ACADEMY 2NE, SOUTH DAKOTA

Monthly Total Growing Degree Days

(390043)

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
1898 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 451.00 76.00 4.00 2.50 533.50
1899 0.00 1.00 0.00 a 120.50 271.00 572.50 774.50 715.00 390.00 98.00 8.50 0.00 2951.00
1900 0.00 0.00 23.50 160.50 460.35 a 675.52 a 743.00 850.00 415.86 a 216.50 8.00 0.00 3553.23
1901 0.00 0.00 5.00 158.50 359.00 564.50 966.00 739.50 344.50 157.50 6.50 0.00 3301.00
1902 0.00 0.00 4.00 67.00 351.00 431.00 762.08 a 594.00 317.59 a 101.50 5.50 0.00 2633.67
1903 0.00 0.00 2.50 77.00 303.00 475.00 702.00 620.52 a 331.50 161.00 21.50 0.00 2694.02
1904 0.00 b 0.00 0.00 40.34 a 310.00 a 499.00 671.50 673.73 a 407.14 b 191.50 20.17 a 0.00 2813.39
1905 0.00 a 0.00 a 41.50 52.50 163.50 482.50 609.50 762.08 a 500.00 133.50 11.00 0.00 2756.08
1906 0.00 a 1.50 0.00 107.00 324.50 469.50 673.00 672.50 434.00 164.30 a 2.59 a 0.00 2848.89
1907 0.00 0.00 53.50 f 21.00 150.00 490.00 704.00 729.00 329.50 133.82 a 5.00 0.00 2562.32
1908 0.00 a 0.00 11.50 74.00 j 222.68 a 446.00 704.50 610.50 634.50 153.00 15.50 0.00 2798.18
1909 0.00 0.00 0.00 25.00 257.50 560.50 753.00 841.50 418.39 b 171.02 a 37.50 0.00 3064.41
1910 0.00 0.00 145.38 b 210.00 190.28 b 597.93 a 781.00 624.00 408.50 315.17 a 0.00 0.00 3272.25
1911 0.00 0.00 38.50 104.00 395.00 750.00 715.50 604.00 441.00 76.50 0.00 0.00 3124.50
1912 0.00 0.00 0.00 126.00 321.50 517.50 712.00 614.00 310.00 164.50 10.00 0.00 2775.50
1913 0.00 0.50 0.00 161.50 262.00 705.50 703.00 832.50 474.00 161.50 13.50 0.00 3314.00
1914 0.00 0.00 6.50 112.24 a 336.00 629.50 890.22 a 690.50 462.50 202.00 39.50 0.00 3368.96
1915 0.00 0.00 0.00 a 250.00 211.00 415.00 534.50 510.50 333.50 197.00 33.00 0.00 2484.50
1916 0.00 0.00 12.00 56.00 308.97 a 413.50 960.50 732.00 396.50 92.48 a 34.00 4.00 3009.95
1917 0.00 0.00 9.50 22.50 193.00 456.50 788.00 609.00 375.00 73.88 a 31.50 0.00 2558.88
1918 0.00 0.00 52.50 45.50 360.50 639.50 688.95 b 730.00 278.50 232.00 0.00 a 0.00 3027.45
1919 0.00 0.00 a 9.00 66.50 281.50 587.00 845.50 718.50 499.00 81.50 0.00 0.00 3088.50
1920 0.00 0.00 15.50 0.00 270.50 532.50 716.50 619.50 472.50 246.50 0.00 0.00 2873.50
1921 0.00 3.00 30.50 125.00 330.00 716.00 841.50 666.50 408.50 122.00 0.00 0.00 3243.00
1922 0.00 0.00 3.50 48.00 302.50 600.50 666.00 783.50 538.50 169.50 8.50 0.00 3120.50
1923 0.00 0.00 4.50 95.50 236.50 539.50 838.00 606.50 444.00 143.50 6.72 a 0.00 2914.72
1924 0.00 0.00 0.00 84.50 121.50 402.00 644.00 697.00 342.50 216.00 5.50 0.00 2513.00
1925 0.00 0.00 20.50 98.00 225.00 467.00 716.00 802.50 530.50 23.50 1.00 0.00 2884.00
1926 0.00 0.00 15.50 178.50 544.50 588.50 838.00 800.00 415.00 158.00 2.00 0.00 a 3540.00
