Weather Records on 31 October 2011

746 weather records were set or tied worldwide on 31 October 2011. Highest significance: Norfolk 2 SW, US.

Key Facts for 31 October 2011

On 31 October 2011, 746 weather records were set or tied at long-record stations worldwide.
327 were record highs and 196 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 36 monthly and 710 daily.
Norfolk 2 SW set a daily record snow depth of 40.6 cm (16.0 in) on 31 October 2011.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 470 records.

Record Map

746 stations

746 station records on 31 October 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 October 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Norfolk 2 SW	United States	Record snow depth	40.6 cm (16.0 in)	70 of 100 (Major)
Edward Macdowell Lake	United States	Record daily snowfall	41.9 cm (16.5 in)	70 of 100 (Major)
W Otis	United States	Record snow depth	40.6 cm (16.0 in)	66 of 100 (Major)
Surry Mtn Lake	United States	Record daily snowfall	20.3 cm (8.0 in)	66 of 100 (Major)
Ashburnham	United States	Record snow depth	35.6 cm (14.0 in)	63 of 100 (Major)
Yuendumu	Australia	Record daily precipitation	55.0 mm (2.2 in)	59 of 100 (Notable)
Birch Hill Dam	United States	Record snow depth	33.0 cm (13.0 in)	57 of 100 (Notable)
Bakersville	United States	Record snow depth	30.5 cm (12.0 in)	54 of 100 (Notable)
Vero Beach Intl AP	United States	Record daily precipitation	96.3 mm (3.8 in)	53 of 100 (Notable)
Storrs	United States	Record snow depth	12.7 cm (5.0 in)	52 of 100 (Notable)
Blue Marsh Lake	United States	Record daily snowfall	15.2 cm (6.0 in)	52 of 100 (Notable)
Concord ASOS	United States	Record snow depth	27.9 cm (11.0 in)	52 of 100 (Notable)
Otter Brook Lake	United States	Record snow depth	25.4 cm (10.0 in)	50 of 100 (Notable)
Keene	United States	Record snow depth	20.3 cm (8.0 in)	48 of 100 (Notable)
Carnegie	Australia	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Burlington	United States	Record snow depth	17.8 cm (7.0 in)	46 of 100 (Notable)
Mohonk Lake	United States	Record snow depth	17.8 cm (7.0 in)	45 of 100 (Notable)
Jandowae Post Office	Australia	Record daily precipitation	42.6 mm (1.7 in)	44 of 100 (Notable)
Pichucalco (Smn)	Mexico	Record low minimum temperature	10.6 C (51.1 F)	44 of 100 (Notable)
Newport	United States	Record snow depth	12.7 cm (5.0 in)	44 of 100 (Notable)
Pavillion	United States	Record high minimum temperature	12.2 C (54.0 F)	44 of 100 (Notable)
Danbury	United States	Record snow depth	15.2 cm (6.0 in)	42 of 100 (Notable)
Sussex 1 NW	United States	Record snow depth	12.7 cm (5.0 in)	42 of 100 (Notable)
Harnosand	Sweden	Record high maximum temperature	12.5 C (54.5 F)	41 of 100 (Notable)
Storrs	United States	Record low maximum temperature	5.0 C (41.0 F)	41 of 100 (Notable)
Surry Mtn Lake	United States	Record snow depth	12.7 cm (5.0 in)	41 of 100 (Notable)
