SIOUX FALLS FOSS FLD, SOUTH DAKOTA

Monthly Total Growing Degree Days

(397667)

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
1948 0.00 2.00 53.00 364.00 552.00 765.50 1053.50 1024.50 807.50 309.50 60.50 0.00 4992.00
1949 0.00 0.00 7.00 273.00 678.50 912.00 1105.50 1042.00 529.50 339.00 90.00 0.00 4976.50
1950 0.00 0.00 22.00 84.50 459.50 788.50 868.50 852.00 663.00 405.00 21.00 0.00 4164.00
1951 0.00 12.50 0.00 117.93 a 580.50 666.50 954.00 905.00 499.14 a 288.50 15.00 10.50 4049.57
1952 0.00 0.00 a 8.50 315.00 543.50 934.50 1024.50 931.00 733.00 219.00 64.00 0.52 a 4773.52
1953 0.00 0.00 39.50 102.00 532.50 926.90 a 1025.00 1028.50 648.50 478.50 104.00 0.00 4885.40
1954 0.00 20.50 6.50 307.50 413.00 879.50 1128.00 975.50 673.50 247.00 109.00 0.00 4760.00
1955 0.00 0.00 50.00 440.00 725.50 782.00 1223.00 1174.50 701.50 370.50 12.50 0.00 5479.50
1956 0.00 0.00 20.00 101.50 622.00 1052.00 953.50 959.00 635.00 499.00 47.00 0.00 4889.00
1957 0.00 0.00 15.50 269.00 494.50 801.00 1197.00 963.00 574.00 297.00 25.00 4.00 4640.00
1958 0.00 20.00 18.50 197.00 675.50 731.00 938.50 1073.00 716.00 401.00 61.50 0.00 4832.00
1959 0.00 0.00 40.00 237.50 578.50 973.00 1063.00 1116.00 634.50 173.50 10.50 2.50 4829.00
1960 0.00 0.00 3.50 225.00 556.50 768.00 1049.50 1015.00 683.50 358.50 47.50 3.50 4710.50
1961 0.00 0.50 40.50 125.50 466.00 863.00 996.50 1054.00 579.00 349.00 26.50 0.00 4500.50
1962 0.00 3.00 4.00 244.00 713.00 828.00 951.00 969.50 351.50 k 413.00 56.00 30.00 4211.50
1963 0.00 2.00 134.00 292.50 601.50 1005.00 1109.00 954.00 727.00 567.00 74.00 0.00 5466.00
1964 1.00 2.00 8.50 273.00 669.50 902.00 1153.50 875.50 578.50 291.50 89.00 0.00 4844.00
1965 0.00 0.00 6.50 195.50 588.50 766.00 955.00 910.00 348.00 363.50 41.50 1.50 4176.00
1966 0.00 1.00 111.50 112.00 452.00 855.00 1200.50 893.50 597.00 273.00 19.50 0.00 4515.00
1967 0.00 0.00 123.00 216.00 432.50 788.00 981.00 926.00 639.00 270.00 21.50 0.00 4397.00
1968 0.00 0.00 163.50 260.00 391.50 886.50 986.50 1013.50 629.50 305.50 20.50 2.00 4659.00
1969 0.00 0.00 0.00 268.00 607.00 641.00 1036.50 1030.00 668.50 175.00 42.00 0.00 4468.00
1970 0.00 0.00 0.00 199.50 620.50 868.50 1031.00 1007.50 656.00 244.00 7.00 0.00 4634.00
1971 0.00 0.50 41.50 277.50 473.00 938.00 906.50 1023.50 645.50 386.00 32.50 0.00 4724.50
1972 0.00 0.00 33.00 154.50 592.00 799.50 934.00 943.50 585.50 209.00 16.50 0.00 4267.50
1973 0.00 0.00 62.50 221.00 521.50 867.50 1066.50 1136.50 602.00 404.50 31.00 1.50 4914.50
1974 0.00 3.50 44.50 280.50 486.50 777.00 1213.50 856.00 532.50 361.00 39.00 0.00 4594.00
1975 0.00 0.00 13.00 142.00 653.50 825.50 1193.00 1014.00 508.50 388.00 110.50 0.00 4848.00
1976 0.00 12.50 87.50 332.00 534.00 945.00 1137.00 1090.00 685.50 231.50 24.00 0.00 5079.00
1977 0.00 4.00 66.50 435.50 829.50 934.00 1146.00 871.00 656.50 239.50 51.00 0.00 5233.50
1978 0.00 0.00 65.00 153.50 548.50 796.00 957.00 963.50 799.50 248.50 82.50 0.00 4614.00
1979 0.00 0.00 2.00 184.00 471.00 833.50 1053.50 925.50 728.00 273.50 28.00 1.00 4500.00
1980 0.00 0.00 23.50 315.50 570.50 863.00 1059.00 962.50 660.00 228.00 54.00 2.00 4738.00
1981 4.50 39.00 86.00 406.00 566.00 912.00 1101.00 965.00 689.00 303.50 128.50 0.00 5200.50
1982 0.00 11.00 27.00 236.00 606.00 678.00 1064.00 970.50 598.00 292.50 13.50 8.50 4505.00
