date! ,

Period of Record General Climate Summary - Precipitation

Station:(217460) SANDY LAKE DAM LIBBY
From Year=1893 To Year=2012
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.		 >=
0.10 in.		 >=
0.50 in.		 >=
1.00 in.		 Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd		 # Days # Days # Days # Days in. in. -
January 0.73 3.56 1975 0.03 1963 1.26 11/1975 7 3 0 0 12.1 43.6 1975
February 0.59 3.07 1971 0.00 1912 2.25 23/1893 5 2 0 0 8.5 27.5 1955
March 1.18 3.39 2009 0.04 1895 1.43 15/1945 7 3 1 0 9.8 50.1 1965
April 2.00 6.65 1896 0.05 1926 2.96 15/1894 8 5 1 0 3.8 28.7 1950
May 3.28 8.42 2012 0.10 1917 2.95 29/1978 11 7 2 1 0.3 6.0 1954
June 4.24 12.42 1944 0.54 1900 5.06 20/2012 12 8 3 1 0.0 0.0 1916
July 3.99 13.41 1897 0.04 1894 4.65 28/1972 10 7 3 1 0.0 0.0 1934
August 3.64 12.96 1953 0.06 1894 4.23 31/1989 10 7 2 1 0.0 0.0 1933
September 2.90 10.67 1986 0.24 2009 4.24 01/1986 10 6 2 1 0.0 1.0 1908
October 2.09 6.13 1971 0.00 1893 4.33 02/1995 8 5 1 0 1.4 16.5 1951
November 1.18 3.80 1905 0.05 1941 1.80 28/1905 7 3 1 0 6.7 29.5 1988
December 0.75 2.22 1893 0.06 1919 1.09 15/1893 7 3 0 0 10.3 26.0 1969
Annual 26.56 44.36 1953 14.92 1976 5.06 20120620 102 58 16 5 52.9 115.2 1965
Winter 2.06 5.46 1897 0.58 1931 2.25 18930223 19 7 0 0 30.9 69.4 1937
Spring 6.46 14.40 1896 2.43 1926 2.96 18940415 26 15 4 1 13.9 52.1 1965
Summer 11.87 26.76 1953 0.76 1894 5.06 20120620 32 21 8 3 0.0 0.0 1934
Fall 6.17 13.90 1965 1.24 1976 4.33 19951002 24 14 4 1 8.1 29.5 1988
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