ST IGNATIUS, MONTANA

Period of Record General Climate Summary - Precipitation

Station:(247286) ST IGNATIUS
From Year=1896 To Year=2010
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 3.24 1963 0.00 1944 0.86 28/1959 10 3 0 0 11.3 54.5 1963
February 0.76 2.19 2000 0.04 1920 0.90 13/1926 8 3 0 0 8.0 40.6 1936
March 1.04 2.54 1934 0.00 1896 1.42 12/1946 9 3 0 0 6.4 23.2 2002
April 1.43 4.40 1925 0.08 1977 2.14 30/1951 9 4 1 0 1.8 11.0 1945
May 2.30 8.19 1980 0.26 1897 1.99 25/1980 11 6 1 0 0.4 10.0 1896
June 2.51 5.24 1916 0.17 1919 2.56 08/1964 11 6 1 0 0.0 2.0 1916
July 1.12 3.84 1987 0.00 1985 2.68 22/1987 6 3 1 0 0.0 0.0 1909
August 1.17 4.51 2010 0.00 1955 2.09 20/1923 6 3 1 0 0.0 0.6 1910
September 1.43 4.44 1968 0.00 1990 1.86 15/1959 8 4 1 0 0.1 5.5 1926
October 1.19 4.30 1914 0.05 1978 1.96 02/1946 8 4 0 0 1.0 14.0 1914
November 1.07 4.04 1897 0.11 1917 1.24 04/1927 10 3 0 0 5.8 32.9 1959
December 0.98 4.65 1996 0.02 2004 1.18 23/1996 9 3 0 0 9.2 36.6 1977
Annual 15.95 25.15 1916 8.77 1935 2.68 19870722 105 47 7 1 43.9 93.1 1996
Winter 2.69 5.63 1959 0.64 2005 1.18 19961223 27 9 1 0 28.4 75.3 1956
Spring 4.77 10.48 1980 1.53 1999 2.14 19510430 29 14 2 0 8.5 31.2 2002
Summer 4.80 9.00 1923 0.78 1919 2.68 19870722 24 13 3 0 0.0 2.0 1916
Fall 3.69 8.62 1897 0.80 1987 1.96 19461002 26 11 1 0 6.9 32.9 1959
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