BROADUS, MONTANA

Monthly Total Growing Degree Days

(241127)

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
1920 0.00 z 0.00 v 0.00 z 0.00 171.00 416.00 668.50 0.00 z 0.00 z 87.83 a 0.00 0.00 1343.33
1921 0.00 0.00 2.00 41.50 192.20 a 613.50 755.50 687.00 268.50 56.32 a 5.00 0.00 2621.52
1922 0.00 0.00 0.00 a 20.00 205.00 554.00 569.50 708.00 381.00 93.57 d 0.00 0.00 2531.07
1923 0.00 0.00 0.00 46.50 265.57 a 523.00 785.50 548.00 381.72 a 64.00 2.50 0.00 b 2616.79
1924 0.00 0.00 0.00 16.50 111.50 325.50 546.50 499.50 248.50 62.00 0.00 z 1.00 1811.00
1925 0.00 0.00 0.00 z 99.50 300.18 a 548.00 626.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1573.68
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 0.00 h 0.00
1937 0.00 d 0.00 2.21 c 27.00 294.00 439.00 747.21 b 565.00 g 410.36 b 55.11 d 0.00 0.00 f 1974.89
1938 0.00 0.00 3.00 80.69 a 149.50 486.00 668.50 611.00 410.50 132.00 0.00 0.00 2541.19
1939 0.00 0.00 b 13.50 79.50 327.50 326.50 782.00 548.81 d 330.00 45.50 0.00 0.00 2453.31
1940 0.00 0.00 1.00 39.00 218.00 375.50 f 768.00 632.00 446.50 121.42 a 0.00 a 0.00 2225.92
1941 0.00 0.00 0.50 37.76 a 287.50 424.44 c 719.41 b 615.00 198.00 22.70 c 0.00 1.50 2306.81
1942 0.00 f 0.00 0.00 81.00 115.22 a 298.50 603.90 e 568.50 284.00 100.50 0.00 0.00 2051.62
1943 0.00 0.00 14.00 68.00 142.00 366.00 662.00 672.00 240.00 110.00 0.00 0.00 2274.00
1944 0.00 a 0.00 a 0.00 8.00 269.50 270.00 534.50 517.50 250.34 a 63.50 0.00 0.00 1913.34
1945 0.00 0.00 1.50 19.50 124.50 227.50 642.50 609.00 214.50 73.00 4.00 0.00 1916.00
1946 0.00 0.00 5.50 76.00 85.50 369.00 666.50 517.00 253.50 30.00 0.00 0.00 2003.00
1947 0.00 0.00 0.00 30.00 137.00 267.32 b 698.50 714.00 301.03 a 133.00 0.00 0.00 2280.86
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 595.20 a 617.50 388.50 54.00 0.00 0.00 1655.20
1949 0.00 0.00 0.00 89.00 251.00 400.34 a 663.00 664.00 225.00 42.50 6.00 0.00 2340.84
1950 0.00 0.00 1.00 19.50 114.50 315.00 470.00 472.50 274.00 98.50 5.00 0.00 1770.00
1951 0.00 0.00 0.00 38.50 197.50 249.50 662.00 567.00 144.00 57.50 0.00 0.00 1916.00
1952 0.00 0.00 0.00 116.00 200.00 518.50 588.00 623.50 376.00 35.00 0.00 0.00 2457.00
1953 0.00 0.00 a 4.13 a 24.00 122.50 420.52 a 693.00 604.00 266.50 126.00 3.50 0.00 2264.15
1954 0.00 0.00 3.00 21.00 169.50 341.00 790.50 627.50 290.00 53.50 6.50 0.00 2302.50
1955 0.00 0.00 0.00 a 42.00 157.50 322.00 714.00 708.00 279.50 97.50 2.59 a 0.00 2323.09
1956 0.00 0.00 18.00 4.50 236.50 602.50 658.00 561.00 283.00 81.00 0.00 0.00 2444.50
1957 0.00 0.00 0.00 37.50 187.50 358.50 744.00 659.50 228.50 65.50 0.00 0.50 2281.50
