ATTU N A U, ALASKA

Period of Record General Climate Summary - Precipitation

Station:(500452) ATTU N A U
From Year=1949 To Year=1993
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 3.81 9.32 1984 0.33 1969 2.50 04/1984 19 11 2 1 16.2 35.5 1955
February 3.61 15.45 1965 0.99 1968 3.62 18/1965 17 10 2 1 16.9 34.7 1969
March 3.27 17.80 1965 0.09 1969 2.70 24/1965 18 9 1 0 15.0 42.9 1986
April 3.79 16.60 1965 0.02 1967 3.50 24/1988 16 9 2 1 6.5 35.1 1956
May 2.86 8.02 1961 0.00 1968 2.34 31/1950 13 7 2 0 1.1 16.3 1955
June 2.94 9.15 1961 0.04 1967 4.52 28/1961 11 5 2 1 0.0 0.0 1950
July 4.23 10.52 1969 0.25 1968 9.00 31/1969 13 8 2 1 0.0 0.0 1950
August 6.02 21.16 1983 0.50 1968 10.00 16/1950 15 10 4 2 0.0 0.0 1950
September 6.32 15.52 1979 1.54 1964 4.59 10/1985 17 11 4 2 0.0 0.0 1949
October 6.63 24.59 1973 0.11 1968 4.30 08/1973 19 12 4 2 0.6 9.2 1964
November 4.55 9.50 1966 0.25 1968 4.00 29/1983 20 11 3 1 7.1 25.1 1979
December 4.61 21.60 1970 0.24 1968 3.40 20/1970 19 11 2 1 13.0 33.6 1985
Annual 52.64 88.40 1965 11.31 1968 10.00 19500816 198 113 29 12 76.3 109.0 1956
Winter 12.02 33.10 1971 3.68 1968 3.62 19650218 55 32 6 2 46.1 81.3 1978
Spring 9.92 36.99 1965 0.67 1969 3.50 19880424 48 25 5 2 22.6 78.8 1955
Summer 13.20 32.54 1983 4.15 1968 10.00 19500816 39 22 8 4 0.0 0.0 1950
Fall 17.50 29.53 1973 2.26 1968 4.59 19850910 56 34 11 4 7.7 25.1 1979
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