Weather Records on 27 October 2011

690 weather records were set or tied worldwide on 27 October 2011. Highest significance: Geraldton Town, AU.

Key Facts for 27 October 2011

On 27 October 2011, 690 weather records were set or tied at long-record stations worldwide.
164 were record highs and 256 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 41 monthly and 648 daily.
Geraldton Town set a daily record precipitation of 47.0 mm (1.9 in) on 27 October 2011.
Across 159 earlier years (1802 to 2025) the same calendar date averaged 477 records.

Record Map

690 stations

690 station records on 27 October 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 October 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Geraldton Town	Australia	Record daily precipitation	47.0 mm (1.9 in)	60 of 100 (Major)
Geraldton Airport	Australia	Record daily precipitation	43.4 mm (1.7 in)	57 of 100 (Notable)
San Jon	United States	Record daily snowfall	12.7 cm (5.0 in)	55 of 100 (Notable)
Seemore Downs	Australia	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Yundamindra	Australia	Record daily precipitation	50.0 mm (2.0 in)	52 of 100 (Notable)
Ft Morgan	United States	Record snow depth	12.7 cm (5.0 in)	51 of 100 (Notable)
Sandsprings	Australia	Record daily precipitation	36.2 mm (1.4 in)	50 of 100 (Notable)
Tucumcari 4 NE	United States	Record snow depth	10.2 cm (4.0 in)	50 of 100 (Notable)
Hereford	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Panhandle	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Pointe Noire	Congo (Brazzaville)	Record daily precipitation	119.1 mm (4.7 in)	49 of 100 (Notable)
Dilia	United States	Record daily snowfall	10.2 cm (4.0 in)	47 of 100 (Notable)
Tucumcari 4 NE	United States	Record daily snowfall	8.9 cm (3.5 in)	47 of 100 (Notable)
Boulder	United States	Record low minimum temperature	-10.0 C (14.0 F)	46 of 100 (Notable)
Canon City	United States	Record low minimum temperature	-7.8 C (18.0 F)	46 of 100 (Notable)
Cheesman	United States	Record low maximum temperature	-2.8 C (27.0 F)	46 of 100 (Notable)
Ft Collins	United States	Record low minimum temperature	-11.1 C (12.0 F)	44 of 100 (Notable)
Reus/Aeropuerto	Spain	Record daily precipitation	55.0 mm (2.2 in)	43 of 100 (Notable)
Barcelona -Fabra Observatory	Spain	Record daily precipitation	35.5 mm (1.4 in)	43 of 100 (Notable)
Buena Vista 2S	United States	Record low maximum temperature	0.0 C (32.0 F)	43 of 100 (Notable)
Loa	United States	Record low maximum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Georgetown	United States	Record low maximum temperature	-5.0 C (23.0 F)	41 of 100 (Notable)
Yuma	United States	Record snow depth	10.2 cm (4.0 in)	41 of 100 (Notable)
Sunnyside	United States	Record low maximum temperature	8.9 C (48.0 F)	41 of 100 (Notable)
San Jon	United States	Record snow depth	12.7 cm (5.0 in)	40 of 100 (Notable)
Tangier City	Morocco	Record daily precipitation	25.9 mm (1.0 in)	39 of 100 (Notable)
