RITZVILLE, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(457059) RITZVILLE
From Year=1948 To Year=2006
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 1.45 4.15 2006 0.14 1949 0.82 24/1959 11 5 0 0 6.8 24.4 1950
February 1.10 2.73 1958 0.00 2005 1.10 01/1963 9 4 0 0 2.9 11.8 1986
March 1.08 2.56 1989 0.06 1965 0.97 27/2005 9 4 0 0 1.1 9.1 2002
April 0.84 2.11 1993 0.04 1977 0.87 26/1958 7 3 0 0 0.1 1.8 1975
May 0.98 3.19 2005 0.08 1966 1.62 10/2005 7 3 0 0 0.0 0.0 1949
June 0.82 3.96 1948 0.05 1949 1.14 06/1957 6 3 0 0 0.0 0.0 1948
July 0.45 3.81 1993 0.00 1952 1.74 23/1993 3 1 0 0 0.0 0.0 1948
August 0.41 1.85 1990 0.00 1950 1.39 21/1959 3 1 0 0 0.0 0.0 1948
September 0.54 2.55 1959 0.00 1975 0.92 23/1984 4 2 0 0 0.0 0.0 1949
October 0.94 3.40 1996 0.00 1987 0.85 19/1979 7 3 0 0 0.0 1.5 1971
November 1.57 4.17 1973 0.21 1976 0.85 15/1966 11 5 0 0 2.2 15.0 1973
December 1.70 3.64 1996 0.26 1949 0.97 14/1977 12 6 0 0 6.0 19.4 1983
Annual 11.88 18.41 1996 6.40 1976 1.74 19930723 88 41 3 0 19.1 36.0 1975
Winter 4.25 7.26 1997 0.93 1977 1.10 19630201 31 15 1 0 15.7 38.1 1993
Spring 2.90 5.40 1997 0.87 1964 1.62 20050510 22 10 1 0 1.1 9.1 2002
Summer 1.68 6.20 1948 0.11 1949 1.74 19930723 12 5 1 0 0.0 0.0 1948
Fall 3.05 6.92 1973 0.51 1976 0.92 19840923 22 10 1 0 2.3 15.0 1973
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