# Annual precipitation in St. Helena Parish

Annual precipitation in St. Helena Parish was 52.3 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-22091`
- 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-helena-parish-louisiana
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-22091

| Period | inches |
|---|---:|
| 2025 | 52.3 |
| 2024 | 64.74 |
| 2023 | 47.67 |
| 2022 | 66.09 |
| 2021 | 86.69 |
| 2020 | 64.1 |
| 2019 | 62.86 |
| 2018 | 65.35 |
| 2017 | 73.83 |
| 2016 | 79 |
| 2015 | 74.52 |
| 2014 | 63.18 |
| 2013 | 66.03 |
| 2012 | 66.51 |
| 2011 | 51.15 |
| 2010 | 51.61 |
| 2009 | 67.56 |
| 2008 | 61.21 |
| 2007 | 50.71 |
| 2006 | 55.25 |
| 2005 | 49.97 |
| 2004 | 73.01 |
| 2003 | 56.01 |
| 2002 | 68.8 |
| 2001 | 67.09 |
| 2000 | 44.18 |
| 1999 | 48.17 |
| 1998 | 61.59 |
| 1997 | 68.98 |
| 1996 | 59.27 |
| 1995 | 74.73 |
| 1994 | 67.88 |
| 1993 | 71.69 |
| 1992 | 78.69 |
| 1991 | 73.2 |
| 1990 | 66.38 |
| 1989 | 69.84 |
| 1988 | 75.87 |
| 1987 | 64.76 |
| 1986 | 55.96 |
| 1985 | 65.94 |
| 1984 | 57.77 |
| 1983 | 83.7 |
| 1982 | 67.6 |
| 1981 | 48.95 |
| 1980 | 75.51 |
| 1979 | 77.2 |
| 1978 | 54.64 |
| 1977 | 83.19 |
| 1976 | 51.52 |
| 1975 | 73.05 |
| 1974 | 69.3 |
| 1973 | 81.83 |
| 1972 | 68.98 |
| 1971 | 64.96 |
| 1970 | 55.41 |
| 1969 | 55.27 |
| 1968 | 54.62 |
| 1967 | 56.28 |
| 1966 | 69.72 |
| 1965 | 51.8 |
| 1964 | 72.32 |
| 1963 | 43.87 |
| 1962 | 57.59 |
| 1961 | 83.94 |
| 1960 | 47.75 |
| 1959 | 71.26 |
| 1958 | 59.61 |
| 1957 | 64.63 |
| 1956 | 49.22 |
| 1955 | 58.59 |
| 1954 | 46.29 |
| 1953 | 82.09 |
| 1952 | 45.89 |
| 1951 | 52.36 |
| 1950 | 60.42 |