BROOKINGS 2 NE, SOUTH DAKOTA

Monthly Total Growing Degree Days

(391076)

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
1893 0.00 a 0.00 0.00 z 0.00 z 132.00 583.00 684.50 582.80 a 440.00 75.50 11.50 0.00 2509.30
1894 0.00 a 0.00 7.50 55.00 235.50 539.50 660.00 543.50 275.50 27.50 0.00 0.00 2344.00
1895 0.00 0.00 0.50 146.00 243.00 424.00 589.50 575.50 397.76 a 54.00 0.00 0.00 2430.26
1896 0.00 0.00 0.00 88.00 313.50 455.50 612.00 476.62 c 51.50 j 14.47 a 0.00 0.00 1960.09
1897 0.00 0.00 0.00 a 51.50 231.00 427.50 658.75 c 409.50 498.00 138.98 a 0.00 a 0.00 2415.23
1898 0.00 0.00 0.00 52.50 171.50 489.00 630.50 609.50 334.66 a 34.00 0.00 0.00 2321.66
1899 0.00 a 0.00 0.00 75.00 207.50 446.50 594.00 600.50 246.50 73.50 3.50 0.00 2247.00
1900 0.00 a 0.00 0.50 135.50 329.12 a 482.50 563.50 747.50 213.50 q 168.50 1.00 0.00 2428.12
1901 0.00 0.00 0.00 98.50 244.00 480.52 a 815.00 632.00 254.50 78.00 0.00 0.00 2602.52
1902 0.00 0.00 4.00 30.00 271.50 309.50 606.00 467.50 164.50 55.00 3.00 0.00 a 1911.00
1903 0.00 0.00 0.00 30.50 232.50 a 368.50 525.50 471.00 242.07 a 51.50 5.00 0.00 1926.57
1904 0.00 0.00 0.00 17.50 179.50 370.00 470.50 462.50 288.50 98.00 2.50 0.00 1889.00
1905 0.00 0.00 a 4.00 37.50 108.00 414.50 497.55 a 625.00 381.50 98.00 0.00 0.00 2166.05
1906 0.00 0.00 0.00 58.00 238.00 364.00 510.50 603.50 374.00 88.00 2.50 0.00 2238.50
1907 0.00 0.00 24.00 0.52 a 76.00 439.50 593.00 595.50 270.00 57.50 0.00 0.00 2056.02
1908 0.00 0.00 1.00 128.50 215.50 401.50 610.50 508.00 537.00 115.50 1.00 0.00 2518.50
1909 0.00 0.00 0.00 11.00 218.00 473.50 608.63 a 741.50 310.00 114.50 22.00 0.00 d 2499.13
1910 0.00 u 0.00 d 79.00 161.50 136.00 499.00 660.50 532.50 318.50 203.50 0.00 0.00 2590.50
1911 0.00 0.00 8.00 38.50 390.00 699.00 644.00 505.50 332.00 36.50 0.00 a 0.00 2653.50
1912 0.00 0.00 0.00 56.00 225.00 370.50 628.50 513.50 267.00 89.90 a 0.00 0.00 2150.40
1913 0.00 0.00 0.00 b 106.50 183.50 576.00 602.95 a 682.50 383.79 a 0.00 z 3.50 0.00 2538.74
1914 0.00 0.00 0.00 71.38 a 277.40 b 525.00 748.50 567.50 338.50 174.63 a 6.00 0.00 2708.91
1915 0.00 0.00 0.00 a 219.50 133.50 336.50 461.00 435.00 274.82 b 94.00 7.00 0.00 1961.32
1916 0.00 0.00 0.00 26.00 228.00 338.50 867.50 631.00 329.00 83.50 15.50 0.00 2519.00
1917 0.00 0.00 0.50 13.00 116.25 a 363.00 672.00 498.00 268.97 a 22.50 8.50 0.00 1962.72
1918 0.00 0.00 a 18.50 11.00 331.00 519.50 626.50 663.92 a 187.24 a 164.50 13.00 0.00 2535.16
1919 0.00 0.00 a 4.50 25.50 234.00 558.50 732.00 577.50 397.24 a 60.00 0.00 0.00 2589.24
1920 0.00 0.00 8.50 0.00 231.00 487.50 645.00 534.00 420.00 228.00 0.00 a 0.00 2554.00
1921 0.00 0.00 19.50 87.00 291.50 642.00 744.00 610.70 a 347.00 84.73 a 0.00 0.00 2826.43
1922 0.00 0.00 0.00 b 30.00 295.50 585.00 567.00 698.00 454.00 146.00 1.00 0.00 2776.50
