# Annual precipitation in Flathead County

Annual precipitation in Flathead County was 39.1 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-30029`
- 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/flathead-county-montana
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-30029

| Period | inches |
|---|---:|
| 2025 | 39.1 |
| 2024 | 33.96 |
| 2023 | 26.74 |
| 2022 | 36.7 |
| 2021 | 33.59 |
| 2020 | 37.36 |
| 2019 | 32.23 |
| 2018 | 33.09 |
| 2017 | 38.34 |
| 2016 | 40.41 |
| 2015 | 27.53 |
| 2014 | 43.14 |
| 2013 | 33.64 |
| 2012 | 42.15 |
| 2011 | 41.43 |
| 2010 | 37.6 |
| 2009 | 32.73 |
| 2008 | 36.4 |
| 2007 | 30.52 |
| 2006 | 39.01 |
| 2005 | 35.53 |
| 2004 | 35.48 |
| 2003 | 31.59 |
| 2002 | 35.07 |
| 2001 | 28.36 |
| 2000 | 27.97 |
| 1999 | 34.31 |
| 1998 | 38.54 |
| 1997 | 36.71 |
| 1996 | 48.29 |
| 1995 | 44.12 |
| 1994 | 30.97 |
| 1993 | 36.03 |
| 1992 | 32.69 |
| 1991 | 34.63 |
| 1990 | 46.19 |
| 1989 | 44.3 |
| 1988 | 33.1 |
| 1987 | 29.68 |
| 1986 | 37.49 |
| 1985 | 33.68 |
| 1984 | 37.75 |
| 1983 | 35.14 |
| 1982 | 42.25 |
| 1981 | 36.81 |
| 1980 | 43.02 |
| 1979 | 30.8 |
| 1978 | 37.4 |
| 1977 | 35.23 |
| 1976 | 32.58 |
| 1975 | 42.83 |
| 1974 | 38.59 |
| 1973 | 29.98 |
| 1972 | 43.35 |
| 1971 | 42.11 |
| 1970 | 43.57 |
| 1969 | 31.6 |
| 1968 | 41.13 |
| 1967 | 36.23 |
| 1966 | 40.31 |
| 1965 | 38.51 |
| 1964 | 49.55 |
| 1963 | 34.19 |
| 1962 | 34.14 |
| 1961 | 43.76 |
| 1960 | 33.05 |
| 1959 | 48.37 |
| 1958 | 47.35 |
| 1957 | 34.75 |
| 1956 | 37.71 |
| 1955 | 42.4 |
| 1954 | 43.74 |
| 1953 | 42.45 |
| 1952 | 24.81 |
| 1951 | 50.73 |
| 1950 | 46.22 |