BROWNING, MONTANA

Monthly Total Growing Degree Days

(241202)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198911
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 271.00 m 492.00 714.00 690.00 282.00 77.00 94.00 6.50 2355.50
1895 0.00 18.00 87.00 0.00 z 117.00 q 421.00 612.00 523.00 216.50 159.00 51.50 14.00 2102.00
1896 5.00 22.50 12.00 67.00 172.50 472.00 703.00 522.50 187.00 138.50 0.00 11.50 2313.50
1897 2.00 0.00 2.50 148.50 529.50 429.50 591.00 716.00 377.00 80.50 15.00 0.00 2891.50
1898 0.00 4.00 2.00 107.00 239.00 471.00 635.00 683.50 404.50 51.50 0.00 12.00 2609.50
1899 0.50 0.00 1.50 29.00 153.00 432.50 736.00 574.00 414.50 87.00 48.00 7.50 2483.50
1900 12.92 a 0.00 53.00 140.00 336.00 583.00 578.50 507.50 285.50 116.50 7.50 34.50 2654.92
1901 2.50 7.00 23.50 55.00 380.50 249.50 613.00 793.00 135.50 218.00 23.50 6.50 2507.50
1902 12.50 11.00 5.00 29.50 286.50 305.36 b 525.45 a 554.90 a 201.50 j 150.50 0.00 5.00 1885.71
1903 2.50 0.00 2.07 a 56.00 f 84.00 s 401.00 g 574.50 562.00 263.00 224.50 52.50 0.00 z 1681.07
1904 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
1905 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
1906 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
1907 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 13.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1908 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
1909 0.00 z 0.00 z 5.00 22.00 278.00 573.00 779.17 e 688.20 a 500.00 175.48 c 44.00 0.00 3064.86
1910 10.00 0.00 140.00 333.50 404.50 671.00 832.19 b 610.50 355.00 242.00 17.50 u 0.00 z 3598.69
1911 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
1912 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 211.00 129.50 19.00 0.00 359.50
1913 0.00 a 2.50 0.00 108.10 a 234.50 520.00 610.00 614.50 313.50 l 326.10 e 58.50 j 28.93 a 2444.63
1914 23.52 b 0.00 9.50 0.00 z 63.50 z 382.00 720.00 575.50 325.86 a 167.92 a 29.00 0.00 a 2233.30
1915 0.00 c 0.00 23.50 i 0.00 z 8.50 z 340.00 c 477.50 371.50 p 0.00 z 243.00 q 21.00 16.50 855.00
1916 0.00 0.52 a 25.00 q 247.00 197.00 355.50 f 661.00 599.33 a 300.00 b 76.00 21.00 0.00 2101.85
1917 0.00 l 0.00 c 0.00 12.00 201.00 405.50 712.00 616.50 398.04 b 185.50 192.50 10.00 2733.04
1918 21.50 6.50 49.00 114.00 166.00 535.34 a 621.50 537.52 c 390.50 189.00 0.00 a 0.00 b 2630.86
1919 0.00 a 0.00 13.95 a 91.00 298.50 491.00 649.00 647.50 315.00 b 47.50 24.00 12.00 2589.45
1920 4.50 0.00 3.50 20.00 133.50 327.50 744.50 606.57 a 331.50 99.00 8.00 1.00 2279.57
1921 0.00 0.00 2.50 38.00 157.50 373.00 556.50 515.50 128.00 150.00 30.00 0.50 1951.50
1922 0.00 0.00 0.00 21.50 171.00 457.00 516.50 592.50 342.50 161.00 15.50 0.00 2277.50
1923 0.00 2.50 5.00 77.50 215.50 421.00 689.50 540.50 383.00 160.50 37.50 5.00 2537.50
1924 0.50 16.00 0.00 17.00 244.00 334.66 a 595.00 487.00 334.00 140.50 4.50 1.50 2174.66
1925 0.00 0.00 9.50 50.00 278.00 465.50 646.50 562.00 326.00 14.50 2.07 a 17.00 2371.07
1926 0.00 19.50 48.50 234.00 301.00 440.50 714.50 549.00 147.00 172.50 43.00 5.00 2674.50
