BRITTON, SOUTH DAKOTA

Monthly Total Growing Degree Days

(391049)

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 0.00 0.00 a 0.00 b 142.82 c 157.50 s 0.00 z 377.00 i 340.00 0.00 z 0.00 z 0.00 b 482.82
1894 0.00 0.00 0.00 z 85.50 i 245.33 b 610.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 855.33
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 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
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 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 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 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
1904 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
1905 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
1906 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
1907 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
1908 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
1909 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
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 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
1913 0.00 u 0.00 a 0.00 e 122.78 c 185.48 a 585.50 569.88 a 709.12 c 371.50 36.00 0.00 0.00 2580.27
1914 0.00 0.00 0.00 66.50 289.00 462.00 545.00 g 514.00 333.50 200.50 1.00 0.00 1866.50
1915 0.00 0.00 0.00 167.68 b 120.00 311.00 453.00 459.50 271.55 a 89.00 0.50 0.00 1872.23
1916 0.00 0.00 0.00 23.00 154.00 k 289.50 813.00 544.00 268.39 b 20.50 6.50 0.00 1964.89
1917 0.00 0.00 0.00 0.00 147.00 378.10 a 724.50 522.00 273.00 23.00 18.50 0.00 2086.10
1918 0.00 0.00 12.00 36.50 239.50 474.50 586.00 640.50 200.50 145.00 7.50 0.00 2342.00
1919 0.00 0.00 0.00 44.50 273.00 588.62 a 736.50 630.50 372.32 b 55.05 b 0.00 0.00 2700.49
1920 0.00 0.00 1.50 0.00 214.50 451.50 593.00 623.50 403.50 188.00 0.00 0.00 2475.50
1921 0.00 0.00 10.00 62.00 293.00 668.00 752.50 645.00 316.00 67.50 0.00 0.00 2814.00
1922 0.00 0.00 0.00 29.50 284.00 520.50 578.50 727.00 420.50 125.00 2.50 0.00 2687.50
1923 0.00 0.00 0.00 73.00 273.00 561.00 744.00 547.00 400.00 107.00 0.00 0.00 2705.00
1924 0.00 0.00 0.00 48.00 57.00 369.50 623.50 569.00 247.00 181.50 28.00 0.00 2123.50
1925 0.00 0.00 13.50 134.50 253.00 407.50 605.50 757.50 433.00 2.00 0.00 0.00 2606.50
1926 0.00 0.00 7.00 81.50 410.75 a 444.50 752.00 584.50 241.00 70.00 0.00 a 0.00 2591.25
1927 0.00 0.00 1.00 45.00 99.00 403.45 a 510.98 a 509.00 374.50 85.00 0.00 0.00 2027.93
1928 0.00 0.00 6.50 36.50 333.00 314.50 639.63 a 567.50 229.50 109.00 1.50 0.00 2237.63
1929 0.00 0.00 2.00 32.50 189.50 442.50 693.50 634.50 221.00 87.50 0.00 0.00 2303.00
