Weather Records on 20 March 2021

487 weather records were set or tied worldwide on 20 March 2021. Highest significance: Sisian, AM.

Key Facts for 20 March 2021

On 20 March 2021, 487 weather records were set or tied at long-record stations worldwide.
154 were record highs and 116 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 12 monthly and 472 daily.
Sisian set a daily record precipitation of 99.1 mm (3.9 in) on 20 March 2021.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 455 records.

Record Map

487 stations

487 station records on 20 March 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sisian	Armenia	Record daily precipitation	99.1 mm (3.9 in)	72 of 100 (Major)
Bowraville Recreation Club	Australia	Record daily precipitation	215.0 mm (8.5 in)	71 of 100 (Major)
Hannam Vale (Hannam Vale Road)	Australia	Record daily precipitation	370.0 mm (14.6 in)	69 of 100 (Major)
Gloucester Post Office	Australia	Record daily precipitation	127.2 mm (5.0 in)	67 of 100 (Major)
Moorland (Denro-An)	Australia	Record daily precipitation	238.8 mm (9.4 in)	67 of 100 (Major)
Sugar City	United States	Record daily snowfall	15.2 cm (6.0 in)	61 of 100 (Major)
Minatare Dam (Usbr)	United States	Record daily precipitation	46.5 mm (1.8 in)	58 of 100 (Notable)
Erzurum	Turkey	Record daily precipitation	39.9 mm (1.6 in)	57 of 100 (Notable)
Yarrowitch (Maretto)	Australia	Record daily precipitation	98.4 mm (3.9 in)	55 of 100 (Notable)
Thumb Creek (Figtree)	Australia	Record daily precipitation	98.0 mm (3.9 in)	55 of 100 (Notable)
Nelson Bay (Nelson Head)	Australia	Record daily precipitation	105.4 mm (4.1 in)	54 of 100 (Notable)
Bowraville (Cow Cownty)	Australia	Record daily precipitation	132.0 mm (5.2 in)	52 of 100 (Notable)
Castlereagh (Castlereagh Road)	Australia	Record daily precipitation	101.6 mm (4.0 in)	51 of 100 (Notable)
Bobin (Bobin Creek)	Australia	Record daily precipitation	185.2 mm (7.3 in)	48 of 100 (Notable)
South West Rocks (Smoky Cape L	Australia	Record daily precipitation	350.0 mm (13.8 in)	47 of 100 (Notable)
Toorooka (Moparrabah)	Australia	Record daily precipitation	123.8 mm (4.9 in)	47 of 100 (Notable)
Smiths Lake (Patsys Flat Road)	Australia	Record daily precipitation	104.8 mm (4.1 in)	47 of 100 (Notable)
Elands (Black Sands Creek)	Australia	Record daily precipitation	132.0 mm (5.2 in)	45 of 100 (Notable)
Forbes River (Birdwood)	Australia	Record daily precipitation	161.6 mm (6.4 in)	45 of 100 (Notable)
Paterson Post Office	Australia	Record daily precipitation	112.2 mm (4.4 in)	45 of 100 (Notable)
Trinidad	United States	Record high minimum temperature	10.6 C (51.1 F)	44 of 100 (Notable)
Carthage	Tunisia	Record daily precipitation	25.9 mm (1.0 in)	43 of 100 (Notable)
Lamar Rs	United States	Record daily snowfall	17.3 cm (6.8 in)	43 of 100 (Notable)
Kingscliff (Marine Parade)	Australia	Record daily precipitation	103.0 mm (4.1 in)	42 of 100 (Notable)
Nicholson	Australia	Record daily precipitation	27.4 mm (1.1 in)	41 of 100 (Notable)
Dungog Post Office	Australia	Record daily precipitation	79.0 mm (3.1 in)	41 of 100 (Notable)
Stroud Post Office	Australia	Record daily precipitation	106.8 mm (4.2 in)	40 of 100 (Notable)
Anchorage Merrill Fld	United States	Record low minimum temperature	-22.7 C (-8.9 F)	40 of 100 (Notable)
Old Delamere	Australia	Record daily precipitation	29.8 mm (1.2 in)	39 of 100 (Notable)
Killawarra (Uralba)	Australia	Record daily precipitation	196.8 mm (7.7 in)	39 of 100 (Notable)
Medicine Lake 3 SE	United States	Record high maximum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Tweed Heads Golf Club	Australia	Record daily precipitation	114.4 mm (4.5 in)	38 of 100 (Notable)
Dunn Ctr 1E	United States	Record high maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Culbertson	United States	Record high minimum temperature	2.2 C (36.0 F)	37 of 100 (Notable)
Araluen Lower (Araluen Rd)	Australia	Record daily precipitation	60.0 mm (2.4 in)	36 of 100 (Notable)
Hanksville	United States	Record high minimum temperature	8.3 C (46.9 F)	36 of 100 (Notable)
Kamilaroi Station	Australia	Record daily precipitation	45.0 mm (1.8 in)	35 of 100 (Notable)
Baudette	United States	Record high maximum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Glasgow #2	United States	Record high minimum temperature	3.3 C (37.9 F)	35 of 100 (Notable)
Grand Forks Intl AP	United States	Record high maximum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Dzizak	Uzbekistan	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Waterloo	Australia	Record daily precipitation	36.0 mm (1.4 in)	34 of 100 (Routine)
Cessnock Airport AWS	Australia	Record daily precipitation	86.8 mm (3.4 in)	34 of 100 (Routine)
Kenmare 1 WSW	United States	Record high minimum temperature	1.1 C (34.0 F)	34 of 100 (Routine)
Fargo Hector Intl AP	United States	Record high maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Wingham (Lanark Close)	Australia	Record daily precipitation	213.6 mm (8.4 in)	33 of 100 (Routine)
Kumamoto	Japan	Record high minimum temperature	15.1 C (59.2 F)	33 of 100 (Routine)
Corral Canyon	United States	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Syr-Darja	Uzbekistan	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Hallock	United States	Record high maximum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Westby	United States	Record high maximum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Fortuna 1 W	United States	Record high maximum temperature	24.4 C (75.9 F)	32 of 100 (Routine)
Sophie Downs	Australia	Record daily precipitation	66.0 mm (2.6 in)	31 of 100 (Routine)
Faulconbridge (St Georges Cres	Australia	Record daily precipitation	63.2 mm (2.5 in)	31 of 100 (Routine)
Jamestown Muni AP	United States	Record high maximum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Casper-Natrona Co AP	United States	Record snow depth	20.0 cm (7.9 in)	31 of 100 (Routine)
Walcha (Karori)	Australia	Record daily precipitation	43.0 mm (1.7 in)	30 of 100 (Routine)
Diamond Peak	United States	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Sukumo	Japan	Record high minimum temperature	14.1 C (57.4 F)	29 of 100 (Routine)
Mtunzini	South Africa	Record daily precipitation	34.0 mm (1.3 in)	29 of 100 (Routine)

