HURON RGNL AP, SOUTH DAKOTA

Monthly Total Growing Degree Days

(394127)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 254.72 a 456.50 746.00 691.00 490.50 67.00 2.00 0.00 2707.72
1949 0.00 0.00 0.00 a 98.00 363.00 586.00 821.00 769.50 269.00 103.50 2.00 0.00 3012.00
1950 0.00 0.00 0.00 16.50 197.50 528.00 580.50 567.50 330.50 137.50 0.50 0.00 2358.50
1951 0.00 0.00 0.00 59.50 260.50 349.00 654.50 591.50 243.50 114.00 0.00 0.00 2272.50
1952 0.00 0.00 0.00 139.50 254.00 636.50 750.50 652.00 469.50 36.50 1.50 0.00 2940.00
1953 0.00 0.00 4.00 24.50 254.50 586.50 691.82 a 738.00 375.00 246.50 15.00 0.00 2935.82
1954 0.00 0.00 0.00 82.50 178.25 a 529.00 822.50 705.00 367.50 63.00 8.00 0.00 a 2755.75
1955 0.00 0.00 1.50 171.50 415.00 495.00 a 917.50 851.00 393.00 146.00 0.00 0.00 3390.50
1956 0.00 0.00 0.00 11.00 305.00 770.50 679.00 649.00 311.50 185.00 0.00 0.00 2911.00
1957 0.00 0.00 0.00 95.00 190.50 465.50 845.50 680.45 a 282.00 105.50 0.00 0.00 2664.45
1958 0.00 3.50 0.00 48.00 339.00 405.00 607.00 762.00 415.50 165.50 0.00 0.00 2745.50
1959 0.00 0.00 1.00 71.50 275.00 694.66 a 755.50 818.50 354.50 25.00 0.00 0.00 2995.66
1960 0.00 0.00 0.00 66.00 239.50 449.50 780.50 716.50 349.00 104.00 1.00 0.00 2706.00
1961 0.00 0.00 12.00 17.50 186.00 553.00 688.50 783.50 278.50 118.50 5.00 0.00 2642.50
1962 0.00 0.00 0.00 72.50 296.00 492.00 617.00 638.00 240.00 126.50 5.00 1.50 2488.50
1963 0.00 0.00 53.50 73.50 251.50 627.00 806.00 691.50 474.50 325.50 0.50 0.00 3303.50
1964 0.00 0.00 0.00 114.50 323.50 574.50 886.00 599.00 343.00 113.00 7.00 0.00 2960.50
1965 0.00 0.00 0.00 52.00 262.00 463.00 711.00 650.50 106.00 91.50 3.50 0.00 2339.50
1966 0.00 0.00 14.00 24.00 233.00 559.50 877.00 522.50 274.00 64.50 0.00 0.00 2568.50
1967 0.00 0.00 35.50 56.00 194.50 487.00 637.00 629.00 387.00 101.00 0.00 0.00 2527.00
1968 0.00 0.00 34.50 42.00 129.00 529.50 663.00 624.50 291.50 69.50 0.00 0.00 2383.50
1969 0.00 0.00 0.00 84.00 242.00 326.00 671.00 672.00 380.50 24.00 0.00 0.00 2399.50
1970 0.00 0.00 0.00 48.00 265.50 546.00 768.00 732.50 410.00 99.50 0.00 0.00 2869.50
1971 0.00 0.00 0.00 69.00 160.00 640.50 601.00 741.50 314.00 92.50 0.00 0.00 2618.50
1972 0.00 0.00 0.00 14.50 325.50 482.00 610.00 638.00 333.50 62.50 0.00 0.00 2466.00
1973 0.00 0.00 0.00 50.00 212.00 510.00 686.00 789.00 257.50 146.00 0.00 0.00 2650.50
1974 0.00 0.00 3.00 81.00 156.50 479.50 903.50 589.00 280.00 118.50 0.00 0.00 2611.00
1975 0.00 0.00 0.00 21.50 281.00 511.00 886.00 730.00 249.50 131.00 20.00 0.00 2830.00
1976 0.00 0.00 16.00 63.50 214.50 574.00 766.50 781.00 365.50 72.50 0.00 0.00 2853.50
1977 0.00 0.00 5.00 167.50 475.50 605.50 826.50 542.50 357.00 52.00 11.50 0.00 3043.00
1978 0.00 0.00 11.50 27.50 249.00 476.00 642.00 657.00 484.50 65.50 10.00 0.00 2623.00
1979 0.00 0.00 0.00 49.00 166.00 567.00 780.50 612.50 416.50 40.50 0.00 0.00 2632.00
1980 0.00 0.00 0.00 110.00 339.00 554.00 724.50 639.00 352.50 92.50 4.50 0.00 2816.00
1981 0.00 0.00 4.00 137.00 258.00 582.50 852.00 688.50 406.50 83.50 10.00 0.00 3022.00
1982 0.00 0.00 0.00 61.00 297.00 407.00 785.00 703.50 337.00 67.50 0.00 0.00 2658.00
