# Annual precipitation in Washington

Annual precipitation in Washington was 40.04 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-state-53`
- 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, contiguous US and statewide (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/45/pcp/12/12/1895-2025/data.json)
- 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, contiguous US and statewide. 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/statewide/time-series/45/pcp/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/annual-precipitation/washington
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-state-53

| Period | inches |
|---|---:|
| 2025 | 40.04 |
| 2024 | 42.38 |
| 2023 | 35.82 |
| 2022 | 42.4 |
| 2021 | 43.87 |
| 2020 | 45.25 |
| 2019 | 33.06 |
| 2018 | 41.32 |
| 2017 | 48.73 |
| 2016 | 49.14 |
| 2015 | 43.25 |
| 2014 | 48.8 |
| 2013 | 35.68 |
| 2012 | 52.87 |
| 2011 | 43.82 |
| 2010 | 47.32 |
| 2009 | 39.9 |
| 2008 | 37.39 |
| 2007 | 40.24 |
| 2006 | 50.26 |
| 2005 | 38.64 |
| 2004 | 37.65 |
| 2003 | 43.47 |
| 2002 | 36.51 |
| 2001 | 39.16 |
| 2000 | 34.21 |
| 1999 | 49.3 |
| 1998 | 48.61 |
| 1997 | 51.07 |
| 1996 | 54.95 |
| 1995 | 51.08 |
| 1994 | 42.51 |
| 1993 | 33.68 |
| 1992 | 37.13 |
| 1991 | 40.48 |
| 1990 | 50.91 |
| 1989 | 36.56 |
| 1988 | 39.95 |
| 1987 | 34.39 |
| 1986 | 41.63 |
| 1985 | 29.99 |
| 1984 | 46.97 |
| 1983 | 51.83 |
| 1982 | 47.39 |
| 1981 | 43.8 |
| 1980 | 44.74 |
| 1979 | 38.2 |
| 1978 | 35.99 |
| 1977 | 41.56 |
| 1976 | 33.18 |
| 1975 | 50.92 |
| 1974 | 47.29 |
| 1973 | 41.42 |
| 1972 | 49.94 |
| 1971 | 48.85 |
| 1970 | 42.24 |
| 1969 | 37.23 |
| 1968 | 49.96 |
| 1967 | 42.82 |
| 1966 | 41.66 |
| 1965 | 36.52 |
| 1964 | 45.11 |
| 1963 | 39.34 |
| 1962 | 40.23 |
| 1961 | 48.75 |
| 1960 | 42.38 |
| 1959 | 46.77 |
| 1958 | 46.37 |
| 1957 | 39.2 |
| 1956 | 42.98 |
| 1955 | 48.92 |
| 1954 | 45.22 |
| 1953 | 50.84 |
| 1952 | 27.81 |
| 1951 | 45.45 |
| 1950 | 54.17 |
| 1949 | 38.69 |
| 1948 | 53.45 |
| 1947 | 41.79 |
| 1946 | 43.68 |
| 1945 | 46.33 |
| 1944 | 30.3 |
| 1943 | 32.65 |
| 1942 | 38.65 |
| 1941 | 40.06 |
| 1940 | 42.22 |
| 1939 | 35.86 |
| 1938 | 33.76 |
| 1937 | 49.88 |
| 1936 | 36.95 |
| 1935 | 32.67 |
| 1934 | 43.57 |
| 1933 | 53.43 |
| 1932 | 47.78 |
| 1931 | 43.33 |
| 1930 | 28.86 |
| 1929 | 26 |
| 1928 | 34.16 |
| 1927 | 45.67 |
| 1926 | 38.23 |
| 1925 | 35.48 |
| 1924 | 36.95 |
| 1923 | 39.13 |
| 1922 | 32.71 |
| 1921 | 49.14 |
| 1920 | 43.87 |
| 1919 | 40.36 |
| 1918 | 40.15 |
| 1917 | 43.05 |
| 1916 | 43.36 |
| 1915 | 42.21 |
| 1914 | 39.82 |
| 1913 | 37.28 |
| 1912 | 43.63 |
| 1911 | 33.92 |
| 1910 | 43.17 |
| 1909 | 44.44 |
| 1908 | 37.31 |
| 1907 | 40.24 |
| 1906 | 45.7 |
| 1905 | 39.66 |
| 1904 | 45.44 |
| 1903 | 42.65 |
| 1902 | 50.51 |
| 1901 | 42.06 |
| 1900 | 45.41 |
| 1899 | 52.08 |
| 1898 | 35.08 |
| 1897 | 50.58 |
| 1896 | 49.17 |
| 1895 | 35.76 |