FORESTBURG 4 NNE, SOUTH DAKOTA

Monthly Total Growing Degree Days

(393029)

Base Temperature = 40 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
1893 0.00 0.00 19.00 117.00 462.00 919.00 995.50 908.00 706.00 256.00 69.00 1.00 4452.50
1894 0.00 0.00 86.00 278.50 622.00 944.00 1131.00 1002.00 648.00 263.00 28.00 4.00 5006.50
1895 0.00 25.00 51.00 468.00 590.00 783.00 1002.50 958.00 700.00 246.00 15.00 b 1.00 4839.50
1896 2.00 19.00 22.00 308.00 719.00 837.00 1010.00 978.00 566.00 202.00 0.00 0.00 4663.00
1897 0.00 0.00 z 21.00 209.00 599.33 a 780.00 1046.00 825.63 a 879.00 356.00 31.00 0.00 4746.97
1898 0.00 1.00 31.00 212.14 b 469.13 a 827.00 965.00 940.00 654.00 119.87 a 25.00 0.00 4244.14
1899 0.00 5.00 2.00 239.00 510.47 a 708.00 893.00 1002.00 556.00 271.00 84.00 1.00 4271.47
1900 4.00 0.00 43.00 325.00 675.00 851.00 1039.00 1157.00 659.00 475.50 33.00 0.00 5261.50
1901 0.00 0.00 a 34.00 316.00 644.00 859.00 1251.00 1064.00 565.00 395.00 38.00 0.00 5166.00
1902 3.00 2.00 78.03 b 201.00 657.50 677.00 980.00 876.00 553.00 301.00 34.00 0.00 4362.53
1903 0.00 0.00 27.00 239.50 587.00 740.00 963.00 894.50 574.00 385.00 62.00 0.00 4472.00
1904 0.00 0.00 12.00 119.00 566.00 755.00 906.00 877.50 642.00 390.00 75.00 0.00 4342.50
1905 0.00 a 4.00 117.00 203.50 451.50 762.50 918.00 1005.43 a 737.00 240.25 a 52.00 0.00 4491.18
1906 0.00 9.00 1.00 292.00 544.50 699.00 854.50 898.00 672.50 274.50 24.00 0.00 4269.00
1907 0.00 2.00 77.00 58.00 281.50 686.00 880.00 881.00 496.00 267.00 33.50 0.00 3662.00
1908 0.00 0.00 40.00 346.00 0.00 z 738.50 963.50 858.00 844.50 320.50 95.50 0.00 4206.50
1909 0.00 0.00 6.00 103.00 539.00 826.55 a 985.00 1105.00 696.50 307.50 94.66 a 0.00 4663.21
1910 0.00 0.00 285.20 a 383.50 445.88 a 866.00 1045.73 a 865.62 e 682.00 511.50 7.00 0.00 a 5092.43
1911 0.00 p 0.00 107.50 255.00 703.00 1039.00 996.00 905.00 685.50 254.00 2.00 0.00 4947.00
1912 0.00 0.00 6.50 303.50 632.50 770.50 1002.00 904.00 543.50 360.63 a 40.50 f 0.00 4523.13
1913 2.00 4.50 17.50 302.00 524.00 1014.50 1020.00 1078.00 707.50 289.50 35.00 0.00 4994.50
1914 0.00 0.00 8.02 b 213.00 556.50 913.00 1130.00 939.50 629.50 409.50 114.50 0.00 4913.52
1915 0.00 0.00 0.00 500.17 a 430.50 690.00 821.50 786.88 a 657.00 392.50 89.00 0.00 4367.56
1916 0.00 0.00 42.00 168.50 515.00 673.00 1198.50 983.00 620.00 217.00 38.00 4.50 4459.50
1917 0.00 0.00 33.00 93.00 398.50 697.50 1066.50 901.00 645.00 162.00 78.62 a 0.00 4075.12
1918 0.00 0.52 a 145.00 128.00 608.00 824.00 248.00 w 974.00 476.50 381.50 64.00 2.00 3603.52
1919 0.00 0.00 43.50 148.50 568.50 872.50 1055.50 937.00 705.00 207.00 3.50 0.00 4541.00
1920 0.00 0.00 a 61.50 40.00 531.00 805.00 969.00 898.00 700.50 471.00 1.50 0.00 4477.50
1921 0.00 12.00 105.50 320.00 567.00 996.00 1056.50 916.50 663.50 321.50 15.00 7.50 4981.00
1922 0.00 0.00 24.00 242.00 594.50 856.00 928.50 1048.50 778.45 a 353.50 54.50 0.00 4879.95
