ALEXANDRIA, SOUTH DAKOTA

Monthly Total Growing Degree Days

(390128)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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 28.97 a 172.00 639.83 a 728.50 b 644.00 286.00 o 76.50 17.00 0.00 2306.79
1894 0.00 a 0.00 22.50 112.50 385.50 687.93 a 823.00 721.00 373.97 a 52.50 0.00 0.00 a 3178.90
1895 0.00 0.50 7.00 164.00 260.50 442.00 635.50 580.50 431.50 57.00 0.00 a 0.00 2578.50
1896 0.00 0.00 0.00 122.50 369.00 509.50 464.50 j 670.00 253.50 69.75 a 0.00 0.00 1994.25
1897 0.00 a 0.00 3.00 59.00 234.71 c 530.00 742.50 476.00 343.50 n 143.50 4.50 0.00 a 2193.21
1898 0.00 0.00 7.00 53.50 247.00 548.50 670.50 686.50 0.00 z 0.00 z 0.00 z 0.00 2213.00
1899 0.00 0.00 a 0.00 125.00 260.00 583.00 705.50 736.50 317.50 74.50 7.50 0.00 a 2809.50
1900 0.00 0.00 10.50 175.50 444.00 630.00 692.00 908.50 304.50 213.00 0.00 0.00 3378.00
1901 0.00 0.00 0.53 b 144.50 324.50 525.50 909.50 728.00 309.83 a 112.38 c 5.36 b 0.00 c 3060.09
1902 0.00 b 0.00 17.10 b 63.00 317.50 391.50 711.00 551.50 240.50 126.00 0.00 0.00 2418.10
1903 0.00 0.00 3.00 31.50 259.50 462.00 650.00 580.50 310.50 0.00 z 5.00 0.00 2302.00
1904 0.00 0.00 0.00 30.50 266.50 468.50 636.00 626.50 342.50 140.50 6.00 0.00 2517.00
1905 0.00 0.00 27.00 55.50 167.50 484.50 641.50 793.00 427.50 129.00 1.50 0.00 a 2727.00
1906 0.00 g 0.00 0.00 83.28 a 321.50 475.00 624.00 683.50 374.50 77.00 0.00 0.00 a 2638.78
1907 0.00 a 0.00 a 36.50 7.76 a 130.50 484.00 230.00 s 682.00 a 330.50 81.63 a 0.00 c 0.00 k 1752.89
1908 0.00 b 0.00 a 0.00 b 174.31 a 292.00 517.50 b 737.00 515.00 f 628.33 c 116.25 a 2.59 a 0.00 a 2467.98
1909 0.00 d 0.00 0.00 19.00 327.50 554.50 691.50 800.50 351.00 130.50 46.50 0.00 a 2921.00
1910 0.00 a 0.00 a 123.00 188.00 187.00 543.50 722.00 591.50 330.00 249.00 0.00 z 0.00 z 2934.00
1911 0.00 0.00 a 6.20 a 8.79 a 563.50 810.00 749.88 b 701.93 c 405.56 c 91.50 0.00 0.00 g 3337.36
1912 0.00 f 0.00 0.00 103.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 103.00
1913 0.00 r 0.00 0.00 106.00 248.00 605.00 714.00 791.00 466.03 a 160.17 a 20.00 j 0.00 3090.20
1914 0.00 0.00 0.00 z 56.00 p 274.00 568.50 810.00 747.00 475.50 208.73 a 46.00 0.00 a 3129.73
1915 0.00 z 0.00 0.00 261.96 b 0.00 z 448.50 567.50 534.50 415.00 163.50 4.00 0.00 2394.96
1916 0.00 b 0.00 0.00 48.50 286.00 400.00 956.50 712.50 365.17 a 0.00 z 15.00 0.00 a 2783.67
1917 0.00 c 0.00 z 0.00 z 0.00 z 220.00 g 494.50 788.00 642.50 366.50 44.50 12.41 a 0.00 b 2348.41
1918 0.00 0.00 z 0.00 z 10.50 371.50 584.44 c 706.50 733.15 a 193.80 e 0.00 z 0.00 z 0.00 z 2599.89
1919 0.00 b 0.00 4.00 32.50 234.50 622.50 814.50 615.50 452.00 83.38 b 0.00 z 0.00 z 2858.88
1920 0.00 0.00 b 13.00 0.00 230.50 583.00 704.00 605.50 448.50 207.50 g 0.00 0.00 z 2584.50
1921 0.00 i 0.00 28.00 157.00 360.63 a 757.50 830.50 704.50 466.00 141.00 0.00 1.03 a 3446.17