1983 0.00 0.00 2.00 17.00 150.00 489.00 820.50 896.00 414.00 64.00 6.50 0.00 2859.00
1984 0.00 0.00 0.00 11.00 207.00 514.00 743.00 759.00 271.50 148.50 0.00 0.00 2654.00
1985 0.00 0.00 2.50 140.00 372.00 402.50 697.00 522.00 307.50 32.00 2.50 0.00 2478.00
1986 0.00 0.00 32.00 32.00 243.00 572.50 731.00 526.00 272.50 80.00 0.00 0.00 2489.00
1987 0.00 0.00 14.50 180.50 453.50 632.50 795.50 578.00 366.00 40.50 15.00 0.00 3076.00
1988 0.00 0.00 7.50 70.00 419.00 759.00 828.50 725.50 337.00 36.00 0.00 0.00 3182.50
1989 0.00 0.00 3.50 109.50 235.50 469.00 809.50 720.50 376.00 116.50 0.00 0.00 2840.00
1990 0.00 0.00 7.00 121.00 231.00 558.50 661.50 704.50 500.00 69.50 15.00 0.00 2868.00
1991 0.00 0.00 6.50 87.00 396.00 701.50 728.50 748.00 376.00 113.50 0.00 0.00 3157.00
1992 0.00 0.00 0.50 68.50 303.50 457.00 467.00 482.50 299.00 97.50 0.00 0.00 2175.50
1993 0.00 0.00 7.00 31.50 234.00 424.50 616.50 627.00 200.00 54.50 0.00 0.00 2195.00
1994 0.00 0.00 9.00 65.00 381.50 557.50 590.50 562.50 408.00 104.00 3.50 0.00 2681.50
1995 0.00 0.00 12.00 1.00 159.50 568.50 712.50 747.50 329.00 54.50 0.00 0.00 2584.50
1996 0.00 0.00 0.00 30.50 201.00 558.00 609.00 670.50 330.50 100.50 0.00 a 0.00 2500.00
1997 0.00 0.00 14.00 41.00 184.00 604.50 718.00 653.00 419.00 179.00 0.00 0.00 2812.50
1998 0.00 0.00 9.50 78.00 378.00 456.00 768.00 739.50 525.00 86.00 0.00 0.00 3040.00
1999 0.00 0.00 17.50 60.00 265.00 521.50 792.00 693.00 270.50 73.50 12.86 b 0.00 a 2705.86
2000 0.00 0.00 19.00 60.50 313.00 494.00 741.50 720.50 419.00 159.00 6.21 a 0.00 2932.71
2001 0.00 0.00 0.00 103.50 316.00 543.00 824.00 725.50 390.00 97.00 20.17 a 0.00 3019.17
2002 0.00 0.00 0.00 89.50 200.50 660.00 916.00 664.50 433.00 23.50 0.00 0.00 2987.00
2003 0.00 0.00 15.00 99.00 196.00 479.50 761.50 768.00 350.50 179.50 1.50 0.00 2850.50
2004 0.00 0.00 22.50 75.50 266.50 412.00 654.50 512.50 450.50 104.50 8.00 0.00 2506.50
2005 0.00 0.00 12.50 112.50 261.00 614.00 815.50 685.00 536.00 123.00 10.50 0.00 3170.00
2006 0.00 0.00 6.00 117.50 286.50 582.00 877.50 713.50 241.00 98.50 22.00 0.00 2944.50
2007 0.00 0.00 24.00 100.00 379.00 597.00 813.50 660.50 401.00 108.50 6.00 0.00 3089.50
2008 0.00 0.00 0.00 36.00 183.50 458.50 732.00 690.50 363.00 65.50 20.50 0.00 2549.50
2009 0.00 0.00 9.50 51.00 262.00 444.50 572.00 554.50 423.50 4.00 9.50 0.00 2330.50
2010 0.00 0.00 19.00 119.00 280.00 553.00 762.00 788.50 310.50 135.00 4.50 0.00 2971.50
2011 0.00 0.00 0.00 28.00 239.50 521.50 885.00 674.00 306.50 185.50 0.00 0.00 2840.00
2012 0.00 0.00 132.00 110.50 349.50 665.00 938.00 642.00 374.00 58.00 0.00 0.00 3269.00
2013 0.00 0.00 0.00 a 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 0.05 9.23 71.33 267.54 534.89 744.94 676.94 353.69 99.21 4.17 0.02 2761.76
S.D. 0.00 0.43 18.78 42.03 77.64 88.84 100.68 85.17 80.88 54.34 6.10 0.19 278.55
SKEW 0.00 7.88 4.67 0.56 0.60 0.28 -0.23 -0.12 -0.11 1.37 1.48 7.88 -0.02
MAX 0.00 3.50 132.00 180.50 475.50 770.50 938.00 896.00 536.00 325.50 22.00 1.50 3390.50
MIN 0.00 0.00 0.00 1.00 129.00 326.00 467.00 482.50 106.00 4.00 0.00 0.00 2175.50
NO YRS 65 65 65 64 65 65 65 65 65 65 65 65 64