MELLETTE 4 W, SOUTH DAKOTA

Monthly Total Growing Degree Days

(395456)

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 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 z 0.00 z 0.00
1894 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 z 0.00 z 0.00
1895 0.00 z 0.00 z 0.00 z 0.00 z 322.00 n 735.50 693.00 i 1004.73 c 796.73 d 0.00 z 0.00 z 0.00 z 2536.96
1896 0.00 z 0.00 z 0.00 z 0.00 z 617.00 817.00 1062.00 1040.00 636.67 c 204.08 a 0.00 0.00 4376.75
1897 0.00 0.00 3.50 187.00 572.50 787.00 1020.50 811.50 860.50 326.00 23.50 0.00 4592.00
1898 0.00 0.00 17.50 233.50 526.50 894.00 1057.00 967.50 659.00 149.12 b 0.00 z 0.00 z 4504.12
1899 0.00 z 4.31 b 0.00 220.86 a 529.00 803.50 1056.07 a 786.50 f 512.00 208.00 29.00 g 0.00 a 3333.74
1900 0.00 0.00 a 14.50 330.00 638.50 839.50 955.00 1087.50 623.57 b 406.00 26.00 0.00 4920.57
1901 0.00 0.00 31.00 343.00 645.50 237.50 s 1186.94 e 222.00 x 562.00 351.00 26.50 0.00 3145.94
1902 1.55 a 1.50 67.50 165.00 594.00 648.00 956.00 840.50 516.00 255.00 30.00 0.00 4075.05
1903 0.00 b 0.00 17.00 215.00 552.00 745.50 887.00 839.00 524.50 337.90 a 56.50 0.00 4174.40
1904 0.00 0.00 5.50 121.50 513.00 723.00 852.00 847.00 571.00 358.05 a 86.11 c 0.00 a 4077.16
1905 0.00 z 3.00 l 91.00 155.50 398.72 b 688.97 a 879.22 b 970.30 a 721.55 a 230.00 56.67 c 0.00 e 4191.93
1906 0.00 1.08 b 8.00 0.00 z 564.00 742.00 908.00 848.50 706.50 280.50 16.00 0.00 4074.58
1907 0.00 3.50 53.00 61.00 295.53 a 709.50 894.50 945.50 d 477.50 227.50 24.00 0.00 3691.53
1908 2.00 0.00 19.00 329.00 450.50 690.00 932.50 795.15 a 775.50 291.00 72.50 0.00 4357.15
1909 0.00 f 0.00 4.65 a 85.50 492.50 814.66 a 920.18 a 1066.50 645.52 a 316.56 e 103.50 0.00 4449.56
1910 0.00 a 0.00 a 240.52 b 380.00 391.50 832.24 a 1005.00 857.67 a 598.50 449.00 3.00 0.00 4757.43
1911 0.00 0.00 94.03 a 256.50 635.00 976.50 925.50 817.00 611.00 214.00 0.00 a 0.00 4529.53
1912 0.00 a 0.00 14.50 280.50 570.00 724.00 957.00 827.50 488.79 a 320.50 18.00 0.00 4200.79
1913 0.00 4.50 21.50 314.00 441.50 912.00 907.00 1024.50 671.00 265.00 50.50 0.00 4611.50
1914 0.00 0.00 29.50 247.50 523.90 a 802.00 1054.50 859.50 658.97 a 403.00 73.50 0.00 4652.37
1915 0.00 0.00 0.00 419.00 383.00 615.50 784.00 778.50 573.00 330.15 a 58.97 a 0.00 b 3942.12
1916 0.00 0.00 53.00 179.50 490.00 635.00 1186.00 884.50 542.00 190.50 49.50 0.50 4210.50
1917 0.00 0.00 7.50 85.00 424.50 711.50 1042.00 878.50 601.50 147.00 103.50 0.00 4001.00
1918 0.00 4.00 130.00 156.50 569.50 818.00 926.50 966.50 453.50 373.50 48.00 2.50 4448.50
1919 0.00 0.00 14.00 184.00 506.50 850.00 1029.00 930.50 726.21 a 180.00 0.00 0.00 4420.21
1920 0.00 0.00 a 34.50 54.00 492.38 a 768.50 934.00 881.43 a 682.50 468.00 12.00 0.00 4327.32
1921 1.00 23.50 69.50 281.00 541.50 1016.00 1074.00 960.00 618.50 329.00 12.00 6.50 4932.50
1922 0.00 0.00 7.00 206.50 602.50 836.50 935.00 1048.50 732.00 0.00 z 0.00 z 0.00 4368.00
