CASTLEWOOD, SOUTH DAKOTA

Monthly Total Growing Degree Days

(391519)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201111
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 2.50 34.66 a 396.00 814.50 925.00 843.50 591.50 23.00 x 51.50 0.00 3659.16
1894 0.00 0.00 35.65 a 55.00 k 317.50 m 887.50 1033.33 a 607.00 j 0.00 z 118.00 j 1.00 0.00 1957.48
1895 0.00 9.00 26.57 c 374.00 568.69 b 710.50 907.00 846.00 648.50 182.79 b 14.48 a 0.00 4287.54
1896 0.00 6.21 a 3.00 241.50 47.50 z 748.50 834.79 c 870.07 a 198.00 p 176.81 d 0.00 d 0.00 2880.88
1897 0.00 a 0.00 13.00 158.00 475.33 a 697.00 979.50 727.31 e 816.96 b 255.48 b 12.50 q 0.00 4122.59
1898 0.00 0.00 m 28.13 d 149.44 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 177.57
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 47.68 b 0.00 47.68
1906 0.00 4.00 2.00 248.00 468.50 645.50 797.00 872.50 671.50 234.50 19.50 0.00 3963.00
1907 0.00 0.00 a 54.50 30.00 227.50 648.00 824.00 840.00 466.50 213.50 14.50 0.00 3318.50
1908 0.50 0.00 12.50 245.00 420.50 654.00 859.00 759.50 764.50 248.00 47.50 0.00 4011.00
1909 0.00 0.00 4.00 51.50 445.50 747.50 870.50 996.00 572.50 228.50 89.50 0.00 4005.50
1910 0.00 0.00 207.00 318.00 335.50 738.00 911.00 784.00 553.00 415.00 0.00 z 0.00 4261.50
1911 0.00 0.00 68.50 178.50 613.50 939.00 874.00 774.50 566.50 185.50 0.00 0.00 4200.00
1912 0.00 0.00 5.00 221.00 502.00 639.50 886.50 790.50 487.00 281.00 31.00 0.00 3843.50
1913 0.00 2.50 9.50 238.50 400.00 831.50 871.00 975.00 609.00 234.50 54.50 0.00 4226.00
1914 0.00 0.00 10.00 206.50 510.50 755.00 1028.00 855.00 617.50 391.50 55.50 0.00 4429.50
1915 0.00 0.00 0.00 418.50 338.00 590.00 733.50 714.00 548.50 280.00 55.00 0.00 3677.50
1916 0.00 0.00 24.00 133.00 459.00 598.00 1130.50 874.00 534.00 188.00 49.00 0.00 3989.50
1917 0.00 0.00 14.50 57.00 344.50 617.00 948.50 785.00 535.50 108.00 99.00 0.00 3509.00
1918 0.00 0.50 101.50 83.00 563.00 758.50 875.50 904.50 397.00 339.50 70.50 0.00 4093.50
1919 0.00 0.00 28.00 144.00 461.50 815.50 987.50 859.50 632.00 155.50 2.50 0.00 4086.00
1920 0.00 0.00 58.00 39.00 469.50 739.50 884.50 788.50 654.00 420.00 0.00 0.00 4053.00
1921 0.00 12.50 55.50 244.00 504.00 934.50 1008.00 865.00 586.50 286.50 3.50 2.00 4502.00
1922 0.00 0.00 0.00 163.50 570.00 814.00 866.50 990.50 721.00 346.50 45.00 0.00 4517.00
1923 0.00 0.00 7.50 173.00 491.00 811.00 1018.00 807.00 663.00 240.50 37.50 0.00 4248.50
1924 0.00 2.00 0.00 187.50 264.00 636.50 803.50 827.00 479.00 424.50 20.50 0.00 3644.50
1925 0.00 0.00 76.50 370.00 415.50 714.00 856.50 963.50 743.50 47.50 4.00 0.00 4191.00
1926 0.00 1.50 29.00 221.00 678.00 669.50 970.50 886.00 498.50 253.00 10.50 0.00 4217.50
1927 0.00 0.00 a 22.00 183.50 369.00 693.00 821.50 754.50 657.00 338.50 4.50 0.00 3843.50
1928 0.00 0.00 66.00 94.50 585.00 621.00 939.00 894.00 497.50 260.00 20.00 0.00 3977.00
