# Annual precipitation in Clinton County

Annual precipitation in Clinton County was 32.6 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-19045`
- 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/clinton-county-iowa
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-19045

| Period | inches |
|---|---:|
| 2025 | 32.6 |
| 2024 | 38.66 |
| 2023 | 29.19 |
| 2022 | 35.15 |
| 2021 | 29.63 |
| 2020 | 39.06 |
| 2019 | 48.97 |
| 2018 | 47.49 |
| 2017 | 36.69 |
| 2016 | 40.72 |
| 2015 | 46.88 |
| 2014 | 37.01 |
| 2013 | 35.54 |
| 2012 | 25.81 |
| 2011 | 36.17 |
| 2010 | 41.58 |
| 2009 | 48.1 |
| 2008 | 42.81 |
| 2007 | 40.1 |
| 2006 | 37.65 |
| 2005 | 22.23 |
| 2004 | 36.95 |
| 2003 | 26.94 |
| 2002 | 35.07 |
| 2001 | 38.09 |
| 2000 | 36.82 |
| 1999 | 32.49 |
| 1998 | 44.43 |
| 1997 | 30.46 |
| 1996 | 36.3 |
| 1995 | 35.45 |
| 1994 | 30.41 |
| 1993 | 49.76 |
| 1992 | 39.91 |
| 1991 | 33.4 |
| 1990 | 47.79 |
| 1989 | 29.24 |
| 1988 | 20.73 |
| 1987 | 33.16 |
| 1986 | 40.03 |
| 1985 | 37.06 |
| 1984 | 36 |
| 1983 | 32.92 |
| 1982 | 39.17 |
| 1981 | 39.5 |
| 1980 | 33.9 |
| 1979 | 35.68 |
| 1978 | 30.22 |
| 1977 | 39.65 |
| 1976 | 23.35 |
| 1975 | 28.94 |
| 1974 | 40.29 |
| 1973 | 50.62 |
| 1972 | 42.28 |
| 1971 | 33.59 |
| 1970 | 41.57 |
| 1969 | 35 |
| 1968 | 30.92 |
| 1967 | 38.5 |
| 1966 | 29.47 |
| 1965 | 45.43 |
| 1964 | 31.52 |
| 1963 | 27.16 |
| 1962 | 30.29 |
| 1961 | 46.31 |
| 1960 | 39.36 |
| 1959 | 42.89 |
| 1958 | 26.04 |
| 1957 | 34.6 |
| 1956 | 30.52 |
| 1955 | 29.2 |
| 1954 | 36.41 |
| 1953 | 30.82 |
| 1952 | 29.97 |
| 1951 | 46.21 |
| 1950 | 32.93 |