NEWHALEM, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(457690) SKAGIT POWER PLANT
From Year=1909 To Year=1958
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 37.6 28.8 33.2 57 20/1942 -6 14/1950 40.1 1931 18.2 1950 0.0 5.5 19.9 0.3
February 43.5 31.0 37.2 71 06/1941 -4 07/1936 46.4 1934 26.1 1936 0.0 1.6 16.6 0.0
March 50.6 33.7 42.2 78 12/1934 9 04/1955 51.6 1934 35.0 1955 0.0 0.2 12.6 0.0
April 61.0 38.5 49.8 91 19/1934 26 02/1936 59.4 1934 43.1 1954 0.1 0.0 3.4 0.0
May 69.2 44.3 56.8 98 26/1947 31 04/1949 62.5 1958 52.2 1950 0.8 0.0 0.1 0.0
June 73.2 48.7 61.0 109 25/1925 35 01/1933 69.9 1932 55.8 1954 2.2 0.0 0.0 0.0
July 79.6 52.0 65.8 109 16/1941 41 06/1932 72.9 1958 60.2 1955 4.9 0.0 0.0 0.0
August 78.1 52.4 65.3 105 27/1933 36 28/1945 70.1 1933 60.3 1954 4.0 0.0 0.0 0.0
September 71.8 48.9 60.4 99 05/1944 32 21/1931 65.4 1957 56.0 1911 1.5 0.0 0.1 0.0
October 59.0 43.2 51.1 89 10/1933 23 30/1935 57.7 1952 45.8 1912 0.0 0.0 0.8 0.0
November 46.7 36.3 41.5 72 05/1933 7 13/1955 49.4 1949 34.8 1955 0.0 0.5 7.1 0.0
December 40.6 32.6 36.7 65 10/1934 6 30/1927 43.9 1925 30.8 1927 0.0 2.1 14.6 0.0
Annual 59.2 40.9 50.1 109 19250625 -6 19500114 53.8 1934 47.5 1913 13.5 9.8 75.3 0.4
Winter 40.6 30.8 35.7 71 19410206 -6 19500114 41.6 1926 28.7 1950 0.0 9.1 51.2 0.4
Spring 60.3 38.8 49.6 98 19470526 9 19550304 56.8 1934 45.6 1950 0.8 0.2 16.2 0.0
Summer 77.0 51.0 64.0 109 19250625 35 19330601 68.9 1958 59.2 1954 11.1 0.0 0.0 0.0
Fall 59.2 42.8 51.0 99 19440905 7 19551113 54.6 1952 47.0 1911 1.5 0.5 7.9 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