REDFIELD, SOUTH DAKOTA

Monthly Total Growing Degree Days

(397047)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197711
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
1897 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 131.50 o 17.00 0.00 17.00
1898 0.00 2.15 b 22.00 188.50 436.50 821.00 959.00 926.00 623.28 a 137.43 a 54.60 e 0.00 b 4170.46
1899 0.00 7.26 a 1.00 225.50 470.50 781.00 1039.50 967.50 521.00 249.00 50.50 0.00 d 4312.76
1900 4.59 d 0.00 35.00 346.50 650.50 830.50 943.50 1075.00 558.62 a 377.17 a 19.50 0.50 4841.38
1901 0.00 1.04 a 38.00 247.50 590.50 785.50 1136.50 952.50 506.00 295.57 b 14.00 0.00 a 4567.11
1902 0.00 0.00 64.07 a 127.50 570.50 608.50 943.50 831.50 450.00 220.00 23.50 0.00 3839.07
1903 0.00 0.00 4.02 d 171.00 521.00 739.50 912.00 828.50 495.50 297.71 b 62.00 0.00 4031.23
1904 0.00 0.00 7.50 107.50 491.00 718.00 856.00 845.50 550.50 357.00 55.50 0.00 3988.50
1905 0.00 a 1.04 a 93.50 170.50 356.00 667.76 a 864.00 968.20 c 692.00 215.50 49.00 0.00 4077.49
1906 0.00 3.11 a 3.00 262.00 504.50 682.00 896.50 880.00 554.00 g 257.00 15.00 0.00 a 3503.11
1907 0.00 0.50 69.50 56.00 247.00 691.50 893.00 880.00 478.50 193.50 22.00 0.00 a 3531.50
1908 0.50 0.00 10.50 288.50 452.00 397.50 k 947.50 832.00 799.50 254.50 67.50 0.00 3652.50
1909 0.00 e 0.00 a 11.00 76.50 480.00 802.50 887.00 587.50 m 602.00 227.50 71.00 0.00 3157.50
1910 0.00 f 0.00 220.50 358.50 412.50 752.07 a 893.12 b 795.50 562.50 453.50 0.00 z 0.00 a 4448.19
1911 0.00 a 0.00 d 65.00 223.00 608.63 a 737.00 g 627.00 i 811.37 e 625.56 c 211.00 0.00 0.00 2544.55
1912 0.00 a 0.00 10.50 250.50 569.50 727.00 1005.50 872.50 508.45 a 268.50 47.50 0.00 4259.95
1913 0.00 4.50 14.31 e 282.00 465.52 a 930.52 a 954.59 b 1079.50 700.50 237.50 73.00 0.00 4741.93
1914 0.00 c 0.00 a 28.50 236.50 530.00 825.00 1099.50 899.00 b 666.50 435.50 101.50 0.00 a 4822.00
1915 0.00 a 0.00 0.00 424.00 399.50 635.00 842.00 799.50 597.00 313.00 73.00 0.00 4083.00
1916 0.00 0.00 b 54.00 167.00 480.00 668.00 1198.00 937.00 547.00 193.50 32.50 4.00 4281.00
1917 0.00 0.00 a 6.50 71.50 433.00 691.00 1097.50 868.50 599.00 122.97 a 80.50 0.00 3970.47
1918 0.00 0.00 109.50 123.50 475.85 a 832.50 912.50 967.50 448.00 360.00 49.00 9.50 4287.85
1919 0.00 d 0.00 26.50 207.32 b 584.50 901.55 a 1105.31 b 1000.00 778.50 204.50 0.00 z 0.00 4808.18
1920 0.00 h 0.00 42.50 58.89 c 553.00 796.50 997.50 903.43 c 757.50 b 502.50 42.00 1.50 4655.32
1921 1.00 29.22 e 83.50 322.00 582.50 1068.50 1143.00 983.50 681.50 380.55 b 18.50 8.00 5301.77
1922 0.00 0.00 a 20.15 a 244.50 656.54 c 905.00 917.71 b 1092.50 814.66 a 338.00 40.86 a 0.00 5029.91
1923 0.00 b 0.00 12.00 230.00 562.50 883.00 1085.50 901.50 736.50 287.27 a 70.71 b 1.55 a 4770.53
