Annual precipitation in Siskiyou County

Annual precipitation in Siskiyou County was 38.1 inches in 2025, according to NOAA National Centers for Environmental Information. That is down 19.2% from 2024. That is the 14th highest of 58 counties in 2025.

2025, inches38.1

Change on 2024-19.2%

Rank14th of 58Counties in California ranked

Series high63.951998

Series low16.122013

Next release: Wednesday, 6 October 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

Annual precipitation in Siskiyou County, 1950 to 2025

inches. Source: NOAA NCEI, NOAA Climate at a Glance, January to December precipitation, counties. Retrieved 2026-10-12, published 2026-10-06.

All 76 values

Period	inches
2025	38.1
2024	47.18
2023	34.7
2022	24.08
2021	29.23
2020	23.22
2019	39.49
2018	26.23
2017	43.62
2016	48.93
2015	32.34
2014	36.62
2013	16.12
2012	45.16
2011	31.04
2010	46.73
2009	26.98
2008	28.57
2007	30.24
2006	44.03
2005	48.59
2004	36.88
2003	36.68
2002	37.79
2001	33.4
2000	36.16
1999	33.87
1998	63.95
1997	36.11
1996	60.78
1995	61.25
1994	25.21
1993	39.74
1992	33.19
1991	28.29
1990	29.56
1989	31.97
1988	29.03
1987	33.83
1986	42.6
1985	22.03
1984	36.24
1983	62.29
1982	48.83
1981	50.44
1980	34.74
1979	41.77
1978	35.51
1977	34.37
1976	18.36
1975	44.01
1974	40.2
1973	47.1
1972	39.04
1971	39.32
1970	51.85
1969	43.58
1968	38.49
1967	35.08
1966	37.81
1965	33.99
1964	46.7
1963	41.24
1962	42.01
1961	40.48
1960	44.25
1959	26.47
1958	48.31
1957	50.9
1956	38.12
1955	38.62
1954	41.2
1953	45.16
1952	41.84
1951	44.8
1950	50.03

Compared with California and United States

Place	2025
Siskiyou County	38.1
California	23.29
United States	29.26

Siskiyou County compared with nearby places

Under 14
14 to 19
19 to 23
23 to 34
34 to 44
44 and over

Annual precipitation, 2025, inches. Siskiyou County is outlined. Same source and period for every area shown. Source: NOAA National Centers for Environmental Information. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

US states by annual precipitation 50 places
Counties in California by annual precipitation 58 places

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.

Values are area averages, not the reading at one weather station. NOAA revises the last two years every month.

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How to cite

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.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

NOAA National Centers for Environmental Information. (2026). NOAA Climate at a Glance, January to December precipitation, counties (Annual precipitation, Siskiyou County, 1950 to 2025) [Data set]. Retrieved October 12, 2026, from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping

MLA 9

NOAA Climate at a Glance, January to December precipitation, counties, Annual precipitation, Siskiyou County, 1950 to 2025. NOAA National Centers for Environmental Information, 6 Oct. 2026, https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Invokely, https://invokely.ai/en/annual-precipitation/siskiyou-county-california. Accessed 12 Oct. 2026.

Chicago (author-date)

NOAA National Centers for Environmental Information. 2026. NOAA Climate at a Glance, January to December precipitation, counties. Annual precipitation, Siskiyou County, 1950 to 2025. Dataset. Accessed October 12, 2026. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Also distributed by Invokely, https://invokely.ai/en/annual-precipitation/siskiyou-county-california.

Harvard

NOAA National Centers for Environmental Information (2026) NOAA Climate at a Glance, January to December precipitation, counties, Annual precipitation, Siskiyou County, 1950 to 2025 [Dataset]. Available at: https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping, via Invokely: https://invokely.ai/en/annual-precipitation/siskiyou-county-california (Accessed: 12 October 2026).

BibTeX

@misc{noaa_annual_precipitation_siskiyou_county_2025,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December precipitation, counties: Annual precipitation, Siskiyou County, 1950 to 2025}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/annual-precipitation/siskiyou-county-california. Publisher attribution: 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.},
}

RIS

TY  - DATA
AU  - NOAA National Centers for Environmental Information
TI  - NOAA Climate at a Glance, January to December precipitation, counties: Annual precipitation, Siskiyou County, 1950 to 2025
PY  - 2026
DA  - 2026/10/06
PB  - NOAA National Centers for Environmental Information
DB  - Invokely
UR  - https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
L2  - https://invokely.ai/en/annual-precipitation/siskiyou-county-california
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/annual-precipitation/siskiyou-county-california.
N1  - Publisher attribution: 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.
ER  -

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Questions

What is the annual precipitation in Siskiyou County?

Where does this figure come from?

NOAA National Centers for Environmental Information. NOAA Climate at a Glance, January to December precipitation, counties. Retrieved by Invokely on 2026-10-12.

What was the highest annual precipitation in Siskiyou County?

63.95 inches in 1998, the highest value since 1950 in this series.

Related statistics for Siskiyou County

All statistics for Siskiyou County | Siskiyou County in figures