Setauket Strong Threshold Days by Year (USC00307633)

16 fixed thresholds counted per year at Setauket Strong (USC00307633): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Setauket Strong Thresholds

Setauket Strong: days with a maximum temperature at or above 30 C (86 F) in 111 years, most in 1983 with 46.
Setauket Strong: days with a maximum temperature at or below 0 C (32 F) in 111 years, most in 1904 with 49.
Setauket Strong: nights with a minimum temperature at or below 0 C (32 F) in 111 years, most in 1904 with 127.
Setauket Strong: nights with a minimum temperature at or above 20 C (68 F) in 111 years, most in 1959 with 50.
16 fixed thresholds have at least one qualifying day at Setauket Strong.

Days at or above 30 C (86 F)

111 years with a qualifying day

Days per year at Setauket Strong with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 1983.

Days at or above 30 C (86 F) per year at Setauket Strong
Year	Days	Decade average
1886	2	6.5
1887	12	6.5
1888	10	6.5
1889	2	6.5
1890	7	12.4
1891	7	12.4
1892	16	12.4
1893	12	12.4
1894	21	12.4
1895	12	12.4
1896	17	12.4
1897	6	12.4
1898	18	12.4
1899	8	12.4
1901	16	10.8
1902	6	10.8
1903	11	10.8
1904	2	10.8
1905	12	10.8
1906	8	10.8
1907	9	10.8
1908	18	10.8
1909	15	10.8
1910	13	12.1
1911	15	12.1
1912	19	12.1
1913	16	12.1
1914	11	12.1
1915	8	12.1
1916	9	12.1
1917	5	12.1
1918	16	12.1
1919	9	12.1
1920	2	11.4
1921	12	11.4
1922	11	11.4
1923	12	11.4
1924	11	11.4
1925	14	11.4
1926	11	11.4
1927	8	11.4
1928	10	11.4
1929	23	11.4
1930	17	17.3
1931	16	17.3
1932	10	17.3
1933	17	17.3
1934	26	17.3
1935	17	17.3
1936	19	17.3
1937	19	17.3
1938	10	17.3
1939	22	17.3
1940	19	26.4
1941	33	26.4
1942	21	26.4
1943	32	26.4
1944	40	26.4
1945	23	26.4
1946	22	26.4
1947	20	26.4
1948	24	26.4
1949	30	26.4
1950	15	19.1
1951	14	19.1
1952	24	19.1
1953	21	19.1
1954	11	19.1
1955	30	19.1
1956	11	19.1
1959	27	19.1
1960	8	20.8
1961	32	20.8
1962	11	20.8
1963	18	20.8
1964	29	20.8
1965	26	20.8
1966	31	20.8
1967	13	20.8
1968	23	20.8
1969	17	20.8
1970	18	22.5
1971	13	22.5
1972	16	22.5
1973	31	22.5
1974	32	22.5
1975	26	22.5
1976	25	22.5
1977	31	22.5
1978	15	22.5
1979	18	22.5
1980	28	21.3
1981	31	21.3
1982	13	21.3
1983	46	21.3
1984	14	21.3
1985	8	21.3
1986	14	21.3
1987	19	21.3
1988	29	21.3
1989	11	21.3
1990	8	25.6
1991	22	25.6
1992	13	25.6
1993	38	25.6
1994	33	25.6
1995	40	25.6
1996	25	25.6
2007	33	23.5
2008	14	23.5
2010	46	46