1927 0.00 0.50 7.48 b 108.00 210.00 502.50 695.00 618.00 507.50 218.00 0.00 0.00 2866.98
1928 0.00 0.00 40.00 48.00 392.50 424.14 a 789.50 796.50 391.00 198.00 8.50 0.00 3088.14
1929 0.00 0.00 4.00 81.00 265.00 508.39 b 834.42 a 814.00 295.00 144.00 0.00 0.00 2945.81
1930 0.00 10.89 a 5.00 147.00 238.00 531.00 935.50 796.50 441.50 172.50 9.50 0.00 3287.39
1931 0.00 1.00 0.50 138.00 277.50 802.00 894.50 802.50 614.50 200.00 32.50 0.00 3763.00
1932 0.00 13.00 7.50 f 0.00 z 405.07 a 599.00 859.22 a 801.50 433.00 104.88 a 12.50 3.50 3231.67
1933 1.00 0.00 33.00 91.00 241.50 955.18 b 947.50 687.50 603.50 176.50 9.00 0.00 3745.68
1934 1.60 b 0.50 14.50 149.50 695.00 711.00 969.50 772.00 295.50 204.00 7.50 0.00 3820.60
1935 2.50 0.00 17.50 64.00 113.00 451.50 1004.00 788.50 491.00 79.71 c 0.00 0.00 3011.71
1936 0.00 0.00 3.00 94.50 439.00 659.48 a 1139.50 909.00 494.50 166.62 c 0.00 z 0.00 c 3905.61
1937 0.00 0.00 6.00 36.00 335.00 574.00 895.00 947.50 467.00 128.50 21.00 0.00 3410.00
1938 0.00 0.00 12.50 122.59 a 224.00 631.50 863.50 886.00 547.00 299.84 b 0.50 p 0.00 3586.93
1939 0.00 a 0.00 61.50 102.00 412.82 a 522.50 913.00 692.16 b 620.00 150.50 13.00 2.50 3489.97
1940 0.00 0.00 0.00 62.00 253.50 612.00 994.50 736.00 640.00 262.00 5.50 0.00 3565.50
1941 0.00 0.00 0.00 118.00 428.50 547.50 856.50 803.00 475.50 85.00 2.59 a 5.17 a 3321.75
1942 0.00 0.00 1.00 129.50 177.50 492.50 756.50 718.50 294.50 123.50 0.00 i 0.00 2693.50
1943 0.00 0.00 43.50 71.38 a 213.00 546.00 867.50 654.00 f 341.50 141.50 1.00 0.00 2225.38
1944 0.00 0.00 0.00 11.00 435.50 491.50 680.00 681.00 340.00 127.00 22.50 0.00 h 2788.50
1945 0.00 0.00 53.50 42.50 215.00 329.00 749.00 710.50 358.00 151.00 9.00 0.00 2617.50
1946 0.00 0.00 62.00 141.00 146.50 599.50 799.50 633.00 335.50 71.00 0.00 e 0.00 2788.00
1947 0.00 0.00 4.50 43.00 189.00 430.00 718.00 909.00 445.50 307.50 0.00 z 0.00 3046.50
1948 0.00 0.00 11.22 b 171.50 270.50 471.50 777.50 743.00 581.00 62.00 4.50 g 0.00 3088.22
1949 0.00 0.00 1.50 123.50 355.50 596.11 c 789.00 786.00 311.50 116.50 28.39 b 0.00 d 3108.00
1950 0.00 0.00 0.00 44.44 c 204.00 530.40 e 617.33 b 589.00 369.50 207.00 15.50 f 0.00 g 2561.67
1951 0.00 4.00 4.13 a 67.76 a 264.02 a 373.80 e 661.00 639.00 214.00 f 141.50 0.00 b 0.00 b 2155.21
1952 0.00 0.00 0.00 a 151.50 246.00 f 442.50 j 816.69 b 700.37 d 528.50 94.50 5.36 b 0.00 a 2296.92
1953 0.00 a 0.00 a 7.20 c 40.50 292.00 610.86 a 735.00 779.81 b 467.00 299.15 a 50.17 a 0.00 b 3281.69
1954 0.00 a 2.07 a 0.00 133.27 d 222.37 e 511.55 a 860.54 d 682.50 421.07 b 73.76 b 35.17 a 0.00 a 2942.30
1955 0.00 0.00 5.00 225.00 a 440.41 b 482.00 924.32 a 739.00 g 31.00 z 37.50 n 3.10 a 0.00 2079.83
1956 0.00 0.00 2.50 25.00 321.22 b 794.00 701.50 676.66 b 419.50 275.50 1.50 0.00 3217.38
