BRIDGER, MONTANA

Monthly Total Growing Degree Days

(241102)

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
1900 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 141.50 v 0.00 z 0.00 z 0.00 z 0.00
1901 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
1902 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
1903 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
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 0.00 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 165.00 2.07 a 167.07
1909 17.57 a 12.50 64.67 b 90.52 a 392.84 b 742.50 968.50 1007.50 a 635.36 b 275.38 a 134.50 0.00 4341.84
1910 5.68 a 6.50 233.61 c 353.57 b 465.53 b 790.00 c 945.00 740.12 c 476.38 a 322.92 a 41.00 0.00 a 4380.32
1911 4.00 0.00 69.23 a 147.50 434.00 a 739.14 a 804.50 717.65 a 510.00 a 148.00 0.00 a 0.00 b 3574.02
1912 0.00 0.00 7.23 a 161.67 c 386.50 685.00 761.64 b 737.50 316.00 158.10 a 54.44 c 0.00 a 3268.08
1913 0.00 b 5.00 13.84 c 261.67 c 395.25 a 735.00 803.50 864.90 a 524.50 147.50 37.22 c 0.00 a 3788.38
1914 7.50 6.00 38.00 182.14 b 465.00 a 628.00 921.00 783.02 b 526.50 236.50 84.64 b 0.00 3878.30
1915 3.00 1.04 a 37.31 d 425.00 390.50 488.50 708.87 a 871.62 a 413.00 339.45 a 59.46 b 23.00 3760.75
1916 4.50 7.25 a 137.00 g 0.00 z 0.00 z 554.50 941.50 825.00 503.50 151.00 63.50 9.30 a 3060.05
1917 7.23 a 5.70 a 9.50 94.50 325.00 592.24 a 959.50 779.50 565.00 244.50 104.00 35.65 a 3722.33
1918 0.00 z 13.46 b 197.50 152.00 407.00 604.00 j 888.27 e 809.00 514.00 355.00 61.00 66.50 3463.73
1919 47.50 10.50 73.00 262.00 531.50 895.50 1006.00 904.50 589.00 133.00 16.50 8.78 a 4477.78
1920 8.50 5.50 41.00 f 61.50 430.00 635.17 a 920.00 874.00 612.00 282.50 61.50 22.00 3912.67
1921 37.00 f 68.00 97.00 210.00 424.00 797.50 919.84 b 901.00 449.00 328.00 84.00 21.91 b 4300.26
1922 0.00 7.50 33.00 161.00 439.00 769.50 875.00 996.50 671.50 351.33 a 1.50 1.55 a 4307.38
1923 34.00 0.00 37.00 173.28 a 0.00 z 710.17 a 1014.73 a 875.50 636.50 134.00 41.50 8.00 3664.68
1924 0.00 b 12.50 0.00 129.00 399.00 567.50 888.15 a 0.00 z 615.50 78.50 4.00 0.00 z 2694.15
1925 5.50 10.00 50.24 b 224.00 472.00 688.00 1027.28 b 880.29 b 625.34 a 34.00 2.50 2.00 4021.16
1926 0.00 a 15.50 21.50 321.21 a 513.57 a 723.50 957.90 a 828.50 378.00 310.00 26.50 1.50 4097.67
1927 0.00 0.00 7.50 141.00 245.93 a 726.21 a 944.50 820.50 483.50 312.07 a 15.50 1.00 3697.71
1928 8.00 7.25 a 95.00 n 155.50 572.00 526.50 937.50 899.00 553.00 163.50 0.00 z 6.72 a 3828.97
1929 0.00 0.00 z 24.50 119.00 358.57 a 679.00 993.50 1009.50 488.50 393.50 4.50 3.00 4073.57
1930 0.00 44.50 22.50 349.00 385.00 712.00 992.52 a 0.00 z 0.00 z 30.00 n 47.50 3.50 2556.52