1923 0.00 0.00 6.00 202.00 557.50 845.00 1056.07 a 874.50 701.50 285.50 65.50 1.50 4595.07
1924 0.00 6.50 0.00 194.50 312.00 675.00 884.50 869.00 530.00 475.00 18.50 2.50 3967.50
1925 0.00 0.00 96.50 378.50 493.42 a 754.50 940.00 1029.20 a 740.00 63.50 15.50 0.00 4511.12
1926 0.00 2.50 56.00 296.00 749.50 777.93 a 1041.00 914.50 537.00 282.62 a 9.00 0.00 4666.05
1927 1.00 1.00 22.00 215.50 409.00 734.50 866.50 824.00 657.50 349.50 8.50 0.00 4089.00
1928 1.00 0.00 65.50 116.50 644.50 647.50 957.50 927.93 a 529.50 289.33 a 25.00 0.00 a 4204.27
1929 0.00 0.00 47.00 217.00 445.00 783.62 a 1070.50 993.00 512.50 314.00 1.00 0.00 4383.62
1930 0.00 26.50 15.00 308.00 472.50 791.00 1155.00 1059.00 613.50 291.92 a 49.00 0.00 4781.42
1931 6.00 3.00 18.50 281.00 493.50 998.00 1163.00 991.00 827.50 398.50 89.50 0.00 5269.50
1932 0.00 4.50 13.50 292.00 615.87 a 886.00 1067.43 a 977.53 a 602.00 188.50 33.50 3.50 4684.33
1933 0.00 4.15 a 42.50 205.50 525.50 1132.00 1122.50 948.50 803.00 261.50 34.00 0.00 5079.15
1934 3.00 2.00 42.00 235.00 910.50 905.50 1138.00 976.50 500.50 414.00 66.21 a 0.00 f 5193.21
1935 0.00 d 3.00 67.00 144.50 396.50 722.00 1174.50 974.00 687.00 269.50 0.00 0.00 4438.00
1936 0.00 0.00 22.22 a 173.00 690.50 921.50 1352.50 1109.00 755.50 253.00 4.50 0.00 5281.72
1937 0.00 a 0.00 18.50 170.00 606.00 763.45 a 1133.50 1195.50 709.00 301.50 76.00 0.00 4973.45
1938 0.00 0.00 105.00 313.50 492.00 886.50 1054.52 a 1128.50 721.50 498.00 19.50 0.00 5219.02
1939 0.00 0.00 104.50 222.50 757.00 805.00 1101.00 1009.00 739.50 255.00 28.00 23.50 5045.00
1940 0.00 a 0.00 0.00 149.50 534.50 807.00 1153.00 931.50 790.50 449.00 16.00 0.00 4831.00
1941 0.00 0.00 16.53 a 300.00 687.50 796.50 1048.50 1043.50 673.00 287.50 27.00 17.05 a 4897.08
1942 0.00 0.00 19.63 a 360.50 410.50 738.50 931.50 949.50 507.00 354.50 29.50 0.00 4301.13
1943 0.00 2.69 b 61.00 276.00 412.09 b 760.00 1070.50 968.75 a 545.50 332.50 1.55 a 0.00 4430.58
1944 4.50 0.00 1.50 125.00 702.50 772.00 964.62 a 951.50 609.50 339.45 a 57.00 0.00 4527.57
1945 0.00 0.00 157.00 163.00 406.00 584.48 a 992.00 973.00 597.00 302.50 19.00 0.00 4193.98
1946 0.00 0.00 169.47 a 409.50 0.00 z 624.50 i 996.00 856.50 594.00 197.50 6.72 a 0.00 3229.69
1947 3.50 0.00 15.50 128.00 416.00 706.55 a 980.12 a 1188.50 679.00 483.50 22.00 0.00 a 4622.67
1948 0.00 0.00 28.50 350.00 557.00 748.00 1031.50 1004.00 806.00 263.00 40.00 2.00 4830.00
1949 1.00 0.00 3.00 281.00 635.00 874.50 1114.50 1086.50 553.50 301.00 87.00 0.00 4937.00
1950 0.00 0.00 8.50 83.50 428.00 825.00 a 907.27 a 841.00 621.00 337.00 25.50 0.00 a 4076.77
1951 0.00 2.50 0.50 150.50 565.00 621.00 949.00 896.00 516.72 a 257.50 11.50 1.50 3971.72
1952 0.00 0.00 a 0.00 309.50 575.00 954.50 1045.00 983.00 777.50 217.50 43.45 a 0.00 4905.45
1953 0.00 0.00 a 42.50 111.00 484.50 847.00 967.09 c 0.00 z 644.00 477.00 78.50 0.00 3651.59
1954 0.00 8.00 7.00 248.00 423.50 767.00 1108.25 a 975.50 631.00 239.50 98.00 0.00 4505.75
