BOISE WSFO AIRPORT, IDAHO

Period of Record General Climate Summary - Precipitation

Station:(101022) BOISE WSFO AIRPORT
From Year=1940 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 1.40 3.87 1970 0.12 1949 1.13 18/1953 12 5 0 0 6.2 21.4 1964
February 1.07 3.70 1986 0.18 1997 0.92 04/1951 10 4 0 0 3.3 25.2 1949
March 1.25 3.46 1989 0.17 1992 1.60 20/1981 10 5 0 0 1.6 11.9 1951
April 1.20 3.04 1955 0.09 1949 1.27 06/1969 9 4 0 0 0.5 8.0 1967
May 1.29 4.40 1998 0.00 1992 1.77 29/1990 8 4 0 0 0.1 4.0 1964
June 0.84 3.41 1941 0.01 1960 1.91 12/1958 6 3 0 0 0.0 0.0 1940
July 0.25 1.62 1982 0.00 1942 0.94 30/1960 2 1 0 0 0.0 0.0 1940
August 0.28 2.37 1968 0.00 1943 1.61 13/1979 2 1 0 0 0.0 0.0 1940
September 0.55 2.93 1986 0.00 1943 1.73 11/1976 4 2 0 0 0.0 0.0 1940
October 0.81 2.59 2000 0.00 1952 0.90 12/2000 6 3 0 0 0.1 2.7 1971
November 1.32 3.36 1988 0.14 1976 0.78 26/1971 10 5 0 0 2.0 18.6 1985
December 1.42 4.23 1983 0.09 1976 1.03 23/1955 11 5 0 0 5.8 26.2 1983
Annual 11.70 18.77 1983 6.64 1966 1.91 19580612 90 39 3 0 19.6 46.5 1964
Winter 3.90 6.45 1969 1.31 1977 1.13 19530118 33 13 1 0 15.3 43.3 1949
Spring 3.75 7.11 1980 0.83 1992 1.77 19900529 26 12 1 0 2.2 11.9 1951
Summer 1.38 4.13 1941 0.08 1966 1.91 19580612 11 4 1 0 0.0 0.0 1940
Fall 2.68 4.99 1940 0.40 1952 1.73 19760911 20 9 1 0 2.1 18.6 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