Weather Records on 11 March 2021

980 weather records were set or tied worldwide on 11 March 2021. Highest significance: Matanuska Exp Farm, US.

Key Facts for 11 March 2021

On 11 March 2021, 980 weather records were set or tied at long-record stations worldwide.
406 were record highs and 115 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 968 daily.
Matanuska Exp Farm set a daily record snowfall of 25.4 cm (10.0 in) on 11 March 2021.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

980 stations

980 station records on 11 March 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 March 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Matanuska Exp Farm	United States	Record daily snowfall	25.4 cm (10.0 in)	75 of 100 (Major)
Somerby	Australia	Record daily precipitation	96.0 mm (3.8 in)	65 of 100 (Major)
Moloaa 1145	United States	Record daily precipitation	226.1 mm (8.9 in)	62 of 100 (Major)
Bucuresti Filaret	Romania	Record daily precipitation	30.0 mm (1.2 in)	61 of 100 (Major)
Beowawe	United States	Record snow depth	12.7 cm (5.0 in)	61 of 100 (Major)
Ephraim	United States	Record daily snowfall	10.2 cm (4.0 in)	58 of 100 (Notable)
Hatch	United States	Record daily snowfall	25.4 cm (10.0 in)	58 of 100 (Notable)
Kilkivan Post Office	Australia	Record daily precipitation	67.8 mm (2.7 in)	56 of 100 (Notable)
Gold Run 4 SW	United States	Record daily snowfall	20.3 cm (8.0 in)	52 of 100 (Notable)
Dubois	United States	Record daily snowfall	10.2 cm (4.0 in)	52 of 100 (Notable)
Lazy Mtn	United States	Record daily snowfall	24.1 cm (9.5 in)	52 of 100 (Notable)
Kapalama 773	United States	Record daily precipitation	55.4 mm (2.2 in)	52 of 100 (Notable)
Ironwood	United States	Record daily precipitation	34.8 mm (1.4 in)	51 of 100 (Notable)
Cape Agulhas	South Africa	Record daily precipitation	77.0 mm (3.0 in)	50 of 100 (Notable)
Lockport 2SE	United States	Record high minimum temperature	12.8 C (55.0 F)	50 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record daily precipitation	37.1 mm (1.5 in)	50 of 100 (Notable)
Fuyun	China	Record daily precipitation	50.0 mm (2.0 in)	49 of 100 (Notable)
Lichinga	Mozambique	Record low minimum temperature	10.5 C (50.9 F)	49 of 100 (Notable)
Ann Arbor U of Mich	United States	Record high minimum temperature	13.9 C (57.0 F)	49 of 100 (Notable)
Isle 12N	United States	Record daily precipitation	31.0 mm (1.2 in)	49 of 100 (Notable)
Mc Leod 3 E	United States	Record daily snowfall	11.2 cm (4.4 in)	49 of 100 (Notable)
Breeza (Alpha)	Australia	Record daily precipitation	45.0 mm (1.8 in)	48 of 100 (Notable)
Old Bonalbo (Alcheringa)	Australia	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Makaweli 965	United States	Record daily precipitation	48.0 mm (1.9 in)	48 of 100 (Notable)
Waialae-Kahala 715	United States	Record daily precipitation	121.9 mm (4.8 in)	48 of 100 (Notable)
Derbent	Russia	Record daily precipitation	36.1 mm (1.4 in)	47 of 100 (Notable)
Charlevoix	United States	Record high minimum temperature	6.7 C (44.1 F)	47 of 100 (Notable)
Cheboygan	United States	Record high minimum temperature	6.1 C (43.0 F)	47 of 100 (Notable)
Waimanalo Exp F 795.1	United States	Record daily precipitation	119.9 mm (4.7 in)	47 of 100 (Notable)
Escanaba	United States	Record daily precipitation	34.3 mm (1.4 in)	47 of 100 (Notable)
Grayling	United States	Record high minimum temperature	7.2 C (45.0 F)	46 of 100 (Notable)
Oswego	United States	Record high maximum temperature	22.2 C (72.0 F)	45 of 100 (Notable)
Kimba (Cortlinye)	Australia	Record daily precipitation	26.8 mm (1.1 in)	44 of 100 (Notable)
Harbor Beach 1 SSE	United States	Record high minimum temperature	3.9 C (39.0 F)	44 of 100 (Notable)
Amery	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Allerton	United States	Record high maximum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Carroll	United States	Record high maximum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Two Harbors	United States	Record daily precipitation	31.5 mm (1.2 in)	43 of 100 (Notable)
Ogdensburg 4 NE	United States	Record high minimum temperature	8.9 C (48.0 F)	43 of 100 (Notable)
Paulding	United States	Record high minimum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Nuuanu Rsch 5 775	United States	Record daily precipitation	52.1 mm (2.1 in)	43 of 100 (Notable)
Wilhelmina Rise 721	United States	Record daily precipitation	57.9 mm (2.3 in)	43 of 100 (Notable)
Mt Clemens Ang Base	United States	Record high minimum temperature	6.1 C (43.0 F)	43 of 100 (Notable)
Coonabarabran (Namoi Street)	Australia	Record daily precipitation	55.6 mm (2.2 in)	42 of 100 (Notable)
Hale Loud Dam	United States	Record high minimum temperature	7.2 C (45.0 F)	42 of 100 (Notable)
Couderay 7 W	United States	Record daily precipitation	42.7 mm (1.7 in)	42 of 100 (Notable)
Mt Clemens Ang Base	United States	Record high maximum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Melsom	Norway	Record daily precipitation	39.0 mm (1.5 in)	41 of 100 (Notable)
Saentis	Switzerland	Record daily precipitation	67.2 mm (2.6 in)	41 of 100 (Notable)
Hardy	United States	Record high minimum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Sugar City	United States	Record snow depth	40.6 cm (16.0 in)	41 of 100 (Notable)
Detour Village	United States	Record high minimum temperature	1.7 C (35.1 F)	41 of 100 (Notable)
Iron Mtn-Kingsford Wwtp	United States	Record high minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Potosi 4 SW	United States	Record high minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Dayton Mcd	United States	Record high minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
McKinney Muni AP	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Prairie du Chien	United States	Record high maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Beretania Pump STN 705	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Waddikee	Australia	Record daily precipitation	25.8 mm (1.0 in)	40 of 100 (Notable)
Angola	United States	Record high maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)

