RIMROCK TIETON DAM, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(457038) RIMROCK TIETON DAM
From Year=1917 To Year=1977
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 4.47 11.98 1953 0.22 1977 2.79 07/1923 16 10 3 1 31.4 99.9 1950
February 2.80 7.65 1949 0.26 1973 2.17 08/1955 12 7 2 0 17.9 54.6 1948
March 2.16 5.28 1972 0.20 1965 2.44 31/1931 12 6 1 0 12.0 41.0 1971
April 1.14 3.76 1937 0.06 1966 1.57 13/1937 8 3 0 0 2.7 17.4 1953
May 0.87 3.56 1948 0.00 1924 1.37 11/1951 7 3 0 0 0.1 4.0 1974
June 0.79 3.11 1948 0.00 1918 1.39 07/1936 5 2 0 0 0.0 0.3 1922
July 0.38 2.67 1918 0.00 1917 1.42 07/1958 2 1 0 0 0.0 0.0 1921
August 0.56 3.07 1968 0.00 1917 1.49 11/1952 3 2 0 0 0.0 0.0 1917
September 0.76 2.38 1925 0.00 1943 1.18 11/1956 5 2 0 0 0.0 0.0 1919
October 2.00 6.02 1947 0.02 1917 2.24 08/1958 9 5 1 0 0.6 5.0 1957
November 3.90 9.75 1942 0.20 1929 2.75 20/1962 13 8 3 1 10.9 49.5 1942
December 5.03 20.70 1933 0.56 1930 5.49 11/1946 16 10 3 1 26.5 70.8 1964
Annual 24.87 40.40 1948 13.19 1944 5.49 19461211 108 59 14 4 102.1 206.1 1950
Winter 12.30 29.97 1934 2.56 1977 5.49 19461211 43 27 7 2 75.8 164.3 1950
Spring 4.17 7.76 1972 1.11 1973 2.44 19310331 26 12 2 0 14.8 44.0 1955
Summer 1.73 4.81 1948 0.10 1919 1.49 19520811 11 5 1 0 0.0 0.3 1922
Fall 6.66 14.39 1955 0.65 1929 2.75 19621120 27 15 4 1 11.5 51.4 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