Weather Records on 21 November 1966

589 weather records were set or tied worldwide on 21 November 1966. Highest significance: Narasannapeta, IN.

Key Facts for 21 November 1966

On 21 November 1966, 589 weather records were set or tied at long-record stations worldwide.
312 were record highs and 50 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 577 daily.
Narasannapeta set a daily record precipitation of 155.0 mm (6.1 in) on 21 November 1966.
Across 159 earlier years (1803 to 2025) the same calendar date averaged 449 records.

Record Map

589 stations

589 station records on 21 November 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 November 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Narasannapeta	India	Record daily precipitation	155.0 mm (6.1 in)	52 of 100 (Notable)
Sao Jose Do Egito	Brazil	Record daily precipitation	29.9 mm (1.2 in)	49 of 100 (Notable)
Srikakulam	India	Record daily precipitation	125.8 mm (5.0 in)	49 of 100 (Notable)
Dolphin@S Nose Obsy	India	Record daily precipitation	206.0 mm (8.1 in)	48 of 100 (Notable)
Kahuku 912	United States	Record daily precipitation	165.1 mm (6.5 in)	48 of 100 (Notable)
Palmares	Brazil	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Bhagwanpur	India	Record daily precipitation	46.7 mm (1.8 in)	42 of 100 (Notable)
Ibicua	Brazil	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record low minimum temperature	-2.7 C (27.1 F)	41 of 100 (Notable)
Macklin	Canada	Record daily snowfall	8.4 cm (3.3 in)	40 of 100 (Notable)
Bobbili	India	Record daily precipitation	100.0 mm (3.9 in)	40 of 100 (Notable)
Ranibandh	India	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Crockett	United States	Record daily precipitation	32.8 mm (1.3 in)	39 of 100 (Notable)
Santa Luzia	Brazil	Record daily precipitation	54.0 mm (2.1 in)	37 of 100 (Notable)
Chipurupally	India	Record daily precipitation	78.0 mm (3.1 in)	37 of 100 (Notable)
Oran-Hopital Militaire	Algeria	Record low minimum temperature	3.0 C (37.4 F)	36 of 100 (Notable)
Kalingapatam	India	Record daily precipitation	79.6 mm (3.1 in)	36 of 100 (Notable)
Wastina Hemaruka	Canada	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Ilhota-Jusante	Brazil	Record daily precipitation	60.4 mm (2.4 in)	34 of 100 (Routine)
Vertentes	Brazil	Record daily precipitation	34.4 mm (1.4 in)	34 of 100 (Routine)
Waseca	Canada	Record daily snowfall	6.4 cm (2.5 in)	34 of 100 (Routine)
Pundi	India	Record daily precipitation	68.6 mm (2.7 in)	34 of 100 (Routine)
Vacaville	United States	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
Barraba (Mount Lindsay)	Australia	Record daily precipitation	30.7 mm (1.2 in)	32 of 100 (Routine)
Calgary Int'l A	Canada	Record daily snowfall	8.4 cm (3.3 in)	32 of 100 (Routine)
Reitfontein	South Africa	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Setauket Strong	United States	Record low minimum temperature	-5.6 C (21.9 F)	32 of 100 (Routine)
Fairbanks Intl AP	United States	Record snow depth	66.0 cm (26.0 in)	32 of 100 (Routine)
Safford	United States	Record high maximum temperature	28.3 C (82.9 F)	31 of 100 (Routine)
Cortez	United States	Record high minimum temperature	6.1 C (43.0 F)	31 of 100 (Routine)
Delta	United States	Record high maximum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Levan	United States	Record high minimum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Leader	Canada	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Simferopol	Ukraine	Record high minimum temperature	11.0 C (51.8 F)	29 of 100 (Routine)
Dunsmuir	United States	Record daily precipitation	46.0 mm (1.8 in)	29 of 100 (Routine)
Cloud Chief 2 SE	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Brooks Ahrc	Canada	Record daily snowfall	5.1 cm (2.0 in)	28 of 100 (Routine)
Aspen	United States	Record high maximum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Columbus	United States	Record high maximum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Appleton City	United States	Record high maximum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Anadarko 3 E	United States	Record high maximum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Flagstaff AP	United States	Record high minimum temperature	5.0 C (41.0 F)	28 of 100 (Routine)
Forest Glen	United States	Record daily precipitation	68.6 mm (2.7 in)	27 of 100 (Routine)
Portola	United States	Record daily snowfall	20.3 cm (8.0 in)	27 of 100 (Routine)
Colchester 2 W	United States	Record low minimum temperature	-12.2 C (10.0 F)	27 of 100 (Routine)
Springview 2NW	United States	Record high minimum temperature	4.4 C (39.9 F)	27 of 100 (Routine)
Sussex 1 NW	United States	Record low minimum temperature	-10.6 C (12.9 F)	27 of 100 (Routine)
Aztec Ruins Nm	United States	Record high minimum temperature	3.9 C (39.0 F)	27 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record high maximum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Palpan	Mexico	Record low minimum temperature	5.0 C (41.0 F)	26 of 100 (Routine)
Coimbra	Portugal	Record low minimum temperature	1.6 C (34.9 F)	26 of 100 (Routine)
Grover 10 W	United States	Record high maximum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Paonia 1SW	United States	Record high minimum temperature	4.4 C (39.9 F)	26 of 100 (Routine)
Lawrence	United States	Record high maximum temperature	23.3 C (73.9 F)	26 of 100 (Routine)
Leavenworth	United States	Record high maximum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Ottawa	United States	Record high maximum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
La Sal	United States	Record high minimum temperature	4.4 C (39.9 F)	26 of 100 (Routine)
Kellerberrin	Australia	Record high minimum temperature	20.1 C (68.2 F)	25 of 100 (Routine)
Gleichen	Canada	Record daily snowfall	10.2 cm (4.0 in)	25 of 100 (Routine)
Humboldt	Canada	Record daily snowfall	5.1 cm (2.0 in)	25 of 100 (Routine)

