ALEXANDRIA, SOUTH DAKOTA

Monthly Total Growing Degree Days

(390128)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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 14.98 a 145.86 a 438.50 939.83 a 1038.50 b 954.00 436.00 o 280.00 97.00 0.50 3909.17
1894 0.00 a 0.00 106.00 301.00 695.50 987.93 a 1133.00 1031.00 662.07 a 261.00 14.50 0.00 a 5192.00
1895 0.00 14.50 41.00 420.00 533.00 742.00 945.50 890.50 696.50 243.00 36.21 a 0.00 4562.21
1896 3.00 16.00 4.00 287.50 679.00 809.50 674.50 j 980.00 548.50 245.93 a 1.00 0.00 3574.43
1897 0.00 a 0.00 25.50 188.50 523.12 c 823.50 1052.50 786.00 503.50 n 308.50 30.50 0.00 a 3738.12
1898 0.00 1.50 53.50 240.00 550.50 848.50 980.50 996.50 0.00 z 0.00 z 0.00 z 0.00 3671.00
1899 1.00 18.67 a 2.00 310.00 542.00 883.00 1015.50 1046.50 603.00 348.50 115.00 0.00 a 4885.17
1900 4.50 0.00 54.00 396.00 748.00 930.00 1002.00 1218.50 576.00 491.00 19.00 0.00 5439.00
1901 15.00 0.00 37.95 b 320.00 624.50 825.50 1219.50 1038.00 591.21 a 391.93 c 30.54 b 0.00 c 5094.12
1902 0.00 b 4.00 133.09 b 213.50 627.00 691.50 1021.00 861.50 533.00 396.50 38.00 0.00 4519.09
1903 0.00 0.00 29.50 225.50 558.00 762.00 960.00 890.50 578.00 0.00 z 55.50 0.00 4059.00
1904 0.00 0.00 25.00 135.00 567.50 768.50 946.00 936.50 641.00 375.50 100.00 0.00 4495.00
1905 0.00 5.50 138.00 226.50 447.50 784.50 951.50 1103.00 727.50 275.00 73.50 0.00 a 4732.50
1906 0.50 g 17.50 4.50 310.86 a 596.50 775.00 934.00 993.50 674.50 250.00 39.50 3.62 a 4599.48
1907 0.00 a 7.78 a 107.00 77.07 a 361.50 784.00 350.00 s 992.00 a 623.50 310.00 a 45.00 c 0.00 k 3307.85
1908 0.53 b 1.04 a 37.41 b 382.24 a 578.00 817.50 b 1047.00 765.00 f 911.11 c 310.00 a 94.14 a 0.00 a 4178.97
1909 0.00 d 0.00 9.00 132.00 613.00 854.50 1001.50 1110.50 651.00 321.00 143.50 2.58 a 4838.58
1910 0.00 a 0.00 a 304.50 402.50 466.00 843.50 1032.00 901.50 626.50 456.50 0.00 z 0.00 z 5033.00
1911 0.00 0.00 a 73.88 a 131.38 a 868.50 1110.00 1059.88 b 997.54 c 703.89 c 270.00 0.00 0.00 g 5215.07
1912 0.00 f 0.00 14.50 319.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 334.00
1913 1.50 r 7.00 40.00 306.50 551.50 905.00 1024.00 1101.00 754.66 a 374.07 a 150.00 j 38.00 5101.72
1914 3.00 0.00 0.00 z 170.00 p 566.00 868.50 1120.00 1057.00 775.50 475.33 a 192.50 0.00 a 5057.83
1915 0.00 z 0.00 0.00 506.79 b 0.00 z 748.50 877.50 844.50 714.50 465.00 102.00 0.00 4258.79
1916 0.00 b 0.00 60.50 227.00 566.00 700.00 1266.50 1022.50 657.41 a 0.00 z 85.50 10.85 a 4596.26
1917 4.98 c 0.00 z 0.00 z 0.00 z 455.50 g 794.50 1098.00 952.50 666.50 180.50 109.66 a 0.00 b 3806.64
1918 0.00 0.00 z 0.00 z 123.00 675.50 884.44 c 1016.50 1043.15 a 421.20 e 0.00 z 0.00 z 0.00 z 4163.79
1919 0.00 b 0.00 60.50 208.00 527.00 922.00 1124.50 925.50 752.00 243.72 b 0.00 z 0.00 z 4763.22
1920 0.00 0.00 b 87.50 50.50 532.50 883.00 1014.00 915.50 736.00 427.00 g 8.50 0.00 z 4227.50
1921 0.00 i 18.00 124.50 379.50 632.92 a 1057.50 1140.50 1014.50 766.00 416.00 26.00 25.83 a 5601.25