1923 0.00 0.00 0.00 67.24 a 269.50 564.50 747.00 530.88 c 367.22 c 77.00 1.00 0.00 2624.34
1924 0.00 a 0.00 0.00 77.07 a 85.50 389.00 551.50 569.50 234.00 176.18 a 0.00 0.00 2082.75
1925 0.00 0.00 15.00 145.50 231.00 454.50 603.50 331.00 o 503.50 0.50 0.00 0.00 1953.50
1926 0.00 0.00 4.00 102.41 a 456.00 422.00 687.68 a 645.32 a 296.50 99.00 0.00 0.00 2712.91
1927 0.00 0.00 3.50 70.18 b 146.50 436.00 570.40 a 478.50 447.00 130.50 0.00 0.00 2282.58
1928 0.00 0.00 22.50 26.50 321.37 a 354.50 672.50 638.00 295.50 133.50 0.00 0.00 2464.37
1929 0.00 a 0.00 0.00 57.00 223.00 472.00 713.50 660.00 234.00 90.50 0.00 0.00 2450.00
1930 0.00 0.00 4.50 107.00 254.50 486.50 825.12 a 741.42 a 351.00 137.00 1.50 0.00 2908.53
1931 0.00 0.00 0.00 125.17 a 267.50 719.00 807.00 664.50 541.50 150.50 15.00 0.00 3290.17
1932 0.00 a 0.00 0.00 49.00 330.00 595.50 758.50 653.58 a 331.50 76.00 0.00 0.00 2794.08
1933 0.00 0.00 a 0.00 64.00 266.00 821.38 a 818.92 a 623.00 502.00 82.50 4.50 0.00 3182.30
1934 0.00 0.00 0.00 87.50 615.50 646.50 802.00 625.50 240.50 197.50 5.00 0.00 a 3220.00
1935 0.00 0.00 11.00 48.00 132.00 423.50 895.00 684.50 397.00 79.00 0.00 0.00 2670.00
1936 0.00 0.00 0.00 53.50 403.50 547.50 990.00 784.50 462.50 88.00 0.00 0.00 3329.50
1937 0.00 0.00 0.00 32.50 317.00 464.50 795.50 864.00 398.50 81.50 0.50 0.00 2954.00
1938 0.00 0.00 5.50 114.00 198.50 539.50 760.50 795.00 459.50 274.50 21.50 0.00 3168.50
1939 0.00 0.00 41.50 88.00 462.50 574.00 847.00 686.50 550.18 b 82.67 a 0.00 0.00 3332.35
1940 0.00 0.00 a 0.00 32.00 232.00 530.50 795.50 617.50 493.50 203.00 3.00 0.00 2907.00
1941 0.00 0.00 0.00 102.00 402.50 511.50 735.00 742.50 422.50 93.50 2.50 0.50 3012.50
1942 0.00 0.00 0.50 150.50 181.00 454.00 638.50 620.00 a 278.50 143.00 0.00 0.00 2466.00
1943 0.00 0.00 34.00 57.00 185.50 529.50 717.50 657.50 238.50 111.00 0.00 0.00 2530.50
1944 0.00 0.00 0.00 12.50 401.00 537.00 624.50 594.00 321.50 75.50 12.00 0.00 2578.00
1945 0.00 0.00 33.00 31.00 146.00 330.00 624.50 640.50 277.50 88.00 0.00 0.00 2170.50
1946 0.00 0.00 40.50 130.86 a 175.00 535.50 678.00 535.00 305.50 72.50 0.00 0.00 2472.86
1947 0.00 0.00 0.00 38.50 134.33 a 412.00 655.00 838.50 435.00 253.50 0.00 0.00 2766.83
1948 0.00 0.00 6.00 129.00 226.00 443.00 699.50 661.00 440.00 c 63.50 6.00 0.00 a 2674.00
1949 0.00 0.00 0.00 80.00 359.50 578.28 a 777.00 725.50 252.00 113.84 b 7.00 0.00 2893.12
1950 0.00 0.00 0.00 9.31 a 188.00 515.00 538.00 478.50 369.31 a 182.50 2.50 0.00 2283.12
1951 0.00 0.00 0.00 a 53.50 284.00 353.00 576.50 524.42 a 166.00 99.41 b 0.00 0.00 2056.83
1952 0.00 0.00 0.00 113.00 226.00 583.00 659.00 565.00 359.00 23.00 0.00 0.00 2528.00
1953 0.00 0.00 b 0.00 21.50 242.50 540.50 632.00 642.50 297.00 194.50 7.50 0.00 b 2578.00
1954 0.00 0.00 0.00 b 69.83 a 162.00 496.00 722.50 577.00 290.50 43.50 5.00 0.00 2366.33
