BROADUS, MONTANA

Monthly Total Growing Degree Days

(241127)

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
1920 0.00 z 0.00 v 0.00 z 47.00 444.00 710.50 978.50 0.00 z 0.00 z 282.10 a 19.50 0.00 2481.60
1921 7.00 49.50 79.50 218.50 465.52 a 913.50 1065.50 997.00 548.00 257.30 a 55.00 14.50 4670.82
1922 0.00 0.00 13.43 a 150.00 485.50 854.00 879.50 1018.00 681.00 283.59 d 12.50 0.00 4377.53
1923 11.50 1.50 22.00 183.00 550.77 a 823.00 1095.50 858.00 680.17 a 226.50 66.00 0.00 b 4517.94
1924 0.00 3.00 0.00 165.00 373.00 618.00 856.50 809.50 543.50 334.00 0.00 z 27.50 3730.00
1925 0.00 4.50 0.00 z 365.50 577.63 a 848.00 936.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2731.63
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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 3.00 h 0.00
1937 0.00 d 0.00 37.64 c 183.00 603.50 736.50 1057.21 b 805.00 g 698.57 b 295.65 d 38.50 0.00 f 3650.57
1938 0.00 8.50 75.50 270.00 a 421.50 786.00 978.50 921.00 710.50 373.00 5.00 2.50 4552.00
1939 3.50 0.00 b 94.50 257.50 633.00 626.50 1092.00 858.81 d 609.00 260.50 49.00 68.00 4552.31
1940 1.00 5.50 52.00 161.00 522.50 615.50 f 1078.00 942.00 746.00 387.50 a 6.72 a 0.00 3902.22
1941 0.00 5.50 42.50 193.45 a 595.50 722.78 c 1029.41 b 925.00 457.50 206.48 c 76.50 19.00 4273.62
1942 0.00 f 0.00 19.00 261.00 345.13 a 597.00 913.90 e 878.50 525.00 295.50 35.50 5.00 3875.54
1943 0.00 17.50 53.50 306.00 372.50 646.50 972.00 982.00 529.50 309.50 13.50 9.50 4212.00
1944 8.78 a 0.00 a 6.00 146.00 543.50 553.50 844.50 827.50 545.17 a 322.50 5.00 2.50 3804.96
1945 0.00 2.50 67.00 117.00 362.00 521.00 952.50 919.00 460.50 271.50 18.50 0.00 3691.50
1946 0.00 7.00 84.00 295.50 312.00 660.00 976.50 827.00 531.00 124.00 1.00 3.00 3821.00
1947 0.00 2.00 22.50 149.50 418.50 564.64 b 1008.50 1024.00 580.86 a 391.50 16.50 1.50 4180.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 905.20 a 927.50 688.50 249.50 3.50 2.50 2776.70
1949 0.00 0.00 9.00 302.50 538.00 700.34 a 973.00 974.00 508.00 181.00 115.00 2.50 4303.34
1950 0.50 10.50 21.50 105.50 326.50 604.50 780.00 782.50 513.50 339.50 19.00 5.50 3509.00
1951 0.00 9.50 13.50 120.50 488.00 525.00 972.00 877.00 402.00 213.50 3.50 0.00 3624.50
1952 0.00 3.50 13.50 306.50 490.50 818.50 898.00 933.50 676.00 230.00 18.00 0.00 4388.00
1953 14.50 3.63 a 62.00 a 100.50 329.50 720.52 a 1003.00 914.00 560.50 375.50 81.00 0.00 4164.65
1954 3.00 47.00 23.50 147.00 424.00 633.00 1100.50 937.50 568.50 214.50 100.00 8.50 4207.00
1955 0.00 0.00 10.85 a 210.50 442.00 621.00 1024.00 1018.00 525.50 318.50 16.03 a 0.00 4186.38
1956 0.00 0.00 84.00 68.50 493.50 902.50 968.00 871.00 576.50 296.50 22.00 27.50 4310.00
1957 0.00 6.00 27.50 141.50 477.50 658.50 1054.00 969.50 504.00 221.50 14.00 12.00 4086.00
