Weather Records on 26 September 1966

480 weather records were set or tied worldwide on 26 September 1966. Highest significance: Pacatuba (Pacatiba), BR.

Key Facts for 26 September 1966

On 26 September 1966, 480 weather records were set or tied at long-record stations worldwide.
148 were record highs and 99 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 460 daily.
Pacatuba (Pacatiba) set a monthly record daily precipitation of 76.4 mm (3.0 in) on 26 September 1966.
Across 167 earlier years (1812 to 2026) the same calendar date averaged 413 records.

Record Map

480 stations

480 station records on 26 September 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 26 September 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pacatuba (Pacatiba)	Brazil	Record daily precipitation	76.4 mm (3.0 in)	67 of 100 (Major)
Senador Pompeu	Brazil	Record daily precipitation	77.2 mm (3.0 in)	61 of 100 (Major)
Mineirolandia	Brazil	Record daily precipitation	97.0 mm (3.8 in)	61 of 100 (Major)
Agua Branca	Brazil	Record daily precipitation	50.0 mm (2.0 in)	61 of 100 (Major)
Porto Real Do Colegio	Brazil	Record daily precipitation	57.1 mm (2.2 in)	61 of 100 (Major)
Acude Nova Floresta	Brazil	Record daily precipitation	89.6 mm (3.5 in)	59 of 100 (Notable)
Bolivar 1 NE	United States	Record daily precipitation	117.6 mm (4.6 in)	59 of 100 (Notable)
Jaguaribe	Brazil	Record daily precipitation	51.4 mm (2.0 in)	55 of 100 (Notable)
Arukutty	India	Record daily precipitation	128.3 mm (5.1 in)	55 of 100 (Notable)
Chatrapatti	India	Record daily precipitation	96.0 mm (3.8 in)	55 of 100 (Notable)
Propria	Brazil	Record daily precipitation	58.5 mm (2.3 in)	54 of 100 (Notable)
Serra Caiada	Brazil	Record daily precipitation	40.8 mm (1.6 in)	54 of 100 (Notable)
Itaporanga (Misericordia)	Brazil	Record daily precipitation	26.5 mm (1.0 in)	53 of 100 (Notable)
Aquidaba	Brazil	Record daily precipitation	75.0 mm (3.0 in)	52 of 100 (Notable)
Pereiro	Brazil	Record daily precipitation	86.5 mm (3.4 in)	51 of 100 (Notable)
Alhandra	Brazil	Record daily precipitation	48.9 mm (1.9 in)	51 of 100 (Notable)
Mundagod	India	Record daily precipitation	80.0 mm (3.1 in)	51 of 100 (Notable)
Penedo	Brazil	Record daily precipitation	42.0 mm (1.7 in)	50 of 100 (Notable)
Pao de Acucar	Brazil	Record daily precipitation	29.0 mm (1.1 in)	49 of 100 (Notable)
Sao Miguel Dos Campos	Brazil	Record daily precipitation	66.2 mm (2.6 in)	49 of 100 (Notable)
Nellore	India	Record daily precipitation	71.9 mm (2.8 in)	49 of 100 (Notable)
Gudur	India	Record daily precipitation	85.0 mm (3.3 in)	49 of 100 (Notable)
Pedra Branca	Brazil	Record daily precipitation	69.3 mm (2.7 in)	45 of 100 (Notable)
Lagoa da Canoa	Brazil	Record daily precipitation	30.0 mm (1.2 in)	45 of 100 (Notable)
Arhangelsk	Russia	Record low minimum temperature	-7.5 C (18.5 F)	45 of 100 (Notable)
Palmeiro Dos Indios	Brazil	Record daily precipitation	32.1 mm (1.3 in)	44 of 100 (Notable)
