ACADEMY 2NE, SOUTH DAKOTA

Monthly Total Growing Degree Days

(390043)

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
1898 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 746.00 242.00 52.00 12.50 1052.50
1899 11.50 15.00 6.20 a 288.00 535.00 872.50 1084.50 1025.00 674.00 309.00 126.50 5.50 4952.70
1900 20.50 0.00 82.00 387.00 764.67 a 975.52 a 1053.00 1160.00 695.17 a 484.00 41.00 11.50 5674.36
1901 18.00 4.00 61.00 322.00 665.50 864.50 1276.00 1049.50 621.00 436.00 69.50 2.50 5389.50
1902 7.50 10.50 75.50 223.50 657.50 731.00 1072.08 a 904.00 613.45 a 367.50 62.50 0.00 4725.03
1903 0.00 0.00 50.50 281.00 607.00 775.00 1012.00 930.52 a 588.00 445.50 74.50 0.00 4764.02
1904 0.00 b 0.00 20.00 165.00 a 613.80 a 799.00 981.50 983.73 a 695.89 b 460.50 166.55 a 18.00 4903.98
1905 0.00 a 23.33 a 178.50 226.50 435.00 782.50 919.50 1072.08 a 800.00 282.50 123.00 10.50 4853.42
1906 1.03 a 21.00 1.50 348.00 606.00 769.50 983.00 982.50 734.00 372.52 a 58.97 a 0.00 4878.02
1907 0.00 15.50 147.00 f 112.50 383.00 790.00 1014.00 1039.00 619.00 397.32 a 72.50 9.00 4451.82
1908 9.30 a 7.00 77.50 182.00 j 486.70 a 745.00 1014.50 920.50 911.50 332.50 121.50 1.50 4627.50
1909 0.50 12.00 8.00 130.50 539.00 860.50 1063.00 1151.50 718.39 b 383.37 a 128.00 0.00 4994.76
1910 0.00 0.00 362.91 b 434.50 471.95 b 897.93 a 1091.00 934.00 702.00 567.30 a 32.00 0.00 5493.59
1911 6.00 0.00 170.50 287.50 676.00 1050.00 1025.50 914.00 741.00 256.50 1.50 0.50 5129.00
1912 0.00 1.50 20.50 343.50 621.50 817.50 1022.00 924.00 545.00 417.00 111.00 6.50 4830.00
1913 11.50 29.00 41.00 362.00 533.50 1005.50 1013.00 1142.50 765.50 356.50 156.00 5.00 5421.00
1914 26.50 0.00 43.00 276.72 a 628.00 929.50 1200.22 a 1000.50 762.50 452.50 167.50 0.50 5487.44
1915 0.00 0.00 0.00 a 481.50 461.00 715.00 844.50 820.50 631.50 482.00 117.00 7.50 4560.50
1916 0.00 18.00 100.00 237.50 584.87 a 713.50 1270.50 1042.00 687.50 302.25 a 120.50 31.00 5107.62
1917 5.00 0.00 32.50 119.50 462.50 756.50 1098.00 919.00 675.00 219.58 a 168.50 6.00 4462.08
1918 0.00 21.50 205.50 188.50 657.50 939.50 998.95 b 1040.00 555.50 460.50 62.59 a 20.50 5150.53
1919 9.00 0.00 a 71.50 225.50 568.50 883.00 1155.50 1028.50 791.50 231.00 25.50 1.50 4991.00
1920 0.00 0.50 89.00 59.00 569.50 832.50 1026.50 929.50 757.00 483.50 12.00 11.00 4770.00
1921 0.00 50.50 144.00 333.00 606.50 1016.00 1151.50 976.50 708.50 383.00 37.00 32.00 5438.50
1922 0.00 0.00 58.00 260.00 612.50 900.50 976.00 1093.50 838.50 420.00 59.00 1.50 5219.50
1923 9.00 0.00 26.00 257.50 526.00 839.50 1148.00 916.50 743.00 347.50 106.55 a 17.50 4937.05
1924 3.00 21.50 4.00 270.00 376.00 700.00 954.00 1007.00 631.00 521.50 75.50 11.00 4574.50
1925 0.00 11.00 106.50 351.50 440.00 767.00 1026.00 1112.50 827.50 165.00 72.00 20.00 4899.00
1926 0.00 22.00 87.00 379.00 854.50 888.50 1148.00 1110.00 695.00 402.00 38.50 2.58 a 5627.08
