Weather Records on 21 February 2011

1,379 weather records were set or tied worldwide on 21 February 2011. Highest significance: Bowman, US.

Key Facts for 21 February 2011

On 21 February 2011, 1,379 weather records were set or tied at long-record stations worldwide.
372 were record highs and 402 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 73 monthly and 1,299 daily.
Bowman set a monthly record daily snowfall of 39.1 cm (15.4 in) on 21 February 2011.
Across 164 earlier years (1795 to 2026) the same calendar date averaged 496 records.

Record Map

1,379 stations

1,379 station records on 21 February 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 February 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bowman	United States	Record daily snowfall	39.1 cm (15.4 in)	85 of 100 (Exceptional)
Yorketown	Australia	Record daily precipitation	73.6 mm (2.9 in)	78 of 100 (Major)
Yankalilla	Australia	Record daily precipitation	73.4 mm (2.9 in)	78 of 100 (Major)
Lake City	United States	Record daily precipitation	49.0 mm (1.9 in)	78 of 100 (Major)
Kalingapatam	India	Record daily precipitation	49.0 mm (1.9 in)	77 of 100 (Major)
Fredonia	United States	Record daily snowfall	33.0 cm (13.0 in)	75 of 100 (Major)
St Peter	United States	Record daily precipitation	29.2 mm (1.1 in)	74 of 100 (Major)
Faulkton	United States	Record daily snowfall	25.4 cm (10.0 in)	72 of 100 (Major)
Fairbanks Intl AP	United States	Record daily snowfall	30.2 cm (11.9 in)	68 of 100 (Major)
Minlaton	Australia	Record daily precipitation	74.6 mm (2.9 in)	66 of 100 (Major)
Collegeville St John's	United States	Record daily snowfall	34.3 cm (13.5 in)	66 of 100 (Major)
Postville	United States	Record daily precipitation	30.0 mm (1.2 in)	65 of 100 (Major)
Fargo Hector Intl AP	United States	Record daily snowfall	17.0 cm (6.7 in)	64 of 100 (Major)
Hastings Dam 2	United States	Record daily snowfall	25.4 cm (10.0 in)	62 of 100 (Major)
Carson	United States	Record daily precipitation	25.4 mm (1.0 in)	62 of 100 (Major)
Clark	United States	Record daily snowfall	33.0 cm (13.0 in)	62 of 100 (Major)
Baldwin	United States	Record daily snowfall	30.5 cm (12.0 in)	62 of 100 (Major)
Pittsburgh ASOS	United States	Record daily snowfall	20.1 cm (7.9 in)	61 of 100 (Major)
Saint Johns	United States	Record daily snowfall	30.5 cm (12.0 in)	60 of 100 (Major)
Castlewood	United States	Record daily snowfall	29.2 cm (11.5 in)	60 of 100 (Major)
Mc Laughlin 2SW	United States	Record daily snowfall	27.9 cm (11.0 in)	60 of 100 (Major)
Menomonie	United States	Record daily precipitation	26.7 mm (1.1 in)	60 of 100 (Major)
College Obsy	United States	Record daily snowfall	31.7 cm (12.5 in)	60 of 100 (Major)
Ogilvie	Australia	Record daily precipitation	40.0 mm (1.6 in)	59 of 100 (Notable)
En Nahud	Sudan	Record daily precipitation	62.2 mm (2.4 in)	59 of 100 (Notable)
Clear Lake	United States	Record daily snowfall	35.1 cm (13.8 in)	59 of 100 (Notable)