1922 0.00 0.00 60.97 a 278.00 682.00 892.00 973.50 1091.50 838.50 399.79 b 54.50 0.00 a 5270.76
1923 0.00 0.00 12.50 224.00 587.00 902.07 a 1131.50 936.00 821.40 e 315.00 77.00 20.50 5026.97
1924 0.00 f 12.00 5.00 295.50 394.50 720.00 883.00 909.00 641.50 573.00 54.50 4.50 4492.50
1925 0.00 a 3.50 169.98 a 519.00 570.00 885.50 1073.50 1116.50 850.00 105.40 a 28.00 3.50 5324.88
1926 0.00 6.74 a 72.00 330.00 818.00 853.00 1093.00 1027.00 616.55 a 343.50 17.00 0.00 5176.79
1927 0.00 7.00 39.50 244.00 490.50 787.00 976.50 930.00 786.50 454.50 16.00 0.00 b 4731.50
1928 1.50 0.00 95.50 134.00 669.00 681.00 1054.00 1031.00 620.50 361.50 43.50 0.60 e 4692.10
1929 0.00 0.00 67.00 296.00 523.90 a 839.00 1098.50 1054.00 571.00 347.00 8.50 0.00 c 4804.90
1930 0.00 44.50 46.50 333.00 535.27 a 831.50 1238.40 b 1108.00 692.50 349.50 80.50 0.50 5260.16
1931 9.50 12.00 28.00 327.00 545.50 1104.50 1223.50 1098.50 910.00 465.50 120.00 0.00 5844.00
1932 0.00 12.00 13.50 306.50 681.50 970.34 a 1198.15 a 1128.92 a 715.00 280.50 65.00 8.50 5379.91
1933 0.00 14.50 67.50 267.50 573.00 1180.00 1158.00 980.12 a 901.00 352.50 56.50 4.00 5554.62
1934 6.00 9.00 83.70 a 321.00 983.50 1011.50 1239.50 1050.90 a 582.50 496.50 99.50 0.00 5883.60
1935 0.00 3.00 132.00 225.00 454.00 789.50 1276.00 1053.00 746.00 309.50 20.00 0.00 5008.00
1936 0.00 0.00 63.50 251.00 773.00 949.00 1398.00 1202.00 869.00 353.00 36.50 0.50 5895.50
1937 0.00 b 2.00 28.50 275.00 680.50 831.00 1174.00 1229.50 793.00 357.00 89.50 0.00 5460.00
1938 0.00 a 0.00 137.00 372.00 564.50 898.50 1184.00 1215.50 825.00 605.50 55.00 0.00 5857.00
1939 0.50 0.00 147.00 281.50 853.02 a 910.00 1198.50 1044.50 877.50 377.00 67.00 58.00 5814.52
1940 0.00 0.00 20.00 233.50 590.00 922.50 1231.00 1001.50 909.50 570.50 45.00 0.00 5523.50
1941 0.00 0.00 23.50 363.00 802.50 903.50 1162.00 1138.00 773.50 403.00 92.50 48.57 a 5710.07
1942 1.50 0.00 39.27 a 424.00 511.50 847.00 1058.50 1035.00 554.00 390.50 83.50 0.00 4944.77
1943 0.00 22.00 117.50 348.00 535.50 893.50 1149.50 1087.50 640.50 402.50 17.50 2.00 5216.00
1944 8.00 0.00 3.00 152.00 741.50 841.50 994.00 965.00 666.50 402.00 76.00 0.00 4849.50
1945 0.00 0.00 180.50 220.50 432.00 649.50 994.00 1000.00 648.00 385.00 45.00 c 0.00 4554.50
1946 0.00 1.50 189.50 413.00 468.50 891.00 1040.00 892.00 656.50 309.00 17.50 4.65 a 4883.15
1947 12.50 0.00 40.00 156.50 465.00 741.00 1054.50 1234.50 761.00 585.00 24.50 0.00 5074.50
1948 0.00 a 8.50 67.00 415.00 594.50 775.50 1075.00 1050.50 802.80 e 354.00 66.00 0.00 5208.80
1949 0.00 0.00 10.00 327.00 731.60 a 923.50 1159.50 1084.50 579.50 371.00 142.50 0.00 5329.10
1950 0.00 0.00 19.00 121.50 477.00 868.45 a 893.50 893.00 685.00 456.00 53.50 0.50 4467.45
1951 0.00 15.00 5.50 158.50 600.00 665.50 965.50 925.00 510.00 315.00 23.28 a 3.50 4186.78
1952 0.00 0.50 7.50 322.50 592.00 991.50 1110.00 996.00 800.50 280.00 73.50 3.50 5177.50
1953 0.00 0.00 82.00 133.00 557.50 947.50 1059.50 1058.00 752.50 555.00 123.00 0.00 5268.00
