Arcadia Threshold Days by Year (USC00230224)

20 fixed thresholds counted per year at Arcadia (USC00230224): 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 98 years, most in 1901 with 122.
Arcadia: days with a maximum temperature at or above 90 F (32.2 C) in 98 years, most in 1901 with 99.
Arcadia: days with a maximum temperature at or below 0 C (32 F) in 98 years, most in 1978 with 36.
Arcadia: days with 10 mm (0.39 in) or more of precipitation in 98 years, most in 1921 with 54.
20 fixed thresholds have at least one qualifying day at Arcadia.

Days at or above 30 C (86 F)

98 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 122 in 1901.

Days at or above 30 C (86 F) per year at Arcadia
Year	Days	Decade average
1897	106	99.3
1898	94	99.3
1899	98	99.3
1900	92	89.3
1901	122	89.3
1902	87	89.3
1903	94	89.3
1904	62	89.3
1905	76	89.3
1906	88	89.3
1907	78	89.3
1908	100	89.3
1909	94	89.3
1910	81	81.3
1911	106	81.3
1912	68	81.3
1913	100	81.3
1914	98	81.3
1915	56	81.3
1916	85	81.3
1917	61	81.3
1918	72	81.3
1919	86	81.3
1920	52	57.5
1921	86	57.5
1922	77	57.5
1923	63	57.5
1924	33	57.5
1925	82	57.5
1926	60	57.5
1927	41	57.5
1928	39	57.5
1929	42	57.5
1930	68	70.9
1931	74	70.9
1932	55	70.9
1933	70	70.9
1934	75	70.9
1935	49	70.9
1936	100	70.9
1937	79	70.9
1938	79	70.9
1939	60	70.9
1940	75	83.8
1941	101	83.8
1942	84	83.8
1943	92	83.8
1944	112	83.8
1945	67	83.8
1946	53	83.8
1947	96	83.8
1948	81	83.8
1949	77	83.8
1950	43	76.7
1951	44	76.7
1952	91	76.7
1953	121	76.7
1954	106	76.7
1955	70	76.7
1956	86	76.7
1957	63	76.7
1958	63	76.7
1959	80	76.7
1960	77	76.8
1961	72	76.8
1962	90	76.8
1963	77	76.8
1964	81	76.8
1966	74	76.8
1967	66	76.8
1968	76	76.8
1969	78	76.8
1970	79	74.6
1971	86	74.6
1972	86	74.6
1973	71	74.6
1974	60	74.6
1975	74	74.6
1976	62	74.6
1977	76	74.6
1978	86	74.6
1979	66	74.6
1980	112	82
1981	75	82
1982	56	82
1983	87	82
1984	79	82
1985	65	82
1986	87	82
1987	89	82
1988	88	82
1992	23	44.8
1993	54	44.8
1994	47	44.8
1995	55	44.8
2006	78	68.7
2007	83	68.7
2008	45	68.7

