Weather Records on 24 September 1966

410 weather records were set or tied worldwide on 24 September 1966. Highest significance: Pahala 21, US.

Key Facts for 24 September 1966

On 24 September 1966, 410 weather records were set or tied at long-record stations worldwide.
239 were record highs and 59 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 405 daily.
Pahala 21 set a daily record precipitation of 83.6 mm (3.3 in) on 24 September 1966.
Across 166 earlier years (1803 to 2026) the same calendar date averaged 427 records.

Record Map

410 stations

410 station records on 24 September 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 September 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pahala 21	United States	Record daily precipitation	83.6 mm (3.3 in)	51 of 100 (Notable)
Dubari	India	Record daily precipitation	55.4 mm (2.2 in)	49 of 100 (Notable)
Bom Jesus	Brazil	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Estancia	Brazil	Record daily precipitation	45.3 mm (1.8 in)	41 of 100 (Notable)
Naalehu 14	United States	Record daily precipitation	80.0 mm (3.1 in)	41 of 100 (Notable)
Suolovuopmi	Norway	Record snow depth	12.0 cm (4.7 in)	39 of 100 (Notable)
Napoklu	India	Record daily precipitation	74.2 mm (2.9 in)	36 of 100 (Notable)
Thalipilly	India	Record daily precipitation	66.8 mm (2.6 in)	32 of 100 (Routine)
Castle Rock	United States	Record high minimum temperature	12.2 C (54.0 F)	32 of 100 (Routine)
Titusville	United States	Record low minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
La Plaisante	South Africa	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
Mecca Fire STN	United States	Record high minimum temperature	27.2 C (81.0 F)	31 of 100 (Routine)
Kanjirapally	India	Record daily precipitation	102.4 mm (4.0 in)	30 of 100 (Routine)
Deseret	United States	Record high minimum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Utah Lake Lehi	United States	Record high maximum temperature	31.7 C (89.1 F)	30 of 100 (Routine)
Pahoa 65	United States	Record daily precipitation	111.5 mm (4.4 in)	30 of 100 (Routine)
Boulder	United States	Record high minimum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
Rocky Ford 2 SE	United States	Record high maximum temperature	35.6 C (96.1 F)	29 of 100 (Routine)
Detroit	United States	Record high minimum temperature	10.6 C (51.1 F)	29 of 100 (Routine)
Logan Utah St UNIV	United States	Record high maximum temperature	30.6 C (87.1 F)	29 of 100 (Routine)
Madakasira	India	Record daily precipitation	80.0 mm (3.1 in)	28 of 100 (Routine)
Karimganj	India	Record daily precipitation	61.0 mm (2.4 in)	28 of 100 (Routine)
Harapanahalli	India	Record daily precipitation	72.4 mm (2.9 in)	28 of 100 (Routine)
Aztec Ruins Nm	United States	Record high maximum temperature	30.0 C (86.0 F)	28 of 100 (Routine)
Beaver	United States	Record high minimum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Paragonah	United States	Record high maximum temperature	31.1 C (88.0 F)	28 of 100 (Routine)
Stewart	Canada	Record high maximum temperature	22.8 C (73.0 F)	27 of 100 (Routine)
Pavagada	India	Record daily precipitation	69.0 mm (2.7 in)	27 of 100 (Routine)
Celaya (Smn)	Mexico	Record low minimum temperature	5.6 C (42.1 F)	27 of 100 (Routine)
Achinsk	Russia	Record high minimum temperature	10.5 C (50.9 F)	27 of 100 (Routine)
Rawsonville (Pol)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	27 of 100 (Routine)
Grover 10 W	United States	Record high minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Kimball 2NE	United States	Record high maximum temperature	31.1 C (88.0 F)	27 of 100 (Routine)
Bloomfield 3 SE	United States	Record high minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Logan Utah St UNIV	United States	Record high minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Newcastle	United States	Record high minimum temperature	13.9 C (57.0 F)	27 of 100 (Routine)
Mtn View 91	United States	Record daily precipitation	99.8 mm (3.9 in)	27 of 100 (Routine)
Kanekal	India	Record daily precipitation	89.0 mm (3.5 in)	26 of 100 (Routine)
Driggs	United States	Record high minimum temperature	7.8 C (46.0 F)	26 of 100 (Routine)
Billings Wtp	United States	Record high minimum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Morrisville 6 SW	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Elberta	United States	Record high minimum temperature	18.3 C (64.9 F)	26 of 100 (Routine)
Oak City	United States	Record high minimum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Powell	United States	Record high minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Tacaratu	Brazil	Record daily precipitation	60.2 mm (2.4 in)	25 of 100 (Routine)
Haparanda	Sweden	Record low minimum temperature	-4.1 C (24.6 F)	25 of 100 (Routine)
Sierraville Rs	United States	Record high minimum temperature	10.6 C (51.1 F)	25 of 100 (Routine)
Buena Vista 2S	United States	Record high maximum temperature	28.3 C (82.9 F)	25 of 100 (Routine)
Canon City	United States	Record high maximum temperature	31.7 C (89.1 F)	25 of 100 (Routine)
Alma	United States	Record high maximum temperature	35.0 C (95.0 F)	25 of 100 (Routine)
Bridgeport	United States	Record high maximum temperature	32.8 C (91.0 F)	25 of 100 (Routine)
Addison	United States	Record low maximum temperature	12.2 C (54.0 F)	25 of 100 (Routine)
Henrietta	United States	Record low minimum temperature	7.2 C (45.0 F)	25 of 100 (Routine)
Gudauri	Georgia	Record daily precipitation	25.3 mm (1.0 in)	24 of 100 (Routine)
Kodanand	India	Record daily precipitation	58.7 mm (2.3 in)	24 of 100 (Routine)
Burlington	United States	Record high maximum temperature	33.3 C (91.9 F)	24 of 100 (Routine)
Saint Francis	United States	Record high maximum temperature	36.1 C (97.0 F)	24 of 100 (Routine)
Adaven	United States	Record high maximum temperature	32.8 C (91.0 F)	24 of 100 (Routine)
Beaver	United States	Record high maximum temperature	32.8 C (91.0 F)	24 of 100 (Routine)
Escalante	United States	Record high maximum temperature	29.4 C (84.9 F)	24 of 100 (Routine)