Chilo Meldahl Locks & Dam	United States	Record low minimum temperature	-6.1 C (21.0 F)	41 of 100 (Notable)
St. Petersburg	Russia	Record high minimum temperature	8.0 C (46.4 F)	40 of 100 (Notable)
Durham	United Kingdom	Record high minimum temperature	10.5 C (50.9 F)	40 of 100 (Notable)
Ware	United States	Record snow depth	15.2 cm (6.0 in)	40 of 100 (Notable)
S Mtn	United States	Record snow depth	15.2 cm (6.0 in)	40 of 100 (Notable)
Tamaqua	United States	Record snow depth	15.2 cm (6.0 in)	40 of 100 (Notable)
Aspendell	United States	Record high minimum temperature	4.4 C (39.9 F)	39 of 100 (Notable)
Mt Carmel	United States	Record snow depth	10.2 cm (4.0 in)	39 of 100 (Notable)
Tully Lake	United States	Record snow depth	15.2 cm (6.0 in)	39 of 100 (Notable)
Xcupil (Dge)	Mexico	Record low maximum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Liberty 1 NE	United States	Record snow depth	10.2 cm (4.0 in)	38 of 100 (Notable)
Malung	Sweden	Record high maximum temperature	11.5 C (52.7 F)	37 of 100 (Notable)
Wisley	United Kingdom	Record high minimum temperature	14.2 C (57.6 F)	37 of 100 (Notable)
Barre Falls Dam	United States	Record snow depth	17.8 cm (7.0 in)	37 of 100 (Notable)
Papunya	Australia	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
Rothamsted	United Kingdom	Record high minimum temperature	13.6 C (56.5 F)	36 of 100 (Notable)
Catoctin Mtn Park	United States	Record snow depth	20.3 cm (8.0 in)	36 of 100 (Notable)
Massabesic Lake	United States	Record snow depth	12.7 cm (5.0 in)	36 of 100 (Notable)
Alcove Dam	United States	Record snow depth	12.7 cm (5.0 in)	36 of 100 (Notable)
Barraba (Log Cabin)	Australia	Record daily precipitation	54.0 mm (2.1 in)	35 of 100 (Notable)
Uralla (Dumaresq St)	Australia	Record daily precipitation	41.6 mm (1.6 in)	35 of 100 (Notable)
Buffumville Lake	United States	Record snow depth	15.2 cm (6.0 in)	35 of 100 (Notable)
Vaughan Springs	Australia	Record daily precipitation	34.0 mm (1.3 in)	34 of 100 (Routine)
New Crown	Australia	Record daily precipitation	28.0 mm (1.1 in)	34 of 100 (Routine)
E Brimfield Lake	United States	Record snow depth	15.2 cm (6.0 in)	34 of 100 (Routine)
Marlow	United States	Record snow depth	25.4 cm (10.0 in)	34 of 100 (Routine)
Morgantown	United States	Record snow depth	10.2 cm (4.0 in)	34 of 100 (Routine)
Union Village Dam	United States	Record snow depth	10.2 cm (4.0 in)	34 of 100 (Routine)
McGrath AP	United States	Record snow depth	35.6 cm (14.0 in)	34 of 100 (Routine)
Richmond Post Office	Australia	Record high minimum temperature	25.8 C (78.4 F)	33 of 100 (Routine)
Saga	Japan	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
El Socorro	Mexico	Record low maximum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Seychelles Internat	Seychelles	Record daily precipitation	157.0 mm (6.2 in)	33 of 100 (Routine)
Wellingrove (Wangalea)	Australia	Record daily precipitation	34.0 mm (1.3 in)	32 of 100 (Routine)

