Canton 4N Threshold Days by Year (USC00221389)

18 fixed thresholds counted per year at Canton 4N (USC00221389): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Canton 4N Thresholds

Canton 4N: days with a maximum temperature at or above 30 C (86 F) in 111 years, most in 1963 with 159.
Canton 4N: days with a maximum temperature at or above 35 C (95 F) in 111 years, most in 1954 with 99.
Canton 4N: days with a maximum temperature at or above 90 F (32.2 C) in 111 years, most in 1921 with 128.
Canton 4N: nights with a minimum temperature at or below 0 C (32 F) in 109 years, most in 1963 with 78.
18 fixed thresholds have at least one qualifying day at Canton 4N.

Days at or above 30 C (86 F)

111 years with a qualifying day

Days per year at Canton 4N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 159 in 1963.

Days at or above 30 C (86 F) per year at Canton 4N
Year	Days	Decade average
1893	82	110
1894	67	110
1895	90	110
1896	121	110
1897	129	110
1898	133	110
1899	148	110
1900	122	124.6
1901	111	124.6
1902	128	124.6
1903	125	124.6
1904	142	124.6
1905	124	124.6
1906	129	124.6
1907	116	124.6
1908	125	124.6
1909	124	124.6
1910	136	130.3
1911	136	130.3
1912	112	130.3
1913	122	130.3
1914	134	130.3
1915	135	130.3
1916	131	130.3
1917	126	130.3
1918	134	130.3
1919	137	130.3
1920	141	131
1921	154	131
1922	131	131
1923	120	131
1924	145	131
1926	135	131
1927	91	131
1930	124	124.9
1931	130	124.9
1932	108	124.9
1933	130	124.9
1934	127	124.9
1935	120	124.9
1936	118	124.9
1939	142	124.9
1940	111	132
1941	154	132
1942	131	132
1943	137	132
1944	143	132
1945	124	132
1946	103	132
1948	145	132
1949	140	132
1950	121	139.9
1951	144	139.9
1952	146	139.9
1953	154	139.9
1954	150	139.9
1955	155	139.9
1956	137	139.9
1957	132	139.9
1958	120	139.9
1959	140	139.9
1960	127	127.6
1961	121	127.6
1962	154	127.6
1963	159	127.6
1964	125	127.6
1965	138	127.6
1966	109	127.6
1967	102	127.6
1968	119	127.6
1969	122	127.6
1970	135	123.5
1971	118	123.5
1972	133	123.5
1973	137	123.5
1974	110	123.5
1975	114	123.5
1976	113	123.5
1977	140	123.5
1978	125	123.5
1979	110	123.5
1980	132	127
1981	129	127
1982	135	127
1983	121	127
1984	126	127
1985	128	127
1986	135	127
1987	133	127
1988	120	127
1989	111	127
1990	131	122.7
1995	122	122.7
1996	115	122.7
2000	127	115.9
2001	92	115.9
2002	133	115.9
2003	104	115.9
2004	101	115.9
2005	124	115.9
2006	136	115.9
2007	132	115.9
2008	94	115.9
2010	150	134.3
2011	117	134.3
2016	136	134.3
2020	104	136.6
2022	136	136.6
2023	155	136.6
2025	144	136.6
2026	144	136.6

For each year, a bar from the first to the last day at Canton 4N meeting 30 C (86 F).