Kamuthi	India	Record daily precipitation	47.5 mm (1.9 in)	42 of 100 (Notable)
Poco Das Trincheiras	Brazil	Record daily precipitation	42.8 mm (1.7 in)	40 of 100 (Notable)
Nanguneri	India	Record daily precipitation	58.0 mm (2.3 in)	40 of 100 (Notable)
Marcelino Vieira (Panatis)	Brazil	Record daily precipitation	42.2 mm (1.7 in)	39 of 100 (Notable)
Canguaretama	Brazil	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Palani	India	Record daily precipitation	55.0 mm (2.2 in)	38 of 100 (Notable)
Beaudesert Cryna	Australia	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Bajramaly	Turkmenistan	Record high minimum temperature	20.3 C (68.5 F)	36 of 100 (Notable)
Ennore Obsy	India	Record daily precipitation	89.6 mm (3.5 in)	35 of 100 (Notable)
Ashland	United States	Record low maximum temperature	13.3 C (55.9 F)	35 of 100 (Notable)
Taipu	Brazil	Record daily precipitation	25.3 mm (1.0 in)	34 of 100 (Routine)
Chardzhev	Turkmenistan	Record high minimum temperature	20.1 C (68.2 F)	34 of 100 (Routine)
Gyshgy	Turkmenistan	Record high minimum temperature	18.0 C (64.4 F)	34 of 100 (Routine)
Bidar	India	Record daily precipitation	74.0 mm (2.9 in)	33 of 100 (Routine)
Huajuapan de Leon (Smn)	Mexico	Record daily precipitation	43.9 mm (1.7 in)	33 of 100 (Routine)
Portage Wwtp	United States	Record low minimum temperature	-3.9 C (25.0 F)	32 of 100 (Routine)
Japaratuba	Brazil	Record daily precipitation	42.6 mm (1.7 in)	31 of 100 (Routine)
Ponneri	India	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Cambridge City 3 N	United States	Record low maximum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Andenes	Norway	Record low minimum temperature	-1.2 C (29.8 F)	30 of 100 (Routine)
Enisejsk	Russia	Record high maximum temperature	22.6 C (72.7 F)	30 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Delaware	United States	Record low maximum temperature	11.7 C (53.1 F)	30 of 100 (Routine)
Mettupalayam	India	Record daily precipitation	55.0 mm (2.2 in)	29 of 100 (Routine)
Karesuando	Sweden	Record low minimum temperature	-10.1 C (13.8 F)	29 of 100 (Routine)
Highmore	United States	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Viroqua	United States	Record low minimum temperature	-2.8 C (27.0 F)	29 of 100 (Routine)
Sundance	United States	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Washington 1 W	United States	Record low maximum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Piacabucu	Brazil	Record daily precipitation	30.0 mm (1.2 in)	27 of 100 (Routine)
Ludington 4 SE	United States	Record low minimum temperature	-1.1 C (30.0 F)	27 of 100 (Routine)
Parkdale	United States	Record high minimum temperature	11.7 C (53.1 F)	27 of 100 (Routine)
Avoca Beach	Australia	Record daily precipitation	40.6 mm (1.6 in)	26 of 100 (Routine)
Shawnigan Lake	Canada	Record high minimum temperature	12.8 C (55.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