1929 0.00 0.00 25.50 184.50 404.00 713.50 968.50 908.00 479.00 263.00 6.00 0.00 3952.00
1930 0.00 29.00 18.00 245.00 464.00 722.00 1063.00 1001.50 578.00 281.50 47.00 0.00 4449.00
1931 2.50 4.50 23.00 257.50 429.50 976.50 1050.50 908.00 799.00 355.50 81.00 0.00 4887.50
1932 0.00 9.00 12.50 212.00 566.00 842.00 981.00 928.00 561.00 181.00 25.50 3.50 4321.50
1933 0.00 3.50 34.50 175.00 494.00 1041.00 1069.00 887.00 765.50 236.00 17.00 4.00 4726.50
1934 1.50 0.00 25.00 191.50 866.00 903.50 1074.00 895.50 466.00 398.50 36.50 0.00 4858.00
1935 0.00 0.00 67.50 154.00 369.50 672.50 1149.50 947.00 656.50 228.00 0.52 a 0.00 4245.02
1936 0.00 0.00 11.50 149.50 681.50 810.00 1273.00 1063.30 a 725.50 225.50 6.50 0.00 4946.30
1937 0.00 0.00 5.00 144.00 585.00 717.50 1051.00 1112.50 650.69 a 220.50 46.50 0.00 4532.69
1938 0.00 0.00 55.00 287.50 443.50 789.83 a 999.00 1042.00 684.00 485.67 a 26.00 0.00 4812.49
1939 0.00 0.00 89.50 193.50 702.50 778.50 1029.00 914.50 708.00 244.50 20.00 11.50 4691.50
1940 0.00 0.00 0.00 126.50 467.00 769.50 1076.00 845.00 725.00 431.00 32.00 0.00 4472.00
1941 0.00 0.00 28.50 294.50 664.00 775.50 1051.00 1032.00 717.50 310.50 41.00 28.00 4942.50
1942 0.00 0.00 19.00 331.00 374.50 710.00 876.50 885.00 475.50 297.50 31.50 0.00 4000.50
1943 0.00 0.00 67.50 202.00 374.50 761.50 958.00 900.00 466.00 279.00 0.50 0.00 4009.00
1944 5.50 0.00 0.00 79.50 620.00 763.50 862.50 823.50 536.00 263.50 63.50 0.00 4017.50
1945 0.00 0.00 136.00 124.50 361.50 563.00 877.50 884.50 542.00 267.50 12.00 0.00 3768.50
1946 0.00 0.00 138.00 345.50 331.00 k 812.50 974.50 833.50 563.50 218.50 9.00 0.00 3895.00
1947 0.00 0.00 17.50 106.50 371.00 662.07 a 933.21 b 1110.00 0.00 z 431.00 19.50 0.00 e 3650.78
1948 0.00 g 0.00 g 18.71 b 280.71 b 0.00 z 634.80 e 943.29 c 752.50 h 743.33 c 286.46 d 41.00 l 0.00 a 2907.30
1949 0.00 d 0.00 d 4.28 b 222.69 d 477.50 f 796.11 c 459.50 p 953.25 e 471.67 c 230.50 h 60.00 d 0.00 a 2508.00
1950 0.00 z 0.00 d 7.50 g 0.00 z 453.93 c 778.50 833.00 793.50 621.00 339.50 4.00 0.00 3823.43
1951 0.00 2.00 0.00 124.50 513.16 c 629.50 874.89 d 833.12 c 291.50 j 259.92 e 7.78 c 0.00 3244.88
1952 0.00 b 0.00 a 0.00 b 278.33 c 467.30 d 878.57 b 806.50 f 908.50 658.45 a 184.00 33.62 a 0.00 c 3408.77
1953 0.00 b 0.00 f 28.79 c 84.11 b 476.50 832.50 907.55 b 953.00 601.67 c 413.16 b 71.00 0.00 b 4368.27
1954 0.00 a 2.80 c 0.55 c 236.00 379.00 782.07 a 733.00 h 900.07 b 588.89 c 183.50 87.86 b 0.00 a 3160.74
1955 0.00 a 0.00 d 29.89 c 369.11 b 676.26 d 726.21 a 1113.23 c 1041.27 c 621.43 b 357.05 c 7.00 0.00 4941.45
1956 0.00 b 0.00 c 2.00 57.50 518.50 925.00 870.87 d 875.23 a 526.11 c 425.96 d 25.71 b 0.00 4226.89
1957 0.00 a 0.00 c 6.41 b 216.50 424.91 b 720.54 b 1083.40 b 928.34 c 501.50 243.35 a 9.00 0.00 b 4133.95
