WENTWORTH 2 WNW, SOUTH DAKOTA

Monthly Total Growing Degree Days

(399042)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200609
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 z 59.50 401.00 869.00 957.50 845.86 c 0.00 z 188.58 a 53.00 0.00 3374.44
1894 0.00 0.00 37.72 a 207.00 548.70 a 863.00 1024.11 c 947.57 a 0.00 z 0.00 z 0.00 z 1.50 r 3628.09
1895 0.00 12.00 47.50 420.00 528.00 718.00 901.50 913.00 730.00 216.00 34.00 0.00 4520.00
1896 0.00 15.50 5.50 284.00 641.00 772.50 907.50 900.00 498.00 188.00 0.00 a 0.00 4212.00
1897 0.00 0.00 15.00 179.50 484.00 732.00 1004.50 750.00 813.00 344.32 c 38.04 b 0.00 a 4360.36
1898 0.00 0.00 26.87 a 202.50 467.58 a 807.50 925.00 946.50 669.11 b 142.00 20.50 0.00 a 4207.56
1899 0.00 a 4.00 0.00 232.50 507.00 783.00 934.65 a 943.00 536.90 a 265.57 a 46.03 a 0.50 m 4252.65
1900 0.00 o 0.00 a 6.95 b 94.00 p 366.50 o 818.79 a 925.00 1078.50 615.50 517.70 a 32.59 a 1.55 a 3996.58
1901 0.00 0.00 b 28.86 b 268.45 a 543.61 c 783.50 1156.00 985.50 585.52 a 341.52 a 17.07 a 0.00 4710.02
1902 4.13 a 3.50 93.00 a 182.50 616.00 646.03 a 989.50 858.50 530.50 323.50 29.00 0.00 a 4276.17
1903 0.00 0.00 31.00 206.50 526.47 b 692.00 883.00 817.50 514.00 341.00 48.21 b 0.00 4059.68
1904 0.00 0.00 13.00 115.50 527.00 652.00 844.00 875.00 649.00 363.50 139.00 3.00 4181.00
1905 0.00 1.50 124.00 194.50 418.50 763.00 890.00 1036.00 752.00 255.50 52.00 0.00 4487.00
1906 0.00 15.00 3.50 286.55 a 540.00 712.00 887.63 a 953.50 713.50 265.00 35.00 0.00 4411.69
1907 0.00 1.50 75.50 46.03 a 266.50 701.50 926.90 a 900.07 b 565.50 289.33 a 28.50 0.00 f 3801.34
1908 0.00 a 0.00 29.00 295.50 310.50 f 698.50 917.00 833.50 800.17 a 250.07 a 68.50 0.00 3892.24
1909 0.00 0.00 6.50 71.90 a 491.00 786.72 a 918.12 a 1043.00 630.50 279.52 a 102.00 0.00 4329.25
1910 0.00 a 0.00 250.58 a 346.55 a 393.18 a 597.00 g 980.93 c 852.50 a 586.50 450.50 0.00 z 0.00 a 3860.75
1911 0.00 a 0.00 a 95.00 206.50 689.48 b 993.50 964.00 828.00 602.00 186.50 0.00 0.00 4564.98
1912 0.00 0.00 11.00 241.00 531.00 681.11 c 933.00 842.00 510.00 303.28 a 52.76 a 0.00 a 4105.15
1913 0.52 a 3.00 27.00 210.00 d 448.47 a 849.31 a 924.32 a 970.82 a 631.00 250.50 65.36 b 7.50 4387.78
1914 0.00 0.00 z 21.00 241.00 557.50 809.00 1062.00 888.50 632.00 406.10 a 94.14 a 0.00 a 4711.24
1915 0.00 0.00 0.00 443.57 b 0.00 z 632.50 802.00 762.50 570.50 357.50 80.50 0.00 3649.07
1916 0.00 0.00 a 29.34 c 156.50 526.00 653.50 1156.50 946.50 591.50 260.83 b 50.69 a 7.75 a 4379.11
1917 0.00 b 0.00 10.69 b 74.00 421.60 a 696.00 1012.00 872.00 587.50 132.02 b 111.00 0.00 z 3916.81
1918 0.00 b 4.50 126.00 103.45 a 592.50 811.00 910.00 938.00 461.50 373.00 58.00 1.00 4378.95
1919 1.00 0.00 36.68 a 151.55 a 463.97 a 815.50 993.00 876.50 663.50 172.50 6.00 0.00 4180.20
1920 0.00 0.00 52.81 d 33.50 497.00 769.00 903.17 e 859.00 701.90 a 490.00 5.50 0.00 4311.88
