Weather Records on 18 October 1921

87 weather records were set or tied worldwide on 18 October 1921. Highest significance: Armagh, GB.

Key Facts for 18 October 1921

On 18 October 1921, 87 weather records were set or tied at long-record stations worldwide.
50 were record highs and 1 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 86 daily.
Armagh set a daily record high minimum temperature of 12.7 C (54.9 F) on 18 October 1921.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 436 records.

Record Map

87 stations

87 station records on 18 October 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Armagh	United Kingdom	Record high minimum temperature	12.7 C (54.9 F)	30 of 100 (Routine)
Foster (Post Office)	Australia	Record daily precipitation	43.7 mm (1.7 in)	28 of 100 (Routine)
Winton Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Yuleba Garden St	Australia	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Nebo	Australia	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	25.5 C (77.9 F)	24 of 100 (Routine)
Oxford	United Kingdom	Record high maximum temperature	20.3 C (68.5 F)	24 of 100 (Routine)
Sandy Cape Lighthouse	Australia	Record daily precipitation	31.8 mm (1.3 in)	21 of 100 (Routine)
Port Albert	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Ravenswood Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Atyrau	Kazakhstan	Record daily precipitation	3.3 mm (0.13 in)	20 of 100 (Routine)
Charters Towers Post Office	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Bathurst	Canada	Record low maximum temperature	5.6 C (42.1 F)	20 of 100 (Routine)
Gumbardo	Australia	Record daily precipitation	6.6 mm (0.26 in)	19 of 100 (Routine)
Gembrook	Australia	Record daily precipitation	37.6 mm (1.5 in)	19 of 100 (Routine)
Needles	United States	Record high maximum temperature	36.7 C (98.1 F)	19 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	11.9 C (53.4 F)	18 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high maximum temperature	20.6 C (69.1 F)	18 of 100 (Routine)
Milan	Italy	Record high maximum temperature	21.8 C (71.2 F)	18 of 100 (Routine)
Barrow Creek	Australia	Record daily precipitation	1.8 mm (0.07 in)	17 of 100 (Routine)
Tranebjerg	Denmark	Record high maximum temperature	17.3 C (63.1 F)	17 of 100 (Routine)
Kazalinsk	Kazakhstan	Record daily precipitation	8.5 mm (0.33 in)	16 of 100 (Routine)
Sheffield	United Kingdom	Record high maximum temperature	19.4 C (66.9 F)	16 of 100 (Routine)
Gilbert River Post Office	Australia	Record daily precipitation	16.8 mm (0.7 in)	15 of 100 (Routine)
Moormurang the Ridge	Australia	Record daily precipitation	19.1 mm (0.8 in)	15 of 100 (Routine)
Yarram	Australia	Record daily precipitation	22.6 mm (0.9 in)	15 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	15.0 C (59.0 F)	15 of 100 (Routine)
Cambridge Downs Station	Australia	Record daily precipitation	2.5 mm (0.10 in)	14 of 100 (Routine)
Pentland Post Office	Australia	Record daily precipitation	13.7 mm (0.5 in)	14 of 100 (Routine)
Yantabulla (Brindingabba)	Australia	Record daily precipitation	2.5 mm (0.10 in)	14 of 100 (Routine)
Durham	United Kingdom	Record high maximum temperature	18.3 C (64.9 F)	14 of 100 (Routine)
Portage Wwtp	United States	Record daily precipitation	47.2 mm (1.9 in)	14 of 100 (Routine)
Hughenden Post Office	Australia	Record daily precipitation	11.2 mm (0.4 in)	13 of 100 (Routine)
Tibooburra Post Office	Australia	Record daily precipitation	0.8 mm (0.03 in)	13 of 100 (Routine)
Barringun	Australia	Record daily precipitation	2.5 mm (0.10 in)	13 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	21.0 C (69.8 F)	13 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	17.0 C (62.6 F)	13 of 100 (Routine)
Cet Central England	United Kingdom	Record high maximum temperature	18.7 C (65.7 F)	13 of 100 (Routine)
Green Bay	United States	Record daily precipitation	19.6 mm (0.8 in)	13 of 100 (Routine)
Parragundy	Australia	Record daily precipitation	2.0 mm (0.08 in)	12 of 100 (Routine)
Lake Marmal	Australia	Record daily precipitation	13.5 mm (0.5 in)	12 of 100 (Routine)
Stoney Creek	Canada	Record high minimum temperature	14.4 C (57.9 F)	12 of 100 (Routine)
Muenster	Germany	Record high maximum temperature	23.8 C (74.8 F)	12 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record high maximum temperature	20.8 C (69.4 F)	12 of 100 (Routine)
Nurnberg	Germany	Record high maximum temperature	18.0 C (64.4 F)	12 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	24.0 C (75.2 F)	12 of 100 (Routine)
Waren	Germany	Record high maximum temperature	20.7 C (69.3 F)	12 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high maximum temperature	15.6 C (60.1 F)	12 of 100 (Routine)
Enngonia (Morton Plains)	Australia	Record daily precipitation	2.3 mm (0.09 in)	11 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	7.2 C (45.0 F)	11 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	10.0 C (50.0 F)	11 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	17.6 C (63.7 F)	11 of 100 (Routine)
Taroom Post Office	Australia	Record daily precipitation	8.6 mm (0.34 in)	10 of 100 (Routine)
Isisford Post Office	Australia	Record daily precipitation	9.7 mm (0.38 in)	10 of 100 (Routine)
Windorah Post Office	Australia	Record daily precipitation	7.1 mm (0.28 in)	10 of 100 (Routine)
Lila Lower	Australia	Record daily precipitation	1.5 mm (0.06 in)	10 of 100 (Routine)
Sonnblick	Austria	Record high minimum temperature	2.2 C (36.0 F)	10 of 100 (Routine)
Swift Current	Canada	Record high minimum temperature	7.8 C (46.0 F)	10 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	9.4 C (48.9 F)	10 of 100 (Routine)
Schwerin	Germany	Record high maximum temperature	21.2 C (70.2 F)	10 of 100 (Routine)

