FORESTBURG 4 NNE, SOUTH DAKOTA

Monthly Total Growing Degree Days

(393029)

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 16.00 196.50 619.00 685.50 598.00 423.00 64.00 9.00 0.00 2611.00
1894 0.00 0.00 11.00 103.50 316.00 644.00 821.00 692.00 379.00 65.00 1.00 0.00 3032.50
1895 0.00 4.00 10.00 189.00 301.00 483.00 692.50 648.00 433.00 63.00 0.00 b 0.00 2823.50
1896 0.00 0.00 0.00 130.00 409.00 537.00 700.00 668.00 277.00 55.00 0.00 0.00 2776.00
1897 0.00 0.00 z 0.00 72.00 301.73 a 491.00 736.00 515.63 a 579.00 159.00 1.00 0.00 2855.37
1898 0.00 0.00 3.00 49.29 b 197.37 a 527.00 655.00 630.00 357.00 34.10 a 2.00 0.00 2454.75
1899 0.00 0.00 0.00 88.00 258.33 a 408.00 583.00 692.00 281.00 60.00 4.00 0.00 2374.33
1900 0.00 0.00 2.00 130.00 371.00 551.00 729.00 847.00 378.00 201.50 4.00 0.00 3213.50
1901 0.00 0.00 a 1.00 143.00 342.00 560.00 941.00 754.00 287.00 126.00 1.00 0.00 3155.00
1902 0.00 0.00 5.34 b 51.00 350.50 377.00 670.00 566.00 262.00 72.00 0.00 0.00 2353.84
1903 0.00 0.00 0.00 58.00 284.00 440.00 653.00 584.50 316.00 120.50 11.00 0.00 2467.00
1904 0.00 0.00 0.00 32.00 263.00 455.00 596.00 567.50 350.00 150.00 2.00 0.00 2415.50
1905 0.00 a 0.00 23.00 51.00 176.50 464.50 608.00 695.43 a 437.00 116.77 a 0.00 0.00 2572.20
1906 0.00 0.00 0.00 83.00 272.50 399.00 544.50 588.00 376.50 102.50 0.00 0.00 2366.00
1907 0.00 0.00 15.00 7.00 82.50 386.00 570.00 571.00 214.00 62.00 1.00 0.00 1908.50
1908 0.00 0.00 6.00 156.00 0.00 z 438.50 653.50 548.00 560.50 135.50 3.00 0.00 2501.00
1909 0.00 0.00 0.00 18.00 261.50 526.55 a 675.00 795.00 396.50 131.00 31.03 a 0.00 2834.59
1910 0.00 0.00 114.70 a 164.50 167.40 a 566.00 735.73 a 555.62 e 392.00 274.00 0.00 0.00 a 2969.95
1911 0.00 p 0.00 13.00 76.00 417.00 739.00 686.00 595.00 386.50 78.00 0.00 0.00 2990.50
1912 0.00 0.00 0.00 97.50 326.50 470.50 692.00 594.00 303.50 125.03 a 4.00 f 0.00 2609.03
1913 0.00 0.00 0.00 113.00 233.00 714.50 710.00 768.00 430.50 121.50 0.50 0.00 3091.00
1914 0.00 0.00 0.00 b 40.50 279.00 613.00 820.00 629.50 329.50 160.00 8.50 0.00 2880.00
1915 0.00 0.00 0.00 266.90 a 166.00 390.00 511.50 476.88 a 360.00 120.50 13.50 0.00 2305.28
1916 0.00 0.00 3.50 24.50 246.50 373.00 888.50 673.00 344.00 66.50 0.50 0.00 2620.00
1917 0.00 0.00 7.50 12.50 148.50 397.50 756.50 591.00 348.50 45.50 0.00 a 0.00 2307.50
1918 0.00 0.00 a 20.50 1.00 307.00 524.00 168.00 w 664.00 217.00 162.50 4.00 0.00 1900.00
1919 0.00 0.00 1.50 20.50 269.00 575.00 745.50 627.00 412.50 81.50 0.00 0.00 2732.50
1920 0.00 0.00 a 2.50 0.00 227.50 505.00 659.00 588.00 411.00 229.50 0.00 0.00 2622.50
1921 0.00 0.00 22.50 106.50 299.00 696.00 746.50 606.50 364.00 73.00 0.00 0.00 2914.00
1922 0.00 0.00 0.00 33.50 293.00 556.00 618.50 738.50 478.45 a 126.50 3.00 0.00 2847.45
1923 0.00 0.00 0.00 76.03 a 265.50 567.50 763.50 547.50 380.50 131.50 6.00 0.00 2738.03
