IPSWICH, SOUTH DAKOTA

Monthly Total Growing Degree Days

(394206)

Base Temperature = 50 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
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 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
1896 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
1897 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 206.50 q 535.50 109.50 1.00 0.00 646.00
1898 0.00 f 0.00 0.00 31.50 162.00 474.50 654.50 569.50 264.50 43.50 4.14 a 0.00 z 2204.14
1899 0.00 w 0.00 a 0.00 63.00 197.00 455.00 674.50 191.50 t 231.00 25.32 a 0.00 0.00 1645.82
1900 0.00 0.00 0.00 127.50 373.50 532.50 699.00 787.50 283.00 69.50 0.00 0.00 b 2872.50
1901 0.00 0.00 0.00 104.50 333.50 507.50 861.00 700.50 270.00 65.00 0.00 b 0.00 2842.00
1902 0.00 0.00 0.00 30.00 337.00 356.67 c 654.50 536.50 145.50 22.00 0.00 0.00 2082.17
1903 0.00 0.00 0.00 a 21.50 226.00 249.00 n 586.50 505.50 204.00 46.50 3.50 0.00 1593.50
1904 0.00 0.00 e 0.00 28.50 191.00 154.00 o 504.00 499.00 239.00 94.00 0.00 0.00 1555.50
1905 0.00 0.00 3.50 35.00 113.50 373.00 535.50 630.00 335.00 74.50 0.00 0.00 2100.00
1906 0.00 0.00 0.00 67.00 215.00 419.44 c 568.00 555.50 393.50 77.50 0.00 0.00 h 2295.94
1907 0.00 0.00 10.00 5.50 76.00 452.00 600.50 604.50 b 32.50 q 59.50 0.00 a 0.00 1808.00
1908 0.00 f 0.00 n 0.00 a 114.31 a 156.60 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 270.91
1909 0.00 m 0.00 a 0.00 0.00 195.30 a 462.00 576.50 687.17 a 323.50 87.00 15.50 0.00 2346.97
1910 0.00 a 0.00 49.50 88.97 a 104.50 492.50 711.50 170.50 u 174.50 h 191.00 0.00 z 0.00 1637.97
1911 0.00 a 0.00 1.19 e 67.50 298.50 303.00 n 597.50 494.97 a 261.50 30.50 0.00 e 0.00 b 1751.66
1912 0.00 0.00 i 0.00 61.50 195.50 416.00 625.68 a 572.50 221.50 67.00 0.00 0.00 a 2159.68
1913 0.00 0.00 0.00 a 112.50 196.16 b 580.50 564.72 a 723.16 b 375.50 0.00 z 0.00 c 0.00 2552.53
1914 0.00 a 0.00 0.00 93.50 240.50 459.00 753.00 533.20 a 363.00 142.50 6.11 c 0.00 2590.81
1915 0.00 0.00 0.00 165.52 a 127.50 284.50 451.00 462.42 a 237.86 b 48.10 b 0.00 0.00 1776.89
1916 0.00 0.00 0.00 13.00 193.23 a 305.00 803.50 565.00 0.00 z 19.00 5.00 0.00 1903.73
1917 0.00 0.00 0.00 1.50 105.00 345.00 686.00 524.50 263.50 43.50 6.50 0.00 1975.50
1918 0.00 0.00 10.50 21.00 236.00 471.43 b 600.50 604.00 173.00 125.50 7.50 0.00 d 2249.43
1919 0.00 0.00 0.00 37.50 202.50 517.00 682.53 b 592.62 a 347.68 b 32.11 c 0.00 0.00 2411.94
1920 0.00 0.00 0.00 0.00 a 197.00 405.50 609.50 0.00 z 0.00 z 84.50 f 0.00 0.00 1212.00
