WHITE SWAN, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(459191) WHITE SWAN
From Year=1927 To Year=1981
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 1.50 4.89 1970 0.07 1962 1.20 27/1954 7 4 1 0 11.7 51.0 1954
February 1.00 3.99 1940 0.00 1964 0.85 09/1961 6 3 0 0 3.5 16.7 1975
March 0.64 2.33 1971 0.00 1942 1.01 31/1931 4 2 0 0 1.3 11.0 1960
April 0.53 1.72 1937 0.00 1949 1.10 04/1930 3 2 0 0 0.0 0.3 1928
May 0.29 0.99 1953 0.00 1934 0.66 11/1951 2 1 0 0 0.0 0.0 1933
June 0.57 2.80 1931 0.00 1934 1.82 11/1948 3 2 0 0 0.0 0.0 1933
July 0.20 1.38 1958 0.00 1929 1.15 29/1958 1 1 0 0 0.0 0.0 1930
August 0.22 1.69 1968 0.00 1930 1.23 18/1975 2 1 0 0 0.0 0.0 1930
September 0.24 0.99 1973 0.00 1932 0.52 05/1937 2 1 0 0 0.0 0.0 1934
October 0.51 1.97 1934 0.00 1942 1.10 21/1934 3 2 0 0 0.1 1.5 1935
November 1.11 4.45 1973 0.00 1943 1.26 24/1960 6 3 1 0 2.5 21.5 1955
December 1.69 4.85 1964 0.03 1944 1.34 21/1955 8 5 1 0 10.7 45.1 1964
Annual 8.51 13.21 1980 4.87 1959 1.82 19480611 47 26 3 0 29.8 55.4 1950
Winter 4.19 8.67 1956 0.99 1977 1.34 19551221 21 13 2 0 26.0 76.0 1956
Spring 1.46 3.92 1971 0.02 1973 1.10 19300404 9 5 1 0 1.3 11.0 1960
Summer 0.99 3.34 1948 0.00 1934 1.82 19480611 6 3 1 0 0.0 0.0 1943
Fall 1.87 6.41 1973 0.20 1976 1.26 19601124 11 6 1 0 2.5 12.0 1978
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