PORTLAND WB CITY, OREGON

Period of Record General Climate Summary - Precipitation

Station:(356749) PORTLAND WB CITY
From Year=1973 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 6.17 12.05 2006 0.27 1985 2.52 15/1974 19 13 4 1 1.1 16.3 1980
February 4.83 12.43 1996 0.96 1993 2.55 28/2011 16 11 3 1 0.7 10.0 1995
March 4.66 9.95 2012 1.73 1978 1.59 15/2012 18 12 3 0 0.1 3.5 1989
April 3.35 7.03 2003 0.63 1977 1.16 21/1988 16 10 2 0 0.0 0.0 1974
May 2.61 5.18 1998 0.13 1992 1.50 31/1997 13 8 1 0 0.0 0.0 1974
June 1.66 4.79 2010 0.09 1996 1.65 20/1991 8 5 1 0 0.0 0.0 1974
July 0.70 2.94 1983 0.00 1984 1.27 08/1974 4 2 0 0 0.0 0.0 1974
August 0.92 3.57 1977 0.00 1998 1.36 25/1977 4 2 1 0 0.0 0.0 1973
September 1.67 4.69 1977 0.00 1975 1.48 15/1996 7 4 1 0 0.0 0.0 1973
October 3.36 9.02 1994 0.28 1987 3.20 27/1994 12 8 2 0 0.0 0.0 1973
November 6.69 15.56 2006 1.13 1976 3.20 19/1996 19 14 4 1 0.3 7.0 1977
December 6.76 16.28 1996 1.36 1976 2.24 29/1996 19 13 5 1 0.9 9.6 1992
Annual 43.37 72.71 1996 28.58 1976 3.20 19941027 155 101 27 6 3.1 10.0 1995
Winter 17.76 29.57 1999 5.33 1977 2.55 20110228 54 36 12 3 2.7 17.4 1993
Spring 10.61 17.01 2012 5.34 2004 1.59 20120315 47 29 6 1 0.1 3.5 1989
Summer 3.28 6.99 1983 0.17 2003 1.65 19910620 17 9 2 0 0.0 0.0 1974
Fall 11.72 21.03 1973 2.61 1987 3.20 19941027 38 26 7 2 0.3 7.0 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