MASON DAM, OREGON

Period of Record General Climate Summary - Precipitation

Station:(355258) MASON DAM
From Year=1969 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 1.92 5.34 1971 0.21 1989 2.70 15/1971 11 6 1 0 11.4 33.0 1993
February 1.36 2.75 1986 0.39 1973 1.68 22/1989 11 5 0 0 5.6 23.7 1999
March 1.54 3.13 1995 0.27 1973 0.85 07/1986 11 5 0 0 2.6 13.0 1982
April 1.25 3.10 1978 0.21 1977 0.84 06/1969 10 4 0 0 0.2 2.0 1975
May 1.79 5.34 1998 0.32 1976 1.30 19/1991 10 5 1 0 0.1 1.5 1981
June 1.73 3.61 1980 0.05 1986 2.00 03/1989 9 4 1 0 0.0 0.0 1969
July 0.86 2.85 1982 0.01 1973 1.53 01/1982 5 3 0 0 0.0 0.0 1969
August 0.89 4.08 1989 0.00 1969 2.05 31/1984 5 3 0 0 0.0 0.0 1969
September 0.82 2.44 1976 0.00 1974 2.00 24/1976 5 2 0 0 0.0 0.0 1969
October 0.95 2.29 1975 0.00 1987 0.93 29/1982 7 4 0 0 0.0 1.5 1975
November 1.85 4.76 1973 0.39 1999 1.11 09/1985 12 6 1 0 5.1 20.9 1994
December 1.98 5.07 1973 0.04 1985 1.14 02/1980 11 6 1 0 13.1 33.5 1983
Annual 16.94 23.93 1982 11.05 1985 2.70 19710115 108 54 6 1 38.1 70.8 1983
Winter 5.26 9.88 1974 1.75 1977 2.70 19710115 33 17 2 0 30.1 59.0 1993
Spring 4.58 9.15 1998 2.09 1976 1.30 19910519 32 15 1 0 2.9 13.0 1982
Summer 3.48 7.43 1989 0.79 1973 2.05 19840831 19 10 2 0 0.0 0.0 1969
Fall 3.61 7.22 1973 1.03 1987 2.00 19760924 24 12 1 0 5.1 20.9 1994
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