SISTERS, OREGON

Period of Record General Climate Summary - Precipitation

Station:(357857) SISTERS
From Year=1958 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 2.24 5.22 1970 0.11 1985 2.02 10/1989 9 6 1 0 8.3 36.5 1993
February 1.45 5.26 1986 0.02 1964 2.27 18/1986 7 4 1 0 6.3 26.0 1975
March 1.12 3.31 1960 0.10 1965 0.97 26/2003 8 4 0 0 3.5 21.0 1976
April 0.79 2.29 1992 0.00 1977 1.52 28/1990 6 2 0 0 0.3 3.0 1967
May 0.78 3.95 1998 0.05 2002 1.11 19/1981 6 2 0 0 0.0 1.0 1965
June 0.61 2.56 2009 0.00 1987 1.32 12/1982 4 2 0 0 0.0 0.0 1959
July 0.38 2.45 1987 0.00 1967 1.25 18/1987 2 1 0 0 0.0 0.0 1959
August 0.41 2.33 1999 0.00 1966 0.70 04/1999 3 2 0 0 0.0 0.0 1959
September 0.40 2.06 1982 0.00 1974 1.36 20/1982 3 1 0 0 0.0 0.0 1958
October 0.95 4.75 1984 0.00 1987 3.00 19/1984 5 3 0 0 0.2 3.5 1991
November 2.10 6.20 1984 0.31 1969 2.33 22/1961 10 5 1 0 3.6 28.1 1973
December 2.27 12.24 1964 0.15 1976 2.80 22/1964 9 6 1 0 7.9 44.5 1992
Annual 13.49 20.58 1981 8.62 1959 3.00 19841019 72 37 6 2 30.1 87.0 1975
Winter 5.95 15.67 1965 1.06 1977 2.80 19641222 25 15 3 1 22.5 102.8 1993
Spring 2.69 5.35 1993 0.85 1966 1.52 19900428 20 9 1 0 3.8 23.0 1976
Summer 1.40 3.80 1965 0.20 2008 1.32 19820612 9 4 1 0 0.0 0.0 1959
Fall 3.45 11.39 1984 0.86 1989 3.00 19841019 18 9 2 1 3.8 28.1 1973
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