Trenton 2 Threshold Days by Year (USC00288878)

17 fixed thresholds counted per year at Trenton 2 (USC00288878): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trenton 2 Thresholds

Trenton 2: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1889 with 61.
Trenton 2: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1875 with 26.
Trenton 2: days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 1867 with 9.
Trenton 2: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 1895 with 72.
17 fixed thresholds have at least one qualifying day at Trenton 2.

Days at or above 30 C (86 F)

59 years with a qualifying day

Days per year at Trenton 2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1895.

Days at or above 30 C (86 F) per year at Trenton 2
Year	Days	Decade average
1866	23	20.8
1867	12	20.8
1868	26	20.8
1869	22	20.8
1870	46	39.6
1871	26	39.6
1872	52	39.6
1873	32	39.6
1874	31	39.6
1875	37	39.6
1876	56	39.6
1877	38	39.6
1878	37	39.6
1879	41	39.6
1880	52	36.7
1888	29	36.7
1889	29	36.7
1890	35	52
1891	44	52
1892	51	52
1893	53	52
1894	58	52
1895	72	52
1896	56	52
1897	42	52
1898	61	52
1899	48	52
1900	43	26.4
1901	35	26.4
1902	17	26.4
1903	22	26.4
1904	20	26.4
1905	30	26.4
1906	27	26.4
1907	12	26.4
1908	34	26.4
1909	24	26.4
1912	56	56
1938	56	57
1939	58	57
1940	39	52
1941	61	52
1942	45	52
1943	61	52
1944	70	52
1945	51	52
1946	40	52
1947	54	52
1948	40	52
1949	59	52
1950	43	52.8
1951	58	52.8
1952	56	52.8
1953	55	52.8
1954	51	52.8
1955	58	52.8
1956	45	52.8
1957	67	52.8
1958	42	52.8

For each year, a bar from the first to the last day at Trenton 2 meeting 30 C (86 F).

First to last qualifying date each year at Trenton 2
Year	First date	Last date
1866	1866-06-24	1866-09-03
1867	1867-06-16	1867-08-19
1868	1868-06-20	1868-09-13
1869	1869-05-12	1869-08-21
1870	1870-06-18	1870-08-29
1871	1871-05-26	1871-08-29
1872	1872-05-09	1872-09-09
1873	1873-06-17	1873-09-05
1874	1874-05-10	1874-09-11
1875	1875-05-22	1875-09-04
1876	1876-05-07	1876-09-01
1877	1877-05-17	1877-08-30
1878	1878-05-28	1878-09-02
1879	1879-05-30	1879-08-23
1880	1880-05-09	1880-09-20
1888	1888-04-29	1888-08-17
1889	1889-05-09	1889-09-06
1890	1890-06-04	1890-09-05
1891	1891-05-10	1891-09-28
1892	1892-06-01	1892-09-05
1893	1893-05-10	1893-08-28
1894	1894-05-02	1894-09-16
1895	1895-05-09	1895-09-26
1896	1896-04-16	1896-09-19
1897	1897-06-19	1897-10-16
1898	1898-05-20	1898-10-03
1899	1899-05-02	1899-09-08
1900	1900-05-14	1900-09-11
1901	1901-06-06	1901-09-15
1902	1902-06-03	1902-09-01
1903	1903-04-30	1903-08-25
1904	1904-05-24	1904-09-03
1905	1905-06-06	1905-08-24
1906	1906-05-18	1906-09-19
1907	1907-06-22	1907-09-21
1908	1908-05-26	1908-08-14
1909	1909-05-15	1909-08-25
1912	1912-05-21	1912-10-12
1938	1938-04-20	1938-10-17
1939	1939-05-06	1939-10-10
1940	1940-05-14	1940-09-21
1941	1941-04-14	1941-10-06
1942	1942-04-26	1942-09-17
1943	1943-05-07	1943-09-16
1944	1944-05-04	1944-09-05
1945	1945-03-17	1945-09-29
1946	1946-05-25	1946-10-06
1947	1947-05-13	1947-09-12
1948	1948-05-10	1948-09-19
1949	1949-05-04	1949-10-11
1950	1950-06-06	1950-09-02
1951	1951-04-29	1951-10-05
1952	1952-04-22	1952-09-13
1953	1953-05-10	1953-09-30
1954	1954-05-31	1954-10-13
1955	1955-05-05	1955-08-30
1956	1956-05-13	1956-09-23
1957	1957-04-21	1957-09-22
1958	1958-05-31	1958-09-26

Every Fixed Threshold

Fixed thresholds at Trenton 2
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	59	72	1895	42
35 C (95 F): Days	46	18	1955	8
90 F (32.2 C): Days	59	41	1955	12
100 F (37.8 C): Days	10	4	1955	2
0 C (32 F): Ice days (max	59	37	1868	30
0 C (32 F): Frost days (min	39	120	1940	98
-10 C (14 F): Days with min	39	25	1948	24
-20 C (-4 F): Days with min	4	3	1893	2
20 C (68 F): Tropical nights (min	39	67	1898	23
25 C (77 F): Days with min	10	8	1896	1
10 mm (0.39 in): Days with 10 mm or more rain	68	61	1889	44
25 mm (0.98 in): Days with 25 mm or more rain	68	26	1875	14
50 mm (1.97 in): Days with 50 mm or more rain	60	9	1867	2
100 mm (3.94 in): Days with 100 mm or more rain	11	1	1868	1
10 cm (3.9 in): Days with 10 cm or more snowfall	43	6	1868	5
25 cm (9.8 in): Days with 25 cm or more snowfall	13	2	1899	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1888	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1866.

Download the Data

Data for Trenton 2 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).

Trenton 2 Threshold Days by Year (USC00288878)

Key Facts for Trenton 2 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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