Weather Records on 20 October 2023

1,468 weather records were set or tied worldwide on 20 October 2023. Highest significance: Groningen-1, NL.

Key Facts for 20 October 2023

On 20 October 2023, 1,468 weather records were set or tied at long-record stations worldwide.
1,193 were record highs and 34 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 25 monthly and 1,441 daily.
Groningen-1 set a daily record precipitation of 38.0 mm (1.5 in) on 20 October 2023.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 451 records.

Record Map

1,468 stations

1,468 station records on 20 October 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Groningen-1	Netherlands	Record daily precipitation	38.0 mm (1.5 in)	80 of 100 (Exceptional)
Mestad I Oddernes	Norway	Record snow depth	17.0 cm (6.7 in)	67 of 100 (Major)
Guadalajara	Spain	Record daily precipitation	87.6 mm (3.4 in)	55 of 100 (Notable)
Kredarica	Slovenia	Record daily precipitation	128.5 mm (5.1 in)	54 of 100 (Notable)
Buxton	United Kingdom	Record daily precipitation	45.0 mm (1.8 in)	54 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record high minimum temperature	19.5 C (67.1 F)	52 of 100 (Notable)
Pecs Pogany	Hungary	Record high minimum temperature	17.9 C (64.2 F)	51 of 100 (Notable)
Yangjiang	China	Record daily precipitation	236.0 mm (9.3 in)	50 of 100 (Notable)
Huelva	Spain	Record daily precipitation	48.3 mm (1.9 in)	50 of 100 (Notable)
Eindhoven	Netherlands	Record daily precipitation	45.7 mm (1.8 in)	47 of 100 (Notable)
Bremen-Seefahrtschule	Germany	Record daily precipitation	27.0 mm (1.1 in)	44 of 100 (Notable)
Lauwersoog	Netherlands	Record daily precipitation	36.0 mm (1.4 in)	44 of 100 (Notable)
Durham	United Kingdom	Record daily precipitation	35.2 mm (1.4 in)	44 of 100 (Notable)
Ajo	United States	Record high maximum temperature	40.6 C (105.1 F)	44 of 100 (Notable)
Hvar	Croatia	Record high minimum temperature	22.1 C (71.8 F)	43 of 100 (Notable)
Szombathely	Hungary	Record high minimum temperature	16.9 C (62.4 F)	43 of 100 (Notable)
Missoula 6 NW WFO	United States	Record high maximum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
San Marcos	United States	Record high maximum temperature	36.1 C (97.0 F)	43 of 100 (Notable)
Tilburg	Netherlands	Record daily precipitation	38.7 mm (1.5 in)	42 of 100 (Notable)
Sheffield	United Kingdom	Record daily precipitation	61.4 mm (2.4 in)	42 of 100 (Notable)
Willcox	United States	Record high maximum temperature	34.4 C (93.9 F)	42 of 100 (Notable)
Hermit 8 SE	United States	Record high maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Rye Patch Dam	United States	Record high minimum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
Prineville	United States	Record high maximum temperature	31.1 C (88.0 F)	42 of 100 (Notable)
Osijek	Croatia	Record high maximum temperature	28.4 C (83.1 F)	41 of 100 (Notable)
Pecs Pogany	Hungary	Record high maximum temperature	27.7 C (81.9 F)	41 of 100 (Notable)
Heathrow	United Kingdom	Record daily precipitation	36.1 mm (1.4 in)	41 of 100 (Notable)
Jerome	United States	Record high maximum temperature	30.6 C (87.1 F)	41 of 100 (Notable)
Hetch Hetchy	United States	Record high minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Flatwillow 4 ENE	United States	Record high minimum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Jornada Exp Range	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Leavenworth 3 S	United States	Record high maximum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Pelzerhaken	Germany	Record daily precipitation	26.3 mm (1.0 in)	40 of 100 (Notable)
Zweelo	Netherlands	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Green Rvr	United States	Record high maximum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Fukaura	Japan	Record daily precipitation	71.9 mm (2.8 in)	39 of 100 (Notable)
Belgrade (Observatory)	Serbia	Record high maximum temperature	30.2 C (86.4 F)	39 of 100 (Notable)
Hetch Hetchy	United States	Record high maximum temperature	30.6 C (87.1 F)	39 of 100 (Notable)
Friesoythe-Edewechterdam	Germany	Record daily precipitation	30.2 mm (1.2 in)	38 of 100 (Notable)
Deurne	Netherlands	Record daily precipitation	29.3 mm (1.2 in)	38 of 100 (Notable)
Niekerk	Netherlands	Record daily precipitation	26.1 mm (1.0 in)	38 of 100 (Notable)
Ash Mtn	United States	Record high maximum temperature	35.0 C (95.0 F)	38 of 100 (Notable)
Grass Range	United States	Record high minimum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Chewelah	United States	Record high maximum temperature	22.8 C (73.0 F)	38 of 100 (Notable)
Monroe Rgnl AP	United States	Record high maximum temperature	33.9 C (93.0 F)	38 of 100 (Notable)
Rijeka	Croatia	Record high minimum temperature	19.5 C (67.1 F)	37 of 100 (Notable)
Aomori	Japan	Record daily precipitation	34.0 mm (1.3 in)	37 of 100 (Notable)
Tangier City	Morocco	Record daily precipitation	65.3 mm (2.6 in)	37 of 100 (Notable)
Finsterwolde	Netherlands	Record daily precipitation	28.6 mm (1.1 in)	37 of 100 (Notable)
Bogoroditskoye-Fenino	Russia	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Split Marjan	Croatia	Record high minimum temperature	21.2 C (70.2 F)	36 of 100 (Notable)
Eelde	Netherlands	Record daily precipitation	26.9 mm (1.1 in)	36 of 100 (Notable)
Obojan	Russia	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Chiang Mai	Thailand	Record high minimum temperature	24.6 C (76.3 F)	36 of 100 (Notable)
Balmoral	United Kingdom	Record daily precipitation	35.8 mm (1.4 in)	36 of 100 (Notable)
Natural Brg	United States	Record high minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Ft Benton	United States	Record high maximum temperature	28.3 C (82.9 F)	36 of 100 (Notable)
Sappemeer	Netherlands	Record daily precipitation	27.2 mm (1.1 in)	35 of 100 (Notable)
Gotnja	Russia	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Simpson 6 N - Wildhorse	United States	Record high minimum temperature	9.4 C (48.9 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,468 records

