TROUTDALE SUBSTATION, OREGON

Period of Record General Climate Summary - Precipitation

Station:(358634) TROUTDALE SUBSTATION
From Year=1948 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 6.32 13.71 1970 0.16 1985 2.71 19/1999 18 13 5 1 2.2 36.7 1950
February 4.88 11.25 1949 0.85 1993 2.70 22/1982 16 11 3 1 0.8 14.4 1949
March 4.52 7.98 2012 1.45 1978 2.03 01/1999 17 12 3 0 0.6 15.1 1951
April 3.53 6.61 1993 1.35 1949 1.70 26/1989 15 10 2 0 0.0 0.0 1949
May 2.69 5.68 1977 0.36 1992 1.46 01/1949 12 8 1 0 0.0 0.0 1949
June 1.99 5.90 2010 0.12 1951 1.70 08/1981 8 5 1 0 0.0 0.0 1949
July 0.71 3.96 1993 0.00 1960 1.28 16/1978 4 2 0 0 0.0 0.0 1948
August 1.05 5.87 1968 0.00 1959 1.50 30/2005 4 3 1 0 0.0 0.0 1948
September 1.95 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 6.45 14.42 2006 1.02 1952 3.28 19/1996 18 14 4 1 0.3 6.0 1977
December 7.09 12.20 1968 1.21 1976 2.60 13/1977 19 14 5 2 0.8 11.2 1964
Annual 44.90 61.74 1968 28.27 1952 4.50 19941027 150 105 29 7 4.7 39.9 1950
Winter 18.29 28.33 1970 5.74 1977 2.71 19990119 52 38 13 4 3.9 40.3 1950
Spring 10.74 16.58 1963 6.35 1982 2.03 19990301 45 30 6 1 0.6 15.1 1951
Summer 3.75 9.74 1983 0.53 2003 1.70 19810608 16 10 2 1 0.0 0.0 1949
Fall 12.12 21.80 1950 2.13 1952 4.50 19941027 37 27 8 2 0.3 6.0 1977
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