1922 0.00 0.00 0.00 a 58.50 373.50 592.00 663.50 781.50 538.50 160.34 b 1.50 0.00 a 3169.34
1923 0.00 0.00 0.00 78.50 288.50 602.07 a 821.50 626.00 521.40 e 111.50 6.50 0.00 3055.97
1924 0.00 f 0.00 0.00 98.00 138.00 420.50 573.00 599.00 346.50 263.50 5.00 0.00 2443.50
1925 0.00 a 0.00 38.75 a 233.50 289.50 585.50 763.50 806.50 554.00 13.43 a 0.00 0.00 3284.68
1926 0.00 0.00 a 8.50 134.50 508.00 553.00 783.00 717.00 339.31 a 123.50 0.00 0.00 3166.81
1927 0.00 0.00 6.00 76.50 196.50 487.00 666.50 620.00 510.00 177.50 0.00 0.00 b 2740.00
1928 0.00 0.00 29.00 29.50 359.00 383.00 744.00 721.00 340.50 167.50 3.50 0.00 e 2777.00
1929 0.00 0.00 1.50 82.00 268.15 a 539.00 788.50 744.00 282.00 119.00 0.00 0.00 c 2824.15
1930 0.00 0.00 11.00 118.50 263.50 a 531.50 928.40 b 798.00 397.50 165.00 3.00 0.00 3216.40
1931 0.00 0.00 0.00 151.00 297.00 804.50 913.50 788.50 610.00 203.00 19.50 0.00 3787.00
1932 0.00 0.00 1.50 80.00 376.50 670.34 a 888.15 a 818.92 a 416.00 113.50 0.00 0.00 3364.91
1933 0.00 0.00 12.50 95.00 293.50 880.00 848.00 670.12 a 601.00 144.00 6.50 0.00 3550.62
1934 0.00 0.00 6.20 a 125.00 673.50 711.50 929.50 740.90 a 306.00 238.50 9.00 0.00 3740.10
1935 0.00 0.00 37.00 85.00 173.50 491.50 966.00 743.00 454.00 110.50 0.00 0.00 3060.50
1936 0.00 0.00 6.50 88.00 463.00 649.00 1088.00 892.00 569.00 131.50 0.00 0.00 3887.00
1937 0.00 b 0.00 1.50 99.00 372.50 531.00 864.00 919.50 499.50 141.50 8.00 0.00 3436.50
1938 0.00 a 0.00 7.00 163.00 268.50 598.50 874.00 905.50 528.50 329.00 16.00 0.00 3690.00
1939 0.00 0.00 63.50 112.50 543.02 a 610.00 888.50 734.50 595.50 141.50 3.00 0.00 3692.02
1940 0.00 0.00 0.00 59.00 291.00 622.50 921.00 691.50 612.00 269.00 4.00 0.00 3470.00
1941 0.00 0.00 0.00 135.50 497.50 603.50 852.00 828.00 487.50 144.00 15.50 2.07 a 3565.57
1942 0.00 0.00 2.58 a 190.50 247.00 547.00 748.50 725.00 310.50 180.50 5.00 0.00 2956.58
1943 0.00 0.00 53.50 116.00 257.00 593.50 839.50 777.50 340.50 164.50 0.00 0.00 3142.00
1944 0.00 0.00 0.00 22.00 462.50 541.50 684.00 655.00 366.50 137.50 20.00 0.00 2889.00
1945 0.00 0.00 37.50 44.50 182.50 360.50 684.00 690.00 369.00 133.00 0.56 c 0.00 2501.56
1946 0.00 0.00 57.00 169.50 199.50 593.50 730.00 582.00 363.50 96.00 0.00 0.00 a 2791.00
1947 0.00 0.00 5.00 46.50 189.00 441.50 744.50 924.50 472.00 317.00 0.00 0.00 3140.00
1948 0.00 a 0.00 7.50 163.00 295.00 475.50 765.00 740.50 502.80 e 106.00 5.50 0.00 3060.80
1949 0.00 0.00 0.00 115.50 424.70 a 623.50 849.50 774.50 289.50 134.00 15.00 0.00 3226.20
1950 0.00 0.00 0.00 36.00 222.50 568.45 a 583.50 583.00 386.50 198.00 6.50 0.00 2584.45
1951 0.00 0.00 0.00 60.50 295.50 369.00 655.50 615.00 240.50 142.50 0.00 a 0.00 2378.50
1952 0.00 0.00 0.00 145.00 290.50 691.50 800.00 686.00 500.50 76.50 9.50 0.00 3199.50
1953 0.00 0.00 4.00 39.50 293.50 648.00 749.50 748.00 457.00 291.00 37.00 0.00 3267.50
