Boonton 1 SE Threshold Days by Year (USC00280907)

18 fixed thresholds counted per year at Boonton 1 SE (USC00280907): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boonton 1 SE Thresholds

Boonton 1 SE: days with 10 mm (0.39 in) or more of precipitation in 117 years, most in 2018 with 68.
Boonton 1 SE: days with 25 mm (0.98 in) or more of precipitation in 117 years, most in 1983 with 25.
Boonton 1 SE: days with a maximum temperature at or above 30 C (86 F) in 106 years, most in 2010 with 69.
Boonton 1 SE: days with a maximum temperature at or above 90 F (32.2 C) in 106 years, most in 1988 with 36.
18 fixed thresholds have at least one qualifying day at Boonton 1 SE.

Days at or above 30 C (86 F)

106 years with a qualifying day

Days per year at Boonton 1 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 69 in 2010.

Days at or above 30 C (86 F) per year at Boonton 1 SE
Year	Days	Decade average
1895	53	46.3
1896	45	46.3
1897	38	46.3
1898	49	46.3
1915	36	30.8
1916	33	30.8
1917	29	30.8
1918	30	30.8
1919	26	30.8
1920	10	26
1921	40	26
1922	18	26
1923	31	26
1924	21	26
1925	33	26
1926	22	26
1927	15	26
1928	30	26
1929	40	26
1930	36	41.6
1931	50	41.6
1932	65	41.6
1933	39	41.6
1934	26	41.6
1936	39	41.6
1937	39	41.6
1938	34	41.6
1939	46	41.6
1940	23	34.6
1941	39	34.6
1942	26	34.6
1943	44	34.6
1944	54	34.6
1945	26	34.6
1946	23	34.6
1947	35	34.6
1948	30	34.6
1949	46	34.6
1950	19	34.7
1951	32	34.7
1952	38	34.7
1953	45	34.7
1954	30	34.7
1955	47	34.7
1956	23	34.7
1957	39	34.7
1958	25	34.7
1959	49	34.7
1960	21	26.7
1961	34	26.7
1962	13	26.7
1963	18	26.7
1964	30	26.7
1965	32	26.7
1966	42	26.7
1967	17	26.7
1968	30	26.7
1969	30	26.7
1970	32	25.7
1971	26	25.7
1972	26	25.7
1973	21	25.7
1974	20	25.7
1975	26	25.7
1976	28	25.7
1977	29	25.7
1978	23	25.7
1979	26	25.7
1980	48	29.9
1981	19	29.9
1982	16	29.9
1983	47	29.9
1984	25	29.9
1985	18	29.9
1986	18	29.9
1987	29	29.9
1988	52	29.9
1989	27	29.9
1990	31	35.9
1991	58	35.9
1992	21	35.9
1993	46	35.9
1994	32	35.9
1995	36	35.9
1996	27	35.9
2006	40	39.8
2007	48	39.8
2008	40	39.8
2009	31	39.8
2010	69	48.2
2011	46	48.2
2012	52	48.2
2013	33	48.2
2014	40	48.2
2015	58	48.2
2016	60	48.2
2017	33	48.2
2018	51	48.2
2019	40	48.2
2020	46	40
2021	38	40
2022	44	40
2023	33	40
2024	42	40
2025	42	40
2026	35	40