First to last qualifying date each year at Canton 4N
Year	First date	Last date
1893	1893-05-25	1893-10-27
1894	1894-05-09	1894-09-23
1895	1895-05-29	1895-10-06
1896	1896-04-23	1896-10-06
1897	1897-05-07	1897-10-15
1898	1898-04-30	1898-10-10
1899	1899-04-20	1899-10-26
1900	1900-04-09	1900-10-25
1901	1901-04-29	1901-10-02
1902	1902-04-21	1902-09-29
1903	1903-04-09	1903-10-22
1904	1904-03-24	1904-10-18
1905	1905-05-04	1905-10-17
1906	1906-04-11	1906-09-24
1907	1907-03-24	1907-10-25
1908	1908-03-17	1908-10-20
1909	1909-04-28	1909-10-22
1910	1910-03-23	1910-10-19
1911	1911-03-09	1911-10-15
1912	1912-04-28	1912-10-11
1913	1913-04-01	1913-10-15
1914	1914-04-16	1914-11-06
1915	1915-04-17	1915-11-08
1916	1916-03-21	1916-11-13
1917	1917-03-31	1917-10-29
1918	1918-02-25	1918-10-07
1919	1919-04-08	1919-10-31
1920	1920-04-16	1920-11-07
1921	1921-03-20	1921-11-18
1922	1922-04-04	1922-11-04
1923	1923-04-22	1923-10-14
1924	1924-04-16	1924-11-17
1926	1926-05-10	1926-10-14
1927	1927-05-06	1927-08-31
1930	1930-04-08	1930-09-26
1931	1931-04-17	1931-11-17
1932	1932-04-20	1932-10-16
1933	1933-05-08	1933-10-12
1934	1934-04-03	1934-10-03
1935	1935-03-22	1935-11-04
1936	1936-05-10	1936-10-21
1939	1939-05-11	1939-10-27
1940	1940-03-12	1940-10-27
1941	1941-04-12	1941-10-24
1942	1942-04-27	1942-10-19
1943	1943-04-10	1943-10-22
1944	1944-04-15	1944-10-30
1945	1945-03-17	1945-10-02
1946	1946-03-31	1946-10-31
1948	1948-03-20	1948-10-31
1949	1949-04-24	1949-10-21
1950	1950-04-28	1950-11-01
1951	1951-04-27	1951-10-31
1952	1952-04-29	1952-10-27
1953	1953-03-18	1953-10-23
1954	1954-04-04	1954-10-26
1955	1955-03-12	1955-11-13
1956	1956-04-28	1956-10-18
1957	1957-04-02	1957-11-16
1958	1958-04-23	1958-10-09
1959	1959-04-30	1959-10-12
1960	1960-04-21	1960-10-26
1961	1961-04-25	1961-11-03
1962	1962-04-21	1962-10-20
1963	1963-03-14	1963-10-28
1964	1964-04-24	1964-09-29
1965	1965-04-10	1965-11-27
1966	1966-05-09	1966-10-15
1967	1967-03-12	1967-10-14
1968	1968-05-14	1968-10-17
1969	1969-05-06	1969-10-20
1970	1970-04-19	1970-10-09
1971	1971-05-20	1971-10-29
1972	1972-04-14	1972-10-19
1973	1973-05-11	1973-10-24
1974	1974-03-30	1974-09-29
1975	1975-04-25	1975-10-16
1976	1976-04-19	1976-10-06
1977	1977-03-31	1977-10-02
1978	1978-04-02	1978-10-30
1979	1979-04-18	1979-10-22
1980	1980-04-23	1980-10-16
1981	1981-04-14	1981-10-18
1982	1982-03-19	1982-10-10
1983	1983-05-13	1983-10-22
1984	1984-04-21	1984-11-01
1985	1985-03-29	1985-10-21
1986	1986-04-05	1986-10-06
1987	1987-04-19	1987-11-03
1988	1988-04-05	1988-10-20
1989	1989-03-15	1989-10-16
1990	1990-04-22	1990-10-17
1995	1995-03-22	1995-10-02
1996	1996-04-19	1996-10-28
2000	2000-04-20	2000-10-29
2001	2001-04-10	2001-10-06
2002	2002-04-18	2002-10-07
2003	2003-05-03	2003-10-25
2004	2004-04-24	2004-10-31
2005	2005-05-11	2005-10-20
2006	2006-04-03	2006-10-19
2007	2007-05-01	2007-10-19
2008	2008-04-24	2008-09-24
2010	2010-05-03	2010-10-27
2011	2011-04-09	2011-10-17
2016	2016-03-16	2016-10-28
2020	2020-03-27	2020-10-22
2022	2022-04-25	2022-11-09
2023	2023-02-24	2023-11-09
2025	2025-03-31	2025-10-19
2026	2026-03-07	2026-10-15

Every Fixed Threshold

Fixed thresholds at Canton 4N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	111	159	1963	144
35 C (95 F): Days	111	99	1954	72
40 C (104 F): Days	18	11	1954	1
90 F (32.2 C): Days	111	128	1921	112
100 F (37.8 C): Days	63	37	1954	7
0 C (32 F): Ice days (max	62	7	1940	3
0 C (32 F): Frost days (min	109	78	1963	27
-10 C (14 F): Days with min	50	9	1963	4
-20 C (-4 F): Days with min	3	2	1940	2
20 C (68 F): Tropical nights (min	109	123	1895	134
25 C (77 F): Days with min	36	18	1897	14
10 mm (0.39 in): Days with 10 mm or more rain	105	59	1961	31
25 mm (0.98 in): Days with 25 mm or more rain	105	27	2008	15
50 mm (1.97 in): Days with 50 mm or more rain	104	12	1932	4
100 mm (3.94 in): Days with 100 mm or more rain	41	3	1979	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2020	1
10 cm (3.9 in): Days with 10 cm or more snowfall	5	1	1948	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Canton 4N 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).

Canton 4N Threshold Days by Year (USC00221389)

Key Facts for Canton 4N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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