1954 0.00 0.00 0.00 139.00 234.00 589.50 847.50 698.00 433.00 75.00 23.00 0.00 g 3039.00
1955 0.00 0.00 4.00 228.50 458.50 511.50 952.50 926.00 489.50 190.00 0.00 0.00 3760.50
1956 0.00 0.00 0.00 24.00 379.50 789.00 713.50 689.50 421.00 303.50 0.00 a 0.00 3320.00
1957 0.00 0.00 0.00 119.50 240.00 490.00 877.00 732.12 a 330.50 126.00 1.50 0.00 2916.62
1958 0.00 1.50 0.00 65.00 410.50 467.00 636.50 780.50 504.50 218.50 5.50 0.00 3089.50
1959 0.00 0.00 2.50 95.00 323.00 709.00 767.50 876.00 412.00 49.50 0.00 0.00 3234.50
1960 0.00 0.00 0.00 89.00 288.00 508.50 771.00 732.50 443.00 164.00 12.00 0.00 3008.00
1961 0.00 0.00 18.00 40.50 240.00 602.50 714.50 775.50 349.50 153.00 4.00 0.00 2897.50
1962 0.00 0.00 0.00 121.50 411.50 540.00 678.50 665.50 331.50 173.08 a 3.50 2.00 2927.08
1963 0.00 0.00 57.50 113.50 333.50 691.50 818.00 689.00 491.50 313.50 0.50 0.00 3508.50
1964 0.00 0.00 0.00 122.50 417.50 630.00 910.50 641.50 390.50 147.00 17.50 0.00 3277.00
1965 0.00 0.00 0.00 87.00 393.00 580.50 735.50 700.50 187.50 157.00 10.50 0.00 2851.50
1966 0.00 0.00 25.00 47.50 287.00 613.50 920.00 628.00 374.50 142.00 0.00 0.00 3037.50
1967 0.00 0.00 57.00 88.00 274.50 521.50 719.00 676.00 413.00 142.50 0.00 0.00 2891.50
1968 0.00 0.00 72.00 94.50 196.00 629.00 730.00 744.50 380.00 132.50 0.00 0.00 2978.50
1969 0.00 0.00 0.00 101.50 382.00 427.00 753.50 760.00 466.00 52.00 6.50 0.00 2948.50
1970 0.00 0.00 0.00 100.50 395.00 628.00 784.50 761.00 451.50 117.00 0.00 0.00 3237.50
1971 0.00 0.00 6.00 135.00 256.00 699.00 650.50 760.00 391.50 173.50 0.00 0.00 3071.50
1972 0.00 0.00 0.00 45.50 339.00 574.50 684.00 690.00 381.00 104.00 2.00 0.00 2820.00
1973 0.00 0.00 4.00 71.00 281.00 607.50 767.50 867.50 348.50 203.50 9.00 0.00 3159.50
1974 0.00 0.00 7.50 112.50 257.00 538.50 921.50 615.00 343.00 173.50 0.50 0.00 2969.00
1975 0.00 0.00 0.00 47.50 382.00 558.50 880.50 750.50 321.00 185.50 30.00 0.00 3155.50
1976 0.00 0.00 34.50 124.00 306.50 645.50 856.00 828.50 455.00 110.50 3.50 0.00 3364.00
1977 0.00 0.00 11.50 218.00 540.00 639.00 862.50 612.50 406.00 75.00 10.50 0.00 3375.00
1978 0.00 0.00 29.00 46.50 324.98 a 596.00 731.00 694.50 559.50 132.50 41.00 0.00 3154.98
1979 0.00 0.00 1.00 87.50 260.50 585.00 735.00 663.50 520.00 117.00 0.00 0.00 2969.50
1980 0.00 0.00 1.50 167.00 388.00 669.00 876.00 755.00 506.00 147.00 14.50 0.00 3524.00
1981 0.00 3.00 17.00 234.00 300.00 642.93 a 818.00 692.50 445.50 100.00 31.00 0.00 3283.93
1982 0.00 0.00 1.00 101.50 364.50 451.00 794.50 731.50 380.00 112.50 0.00 0.00 2936.50
1983 0.00 0.00 10.50 33.00 229.00 538.00 845.50 911.50 507.50 106.00 28.00 0.00 3209.00
1984 0.00 0.00 0.00 20.50 275.00 586.00 743.50 791.50 324.50 159.00 4.00 0.00 2904.00
1985 0.00 0.00 5.00 206.50 434.00 479.00 744.00 580.50 356.00 88.00 3.50 0.00 2896.50
1986 0.00 0.00 52.50 69.00 350.50 653.50 796.50 610.00 351.00 133.00 0.50 0.00 3016.50
