Weather Records on 21 October 2018

440 weather records were set or tied worldwide on 21 October 2018. Highest significance: East London, ZA.

Key Facts for 21 October 2018

On 21 October 2018, 440 weather records were set or tied at long-record stations worldwide.
152 were record highs and 136 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 436 daily.
East London set a daily record precipitation of 80.0 mm (3.1 in) on 21 October 2018.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 420 records.

Record Map

440 stations

440 station records on 21 October 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
East London	South Africa	Record daily precipitation	80.0 mm (3.1 in)	62 of 100 (Major)
Cluj Napoca	Romania	Record daily precipitation	31.8 mm (1.3 in)	60 of 100 (Major)
Craigie (Finchley)	Australia	Record daily precipitation	42.6 mm (1.7 in)	58 of 100 (Notable)
Lichinga	Mozambique	Record daily precipitation	64.0 mm (2.5 in)	53 of 100 (Notable)
Boggabri (Kanownda)	Australia	Record daily precipitation	36.0 mm (1.4 in)	48 of 100 (Notable)
Port Vila Bauerfield	Vanuatu	Record daily precipitation	197.1 mm (7.8 in)	48 of 100 (Notable)
Kalajoki Metsakyla	Finland	Record daily precipitation	25.3 mm (1.0 in)	46 of 100 (Notable)
Skagway	United States	Record high minimum temperature	8.9 C (48.0 F)	46 of 100 (Notable)
Oconto 4 W	United States	Record daily snowfall	5.1 cm (2.0 in)	45 of 100 (Notable)
Bergland Dam	United States	Record low maximum temperature	-1.1 C (30.0 F)	44 of 100 (Notable)
Maroota ( Roberts Road)	Australia	Record daily precipitation	86.0 mm (3.4 in)	43 of 100 (Notable)
Geneseo	United States	Record low minimum temperature	-4.4 C (24.1 F)	43 of 100 (Notable)
Belah Park	Australia	Record daily precipitation	75.0 mm (3.0 in)	42 of 100 (Notable)
Avon Park 2 W	United States	Record high maximum temperature	33.9 C (93.0 F)	42 of 100 (Notable)
Turrawan (Wallah)	Australia	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Bartow 1SE	United States	Record high maximum temperature	33.9 C (93.0 F)	41 of 100 (Notable)
Martin U of T Branch Exp STN	United States	Record low minimum temperature	-8.3 C (17.1 F)	41 of 100 (Notable)
Elgin Water	United States	Record low minimum temperature	-4.4 C (24.1 F)	40 of 100 (Notable)
Springside	Australia	Record daily precipitation	42.0 mm (1.7 in)	39 of 100 (Notable)
Chillingham (Limpinwood)	Australia	Record daily precipitation	63.0 mm (2.5 in)	39 of 100 (Notable)
Donegal 2 NW	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Neshaminy Falls	United States	Record low maximum temperature	9.4 C (48.9 F)	39 of 100 (Notable)
Springfield Abraham Lincoln Ca	United States	Record low minimum temperature	-6.0 C (21.2 F)	39 of 100 (Notable)
Ovre Ardal	Norway	Record daily precipitation	30.9 mm (1.2 in)	38 of 100 (Notable)
Elkins- Randolph Co AP	United States	Record low maximum temperature	3.3 C (37.9 F)	38 of 100 (Notable)
Onaway 4N	United States	Record low maximum temperature	5.0 C (41.0 F)	35 of 100 (Notable)
Summit	United States	Record high maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Glen Royal	Australia	Record daily precipitation	32.4 mm (1.3 in)	33 of 100 (Routine)
Ohe'o 258.6	United States	Record daily precipitation	46.2 mm (1.8 in)	33 of 100 (Routine)
Ellangowan	Australia	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Miami Intl AP	United States	Record high maximum temperature	32.8 C (91.0 F)	32 of 100 (Routine)
Inhambane	Mozambique	Record low minimum temperature	12.3 C (54.1 F)	31 of 100 (Routine)
Condamine	Australia	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Pohnpei WSO	Federated States of Micronesia	Record daily precipitation	61.2 mm (2.4 in)	30 of 100 (Routine)
Chino Valley	United States	Record high minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
St Paul Dwtn AP	United States	Record low minimum temperature	-3.8 C (25.2 F)	30 of 100 (Routine)
Hereward	Australia	Record daily precipitation	27.0 mm (1.1 in)	29 of 100 (Routine)
Mont-Aigoual	France	Record high maximum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Nuuk	Greenland [Denmark]	Record low maximum temperature	-6.6 C (20.1 F)	29 of 100 (Routine)
El-Ton	Russia	Record high minimum temperature	10.9 C (51.6 F)	29 of 100 (Routine)
Cape Columbine	South Africa	Record high minimum temperature	16.4 C (61.5 F)	29 of 100 (Routine)
San Simon	United States	Record high minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Stockton 3NNE	United States	Record low minimum temperature	-7.2 C (19.0 F)	29 of 100 (Routine)
Niagara Falls Intl AP	United States	Record low maximum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Rantoul	United States	Record low minimum temperature	-4.4 C (24.1 F)	29 of 100 (Routine)
Yakutat AP	United States	Record daily precipitation	128.5 mm (5.1 in)	29 of 100 (Routine)
Kenosha Wwtp	United States	Record low minimum temperature	-6.1 C (21.0 F)	28 of 100 (Routine)
Eurombah	Australia	Record daily precipitation	35.4 mm (1.4 in)	27 of 100 (Routine)
Tveitsund	Norway	Record high maximum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Ottumwa Ind AP	United States	Record low minimum temperature	-3.8 C (25.2 F)	27 of 100 (Routine)
Gulkana AP	United States	Record high minimum temperature	1.1 C (34.0 F)	27 of 100 (Routine)
Pine Bluff Grider Fld	United States	Record low maximum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Cross City 1 E	United States	Record high maximum temperature	31.7 C (89.1 F)	26 of 100 (Routine)
Minchumina	United States	Record high minimum temperature	0.0 C (32.0 F)	26 of 100 (Routine)
Belleville Siu Rsch	United States	Record low minimum temperature	-4.4 C (24.1 F)	26 of 100 (Routine)
Xai Xai	Mozambique	Record low maximum temperature	21.1 C (70.0 F)	25 of 100 (Routine)
Tunka	Russia	Record high minimum temperature	1.3 C (34.3 F)	25 of 100 (Routine)
Plant City	United States	Record high maximum temperature	34.4 C (93.9 F)	25 of 100 (Routine)
Sapelo Is	United States	Record high maximum temperature	32.2 C (90.0 F)	25 of 100 (Routine)
Detroit Willow Run AP	United States	Record low maximum temperature	8.3 C (46.9 F)	25 of 100 (Routine)

