Number of Days of 100 °F in Seneca by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Seneca, Oregon, between 1908 and 2021.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 2021 holds the record for the most 100 °F days in Seneca history. There were 4 days with a high temperature of at least 100 degrees that year.

Years marked with a gold background have more than 5% incomplete data
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Year	Rank	Days >= 100 °F
2021	1	4
2020	4	2
2019	16	0
2018	4	2
2017	16	0
2016	16	0
2015	16	0
2014	16	0
2013	16	0
2012	16	0
2011	16	0
2010	16	0
2009	16	0
2008	16	0
2007	8	1
2006	8	1
2005	16	0
2004	16	0
2003	8	1
2002	2	3
2001	16	0
2000	16	0
1999	16	0
1998	16	0
1997	16	0
1996	16	0
1995	16	0
1994	16	0
1993	16	0
1992	16	0
1991	16	0
1990	16	0
1989	16	0
1988	16	0
1987	16	0
1986	16	0
1985	16	0
1984	16	0
1983	16	0
1982	16	0
1981	16	0
1980	16	0
1979	16	0
1978	16	0
1977	16	0
1976	16	0
1975	16	0
1974	16	0
1973	16	0
1972	16	0
1971	16	0
1970	16	0
1969	16	0
1968	16	0
1967	16	0
1966	16	0
1965	16	0
1964	16	0
1963	16	0
1962	16	0
1961	2	3
1960	16	0
1959	16	0
1958	16	0
1957	16	0
1956	8	1
1955	16	0
1954	16	0
1953	16	0
1952	16	0
1951	16	0
1950	16	0
1949	16	0
1948	16	0
1947	16	0
1946	16	0
1945	16	0
1944	16	0
1943	16	0
1942	16	0
1941	4	2
1940	16	0
1939	16	0
1938	16	0
1937	8	1
1936	8	1
1935	8	1
1934	4	2
1933	8	1
1932	16	0
1931	16	0
1930	16	0
1929	16	0
1928	16	0
1927	16	0
1926	16	0
1925	16	0
1924	16	0
1923	16	0
1922	16	0
1921	16	0
1920	16	0
1919	16	0
1918	16	0
1917	16	0
1916	16	0
1915	16	0
1914	16	0
1913	16	0
1912	16	0
1911	16	0
1910	16	0
1909	16	0
1908	16	0

Weather Station Details

Years	Station	Coordinates
1908–2021	Seneca	location