BRIDGER, MONTANA

Monthly Total Cooling Degree Days

(241102)

Base Temperature = 65 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 0.00 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 0.00 0.00 a 0.00
1909 0.00 a 0.00 0.00 b 0.00 a 1.60 b 107.50 202.00 243.87 a 37.50 b 0.00 a 0.00 0.00 592.47
1910 0.00 a 0.00 0.00 c 0.00 b 0.00 b 109.44 c 186.00 68.09 c 6.72 a 0.00 a 0.00 0.00 a 370.26
1911 0.00 0.00 0.00 a 0.00 2.58 a 50.17 a 72.00 56.32 a 4.66 a 0.00 0.00 a 0.00 b 185.73
1912 0.00 0.00 0.00 a 0.00 c 1.50 66.50 55.59 b 40.50 3.00 0.00 a 0.00 c 0.00 a 167.09
1913 0.00 b 0.00 0.00 c 0.00 c 10.33 a 44.00 80.00 113.15 a 21.50 0.00 0.00 c 0.00 a 268.98
1914 0.00 0.00 0.00 0.00 b 0.00 a 24.50 152.00 69.48 b 21.00 0.00 0.00 b 0.00 266.98
1915 0.00 0.00 a 0.00 d 0.50 0.00 0.00 26.35 a 110.05 a 11.00 0.00 a 0.00 b 0.00 147.90
1916 0.00 0.00 a 0.00 g 0.00 z 0.00 z 25.00 170.50 83.00 16.00 0.00 0.00 0.00 a 294.50
1917 0.00 a 0.00 a 0.00 0.00 7.50 29.48 a 191.50 48.00 3.00 0.00 0.00 0.00 a 279.48
1918 0.00 z 0.00 b 0.00 0.00 4.00 148.00 j 134.73 e 79.50 13.50 0.00 0.00 0.00 231.73
1919 0.00 0.00 0.00 1.50 47.00 194.50 233.50 150.00 21.00 0.00 0.00 0.00 a 647.50
1920 0.00 0.00 0.00 f 0.00 6.00 23.79 a 168.00 150.00 25.50 0.00 0.00 0.00 373.29
1921 0.00 f 0.00 0.00 0.00 0.00 116.50 183.33 b 144.00 16.00 1.00 0.00 0.00 b 460.83
1922 0.00 0.00 0.00 0.00 6.00 69.50 134.50 221.50 33.00 9.82 a 0.00 0.00 a 474.32
1923 0.00 0.00 0.00 1.03 a 0.00 z 47.07 a 239.73 a 142.50 27.00 0.00 0.00 0.00 457.34
1924 0.00 b 0.00 0.00 0.00 0.00 1.00 126.58 a 0.00 z 11.50 0.00 0.00 0.00 z 139.08
1925 0.00 0.00 0.00 b 0.00 25.50 95.00 252.28 b 119.19 b 31.55 a 0.00 0.00 0.00 523.52
1926 0.00 a 0.00 0.00 0.00 a 0.00 a 72.00 189.62 a 84.00 0.00 0.00 0.00 0.00 345.62
1927 0.00 0.00 0.00 0.50 0.00 a 53.79 a 178.50 82.50 22.50 0.00 a 0.00 0.00 337.79
1928 0.00 0.00 a 0.00 n 0.50 39.00 1.00 183.00 143.00 1.50 0.00 0.00 z 0.00 a 368.00
1929 0.00 0.00 z 0.00 0.00 6.72 a 41.50 221.50 234.50 9.50 0.00 0.00 0.00 513.72
1930 0.00 0.00 0.00 0.00 0.00 27.00 218.55 a 0.00 z 0.00 z 0.00 n 0.00 0.00 245.55
1931 0.00 0.00 0.00 4.50 w 32.50 264.50 312.50 256.50 68.50 8.00 0.00 d 0.00 942.50
1932 0.00 0.00 0.00 0.00 2.50 79.50 111.08 a 110.00 2.50 0.00 a 0.00 0.00 305.58
