REDFIELD, SOUTH DAKOTA

Monthly Total Growing Degree Days

(397047)

Base Temperature = 50 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 45.50 o 0.00 0.00 0.00
1898 0.00 0.00 b 2.00 44.50 168.00 521.00 649.00 616.00 341.90 a 31.52 a 6.00 e 0.00 b 2379.91
1899 0.00 0.00 a 0.00 76.00 215.00 481.00 729.50 657.50 234.00 29.50 0.00 0.00 d 2422.50
1900 0.00 d 0.00 0.00 149.50 357.00 530.50 633.50 765.00 297.93 a 114.18 a 2.00 0.00 2849.61
1901 0.00 0.00 a 0.00 99.50 299.50 490.00 826.50 642.50 240.00 71.09 b 0.50 0.00 a 2669.59
1902 0.00 0.00 1.55 a 25.00 268.50 310.50 633.50 521.50 170.00 25.50 0.50 0.00 1956.55
1903 0.00 0.00 0.00 d 22.00 232.50 439.50 602.00 518.50 255.50 76.97 b 9.50 0.00 2156.47
1904 0.00 0.00 0.00 28.00 201.50 418.00 546.00 535.50 272.50 136.50 0.00 0.00 2138.00
1905 0.00 a 0.00 a 14.00 47.00 124.00 375.00 a 554.00 658.20 c 392.00 96.00 0.00 0.00 2260.20
1906 0.00 0.00 a 0.00 81.50 258.50 382.00 586.50 570.00 329.00 g 97.00 0.00 0.00 a 1975.50
1907 0.00 0.00 20.00 5.50 77.00 396.50 583.00 570.00 204.00 43.50 0.00 0.00 a 1899.50
1908 0.00 0.00 0.00 125.50 195.00 208.50 k 637.50 522.00 527.00 111.00 1.50 0.00 2119.50
1909 0.00 e 0.00 a 0.00 10.50 218.00 502.50 577.00 407.50 m 303.00 108.50 12.50 0.00 1732.00
1910 0.00 f 0.00 71.50 150.50 143.00 452.07 a 583.12 b 485.50 287.00 209.50 0.00 z 0.00 a 2382.19
1911 0.00 a 0.00 d 3.50 69.00 329.63 a 507.00 g 407.00 i 501.37 e 333.89 c 46.00 0.00 0.00 1283.39
1912 0.00 a 0.00 0.00 70.00 266.00 427.00 695.50 562.50 291.72 a 79.50 2.00 0.00 2394.22
1913 0.00 0.00 0.00 e 106.50 213.38 a 630.52 a 644.59 b 769.50 440.50 87.00 9.00 0.00 2900.99
1914 0.00 c 0.00 a 5.00 101.50 266.50 525.00 789.50 589.53 b 366.50 213.00 17.50 0.00 a 2874.03
1915 0.00 a 0.00 0.00 209.50 157.00 342.50 532.00 489.50 314.00 79.00 11.00 0.00 2134.50
1916 0.00 0.00 b 8.50 30.50 233.00 368.00 888.00 628.50 299.00 42.00 0.00 0.00 2497.50
1917 0.00 0.00 a 0.00 7.50 177.50 392.50 787.50 558.50 305.50 26.35 a 2.00 0.00 2257.35
1918 0.00 0.00 14.50 21.00 211.83 a 533.00 602.50 657.50 186.00 145.50 3.00 0.00 2374.83
1919 0.00 d 0.00 0.00 53.04 b 301.50 602.59 a 795.31 b 690.00 485.50 77.00 0.00 z 0.00 3004.93
1920 0.00 h 0.00 0.50 0.00 c 247.00 496.50 687.50 593.43 c 466.07 b 238.00 1.50 0.00 2730.50
1921 0.00 0.00 e 16.00 106.50 308.00 768.50 833.00 673.50 381.50 113.31 b 0.00 0.00 3200.31
1922 0.00 0.00 a 0.00 a 47.50 347.09 c 605.00 607.71 b 782.50 514.66 a 125.50 7.24 a 0.00 3037.19
1923 0.00 b 0.00 0.00 85.50 270.00 583.00 775.50 591.50 436.50 106.95 a 4.29 b 0.00 a 2853.24
