Antioch Threshold Days by Year (USC00110203)

18 fixed thresholds counted per year at Antioch (USC00110203): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Antioch Thresholds

Antioch: days with a maximum temperature at or above 30 C (86 F) in 74 years, most in 1921 with 66.
Antioch: days with a maximum temperature at or below 0 C (32 F) in 74 years, most in 1912 with 76.
Antioch: nights with a minimum temperature at or below 0 C (32 F) in 74 years, most in 1976 with 176.
Antioch: nights with a minimum temperature at or below -10 C (14 F) in 74 years, most in 1976 with 78.
18 fixed thresholds have at least one qualifying day at Antioch.

Days at or above 30 C (86 F)

74 years with a qualifying day

Days per year at Antioch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 1921.

Days at or above 30 C (86 F) per year at Antioch
Year	Days	Decade average
1902	14	31.6
1903	20	31.6
1904	25	31.6
1906	49	31.6
1907	34	31.6
1908	48	31.6
1909	31	31.6
1910	49	38.8
1911	53	38.8
1912	30	38.8
1913	46	38.8
1914	47	38.8
1915	16	38.8
1917	22	38.8
1918	30	38.8
1919	56	38.8
1920	42	54
1921	66	54
1942	30	35.3
1943	40	35.3
1944	45	35.3
1945	22	35.3
1946	32	35.3
1947	41	35.3
1948	39	35.3
1949	33	35.3
1950	10	29.7
1951	9	29.7
1952	38	29.7
1953	37	29.7
1954	37	29.7
1955	50	29.7
1956	19	29.7
1957	25	29.7
1958	24	29.7
1959	48	29.7
1960	29	32
1961	51	32
1962	28	32
1963	48	32
1964	40	32
1965	25	32
1966	37	32
1967	16	32
1968	24	32
1969	22	32
1970	34	24.7
1971	33	24.7
1972	18	24.7
1973	24	24.7
1974	14	24.7
1975	31	24.7
1976	27	24.7
1977	28	24.7
1978	23	24.7
1979	15	24.7
1980	21	22.7
1981	6	22.7
1982	6	22.7
1983	57	22.7
1984	31	22.7
1985	25	22.7
1986	13	22.7
1994	22	25.8
1997	18	25.8
1998	26	25.8
1999	37	25.8
2000	16	25.7
2001	35	25.7
2002	43	25.7
2003	19	25.7
2004	11	25.7
2006	23	25.7
2007	33	25.7

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

First to last qualifying date each year at Antioch
Year	First date	Last date
1902	1902-04-21	1902-08-30
1903	1903-05-18	1903-08-24
1904	1904-05-25	1904-09-19
1906	1906-05-16	1906-09-18
1907	1907-03-21	1907-09-19
1908	1908-05-25	1908-09-26
1909	1909-05-05	1909-09-20
1910	1910-06-15	1910-08-24
1911	1911-05-15	1911-09-02
1912	1912-05-22	1912-09-10
1913	1913-06-06	1913-09-07
1914	1914-05-25	1914-09-21
1915	1915-04-23	1915-09-14
1917	1917-05-17	1917-09-01
1918	1918-05-31	1918-08-27
1919	1919-05-28	1919-09-20
1920	1920-06-08	1920-09-26
1921	1921-05-20	1921-09-04
1942	1942-04-29	1942-09-18
1943	1943-06-03	1943-08-31
1944	1944-05-26	1944-09-03
1945	1945-06-23	1945-09-07
1946	1946-06-16	1946-09-27
1947	1947-06-09	1947-09-20
1948	1948-06-02	1948-09-19
1949	1949-05-03	1949-08-26
1950	1950-05-24	1950-08-16
1951	1951-06-01	1951-09-12
1952	1952-05-04	1952-09-28
1953	1953-05-09	1953-09-29
1954	1954-06-07	1954-10-03
1955	1955-05-03	1955-09-19
1956	1956-05-22	1956-08-27
1957	1957-06-16	1957-09-01
1958	1958-05-16	1958-09-09
1959	1959-05-02	1959-09-21
1960	1960-07-08	1960-09-08
1961	1961-06-05	1961-09-11
1962	1962-05-16	1962-09-12
1963	1963-05-08	1963-10-06
1964	1964-05-18	1964-09-10
1965	1965-06-06	1965-09-09
1966	1966-06-20	1966-09-11
1967	1967-05-26	1967-10-04
1968	1968-06-06	1968-08-24
1969	1969-05-27	1969-08-31
1970	1970-05-22	1970-09-22
1971	1971-06-05	1971-10-03
1972	1972-05-21	1972-08-31
1973	1973-06-09	1973-09-04
1974	1974-07-02	1974-08-27
1975	1975-05-19	1975-10-14
1976	1976-06-08	1976-09-09
1977	1977-05-14	1977-09-01
1978	1978-05-27	1978-09-20
1979	1979-06-04	1979-08-10
1980	1980-04-23	1980-08-29
1981	1981-06-06	1981-07-13
1982	1982-07-06	1982-08-04
1983	1983-06-12	1983-09-11
1984	1984-05-19	1984-09-20
1985	1985-04-19	1985-09-09
1986	1986-06-01	1986-07-28
1994	1994-05-23	1994-09-16
1997	1997-06-21	1997-10-06
1998	1998-05-18	1998-09-26
1999	1999-05-29	1999-09-06
2000	2000-05-07	2000-09-20
2001	2001-05-08	2001-09-08
2002	2002-04-16	2002-09-11
2003	2003-06-24	2003-09-09
2004	2004-06-08	2004-09-16
2006	2006-05-29	2006-08-24
2007	2007-05-15	2007-10-08

Every Fixed Threshold

Fixed thresholds at Antioch
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	74	66	1921	33
35 C (95 F): Days	46	16	1913	4
40 C (104 F): Days	1	1	1911	1
90 F (32.2 C): Days	71	45	1921	9
100 F (37.8 C): Days	9	4	1911	1
0 C (32 F): Ice days (max	74	76	1912	66
0 C (32 F): Frost days (min	74	176	1976	137
-10 C (14 F): Days with min	74	78	1976	41
-20 C (-4 F): Days with min	71	31	1977	7
-30 C (-22 F): Days with min	13	4	1982	2
20 C (68 F): Tropical nights (min	74	31	1949	26
25 C (77 F): Days with min	8	4	2006	4
10 mm (0.39 in): Days with 10 mm or more rain	74	43	1911	35
25 mm (0.98 in): Days with 25 mm or more rain	74	15	1960	8
50 mm (1.97 in): Days with 50 mm or more rain	53	4	1907	4
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1912	1
10 cm (3.9 in): Days with 10 cm or more snowfall	60	8	1979	6
25 cm (9.8 in): Days with 25 cm or more snowfall	10	1	1921	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Antioch 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).

Antioch Threshold Days by Year (USC00110203)

Key Facts for Antioch Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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