REDFIELD, SOUTH DAKOTA

Monthly Total Growing Degree Days

(397052)

Base Temperature = 50 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 0.00 102.41 a 385.50 556.50 753.00 760.00 295.50 100.50 1.00 0.00 c 2954.41
1950 0.00 a 0.00 0.00 a 9.83 a 205.50 513.00 553.00 537.00 317.59 a 100.00 2.00 0.00 2237.91
1951 0.00 0.00 0.00 a 58.00 255.50 310.00 596.00 548.00 208.50 108.00 0.00 0.00 o 2084.00
1952 0.00 z 0.00 l 0.00 h 126.43 b 221.13 a 583.50 692.85 a 602.50 427.50 b 33.50 0.00 0.00 d 2687.41
1953 0.00 c 0.00 0.00 a 29.50 255.23 a 546.50 661.00 711.50 359.50 256.00 10.34 a 0.00 2829.58
1954 0.00 0.00 0.00 75.50 213.00 474.50 794.00 671.50 349.00 71.50 9.23 d 0.00 2658.23
1955 0.00 0.00 3.00 164.50 399.79 b 448.00 828.50 800.83 a 393.00 155.00 b 0.00 0.00 a 3192.63
1956 0.00 a 0.00 0.00 6.00 284.68 a 650.50 641.00 609.00 299.00 192.72 a 0.00 0.00 2682.90
1957 0.00 a 0.00 b 0.00 81.72 a 199.00 434.50 820.00 696.00 269.50 108.00 0.00 a 0.00 a 2608.72
1958 0.00 4.50 0.00 54.50 357.57 b 392.00 599.00 752.50 428.04 b 150.19 b 0.00 z 0.00 z 2738.29
1959 0.00 z 0.00 z 0.00 z 25.00 v 219.98 e 613.00 681.00 740.50 316.00 20.50 0.00 a 0.00 2590.98
1960 0.00 0.00 0.00 61.50 222.34 b 412.50 d 706.00 654.62 a 356.90 a 112.50 0.00 0.00 z 2526.36
1961 0.00 z 0.00 z 0.00 q 16.61 b 181.00 535.50 584.50 687.88 b 236.90 a 78.02 a 2.40 e 0.00 a 2322.80
1962 0.00 0.00 0.00 69.00 302.00 477.50 591.50 638.50 265.50 128.00 0.00 0.00 2472.00
1963 0.00 a 0.00 a 27.50 69.00 243.00 597.50 745.00 670.00 432.00 296.50 0.00 0.00 3080.50
1964 0.00 0.00 0.00 98.50 332.00 570.00 844.00 602.00 316.00 69.50 5.00 0.00 2837.00
1965 0.00 0.00 0.00 53.50 288.50 495.00 733.50 667.50 134.00 118.50 3.00 0.00 2493.50
1966 0.00 0.00 15.00 19.00 243.00 543.00 879.00 557.50 314.50 68.50 0.00 0.00 a 2639.50
1967 0.00 0.00 22.00 54.00 199.00 452.00 628.00 597.00 376.50 93.00 0.00 0.00 2421.50
1968 0.00 a 0.00 34.50 51.00 151.00 538.00 674.00 648.50 331.00 87.50 0.00 0.00 a 2515.50
1969 0.00 0.00 0.00 79.50 304.00 346.00 690.00 766.45 b 440.17 a 10.91 d 3.50 0.00 2640.53
1970 0.00 0.00 0.00 51.50 293.50 595.50 742.50 728.00 447.50 105.50 0.00 0.00 2964.00
1971 0.00 0.00 0.00 122.07 a 181.50 643.50 642.14 c 769.46 c 342.50 114.00 0.00 0.00 a 2815.18
1972 0.00 0.00 0.00 9.50 314.13 a 502.50 b 619.00 683.50 234.00 m 32.79 e 0.00 0.00 e 2161.42
1973 0.00 0.00 0.00 44.46 b 158.10 a 522.22 c 719.56 e 782.46 d 245.00 148.50 0.00 0.00 c 2620.31
1974 0.00 0.00 c 0.00 l 52.50 158.74 b 456.50 862.83 a 565.50 265.50 112.50 7.00 0.00 2481.07
1975 0.00 g 0.00 0.00 11.50 284.00 503.79 a 825.12 a 669.00 241.00 128.50 16.00 0.00 e 2678.91
1976 0.00 b 0.00 11.50 83.50 229.00 612.00 783.50 790.50 358.00 68.72 a 0.00 0.00 a 2936.72
1977 0.00 0.00 2.50 149.50 488.00 554.50 781.00 505.00 337.00 33.50 5.17 a 0.00 2856.17
1978 0.00 0.00 4.00 28.50 0.00 z 0.00 z 655.50 673.50 511.00 57.50 10.50 0.00 1940.50
1979 0.00 0.00 0.00 71.38 a 179.80 a 464.50 705.00 562.81 b 411.21 a 46.50 b 0.00 h 0.00 2441.20
1980 0.00 0.00 a 0.00 a 93.50 310.00 471.11 c 713.52 a 610.00 300.50 90.50 0.00 0.00 2589.13