1987 0.00 0.00 26.50 215.00 522.50 709.00 850.00 630.50 420.00 75.00 14.50 0.00 3463.00
1988 0.00 0.00 16.50 104.50 485.50 823.00 874.50 785.00 425.50 62.00 0.00 0.00 3576.50
1989 0.00 0.00 12.50 153.00 348.50 553.50 853.50 744.00 414.50 171.00 0.00 0.00 3250.50
1990 0.00 0.00 14.00 137.00 268.00 640.50 735.50 756.50 566.50 106.00 24.50 0.00 3248.50
1991 0.00 0.00 13.50 115.00 421.00 751.00 795.50 781.00 472.50 167.50 0.00 0.00 3517.00
1992 0.00 0.00 8.50 83.50 364.50 523.00 511.00 531.50 372.00 149.50 0.00 0.00 2543.50
1993 0.00 0.00 2.50 52.50 294.00 494.50 664.00 679.50 276.00 120.00 0.00 0.00 2583.00
1994 0.00 0.00 13.00 98.50 437.50 644.00 650.50 655.50 469.00 154.00 11.00 0.00 3133.00
1995 0.00 0.00 24.50 6.00 199.50 592.50 800.00 835.50 407.00 110.00 0.00 0.00 a 2975.00
1996 0.00 0.00 0.00 63.00 247.50 632.00 634.50 692.50 357.00 161.50 0.00 0.00 2788.00
1997 0.00 0.00 10.00 47.50 228.00 647.50 785.00 664.50 490.50 225.00 0.00 0.00 3098.00
1998 0.00 3.50 29.00 93.00 468.50 494.00 796.00 768.50 624.50 121.50 5.00 4.00 3407.50
1999 0.00 0.00 22.50 74.50 337.50 559.50 838.00 705.00 347.50 124.50 42.50 0.00 3051.50
2000 0.00 6.50 41.00 106.50 387.00 572.50 778.50 0.00 z 485.00 189.62 a 11.50 0.00 2578.12
2001 0.00 0.00 0.00 130.00 362.00 620.00 837.00 758.50 428.50 134.50 75.50 0.00 3346.00
2002 0.00 0.00 0.00 157.50 255.00 740.00 935.50 711.00 503.00 50.50 1.00 0.00 3353.50
2003 0.00 0.00 31.50 163.00 255.50 532.00 804.50 807.50 432.00 251.50 6.50 0.00 3284.00
2004 0.00 0.00 46.00 142.00 371.50 513.00 704.50 590.50 543.00 136.50 11.50 0.00 3058.50
2005 0.00 0.00 25.50 163.00 320.00 695.00 870.00 768.50 638.00 168.00 26.50 0.00 3674.50
2006 0.00 0.00 10.50 195.50 385.00 657.50 928.50 748.50 313.50 154.00 17.50 0.00 3410.50
2007 0.00 0.00 68.00 156.00 483.00 659.50 857.00 764.50 514.50 182.50 1.50 0.00 3686.50
2008 0.00 0.00 0.00 67.00 260.50 560.00 798.00 714.50 458.00 119.00 39.50 0.00 3016.50
2009 0.00 0.00 22.50 79.50 336.50 529.00 620.00 623.50 451.50 14.50 19.00 0.00 2696.00
2010 0.00 0.00 28.50 176.00 341.50 641.00 820.00 820.00 378.50 193.50 15.50 0.00 3414.50
2011 0.00 d 0.00 1.50 46.03 a 304.50 615.54 b 946.53 a 739.00 382.00 237.00 2.50 0.00 b 3274.60
2012 0.00 0.00 227.50 173.00 463.00 226.50 t 0.00 z 0.00 z 0.00 z 0.00 z 2.00 m 0.00 863.50
2013 0.00 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
Period of Record Statistics
MEAN 0.00 0.13 15.54 101.79 324.17 580.17 778.31 717.25 418.46 144.61 8.51 0.08 3132.79
S.D. 0.00 0.74 28.17 57.39 98.01 97.65 101.37 90.46 94.71 62.01 12.76 0.47 327.21
SKEW 0.00 6.88 4.43 0.45 0.69 0.31 0.06 0.11 0.17 0.73 2.39 6.61 -0.01
MAX 0.00 6.50 227.50 261.96 673.50 880.00 1088.00 926.00 638.00 329.00 75.50 4.00 3887.00
MIN 0.00 0.00 0.00 0.00 130.50 360.50 511.00 476.00 187.50 13.43 0.00 0.00 2378.50
NO YRS 115 119 117 118 117 118 116 116 115 113 113 113 96