Donaldsonville 4 SW Threshold Days by Year (USC00162534)

15 fixed thresholds counted per year at Donaldsonville 4 SW (USC00162534): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Donaldsonville 4 SW Thresholds

Donaldsonville 4 SW: nights with a minimum temperature at or above 20 C (68 F) in 125 years, most in 2024 with 161.
Donaldsonville 4 SW: nights with a minimum temperature at or below 0 C (32 F) in 124 years, most in 2010 with 41.
Donaldsonville 4 SW: days with 10 mm (0.39 in) or more of precipitation in 123 years, most in 1900 with 64.
Donaldsonville 4 SW: days with 25 mm (0.98 in) or more of precipitation in 123 years, most in 1961 with 35.
15 fixed thresholds have at least one qualifying day at Donaldsonville 4 SW.

Days at or above 30 C (86 F)

122 years with a qualifying day

Days per year at Donaldsonville 4 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 186 in 1963.

Days at or above 30 C (86 F) per year at Donaldsonville 4 SW
Year	Days	Decade average
1893	130	152.5
1894	168	152.5
1895	144	152.5
1896	157	152.5
1897	165	152.5
1899	151	152.5
1900	129	139.3
1901	147	139.3
1903	120	139.3
1906	163	139.3
1907	145	139.3
1909	132	139.3
1910	161	152.7
1911	151	152.7
1912	141	152.7
1913	147	152.7
1914	130	152.7
1915	174	152.7
1916	151	152.7
1917	154	152.7
1918	160	152.7
1919	158	152.7
1920	155	154.7
1921	164	154.7
1922	153	154.7
1923	140	154.7
1924	148	154.7
1925	162	154.7
1926	134	154.7
1927	181	154.7
1929	155	154.7
1931	145	155.1
1932	151	155.1
1933	172	155.1
1934	171	155.1
1935	181	155.1
1936	126	155.1
1937	152	155.1
1938	149	155.1
1939	149	155.1
1940	126	154
1941	153	154
1942	139	154
1943	152	154
1944	154	154
1945	161	154
1946	147	154
1947	174	154
1948	172	154
1949	162	154
1950	166	155.6
1951	177	155.6
1952	154	155.6
1953	127	155.6
1954	145	155.6
1955	183	155.6
1956	134	155.6
1957	147	155.6
1958	161	155.6
1959	162	155.6
1960	153	156.7
1961	146	156.7
1962	179	156.7
1963	186	156.7
1964	145	156.7
1965	169	156.7
1966	143	156.7
1967	159	156.7
1969	130	156.7
1973	149	121.5
1974	113	121.5
1976	106	121.5
1977	126	121.5
1978	123	121.5
1979	112	121.5
1980	127	124.2
1981	131	124.2
1982	122	124.2
1983	111	124.2
1984	100	124.2
1985	123	124.2
1986	137	124.2
1987	138	124.2
1988	123	124.2
1989	130	124.2
1990	143	132.1
1991	124	132.1
1992	115	132.1
1993	130	132.1
1994	123	132.1
1995	134	132.1
1996	130	132.1
1997	127	132.1
1998	147	132.1
1999	148	132.1
2000	135	131.9
2001	124	131.9
2002	125	131.9
2003	139	131.9
2004	141	131.9
2005	137	131.9
2006	141	131.9
2007	127	131.9
2008	119	131.9
2009	131	131.9
2010	137	138.5
2011	138	138.5
2012	130	138.5
2013	122	138.5
2014	127	138.5
2015	153	138.5
2016	146	138.5
2017	130	138.5
2018	154	138.5
2019	148	138.5
2020	132	148.9
2021	134	148.9
2022	153	148.9
2023	165	148.9
2024	147	148.9
2025	157	148.9
2026	154	148.9