Counts by Type and Timescale

410 records

Records set or tied on 24 September 1966 by type: Highest daily maximum 127, Lowest daily maximum 21, Highest daily minimum 112, Lowest daily minimum 38, Heaviest daily rainfall 111, Deepest snow cover 1.

Records on 24 September 1966 by type
Record type	Records
Highest daily maximum	127
Lowest daily maximum	21
Highest daily minimum	112
Lowest daily minimum	38
Heaviest daily rainfall	111
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 24 September 1966 by timescale: all-time 0, monthly 5, daily 405.

How Much Records Were Beaten By

308 broken records

Margins by which the 308 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.0. Ties are not counted.

Top 20 by Significance

24 September 1966

Top 20 records on 24 September 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 1966	Pahala 21, US	daily rain	83.6 mm (3.3 in)	60.5 mm (2.4 in)	17 years	51 of 100 (Notable)
24 September 1966	Dubari, IN	daily rain	55.4 mm (2.2 in)	41.9 mm (1.6 in)	20 years	49 of 100 (Notable)
24 September 1966	Bom Jesus, BR	daily rain	34.3 mm (1.4 in)	34.3 mm (1.4 in)	32 years	46 of 100 (Notable)
24 September 1966	Estancia, BR	daily rain	45.3 mm (1.8 in)	28.8 mm (1.1 in)	1 year	41 of 100 (Notable)
24 September 1966	Naalehu 14, US	daily rain	80.0 mm (3.1 in)	40.9 mm (1.6 in)	17 years	41 of 100 (Notable)
24 September 1966	Suolovuopmi, NO	daily snow depth	12.0 cm (4.7 in)	7.0 cm (2.8 in)	48 years	39 of 100 (Notable)
24 September 1966	Napoklu, IN	daily rain	74.2 mm (2.9 in)	21.1 mm (0.8 in)	47 years	36 of 100 (Notable)
24 September 1966	Thalipilly, IN	daily rain	66.8 mm (2.6 in)	32.8 mm (1.3 in)	27 years	32 of 100 (Routine)
24 September 1966	Castle Rock, US	daily high min	12.2 C (54.0 F)	2.2 C (4.0 F)	68 years	32 of 100 (Routine)
24 September 1966	Titusville, US	daily low min	15.6 C (60.1 F)	2.2 C (4.0 F)	49 years	32 of 100 (Routine)
24 September 1966	La Plaisante, ZA	daily rain	25.4 mm (1.0 in)	15.2 mm (0.6 in)	36 years	31 of 100 (Routine)
24 September 1966	Mecca Fire STN, US	daily high min	27.2 C (81.0 F)	3.9 C (7.0 F)	52 years	31 of 100 (Routine)
24 September 1966	Kanjirapally, IN	daily rain	102.4 mm (4.0 in)	23.7 mm (0.9 in)	48 years	30 of 100 (Routine)
24 September 1966	Deseret, US	daily high min	14.4 C (57.9 F)	2.7 C (4.9 F)	60 years	30 of 100 (Routine)
24 September 1966	Utah Lake Lehi, US	daily high max	31.7 C (89.1 F)	2.8 C (5.0 F)	60 years	30 of 100 (Routine)