1923 0.00 0.00 16.50 222.41 a 566.50 867.50 1073.50 857.50 678.50 333.50 58.50 0.00 4674.41
1924 5.50 11.50 1.00 270.00 427.50 700.50 898.00 929.50 610.00 476.00 41.50 0.50 4371.50
1925 0.00 0.00 110.50 434.00 465.00 877.00 1032.50 1012.50 752.50 108.50 6.50 0.00 4799.00
1926 0.00 1.04 a 69.50 329.50 779.13 a 761.38 a 1034.50 1005.00 609.31 a 342.50 18.50 0.00 4950.36
1927 0.00 2.59 a 28.00 225.00 468.00 778.50 934.50 872.50 731.00 394.50 14.00 0.00 4448.59
1928 1.50 0.00 101.27 a 135.00 649.00 685.50 1009.50 976.00 579.00 324.50 29.00 0.00 4490.27
1929 0.00 0.00 60.50 199.00 492.00 809.00 1084.47 b 1031.50 561.00 330.50 5.50 0.00 4573.47
1930 0.00 35.00 23.00 339.00 490.50 809.00 1208.50 1115.50 675.50 325.50 67.00 0.00 5088.50
1931 9.30 a 4.50 29.00 323.50 516.00 1043.00 1141.50 1096.00 875.50 415.00 92.59 a 0.00 5545.89
1932 0.00 12.50 6.20 a 292.00 679.00 939.00 1148.03 a 1073.00 661.00 246.50 63.62 a 12.40 a 5133.25
1933 0.00 11.00 58.00 251.50 550.00 1137.00 1132.00 949.00 841.03 a 313.50 45.50 4.00 5292.53
1934 1.50 7.00 71.00 284.00 968.50 976.50 1226.00 1033.00 555.50 485.50 89.00 0.00 5697.50
1935 0.00 1.00 76.50 161.50 317.00 641.00 1256.00 1015.50 761.50 286.00 12.50 0.00 4528.50
1936 0.00 0.00 28.00 193.00 737.50 917.50 1391.50 1139.00 784.50 291.50 19.50 0.50 5502.50
1937 0.00 0.00 15.50 181.50 639.50 751.00 1098.50 1210.00 724.14 a 296.50 74.50 0.00 4991.14
1938 0.00 a 0.00 110.00 338.00 501.00 848.79 a 1085.50 1138.50 781.00 545.50 30.50 0.00 5378.79
1939 0.00 0.00 a 123.00 247.50 807.00 846.50 1147.00 997.50 833.50 323.50 42.50 42.00 5410.00
1940 0.00 0.00 7.50 197.50 529.00 841.00 1153.00 941.00 847.76 a 486.50 44.50 0.00 5047.76
1941 0.00 0.00 29.50 314.50 755.37 a 842.00 1128.00 1091.50 724.50 344.50 60.00 33.50 5323.37
1942 3.50 0.00 31.50 390.50 450.50 794.00 966.00 963.00 505.50 368.50 54.00 0.00 4527.00
1943 0.00 10.50 88.00 300.00 470.17 a 824.00 1105.00 1049.87 a 615.52 a 356.00 15.00 2.00 4836.05
1944 6.00 0.00 1.00 119.50 753.50 788.00 941.88 a 913.50 620.50 358.00 50.50 0.00 4552.38
1945 0.00 0.00 160.50 160.00 376.50 604.00 937.50 933.50 597.93 a 331.70 a 25.00 0.00 4126.63
1946 0.00 1.50 157.50 405.52 a 432.00 816.00 1035.00 853.50 591.00 233.00 3.50 1.50 4530.02
1947 4.50 0.00 20.00 132.00 420.00 700.50 982.00 1168.00 679.00 510.00 17.00 0.00 4633.00
1948 0.00 0.00 39.00 368.00 523.50 727.50 1016.28 a 1001.50 775.50 287.50 39.00 0.00 4777.78
1949 0.00 0.00 9.00 f 305.00 672.00 862.00 1097.50 1055.03 a 545.50 330.50 99.83 a 0.00 4967.36
1950 0.00 0.00 12.50 110.00 447.00 803.00 869.00 864.50 621.00 365.50 31.03 a 2.77 c 4126.30
1951 0.00 6.00 4.00 142.00 569.00 662.50 945.50 898.00 504.00 309.50 18.50 2.00 4061.00
1952 0.00 0.00 5.00 329.00 588.00 976.03 a 1050.50 986.50 757.50 233.02 a 59.00 1.50 4986.05
1953 0.00 0.00 57.00 122.00 523.00 884.48 a 990.50 1021.00 701.00 509.50 100.50 0.00 4908.98
1954 0.00 25.50 5.50 307.00 427.50 811.50 1085.50 976.50 672.00 238.00 124.50 0.00 4673.50