Counts by Type and Timescale

746 records

Records set or tied on 31 October 2011 by type: Highest daily maximum 128, Lowest daily maximum 64, Highest daily minimum 199, Lowest daily minimum 132, Heaviest daily rainfall 110, Heaviest daily snowfall 8, Deepest snow cover 105.

Records on 31 October 2011 by type
Record type	Records
Highest daily maximum	128
Lowest daily maximum	64
Highest daily minimum	199
Lowest daily minimum	132
Heaviest daily rainfall	110
Heaviest daily snowfall	8
Deepest snow cover	105

Records on 31 October 2011 by timescale: all-time 0, monthly 36, daily 710.

How Much Records Were Beaten By

583 broken records

Margins by which the 583 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 406.0. Ties are not counted.

Top 20 by Significance

31 October 2011

Top 20 records on 31 October 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 2011	Norfolk 2 SW, US	daily snow depth	40.6 cm (16.0 in)	40.6 cm (16.0 in)	68 years	70 of 100 (Major)
31 October 2011	Edward Macdowell Lake, US	monthly snowfall	41.9 cm (16.5 in)	34.3 cm (13.5 in)	49 years	70 of 100 (Major)
31 October 2011	W Otis, US	daily snow depth	40.6 cm (16.0 in)	40.6 cm (16.0 in)	62 years	66 of 100 (Major)
31 October 2011	Surry Mtn Lake, US	monthly snowfall	20.3 cm (8.0 in)	16.5 cm (6.5 in)	59 years	66 of 100 (Major)
31 October 2011	Ashburnham, US	daily snow depth	35.6 cm (14.0 in)	35.6 cm (14.0 in)	62 years	63 of 100 (Major)
31 October 2011	Yuendumu, AU	daily rain	55.0 mm (2.2 in)	40.0 mm (1.6 in)	44 years	59 of 100 (Notable)
31 October 2011	Birch Hill Dam, US	daily snow depth	33.0 cm (13.0 in)	33.0 cm (13.0 in)	62 years	57 of 100 (Notable)
31 October 2011	Bakersville, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	62 years	54 of 100 (Notable)
31 October 2011	Vero Beach Intl AP, US	daily rain	96.3 mm (3.8 in)	65.8 mm (2.6 in)	50 years	53 of 100 (Notable)
31 October 2011	Storrs, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	122 years	52 of 100 (Notable)
31 October 2011	Blue Marsh Lake, US	monthly snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	33 years	52 of 100 (Notable)
31 October 2011	Concord ASOS, US	daily snow depth	27.9 cm (11.0 in)	27.9 cm (11.0 in)	62 years	52 of 100 (Notable)
31 October 2011	Otter Brook Lake, US	monthly snow depth	25.4 cm (10.0 in)	20.3 cm (8.0 in)	51 years	50 of 100 (Notable)
31 October 2011	Keene, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	61 years	48 of 100 (Notable)
31 October 2011	Carnegie, AU	daily rain	25.4 mm (1.0 in)	17.0 mm (0.7 in)	38 years	47 of 100 (Notable)
31 October 2011	Burlington, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	72 years	46 of 100 (Notable)
31 October 2011	Mohonk Lake, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	62 years	45 of 100 (Notable)
31 October 2011	Jandowae Post Office, AU	daily rain	42.6 mm (1.7 in)	18.5 mm (0.7 in)	58 years	44 of 100 (Notable)
31 October 2011	Pichucalco (Smn), MX	daily low min	10.6 C (51.1 F)	5.0 C (9.0 F)	58 years	44 of 100 (Notable)
31 October 2011	Newport, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	80 years	44 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

1805 to 2011

Records set or tied on this calendar date in each year from 1805 to 2011. 2011 had 746 records.

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

Records on 10-31 in each year
Year	Records
1805	1
1811	2
1828	1
1836	1
1838	1
1839	1
1841	1
1845	1
1847	2
1848	1
1852	2
1856	1
1865	1
1868	1
1869	3
1873	2
1875	2
1876	1
1877	1
1878	1
1879	1
1880	1
1881	6
1883	1
1884	3
1886	1
1887	2
1888	3
1889	5
1891	3
1892	4
1893	3
1894	5
1895	4
1896	10
1897	1
1898	5
1899	4
1900	5
1901	4
1902	5
1903	5
1904	7
1905	21
1906	38
1907	22
1908	13
1909	15
1910	18
1911	32
1912	14
1913	39
1914	33
1915	11
1916	72
1917	67
1918	72
1919	112
1920	63
1921	22
1922	72
1923	359
1924	244
1925	405
1926	153
1927	183
1928	120
1929	234
1930	240
1931	178
1932	260
1933	796
1934	410
1935	981
1936	307
1937	335
1938	399
1939	415
1940	248
1941	536
1942	578
1943	213
1944	611
1945	287
1946	530
1947	371
1948	695
1949	831
1950	1,237
1951	527
1952	393
1953	303
1954	460
1955	427
1956	1,086
1957	392
1958	314
1959	484
1960	296
1961	511
1962	344
1963	631
1964	538
1965	340
1966	630
1967	748
1968	605
1969	531
1970	412
1971	992
1972	1,234
1973	581
1974	1,192
1975	827
1976	655
1977	616
1978	538
1979	1,130
1980	657
1981	497
1982	560
1983	782
1984	1,054
1985	632
1986	396
1987	1,002
1988	1,058
1989	857
1990	990
1991	3,294
1992	1,324
1993	2,926
1994	1,004
1995	1,051
1996	1,074
1997	1,553
1998	1,410
1999	997
2000	1,114
2001	1,218
2002	1,613
2003	1,167
2004	870
2005	1,048
2006	842
2007	613
2008	1,256
2009	1,030
2010	931
2011	746
2012	884
2013	623
2014	547
2015	691
2016	1,012
2017	437
2018	414
2019	2,501
2020	542
2021	469
2022	497
2023	960
2024	1,133
2025	314

Download the Data

Data for records on 2011-10-31: 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 100	545
100 to 200	27
200 to 300	5
300 to 400	4
400 to 500	2