1930 0.00 0.00 0.00 64.00 185.00 447.50 730.50 700.08 a 320.50 112.63 a 0.00 0.00 2560.22
1931 0.00 a 0.00 0.00 124.00 219.58 a 624.00 776.50 645.00 550.50 131.50 7.50 0.00 3078.58
1932 0.00 0.00 0.00 47.07 a 279.00 574.66 a 745.00 648.00 297.50 36.68 a 1.00 0.00 2628.91
1933 0.00 0.00 2.50 53.50 269.18 a 787.50 789.50 615.50 467.59 a 67.00 3.50 0.00 3055.77
1934 0.00 0.00 0.00 65.50 578.50 582.00 787.00 646.00 243.50 184.00 5.00 0.00 3091.50
1935 0.00 0.00 1.03 a 29.50 142.50 405.00 860.00 649.97 a 407.50 95.00 0.00 0.00 2590.50
1936 0.00 0.00 0.00 25.50 435.00 601.50 1063.50 794.50 441.00 76.47 a 0.00 0.00 3437.47
1937 0.00 0.00 0.00 9.50 314.50 460.00 775.00 854.00 388.50 85.50 7.00 0.00 2894.00
1938 0.00 0.00 3.00 86.00 177.00 533.00 751.00 837.00 441.50 218.00 10.86 a 0.00 3057.36
1939 0.00 0.00 35.00 90.00 443.00 502.50 777.00 711.00 444.00 85.00 0.00 0.00 3087.50
1940 0.00 0.00 0.00 82.00 231.00 499.00 839.50 581.00 459.00 176.50 1.55 a 0.00 2869.55
1941 0.00 0.00 0.00 112.50 419.00 501.50 751.50 700.00 376.00 56.00 0.00 a 4.00 2920.50
1942 0.00 0.00 1.50 183.00 163.50 427.50 628.50 609.50 274.00 186.00 0.00 0.00 2473.50
1943 0.00 0.00 5.00 65.50 196.00 461.00 752.50 670.00 274.50 165.50 0.00 0.00 2590.00
1944 0.00 0.00 0.00 9.00 408.00 486.50 632.50 623.00 287.00 94.00 10.50 0.00 2550.50
1945 0.00 0.00 42.50 23.00 107.00 g 0.00 z 628.00 636.00 296.50 106.50 0.00 z 0.00 1732.50
1946 0.00 0.00 30.00 131.50 200.50 510.50 693.50 552.32 a 318.00 57.50 0.00 a 0.00 2493.82
1947 0.00 0.00 0.00 38.00 140.50 397.00 647.50 833.00 364.00 245.93 a 0.00 0.00 2665.93
1948 0.00 0.00 0.52 a 90.50 262.00 470.00 703.00 668.50 505.50 59.50 2.50 0.00 2762.02
1949 0.00 0.00 0.00 94.50 305.87 a 485.50 733.00 792.57 a 255.50 67.00 o 2.00 0.00 g 2668.93
1950 0.00 a 0.00 0.00 a 7.20 e 205.38 c 532.00 542.00 329.00 g 336.50 27.50 p 1.67 c 0.00 i 1624.74
1951 0.00 a 0.00 z 0.00 z 0.00 z 235.48 e 297.50 554.50 506.85 a 196.61 b 100.00 0.00 0.00 b 1890.94
1952 0.00 0.00 0.00 a 139.50 239.50 573.50 664.50 641.70 a 438.50 44.00 0.00 0.00 i 2741.20
1953 0.00 a 0.00 1.00 21.67 c 217.00 a 464.00 604.00 679.93 a 320.00 244.50 12.00 0.00 2564.10
1954 0.00 0.00 0.00 61.07 b 144.67 a 454.50 713.50 603.47 a 264.83 a 60.00 4.82 b 0.00 2306.85
1955 0.00 a 0.00 1.00 128.04 b 397.32 a 435.52 a 758.50 706.00 345.50 122.00 0.00 0.00 2893.87
1956 0.00 0.00 a 0.00 1.00 233.57 b 671.25 b 575.50 571.00 266.00 186.00 d 0.00 a 0.00 a 2504.32
1957 0.00 a 0.00 0.00 88.00 166.22 b 399.50 768.50 603.00 223.00 97.50 0.00 0.00 2345.72
1958 0.00 c 2.50 0.00 50.50 258.52 c 288.10 a 536.30 a 669.00 372.50 106.00 0.00 0.00 c 2283.42
