BABB 6 NE, MONTANA

Monthly Total Growing Degree Days

(240392)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201105
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
1906 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 38.50 n 345.50 264.00 129.00 34.50 m 0.00 h 0.00 f 738.50
1907 0.00 a 0.00 0.00 i 0.00 a 16.50 78.00 184.81 e 141.05 a 35.00 h 63.79 e 0.00 c 0.00 a 484.15
1908 0.00 0.00 0.00 4.00 22.00 85.50 340.00 219.58 a 169.50 24.00 2.00 0.00 866.58
1909 0.00 0.00 0.00 0.00 16.00 115.00 162.00 g 233.50 166.50 10.00 0.00 0.00 b 541.00
1910 0.00 0.00 0.00 49.00 46.50 152.50 339.00 156.50 99.00 24.50 0.00 0.00 867.00
1911 0.00 0.00 0.00 0.00 33.00 148.00 174.50 91.00 28.97 a 30.50 0.00 0.00 505.97
1912 0.00 a 0.00 a 5.17 a 1.00 48.16 c 205.50 143.50 118.50 14.50 10.00 0.00 0.00 z 546.33
1913 0.00 0.00 0.00 0.00 a 0.00 z 0.00 z 94.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1914 0.00 0.00 a 0.00 9.83 a 47.00 126.00 565.00 318.00 197.00 69.00 0.00 0.00 1331.83
1915 0.00 0.00 z 0.00 z 58.50 11.00 57.00 194.50 414.00 51.50 31.50 0.00 0.00 818.00
1916 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 278.00 101.11 c 2.50 0.00 a 0.00 c 381.61
1917 0.00 c 0.00 0.00 0.00 b 28.00 123.50 420.50 267.00 121.50 44.50 18.50 0.00 1023.50
1918 0.00 0.00 a 0.00 0.00 38.50 274.00 353.92 a 303.05 b 108.21 b 37.41 b 0.00 z 0.00 l 1115.10
1919 0.00 0.00 z 0.00 z 12.00 124.00 230.00 405.50 435.50 178.00 13.50 11.50 0.00 1410.00
1920 0.00 a 0.00 a 0.00 0.00 31.00 307.50 631.00 535.00 319.14 a 76.00 0.00 0.00 1899.64
1921 0.00 a 0.00 a 0.00 a 2.50 65.00 244.00 330.50 302.50 75.00 58.00 0.00 z 0.00 1077.50
1922 0.00 0.00 0.00 1.50 46.00 235.18 b 268.50 375.50 180.00 14.50 7.00 0.00 z 1128.18
1923 0.00 0.00 0.00 14.50 36.68 a 129.00 347.50 248.00 108.50 14.00 0.00 0.00 898.18
1924 0.00 0.00 0.00 0.00 64.00 67.00 239.50 0.00 z 28.00 m 8.35 e 0.00 e 0.00 a 378.85
1925 0.00 a 0.00 b 0.00 m 4.44 c 18.00 r 179.00 g 323.36 b 227.00 44.50 15.50 0.00 a 0.00 614.81
1926 0.00 g 0.00 0.00 40.50 15.50 121.50 353.00 215.50 11.00 31.00 g 0.00 j 0.00 l 757.00
1927 0.00 0.00 0.00 a 13.45 a 11.88 a 119.48 a 277.45 a 233.61 c 66.96 b 65.74 b 0.00 0.00 788.58
1928 0.00 0.00 b 0.00 c 6.72 a 140.53 a 76.03 a 317.75 a 182.50 77.59 a 3.00 k 2.00 0.00 803.13
1929 0.00 0.00 0.00 0.00 d 40.00 119.00 289.00 347.20 a 54.83 a 49.00 1.55 a 0.00 b 900.58
1930 0.00 0.00 d 0.00 9.83 a 17.00 141.00 308.97 a 342.03 a 98.50 5.00 3.46 d 0.00 z 925.79
1931 1.50 0.00 0.00 2.50 88.87 a 207.00 323.00 336.00 90.00 b 6.41 b 4.50 0.00 1059.78
