Jackson Threshold Days by Year (USC00234226)

21 fixed thresholds counted per year at Jackson (USC00234226): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jackson Thresholds

Jackson: days with 10 mm (0.39 in) or more of precipitation in 126 years, most in 1927 with 61.
Jackson: days with 25 mm (0.98 in) or more of precipitation in 126 years, most in 2019 with 23.
Jackson: days with 50 mm (1.97 in) or more of precipitation in 119 years, most in 1928 with 9.
Jackson: nights with a minimum temperature at or below 0 C (32 F) in 117 years, most in 1924 with 126.
21 fixed thresholds have at least one qualifying day at Jackson.

Days at or above 30 C (86 F)

114 years with a qualifying day

Days per year at Jackson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 140 in 1953.

Days at or above 30 C (86 F) per year at Jackson
Year	Days	Decade average
1902	91	93.3
1903	86	93.3
1904	74	93.3
1905	80	93.3
1906	120	93.3
1907	101	93.3
1908	99	93.3
1909	95	93.3
1910	92	96.6
1911	117	96.6
1913	99	96.6
1914	103	96.6
1915	75	96.6
1916	95	96.6
1917	81	96.6
1918	104	96.6
1919	103	96.6
1920	72	86.3
1921	115	86.3
1922	110	86.3
1923	80	86.3
1924	86	86.3
1925	115	86.3
1926	108	86.3
1927	60	86.3
1928	60	86.3
1929	57	86.3
1930	81	101.7
1931	72	101.7
1933	107	101.7
1934	107	101.7
1935	88	101.7
1936	129	101.7
1937	112	101.7
1938	108	101.7
1939	111	101.7
1940	87	96.7
1941	109	96.7
1942	88	96.7
1943	90	96.7
1944	111	96.7
1945	78	96.7
1946	87	96.7
1947	112	96.7
1948	105	96.7
1949	100	96.7
1950	77	106.8
1951	90	106.8
1952	118	106.8
1953	140	106.8
1954	119	106.8
1955	113	106.8
1956	107	106.8
1957	97	106.8
1958	94	106.8
1959	113	106.8
1960	84	83.9
1961	82	83.9
1962	97	83.9
1963	91	83.9
1964	95	83.9
1965	89	83.9
1966	72	83.9
1967	66	83.9
1968	77	83.9
1969	86	83.9
1970	90	86
1971	87	86
1972	92	86
1973	92	86
1974	60	86
1975	90	86
1976	67	86
1977	111	86
1978	97	86
1979	74	86
1980	116	100.8
1981	87	100.8
1984	95	100.8
1985	84	100.8
1986	105	100.8
1987	126	100.8
1988	105	100.8
1989	88	100.8
1990	85	87.1
1991	102	87.1
1992	62	87.1
1993	86	87.1
1994	88	87.1
1995	91	87.1
1996	86	87.1
1997	79	87.1
1998	108	87.1
1999	84	87.1
2000	88	86.3
2001	86	86.3
2002	94	86.3
2004	65	86.3
2006	92	86.3
2007	113	86.3
2008	79	86.3
2009	73	86.3
2010	114	93.4
2011	91	93.4
2012	106	93.4
2013	72	93.4
2014	76	93.4
2015	82	93.4
2016	96	93.4
2017	93	93.4
2018	112	93.4
2019	92	93.4
2020	82	79
2021	76	79