1921 0.00 0.00 6.50 72.50 230.50 657.00 688.50 614.50 282.50 57.50 0.00 0.00 2609.50
1922 0.00 0.00 0.00 22.00 252.13 a 484.00 577.50 727.50 389.50 101.50 0.00 0.00 2554.13
1923 0.00 0.00 0.00 57.50 228.00 480.00 704.00 509.50 375.50 96.00 2.00 0.00 a 2452.50
1924 0.00 0.00 0.00 33.00 79.50 337.00 543.00 536.50 237.50 111.60 a 0.00 0.00 1878.10
1925 0.00 0.00 b 15.00 103.00 216.00 405.50 621.00 690.02 b 431.00 2.50 0.00 0.00 b 2484.02
1926 0.00 0.00 12.50 112.00 400.50 447.00 718.50 581.00 247.24 a 69.50 0.00 0.00 2588.24
1927 0.00 0.00 0.00 43.00 87.00 399.00 546.00 509.00 371.00 83.50 0.00 0.00 d 2038.50
1928 0.00 z 0.00 w 16.00 24.50 329.12 a 337.00 656.68 a 575.00 245.50 92.00 0.00 0.00 2275.80
1929 0.00 c 0.00 a 0.00 32.00 178.25 a 445.50 784.82 a 695.50 206.50 91.00 0.00 0.00 a 2433.57
1930 0.00 0.00 a 0.00 9.00 y 0.00 z 0.00 z 0.00 z 0.00 z 221.50 g 92.00 0.00 0.00 z 92.00
1931 0.00 0.00 0.00 108.50 243.50 675.00 808.00 677.00 545.50 138.00 13.50 0.00 a 3209.00
1932 0.00 d 0.00 b 0.00 c 66.00 311.50 565.86 a 726.00 335.00 n 316.55 a 75.43 a 0.00 0.00 a 2061.35
1933 0.00 a 0.00 0.52 a 66.72 a 0.00 z 305.50 u 838.00 665.00 486.00 54.50 1.50 0.00 2112.24
1934 0.00 b 0.00 d 3.50 87.50 591.00 627.00 801.87 a 686.00 233.00 168.50 0.00 0.00 3198.37
1935 0.00 0.00 2.00 28.50 112.50 442.76 a 867.00 650.50 355.00 70.50 0.00 0.00 2528.76
1936 0.00 0.00 0.00 31.00 395.80 c 606.11 c 837.50 f 783.00 417.50 83.00 0.00 0.00 2316.41
1937 0.00 a 0.00 0.00 10.00 292.50 518.33 c 798.50 845.00 379.50 97.00 0.00 0.00 2940.83
1938 0.00 b 0.00 a 3.00 98.00 175.00 548.28 a 772.50 800.50 429.50 185.50 0.00 a 0.00 3012.28
1939 0.00 0.00 42.00 79.50 450.50 464.50 808.00 697.00 507.50 82.50 1.00 0.00 3132.50
1940 0.00 0.00 0.00 28.00 223.50 540.50 817.50 628.02 b 471.00 194.50 0.00 0.00 2903.02
1941 0.00 0.00 0.00 85.50 428.50 528.50 456.50 m 730.05 a 388.50 55.00 0.56 c 0.00 a 2216.61
1942 0.00 a 0.00 1.66 c 196.00 183.00 469.00 677.50 705.00 327.50 204.50 2.00 0.00 2766.16
1943 0.00 0.00 19.00 118.00 226.50 509.50 812.50 724.00 324.50 130.50 0.00 a 0.00 2864.50
1944 0.00 0.00 0.00 z 9.50 446.50 524.48 a 670.00 620.50 353.08 d 0.00 z 0.00 z 0.00 d 2624.06
1945 0.00 0.00 45.00 31.00 165.33 d 272.50 j 0.00 z 680.00 0.00 z 0.00 z 0.00 x 0.00 921.33
1946 0.00 b 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
1947 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
1948 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
