Weather Records on 21 October 1991

877 weather records were set or tied worldwide on 21 October 1991. Highest significance: Bhubaneswar, IN.

Key Facts for 21 October 1991

On 21 October 1991, 877 weather records were set or tied at long-record stations worldwide.
450 were record highs and 268 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 862 daily.
Bhubaneswar set a daily record precipitation of 163.1 mm (6.4 in) on 21 October 1991.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 417 records.

Record Map

877 stations

877 station records on 21 October 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bhubaneswar	India	Record daily precipitation	163.1 mm (6.4 in)	65 of 100 (Major)
Etwa (Bos)	South Africa	Record daily precipitation	90.0 mm (3.5 in)	57 of 100 (Notable)
Pryshyb	Ukraine	Record daily precipitation	101.1 mm (4.0 in)	54 of 100 (Notable)
Korf	Russia	Record daily precipitation	27.3 mm (1.1 in)	49 of 100 (Notable)
Bloemfontein Airpor	South Africa	Record daily precipitation	64.5 mm (2.5 in)	49 of 100 (Notable)
Oktjabrskij-Gorodok	Russia	Record high maximum temperature	23.0 C (73.4 F)	48 of 100 (Notable)
Henichesk	Ukraine	Record high minimum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Calkini (Smn)	Mexico	Record daily precipitation	67.8 mm (2.7 in)	44 of 100 (Notable)
Morelos 77	Mexico	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Buzau	Romania	Record daily precipitation	27.2 mm (1.1 in)	42 of 100 (Notable)
Turnu Magurele	Romania	Record daily precipitation	36.4 mm (1.4 in)	42 of 100 (Notable)
Cavalier 7NW	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Simferopol	Ukraine	Record high minimum temperature	16.5 C (61.7 F)	40 of 100 (Notable)
Kazan	Russia	Record high maximum temperature	16.3 C (61.3 F)	39 of 100 (Notable)
Kursk	Russia	Record high minimum temperature	9.3 C (48.7 F)	39 of 100 (Notable)
Placerville	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Osceola	United States	Record low minimum temperature	-5.0 C (23.0 F)	39 of 100 (Notable)
Mundaring	Australia	Record daily precipitation	37.4 mm (1.5 in)	38 of 100 (Notable)
Rosiori de Vede	Romania	Record daily precipitation	28.5 mm (1.1 in)	38 of 100 (Notable)
Zametchino	Russia	Record high minimum temperature	10.1 C (50.2 F)	38 of 100 (Notable)
Las Pocitas	Mexico	Record low maximum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Acatzingo de Hidalgo	Mexico	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
Wrixum/Fohr	Germany	Record low minimum temperature	-1.3 C (29.7 F)	36 of 100 (Notable)
Bezenchuk	Russia	Record high maximum temperature	22.9 C (73.2 F)	36 of 100 (Notable)
Boontjieskraal	South Africa	Record daily precipitation	33.1 mm (1.3 in)	36 of 100 (Notable)
Yosemite Park HQ	United States	Record high minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Nordby (Fano)	Denmark	Record low minimum temperature	-2.0 C (28.4 F)	35 of 100 (Notable)
Elatma	Russia	Record high minimum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record low minimum temperature	-3.6 C (25.5 F)	34 of 100 (Routine)
Aralskoe More	Kazakhstan	Record high maximum temperature	22.0 C (71.6 F)	34 of 100 (Routine)
Voronez	Russia	Record high minimum temperature	12.3 C (54.1 F)	34 of 100 (Routine)
Kamennaja-Step	Russia	Record high maximum temperature	21.0 C (69.8 F)	34 of 100 (Routine)
Riethoek	South Africa	Record daily precipitation	75.3 mm (3.0 in)	34 of 100 (Routine)
Tatarsk	Russia	Record high minimum temperature	9.0 C (48.2 F)	33 of 100 (Routine)
Poltava	Ukraine	Record high minimum temperature	12.3 C (54.1 F)	33 of 100 (Routine)
Auburn	United States	Record high maximum temperature	33.3 C (91.9 F)	33 of 100 (Routine)
Moscow U of I	United States	Record high minimum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Craiova	Romania	Record daily precipitation	32.9 mm (1.3 in)	32 of 100 (Routine)
Voronez	Russia	Record high maximum temperature	19.3 C (66.7 F)	32 of 100 (Routine)
Mazelspoort Dam	South Africa	Record daily precipitation	33.5 mm (1.3 in)	32 of 100 (Routine)
Bowie	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
N Fk Rs	United States	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Santiago Ixcuintla	Mexico	Record high maximum temperature	40.0 C (104.0 F)	31 of 100 (Routine)
Suphan Buri	Thailand	Record daily precipitation	75.9 mm (3.0 in)	31 of 100 (Routine)
Simferopol	Ukraine	Record high maximum temperature	30.0 C (86.0 F)	31 of 100 (Routine)
Auburn	United States	Record high minimum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Caribou 2 S	United States	Record daily snowfall	12.7 cm (5.0 in)	31 of 100 (Routine)
Caribou 2 S	United States	Record snow depth	12.7 cm (5.0 in)	31 of 100 (Routine)
Minden	United States	Record high maximum temperature	27.8 C (82.0 F)	31 of 100 (Routine)
Boca del Salado	Mexico	Record low minimum temperature	10.6 C (51.1 F)	30 of 100 (Routine)
Totatiche	Mexico	Record low minimum temperature	0.6 C (33.1 F)	30 of 100 (Routine)
Ocotlan de Morelos	Mexico	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Clifton	United States	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Newark	United States	Record high maximum temperature	33.3 C (91.9 F)	30 of 100 (Routine)
Tambov	Russia	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
El-Ton	Russia	Record high maximum temperature	24.5 C (76.1 F)	29 of 100 (Routine)
Moro	United States	Record high minimum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Schmucke	Germany	Record low minimum temperature	-4.6 C (23.7 F)	28 of 100 (Routine)
Kon-Kolodez	Russia	Record high minimum temperature	12.2 C (54.0 F)	28 of 100 (Routine)
Inza	Russia	Record high maximum temperature	20.1 C (68.2 F)	28 of 100 (Routine)

