Trenton Threshold Days by Year (USC00238444)

20 fixed thresholds counted per year at Trenton (USC00238444): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trenton Thresholds

Trenton: days with a maximum temperature at or above 30 C (86 F) in 113 years, most in 1936 with 103.
Trenton: days with a maximum temperature at or above 90 F (32.2 C) in 113 years, most in 1936 with 90.
Trenton: days with a maximum temperature at or below 0 C (32 F) in 113 years, most in 1978 with 59.
Trenton: nights with a minimum temperature at or below 0 C (32 F) in 113 years, most in 1976 with 151.
20 fixed thresholds have at least one qualifying day at Trenton.

Days at or above 30 C (86 F)

113 years with a qualifying day

Days per year at Trenton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 1936.

Days at or above 30 C (86 F) per year at Trenton
Year	Days	Decade average
1896	54	58
1897	62	58
1900	69	51.2
1901	79	51.2
1902	36	51.2
1903	33	51.2
1904	25	51.2
1905	44	51.2
1906	62	51.2
1907	56	51.2
1908	46	51.2
1909	62	51.2
1910	52	62.1
1911	83	62.1
1912	69	62.1
1913	84	62.1
1914	83	62.1
1915	20	62.1
1916	61	62.1
1917	38	62.1
1918	72	62.1
1919	59	62.1
1920	45	50.8
1921	73	50.8
1922	58	50.8
1923	47	50.8
1924	16	50.8
1925	54	50.8
1926	51	50.8
1927	46	50.8
1928	59	50.8
1929	59	50.8
1930	73	88.8
1931	92	88.8
1932	71	88.8
1933	94	88.8
1934	99	88.8
1935	62	88.8
1936	103	88.8
1937	91	88.8
1938	101	88.8
1939	102	88.8
1940	82	72.4
1941	89	72.4
1942	68	72.4
1943	77	72.4
1944	80	72.4
1945	57	72.4
1946	62	72.4
1947	76	72.4
1948	70	72.4
1949	63	72.4
1950	44	70.6
1951	46	70.6
1952	79	70.6
1953	103	70.6
1954	97	70.6
1955	81	70.6
1957	61	70.6
1958	53	70.6
1959	71	70.6
1960	59	49.3
1962	49	49.3
1963	74	49.3
1964	56	49.3
1965	29	49.3
1966	40	49.3
1967	33	49.3
1968	49	49.3
1969	55	49.3
1970	60	62.2
1972	63	62.2
1973	60	62.2
1974	52	62.2
1975	77	62.2
1976	70	62.2
1977	58	62.2
1978	63	62.2
1979	57	62.2
1980	83	61.3
1981	45	61.3
1982	37	61.3
1983	77	61.3
1984	68	61.3
1985	58	61.3
1998	67	66
1999	65	66
2000	69	62.2
2001	65	62.2
2002	76	62.2
2003	63	62.2
2004	36	62.2
2005	78	62.2
2006	76	62.2
2007	86	62.2
2008	40	62.2
2009	33	62.2
2010	81	77.3
2011	79	77.3
2012	91	77.3
2013	78	77.3
2014	55	77.3
2015	61	77.3
2016	75	77.3
2017	76	77.3
2018	100	77.3
2020	59	59.4
2021	60	59.4
2022	55	59.4
2023	57	59.4
2024	52	59.4
2025	58	59.4
2026	75	59.4