480 records

Records set or tied on 26 September 1966 by type: Highest daily maximum 64, Lowest daily maximum 56, Highest daily minimum 84, Lowest daily minimum 43, Heaviest daily rainfall 229, Deepest snow cover 4.

Records on 26 September 1966 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	56
Highest daily minimum	84
Lowest daily minimum	43
Heaviest daily rainfall	229
Heaviest daily snowfall	0
Deepest snow cover	4

Records on 26 September 1966 by timescale: all-time 0, monthly 20, daily 460.

How Much Records Were Beaten By

399 broken records

Margins by which the 399 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.4. Ties are not counted.

Top 20 by Significance

26 September 1966

Top 20 records on 26 September 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
26 September 1966	Pacatuba (Pacatiba), BR	monthly rain	76.4 mm (3.0 in)	37.4 mm (1.5 in)	44 years	67 of 100 (Major)
26 September 1966	Senador Pompeu, BR	monthly rain	77.2 mm (3.0 in)	50.6 mm (2.0 in)	21 years	61 of 100 (Major)
26 September 1966	Mineirolandia, BR	monthly rain	97.0 mm (3.8 in)	48.7 mm (1.9 in)	27 years	61 of 100 (Major)
26 September 1966	Agua Branca, BR	daily rain	50.0 mm (2.0 in)	39.6 mm (1.6 in)	53 years	61 of 100 (Major)
26 September 1966	Porto Real Do Colegio, BR	daily rain	57.1 mm (2.2 in)	43.9 mm (1.7 in)	53 years	61 of 100 (Major)
26 September 1966	Acude Nova Floresta, BR	monthly rain	89.6 mm (3.5 in)	68.0 mm (2.7 in)	17 years	59 of 100 (Notable)
26 September 1966	Bolivar 1 NE, US	daily rain	117.6 mm (4.6 in)	88.4 mm (3.5 in)	48 years	59 of 100 (Notable)
26 September 1966	Jaguaribe, BR	monthly rain	51.4 mm (2.0 in)	32.4 mm (1.3 in)	27 years	55 of 100 (Notable)
26 September 1966	Arukutty, IN	daily rain	128.3 mm (5.1 in)	66.1 mm (2.6 in)	53 years	55 of 100 (Notable)
26 September 1966	Chatrapatti, IN	daily rain	96.0 mm (3.8 in)	64.0 mm (2.5 in)	32 years	55 of 100 (Notable)
26 September 1966	Propria, BR	daily rain	58.5 mm (2.3 in)	50.4 mm (2.0 in)	35 years	54 of 100 (Notable)
26 September 1966	Serra Caiada, BR	monthly rain	40.8 mm (1.6 in)	20.9 mm (0.8 in)	2 years	54 of 100 (Notable)
26 September 1966	Itaporanga (Misericordia), BR	daily rain	26.5 mm (1.0 in)	24.6 mm (1.0 in)	47 years	53 of 100 (Notable)
26 September 1966	Aquidaba, BR	monthly rain	75.0 mm (3.0 in)	24.7 mm (1.0 in)	2 years	52 of 100 (Notable)
26 September 1966	Pereiro, BR	monthly rain	86.5 mm (3.4 in)	23.5 mm (0.9 in)	45 years	51 of 100 (Notable)
26 September 1966	Alhandra, BR	daily rain	48.9 mm (1.9 in)	36.3 mm (1.4 in)	28 years	51 of 100 (Notable)
26 September 1966	Mundagod, IN	daily rain	80.0 mm (3.1 in)	33.5 mm (1.3 in)	36 years	51 of 100 (Notable)
26 September 1966	Penedo, BR	daily rain	42.0 mm (1.7 in)	23.4 mm (0.9 in)	53 years	50 of 100 (Notable)
26 September 1966	Pao de Acucar, BR	daily rain	29.0 mm (1.1 in)	25.8 mm (1.0 in)	15 years	49 of 100 (Notable)
26 September 1966	Sao Miguel Dos Campos, BR	daily rain	66.2 mm (2.6 in)	39.1 mm (1.5 in)	16 years	49 of 100 (Notable)

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

1812 to 1966

Records set or tied on this calendar date in each year from 1812 to 1966. 1966 had 480 records.

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

Records on 09-26 in each year
Year	Records
1812	2
1816	1
1825	2
1835	1
1836	1
1842	1
1843	1
1845	1
1852	1
1855	2
1858	1
1859	1
1864	1
1865	2
1866	2
1867	1
1868	1
1869	1
1870	1
1871	1
1874	2
1875	1
1876	1
1877	2
1878	3
1879	2
1880	1
1881	7
1882	1
1885	6
1889	1
1890	2
1891	2
1892	1
1893	3
1894	4
1895	8
1896	4
1897	1
1898	2
1899	5
1900	5
1901	6
1902	8
1903	11
1904	9
1905	20
1906	11
1907	9
1908	31
1909	14
1910	11
1911	19
1912	29
1913	29
1914	24
1915	71
1916	111
1917	49
1918	34
1919	39
1920	66
1921	33
1922	277
1923	89
1924	148
1925	162
1926	658
1927	233
1928	427
1929	183
1930	382
1931	437
1932	183
1933	554
1934	415
1935	248
1936	337
1937	175
1938	429
1939	514
1940	634
1941	233
1942	752
1943	526
1944	243
1945	470
1946	285
1947	630
1948	554
1949	430
1950	526
1951	540
1952	572
1953	364
1954	471
1955	304
1956	701
1957	510
1958	493
1959	505
1960	555
1961	472
1962	401
1963	629
1964	570
1965	710
1966	480
1967	411
1968	311
1969	187
1970	721
1971	649
1972	984
1973	927
1974	854
1975	1,215
1976	692
1977	943
1978	469
1979	566
1980	709
1981	559
1982	1,042
1983	565
1984	1,256
1985	470
1986	1,892
1987	911
1988	445
1989	1,008
1990	618
1991	1,110
1992	725
1993	814
1994	548
1995	836
1996	807
1997	943
1998	1,505
1999	869
2000	1,440
2001	1,354
2002	861
2003	739
2004	507
2005	1,541
2006	620
2007	970
2008	896
2009	1,063
2010	1,063
2011	988
2012	538
2013	774
2014	800
2015	815
2016	660
2017	1,045
2018	747
2019	561
2020	1,170
2021	494
2022	533
2023	543
2024	1,196
2025	435
2026	393

Download the Data

Data for records on 1966-09-26: 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 20	357
20 to 40	27
40 to 60	9
60 to 80	5
80 to 100	1