1955 0.00 0.00 25.50 426.50 698.50 755.00 1163.00 1102.50 639.50 362.50 13.50 0.00 5186.50
1956 0.00 0.00 19.00 80.00 561.00 982.50 960.50 931.00 620.69 a 459.32 a 29.00 4.00 4647.01
1957 0.00 0.00 9.00 236.00 487.00 728.50 1121.00 1002.00 561.50 309.50 10.86 a 0.00 4465.36
1958 0.00 35.00 14.50 201.00 642.50 683.50 902.00 1047.00 704.00 336.00 45.00 0.00 4610.50
1959 0.00 0.00 a 43.50 238.00 548.00 965.00 1076.50 1117.00 662.00 154.00 4.00 0.50 4808.50
1960 0.00 0.00 0.00 214.50 526.00 726.50 1051.50 1009.00 650.50 331.50 23.00 0.00 4532.50
1961 0.00 0.00 55.00 119.50 439.50 868.50 959.00 1066.00 531.00 313.00 23.00 0.00 4374.50
1962 4.00 1.50 0.00 228.50 603.00 758.00 882.00 948.00 551.50 353.00 37.50 12.00 4379.00
1963 0.00 0.00 129.00 234.00 497.50 883.00 1021.00 973.50 707.50 534.50 30.50 0.00 5010.50
1964 0.00 0.00 4.50 267.00 620.00 847.50 1132.50 892.50 583.50 286.00 56.50 0.00 4690.00
1965 0.00 0.00 0.00 168.00 560.00 766.00 1030.00 953.00 331.00 357.00 39.00 0.00 4204.00
1966 0.00 0.00 86.00 100.50 472.50 815.00 1126.00 822.50 539.00 259.50 6.00 0.00 4227.00
1967 0.00 a 0.00 b 92.50 183.50 440.50 706.50 897.97 a 910.50 632.50 272.50 20.50 0.00 4156.97
1968 0.00 0.00 141.50 210.00 409.00 830.50 963.00 943.50 615.50 292.00 21.00 0.00 z 4426.00
1969 0.00 z 0.00 z 0.00 z 0.00 z 428.50 k 639.00 982.50 1077.77 a 300.00 r 0.00 z 27.50 2.00 2728.77
1970 0.00 0.00 0.00 a 148.50 561.00 888.50 1058.50 1005.50 664.14 a 251.50 3.00 0.00 a 4580.64
1971 0.00 0.00 27.00 289.00 476.50 917.00 879.22 b 1014.00 604.50 308.50 11.00 0.00 b 4526.72
1972 0.00 0.00 9.76 d 0.00 z 588.48 a 780.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 1378.74
1973 0.00 0.00 37.95 b 0.00 z 514.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 552.45
1974 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 618.00 f 1169.73 a 873.50 512.50 309.00 19.00 0.00 2883.73
1975 0.00 0.00 16.00 105.52 a 503.00 774.00 1148.55 a 983.00 529.50 289.50 107.00 0.00 4456.07
1976 0.00 9.50 64.07 a 246.72 a 496.00 872.00 1090.17 a 1095.50 616.00 188.50 13.45 a 0.00 4691.91
1977 0.00 a 5.50 30.48 a 353.00 752.00 211.00 w 1050.56 d 761.00 572.50 187.00 48.50 0.00 3760.54
1978 0.00 a 0.00 23.50 138.00 536.30 a 746.90 a 910.50 932.67 b 691.00 171.53 a 48.00 0.00 4198.40
1979 0.00 0.00 0.00 144.50 372.50 771.43 b 966.96 e 845.00 659.00 206.31 b 0.00 z 0.00 z 3965.70
1980 0.00 z 0.00 j 6.72 a 270.00 b 643.00 829.50 1013.50 908.09 b 572.07 a 191.17 a 42.50 0.00 4476.54
1981 2.00 24.00 57.50 314.00 473.27 a 741.50 1024.50 938.00 585.00 200.50 70.50 0.00 4430.77
1982 0.00 3.00 8.00 170.50 530.50 627.50 0.00 z 938.00 542.50 178.00 2.00 2.00 3002.00
1983 0.00 4.50 18.50 92.00 350.00 742.00 1062.00 1141.00 588.50 208.00 31.50 0.00 4238.00
1984 0.00 3.00 6.00 155.50 448.50 773.50 982.00 985.00 428.50 285.50 18.00 0.00 4085.50
1985 0.00 0.00 26.00 309.00 657.50 659.00 955.00 787.00 458.00 178.50 7.50 0.00 4037.50
