ABERDEEN RGNL AP, SOUTH DAKOTA

Monthly Total Growing Degree Days

(390020)

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 0.00 99.50 431.00 917.00 972.00 873.00 437.50 193.00 37.50 8.00 3968.50
1894 0.00 z 0.00 z 60.00 200.50 0.00 z 0.00 z 1096.50 987.00 426.50 196.50 18.00 21.50 3006.50
1895 0.00 b 13.50 28.50 394.50 547.50 701.50 869.50 915.50 667.50 235.00 14.00 0.00 4387.00
1896 0.00 13.00 11.50 159.00 513.50 799.50 1012.00 936.00 489.50 244.50 0.00 0.00 4178.50
1897 0.00 0.00 1.50 154.50 554.50 783.75 b 967.00 752.50 826.50 276.00 20.00 0.00 a 4336.25
1898 0.00 0.00 13.00 185.00 452.00 819.50 979.08 a 939.50 608.00 97.50 15.50 0.00 4109.08
1899 0.00 3.50 0.00 258.00 483.50 858.00 1072.50 982.00 558.00 127.50 14.50 0.00 4357.50
1900 16.50 0.00 25.00 357.50 716.00 885.00 1045.73 a 1085.50 654.00 115.50 1.50 1.00 4903.23
1901 0.00 0.50 33.58 a 234.50 667.50 776.50 1156.00 967.50 486.00 248.50 10.00 0.00 4580.58
1902 0.50 0.00 44.50 172.50 602.50 630.50 982.00 858.50 469.50 218.50 44.00 m 0.00 3979.00
1903 0.00 a 0.00 19.50 166.50 641.50 823.00 957.00 887.50 549.31 a 356.50 a 71.50 0.00 4472.31
1904 0.00 0.00 3.00 100.00 535.50 732.00 841.50 812.50 558.00 346.00 89.00 0.00 a 4017.50
1905 0.00 1.00 104.00 168.50 407.00 687.50 852.50 938.00 674.00 201.00 67.50 0.00 4101.00
1906 0.00 a 0.00 17.50 288.00 460.00 726.50 923.50 864.50 724.00 287.02 b 19.00 n 0.00 4291.02
1907 0.00 a 0.00 60.50 42.50 247.50 721.50 901.50 895.00 448.00 208.00 21.00 0.00 3545.50
1908 0.00 0.00 a 11.00 284.00 445.50 712.00 943.00 779.00 763.50 217.52 a 72.00 0.00 4227.52
1909 0.00 0.00 a 4.28 b 0.00 z 393.04 c 796.50 889.00 1022.50 576.50 238.50 81.00 0.00 a 4001.31
1910 0.00 0.00 189.00 339.81 d 375.00 835.00 989.00 796.50 507.00 425.00 0.00 z 0.00 4456.31
1911 0.00 0.00 61.50 227.50 596.50 936.50 877.19 d 394.00 k 549.00 192.50 0.00 0.00 3440.69
1912 0.00 0.00 a 10.00 262.00 591.50 324.50 n 943.00 839.50 451.00 254.00 23.79 a 0.00 a 3374.79
1913 0.00 a 0.00 a 7.23 a 321.00 437.50 891.00 911.00 1059.00 653.79 a 195.82 a 33.50 5.50 4515.34
1914 0.00 0.00 23.50 229.00 538.50 784.50 1050.50 814.50 644.00 358.00 77.00 0.00 4519.50
1915 0.00 0.00 0.00 420.50 385.00 608.00 758.50 733.50 552.00 302.50 48.00 0.00 3808.00
1916 0.00 b 0.00 33.14 b 166.00 482.00 630.00 1127.00 813.00 492.50 153.89 c 45.00 0.00 a 3942.53
1917 0.00 0.00 7.00 47.00 419.00 648.00 1003.50 814.00 509.50 105.00 57.00 0.00 a 3610.00
1918 0.00 0.00 99.50 117.50 492.00 754.00 870.00 914.00 433.00 356.50 b 46.50 4.00 4087.00
1919 0.00 a 0.00 15.00 210.50 546.50 834.50 1017.00 939.00 711.50 188.00 0.00 c 0.00 4462.00
1920 0.00 0.00 30.50 55.50 533.20 a 736.50 924.00 914.00 707.50 425.98 b 6.50 0.00 4333.68
1921 2.00 22.00 56.00 285.50 577.00 1016.00 1089.00 977.50 637.50 302.50 7.00 10.50 4982.50
1922 0.00 0.00 12.50 247.00 667.50 894.00 991.00 1100.00 745.00 362.00 31.50 0.00 5050.50
