00 271.00 750.00 664.00 836.50 577.50 421.00 192.50 27.50 0.00 3750.00
1978 0.00 0.00 0.00 87.50 558.00 682.50 784.50 763.00 589.50 153.00 25.86 a 0.00 3643.86
1979 0.00 0.00 0.00 3.50 241.00 658.50 844.00 674.50 499.00 121.00 5.00 0.00 3046.50
1980 0.00 0.00 0.00 282.50 597.00 659.50 835.50 660.50 406.00 128.50 9.11 b 0.00 a 3578.61
1981 0.00 0.00 8.00 160.86 a 387.00 582.86 b 847.00 649.50 g 421.00 118.50 48.00 0.00 2573.22
1982 0.00 a 0.00 0.00 88.00 0.00 z 432.00 780.00 664.50 402.50 98.00 0.50 0.00 2465.50
1983 0.00 0.00 0.00 63.50 245.00 621.50 924.00 961.00 424.50 68.00 11.00 0.00 3318.50
1984 0.00 0.00 0.00 113.50 283.00 624.00 814.50 889.00 294.00 209.50 0.50 0.00 3228.00
1985 0.00 0.00 3.00 185.00 492.00 458.00 751.00 583.00 299.50 79.50 2.50 0.00 a 2853.50
1986 0.00 0.00 29.50 79.50 447.00 669.00 798.00 666.50 344.50 128.00 0.00 0.00 3162.00
1987 0.00 0.00 0.00 252.50 516.00 742.00 804.50 671.50 462.50 65.50 21.50 0.00 3536.00
1988 0.00 0.00 0.00 109.50 568.50 931.00 891.00 826.00 379.50 120.50 0.00 0.00 3826.00
1989 0.00 0.00 0.00 64.00 475.00 591.50 965.50 843.50 463.00 176.00 0.00 0.00 3578.50
1990 0.00 0.00 5.00 147.00 328.50 655.00 764.50 796.50 497.00 88.50 14.50 0.00 3296.50
1991 0.00 0.00 5.50 149.50 526.50 730.50 770.50 852.50 398.00 77.00 0.00 0.00 3510.00
1992 0.00 0.00 0.00 53.50 441.00 556.00 556.50 625.50 321.00 153.50 0.00 0.00 2707.00
1993 0.00 0.00 0.00 47.50 368.00 515.50 646.00 706.00 284.00 72.50 0.00 0.00 2639.50
1994 0.00 0.00 0.00 74.00 426.00 667.00 677.50 680.50 514.50 170.00 0.00 0.00 3209.50
1995 0.00 0.00 0.00 13.00 299.50 806.50 779.00 793.50 423.50 89.50 0.00 0.00 3204.50
1996 0.00 0.00 0.00 12.00 280.50 692.00 750.50 777.00 434.00 115.00 0.00 0.00 3061.00
1997 0.00 0.00 0.00 21.50 235.50 762.00 784.50 750.50 515.00 183.00 0.00 0.00 3252.00
1998 0.00 0.00 6.00 173.00 480.00 540.50 817.50 860.00 576.50 114.00 0.00 0.00 3567.50
1999 0.00 0.00 0.50 134.00 389.50 605.50 805.50 723.50 367.00 60.00 49.00 0.00 3134.50
2000 0.00 2.00 40.50 111.50 413.50 503.00 800.50 794.50 0.00 z 170.50 15.50 0.00 2851.50
2001 0.00 0.00 0.00 116.50 431.00 599.00 828.00 847.00 457.00 84.00 46.50 0.00 3409.00
2002 0.00 0.00 0.00 82.50 235.00 686.00 881.00 0.00 z 507.00 43.00 0.00 0.00 2434.50
2003 0.00 0.00 7.50 150.50 0.00 z 635.50 812.00 885.50 461.00 218.00 0.00 0.00 3170.00
2004 0.00 0.00 0.00 63.50 206.00 508.00 736.00 513.00 505.00 129.00 3.00 0.00 2663.50
2005 0.00 0.00 0.00 160.00 317.00 0.00 z 810.00 720.00 514.00 152.50 12.50 0.00 2686.00
2006 0.00 0.00 0.00 223.00 398.00 722.50 915.50 808.50 434.00 111.50 0.00 0.00 3613.00
2007 0.00 0.00 z 4.50 181.00 388.50 699.00 908.00 708.50 440.00 137.50 1.50 0.00 3468.50
2008 0.00 0.00 0.00 66.00 260.00 581.00 761.50 0.00 z 445.50 125.50 26.00 0.00 2265.50
2009 0.00 b 0.00 0.00 40.50 253.00 585.50 706.50 696.50 683.00 36.50 10.50 0.00 3012.00
2010 0.00 0.00 23.50 201.50 382.00 626.50 836.50 828.50 362.00 232.50 37.50 0.00 3530.50
2011 0.00 0.00 0.00 68.00 329.12 a 610.00 879.37 a 832.50 503.50 241.80 a 3.00 0.00 3467.28
2012 0.00 a 0.00 a 97.00 148.50 404.00 687.00 956.87 a 800.50 252.00 k 63.00 i 0.00 m 0.00 l 3093.87
2013 0.00 k 0.00 j 0.00 m 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 0.00 0.05 7.67 101.71 374.38 629.50 813.65 755.56 441.12 154.88 7.43 0.09 3319.77
S.D. 0.00 0.35 19.47 67.21 107.58 95.56 91.80 95.84 96.65 78.71 11.66 0.63 311.96
SKEW 0.00 7.49 3.77 0.72 0.38 0.23 0.20 -0.14 0.05 0.94 2.02 7.03 -0.14
MAX 0.00 3.00 124.50 315.00 750.00 931.00 1153.00 961.00 683.00 444.50 49.00 5.00 4039.50
MIN 0.00 0.00 0.00 0.00 110.57 399.00 556.50 513.00 162.50 3.62 0.00 0.00 2639.50
NO YRS 105 106 103 112 109 109 110 108 108 99 98 101 88