1927 1.00 0.00 5.50 75.50 120.50 411.50 549.50 493.50 225.50 154.00 4.50 0.00 2041.00
1928 11.50 1.00 36.50 40.00 368.50 265.00 575.00 451.05 a 288.50 43.00 9.50 0.00 2089.55
1929 0.00 0.00 2.00 27.00 212.50 383.50 680.50 721.50 232.50 191.17 a 9.00 9.50 2469.17
1930 0.00 24.50 4.50 172.00 221.50 445.50 703.50 709.00 399.50 107.00 63.00 3.00 2853.00
1931 31.00 2.50 40.00 102.50 323.50 543.00 684.50 693.50 339.00 184.50 29.00 3.50 2976.50
1932 0.00 32.50 5.50 101.50 286.50 523.00 694.50 641.00 393.00 149.00 37.50 0.50 2864.50
1933 0.00 0.00 5.00 89.50 249.50 582.50 725.00 642.50 324.50 185.50 96.50 8.50 2909.00
1934 8.30 c 29.04 a 35.00 f 214.50 459.00 444.64 b 737.36 c 688.50 344.42 d 221.00 68.50 f 22.00 3168.76
1935 52.50 42.00 21.00 17.50 h 231.00 436.50 732.00 614.00 399.50 212.02 c 32.14 b 12.00 2784.66
1936 0.00 c 0.00 4.00 159.00 452.00 576.50 877.50 677.00 368.00 229.00 77.00 0.00 3420.00
1937 0.00 0.00 9.00 84.50 339.00 530.17 a 778.50 580.00 250.50 230.00 7.00 g 1.07 b 2802.74
1938 3.50 3.00 3.00 105.50 248.50 495.00 400.00 n 464.50 g 595.00 197.00 3.50 6.00 1660.00
1939 2.00 0.00 81.50 177.50 349.50 321.00 780.54 c 718.00 440.00 133.50 73.00 72.00 3148.54
1940 14.00 0.50 18.50 63.50 391.50 583.00 743.50 689.00 495.50 254.00 7.00 11.50 3271.50
1941 33.50 26.50 22.00 96.00 310.50 483.50 753.82 a 602.50 207.50 115.50 38.50 11.50 2701.32
1942 12.50 0.00 6.00 132.00 223.50 360.50 684.00 636.50 374.00 264.00 16.00 6.00 2715.00
1943 0.00 18.00 7.00 151.50 201.00 295.50 699.00 633.50 432.50 257.50 25.00 1.50 2722.00
1944 16.00 0.00 12.50 106.00 355.00 443.50 678.00 532.50 406.50 383.50 7.50 5.00 2946.00
1945 4.00 1.00 23.50 30.50 231.50 377.50 728.50 684.00 327.00 291.00 16.50 5.50 2720.50
1946 0.00 4.00 31.00 158.50 228.00 426.50 716.00 630.50 334.00 40.50 7.50 0.00 2576.50
1947 0.00 2.00 13.00 110.50 296.50 397.00 784.00 591.50 352.50 203.50 14.00 9.50 2774.00
1948 0.00 0.00 0.00 87.00 266.50 480.50 583.50 599.00 430.00 212.50 0.00 0.00 2659.00
1949 0.00 0.00 2.00 202.50 365.50 463.00 658.00 701.00 427.50 73.00 148.00 0.00 3040.50
1950 0.00 10.50 3.50 38.00 203.50 412.00 622.00 602.50 385.00 145.50 37.00 19.00 2478.50
1951 0.00 0.00 c 10.85 a 65.50 273.00 299.50 654.00 520.50 271.50 146.50 8.00 0.00 2249.35
1952 0.50 1.50 5.50 196.50 273.50 413.50 599.00 616.00 485.00 245.00 17.00 18.50 2871.50
1953 2.50 0.50 16.00 43.00 218.00 379.00 663.50 649.00 433.00 310.50 66.00 1.00 2782.00
1954 5.68 a 25.00 5.00 29.00 277.50 346.00 688.50 582.50 329.50 130.00 100.00 14.00 2532.68
1955 0.00 0.00 6.72 a 46.00 163.00 429.50 632.00 660.50 301.00 185.50 14.00 0.00 2438.22
1956 0.00 0.00 18.00 69.50 300.70 a 484.00 641.00 588.00 395.00 161.50 57.50 31.00 a 2746.20
1957 0.00 0.50 5.00 76.50 343.58 a 437.68 b 706.80 a 559.50 453.10 a 108.00 16.11 c 4.00 2710.78
1958 10.50 22.00 2.00 49.50 496.00 447.00 634.00 755.50 379.50 230.00 41.50 12.00 3079.50
1959 2.50 0.00 5.68 a 71.00 125.50 486.50 725.00 581.00 297.41 a 121.00 18.00 9.00 2442.60
