ROCK RAPIDS, IOWA

Period of Record General Climate Summary - Temperature

Station:(137147) ROCK RAPIDS
From Year=1893 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 25.0 4.7 14.8 68 27/2002 -40 12/1912 30.1 2006 0.7 1912 0.0 20.8 30.9 12.0
February 30.0 9.4 19.7 70 26/1896 -40 09/1899 34.6 1954 -1.9 1936 0.0 15.1 27.9 8.0
March 42.6 21.9 32.2 90 24/1967 -23 11/1948 47.7 2012 18.9 1960 0.0 6.9 26.3 1.8
April 59.0 34.6 46.8 95 27/1987 3 03/1936 55.7 1925 36.8 1907 0.2 0.4 13.0 0.0
May 71.4 46.1 58.7 106 30/1934 20 03/1967 70.0 1934 50.4 1907 1.2 0.0 2.2 0.0
June 80.5 56.7 68.6 107 22/1988 32 09/1915 76.2 1933 62.4 1945 4.9 0.0 0.0 0.0
July 86.1 61.2 73.6 111 04/1936 32 09/1895 83.1 1936 65.2 1992 9.9 0.0 0.0 0.0
August 83.7 58.7 71.2 109 24/1936 34 28/1893 79.5 1947 64.4 1992 6.7 0.0 0.0 0.0
September 74.8 48.9 61.9 104 07/1976 18 27/1893 69.4 1931 54.4 1896 2.2 0.0 1.6 0.0
October 62.1 36.4 49.2 94 05/1963 -10 29/1925 59.7 1963 37.4 1925 0.1 0.2 11.2 0.0
November 44.0 23.0 33.5 80 09/1999 -20 14/1959 44.5 2001 18.0 1896 0.0 5.6 25.2 0.9
December 29.8 10.6 20.1 70 04/1998 -30 29/1917 30.4 1959 0.8 1983 0.0 17.0 30.5 7.2
Annual 57.4 34.3 45.9 111 19360704 -40 18990209 51.3 1931 42.1 1917 25.2 65.9 168.7 29.9
Winter 28.2 8.2 18.2 70 18960226 -40 18990209 29.4 1931 7.3 1936 0.0 52.9 89.2 27.2
Spring 57.6 34.2 45.9 106 19340530 -23 19480311 54.0 2012 40.5 1996 1.4 7.2 41.5 1.8
Summer 83.4 58.9 71.1 111 19360704 32 18950709 76.5 1936 65.2 1992 21.5 0.0 0.0 0.0
Fall 60.3 36.1 48.2 104 19760907 -20 19591114 55.0 1963 37.9 1896 2.3 5.8 38.0 0.9
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