1957 0.00 a 0.00 0.52 a 93.50 191.17 a 460.00 841.00 763.78 b 344.00 136.73 c 0.00 0.00 2830.69
1958 0.00 3.11 a 0.00 64.50 380.02 b 470.00 652.03 a 804.00 507.50 227.85 a 14.00 0.00 3123.01
1959 0.00 0.00 6.20 a 98.00 299.00 729.00 802.00 863.50 425.00 55.50 0.00 0.00 3278.20
1960 0.00 0.00 0.00 89.00 253.50 489.00 842.00 761.50 480.50 196.50 17.00 0.00 3129.00
1961 0.00 0.00 a 20.00 7.22 c 235.08 a 654.11 b 772.42 a 822.00 329.50 174.63 a 7.00 0.00 3021.96
1962 0.50 1.00 0.00 128.50 359.50 503.50 415.00 m 0.00 z 327.50 53.00 q 0.00 m 0.00 1320.50
1963 0.00 z 0.00 58.00 107.59 a 0.00 z 453.00 m 850.00 775.00 a 513.50 348.50 0.50 0.00 2653.09
1964 0.00 0.00 0.00 113.28 a 425.50 628.45 a 925.00 655.50 423.00 160.00 17.50 0.00 3348.22
1965 0.00 0.00 0.00 86.00 372.00 569.00 781.00 743.50 183.00 170.50 19.50 0.00 2924.50
1966 0.00 0.00 38.00 42.50 314.00 625.00 998.00 661.00 405.50 145.00 0.00 0.00 3229.00
1967 0.00 0.00 49.17 b 96.50 277.00 502.50 737.50 712.50 455.50 147.50 5.00 0.00 2983.17
1968 0.00 0.00 56.50 84.50 185.00 611.00 775.50 780.50 424.00 169.00 0.00 0.00 3086.00
1969 0.00 0.00 0.00 129.50 396.00 449.50 787.50 833.50 485.50 41.00 9.00 0.00 3131.50
1970 0.00 a 0.50 0.00 b 97.00 392.00 646.00 852.00 834.00 511.00 120.00 g 0.00 a 0.00 d 3332.50
1971 0.00 0.00 5.00 127.50 238.50 686.00 674.50 844.50 396.50 162.50 2.50 0.00 3137.50
1972 0.00 0.50 7.50 45.00 336.00 560.00 686.50 716.00 434.50 122.00 0.00 0.00 2908.00
1973 0.00 0.00 3.00 71.00 284.00 579.50 754.00 875.00 346.55 a 200.50 8.50 0.00 a 3122.05
1974 5.00 0.00 17.00 102.00 265.50 526.50 953.00 650.00 362.50 161.20 a 2.50 0.00 3045.20
1975 0.00 0.00 2.50 73.50 336.50 556.00 918.00 796.50 402.00 196.00 37.50 0.00 3318.50
1976 0.00 2.50 32.50 121.50 312.50 629.00 885.64 b 845.50 483.00 140.50 2.00 0.00 3454.64
1977 0.00 0.00 12.00 227.50 461.50 648.00 831.83 a 608.00 394.00 82.50 7.00 0.00 a 3272.33
1978 0.00 0.00 a 43.00 48.00 297.00 573.50 732.50 684.14 b 583.50 142.00 43.00 0.00 3146.64
1979 0.00 0.00 9.09 b 89.50 240.50 572.50 709.00 661.00 556.50 121.86 b 0.00 0.00 2959.95
1980 0.00 a 0.00 b 6.50 168.50 380.00 671.50 886.50 761.00 502.00 169.00 24.50 0.00 3569.50
1981 0.00 b 3.50 7.00 206.50 268.50 583.00 793.00 718.50 496.00 124.52 a 24.00 0.00 3224.52
1982 0.00 4.00 0.00 94.50 327.00 436.00 793.00 757.50 378.00 79.00 0.00 0.00 2869.00
1983 0.00 0.00 4.50 25.00 203.00 510.50 870.50 923.50 491.00 118.00 6.00 0.00 3152.00
1984 0.00 0.00 0.00 13.00 268.50 607.00 764.00 795.00 352.50 165.50 9.50 0.00 2975.00
1985 0.00 0.00 5.50 198.50 433.50 461.50 762.00 511.50 340.50 87.00 5.00 0.00 2805.00
1986 0.00 0.00 64.50 66.50 318.50 611.50 763.00 573.00 269.50 94.50 1.00 0.00 2762.00
1987 0.00 0.00 16.50 160.50 420.50 644.00 782.00 575.00 337.50 62.00 9.50 0.00 3007.50
