SISSETON, SOUTH DAKOTA

Monthly Total Growing Degree Days

(397742)

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
1900 0.00 z 0.00 z 0.00 z 133.50 303.69 d 504.11 b 612.80 c 736.00 309.50 143.00 3.00 0.00 2745.60
1901 0.00 e 0.00 b 0.00 93.10 a 285.41 b 431.50 706.69 d 636.00 236.00 117.00 0.00 f 0.00 a 2505.70
1902 0.00 b 0.00 0.50 12.32 b 251.74 b 303.10 a 612.52 b 492.50 182.00 33.87 d 1.50 0.00 1890.05
1903 0.00 0.00 0.00 24.00 209.25 a 386.50 515.78 b 425.14 c 185.00 57.00 19.50 0.00 1822.17
1904 0.00 0.00 0.00 a 28.00 177.50 333.00 460.00 435.50 241.50 82.87 e 35.00 0.00 1793.37
1905 0.00 0.00 6.50 43.00 134.50 219.00 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 184.00
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 67.50 218.00 425.00 598.82 a 466.03 a 268.45 a 42.00 w 0.00 d 0.00 b 2043.80
1913 0.00 e 0.00 i 0.00 b 77.14 b 122.97 a 547.80 e 591.07 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1338.98
1914 0.00 z 0.00 z 0.00 i 0.00 z 0.00 z 575.56 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 575.56
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
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 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
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 183.00 21.00 0.00 204.00
1932 0.00 w 6.00 0.00 58.50 190.50 l 637.00 760.00 664.50 342.00 66.00 3.62 a 0.00 2537.62
1933 0.00 0.00 0.00 53.50 291.50 763.00 0.00 z 709.50 509.00 97.00 0.00 0.00 2423.50
1934 0.00 0.00 t 2.00 101.00 630.00 660.00 816.50 628.50 247.50 192.20 a 0.00 a 0.00 3277.70
1935 0.00 a 0.00 2.00 14.50 129.00 394.82 b 796.50 603.50 325.50 83.50 0.00 0.00 2349.32
1936 0.00 a 0.00 0.00 23.00 391.00 508.50 948.50 699.00 389.00 90.00 0.00 0.00 3049.00
1937 0.00 0.00 a 0.00 19.14 a 235.00 421.00 694.50 765.50 314.00 78.00 0.00 0.00 2527.14
1938 0.00 0.00 4.00 82.50 173.00 490.00 665.50 750.50 422.50 209.00 5.00 0.00 2802.00
1939 0.00 0.00 39.50 68.50 431.00 505.50 722.50 678.50 436.50 88.50 16.50 7.50 2994.50
1940 0.00 0.00 0.00 30.50 242.50 507.41 a 760.50 552.50 449.50 139.50 0.00 0.00 2682.41
1941 0.00 0.00 0.00 110.00 378.00 502.00 734.00 616.50 332.50 82.00 3.50 4.50 2763.00
1942 0.00 0.00 0.00 157.00 166.00 424.00 595.50 587.00 257.07 a 191.50 4.50 0.00 2382.57
1943 0.00 0.00 14.50 82.50 189.62 a 474.50 725.00 621.00 253.00 157.00 0.00 0.00 2517.12
1944 0.00 0.00 0.00 7.00 380.00 485.50 630.50 564.50 277.00 120.50 9.00 0.00 2474.00
1945 0.00 0.00 27.50 25.00 110.50 324.50 612.50 589.00 268.00 107.00 0.00 0.00 2064.00
1946 0.00 0.00 43.00 145.00 177.00 513.00 651.00 532.50 261.50 59.00 0.00 a 0.00 2382.00
1947 0.00 0.00 0.00 38.50 119.00 369.00 650.50 799.00 354.00 216.00 0.00 0.00 2546.00
1948 0.00 0.00 0.00 74.50 225.00 419.00 687.00 624.00 510.00 a 73.50 9.50 0.00 2622.50
1949 0.00 0.00 0.00 107.00 333.00 531.50 700.08 a 766.00 284.50 107.50 6.50 0.00 2836.08
1950 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 349.00 p 489.00 304.50 79.80 d 3.10 a 0.00 e 876.40
