BOISE WSFO AIRPORT, IDAHO

Period of Record General Climate Summary - Temperature

Station:(101022) BOISE WSFO AIRPORT
From Year=1940 To Year=2012
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean
Year Lowest
Mean
Year >=
90 F
<=
32 F
<=
32 F
<=
0 F
F F F F dd/yyyy
or
yyyymmdd
F dd/yyyy
or
yyyymmdd
F - F - # Days # Days # Days # Days
January 37.1 22.6 29.8 63 09/1953 -17 31/1950 41.0 1953 10.3 1949 0.0 9.1 26.0 1.3
February 44.4 27.5 36.0 71 29/1992 -15 05/1989 43.3 1963 23.2 1989 0.0 2.4 20.8 0.3
March 53.1 32.1 42.6 81 29/1978 6 01/1971 48.9 1992 35.9 1985 0.0 0.2 16.2 0.0
April 61.7 37.4 49.6 92 25/1946 19 13/1968 56.0 1987 43.8 1970 0.1 0.0 7.5 0.0
May 71.1 44.7 57.9 99 28/2003 22 05/1982 64.3 1958 52.1 1953 1.3 0.0 1.6 0.0
June 79.9 51.9 65.9 109 19/1940 31 01/1984 72.8 1961 59.3 1953 5.7 0.0 0.0 0.0
July 90.9 58.9 74.9 111 19/1960 35 05/1986 83.1 2007 65.0 1993 19.5 0.0 0.0 0.0
August 88.6 57.6 73.1 110 04/1961 34 24/1992 78.7 2001 67.2 1980 16.3 0.0 0.0 0.0
September 78.1 49.3 63.7 102 01/1945 23 14/1970 71.4 2011 56.2 1985 3.7 0.0 0.4 0.0
October 64.8 39.7 52.2 94 01/1992 11 29/1971 59.8 1988 45.1 1946 0.1 0.0 5.1 0.0
November 48.5 30.7 39.6 78 06/1999 -3 15/1955 46.9 1999 27.6 1985 0.0 1.1 17.4 0.1
December 38.6 24.0 31.3 65 22/1964 -25 22/1990 38.4 1973 12.6 1985 0.0 6.8 25.7 0.9
Annual 63.1 39.7 51.4 111 19600719 -25 19901222 54.8 2003 45.8 1985 46.7 19.6 120.6 2.6
Winter 40.1 24.7 32.4 71 19920229 -25 19901222 37.6 2003 22.2 1949 0.0 18.3 72.4 2.5
Spring 62.0 38.1 50.0 99 20030528 6 19710301 56.0 1992 44.6 1955 1.4 0.2 25.3 0.0
Summer 86.5 56.2 71.3 111 19600719 31 19840601 76.4 2007 65.1 1993 41.5 0.0 0.0 0.0
Fall 63.8 39.9 51.8 102 19450901 -3 19551115 57.5 1963 44.1 1985 3.8 1.1 22.9 0.1
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