1931 18.00 24.00 121.00 111.50 w 340.00 989.00 1079.50 1020.00 595.00 406.50 129.81 d 0.00 4722.81
1932 0.00 62.50 21.00 254.00 429.00 707.00 849.92 a 823.00 504.00 275.38 a 111.50 0.00 4037.30
1933 4.50 21.50 81.50 161.00 390.00 883.50 1081.00 866.50 554.00 318.00 77.50 19.50 4458.50
1934 97.50 31.50 101.00 305.00 724.88 a 776.00 1008.61 c 932.67 b 412.50 g 376.50 28.45 a 0.00 a 4382.11
1935 17.50 19.50 55.91 c 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 92.91
1936 17.50 j 10.50 46.50 c 189.00 f 699.64 b 867.32 b 1229.31 b 735.50 g 640.18 b 332.00 47.00 20.00 3892.45
1937 0.00 w 6.74 a 62.00 240.00 580.00 706.00 850.00 963.50 668.50 361.00 63.50 18.48 e 4519.72
1938 8.00 20.50 91.45 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 119.95
1939 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 30.00 n 118.32 a 118.32
1940 0.00 a 15.02 a 112.12 a 222.00 648.00 850.50 1050.00 1014.22 a 767.50 377.00 16.55 a 37.00 5109.90
1941 8.50 18.00 73.50 193.50 580.70 c 721.50 976.50 a 911.83 b 406.50 189.50 101.00 107.00 4288.02
1942 0.00 0.00 22.50 304.14 a 358.00 575.69 a 972.50 843.50 537.50 348.50 43.50 3.50 4009.33
1943 2.50 13.50 59.00 359.50 382.00 620.50 987.87 a 925.50 599.50 422.50 0.00 z 10.85 a 4383.22
1944 4.00 5.50 29.00 273.50 601.00 590.00 881.00 865.00 626.50 420.00 22.50 q 9.00 4304.50
1945 0.00 9.00 117.00 152.59 a 426.50 585.00 989.00 937.50 544.00 406.00 81.00 9.50 4257.09
1946 1.00 12.50 161.50 413.00 406.00 721.50 1009.00 892.50 546.00 147.50 18.50 28.50 4357.50
1947 8.50 19.70 a 58.00 213.00 493.00 583.00 1062.00 957.50 580.00 438.00 21.00 0.50 4434.20
1948 6.50 21.00 25.50 314.00 594.96 e 699.50 889.00 938.00 660.50 301.50 38.00 10.50 4498.96
1949 0.00 13.00 34.00 394.00 624.00 717.50 953.50 966.50 515.50 179.00 177.00 14.00 4588.00
1950 11.50 37.00 64.50 52.50 s 369.50 629.00 827.50 817.00 516.50 384.00 37.50 11.00 3705.00
1951 0.00 31.50 22.00 151.00 576.50 530.00 931.00 861.50 456.00 225.50 49.00 3.50 3837.50
1952 0.00 17.00 21.00 311.50 h 501.34 b 743.00 873.00 895.00 667.00 331.00 34.00 0.00 v 4082.34
1953 74.00 17.50 129.00 157.50 378.00 682.00 987.35 a 902.00 670.00 393.50 173.00 9.00 4572.85
1954 14.50 98.00 47.50 233.00 515.00 643.00 1055.50 865.50 585.00 282.50 179.00 3.00 4521.50
1955 0.00 13.50 60.00 260.50 534.00 670.50 925.50 950.50 578.50 454.00 38.00 16.00 4501.00
1956 15.50 19.50 129.00 205.50 561.50 855.00 921.00 793.50 625.00 353.00 69.00 35.00 4582.50
1957 0.00 64.50 95.50 162.50 525.50 677.00 1003.00 929.00 572.50 231.50 25.50 29.50 4316.00
1958 12.00 63.50 38.50 208.50 691.00 616.00 765.81 d 939.50 567.00 353.00 74.00 21.50 4350.31
1959 6.00 1.50 59.00 178.50 328.50 785.00 945.00 910.50 504.00 240.00 34.50 2.00 3994.50