1927 17.00 36.00 53.98 b 292.00 494.50 802.50 1005.00 928.00 785.00 502.50 47.50 0.00 4963.98
1928 23.00 15.00 119.50 178.50 700.50 724.14 a 1099.50 1106.50 677.00 405.50 53.00 10.00 5112.14
1929 0.00 0.00 102.00 296.50 531.50 808.39 b 1144.42 a 1124.00 585.00 384.50 12.50 8.00 4996.81
1930 0.00 88.67 a 53.00 369.50 507.00 831.00 1245.50 1106.50 739.50 352.50 104.00 10.00 5407.17
1931 34.00 21.00 42.50 311.50 521.00 1102.00 1204.50 1112.50 914.50 464.00 134.00 6.00 5867.50
1932 0.00 66.00 36.50 f 0.00 z 703.18 a 899.00 1169.22 a 1111.50 733.00 266.60 a 132.00 19.50 5100.00
1933 14.50 17.50 105.50 272.50 516.50 1255.18 b 1257.50 997.50 903.50 415.50 117.00 17.00 5889.68
1934 25.12 b 27.50 115.00 351.50 1005.00 1011.00 1279.50 1082.00 570.50 455.50 107.00 2.00 6031.62
1935 21.00 28.00 98.50 211.50 389.00 751.50 1314.00 1098.50 783.00 249.11 c 14.50 3.50 4962.11
1936 0.00 0.00 42.50 257.50 749.00 959.48 a 1449.50 1219.00 790.50 379.20 c 0.00 z 5.54 c 5852.21
1937 0.00 0.00 37.50 181.00 642.50 874.00 1205.00 1257.50 767.00 383.50 101.00 5.00 5454.00
1938 3.00 5.00 125.50 307.24 a 507.50 931.50 1173.50 1196.00 847.00 581.52 b 21.00 p 6.00 5683.76
1939 11.37 a 0.00 135.50 252.50 722.82 a 822.50 1223.00 1002.16 b 904.00 359.50 171.50 79.50 5684.34
1940 0.00 0.00 18.00 198.00 556.50 912.00 1304.50 1046.00 939.50 561.50 38.50 5.50 5580.00
1941 5.50 4.00 25.00 327.50 726.50 847.50 1166.50 1113.00 759.50 331.00 73.45 a 57.35 a 5436.80
1942 21.00 0.00 23.50 350.00 433.00 792.50 1066.50 1028.50 534.50 329.00 42.50 i 0.50 4579.00
1943 2.00 18.50 108.50 281.38 a 480.00 844.50 1177.50 904.00 f 641.50 372.50 28.00 12.50 3966.88
1944 15.50 0.00 2.00 115.00 706.50 791.50 990.00 991.00 640.00 393.00 86.50 0.00 h 4731.00
1945 0.00 5.50 218.00 187.00 448.00 616.50 1059.00 1020.50 629.00 407.50 89.50 4.00 4684.50
1946 5.00 5.00 226.00 387.00 414.50 897.00 1109.50 943.00 628.50 255.50 18.60 e 11.50 4901.10
1947 22.00 1.50 27.50 177.50 471.00 730.00 1028.00 1219.00 732.00 572.50 0.00 z 0.00 4981.00
1948 2.00 15.00 75.36 b 407.50 569.00 771.50 1087.50 1053.00 881.00 300.00 62.00 g 7.00 5168.86
1949 2.00 0.00 42.50 330.00 664.50 896.11 c 1099.00 1096.00 603.00 350.00 171.43 b 2.30 d 5256.84
1950 0.00 4.50 10.50 153.33 c 463.50 830.40 e 927.33 b 899.00 667.50 468.50 58.50 f 1.50 g 4424.56
1951 4.00 30.00 24.80 a 165.00 a 561.62 a 673.80 e 971.00 949.00 430.00 f 325.00 36.96 b 1.60 b 3742.78
1952 0.00 2.00 4.65 a 333.50 483.00 f 642.50 j 1126.69 b 1010.37 d 828.50 297.00 70.18 b 1.55 a 3674.44
1953 10.85 a 0.00 a 101.30 c 144.00 554.00 910.86 a 1045.00 1089.81 b 766.00 545.08 a 138.10 a 4.81 b 5309.82
1954 0.00 a 81.41 a 16.00 342.12 d 459.63 e 811.55 a 1170.54 d 992.50 717.86 b 270.98 b 174.31 a 2.07 a 5038.96
1955 0.00 0.00 64.00 505.86 a 750.41 b 782.00 1234.32 a 979.00 g 41.00 z 140.50 n 33.62 a 0.00 3370.21
1956 0.00 0.00 49.50 131.00 592.21 b 1094.00 1011.50 986.66 b 712.00 553.00 51.50 24.50 5205.86