1923 0.00 0.00 3.50 204.50 566.00 854.00 1093.00 860.00 714.50 287.50 81.50 0.00 a 4664.50
1924 0.00 a 4.50 0.00 196.00 349.50 665.00 921.00 886.50 550.50 454.00 18.00 5.00 4050.00
1925 0.00 0.00 104.37 a 371.00 541.00 758.00 959.50 1035.00 728.50 51.00 20.50 2.07 a 4570.93
1926 0.00 5.50 61.00 293.00 753.50 791.00 1017.50 920.00 552.50 325.50 a 11.50 0.00 4731.00
1927 0.00 0.50 28.00 212.00 397.50 749.00 974.20 d 887.50 706.50 330.00 3.00 f 0.00 b 4285.20
1928 2.67 b 0.00 a 76.47 a 135.00 709.90 a 731.00 1047.50 962.00 552.00 278.50 29.50 0.00 4524.54
1929 0.00 a 0.00 52.00 227.50 447.50 824.50 1095.50 1065.50 509.00 303.00 0.00 z 1.50 4526.00
1930 0.00 27.50 13.50 309.50 479.00 839.50 1196.27 c 1063.00 636.50 303.00 47.50 0.00 4915.27
1931 10.00 1.50 15.50 307.50 541.50 1021.00 1150.00 982.00 848.00 402.50 88.00 0.00 5367.50
1932 0.00 4.14 a 16.00 308.00 665.00 952.50 1120.00 1031.00 656.50 203.00 22.00 3.50 4981.64
1933 0.00 5.00 43.00 227.50 556.97 a 1169.50 1156.00 1013.00 807.50 245.50 17.50 0.52 a 5241.98
1934 0.00 2.00 43.50 214.00 900.00 958.00 1125.00 1006.50 511.50 417.50 58.97 a 0.00 5236.97
1935 0.00 4.50 48.00 180.50 436.00 755.00 1199.00 993.55 a 706.55 a 235.50 0.00 0.00 a 4558.60
1936 0.00 0.00 19.00 159.00 748.00 924.00 1390.00 1107.00 772.00 255.00 19.66 a 0.00 b 5393.66
1937 0.00 0.00 8.50 178.00 662.88 a 812.50 1136.50 1184.00 684.00 278.50 43.00 0.00 4987.88
1938 0.00 0.00 82.48 c 285.50 469.50 808.45 a 1036.43 a 1116.00 690.52 a 457.00 17.50 0.00 4963.38
1939 0.00 0.00 95.00 201.00 734.91 b 787.00 1067.43 a 790.00 g 668.50 237.50 13.50 17.00 3821.85
1940 0.00 0.00 0.00 119.00 512.00 759.50 1066.50 888.50 723.50 390.00 17.50 0.00 e 4476.50
1941 0.00 0.00 12.00 268.50 666.00 797.14 b 1058.50 1005.50 621.50 264.50 23.50 14.00 4731.14
1942 1.50 0.00 9.00 316.55 a 373.50 699.00 921.00 906.50 473.50 365.00 36.00 0.00 4101.55
1943 0.00 0.00 56.00 305.50 455.50 763.50 1080.50 981.50 569.00 367.50 2.50 0.00 4581.50
1944 4.00 0.00 0.00 121.50 713.50 777.00 961.50 916.50 599.50 324.50 25.00 0.00 4443.00
1945 0.00 0.00 133.50 144.00 370.50 587.50 948.50 962.00 566.50 274.00 9.00 0.00 3995.50
1946 0.00 0.00 145.00 368.50 440.50 822.50 1030.00 861.50 584.50 182.00 6.00 0.00 4440.50
1947 3.50 0.00 13.50 123.00 396.00 713.00 996.00 1140.50 638.00 495.00 22.00 0.00 4540.50
1948 0.00 0.00 a 14.50 295.50 517.00 712.50 1006.50 941.00 755.00 241.00 34.50 0.00 4517.50
1949 0.00 0.00 1.50 242.50 583.00 816.00 1022.00 1043.50 491.00 243.00 63.00 0.00 4505.50
1950 0.00 0.00 5.50 63.00 408.00 766.00 842.50 792.00 555.00 286.50 13.00 0.00 3731.50
1951 0.00 4.00 0.00 133.00 540.50 580.50 904.00 818.50 457.50 214.50 7.00 1.00 3660.50
1952 0.00 0.00 0.00 a 298.00 497.50 851.50 961.00 905.50 696.50 167.00 22.50 0.00 4399.50
1953 0.00 0.00 24.50 74.50 454.00 785.00 925.00 981.00 588.00 424.50 64.00 0.00 4320.50
1954 0.00 5.00 2.50 201.43 b 362.00 730.00 1042.50 915.50 561.00 197.00 64.50 0.00 4081.43