1954 0.00 39.50 8.00 350.50 468.50 889.50 1157.50 1008.00 730.00 277.00 157.00 0.00 g 5085.50
1955 0.00 0.00 62.50 506.50 768.50 811.50 1262.50 1236.00 783.00 434.50 20.00 0.00 5885.00
1956 0.00 0.00 31.00 137.00 656.50 1089.00 1023.50 999.50 719.00 581.00 48.10 a 2.50 5287.10
1957 0.00 0.00 15.00 282.50 536.50 790.00 1187.00 1042.12 a 626.50 344.00 28.00 6.00 4857.62
1958 0.50 40.00 15.00 249.00 720.50 766.50 946.50 1090.50 799.00 438.50 97.50 0.00 5163.50
1959 0.00 0.00 88.50 279.50 620.50 1009.00 1077.50 1186.00 691.50 217.50 11.50 3.50 5185.00
1960 0.00 0.00 3.50 260.50 586.50 808.50 1081.00 1042.50 737.00 416.50 77.00 0.00 5013.00
1961 0.00 4.50 58.50 162.00 525.00 902.50 1024.50 1085.50 640.00 404.50 41.50 1.50 4850.00
1962 3.50 9.00 6.00 290.00 721.50 840.00 988.50 975.50 631.00 424.18 a 87.50 26.50 5003.18
1963 1.50 9.50 168.50 329.00 629.50 991.50 1128.00 999.00 791.50 600.00 74.00 0.00 5722.00
1964 0.00 0.00 5.00 338.50 727.50 930.00 1220.50 951.50 690.50 379.00 113.00 0.00 5355.50
1965 0.00 0.00 8.00 285.50 698.00 880.50 1045.50 1010.50 454.50 448.00 78.50 1.00 4910.00
1966 0.00 0.00 142.50 166.00 550.00 913.50 1230.00 938.00 672.50 392.50 21.00 1.50 5027.50
1967 0.00 3.50 156.50 290.50 533.00 821.50 1029.00 986.00 704.00 343.50 41.00 0.00 4908.50
1968 0.00 0.00 235.00 308.00 485.00 929.00 1040.00 1054.50 680.00 369.50 57.00 7.50 5165.50
1969 0.00 0.00 0.00 329.00 689.00 725.50 1063.50 1070.00 766.00 201.50 72.00 2.50 4919.00
1970 0.00 2.00 0.00 258.50 694.50 928.00 1094.50 1071.00 746.50 305.00 16.50 3.00 5119.50
1971 0.00 3.00 58.50 342.00 556.50 999.00 960.50 1070.00 682.50 443.00 55.00 0.00 5170.00
1972 0.00 0.00 54.50 224.50 637.00 874.50 994.00 1000.00 673.00 293.50 29.50 4.00 4784.50
1973 1.50 0.50 75.00 256.50 572.50 907.50 1077.50 1177.50 645.00 471.50 40.50 2.50 5228.00
1974 3.00 9.50 82.50 330.00 560.50 838.50 1231.50 925.00 631.50 446.00 54.50 0.00 5112.50
1975 0.00 0.00 23.00 172.00 690.50 858.50 1190.50 1060.50 618.00 432.00 138.00 0.00 5183.00
1976 0.00 34.50 128.50 386.00 592.00 945.50 1166.00 1138.50 744.00 260.00 42.50 0.00 5437.50
1977 0.00 13.00 78.50 465.50 850.00 939.00 1172.50 922.50 706.00 318.50 67.50 0.50 5533.50
1978 0.00 0.00 92.50 232.50 626.72 a 896.00 1041.00 1004.50 859.50 371.00 124.00 0.00 5247.72
1979 0.00 0.00 22.00 234.00 533.00 885.00 1045.00 973.50 820.00 355.50 32.50 16.00 4916.50
1980 5.00 0.00 39.00 368.00 686.50 969.00 1186.00 1065.00 806.00 363.00 102.00 1.00 5590.50
1981 13.00 66.00 128.50 505.00 602.00 942.93 a 1128.00 1002.50 744.00 339.50 162.50 0.00 5633.93
1982 0.00 17.00 45.50 283.00 674.50 751.00 1104.50 1041.50 678.50 353.50 20.50 15.00 4984.50
1983 0.00 10.50 60.00 146.00 528.50 838.00 1155.50 1221.50 788.00 372.00 97.00 0.00 5217.00
1984 0.00 0.00 0.50 208.00 562.50 886.00 1053.50 1101.50 569.00 357.00 78.50 3.00 4819.50
1985 0.00 11.50 76.50 439.50 741.50 779.00 1054.00 890.50 611.00 333.00 29.50 0.00 4966.00
1986 0.00 0.00 140.00 284.50 658.00 953.50 1106.50 920.00 651.00 388.00 37.00 0.00 5138.50
