Weather Records on 18 October 2021

387 weather records were set or tied worldwide on 18 October 2021. Highest significance: Guna, IN.

Key Facts for 18 October 2021

On 18 October 2021, 387 weather records were set or tied at long-record stations worldwide.
148 were record highs and 160 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 380 daily.
Guna set a monthly record daily precipitation of 101.1 mm (4.0 in) on 18 October 2021.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 434 records.

Record Map

387 stations

387 station records on 18 October 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Guna	India	Record daily precipitation	101.1 mm (4.0 in)	66 of 100 (Major)
Jhansi	India	Record daily precipitation	91.9 mm (3.6 in)	63 of 100 (Major)
Mukteshwar Kumaon	India	Record daily precipitation	68.1 mm (2.7 in)	63 of 100 (Major)
Hoshangabad	India	Record daily precipitation	55.9 mm (2.2 in)	57 of 100 (Notable)
Satna	India	Record daily precipitation	50.0 mm (2.0 in)	57 of 100 (Notable)
Boca	United States	Record daily snowfall	6.4 cm (2.5 in)	54 of 100 (Notable)
Bowman Dam	United States	Record daily snowfall	12.7 cm (5.0 in)	54 of 100 (Notable)
Lankaran	Azerbaijan	Record daily precipitation	99.6 mm (3.9 in)	50 of 100 (Notable)
Fulton	United States	Record daily precipitation	51.3 mm (2.0 in)	50 of 100 (Notable)
Bowman Dam	United States	Record snow depth	12.7 cm (5.0 in)	47 of 100 (Notable)
Laguna	Australia	Record daily precipitation	42.2 mm (1.7 in)	42 of 100 (Notable)
Arxan	China	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
New Delhi/Safdarjun	India	Record daily precipitation	87.9 mm (3.5 in)	42 of 100 (Notable)
Bradford	United Kingdom	Record high maximum temperature	18.6 C (65.5 F)	42 of 100 (Notable)
New London Lock #22	United States	Record daily precipitation	81.3 mm (3.2 in)	42 of 100 (Notable)
Turlock #2	United States	Record low maximum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Warrensburg 4NW	United States	Record high maximum temperature	31.7 C (89.1 F)	40 of 100 (Notable)
Akola	India	Record daily precipitation	47.0 mm (1.9 in)	39 of 100 (Notable)
Sovetskaja Gavan	Russia	Record low minimum temperature	-7.7 C (18.1 F)	37 of 100 (Notable)
Bhopal/Bairagarh	India	Record daily precipitation	40.9 mm (1.6 in)	36 of 100 (Notable)
Tenerife/Los Rodeos	Spain	Record high minimum temperature	21.6 C (70.9 F)	35 of 100 (Notable)
Gillette 3SE	United States	Record high minimum temperature	9.4 C (48.9 F)	35 of 100 (Notable)
Brookings	United States	Record low maximum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Lake City 2 SE	United States	Record high maximum temperature	31.7 C (89.1 F)	34 of 100 (Routine)
Gustavus	United States	Record low maximum temperature	2.8 C (37.0 F)	34 of 100 (Routine)
Koloa Mauka 994	United States	Record daily precipitation	63.5 mm (2.5 in)	33 of 100 (Routine)
Baudette	United States	Record high maximum temperature	24.4 C (75.9 F)	32 of 100 (Routine)
Townsville Aero	Australia	Record high minimum temperature	25.5 C (77.9 F)	31 of 100 (Routine)
Elsinore	United States	Record low maximum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Tuotuohe	China	Record high maximum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Shoshone 1 WNW	United States	Record high minimum temperature	11.7 C (53.1 F)	30 of 100 (Routine)
Zakatala	Azerbaijan	Record daily precipitation	99.1 mm (3.9 in)	29 of 100 (Routine)
Tabligbo	Togo	Record high minimum temperature	25.2 C (77.4 F)	29 of 100 (Routine)
Litang	China	Record high maximum temperature	19.6 C (67.3 F)	28 of 100 (Routine)
Troickoe	Russia	Record low minimum temperature	-9.3 C (15.3 F)	28 of 100 (Routine)
Harding 3 SE	United States	Record snow depth	10.2 cm (4.0 in)	28 of 100 (Routine)
Dengqen	China	Record high maximum temperature	20.9 C (69.6 F)	27 of 100 (Routine)
Garze	China	Record high maximum temperature	24.1 C (75.4 F)	27 of 100 (Routine)
Tokyo	Japan	Record low minimum temperature	9.2 C (48.6 F)	27 of 100 (Routine)
Kuantan	Malaysia	Record daily precipitation	82.8 mm (3.3 in)	27 of 100 (Routine)
Braganca	Portugal	Record high minimum temperature	14.5 C (58.1 F)	27 of 100 (Routine)
Lop Buri	Thailand	Record low maximum temperature	26.4 C (79.5 F)	27 of 100 (Routine)
Enderlin 2W	United States	Record high maximum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Linxi	China	Record low minimum temperature	-9.1 C (15.6 F)	26 of 100 (Routine)
Darlag	China	Record high maximum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Kitamiesashi	Japan	Record low maximum temperature	6.9 C (44.4 F)	26 of 100 (Routine)
Volochanka	Russia	Record high minimum temperature	0.8 C (33.4 F)	26 of 100 (Routine)
Agata	Russia	Record high minimum temperature	2.1 C (35.8 F)	26 of 100 (Routine)
Zamora	Spain	Record high minimum temperature	15.0 C (59.0 F)	26 of 100 (Routine)
Leuchars	United Kingdom	Record high maximum temperature	17.7 C (63.9 F)	26 of 100 (Routine)
Buttonwillow	United States	Record low maximum temperature	18.3 C (64.9 F)	26 of 100 (Routine)
Idyllwild Fire Dept	United States	Record low maximum temperature	6.1 C (43.0 F)	26 of 100 (Routine)
Vista	United States	Record low maximum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Rothsay	United States	Record high maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Datong	China	Record low minimum temperature	-5.9 C (21.4 F)	25 of 100 (Routine)
Yushu	China	Record high maximum temperature	21.7 C (71.1 F)	25 of 100 (Routine)
M.O. Ranchi	India	Record low maximum temperature	24.2 C (75.6 F)	25 of 100 (Routine)
Zamboanga	Philippines	Record high minimum temperature	25.7 C (78.3 F)	25 of 100 (Routine)
Turuhansk	Russia	Record high minimum temperature	3.1 C (37.6 F)	25 of 100 (Routine)
Phuket	Thailand	Record high minimum temperature	26.3 C (79.3 F)	25 of 100 (Routine)

