Yreka Threshold Days by Year (USC00049866)

18 fixed thresholds counted per year at Yreka (USC00049866): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Yreka Thresholds

Yreka: days with a maximum temperature at or above 30 C (86 F) in 111 years, most in 1924 with 108.
Yreka: days with a maximum temperature at or above 35 C (95 F) in 111 years, most in 2021 with 61.
Yreka: days with a maximum temperature at or above 90 F (32.2 C) in 111 years, most in 2017 with 86.
Yreka: nights with a minimum temperature at or below 0 C (32 F) in 111 years, most in 1917 with 203.
18 fixed thresholds have at least one qualifying day at Yreka.

Days at or above 30 C (86 F)

111 years with a qualifying day

Days per year at Yreka with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 108 in 1924.

Days at or above 30 C (86 F) per year at Yreka
Year	Days	Decade average
1893	52	69
1894	79	69
1895	73	69
1896	72	69
1897	71	69
1898	74	69
1899	62	69
1900	33	42
1901	51	42
1914	80	81.5
1915	71	81.5
1916	61	81.5
1917	95	81.5
1918	93	81.5
1919	89	81.5
1920	80	80.5
1921	60	80.5
1923	63	80.5
1924	108	80.5
1925	70	80.5
1927	82	80.5
1928	89	80.5
1929	92	80.5
1930	81	85.9
1932	88	85.9
1933	77	85.9
1934	92	85.9
1935	94	85.9
1936	94	85.9
1937	75	85.9
1940	80	71.4
1941	55	71.4
1942	80	71.4
1945	87	71.4
1946	73	71.4
1947	75	71.4
1948	42	71.4
1949	79	71.4
1950	72	70.7
1951	88	70.7
1952	91	70.7
1953	63	70.7
1954	53	70.7
1955	60	70.7
1956	58	70.7
1957	75	70.7
1958	78	70.7
1959	69	70.7
1960	98	73.3
1961	80	73.3
1962	62	73.3
1963	67	73.3
1964	54	73.3
1965	59	73.3
1966	69	73.3
1967	95	73.3
1968	71	73.3
1969	78	73.3
1970	93	73.6
1971	65	73.6
1972	79	73.6
1973	85	73.6
1974	86	73.6
1975	75	73.6
1976	54	73.6
1977	77	73.6
1978	49	73.6
1979	73	73.6
1980	72	73.7
1981	84	73.7
1982	61	73.7
1983	56	73.7
1984	77	73.7
1988	92	73.7
1990	78	80.4
1991	95	80.4
1992	99	80.4
1993	46	80.4
1994	92	80.4
1995	69	80.4
1996	82	80.4
1997	75	80.4
1998	78	80.4
1999	90	80.4
2000	84	90.6
2001	102	90.6
2002	95	90.6
2003	101	90.6
2004	93	90.6
2005	77	90.6
2006	91	90.6
2007	85	90.6
2008	91	90.6
2009	87	90.6
2010	70	90.1
2011	71	90.1
2012	98	90.1
2013	81	90.1
2014	105	90.1
2015	101	90.1
2016	92	90.1
2017	101	90.1
2018	98	90.1
2019	84	90.1
2020	102	94.9
2021	102	94.9
2022	84	94.9
2023	86	94.9
2024	97	94.9
2025	93	94.9
2026	100	94.9

For each year, a bar from the first to the last day at Yreka meeting 30 C (86 F).

