KETCHIKAN, ALASKA

Period of Record General Climate Summary - Precipitation

Station:(504590) KETCHIKAN
From Year=1949 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 14.05 31.28 1962 1.65 1950 6.88 30/1962 20 16 9 5 13.3 45.1 1971
February 12.67 25.60 1954 0.82 1989 6.10 18/1965 18 15 8 5 8.9 40.0 1972
March 11.25 24.50 2010 2.75 1967 3.75 26/2000 20 16 8 4 3.4 30.0 1971
April 11.05 23.03 2007 2.03 1979 4.50 11/1958 19 15 7 4 0.3 5.2 1966
May 9.44 22.44 2001 2.12 2010 4.73 06/2012 17 13 6 3 0.1 4.5 1964
June 7.33 14.32 1984 0.99 1958 4.96 01/1970 16 11 5 2 0.0 0.0 1950
July 7.53 19.02 2005 0.36 1996 4.86 24/2000 15 11 5 2 0.0 0.0 1950
August 10.83 25.33 1956 0.90 1954 7.93 25/1961 16 12 6 4 0.0 0.0 1950
September 14.47 28.33 2011 1.77 1965 7.55 22/1949 19 15 9 5 0.0 0.0 1949
October 22.20 42.37 1974 9.81 2002 8.71 11/1977 24 21 13 8 0.1 2.5 1966
November 17.28 42.98 1969 2.80 1970 6.10 28/1969 23 19 11 6 2.3 19.6 1973
December 15.63 31.53 2006 4.94 1955 7.28 10/1962 23 18 10 6 8.6 39.0 1964
Annual 153.73 196.03 2005 88.45 1995 8.71 19771011 231 182 99 53 36.9 62.3 1964
Winter 42.35 60.95 2007 17.08 1969 7.28 19621210 61 49 28 15 30.7 102.7 1972
Spring 31.74 49.94 2007 10.54 1989 4.73 20120506 57 44 21 10 3.8 12.2 1966
Summer 25.70 44.16 1967 6.30 1989 7.93 19610825 47 34 16 8 0.0 0.0 1950
Fall 53.95 78.24 1974 30.23 1990 8.71 19771011 66 55 33 19 2.4 19.6 1973
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