MC MILLIN RSVR, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(455224) MC MILLIN RESERVOIR
From Year=1941 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 5.74 12.97 1953 0.47 1985 2.50 07/2009 20 13 4 1 3.0 34.6 1950
February 4.21 9.49 1961 0.33 1993 2.72 08/1996 16 10 2 1 1.3 11.2 1949
March 4.12 7.09 2011 0.59 1965 2.15 27/2005 19 12 2 0 1.4 17.5 1951
April 3.27 7.23 1996 0.44 1951 2.60 05/1991 16 10 1 0 0.1 5.5 1945
May 2.49 5.06 2010 0.22 1992 1.94 15/2011 13 8 1 0 0.0 0.0 1941
June 2.20 5.12 1946 0.10 1951 1.94 02/1968 11 6 1 0 0.0 0.0 1941
July 0.96 3.86 1983 0.00 1941 1.78 09/1946 5 3 0 0 0.0 0.0 1941
August 1.20 5.21 1968 0.00 1967 2.48 27/1960 6 3 1 0 0.0 0.0 1941
September 1.91 5.56 1978 0.00 1993 1.81 23/1978 9 5 1 0 0.0 0.0 1941
October 3.72 8.37 1947 0.35 1987 3.07 21/2003 14 9 2 1 0.0 2.3 1971
November 6.21 14.30 2006 1.24 1952 3.59 07/2006 19 13 4 1 1.0 12.8 1985
December 5.76 12.23 1996 1.35 1944 2.67 27/1974 20 13 4 1 1.8 16.0 1974
Annual 41.77 62.88 1996 22.07 1952 3.59 20061107 168 106 24 5 8.7 37.7 1950
Winter 15.70 24.85 1999 5.69 1977 2.72 19960208 56 37 10 2 6.1 40.7 1950
Spring 9.88 18.19 2011 5.57 1944 2.60 19910405 48 29 4 1 1.5 17.5 1951
Summer 4.36 9.74 1968 0.83 1951 2.48 19600827 22 12 2 0 0.0 0.0 1941
Fall 11.83 18.01 2009 2.38 1952 3.59 20061107 42 27 7 2 1.1 12.8 1985
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