1986 0.00 c 0.00 78.50 171.00 558.00 870.50 1021.50 804.50 508.50 258.00 11.50 0.00 4282.00
1987 0.00 0.00 36.50 353.00 668.50 908.00 1098.50 879.50 619.50 157.50 59.50 0.00 4780.50
1988 0.00 0.00 30.00 169.00 702.50 1058.00 1086.50 1012.00 572.50 179.00 15.50 0.00 4825.00
1989 0.00 0.00 14.50 219.00 546.00 730.00 1117.00 999.50 560.50 272.50 18.50 0.00 4477.50
1990 2.00 0.00 42.50 229.50 468.50 810.50 922.50 926.00 694.50 199.00 55.50 0.50 4351.00
1991 0.00 1.50 40.00 269.00 620.50 925.50 989.00 987.50 592.50 243.00 4.50 0.00 4673.00
1992 0.00 3.00 38.00 154.50 609.50 713.50 729.00 757.00 545.00 249.00 0.00 0.00 3798.50
1993 0.00 0.00 37.50 125.00 491.50 659.00 849.00 878.50 411.00 205.50 5.50 0.00 3662.50
1994 0.00 0.00 21.00 194.00 652.00 843.00 872.00 831.50 628.50 281.00 30.50 0.00 4353.50
1995 0.00 0.00 53.00 69.50 425.50 849.00 975.50 1000.50 561.50 179.00 3.00 1.00 4117.50
1996 0.00 1.50 6.00 105.00 403.00 829.50 885.50 948.00 571.50 230.00 4.00 0.00 3984.00
1997 0.00 0.00 3.00 163.50 417.50 868.00 975.50 901.00 661.00 329.00 8.50 0.00 4327.00
1998 2.50 4.50 21.00 232.50 630.00 700.00 1022.00 959.50 754.50 244.00 23.00 11.00 4604.50
1999 0.00 10.00 54.00 198.50 575.50 792.00 1041.50 921.73 a 495.50 193.50 86.50 0.00 4368.73
2000 0.00 10.50 103.50 175.00 568.50 757.50 980.00 924.50 598.50 322.40 a 38.00 0.00 4478.40
2001 0.00 0.00 0.00 195.00 590.55 a 810.00 1075.00 1001.00 631.50 221.00 153.00 0.00 4677.05
2002 0.00 0.00 4.00 182.50 374.00 932.50 1116.00 922.00 666.00 100.50 17.00 0.00 4314.50
2003 0.00 0.00 o 58.50 268.50 465.00 754.00 991.00 1026.00 593.50 342.00 17.78 c 0.00 4516.28
2004 0.00 0.00 62.50 226.73 d 438.50 640.50 873.00 732.50 678.50 249.00 30.50 0.00 3931.73
2005 0.00 1.00 31.50 245.00 449.00 849.50 1006.00 888.00 730.50 264.00 55.80 e 0.00 a 4520.30
2006 0.00 0.00 28.50 278.00 517.50 827.50 1129.00 967.00 482.00 202.00 50.00 0.00 4481.50
2007 0.00 0.00 82.50 198.00 640.50 839.50 1038.50 874.50 605.00 268.50 42.00 0.00 4589.00
2008 0.00 0.00 3.50 98.50 394.00 709.00 973.50 901.50 582.00 195.50 58.00 0.00 3915.50
2009 0.00 0.00 38.50 152.00 462.50 690.00 814.50 805.50 668.50 77.00 43.00 0.00 3751.50
2010 0.00 0.00 36.50 298.00 505.50 814.00 991.50 1040.00 557.50 300.00 36.50 0.00 4579.50
2011 0.00 0.00 0.00 118.00 415.00 732.50 1095.00 934.00 532.00 325.50 20.50 0.00 4172.50
2012 5.00 0.00 211.50 237.50 562.00 868.50 1146.50 820.50 566.00 163.50 10.50 0.00 4591.50
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 0.36 2.02 38.67 215.04 529.19 794.93 1011.03 945.79 614.61 280.22 33.91 0.84 4461.32
S.D. 1.08 5.42 44.19 84.48 104.29 98.58 100.51 94.82 94.08 90.40 28.89 3.19 356.43
SKEW 3.38 4.12 2.07 0.33 0.48 0.52 0.10 0.17 0.11 0.42 1.28 5.16 0.08
MAX 6.00 35.00 240.52 426.50 910.50 1132.00 1352.50 1195.50 860.50 534.50 153.00 23.50 5281.72
MIN 0.00 0.00 0.00 54.00 295.53 584.48 729.00 732.50 331.00 63.50 0.00 0.00 3662.50
NO YRS 111 112 114 111 114 113 114 113 115 113 111 112 96