PORTLAND WSO CITY, OREGON

Period of Record General Climate Summary - Temperature

Station:(356761) PORTLAND WSO CITY
From Year=1928 To Year=1973
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean
Year Lowest
Mean
Year >=
90 F
<=
32 F
<=
32 F
<=
0 F
F F F F dd/yyyy
or
yyyymmdd
F dd/yyyy
or
yyyymmdd
F - F - # Days # Days # Days # Days
January 44.8 35.3 40.1 65 24/1935 8 31/1950 48.5 1953 28.1 1930 0.0 2.6 9.0 0.0
February 50.4 38.5 44.4 75 29/1968 7 02/1950 51.5 1968 33.9 1936 0.0 0.5 3.5 0.0
March 55.2 40.8 48.0 83 28/1930 23 05/1955 55.2 1934 42.6 1955 0.0 0.0 0.9 0.0
April 61.5 44.3 52.9 91 29/1957 31 01/1936 59.8 1934 47.5 1955 0.0 0.0 0.0 0.0
May 68.5 49.4 58.9 98 28/1972 36 02/1964 64.2 1958 53.8 1962 0.5 0.0 0.0 0.0
June 72.8 54.2 63.5 102 30/1942 42 02/1935 67.5 1940 59.2 1954 1.3 0.0 0.0 0.0
July 79.4 57.8 68.6 107 02/1942 46 02/1955 72.9 1941 63.9 1955 3.3 0.0 0.0 0.0
August 78.9 58.0 68.5 105 28/1967 47 29/1965 75.0 1967 64.4 1954 3.3 0.0 0.0 0.0
September 74.0 54.6 64.3 102 05/1944 39 25/1934 68.9 1957 59.7 1933 1.5 0.0 0.0 0.0
October 63.9 48.6 56.3 90 06/1952 29 30/1935 62.0 1952 50.9 1949 0.0 0.0 0.1 0.0
November 52.9 41.8 47.4 71 02/1949 15 15/1955 52.8 1949 42.4 1935 0.0 0.1 1.7 0.0
December 47.3 38.2 42.8 65 04/1945 6 30/1968 48.2 1950 38.1 1972 0.0 0.6 4.6 0.0
Annual 62.5 46.8 54.6 107 19420702 6 19681230 57.4 1958 52.0 1955 9.9 3.9 19.9 0.0
Winter 47.5 37.3 42.4 75 19680229 6 19681230 47.7 1934 36.7 1929 0.0 3.7 17.1 0.0
Spring 61.7 44.8 53.3 98 19720528 23 19550305 58.8 1934 48.2 1955 0.5 0.0 1.0 0.0
Summer 77.1 56.7 66.9 107 19420702 42 19350602 71.0 1967 62.6 1954 7.9 0.0 0.0 0.0
Fall 63.6 48.4 56.0 102 19440905 15 19551115 58.5 1967 53.6 1946 1.5 0.1 1.8 0.0
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