Trenton 1 NNE Threshold Days by Year (USC00388714)

15 fixed thresholds counted per year at Trenton 1 NNE (USC00388714): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trenton 1 NNE Thresholds

Trenton 1 NNE: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1895 with 52.
Trenton 1 NNE: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1924 with 21.
Trenton 1 NNE: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 1910 with 58.
Trenton 1 NNE: nights with a minimum temperature at or above 20 C (68 F) in 51 years, most in 1898 with 131.
15 fixed thresholds have at least one qualifying day at Trenton 1 NNE.

Days at or above 30 C (86 F)

48 years with a qualifying day

Days per year at Trenton 1 NNE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 147 in 1925.

Days at or above 30 C (86 F) per year at Trenton 1 NNE
Year	Days	Decade average
1895	90	95.2
1896	107	95.2
1897	85	95.2
1898	88	95.2
1899	106	95.2
1900	97	93.5
1901	77	93.5
1902	107	93.5
1903	93	93.5
1904	102	93.5
1905	111	93.5
1906	93	93.5
1907	96	93.5
1908	82	93.5
1909	77	93.5
1910	103	111.7
1911	138	111.7
1912	113	111.7
1913	106	111.7
1916	100	111.7
1919	110	111.7
1920	91	106.1
1921	110	106.1
1922	96	106.1
1924	93	106.1
1925	147	106.1
1927	129	106.1
1928	94	106.1
1929	89	106.1
1930	110	116
1931	112	116
1932	105	116
1933	114	116
1938	132	116
1939	123	116
1940	99	103.8
1941	127	103.8
1942	108	103.8
1943	118	103.8
1944	103	103.8
1945	106	103.8
1946	78	103.8
1947	91	103.8
1950	83	96.4
1951	92	96.4
1954	116	96.4
1955	93	96.4
1956	98	96.4

For each year, a bar from the first to the last day at Trenton 1 NNE meeting 30 C (86 F).

First to last qualifying date each year at Trenton 1 NNE
Year	First date	Last date
1895	1895-05-05	1895-10-07
1896	1896-04-16	1896-09-19
1897	1897-05-08	1897-09-27
1898	1898-05-03	1898-09-28
1899	1899-05-03	1899-09-13
1900	1900-05-07	1900-09-30
1901	1901-05-01	1901-09-16
1902	1902-04-24	1902-09-28
1903	1903-05-19	1903-10-05
1904	1904-05-09	1904-10-12
1905	1905-04-20	1905-10-03
1906	1906-04-25	1906-09-23
1907	1907-03-20	1907-09-22
1908	1908-04-10	1908-09-14
1909	1909-04-05	1909-09-15
1910	1910-03-30	1910-10-21
1911	1911-04-07	1911-10-16
1912	1912-04-26	1912-10-13
1913	1913-04-18	1913-10-06
1916	1916-04-13	1916-09-28
1919	1919-04-09	1919-10-30
1920	1920-05-12	1920-10-24
1921	1921-03-17	1921-09-29
1922	1922-04-13	1922-10-06
1924	1924-05-05	1924-10-31
1925	1925-03-08	1925-10-16
1927	1927-04-02	1927-10-28
1928	1928-03-29	1928-10-17
1929	1929-03-24	1929-11-02
1930	1930-02-25	1930-09-30
1931	1931-05-18	1931-10-25
1932	1932-04-06	1932-10-26
1933	1933-04-08	1933-10-12
1938	1938-03-22	1938-10-21
1939	1939-03-24	1939-10-27
1940	1940-04-02	1940-10-28
1941	1941-04-17	1941-10-23
1942	1942-04-18	1942-09-23
1943	1943-04-26	1943-10-23
1944	1944-04-11	1944-10-07
1945	1945-03-17	1945-09-30
1946	1946-04-03	1946-10-11
1947	1947-04-08	1947-10-19
1950	1950-04-24	1950-09-21
1951	1951-04-30	1951-10-06
1954	1954-04-08	1954-10-13
1955	1955-04-18	1955-09-30
1956	1956-04-28	1956-09-23

Every Fixed Threshold

Fixed thresholds at Trenton 1 NNE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	48	147	1925	98
35 C (95 F): Days	48	80	1925	19
40 C (104 F): Days	7	13	1925	1
90 F (32.2 C): Days	48	116	1925	72
100 F (37.8 C): Days	30	34	1925	4
0 C (32 F): Ice days (max	9	3	1899	2
0 C (32 F): Frost days (min	51	58	1910	51
-10 C (14 F): Days with min	22	5	1895	1
-20 C (-4 F): Days with min	1	1	1899	1
20 C (68 F): Tropical nights (min	51	131	1898	35
25 C (77 F): Days with min	31	19	1899	3
10 mm (0.39 in): Days with 10 mm or more rain	52	52	1895	27
25 mm (0.98 in): Days with 25 mm or more rain	52	21	1924	9
50 mm (1.97 in): Days with 50 mm or more rain	48	6	1901	1
100 mm (3.94 in): Days with 100 mm or more rain	7	1	1896	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

Data for Trenton 1 NNE 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 1 NNE Threshold Days by Year (USC00388714)

Key Facts for Trenton 1 NNE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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