Records set or tied on 20 October 2023 by type: Highest daily maximum 683, Lowest daily maximum 21, Highest daily minimum 510, Lowest daily minimum 13, Heaviest daily rainfall 237, Deepest snow cover 4.

Records on 20 October 2023 by type
Record type	Records
Highest daily maximum	683
Lowest daily maximum	21
Highest daily minimum	510
Lowest daily minimum	13
Heaviest daily rainfall	237
Heaviest daily snowfall	0
Deepest snow cover	4

Records on 20 October 2023 by timescale: all-time 2, monthly 25, daily 1,441.

How Much Records Were Beaten By

1,195 broken records

Margins by which the 1,195 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 120.0. Ties are not counted.

Top 20 by Significance

20 October 2023

Top 20 records on 20 October 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 2023	Groningen-1, NL	daily rain	38.0 mm (1.5 in)	19.6 mm (0.8 in)	147 years	80 of 100 (Exceptional)
20 October 2023	Mestad I Oddernes, NO	daily snow depth	17.0 cm (6.7 in)	12.0 cm (4.7 in)	97 years	67 of 100 (Major)
20 October 2023	Guadalajara, ES	all-time rain	87.6 mm (3.4 in)	16.5 mm (0.6 in)	30 years	55 of 100 (Notable)
20 October 2023	Kredarica, SI	daily rain	128.5 mm (5.1 in)	71.6 mm (2.8 in)	52 years	54 of 100 (Notable)
20 October 2023	Buxton, GB	daily rain	45.0 mm (1.8 in)	11.5 mm (0.5 in)	147 years	54 of 100 (Notable)
20 October 2023	Sarajevo, BA	daily high min	19.5 C (67.1 F)	5.8 C (10.4 F)	93 years	52 of 100 (Notable)
20 October 2023	Pecs Pogany, HU	monthly high min	17.9 C (64.2 F)	0.4 C (0.7 F)	116 years	51 of 100 (Notable)
20 October 2023	Yangjiang, CN	monthly rain	236.0 mm (9.3 in)	43.8 mm (1.7 in)	50 years	50 of 100 (Notable)
20 October 2023	Huelva, ES	daily rain	48.3 mm (1.9 in)	21.0 mm (0.8 in)	70 years	50 of 100 (Notable)
20 October 2023	Eindhoven, NL	monthly rain	45.7 mm (1.8 in)	12.3 mm (0.5 in)	30 years	47 of 100 (Notable)
20 October 2023	Bremen-Seefahrtschule, DE	daily rain	27.0 mm (1.1 in)	11.2 mm (0.4 in)	36 years	44 of 100 (Notable)
20 October 2023	Lauwersoog, NL	daily rain	36.0 mm (1.4 in)	25.1 mm (1.0 in)	5 years	44 of 100 (Notable)
20 October 2023	Durham, GB	daily rain	35.2 mm (1.4 in)	13.0 mm (0.5 in)	36 years	44 of 100 (Notable)
20 October 2023	Ajo, US	daily high max	40.6 C (105.1 F)	2.3 C (4.1 F)	101 years	44 of 100 (Notable)
20 October 2023	Hvar, HR	daily high min	22.1 C (71.8 F)	1.1 C (2.0 F)	136 years	43 of 100 (Notable)