Counts by Type and Timescale

980 records

Records set or tied on 11 March 2021 by type: Highest daily maximum 224, Lowest daily maximum 55, Highest daily minimum 182, Lowest daily minimum 60, Heaviest daily rainfall 404, Heaviest daily snowfall 43, Deepest snow cover 12.

Records on 11 March 2021 by type
Record type	Records
Highest daily maximum	224
Lowest daily maximum	55
Highest daily minimum	182
Lowest daily minimum	60
Heaviest daily rainfall	404
Heaviest daily snowfall	43
Deepest snow cover	12

Records on 11 March 2021 by timescale: all-time 0, monthly 12, daily 968.

How Much Records Were Beaten By

856 broken records

Margins by which the 856 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 233.0. Ties are not counted.

Top 20 by Significance

11 March 2021

Top 20 records on 11 March 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 March 2021	Matanuska Exp Farm, US	daily snowfall	25.4 cm (10.0 in)	16.5 cm (6.5 in)	92 years	75 of 100 (Major)
11 March 2021	Somerby, AU	daily rain	96.0 mm (3.8 in)	66.8 mm (2.6 in)	64 years	65 of 100 (Major)
11 March 2021	Moloaa 1145, US	monthly rain	226.1 mm (8.9 in)	41.9 mm (1.6 in)	81 years	62 of 100 (Major)
11 March 2021	Bucuresti Filaret, RO	daily rain	30.0 mm (1.2 in)	12.4 mm (0.5 in)	106 years	61 of 100 (Major)
11 March 2021	Beowawe, US	daily snow depth	12.7 cm (5.0 in)	10.2 cm (4.0 in)	108 years	61 of 100 (Major)
11 March 2021	Ephraim, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	70 years	58 of 100 (Notable)
11 March 2021	Hatch, US	daily snowfall	25.4 cm (10.0 in)	15.2 cm (6.0 in)	68 years	58 of 100 (Notable)
11 March 2021	Kilkivan Post Office, AU	daily rain	67.8 mm (2.7 in)	29.7 mm (1.2 in)	96 years	56 of 100 (Notable)
11 March 2021	Gold Run 4 SW, US	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	104 years	52 of 100 (Notable)
11 March 2021	Dubois, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	103 years	52 of 100 (Notable)
11 March 2021	Lazy Mtn, US	daily snowfall	24.1 cm (9.5 in)	23.3 cm (9.2 in)	32 years	52 of 100 (Notable)
11 March 2021	Kapalama 773, US	daily rain	55.4 mm (2.2 in)	31.3 mm (1.2 in)	79 years	52 of 100 (Notable)
11 March 2021	Ironwood, US	daily rain	34.8 mm (1.4 in)	11.9 mm (0.5 in)	79 years	51 of 100 (Notable)
11 March 2021	Cape Agulhas, ZA	daily rain	77.0 mm (3.0 in)	59.0 mm (2.3 in)	2 years	50 of 100 (Notable)
11 March 2021	Lockport 2SE, US	daily high min	12.8 C (55.0 F)	5.6 C (10.1 F)	122 years	50 of 100 (Notable)
