ROCK RAPIDS, IOWA

Period of Record General Climate Summary - Precipitation

Station:(137147) ROCK RAPIDS
From Year=1893 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 0.60 2.23 1975 0.00 1896 1.09 11/1975 4 2 0 0 6.7 21.5 1929
February 0.72 3.37 1962 0.00 1894 1.74 28/1951 4 2 0 0 7.2 48.1 1936
March 1.52 5.06 1987 0.00 1910 2.03 31/2006 6 4 1 0 7.7 29.7 1920
April 2.60 7.15 2001 0.17 1926 3.60 23/2001 8 6 2 0 1.8 13.5 1937
May 3.53 9.43 1959 0.33 1894 3.49 22/1936 10 7 2 1 0.1 5.5 1907
June 4.37 10.98 1984 0.47 2012 4.15 30/1905 9 7 3 1 0.0 0.0 1893
July 3.28 8.99 2010 0.15 1947 5.15 22/2010 8 6 2 1 0.0 0.0 1893
August 3.27 9.41 1979 0.30 1970 4.15 16/1977 7 5 2 1 0.0 0.0 1893
September 2.93 9.19 1938 0.27 1940 6.41 01/1933 7 5 2 1 0.0 0.0 1893
October 1.74 6.41 1968 0.00 1952 2.73 16/1968 5 4 1 0 0.6 10.0 1905
November 1.22 4.77 1975 0.00 1894 2.55 20/1975 4 3 1 0 4.0 20.7 1940
December 0.71 2.90 1982 0.00 1896 1.57 30/1931 4 2 0 0 6.5 29.0 1968
Annual 26.50 41.69 1944 15.78 1958 6.41 19330901 77 52 17 6 34.6 85.8 1936
Winter 2.04 4.82 1962 0.08 1931 1.74 19510228 13 7 1 0 20.4 70.0 1969
Spring 7.65 16.38 1927 1.72 1934 3.60 20010423 23 16 5 2 9.6 30.2 1920
Summer 10.91 22.66 1944 3.09 2012 5.15 20100722 24 18 7 3 0.0 0.0 1893
Fall 5.90 13.02 1968 0.83 1952 6.41 19330901 16 11 4 1 4.6 20.7 1940
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