Arcadia Threshold Days by Year (USC00080228)

13 fixed thresholds counted per year at Arcadia (USC00080228): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arcadia Thresholds

Arcadia: days with a maximum temperature at or above 30 C (86 F) in 103 years, most in 1975 with 225.
Arcadia: days with a maximum temperature at or above 90 F (32.2 C) in 103 years, most in 1944 with 164.
Arcadia: days with a maximum temperature at or above 35 C (95 F) in 102 years, most in 1902 with 63.
Arcadia: days with 10 mm (0.39 in) or more of precipitation in 102 years, most in 1952 with 57.
13 fixed thresholds have at least one qualifying day at Arcadia.

Days at or above 30 C (86 F)

103 years with a qualifying day

Days per year at Arcadia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 225 in 1975.

Days at or above 30 C (86 F) per year at Arcadia
Year	Days	Decade average
1901	172	191.8
1902	202	191.8
1905	190	191.8
1908	200	191.8
1909	195	191.8
1910	185	189.4
1911	218	189.4
1912	189	189.4
1913	172	189.4
1914	183	189.4
1920	168	189.8
1923	183	189.8
1924	162	189.8
1925	208	189.8
1926	192	189.8
1927	216	189.8
1928	186	189.8
1929	203	189.8
1930	158	186.6
1931	172	186.6
1932	187	186.6
1933	186	186.6
1934	197	186.6
1935	210	186.6
1936	178	186.6
1937	179	186.6
1938	190	186.6
1939	209	186.6
1940	149	189.9
1941	185	189.9
1942	199	189.9
1943	171	189.9
1944	202	189.9
1945	222	189.9
1946	176	189.9
1947	181	189.9
1948	201	189.9
1949	213	189.9
1950	186	189.5
1951	196	189.5
1952	173	189.5
1953	186	189.5
1954	184	189.5
1955	205	189.5
1956	196	189.5
1957	193	189.5
1958	188	189.5
1959	188	189.5
1960	156	189.3
1961	214	189.3
1962	205	189.3
1965	207	189.3
1966	183	189.3
1967	201	189.3
1968	183	189.3
1969	165	189.3
1970	192	196.7
1971	203	196.7
1972	202	196.7
1973	220	196.7
1974	214	196.7
1975	225	196.7
1976	178	196.7
1977	185	196.7
1978	178	196.7
1979	170	196.7
1980	187	178
1981	203	178
1982	170	178
1983	177	178
1984	170	178
1985	192	178
1986	177	178
1987	158	178
1988	142	178
1989	204	178
1990	212	172.6
1991	169	172.6
1992	93	172.6
1995	175	172.6
1996	168	172.6
1997	190	172.6
1998	201	172.6
2000	165	176
2001	180	176
2003	197	176
2004	160	176
2005	157	176
2006	179	176
2007	181	176
2008	173	176
2009	192	176
2010	164	193.2
2011	188	193.2
2012	203	193.2
2013	202	193.2
2014	178	193.2
2015	212	193.2
2016	186	193.2
2017	189	193.2
2018	203	193.2
2019	207	193.2
2020	205	205