Counts by Type and Timescale

589 records

Records set or tied on 21 November 1966 by type: Highest daily maximum 142, Lowest daily maximum 8, Highest daily minimum 170, Lowest daily minimum 42, Heaviest daily rainfall 173, Heaviest daily snowfall 46, Deepest snow cover 8.

Records on 21 November 1966 by type
Record type	Records
Highest daily maximum	142
Lowest daily maximum	8
Highest daily minimum	170
Lowest daily minimum	42
Heaviest daily rainfall	173
Heaviest daily snowfall	46
Deepest snow cover	8

Records on 21 November 1966 by timescale: all-time 0, monthly 12, daily 577.

How Much Records Were Beaten By

428 broken records

Margins by which the 428 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 170.4. Ties are not counted.

Top 20 by Significance

21 November 1966

Top 20 records on 21 November 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 November 1966	Narasannapeta, IN	daily rain	155.0 mm (6.1 in)	138.7 mm (5.5 in)	44 years	52 of 100 (Notable)
21 November 1966	Sao Jose Do Egito, BR	daily rain	29.9 mm (1.2 in)	29.9 mm (1.2 in)	52 years	49 of 100 (Notable)
21 November 1966	Srikakulam, IN	daily rain	125.8 mm (5.0 in)	97.9 mm (3.9 in)	44 years	49 of 100 (Notable)
21 November 1966	Dolphin@S Nose Obsy, IN	daily rain	206.0 mm (8.1 in)	170.4 mm (6.7 in)	8 years	48 of 100 (Notable)
21 November 1966	Kahuku 912, US	daily rain	165.1 mm (6.5 in)	102.1 mm (4.0 in)	8 years	48 of 100 (Notable)
21 November 1966	Palmares, BR	daily rain	49.0 mm (1.9 in)	31.8 mm (1.3 in)	28 years	43 of 100 (Notable)
21 November 1966	Bhagwanpur, IN	daily rain	46.7 mm (1.8 in)	46.7 mm (1.8 in)	57 years	42 of 100 (Notable)
21 November 1966	Ibicua, BR	daily rain	30.0 mm (1.2 in)	23.9 mm (0.9 in)	44 years	41 of 100 (Notable)
21 November 1966	Dublin Phoenix Park, IE	daily low min	-2.7 C (27.1 F)	2.1 C (3.8 F)	85 years	41 of 100 (Notable)
21 November 1966	Macklin, CA	daily snowfall	8.4 cm (3.3 in)	6.4 cm (2.5 in)	20 years	40 of 100 (Notable)
21 November 1966	Bobbili, IN	daily rain	100.0 mm (3.9 in)	53.0 mm (2.1 in)	32 years	40 of 100 (Notable)
21 November 1966	Ranibandh, IN	daily rain	30.0 mm (1.2 in)	27.5 mm (1.1 in)	32 years	40 of 100 (Notable)
21 November 1966	Crockett, US	daily rain	32.8 mm (1.3 in)	19.3 mm (0.8 in)	44 years	39 of 100 (Notable)
21 November 1966	Santa Luzia, BR	daily rain	54.0 mm (2.1 in)	30.0 mm (1.2 in)	48 years	37 of 100 (Notable)
