ROCK SPRINGS FAA AP, WYOMING

Period of Record General Climate Summary - Precipitation

Station:(487845) ROCK SPRINGS FAA AP
From Year=1948 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 0.50 1.54 1978 0.02 2004 0.83 17/1996 7 2 0 0 6.9 20.5 1997
February 0.50 1.45 1959 0.01 2002 0.59 07/2001 6 2 0 0 5.7 17.0 1959
March 0.66 1.97 1977 0.05 1956 1.66 07/1962 7 2 0 0 6.8 19.8 1977
April 0.95 2.74 1999 0.04 1987 1.96 20/1971 8 3 0 0 5.8 18.3 1991
May 1.20 3.67 1995 0.00 1969 1.71 30/1971 8 4 1 0 2.0 12.0 1978
June 0.86 3.49 1969 0.00 1956 1.64 11/1970 6 2 0 0 0.1 2.3 1995
July 0.67 3.67 1973 0.00 2008 1.42 24/1991 5 2 0 0 0.0 0.5 1949
August 0.62 3.12 1963 0.01 2012 1.17 02/2007 5 2 0 0 0.0 0.3 1949
September 0.76 3.67 1965 0.00 2012 2.00 11/1973 5 2 0 0 0.7 22.4 1965
October 0.82 2.81 1949 0.00 1952 0.96 03/1994 6 2 0 0 4.0 19.1 1949
November 0.55 1.60 1983 0.00 1974 0.95 01/2011 5 2 0 0 5.6 22.1 1978
December 0.51 1.78 1975 0.00 1962 0.94 12/1975 6 2 0 0 6.1 19.4 1975
Annual 8.61 14.54 1965 4.53 1988 2.00 19730911 74 27 3 0 43.6 79.8 1978
Winter 1.50 3.19 1978 0.17 2002 0.94 19751212 18 5 0 0 18.7 35.0 1997
Spring 2.82 6.59 1971 0.83 2012 1.96 19710420 23 9 1 0 14.5 29.5 1950
Summer 2.15 4.91 1963 0.52 1962 1.64 19700611 17 6 1 0 0.1 2.3 1995
Fall 2.14 5.17 1973 0.21 1952 2.00 19730911 16 7 1 0 10.3 28.6 1971
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