# Annual precipitation in Monona County

Annual precipitation in Monona County was 32.83 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-19133`
- Unit: inches
- Definition: Total precipitation from January to December, in inches: rain plus the water content of snow and other frozen precipitation. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.
- Note: Values are area averages, not the reading at one weather station. NOAA revises the last two years every month.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December precipitation, counties (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- License: Public domain (US government work); NCEI asks users to cite the nClimDiv dataset
- Citation: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December precipitation, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/annual-precipitation/monona-county-iowa
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-19133

| Period | inches |
|---|---:|
| 2025 | 32.83 |
| 2024 | 30.19 |
| 2023 | 26.41 |
| 2022 | 19.34 |
| 2021 | 29.87 |
| 2020 | 21.67 |
| 2019 | 33.78 |
| 2018 | 37.93 |
| 2017 | 34.14 |
| 2016 | 32.17 |
| 2015 | 38.54 |
| 2014 | 36.85 |
| 2013 | 27.49 |
| 2012 | 21.51 |
| 2011 | 25.44 |
| 2010 | 33.25 |
| 2009 | 31.57 |
| 2008 | 34.64 |
| 2007 | 37.87 |
| 2006 | 28.56 |
| 2005 | 25.72 |
| 2004 | 26.8 |
| 2003 | 25.84 |
| 2002 | 24.1 |
| 2001 | 33.91 |
| 2000 | 22.71 |
| 1999 | 29.02 |
| 1998 | 37.78 |
| 1997 | 23.22 |
| 1996 | 35.91 |
| 1995 | 29.29 |
| 1994 | 28.54 |
| 1993 | 41.82 |
| 1992 | 35.34 |
| 1991 | 31.86 |
| 1990 | 31.43 |
| 1989 | 21.16 |
| 1988 | 22.19 |
| 1987 | 33.98 |
| 1986 | 35.8 |
| 1985 | 25.03 |
| 1984 | 41.5 |
| 1983 | 34.68 |
| 1982 | 39.58 |
| 1981 | 20.07 |
| 1980 | 20.79 |
| 1979 | 29.29 |
| 1978 | 29.34 |
| 1977 | 33.61 |
| 1976 | 14.76 |
| 1975 | 29.29 |
| 1974 | 24.13 |
| 1973 | 34.31 |
| 1972 | 33.92 |
| 1971 | 25.05 |
| 1970 | 25.73 |
| 1969 | 25.01 |
| 1968 | 32.18 |
| 1967 | 26.23 |
| 1966 | 22.24 |
| 1965 | 35 |
| 1964 | 29.96 |
| 1963 | 28.03 |
| 1962 | 32.68 |
| 1961 | 29.89 |
| 1960 | 29.76 |
| 1959 | 34.63 |
| 1958 | 22.11 |
| 1957 | 31.64 |
| 1956 | 20.97 |
| 1955 | 17.41 |
| 1954 | 30.27 |
| 1953 | 23.44 |
| 1952 | 31.08 |
| 1951 | 39.94 |
| 1950 | 26.94 |