1987 13.50 20.50 106.00 467.00 832.00 1009.00 1160.00 940.50 720.00 252.50 101.50 3.50 5626.00
1988 0.00 0.00 101.50 308.00 795.50 1123.00 1184.50 1095.00 725.50 265.50 46.00 1.00 5645.50
1989 4.50 0.00 72.00 345.50 637.50 853.50 1163.50 1054.00 700.50 392.00 41.50 0.00 5264.50
1990 6.50 5.00 98.00 295.00 569.50 940.50 1045.50 1066.50 864.00 340.50 113.00 7.50 5351.50
1991 0.00 17.00 109.00 331.50 695.00 1051.00 1105.50 1091.00 759.50 368.00 7.00 0.00 5534.50
1992 1.50 22.00 106.00 241.50 671.00 823.00 821.00 841.50 664.00 346.50 0.00 0.00 4538.00
1993 0.00 0.00 45.00 206.50 600.50 794.50 974.00 989.50 571.50 355.00 19.00 0.00 4555.50
1994 0.00 1.00 86.50 297.00 728.50 944.00 960.50 965.50 768.50 415.00 76.00 0.00 5242.50
1995 0.00 13.50 127.00 134.00 505.00 892.50 1110.00 1145.50 691.00 306.50 5.50 0.00 a 4930.50
1996 5.50 33.00 33.50 211.00 535.00 932.00 944.50 1002.50 654.50 375.50 24.50 0.00 4751.50
1997 0.00 0.00 62.00 213.00 516.50 947.50 1095.00 974.50 790.00 454.00 12.00 1.00 5065.50
1998 11.50 37.50 83.50 314.50 778.50 790.50 1106.00 1078.50 924.50 404.50 70.00 41.00 5640.50
1999 0.00 40.50 98.50 277.00 645.00 859.50 1148.00 1015.00 646.50 352.50 187.50 9.00 5279.00
2000 0.00 68.50 177.50 310.50 694.50 872.50 1088.50 0.00 z 769.00 447.43 a 47.50 0.00 4475.93
2001 0.00 0.00 2.50 319.00 672.00 920.00 1147.00 1068.50 727.00 385.00 264.00 0.00 5505.00
2002 16.50 17.00 14.00 350.50 528.00 1040.00 1245.50 1021.00 803.00 210.50 54.00 2.50 5302.50
2003 8.00 5.00 146.00 367.00 560.00 832.00 1114.50 1117.50 721.00 488.00 63.00 2.00 5424.00
2004 1.00 11.50 144.00 384.00 660.00 813.00 1014.50 900.50 843.00 388.00 106.00 9.00 5274.50
2005 2.00 18.00 88.50 382.50 589.50 995.00 1180.00 1078.50 938.00 407.00 118.00 0.00 5797.00
2006 11.50 0.00 58.00 442.00 689.50 957.50 1238.50 1058.50 603.00 323.50 85.00 8.00 5475.00
2007 0.00 0.00 222.50 326.50 793.00 959.50 1167.00 1074.50 811.00 465.00 88.00 0.00 5907.00
2008 0.00 0.00 20.50 219.50 559.50 860.00 1108.00 1024.50 758.00 356.00 95.00 0.00 5001.00
2009 1.00 4.50 103.00 264.00 642.00 829.00 930.00 933.50 751.50 148.50 131.50 0.00 4738.50
2010 0.00 0.00 93.50 452.50 621.50 941.00 1130.00 1130.00 678.50 458.00 99.50 0.00 5604.50
2011 0.00 d 8.50 46.00 236.90 a 586.50 915.54 b 1256.53 a 1049.00 673.00 484.00 75.50 4.81 b 5336.28
2012 20.50 0.00 468.50 437.00 773.00 326.50 t 0.00 z 0.00 z 0.00 z 0.00 z 25.00 m 6.50 1705.50
2013 0.00 0.00 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
Period of Record Statistics
MEAN 1.77 7.41 72.51 287.01 616.31 879.88 1088.31 1027.12 709.86 371.47 65.59 3.88 5179.81
S.D. 3.98 12.85 68.49 98.14 109.08 98.07 101.37 90.49 100.42 92.79 45.82 9.57 376.00
SKEW 2.66 2.57 2.25 0.09 0.51 0.29 0.06 0.12 -0.02 0.13 1.17 3.73 -0.03
MAX 20.50 68.50 468.50 519.00 983.50 1180.00 1398.00 1236.00 938.00 605.50 264.00 58.00 5907.00
MIN 0.00 0.00 0.00 50.50 361.50 649.50 821.00 786.00 421.20 105.40 0.00 0.00 4186.78
NO YRS 115 119 117 118 117 118 116 116 115 113 113 113 96