# Annual precipitation in St. Mary Parish

Annual precipitation in St. Mary Parish was 54.58 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-22101`
- 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/st-mary-parish-louisiana
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-22101

| Period | inches |
|---|---:|
| 2025 | 54.58 |
| 2024 | 66.41 |
| 2023 | 43.19 |
| 2022 | 48.55 |
| 2021 | 72.39 |
| 2020 | 56.91 |
| 2019 | 59.68 |
| 2018 | 65.66 |
| 2017 | 74.8 |
| 2016 | 76.59 |
| 2015 | 72.35 |
| 2014 | 57.14 |
| 2013 | 65.83 |
| 2012 | 59.51 |
| 2011 | 37.89 |
| 2010 | 47.12 |
| 2009 | 65.07 |
| 2008 | 47.81 |
| 2007 | 54.64 |
| 2006 | 49.89 |
| 2005 | 49.53 |
| 2004 | 66.27 |
| 2003 | 55.28 |
| 2002 | 68.45 |
| 2001 | 66.17 |
| 2000 | 45.51 |
| 1999 | 50.54 |
| 1998 | 69.33 |
| 1997 | 60.97 |
| 1996 | 52.28 |
| 1995 | 62.56 |
| 1994 | 49.94 |
| 1993 | 64.41 |
| 1992 | 86.39 |
| 1991 | 83.17 |
| 1990 | 52.32 |
| 1989 | 66.11 |
| 1988 | 68.59 |
| 1987 | 66.13 |
| 1986 | 56.3 |
| 1985 | 64.31 |
| 1984 | 59.93 |
| 1983 | 74.13 |
| 1982 | 64.01 |
| 1981 | 44.5 |
| 1980 | 71.39 |
| 1979 | 70.39 |
| 1978 | 64.42 |
| 1977 | 66.89 |
| 1976 | 48.67 |
| 1975 | 69.83 |
| 1974 | 57.56 |
| 1973 | 73.61 |
| 1972 | 62.68 |
| 1971 | 53.81 |
| 1970 | 60.9 |
| 1969 | 58.32 |
| 1968 | 53.65 |
| 1967 | 53.24 |
| 1966 | 70.42 |
| 1965 | 53.47 |
| 1964 | 71.33 |
| 1963 | 50.98 |
| 1962 | 43.22 |
| 1961 | 65.51 |
| 1960 | 49.59 |
| 1959 | 66.91 |
| 1958 | 53.12 |
| 1957 | 65.29 |
| 1956 | 54.35 |
| 1955 | 59.06 |
| 1954 | 48.47 |
| 1953 | 62.46 |
| 1952 | 55.7 |
| 1951 | 52.1 |
| 1950 | 53.18 |