WHITE LAKE, SOUTH DAKOTA

Monthly Total Growing Degree Days

(399232)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
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 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
1913 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
1914 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
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 5.00 52.50 f 117.93 a 738.50 282.00 u 0.00 z 0.00 z 766.00 528.03 a 34.66 a 0.00 z 2190.12
1921 0.00 47.50 242.83 d 179.50 j 0.00 z 0.00 z 0.00 z 910.00 643.00 376.50 30.00 28.93 a 2278.77
1922 0.00 0.00 39.00 260.50 629.00 902.50 951.50 1097.50 812.00 338.50 38.50 0.00 5069.00
1923 0.52 a 0.00 25.00 268.00 557.50 854.50 1164.00 927.00 750.50 329.50 100.00 10.50 4987.02
1924 1.00 22.50 3.50 285.50 388.53 a 728.57 b 967.00 996.65 a 623.00 516.50 50.00 0.00 4582.75
1925 0.00 0.50 104.50 471.50 555.50 852.00 1030.50 1111.50 842.50 93.50 23.50 1.50 5087.00
1926 0.00 5.00 78.50 350.50 794.12 a 841.00 1134.50 1037.50 620.50 329.00 16.50 0.00 5207.12
1927 10.73 e 10.50 43.00 257.00 470.00 797.78 c 996.50 900.50 765.50 469.65 a 17.50 0.00 4738.66
1928 1.50 8.50 118.00 161.00 684.00 464.00 j 1058.50 1036.00 664.00 359.00 33.00 8.00 4131.50
1929 0.00 0.00 74.00 265.00 516.50 794.50 1109.50 1078.50 585.00 379.00 12.50 0.50 4815.00
1930 0.00 70.50 40.00 376.00 494.50 814.00 1237.00 1120.00 732.00 355.50 105.00 6.00 5350.50
1931 20.50 17.50 29.00 327.50 539.40 a 1094.00 1193.00 1090.50 918.00 460.00 149.50 0.00 5838.90
1932 0.00 a 35.50 27.00 341.50 676.00 913.00 1148.00 1105.50 727.50 302.50 61.00 h 15.00 5291.50
1933 2.00 21.00 d 92.00 260.00 567.30 a 1201.50 1182.50 997.00 904.50 396.00 37.00 f 13.50 5637.30
1934 8.78 a 15.50 72.00 357.50 1016.50 1030.50 1272.00 1074.50 626.90 a 511.00 132.00 0.00 6117.18
1935 3.00 16.50 160.50 234.50 463.50 65.00 z 1337.50 1085.00 754.00 295.50 13.00 0.00 4363.00
1936 0.00 0.00 43.00 244.50 761.00 982.00 1437.50 1213.00 842.50 352.00 23.50 4.00 5903.00
1937 0.00 0.00 33.50 215.00 685.00 798.50 1220.00 1279.50 815.00 353.50 104.00 0.00 5504.00
1938 0.50 0.50 119.00 346.50 501.00 899.00 1139.00 1185.50 835.00 563.50 42.50 0.00 5632.00
1939 4.50 0.00 157.50 278.50 820.50 894.00 1219.50 1041.00 893.50 323.50 71.50 55.00 5759.00
1940 0.00 0.00 19.00 216.50 575.50 906.00 1251.50 1056.14 b 893.50 584.50 45.50 1.00 5549.14
1941 0.00 a 0.00 38.50 329.48 a 772.42 a 907.00 1199.50 1097.63 d 782.00 388.00 84.00 21.50 f 5598.53
1942 9.00 0.00 33.00 411.00 481.00 825.52 a 1077.25 a 1078.00 581.00 418.00 87.41 a 3.50 5004.68
1943 0.52 a 30.00 119.00 368.50 506.00 885.50 1213.50 1133.50 693.50 430.50 18.50 2.00 5401.02
1944 8.27 a 0.00 3.00 141.00 0.00 z 837.00 1036.95 a 992.50 217.00 q 393.00 78.50 0.00 b 3490.22
1945 0.00 a 7.26 a 175.50 188.79 a 411.78 a 633.10 a 1026.10 a 998.72 a 634.14 a 395.50 40.00 0.00 b 4510.89
1946 0.00 a 2.07 a 179.80 a 456.96 b 435.55 a 915.56 c 1096.50 904.50 639.00 264.53 a 16.00 4.13 a 4914.61
1947 6.20 a 0.00 27.00 158.50 452.50 708.50 981.50 1197.50 737.00 583.50 24.31 a 0.00 4876.51
1948 0.00 0.00 72.50 398.50 576.50 755.00 1002.50 1004.50 820.50 0.00 z 0.00 z 0.00 z 4630.00
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 217.50 x 1152.00 1076.00 591.00 333.00 133.00 0.00 a 3285.00