1958 0.00 0.00 0.00 28.00 340.00 290.50 468.50 669.50 326.50 116.50 0.00 0.00 2239.50
1959 0.00 0.00 0.00 31.50 91.50 509.50 628.50 681.50 262.00 7.50 0.00 0.00 2212.00
1960 0.00 0.00 22.00 22.50 209.00 418.00 778.00 572.50 302.50 58.50 1.50 0.00 2384.50
1961 0.00 0.00 8.00 18.50 232.00 604.50 725.50 749.50 161.00 55.50 0.00 0.00 2554.50
1962 0.00 0.00 2.00 88.00 181.50 462.50 588.00 563.50 238.50 77.00 0.50 0.00 2201.50
1963 0.00 0.00 9.50 26.50 197.50 471.50 700.50 695.50 461.00 225.50 0.00 0.00 2787.50
1964 0.00 0.00 1.00 31.50 237.00 436.00 819.00 556.00 199.00 56.00 0.00 0.00 2335.50
1965 0.00 0.00 0.00 43.50 129.00 370.50 597.00 519.50 62.00 55.91 c 0.00 0.00 1777.41
1966 0.00 0.00 6.00 6.00 249.00 498.62 a 814.00 494.50 378.00 47.00 0.00 0.00 2493.12
1967 0.00 0.00 9.50 22.00 160.50 327.00 626.00 562.00 317.50 41.50 0.00 0.00 2066.00
1968 0.00 0.00 2.50 30.50 94.00 326.50 611.50 485.00 240.50 35.50 0.00 0.00 1826.00
1969 0.00 0.00 0.00 86.00 195.50 267.50 603.00 668.00 345.50 6.00 1.00 0.00 2172.50
1970 0.00 0.00 0.00 5.00 192.50 458.00 672.50 674.00 217.50 35.00 0.00 0.00 2254.50
1971 0.00 0.00 3.00 28.50 152.50 462.00 489.50 720.00 196.50 36.50 0.00 0.00 2088.50
1972 0.00 0.00 3.50 7.50 204.50 472.00 466.00 569.00 206.00 21.00 0.00 0.00 1949.50
1973 0.00 e 0.00 0.00 9.00 123.50 419.50 580.00 645.00 236.50 61.50 0.00 0.00 2075.00
1974 0.00 0.00 4.00 62.00 100.00 465.50 737.50 417.00 184.50 61.50 0.50 0.00 2032.50
1975 0.00 0.00 0.00 19.00 128.00 338.00 697.50 542.00 192.00 68.50 4.50 0.00 1989.50
1976 0.00 0.00 0.00 42.00 205.00 372.00 664.00 572.50 298.50 44.95 a 6.00 0.00 2204.95
1977 0.00 0.00 0.00 d 68.50 274.50 515.00 647.00 438.50 234.00 42.50 1.55 a 0.00 2221.55
1978 0.00 0.00 19.00 26.00 170.50 381.00 547.50 481.00 333.50 26.00 7.00 0.00 1991.50
1979 0.00 0.00 0.00 18.50 136.00 442.24 a 628.50 564.50 363.00 73.00 0.00 c 0.00 2225.74
1980 0.00 2.00 0.00 108.00 279.50 479.50 714.50 459.50 246.00 65.00 f 1.00 g 1.50 2290.50
1981 0.00 0.00 0.00 95.50 193.50 368.00 681.50 599.00 297.00 26.50 0.00 0.00 2261.00
1982 0.00 6.00 0.00 26.50 106.50 326.00 578.50 628.00 230.00 25.00 0.00 0.00 1926.50
1983 0.00 0.00 0.00 25.00 109.00 384.50 702.00 829.00 270.50 43.00 1.00 0.00 2364.00
1984 0.00 0.00 0.00 17.50 189.50 394.00 688.50 713.50 227.50 51.50 0.00 0.00 2282.00
1985 0.00 0.00 0.00 89.00 306.50 325.00 725.00 536.50 234.00 24.00 3.50 0.00 2243.50
1986 0.00 0.00 29.00 28.50 203.00 562.00 648.50 628.50 156.50 33.50 0.00 0.00 2289.50
1987 0.00 0.00 6.00 158.00 337.00 511.00 663.00 504.00 251.50 54.50 1.50 0.00 2486.50
1988 0.00 0.00 5.00 63.00 369.00 830.50 813.50 654.50 257.00 70.50 0.50 0.00 3063.50