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

First to last qualifying date each year at Arcadia
Year	First date	Last date
1901	1901-03-07	1901-12-14
1902	1902-03-12	1902-12-03
1905	1905-02-06	1905-11-08
1908	1908-03-07	1908-11-11
1909	1909-02-15	1909-12-20
1910	1910-02-21	1910-10-13
1911	1911-02-12	1911-11-18
1912	1912-02-25	1912-10-24
1913	1913-01-24	1913-12-29
1914	1914-03-17	1914-10-26
1920	1920-03-12	1920-11-11
1923	1923-02-05	1923-10-31
1924	1924-03-28	1924-12-09
1925	1925-01-10	1925-12-20
1926	1926-01-05	1926-12-27
1927	1927-01-20	1927-11-30
1928	1928-02-23	1928-12-04
1929	1929-01-25	1929-11-08
1930	1930-01-28	1930-11-18
1931	1931-04-03	1931-12-21
1932	1932-02-10	1932-11-07
1933	1933-02-13	1933-10-23
1934	1934-02-25	1934-12-04
1935	1935-02-12	1935-11-16
1936	1936-01-06	1936-11-05
1937	1937-03-20	1937-11-02
1938	1938-03-05	1938-11-18
1939	1939-01-05	1939-11-12
1940	1940-03-29	1940-12-16
1941	1941-04-04	1941-12-26
1942	1942-02-16	1942-12-24
1943	1943-01-16	1943-11-08
1944	1944-02-11	1944-11-16
1945	1945-02-12	1945-12-14
1946	1946-02-14	1946-11-26
1947	1947-01-03	1947-11-24
1948	1948-02-13	1948-12-08
1949	1949-01-31	1949-10-31
1950	1950-03-05	1950-11-03
1951	1951-03-01	1951-11-15
1952	1952-01-04	1952-11-10
1953	1953-02-21	1953-11-23
1954	1954-01-21	1954-11-16
1955	1955-03-01	1955-12-06
1956	1956-02-16	1956-12-24
1957	1957-01-22	1957-11-29
1958	1958-03-03	1958-11-28
1959	1959-01-21	1959-11-06
1960	1960-03-29	1960-11-25
1961	1961-02-18	1961-12-14
1962	1962-01-22	1962-12-27
1965	1965-01-23	1965-11-11
1966	1966-01-06	1966-11-13
1967	1967-01-26	1967-12-19
1968	1968-03-11	1968-12-02
1969	1969-04-03	1969-10-23
1970	1970-03-18	1970-12-22
1971	1971-01-04	1971-12-31
1972	1972-01-10	1972-12-14
1973	1973-01-01	1973-11-28
1974	1974-01-01	1974-11-20
1975	1975-01-10	1975-11-07
1976	1976-02-17	1976-10-25
1977	1977-02-27	1977-10-12
1978	1978-03-14	1978-12-08
1979	1979-04-02	1979-11-11
1980	1980-02-24	1980-10-30
1981	1981-03-29	1981-12-28
1982	1982-02-10	1982-10-15
1983	1983-03-06	1983-12-05
1984	1984-02-15	1984-11-03
1985	1985-02-01	1985-11-21
1986	1986-03-13	1986-11-10
1987	1987-04-22	1987-11-29
1988	1988-02-23	1988-11-20
1989	1989-02-06	1989-11-15
1990	1990-01-20	1990-11-30
1991	1991-03-26	1991-12-02
1992	1992-04-12	1992-09-25
1995	1995-03-08	1995-11-04
1996	1996-03-07	1996-11-07
1997	1997-02-13	1997-11-02
1998	1998-03-01	1998-12-05
2000	2000-03-18	2000-12-14
2001	2001-02-10	2001-12-16
2003	2003-03-04	2003-11-20
2004	2004-03-06	2004-11-04
2005	2005-03-22	2005-10-23
2006	2006-03-12	2006-11-02
2007	2007-01-07	2007-12-03
2008	2008-02-05	2008-11-15
2009	2009-03-11	2009-12-15
2010	2010-04-24	2010-11-04
2011	2011-03-10	2011-11-22
2012	2012-02-25	2012-10-25
2013	2013-01-10	2013-12-25
2014	2014-02-03	2014-10-31
2015	2015-01-04	2015-12-31
2016	2016-01-01	2016-12-25
2017	2017-01-03	2017-10-24
2018	2018-02-09	2018-11-15
2019	2019-02-19	2019-12-12
2020	2020-02-13	2020-11-16

Every Fixed Threshold

Fixed thresholds at Arcadia
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	103	225	1975	205
35 C (95 F): Days	102	63	1902	19
40 C (104 F): Days	1	1	1985	1
90 F (32.2 C): Days	103	164	1944	128
100 F (37.8 C): Days	19	4	1927	1
0 C (32 F): Frost days (min	89	24	2010	1
20 C (68 F): Tropical nights (min	100	202	1912	170
25 C (77 F): Days with min	41	9	1989	2
10 mm (0.39 in): Days with 10 mm or more rain	102	57	1952	35
25 mm (0.98 in): Days with 25 mm or more rain	102	29	1959	16
50 mm (1.97 in): Days with 50 mm or more rain	98	12	1982	6
100 mm (3.94 in): Days with 100 mm or more rain	35	3	1949	2
200 mm (7.87 in): Days with 200 mm or more rain	1	0	n/a	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Arcadia 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Arcadia Threshold Days by Year (USC00080228)

Key Facts for Arcadia Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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