Manhattan Threshold Days by Year (USC00144972)

20 fixed thresholds counted per year at Manhattan (USC00144972): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Manhattan Thresholds

Manhattan: days with 10 mm (0.39 in) or more of precipitation in 131 years, most in 1951 with 46.
Manhattan: days with 25 mm (0.98 in) or more of precipitation in 131 years, most in 1902 with 17.
Manhattan: days with a maximum temperature at or above 30 C (86 F) in 126 years, most in 1934 with 122.
Manhattan: days with a maximum temperature at or above 35 C (95 F) in 126 years, most in 1934 with 79.
20 fixed thresholds have at least one qualifying day at Manhattan.

Days at or above 30 C (86 F)

126 years with a qualifying day

Days per year at Manhattan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 122 in 1934.

Days at or above 30 C (86 F) per year at Manhattan
Year	Days	Decade average
1897	97	99.5
1899	102	99.5
1900	102	87.2
1902	91	87.2
1903	78	87.2
1904	68	87.2
1905	99	87.2
1906	103	87.2
1907	78	87.2
1908	67	87.2
1909	99	87.2
1910	91	94.2
1911	105	94.2
1912	90	94.2
1913	107	94.2
1914	103	94.2
1915	52	94.2
1916	98	94.2
1917	88	94.2
1918	104	94.2
1919	104	94.2
1920	82	84.4
1921	101	84.4
1922	92	84.4
1923	76	84.4
1924	75	84.4
1925	99	84.4
1926	99	84.4
1927	67	84.4
1928	76	84.4
1929	77	84.4
1930	94	106.3
1931	110	106.3
1932	100	106.3
1933	111	106.3
1934	122	106.3
1935	81	106.3
1936	115	106.3
1937	104	106.3
1938	121	106.3
1939	105	106.3
1940	91	83
1941	86	83
1942	81	83
1943	86	83
1944	86	83
1945	71	83
1946	84	83
1947	91	83
1948	80	83
1949	74	83
1950	55	90.5
1951	53	90.5
1952	105	90.5
1953	115	90.5
1954	108	90.5
1955	103	90.5
1956	122	90.5
1957	70	90.5
1958	79	90.5
1959	95	90.5
1960	76	78.5
1961	69	78.5
1962	88	78.5
1963	101	78.5
1964	82	78.5
1965	82	78.5
1966	81	78.5
1967	65	78.5
1968	73	78.5
1969	68	78.5
1970	89	80.9
1971	85	80.9
1972	84	80.9
1973	73	80.9
1974	60	80.9
1975	87	80.9
1976	83	80.9
1977	76	80.9
1978	94	80.9
1979	78	80.9
1980	111	86.8
1981	69	86.8
1982	65	86.8
1984	85	86.8
1985	72	86.8
1986	89	86.8
1987	98	86.8
1988	101	86.8
1989	91	86.8
1990	91	86.9
1991	116	86.9
1992	61	86.9
1993	82	86.9
1994	92	86.9
1995	82	86.9
1996	85	86.9
1997	87	86.9
1998	86	86.9
2000	95	90.5
2001	97	90.5
2002	105	90.5
2003	95	90.5
2004	82	90.5
2005	104	90.5
2006	94	90.5
2007	103	90.5
2008	66	90.5
2009	64	90.5
2010	102	88.3
2011	93	88.3
2012	105	88.3
2013	77	88.3
2014	75	88.3
2015	81	88.3
2016	83	88.3
2017	75	88.3
2018	103	88.3
2019	89	88.3
2020	81	85.3
2021	83	85.3
2022	94	85.3
2023	89	85.3
2024	77	85.3
2025	76	85.3
2026	97	85.3

