Weather Records on 21 October 2023

890 weather records were set or tied worldwide on 21 October 2023. Highest significance: Dalwallinu Comparison, AU.

Key Facts for 21 October 2023

On 21 October 2023, 890 weather records were set or tied at long-record stations worldwide.
778 were record highs and 19 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 870 daily.
Dalwallinu Comparison set a daily record precipitation of 29.2 mm (1.1 in) on 21 October 2023.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 417 records.

Record Map

890 stations

890 station records on 21 October 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dalwallinu Comparison	Australia	Record daily precipitation	29.2 mm (1.1 in)	74 of 100 (Major)
Avangard Zernosovho	Russia	Record daily precipitation	31.0 mm (1.2 in)	71 of 100 (Major)
Tabora Airport	Tanzania	Record daily precipitation	99.1 mm (3.9 in)	59 of 100 (Notable)
Lankaran	Azerbaijan	Record daily precipitation	99.1 mm (3.9 in)	56 of 100 (Notable)
Kisinev	Moldova	Record high maximum temperature	31.4 C (88.5 F)	51 of 100 (Notable)
Odesa	Ukraine	Record high maximum temperature	31.1 C (88.0 F)	49 of 100 (Notable)
Bucuresti-Baneasa	Romania	Record high maximum temperature	32.0 C (89.6 F)	48 of 100 (Notable)
Bolsaja Gluscica	Russia	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Greenville Muni AP	United States	Record high minimum temperature	11.7 C (53.1 F)	48 of 100 (Notable)
Buzau	Romania	Record high maximum temperature	32.0 C (89.6 F)	47 of 100 (Notable)
Pittsfield Muni AP	United States	Record daily precipitation	46.2 mm (1.8 in)	47 of 100 (Notable)
Osijek	Croatia	Record high minimum temperature	16.5 C (61.7 F)	46 of 100 (Notable)
Ponciano Arriaga Intl	Mexico	Record daily precipitation	54.4 mm (2.1 in)	46 of 100 (Notable)
George Airport	South Africa	Record daily precipitation	73.9 mm (2.9 in)	46 of 100 (Notable)
Skagway	United States	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Vinnytsia	Ukraine	Record high maximum temperature	27.0 C (80.6 F)	44 of 100 (Notable)
Loa	United States	Record high maximum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Winslow AP	United States	Record high maximum temperature	31.7 C (89.1 F)	44 of 100 (Notable)
Kisinev	Moldova	Record high minimum temperature	16.3 C (61.3 F)	43 of 100 (Notable)
Davenport	United States	Record high maximum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Dutch Harbor	United States	Record high minimum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Burlington Intl AP	United States	Record daily precipitation	59.2 mm (2.3 in)	43 of 100 (Notable)
Telluride 4WNW	United States	Record high maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Alexandria	United States	Record high maximum temperature	33.9 C (93.0 F)	42 of 100 (Notable)
Leesville	United States	Record high maximum temperature	36.1 C (97.0 F)	42 of 100 (Notable)
Boerne	United States	Record high maximum temperature	36.1 C (97.0 F)	42 of 100 (Notable)
Baia Mare	Romania	Record high minimum temperature	15.1 C (59.2 F)	41 of 100 (Notable)
Uman	Ukraine	Record high maximum temperature	27.4 C (81.3 F)	41 of 100 (Notable)
Jerome	United States	Record high maximum temperature	30.6 C (87.1 F)	41 of 100 (Notable)
Aspendell	United States	Record high minimum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Lemon Cove	United States	Record high maximum temperature	36.1 C (97.0 F)	41 of 100 (Notable)
Paso Robles	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Montrose #2	United States	Record high maximum temperature	26.7 C (80.1 F)	41 of 100 (Notable)
Port Gibson 1 NE	United States	Record high maximum temperature	33.9 C (93.0 F)	41 of 100 (Notable)
Virginia City	United States	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Mountainair	United States	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Tellico Plains	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Cuero	United States	Record high maximum temperature	36.1 C (97.0 F)	41 of 100 (Notable)
Odesa	Ukraine	Record high minimum temperature	16.8 C (62.2 F)	40 of 100 (Notable)
Springerville	United States	Record high maximum temperature	27.2 C (81.0 F)	40 of 100 (Notable)
Steamboat Springs	United States	Record high maximum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Varna	Bulgaria	Record high maximum temperature	34.2 C (93.6 F)	39 of 100 (Notable)
Dowagiac 1 W	United States	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Danevang 1 W	United States	Record high maximum temperature	33.3 C (91.9 F)	39 of 100 (Notable)
Wasco	United States	Record high minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Shoshone 1 WNW	United States	Record high maximum temperature	28.3 C (82.9 F)	38 of 100 (Notable)
Hope	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Krasnyj Kut	Russia	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Hanford 1 S	United States	Record high minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Woodland	United States	Record high minimum temperature	11.7 C (53.1 F)	37 of 100 (Notable)
Mtn Park	United States	Record high minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Rutland	United States	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
Kastamonu	Turkey	Record high maximum temperature	28.4 C (83.1 F)	36 of 100 (Notable)
Shoshone	United States	Record high maximum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Pleasant Grove	United States	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Wenatchee	United States	Record high maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Houston William P Hobby AP	United States	Record high maximum temperature	33.3 C (91.9 F)	36 of 100 (Notable)
S. Valentino Alla Muta	Italy	Record daily precipitation	32.5 mm (1.3 in)	35 of 100 (Notable)
Cluj Napoca	Romania	Record high minimum temperature	14.0 C (57.2 F)	35 of 100 (Notable)
Constanta	Romania	Record high maximum temperature	31.8 C (89.2 F)	35 of 100 (Notable)