First to last qualifying date each year at Yreka
Year	First date	Last date
1893	1893-06-04	1893-09-03
1894	1894-05-06	1894-10-15
1895	1895-05-11	1895-09-30
1896	1896-05-26	1896-09-07
1897	1897-05-12	1897-09-25
1898	1898-05-09	1898-09-18
1899	1899-06-10	1899-09-28
1900	1900-06-05	1900-09-03
1901	1901-06-17	1901-09-19
1914	1914-05-29	1914-09-24
1915	1915-06-05	1915-10-06
1916	1916-06-07	1916-09-29
1917	1917-06-08	1917-10-10
1918	1918-05-01	1918-10-13
1919	1919-04-29	1919-09-27
1920	1920-05-07	1920-09-29
1921	1921-06-05	1921-10-10
1923	1923-05-08	1923-09-19
1924	1924-05-01	1924-09-30
1925	1925-06-18	1925-09-22
1927	1927-04-24	1927-10-20
1928	1928-05-07	1928-10-23
1929	1929-05-15	1929-09-19
1930	1930-06-05	1930-10-05
1932	1932-05-12	1932-10-05
1933	1933-05-28	1933-10-10
1934	1934-04-11	1934-10-11
1935	1935-05-22	1935-10-01
1936	1936-05-09	1936-10-09
1937	1937-05-23	1937-09-26
1940	1940-05-09	1940-10-20
1941	1941-05-21	1941-09-27
1942	1942-05-08	1942-10-10
1945	1945-05-02	1945-10-09
1946	1946-04-25	1946-09-30
1947	1947-04-14	1947-10-05
1948	1948-06-03	1948-09-14
1949	1949-05-11	1949-09-23
1950	1950-05-27	1950-09-07
1951	1951-05-23	1951-09-26
1952	1952-05-24	1952-10-12
1953	1953-06-18	1953-10-08
1954	1954-05-10	1954-09-28
1955	1955-05-20	1955-10-17
1956	1956-05-17	1956-09-18
1957	1957-05-28	1957-09-25
1958	1958-05-10	1958-10-15
1959	1959-05-13	1959-09-13
1960	1960-06-02	1960-10-05
1961	1961-05-20	1961-10-06
1962	1962-06-09	1962-09-27
1963	1963-05-18	1963-10-03
1964	1964-06-23	1964-10-07
1965	1965-05-28	1965-10-09
1966	1966-05-03	1966-10-02
1967	1967-05-17	1967-09-29
1968	1968-06-02	1968-09-28
1969	1969-05-07	1969-09-27
1970	1970-05-04	1970-10-05
1971	1971-06-21	1971-10-10
1972	1972-05-13	1972-10-04
1973	1973-05-13	1973-09-30
1974	1974-05-26	1974-10-02
1975	1975-05-14	1975-10-01
1976	1976-05-13	1976-10-01
1977	1977-06-01	1977-09-14
1978	1978-06-04	1978-09-27
1979	1979-05-20	1979-10-06
1980	1980-05-19	1980-10-08
1981	1981-05-01	1981-09-19
1982	1982-05-24	1982-09-10
1983	1983-05-21	1983-09-18
1984	1984-05-28	1984-09-19
1988	1988-05-12	1988-10-10
1990	1990-04-15	1990-10-01
1991	1991-06-02	1991-10-16
1992	1992-05-04	1992-10-13
1993	1993-06-14	1993-10-04
1994	1994-05-11	1994-09-28
1995	1995-05-29	1995-09-24
1996	1996-05-12	1996-10-10
1997	1997-05-10	1997-09-30
1998	1998-06-19	1998-10-01
1999	1999-05-24	1999-10-01
2000	2000-04-04	2000-10-01
2001	2001-05-08	2001-10-05
2002	2002-05-30	2002-10-08
2003	2003-05-22	2003-10-22
2004	2004-04-27	2004-10-05
2005	2005-05-26	2005-10-01
2006	2006-05-15	2006-09-30
2007	2007-05-09	2007-09-13
2008	2008-05-16	2008-10-01
2009	2009-04-21	2009-09-29
2010	2010-06-14	2010-10-03
2011	2011-06-21	2011-09-30
2012	2012-04-23	2012-10-03
2013	2013-05-11	2013-09-16
2014	2014-05-01	2014-10-08
2015	2015-05-03	2015-10-16
2016	2016-04-08	2016-09-30
2017	2017-05-04	2017-09-29
2018	2018-04-26	2018-09-29
2019	2019-05-12	2019-09-27
2020	2020-05-09	2020-10-04
2021	2021-04-30	2021-10-05
2022	2022-05-25	2022-10-09
2023	2023-04-28	2023-10-09
2024	2024-05-14	2024-10-08
2025	2025-05-28	2025-09-28
2026	2026-05-07	2026-10-10

Every Fixed Threshold

Fixed thresholds at Yreka
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	111	108	1924	100
35 C (95 F): Days	111	61	2021	41
40 C (104 F): Days	61	14	1925	1
90 F (32.2 C): Days	111	86	2017	74
100 F (37.8 C): Days	102	37	2021	7
110 F (43.3 C): Days	4	3	1925	2
0 C (32 F): Ice days (max	78	14	1937	5
0 C (32 F): Frost days (min	111	203	1917	82
-10 C (14 F): Days with min	93	38	1937	4
-20 C (-4 F): Days with min	10	5	1937	1
20 C (68 F): Tropical nights (min	21	36	1915	1
25 C (77 F): Days with min	1	6	1915	6
10 mm (0.39 in): Days with 10 mm or more rain	102	26	1983	6
25 mm (0.98 in): Days with 25 mm or more rain	88	8	1970	1
50 mm (1.97 in): Days with 50 mm or more rain	31	3	1964	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1894	1
10 cm (3.9 in): Days with 10 cm or more snowfall	47	8	1950	2
25 cm (9.8 in): Days with 25 cm or more snowfall	12	2	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Yreka threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Yreka Threshold Days by Year (USC00049866)

Key Facts for Yreka Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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