N WILLAMETTE EXP STN, OREGON

Period of Record General Climate Summary - Precipitation

Station:(356151) N WILLAMETTE EXP STN
From Year=1963 To Year=2007
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 6.31 13.70 2006 0.45 1985 2.02 31/1997 19 14 4 1 0.9 22.0 1969
February 4.45 12.04 1996 0.26 1993 2.70 06/1996 16 10 3 1 0.2 3.2 1986
March 4.18 8.59 1997 1.09 1965 2.00 04/2007 18 11 2 0 0.1 2.0 1966
April 2.95 6.76 1996 0.64 1977 1.58 09/1971 16 9 1 0 0.0 0.0 1964
May 2.33 5.57 1998 0.19 1992 1.78 17/1991 12 7 1 0 0.0 0.0 1963
June 1.65 5.35 1984 0.28 2003 1.59 21/1984 8 5 1 0 0.0 0.0 1963
July 0.63 2.68 1983 0.00 1967 1.76 18/1987 4 2 0 0 0.0 0.0 1963
August 0.81 4.17 1968 0.00 1967 1.40 29/1983 4 2 0 0 0.0 0.0 1963
September 1.67 3.61 1982 0.00 1975 2.04 30/2005 7 4 1 0 0.0 0.0 1963
October 3.41 6.94 1994 0.20 1988 4.80 27/1994 13 8 2 0 0.0 0.0 1963
November 6.24 13.05 2006 1.39 1993 3.71 19/1996 19 13 4 1 0.0 1.2 1978
December 7.04 15.72 1996 0.54 1998 2.30 22/1964 19 13 5 2 0.7 7.2 1968
Annual 41.67 74.10 1996 27.15 1985 4.80 19941027 155 99 25 6 2.0 22.0 1969
Winter 17.80 28.79 1996 5.65 1977 2.70 19960206 54 37 12 3 1.9 29.2 1969
Spring 9.46 15.87 1993 4.08 2004 2.00 20070304 46 27 4 1 0.1 2.0 1966
Summer 3.09 7.80 1983 0.38 1970 1.76 19870718 16 8 1 0 0.0 0.0 1963
Fall 11.32 20.67 1984 2.74 1993 4.80 19941027 39 25 7 2 0.0 1.2 1978
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