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

First to last qualifying date each year at Manhattan
Year	First date	Last date
1897	1897-04-18	1897-10-24
1899	1899-04-10	1899-10-22
1900	1900-05-04	1900-10-05
1902	1902-03-25	1902-10-25
1903	1903-04-10	1903-10-21
1904	1904-05-22	1904-10-18
1905	1905-04-08	1905-10-08
1906	1906-04-11	1906-10-07
1907	1907-03-21	1907-10-02
1908	1908-03-25	1908-10-15
1909	1909-04-17	1909-11-04
1910	1910-03-21	1910-10-16
1911	1911-04-29	1911-09-28
1912	1912-05-02	1912-10-05
1913	1913-04-02	1913-10-02
1914	1914-04-17	1914-10-18
1915	1915-04-27	1915-09-19
1916	1916-03-12	1916-10-07
1917	1917-03-30	1917-10-15
1918	1918-03-13	1918-10-07
1919	1919-04-22	1919-10-03
1920	1920-05-22	1920-10-10
1921	1921-03-18	1921-10-24
1922	1922-06-05	1922-10-27
1923	1923-06-02	1923-09-29
1924	1924-04-07	1924-09-20
1925	1925-04-12	1925-10-03
1926	1926-04-17	1926-09-23
1927	1927-04-28	1927-10-27
1928	1928-03-22	1928-10-15
1929	1929-03-24	1929-10-17
1930	1930-04-09	1930-10-11
1931	1931-04-07	1931-10-10
1932	1932-04-01	1932-10-18
1933	1933-05-08	1933-09-25
1934	1934-03-20	1934-10-12
1935	1935-04-14	1935-10-15
1936	1936-04-12	1936-10-05
1937	1937-04-16	1937-10-29
1938	1938-03-21	1938-10-31
1939	1939-04-23	1939-10-26
1940	1940-03-31	1940-10-25
1941	1941-05-14	1941-10-13
1942	1942-04-04	1942-09-30
1943	1943-04-29	1943-09-21
1944	1944-05-13	1944-09-20
1945	1945-04-20	1945-10-18
1946	1946-03-31	1946-09-26
1947	1947-05-03	1947-10-22
1948	1948-04-17	1948-09-21
1949	1949-05-03	1949-10-08
1950	1950-03-25	1950-10-31
1951	1951-04-28	1951-10-03
1952	1952-04-08	1952-10-25
1953	1953-04-21	1953-10-19
1954	1954-04-06	1954-10-09
1955	1955-04-15	1955-09-21
1956	1956-04-01	1956-10-12
1957	1957-06-05	1957-09-24
1958	1958-05-20	1958-10-19
1959	1959-04-06	1959-09-22
1960	1960-04-22	1960-10-11
1961	1961-04-19	1961-09-10
1962	1962-04-20	1962-10-14
1963	1963-03-28	1963-10-19
1964	1964-04-16	1964-09-19
1965	1965-04-20	1965-10-10
1966	1966-03-31	1966-09-24
1967	1967-03-29	1967-10-04
1968	1968-03-30	1968-10-30
1969	1969-05-27	1969-10-04
1970	1970-04-27	1970-09-20
1971	1971-05-17	1971-10-12
1972	1972-04-12	1972-10-01
1973	1973-05-18	1973-10-08
1974	1974-05-16	1974-09-18
1975	1975-04-23	1975-10-20
1976	1976-04-02	1976-10-11
1977	1977-04-08	1977-10-26
1978	1978-05-19	1978-10-21
1979	1979-05-16	1979-10-20
1980	1980-04-20	1980-10-13
1981	1981-04-17	1981-09-30
1982	1982-04-14	1982-09-28
1984	1984-05-12	1984-10-04
1985	1985-04-18	1985-09-19
1986	1986-03-29	1986-09-28
1987	1987-04-17	1987-10-01
1988	1988-04-08	1988-09-27
1989	1989-04-21	1989-10-14
1990	1990-04-22	1990-10-17
1991	1991-03-26	1991-10-23
1992	1992-04-10	1992-10-03
1993	1993-05-27	1993-10-07
1994	1994-04-14	1994-10-01
1995	1995-06-06	1995-10-16
1996	1996-04-11	1996-10-13
1997	1997-04-18	1997-10-06
1998	1998-05-13	1998-09-28
2000	2000-04-05	2000-10-18
2001	2001-04-08	2001-10-02
2002	2002-04-14	2002-10-01
2003	2003-04-02	2003-10-22
2004	2004-04-16	2004-10-03
2005	2005-04-20	2005-10-18
2006	2006-04-13	2006-10-03
2007	2007-03-24	2007-10-20
2008	2008-05-18	2008-09-29
2009	2009-04-25	2009-09-28
2010	2010-04-01	2010-10-09
2011	2011-04-04	2011-10-05
2012	2012-04-01	2012-10-24
2013	2013-04-30	2013-10-05
2014	2014-04-13	2014-10-27
2015	2015-05-04	2015-10-12
2016	2016-04-06	2016-10-18
2017	2017-03-20	2017-10-07
2018	2018-04-13	2018-10-04
2019	2019-04-11	2019-10-02
2020	2020-04-08	2020-10-12
2021	2021-04-27	2021-10-10
2022	2022-04-13	2022-10-22
2023	2023-04-05	2023-10-03
2024	2024-04-14	2024-10-25
2025	2025-04-14	2025-10-13
2026	2026-03-21	2026-10-13

Every Fixed Threshold

Fixed thresholds at Manhattan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	126	122	1934	97
35 C (95 F): Days	126	79	1934	24
40 C (104 F): Days	76	48	1934	1
45 C (113 F): Days	4	9	1934	2
90 F (32.2 C): Days	126	100	1934	53
100 F (37.8 C): Days	118	64	1934	7
110 F (43.3 C): Days	17	23	1934	1
0 C (32 F): Ice days (max	126	54	1978	11
0 C (32 F): Frost days (min	117	153	1952	63
-10 C (14 F): Days with min	117	49	1916	16
-20 C (-4 F): Days with min	92	14	1905	4
-30 C (-22 F): Days with min	5	2	1899	1
20 C (68 F): Tropical nights (min	117	71	1980	57
25 C (77 F): Days with min	96	31	1934	13
10 mm (0.39 in): Days with 10 mm or more rain	131	46	1951	33
25 mm (0.98 in): Days with 25 mm or more rain	131	17	1902	13
50 mm (1.97 in): Days with 50 mm or more rain	114	7	2008	4
100 mm (3.94 in): Days with 100 mm or more rain	25	2	1977	1
10 cm (3.9 in): Days with 10 cm or more snowfall	87	5	1975	1
25 cm (9.8 in): Days with 25 cm or more snowfall	10	1	1900	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Manhattan 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).

Manhattan Threshold Days by Year (USC00144972)

Key Facts for Manhattan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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