JOHN DAY DAM, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(454035) JOHN DAY DAM
From Year=1958 To Year=1972
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 1.78 5.26 1970 0.20 1962 1.58 20/1972 9 5 1 0 1.6 4.4 1965
February 1.06 4.08 1961 0.01 1971 1.60 10/1961 6 3 1 0 1.2 8.0 1963
March 0.95 1.87 1960 0.15 1968 0.66 02/1972 8 3 0 0 0.7 4.0 1962
April 0.51 1.48 1963 0.00 1959 0.71 27/1962 5 2 0 0 0.0 0.0 1959
May 0.54 1.71 1967 0.00 1964 1.02 05/1967 4 2 0 0 0.0 0.0 1959
June 0.25 0.68 1969 0.00 1962 0.66 08/1969 3 1 0 0 0.0 0.0 1959
July 0.13 1.02 1966 0.00 1960 0.48 03/1966 1 1 0 0 0.0 0.0 1959
August 0.20 0.66 1968 0.00 1959 0.41 07/1962 2 1 0 0 0.0 0.0 1959
September 0.37 1.34 1971 0.09 1961 0.71 01/1971 3 1 0 0 0.0 0.0 1959
October 0.57 1.59 1962 0.09 1970 0.74 10/1959 5 2 0 0 0.0 0.0 1959
November 1.62 3.05 1966 0.16 1969 0.93 08/1963 9 4 1 0 0.0 0.0 1959
December 2.03 8.99 1964 0.58 1959 2.40 22/1964 9 5 1 0 1.0 4.5 1959
Annual 10.02 15.15 1964 6.93 1967 2.40 19641222 64 29 3 1 4.5 11.5 1963
Winter 4.87 11.07 1965 2.56 1964 2.40 19641222 24 14 2 1 3.8 11.5 1963
Spring 2.01 3.72 1960 0.49 1964 1.02 19670505 17 7 1 0 0.7 4.0 1962
Summer 0.58 1.21 1972 0.15 1960 0.66 19690608 6 2 0 0 0.0 0.0 1959
Fall 2.56 3.82 1968 0.79 1969 0.93 19631108 17 7 1 0 0.0 0.0 1959
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