1951 0.00 d 0.00 d 0.00 z 44.46 b 293.90 e 341.50 608.78 b 489.00 230.00 c 100.23 a 0.00 0.00 2107.88
1952 0.00 0.00 0.00 a 140.00 228.50 564.00 674.00 634.00 445.34 a 45.98 a 0.56 c 0.00 b 2732.38
1953 0.00 0.00 0.00 7.24 a 238.00 492.50 616.00 670.00 345.00 250.00 19.50 0.00 2638.24
1954 0.00 0.00 0.00 40.50 133.50 480.00 a 700.00 589.50 274.00 68.72 a 2.50 0.00 2288.72
1955 0.00 0.00 a 0.00 148.00 418.00 466.03 a 787.00 755.37 a 344.48 a 149.46 c 0.00 0.00 3068.35
1956 0.00 0.00 0.00 b 2.00 259.50 620.50 565.00 578.00 265.50 0.00 z 0.00 z 0.00 p 2290.50
1957 0.00 0.00 0.00 96.00 174.00 417.50 765.50 587.00 272.50 90.00 0.00 b 0.00 2402.50
1958 0.00 0.00 0.00 37.22 c 310.52 a 324.31 a 583.12 b 679.00 413.79 a 133.50 0.50 0.00 2481.96
1959 0.00 b 0.00 0.00 45.50 283.00 617.00 751.50 770.87 a 377.00 35.50 0.00 0.00 2880.37
1960 0.00 0.00 a 0.00 54.00 270.45 b 409.00 735.50 685.50 405.00 144.84 b 0.00 0.00 c 2704.29
1961 0.00 b 0.00 a 7.50 21.50 195.00 685.80 e 627.00 762.50 302.50 72.50 f 2.50 0.00 2604.30
1962 0.00 0.00 b 0.00 75.00 299.00 506.50 597.00 694.50 240.50 g 156.50 2.50 0.00 2331.00
1963 0.00 0.00 53.00 86.50 262.00 606.00 685.00 636.50 419.00 301.50 1.00 0.00 3050.50
1964 0.00 0.00 0.00 58.00 328.00 535.00 803.00 543.50 243.00 117.05 b 7.50 0.00 2635.05
1965 0.00 0.00 0.00 36.50 289.50 488.00 665.00 594.50 90.00 124.50 12.50 0.00 2300.50
1966 0.00 0.00 3.00 6.00 203.00 483.50 828.50 553.00 324.00 84.00 0.00 0.00 2485.00
1967 0.00 0.00 27.38 a 30.50 185.50 450.00 639.00 498.00 f 379.50 97.50 0.52 a 0.00 1809.90
1968 0.00 0.00 d 57.72 b 68.50 176.50 496.00 665.00 619.50 344.00 58.00 0.00 0.00 2485.22
1969 0.00 0.00 0.00 40.00 210.50 f 341.50 623.50 804.34 c 398.00 35.00 0.00 0.00 a 2242.34
1970 0.00 0.00 b 0.00 77.00 247.00 615.50 774.50 697.50 a 414.00 115.50 0.00 0.00 b 2941.00
1971 0.00 0.00 5.50 122.00 215.45 a 614.00 605.50 692.00 385.00 98.00 0.00 0.00 2737.45
1972 0.00 0.00 0.00 15.50 372.50 543.00 662.00 727.00 310.50 47.53 a 0.00 0.00 2678.03
1973 0.00 0.00 0.00 63.50 270.00 589.00 709.00 785.50 294.00 187.00 0.00 0.00 a 2898.00
1974 0.00 0.00 0.00 61.00 184.50 490.00 851.47 a 599.50 268.50 131.50 0.00 0.00 b 2586.47
1975 0.00 a 0.00 0.00 a 0.00 294.50 397.50 f 850.00 629.30 a 246.50 149.00 33.50 0.00 a 2202.80
1976 0.00 0.00 a 2.50 95.00 290.22 b 648.62 a 811.50 802.38 a 416.50 98.50 0.00 0.00 3165.23
1977 0.00 0.00 2.50 191.00 481.50 545.00 740.38 a 485.50 288.50 59.50 4.00 0.00 2797.88
1978 0.00 0.00 2.58 a 21.50 296.57 a 496.00 667.50 671.67 a 512.07 a 96.50 23.00 0.00 2787.39
1979 0.00 a 0.00 0.00 22.50 152.00 478.00 636.00 542.00 408.00 56.50 0.00 0.00 2295.00
1980 0.00 a 0.00 0.00 z 143.50 393.18 a 499.50 712.00 583.00 337.76 a 103.00 6.50 0.00 c 2778.44
1981 0.00 a 0.00 11.00 121.00 258.00 443.50 681.50 649.97 a 311.11 c 65.00 16.00 0.00 b 2557.08
1982 0.00 0.00 0.00 71.00 284.34 b 366.50 777.50 661.00 316.00 49.50 0.00 0.00 2525.84
1983 0.00 0.00 0.00 20.50 195.50 522.00 852.50 846.50 390.00 47.00 4.00 0.00 2878.00