1960 5.00 9.00 135.50 178.00 483.50 736.00 1043.00 858.50 626.50 344.00 71.50 7.50 4498.00
1961 20.00 68.50 108.00 148.50 501.00 888.00 1008.00 985.50 360.00 263.50 19.00 8.00 4378.00
1962 5.00 33.00 32.50 295.00 446.50 709.50 828.50 830.50 513.00 336.50 91.00 23.00 4144.00
1963 2.00 28.50 103.00 147.50 456.00 658.00 929.00 897.50 716.00 408.00 69.00 3.00 4417.50
1964 4.50 0.00 38.50 186.00 477.00 615.00 1023.00 804.50 477.00 334.50 52.00 4.50 4016.50
1965 6.50 19.50 5.50 199.00 363.00 618.00 900.50 817.00 227.50 398.50 103.50 37.00 3695.50
1966 6.00 0.00 123.50 151.00 552.00 634.00 1047.00 847.00 685.00 304.50 78.50 21.00 4449.50
1967 19.50 21.00 66.50 130.50 456.50 629.00 957.00 908.50 694.00 315.50 53.50 5.50 4257.00
1968 3.00 16.00 127.50 158.00 362.00 620.50 914.00 754.50 565.00 310.50 47.50 3.00 3881.50
1969 0.00 0.00 34.00 313.00 519.50 595.50 877.50 979.00 652.50 152.00 79.50 15.50 4218.00
1970 4.50 21.00 21.50 84.00 480.50 748.00 980.50 1007.50 504.00 199.00 33.00 7.50 4091.00
1971 3.00 7.00 67.00 150.00 508.00 730.50 859.00 1088.00 504.50 276.50 62.00 0.00 4255.50
1972 0.00 27.50 178.50 168.50 454.00 773.00 826.00 942.00 486.50 245.50 18.00 9.50 4129.00
1973 16.00 11.50 24.50 127.00 441.00 740.00 965.00 970.50 537.00 355.00 0.00 z 24.00 4211.50
1974 53.50 24.00 108.00 288.50 340.50 791.50 1044.50 784.00 516.50 369.50 32.00 3.50 4356.00
1975 1.00 0.00 16.00 80.50 366.00 625.00 0.00 z 836.00 552.50 331.50 135.00 31.00 2974.50
1976 5.50 40.50 67.00 232.50 534.50 635.00 981.50 863.50 634.00 226.50 71.00 15.00 4306.50
1977 0.00 13.50 52.50 274.50 447.00 779.50 992.00 797.50 535.50 322.00 43.50 16.50 4274.00
1978 0.00 0.00 123.00 197.50 402.50 681.00 850.43 a 827.50 629.00 304.00 60.00 0.00 4074.93
1979 0.00 0.00 32.00 175.00 424.50 724.50 955.50 888.00 700.00 0.00 z 9.00 38.50 3947.00
1980 6.50 21.50 17.05 a 309.50 554.00 727.50 975.00 799.00 604.50 297.50 98.79 a 87.50 4498.34
1981 15.00 45.00 77.00 292.50 437.50 658.50 937.00 933.00 660.50 250.50 121.50 26.00 4454.00
1982 1.00 58.50 48.00 180.00 379.00 613.50 899.50 948.00 527.50 274.00 25.00 12.00 3966.00
1983 23.00 44.50 83.00 164.50 387.50 672.00 976.00 1052.50 558.00 326.50 87.00 0.00 4374.50
1984 12.50 7.00 49.50 185.50 477.50 650.00 961.00 1015.50 435.00 224.50 44.00 5.50 4067.50
1985 1.00 4.50 28.00 300.00 618.50 713.50 1032.00 819.00 451.50 286.00 43.50 0.00 4297.50
1986 14.00 38.00 199.95 a 219.00 443.50 846.00 841.50 905.00 427.50 262.50 44.00 0.00 4240.95
1987 7.50 24.00 108.50 387.50 602.50 797.00 895.50 779.50 632.50 288.00 77.00 39.50 4639.00
1988 18.50 34.00 100.50 301.50 578.50 1014.50 1040.00 931.00 524.00 415.00 68.50 9.00 5035.00
1989 3.50 0.50 71.00 199.00 466.50 707.00 1074.50 866.50 596.00 280.00 68.00 15.00 4347.50