1921 0.00 15.50 80.00 278.28 a 543.50 977.59 a 1040.00 885.00 645.00 336.50 20.50 8.27 a 4830.13
1922 0.00 b 0.00 a 11.50 195.00 597.55 b 872.59 a 882.47 a 669.00 j 732.32 b 376.13 a 45.00 a 0.00 e 3712.56
1923 0.00 b 0.00 14.47 a 197.07 a 472.75 c 806.38 a 1024.55 a 842.68 a 658.50 256.04 d 54.50 2.50 4329.44
1924 0.00 3.50 0.00 a 187.50 326.02 a 672.50 885.57 a 898.00 492.00 411.78 a 33.00 0.00 e 3909.87
1925 0.00 c 0.00 52.00 f 81.00 w 239.50 t 761.67 c 938.50 971.33 a 749.50 74.83 b 12.50 0.00 a 3508.33
1926 0.00 d 1.50 42.37 a 229.29 b 681.43 d 724.00 981.00 904.54 c 459.23 d 247.00 17.07 a 0.00 4287.41
1927 0.00 0.50 23.00 179.50 380.50 690.50 839.00 799.05 b 664.00 0.00 z 4.00 j 0.00 3576.05
1928 0.50 0.00 b 83.50 104.00 600.50 622.50 949.12 a 928.00 543.75 b 275.00 24.00 0.00 4130.87
1929 0.00 a 0.00 a 42.76 b 190.71 b 415.83 b 711.72 a 962.60 b 927.62 e 474.31 a 268.84 b 1.07 b 0.00 b 3995.47
1930 0.00 b 29.08 b 31.00 b 240.00 449.00 716.67 c 490.50 q 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1465.74
1931 0.00 z 0.00 z 12.00 g 287.50 451.05 a 1000.71 b 1062.50 934.81 b 822.22 c 373.07 b 0.00 z 0.00 e 4931.87
1932 0.00 a 0.00 z 8.55 b 184.14 a 413.00 h 613.50 i 1029.00 916.00 520.00 c 190.50 g 14.00 h 0.00 j 2657.69
1933 0.00 1.56 a 28.00 f 157.24 a 446.83 b 1048.50 0.00 z 0.00 z 390.50 l 223.09 c 0.00 z 0.00 d 1877.21
1934 3.32 c 3.50 33.30 d 90.00 m 759.50 f 922.50 1069.00 930.00 0.00 z 276.00 i 68.00 f 0.00 n 2961.62
1935 0.00 a 0.00 z 35.50 k 161.38 a 237.00 l 696.00 1203.12 b 0.00 z 0.00 z 0.00 z 0.00 p 0.00 2060.50
1936 0.00 a 0.00 c 30.00 155.17 a 741.50 830.50 1316.50 1138.22 a 0.00 z 298.00 23.00 0.00 4532.89
1937 0.00 j 0.00 16.53 a 199.82 b 643.50 779.50 1106.50 1145.45 a 720.00 284.00 78.00 0.00 4973.30
1938 0.00 0.00 92.50 326.38 a 512.53 a 838.00 0.00 z 0.00 z 0.00 z 71.00 y 48.00 i 0.00 a 1769.41
1939 0.00 0.00 120.50 248.00 800.50 890.50 1129.50 971.00 606.50 g 130.00 k 47.68 b 33.00 4240.68
1940 0.00 0.00 6.00 132.00 537.50 848.50 1139.50 890.50 774.31 a 491.00 33.00 0.00 4852.31
1941 0.00 0.00 10.00 302.50 710.00 827.00 1036.00 1048.50 689.50 362.50 55.50 24.50 5066.00
1942 0.00 d 0.00 31.00 389.00 435.00 787.00 984.50 918.00 497.50 355.50 41.00 0.00 4438.50
1943 0.00 3.00 78.00 224.50 424.00 803.00 1029.50 946.00 506.00 303.00 5.50 0.00 4322.50
1944 8.00 0.00 0.00 89.50 706.00 816.50 933.50 879.00 594.50 309.00 47.00 0.00 4383.00
1945 0.00 0.00 133.00 152.00 378.50 580.50 927.50 926.50 549.00 304.00 23.00 0.00 3974.00
1946 0.00 0.00 170.00 391.00 458.00 810.00 a 976.00 820.50 553.00 256.50 7.50 0.00 4442.50
1947 3.50 0.00 19.00 118.00 402.50 686.50 941.07 c 1124.50 674.50 495.48 a 27.50 0.00 4492.55
1948 0.00 0.00 37.50 342.50 512.50 720.50 978.00 953.50 792.50 294.50 53.50 0.00 4685.00
1949 0.00 0.00 2.00 252.00 672.50 888.50 1081.50 1029.00 525.00 333.00 105.00 0.00 4888.50