1958 0.00 a 11.93 a 9.50 144.83 a 628.78 a 623.33 c 846.96 c 941.33 e 648.21 b 299.48 c 21.00 0.00 a 4175.36
1959 0.00 0.00 a 31.00 c 199.00 517.50 881.50 955.50 1081.68 c 613.93 b 122.00 0.50 1.00 4403.61
1960 0.00 a 0.00 0.00 164.00 485.87 e 699.00 985.36 c 958.93 a 609.83 a 311.55 a 20.50 0.00 a 4235.03
1961 0.00 0.00 16.02 a 90.50 419.53 a 791.90 a 867.50 970.50 491.54 d 266.50 7.50 0.55 c 3922.04
1962 0.00 0.00 0.00 a 189.64 b 566.86 c 751.50 873.17 a 904.34 b 502.78 c 345.00 28.00 12.29 b 4173.58
1963 0.00 0.00 90.33 b 244.50 505.82 a 872.59 a 974.36 b 932.77 c 663.50 523.38 a 18.10 a 0.00 4825.35
1964 0.00 0.00 2.00 240.00 a 625.68 a 823.39 b 1094.00 860.52 b 548.28 a 267.12 a 75.50 0.00 4536.49
1965 0.00 0.00 0.00 156.50 566.27 a 771.00 951.91 b 900.03 a 286.11 c 319.50 38.00 0.00 3989.32
1966 0.00 0.00 80.08 a 82.00 444.85 a 785.50 1109.80 a 819.90 b 557.59 a 236.50 1.00 0.00 b 4117.22
1967 0.00 b 0.00 a 99.64 c 193.00 424.00 742.50 b 901.07 a 875.75 a 628.45 a 268.50 13.45 a 0.00 4146.36
1968 0.00 0.00 156.60 b 213.75 b 407.65 a 830.17 a 0.00 z 919.84 b 582.86 b 284.00 16.61 b 0.00 a 3411.48
1969 0.00 a 0.00 a 0.00 a 213.10 a 587.45 a 618.46 d 958.33 b 994.58 a 664.50 159.28 b 38.50 0.00 b 4234.20
1970 0.00 0.00 0.00 b 180.00 a 575.50 864.50 1020.00 996.81 b 650.00 264.50 1.07 b 0.00 4552.38
1971 0.00 0.00 40.00 265.71 b 469.28 b 908.57 b 867.50 964.74 b 597.78 c 331.50 13.45 a 0.00 4458.53
1972 0.00 b 0.00 a 9.82 a 112.76 a 595.72 a 799.50 902.50 912.50 577.76 a 219.07 a 9.00 0.00 4138.62
1973 0.00 a 0.00 a 31.55 c 161.50 500.50 824.00 1003.00 1068.00 562.24 a 406.50 24.31 a 0.00 4581.61
1974 0.00 0.00 19.00 233.50 455.38 b 775.50 1149.50 864.90 a 547.24 a 342.00 18.00 0.00 a 4405.02
1975 0.00 0.00 b 7.50 93.10 a 594.00 797.59 a 1082.00 954.28 a 516.21 a 336.00 106.50 0.00 4487.18
1976 0.00 8.29 a 80.50 306.00 512.53 a 881.50 1114.00 1106.91 b 672.00 219.50 11.50 0.00 4912.73
1977 0.00 b 1.04 a 53.00 397.00 797.50 852.41 a 1049.50 818.50 622.24 a 218.50 38.50 0.00 4848.19
1978 0.00 b 0.00 a 29.93 b 156.21 a 564.50 817.00 970.82 a 945.50 a 751.55 a 250.50 71.50 0.00 b 4557.51
1979 0.00 b 0.00 0.00 148.45 a 404.00 800.00 971.50 851.98 a 693.50 217.57 d 11.00 0.00 4098.01
1980 0.00 a 0.00 a 5.68 a 290.77 d 628.30 c 822.00 989.00 946.53 a 639.31 a 266.17 b 48.60 e 0.00 b 4636.37
1981 5.50 14.00 b 81.24 b 354.31 a 512.05 c 776.38 a 1007.50 c 933.74 b 630.00 a 248.53 b 79.82 b 0.00 c 4643.08
1982 0.00 1.50 7.00 214.00 606.00 665.00 1015.50 948.00 582.50 240.00 3.50 1.00 4284.00
1983 0.00 5.00 34.00 108.00 441.50 787.00 1105.00 1179.50 659.00 253.50 49.50 0.00 4622.00
1984 0.00 0.00 0.00 154.00 477.50 805.50 989.50 1014.00 493.00 321.50 39.50 0.00 4294.50
1985 0.00 3.50 43.50 352.50 696.00 685.50 972.50 791.00 545.50 220.50 16.00 0.00 4326.50