1959 0.00 0.00 a 0.00 a 45.50 193.23 a 596.00 699.00 770.35 a 323.28 a 24.00 0.00 0.00 2651.36
1960 0.00 0.00 0.00 42.00 250.00 396.21 a 709.00 643.50 332.50 106.00 0.00 0.00 a 2479.21
1961 0.00 0.00 11.50 27.93 a 157.00 539.00 550.50 717.00 262.00 120.00 3.50 0.00 2388.43
1962 0.00 a 0.00 0.00 55.50 228.50 448.50 536.50 614.00 201.50 113.50 1.00 0.00 2199.00
1963 0.00 0.00 41.50 65.50 208.00 579.50 669.00 598.00 362.00 258.50 0.00 0.00 2782.00
1964 0.00 0.00 0.00 82.50 g 285.50 472.50 713.50 524.00 254.00 81.50 8.50 0.00 2339.50
1965 0.00 0.00 0.00 30.50 237.00 440.50 614.50 570.00 70.00 82.00 3.50 0.00 2048.00
1966 0.00 0.00 4.50 6.50 194.50 453.50 773.00 492.50 253.50 52.50 0.00 0.00 2230.50
1967 0.00 0.00 b 28.50 34.50 176.50 404.50 590.00 581.50 358.00 91.50 1.50 0.00 2266.50
1968 0.00 0.00 28.00 53.50 172.50 477.50 638.50 614.50 308.00 93.00 0.00 0.00 2385.50
1969 0.00 0.00 0.00 76.00 304.50 307.50 628.00 763.50 405.50 36.50 2.50 0.00 2524.00
1970 0.00 0.00 0.00 69.00 265.00 583.50 745.50 705.50 414.50 119.00 0.00 0.00 2902.00
1971 0.00 0.00 3.00 123.00 191.50 590.00 523.50 680.50 318.00 92.50 0.00 0.00 2522.00
1972 0.00 0.00 0.00 11.00 326.00 493.50 598.50 675.00 313.50 74.00 0.00 z 0.00 2491.50
1973 0.00 0.00 0.00 z 62.00 233.50 519.50 672.50 809.00 276.50 158.50 0.00 0.00 2731.50
1974 0.00 0.00 0.00 69.50 191.00 494.00 861.50 553.00 263.50 96.00 0.00 0.00 2528.50
1975 0.00 0.00 0.00 2.00 271.00 491.00 808.00 643.25 a 256.00 152.00 24.50 0.00 2647.75
1976 0.00 0.00 0.50 61.80 e 277.50 615.50 776.50 818.50 415.50 90.50 3.50 0.00 3059.80
1977 0.00 0.00 5.50 182.00 539.50 550.50 762.00 492.00 307.50 55.00 9.00 0.00 2903.00
1978 0.00 0.00 4.00 28.50 296.00 489.50 668.00 696.47 a 503.00 83.50 7.50 0.00 2776.47
1979 0.00 0.00 0.00 41.50 167.50 503.00 655.13 a 0.00 z 446.00 46.50 0.00 0.00 1859.63
1980 0.00 a 0.00 0.00 157.76 a 397.50 544.00 767.50 624.50 328.50 82.50 2.00 0.00 2904.26
1981 0.00 0.00 6.00 99.50 236.00 436.50 743.00 684.50 383.00 66.00 17.50 0.00 2672.00
1982 0.00 0.00 0.00 68.50 306.00 371.00 790.50 720.50 334.00 66.00 0.00 0.00 2656.50
1983 0.00 0.00 0.00 21.00 175.50 508.00 861.00 886.50 429.00 47.00 7.50 0.00 2935.50
1984 0.00 0.00 0.00 9.50 218.50 514.00 709.00 779.00 251.00 157.50 0.50 0.00 2639.00
1985 0.00 0.00 2.00 145.50 374.00 399.00 728.50 539.00 292.50 37.50 2.00 0.00 2520.00
1986 0.00 0.00 26.00 45.50 292.50 605.50 715.50 539.00 206.50 72.50 0.00 0.00 2503.00
1987 0.00 0.00 6.00 181.00 437.50 604.00 807.50 569.00 367.50 35.00 4.50 0.00 3012.00
1988 0.00 0.00 0.00 87.50 456.00 812.00 836.50 736.50 321.00 49.50 0.00 0.00 3299.00
