HILLSBORO, OREGON

Period of Record General Climate Summary - Precipitation

Station:(353908) HILLSBORO
From Year=1929 To Year=2003
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 5.99 11.99 1953 0.32 1985 2.84 15/1974 20 13 4 1 3.3 42.4 1950
February 4.42 10.31 1999 0.38 1964 2.68 10/1949 16 10 3 1 1.0 10.0 1937
March 3.93 8.32 1961 0.50 1965 1.87 30/1943 17 11 2 0 0.2 5.0 1960
April 2.20 6.35 2003 0.23 1933 1.82 05/1991 14 7 1 0 0.0 2.5 1936
May 1.75 4.77 1998 0.13 1992 1.17 13/1978 11 6 1 0 0.0 0.0 1930
June 1.42 4.38 1984 0.00 1940 2.04 07/1985 8 4 1 0 0.0 0.0 1930
July 0.46 2.81 1983 0.00 1931 1.25 19/1983 3 2 0 0 0.0 0.0 1931
August 0.73 3.84 1968 0.00 1931 1.33 01/1985 4 2 0 0 0.0 0.0 1930
September 1.43 3.68 1945 0.00 1965 1.72 04/1945 7 4 1 0 0.0 0.0 1930
October 2.98 8.41 1950 0.11 1988 2.60 27/1994 12 8 2 0 0.0 0.0 1930
November 5.63 12.76 1973 0.40 1936 3.40 19/1996 19 12 4 1 0.2 6.6 1955
December 6.80 13.95 1933 1.54 1976 3.31 27/1937 20 14 5 1 0.8 13.1 1968
Annual 37.74 61.03 1996 23.70 1930 3.40 19961119 152 91 23 5 5.5 44.1 1950
Winter 17.21 27.14 1983 4.84 1977 3.31 19371227 56 37 12 3 5.0 44.1 1950
Spring 7.88 13.42 1961 3.26 1939 1.87 19430330 42 23 4 0 0.3 5.0 1960
Summer 2.61 6.46 1968 0.43 1970 2.04 19850607 16 8 1 0 0.0 0.0 1932
Fall 10.04 18.79 1973 1.41 1936 3.40 19961119 38 24 6 2 0.2 6.6 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