1958 1.00 19.00 20.00 162.50 649.50 590.50 778.50 979.50 607.50 294.00 24.00 2.50 4128.50
1959 0.00 0.00 32.50 165.50 339.50 809.50 938.50 991.50 508.50 138.50 16.00 3.00 3943.00
1960 0.00 2.00 106.00 181.00 486.50 718.00 1088.00 882.50 582.50 242.50 18.00 0.00 4307.00
1961 1.00 17.50 66.50 125.50 493.00 904.50 1035.50 1059.50 366.50 214.00 7.50 0.00 4291.00
1962 11.00 27.00 33.00 270.50 487.00 762.50 898.00 873.50 508.00 315.50 40.50 4.00 4230.50
1963 2.50 7.50 100.00 166.50 485.50 771.50 1010.50 1005.50 761.00 476.00 36.50 6.00 4829.00
1964 0.00 0.00 23.50 198.50 534.00 736.00 1129.00 866.00 479.00 273.50 34.00 0.00 4273.50
1965 0.00 4.50 5.00 170.50 380.50 670.50 907.00 829.50 215.00 281.21 c 43.00 3.00 3509.71
1966 0.00 0.00 79.50 92.00 532.00 798.62 a 1124.00 803.50 668.00 220.00 6.00 11.50 4335.12
1967 0.00 15.50 61.00 158.50 365.50 624.50 936.00 872.00 609.00 219.00 23.50 1.00 3885.50
1968 10.00 4.00 76.00 120.50 326.50 626.50 921.50 795.00 534.50 189.50 11.00 0.00 3615.00
1969 0.00 0.00 19.50 282.50 464.50 551.50 913.00 978.00 645.50 86.50 37.00 0.00 3978.00
1970 0.00 0.00 4.50 69.50 478.00 758.00 982.50 984.00 473.50 122.50 12.50 0.00 3885.00
1971 0.00 0.50 31.00 191.00 440.00 762.00 799.50 1030.00 431.50 186.50 13.50 0.00 3885.50
1972 0.00 6.50 102.00 141.00 466.50 772.00 776.00 879.00 461.00 144.00 2.00 1.50 3751.50
1973 5.96 e 6.50 26.00 101.00 399.00 715.50 890.00 955.00 503.00 256.00 11.50 0.50 3869.96
1974 13.00 7.50 64.50 216.00 343.50 765.50 1047.50 727.00 439.50 272.50 22.50 0.00 3919.00
1975 0.00 0.00 10.50 101.00 405.00 638.00 1007.50 852.00 459.50 232.00 73.50 6.50 3785.50
1976 0.00 6.00 39.50 210.00 497.00 672.00 974.00 882.50 586.50 158.10 a 37.00 0.00 4062.60
1977 0.00 6.50 40.76 d 283.50 576.00 815.00 957.00 748.50 527.00 258.00 43.45 a 1.50 4257.21
1978 0.00 0.00 84.00 188.00 435.00 679.00 857.50 791.00 611.50 218.00 58.50 0.00 3922.50
1979 0.00 0.00 7.00 134.50 382.50 741.72 a 938.50 874.50 662.00 293.00 11.67 c 16.00 4061.39
1980 2.00 13.00 4.50 286.50 578.00 779.50 1024.50 769.50 533.50 212.50 f 14.50 g 44.00 4035.00
1981 7.00 27.50 29.00 296.00 478.50 668.00 991.50 909.00 590.00 167.00 50.50 5.00 4219.00
1982 0.00 39.50 44.00 157.00 367.00 622.50 888.50 938.00 492.50 165.50 6.00 0.00 3720.50
1983 0.00 26.50 35.00 123.00 347.00 684.50 1012.00 1139.00 523.00 261.50 55.00 0.00 4206.50
1984 7.00 7.50 23.50 148.50 431.00 694.00 998.50 1023.50 445.00 182.00 7.50 0.00 3968.00
1985 0.00 0.00 17.00 288.50 599.50 621.50 1035.00 846.50 451.50 196.00 32.50 0.00 4088.00
1986 2.00 19.00 144.00 211.50 451.50 862.00 958.50 938.50 451.00 261.00 23.50 0.00 4322.50
1987 9.50 21.00 68.00 374.50 638.50 811.00 973.00 814.00 549.00 214.00 47.00 16.50 4536.00
1988 3.00 23.00 69.00 244.50 664.00 1130.50 1123.50 964.50 552.00 309.00 42.50 24.50 5150.00
