REDFIELD, SOUTH DAKOTA

Monthly Total Growing Degree Days

(397052)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201104
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
1949 0.00 0.00 17.50 293.28 a 693.50 856.50 1063.00 1070.00 584.50 323.50 112.00 0.00 c 5013.78
1950 0.00 a 0.00 10.33 a 90.00 a 443.50 813.00 863.00 847.00 606.72 a 319.00 23.00 0.00 4015.56
1951 0.00 0.00 2.58 a 130.00 547.00 589.50 906.00 858.00 466.00 255.50 8.50 0.00 o 3763.08
1952 0.00 z 0.00 l 0.00 h 303.75 b 504.27 a 883.50 1002.85 a 912.50 720.54 b 191.50 22.00 0.00 d 4540.90
1953 0.00 c 0.00 45.47 a 105.50 512.02 a 844.50 971.00 1021.50 655.50 506.00 84.83 a 0.00 4746.31
1954 0.00 11.50 8.00 266.50 438.00 771.50 1104.00 981.50 643.50 244.00 106.15 d 0.00 4574.65
1955 0.00 0.00 32.50 431.00 704.45 b 748.00 1138.50 1110.83 a 662.50 375.74 b 6.00 0.00 a 5209.52
1956 0.00 a 0.00 18.50 87.50 567.82 a 950.50 951.00 919.00 584.50 449.50 a 31.50 0.50 4560.32
1957 0.00 a 0.00 b 6.00 239.48 a 483.00 734.50 1130.00 1006.00 560.50 302.00 9.83 a 4.13 a 4475.44
1958 0.00 28.00 15.50 210.00 665.43 b 692.00 909.00 1062.50 718.39 b 341.00 b 0.00 z 0.00 z 4641.82
1959 0.00 z 0.00 z 0.00 z 91.50 v 501.37 e 913.00 991.00 1050.50 584.50 150.50 3.10 a 0.00 4193.97
1960 0.00 0.00 0.00 205.50 507.76 b 712.50 d 1016.00 964.62 a 646.55 a 315.50 26.00 0.00 z 4394.43
1961 0.00 z 0.00 z 15.50 q 86.25 b 435.00 835.50 894.50 997.88 b 492.93 a 249.55 a 15.00 e 0.00 a 4006.61
1962 0.00 2.50 0.00 224.00 611.50 775.00 901.50 948.50 557.50 369.00 39.00 15.00 4443.50
1963 0.00 a 0.00 a 120.50 243.50 530.00 897.50 1055.00 980.00 732.00 569.00 28.00 0.00 5155.50
1964 0.00 0.00 5.00 297.50 639.00 870.00 1154.00 912.00 606.50 279.00 67.50 0.00 4830.50
1965 0.00 0.00 0.00 197.00 586.00 795.00 1043.50 977.50 357.50 385.00 40.50 2.00 4384.00
1966 0.00 0.00 104.00 107.50 497.00 843.00 1189.00 867.50 605.50 255.50 6.50 0.00 a 4475.50
1967 0.00 1.50 89.00 215.50 428.50 752.00 938.00 907.00 666.00 272.50 19.50 0.00 4289.50
1968 0.00 a 0.00 152.00 220.00 400.00 837.50 984.00 958.50 631.00 305.00 20.00 0.00 a 4508.00
1969 0.00 0.00 0.00 286.50 602.50 644.50 1000.00 1076.45 b 740.17 a 105.06 d 43.00 0.50 4498.68
1970 0.00 0.00 0.00 165.00 587.00 895.50 1052.50 1038.00 732.00 291.00 3.00 0.00 4764.00
1971 0.00 0.00 36.50 306.72 a 474.50 943.50 952.14 c 1079.46 c 626.50 378.50 15.50 0.00 a 4813.33
1972 0.00 0.00 15.00 164.00 605.02 a 802.50 b 929.00 993.50 404.00 m 158.58 e 6.00 0.00 e 3673.59
1973 0.00 0.00 26.00 162.86 b 415.40 a 822.22 c 1029.56 e 1092.46 d 527.00 389.50 15.00 0.00 c 4480.00
1974 0.00 0.00 c 8.00 l 195.50 431.86 b 756.50 1172.83 a 875.50 534.50 345.00 28.00 0.00 4339.70
1975 0.00 g 0.00 11.50 89.00 583.00 803.79 a 1135.12 a 979.00 528.00 322.00 90.00 0.00 e 4541.41
1976 0.00 b 22.50 70.00 295.50 491.50 912.00 1093.50 1100.50 630.00 184.97 a 18.00 0.00 a 4818.47
1977 0.00 4.50 38.50 362.00 798.00 854.50 1091.00 815.00 637.00 194.50 50.69 a 0.00 4845.69
1978 0.00 0.00 36.50 163.00 0.00 z 0.00 z 965.50 983.50 809.00 222.50 68.50 0.00 3248.50
1979 0.00 0.00 2.00 189.31 a 416.43 a 764.50 1015.00 872.81 b 709.14 a 211.12 b 0.00 h 0.00 4180.31
1980 0.00 0.00 a 4.13 a 260.00 579.00 771.11 c 1023.52 a 920.00 595.00 218.00 39.00 0.00 4409.76
