# Annual precipitation in Massac County

Annual precipitation in Massac County was 53.59 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-17127`
- 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/massac-county-illinois
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-17127

| Period | inches |
|---|---:|
| 2025 | 53.59 |
| 2024 | 55.52 |
| 2023 | 51.66 |
| 2022 | 45.19 |
| 2021 | 48.37 |
| 2020 | 56.1 |
| 2019 | 64.41 |
| 2018 | 56.7 |
| 2017 | 43.9 |
| 2016 | 50.44 |
| 2015 | 57.71 |
| 2014 | 42.83 |
| 2013 | 56.71 |
| 2012 | 32.25 |
| 2011 | 71.73 |
| 2010 | 36.61 |
| 2009 | 56.05 |
| 2008 | 54.5 |
| 2007 | 46.18 |
| 2006 | 65.08 |
| 2005 | 41.49 |
| 2004 | 45.06 |
| 2003 | 52.8 |
| 2002 | 55.28 |
| 2001 | 53.76 |
| 2000 | 48.06 |
| 1999 | 39.45 |
| 1998 | 50.86 |
| 1997 | 47.56 |
| 1996 | 55.94 |
| 1995 | 44.36 |
| 1994 | 42.29 |
| 1993 | 51.7 |
| 1992 | 38.39 |
| 1991 | 40.96 |
| 1990 | 60.49 |
| 1989 | 53.16 |
| 1988 | 44.13 |
| 1987 | 38.58 |
| 1986 | 45.94 |
| 1985 | 56.41 |
| 1984 | 57.64 |
| 1983 | 56.15 |
| 1982 | 53.85 |
| 1981 | 44.71 |
| 1980 | 35.15 |
| 1979 | 63.1 |
| 1978 | 50.16 |
| 1977 | 47.52 |
| 1976 | 36.96 |
| 1975 | 57.38 |
| 1974 | 45 |
| 1973 | 61.57 |
| 1972 | 55.53 |
| 1971 | 41.75 |
| 1970 | 46.32 |
| 1969 | 47.03 |
| 1968 | 48.56 |
| 1967 | 47.64 |
| 1966 | 49.43 |
| 1965 | 46.26 |
| 1964 | 44.97 |
| 1963 | 30.34 |
| 1962 | 49.14 |
| 1961 | 57.92 |
| 1960 | 40.21 |
| 1959 | 45.11 |
| 1958 | 49.19 |
| 1957 | 66.17 |
| 1956 | 37.86 |
| 1955 | 39.13 |
| 1954 | 39.57 |
| 1953 | 33.92 |
| 1952 | 39.97 |
| 1951 | 59.06 |
| 1950 | 69.83 |