1960 3.00 0.00 49.50 62.00 219.00 453.50 853.00 621.00 445.00 229.00 0.50 12.50 2948.00
1961 9.00 8.00 14.50 23.50 305.00 690.50 738.50 851.50 182.50 194.50 39.50 0.00 3057.00
1962 25.50 30.00 1.50 171.00 216.00 499.50 624.50 650.50 429.00 265.50 78.00 15.00 3006.00
1963 0.52 a 30.00 39.00 108.00 259.50 475.00 686.00 696.50 573.50 303.00 22.00 25.00 3218.02
1964 0.00 3.50 17.00 53.00 244.50 487.50 769.00 524.00 227.00 250.50 41.50 0.00 2617.50
1965 1.55 a 16.50 1.00 84.50 225.00 413.50 708.00 675.50 140.00 365.00 37.00 11.50 2679.05
1966 0.00 0.00 53.50 66.00 357.50 391.00 692.50 545.00 535.50 194.00 10.00 10.00 2855.00
1967 2.50 3.50 0.00 8.50 262.00 425.50 714.50 755.50 623.50 173.00 15.50 0.00 2984.00
1968 37.50 13.00 69.50 96.00 229.00 440.50 686.50 568.00 441.50 155.50 19.50 0.00 2756.50
1969 0.00 0.00 11.50 191.50 347.00 454.00 620.00 729.00 453.50 100.50 67.00 18.00 2992.00
1970 0.00 10.50 1.00 21.00 317.50 650.50 773.00 735.00 375.00 164.50 8.00 0.00 3056.00
1971 0.00 3.00 0.00 62.00 267.00 436.50 646.50 889.00 357.00 271.25 c 38.00 0.00 2970.25
1972 0.00 3.00 49.50 63.00 286.50 475.50 580.70 c 724.50 240.00 184.50 9.50 3.00 2619.70
1973 15.50 7.00 11.50 48.00 336.00 508.50 750.00 0.00 z 484.00 203.50 16.50 0.50 2381.00
1974 1.72 d 0.00 6.00 124.50 182.00 626.00 793.00 608.00 418.50 320.00 21.00 0.50 3101.22
1975 0.00 a 0.00 1.03 a 8.50 197.50 392.07 a 831.00 559.50 443.57 b 133.50 73.27 d 0.57 d 2640.52
1976 21.91 b 4.06 d 10.00 164.00 371.00 347.50 716.00 726.50 574.66 a 148.00 h 74.50 18.08 a 3028.21
1977 2.38 e 29.50 6.00 214.00 241.50 554.48 a 597.78 a 483.00 265.00 92.00 7.00 l 0.00 g 2485.65
1978 0.00 0.00 a 37.72 a 33.00 163.00 440.50 635.50 582.00 451.67 c 258.33 a 8.00 0.00 a 2609.72
1979 0.00 0.00 11.00 28.50 168.95 a 452.07 a 656.88 b 704.50 529.00 105.00 l 26.00 16.00 2592.90
1980 0.00 z 0.00 z 0.00 246.00 e 317.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 563.00
1981 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
1982 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
1983 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
1984 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
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 398.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 398.00
1986 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
1987 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
1988 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
1989 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
Period of Record Statistics
MEAN 5.66 6.73 17.07 94.72 270.60 448.82 679.40 625.55 359.21 178.09 33.04 8.09 2704.77
S.D. 10.19 10.36 24.29 68.58 85.31 88.54 79.07 85.52 109.54 76.79 34.26 11.02 308.83
SKEW 2.43 1.55 2.59 1.07 0.68 0.35 0.00 0.51 0.00 0.30 2.13 2.97 -0.21
MAX 52.50 42.00 140.00 333.50 529.50 690.50 877.50 889.00 623.50 383.50 192.50 72.00 3420.00
MIN 0.00 0.00 0.00 8.50 120.50 249.50 477.50 451.05 128.00 14.50 0.00 0.00 1951.50
NO YRS 76 77 76 74 75 78 78 76 77 77 75 77 60