Counts by Type and Timescale

87 records

Records set or tied on 18 October 1921 by type: Highest daily maximum 32, Lowest daily maximum 1, Highest daily minimum 18, Heaviest daily rainfall 36.

Records on 18 October 1921 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	1
Highest daily minimum	18
Lowest daily minimum	0
Heaviest daily rainfall	36
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 October 1921 by timescale: all-time 0, monthly 1, daily 86.

How Much Records Were Beaten By

79 broken records

Margins by which the 79 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.4. Ties are not counted.

Top 20 by Significance

18 October 1921

Top 20 records on 18 October 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 1921	Armagh, GB	daily high min	12.7 C (54.9 F)	1.0 C (1.8 F)	69 years	30 of 100 (Routine)
18 October 1921	Foster (Post Office), AU	daily rain	43.7 mm (1.7 in)	18.3 mm (0.7 in)	11 years	28 of 100 (Routine)
18 October 1921	Winton Post Office, AU	daily rain	29.2 mm (1.1 in)	17.8 mm (0.7 in)	4 years	26 of 100 (Routine)
18 October 1921	Yuleba Garden St, AU	daily rain	38.1 mm (1.5 in)	14.2 mm (0.6 in)	26 years	25 of 100 (Routine)
18 October 1921	Nebo, AU	daily rain	25.4 mm (1.0 in)	15.2 mm (0.6 in)	29 years	24 of 100 (Routine)
18 October 1921	Uccle, BE	daily high max	25.5 C (77.9 F)	4.6 C (8.3 F)	10 years	24 of 100 (Routine)
18 October 1921	Oxford, GB	daily high max	20.3 C (68.5 F)	0.5 C (0.9 F)	44 years	24 of 100 (Routine)
18 October 1921	Sandy Cape Lighthouse, AU	daily rain	31.8 mm (1.3 in)	19.6 mm (0.8 in)	15 years	21 of 100 (Routine)
18 October 1921	Port Albert, AU	daily rain	24.4 mm (1.0 in)	13.7 mm (0.5 in)	11 years	20 of 100 (Routine)
18 October 1921	Ravenswood Post Office, AU	daily rain	22.9 mm (0.9 in)	20.4 mm (0.8 in)	4 years	20 of 100 (Routine)
18 October 1921	Atyrau, KZ	daily rain	3.3 mm (0.13 in)	3.3 mm (0.13 in)	39 years	20 of 100 (Routine)
18 October 1921	Charters Towers Post Office, AU	daily rain	21.6 mm (0.9 in)	19.8 mm (0.8 in)	12 years	20 of 100 (Routine)
18 October 1921	Bathurst, CA	daily low max	5.6 C (42.1 F)	1.1 C (2.0 F)	44 years	20 of 100 (Routine)
18 October 1921	Gumbardo, AU	daily rain	6.6 mm (0.26 in)	6.6 mm (0.26 in)	34 years	19 of 100 (Routine)
18 October 1921	Gembrook, AU	daily rain	37.6 mm (1.5 in)	9.9 mm (0.39 in)	11 years	19 of 100 (Routine)
18 October 1921	Needles, US	daily high max	36.7 C (98.1 F)	3.4 C (6.1 F)	29 years	19 of 100 (Routine)
18 October 1921	Vestervig, DK	daily high min	11.9 C (53.4 F)	0.3 C (0.5 F)	46 years	18 of 100 (Routine)
18 October 1921	Dublin Phoenix Park, IE	daily high max	20.6 C (69.1 F)	2.3 C (4.1 F)	21 years	18 of 100 (Routine)
18 October 1921	Milan, IT	daily high max	21.8 C (71.2 F)	0.3 C (0.5 F)	27 years	18 of 100 (Routine)
18 October 1921	Barrow Creek, AU	daily rain	1.8 mm (0.07 in)	1.8 mm (0.07 in)	39 years	17 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

