CRESTON, MONTANA

Monthly Total Growing Degree Days

(242104)

Base Temperature = 40 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
1949 0.00 z 0.00 n 1.00 232.00 456.50 554.00 705.00 737.50 420.50 84.50 38.00 4.50 3233.50
1950 0.00 0.00 0.00 83.50 303.00 511.00 745.00 697.50 419.00 203.50 13.50 5.50 2981.50
1951 0.00 8.00 9.00 122.50 322.50 424.50 763.00 630.50 318.00 112.00 1.00 1.00 2712.00
1952 0.00 0.00 0.50 213.50 384.50 500.50 674.00 702.15 a 459.00 183.50 15.52 a 0.00 3133.17
1953 23.80 c 4.00 20.50 104.50 295.00 437.50 754.00 717.00 481.00 209.00 22.00 0.00 3068.30
1954 4.00 4.00 3.00 87.00 391.63 a 447.00 725.50 622.00 387.50 100.00 50.00 0.00 2821.63
1955 0.00 0.00 0.00 41.00 234.57 a 566.38 a 704.50 689.00 382.76 a 162.50 10.00 0.00 2790.70
1956 0.00 a 0.00 9.00 149.00 439.00 570.00 769.50 680.50 456.50 166.00 14.00 5.50 3259.00
1957 0.00 3.00 10.00 128.00 482.00 592.00 787.00 695.50 475.50 109.50 5.50 0.00 3288.00
1958 0.00 0.00 19.50 117.00 609.00 667.00 779.50 865.00 463.00 176.50 33.00 8.00 3737.50
1959 1.50 0.00 4.50 160.50 255.00 596.50 760.00 649.50 389.00 138.50 19.50 2.50 2977.00
1960 6.00 0.00 40.50 142.50 328.00 586.00 891.77 a 637.00 450.50 173.50 19.50 0.00 3275.27
1961 11.00 15.00 50.00 95.50 397.00 741.00 812.00 860.50 287.00 138.00 0.00 0.00 3407.00
1962 0.00 4.50 1.50 221.50 357.00 559.00 685.00 685.00 440.00 147.00 34.50 2.00 3137.00
1963 4.50 23.50 66.50 131.50 355.00 581.00 713.50 770.50 559.50 244.00 15.50 0.00 3465.00
1964 0.00 0.00 4.00 97.00 345.50 561.50 753.50 586.00 334.50 128.50 22.00 0.00 2832.50
1965 0.00 4.00 6.00 159.50 329.00 529.00 762.00 730.50 201.00 234.00 18.50 5.00 2978.50
1966 0.50 0.00 39.50 134.00 442.00 479.50 758.00 672.00 576.50 135.00 0.50 4.00 3241.50
1967 1.50 7.00 4.00 51.00 386.50 580.00 809.50 843.50 630.50 193.50 28.00 0.00 3535.00
1968 8.00 12.50 75.50 109.00 302.50 569.00 761.00 659.50 416.00 105.00 3.00 0.00 3021.00
1969 0.00 0.00 7.00 212.00 430.00 562.50 691.00 720.50 480.50 82.50 18.50 0.00 3204.50
1970 0.00 0.00 4.00 55.00 409.50 658.50 767.50 699.50 278.00 79.00 4.50 3.00 2958.50
1971 9.50 11.00 8.00 125.50 388.50 444.00 676.50 871.50 286.50 124.50 2.50 0.00 2948.00
1972 0.00 5.00 63.00 62.50 373.00 580.00 662.00 802.50 330.50 83.50 1.50 6.00 2969.50
1973 0.00 4.50 18.00 106.00 362.50 524.50 777.50 764.00 399.50 140.50 3.00 2.00 3102.00
1974 11.00 0.00 16.00 110.00 250.00 645.50 767.50 670.50 385.00 124.00 13.00 0.00 2992.50
1975 0.00 0.00 0.50 41.00 269.00 477.00 901.00 612.50 376.50 126.50 38.00 21.50 2863.50
1976 3.50 1.00 14.50 124.50 368.50 433.50 725.00 654.50 455.50 125.00 15.00 0.00 2920.50
1977 0.00 3.00 8.00 185.00 300.50 645.00 699.00 706.50 345.00 85.00 3.50 0.00 2980.50
1978 0.00 0.00 50.50 132.00 255.00 574.00 724.00 630.00 411.50 130.50 21.00 0.00 2928.50
1979 0.00 0.00 17.00 109.00 353.50 581.50 774.50 787.50 505.00 198.50 0.00 9.00 3335.50
1980 0.00 0.00 2.00 237.00 452.00 503.50 727.50 576.00 419.00 165.50 38.50 19.50 3140.50
1981 0.00 10.50 38.50 150.50 376.50 410.50 708.00 816.00 447.50 101.50 12.50 1.50 3073.50
1982 0.00 8.00 12.50 75.50 303.00 592.00 661.00 711.00 388.50 77.00 0.00 0.00 2828.50