21 November 1966	Chipurupally, IN	daily rain	78.0 mm (3.1 in)	55.1 mm (2.2 in)	44 years	37 of 100 (Notable)
21 November 1966	Oran-Hopital Militaire, DZ	daily low min	3.0 C (37.4 F)	1.0 C (1.8 F)	77 years	36 of 100 (Notable)
21 November 1966	Kalingapatam, IN	daily rain	79.6 mm (3.1 in)	57.8 mm (2.3 in)	44 years	36 of 100 (Notable)
21 November 1966	Wastina Hemaruka, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	52 years	35 of 100 (Notable)
21 November 1966	Ilhota-Jusante, BR	daily rain	60.4 mm (2.4 in)	40.8 mm (1.6 in)	8 years	34 of 100 (Routine)
21 November 1966	Vertentes, BR	daily rain	34.4 mm (1.4 in)	28.1 mm (1.1 in)	15 years	34 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 589 records.

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

Records on 11-21 in each year
Year	Records
1803	1
1816	2
1821	2
1829	1
1835	1
1839	1
1844	1
1847	1
1855	1
1856	1
1857	1
1858	4
1866	1
1868	1
1870	2
1871	2
1872	1
1873	2
1874	1
1876	2
1879	4
1880	4
1881	1
1882	1
1883	3
1887	3
1889	1
1890	7
1893	1
1894	4
1896	1
1897	4
1898	3
1899	4
1900	7
1901	5
1902	7
1903	5
1904	9
1905	3
1906	14
1907	7
1908	9
1909	18
1910	23
1911	19
1912	14
1913	79
1914	51
1915	21
1916	66
1917	248
1918	12
1919	22
1920	36
1921	96
1922	42
1923	27
1924	104
1925	73
1926	420
1927	108
1928	109
1929	467
1930	243
1931	682
1932	162
1933	381
1934	578
1935	62
1936	192
1937	1,309
1938	119
1939	303
1940	337
1941	329
1942	662
1943	212
1944	250
1945	308
1946	604
1947	540
1948	414
1949	588
1950	904
1951	605
1952	424
1953	408
1954	927
1955	419
1956	624
1957	442
1958	407
1959	460
1960	691
1961	738
1962	524
1963	601
1964	1,014
1965	448
1966	589
1967	336
1968	358
1969	611
1970	400
1971	514
1972	735
1973	1,100
1974	809
1975	548
1976	315
1977	1,313
1978	1,034
1979	1,409
1980	805
1981	939
1982	807
1983	1,066
1984	525
1985	1,808
1986	815
1987	949
1988	928
1989	797
1990	1,337
1991	944
1992	1,375
1993	1,413
1994	1,179
1995	1,084
1996	1,882
1997	449
1998	1,312
1999	920
2000	1,191
2001	811
2002	847
2003	1,007
2004	873
2005	491
2006	1,181
2007	936
2008	1,079
2009	1,131
2010	894
2011	944
2012	792
2013	543
2014	815
2015	785
2016	1,000
2017	687
2018	391
2019	653
2020	421
2021	296
2022	824
2023	584
2024	519
2025	745

Download the Data

Data for records on 1966-11-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 25	382
25 to 50	23
50 to 75	16
75 to 100	1
100 to 125	2
125 to 150	3
150 to 175	1