Counts by Type and Timescale

877 records

Records set or tied on 21 October 1991 by type: Highest daily maximum 230, Lowest daily maximum 88, Highest daily minimum 220, Lowest daily minimum 180, Heaviest daily rainfall 142, Heaviest daily snowfall 7, Deepest snow cover 10.

Records on 21 October 1991 by type
Record type	Records
Highest daily maximum	230
Lowest daily maximum	88
Highest daily minimum	220
Lowest daily minimum	180
Heaviest daily rainfall	142
Heaviest daily snowfall	7
Deepest snow cover	10

Records on 21 October 1991 by timescale: all-time 1, monthly 14, daily 862.

How Much Records Were Beaten By

745 broken records

Margins by which the 745 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 122.0. Ties are not counted.

Top 20 by Significance

21 October 1991

Top 20 records on 21 October 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1991	Bhubaneswar, IN	daily rain	163.1 mm (6.4 in)	98.3 mm (3.9 in)	62 years	65 of 100 (Major)
21 October 1991	Etwa (Bos), ZA	daily rain	90.0 mm (3.5 in)	62.0 mm (2.4 in)	37 years	57 of 100 (Notable)
21 October 1991	Pryshyb, UA	monthly rain	101.1 mm (4.0 in)	67.4 mm (2.7 in)	6 years	54 of 100 (Notable)
21 October 1991	Korf, RU	daily rain	27.3 mm (1.1 in)	19.5 mm (0.8 in)	32 years	49 of 100 (Notable)
21 October 1991	Bloemfontein Airpor, ZA	daily rain	64.5 mm (2.5 in)	40.7 mm (1.6 in)	21 years	49 of 100 (Notable)
21 October 1991	Oktjabrskij-Gorodok, RU	daily high max	23.0 C (73.4 F)	6.1 C (11.0 F)	94 years	48 of 100 (Notable)
21 October 1991	Henichesk, UA	daily high min	16.7 C (62.1 F)	2.7 C (4.9 F)	105 years	45 of 100 (Notable)
21 October 1991	Calkini (Smn), MX	daily rain	67.8 mm (2.7 in)	56.9 mm (2.2 in)	1 year	44 of 100 (Notable)
21 October 1991	Morelos 77, MX	daily rain	45.0 mm (1.8 in)	33.8 mm (1.3 in)	0 years	43 of 100 (Notable)
21 October 1991	Buzau, RO	daily rain	27.2 mm (1.1 in)	18.9 mm (0.7 in)	26 years	42 of 100 (Notable)
21 October 1991	Turnu Magurele, RO	daily rain	36.4 mm (1.4 in)	16.7 mm (0.7 in)	52 years	42 of 100 (Notable)
21 October 1991	Cavalier 7NW, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	57 years	41 of 100 (Notable)
21 October 1991	Simferopol, UA	daily high min	16.5 C (61.7 F)	1.1 C (2.0 F)	94 years	40 of 100 (Notable)
21 October 1991	Kazan, RU	daily high max	16.3 C (61.3 F)	1.6 C (2.9 F)	94 years	39 of 100 (Notable)
21 October 1991	Kursk, RU	daily high min	9.3 C (48.7 F)	1.1 C (2.0 F)	90 years	39 of 100 (Notable)