1950 0.00 a 0.00 9.50 96.50 413.69 b 827.50 863.00 850.50 638.00 388.00 31.00 0.00 4117.69
1951 0.00 a 4.50 0.00 113.00 562.50 631.00 920.00 869.00 459.83 a 281.00 7.50 g 2.00 3842.83
1952 0.00 0.00 0.00 290.50 552.00 909.50 328.50 v 383.50 r 693.62 a 227.50 54.31 a 0.00 2727.43
1953 0.00 a 0.00 30.00 76.00 515.12 a 881.38 a 990.97 a 1008.65 d 515.50 f 483.00 98.50 0.00 a 4083.61
1954 0.00 13.50 3.50 304.50 423.00 857.88 d 1063.50 903.50 592.76 a 193.00 105.00 0.00 4460.14
1955 0.00 a 0.00 33.50 429.11 b 711.00 740.50 1143.50 1088.50 648.50 353.00 11.00 0.00 a 5158.61
1956 0.00 a 0.00 a 6.00 85.34 a 579.70 a 1007.07 a 917.00 923.50 641.67 c 506.69 b 37.24 a 0.00 4704.21
1957 0.00 0.00 7.00 179.50 f 475.50 762.00 1142.50 940.00 563.00 282.50 18.00 0.00 4190.50
1958 0.00 22.30 a 10.00 212.59 a 655.81 b 697.00 894.50 1026.50 727.00 404.00 71.00 0.00 4720.69
1959 0.00 0.00 c 40.50 242.00 582.00 940.50 1026.00 1076.00 629.00 177.50 7.50 5.00 4726.00
1960 0.00 0.00 1.03 a 231.50 540.00 747.50 1040.00 973.00 641.50 352.00 45.50 0.00 4572.03
1961 0.00 0.00 35.00 110.69 a 447.00 851.00 942.00 1014.50 573.50 337.50 18.50 0.00 4329.69
1962 0.00 2.50 0.00 223.50 662.00 763.97 a 895.50 930.00 541.00 380.00 48.00 30.50 4476.97
1963 0.50 2.50 138.50 291.00 555.93 a 926.50 1033.85 a 944.98 a 720.00 583.50 55.00 2.21 c 5254.48
1964 0.00 0.00 2.00 259.50 659.50 874.50 1105.00 835.50 582.00 304.83 a 100.00 0.00 4722.83
1965 0.00 0.00 1.50 195.50 618.00 799.50 972.00 920.00 362.50 390.50 54.50 0.00 4314.00
1966 0.00 0.00 119.00 103.50 505.50 837.50 1130.50 849.50 581.50 297.50 18.00 0.00 4442.50
1967 0.00 0.00 129.50 218.50 463.50 769.00 938.00 890.50 608.50 304.50 26.00 0.00 4348.00
1968 0.00 0.00 186.00 265.00 410.50 875.50 959.00 993.50 604.50 321.50 34.50 2.50 4652.50
1969 0.00 0.00 0.00 253.50 631.50 646.00 1018.50 996.00 682.00 181.50 48.00 1.00 4458.00
1970 0.00 0.00 0.00 190.00 631.00 889.00 1047.50 995.50 683.00 278.50 5.50 0.50 4720.50
1971 0.00 0.00 41.00 285.50 489.50 944.00 898.50 1006.50 649.50 385.50 37.24 a 0.00 4737.24
1972 0.00 0.00 19.00 152.50 620.00 818.00 949.00 943.00 604.50 240.50 17.50 1.00 4365.00
1973 0.00 0.00 53.50 208.50 542.50 856.50 1009.50 1082.50 599.00 439.50 33.50 0.50 4825.50
1974 7.00 3.00 38.75 a 281.50 484.50 782.00 1142.50 847.50 563.00 381.50 35.00 0.00 4566.25
1975 0.00 0.00 10.50 113.50 636.50 811.50 1106.00 959.50 524.00 391.00 135.00 0.00 4687.50
1976 0.00 15.50 94.50 352.50 539.00 919.00 1115.00 1068.50 697.50 229.50 17.50 0.00 5048.50
1977 0.00 1.00 56.50 434.00 805.50 893.00 1116.50 0.00 z 655.50 248.50 56.00 0.00 4266.50
1978 0.00 0.00 60.50 178.50 575.50 842.50 991.00 980.50 826.50 313.50 90.50 0.00 4859.00
1979 0.00 0.00 0.00 159.00 469.00 810.00 982.00 883.50 a 728.00 258.00 29.50 5.50 4324.50
1980 2.50 0.00 16.50 298.97 a 627.50 863.00 1029.50 948.50 703.00 281.50 63.50 0.00 4834.47
