Trenton Dam 1N Threshold Days by Year (USC00258628)

19 fixed thresholds counted per year at Trenton Dam 1N (USC00258628): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trenton Dam 1N Thresholds

Trenton Dam 1N: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1962 with 24.
Trenton Dam 1N: days with a maximum temperature at or above 30 C (86 F) in 69 years, most in 2012 with 120.
Trenton Dam 1N: days with a maximum temperature at or above 35 C (95 F) in 69 years, most in 2012 with 66.
Trenton Dam 1N: days with a maximum temperature at or above 90 F (32.2 C) in 69 years, most in 2012 with 90.
19 fixed thresholds have at least one qualifying day at Trenton Dam 1N.

Days at or above 30 C (86 F)

69 years with a qualifying day

Days per year at Trenton Dam 1N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 120 in 2012.

Days at or above 30 C (86 F) per year at Trenton Dam 1N
Year	Days	Decade average
1949	73	73
1950	47	86.7
1952	100	86.7
1953	114	86.7
1954	97	86.7
1955	92	86.7
1956	103	86.7
1957	68	86.7
1958	73	86.7
1959	86	86.7
1960	83	75.3
1961	72	75.3
1962	71	75.3
1963	109	75.3
1964	81	75.3
1965	56	75.3
1966	80	75.3
1967	59	75.3
1968	78	75.3
1969	64	75.3
1970	91	75.4
1971	74	75.4
1972	74	75.4
1973	65	75.4
1974	69	75.4
1975	80	75.4
1976	77	75.4
1979	73	75.4
1981	67	76.3
1982	54	76.3
1984	83	76.3
1985	77	76.3
1986	80	76.3
1987	85	76.3
1988	87	76.3
1989	77	76.3
1990	88	72.6
1991	77	72.6
1992	51	72.6
1993	59	72.6
1994	90	72.6
1995	75	72.6
1996	54	72.6
1997	75	72.6
1998	85	72.6
1999	72	72.6
2000	99	85.8
2001	98	85.8
2002	99	85.8
2003	93	85.8
2004	75	85.8
2005	88	85.8
2006	89	85.8
2007	86	85.8
2008	71	85.8
2009	60	85.8
2010	93	93.5
2011	87	93.5
2012	120	93.5
2013	98	93.5
2014	91	93.5
2019	72	93.5
2020	101	94.9
2021	99	94.9
2022	107	94.9
2023	71	94.9
2024	89	94.9
2025	83	94.9
2026	114	94.9

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

First to last qualifying date each year at Trenton Dam 1N
Year	First date	Last date
1949	1949-04-23	1949-09-25
1950	1950-04-22	1950-10-30
1952	1952-04-07	1952-10-26
1953	1953-04-21	1953-10-18
1954	1954-04-26	1954-10-04
1955	1955-04-27	1955-10-20
1956	1956-05-09	1956-10-13
1957	1957-06-06	1957-10-05
1958	1958-05-22	1958-10-20
1959	1959-04-07	1959-10-26
1960	1960-04-20	1960-10-08
1961	1961-04-20	1961-10-18
1962	1962-04-20	1962-10-15
1963	1963-03-29	1963-10-11
1964	1964-04-17	1964-10-17
1965	1965-04-23	1965-10-10
1966	1966-05-04	1966-10-14
1967	1967-03-30	1967-10-13
1968	1968-03-31	1968-10-30
1969	1969-05-26	1969-10-03
1970	1970-05-07	1970-10-06
1971	1971-06-13	1971-10-11
1972	1972-04-18	1972-10-03
1973	1973-05-19	1973-09-24
1974	1974-04-27	1974-10-04
1975	1975-04-24	1975-10-13
1976	1976-05-20	1976-10-12
1979	1979-05-06	1979-10-20
1981	1981-04-26	1981-09-30
1982	1982-05-04	1982-10-06
1984	1984-05-12	1984-09-23
1985	1985-04-15	1985-09-19
1986	1986-03-29	1986-09-25
1987	1987-04-18	1987-10-05
1988	1988-05-13	1988-09-27
1989	1989-03-11	1989-10-14
1990	1990-04-23	1990-10-17
1991	1991-04-07	1991-10-23
1992	1992-04-15	1992-10-22
1993	1993-05-15	1993-10-07
1994	1994-04-18	1994-10-29
1995	1995-06-07	1995-10-17
1996	1996-04-03	1996-10-14
1997	1997-05-17	1997-10-11
1998	1998-04-12	1998-09-30
1999	1999-05-10	1999-10-15
2000	2000-04-14	2000-10-02
2001	2001-04-30	2001-10-29
2002	2002-04-15	2002-10-01
2003	2003-04-03	2003-10-30
2004	2004-03-20	2004-09-19
2005	2005-05-11	2005-10-19
2006	2006-04-11	2006-10-08
2007	2007-05-14	2007-10-21
2008	2008-04-16	2008-09-29
2009	2009-04-24	2009-10-19
2010	2010-03-31	2010-10-16
2011	2011-04-03	2011-10-16
2012	2012-03-18	2012-10-04
2013	2013-04-29	2013-10-11
2014	2014-04-10	2014-10-27
2019	2019-04-21	2019-10-18
2020	2020-05-01	2020-11-07
2021	2021-04-05	2021-10-09
2022	2022-04-10	2022-10-23
2023	2023-04-12	2023-10-21
2024	2024-04-14	2024-10-11
2025	2025-03-29	2025-11-03
2026	2026-03-20	2026-10-13

Every Fixed Threshold

Fixed thresholds at Trenton Dam 1N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	69	120	2012	114
35 C (95 F): Days	69	66	2012	30
40 C (104 F): Days	48	20	2012	5
90 F (32.2 C): Days	69	90	2012	78
100 F (37.8 C): Days	64	47	2012	9
110 F (43.3 C): Days	6	2	2022	2
0 C (32 F): Ice days (max	69	49	2007	5
0 C (32 F): Frost days (min	63	182	1970	84
-10 C (14 F): Days with min	63	77	1955	18
-20 C (-4 F): Days with min	57	20	1972	2
-30 C (-22 F): Days with min	5	2	1960	1
20 C (68 F): Tropical nights (min	61	25	1955	9
25 C (77 F): Days with min	1	1	1964	1
10 mm (0.39 in): Days with 10 mm or more rain	72	24	1962	16
25 mm (0.98 in): Days with 25 mm or more rain	68	9	1962	4
50 mm (1.97 in): Days with 50 mm or more rain	34	3	1981	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1981	1
10 cm (3.9 in): Days with 10 cm or more snowfall	43	5	1993	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

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Data for Trenton Dam 1N 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 Dam 1N Threshold Days by Year (USC00258628)

Key Facts for Trenton Dam 1N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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