1955 0.00 0.00 0.00 126.72 a 342.50 394.50 834.86 b 727.50 358.45 a 122.93 b 0.00 0.00 b 2907.47
1956 0.00 0.00 0.00 a 6.50 282.00 655.00 553.00 551.00 267.50 202.00 1.50 0.00 2518.50
1957 0.00 0.00 a 0.00 a 79.50 166.00 387.50 800.00 588.00 213.00 84.00 0.00 0.00 2318.00
1958 0.00 a 0.00 0.00 39.83 a 330.50 357.50 561.00 663.00 350.89 b 165.00 0.50 0.00 2468.22
1959 0.00 0.00 0.00 47.00 266.50 580.00 657.00 765.50 346.61 b 21.50 0.00 0.00 b 2684.11
1960 0.00 0.00 0.00 a 77.78 c 214.50 411.11 c 645.50 604.50 319.00 90.33 b 0.00 e 0.00 2362.72
1961 0.00 0.00 6.50 25.50 167.00 487.00 582.00 640.50 249.11 b 81.50 0.00 0.00 2239.11
1962 0.00 0.00 c 0.00 d 72.50 297.00 450.58 d 558.50 566.00 208.00 125.00 0.50 3.00 2281.08
1963 0.00 0.00 31.50 85.50 232.50 589.50 649.00 583.50 355.00 234.00 0.00 0.00 a 2760.50
1964 0.00 0.00 0.00 b 78.50 298.50 497.00 726.00 502.50 230.69 a 61.00 12.50 0.00 2406.69
1965 0.00 0.00 0.00 c 26.00 243.50 452.50 610.00 533.00 101.00 84.50 1.50 0.00 2052.00
1966 0.00 0.00 7.20 c 12.00 171.50 467.50 776.00 504.00 267.50 59.00 0.00 0.00 2264.70
1967 0.00 0.00 24.80 a 39.00 152.00 418.00 540.50 491.50 264.50 90.00 0.00 0.00 2020.30
1968 0.00 0.00 26.00 40.00 121.00 483.50 569.50 537.50 219.50 65.50 3.00 0.00 a 2065.50
1969 0.00 c 0.00 b 0.00 28.00 259.00 277.00 607.00 611.00 297.50 33.00 0.00 0.00 2112.50
1970 0.00 0.00 0.00 59.00 238.00 504.00 650.00 572.50 278.28 a 66.00 0.00 0.00 2367.78
1971 0.00 0.00 1.00 68.50 152.00 560.00 491.50 575.00 270.50 84.00 0.00 0.00 2202.50
1972 0.00 0.00 0.00 5.00 263.50 440.00 532.50 548.50 227.50 48.00 0.00 0.00 2065.00
1973 0.00 0.00 1.00 32.50 160.00 492.00 624.00 679.00 235.50 128.50 0.00 0.00 2352.50
1974 0.00 0.00 0.00 65.50 119.87 a 407.07 a 753.82 a 466.00 184.14 a 69.00 2.00 0.00 2067.39
1975 0.00 e 0.00 0.00 d 7.00 268.50 423.00 730.00 591.07 a 160.00 96.00 4.62 d 0.00 2280.18
1976 0.00 0.00 7.00 64.50 193.00 532.50 714.03 a 662.88 a 297.50 67.17 a 0.00 0.00 2538.58
1977 0.00 0.00 4.65 a 136.55 a 463.40 b 504.00 682.50 411.00 259.50 16.00 6.67 c 0.00 a 2484.26
1978 0.00 0.00 7.50 8.00 230.95 a 436.03 a 597.50 571.50 398.00 43.50 8.00 0.00 2300.98
1979 0.00 0.00 0.00 a 31.50 126.00 417.50 613.00 480.50 332.00 21.50 0.00 0.00 2022.00
1980 0.00 a 0.00 0.00 a 66.21 a 259.50 469.50 632.00 552.50 309.50 78.50 1.03 a 0.00 2368.74
1981 0.00 0.00 2.50 92.59 a 147.25 a 470.00 633.00 539.00 283.89 c 51.50 1.00 0.00 2220.73
1982 0.00 0.00 0.00 40.00 243.50 323.50 650.50 554.50 249.50 45.00 0.00 0.00 2106.50
1983 0.00 0.00 1.50 12.00 119.00 418.00 750.00 771.50 322.00 44.00 5.00 0.00 2443.00
1984 0.00 0.00 0.00 13.00 158.50 449.00 613.00 624.50 205.00 108.00 0.00 0.00 2171.00
1985 0.00 0.00 0.00 121.50 298.00 344.00 568.00 412.00 271.50 17.00 0.00 0.00 2032.00