1981 6.00 38.50 83.50 417.00 561.50 873.50 1033.50 950.00 696.00 281.50 115.00 0.00 5056.00
1982 0.00 7.50 14.00 246.50 640.50 706.00 1055.50 962.50 623.00 293.00 11.50 10.50 4570.50
1983 0.00 2.00 43.00 114.00 488.50 794.00 1138.50 1167.50 699.00 298.00 68.50 0.00 4813.00
1984 0.00 0.00 0.00 180.00 513.00 854.00 999.50 1034.00 509.50 328.00 55.50 3.50 4477.00
1985 0.00 2.50 49.50 392.50 714.00 738.50 976.50 829.00 547.00 257.00 17.50 0.00 4524.00
1986 0.00 0.00 106.50 258.50 635.50 895.50 1057.00 849.00 590.00 317.00 13.50 0.00 4722.50
1987 7.00 8.00 76.50 444.00 766.50 935.00 1079.50 867.50 658.00 203.50 93.00 0.00 5138.50
1988 0.00 0.00 63.50 258.00 759.50 1046.00 1097.50 1014.50 691.50 209.00 29.00 0.00 5168.50
1989 0.00 0.00 58.00 286.00 573.50 807.00 1075.00 970.50 622.00 340.00 7.00 0.00 4739.00
1990 0.00 6.00 57.50 260.00 509.00 856.50 0.00 z 939.50 755.50 258.00 85.50 5.50 3733.00
1991 0.00 9.00 62.50 294.50 639.00 966.50 973.50 954.50 638.50 294.00 5.50 0.00 4837.50
1992 0.00 5.00 59.00 184.50 612.50 752.50 746.00 761.00 587.50 275.50 0.00 0.00 3983.50
1993 0.00 0.00 17.00 140.00 526.50 717.00 915.00 918.00 488.50 260.50 9.00 0.00 3991.50
1994 0.00 0.00 58.00 230.50 676.50 857.50 869.00 843.50 695.00 361.50 52.00 0.00 4643.50
1995 0.00 0.00 90.50 85.00 449.00 837.50 998.00 1032.00 589.00 250.00 0.00 0.50 4331.50
1996 1.50 7.00 22.50 144.50 453.50 864.50 899.50 909.00 564.50 320.50 16.00 0.00 4203.00
1997 0.00 0.00 26.00 175.50 430.00 879.00 997.50 918.50 721.00 377.50 7.00 0.50 4532.50
1998 3.00 19.50 56.00 271.00 744.00 724.50 988.00 965.50 798.00 332.50 46.50 25.00 4973.50
1999 0.00 10.50 59.00 224.00 608.50 826.00 1082.00 944.00 591.50 299.00 145.50 5.00 4795.00
2000 0.00 53.50 146.50 226.00 641.00 792.50 972.00 971.00 661.00 375.00 40.50 0.00 4879.00
2001 0.00 0.00 0.00 257.50 605.50 839.50 1072.00 1000.00 644.00 301.00 219.00 0.00 4938.50
2002 6.00 11.50 2.00 266.00 455.00 954.50 1135.50 918.50 697.50 137.50 27.50 0.50 4612.00
2003 3.50 0.00 93.50 298.50 495.00 778.50 1002.00 992.50 612.50 395.00 32.00 0.00 4703.00
2004 0.00 0.00 96.50 297.00 531.00 730.00 911.50 770.00 725.50 325.50 75.50 5.50 4468.00
2005 0.00 12.50 52.00 356.50 546.00 940.50 1069.00 942.00 811.50 352.50 88.00 0.00 5170.50
2006 2.50 0.00 39.50 383.00 652.50 904.00 1132.00 28.50 z 0.00 z 0.00 z 0.00 z 0.00 z 3113.50
Period of Record Statistics
MEAN 0.54 3.42 44.92 224.73 547.08 807.89 997.58 935.51 628.34 309.73 45.93 1.85 4545.11
S.D. 1.59 7.96 46.54 94.21 106.14 96.61 93.73 84.15 93.04 88.18 37.53 5.66 315.69
SKEW 3.19 3.72 1.59 0.32 0.22 0.13 0.34 0.34 -0.01 0.34 1.54 4.15 0.18
MAX 8.00 53.50 250.58 444.00 805.50 1048.50 1316.50 1167.50 826.50 583.50 219.00 33.00 5254.48
MIN 0.00 0.00 0.00 33.50 266.50 580.50 746.00 750.00 362.50 74.83 0.00 0.00 3909.87
NO YRS 111 110 109 110 107 112 109 106 103 105 102 106 84