1932 0.00 4.00 0.00 2.00 54.50 208.97 a 334.50 194.50 m 110.00 36.88 b 1.00 0.00 751.84
1933 0.00 0.00 0.00 2.50 35.65 a 214.50 342.55 a 297.00 48.10 a 53.45 b 16.00 1.03 a 1010.79
1934 0.00 2.00 4.00 33.50 139.00 114.00 299.00 278.00 72.50 77.00 2.00 1.03 a 1022.03
1935 0.00 0.00 0.00 0.00 24.50 114.50 342.00 255.50 119.50 46.00 m 0.00 a 0.00 856.00
1936 0.00 0.00 0.00 24.50 137.00 235.50 487.00 371.00 104.00 57.50 11.50 0.00 1428.00
1937 0.00 0.00 0.00 1.00 50.50 154.50 381.50 250.50 135.00 42.00 0.00 0.00 1015.00
1938 0.00 0.00 0.00 4.00 63.50 194.50 365.50 207.50 243.50 15.00 0.00 0.00 1093.50
1939 0.00 0.00 a 9.50 25.50 88.00 61.00 406.50 315.50 86.00 10.00 9.00 9.50 1020.50
1940 0.00 0.00 0.00 6.00 86.50 193.50 350.50 287.50 146.50 56.00 0.00 0.00 1126.50
1941 0.00 j 0.00 0.00 4.00 53.00 163.50 397.50 286.00 17.00 2.00 0.00 0.00 923.00
1942 0.00 0.00 0.00 9.00 32.00 63.00 276.00 255.50 100.00 72.50 0.00 0.00 808.00
1943 0.00 0.00 0.00 10.50 8.50 44.00 275.50 237.00 87.00 73.50 0.50 0.00 736.50
1944 0.00 0.00 0.00 1.50 98.50 125.00 310.50 230.50 155.50 54.50 0.00 0.00 976.00
1945 0.00 m 0.00 0.00 0.50 23.00 107.00 381.50 321.50 88.00 85.00 0.00 0.00 1006.50
1946 0.00 0.00 0.00 23.00 26.50 105.00 347.00 288.00 102.00 0.50 3.00 0.00 b 895.00
1947 0.00 0.00 0.00 12.50 47.50 99.00 385.50 237.50 99.50 41.00 6.50 0.00 929.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 241.50 246.50 122.00 44.00 0.00 0.00 654.00
1949 0.00 0.00 0.00 21.50 84.00 117.00 267.50 296.05 a 116.50 5.17 a 11.50 0.00 a 919.22
1950 0.00 0.00 a 0.00 3.00 33.50 132.00 260.92 a 213.00 141.50 13.50 4.50 0.00 801.92
1951 0.00 0.00 0.00 0.00 26.00 40.00 277.50 185.00 52.24 a 29.50 0.00 0.00 610.24
1952 0.00 0.00 0.00 31.00 24.50 89.00 244.00 228.00 155.00 37.50 0.50 0.50 810.00
1953 0.00 0.00 0.00 0.00 14.47 a 60.00 265.05 a 289.00 94.44 c 40.62 b 0.00 0.00 763.58
1954 0.00 2.50 0.00 1.50 41.50 85.50 277.00 216.00 70.00 21.50 8.00 0.00 723.50
1955 0.00 0.00 0.00 0.00 10.50 122.00 271.00 203.50 j 124.50 31.50 0.00 k 0.00 d 559.50
1956 0.00 0.00 0.00 2.50 94.50 145.50 298.00 264.00 119.00 9.50 0.00 2.00 935.00
1957 0.00 0.00 0.00 10.00 24.00 93.00 277.00 191.50 128.50 24.50 0.00 0.00 748.50
1958 0.00 0.00 0.00 3.50 138.00 126.00 260.00 358.00 81.00 39.00 0.00 0.00 1005.50
1959 0.00 0.00 0.00 2.50 13.00 149.50 315.50 184.50 75.50 26.00 3.00 0.00 769.50
1960 0.00 0.00 4.00 12.50 39.00 136.00 399.38 a 250.00 146.00 24.50 0.00 0.00 1011.38
1961 0.00 0.00 0.00 0.00 94.00 323.57 b 351.00 453.50 47.50 71.00 0.00 0.00 1340.57