Gettysburg	United States	Record daily snowfall	35.6 cm (14.0 in)	59 of 100 (Notable)
Kewaunee	United States	Record daily snowfall	22.9 cm (9.0 in)	59 of 100 (Notable)
Ridgeland 1NNE	United States	Record daily snowfall	27.9 cm (11.0 in)	59 of 100 (Notable)
Arno Bay	Australia	Record daily precipitation	38.0 mm (1.5 in)	58 of 100 (Notable)
St Peter	United States	Record daily snowfall	26.4 cm (10.4 in)	57 of 100 (Notable)
Knobs 4 SW	United States	Record snow depth	33.0 cm (13.0 in)	57 of 100 (Notable)
Appleton	United States	Record daily snowfall	25.9 cm (10.2 in)	57 of 100 (Notable)
Brillion	United States	Record daily snowfall	27.9 cm (11.0 in)	57 of 100 (Notable)
Allegany Sp	United States	Record daily snowfall	25.4 cm (10.0 in)	56 of 100 (Notable)
Sibley	United States	Record daily precipitation	25.9 mm (1.0 in)	55 of 100 (Notable)
Pontiac Wwtp	United States	Record daily snowfall	19.1 cm (7.5 in)	55 of 100 (Notable)
Raymond 3 NE	United States	Record daily snowfall	27.9 cm (11.0 in)	55 of 100 (Notable)
Selby	United States	Record daily snowfall	25.1 cm (9.9 in)	55 of 100 (Notable)
Hampton	United States	Record daily precipitation	29.2 mm (1.1 in)	54 of 100 (Notable)
Little Falls 2NNE	United States	Record daily snowfall	25.4 cm (10.0 in)	54 of 100 (Notable)
Mora	United States	Record daily snowfall	30.5 cm (12.0 in)	54 of 100 (Notable)
Wheaton	United States	Record daily snowfall	28.7 cm (11.3 in)	54 of 100 (Notable)
Waupaca	United States	Record daily snowfall	37.1 cm (14.6 in)	54 of 100 (Notable)
Milly Milly	Australia	Record daily precipitation	75.0 mm (3.0 in)	53 of 100 (Notable)
Charlotte	United States	Record daily snowfall	15.2 cm (6.0 in)	53 of 100 (Notable)
Stevens Pt	United States	Record daily snowfall	27.9 cm (11.0 in)	53 of 100 (Notable)
Dayton Intl AP	United States	Record daily precipitation	35.1 mm (1.4 in)	53 of 100 (Notable)
Hancock Exp Farm	United States	Record daily snowfall	25.4 cm (10.0 in)	52 of 100 (Notable)
Mather 3 NW	United States	Record daily snowfall	25.4 cm (10.0 in)	52 of 100 (Notable)
Akron Canton AP	United States	Record daily snowfall	15.0 cm (5.9 in)	52 of 100 (Notable)
Jordan 1SSW	United States	Record daily snowfall	29.5 cm (11.6 in)	51 of 100 (Notable)
Montevideo 1SW	United States	Record daily precipitation	34.0 mm (1.3 in)	51 of 100 (Notable)
McKinley Park	United States	Record daily snowfall	27.9 cm (11.0 in)	51 of 100 (Notable)
Hastings Dam 2	United States	Record daily precipitation	27.9 mm (1.1 in)	50 of 100 (Notable)
Chemung	United States	Record daily snowfall	18.3 cm (7.2 in)	50 of 100 (Notable)
Holcombe	United States	Record daily snowfall	20.3 cm (8.0 in)	50 of 100 (Notable)
Forest City 2 NNE	United States	Record daily precipitation	26.7 mm (1.1 in)	49 of 100 (Notable)
Owosso Wwtp	United States	Record daily snowfall	24.1 cm (9.5 in)	49 of 100 (Notable)
Warren	United States	Record daily snowfall	19.1 cm (7.5 in)	49 of 100 (Notable)