11 March 2021	Spooner Ag Rsch STN, US	daily rain	37.1 mm (1.5 in)	17.0 mm (0.7 in)	48 years	50 of 100 (Notable)
11 March 2021	Fuyun, CN	daily rain	50.0 mm (2.0 in)	41.9 mm (1.6 in)	10 years	49 of 100 (Notable)
11 March 2021	Lichinga, MZ	daily low min	10.5 C (50.9 F)	2.6 C (4.7 F)	63 years	49 of 100 (Notable)
11 March 2021	Ann Arbor U of Mich, US	daily high min	13.9 C (57.0 F)	5.0 C (9.0 F)	119 years	49 of 100 (Notable)
11 March 2021	Isle 12N, US	daily rain	31.0 mm (1.2 in)	18.3 mm (0.7 in)	48 years	49 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

1793 to 2021

Records set or tied on this calendar date in each year from 1793 to 2021. 2021 had 980 records.

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

Records on 03-11 in each year
Year	Records
1793	1
1810	3
1814	1
1822	1
1844	1
1845	2
1847	3
1849	1
1850	2
1854	3
1855	1
1858	3
1859	1
1860	2
1862	1
1863	1
1868	1
1870	1
1874	2
1877	1
1878	1
1879	2
1880	1
1881	5
1882	2
1883	1
1884	1
1885	2
1886	3
1888	4
1889	1
1890	4
1891	5
1892	3
1893	2
1894	6
1896	4
1897	4
1898	2
1899	1
1900	4
1901	13
1902	8
1903	12
1904	7
1905	6
1906	38
1907	7
1908	10
1909	26
1910	19
1911	19
1912	19
1913	22
1914	25
1915	18
1916	29
1917	49
1918	58
1919	39
1920	15
1921	66
1922	42
1923	78
1924	265
1925	264
1926	134
1927	277
1928	119
1929	210
1930	105
1931	273
1932	1,123
1933	300
1934	764
1935	520
1936	356
1937	188
1938	120
1939	569
1940	417
1941	265
1942	225
1943	251
1944	304
1945	262
1946	461
1947	234
1948	2,148
1949	329
1950	671
1951	677
1952	804
1953	330
1954	489
1955	1,103
1956	964
1957	521
1958	441
1959	189
1960	1,115
1961	353
1962	674
1963	440
1964	296
1965	386
1966	539
1967	1,272
1968	519
1969	1,093
1970	389
1971	552
1972	1,320
1973	1,406
1974	956
1975	592
1976	375
1977	1,690
1978	579
1979	891
1980	472
1981	1,539
1982	807
1983	943
1984	743
1985	829
1986	747
1987	596
1988	1,176
1989	1,894
1990	2,496
1991	532
1992	1,083
1993	561
1994	689
1995	1,138
1996	1,339
1997	1,152
1998	2,609
1999	533
2000	1,199
2001	802
2002	736
2003	935
2004	826
2005	988
2006	1,590
2007	830
2008	816
2009	1,195
2010	966
2011	734
2012	868
2013	949
2014	556
2015	897
2016	1,249
2017	483
2018	479
2019	767
2020	605
2021	980
2022	1,203
2023	984
2024	424
2025	699
2026	1,580

Download the Data

Data for records on 2021-03-11: 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 50	834
50 to 100	14
100 to 150	4
150 to 200	3
200 to 250	1