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

First to last qualifying date each year at Jackson
Year	First date	Last date
1902	1902-04-21	1902-09-08
1903	1903-05-16	1903-10-05
1904	1904-05-24	1904-10-08
1905	1905-03-28	1905-10-07
1906	1906-04-12	1906-09-24
1907	1907-03-20	1907-10-25
1908	1908-05-16	1908-10-20
1909	1909-05-05	1909-10-04
1910	1910-03-23	1910-10-19
1911	1911-03-11	1911-10-15
1913	1913-05-13	1913-10-07
1914	1914-04-16	1914-09-22
1915	1915-04-16	1915-09-27
1916	1916-05-06	1916-10-08
1917	1917-04-23	1917-10-17
1918	1918-03-21	1918-10-06
1919	1919-04-14	1919-10-10
1920	1920-05-20	1920-10-21
1921	1921-05-19	1921-10-27
1922	1922-05-06	1922-10-06
1923	1923-04-23	1923-09-29
1924	1924-04-07	1924-10-19
1925	1925-04-13	1925-09-20
1926	1926-05-01	1926-10-03
1927	1927-06-09	1927-10-25
1928	1928-05-10	1928-10-10
1929	1929-03-24	1929-09-29
1930	1930-05-01	1930-09-22
1931	1931-05-17	1931-09-25
1933	1933-05-09	1933-09-30
1934	1934-04-04	1934-09-26
1935	1935-03-23	1935-10-13
1936	1936-04-15	1936-09-29
1937	1937-04-17	1937-10-05
1938	1938-04-20	1938-10-18
1939	1939-05-22	1939-10-23
1940	1940-04-03	1940-10-26
1941	1941-05-15	1941-10-07
1942	1942-04-29	1942-09-19
1943	1943-04-09	1943-09-04
1944	1944-05-11	1944-10-07
1945	1945-05-14	1945-09-28
1946	1946-04-01	1946-10-09
1947	1947-05-13	1947-10-24
1948	1948-04-25	1948-09-22
1949	1949-05-03	1949-10-08
1950	1950-05-17	1950-10-31
1951	1951-04-28	1951-10-04
1952	1952-04-28	1952-10-01
1953	1953-05-21	1953-10-22
1954	1954-04-24	1954-10-10
1955	1955-04-16	1955-09-29
1956	1956-05-05	1956-10-22
1957	1957-05-01	1957-10-02
1958	1958-05-12	1958-09-26
1959	1959-04-07	1959-10-05
1960	1960-05-17	1960-09-23
1961	1961-05-31	1961-10-12
1962	1962-05-08	1962-10-11
1963	1963-04-21	1963-10-20
1964	1964-05-17	1964-09-20
1965	1965-04-22	1965-09-20
1966	1966-05-08	1966-09-13
1967	1967-05-11	1967-10-05
1968	1968-05-01	1968-09-23
1969	1969-05-28	1969-10-04
1970	1970-05-12	1970-10-02
1971	1971-04-19	1971-10-03
1972	1972-05-19	1972-09-21
1973	1973-06-03	1973-10-03
1974	1974-06-19	1974-09-12
1975	1975-05-19	1975-10-14
1976	1976-06-08	1976-10-03
1977	1977-04-14	1977-10-01
1978	1978-05-20	1978-10-12
1979	1979-05-10	1979-10-21
1980	1980-04-22	1980-10-10
1981	1981-04-27	1981-10-06
1984	1984-05-19	1984-09-21
1985	1985-05-12	1985-09-23
1986	1986-04-25	1986-10-04
1987	1987-04-20	1987-11-04
1988	1988-05-11	1988-09-23
1989	1989-04-22	1989-10-25
1990	1990-06-01	1990-09-29
1991	1991-05-14	1991-09-16
1992	1992-04-15	1992-09-15
1993	1993-05-07	1993-09-22
1994	1994-05-23	1994-10-02
1995	1995-05-14	1995-09-15
1996	1996-05-17	1996-09-12
1997	1997-05-18	1997-10-07
1998	1998-05-13	1998-09-30
1999	1999-04-01	1999-09-29
2000	2000-05-18	2000-10-04
2001	2001-04-27	2001-09-09
2002	2002-04-18	2002-10-04
2004	2004-05-07	2004-09-23
2006	2006-04-14	2006-10-05
2007	2007-04-30	2007-10-09
2008	2008-04-24	2008-09-24
2009	2009-05-16	2009-09-11
2010	2010-04-14	2010-10-11
2011	2011-04-10	2011-09-30
2012	2012-04-02	2012-09-26
2013	2013-05-15	2013-09-26
2014	2014-05-05	2014-10-02
2015	2015-05-05	2015-10-09
2016	2016-05-08	2016-10-20
2017	2017-05-10	2017-10-15
2018	2018-05-07	2018-10-10
2019	2019-05-17	2019-10-03
2020	2020-04-09	2020-10-08
2021	2021-05-23	2021-10-12

Every Fixed Threshold

Fixed thresholds at Jackson
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	114	140	1953	76
35 C (95 F): Days	114	79	1936	16
40 C (104 F): Days	23	29	1936	8
90 F (32.2 C): Days	114	120	1953	47
100 F (37.8 C): Days	65	49	1936	1
110 F (43.3 C): Days	3	6	1936	6
0 C (32 F): Ice days (max	114	38	1978	16
0 C (32 F): Frost days (min	117	126	1924	92
-10 C (14 F): Days with min	117	37	1985	13
-20 C (-4 F): Days with min	39	11	1918	4
-30 C (-22 F): Days with min	3	1	1917	1
20 C (68 F): Tropical nights (min	117	85	1998	65
25 C (77 F): Days with min	50	7	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	126	61	1927	43
25 mm (0.98 in): Days with 25 mm or more rain	126	23	2019	12
50 mm (1.97 in): Days with 50 mm or more rain	119	9	1928	3
100 mm (3.94 in): Days with 100 mm or more rain	31	2	1918	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2008	1
10 cm (3.9 in): Days with 10 cm or more snowfall	46	4	1926	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1979	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1979	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Jackson 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).

Jackson Threshold Days by Year (USC00234226)

Key Facts for Jackson Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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