TROUTDALE SUBSTATION, OREGON

Period of Record General Climate Summary - Precipitation

Station:(358634) TROUTDALE SUBSTATION
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 6.40 13.71 1970 0.16 1985 2.71 19/1999 18 13 5 1 2.4 36.7 1950
February 4.92 11.25 1949 0.85 1993 2.70 22/1982 16 11 3 1 0.9 14.4 1949
March 4.39 7.75 2003 1.45 1978 2.03 01/1999 17 12 3 0 0.7 15.1 1951
April 3.48 6.61 1993 1.35 1949 1.70 26/1989 15 10 2 0 0.0 0.0 1949
May 2.66 5.68 1977 0.36 1992 1.46 01/1949 12 8 1 0 0.0 0.0 1949
June 1.97 5.33 1984 0.12 1951 1.70 08/1981 8 5 1 0 0.0 0.0 1949
July 0.74 3.96 1993 0.00 1960 1.28 16/1978 4 2 0 0 0.0 0.0 1948
August 1.10 5.87 1968 0.00 1959 1.50 30/2005 4 3 1 0 0.0 0.0 1948
September 1.98 4.23 1986 0.00 1975 2.20 18/1969 7 5 1 0 0.0 0.0 1948
October 3.72 9.18 1950 0.17 1987 4.50 27/1994 12 9 2 0 0.0 0.0 1948
November 6.26 12.01 1995 1.02 1952 3.28 19/1996 18 14 4 1 0.3 6.0 1977
December 7.06 12.20 1968 1.21 1976 2.60 13/1977 19 14 5 1 0.9 11.2 1964
Annual 44.68 61.74 1968 28.27 1952 4.50 19941027 150 106 28 6 5.1 39.9 1950
Winter 18.37 28.33 1970 5.74 1977 2.71 19990119 52 39 13 4 4.1 40.3 1950
Spring 10.54 16.58 1963 6.35 1982 2.03 19990301 45 30 6 1 0.7 15.1 1951
Summer 3.80 9.74 1983 0.53 2003 1.70 19810608 16 10 2 1 0.0 0.0 1949
Fall 11.96 21.80 1950 2.13 1952 4.50 19941027 37 27 7 2 0.3 6.0 1977
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