1983 1.50 2.00 14.00 111.50 373.00 522.00 607.50 788.50 312.00 101.50 35.00 0.00 2868.50
1984 7.50 0.00 12.00 107.50 271.00 491.00 784.50 760.50 309.00 131.00 2.50 0.00 2876.50
1985 0.00 0.00 0.00 165.00 428.00 526.00 876.50 627.50 261.00 98.50 17.50 0.00 3000.00
1986 1.50 3.50 57.00 142.00 404.00 722.59 a 613.00 805.50 300.50 104.50 6.50 0.00 3160.59
1987 0.00 0.00 5.00 235.50 480.50 647.00 723.00 614.00 486.00 114.00 24.00 12.50 3341.50
1988 0.00 3.00 24.50 198.00 357.00 630.50 731.00 733.50 414.00 262.00 36.00 0.00 3389.50
1989 4.00 0.00 2.00 148.50 300.00 592.00 802.00 668.00 381.00 115.00 36.00 4.00 3052.50
1990 0.50 1.50 15.50 195.50 302.50 514.50 780.00 759.00 571.00 98.00 46.00 0.00 3284.00
1991 0.00 4.50 2.50 100.00 315.00 462.00 744.00 780.50 426.50 165.00 6.50 2.50 3009.00
1992 0.00 1.00 33.00 178.50 419.00 665.50 649.50 678.50 329.00 183.50 6.00 0.00 3143.50
1993 0.00 0.00 27.00 115.50 497.50 508.00 510.00 612.00 344.00 164.00 4.50 1.00 2783.50
1994 0.00 0.00 23.50 177.50 436.00 520.00 820.00 827.50 490.50 112.50 0.00 3.50 3411.00
1995 0.00 36.00 14.00 102.00 362.00 495.00 716.50 607.50 451.00 84.00 33.00 4.50 2905.50
1996 0.00 3.50 0.50 114.00 213.00 554.00 789.50 697.50 370.50 155.00 1.50 0.00 2899.00
1997 2.00 0.00 12.50 65.00 384.00 535.50 709.50 741.00 470.00 128.00 7.50 2.00 3057.00
1998 3.00 1.00 23.00 147.00 439.50 481.50 882.50 796.50 591.50 103.00 16.50 5.00 3490.00
1999 0.00 1.00 55.00 108.00 278.00 476.00 639.00 790.50 343.00 115.50 61.50 0.00 2867.50
2000 0.00 0.00 11.00 148.00 321.50 481.00 740.00 724.00 360.00 0.00 z 0.00 0.00 2785.50
2001 0.50 0.00 3.00 96.00 402.50 446.50 714.00 762.50 512.00 86.00 37.50 0.00 3060.50
2002 6.50 0.00 4.50 107.00 262.50 531.00 840.00 626.50 432.00 81.00 9.50 3.00 2903.50
2003 4.00 1.00 33.00 156.00 334.00 603.00 887.00 831.00 469.00 221.00 11.00 0.00 3550.00
2004 0.00 0.00 66.00 162.50 330.50 518.00 805.50 748.50 369.00 138.50 8.50 1.50 3148.50
2005 1.00 1.50 24.00 119.00 357.50 460.00 765.50 700.50 380.00 123.50 2.00 0.00 2934.50
2006 0.00 0.00 11.00 132.50 388.00 620.00 902.00 739.00 404.50 151.00 24.50 0.00 3372.50
2007 0.50 0.00 52.00 114.00 361.50 562.00 985.50 685.50 407.00 115.50 25.00 4.00 3312.50
2008 0.00 0.00 1.50 47.00 295.00 471.50 764.00 726.50 375.00 116.00 19.50 3.00 2819.00
2009 0.00 0.00 1.00 106.00 402.00 577.00 838.50 809.50 604.00 70.50 11.00 0.00 3419.50
2010 0.00 0.00 23.50 106.50 240.00 478.00 677.50 663.00 361.00 160.50 23.50 0.00 2733.50
2011 1.50 3.50 7.50 30.50 281.77 c 423.62 a 677.98 d 755.76 b 484.82 b 137.43 a 9.31 a 2.07 a 2815.76
2012 2.14 b 0.00 27.50 187.24 a 273.83 a 316.50 i 781.00 716.00 461.50 125.50 43.50 1.50 2619.71
2013 0.00 0.00 15.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 15.50
Period of Record Statistics
MEAN 1.89 2.99 18.86 128.57 356.52 542.84 752.06 717.65 414.47 135.70 17.19 2.35 3090.43
S.D. 3.94 6.01 19.62 49.37 74.45 74.27 79.62 73.42 86.57 43.83 14.68 4.18 234.54
SKEW 3.35 3.50 1.25 0.30 0.53 0.40 0.14 0.18 0.24 0.86 0.82 2.91 0.59
MAX 23.80 36.00 75.50 237.00 609.00 741.00 985.50 871.50 630.50 262.00 61.50 21.50 3737.50
MIN 0.00 0.00 0.00 30.50 213.00 410.50 510.00 576.00 201.00 70.50 0.00 0.00 2712.00
NO YRS 64 64 65 64 64 63 64 64 64 63 64 64 61