WILLAMINA, OREGON

Period of Record General Climate Summary - Precipitation

Station:(359372) WILLAMINA
From Year=1935 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 8.40 16.05 1970 0.38 1985 3.26 15/1974 20 15 6 2 4.0 68.6 1950
February 6.60 17.61 1999 1.01 1993 3.36 01/1987 17 13 5 1 1.0 10.8 1952
March 5.77 11.98 1983 0.98 1965 2.60 15/1967 18 13 4 1 1.3 34.6 1951
April 3.40 8.56 1937 0.62 1977 2.60 27/1962 15 9 2 0 0.0 2.0 1975
May 2.07 4.72 1998 0.00 1992 1.42 05/1979 11 6 1 0 0.0 0.0 1936
June 1.31 5.75 1947 0.02 1951 3.15 07/1985 8 4 1 0 0.0 0.0 1936
July 0.39 2.39 1987 0.00 1937 1.37 19/1987 3 1 0 0 0.0 0.0 1935
August 0.56 3.54 1968 0.00 1936 2.06 14/1987 4 2 0 0 0.0 0.0 1935
September 1.47 4.15 1978 0.00 1942 1.77 04/1945 7 4 1 0 0.0 0.0 1935
October 3.79 10.62 1947 0.12 1987 3.20 27/1994 13 9 2 1 0.1 10.0 1935
November 7.66 19.49 1973 0.36 1936 4.81 18/1996 18 14 6 2 0.4 11.8 1955
December 9.51 22.00 1996 1.92 1976 3.60 03/2007 20 15 7 3 1.7 29.0 1964
Annual 50.92 84.33 1996 33.01 1985 4.81 19961118 154 104 34 10 8.5 73.6 1950
Winter 24.51 40.49 1956 6.39 1977 3.60 20071203 57 42 18 6 6.7 71.1 1950
Spring 11.24 17.48 1983 5.32 2007 2.60 19620427 45 28 7 1 1.3 34.6 1951
Summer 2.25 7.25 1947 0.09 2003 3.15 19850607 15 7 1 0 0.0 0.0 1936
Fall 12.91 26.52 1973 1.74 1936 4.81 19961118 38 26 9 2 0.5 11.8 1955
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