1949 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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 449.50 570.50 648.00 244.50 122.00 0.00 0.00 2034.50
1963 0.00 0.00 41.00 48.00 198.50 585.50 692.50 636.50 375.50 258.50 0.00 0.00 2836.00
1964 0.00 0.00 0.00 67.50 279.50 492.50 729.00 532.00 243.00 60.50 0.00 0.00 2404.00
1965 0.00 0.00 0.00 35.00 240.50 460.50 690.00 627.50 86.00 92.00 4.00 0.00 2235.50
1966 0.00 0.00 12.92 a 8.00 216.50 504.50 807.00 518.00 274.50 65.00 0.00 0.00 2406.42
1967 0.00 0.00 17.50 21.50 196.00 416.00 589.50 607.00 349.00 74.00 0.00 0.00 2270.50
1968 0.00 0.00 12.00 60.00 128.00 478.00 622.00 592.50 300.00 53.00 0.00 0.00 2245.50
1969 0.00 0.00 a 0.00 65.50 303.50 326.00 640.50 746.50 392.50 35.00 0.00 0.00 2509.50
1970 0.00 0.00 0.00 42.50 265.00 603.50 753.00 741.00 417.00 94.00 0.00 d 0.00 q 2916.00
1971 0.00 0.00 1.11 c 96.00 151.00 581.00 558.00 694.00 327.00 62.00 0.00 0.00 2470.11
1972 0.00 0.00 0.00 6.00 310.50 479.50 600.00 696.50 338.50 79.00 0.00 0.00 2510.00
1973 0.00 0.00 0.00 48.00 243.50 531.50 723.50 807.50 281.00 137.00 0.00 0.00 2772.00
1974 0.00 0.00 0.00 66.50 186.50 484.00 843.50 560.00 279.50 91.50 0.00 0.00 2511.50
1975 0.00 0.00 0.00 b 18.50 269.00 502.50 808.50 633.50 245.50 108.00 32.00 0.00 a 2617.50
1976 0.00 0.00 0.00 35.00 h 213.00 538.00 718.50 749.00 343.00 73.50 0.00 0.00 a 2635.00
1977 0.00 0.00 0.55 c 147.50 409.50 523.50 676.00 474.00 298.50 23.50 2.00 0.00 2555.05
1978 0.00 0.00 0.00 19.50 236.50 473.00 634.50 603.00 438.00 62.00 10.50 0.00 a 2477.00
1979 0.00 0.00 0.00 31.00 135.50 437.14 b 609.00 520.00 415.50 38.50 0.00 0.00 b 2186.64
1980 0.00 b 0.00 0.00 120.50 332.00 542.50 704.00 590.00 326.00 89.00 4.66 a 0.00 d 2708.66
1981 0.00 0.00 a 3.00 100.86 a 212.50 468.00 735.50 671.00 362.50 42.50 0.00 0.00 a 2595.86
1982 0.00 0.00 0.00 52.00 200.00 307.00 717.50 634.50 255.50 18.00 0.00 0.00 a 2184.50
1983 0.00 0.00 0.00 14.44 c 146.00 439.50 737.50 777.50 303.00 18.08 a 0.00 0.00 2436.03
1984 0.00 0.00 z 0.00 z 5.50 166.50 476.50 679.50 729.00 188.00 83.00 0.00 0.00 2328.00
1985 0.00 0.00 0.00 84.00 268.15 a 283.00 726.50 515.50 235.50 18.00 0.00 0.00 2130.65
1986 0.00 0.00 27.90 a 28.50 222.50 498.50 648.00 519.50 200.00 74.50 0.00 b 0.00 2219.40
1987 0.00 0.00 0.00 173.00 401.50 629.00 773.00 551.50 318.50 44.50 4.50 0.00 2895.50
1988 0.00 0.00 0.00 59.00 399.50 757.00 809.50 698.50 280.50 50.00 0.00 0.00 3054.00
1989 0.00 0.00 0.00 77.00 250.00 429.00 770.00 633.00 311.50 96.50 0.00 0.00 2567.00