1981 0.00 0.00 0.00 a 106.50 187.50 492.00 739.57 c 653.00 364.00 68.00 11.00 0.00 2621.57
1982 0.00 0.00 0.00 51.00 269.00 356.50 745.50 653.50 307.50 43.00 0.00 0.00 2426.00
1983 0.00 0.00 0.00 24.00 142.50 447.00 785.50 853.00 356.50 47.50 4.00 0.00 2660.00
1984 0.00 0.00 0.00 12.00 182.50 490.00 679.50 706.00 235.50 136.00 4.50 0.00 2446.00
1985 0.00 0.00 2.00 135.00 375.50 383.50 681.50 472.00 277.50 18.00 0.00 0.00 2345.00
1986 0.00 0.00 24.00 31.50 247.50 555.50 715.50 522.00 230.00 68.00 0.00 0.00 2394.00
1987 0.00 0.00 2.00 136.00 392.50 619.50 804.00 586.00 352.50 42.50 12.50 0.00 2947.50
1988 0.00 0.00 7.50 69.00 409.00 766.00 801.50 716.00 307.00 37.00 0.00 0.00 3113.00
1989 0.00 0.00 0.00 99.50 274.50 451.50 798.00 698.00 331.50 119.00 0.00 0.00 z 2772.00
1990 0.00 z 0.00 z 2.00 103.00 178.50 503.00 625.00 612.00 417.00 61.50 16.00 0.00 2518.00
1991 0.00 0.00 5.00 89.50 362.50 629.50 695.00 691.00 339.00 90.00 0.00 0.00 2901.50
1992 0.00 0.00 1.00 42.50 303.00 408.50 432.00 448.50 257.50 90.50 0.00 0.00 1983.50
1993 0.00 0.00 7.00 21.00 216.00 362.00 538.00 583.00 171.00 50.00 0.00 0.00 1948.00
1994 0.00 0.00 3.00 57.50 349.00 527.50 568.50 0.00 z 341.50 74.50 0.00 0.00 1921.50
1995 0.00 0.00 1.00 0.00 156.00 523.50 693.50 722.00 309.00 42.00 0.00 0.00 2447.00
1996 0.00 0.00 0.00 29.00 177.50 524.00 0.00 z 638.00 306.50 81.50 0.00 0.00 1756.50
1997 0.00 0.00 0.00 21.00 161.00 554.00 676.50 591.00 402.50 151.00 0.00 0.00 2557.00
1998 0.00 0.00 0.00 63.50 320.50 403.50 381.00 n 670.50 483.50 47.02 a 0.00 0.00 1988.52
1999 0.00 c 0.00 0.52 a 49.04 d 253.34 b 470.56 c 734.59 c 603.98 a 183.60 e 5.50 l 6.50 j 0.00 h 2295.63
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 4.00 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 0.00 0.00 0.00
2003 0.00 0.00 7.00 111.50 212.00 479.50 731.00 736.50 353.00 162.00 2.50 0.00 2795.00
2004 0.00 0.00 19.00 69.00 226.50 386.00 618.00 468.50 420.00 91.40 b 2.00 0.00 2300.40
2005 0.00 0.00 8.00 78.50 237.00 669.00 534.50 j 643.00 447.50 79.50 3.50 0.00 2166.00
2006 0.00 0.00 4.00 106.00 273.00 551.50 852.50 695.50 225.00 93.50 11.50 0.00 2812.50
2007 0.00 0.00 13.00 76.50 352.00 558.50 769.50 624.00 364.00 74.50 4.50 0.00 2836.50
2008 0.00 0.00 0.00 27.00 159.50 445.50 700.00 637.00 322.50 44.00 10.50 0.00 2346.00
2009 0.00 0.00 0.50 47.00 228.50 440.00 539.50 527.50 385.00 10.50 0.50 0.00 2179.00
2010 0.00 0.00 9.50 105.50 271.50 523.50 721.00 759.50 255.50 102.50 0.00 0.00 2748.50
2011 0.00 0.00 0.00 24.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 24.50
Period of Record Statistics
MEAN 0.00 0.08 4.21 64.13 258.23 505.80 703.39 651.21 328.82 90.04 2.77 0.00 2630.58
S.D. 0.00 0.60 7.75 39.27 77.97 88.48 92.87 88.52 78.86 54.11 4.45 0.00 287.72
SKEW 0.00 7.28 2.25 0.45 0.65 0.23 -0.37 -0.18 -0.08 1.43 1.59 0.00 -0.31
MAX 0.00 4.50 34.50 164.50 488.00 766.00 879.00 853.00 511.00 296.50 16.00 0.00 3192.63
MIN 0.00 0.00 0.00 0.00 142.50 310.00 432.00 448.50 134.00 10.50 0.00 0.00 1948.00
NO YRS 55 56 56 59 58 58 56 58 58 58 57 56 41