# Annual precipitation in Clay County

Annual precipitation in Clay County was 45.93 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-17025`
- 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/clay-county-illinois
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-17025

| Period | inches |
|---|---:|
| 2025 | 45.93 |
| 2024 | 46.44 |
| 2023 | 40.29 |
| 2022 | 46.47 |
| 2021 | 49.4 |
| 2020 | 53.05 |
| 2019 | 55.92 |
| 2018 | 56.9 |
| 2017 | 40 |
| 2016 | 45.26 |
| 2015 | 55.23 |
| 2014 | 46.13 |
| 2013 | 53.52 |
| 2012 | 38.13 |
| 2011 | 57.64 |
| 2010 | 38.75 |
| 2009 | 53.67 |
| 2008 | 56.62 |
| 2007 | 39.53 |
| 2006 | 52.3 |
| 2005 | 37.29 |
| 2004 | 46.67 |
| 2003 | 42.05 |
| 2002 | 43 |
| 2001 | 35.75 |
| 2000 | 49.51 |
| 1999 | 42.82 |
| 1998 | 49.89 |
| 1997 | 38.36 |
| 1996 | 43.59 |
| 1995 | 41.77 |
| 1994 | 35.02 |
| 1993 | 58.46 |
| 1992 | 34.55 |
| 1991 | 34.53 |
| 1990 | 51.96 |
| 1989 | 39.09 |
| 1988 | 36.43 |
| 1987 | 37.11 |
| 1986 | 35.95 |
| 1985 | 52.54 |
| 1984 | 45.55 |
| 1983 | 48.24 |
| 1982 | 50.95 |
| 1981 | 39.32 |
| 1980 | 30.28 |
| 1979 | 48.31 |
| 1978 | 38.87 |
| 1977 | 43.78 |
| 1976 | 27.54 |
| 1975 | 41.97 |
| 1974 | 46.41 |
| 1973 | 52.05 |
| 1972 | 38.64 |
| 1971 | 34.61 |
| 1970 | 34.21 |
| 1969 | 47.81 |
| 1968 | 36.43 |
| 1967 | 45.54 |
| 1966 | 35.37 |
| 1965 | 35.84 |
| 1964 | 35.01 |
| 1963 | 29.36 |
| 1962 | 36.62 |
| 1961 | 49.22 |
| 1960 | 33.07 |
| 1959 | 41.82 |
| 1958 | 42.19 |
| 1957 | 56.8 |
| 1956 | 35.61 |
| 1955 | 41.02 |
| 1954 | 31.88 |
| 1953 | 26.46 |
| 1952 | 32.31 |
| 1951 | 43.38 |
| 1950 | 49.96 |