BOUNDARY DAM, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(450844) BOUNDARY DAM
From Year=1965 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 2.94 6.52 2006 0.29 1985 1.40 10/2006 14 9 1 0 20.9 71.1 1969
February 2.04 5.57 1979 0.02 2005 1.02 07/1996 11 7 1 0 9.0 26.8 1990
March 2.09 5.06 1995 0.49 1985 1.35 23/1967 11 7 1 0 3.0 14.3 1997
April 2.07 4.42 1996 0.51 1977 1.45 24/1996 12 7 1 0 0.1 2.0 1982
May 2.66 6.40 1998 0.88 1983 2.02 27/1998 14 8 1 0 0.0 0.0 1966
June 2.81 5.47 2005 0.81 1974 1.60 13/1992 13 8 2 0 0.0 0.0 1966
July 1.66 5.23 1997 0.02 1985 2.01 21/1997 8 5 1 0 0.0 0.0 1965
August 1.48 4.45 1976 0.00 1969 1.68 24/1983 7 4 1 0 0.0 0.0 1965
September 1.44 3.92 1997 0.07 1990 1.22 17/1977 8 4 1 0 0.0 0.0 1965
October 2.04 3.97 1968 0.04 1974 0.84 20/2005 11 7 1 0 0.0 1.0 1996
November 3.07 6.92 1983 0.72 1979 1.46 04/1983 14 9 1 0 6.3 34.1 1996
December 3.43 6.33 1998 0.65 1985 1.77 15/2002 15 10 2 0 20.0 52.7 1996
Annual 27.72 37.55 1983 17.46 1985 2.02 19980527 137 84 12 1 59.4 117.7 1996
Winter 8.41 14.15 1999 3.19 2001 1.77 20021215 40 26 4 0 49.9 93.0 1975
Spring 6.82 10.93 1998 3.39 1970 2.02 19980527 36 21 3 0 3.2 14.3 1997
Summer 5.94 11.87 1983 2.53 2003 2.01 19970721 28 17 3 0 0.0 0.0 1966
Fall 6.55 10.15 1996 2.29 1976 1.46 19831104 33 20 3 0 6.4 35.1 1996
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