1986 0.00 0.00 10.50 25.50 218.00 510.00 658.00 416.50 226.50 52.50 0.00 0.00 2117.50
1987 0.00 0.00 2.00 118.50 351.00 567.50 700.50 482.50 261.00 26.00 8.50 0.00 2517.50
1988 0.00 0.00 2.50 41.50 359.50 672.00 699.00 627.00 269.50 18.00 0.00 0.00 2689.00
1989 0.00 0.00 2.00 85.50 213.50 408.00 694.00 567.00 267.00 93.50 0.00 0.00 2330.50
1990 0.00 0.00 4.00 100.00 145.00 487.50 550.50 550.50 377.00 39.50 11.00 0.00 2265.00
1991 0.00 0.00 0.00 75.00 347.50 620.00 610.00 601.00 292.00 46.00 0.00 0.00 2591.50
1992 0.00 0.00 0.00 33.50 286.75 a 383.00 370.50 400.00 227.00 83.50 0.00 0.00 1784.25
1993 0.00 0.00 0.00 8.00 176.00 352.50 552.00 557.00 138.00 42.00 0.00 0.00 1825.50
1994 0.00 0.00 1.50 44.50 312.50 482.00 511.00 464.00 325.50 69.00 0.50 0.00 2210.50
1995 0.00 0.00 0.50 0.00 106.00 502.00 619.00 665.00 246.00 44.00 0.00 0.00 2182.50
1996 0.00 0.00 0.00 19.00 158.50 506.00 541.50 550.00 239.50 73.00 0.00 0.00 2087.50
1997 0.00 0.00 0.00 11.50 123.50 539.00 630.50 532.50 339.50 155.00 0.00 0.00 2331.50
1998 0.00 0.00 6.50 43.00 360.00 390.00 626.00 600.00 422.50 45.50 0.00 0.00 2493.50
1999 0.00 0.00 9.00 29.50 248.00 479.00 713.00 567.50 255.50 33.50 14.50 0.00 2349.50
2000 0.00 0.00 13.00 35.50 256.00 437.50 627.50 599.00 303.00 102.00 9.50 0.00 2383.00
2001 0.00 0.00 0.00 73.50 257.50 492.50 715.00 0.00 z 301.00 44.50 30.50 0.00 1914.50
2002 0.00 0.00 0.00 76.00 148.50 587.00 783.50 572.00 368.00 32.50 0.00 0.00 2567.50
2003 0.00 0.00 2.00 90.50 150.50 432.00 633.50 629.50 0.00 z 117.50 0.00 0.00 2055.50
2004 0.00 0.00 12.00 58.50 192.00 371.00 570.00 401.50 388.50 69.00 1.50 0.00 2064.00
2005 0.00 0.00 5.00 90.00 231.50 578.50 687.00 555.00 440.50 96.50 4.00 0.00 2688.00
2006 0.00 0.00 0.00 84.50 259.00 503.00 726.50 592.50 193.00 85.00 8.50 0.00 2452.00
2007 0.00 0.00 2.00 66.50 344.00 542.50 673.00 570.50 346.00 90.00 0.00 0.00 2634.50
2008 0.00 0.00 0.00 21.50 148.50 435.50 655.50 582.50 318.50 50.00 15.50 0.00 2227.50
2009 0.00 0.00 0.00 33.50 204.50 420.50 488.50 491.00 368.00 4.00 1.00 0.00 2011.00
2010 0.00 0.00 9.50 92.50 255.00 481.50 666.00 716.00 247.00 96.00 7.00 0.00 2570.50
2011 0.00 0.00 0.00 a 13.00 200.47 a 458.50 803.50 583.00 264.00 167.50 0.00 0.00 2489.97
2012 0.00 0.00 78.00 81.00 310.50 568.50 843.00 547.67 a 281.38 a 41.00 0.50 0.00 2751.55
2013 0.00 a 0.00 0.00 u 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 5.74 61.06 238.27 479.45 658.34 588.71 315.63 90.47 3.01 0.03 2434.40
S.D. 0.00 0.00 12.94 41.85 89.64 91.73 101.02 93.39 89.78 55.29 5.32 0.28 332.86
SKEW 0.00 0.00 3.68 0.82 0.95 0.58 0.32 0.35 0.48 1.02 2.47 10.42 0.58
MAX 0.00 0.00 79.00 219.50 615.50 821.38 990.00 864.00 550.18 274.50 30.50 3.00 3332.35
MIN 0.00 0.00 0.00 0.00 76.00 277.00 370.50 400.00 101.00 0.50 0.00 0.00 1784.25
NO YRS 120 121 119 119 120 120 120 118 117 119 120 120 112