# Annual precipitation in Stillwater County

Annual precipitation in Stillwater County was 21.55 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-30095`
- 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/stillwater-county-montana
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-30095

| Period | inches |
|---|---:|
| 2025 | 21.55 |
| 2024 | 16.34 |
| 2023 | 21.37 |
| 2022 | 19.51 |
| 2021 | 12.53 |
| 2020 | 17.94 |
| 2019 | 25.75 |
| 2018 | 21.69 |
| 2017 | 21.69 |
| 2016 | 17.36 |
| 2015 | 17.91 |
| 2014 | 21.69 |
| 2013 | 19.59 |
| 2012 | 10.99 |
| 2011 | 20.46 |
| 2010 | 17.63 |
| 2009 | 17.8 |
| 2008 | 17.78 |
| 2007 | 17.97 |
| 2006 | 15.7 |
| 2005 | 20.23 |
| 2004 | 15.25 |
| 2003 | 15.52 |
| 2002 | 14.9 |
| 2001 | 13.29 |
| 2000 | 14.97 |
| 1999 | 14.6 |
| 1998 | 16.6 |
| 1997 | 22.95 |
| 1996 | 19.04 |
| 1995 | 20.82 |
| 1994 | 19.83 |
| 1993 | 20.29 |
| 1992 | 19.61 |
| 1991 | 21.48 |
| 1990 | 17.27 |
| 1989 | 21.33 |
| 1988 | 15.36 |
| 1987 | 15.67 |
| 1986 | 20.13 |
| 1985 | 15.86 |
| 1984 | 14.89 |
| 1983 | 17.41 |
| 1982 | 22.59 |
| 1981 | 18.66 |
| 1980 | 19.5 |
| 1979 | 13.28 |
| 1978 | 25.33 |
| 1977 | 15.86 |
| 1976 | 17.11 |
| 1975 | 24.66 |
| 1974 | 21.32 |
| 1973 | 16.71 |
| 1972 | 20.63 |
| 1971 | 19.61 |
| 1970 | 20.71 |
| 1969 | 15.58 |
| 1968 | 20.57 |
| 1967 | 22.85 |
| 1966 | 15.93 |
| 1965 | 20.17 |
| 1964 | 17.91 |
| 1963 | 16.51 |
| 1962 | 19.89 |
| 1961 | 16.38 |
| 1960 | 11.36 |
| 1959 | 15.9 |
| 1958 | 17.78 |
| 1957 | 23.68 |
| 1956 | 14.66 |
| 1955 | 18.73 |
| 1954 | 13.62 |
| 1953 | 14.9 |
| 1952 | 14.68 |
| 1951 | 18.03 |
| 1950 | 18.25 |