ROCK SPRINGS, WYOMING

Period of Record General Climate Summary - Temperature

Station:(487840) ROCK SPRINGS
From Year=1898 To Year=1979
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 31.7 9.8 20.8 59 03/1902 -37 12/1963 32.8 1953 6.4 1949 0.0 15.1 30.2 7.0
February 36.7 14.3 25.5 70 18/1902 -25 09/1933 33.9 1954 15.2 1933 0.0 9.4 27.7 4.0
March 43.8 20.6 32.2 73 30/1978 -11 11/1969 39.7 1934 25.6 1969 0.0 4.3 29.3 0.7
April 55.2 28.7 42.0 80 19/1962 -5 01/1936 48.0 1949 36.2 1975 0.0 0.4 21.3 0.0
May 66.8 37.2 52.0 112 17/1902 17 01/1967 57.5 1969 46.1 1933 0.1 0.0 7.1 0.0
June 77.4 44.9 61.1 98 23/1954 12 22/1899 67.9 1977 54.3 1899 2.2 0.0 1.1 0.0
July 86.2 51.0 68.5 98 27/1935 28 31/1899 71.9 1953 62.2 1902 8.8 0.0 0.1 0.0
August 83.7 48.8 66.3 97 02/1902 23 23/1899 70.4 1969 58.5 1899 4.5 0.0 0.3 0.0
September 73.6 39.7 56.6 94 04/1950 1 18/1965 60.8 1948 49.4 1965 0.4 0.0 5.2 0.0
October 61.3 30.0 45.7 82 01/1957 3 26/1899 51.1 1963 37.2 1899 0.0 0.3 20.2 0.0
November 44.8 19.4 32.1 70 21/1902 -21 23/1940 41.7 1949 25.5 1938 0.0 4.7 27.3 1.2
December 34.7 13.2 24.0 59 04/1939 -33 10/1972 32.5 1958 14.9 1898 0.0 12.2 30.1 4.2
Annual 58.0 29.8 43.9 112 19020517 -37 19630112 46.5 1954 41.3 1973 16.0 46.5 199.9 17.1
Winter 34.4 12.5 23.4 70 19020218 -37 19630112 29.4 1954 14.2 1973 0.0 36.7 88.0 15.2
Spring 55.3 28.9 42.1 112 19020517 -11 19690311 48.0 1934 38.7 1933 0.1 4.7 57.8 0.7
Summer 82.4 48.2 65.3 98 19350727 12 18990622 67.9 1961 58.6 1899 15.5 0.0 1.5 0.0
Fall 59.9 29.7 44.8 94 19500904 -21 19401123 48.9 1963 40.0 1971 0.4 5.1 52.6 1.2
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