1924 0.00 0.00 c 0.00 71.50 105.50 405.00 a 577.50 593.13 a 221.25 b 119.35 a 0.00 0.00 2093.23
1925 0.00 a 0.00 17.50 156.50 263.00 472.50 651.50 770.50 491.25 b 15.50 0.00 0.00 2838.25
1926 0.00 0.00 11.50 124.82 b 471.50 526.50 764.15 a 679.00 325.50 108.50 0.00 0.00 3011.47
1927 0.00 0.00 3.00 71.50 154.50 477.00 608.00 553.50 438.50 103.69 b 0.00 0.00 2409.69
1928 0.00 0.00 17.00 39.50 377.00 388.50 712.00 678.00 302.50 134.85 a 1.55 a 0.00 a 2650.90
1929 0.00 0.00 1.03 a 62.00 248.00 512.50 811.50 744.00 a 280.50 118.00 0.00 b 0.00 2777.53
1930 0.00 0.00 0.00 96.50 186.50 547.22 c 904.00 813.00 407.00 143.50 0.00 0.00 3097.72
1931 0.00 0.00 0.00 133.00 258.50 789.50 519.50 l 727.98 a 581.00 151.50 9.00 0.00 2650.48
1932 0.00 b 0.00 a 0.00 84.00 360.00 626.50 818.50 728.50 358.00 67.00 0.00 a 0.00 3042.50
1933 0.00 0.00 7.00 31.50 i 265.00 863.00 801.00 647.50 527.50 83.50 0.00 0.00 3194.50
1934 0.00 a 0.00 3.00 85.50 0.00 z 655.50 870.50 685.00 0.00 z 193.50 5.00 0.00 z 2498.00
1935 0.00 z 0.00 16.50 34.00 154.50 467.50 948.00 717.50 425.00 103.00 0.00 0.00 2866.00
1936 0.00 0.00 0.00 a 62.50 487.00 663.00 1025.50 801.50 479.00 84.00 0.00 0.00 3602.50
1937 0.00 0.00 1.00 48.50 373.50 529.50 876.00 940.00 475.50 125.00 13.00 0.00 3382.00
1938 0.00 0.00 7.00 141.00 232.00 598.00 798.50 865.50 504.00 261.00 2.00 0.00 3409.00
1939 0.00 0.00 44.50 97.50 493.00 577.50 855.50 750.00 541.00 110.00 0.00 0.00 3469.00
1940 0.00 0.00 0.00 51.50 302.50 559.00 897.97 a 661.50 529.00 211.50 0.00 0.00 a 3212.97
1941 0.00 0.00 0.00 a 127.50 430.00 585.00 831.50 780.50 440.00 90.50 2.00 4.00 3291.00
1942 0.00 0.00 0.00 170.50 186.50 499.50 699.64 b 682.50 297.50 185.50 1.50 0.00 2723.14
1943 0.00 0.00 21.50 100.00 224.75 a 538.00 826.00 731.50 319.50 145.00 0.00 0.00 2906.25
1944 0.00 0.00 0.00 11.00 466.00 512.50 688.00 648.00 354.00 107.00 9.50 0.00 2796.00
1945 0.00 0.00 42.50 26.50 176.50 347.50 700.50 675.50 346.50 104.00 0.00 0.00 2419.50
1946 0.00 0.00 50.00 177.50 184.50 569.50 764.00 580.00 338.00 60.00 0.00 0.00 2723.50
1947 0.00 0.00 0.00 47.00 171.50 432.00 730.00 882.00 428.50 272.50 0.00 0.00 2963.50
1948 0.00 a 0.00 a 5.00 121.00 275.00 470.00 765.50 685.50 507.50 64.50 1.00 0.00 2895.00
1949 0.00 0.00 0.00 93.50 348.50 568.50 786.50 778.50 258.10 a 83.00 0.50 0.00 a 2917.10
1950 0.00 0.00 0.00 6.50 194.00 523.50 603.50 558.50 334.66 a 115.50 0.00 0.00 a 2336.16
1951 0.00 0.00 0.00 58.50 264.00 346.55 a 651.50 599.00 241.50 105.00 0.00 0.00 2266.05
1952 0.00 0.00 0.00 128.00 253.68 a 636.00 719.50 662.50 483.50 39.00 1.00 0.00 2923.18
1953 0.00 a 0.00 0.50 30.00 237.00 555.50 677.00 706.00 378.00 250.50 10.00 0.00 2844.50