1990 14.50 5.50 72.00 259.50 415.00 708.00 953.50 960.50 758.50 285.00 124.00 24.00 4580.00
1991 0.50 45.00 61.00 160.50 478.50 722.00 986.50 1034.00 638.00 335.50 22.00 2.50 4486.00
1992 21.50 46.50 134.00 292.50 568.50 760.00 791.00 803.00 573.00 306.50 16.00 0.00 4312.50
1993 0.50 0.00 123.00 192.50 579.00 617.00 676.50 756.00 466.00 197.50 5.50 l 0.00 n 3608.00
1994 0.50 j 0.00 z 65.00 123.00 l 411.00 i 505.00 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 65.00
1995 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
1996 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
1997 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 769.00 898.50 864.00 624.00 228.00 46.50 15.50 3445.50
1998 9.00 20.74 a 67.50 310.00 548.50 442.00 858.50 917.00 797.50 237.00 8.00 u 16.00 4223.74
1999 8.00 61.50 80.71 b 192.69 d 467.77 c 0.00 z 962.11 c 0.00 z 0.00 z 0.00 z 152.00 11.50 1936.27
2000 0.00 5.18 a 70.00 222.50 531.00 698.50 1080.00 1016.00 0.00 z 243.00 4.00 0.00 a 3870.18
2001 0.00 0.00 a 45.50 181.00 505.50 669.50 985.00 942.00 640.50 206.50 126.50 2.00 4304.00
2002 10.50 7.00 7.00 147.50 360.00 676.50 1027.50 753.50 596.50 141.50 32.50 2.50 3762.50
2003 4.00 0.00 z 88.00 296.00 429.00 645.00 1060.50 1019.00 528.50 367.00 19.50 8.00 4464.50
2004 0.00 17.00 142.00 253.50 403.00 600.50 905.00 771.50 508.50 242.00 73.50 17.50 3934.00
2005 23.50 16.50 65.00 186.50 376.00 629.50 964.50 818.00 506.50 269.50 43.00 11.00 3909.50
2006 21.00 20.00 53.00 261.00 466.00 744.50 1048.00 881.00 502.50 173.00 77.50 10.00 4257.50
2007 0.00 4.00 171.00 183.00 472.00 695.50 1099.00 897.50 569.00 230.50 96.50 9.50 4427.50
2008 0.00 3.00 24.50 123.00 380.00 581.00 900.00 892.00 457.50 265.50 92.00 1.50 3720.00
2009 1.00 6.00 63.00 156.50 449.00 567.00 845.50 815.50 686.00 90.00 57.00 0.00 3736.50
2010 1.50 0.00 87.50 169.50 311.50 660.00 899.50 870.50 514.50 357.50 64.00 0.00 3936.00
2011 0.00 12.96 a 12.00 k 99.00 292.50 600.50 958.00 944.43 b 621.00 301.50 40.50 6.50 3876.89
2012 19.00 0.00 194.00 282.50 382.00 740.00 1071.00 890.00 623.00 222.50 100.50 23.00 4547.50
2013 0.00 0.00 56.50 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 56.50
Period of Record Statistics
MEAN 8.91 18.52 71.06 214.39 463.85 694.44 947.08 887.53 560.82 282.60 62.06 14.25 4215.59
S.D. 14.91 19.49 49.25 79.54 93.95 98.43 89.88 80.46 95.77 87.88 41.85 20.28 327.76
SKEW 3.59 1.59 1.02 0.57 0.47 0.54 -0.27 0.14 -0.39 -0.43 0.89 3.09 -0.18
MAX 97.50 98.00 233.61 425.00 724.88 1014.50 1229.31 1088.00 797.50 454.00 179.00 118.32 5109.90
MIN 0.00 0.00 0.00 61.50 245.93 442.00 676.50 717.65 227.50 34.00 0.00 0.00 3268.08
NO YRS 96 98 97 92 95 96 97 94 94 95 93 97 71