# Annual precipitation in Rock County

Annual precipitation in Rock County was 27.53 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-31149`
- 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/rock-county-nebraska
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-31149

| Period | inches |
|---|---:|
| 2025 | 27.53 |
| 2024 | 22.61 |
| 2023 | 29.55 |
| 2022 | 15.28 |
| 2021 | 20.77 |
| 2020 | 21.27 |
| 2019 | 35.84 |
| 2018 | 33.48 |
| 2017 | 29.71 |
| 2016 | 26.51 |
| 2015 | 25.56 |
| 2014 | 22.53 |
| 2013 | 24.78 |
| 2012 | 13.64 |
| 2011 | 28.99 |
| 2010 | 30.73 |
| 2009 | 25.78 |
| 2008 | 29.45 |
| 2007 | 29.17 |
| 2006 | 20.92 |
| 2005 | 27.35 |
| 2004 | 23.29 |
| 2003 | 19.04 |
| 2002 | 13.94 |
| 2001 | 27.6 |
| 2000 | 20.59 |
| 1999 | 20.48 |
| 1998 | 28.35 |
| 1997 | 22.53 |
| 1996 | 24.56 |
| 1995 | 31.4 |
| 1994 | 24.45 |
| 1993 | 30.79 |
| 1992 | 25.65 |
| 1991 | 21.32 |
| 1990 | 24.03 |
| 1989 | 14.3 |
| 1988 | 26.29 |
| 1987 | 23.98 |
| 1986 | 29.65 |
| 1985 | 21.59 |
| 1984 | 26.86 |
| 1983 | 28.22 |
| 1982 | 26.69 |
| 1981 | 21.57 |
| 1980 | 15.53 |
| 1979 | 28.93 |
| 1978 | 25 |
| 1977 | 34.37 |
| 1976 | 17.45 |
| 1975 | 18.64 |
| 1974 | 15.3 |
| 1973 | 27.85 |
| 1972 | 24.81 |
| 1971 | 23.72 |
| 1970 | 19.43 |
| 1969 | 19.49 |
| 1968 | 22.31 |
| 1967 | 19.31 |
| 1966 | 17.97 |
| 1965 | 24.99 |
| 1964 | 21.06 |
| 1963 | 22.36 |
| 1962 | 31.22 |
| 1961 | 18.24 |
| 1960 | 23.92 |
| 1959 | 19.54 |
| 1958 | 21.19 |
| 1957 | 25.32 |
| 1956 | 14.6 |
| 1955 | 15.21 |
| 1954 | 19.31 |
| 1953 | 22.42 |
| 1952 | 15.74 |
| 1951 | 34.21 |
| 1950 | 26.31 |