1924 0.00 0.00 0.00 73.00 136.00 400.50 588.00 619.50 322.00 170.50 0.00 0.00 2309.50
1925 0.00 0.00 25.50 168.00 205.00 577.00 722.50 702.50 452.50 7.00 0.00 0.00 2860.00
1926 0.00 0.00 a 12.00 133.50 470.17 a 461.38 a 724.50 695.00 331.55 a 108.00 0.00 0.00 2936.10
1927 0.00 0.00 a 0.00 65.50 177.50 478.50 624.50 562.50 459.50 123.50 0.00 0.00 2491.50
1928 0.00 0.00 29.97 a 33.50 339.00 385.50 699.50 666.00 303.50 140.00 1.00 0.00 2597.97
1929 0.00 0.00 0.50 40.00 249.50 509.00 774.47 b 721.50 272.00 108.50 0.00 0.00 2675.47
1930 0.00 0.00 0.00 122.00 218.50 509.00 898.50 805.50 385.00 149.00 0.00 0.00 3087.50
1931 0.00 a 0.00 0.00 151.00 277.00 743.00 831.50 786.00 579.00 150.50 15.00 a 0.00 3533.00
1932 0.00 0.00 0.00 a 65.50 369.00 639.00 838.03 a 763.00 361.00 88.50 1.55 a 0.52 a 3126.10
1933 0.00 0.00 6.00 89.00 272.00 837.00 822.00 639.00 541.03 a 114.50 3.00 0.00 3323.53
1934 0.00 0.00 5.50 107.50 658.50 676.50 916.00 723.00 282.50 225.00 6.50 0.00 3601.00
1935 0.00 0.00 2.50 51.00 67.00 355.00 946.00 705.50 474.00 99.50 0.00 0.00 2700.50
1936 0.00 0.00 0.00 47.00 432.50 617.50 1081.50 829.00 496.00 95.50 0.00 0.00 3599.00
1937 0.00 0.00 0.00 31.50 330.50 454.00 788.50 900.00 438.10 a 95.00 6.00 0.00 3043.60
1938 0.00 a 0.00 5.00 130.00 206.00 548.79 a 775.50 828.50 486.50 275.50 9.50 0.00 3265.29
1939 0.00 0.00 a 47.50 91.50 498.50 546.50 837.00 687.50 548.50 120.00 0.00 0.00 3377.00
1940 0.00 0.00 0.00 42.50 231.50 541.00 843.00 631.00 556.55 a 206.50 3.00 0.00 3055.05
1941 0.00 0.00 3.00 109.50 449.50 a 542.00 818.00 781.50 440.50 93.00 5.00 5.50 3247.50
1942 0.00 0.00 1.00 171.00 192.00 494.00 656.00 653.00 272.00 165.50 1.50 0.00 2606.00
1943 0.00 0.00 34.00 85.50 211.83 a 527.50 795.00 739.87 a 317.07 a 132.50 0.00 0.00 2843.27
1944 0.00 0.00 0.00 11.50 478.50 488.50 631.88 a 603.50 320.50 96.50 7.50 0.00 2638.38
1945 0.00 0.00 35.50 18.50 144.50 322.00 627.50 623.50 319.14 a 104.88 a 0.00 0.00 2195.52
1946 0.00 0.00 42.50 163.97 a 177.50 529.00 725.00 543.50 303.50 66.00 0.00 0.00 2550.97
1947 0.00 0.00 1.00 35.50 150.50 402.00 672.00 858.00 399.00 246.50 0.00 0.00 2764.50
1948 0.00 0.00 0.00 136.00 233.00 427.50 706.28 a 691.50 475.50 63.50 2.00 0.00 2735.28
1949 0.00 0.00 0.00 f 104.00 364.50 562.00 787.50 745.03 a 258.00 108.50 6.72 a 0.00 2936.26
1950 0.00 0.00 0.00 19.50 199.00 503.00 559.00 554.50 326.00 125.00 0.00 a 0.00 c 2286.00
1951 0.00 0.00 0.00 60.50 268.50 364.50 635.50 588.00 242.50 137.50 0.00 0.00 2297.00
1952 0.00 0.00 0.00 147.50 287.50 676.03 a 740.50 676.50 459.00 48.05 a 3.50 0.00 3038.58
1953 0.00 0.00 4.50 31.00 263.00 584.48 a 680.50 711.00 403.50 252.00 19.50 0.00 2949.48
1954 0.00 0.00 0.00 101.50 197.50 511.50 775.50 666.50 375.50 63.50 8.00 0.00 2699.50
