UMATILLA, OREGON

Period of Record General Climate Summary - Precipitation

Station:(358734) UMATILLA
From Year=1892 To Year=1965
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 1.05 2.87 1953 0.10 1934 1.05 09/1953 8 4 0 0 3.9 24.8 1950
February 0.85 2.76 1940 0.02 1903 0.72 01/1916 7 3 0 0 2.1 22.0 1916
March 0.68 2.19 1957 0.05 1902 0.90 22/1910 6 2 0 0 0.2 6.5 1897
April 0.55 1.44 1963 0.00 1924 0.65 26/1894 5 2 0 0 0.0 0.0 1902
May 0.62 2.68 1962 0.00 1924 1.05 22/1914 4 2 0 0 0.0 0.0 1902
June 0.56 1.83 1951 0.00 1902 1.20 28/1955 4 2 0 0 0.0 0.0 1902
July 0.16 1.59 1948 0.00 1893 0.97 07/1948 1 1 0 0 0.0 0.0 1902
August 0.25 1.89 1899 0.00 1904 0.84 31/1896 2 1 0 0 0.0 0.0 1909
September 0.45 2.05 1927 0.00 1931 1.00 02/1946 3 2 0 0 0.0 0.0 1906
October 0.69 4.14 1957 0.00 1901 3.13 02/1957 5 2 0 0 0.0 0.0 1902
November 1.07 3.13 1926 0.00 1936 1.26 25/1906 7 4 0 0 0.8 12.0 1921
December 1.09 5.40 1964 0.24 1932 0.92 23/1964 8 4 0 0 1.1 8.9 1955
Annual 8.01 13.73 1957 4.07 1934 3.13 19571002 59 29 2 0 8.2 30.1 1950
Winter 2.99 7.76 1965 1.16 1903 1.05 19530109 23 11 1 0 7.2 29.1 1950
Spring 1.85 4.33 1962 0.28 1924 1.05 19140522 15 7 0 0 0.2 1.0 1962
Summer 0.97 2.66 1941 0.00 1949 1.20 19550628 6 3 0 0 0.0 0.0 1915
Fall 2.20 5.66 1957 0.20 1936 3.13 19571002 15 8 1 0 0.8 12.0 1921
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