Ragland 3 SSW	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Gibb River	Australia	Record daily precipitation	25.2 mm (1.0 in)	38 of 100 (Notable)
Delungra Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Canon City	United States	Record low maximum temperature	1.1 C (34.0 F)	38 of 100 (Notable)
Waterdale	United States	Record low minimum temperature	-10.6 C (12.9 F)	38 of 100 (Notable)
Devils Garden	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Kimball 2NE	United States	Record low minimum temperature	-12.8 C (9.0 F)	37 of 100 (Notable)
Berkshire Valley	Australia	Record daily precipitation	28.6 mm (1.1 in)	36 of 100 (Notable)
Sapphire (Argyle)	Australia	Record daily precipitation	33.6 mm (1.3 in)	36 of 100 (Notable)
Kassler	United States	Record daily snowfall	5.8 cm (2.3 in)	36 of 100 (Notable)
Pindari Dam	Australia	Record daily precipitation	68.5 mm (2.7 in)	35 of 100 (Notable)
Mwanza	Tanzania	Record daily precipitation	38.1 mm (1.5 in)	35 of 100 (Notable)
Dilia	United States	Record snow depth	10.2 cm (4.0 in)	35 of 100 (Notable)
Delungra (Pearsby Hall)	Australia	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Rosso	Mauritania	Record high minimum temperature	28.0 C (82.4 F)	34 of 100 (Routine)
Pichucalco (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Hillsboro	United States	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
McGrath AP	United States	Record daily snowfall	15.7 cm (6.2 in)	34 of 100 (Routine)
Cardup	Australia	Record daily precipitation	38.2 mm (1.5 in)	33 of 100 (Routine)
Leonora	Australia	Record daily precipitation	34.4 mm (1.4 in)	33 of 100 (Routine)
St. Brandon (St. Ra	Mauritius	Record high maximum temperature	31.4 C (88.5 F)	33 of 100 (Routine)
Harare (Kutsaga)	Zimbabwe	Record high minimum temperature	20.8 C (69.4 F)	33 of 100 (Routine)
Blue Hill Lcd	United States	Record daily snowfall	6.4 cm (2.5 in)	32 of 100 (Routine)
Ashford (Springvale)	Australia	Record daily precipitation	55.0 mm (2.2 in)	31 of 100 (Routine)
Eagle Nest	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Santa Fe Co Muni AP	United States	Record low maximum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Bundaleer	Australia	Record daily precipitation	55.0 mm (2.2 in)	29 of 100 (Routine)
Taretaro	Mexico	Record low maximum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Bailey	United States	Record low minimum temperature	-17.8 C (0.0 F)	29 of 100 (Routine)
Red Rvr	United States	Record daily precipitation	26.4 mm (1.0 in)	29 of 100 (Routine)
Belleville L&D	United States	Record daily precipitation	54.6 mm (2.1 in)	29 of 100 (Routine)
Laramie AP	United States	Record low minimum temperature	-26.7 C (-16.1 F)	29 of 100 (Routine)
Hobart Muni AP	United States	Record daily precipitation	31.2 mm (1.2 in)	29 of 100 (Routine)
Gaoua	Burkina Faso	Record high minimum temperature	24.9 C (76.8 F)	29 of 100 (Routine)