24 September 1966	Pahoa 65, US	daily rain	111.5 mm (4.4 in)	11.2 mm (0.4 in)	55 years	30 of 100 (Routine)
24 September 1966	Boulder, US	daily high min	17.8 C (64.0 F)	1.1 C (2.0 F)	68 years	29 of 100 (Routine)
24 September 1966	Rocky Ford 2 SE, US	daily high max	35.6 C (96.1 F)	2.8 C (5.0 F)	57 years	29 of 100 (Routine)
24 September 1966	Detroit, US	daily high min	10.6 C (51.1 F)	0.6 C (1.1 F)	70 years	29 of 100 (Routine)
24 September 1966	Logan Utah St UNIV, US	daily high max	30.6 C (87.1 F)	1.2 C (2.2 F)	67 years	29 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1803 to 1966

Records set or tied on this calendar date in each year from 1803 to 1966. 1966 had 410 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-24 in each year
Year	Records
1803	1
1835	1
1836	1
1842	1
1847	1
1852	2
1854	2
1857	2
1858	1
1859	1
1860	1
1863	1
1864	1
1865	1
1866	1
1867	2
1868	1
1870	3
1871	1
1872	1
1873	1
1874	2
1875	2
1876	1
1877	3
1878	2
1881	5
1884	1
1885	2
1887	1
1889	5
1890	1
1891	2
1892	5
1893	1
1894	2
1895	7
1896	2
1898	1
1899	4
1900	5
1901	3
1902	10
1903	8
1904	9
1905	7
1906	5
1907	20
1908	23
1909	31
1910	8
1911	11
1912	49
1913	9
1914	23
1915	159
1916	253
1917	87
1918	7
1919	26
1920	69
1921	23
1922	49
1923	70
1924	175
1925	146
1926	630
1927	194
1928	603
1929	137
1930	488
1931	463
1932	354
1933	424
1934	367
1935	449
1936	329
1937	237
1938	355
1939	331
1940	319
1941	319
1942	918
1943	413
1944	334
1945	475
1946	425
1947	704
1948	422
1949	554
1950	778
1951	580
1952	425
1953	346
1954	269
1955	577
1956	427
1957	370
1958	725
1959	414
1960	487
1961	680
1962	360
1963	715
1964	329
1965	624
1966	410
1967	394
1968	433
1969	278
1970	1,046
1971	485
1972	480
1973	1,208
1974	1,204
1975	1,116
1976	556
1977	814
1978	619
1979	577
1980	633
1981	604
1982	702
1983	1,128
1984	1,565
1985	771
1986	1,207
1987	729
1988	740
1989	1,668
1990	969
1991	519
1992	1,250
1993	1,055
1994	842
1995	1,251
1996	676
1997	1,238
1998	945
1999	933
2000	1,966
2001	1,097
2002	885
2003	863
2004	600
2005	1,256
2006	1,306
2007	1,244
2008	633
2009	866
2010	1,340
2011	770
2012	545
2013	514
2014	764
2015	770
2016	732
2017	1,402
2018	497
2019	516
2020	754
2021	457
2022	395
2023	689
2024	778
2025	576
2026	389

Download the Data

Data for records on 1966-09-24: CSV or JSON. Field meanings are on the data page.

Sources: 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)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	276
10 to 20	20
20 to 30	5
30 to 40	3
40 to 50	2
50 to 60	0
60 to 70	2