20 October 2023	Szombathely, HU	monthly high min	16.9 C (62.4 F)	1.7 C (3.1 F)	65 years	43 of 100 (Notable)
20 October 2023	Missoula 6 NW WFO, US	daily high max	23.9 C (75.0 F)	1.7 C (3.1 F)	125 years	43 of 100 (Notable)
20 October 2023	San Marcos, US	daily high max	36.1 C (97.0 F)	1.7 C (3.1 F)	101 years	43 of 100 (Notable)
20 October 2023	Tilburg, NL	daily rain	38.7 mm (1.5 in)	17.5 mm (0.7 in)	18 years	42 of 100 (Notable)
20 October 2023	Sheffield, GB	monthly rain	61.4 mm (2.4 in)	12.6 mm (0.5 in)	3 years	42 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

1806 to 2023

Records set or tied on this calendar date in each year from 1806 to 2023. 2023 had 1,468 records.

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

Records on 10-20 in each year
Year	Records
1806	1
1835	1
1844	1
1846	1
1847	2
1851	1
1852	1
1858	1
1863	2
1864	2
1866	3
1867	1
1868	2
1872	2
1874	2
1875	3
1876	2
1877	1
1878	1
1880	3
1881	2
1884	1
1885	1
1886	1
1887	1
1888	6
1891	4
1892	4
1893	1
1894	3
1895	4
1896	9
1897	2
1898	7
1899	1
1900	8
1901	7
1902	5
1903	9
1904	13
1905	22
1906	28
1907	32
1908	26
1909	17
1910	31
1911	16
1912	6
1913	38
1914	16
1915	20
1916	72
1917	201
1918	34
1919	19
1920	81
1921	68
1922	83
1923	96
1924	182
1925	247
1926	147
1927	283
1928	92
1929	129
1930	672
1931	125
1932	331
1933	675
1934	422
1935	390
1936	370
1937	189
1938	231
1939	367
1940	757
1941	459
1942	152
1943	501
1944	288
1945	363
1946	310
1947	1,494
1948	320
1949	1,084
1950	619
1951	279
1952	520
1953	1,057
1954	262
1955	529
1956	283
1957	440
1958	461
1959	451
1960	671
1961	479
1962	733
1963	765
1964	598
1965	340
1966	857
1967	511
1968	244
1969	607
1970	710
1971	606
1972	1,724
1973	878
1974	1,122
1975	587
1976	1,304
1977	467
1978	508
1979	1,647
1980	350
1981	1,083
1982	1,191
1983	944
1984	1,562
1985	835
1986	823
1987	590
1988	737
1989	2,092
1990	609
1991	971
1992	1,174
1993	1,238
1994	650
1995	703
1996	1,417
1997	949
1998	683
1999	603
2000	737
2001	589
2002	985
2003	1,761
2004	1,861
2005	1,092
2006	1,170
2007	923
2008	477
2009	786
2010	539
2011	785
2012	945
2013	592
2014	851
2015	523
2016	947
2017	602
2018	394
2019	744
2020	1,010
2021	900
2022	834
2023	1,468
2024	707
2025	326

Download the Data

Data for records on 2023-10-20: 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	1,183
20 to 40	7
40 to 60	2
60 to 80	2
80 to 100	0
100 to 120	1