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

First to last qualifying date each year at Donaldsonville 4 SW
Year	First date	Last date
1893	1893-04-05	1893-10-05
1894	1894-03-22	1894-10-28
1895	1895-03-14	1895-11-07
1896	1896-04-20	1896-11-11
1897	1897-03-03	1897-11-27
1899	1899-03-25	1899-10-21
1900	1900-05-01	1900-11-24
1901	1901-03-29	1901-11-01
1903	1903-03-07	1903-11-17
1906	1906-01-21	1906-12-09
1907	1907-02-23	1907-10-28
1909	1909-04-22	1909-10-23
1910	1910-04-14	1910-11-26
1911	1911-02-09	1911-11-12
1912	1912-04-26	1912-10-18
1913	1913-04-21	1913-12-02
1914	1914-01-27	1914-10-12
1915	1915-04-10	1915-11-12
1916	1916-04-12	1916-10-19
1917	1917-03-01	1917-11-10
1918	1918-02-28	1918-12-13
1919	1919-04-23	1919-10-31
1920	1920-04-16	1920-10-21
1921	1921-03-14	1921-11-17
1922	1922-04-06	1922-11-06
1923	1923-04-08	1923-10-30
1924	1924-04-15	1924-10-21
1925	1925-03-11	1925-10-24
1926	1926-05-07	1926-10-14
1927	1927-03-19	1927-11-24
1929	1929-03-23	1929-11-01
1931	1931-04-16	1931-10-27
1932	1932-02-28	1932-10-24
1933	1933-03-18	1933-12-03
1934	1934-04-03	1934-11-10
1935	1935-01-20	1935-11-11
1936	1936-03-15	1936-11-03
1937	1937-04-04	1937-10-30
1938	1938-03-21	1938-11-02
1939	1939-03-23	1939-10-26
1940	1940-03-12	1940-11-04
1941	1941-04-09	1941-10-25
1942	1942-04-26	1942-10-24
1943	1943-04-06	1943-10-12
1944	1944-04-11	1944-11-09
1945	1945-02-16	1945-11-10
1946	1946-03-30	1946-11-09
1947	1947-04-07	1947-10-30
1948	1948-02-28	1948-11-04
1949	1949-03-25	1949-10-24
1950	1950-04-25	1950-11-15
1951	1951-03-01	1951-11-25
1952	1952-01-01	1952-11-17
1953	1953-04-11	1953-10-22
1954	1954-03-30	1954-10-27
1955	1955-03-12	1955-11-15
1956	1956-03-28	1956-10-11
1957	1957-02-04	1957-11-16
1958	1958-04-03	1958-11-16
1959	1959-04-06	1959-11-23
1960	1960-03-31	1960-10-18
1961	1961-03-28	1961-11-01
1962	1962-02-26	1962-10-20
1963	1963-03-13	1963-10-28
1964	1964-04-07	1964-11-13
1965	1965-03-24	1965-10-17
1966	1966-04-02	1966-11-12
1967	1967-03-12	1967-10-25
1969	1969-04-23	1969-10-20
1973	1973-04-23	1973-11-28
1974	1974-03-31	1974-11-02
1976	1976-05-25	1976-10-04
1977	1977-05-06	1977-10-11
1978	1978-05-02	1978-10-06
1979	1979-05-08	1979-10-22
1980	1980-04-04	1980-10-17
1981	1981-04-21	1981-11-28
1982	1982-03-18	1982-10-10
1983	1983-05-14	1983-10-22
1984	1984-04-22	1984-11-01
1985	1985-03-14	1985-10-24
1986	1986-05-09	1986-11-09
1987	1987-04-18	1987-10-03
1988	1988-04-22	1988-10-19
1989	1989-04-19	1989-10-17
1990	1990-04-23	1990-10-10
1991	1991-05-02	1991-10-23
1992	1992-04-14	1992-09-22
1993	1993-05-06	1993-10-21
1994	1994-04-11	1994-11-06
1995	1995-04-20	1995-10-12
1996	1996-04-29	1996-10-27
1997	1997-05-02	1997-10-13
1998	1998-05-05	1998-10-20
1999	1999-04-06	1999-10-14
2000	2000-04-18	2000-10-07
2001	2001-04-05	2001-10-24
2002	2002-04-18	2002-10-07
2003	2003-04-18	2003-10-24
2004	2004-04-11	2004-11-03
2005	2005-05-11	2005-10-22
2006	2006-04-18	2006-10-18
2007	2007-04-29	2007-10-19
2008	2008-04-11	2008-10-17
2009	2009-04-23	2009-10-30
2010	2010-04-26	2010-10-28
2011	2011-04-09	2011-10-18
2012	2012-04-02	2012-10-15
2013	2013-05-18	2013-10-13
2014	2014-04-28	2014-10-29
2015	2015-03-18	2015-11-07
2016	2016-04-30	2016-11-05
2017	2017-04-05	2017-10-22
2018	2018-02-21	2018-10-20
2019	2019-04-30	2019-10-21
2020	2020-03-26	2020-10-24
2021	2021-03-28	2021-10-28
2022	2022-03-07	2022-11-09
2023	2023-03-26	2023-10-30
2024	2024-04-20	2024-11-08
2025	2025-03-31	2025-10-22
2026	2026-03-07	2026-10-15

Every Fixed Threshold

Fixed thresholds at Donaldsonville 4 SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	122	186	1963	154
35 C (95 F): Days	118	82	1951	42
40 C (104 F): Days	2	1	2000	1
90 F (32.2 C): Days	122	149	1962	112
100 F (37.8 C): Days	39	15	1951	10
0 C (32 F): Ice days (max	14	3	1985	1
0 C (32 F): Frost days (min	124	41	2010	15
-10 C (14 F): Days with min	10	4	1962	2
20 C (68 F): Tropical nights (min	125	161	2024	156
25 C (77 F): Days with min	95	36	2023	15
10 mm (0.39 in): Days with 10 mm or more rain	123	64	1900	37
25 mm (0.98 in): Days with 25 mm or more rain	123	35	1961	16
50 mm (1.97 in): Days with 50 mm or more rain	123	14	1992	7
100 mm (3.94 in): Days with 100 mm or more rain	65	5	2016	1
200 mm (7.87 in): Days with 200 mm or more rain	8	1	1916	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 Donaldsonville 4 SW 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).

Donaldsonville 4 SW Threshold Days by Year (USC00162534)

Key Facts for Donaldsonville 4 SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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