ROCKHAM 2 SW, SOUTH DAKOTA

Period of Record General Climate Summary - Precipitation

Station:(397247) ROCKHAM 2 SW
From Year=1951 To Year=1978
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 0.25 0.66 1975 0.00 1961 0.52 21/1973 4 1 0 0 5.8 18.5 1975
February 0.52 1.52 1967 0.00 1968 1.13 27/1958 4 2 0 0 7.1 20.2 1969
March 0.90 5.79 1977 0.01 1971 1.69 11/1977 5 2 1 0 6.4 24.5 1962
April 2.00 5.31 1968 0.26 1959 1.92 23/1960 7 5 1 0 3.3 14.5 1970
May 3.10 8.95 1965 0.41 1967 3.96 14/1965 9 6 2 1 0.2 3.0 1966
June 3.62 6.94 1962 0.75 1959 2.76 15/1956 10 7 2 1 0.0 0.0 1953
July 2.84 6.85 1966 0.41 1975 4.73 13/1966 7 5 1 1 0.0 0.0 1952
August 1.79 4.95 1966 0.52 1972 3.03 20/1966 7 4 1 0 0.0 0.0 1952
September 1.58 5.68 1977 0.00 1974 2.26 23/1977 5 3 1 0 0.0 0.0 1951
October 1.18 3.18 1971 0.00 1952 1.85 14/1966 4 2 1 0 0.7 6.5 1970
November 0.52 1.82 1956 0.00 1961 0.99 02/1957 3 2 0 0 3.2 10.5 1977
December 0.32 0.70 1955 0.00 1974 0.44 04/1955 4 1 0 0 5.6 15.0 1969
Annual 18.61 26.83 1957 11.17 1974 4.73 19660713 69 39 10 4 32.3 55.4 1975
Winter 1.09 2.77 1969 0.19 1964 1.13 19580227 12 3 0 0 18.5 42.8 1969
Spring 6.00 10.10 1962 2.72 1969 3.96 19650514 21 13 4 1 9.9 24.5 1962
Summer 8.25 13.91 1966 2.87 1959 4.73 19660713 24 16 5 2 0.0 0.0 1953
Fall 3.27 8.74 1977 0.46 1974 2.26 19770923 12 7 2 1 4.0 13.0 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