# Annual precipitation in Pennsylvania

Annual precipitation in Pennsylvania was 40.27 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-state-42`
- 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/36/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/36/pcp/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/annual-precipitation/pennsylvania
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-state-42

| Period | inches |
|---|---:|
| 2025 | 40.27 |
| 2024 | 44.86 |
| 2023 | 42.96 |
| 2022 | 44.93 |
| 2021 | 46.11 |
| 2020 | 43.26 |
| 2019 | 50.78 |
| 2018 | 64.04 |
| 2017 | 46.61 |
| 2016 | 38.99 |
| 2015 | 43.09 |
| 2014 | 42.43 |
| 2013 | 41.82 |
| 2012 | 43.49 |
| 2011 | 60.99 |
| 2010 | 42.3 |
| 2009 | 42.77 |
| 2008 | 45.82 |
| 2007 | 44.11 |
| 2006 | 47.56 |
| 2005 | 42.97 |
| 2004 | 53.9 |
| 2003 | 53.57 |
| 2002 | 43.55 |
| 2001 | 34.34 |
| 2000 | 41.38 |
| 1999 | 41.12 |
| 1998 | 40.41 |
| 1997 | 38.8 |
| 1996 | 56.3 |
| 1995 | 37.51 |
| 1994 | 48.19 |
| 1993 | 45.8 |
| 1992 | 41.61 |
| 1991 | 33.35 |
| 1990 | 49.7 |
| 1989 | 44.27 |
| 1988 | 35.9 |
| 1987 | 40.67 |
| 1986 | 43.25 |
| 1985 | 41.54 |
| 1984 | 46.09 |
| 1983 | 46.72 |
| 1982 | 38.33 |
| 1981 | 40.21 |
| 1980 | 36.87 |
| 1979 | 48.31 |
| 1978 | 43.1 |
| 1977 | 46.69 |
| 1976 | 41.68 |
| 1975 | 50.22 |
| 1974 | 43.45 |
| 1973 | 45.66 |
| 1972 | 52.63 |
| 1971 | 40.78 |
| 1970 | 43.89 |
| 1969 | 37.96 |
| 1968 | 38.07 |
| 1967 | 42.12 |
| 1966 | 35.89 |
| 1965 | 33.87 |
| 1964 | 36.7 |
| 1963 | 31.93 |
| 1962 | 37.5 |
| 1961 | 40.86 |
| 1960 | 39.77 |
| 1959 | 42.82 |
| 1958 | 43.24 |
| 1957 | 36.45 |
| 1956 | 47.93 |
| 1955 | 40.59 |
| 1954 | 41.64 |
| 1953 | 40.59 |
| 1952 | 46.02 |
| 1951 | 44.4 |
| 1950 | 48.32 |
| 1949 | 37.65 |
| 1948 | 46.13 |
| 1947 | 41.2 |
| 1946 | 40.1 |
| 1945 | 49.97 |
| 1944 | 40.5 |
| 1943 | 38.22 |
| 1942 | 48.21 |
| 1941 | 33.95 |
| 1940 | 43.84 |
| 1939 | 37.42 |
| 1938 | 40.21 |
| 1937 | 47.48 |
| 1936 | 43.32 |
| 1935 | 40.46 |
| 1934 | 38.52 |
| 1933 | 45.29 |
| 1932 | 39.62 |
| 1931 | 37.8 |
| 1930 | 28.85 |
| 1929 | 45.03 |
| 1928 | 41.98 |
| 1927 | 47.18 |
| 1926 | 43.12 |
| 1925 | 38.31 |
| 1924 | 42.96 |
| 1923 | 38.76 |
| 1922 | 35.26 |
| 1921 | 42.25 |
| 1920 | 41.37 |
| 1919 | 44.73 |
| 1918 | 41.68 |
| 1917 | 40.62 |
| 1916 | 41.88 |
| 1915 | 44.18 |
| 1914 | 38.58 |
| 1913 | 43.55 |
| 1912 | 44.09 |
| 1911 | 45.27 |
| 1910 | 39.33 |
| 1909 | 37.48 |
| 1908 | 39.83 |
| 1907 | 44.84 |
| 1906 | 41.84 |
| 1905 | 43.97 |
| 1904 | 40.3 |
| 1903 | 46.41 |
| 1902 | 46.26 |
| 1901 | 46.66 |
| 1900 | 37.85 |
| 1899 | 40.62 |
| 1898 | 45.38 |
| 1897 | 41.83 |
| 1896 | 39.99 |
| 1895 | 33.09 |