1933 0.00 0.00 0.00 0.00 10.50 156.50 306.00 128.00 6.00 1.00 0.00 0.00 608.00
1934 0.00 0.00 0.00 0.00 75.95 a 82.50 243.57 c 186.00 b 38.50 g 1.50 0.00 a 0.00 a 589.52
1935 0.00 0.00 0.00 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 0.00
1936 0.00 j 0.00 0.00 c 0.00 f 75.90 b 181.07 b 454.31 b 154.00 g 50.36 b 0.00 0.00 0.00 761.64
1937 0.00 w 0.00 a 0.00 0.00 22.00 97.00 109.00 206.50 50.00 3.50 0.00 0.00 e 488.00
1938 0.00 0.00 0.00 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 0.00
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 0.00 n 0.00 a 0.00
1940 0.00 a 0.00 a 0.00 a 0.00 27.50 158.50 284.00 248.00 a 87.50 0.00 0.00 a 0.00 805.50
1941 0.00 0.00 0.00 0.00 23.80 c 96.00 205.63 a 162.48 b 1.50 0.00 0.00 50.00 539.42
1942 0.00 0.00 0.00 4.14 a 2.50 7.24 a 198.00 109.50 26.00 2.00 0.00 0.00 349.38
1943 0.00 0.00 0.00 0.00 8.00 44.00 218.55 a 152.00 17.00 2.00 0.00 z 0.00 a 441.55
1944 0.00 0.00 0.00 0.00 35.50 21.50 125.00 107.50 24.50 0.00 0.00 q 0.00 314.00
1945 0.00 0.00 0.00 0.00 a 0.50 32.00 222.50 182.00 58.00 0.00 0.00 0.00 495.00
1946 0.00 0.00 0.00 4.50 0.00 57.00 238.00 155.50 23.50 4.00 0.00 0.00 482.50
1947 0.00 0.00 a 0.00 0.00 6.50 20.00 287.00 191.50 27.50 14.50 0.00 0.00 547.00
1948 0.00 0.00 0.00 0.00 45.31 e 47.00 128.00 167.00 64.00 0.00 0.00 0.00 451.31
1949 0.00 0.00 0.00 0.00 42.00 62.00 187.50 201.00 2.50 0.00 0.00 0.00 495.00
1950 0.00 0.00 0.00 0.00 s 0.00 30.50 83.50 74.00 45.00 0.00 0.00 0.00 233.00
1951 0.00 0.00 0.00 0.00 19.50 13.50 212.50 116.50 2.00 2.50 0.00 0.00 366.50
1952 0.00 0.00 0.00 10.50 h 0.00 b 58.00 124.00 143.50 31.00 0.00 0.00 0.00 v 356.50
1953 0.00 0.00 0.00 0.00 0.00 55.00 212.35 a 132.00 25.50 4.00 0.00 0.00 428.85
1954 0.00 0.00 0.00 0.00 18.50 49.00 284.50 115.00 23.00 0.00 0.00 0.00 490.00
1955 0.00 0.00 0.00 0.00 7.00 38.50 179.00 185.50 61.00 11.00 0.00 0.00 482.00
1956 0.00 0.00 0.00 0.00 13.00 125.00 165.50 72.50 23.00 0.00 0.00 0.00 399.00
1957 0.00 0.00 0.00 0.00 1.00 40.50 231.50 166.50 24.00 2.50 0.00 0.00 466.00
1958 0.00 0.00 0.00 0.00 50.50 13.50 55.11 d 181.00 26.50 9.50 0.00 0.00 336.11
1959 0.00 0.00 0.00 0.00 0.00 95.50 188.50 146.00 44.00 0.00 0.00 0.00 474.00