1955 0.00 a 0.00 46.00 458.79 a 733.50 769.00 1197.50 1154.50 732.50 400.00 17.00 0.00 5508.79
1956 0.00 0.00 a 23.00 90.50 611.50 1050.50 962.00 921.50 625.00 498.00 31.00 2.50 4815.50
1957 0.00 0.00 15.00 266.00 493.50 766.50 1142.00 993.50 591.50 320.50 11.38 a 6.50 4606.38
1958 0.50 27.48 a 14.98 a 208.00 656.50 713.50 920.00 1075.50 753.50 402.00 86.79 b 0.00 4858.75
1959 0.00 0.00 46.50 236.38 a 595.50 994.00 1084.50 1125.82 a 634.50 180.50 17.00 2.00 4916.70
1960 0.00 0.00 a 0.00 a 238.50 574.02 a 757.00 1072.50 1018.57 c 690.00 366.00 43.50 0.00 4760.09
1961 0.00 1.00 53.00 135.00 461.50 848.50 974.50 1053.00 570.00 369.50 32.00 0.50 4498.50
1962 6.72 a 8.50 0.00 255.00 645.00 787.00 931.00 954.50 584.50 408.50 66.50 22.50 4669.72
1963 4.50 7.26 a 144.00 261.50 569.00 940.00 1066.00 981.00 741.50 588.00 55.00 0.00 5357.76
1964 0.50 0.00 3.50 305.50 688.00 901.50 1160.50 904.00 637.00 354.50 87.50 0.00 5042.50
1965 0.00 0.00 4.00 232.50 642.50 824.50 1024.50 980.50 394.00 422.00 58.50 2.00 4585.00
1966 0.00 0.00 126.00 136.00 505.50 881.00 1213.50 889.50 642.00 351.00 15.50 1.00 4761.00
1967 1.00 2.50 127.00 252.00 479.00 783.00 1004.29 b 950.00 681.50 325.50 37.50 0.00 4643.29
1968 0.00 0.00 186.50 248.00 414.00 869.50 998.00 986.50 648.50 333.50 44.50 1.50 4730.50
1969 0.00 0.00 0.00 307.50 635.50 660.00 1027.50 1051.50 733.50 181.00 54.50 2.50 4653.50
1970 0.00 0.00 0.00 209.50 625.50 909.50 1079.00 1034.50 720.00 284.50 11.00 0.00 4873.50
1971 0.00 4.00 48.50 312.00 502.50 969.50 940.50 1057.00 663.50 411.50 36.50 0.00 4945.50
1972 0.00 0.00 43.00 185.00 607.00 824.00 940.00 972.00 660.00 260.00 21.00 0.00 4512.00
1973 1.00 0.52 a 63.00 222.00 534.50 875.50 1041.00 1154.00 606.00 454.00 32.00 0.50 4984.02
1974 4.00 6.00 55.00 291.00 503.50 801.00 1176.50 907.00 598.00 388.50 40.00 0.00 4770.50
1975 0.00 0.00 19.50 147.00 626.00 823.50 1183.50 1052.00 599.00 416.00 124.50 0.00 4991.00
1976 0.00 35.50 120.00 363.00 569.00 951.50 1164.00 1139.50 726.00 253.00 33.50 0.00 5355.00
1977 0.00 6.00 62.50 436.00 816.00 924.00 1164.05 a 877.00 661.00 263.50 50.50 0.00 5260.55
1978 0.00 0.00 65.50 190.50 566.50 847.76 a 1024.00 1007.00 853.50 321.00 88.50 0.00 4964.26
1979 0.00 0.00 17.50 212.50 474.50 829.00 1026.00 938.50 796.00 296.00 22.50 9.00 4621.50
1980 0.50 0.00 16.00 310.50 640.50 920.00 1103.00 1008.50 759.50 305.50 86.50 0.00 5150.50
1981 9.00 39.00 97.00 447.50 557.50 906.50 1122.50 986.50 726.00 324.00 121.00 0.00 5336.50
1982 0.00 4.00 27.50 236.50 637.50 720.50 1072.50 988.50 619.00 291.00 9.50 11.50 4618.00
1983 0.00 11.50 40.50 121.00 493.50 815.50 1143.00 1217.00 731.00 326.50 78.50 0.00 4978.00
1984 0.00 0.00 1.00 196.00 508.50 833.50 1029.50 1054.00 502.50 326.00 52.50 0.00 4503.50
1985 0.00 7.00 63.50 369.50 706.00 705.00 1003.50 869.50 571.00 270.00 16.50 0.00 4581.50
1986 0.00 0.00 111.50 250.50 623.00 891.50 1089.00 894.00 600.00 307.50 19.50 0.00 4786.50