1989 0.00 0.00 0.00 87.00 288.50 478.00 810.00 668.00 350.00 133.00 0.00 0.00 2814.50
1990 0.00 0.00 3.00 122.50 211.00 510.50 628.50 643.50 438.00 58.50 11.00 0.00 2626.50
1991 0.00 0.00 0.50 97.50 408.00 611.00 663.00 703.00 330.00 97.00 0.00 0.00 2910.00
1992 0.00 0.00 0.00 75.00 357.00 418.50 437.50 468.00 295.50 111.00 0.00 0.00 2162.50
1993 0.00 0.00 2.50 19.50 216.50 353.50 526.00 564.50 189.50 62.50 0.00 0.00 1934.50
1994 0.00 0.00 0.00 48.00 373.00 531.50 555.50 539.00 383.00 93.50 0.00 0.00 2523.50
1995 0.00 0.00 7.00 0.00 143.50 560.00 634.00 724.00 321.00 49.00 0.00 0.00 2438.50
1996 0.00 0.00 0.00 25.50 180.50 557.00 550.50 647.50 295.00 110.00 0.00 0.00 2366.00
1997 0.00 0.00 0.00 13.50 176.50 567.50 658.00 596.50 398.50 196.33 a 0.00 0.00 2606.83
1998 0.00 0.00 0.00 87.50 370.00 394.50 718.50 662.50 488.00 60.50 0.00 0.00 2781.50
1999 0.00 0.00 7.50 46.50 249.50 490.50 735.00 617.00 225.50 50.50 19.50 0.00 2441.50
2000 0.00 0.00 16.00 55.00 315.00 517.50 727.00 699.00 394.50 158.00 11.00 0.00 2893.00
2001 0.00 a 0.00 0.00 79.00 356.00 545.50 793.00 761.00 399.00 87.00 26.00 0.00 3046.50
2002 0.00 0.00 0.00 81.50 200.00 675.50 836.50 629.00 465.00 36.00 0.00 0.00 2923.50
2003 0.00 0.00 11.00 115.00 232.00 504.50 735.00 780.00 366.50 186.50 0.00 0.00 2930.50
2004 0.00 0.00 10.50 82.50 240.50 433.50 652.50 502.00 454.00 120.50 0.00 0.00 2496.00
2005 0.00 a 0.00 10.50 131.00 253.50 615.50 762.00 640.00 501.00 120.50 5.50 0.00 3039.50
2006 0.00 0.00 a 2.50 140.50 334.50 597.50 887.50 714.00 291.00 106.50 15.00 0.00 3089.00
2007 0.00 0.00 a 5.68 a 107.50 421.00 628.00 789.50 621.50 426.50 120.50 0.00 0.00 3120.18
2008 0.00 a 0.00 0.00 25.50 228.50 463.00 740.00 700.50 366.00 60.00 26.50 0.00 a 2610.00
2009 0.00 a 0.00 0.00 55.00 263.50 459.00 571.00 567.00 458.00 6.00 4.00 0.00 2383.50
2010 0.00 0.00 17.00 135.50 302.50 543.00 746.50 753.50 274.00 161.50 8.00 0.00 2941.50
2011 0.00 0.00 0.00 27.50 224.00 530.00 830.00 699.50 345.00 205.00 3.00 0.00 2864.00
2012 0.00 0.00 j 89.50 80.00 365.00 626.00 864.00 642.00 353.00 55.00 0.00 0.00 3074.50
2013 0.00 0.00 0.00 j 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 0.02 5.32 66.32 262.85 500.04 698.59 648.11 339.18 100.77 3.72 0.04 2639.73
S.D. 0.00 0.25 12.39 45.93 94.95 98.40 106.06 91.72 85.50 55.52 6.44 0.40 317.00
SKEW 0.00 9.95 4.13 0.65 0.80 0.25 0.04 0.26 -0.04 0.79 2.22 9.75 -0.10
MAX 0.00 2.50 89.50 183.00 578.50 812.00 1063.50 886.50 550.50 258.50 28.00 4.00 3437.47
MIN 0.00 0.00 0.00 0.00 57.00 288.10 437.50 459.50 70.00 2.00 0.00 0.00 1872.23
NO YRS 103 102 99 99 100 100 99 98 101 98 98 98 87