1984 0.00 0.00 0.00 12.00 261.00 533.00 705.00 739.00 249.00 162.00 6.00 0.00 2667.00
1985 0.00 a 0.00 1.00 147.93 a 403.50 399.00 731.00 537.50 266.00 41.00 0.00 0.00 2526.93
1986 0.00 0.00 36.00 46.00 275.50 548.50 729.50 519.00 227.00 68.50 0.00 0.00 2450.00
1987 0.00 0.00 8.50 179.50 400.50 576.50 778.50 569.50 365.00 32.50 5.50 0.00 2916.00
1988 0.00 0.00 0.00 70.00 428.00 714.00 840.00 712.50 311.00 56.50 0.00 0.00 3132.00
1989 0.00 0.00 0.00 56.00 283.00 462.00 761.50 615.50 337.50 127.00 0.00 0.00 2642.50
1990 0.00 0.00 5.50 122.50 199.00 518.50 603.50 623.50 406.50 74.00 20.50 0.00 2573.50
1991 0.00 0.00 0.50 109.00 398.50 595.50 643.00 678.00 334.50 108.00 0.00 z 0.00 2867.00
1992 0.00 0.00 8.50 66.50 367.00 408.00 450.50 482.50 308.00 108.00 0.00 0.00 2199.00
1993 0.00 c 0.00 0.00 23.50 204.50 351.00 519.00 568.50 189.00 80.00 0.00 0.00 1935.50
1994 0.00 0.00 0.00 64.00 356.00 553.00 565.50 513.50 377.50 98.50 0.00 0.00 a 2528.00
1995 0.00 0.00 9.00 0.00 165.50 551.00 635.50 694.50 298.50 63.50 0.00 0.00 2417.50
1996 0.00 0.00 0.00 7.00 171.50 523.50 585.00 631.00 273.00 81.00 0.50 0.00 2272.50
1997 0.00 0.00 0.00 26.38 a 160.68 a 572.50 642.50 576.50 428.00 167.50 0.00 0.00 2574.06
1998 0.00 0.00 0.00 85.50 381.00 424.50 694.50 692.00 468.00 73.00 0.00 0.00 2818.50
1999 0.00 0.00 5.00 32.00 273.00 483.89 c 741.50 619.00 253.00 54.50 18.00 0.00 2479.89
2000 0.00 e 0.00 8.00 46.50 299.50 470.00 654.88 c 272.50 p 347.59 a 101.78 a 8.50 0.00 c 1936.74
2001 0.00 a 0.00 0.00 86.00 291.00 534.50 746.07 a 692.00 313.50 56.00 54.50 0.00 2773.57
2002 0.00 0.00 0.00 69.50 171.50 604.00 765.00 592.00 424.00 13.50 0.00 0.00 2639.50
2003 0.00 0.00 12.50 81.50 188.00 447.50 689.50 720.00 336.50 189.00 0.00 0.00 2664.50
2004 0.00 0.00 6.00 55.00 158.50 389.00 593.50 469.00 404.50 82.00 4.50 0.00 2162.00
2005 0.00 0.00 5.50 80.00 235.00 566.00 696.00 586.00 448.50 88.50 2.00 0.00 2707.50
2006 0.00 0.00 1.50 100.50 285.50 527.50 818.50 643.00 251.50 82.00 24.00 0.00 2734.00
2007 0.00 0.00 12.50 82.00 333.50 570.00 734.00 552.50 370.50 113.50 2.50 0.00 2771.00
2008 0.00 0.00 z 0.00 9.50 193.50 437.00 688.00 630.50 328.50 42.50 17.50 0.00 2347.00
2009 0.00 0.00 0.00 25.00 218.50 435.00 546.50 531.50 408.00 6.50 5.50 0.00 2176.50
2010 0.00 0.00 11.50 74.00 276.50 510.50 702.50 721.50 237.50 137.00 1.00 0.00 2672.00
2011 0.00 0.00 0.00 19.50 180.50 479.50 791.00 644.00 296.50 171.00 1.00 0.00 2583.00
2012 0.00 a 0.00 87.50 58.50 335.50 591.00 834.50 571.00 333.00 45.50 0.00 0.00 2856.50
2013 0.00 0.00 0.00 k 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 0.07 6.32 63.34 263.75 498.71 690.52 630.31 329.33 102.06 5.29 0.14 2585.08
S.D. 0.00 0.65 14.74 44.21 94.04 92.29 93.25 93.21 80.25 53.98 9.54 0.93 298.85
SKEW 0.00 9.00 3.38 0.74 0.89 0.17 -0.02 0.03 0.05 1.04 2.67 6.94 -0.57
MAX 0.00 6.00 87.50 191.00 630.00 763.00 948.50 846.50 512.07 301.50 54.50 7.50 3165.23
MIN 0.00 0.00 0.00 0.00 110.50 303.10 450.50 425.14 90.00 6.50 0.00 0.00 1793.37
NO YRS 87 84 84 88 86 87 86 85 86 85 85 87 69