Weather Records on 18 October 2011

736 weather records were set or tied worldwide on 18 October 2011. Highest significance: Cairns Post Office, AU.

Key Facts for 18 October 2011

On 18 October 2011, 736 weather records were set or tied at long-record stations worldwide.
360 were record highs and 149 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 22 monthly and 713 daily.
Cairns Post Office set a monthly record daily precipitation of 213.4 mm (8.4 in) on 18 October 2011.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 432 records.

Record Map

736 stations

736 station records on 18 October 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cairns Post Office	Australia	Record daily precipitation	213.4 mm (8.4 in)	84 of 100 (Exceptional)
Kerch	Ukraine	Record daily precipitation	29.0 mm (1.1 in)	67 of 100 (Major)
Jokkmokk	Sweden	Record daily precipitation	28.0 mm (1.1 in)	65 of 100 (Major)
Cardenas	Mexico	Record daily precipitation	289.8 mm (11.4 in)	60 of 100 (Major)
Evelyn State Forest	Australia	Record daily precipitation	39.4 mm (1.6 in)	58 of 100 (Notable)
Centro Experimental W-75	Mexico	Record daily precipitation	226.8 mm (8.9 in)	56 of 100 (Notable)
Poblado C-16	Mexico	Record daily precipitation	192.8 mm (7.6 in)	55 of 100 (Notable)
Comalcalco (Dge)	Mexico	Record daily precipitation	182.4 mm (7.2 in)	52 of 100 (Notable)
Poblado C-28	Mexico	Record daily precipitation	209.8 mm (8.3 in)	52 of 100 (Notable)
Kilagarden	Sweden	Record daily precipitation	26.8 mm (1.1 in)	49 of 100 (Notable)
Samaria	Mexico	Record daily precipitation	167.6 mm (6.6 in)	47 of 100 (Notable)
Varna	Bulgaria	Record daily precipitation	123.7 mm (4.9 in)	46 of 100 (Notable)
Teresina (Aeroporto	Brazil	Record daily precipitation	51.1 mm (2.0 in)	45 of 100 (Notable)
Dunbar Station	Australia	Record daily precipitation	75.0 mm (3.0 in)	43 of 100 (Notable)
Alingsas_D	Sweden	Record daily precipitation	35.2 mm (1.4 in)	42 of 100 (Notable)
Bauhinia Downs Store	Australia	Record daily precipitation	26.6 mm (1.0 in)	41 of 100 (Notable)
San Jeronimo	Mexico	Record daily precipitation	140.0 mm (5.5 in)	41 of 100 (Notable)
Happy Valley	Australia	Record daily precipitation	130.0 mm (5.1 in)	40 of 100 (Notable)
Izium	Ukraine	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Union Juarez	Mexico	Record daily precipitation	103.9 mm (4.1 in)	39 of 100 (Notable)
Rossared	Sweden	Record daily precipitation	32.3 mm (1.3 in)	38 of 100 (Notable)
Uplo	Sweden	Record daily precipitation	31.4 mm (1.2 in)	37 of 100 (Notable)
Brownwood 2NE	United States	Record high maximum temperature	34.4 C (93.9 F)	37 of 100 (Notable)
Metapa de Dominguez	Mexico	Record daily precipitation	96.8 mm (3.8 in)	36 of 100 (Notable)
Tifton	United States	Record daily precipitation	47.2 mm (1.9 in)	36 of 100 (Notable)
Valley Park	United States	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Frontera Hidalgo	Mexico	Record low maximum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Poblado C-22	Mexico	Record daily precipitation	235.0 mm (9.3 in)	34 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record low minimum temperature	-2.0 C (28.4 F)	34 of 100 (Routine)
Naples	United States	Record low maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Breckenridge	United States	Record high maximum temperature	33.9 C (93.0 F)	34 of 100 (Routine)
Meringa Sugar Exp STN	Australia	Record daily precipitation	109.0 mm (4.3 in)	33 of 100 (Routine)
Huayacocotla	Mexico	Record high maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Zhigalovo	Russia	Record high maximum temperature	12.7 C (54.9 F)	32 of 100 (Routine)
Iskenderun	Turkey	Record daily precipitation	57.9 mm (2.3 in)	32 of 100 (Routine)
Cookeville	United States	Record high maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)
San Antonio Sur	Mexico	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Iturbide	Mexico	Record low minimum temperature	-1.1 C (30.0 F)	31 of 100 (Routine)
Tulun	Russia	Record high maximum temperature	18.5 C (65.3 F)	31 of 100 (Routine)
Mala	Sweden	Record daily precipitation	25.5 mm (1.0 in)	31 of 100 (Routine)
Dry Tortugas	United States	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Upper Barron	Australia	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Gonzalez	Mexico	Record daily precipitation	124.5 mm (4.9 in)	29 of 100 (Routine)
Braganca	Portugal	Record high maximum temperature	26.4 C (79.5 F)	29 of 100 (Routine)
Maksimovo	Russia	Record high maximum temperature	15.4 C (59.7 F)	29 of 100 (Routine)
Stockton Fire STN 4	United States	Record high minimum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Tellico Plains	United States	Record daily precipitation	46.2 mm (1.8 in)	29 of 100 (Routine)
Coahuayutla	Mexico	Record low maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Cluj Napoca	Romania	Record low minimum temperature	-6.0 C (21.2 F)	28 of 100 (Routine)
Grebbeshult	Sweden	Record daily precipitation	34.2 mm (1.3 in)	28 of 100 (Routine)
Boras	Sweden	Record daily precipitation	35.8 mm (1.4 in)	28 of 100 (Routine)
Waynesville 2 W	United States	Record daily precipitation	31.7 mm (1.2 in)	28 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record daily precipitation	106.4 mm (4.2 in)	28 of 100 (Routine)
St Lawrence Post Office	Australia	Record low maximum temperature	21.9 C (71.4 F)	27 of 100 (Routine)
Tengchong	China	Record daily precipitation	45.1 mm (1.8 in)	27 of 100 (Routine)
Shiraz	Iran	Record high maximum temperature	31.0 C (87.8 F)	27 of 100 (Routine)
Metapa de Dominguez	Mexico	Record low maximum temperature	28.9 C (84.0 F)	27 of 100 (Routine)
Fulton 3 W	United States	Record high maximum temperature	30.6 C (87.1 F)	27 of 100 (Routine)
White Sands Natl Mon	United States	Record high maximum temperature	32.8 C (91.0 F)	27 of 100 (Routine)
Roscoe	United States	Record high maximum temperature	33.9 C (93.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