1989 6.50 1.00 63.00 202.00 472.50 697.00 1059.50 937.50 586.50 248.50 66.50 6.50 4347.00
1990 0.00 6.50 46.50 211.00 435.00 758.00 999.00 979.00 710.50 211.50 70.00 4.00 4431.00
1991 1.50 17.50 53.00 179.00 512.00 793.00 1012.50 1049.50 592.50 259.50 16.50 0.50 4487.00
1992 20.50 46.00 116.00 248.00 545.00 788.00 776.00 833.50 609.00 306.00 20.50 0.00 4308.50
1993 0.00 0.00 92.00 206.00 587.50 672.00 768.50 819.00 485.50 236.50 12.50 0.00 3879.50
1994 0.00 0.00 k 81.00 283.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 364.50
1995 6.50 73.00 119.50 42.00 q 363.50 698.00 940.00 1004.50 553.00 226.00 74.00 16.00 4074.00
1996 10.50 19.00 12.50 207.50 349.00 823.00 934.50 999.00 564.00 235.00 8.50 0.00 4162.50
1997 0.00 c 5.00 97.00 154.66 a 434.50 821.50 958.50 934.50 684.50 297.50 35.50 0.00 4423.16
1998 0.00 a 1.00 44.00 227.00 552.50 568.00 1115.00 1021.00 789.00 256.00 47.50 14.98 a 4635.98
1999 1.50 21.00 118.32 a 207.41 a 420.50 704.50 1040.57 a 1035.50 460.50 314.50 172.00 10.50 4506.80
2000 0.00 25.50 91.50 260.50 554.00 728.79 a 1141.50 1057.00 626.50 352.50 4.00 0.00 a 4841.79
2001 3.00 0.00 31.52 a 240.50 583.00 808.00 1111.00 1129.43 a 723.10 a 280.03 a 116.50 0.50 5026.59
2002 15.50 14.50 8.00 198.50 417.00 867.50 1228.50 922.00 671.00 160.00 73.00 6.00 4581.50
2003 15.50 4.00 91.50 340.00 506.50 700.50 1143.50 1169.00 558.50 391.00 21.00 0.00 4941.00
2004 1.50 19.50 168.50 315.50 497.50 715.00 1050.00 891.00 608.50 304.00 70.00 11.00 4652.00
2005 42.50 21.50 93.50 260.50 433.50 320.00 q 1148.00 911.00 674.00 289.00 67.00 3.50 3944.00
2006 15.00 17.50 31.50 219.00 f 172.50 t 172.00 v 306.50 x 1048.00 544.00 217.50 66.50 0.00 1940.00
2007 5.00 1.50 224.50 233.50 548.00 843.00 1197.00 1038.00 636.00 315.00 83.00 10.00 5134.50
2008 0.00 a 1.50 18.50 140.50 404.50 690.50 1024.50 1023.00 550.50 235.00 80.50 1.00 4170.00
2009 10.50 8.00 74.00 172.00 514.50 669.00 924.00 877.00 752.00 102.50 57.00 0.00 4160.50
2010 0.00 0.00 85.00 194.00 387.00 716.50 991.00 993.50 593.50 418.00 82.50 0.00 4461.00
2011 1.50 13.50 45.43 b 172.00 381.50 727.76 a 1109.50 985.36 c 689.00 365.00 25.00 10.00 4525.55
2012 15.00 0.00 300.00 327.86 b 308.50 i 441.50 m 1211.77 c 982.46 e 679.50 236.50 58.50 7.00 3818.59
2013 0.00 1.00 60.50 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 61.50
Period of Record Statistics
MEAN 3.71 10.16 57.09 200.16 467.39 722.52 989.89 931.20 568.83 257.78 38.29 5.75 4232.54
S.D. 6.69 13.61 49.59 72.59 87.65 104.30 103.21 92.01 100.60 74.22 32.26 10.60 369.98
SKEW 3.03 2.16 2.10 0.29 0.21 0.68 -0.09 0.10 -0.27 0.21 1.37 3.47 0.31
MAX 42.50 73.00 300.00 374.50 664.00 1130.50 1228.50 1169.00 789.00 476.00 172.00 68.00 5150.00
MIN 0.00 0.00 0.00 47.00 312.00 521.00 768.50 727.00 215.00 86.50 1.00 0.00 3509.00
NO YRS 80 80 80 79 78 76 80 78 79 79 78 80 69