1955 0.00 a 0.00 1.50 185.17 a 424.00 469.00 887.50 844.50 448.00 171.50 0.00 0.00 3431.17
1956 0.00 0.00 a 0.00 9.50 332.00 750.50 652.00 611.50 334.00 230.50 0.00 0.00 2920.00
1957 0.00 0.00 0.00 105.00 204.50 466.50 832.00 683.50 296.00 110.00 0.00 a 0.00 2697.50
1958 0.00 0.52 a 0.00 a 49.00 350.00 416.00 610.00 765.50 460.00 180.00 2.68 b 0.00 2833.70
1959 0.00 0.00 0.00 63.10 a 296.00 694.00 774.50 815.82 a 358.00 30.00 0.00 0.00 3031.42
1960 0.00 0.00 a 0.00 a 73.50 272.28 a 457.00 762.50 708.57 c 399.00 139.50 2.50 0.00 2814.85
1961 0.00 0.00 13.50 30.00 194.50 548.50 664.50 743.00 288.50 131.50 3.50 0.00 2617.50
1962 0.00 a 0.00 0.00 97.00 335.00 489.00 621.00 644.50 290.50 160.00 4.00 1.00 2642.00
1963 0.00 0.00 a 44.50 73.50 276.00 640.00 756.00 671.00 441.50 305.50 0.00 0.00 3208.00
1964 0.00 0.00 0.00 100.00 378.50 601.50 850.50 594.00 341.50 130.50 6.00 0.00 3002.50
1965 0.00 0.00 0.00 67.50 340.50 524.50 714.50 670.50 148.50 143.50 4.50 0.00 2614.00
1966 0.00 0.00 21.00 31.00 252.50 581.00 903.50 579.50 344.50 111.00 0.00 0.00 2824.00
1967 0.00 0.00 44.50 66.50 235.50 483.00 694.29 b 640.00 384.00 122.50 0.00 0.00 2670.29
1968 0.00 0.00 50.50 59.50 154.00 569.50 688.00 676.50 348.50 104.50 0.00 0.00 2651.00
1969 0.00 0.00 0.00 92.50 331.00 368.50 717.50 741.50 433.50 38.00 4.00 0.00 2726.50
1970 0.00 0.00 0.00 69.50 329.50 609.50 769.00 724.50 431.50 97.00 0.00 0.00 3030.50
1971 0.00 0.00 2.00 115.00 205.00 669.50 630.50 747.00 374.00 149.00 0.00 0.00 2892.00
1972 0.00 0.00 0.00 29.00 313.00 524.00 630.00 662.00 369.00 83.00 0.00 0.00 2610.00
1973 0.00 0.00 a 0.00 52.50 246.00 575.50 731.00 844.00 310.50 186.00 5.00 0.00 2950.50
1974 0.00 0.00 3.00 89.50 205.00 501.00 866.50 597.00 315.00 131.00 0.00 0.00 2708.00
1975 0.00 0.00 0.00 31.00 318.00 523.50 873.50 742.00 301.50 177.00 25.00 0.00 2991.50
1976 0.00 0.00 29.00 106.50 291.50 651.50 854.00 829.50 440.50 108.00 2.00 0.00 3312.50
1977 0.00 0.00 7.00 197.00 506.00 624.00 854.05 a 567.00 361.00 45.00 7.00 0.00 3168.05
1978 0.00 0.00 19.00 31.50 271.00 547.76 a 714.00 697.00 553.50 94.00 15.00 0.00 2942.76
1979 0.00 0.00 1.50 79.00 210.50 529.00 716.00 628.50 496.00 73.50 0.00 0.00 2734.00
1980 0.00 0.00 0.00 121.00 346.50 620.00 793.00 698.50 459.50 121.50 9.50 0.00 3169.50
1981 0.00 0.00 12.50 185.50 258.50 606.50 812.50 676.50 427.00 92.50 16.50 0.00 3088.00
1982 0.00 0.00 0.00 72.00 328.50 420.50 762.50 678.50 325.00 73.50 0.00 0.00 2660.50
1983 0.00 0.00 2.00 26.50 198.50 515.50 833.00 907.00 456.00 80.50 15.50 0.00 3034.50
1984 0.00 0.00 0.00 16.50 224.00 533.50 719.50 744.00 264.50 147.50 3.50 0.00 2653.00
1985 0.00 0.00 2.00 149.50 398.50 409.50 693.50 559.50 329.50 53.50 3.00 0.00 2598.50
1986 0.00 0.00 36.00 53.00 319.00 591.50 779.00 584.00 300.00 82.00 0.00 0.00 2744.50