1962 1.00 3.50 0.00 27.00 19.00 174.00 251.00 249.00 71.00 47.00 7.50 0.00 850.00
1963 0.00 0.50 0.00 10.50 44.50 120.00 252.50 297.00 227.00 60.50 0.00 0.00 1012.50
1964 0.00 0.00 0.00 2.00 32.00 117.00 296.00 188.50 16.50 71.00 0.00 0.00 723.00
1965 0.00 0.00 0.00 8.50 33.00 107.00 288.50 295.00 11.50 62.50 0.00 0.00 806.00
1966 0.00 b 0.00 3.50 0.00 81.00 85.00 257.50 249.00 176.00 25.50 0.00 0.00 877.50
1967 0.00 0.00 0.00 0.00 57.00 100.50 347.00 394.00 234.50 3.62 a 0.00 0.00 a 1136.62
1968 0.00 0.50 1.50 23.00 13.00 116.50 248.00 197.00 133.50 22.00 0.00 0.00 755.00
1969 0.00 0.00 0.00 6.00 87.50 166.50 255.00 346.00 144.50 0.00 7.00 0.00 1012.50
1970 0.00 2.50 0.00 0.00 49.50 278.50 378.00 348.00 73.00 30.50 0.00 0.00 1160.00
1971 0.00 0.00 0.00 0.00 59.00 91.50 276.50 458.50 55.50 53.00 0.00 0.00 994.00
1972 0.00 0.00 0.00 1.00 66.50 176.50 178.50 352.00 27.00 24.50 f 0.00 f 0.00 n 801.50
1973 0.50 0.00 0.00 0.00 81.50 178.50 336.50 316.00 19.50 w 11.00 i 0.00 0.00 913.00
1974 0.00 0.00 0.00 0.00 c 12.06 d 271.00 339.81 e 152.50 h 64.50 m 40.50 l 0.00 j 0.00 z 622.86
1975 0.00 e 0.00 e 0.00 k 0.00 g 11.50 l 83.00 h 164.00 q 0.00 z 51.50 k 25.00 k 6.00 l 0.00 n 0.00
1976 0.00 l 0.00 j 0.00 h 0.50 h 39.50 p 65.50 k 154.50 q 202.00 l 140.00 l 29.50 m 9.50 j 0.00 k 0.00
1977 0.00 j 0.00 i 0.00 h 32.50 i 39.27 a 225.00 280.00 225.00 73.39 b 11.50 h 0.00 h 0.00 k 842.66
1978 0.00 l 0.00 o 0.00 i 0.00 k 0.00 z 204.11 b 278.43 d 166.50 i 93.60 e 43.50 4.66 a 0.00 624.29
1979 0.00 0.00 0.00 0.00 a 53.50 177.78 c 361.27 e 350.50 211.55 a 62.50 3.00 0.00 a 1220.10
1980 0.00 0.00 0.00 i 41.00 69.75 c 102.50 g 271.50 g 84.00 l 97.78 c 58.90 a 8.50 17.00 292.93
1981 1.50 0.00 0.00 10.50 71.00 68.00 280.55 a 405.14 b 169.80 e 14.00 12.93 a 0.00 1033.42
1982 0.00 0.00 0.00 6.00 27.00 192.00 289.50 287.00 153.00 33.00 0.00 0.00 987.50
1983 0.00 0.00 0.00 2.00 63.50 136.00 321.50 443.00 90.00 22.50 1.50 0.00 1080.00
1984 1.00 0.00 0.00 16.00 37.00 130.00 360.50 391.00 56.50 47.50 0.00 0.00 1039.50
1985 0.00 a 0.00 0.00 18.62 a 111.60 a 153.50 449.50 245.00 21.00 7.50 0.00 0.00 m 1006.72
1986 0.00 a 4.31 b 7.75 a 6.50 137.00 286.00 251.00 382.50 27.00 33.00 0.00 0.00 j 1135.06
1987 0.00 0.00 4.50 53.00 103.50 283.00 318.50 195.50 161.00 36.50 0.00 0.00 1155.50
1988 0.00 0.00 b 1.50 11.50 109.50 315.00 376.50 356.00 169.00 79.50 8.00 0.00 1426.50
1989 0.00 0.00 0.00 13.00 38.50 200.50 393.00 272.50 110.50 17.00 2.50 0.00 1047.50