Counts by Type and Timescale

387 records

Records set or tied on 18 October 2021 by type: Highest daily maximum 80, Lowest daily maximum 93, Highest daily minimum 68, Lowest daily minimum 67, Heaviest daily rainfall 69, Heaviest daily snowfall 3, Deepest snow cover 7.

Records on 18 October 2021 by type
Record type	Records
Highest daily maximum	80
Lowest daily maximum	93
Highest daily minimum	68
Lowest daily minimum	67
Heaviest daily rainfall	69
Heaviest daily snowfall	3
Deepest snow cover	7

Records on 18 October 2021 by timescale: all-time 0, monthly 7, daily 380.

How Much Records Were Beaten By

328 broken records

Margins by which the 328 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

18 October 2021

Top 20 records on 18 October 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 2021	Guna, IN	monthly rain	101.1 mm (4.0 in)	37.6 mm (1.5 in)	65 years	66 of 100 (Major)
18 October 2021	Jhansi, IN	daily rain	91.9 mm (3.6 in)	84.5 mm (3.3 in)	54 years	63 of 100 (Major)
18 October 2021	Mukteshwar Kumaon, IN	daily rain	68.1 mm (2.7 in)	62.8 mm (2.5 in)	100 years	63 of 100 (Major)
18 October 2021	Hoshangabad, IN	daily rain	55.9 mm (2.2 in)	41.9 mm (1.6 in)	66 years	57 of 100 (Notable)
18 October 2021	Satna, IN	daily rain	50.0 mm (2.0 in)	36.8 mm (1.4 in)	88 years	57 of 100 (Notable)
18 October 2021	Boca, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	115 years	54 of 100 (Notable)
18 October 2021	Bowman Dam, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	124 years	54 of 100 (Notable)
18 October 2021	Lankaran, AZ	daily rain	99.6 mm (3.9 in)	21.1 mm (0.8 in)	108 years	50 of 100 (Notable)
18 October 2021	Fulton, US	daily rain	51.3 mm (2.0 in)	19.3 mm (0.8 in)	72 years	50 of 100 (Notable)
18 October 2021	Bowman Dam, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	87 years	47 of 100 (Notable)
18 October 2021	Laguna, AU	daily rain	42.2 mm (1.7 in)	16.3 mm (0.6 in)	67 years	42 of 100 (Notable)
18 October 2021	Arxan, CN	daily rain	30.0 mm (1.2 in)	23.3 mm (0.9 in)	12 years	42 of 100 (Notable)
18 October 2021	New Delhi/Safdarjun, IN	daily rain	87.9 mm (3.5 in)	61.0 mm (2.4 in)	23 years	42 of 100 (Notable)
18 October 2021	Bradford, GB	daily high max	18.6 C (65.5 F)	0.8 C (1.4 F)	100 years	42 of 100 (Notable)
18 October 2021	New London Lock #22, US	daily rain	81.3 mm (3.2 in)	30.5 mm (1.2 in)	15 years	42 of 100 (Notable)
18 October 2021	Turlock #2, US	daily low max	17.2 C (63.0 F)	1.1 C (2.0 F)	96 years	41 of 100 (Notable)
18 October 2021	Warrensburg 4NW, US	daily high max	31.7 C (89.1 F)	1.1 C (2.0 F)	96 years	40 of 100 (Notable)
18 October 2021	Akola, IN	daily rain	47.0 mm (1.9 in)	11.4 mm (0.4 in)	72 years	39 of 100 (Notable)
18 October 2021	Sovetskaja Gavan, RU	daily low min	-7.7 C (18.1 F)	1.1 C (2.0 F)	84 years	37 of 100 (Notable)
18 October 2021	Bhopal/Bairagarh, IN	daily rain	40.9 mm (1.6 in)	23.2 mm (0.9 in)	58 years	36 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

1794 to 2021

Records set or tied on this calendar date in each year from 1794 to 2021. 2021 had 387 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 2021-10-18: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	308
20 to 40	11
40 to 60	3
60 to 80	3
80 to 100	1
100 to 120	0
120 to 140	2