1794 to 1921

Records set or tied on this calendar date in each year from 1794 to 1921. 1921 had 87 records.

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

Records on 10-18 in each year
Year	Records
1794	1
1796	1
1799	1
1806	1
1807	1
1810	1
1811	2
1817	1
1832	1
1835	1
1836	1
1843	1
1846	2
1848	1
1849	1
1851	1
1852	1
1859	1
1863	1
1865	2
1866	2
1868	1
1869	1
1871	1
1872	1
1874	4
1876	2
1877	2
1879	3
1881	1
1882	1
1883	2
1887	1
1888	1
1890	4
1892	4
1893	1
1894	3
1895	2
1897	6
1898	5
1899	12
1900	5
1901	5
1902	6
1903	9
1904	12
1905	27
1906	17
1907	11
1908	44
1909	23
1910	50
1911	22
1912	12
1913	26
1914	52
1915	12
1916	64
1917	109
1918	24
1919	31
1920	87
1921	87
1922	59
1923	114
1924	151
1925	153
1926	149
1927	309
1928	316
1929	190
1930	507
1931	350
1932	446
1933	264
1934	222
1935	360
1936	483
1937	671
1938	536
1939	475
1940	532
1941	240
1942	332
1943	844
1944	264
1945	398
1946	355
1947	965
1948	1,128
1949	665
1950	996
1951	325
1952	394
1953	678
1954	621
1955	403
1956	578
1957	220
1958	407
1959	246
1960	612
1961	362
1962	252
1963	492
1964	311
1965	1,066
1966	613
1967	405
1968	737
1969	789
1970	501
1971	1,199
1972	1,581
1973	789
1974	746
1975	779
1976	1,326
1977	533
1978	545
1979	555
1980	1,024
1981	680
1982	654
1983	684
1984	1,331
1985	831
1986	344
1987	518
1988	733
1989	1,196
1990	1,043
1991	999
1992	1,295
1993	1,051
1994	1,296
1995	1,227
1996	795
1997	1,240
1998	1,323
1999	773
2000	823
2001	818
2002	878
2003	1,097
2004	1,156
2005	755
2006	1,328
2007	1,298
2008	531
2009	1,546
2010	634
2011	736
2012	741
2013	430
2014	690
2015	915
2016	1,511
2017	590
2018	759
2019	346
2020	957
2021	387
2022	1,334
2023	693
2024	1,142
2025	367

Download the Data

Data for records on 1921-10-18: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	64
5 to 10	6
10 to 15	3
15 to 20	5
20 to 25	1