1990 0.00 0.00 0.00 17.50 38.50 175.50 353.00 380.50 204.50 13.50 9.00 0.00 1192.00
1991 0.00 0.00 0.00 2.50 37.50 108.00 375.00 402.50 142.00 109.00 0.00 0.00 a 1176.50
1992 0.00 7.50 0.00 50.00 90.50 270.00 a 213.50 295.00 113.00 62.00 0.00 0.00 1101.50
1993 0.00 a 0.00 0.00 0.00 129.50 132.50 142.00 212.00 109.00 27.00 0.00 k 1.00 753.00
1994 0.00 0.00 0.00 16.00 99.00 176.50 417.50 352.00 260.00 25.66 b 0.00 c 0.00 l 1346.66
1995 0.00 i 2.59 a 0.00 0.00 33.50 153.50 346.00 275.00 123.00 3.50 0.00 0.00 l 937.09
1996 0.00 l 0.00 a 0.00 9.00 5.17 a 215.00 363.00 421.00 74.50 28.00 0.00 j 0.00 1115.67
1997 0.00 0.00 1.50 2.00 55.50 206.50 311.00 379.00 210.00 29.00 0.00 c 0.00 k 1194.50
1998 0.00 l 0.00 a 0.00 b 24.00 78.50 135.50 380.00 256.00 m 153.50 j 44.95 a 0.00 j 0.00 z 662.95
1999 0.00 m 0.00 k 0.00 k 0.00 i 35.00 g 74.50 h 188.50 h 265.00 i 108.00 e 20.50 l 0.00 j 0.00 q 108.00
2000 0.00 j 0.00 k 0.00 i 11.00 j 26.50 i 141.60 e 256.50 l 260.00 i 47.50 h 11.00 m 0.00 i 0.00 j 141.60
2001 0.00 k 0.00 g 0.00 i 11.00 h 63.50 i 61.50 k 236.00 j 298.50 h 86.50 k 0.00 h 2.00 h 0.00 n 0.00
2002 0.00 j 0.00 0.00 n 0.00 32.00 k 190.00 449.50 181.50 73.00 j 0.00 l 1.00 p 0.00 l 821.00
2003 8.00 l 0.00 j 4.00 j 10.50 g 90.62 e 114.50 i 328.00 h 246.50 l 79.50 l 28.00 j 0.00 o 0.00 n 90.62
2004 0.00 j 0.00 p 3.00 h 6.50 h 8.50 j 104.50 i 248.50 i 223.00 h 42.00 j 13.50 j 0.00 k 0.00 p 0.00
2005 0.00 l 0.00 i 0.00 z 1.00 i 12.00 i 92.00 g 247.00 j 133.50 i 34.00 i 9.00 l 0.00 m 0.00 q 0.00
2006 0.00 n 0.00 j 0.00 f 3.00 j 77.50 j 129.50 i 0.00 z 270.50 h 84.50 j 2.00 j 3.00 k 0.00 o 0.00
2007 0.00 z 0.00 i 0.00 i 0.00 i 43.50 g 100.00 h 364.50 j 202.50 h 51.00 i 6.50 i 0.00 n 0.00 q 0.00
2008 0.00 m 0.00 n 0.00 o 0.00 g 34.50 i 52.00 l 0.00 z 0.00 z 0.00 z 17.50 q 0.00 m 0.00 o 0.00
2009 0.00 p 0.00 k 0.00 f 19.50 g 32.00 j 108.00 f 232.00 h 201.50 h 212.00 h 0.00 i 0.00 r 0.00 r 0.00
2010 0.00 p 0.00 i 0.00 h 5.00 g 35.50 j 88.50 h 144.50 i 140.50 g 29.00 i 9.50 k 0.00 s 0.00 z 0.00
2011 0.00 h 0.00 t 0.00 k 0.00 g 13.00 j 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 0.07 0.35 0.53 9.83 55.20 154.44 320.22 288.33 111.94 35.88 2.43 0.43 989.61
S.D. 0.28 1.17 1.68 13.52 36.12 66.76 79.50 84.15 60.86 24.12 4.21 2.24 227.63
SKEW 4.25 3.99 3.62 1.86 0.80 0.63 0.74 0.33 0.71 0.53 1.89 6.37 1.17
MAX 1.50 7.50 9.50 58.50 140.53 323.57 631.00 535.00 319.14 109.00 18.50 17.00 1899.64
MIN 0.00 0.00 0.00 0.00 5.17 40.00 142.00 91.00 11.00 0.00 0.00 0.00 505.97
NO YRS 82 86 81 87 86 87 88 84 86 82 79 75 55