21 October 1991	Placerville, US	daily high min	17.2 C (63.0 F)	3.3 C (5.9 F)	72 years	39 of 100 (Notable)
21 October 1991	Osceola, US	daily low min	-5.0 C (23.0 F)	1.1 C (2.0 F)	94 years	39 of 100 (Notable)
21 October 1991	Mundaring, AU	daily rain	37.4 mm (1.5 in)	12.5 mm (0.5 in)	50 years	38 of 100 (Notable)
21 October 1991	Rosiori de Vede, RO	daily rain	28.5 mm (1.1 in)	23.0 mm (0.9 in)	12 years	38 of 100 (Notable)
21 October 1991	Zametchino, RU	daily high min	10.1 C (50.2 F)	1.4 C (2.5 F)	84 years	38 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

1795 to 1991

Records set or tied on this calendar date in each year from 1795 to 1991. 1991 had 877 records.

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

Records on 10-21 in each year
Year	Records
1795	1
1802	2
1805	1
1808	1
1810	1
1834	1
1835	1
1840	1
1845	1
1847	1
1850	1
1851	2
1854	1
1859	1
1863	1
1864	1
1866	3
1867	1
1868	3
1869	2
1871	1
1872	1
1873	1
1874	1
1876	4
1877	2
1878	1
1880	3
1881	1
1883	1
1886	1
1888	2
1889	2
1890	3
1891	6
1892	6
1893	1
1894	1
1895	2
1896	5
1898	6
1899	3
1900	2
1901	9
1902	2
1903	3
1904	30
1905	15
1906	11
1907	35
1908	35
1909	19
1910	21
1911	10
1912	18
1913	59
1914	35
1915	43
1916	70
1917	208
1918	18
1919	102
1920	149
1921	58
1922	78
1923	81
1924	389
1925	150
1926	77
1927	187
1928	78
1929	200
1930	492
1931	217
1932	165
1933	733
1934	407
1935	707
1936	407
1937	132
1938	121
1939	491
1940	537
1941	644
1942	258
1943	421
1944	367
1945	538
1946	297
1947	977
1948	266
1949	1,015
1950	438
1951	382
1952	848
1953	1,579
1954	279
1955	481
1956	276
1957	511
1958	322
1959	410
1960	408
1961	553
1962	359
1963	725
1964	457
1965	465
1966	425
1967	472
1968	174
1969	881
1970	548
1971	498
1972	813
1973	464
1974	866
1975	509
1976	1,467
1977	451
1978	616
1979	1,958
1980	378
1981	667
1982	870
1983	786
1984	1,872
1985	776
1986	814
1987	852
1988	696
1989	1,668
1990	807
1991	877
1992	1,095
1993	845
1994	670
1995	1,120
1996	1,581
1997	915
1998	711
1999	688
2000	771
2001	610
2002	1,241
2003	2,066
2004	1,674
2005	949
2006	1,057
2007	916
2008	610
2009	713
2010	710
2011	662
2012	703
2013	440
2014	716
2015	493
2016	734
2017	750
2018	440
2019	757
2020	1,135
2021	574
2022	629
2023	890
2024	1,138
2025	364

Download the Data

Data for records on 1991-10-21: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	724
20 to 40	9
40 to 60	6
60 to 80	2
80 to 100	1
100 to 120	2
120 to 140	1