Waterloo October Precipitation Totals

A time series of total precipitation in the month of October in Waterloo, Iowa from 1900–2023.
Rainiest October in Waterloo History
The rainiest October in Waterloo, Iowa history happened in 2009, with 5.86 inches of total precipitation.
Driest October in Waterloo History
The driest October in Waterloo, Iowa history happened in 1952, when no precipitation was recorded for the entire month.
Waterloo Average October Precipitation by Year
Year Precipitation (inches)
2023 3.38
2022 1.39
2021 3.72
2020 3.07
2019 5.73
2018 5.66
2017 5.55
2016 2.48
2015 1.67
2014 3.65
2013 2.14
2012 3.86
2011 1.37
2010 0.32
2009 5.86
2008 1.53
2007 3.76
2006 1.95
2005 0.44
2004 2.11
2003 0.84
2002 2.09
2001 3.45
2000 1.07
1999 0.34
1998 4.51
1997 4.30
1996 3.51
1995 2.39
1994 1.89
1993 1.80
1992 0.72
1991 4.61
1990 1.38
1989 3.13
1988 0.68
1987 0.81
1986 3.74
1985 3.09
1984 5.45
1983 4.35
1982 2.69
1981 1.76
1980 1.56
1979 4.18
1978 1.02
1977 2.94
1976 1.75
1975 0.04
1974 4.08
1973 0.94
1972 3.77
1971 2.43
1970 3.50
1969 3.04
1968 2.97
1967 2.80
1966 3.21
1965 1.93
1964 0.46
1963 1.26
1962 3.03
1961 4.97
1960 3.51
1959 2.47
1958 1.09
1957 3.15
1956 1.72
1955 1.23
1954 3.74
1953 0.21
1952 0.00
1951 3.98
1950 0.81
1949 1.13
1948 2.22
1945 0.31
1926 2.41
1920 2.42
1914 3.17
1900 3.72