OMAK AP, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(456123) OMAK 2 NW
From Year=1909 To Year=2012
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 1.32 3.88 1914 0.06 1930 1.96 25/1912 8 4 0 0 7.3 30.2 1964
February 1.08 3.39 1940 0.00 2005 1.09 10/1943 6 3 0 0 4.0 31.5 1938
March 0.83 2.93 1950 0.00 1923 0.78 13/2011 5 3 0 0 0.7 8.5 1997
April 0.87 2.72 1948 0.00 1910 1.25 27/1953 5 2 0 0 0.0 0.5 1937
May 0.98 4.42 1948 0.00 1920 1.75 27/1998 5 3 0 0 0.0 0.0 1909
June 1.13 4.55 1936 0.00 1922 2.21 02/1936 6 3 1 0 0.0 0.0 1910
July 0.61 4.65 1992 0.00 1910 2.04 23/1992 3 1 0 0 0.0 0.0 1910
August 0.49 2.88 1951 0.00 1909 1.15 28/1951 3 1 0 0 0.0 0.0 1914
September 0.56 2.87 1927 0.00 1918 1.43 13/1980 4 2 0 0 0.0 0.0 1913
October 0.89 2.91 1947 0.01 1978 1.08 04/1922 5 3 0 0 0.0 2.0 1933
November 1.44 3.76 1944 0.00 1976 1.07 04/1918 8 5 0 0 2.5 20.5 1915
December 1.66 5.01 2002 0.12 1936 1.90 01/1997 9 5 1 0 7.7 36.3 1931
Annual 11.86 20.85 1941 5.54 1949 2.21 19360602 68 36 5 1 22.3 61.3 1931
Winter 4.06 8.69 2003 1.34 1977 1.96 19120125 24 13 1 0 19.1 49.5 1938
Spring 2.68 7.34 1948 0.12 1924 1.75 19980527 15 8 1 0 0.8 8.5 1997
Summer 2.23 7.53 1992 0.03 1932 2.21 19360602 12 6 1 0 0.0 0.0 1917
Fall 2.88 7.03 1973 0.20 1936 1.43 19800913 17 9 1 0 2.5 19.5 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