1960 0.00 0.00 0.00 0.00 15.50 61.00 270.50 129.50 36.50 0.00 0.00 0.00 513.00
1961 0.00 0.00 0.00 0.00 17.50 146.50 233.00 216.50 8.00 0.00 0.00 0.00 621.50
1962 0.00 0.00 0.00 0.00 0.00 65.00 69.00 117.50 0.50 0.00 0.00 0.00 252.00
1963 0.00 0.00 0.00 0.00 0.00 36.00 163.00 137.00 44.00 5.50 0.00 0.00 385.50
1964 0.00 0.00 0.00 0.00 9.00 21.50 248.00 111.50 1.50 0.00 0.00 0.00 391.50
1965 0.00 0.00 0.00 0.00 0.00 12.50 133.50 103.00 0.50 2.00 0.00 0.00 251.50
1966 0.00 0.00 0.00 0.00 23.50 38.50 272.00 126.50 52.00 0.00 0.00 0.00 512.50
1967 0.00 0.00 0.00 0.00 11.50 27.00 182.00 142.00 66.00 0.00 0.00 0.00 428.50
1968 0.00 0.00 0.00 0.00 0.00 34.00 160.00 52.00 9.50 0.50 0.00 0.00 256.00
1969 0.00 0.00 0.00 0.50 18.00 25.00 122.50 210.50 42.50 0.00 0.00 0.00 419.00
1970 0.00 0.00 0.00 0.00 10.50 89.00 212.50 232.50 34.00 0.00 0.00 0.00 578.50
1971 0.00 0.00 0.00 0.00 13.50 64.00 113.50 313.00 37.00 0.00 0.00 0.00 541.00
1972 0.00 0.00 0.00 0.00 14.00 74.00 113.50 182.50 12.00 0.00 0.00 0.00 396.00
1973 0.00 0.00 0.00 0.00 13.50 101.00 195.00 199.00 11.50 0.00 0.00 z 0.00 520.00
1974 0.00 0.00 0.00 2.50 0.50 135.00 272.00 62.50 7.00 0.00 0.00 0.00 479.50
1975 0.00 0.00 0.00 0.00 5.00 13.50 0.00 z 91.00 8.00 12.50 0.00 0.00 130.00
1976 0.00 0.00 0.00 0.00 0.00 33.50 208.00 100.50 32.00 0.00 0.00 0.00 374.00
1977 0.00 0.00 0.00 0.00 2.00 100.00 222.50 75.00 19.50 0.50 0.00 0.00 419.50
1978 0.00 0.00 0.00 0.00 13.50 43.50 112.12 a 95.50 64.50 0.00 0.00 0.00 329.12
1979 0.00 0.00 0.00 0.00 7.50 73.50 181.00 121.50 40.00 0.00 z 0.00 0.00 423.50
1980 0.00 0.00 0.00 a 2.00 25.50 64.00 200.50 76.00 19.00 3.00 0.00 a 0.00 390.00
1981 0.00 0.00 0.00 0.00 0.00 23.00 175.50 165.50 41.50 0.00 0.00 0.00 405.50
1982 0.00 0.00 0.00 0.00 1.50 31.50 139.50 175.50 32.50 0.00 0.00 0.00 380.50
1983 0.00 0.00 0.00 0.00 3.50 39.00 221.50 277.50 45.00 0.00 0.00 0.00 586.50
1984 0.00 0.00 0.00 0.00 25.00 48.50 196.00 241.50 13.50 0.00 0.00 0.00 524.50
1985 0.00 0.00 0.00 0.00 26.00 72.00 262.50 96.00 4.50 0.00 0.00 0.00 461.00
1986 0.00 0.00 0.00 a 0.00 12.00 119.00 87.00 134.00 3.00 0.00 0.00 0.00 355.00
1987 0.00 0.00 0.00 0.50 23.00 97.00 157.00 62.50 27.00 0.00 0.00 0.00 367.00
1988 0.00 0.00 0.00 0.00 31.50 284.50 268.50 167.00 13.00 0.00 0.00 0.00 764.50