1983 0.00 3.00 50.00 116.50 466.00 800.00 1149.50 1187.00 704.00 302.00 77.00 0.00 4855.00
1984 0.00 1.00 0.00 178.50 492.00 841.00 1040.00 1060.50 518.00 343.00 61.50 1.50 4537.00
1985 0.00 11.50 68.50 399.00 703.00 726.00 976.50 815.50 550.00 219.00 11.00 0.00 4480.00
1986 0.00 0.00 99.00 246.50 581.50 888.50 1084.50 820.00 588.00 281.00 14.50 0.00 4603.50
1987 6.00 10.50 89.00 400.00 770.00 940.50 1145.50 891.50 684.50 168.00 88.00 0.50 5194.00
1988 0.00 0.00 69.00 212.00 776.00 1089.00 1159.50 1077.50 677.00 176.50 25.00 0.00 5261.50
1989 1.00 0.00 65.50 291.00 557.00 805.50 1154.50 990.50 605.50 321.00 5.50 1.50 4798.50
1990 0.00 6.50 61.00 248.50 509.00 901.50 966.00 1020.00 793.50 255.00 81.00 0.00 4842.00
1991 0.00 2.50 78.00 302.00 695.50 1003.00 1024.50 1015.00 662.50 272.00 6.00 0.00 5061.00
1992 0.00 7.50 65.00 182.50 632.50 809.50 791.50 807.50 608.00 301.00 0.00 0.00 4205.00
1993 0.00 0.00 28.00 155.00 530.00 751.50 973.00 972.50 502.50 267.00 10.00 0.00 4189.50
1994 0.00 5.50 61.50 252.50 739.50 947.50 952.50 911.50 757.00 386.00 63.00 0.00 5076.50
1995 0.00 2.00 115.50 112.50 485.00 900.50 1089.50 1141.50 613.00 277.50 4.50 2.50 4744.00
1996 2.00 14.50 31.50 132.00 463.00 862.00 900.50 928.50 580.50 283.50 15.50 0.00 4213.50
1997 0.00 0.00 39.50 152.50 355.00 864.00 1003.50 895.00 671.50 344.00 3.00 0.00 4328.00
1998 0.00 16.50 66.00 218.00 672.50 692.50 988.50 961.50 787.00 328.50 36.00 21.50 4788.50
1999 0.00 2.50 54.50 191.50 573.00 807.00 1086.50 947.50 591.50 287.00 93.75 b 4.00 4638.75
2000 0.00 a 47.00 118.50 218.00 594.00 770.00 976.50 a 979.00 641.00 375.10 a 34.50 0.00 4753.60
2001 0.00 a 0.00 3.00 267.00 592.00 861.00 1105.50 997.00 637.00 291.92 a 204.50 2.58 a 4961.50
2002 4.00 19.00 7.50 265.00 436.00 964.50 1166.00 947.00 698.50 135.00 26.00 0.50 4669.00
2003 2.00 3.00 113.50 301.50 480.00 786.50 1023.00 1032.50 599.00 366.00 36.00 1.00 4744.00
2004 0.00 1.00 90.50 294.00 550.00 743.00 944.50 790.50 772.00 313.50 66.50 4.50 4570.00
2005 0.00 9.50 57.00 367.50 507.50 913.00 1084.00 929.50 822.50 335.50 79.50 0.00 5105.50
2006 6.00 0.00 30.50 354.50 605.00 870.50 1115.50 970.50 544.00 260.50 55.50 1.00 4813.50
2007 0.00 0.00 157.00 285.00 693.50 897.00 1086.00 1010.00 704.50 415.50 50.50 0.00 5299.00
2008 0.00 0.00 2.00 159.50 508.00 845.50 1071.00 978.00 687.00 0.00 z 79.50 0.00 4330.50
2009 0.00 4.00 74.50 211.00 578.00 775.00 888.00 867.00 703.00 119.00 101.00 0.00 4320.50
2010 0.00 0.00 81.00 365.00 519.00 827.00 1038.00 1062.50 598.00 360.50 67.00 0.00 4918.00
2011 0.00 0.00 15.00 147.50 512.50 812.00 1157.50 961.50 587.50 417.50 48.50 3.00 4662.50
2012 4.50 0.00 378.00 357.00 673.50 963.00 1281.50 1004.00 682.00 223.50 55.50 7.00 5629.50
2013 0.00 0.00 15.50 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 15.50
Period of Record Statistics
MEAN 0.47 4.56 54.73 242.17 570.08 849.38 1049.82 975.17 643.46 306.70 48.86 1.82 4747.97
S.D. 1.38 8.79 57.58 89.06 99.02 90.53 97.31 85.26 85.93 85.26 37.27 4.83 339.35
SKEW 3.03 2.95 2.89 0.26 0.35 0.13 -0.05 0.17 -0.39 0.34 1.33 4.32 0.25
MAX 6.00 47.00 378.00 440.00 829.50 1089.00 1281.50 1187.00 822.50 567.00 204.50 30.00 5629.50
MIN 0.00 0.00 0.00 84.50 355.00 641.00 791.50 790.50 348.00 119.00 0.00 0.00 4049.57
NO YRS 66 66 66 65 65 65 65 65 64 64 65 65 63