SEATTLE WB AIRPORT, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(457483) SEATTLE WB AIRPORT
From Year=1948 To Year=1965
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 33.9 39.4 64 31/1960 3 31/1950 46.7 1953 27.2 1950 0.0 2.1 10.9 0.0
February 49.4 37.0 43.2 70 08/1963 4 01/1950 49.0 1958 37.3 1956 0.0 0.2 6.0 0.0
March 52.3 37.6 44.9 71 29/1964 16 04/1955 47.7 1961 40.9 1955 0.0 0.0 5.4 0.0
April 59.2 41.9 50.6 81 12/1951 30 07/1952 52.7 1962 46.8 1955 0.0 0.0 0.3 0.0
May 66.1 47.2 56.7 93 21/1963 30 01/1954 62.0 1958 52.9 1955 0.1 0.0 0.1 0.0
June 70.9 52.4 61.6 99 09/1955 41 12/1952 66.2 1958 58.1 1954 0.3 0.0 0.0 0.0
July 76.4 55.5 66.0 98 28/1958 45 03/1949 71.3 1958 62.1 1954 1.7 0.0 0.0 0.0
August 75.1 55.5 65.3 100 09/1960 46 30/1950 69.5 1961 62.4 1954 0.4 0.0 0.0 0.0
September 70.1 51.3 60.7 89 09/1963 36 30/1950 65.3 1963 58.4 1948 0.0 0.0 0.0 0.0
October 60.7 45.6 53.2 82 08/1951 28 19/1949 56.3 1963 49.3 1949 0.0 0.0 0.3 0.0
November 51.7 39.4 45.6 69 03/1949 8 15/1955 50.2 1949 40.7 1955 0.0 0.2 4.6 0.0
December 47.3 36.8 42.1 62 13/1952 11 16/1964 47.1 1950 37.7 1948 0.0 0.4 6.8 0.0
Annual 60.3 44.5 52.4 100 19600809 3 19500131 55.5 1958 49.9 1955 2.6 2.9 34.2 0.0
Winter 47.2 35.9 41.5 70 19630208 3 19500131 46.1 1958 36.0 1949 0.0 2.6 23.6 0.0
Spring 59.2 42.2 50.7 93 19630521 16 19550304 53.3 1958 46.8 1955 0.1 0.0 5.7 0.0
Summer 74.1 54.5 64.3 100 19600809 41 19520612 68.7 1958 60.9 1954 2.5 0.0 0.0 0.0
Fall 60.9 45.4 53.1 89 19630909 8 19551115 56.3 1963 50.7 1955 0.0 0.2 4.9 0.0
Table updated on Jul 28, 2006
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