1989 0.00 0.00 0.50 71.50 188.50 397.00 749.50 627.50 316.00 63.00 8.00 0.00 2421.50
1990 0.00 0.00 0.00 71.50 163.50 458.00 689.00 669.00 411.50 61.00 9.00 0.00 2532.50
1991 0.00 0.00 0.00 35.00 253.00 493.00 702.50 739.50 325.00 100.50 0.00 0.00 2648.50
1992 2.00 0.50 1.50 88.00 245.00 488.00 466.00 530.00 311.50 98.50 0.00 0.00 2231.00
1993 0.00 0.00 17.50 23.50 281.00 373.00 458.50 509.00 205.50 42.50 0.00 0.00 1910.50
1994 0.00 0.00 k 2.50 113.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 115.50
1995 0.00 4.50 10.50 1.50 q 94.50 410.00 630.00 694.50 290.50 50.00 2.00 1.50 2188.00
1996 0.00 0.00 0.00 60.00 113.50 523.00 624.50 689.00 286.00 80.50 0.00 0.00 2376.50
1997 0.00 c 0.00 23.00 22.24 a 164.50 521.50 648.50 624.50 388.00 99.00 0.00 0.00 2491.24
1998 0.00 a 0.00 3.00 50.50 267.00 283.00 805.00 711.00 490.00 37.50 0.50 0.00 a 2647.50
1999 0.00 0.00 14.98 a 46.55 a 153.50 404.50 730.57 a 725.50 185.00 80.00 29.50 0.00 2370.10
2000 0.00 0.00 2.00 71.00 264.00 430.86 a 831.50 747.00 355.50 98.00 0.00 0.00 a 2799.86
2001 0.00 0.00 0.00 a 92.50 280.00 508.00 801.00 819.43 a 423.10 a 72.33 a 1.50 0.00 2997.87
2002 0.00 2.00 0.00 43.00 183.50 567.50 918.50 612.00 377.50 21.00 0.00 0.00 2725.00
2003 0.00 0.00 16.00 112.50 245.00 400.50 833.50 859.00 269.50 149.50 5.00 0.00 2890.50
2004 0.00 0.00 36.00 85.50 218.50 415.00 740.00 581.00 312.00 80.00 6.50 0.00 2474.50
2005 1.50 2.50 5.50 73.00 183.00 190.00 q 838.00 601.00 379.00 79.50 0.50 0.00 2163.50
2006 0.00 0.00 3.50 47.50 f 72.50 t 92.00 v 236.50 x 738.00 267.00 68.50 11.50 0.00 1088.50
2007 0.00 0.00 53.00 69.50 246.00 543.00 887.00 728.00 349.50 87.50 2.50 0.00 2966.00
2008 0.00 a 0.00 0.00 36.50 151.50 395.00 714.50 713.00 252.00 67.50 10.00 0.00 2340.00
2009 0.00 0.00 12.00 38.50 238.50 379.50 614.00 567.00 454.00 11.00 3.00 0.00 2317.50
2010 0.00 0.00 5.50 35.50 151.00 416.50 681.00 683.50 300.00 164.00 15.00 0.00 2452.00
2011 0.00 0.00 0.00 b 12.50 107.50 427.76 a 799.50 675.36 c 390.50 133.00 0.00 0.00 2546.12
2012 0.00 0.00 79.00 122.68 b 113.00 i 271.50 m 901.77 c 672.46 e 379.50 56.00 2.50 0.00 2213.91
2013 0.00 0.00 0.50 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 0.50
Period of Record Statistics
MEAN 0.04 0.22 6.07 48.97 196.43 425.07 679.89 621.30 291.36 67.63 2.19 0.08 2328.93
S.D. 0.28 0.92 12.28 33.78 68.02 101.63 103.21 91.90 82.32 37.91 4.40 0.31 289.38
SKEW 6.28 4.81 3.70 0.83 0.37 0.77 -0.09 0.10 0.15 1.27 3.73 4.10 0.31
MAX 2.00 6.00 79.00 158.00 369.00 830.50 918.50 859.00 490.00 225.50 29.50 1.50 3063.50
MIN 0.00 0.00 0.00 0.00 85.50 227.50 458.50 417.00 62.00 6.00 0.00 0.00 1770.00
NO YRS 80 80 80 79 78 76 80 78 79 79 78 80 69