1924 0.00 10.60 c 0.00 234.50 348.00 701.90 a 887.50 903.13 a 510.54 b 395.25 a 10.50 4.50 4006.41
1925 0.00 a 0.00 105.00 424.50 525.00 772.50 961.50 1080.50 789.64 b 95.50 22.00 0.00 4776.14
1926 0.00 6.50 64.00 317.68 b 778.00 826.50 1074.15 a 989.00 597.50 334.00 17.50 0.00 5004.83
1927 0.00 1.50 25.00 239.50 440.00 775.50 918.00 863.50 706.00 361.31 b 12.50 0.00 4342.81
1928 1.00 0.50 86.50 126.00 687.00 688.50 1022.00 988.00 578.00 311.03 a 34.14 a 0.00 a 4522.67
1929 0.00 0.00 56.83 a 242.50 482.50 812.50 1121.50 1054.00 a 564.50 342.50 4.82 b 0.00 4681.65
1930 0.00 27.50 17.00 309.50 460.00 847.22 c 1214.00 1123.00 691.50 319.50 57.50 0.00 5066.72
1931 12.00 6.00 24.00 310.50 492.00 1089.50 709.50 l 1037.98 a 878.00 406.50 91.50 0.00 4347.98
1932 0.00 b 13.46 a 18.00 303.50 664.50 926.50 1128.50 1038.50 658.00 212.00 47.59 a 4.50 5015.05
1933 0.00 5.50 46.50 132.00 i 541.50 1163.00 1111.00 957.50 827.50 277.50 27.50 1.00 4958.50
1934 6.20 a 1.50 46.50 248.00 0.00 z 955.50 1180.50 995.00 0.00 z 439.00 59.00 0.00 z 3931.20
1935 0.00 z 9.50 104.50 143.00 421.50 763.00 1258.00 1027.50 715.00 296.50 0.00 0.00 4738.50
1936 0.00 0.00 41.33 a 202.00 791.50 963.00 1335.50 1111.50 775.00 276.00 21.50 0.00 5517.33
1937 0.00 0.00 24.50 205.50 682.00 829.50 1186.00 1250.00 770.50 337.50 79.00 0.00 5364.50
1938 0.00 0.00 106.00 342.00 522.50 898.00 1108.50 1175.50 801.00 531.00 22.00 0.00 5506.50
1939 0.00 0.00 120.00 247.00 801.50 877.50 1165.50 1060.00 819.00 315.00 64.00 49.00 5518.50
1940 0.00 0.00 0.00 181.00 602.50 859.00 1207.97 a 971.50 823.00 498.00 24.50 0.00 a 5167.47
1941 0.00 0.00 13.95 a 336.00 730.50 885.00 1141.50 1090.50 720.00 340.50 49.00 21.00 5327.95
1942 4.50 0.00 24.50 384.50 445.00 799.50 1009.64 b 992.50 533.50 388.50 46.50 0.00 4628.64
1943 0.00 0.00 76.00 315.00 485.15 a 834.00 1136.00 1041.50 619.50 374.00 7.00 0.00 4888.15
1944 9.00 0.00 1.50 129.00 744.50 812.50 998.00 958.00 654.00 355.50 61.00 0.00 4723.00
1945 0.00 0.00 174.00 158.50 428.00 636.50 1010.50 985.50 625.50 318.00 27.50 0.00 4364.00
1946 0.00 0.00 178.00 418.50 457.50 865.50 1074.00 890.00 632.50 221.50 9.50 2.50 4749.50
1947 9.50 1.00 15.50 141.50 452.00 732.00 1040.00 1192.00 716.00 521.00 24.00 0.00 4844.50
1948 0.00 a 0.00 a 39.00 338.00 581.00 770.00 1075.50 995.50 807.50 277.50 43.50 3.50 4931.00
1949 0.00 0.00 1.00 282.50 650.50 868.50 1096.50 1088.50 542.07 a 285.50 82.00 0.00 a 4897.07
1950 0.00 0.00 7.50 79.00 435.50 823.50 913.50 868.50 631.55 a 346.50 19.50 3.10 a 4128.15
1951 0.00 4.00 1.50 136.00 562.50 643.45 a 961.50 909.00 506.00 253.00 12.00 0.00 3988.95
1952 0.00 0.00 0.00 300.50 549.22 a 936.00 1029.50 972.50 783.50 207.50 39.00 0.00 4817.72