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

First to last qualifying date each year at Trenton
Year	First date	Last date
1896	1896-05-07	1896-09-09
1897	1897-06-12	1897-10-04
1900	1900-05-13	1900-09-10
1901	1901-06-02	1901-09-08
1902	1902-04-20	1902-08-20
1903	1903-06-18	1903-08-27
1904	1904-06-02	1904-09-28
1905	1905-06-04	1905-09-02
1906	1906-05-17	1906-09-17
1907	1907-05-23	1907-09-19
1908	1908-05-20	1908-09-20
1909	1909-05-05	1909-09-13
1910	1910-04-29	1910-09-04
1911	1911-05-10	1911-09-27
1912	1912-05-20	1912-09-10
1913	1913-05-28	1913-09-10
1914	1914-04-26	1914-09-06
1915	1915-04-28	1915-09-13
1916	1916-05-25	1916-10-08
1917	1917-05-19	1917-09-07
1918	1918-05-09	1918-08-29
1919	1919-05-30	1919-09-15
1920	1920-05-22	1920-09-14
1921	1921-05-20	1921-09-16
1922	1922-05-11	1922-09-08
1923	1923-05-31	1923-08-20
1924	1924-06-19	1924-08-30
1925	1925-05-22	1925-09-19
1926	1926-05-24	1926-09-18
1927	1927-05-23	1927-10-27
1928	1928-05-03	1928-10-12
1929	1929-03-24	1929-09-28
1930	1930-04-10	1930-10-10
1931	1931-04-08	1931-10-10
1932	1932-05-13	1932-09-19
1933	1933-05-18	1933-09-26
1934	1934-05-06	1934-09-25
1935	1935-06-10	1935-09-24
1936	1936-04-20	1936-09-22
1937	1937-05-20	1937-10-29
1938	1938-05-18	1938-10-16
1939	1939-05-16	1939-10-25
1940	1940-05-05	1940-10-25
1941	1941-05-14	1941-09-23
1942	1942-05-26	1942-09-30
1943	1943-04-29	1943-10-10
1944	1944-05-14	1944-09-20
1945	1945-05-20	1945-09-23
1946	1946-06-07	1946-10-08
1947	1947-05-14	1947-10-20
1948	1948-04-18	1948-09-22
1949	1949-04-25	1949-10-08
1950	1950-05-04	1950-10-31
1951	1951-05-31	1951-10-01
1952	1952-04-29	1952-10-01
1953	1953-05-24	1953-10-18
1954	1954-04-06	1954-10-09
1955	1955-05-06	1955-09-21
1957	1957-06-05	1957-09-02
1958	1958-05-12	1958-09-24
1959	1959-05-01	1959-09-21
1960	1960-04-22	1960-09-08
1962	1962-05-05	1962-10-11
1963	1963-05-08	1963-10-19
1964	1964-05-16	1964-09-09
1965	1965-04-22	1965-09-09
1966	1966-05-07	1966-09-03
1967	1967-05-23	1967-10-04
1968	1968-05-02	1968-09-02
1969	1969-06-05	1969-10-03
1970	1970-04-28	1970-09-20
1972	1972-04-14	1972-09-24
1973	1973-06-08	1973-09-21
1974	1974-05-16	1974-09-18
1975	1975-04-17	1975-10-13
1976	1976-06-08	1976-10-02
1977	1977-05-24	1977-09-08
1978	1978-05-26	1978-10-21
1979	1979-05-30	1979-10-21
1980	1980-04-21	1980-10-08
1981	1981-04-02	1981-10-01
1982	1982-06-28	1982-09-02
1983	1983-06-13	1983-10-02
1984	1984-05-18	1984-09-24
1985	1985-05-26	1985-09-19
1998	1998-05-16	1998-09-29
1999	1999-05-30	1999-10-15
2000	2000-05-07	2000-09-23
2001	2001-04-28	2001-09-13
2002	2002-04-16	2002-09-30
2003	2003-05-11	2003-09-12
2004	2004-04-17	2004-09-15
2005	2005-05-11	2005-10-05
2006	2006-04-13	2006-10-03
2007	2007-04-29	2007-10-07
2008	2008-05-26	2008-09-03
2009	2009-05-24	2009-08-26
2010	2010-05-23	2010-10-09
2011	2011-04-04	2011-10-08
2012	2012-04-03	2012-09-13
2013	2013-05-01	2013-10-05
2014	2014-05-07	2014-10-01
2015	2015-05-04	2015-09-29
2016	2016-05-26	2016-10-18
2017	2017-05-09	2017-10-03
2018	2018-05-06	2018-10-04
2020	2020-06-03	2020-09-27
2021	2021-05-27	2021-09-29
2022	2022-05-10	2022-09-21
2023	2023-05-08	2023-10-03
2024	2024-04-15	2024-10-13
2025	2025-05-15	2025-10-05
2026	2026-03-21	2026-10-14

Every Fixed Threshold

Fixed thresholds at Trenton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	113	103	1936	75
35 C (95 F): Days	101	70	1936	12
40 C (104 F): Days	24	42	1936	1
45 C (113 F): Days	2	2	1936	2
90 F (32.2 C): Days	113	90	1936	40
100 F (37.8 C): Days	50	53	1936	2
110 F (43.3 C): Days	4	11	1934	1
0 C (32 F): Ice days (max	113	59	1978	17
0 C (32 F): Frost days (min	113	151	1976	63
-10 C (14 F): Days with min	113	72	1978	21
-20 C (-4 F): Days with min	95	24	1936	2
-30 C (-22 F): Days with min	8	2	1979	1
20 C (68 F): Tropical nights (min	113	70	1921	50
25 C (77 F): Days with min	65	19	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	108	45	2008	32
25 mm (0.98 in): Days with 25 mm or more rain	108	19	2009	9
50 mm (1.97 in): Days with 50 mm or more rain	93	6	1922	1
100 mm (3.94 in): Days with 100 mm or more rain	19	2	1919	1
10 cm (3.9 in): Days with 10 cm or more snowfall	61	5	1948	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1918	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Trenton 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).

Trenton Threshold Days by Year (USC00238444)

Key Facts for Trenton Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related