1988 0.00 0.00 9.00 66.50 352.00 759.00 773.00 750.00 377.50 56.50 0.50 0.00 3144.00
1989 0.00 0.00 9.00 129.50 265.00 454.50 826.00 721.50 384.00 152.00 7.00 0.00 2948.50
1990 0.00 0.00 8.50 129.00 195.00 564.00 655.50 670.50 503.00 90.50 31.00 0.00 2847.00
1991 0.00 0.00 4.50 94.50 355.50 647.00 780.00 754.00 408.50 127.00 0.00 0.00 3171.00
1992 0.00 0.00 9.00 47.50 308.50 431.50 467.00 473.50 317.50 133.50 0.00 0.00 2188.00
1993 0.00 0.00 11.50 38.00 221.50 399.00 578.50 600.00 195.00 85.00 1.00 0.00 2129.50
1994 0.00 0.00 9.00 73.50 377.00 535.50 590.50 589.00 391.00 104.50 4.50 0.00 2674.50
1995 0.00 2.00 16.50 0.50 122.50 525.00 727.50 749.00 329.00 72.50 0.00 0.00 2544.50
1996 0.00 1.00 0.00 35.50 177.00 564.00 621.00 652.50 322.00 106.00 0.00 0.00 2479.00
1997 0.00 0.00 21.50 40.00 170.50 566.50 718.50 624.50 428.00 186.00 0.00 0.00 2755.50
1998 0.00 0.00 18.50 58.50 330.50 416.00 756.50 698.00 556.00 76.50 7.50 13.50 2931.50
1999 0.00 2.50 18.50 39.50 242.00 484.50 764.50 673.50 278.50 96.00 54.00 0.00 2653.50
2000 0.00 5.50 21.00 63.00 291.50 462.00 773.50 776.00 439.50 148.00 4.00 0.00 2984.00
2001 0.00 0.00 0.00 106.00 294.00 528.00 780.50 734.50 399.00 92.50 56.50 0.00 2991.00
2002 0.00 0.00 1.50 100.00 185.50 694.50 929.50 721.50 455.00 44.00 0.00 0.00 3131.50
2003 0.00 z 0.00 21.50 130.50 205.00 467.00 759.50 778.00 410.50 206.50 7.00 0.00 2985.50
2004 0.00 0.00 28.50 83.50 287.50 409.50 691.50 570.00 481.50 100.50 11.00 0.00 2663.50
2005 0.00 1.50 12.00 88.00 229.50 582.00 810.00 776.00 583.00 144.50 18.00 0.00 3244.50
2006 0.00 0.00 4.00 137.50 314.00 606.50 912.00 720.00 265.50 124.00 24.00 0.00 3107.50
2007 0.00 0.00 42.50 84.50 368.00 566.00 799.00 682.50 447.00 116.50 12.00 0.00 3118.00
2008 0.00 0.00 0.00 33.00 158.50 451.00 740.00 677.50 374.50 72.00 15.50 0.00 2522.00
2009 0.00 0.00 11.50 61.00 248.00 0.00 z 0.00 z 560.50 377.50 24.50 15.50 0.00 1298.50
2010 0.00 0.00 17.00 81.50 235.50 543.00 759.50 789.00 238.50 f 131.00 19.00 0.00 2575.50
2011 0.00 0.00 5.50 31.00 193.00 488.00 847.00 679.50 324.00 178.50 4.00 0.00 2750.50
2012 1.00 0.00 123.50 116.00 312.00 650.00 960.00 698.00 415.50 90.93 a 4.50 1.50 3372.93
2013 0.00 0.00 1.00 n 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 0.10 0.57 15.54 92.32 291.52 554.07 787.34 720.48 419.97 144.42 10.90 0.29 3033.69
S.D. 0.56 1.81 23.14 51.79 93.64 101.89 108.25 93.62 91.72 63.31 13.00 1.47 318.31
SKEW 7.02 4.87 2.95 0.63 0.86 0.73 0.16 -0.07 0.17 0.74 1.56 7.11 -0.11
MAX 5.00 13.00 145.38 250.00 695.00 955.18 1139.50 947.50 640.00 348.50 56.50 13.50 3820.60
MIN 0.00 0.00 0.00 0.00 113.00 329.00 467.00 473.50 183.00 23.50 0.00 0.00 2129.50
NO YRS 113 115 112 112 112 111 112 111 112 112 108 113 94