1990 0.00 0.00 0.00 95.50 180.50 498.00 589.50 625.50 410.00 43.50 7.00 0.00 2449.50
1991 0.00 0.00 0.00 77.50 365.50 576.50 630.50 652.00 327.50 106.00 0.00 0.00 2735.50
1992 0.00 0.00 2.50 64.00 294.00 390.00 411.00 437.00 252.50 104.00 0.00 0.00 1955.00
1993 0.00 0.00 4.50 13.50 202.50 354.50 497.00 537.50 161.50 58.50 0.00 0.00 1829.50
1994 0.00 a 0.00 0.00 56.00 344.50 505.50 552.00 475.50 330.50 66.50 0.00 0.00 2330.50
1995 0.00 0.00 0.00 0.00 136.00 488.50 648.00 679.50 292.00 48.00 0.00 0.00 2292.00
1996 0.00 0.00 0.00 12.50 168.00 473.50 540.50 590.50 247.50 63.00 0.00 0.00 b 2095.50
1997 0.00 0.00 0.00 6.50 152.00 499.00 632.50 573.00 360.50 145.70 a 0.00 0.00 2369.20
1998 0.00 b 0.00 0.00 68.00 295.00 362.50 672.00 647.50 407.00 21.00 0.00 0.00 2473.00
1999 0.00 0.00 4.50 30.00 214.00 441.00 670.00 609.50 173.50 40.50 9.50 0.00 2192.50
2000 0.00 0.00 3.00 39.50 250.00 434.00 639.00 590.50 0.00 z 73.50 2.00 0.00 2031.50
2001 0.00 0.00 0.00 84.50 271.50 473.00 706.50 653.00 313.50 0.00 z 9.00 0.00 2511.00
2002 0.00 0.00 0.00 48.00 162.00 595.50 764.50 560.50 349.50 8.00 0.00 0.00 2488.00
2003 0.00 0.00 6.00 61.50 164.50 427.00 658.00 686.00 301.50 170.50 0.00 0.00 2475.00
2004 0.00 0.00 2.00 44.50 181.00 346.00 557.00 423.00 343.00 66.00 3.50 0.00 1966.00
2005 0.00 0.00 2.50 80.00 206.00 535.00 687.00 571.00 420.50 79.50 3.50 0.00 2585.00
2006 0.00 0.00 1.50 81.50 267.50 542.00 824.50 667.50 227.00 73.50 15.50 0.00 2700.50
2007 0.00 0.00 9.50 76.00 318.50 542.00 738.00 558.50 335.00 62.00 0.00 0.00 a 2639.50
2008 0.00 0.00 0.00 23.50 145.00 412.50 673.50 606.00 276.00 40.00 4.00 0.00 2180.50
2009 0.00 0.00 0.00 34.00 197.50 386.50 519.50 486.50 365.00 2.00 0.00 0.00 1991.00
2010 0.00 0.00 8.00 62.00 246.50 495.50 675.50 729.00 235.50 105.00 2.50 0.00 2559.50
2011 0.00 0.00 0.00 17.00 160.50 457.00 781.00 617.00 271.00 136.50 0.00 0.00 2440.00
2012 0.00 0.00 62.00 64.50 253.00 558.50 789.00 552.00 303.62 a 27.00 0.00 0.00 2609.62
2013 0.00 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
Period of Record Statistics
MEAN 0.00 0.00 4.78 56.98 236.21 476.20 677.23 620.57 314.37 78.86 1.92 0.00 2473.96
S.D. 0.00 0.00 11.41 40.94 92.70 87.68 97.71 90.61 85.96 47.36 4.57 0.00 327.25
SKEW 0.00 0.00 3.21 0.90 0.98 0.17 -0.18 0.14 0.24 1.14 3.93 0.00 0.09
MAX 0.00 0.00 62.00 196.00 591.00 757.00 867.00 845.00 545.50 258.50 32.00 0.00 3209.00
MIN 0.00 0.00 0.00 0.00 76.00 283.00 411.00 423.00 86.00 2.00 0.00 0.00 1776.89
NO YRS 95 95 97 96 96 92 94 93 92 94 96 95 71