Counts by Type and Timescale

890 records

Records set or tied on 21 October 2023 by type: Highest daily maximum 466, Lowest daily maximum 11, Highest daily minimum 312, Lowest daily minimum 8, Heaviest daily rainfall 87, Heaviest daily snowfall 1, Deepest snow cover 5.

Records on 21 October 2023 by type
Record type	Records
Highest daily maximum	466
Lowest daily maximum	11
Highest daily minimum	312
Lowest daily minimum	8
Heaviest daily rainfall	87
Heaviest daily snowfall	1
Deepest snow cover	5

Records on 21 October 2023 by timescale: all-time 0, monthly 20, daily 870.

How Much Records Were Beaten By

694 broken records

Margins by which the 694 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 85.5. Ties are not counted.

Top 20 by Significance

21 October 2023

Top 20 records on 21 October 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 2023	Dalwallinu Comparison, AU	daily rain	29.2 mm (1.1 in)	21.3 mm (0.8 in)	82 years	74 of 100 (Major)
21 October 2023	Avangard Zernosovho, RU	daily rain	31.0 mm (1.2 in)	21.1 mm (0.8 in)	77 years	71 of 100 (Major)
21 October 2023	Tabora Airport, TZ	daily rain	99.1 mm (3.9 in)	85.5 mm (3.4 in)	40 years	59 of 100 (Notable)
21 October 2023	Lankaran, AZ	daily rain	99.1 mm (3.9 in)	32.8 mm (1.3 in)	105 years	56 of 100 (Notable)
21 October 2023	Kisinev, MD	daily high max	31.4 C (88.5 F)	6.3 C (11.3 F)	126 years	51 of 100 (Notable)
21 October 2023	Odesa, UA	monthly high max	31.1 C (88.0 F)	0.6 C (1.1 F)	95 years	49 of 100 (Notable)
21 October 2023	Bucuresti-Baneasa, RO	daily high max	32.0 C (89.6 F)	6.0 C (10.8 F)	93 years	48 of 100 (Notable)
21 October 2023	Bolsaja Gluscica, RU	daily rain	31.0 mm (1.2 in)	20.8 mm (0.8 in)	8 years	48 of 100 (Notable)
21 October 2023	Greenville Muni AP, US	daily high min	11.7 C (53.1 F)	3.9 C (7.0 F)	102 years	48 of 100 (Notable)
21 October 2023	Buzau, RO	daily high max	32.0 C (89.6 F)	4.0 C (7.2 F)	126 years	47 of 100 (Notable)
21 October 2023	Pittsfield Muni AP, US	daily rain	46.2 mm (1.8 in)	18.0 mm (0.7 in)	84 years	47 of 100 (Notable)
21 October 2023	Osijek, HR	monthly high min	16.5 C (61.7 F)	0.3 C (0.5 F)	88 years	46 of 100 (Notable)
21 October 2023	Ponciano Arriaga Intl, MX	daily rain	54.4 mm (2.1 in)	49.3 mm (1.9 in)	4 years	46 of 100 (Notable)
21 October 2023	George Airport, ZA	daily rain	73.9 mm (2.9 in)	32.2 mm (1.3 in)	29 years	46 of 100 (Notable)
21 October 2023	Skagway, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	123 years	46 of 100 (Notable)
21 October 2023	Vinnytsia, UA	daily high max	27.0 C (80.6 F)	6.8 C (12.2 F)	78 years	44 of 100 (Notable)
21 October 2023	Loa, US	daily high max	26.1 C (79.0 F)	2.2 C (4.0 F)	100 years	44 of 100 (Notable)
21 October 2023	Winslow AP, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	101 years	44 of 100 (Notable)
21 October 2023	Kisinev, MD	daily high min	16.3 C (61.3 F)	1.4 C (2.5 F)	126 years	43 of 100 (Notable)
21 October 2023	Davenport, US	daily high max	22.8 C (73.0 F)	1.7 C (3.1 F)	108 years	43 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 2023

Records set or tied on this calendar date in each year from 1795 to 2023. 2023 had 890 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 2023-10-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 20	677
20 to 40	11
40 to 60	4
60 to 80	1
80 to 100	1