1981 0.50 20.50 56.83 a 301.00 468.00 792.00 1049.57 c 963.00 658.00 253.00 102.00 0.00 4664.40
1982 0.00 3.00 20.00 202.50 575.50 655.50 1055.50 963.50 596.50 226.00 5.50 7.00 4310.50
1983 0.00 2.50 27.00 115.00 419.00 747.00 1095.50 1163.00 622.00 240.50 61.00 0.00 4492.50
1984 0.00 4.00 4.00 165.00 426.00 790.00 989.50 1016.00 465.00 301.50 28.50 0.00 4189.50
1985 0.00 0.50 39.50 334.00 683.00 676.00 991.50 782.00 516.00 198.00 12.00 0.00 4232.50
1986 0.00 0.00 82.00 179.50 543.50 855.50 1025.50 832.00 526.50 258.00 12.50 0.00 4315.00
1987 1.00 4.00 44.50 349.00 689.50 919.50 1114.00 896.00 648.00 166.00 73.50 0.00 4905.00
1988 0.00 4.00 49.00 206.50 717.00 1066.00 1111.50 1026.00 603.00 185.50 22.50 0.00 4991.00
1989 0.00 0.00 17.00 252.50 545.50 750.50 1108.00 1008.00 594.00 293.50 20.00 0.00 z 4589.00
1990 0.00 z 0.00 z 37.00 211.50 451.00 802.50 935.00 922.00 702.00 201.00 60.50 0.00 4322.50
1991 0.00 2.50 43.00 266.50 608.50 929.50 1005.00 1001.00 607.50 271.00 5.00 0.00 4739.50
1992 0.00 3.50 42.50 154.50 585.00 708.50 742.00 758.50 542.50 249.00 0.00 0.00 3786.00
1993 0.00 0.00 39.50 131.50 497.50 660.50 848.00 893.00 432.50 205.50 8.00 0.00 3716.00
1994 0.00 0.00 29.00 203.50 627.50 827.50 878.50 0.00 z 634.50 304.00 40.50 0.00 3545.00
1995 0.00 0.00 65.50 69.00 434.50 823.50 1003.50 1032.00 567.00 198.00 4.50 0.00 4197.50
1996 1.00 6.00 5.50 106.50 404.50 824.00 0.00 z 948.00 594.00 245.50 3.50 0.00 3138.50
1997 0.00 0.00 17.00 176.00 414.00 854.00 986.50 901.00 690.00 337.00 8.00 0.00 4383.50
1998 0.00 5.50 28.00 234.00 627.00 698.50 551.00 n 980.50 778.50 257.82 a 28.50 14.50 3652.82
1999 0.00 c 20.00 37.20 a 222.69 d 554.26 b 770.56 c 1044.59 c 913.98 a 471.00 e 80.50 l 56.50 j 2.00 h 4034.28
2000 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 19.50 f 0.00 e 0.00
2001 0.00 i 0.00 m 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
2002 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 22.50 0.00 22.50
2003 4.50 0.00 79.00 294.50 507.00 779.50 1041.00 1046.50 616.50 369.50 22.00 0.00 4760.00
2004 0.00 2.00 82.50 246.50 486.50 686.00 928.00 778.50 717.00 299.31 b 44.00 0.00 4270.31
2005 0.00 4.50 46.50 275.50 479.00 969.00 744.50 j 953.00 737.50 269.00 58.00 0.00 3792.00
2006 0.00 0.00 32.50 303.00 563.00 851.50 1162.50 1005.50 494.00 216.00 55.50 0.00 4683.50
2007 0.00 0.00 107.00 226.00 659.00 858.50 1079.50 934.00 657.00 295.50 46.50 0.00 4863.00
2008 0.00 0.00 4.50 136.50 428.50 745.50 1010.00 947.00 622.50 224.00 69.50 0.00 4188.00
2009 0.00 0.00 42.50 179.00 505.00 736.00 849.50 837.50 678.00 85.50 58.00 0.00 3971.00
2010 0.00 0.00 43.00 344.00 516.00 823.50 1031.00 1069.50 552.00 332.00 47.50 0.00 4758.50
2011 0.00 0.00 0.00 152.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 152.00
Period of Record Statistics
MEAN 0.13 2.73 35.51 214.08 536.10 804.93 1013.39 961.21 611.62 275.18 34.48 0.78 4529.98
S.D. 0.63 6.07 33.85 80.15 94.35 89.79 92.88 88.52 88.98 88.42 28.63 2.93 343.53
SKEW 6.27 2.84 1.32 0.25 0.54 0.16 -0.37 -0.18 -0.30 0.74 0.99 4.17 -0.27
MAX 4.50 28.00 152.00 431.00 798.00 1066.00 1189.00 1163.00 809.00 569.00 112.00 15.00 5209.52
MIN 0.00 0.00 0.00 69.00 400.00 589.50 742.00 758.50 357.50 85.50 0.00 0.00 3716.00
NO YRS 55 56 56 59 58 58 56 58 58 58 57 56 41