date! ,

Period of Record General Climate Summary - Temperature

Station:(217460) SANDY LAKE DAM LIBBY
From Year=1893 To Year=2012
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean
Year Lowest
Mean
Year >=
90 F
<=
32 F
<=
32 F
<=
0 F
F F F F dd/yyyy
or
yyyymmdd
F dd/yyyy
or
yyyymmdd
F - F - # Days # Days # Days # Days
January 18.6 -4.1 7.3 54 23/1942 -52 31/1899 21.8 1990 -9.7 1912 0.0 26.7 30.9 18.2
February 23.9 -0.6 11.7 57 24/1976 -49 05/1895 27.9 1987 -5.9 1936 0.0 20.9 28.0 14.5
March 35.9 12.8 24.5 78 27/1946 -40 01/1962 35.5 1946 10.2 1899 0.0 11.2 29.2 6.5
April 52.5 28.8 40.7 90 21/1980 -9 02/1899 50.3 1987 31.4 1950 0.0 1.0 20.1 0.2
May 65.8 41.1 53.5 101 31/1934 13 27/1895 63.0 1977 43.2 1907 0.1 0.0 5.3 0.0
June 74.5 51.1 62.8 97 20/1910 27 23/1917 69.4 1933 55.3 1917 0.7 0.0 0.3 0.0
July 79.5 56.2 67.9 102 28/1988 35 29/1925 74.0 1921 61.1 1992 2.0 0.0 0.0 0.0
August 76.9 54.1 65.6 101 18/1976 27 28/1934 72.4 1983 59.5 1927 0.9 0.0 0.1 0.0
September 67.6 45.5 56.6 95 10/1931 17 21/1934 63.1 1906 49.3 1965 0.2 0.0 2.7 0.0
October 55.7 34.8 45.3 86 13/1924 3 23/1936 56.9 1963 33.8 1925 0.0 0.6 12.9 0.0
November 37.3 20.3 28.9 74 03/1978 -32 29/1896 37.9 1899 19.5 1959 0.0 10.0 26.5 2.1
December 23.1 4.1 13.6 60 01/1962 -45 31/1898 25.8 1913 1.5 1983 0.0 23.9 30.6 12.4
Annual 50.9 28.7 39.9 102 19880728 -52 18990131 45.9 1987 33.9 1917 3.9 94.3 186.6 53.9
Winter 21.9 -0.2 10.9 60 19621201 -52 18990131 21.4 1987 0.1 1917 0.0 71.5 89.5 45.1
Spring 51.4 27.6 39.6 101 19340531 -40 19620301 48.1 1977 32.9 1950 0.1 12.2 54.7 6.7
Summer 77.0 53.8 65.4 102 19880728 27 19170623 69.8 1988 60.5 1915 3.6 0.0 0.4 0.0
Fall 53.5 33.5 43.6 95 19310910 -32 18961129 50.2 1963 38.3 1916 0.2 10.6 42.1 2.1
Table updated on Oct 31, 2012
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Seasons are climatological not calendar seasons
Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May
Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov.


Western Regional Climate Center, wrcc@dri.edu