1950 0.00 3.00 8.27 a 106.00 457.50 804.64 b 889.00 893.00 663.50 414.00 51.00 0.00 4289.91
1951 0.00 a 20.00 0.00 z 0.00 z 0.00 z 538.50 h 973.00 916.50 513.50 297.00 26.11 c 4.13 a 2750.24
1952 0.00 a 0.00 2.00 333.50 600.00 962.50 1098.36 b 1032.00 831.00 274.50 67.00 1.00 5201.86
1953 2.00 0.00 77.50 121.50 535.00 894.83 a 1034.50 1045.50 746.50 525.00 125.00 3.00 5110.33
1954 0.00 63.50 5.00 333.00 466.00 819.50 1136.50 998.41 b 725.50 265.50 132.78 c 0.00 4945.69
1955 0.00 a 0.00 50.50 460.00 747.00 782.50 1215.00 1184.00 816.11 c 426.00 23.00 0.00 5704.11
1956 0.00 0.00 36.00 121.00 599.00 1063.50 1005.50 961.00 c 681.50 539.83 b 42.00 4.00 5053.33
1957 0.00 0.00 17.00 247.50 503.50 775.00 1148.00 1002.50 617.00 316.72 a 20.00 5.00 j 4647.22
1958 0.00 39.00 8.50 220.50 710.93 a 742.76 a 948.71 b 1130.47 a 766.50 424.00 86.50 0.50 5078.37
1959 0.00 0.00 75.00 236.25 b 531.43 c 1000.50 1067.00 1153.72 a 643.00 191.68 a 13.97 a 8.00 4920.54
1960 0.00 0.00 3.50 254.50 552.50 789.50 1098.50 1034.22 b 724.50 407.00 64.00 0.00 4928.22
1961 0.00 c 5.50 63.60 b 160.50 465.00 e 902.50 1076.50 1116.00 604.00 402.00 52.00 5.50 4853.10
1962 10.00 22.50 1.00 296.00 689.50 802.00 969.50 986.00 614.50 440.00 92.00 26.87 a 4949.87
1963 5.00 19.00 173.50 296.00 619.00 964.50 1125.82 a 1038.50 805.50 627.50 76.00 0.00 5750.32
1964 1.50 0.00 12.50 318.00 714.00 898.97 a 1181.74 b 937.23 a 693.50 355.43 b 1.50 l 0.00 5112.87
1965 0.00 17.00 6.00 270.50 644.59 b 855.54 b 1063.50 1022.50 424.66 a 422.93 c 80.50 5.50 4813.21
1966 0.00 0.00 147.50 142.00 561.50 897.00 1244.00 925.50 654.50 350.00 25.00 2.00 4949.00
1967 6.00 3.50 136.00 267.00 499.00 785.00 1008.00 967.00 698.50 345.50 43.00 0.00 a 4758.50
1968 1.50 0.00 213.50 277.00 469.00 911.00 1042.63 a 1063.00 716.50 394.50 42.00 6.50 5137.13
1969 0.00 0.00 0.00 363.50 697.00 737.00 1085.50 1125.50 782.50 209.25 a 67.76 a 4.00 5072.01
1970 0.00 13.50 0.00 a 218.00 682.00 943.50 1137.50 1120.00 766.50 320.50 16.50 0.50 5218.50
1971 0.00 7.28 c 54.50 321.50 536.00 1018.00 977.50 1116.00 686.50 415.00 51.50 0.00 5183.78
1972 0.00 a 1.00 55.50 209.50 631.00 856.00 972.50 1021.50 690.50 282.50 10.00 7.50 4737.50
1973 4.50 4.85 b 57.50 228.75 b 567.82 a 911.00 1093.50 1193.50 638.00 451.00 38.33 c 0.00 5188.75
1974 10.69 b 9.50 67.00 304.00 553.00 847.50 1241.03 a 954.00 647.00 450.00 43.50 1.55 a 5128.77
1975 0.00 a 0.00 33.00 216.00 666.00 858.50 1233.50 1118.50 663.00 432.00 139.00 0.00 5359.50
1976 0.00 53.00 117.28 a 381.72 a 606.50 946.50 1217.50 1188.50 766.07 b 282.50 44.00 2.07 a 5605.65
1977 0.00 8.00 55.00 447.00 810.00 957.00 1180.07 a 942.50 688.97 a 266.00 49.50 0.00 5404.03
1978 0.00 0.00 83.50 180.50 562.50 848.28 a 1032.50 1006.00 847.50 333.00 96.00 0.00 a 4989.78
1979 0.00 0.00 23.77 a 186.00 430.68 c 748.27 d 965.00 908.50 772.50 288.50 16.00 12.52 e 4351.73
1980 1.19 e 0.00 b 18.00 298.50 559.60 b 909.00 1153.00 1046.00 746.50 291.00 75.00 2.77 c 5100.56
1981 7.50 35.00 82.00 422.00 492.00 645.50 f 1053.00 940.50 698.00 285.50 92.07 a 0.00 4107.57
1982 0.00 12.50 32.50 213.50 601.50 658.00 1047.50 981.00 209.00 s 275.50 8.50 4.00 3834.50
1983 0.00 14.00 41.00 104.50 448.00 737.00 1060.50 1156.50 673.50 318.50 62.68 b 0.00 4616.18
