OLD FAITHFUL, WYOMING

Period of Record General Climate Summary - Temperature

Station:(486845) OLD FAITHFUL
From Year=1904 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 27.2 0.9 14.0 50 22/1981 -45 06/1913 21.1 2003 2.1 1979 0.0 22.8 30.7 14.3
February 30.8 1.9 16.5 62 28/1988 -49 11/1981 24.0 1992 4.9 1911 0.0 15.5 27.9 12.1
March 38.3 10.3 24.3 68 23/1940 -41 16/1906 33.8 1910 17.7 2008 0.0 7.9 30.1 6.7
April 46.5 19.0 32.8 73 25/1910 -28 05/1936 41.8 1915 23.2 1909 0.0 2.0 28.4 1.7
May 55.1 27.7 41.4 82 30/1936 3 07/1984 46.8 1994 34.0 1909 0.0 0.1 24.2 0.0
June 64.9 34.2 49.6 89 19/1912 16 01/1906 56.0 1988 44.1 1915 0.0 0.0 12.8 0.0
July 75.0 39.5 57.1 93 18/1984 21 05/1986 63.5 1936 49.9 1993 0.3 0.0 4.1 0.0
August 74.2 37.1 55.7 97 11/1905 14 26/1992 68.0 1913 50.2 1980 0.2 0.0 8.3 0.0
September 64.2 29.4 46.8 85 03/1998 -2 20/1983 53.2 1938 38.0 1912 0.0 0.1 21.4 0.0
October 51.1 22.2 36.5 79 11/1934 -11 30/1991 43.7 1907 29.2 2009 0.0 1.2 28.5 0.3
November 36.0 10.5 23.0 63 16/1999 -32 10/1986 30.9 1904 13.4 1994 0.0 11.8 29.1 6.9
December 27.3 1.0 14.2 58 02/1911 -47 30/1978 24.0 1939 1.7 1990 0.0 22.3 30.7 15.0
Annual 49.2 19.5 34.3 97 19050811 -49 19810211 35.7 1988 32.1 1979 0.5 83.6 276.3 57.1
Winter 28.4 1.3 14.9 62 19880228 -49 19810211 20.4 1940 7.5 1979 0.0 60.6 89.3 41.4
Spring 46.6 19.0 32.9 82 19360530 -41 19060316 38.7 1992 26.5 1909 0.0 10.0 82.7 8.4
Summer 71.4 36.9 54.1 97 19050811 14 19920826 58.5 1936 49.8 1993 0.5 0.0 25.2 0.0
Fall 50.4 20.7 35.4 85 19980903 -32 19861110 40.1 1907 31.8 2000 0.0 13.0 79.0 7.3
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