HAMILTON, MONTANA

Period of Record General Climate Summary - Precipitation

Station:(243885) HAMILTON
From Year=1895 To Year=2004
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 0.95 3.51 1974 0.00 1900 1.09 15/1974 9 3 0 0 7.1 26.0 1957
February 0.79 2.87 1986 0.00 1915 1.12 25/1917 7 3 0 0 4.1 25.1 1949
March 0.74 2.14 1989 0.00 1911 0.73 05/1951 8 3 0 0 4.4 25.5 1955
April 0.89 3.38 1912 0.00 1917 1.34 10/1996 7 3 0 0 0.5 6.0 1955
May 1.56 4.68 1980 0.00 1924 2.23 15/1952 9 4 1 0 0.3 6.5 2002
June 1.71 4.35 1907 0.00 1924 1.93 25/1965 10 5 1 0 0.0 0.0 1949
July 0.82 2.52 1998 0.00 1901 1.13 25/1921 6 3 0 0 0.0 0.0 1949
August 0.86 3.54 1922 0.00 1901 1.74 20/1974 6 3 0 0 0.0 0.0 1949
September 1.06 3.35 1910 0.00 1917 1.70 06/1911 6 3 0 0 0.0 1.0 1957
October 0.89 3.73 1975 0.00 1921 1.19 11/1911 7 3 0 0 0.2 5.0 1973
November 1.00 3.18 1962 0.00 1917 1.55 20/1962 8 3 0 0 3.1 21.0 1955
December 0.94 5.56 1964 0.00 1914 1.58 22/1964 8 3 0 0 6.0 27.5 1951
Annual 12.21 20.11 1980 4.90 1899 2.23 19520515 91 38 4 1 25.7 89.2 1955
Winter 2.68 7.07 1997 0.00 1920 1.58 19641222 24 9 1 0 17.1 49.0 1952
Spring 3.20 7.44 1912 0.41 1918 2.23 19520515 24 10 1 0 5.2 32.5 1955
Summer 3.38 8.09 1993 0.00 1924 1.93 19650625 21 10 1 0 0.0 0.0 1949
Fall 2.95 7.22 1946 0.43 1987 1.70 19110906 21 9 1 0 3.4 21.0 1955
Table updated on Jul 28, 2006
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