Counts by Type and Timescale

1,379 records

Records set or tied on 21 February 2011 by type: Highest daily maximum 201, Lowest daily maximum 223, Highest daily minimum 171, Lowest daily minimum 179, Heaviest daily rainfall 283, Heaviest daily snowfall 260, Deepest snow cover 62.

Records on 21 February 2011 by type
Record type	Records
Highest daily maximum	201
Lowest daily maximum	223
Highest daily minimum	171
Lowest daily minimum	179
Heaviest daily rainfall	283
Heaviest daily snowfall	260
Deepest snow cover	62

Records on 21 February 2011 by timescale: all-time 7, monthly 73, daily 1,299.

How Much Records Were Beaten By

1,125 broken records

Margins by which the 1,125 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 331.0. Ties are not counted.

Top 20 by Significance

21 February 2011

Top 20 records on 21 February 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 February 2011	Bowman, US	monthly snowfall	39.1 cm (15.4 in)	18.8 cm (7.4 in)	88 years	85 of 100 (Exceptional)
21 February 2011	Yorketown, AU	daily rain	73.6 mm (2.9 in)	44.4 mm (1.7 in)	93 years	78 of 100 (Major)
21 February 2011	Yankalilla, AU	daily rain	73.4 mm (2.9 in)	54.6 mm (2.1 in)	93 years	78 of 100 (Major)
21 February 2011	Lake City, US	monthly rain	49.0 mm (1.9 in)	20.0 mm (0.8 in)	62 years	78 of 100 (Major)
21 February 2011	Kalingapatam, IN	daily rain	49.0 mm (1.9 in)	45.4 mm (1.8 in)	100 years	77 of 100 (Major)
21 February 2011	Fredonia, US	daily snowfall	33.0 cm (13.0 in)	23.6 cm (9.3 in)	87 years	75 of 100 (Major)
21 February 2011	St Peter, US	daily rain	29.2 mm (1.1 in)	19.0 mm (0.7 in)	97 years	74 of 100 (Major)
21 February 2011	Faulkton, US	daily snowfall	25.4 cm (10.0 in)	17.8 cm (7.0 in)	97 years	72 of 100 (Major)
21 February 2011	Fairbanks Intl AP, US	daily snowfall	30.2 cm (11.9 in)	27.2 cm (10.7 in)	67 years	68 of 100 (Major)
21 February 2011	Minlaton, AU	monthly rain	74.6 mm (2.9 in)	18.7 mm (0.7 in)	71 years	66 of 100 (Major)
21 February 2011	Collegeville St John's, US	daily snowfall	34.3 cm (13.5 in)	19.1 cm (7.5 in)	53 years	66 of 100 (Major)
21 February 2011	Postville, US	daily rain	30.0 mm (1.2 in)	14.8 mm (0.6 in)	96 years	65 of 100 (Major)
21 February 2011	Fargo Hector Intl AP, US	daily snowfall	17.0 cm (6.7 in)	10.9 cm (4.3 in)	65 years	64 of 100 (Major)
21 February 2011	Hastings Dam 2, US	daily snowfall	25.4 cm (10.0 in)	17.8 cm (7.0 in)	48 years	62 of 100 (Major)
21 February 2011	Carson, US	daily rain	25.4 mm (1.0 in)	18.3 mm (0.7 in)	41 years	62 of 100 (Major)
21 February 2011	Clark, US	daily snowfall	33.0 cm (13.0 in)	15.2 cm (6.0 in)	53 years	62 of 100 (Major)
21 February 2011	Baldwin, US	daily snowfall	30.5 cm (12.0 in)	21.6 cm (8.5 in)	53 years	62 of 100 (Major)
21 February 2011	Pittsburgh ASOS, US	daily snowfall	20.1 cm (7.9 in)	14.5 cm (5.7 in)	63 years	61 of 100 (Major)
21 February 2011	Saint Johns, US	daily snowfall	30.5 cm (12.0 in)	17.8 cm (7.0 in)	35 years	60 of 100 (Major)
21 February 2011	Castlewood, US	daily snowfall	29.2 cm (11.5 in)	14.0 cm (5.5 in)	53 years	60 of 100 (Major)

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 2011

Records set or tied on this calendar date in each year from 1795 to 2011. 2011 had 1,379 records.

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

Records on 02-21 in each year
Year	Records
1795	1
1804	1
1810	3
1814	3
1838	1
1845	1
1846	2
1847	1
1849	2
1850	1
1851	1
1855	1
1856	1
1860	1
1861	1
1862	2
1870	2
1875	2
1876	1
1879	1
1880	2
1881	1
1882	1
1883	1
1884	1
1885	1
1886	3
1888	2
1889	4
1890	2
1891	1
1893	9
1894	2
1895	2
1896	1
1897	5
1898	14
1899	3
1900	1
1901	11
1902	8
1903	13
1904	12
1905	6
1906	51
1907	18
1908	12
1909	28
1910	26
1911	24
1912	26
1913	29
1914	25
1915	52
1916	82
1917	415
1918	80
1919	47
1920	23
1921	96
1922	157
1923	40
1924	84
1925	209
1926	101
1927	191
1928	81
1929	403
1930	1,334
1931	197
1932	159
1933	229
1934	423
1935	300
1936	617
1937	699
1938	181
1939	586
1940	159
1941	224
1942	552
1943	460
1944	313
1945	621
1946	149
1947	458
1948	511
1949	889
1950	492
1951	573
1952	356
1953	1,238
1954	958
1955	857
1956	460
1957	709
1958	993
1959	383
1960	493
1961	831
1962	590
1963	1,022
1964	357
1965	275
1966	574
1967	312
1968	1,177
1969	658
1970	545
1971	787
1972	717
1973	790
1974	634
1975	655
1976	845
1977	1,362
1978	1,382
1979	1,212
1980	837
1981	1,600
1982	1,074
1983	608
1984	518
1985	837
1986	1,341
1987	658
1988	633
1989	866
1990	1,971
1991	680
1992	418
1993	1,540
1994	980
1995	1,267
1996	1,742
1997	1,806
1998	1,100
1999	552
2000	812
2001	583
2002	934
2003	1,253
2004	629
2005	840
2006	801
2007	747
2008	1,131
2009	622
2010	1,156
2011	1,379
2012	540
2013	845
2014	881
2015	1,773
2016	1,151
2017	1,828
2018	2,891
2019	1,330
2020	547
2021	879
2022	734
2023	677
2024	648
2025	1,776
2026	552

Download the Data

Data for records on 2011-02-21: 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	947
50 to 100	100
100 to 150	40
150 to 200	26
200 to 250	8
250 to 300	2
300 to 350	2