Counts by Type and Timescale

690 records

Records set or tied on 27 October 2011 by type: Highest daily maximum 109, Lowest daily maximum 85, Highest daily minimum 55, Lowest daily minimum 171, Heaviest daily rainfall 184, Heaviest daily snowfall 50, Deepest snow cover 36.

Records on 27 October 2011 by type
Record type	Records
Highest daily maximum	109
Lowest daily maximum	85
Highest daily minimum	55
Lowest daily minimum	171
Heaviest daily rainfall	184
Heaviest daily snowfall	50
Deepest snow cover	36

Records on 27 October 2011 by timescale: all-time 1, monthly 41, daily 648.

How Much Records Were Beaten By

486 broken records

Margins by which the 486 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

27 October 2011

Top 20 records on 27 October 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 October 2011	Geraldton Town, AU	daily rain	47.0 mm (1.9 in)	37.0 mm (1.5 in)	36 years	60 of 100 (Major)
27 October 2011	Geraldton Airport, AU	daily rain	43.4 mm (1.7 in)	33.4 mm (1.3 in)	36 years	57 of 100 (Notable)
27 October 2011	San Jon, US	daily snowfall	12.7 cm (5.0 in)	7.6 cm (3.0 in)	100 years	55 of 100 (Notable)
27 October 2011	Seemore Downs, AU	daily rain	32.0 mm (1.3 in)	26.0 mm (1.0 in)	20 years	53 of 100 (Notable)
27 October 2011	Yundamindra, AU	monthly rain	50.0 mm (2.0 in)	5.8 mm (0.23 in)	81 years	52 of 100 (Notable)
27 October 2011	Ft Morgan, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	98 years	51 of 100 (Notable)
27 October 2011	Sandsprings, AU	daily rain	36.2 mm (1.4 in)	28.0 mm (1.1 in)	1 year	50 of 100 (Notable)
27 October 2011	Tucumcari 4 NE, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	105 years	50 of 100 (Notable)
27 October 2011	Hereford, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	104 years	50 of 100 (Notable)
27 October 2011	Panhandle, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	100 years	50 of 100 (Notable)
27 October 2011	Pointe Noire, CG	daily rain	119.1 mm (4.7 in)	80.0 mm (3.1 in)	12 years	49 of 100 (Notable)
27 October 2011	Dilia, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	68 years	47 of 100 (Notable)
27 October 2011	Tucumcari 4 NE, US	daily snowfall	8.9 cm (3.5 in)	3.8 cm (1.5 in)	100 years	47 of 100 (Notable)
27 October 2011	Boulder, US	daily low min	-10.0 C (14.0 F)	3.9 C (7.0 F)	93 years	46 of 100 (Notable)
27 October 2011	Canon City, US	daily low min	-7.8 C (18.0 F)	2.8 C (5.0 F)	117 years	46 of 100 (Notable)
27 October 2011	Cheesman, US	daily low max	-2.8 C (27.0 F)	3.9 C (7.0 F)	100 years	46 of 100 (Notable)
27 October 2011	Ft Collins, US	daily low min	-11.1 C (12.0 F)	1.7 C (3.1 F)	115 years	44 of 100 (Notable)
27 October 2011	Reus/Aeropuerto, ES	daily rain	55.0 mm (2.2 in)	30.5 mm (1.2 in)	64 years	43 of 100 (Notable)
27 October 2011	Barcelona -Fabra Observatory, ES	daily rain	35.5 mm (1.4 in)	7.7 mm (0.30 in)	96 years	43 of 100 (Notable)
27 October 2011	Buena Vista 2S, US	daily low max	0.0 C (32.0 F)	1.7 C (3.1 F)	100 years	43 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

1802 to 2011

Records set or tied on this calendar date in each year from 1802 to 2011. 2011 had 690 records.

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

Records on 10-27 in each year
Year	Records
1802	1
1807	1
1816	1
1831	1
1838	1
1840	1
1841	2
1847	2
1849	2
1856	2
1861	1
1866	4
1869	4
1870	2
1871	2
1873	1
1874	2
1876	1
1878	1
1880	2
1881	2
1885	2
1886	2
1887	5
1888	3
1889	1
1890	2
1892	3
1893	2
1894	2
1895	3
1896	2
1898	4
1899	14
1900	9
1901	5
1902	8
1903	23
1904	6
1905	11
1906	11
1907	9
1908	16
1909	13
1910	14
1911	20
1912	42
1913	91
1914	54
1915	65
1916	28
1917	45
1918	77
1919	74
1920	98
1921	37
1922	97
1923	63
1924	104
1925	383
1926	176
1927	521
1928	162
1929	92
1930	158
1931	241
1932	319
1933	313
1934	173
1935	266
1936	725
1937	477
1938	160
1939	836
1940	605
1941	409
1942	629
1943	479
1944	519
1945	674
1946	450
1947	551
1948	160
1949	182
1950	603
1951	269
1952	640
1953	285
1954	493
1955	578
1956	339
1957	1,116
1958	163
1959	376
1960	180
1961	428
1962	704
1963	798
1964	294
1965	284
1966	256
1967	485
1968	436
1969	532
1970	1,071
1971	1,157
1972	694
1973	719
1974	384
1975	424
1976	1,387
1977	608
1978	593
1979	553
1980	1,148
1981	1,076
1982	793
1983	707
1984	1,183
1985	592
1986	531
1987	863
1988	829
1989	1,506
1990	441
1991	1,722
1992	703
1993	667
1994	894
1995	1,238
1996	1,651
1997	2,783
1998	1,696
1999	991
2000	832
2001	1,100
2002	1,040
2003	1,669
2004	1,546
2005	897
2006	1,442
2007	950
2008	650
2009	954
2010	1,676
2011	690
2012	991
2013	706
2014	973
2015	395
2016	761
2017	582
2018	701
2019	1,364
2020	2,886
2021	536
2022	657
2023	1,668
2024	694
2025	524

Download the Data

Data for records on 2011-10-27: 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 20	412
20 to 40	49
40 to 60	16
60 to 80	2
80 to 100	1
100 to 120	4
120 to 140	2