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
1897	1897-04-24	1897-10-18
1898	1898-05-11	1898-10-04
1899	1899-04-12	1899-10-15
1900	1900-05-12	1900-10-05
1901	1901-04-28	1901-10-23
1902	1902-04-21	1902-09-08
1903	1903-04-02	1903-10-20
1904	1904-05-21	1904-09-29
1905	1905-04-09	1905-09-27
1906	1906-04-24	1906-09-22
1907	1907-03-19	1907-10-02
1908	1908-04-20	1908-10-21
1909	1909-04-05	1909-10-04
1910	1910-03-22	1910-10-02
1911	1911-03-11	1911-10-06
1912	1912-05-02	1912-09-16
1913	1913-04-18	1913-09-11
1914	1914-05-05	1914-09-07
1915	1915-04-27	1915-09-26
1916	1916-05-06	1916-10-07
1917	1917-04-23	1917-10-15
1918	1918-05-07	1918-10-06
1919	1919-04-22	1919-10-02
1920	1920-05-22	1920-10-04
1921	1921-05-20	1921-09-29
1922	1922-04-06	1922-10-05
1923	1923-06-04	1923-09-29
1924	1924-05-04	1924-08-31
1925	1925-05-21	1925-09-20
1926	1926-05-24	1926-10-01
1927	1927-04-28	1927-10-28
1928	1928-05-02	1928-10-13
1929	1929-03-24	1929-09-04
1930	1930-04-10	1930-09-22
1931	1931-05-17	1931-10-07
1932	1932-05-14	1932-09-18
1933	1933-05-09	1933-09-30
1934	1934-05-07	1934-10-31
1935	1935-05-12	1935-10-14
1936	1936-04-14	1936-09-22
1937	1937-04-17	1937-10-29
1938	1938-04-19	1938-10-17
1939	1939-05-10	1939-10-23
1940	1940-04-01	1940-10-26
1941	1941-04-12	1941-10-06
1942	1942-04-30	1942-10-09
1943	1943-05-02	1943-09-30
1944	1944-05-12	1944-11-01
1945	1945-05-20	1945-09-23
1946	1946-04-01	1946-10-08
1947	1947-04-30	1947-10-24
1948	1948-03-20	1948-09-22
1949	1949-05-03	1949-10-09
1950	1950-05-18	1950-10-31
1951	1951-04-28	1951-10-04
1952	1952-04-28	1952-10-01
1953	1953-04-09	1953-10-03
1954	1954-04-18	1954-10-05
1955	1955-04-16	1955-09-30
1956	1956-05-05	1956-10-18
1957	1957-05-15	1957-09-20
1958	1958-05-12	1958-09-26
1959	1959-04-07	1959-10-05
1960	1960-04-23	1960-09-22
1961	1961-05-31	1961-10-11
1962	1962-02-13	1962-09-14
1963	1963-04-21	1963-10-15
1964	1964-05-17	1964-09-11
1966	1966-05-05	1966-09-04
1967	1967-03-12	1967-10-04
1968	1968-05-01	1968-09-22
1969	1969-04-16	1969-10-04
1970	1970-04-27	1970-09-21
1971	1971-04-12	1971-10-03
1972	1972-04-13	1972-09-20
1973	1973-05-10	1973-09-10
1974	1974-05-19	1974-08-27
1975	1975-05-19	1975-10-13
1976	1976-05-21	1976-10-03
1977	1977-04-16	1977-09-09
1978	1978-04-01	1978-09-27
1979	1979-05-08	1979-10-09
1980	1980-04-21	1980-10-09
1981	1981-03-31	1981-10-06
1982	1982-05-16	1982-09-14
1983	1983-06-16	1983-10-03
1984	1984-04-27	1984-09-14
1985	1985-03-28	1985-09-11
1986	1986-04-25	1986-10-02
1987	1987-04-20	1987-09-14
1988	1988-04-05	1988-09-23
1992	1992-04-15	1992-09-09
1993	1993-05-06	1993-09-02
1994	1994-04-18	1994-09-14
1995	1995-06-05	1995-09-14
2006	2006-04-13	2006-10-05
2007	2007-05-01	2007-10-09
2008	2008-05-20	2008-09-13

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	98	122	1901	45
35 C (95 F): Days	89	66	1901	6
40 C (104 F): Days	20	12	1901	2
45 C (113 F): Days	1	2	1901	2
90 F (32.2 C): Days	98	99	1901	24
100 F (37.8 C): Days	44	29	1936	8
110 F (43.3 C): Days	2	3	1901	1
0 C (32 F): Ice days (max	98	36	1978	23
0 C (32 F): Frost days (min	95	143	1943	126
-10 C (14 F): Days with min	95	48	1929	23
-20 C (-4 F): Days with min	52	10	1918	1
-30 C (-22 F): Days with min	3	3	1899	2
20 C (68 F): Tropical nights (min	95	51	1936	26
25 C (77 F): Days with min	10	6	1936	3
10 mm (0.39 in): Days with 10 mm or more rain	98	54	1921	40
25 mm (0.98 in): Days with 25 mm or more rain	98	27	1957	20
50 mm (1.97 in): Days with 50 mm or more rain	86	9	1973	4
100 mm (3.94 in): Days with 100 mm or more rain	23	2	1898	1
10 cm (3.9 in): Days with 10 cm or more snowfall	37	5	1960	2
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

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 (USC00230224)

Key Facts for Arcadia Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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