Counts by Type and Timescale

440 records

Records set or tied on 21 October 2018 by type: Highest daily maximum 69, Lowest daily maximum 69, Highest daily minimum 83, Lowest daily minimum 67, Heaviest daily rainfall 123, Heaviest daily snowfall 23, Deepest snow cover 6.

Records on 21 October 2018 by type
Record type	Records
Highest daily maximum	69
Lowest daily maximum	69
Highest daily minimum	83
Lowest daily minimum	67
Heaviest daily rainfall	123
Heaviest daily snowfall	23
Deepest snow cover	6

Records on 21 October 2018 by timescale: all-time 0, monthly 4, daily 436.

How Much Records Were Beaten By

330 broken records

Margins by which the 330 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 86.1. Ties are not counted.

Top 20 by Significance

21 October 2018

Top 20 records on 21 October 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 2018	East London, ZA	daily rain	80.0 mm (3.1 in)	54.0 mm (2.1 in)	71 years	62 of 100 (Major)
21 October 2018	Cluj Napoca, RO	daily rain	31.8 mm (1.3 in)	14.3 mm (0.6 in)	84 years	60 of 100 (Major)
21 October 2018	Craigie (Finchley), AU	daily rain	42.6 mm (1.7 in)	26.9 mm (1.1 in)	45 years	58 of 100 (Notable)
21 October 2018	Lichinga, MZ	monthly rain	64.0 mm (2.5 in)	17.8 mm (0.7 in)	56 years	53 of 100 (Notable)
21 October 2018	Boggabri (Kanownda), AU	daily rain	36.0 mm (1.4 in)	8.6 mm (0.34 in)	118 years	48 of 100 (Notable)
21 October 2018	Port Vila Bauerfield, VU	daily rain	197.1 mm (7.8 in)	86.1 mm (3.4 in)	16 years	48 of 100 (Notable)
21 October 2018	Kalajoki Metsakyla, FI	daily rain	25.3 mm (1.0 in)	13.1 mm (0.5 in)	36 years	46 of 100 (Notable)
21 October 2018	Skagway, US	daily high min	8.9 C (48.0 F)	2.2 C (4.0 F)	104 years	46 of 100 (Notable)
21 October 2018	Oconto 4 W, US	daily snowfall	5.1 cm (2.0 in)	2.6 cm (1.0 in)	100 years	45 of 100 (Notable)
21 October 2018	Bergland Dam, US	daily low max	-1.1 C (30.0 F)	2.8 C (5.0 F)	101 years	44 of 100 (Notable)
21 October 2018	Maroota ( Roberts Road), AU	monthly rain	86.0 mm (3.4 in)	2.9 mm (0.11 in)	76 years	43 of 100 (Notable)
21 October 2018	Geneseo, US	daily low min	-4.4 C (24.1 F)	1.6 C (2.9 F)	121 years	43 of 100 (Notable)
21 October 2018	Belah Park, AU	monthly rain	75.0 mm (3.0 in)	3.9 mm (0.15 in)	66 years	42 of 100 (Notable)
21 October 2018	Avon Park 2 W, US	daily high max	33.9 C (93.0 F)	0.6 C (1.1 F)	107 years	42 of 100 (Notable)
21 October 2018	Turrawan (Wallah), AU	daily rain	32.0 mm (1.3 in)	15.0 mm (0.6 in)	63 years	41 of 100 (Notable)
21 October 2018	Bartow 1SE, US	daily high max	33.9 C (93.0 F)	0.6 C (1.1 F)	99 years	41 of 100 (Notable)
21 October 2018	Martin U of T Branch Exp STN, US	monthly low min	-8.3 C (17.1 F)	2.7 C (4.9 F)	65 years	41 of 100 (Notable)
21 October 2018	Elgin Water, US	daily low min	-4.4 C (24.1 F)	0.5 C (0.9 F)	104 years	40 of 100 (Notable)
21 October 2018	Springside, AU	daily rain	42.0 mm (1.7 in)	22.7 mm (0.9 in)	44 years	39 of 100 (Notable)
21 October 2018	Chillingham (Limpinwood), AU	daily rain	63.0 mm (2.5 in)	30.0 mm (1.2 in)	51 years	39 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 2018

Records set or tied on this calendar date in each year from 1795 to 2018. 2018 had 440 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 2018-10-21: 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 2026-10-13 (13 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	313
20 to 40	13
40 to 60	3
60 to 80	0
80 to 100	1