1987 0.00 0.00 14.50 190.00 475.50 683.50 843.00 581.50 389.50 52.00 13.50 0.00 3243.00
1988 0.00 0.00 15.50 90.00 427.00 810.00 855.50 796.50 416.00 40.00 0.00 0.00 3450.50
1989 0.00 0.00 8.00 143.00 291.50 528.00 829.00 729.50 383.50 148.50 0.00 0.00 3061.00
1990 0.00 0.00 5.00 133.00 245.00 588.00 684.50 733.50 558.00 99.00 20.50 0.00 3066.50
1991 0.00 0.00 8.50 97.50 392.50 712.00 754.50 736.00 436.50 135.50 0.00 0.00 3273.00
1992 0.00 0.00 0.00 71.50 309.00 495.00 499.50 524.50 337.50 127.50 0.00 0.00 2364.50
1993 0.00 0.00 5.00 33.50 260.50 438.50 613.50 645.50 235.00 87.00 0.00 0.00 2318.50
1994 0.00 0.00 8.50 80.00 397.50 589.50 617.00 607.00 430.50 125.50 9.00 0.00 2864.50
1995 0.00 0.00 17.00 0.00 188.00 555.50 735.50 779.50 356.00 71.00 0.00 0.00 2702.50
1996 0.00 0.00 0.00 53.50 224.50 574.00 630.00 666.50 328.50 129.00 0.00 0.00 2606.00
1997 0.00 0.00 17.00 55.50 202.00 617.00 760.00 661.00 460.00 202.50 0.00 0.00 2975.00
1998 0.00 2.00 20.00 76.00 391.50 454.00 770.00 733.50 581.00 86.00 0.00 0.00 3114.00
1999 0.00 0.00 17.50 73.00 297.00 519.00 807.00 708.50 297.50 86.50 23.50 0.00 2829.50
2000 0.00 2.50 24.00 71.50 346.17 a 526.00 755.00 747.50 453.00 173.00 8.28 a 0.00 3106.94
2001 0.00 0.00 0.00 113.00 352.00 555.00 824.00 759.00 420.54 b 106.50 35.00 0.00 a 3165.04
2002 0.00 0.00 0.00 126.00 229.00 690.00 897.50 683.00 454.50 42.00 0.00 0.00 3122.00
2003 0.00 0.00 20.00 123.50 211.50 478.00 750.00 746.00 378.00 187.50 3.50 0.00 2898.00
2004 0.00 0.00 31.00 98.50 326.50 444.00 648.00 516.50 471.00 113.50 5.00 0.00 2654.00
2005 0.00 0.00 11.50 145.50 300.50 655.00 804.00 696.50 572.50 127.50 14.00 0.00 h 3327.00
2006 0.00 0.00 12.00 161.00 352.00 625.50 890.50 695.50 261.50 124.50 14.00 0.00 3136.50
2007 0.00 0.00 34.62 a 117.50 422.50 630.00 822.00 691.50 458.00 135.50 3.00 0.00 3314.62
2008 0.00 0.00 0.00 59.50 227.00 497.00 742.50 670.50 425.00 81.00 19.00 0.00 a 2721.50
2009 0.00 0.00 15.50 74.00 313.50 510.50 587.50 569.00 429.50 11.50 15.00 0.00 2526.00
2010 0.00 0.00 22.00 156.50 322.50 590.19 d 768.50 784.00 346.00 161.00 0.00 z 0.00 z 3150.69
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 37.00 w 194.02 b 0.00 f 0.00 f 194.02
2012 0.00 a 0.00 a 97.65 a 109.62 d 324.97 b 512.50 f 781.00 f 671.15 a 298.50 i 52.91 b 3.00 0.00 a 1259.29
2013 0.00 b 0.00 c 0.00 f 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 0.08 10.27 84.26 287.79 537.99 738.60 678.36 384.53 119.14 4.45 0.06 2839.15
S.D. 0.00 0.47 17.72 51.77 93.87 100.93 101.45 88.89 88.06 56.04 6.85 0.52 325.80
SKEW 0.00 6.80 3.20 0.61 0.67 0.37 0.21 0.23 0.21 0.78 2.13 10.10 0.00
MAX 0.00 4.00 114.70 266.90 658.50 837.00 1081.50 907.00 581.00 305.50 35.00 5.50 3601.00
MIN 0.00 0.00 0.00 0.00 67.00 322.00 499.50 476.88 148.50 7.00 0.00 0.00 1908.50
NO YRS 119 119 118 119 118 118 117 119 118 120 117 117 110