1953 0.00 a 0.00 39.00 105.00 488.50 855.50 987.00 1016.00 675.50 498.50 79.00 0.00 4744.00
1954 0.00 13.00 6.50 247.00 422.50 772.50 1120.50 999.00 650.50 247.50 91.00 0.00 a 4570.00
1955 0.00 0.00 a 28.00 450.00 729.50 764.50 1161.00 1133.00 680.00 369.93 a 11.00 0.00 5326.93
1956 0.00 0.00 16.00 72.00 550.50 987.00 972.00 954.50 614.50 439.50 32.00 1.50 4639.50
1957 0.00 0.00 9.50 236.50 482.00 755.50 1126.00 1001.00 575.50 302.00 15.00 4.50 4507.50
1958 0.00 23.00 14.50 183.62 a 645.50 700.00 923.50 1079.50 742.00 356.50 51.00 0.00 4719.12
1959 0.00 0.00 43.50 224.00 551.50 987.50 1081.00 1141.32 a 657.00 152.50 5.50 0.50 4844.32
1960 0.00 0.00 0.00 214.50 542.50 753.50 1074.00 1005.50 682.00 343.00 25.00 0.00 4640.00
1961 0.00 0.00 57.00 121.50 470.50 894.00 987.00 1091.50 581.50 347.00 22.50 0.00 4572.50
1962 2.00 3.00 0.00 234.00 613.50 786.00 915.50 984.00 565.00 371.50 45.00 15.50 4535.00
1963 1.50 1.50 126.00 233.50 534.00 926.50 1079.50 1002.50 750.50 575.50 37.50 0.00 5268.50
1964 0.00 0.00 5.50 280.50 647.50 884.00 1182.50 919.00 611.50 306.00 67.50 0.00 4904.00
1965 0.00 0.00 0.00 192.00 587.00 802.00 1071.50 1009.00 365.50 372.00 42.50 0.00 4441.50
1966 0.00 0.00 82.50 109.00 496.50 850.00 1201.00 863.00 598.00 266.00 2.50 0.00 4468.50
1967 0.00 0.00 89.00 209.50 450.50 772.00 946.50 922.50 671.00 276.00 24.50 0.00 4361.50
1968 0.00 0.00 145.50 210.00 393.00 825.00 979.00 938.50 619.00 278.50 18.50 0.00 4407.00
1969 0.00 0.00 0.00 295.00 615.50 645.50 985.50 1038.00 709.00 145.00 34.50 0.50 4468.50
1970 0.00 0.00 0.00 162.00 597.50 905.50 1083.00 1030.50 674.00 269.50 5.00 0.00 4727.00
1971 0.00 0.00 33.50 295.00 505.50 933.00 918.00 1022.50 617.00 330.00 15.50 0.00 4670.00
1972 0.00 0.00 11.50 161.00 612.00 801.00 932.50 980.00 647.00 231.00 4.00 0.00 4380.00
1973 0.00 0.00 47.50 214.00 530.50 849.50 1033.50 1130.50 574.00 414.50 23.00 0.00 4817.00
1974 0.00 a 2.50 36.17 a 266.00 485.00 790.00 1198.50 898.50 567.00 365.50 18.50 0.00 4627.67
1975 0.00 0.00 17.00 122.50 594.00 811.00 1178.00 1029.00 550.50 362.50 103.00 0.00 4767.50
1976 0.00 13.50 72.50 313.00 555.00 914.50 1121.00 1139.50 693.00 209.50 15.00 0.00 5046.50
1977 0.00 4.00 57.50 415.00 806.50 878.00 1136.50 871.50 668.00 245.00 51.00 0.00 z 5133.00
Period of Record Statistics
MEAN 0.67 2.46 42.61 229.47 541.16 819.78 1042.18 983.64 645.06 313.77 38.05 1.73 4649.13
S.D. 2.20 5.78 46.33 93.99 109.28 106.19 110.19 98.37 104.47 96.94 26.08 6.32 428.87
SKEW 3.70 3.14 1.59 0.22 0.39 0.49 0.18 0.22 -0.02 0.31 0.61 5.93 -0.05
MAX 12.00 29.22 220.50 450.00 806.50 1163.00 1335.50 1250.00 878.00 575.50 103.00 49.00 5518.50
MIN 0.00 0.00 0.00 56.00 247.00 608.50 842.00 795.50 365.50 95.50 0.00 0.00 3531.50
NO YRS 77 80 80 79 79 78 78 79 78 80 79 79 68