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

First to last qualifying date each year at Boonton 1 SE
Year	First date	Last date
1895	1895-05-04	1895-09-26
1896	1896-04-16	1896-09-11
1897	1897-06-24	1897-10-16
1898	1898-05-20	1898-09-18
1915	1915-04-25	1915-09-17
1916	1916-07-06	1916-09-14
1917	1917-06-21	1917-08-29
1918	1918-05-07	1918-08-31
1919	1919-05-05	1919-09-08
1920	1920-06-11	1920-09-26
1921	1921-05-21	1921-09-29
1922	1922-06-07	1922-10-05
1923	1923-06-02	1923-09-25
1924	1924-06-18	1924-09-02
1925	1925-06-01	1925-09-13
1926	1926-07-01	1926-09-26
1927	1927-04-21	1927-10-02
1928	1928-06-15	1928-10-13
1929	1929-06-01	1929-09-11
1930	1930-05-06	1930-09-27
1931	1931-05-21	1931-10-04
1932	1932-05-17	1932-09-24
1933	1933-05-21	1933-09-26
1934	1934-05-06	1934-09-11
1936	1936-05-09	1936-09-13
1937	1937-06-01	1937-09-05
1938	1938-04-29	1938-10-18
1939	1939-04-26	1939-10-11
1940	1940-06-05	1940-08-15
1941	1941-04-21	1941-10-07
1942	1942-04-27	1942-09-18
1943	1943-06-04	1943-09-08
1944	1944-05-06	1944-09-04
1945	1945-06-15	1945-09-09
1946	1946-06-25	1946-10-08
1947	1947-05-30	1947-09-15
1948	1948-06-25	1948-09-19
1949	1949-05-06	1949-10-11
1950	1950-06-08	1950-09-01
1951	1951-05-17	1951-09-15
1952	1952-06-10	1952-09-14
1953	1953-05-11	1953-09-06
1954	1954-06-02	1954-09-08
1955	1955-05-06	1955-08-23
1956	1956-05-14	1956-10-16
1957	1957-04-29	1957-09-14
1958	1958-07-02	1958-09-17
1959	1959-05-13	1959-10-07
1960	1960-04-26	1960-09-02
1961	1961-06-13	1961-09-25
1962	1962-04-28	1962-08-31
1963	1963-06-25	1963-08-24
1964	1964-05-24	1964-09-24
1965	1965-05-11	1965-09-24
1966	1966-06-06	1966-09-03
1967	1967-06-05	1967-09-18
1968	1968-06-07	1968-09-23
1969	1969-05-30	1969-09-15
1970	1970-05-11	1970-09-27
1971	1971-05-19	1971-09-10
1972	1972-05-25	1972-09-18
1973	1973-06-06	1973-09-06
1974	1974-05-18	1974-08-25
1975	1975-05-21	1975-08-26
1976	1976-04-18	1976-09-15
1977	1977-04-13	1977-09-04
1978	1978-05-21	1978-08-30
1979	1979-05-10	1979-09-05
1980	1980-05-24	1980-09-23
1981	1981-06-17	1981-09-15
1982	1982-07-09	1982-09-13
1983	1983-06-13	1983-09-22
1984	1984-06-08	1984-09-26
1985	1985-04-23	1985-09-09
1986	1986-05-20	1986-08-09
1987	1987-05-30	1987-09-11
1988	1988-05-30	1988-08-27
1989	1989-05-19	1989-09-12
1990	1990-04-28	1990-10-13
1991	1991-05-13	1991-09-18
1992	1992-05-22	1992-09-10
1993	1993-05-10	1993-09-16
1994	1994-05-23	1994-09-14
1995	1995-06-08	1995-09-08
1996	1996-05-20	1996-09-11
2006	2006-05-29	2006-08-24
2007	2007-05-26	2007-10-09
2008	2008-06-08	2008-09-15
2009	2009-04-26	2009-08-27
2010	2010-04-08	2010-09-23
2011	2011-05-27	2011-08-27
2012	2012-04-17	2012-09-09
2013	2013-05-22	2013-09-12
2014	2014-05-13	2014-09-07
2015	2015-05-09	2015-09-18
2016	2016-05-26	2016-09-24
2017	2017-05-18	2017-09-28
2018	2018-05-04	2018-09-17
2019	2019-05-27	2019-10-03
2020	2020-06-07	2020-08-29
2021	2021-05-20	2021-08-31
2022	2022-05-22	2022-09-05
2023	2023-04-15	2023-09-10
2024	2024-04-30	2024-08-29
2025	2025-06-06	2025-08-18
2026	2026-04-17	2026-09-04

Every Fixed Threshold

Fixed thresholds at Boonton 1 SE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	106	69	2010	35
35 C (95 F): Days	68	11	1953	4
40 C (104 F): Days	1	1	1953	1
90 F (32.2 C): Days	106	36	1988	14
100 F (37.8 C): Days	11	3	1936	1
0 C (32 F): Ice days (max	106	43	1989	27
0 C (32 F): Frost days (min	106	173	1926	80
-10 C (14 F): Days with min	106	50	1917	21
-20 C (-4 F): Days with min	40	9	1961	2
20 C (68 F): Tropical nights (min	105	38	2021	18
25 C (77 F): Days with min	14	2	2011	1
10 mm (0.39 in): Days with 10 mm or more rain	117	68	2018	31
25 mm (0.98 in): Days with 25 mm or more rain	117	25	1983	15
50 mm (1.97 in): Days with 50 mm or more rain	103	8	1897	4
100 mm (3.94 in): Days with 100 mm or more rain	10	1	1909	1
10 cm (3.9 in): Days with 10 cm or more snowfall	60	9	1967	2
25 cm (9.8 in): Days with 25 cm or more snowfall	13	2	1966	2
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1978	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.

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Data for Boonton 1 SE 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).

Boonton 1 SE Threshold Days by Year (USC00280907)

Key Facts for Boonton 1 SE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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