1957 0.00 a 1.50 18.60 a 251.50 477.92 a 760.00 1151.00 1073.78 b 641.50 362.59 c 31.00 21.50 4790.88
1958 4.50 32.67 a 11.50 225.50 690.02 b 767.50 962.03 a 1114.00 800.50 462.42 a 111.00 7.50 5189.13
1959 0.00 0.00 93.52 a 279.50 591.50 1029.00 1112.00 1173.50 698.50 223.00 21.50 17.00 5239.02
1960 0.00 0.00 3.50 260.00 555.00 789.00 1152.00 1071.50 776.50 452.00 94.00 0.00 5153.50
1961 0.00 24.37 a 88.00 117.78 c 511.50 a 954.11 b 1082.42 a 1132.00 612.00 428.32 a 51.50 12.50 5014.49
1962 18.50 21.50 4.00 310.00 669.50 803.50 595.00 m 0.00 z 627.50 175.00 q 45.50 m 0.00 2454.50
1963 0.00 z 10.50 163.50 338.79 a 0.00 z 623.00 m 1160.00 1085.00 a 813.50 643.50 101.50 11.00 4327.29
1964 10.50 4.00 13.00 340.86 a 735.50 928.45 a 1235.00 965.50 723.00 409.00 107.00 0.00 5471.81
1965 0.00 25.50 8.00 299.00 681.50 869.00 1091.00 1053.50 415.50 463.50 88.50 16.50 5011.50
1966 4.00 0.00 165.50 169.50 583.50 925.00 1308.00 971.00 704.00 406.50 42.00 13.50 5292.50
1967 9.00 7.00 144.31 b 307.50 525.50 802.50 1047.50 1022.50 750.00 374.00 62.00 0.00 5051.81
1968 8.00 0.00 215.00 284.50 471.00 911.00 1085.50 1090.50 724.00 425.50 57.00 9.00 5281.00
1969 0.00 0.00 2.50 383.50 700.00 747.50 1097.50 1143.50 785.50 197.00 85.50 11.00 5153.50
1970 0.00 a 23.00 4.81 b 246.00 696.50 946.00 1162.00 1144.00 804.50 267.00 g 29.48 a 2.87 d 5059.16
1971 0.00 8.50 64.50 336.50 542.00 986.00 984.50 1154.50 691.50 428.00 70.50 0.50 5267.00
1972 0.50 12.00 94.50 235.00 639.00 860.00 996.50 1026.00 728.00 308.50 3.00 9.00 4912.00
1973 14.50 14.50 86.00 264.00 573.50 879.50 1064.00 1185.00 641.90 a 466.00 41.00 3.10 a 5233.00
1974 32.50 18.50 115.00 309.50 569.50 826.50 1263.00 960.00 647.00 432.45 a 57.00 3.50 5234.45
1975 1.00 0.00 42.50 210.00 645.00 856.00 1228.00 1106.50 695.50 440.00 141.50 4.00 5370.00
1976 0.00 75.00 123.00 379.50 600.00 929.00 1195.64 b 1155.50 776.00 303.00 49.50 3.50 5589.64
1977 0.00 19.50 73.50 471.50 771.50 948.00 1141.83 a 918.00 694.00 317.50 75.50 3.10 a 5433.93
1978 0.00 0.00 a 123.00 218.50 594.50 873.50 1042.50 994.14 b 883.50 387.50 119.00 0.00 5236.14
1979 0.00 0.00 48.10 b 248.00 517.00 872.50 1019.00 971.00 856.50 366.12 b 36.50 39.50 4974.22
1980 16.02 a 1.07 b 44.50 383.00 680.50 971.50 1196.50 1071.00 802.00 376.50 128.50 11.00 5682.09
1981 23.52 b 70.00 115.50 476.00 571.00 883.00 1103.00 1028.50 796.00 379.75 a 158.00 0.00 5604.27
1982 2.50 36.00 40.50 262.50 636.50 736.00 1103.00 1067.50 675.50 297.00 28.00 17.00 4902.00
1983 4.00 47.50 70.00 133.00 495.50 810.50 1180.50 1233.50 770.50 347.50 68.50 0.00 5161.00
1984 7.00 6.50 14.00 202.50 557.50 907.00 1074.00 1105.00 596.50 361.50 76.00 14.50 4922.00
1985 0.50 8.00 73.50 426.00 743.50 758.00 1072.00 821.50 598.00 336.00 23.50 0.00 4860.50
1986 0.50 10.00 193.00 260.00 626.50 911.50 1073.00 883.00 567.00 314.50 49.00 0.50 4888.50
1987 11.00 15.00 71.50 365.50 723.50 944.00 1092.00 885.00 637.50 215.50 81.50 5.00 5047.00