736 records

Records set or tied on 18 October 2011 by type: Highest daily maximum 280, Lowest daily maximum 57, Highest daily minimum 80, Lowest daily minimum 92, Heaviest daily rainfall 227.

Records on 18 October 2011 by type
Record type	Records
Highest daily maximum	280
Lowest daily maximum	57
Highest daily minimum	80
Lowest daily minimum	92
Heaviest daily rainfall	227
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 October 2011 by timescale: all-time 1, monthly 22, daily 713.

How Much Records Were Beaten By

552 broken records

Margins by which the 552 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 210.0. Ties are not counted.

Top 20 by Significance

18 October 2011

Top 20 records on 18 October 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 2011	Cairns Post Office, AU	monthly rain	213.4 mm (8.4 in)	75.0 mm (3.0 in)	81 years	84 of 100 (Exceptional)
18 October 2011	Kerch, UA	daily rain	29.0 mm (1.1 in)	23.3 mm (0.9 in)	66 years	67 of 100 (Major)
18 October 2011	Jokkmokk, SE	daily rain	28.0 mm (1.1 in)	9.9 mm (0.39 in)	104 years	65 of 100 (Major)
18 October 2011	Cardenas, MX	daily rain	289.8 mm (11.4 in)	210.0 mm (8.3 in)	52 years	60 of 100 (Major)
18 October 2011	Evelyn State Forest, AU	daily rain	39.4 mm (1.6 in)	22.9 mm (0.9 in)	65 years	58 of 100 (Notable)
18 October 2011	Centro Experimental W-75, MX	daily rain	226.8 mm (8.9 in)	170.7 mm (6.7 in)	37 years	56 of 100 (Notable)
18 October 2011	Poblado C-16, MX	daily rain	192.8 mm (7.6 in)	174.0 mm (6.9 in)	37 years	55 of 100 (Notable)
18 October 2011	Comalcalco (Dge), MX	daily rain	182.4 mm (7.2 in)	127.5 mm (5.0 in)	44 years	52 of 100 (Notable)
18 October 2011	Poblado C-28, MX	daily rain	209.8 mm (8.3 in)	134.9 mm (5.3 in)	28 years	52 of 100 (Notable)
18 October 2011	Kilagarden, SE	daily rain	26.8 mm (1.1 in)	15.8 mm (0.6 in)	40 years	49 of 100 (Notable)
18 October 2011	Samaria, MX	daily rain	167.6 mm (6.6 in)	79.5 mm (3.1 in)	52 years	47 of 100 (Notable)
18 October 2011	Varna, BG	daily rain	123.7 mm (4.9 in)	102.6 mm (4.0 in)	1 year	46 of 100 (Notable)
18 October 2011	Teresina (Aeroporto, BR	daily rain	51.1 mm (2.0 in)	46.0 mm (1.8 in)	14 years	45 of 100 (Notable)
18 October 2011	Dunbar Station, AU	daily rain	75.0 mm (3.0 in)	54.0 mm (2.1 in)	10 years	43 of 100 (Notable)
18 October 2011	Alingsas_D, SE	daily rain	35.2 mm (1.4 in)	11.4 mm (0.4 in)	61 years	42 of 100 (Notable)
18 October 2011	Bauhinia Downs Store, AU	daily rain	26.6 mm (1.0 in)	2.0 mm (0.08 in)	113 years	41 of 100 (Notable)
18 October 2011	San Jeronimo, MX	daily rain	140.0 mm (5.5 in)	62.0 mm (2.4 in)	40 years	41 of 100 (Notable)
18 October 2011	Happy Valley, AU	daily rain	130.0 mm (5.1 in)	79.0 mm (3.1 in)	4 years	40 of 100 (Notable)
18 October 2011	Izium, UA	daily rain	31.0 mm (1.2 in)	20.0 mm (0.8 in)	6 years	40 of 100 (Notable)
18 October 2011	Union Juarez, MX	daily rain	103.9 mm (4.1 in)	55.1 mm (2.2 in)	37 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

1794 to 2011

Records set or tied on this calendar date in each year from 1794 to 2011. 2011 had 736 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 2011-10-18: 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 2026-10-16 (16 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 50	539
50 to 100	7
100 to 150	3
150 to 200	2
200 to 250	1