Waterloo August Precipitation Totals

A time series of total precipitation in the month of August in Waterloo, Iowa from 1948–2023.
Rainiest August in Waterloo History
The rainiest August in Waterloo, Iowa history happened in 1998, with 10.53 inches of total precipitation.
Driest August in Waterloo History
The driest August in Waterloo, Iowa history happened in 2003, with just 0.19 inches of total precipitation.
Waterloo Average August Precipitation by Year
Year Precipitation (inches)
2023 1.12
2022 5.45
2021 6.69
2020 1.33
2019 3.45
2018 6.08
2017 1.30
2016 5.22
2015 5.55
2014 2.49
2013 2.00
2012 1.47
2011 3.21
2010 5.46
2009 5.36
2008 1.57
2007 10.31
2006 2.71
2005 2.80
2004 3.85
2003 0.19
2002 5.53
2001 2.44
2000 1.56
1999 4.30
1998 10.53
1997 4.62
1996 1.77
1995 4.97
1994 7.56
1993 9.65
1992 2.84
1991 4.88
1990 5.22
1989 2.33
1988 3.15
1987 8.51
1986 2.27
1985 4.22
1984 0.38
1983 1.30
1982 3.29
1981 4.13
1980 5.38
1979 5.33
1978 3.60
1977 5.45
1976 0.68
1975 4.53
1974 2.87
1973 2.72
1972 3.71
1971 0.43
1970 0.99
1969 0.54
1968 8.07
1967 3.95
1966 5.97
1965 7.08
1964 4.86
1963 3.01
1962 3.74
1961 1.51
1960 5.12
1959 3.41
1958 2.59
1957 4.94
1956 3.24
1955 0.37
1954 5.92
1953 1.94
1952 3.03
1951 5.86
1950 0.67
1949 0.45
1948 1.51