1988 0.00 5.50 81.50 203.00 652.50 1059.00 1083.00 1060.00 673.00 243.50 62.00 19.00 5142.00
1989 15.50 0.00 70.00 290.50 539.50 753.00 1136.00 1031.50 650.50 359.00 51.50 6.00 4903.00
1990 8.50 13.00 69.00 259.50 470.50 864.00 965.50 980.50 794.00 272.00 110.00 13.50 4820.00
1991 0.00 18.00 76.50 285.50 605.00 947.00 1090.00 1064.00 688.00 310.00 14.50 0.00 5098.50
1992 5.00 28.50 75.00 167.00 592.00 731.50 777.00 783.50 609.00 318.50 1.50 0.00 4088.50
1993 0.00 0.00 58.50 162.50 510.00 699.00 888.50 910.00 461.50 282.50 14.50 4.50 3991.50
1994 0.00 4.00 97.00 221.50 655.00 835.50 900.50 899.00 689.00 351.00 54.00 4.50 4711.00
1995 3.00 34.00 111.50 83.50 399.00 824.00 1037.50 1059.00 599.00 248.00 7.50 7.00 4413.00
1996 7.00 26.50 26.50 145.50 434.50 864.00 931.00 962.50 610.00 297.50 6.50 0.00 4311.50
1997 0.00 4.00 92.50 192.50 430.50 866.50 1028.50 934.50 723.50 396.00 21.50 8.50 4698.50
1998 6.50 21.50 59.50 222.50 638.50 706.50 1066.50 1008.00 852.00 317.00 74.00 49.50 5022.00
1999 0.00 31.50 85.50 202.50 539.50 784.50 1074.50 983.50 572.50 302.50 168.00 16.50 4761.00
2000 0.00 61.50 127.00 237.50 590.50 762.00 1083.50 1086.00 714.50 395.00 35.00 0.00 5092.50
2001 0.00 0.00 8.00 248.00 601.00 828.00 1090.50 1044.50 695.00 301.00 227.50 1.00 5044.50
2002 13.50 17.50 14.50 260.00 427.00 994.50 1239.50 1031.50 748.00 153.50 55.00 2.00 4956.50
2003 0.00 z 3.50 106.00 318.00 489.00 767.00 1069.50 1088.00 690.00 440.00 60.50 7.50 5039.00
2004 0.00 8.00 114.50 280.00 561.50 709.50 1001.50 880.00 779.50 317.50 85.00 2.50 4739.50
2005 9.00 27.50 60.50 275.50 479.00 882.00 1120.00 1086.00 880.00 352.50 99.00 0.00 5271.00
2006 26.00 0.00 49.00 353.50 612.50 906.50 1222.00 1030.00 548.00 268.00 94.00 7.00 5116.50
2007 0.00 0.00 185.00 244.00 678.00 866.00 1109.00 992.50 742.00 355.50 93.50 0.00 5265.50
2008 2.00 1.00 27.00 144.50 420.50 751.00 1050.00 987.50 674.50 281.00 69.00 0.00 4408.00
2009 0.00 18.00 98.00 193.00 538.00 0.00 z 0.00 z 870.50 673.00 104.00 104.50 1.00 2600.00
2010 0.00 0.00 71.00 313.00 486.00 843.00 1069.50 1099.00 471.50 f 380.50 80.50 0.00 4342.50
2011 0.00 19.50 54.50 179.00 455.00 788.00 1157.00 989.50 606.00 395.50 77.50 7.00 4728.50
2012 25.00 0.50 343.00 350.50 611.00 950.00 1270.00 1008.00 710.50 266.60 a 57.00 20.00 5612.10
2013 1.00 0.00 27.50 n 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 1.00
Period of Record Statistics
MEAN 5.90 13.84 77.50 267.82 576.57 853.67 1097.34 1030.48 709.55 367.36 76.63 8.55 5087.01
S.D. 8.36 18.42 65.25 90.46 108.00 102.36 108.25 93.62 98.48 96.18 47.10 11.93 372.26
SKEW 1.47 2.00 1.67 0.18 0.63 0.71 0.15 -0.07 -0.04 0.15 0.62 3.12 -0.17
MAX 34.00 88.67 362.91 505.86 1005.00 1255.18 1449.50 1257.50 939.50 643.50 227.50 79.50 6031.62
MIN 0.00 0.00 0.00 59.00 376.00 616.50 777.00 783.50 415.50 104.00 1.50 0.00 3991.50
NO YRS 113 115 112 112 112 111 112 111 112 112 108 113 94