Rapid City - Extreme Daily Precipitation for Each Year





This page lists the biggest rainstorms or snowstorms of the year in Rapid City, South Dakota along with the date they occurred. The information answers questions like: When was the last time more than three inches of precipitation landed on Rapid City in a single day? What was the rainiest day of 2018?

The list gives the highest daily precipitation for each year in Rapid City and the date that it happened. A date with a plus sign beside it means the same amount of moisture also fell on at least one other day earlier that year.

These records were observed at Rapid City Regional Airport and go back to 1949. During that time the heaviest downpour measured for a single day was 3.78 inches (96.0 millimetres) on June 15, 1963.

Most precipitation in one day for recent years in Rapid City
Inches Date Milli­metres
1.59 June 24, 2018 40.4
1.37 August 14, 2017 34.8
1.18 June 13, 2016 30.0
2.46 July 15, 2015 62.5
2.05 September 29, 2014 52.1
1.74 October 04, 2013 44.2
0.90 April 14, 2012 22.9
2.05 May 19, 2011 52.1
1.81 May 10, 2010 46.0
Highest daily precipitation recorded at Rapid City each year
Inches Date Milli­metres
1.40 September 12, 2009 35.6
2.09 May 22, 2008 53.1
1.10 May 05, 2007 27.9
0.88 August 27, 2006 22.4
1.22 May 11, 2005 31.0
1.21 July 04, 2004 30.7
0.86 September 10, 2003 21.8
1.00 April 27, 2002 25.4
1.25 June 09, 2001 31.8
1.27 July 09, 2000 32.3
2.80 May 21, 1999 71.1
1.67 October 04, 1998 42.4
3.19 April 05, 1997 81.0
1.74 May 23, 1996 44.2
1.63 June 21, 1995 41.4
0.83 October 15, 1994 21.1
1.56 June 07, 1993 39.6
0.98 July 21, 1992 24.9
0.92 April 26, 1991 23.4
1.76 September 05, 1990 44.7
1.18 September 20, 1989 30.0
1.86 May 01, 1988 47.2
0.98 May 20, 1987 24.9
2.18 June 09, 1986 55.4
1.16 August 19, 1985 29.5
1.64 April 25, 1984 41.7
1.59 June 30, 1983 40.4
2.60 August 04, 1982 66.0
1.47 August 13, 1981 37.3
2.51 June 14, 1980 63.8
1.23 August 07, 1979 31.2
1.21 July 21, 1978 + 30.7
1.32 September 23, 1977 33.5
3.60 June 14, 1976 91.4
1.69 June 18, 1975 42.9
0.80 April 11, 1974 20.3
1.26 March 14, 1973 32.0
2.08 June 09, 1972 52.8
1.50 May 23, 1971 38.1
1.67 April 18, 1970 42.4
1.80 July 16, 1969 45.7
1.78 June 24, 1968 45.2
2.06 April 30, 1967 52.3
2.13 September 13, 1966 54.1
3.21 May 14, 1965 81.5
1.40 June 08, 1964 35.6
3.78 June 15, 1963 96.0
1.86 May 21, 1962 47.2
1.10 July 01, 1961 27.9
1.33 May 23, 1960 33.8
1.09 May 30, 1959 27.7
1.95 July 19, 1958 49.5
1.51 May 20, 1957 38.4
1.13 July 02, 1956 28.7
1.83 September 20, 1955 46.5
1.08 March 12, 1954 27.4
1.74 June 19, 1953 44.2
0.94 May 22, 1952 23.9
1.31 June 01, 1951 33.3
1.36 September 20, 1950 34.5
1.75 June 02, 1949 44.5
Reference

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

Rapid City - Extremes
Back to Top