1987 0.00 6.50 77.50 428.00 784.00 983.50 1153.00 891.50 689.50 212.00 84.50 3.50 5313.50
1988 0.00 0.00 90.50 278.50 737.00 1110.00 1165.50 1106.50 716.00 225.00 34.00 0.50 5463.50
1989 1.00 0.00 59.00 323.50 573.00 828.00 1139.00 1039.50 666.50 347.50 24.50 0.00 5001.50
1990 0.00 3.50 59.00 273.50 544.50 888.00 994.50 1043.50 854.50 305.00 85.00 1.50 5052.50
1991 0.00 1.50 63.00 304.00 651.50 1012.00 1064.50 1046.00 718.00 330.50 4.50 0.00 5195.50
1992 0.00 7.00 44.50 199.50 614.00 795.00 809.50 834.50 630.50 320.00 0.00 0.00 4254.50
1993 0.00 0.00 46.50 187.50 561.00 738.50 923.50 955.50 525.00 308.50 14.50 0.00 4260.50
1994 0.00 0.00 64.00 266.50 689.50 889.50 927.00 917.00 729.00 377.00 64.50 0.00 4924.00
1995 0.00 5.50 105.00 117.00 492.00 855.50 1045.50 1089.50 634.00 249.00 2.00 0.00 4595.00
1996 3.00 9.00 16.50 190.50 488.00 874.00 940.00 976.50 624.00 332.50 7.00 0.00 4461.00
1997 0.00 0.00 59.50 228.50 482.00 917.00 1070.00 971.00 757.50 415.00 7.50 0.00 4908.00
1998 5.50 25.50 61.50 273.50 701.00 749.00 1080.00 1043.50 881.00 350.50 44.50 28.00 5243.50
1999 0.00 23.00 68.50 271.00 605.00 819.00 1117.00 1018.50 591.00 294.50 126.50 5.50 4939.50
2000 0.00 55.50 150.50 268.50 656.17 a 826.00 1065.00 1057.50 733.00 429.00 36.72 a 0.00 5277.89
2001 0.00 0.00 0.00 280.50 662.00 855.00 1134.00 1069.00 717.86 b 321.50 199.00 0.00 a 5238.86
2002 4.00 15.00 10.00 309.50 495.00 990.00 1207.50 993.00 753.00 162.50 29.50 1.50 4970.50
2003 2.50 2.50 121.50 322.50 512.00 778.00 1060.00 1056.00 659.50 403.50 49.00 1.00 4968.00
2004 0.00 6.00 121.00 307.50 605.50 744.00 958.00 826.50 770.00 355.50 68.00 10.50 4772.50
2005 0.00 7.50 64.00 362.50 564.00 955.00 1114.00 1006.50 872.50 353.00 92.50 0.00 h 5391.50
2006 6.00 0.00 53.00 401.50 649.50 925.50 1200.50 1005.50 544.50 267.00 63.50 2.00 5118.50
2007 0.00 0.00 164.82 a 283.00 732.50 930.00 1132.00 1001.50 752.00 397.00 73.00 0.00 5465.82
2008 1.50 1.50 19.00 202.00 525.50 797.00 1052.50 980.50 725.00 302.00 68.50 0.00 a 4675.00
2009 0.00 0.50 82.00 249.00 618.00 810.50 897.50 879.00 729.00 137.00 106.00 0.00 4508.50
2010 0.00 0.00 83.00 434.00 597.00 890.19 d 1078.50 1094.00 642.00 413.50 14.00 z 0.00 z 5232.19
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 100.00 w 413.16 b 28.50 f 0.00 f 413.16
2012 7.23 a 0.00 a 306.90 a 349.04 d 625.88 b 752.50 f 1031.00 f 981.15 a 507.50 i 199.90 b 41.50 4.65 a 2516.25
2013 0.00 b 0.00 c 0.00 f 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 0.85 4.57 56.98 256.33 574.95 837.19 1048.60 988.36 672.72 331.02 47.67 2.09 4810.76
S.D. 1.96 9.23 54.39 94.29 108.51 101.88 101.45 88.90 94.78 88.88 35.00 6.17 380.21
SKEW 2.54 2.98 1.79 0.16 0.36 0.34 0.21 0.23 0.03 0.14 1.07 4.52 -0.08
MAX 9.30 55.50 306.90 500.17 968.50 1137.00 1391.50 1217.00 881.00 588.00 199.00 42.00 5697.50
MIN 0.00 0.00 0.00 40.00 281.50 604.00 809.50 786.88 394.00 108.50 0.00 0.00 3662.00
NO YRS 119 119 118 119 118 118 117 119 118 120 117 117 110