1954 0.00 0.00 0.00 62.50 192.00 472.50 810.50 689.00 354.50 75.50 8.50 0.00 a 2665.00
1955 0.00 0.00 a 0.50 179.50 422.50 464.50 851.00 823.00 400.00 152.93 a 0.00 0.00 3293.93
1956 0.00 0.00 0.00 5.00 284.00 687.00 662.00 644.50 325.00 180.50 0.00 0.00 2788.00
1957 0.00 0.00 0.00 83.00 191.50 455.50 816.00 691.00 281.50 105.00 0.00 0.00 2623.50
1958 0.00 0.00 0.00 36.21 a 339.50 400.00 613.50 769.50 451.00 147.00 0.00 0.00 2756.71
1959 0.00 0.00 1.00 62.50 263.50 687.50 771.00 831.32 a 380.00 19.00 0.00 0.00 3015.82
1960 0.00 0.00 0.00 66.00 256.50 453.50 764.00 695.50 391.00 124.00 0.50 0.00 2751.00
1961 0.00 0.00 15.00 31.00 200.50 594.00 677.00 781.50 304.50 132.00 5.00 0.00 2740.50
1962 0.00 0.00 0.00 74.50 303.50 487.00 605.50 674.00 271.00 132.00 1.50 0.50 2549.50
1963 0.00 0.00 40.00 63.00 248.50 626.50 769.50 692.50 450.50 304.50 0.00 0.00 3195.00
1964 0.00 0.00 0.00 90.00 339.50 584.00 872.50 609.00 320.00 89.50 4.50 0.00 2909.00
1965 0.00 0.00 0.00 50.00 290.50 502.00 761.50 699.00 138.00 104.50 4.50 0.00 2550.00
1966 0.00 0.00 7.50 19.50 244.00 550.00 891.00 553.00 304.00 68.50 0.00 0.00 2637.50
1967 0.00 0.00 25.00 51.50 214.00 472.00 636.50 612.50 380.00 94.00 0.00 0.00 2485.50
1968 0.00 0.00 35.50 48.50 137.50 525.00 669.00 628.50 319.00 73.50 0.00 0.00 2436.50
1969 0.00 0.00 0.00 92.00 313.50 351.00 675.50 728.00 409.00 32.50 2.50 0.00 2604.00
1970 0.00 0.00 0.00 50.00 297.00 605.50 773.00 720.50 394.00 90.50 0.00 0.00 2930.50
1971 0.00 0.00 0.00 113.00 208.00 633.00 608.00 712.50 334.00 91.50 0.00 0.00 2700.00
1972 0.00 0.00 0.00 11.50 320.00 501.00 622.50 670.00 359.50 77.50 0.00 0.00 2562.00
1973 0.00 0.00 0.00 58.00 241.00 549.50 723.50 820.50 282.50 161.00 2.50 0.00 2838.50
1974 0.00 a 0.00 1.03 a 88.50 199.50 490.00 888.50 588.50 291.00 120.00 0.00 0.00 2667.03
1975 0.00 0.00 0.00 25.50 288.00 511.00 868.00 719.00 258.50 144.50 20.50 0.00 2835.00
1976 0.00 0.00 9.50 89.50 281.50 614.50 811.00 829.50 409.50 77.00 0.00 0.00 3122.00
1977 0.00 0.00 5.00 181.00 496.50 578.00 826.50 561.50 368.00 37.50 6.50 0.00 z 3060.50
Period of Record Statistics
MEAN 0.00 0.00 6.82 74.20 263.32 520.63 732.18 673.67 360.72 111.50 2.56 0.06 2734.04
S.D. 0.00 0.00 13.48 48.14 90.12 105.25 110.19 98.35 95.82 59.94 4.33 0.45 368.10
SKEW 0.00 0.00 2.66 0.67 0.73 0.52 0.18 0.22 0.15 1.01 2.09 8.53 -0.02
MAX 0.00 0.00 71.50 209.50 496.50 863.00 1025.50 940.00 581.00 304.50 20.50 4.00 3602.50
MIN 0.00 0.00 0.00 0.00 77.00 310.50 532.00 485.50 138.00 15.50 0.00 0.00 1899.50
NO YRS 77 80 80 79 79 78 78 79 78 80 79 79 68