1955 0.00 0.00 17.50 364.50 668.50 723.00 1112.00 1017.50 590.50 291.50 6.50 0.00 4791.50
1956 0.00 0.00 8.00 45.00 496.00 943.50 903.50 883.00 520.00 338.00 26.50 3.50 4167.00
1957 0.00 0.00 6.50 222.00 435.00 700.50 1108.50 927.50 511.00 268.00 4.50 0.00 4183.50
1958 0.00 22.50 16.00 159.50 581.50 609.00 862.00 975.50 643.00 277.50 33.50 0.00 4180.00
1959 0.00 0.00 26.50 189.50 475.00 906.50 1006.50 1059.50 586.50 125.50 0.00 0.00 4375.50
1960 0.00 0.00 0.00 178.00 496.50 697.00 1032.50 876.50 502.00 251.00 13.00 0.00 4046.50
1961 0.00 0.00 35.50 81.00 401.00 838.50 957.50 1043.00 478.50 267.00 17.50 0.00 4119.50
1962 0.00 0.00 0.00 216.50 578.00 761.00 844.50 939.50 519.50 335.00 29.00 7.50 4230.50
1963 0.50 0.00 120.00 190.00 485.50 885.50 1036.50 964.50 670.00 500.50 26.00 0.00 4879.00
1964 0.00 0.00 4.50 235.00 572.50 802.00 1087.50 816.00 502.00 246.00 36.00 0.00 4301.50
1965 0.00 0.00 0.00 158.00 503.50 752.50 982.50 912.50 299.00 317.50 25.00 0.00 3950.50
1966 0.00 0.00 72.00 82.50 432.50 811.50 1126.50 823.50 569.00 229.00 6.00 0.00 4152.50
1967 0.00 0.00 79.00 157.00 422.00 725.50 905.50 866.50 650.00 238.50 11.00 0.00 4055.00
1968 0.00 0.00 106.00 169.00 353.00 748.00 926.00 873.50 566.00 226.50 12.50 0.00 3980.50
1969 0.00 0.00 0.00 242.00 541.50 595.00 930.00 1027.00 693.50 140.50 31.00 1.50 4202.00
1970 0.00 0.00 0.00 123.00 518.00 845.00 1008.50 993.50 683.50 276.00 2.50 0.00 4450.00
1971 0.00 0.00 30.00 285.00 483.00 910.00 873.50 1021.50 591.00 301.50 12.50 0.00 4508.00
1972 0.00 0.00 17.00 175.50 640.50 815.50 915.00 978.50 609.50 198.00 3.50 0.00 4353.00
1973 0.00 0.00 48.00 204.50 541.00 844.50 1018.00 1102.00 536.50 337.00 6.50 0.00 4638.00
1974 0.00 0.00 15.50 208.00 430.00 769.00 1158.50 869.50 521.50 327.50 18.00 0.00 4317.50
1975 0.00 0.00 20.50 122.50 612.00 841.50 1186.50 1001.50 566.50 375.00 117.50 0.00 4843.50
1976 0.00 11.00 55.00 292.50 530.50 896.50 1084.50 1111.50 663.50 208.50 21.00 0.00 4874.50
1977 0.00 4.00 38.50 379.00 771.00 829.00 1056.00 795.50 588.00 205.00 41.50 0.00 4707.50
1978 0.00 0.00 32.50 125.50 562.00 766.50 933.00 951.00 753.00 237.50 50.00 0.00 4411.00
1979 0.00 0.00 0.00 135.50 395.50 757.00 943.00 876.50 694.50 221.00 7.00 1.00 4031.00
1980 0.00 0.00 8.50 304.00 604.00 809.50 1018.00 895.00 585.50 212.50 56.00 0.00 4493.00
1981 2.00 21.00 37.50 303.50 505.50 757.50 1066.00 996.00 676.00 297.00 92.00 0.00 b 4754.00
1982 0.00 c 1.75 d 6.20 a 197.07 a 534.48 b 662.00 1058.50 971.50 590.00 220.00 7.00 5.50 4254.00
1983 0.00 4.50 22.50 102.50 419.00 754.00 1091.00 1131.50 623.50 231.00 50.00 0.00 4429.50
1984 0.00 4.50 5.50 209.50 447.00 767.50 968.00 1012.50 468.50 316.50 29.50 0.00 4229.00
1985 0.00 2.00 53.00 322.50 657.50 639.00 1010.50 845.50 495.00 191.50 11.50 0.00 4228.00
1986 0.00 0.00 87.50 176.50 545.50 838.00 1007.00 811.50 501.00 254.00 4.50 0.00 4225.50