1989 0.00 0.00 0.00 0.00 4.00 63.50 299.50 127.50 21.50 0.00 0.00 0.00 516.00
1990 0.00 0.00 0.00 0.00 2.50 81.50 184.50 187.00 87.00 1.50 0.00 0.00 544.00
1991 0.00 0.00 0.00 0.00 8.00 35.50 217.50 259.00 41.50 9.50 0.00 0.00 571.00
1992 0.00 0.00 0.00 6.00 30.00 80.50 64.50 135.00 26.50 1.00 0.00 0.00 343.50
1993 0.00 0.00 0.00 0.00 9.00 36.50 30.50 53.50 6.00 0.00 0.00 l 0.00 n 135.50
1994 0.00 j 0.00 z 0.00 0.00 l 7.00 i 51.50 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 58.50 149.00 124.00 38.00 0.50 0.00 0.00 370.00
1998 0.00 0.00 a 0.00 1.50 4.00 2.00 109.00 142.00 153.50 0.00 0.00 u 0.00 412.00
1999 0.00 0.00 0.00 b 0.00 d 11.62 c 0.00 z 205.93 c 0.00 z 0.00 z 0.00 z 0.00 0.00 217.55
2000 0.00 0.00 a 0.00 0.00 18.00 64.50 306.00 260.00 0.00 z 0.00 0.00 0.00 a 648.50
2001 0.00 0.00 a 0.00 0.50 15.00 69.50 210.00 175.50 50.00 0.00 0.00 0.00 520.50
2002 0.00 0.00 0.00 0.00 7.00 71.00 252.50 41.50 37.50 0.00 0.00 0.00 409.50
2003 0.00 0.00 z 0.00 0.00 28.50 43.00 285.50 261.00 35.50 0.00 0.00 0.00 653.50
2004 0.00 0.00 0.00 0.00 1.50 19.50 151.00 61.50 13.50 1.00 0.00 0.00 248.00
2005 0.00 0.00 0.00 0.00 0.50 46.00 211.50 123.50 18.00 1.00 0.00 0.00 400.50
2006 0.00 0.00 0.00 0.00 12.50 50.00 273.00 125.00 3.00 0.00 0.00 0.00 463.50
2007 0.00 0.00 0.00 0.00 8.00 62.00 327.00 140.50 42.50 0.00 0.00 0.00 580.00
2008 0.00 0.00 0.00 0.00 9.50 15.00 141.00 144.50 2.50 0.00 0.00 0.00 312.50
2009 0.00 0.00 0.00 1.50 15.00 27.50 103.50 88.50 66.00 0.00 0.00 0.00 302.00
2010 0.00 0.00 0.00 0.00 2.00 36.50 152.50 141.50 10.50 8.00 0.00 0.00 351.00
2011 0.00 0.00 a 0.00 k 0.00 0.00 33.00 186.50 175.84 b 23.50 8.00 0.00 0.00 426.84
2012 0.00 0.00 0.00 5.50 6.00 82.00 299.50 162.50 25.00 0.00 0.00 0.00 580.50
2013 0.00 0.00 0.00 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 0.00 0.00 0.00 0.36 12.57 63.28 188.85 142.80 27.43 1.38 0.00 0.52 431.75
S.D. 0.00 0.00 0.00 1.11 15.40 50.36 73.67 60.21 24.05 3.08 0.00 5.08 129.56
SKEW 0.00 0.00 0.00 3.72 1.97 1.96 0.26 0.51 1.95 2.56 0.00 9.70 0.25
MAX 0.00 0.00 0.00 6.00 75.95 284.50 454.31 313.00 153.50 14.50 0.00 50.00 805.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 26.35 40.50 0.00 0.00 0.00 0.00 147.90
NO YRS 96 98 97 92 95 96 97 94 94 95 93 97 71