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

First to last qualifying date each year at Setauket Strong
Year	First date	Last date
1886	1886-07-07	1886-07-29
1887	1887-06-30	1887-08-01
1888	1888-06-20	1888-08-17
1889	1889-05-10	1889-07-08
1890	1890-06-25	1890-07-31
1891	1891-06-15	1891-08-12
1892	1892-06-13	1892-08-11
1893	1893-06-05	1893-08-25
1894	1894-06-11	1894-09-10
1895	1895-05-31	1895-09-23
1896	1896-04-18	1896-08-13
1897	1897-07-06	1897-10-16
1898	1898-06-26	1898-09-07
1899	1899-06-06	1899-08-21
1901	1901-06-23	1901-08-17
1902	1902-05-23	1902-09-01
1903	1903-05-19	1903-07-30
1904	1904-06-26	1904-07-19
1905	1905-06-26	1905-08-11
1906	1906-05-18	1906-09-19
1907	1907-06-25	1907-08-12
1908	1908-06-20	1908-08-14
1909	1909-06-21	1909-08-09
1910	1910-06-21	1910-08-25
1911	1911-07-02	1911-08-23
1912	1912-06-02	1912-08-26
1913	1913-06-16	1913-08-18
1914	1914-05-26	1914-09-23
1915	1915-04-27	1915-09-17
1916	1916-07-12	1916-09-08
1917	1917-07-27	1917-08-02
1918	1918-05-06	1918-08-14
1919	1919-06-03	1919-09-08
1920	1920-06-11	1920-08-09
1921	1921-06-22	1921-09-03
1922	1922-06-08	1922-09-06
1923	1923-06-05	1923-08-05
1924	1924-07-07	1924-09-02
1925	1925-06-01	1925-08-31
1926	1926-07-09	1926-09-25
1927	1927-04-20	1927-10-02
1928	1928-07-04	1928-08-30
1929	1929-04-08	1929-09-04
1930	1930-05-06	1930-09-03
1931	1931-05-29	1931-09-22
1932	1932-06-15	1932-08-25
1933	1933-05-27	1933-08-28
1934	1934-05-21	1934-08-10
1935	1935-06-15	1935-08-21
1936	1936-05-09	1936-09-08
1937	1937-06-01	1937-09-04
1938	1938-06-12	1938-08-16
1939	1939-05-07	1939-08-24
1940	1940-06-03	1940-09-21
1941	1941-04-15	1941-10-06
1942	1942-05-13	1942-09-16
1943	1943-05-07	1943-09-07
1944	1944-05-05	1944-09-03
1945	1945-06-14	1945-09-29
1946	1946-05-31	1946-09-19
1947	1947-06-12	1947-09-15
1948	1948-06-24	1948-09-18
1949	1949-05-05	1949-08-29
1950	1950-06-08	1950-08-31
1951	1951-05-16	1951-08-31
1952	1952-06-09	1952-09-12
1953	1953-06-05	1953-09-04
1954	1954-06-11	1954-07-31
1955	1955-05-05	1955-08-22
1956	1956-05-13	1956-08-19
1959	1959-05-12	1959-09-24
1960	1960-06-26	1960-08-29
1961	1961-06-13	1961-09-23
1962	1962-05-19	1962-08-20
1963	1963-06-25	1963-08-09
1964	1964-05-19	1964-09-11
1965	1965-05-10	1965-09-23
1966	1966-06-05	1966-08-31
1967	1967-06-02	1967-08-18
1968	1968-06-06	1968-08-26
1969	1969-05-29	1969-09-02
1970	1970-05-11	1970-09-24
1971	1971-06-07	1971-09-09
1972	1972-07-12	1972-09-17
1973	1973-06-09	1973-09-05
1974	1974-04-29	1974-09-13
1975	1975-05-20	1975-08-14
1976	1976-04-17	1976-08-25
1977	1977-05-17	1977-09-03
1978	1978-05-20	1978-08-29
1979	1979-05-09	1979-08-10
1980	1980-06-24	1980-09-22
1981	1981-05-25	1981-09-12
1982	1982-07-08	1982-08-05
1983	1983-06-12	1983-09-20
1984	1984-06-07	1984-08-16
1985	1985-07-20	1985-09-06
1986	1986-05-06	1986-07-26
1987	1987-05-29	1987-08-19
1988	1988-06-13	1988-08-16
1989	1989-06-27	1989-09-10
1990	1990-04-27	1990-07-20
1991	1991-04-08	1991-09-17
1992	1992-05-22	1992-08-26
1993	1993-06-19	1993-09-04
1994	1994-05-23	1994-08-28
1995	1995-06-18	1995-09-14
1996	1996-05-19	1996-09-10
2007	2007-05-25	2007-09-26
2008	2008-06-07	2008-08-18
2010	2010-04-07	2010-09-25

Every Fixed Threshold

Fixed thresholds at Setauket Strong
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	111	46	1983	46
35 C (95 F): Days	35	5	1949	2
90 F (32.2 C): Days	101	24	1993	18
100 F (37.8 C): Days	1	1	2010	1
0 C (32 F): Ice days (max	111	49	1904	15
0 C (32 F): Frost days (min	111	127	1904	96
-10 C (14 F): Days with min	109	26	1968	2
-20 C (-4 F): Days with min	7	2	1918	1
20 C (68 F): Tropical nights (min	111	50	1959	45
25 C (77 F): Days with min	16	2	1948	1
10 mm (0.39 in): Days with 10 mm or more rain	108	52	1975	44
25 mm (0.98 in): Days with 25 mm or more rain	108	19	1983	17
50 mm (1.97 in): Days with 50 mm or more rain	93	9	1897	4
100 mm (3.94 in): Days with 100 mm or more rain	15	2	1938	1
10 cm (3.9 in): Days with 10 cm or more snowfall	52	8	1948	1
25 cm (9.8 in): Days with 25 cm or more snowfall	11	1	1926	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1886.

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Data for Setauket Strong 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).

Setauket Strong Threshold Days by Year (USC00307633)

Key Facts for Setauket Strong Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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