OLD FAITHFUL, WYOMING

Period of Record General Climate Summary - Temperature

Station:(486845) OLD FAITHFUL
From Year=1978 To Year=2006
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 28.2 0.2 14.2 50 22/1981 -44 01/1979 21.1 2003 2.1 1979 0.0 21.6 31.0 15.3
February 32.0 0.7 16.3 62 28/1988 -49 11/1981 24.0 1992 5.5 1985 0.0 13.9 28.1 13.2
March 39.1 9.3 24.2 62 21/1988 -32 02/2002 31.7 1992 18.1 1985 0.0 7.0 30.7 7.6
April 46.6 18.4 32.6 72 28/1987 -21 20/1982 37.7 1992 26.1 1997 0.0 1.6 28.9 1.8
May 55.3 27.8 41.7 79 29/1986 3 07/1984 46.8 1994 38.0 1984 0.0 0.1 23.6 0.0
June 64.7 34.4 49.5 89 28/1984 16 27/1999 56.0 1988 45.2 1998 0.0 0.0 12.2 0.0
July 74.4 39.0 56.7 93 18/1984 21 05/1986 60.7 2002 49.9 1993 0.3 0.0 3.8 0.0
August 73.6 36.5 55.1 90 03/1983 14 26/1992 58.5 2003 50.2 1980 0.1 0.0 7.7 0.0
September 64.1 28.8 46.5 85 03/1998 -2 20/1983 51.7 1990 41.8 1986 0.0 0.1 22.0 0.1
October 50.8 20.8 35.8 75 02/1992 -11 30/1991 42.3 1988 30.9 2002 0.0 1.1 29.3 0.5
November 34.8 8.4 21.6 63 16/1999 -32 10/1986 30.5 1999 13.4 1994 0.0 13.3 29.4 8.6
December 27.1 -0.6 13.2 49 18/1979 -47 30/1978 19.8 1980 1.7 1990 0.0 22.6 30.9 16.6
Annual 49.2 18.6 34.0 93 19840718 -49 19810211 35.7 1988 32.1 1979 0.3 81.4 277.6 63.7
Winter 29.1 0.1 14.6 62 19880228 -49 19810211 19.0 1995 7.5 1979 0.0 58.1 90.0 45.1
Spring 47.0 18.5 32.8 79 19860529 -32 20020302 38.7 1992 29.7 1999 0.0 8.7 83.2 9.4
Summer 70.9 36.6 53.8 93 19840718 14 19920826 57.0 1988 49.8 1993 0.3 0.0 23.7 0.0
Fall 49.9 19.3 34.6 85 19980903 -32 19861110 38.0 1998 31.8 2000 0.0 14.5 80.7 9.1
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