1986 0.00 0.00 70.50 216.00 586.00 875.50 1030.00 828.00 575.00 0.00 z 2.00 j 0.00 4181.00
1987 0.00 0.00 42.00 362.50 659.50 878.50 1033.50 809.00 580.00 121.00 66.00 0.00 4552.00
1988 0.00 0.00 33.00 148.50 686.50 990.50 1064.00 955.00 563.50 144.50 8.50 0.00 4594.00
1989 0.00 0.00 26.00 217.50 473.00 713.00 1058.00 908.00 527.00 256.00 6.50 0.00 4185.00
1990 0.00 0.00 30.00 210.50 416.00 782.00 882.50 868.00 674.50 148.50 59.00 0.50 4071.50
1991 0.00 1.50 30.00 213.00 586.50 888.00 917.50 910.50 533.50 200.50 0.00 0.00 4281.00
1992 0.00 0.00 21.50 85.50 538.50 671.50 664.00 690.50 483.50 215.00 0.00 0.00 3370.00
1993 0.00 0.00 11.00 88.00 426.00 608.50 818.00 835.00 364.50 185.00 1.50 0.00 3337.50
1994 0.00 0.00 14.50 157.50 572.00 757.50 820.50 763.00 607.50 239.00 25.50 0.00 3957.00
1995 0.00 0.00 j 52.00 34.00 368.50 796.50 923.50 930.00 459.50 0.00 z 1.50 0.00 3565.50
1996 0.00 0.00 j 3.00 67.00 343.50 779.00 826.50 848.00 510.50 213.50 3.50 0.00 3594.50
1997 0.00 0.00 1.50 126.50 335.50 820.50 916.50 842.50 604.50 301.50 4.00 0.00 3953.00
1998 0.00 3.00 30.50 188.00 629.50 656.50 939.50 912.00 711.50 260.50 27.50 p 0.00 i 4331.00
1999 0.00 a 7.00 33.50 189.00 494.89 c 788.57 b 1025.00 868.00 513.00 212.00 111.35 d 0.00 4242.31
2000 0.00 e 22.00 119.98 d 166.50 550.00 716.00 922.50 890.00 562.00 318.61 d 28.50 0.00 q 4296.09
2001 0.00 a 0.00 0.00 c 151.07 b 538.50 801.72 a 1023.00 0.00 z 569.00 206.50 142.76 a 0.00 3432.55
2002 0.00 0.00 0.00 173.00 351.00 910.50 1086.50 895.50 637.50 0.00 z 6.50 0.00 4060.50
2003 0.00 0.00 47.00 256.50 434.00 735.00 951.50 933.50 483.50 297.50 11.50 0.00 4150.00
2004 0.00 0.00 55.50 189.50 405.00 644.00 867.00 698.00 668.50 230.50 31.50 0.00 3789.50
2005 0.00 5.00 37.50 243.50 437.50 836.50 985.00 858.50 660.50 232.00 35.50 0.00 4331.50
2006 0.00 0.00 17.50 239.00 494.00 753.00 1025.00 875.00 418.00 176.50 38.00 0.00 4036.00
2007 0.00 0.00 59.00 194.50 558.50 795.00 947.50 812.50 591.50 261.50 21.50 0.00 4241.50
2008 0.00 0.00 0.00 73.00 370.50 631.00 932.50 828.50 349.00 j 138.00 43.00 0.00 3016.50
2009 0.00 a 0.00 18.00 125.00 393.91 b 639.00 722.62 b 729.00 591.00 35.50 9.50 0.00 a 3263.53
2010 0.00 0.00 g 0.00 h 280.50 463.00 764.50 963.00 998.50 494.00 258.00 52.50 0.00 4274.00
2011 0.00 0.00 0.00 82.00 438.65 a 729.00 1106.00 954.69 d 584.00 354.00 0.00 z 0.00 z 4248.33
Period of Record Statistics
MEAN 0.14 1.63 31.91 191.05 496.08 765.50 958.56 896.78 589.15 264.86 30.23 0.59 4241.03
S.D. 0.78 4.37 37.24 86.62 110.62 94.49 101.79 92.51 93.72 86.35 28.71 3.14 380.61
SKEW 6.17 3.94 1.97 0.38 0.49 0.20 0.01 0.37 -0.13 0.34 1.30 7.08 -0.28
MAX 5.50 29.00 207.00 418.50 866.00 1041.00 1273.00 1179.50 816.96 523.38 142.76 28.00 4946.30
MIN 0.00 0.00 0.00 30.00 227.50 563.00 664.00 690.50 286.11 35.50 0.00 0.00 3263.53
NO YRS 110 106 110 110 106 111 107 108 106 105 106 109 86