1984 0.00 0.00 7.50 185.50 523.00 848.50 1027.50 1036.50 589.50 330.50 76.00 9.00 4633.50
1985 0.00 9.50 95.00 431.50 780.00 769.50 1079.00 859.00 562.50 j 232.00 m 21.00 0.00 4044.50
1986 0.57 d 0.50 151.00 265.00 673.50 949.00 1123.00 939.50 607.00 362.00 36.00 0.00 5107.07
1987 9.50 14.50 96.50 435.00 821.00 990.50 1180.00 940.00 704.00 254.00 91.00 6.50 5542.50
1988 0.00 4.00 97.00 297.50 737.00 1112.50 1162.00 1117.50 731.00 272.50 49.50 6.00 5586.50
1989 10.00 0.00 75.00 337.50 604.00 861.00 1179.50 1091.50 718.50 394.50 49.00 3.50 5324.00
1990 9.00 11.00 88.50 308.50 536.50 899.50 1035.00 1072.50 881.50 324.50 123.00 15.00 5304.50
1991 0.00 23.50 86.00 318.50 660.50 1019.50 1117.50 1096.50 768.00 378.50 14.00 0.00 5482.50
1992 6.00 28.00 95.00 246.00 663.50 798.00 822.00 841.50 675.50 345.00 0.00 0.00 4520.50
1993 0.50 0.00 57.00 211.00 569.50 746.50 949.50 966.50 570.50 311.50 18.00 0.50 4401.00
1994 0.00 6.50 98.00 264.00 711.00 886.50 973.00 968.50 754.50 390.00 66.50 2.00 5120.50
1995 0.00 24.00 126.00 105.50 473.50 841.50 1087.50 1166.50 670.00 279.00 1.50 3.50 4778.50
1996 5.50 22.00 17.50 210.00 474.00 891.50 934.00 996.00 629.50 358.50 19.50 0.00 4558.00
1997 1.50 0.00 100.00 215.00 498.00 917.50 1053.00 979.00 771.00 419.50 18.00 1.50 4974.00
1998 17.50 29.00 63.00 299.00 706.00 747.00 1091.00 1059.00 892.00 348.50 71.50 46.00 5369.50
1999 0.00 44.00 104.00 248.00 590.50 831.00 1137.00 1041.50 612.00 341.50 164.00 12.50 5126.00
2000 0.00 65.00 155.50 294.50 676.50 846.50 1113.50 1105.00 799.00 446.50 31.55 a 0.00 5533.55
2001 0.00 0.00 0.50 289.00 654.50 856.00 1151.50 1121.50 752.00 365.50 212.50 0.00 5403.00
2002 20.00 16.50 12.50 303.50 208.50 l 1003.50 1266.50 1044.50 788.00 169.50 47.50 2.50 4674.50
2003 9.00 5.00 131.50 343.50 550.00 799.50 1139.50 1126.00 739.50 469.00 58.00 1.50 5372.00
2004 0.00 7.50 132.50 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 140.00
2005 0.00 z 0.00 z 0.00 z 248.50 421.00 861.50 1099.50 1034.00 838.50 321.50 86.00 0.00 4910.50
2006 1.00 0.50 36.00 287.50 589.00 875.50 1195.00 1011.50 502.50 239.50 75.00 0.00 4813.00
2007 0.00 0.00 151.00 242.00 666.00 864.83 a 1108.77 a 985.50 681.50 333.50 70.00 0.00 5103.09
2008 0.00 1.50 14.00 132.50 416.00 762.00 1037.50 983.50 663.50 276.50 67.00 0.00 a 4354.00
2009 0.00 8.00 77.50 184.50 0.00 z 0.00 z 0.00 z 874.00 692.50 103.50 90.50 2.00 2032.50
2010 0.00 0.00 52.50 311.50 471.00 828.50 1033.50 1087.00 589.00 380.00 71.50 0.00 4824.50
2011 0.00 7.50 35.00 152.50 445.00 774.50 1161.50 974.50 602.50 390.50 61.00 0.50 4605.00
2012 16.50 0.00 321.50 330.00 608.00 934.00 1243.50 999.00 706.00 240.50 50.00 20.50 5469.50
2013 0.00 0.00 23.25 a 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 23.25
Period of Record Statistics
MEAN 2.54 10.82 71.41 271.24 590.65 868.02 1102.38 1039.22 712.68 362.10 58.36 4.41 5103.48
S.D. 4.70 15.89 60.72 88.90 118.22 99.79 104.21 88.85 96.92 97.46 40.68 9.06 395.96
SKEW 2.14 1.94 1.29 0.16 0.70 0.54 0.17 0.09 -0.09 0.14 1.10 3.62 0.13
MAX 20.50 70.50 321.50 471.50 1016.50 1201.50 1437.50 1279.50 918.00 627.50 212.50 55.00 6117.18
MIN 0.00 0.00 0.00 104.50 388.53 633.10 822.00 841.50 424.66 93.50 0.00 0.00 4289.91
NO YRS 92 92 90 89 86 84 89 91 89 90 88 88 73