1987 2.00 1.50 36.50 360.50 692.00 877.50 1106.50 860.00 632.50 160.50 55.50 0.00 4785.00
1988 0.00 1.50 32.00 188.00 726.50 1048.50 1127.00 1018.00 577.00 183.50 13.50 0.00 4915.50
1989 0.00 0.00 9.50 206.50 539.50 739.00 1094.00 991.00 595.00 251.00 10.00 0.00 4435.50
1990 1.00 0.00 48.00 205.50 463.00 784.00 920.50 958.00 708.50 200.00 42.50 0.50 4331.50
1991 0.00 2.50 36.50 264.50 649.50 923.00 997.50 1011.50 608.50 251.50 4.50 0.00 4749.50
1992 0.00 7.00 34.00 198.50 603.50 711.50 751.50 753.50 555.00 250.50 0.00 0.00 3865.00
1993 0.00 0.00 44.50 161.50 544.50 687.50 886.50 937.00 482.00 220.00 9.00 0.00 3972.50
1994 0.00 0.00 33.00 223.50 728.50 908.00 908.00 797.00 646.00 299.50 39.00 0.00 4582.50
1995 0.00 0.00 34.00 64.00 427.50 844.00 951.50 979.50 534.50 190.00 6.50 0.00 4031.50
1996 0.00 0.00 0.00 98.50 420.50 806.00 860.50 934.00 557.00 213.00 0.50 0.00 3890.00
1997 0.00 0.00 6.50 143.00 408.50 842.00 963.00 881.50 651.50 314.50 3.00 0.00 4213.50
1998 0.00 7.00 15.50 242.50 618.50 686.00 1020.50 969.50 729.50 260.50 12.00 6.50 4568.00
1999 0.00 b 7.00 52.00 209.50 552.50 783.00 1002.50 921.73 a 481.50 201.50 67.00 2.00 4280.23
2000 0.00 a 12.50 79.00 167.00 561.50 757.00 964.50 916.50 583.00 305.50 20.00 0.00 a 4366.50
2001 0.00 0.00 0.00 193.50 591.00 805.00 1060.00 972.50 626.00 203.50 119.00 0.00 4570.50
2002 0.00 1.00 3.50 161.00 358.00 905.69 a 1077.00 862.50 628.00 72.00 11.00 0.00 4079.69
2003 0.00 0.00 59.00 244.50 455.50 751.00 975.50 988.50 548.50 334.00 13.50 0.00 4370.00
2004 0.00 0.50 66.50 205.00 446.00 657.50 895.50 724.00 665.50 251.50 27.50 0.00 3939.50
2005 0.00 0.00 38.00 268.50 458.50 868.50 1013.50 874.00 711.50 262.00 46.50 0.00 4541.00
2006 0.00 0.00 33.00 302.00 542.50 829.50 1098.50 957.00 487.00 186.50 46.00 0.00 4482.00
2007 0.00 0.00 76.00 230.50 631.50 867.50 1051.00 879.00 611.00 284.50 28.50 0.00 4659.50
2008 0.00 0.00 3.00 125.00 445.00 724.00 1000.50 929.00 590.00 0.00 z 52.00 0.00 3868.50
2009 0.00 0.00 39.00 175.50 499.00 697.50 849.50 801.50 680.00 82.00 49.00 0.00 3873.00
2010 0.00 0.00 47.50 328.50 502.00 816.50 1009.50 1036.00 536.00 313.50 54.00 0.00 4643.50
2011 0.00 0.00 0.00 133.50 455.50 793.00 1131.50 955.00 571.00 345.50 23.00 0.00 4408.00
2012 3.50 0.00 254.50 278.50 584.50 894.50 1139.00 860.00 575.00 178.50 5.00 0.00 4773.00
2013 0.00 0.00 0.00 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 0.00
Period of Record Statistics
MEAN 0.41 1.91 34.38 210.19 525.47 792.43 1004.45 936.61 597.53 262.23 29.34 1.03 4402.74
S.D. 1.87 4.83 40.21 83.69 110.31 98.67 99.97 94.27 95.72 85.79 26.00 3.22 372.65
SKEW 6.69 3.40 2.35 0.19 0.53 0.51 0.31 0.10 0.08 0.31 1.23 4.20 0.28
MAX 16.50 27.50 254.50 420.50 900.00 1169.50 1390.00 1184.00 848.00 500.50 119.00 21.50 5393.66
MIN 0.00 0.00 0.00 42.50 247.50 580.50 751.50 724.00 299.00 51.00 0.00 0.00 3545.50
NO YRS 120 120 121 119 119 118 120 118 120 119 115 120 109