Counts by Type and Timescale

487 records

Records set or tied on 20 March 2021 by type: Highest daily maximum 66, Lowest daily maximum 67, Highest daily minimum 88, Lowest daily minimum 49, Heaviest daily rainfall 201, Heaviest daily snowfall 11, Deepest snow cover 5.

Records on 20 March 2021 by type
Record type	Records
Highest daily maximum	66
Lowest daily maximum	67
Highest daily minimum	88
Lowest daily minimum	49
Heaviest daily rainfall	201
Heaviest daily snowfall	11
Deepest snow cover	5

Records on 20 March 2021 by timescale: all-time 3, monthly 12, daily 472.

How Much Records Were Beaten By

413 broken records

Margins by which the 413 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 159.8. Ties are not counted.

Top 20 by Significance

20 March 2021

Top 20 records on 20 March 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 2021	Sisian, AM	daily rain	99.1 mm (3.9 in)	84.8 mm (3.3 in)	80 years	72 of 100 (Major)
20 March 2021	Bowraville Recreation Club, AU	daily rain	215.0 mm (8.5 in)	120.8 mm (4.8 in)	70 years	71 of 100 (Major)
20 March 2021	Hannam Vale (Hannam Vale Road), AU	all-time rain	370.0 mm (14.6 in)	32.4 mm (1.3 in)	93 years	69 of 100 (Major)
20 March 2021	Gloucester Post Office, AU	daily rain	127.2 mm (5.0 in)	73.4 mm (2.9 in)	58 years	67 of 100 (Major)
20 March 2021	Moorland (Denro-An), AU	daily rain	238.8 mm (9.4 in)	138.2 mm (5.4 in)	58 years	67 of 100 (Major)
20 March 2021	Sugar City, US	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	108 years	61 of 100 (Major)
20 March 2021	Minatare Dam (Usbr), US	monthly rain	46.5 mm (1.8 in)	5.9 mm (0.23 in)	93 years	58 of 100 (Notable)
20 March 2021	Erzurum, TR	daily rain	39.9 mm (1.6 in)	35.8 mm (1.4 in)	40 years	57 of 100 (Notable)
20 March 2021	Yarrowitch (Maretto), AU	daily rain	98.4 mm (3.9 in)	50.4 mm (2.0 in)	43 years	55 of 100 (Notable)
20 March 2021	Thumb Creek (Figtree), AU	daily rain	98.0 mm (3.9 in)	78.3 mm (3.1 in)	39 years	55 of 100 (Notable)
20 March 2021	Nelson Bay (Nelson Head), AU	daily rain	105.4 mm (4.1 in)	25.4 mm (1.0 in)	108 years	54 of 100 (Notable)
20 March 2021	Bowraville (Cow Cownty), AU	daily rain	132.0 mm (5.2 in)	82.6 mm (3.3 in)	44 years	52 of 100 (Notable)
20 March 2021	Castlereagh (Castlereagh Road), AU	daily rain	101.6 mm (4.0 in)	49.6 mm (2.0 in)	38 years	51 of 100 (Notable)
20 March 2021	Bobin (Bobin Creek), AU	daily rain	185.2 mm (7.3 in)	159.8 mm (6.3 in)	8 years	48 of 100 (Notable)
20 March 2021	South West Rocks (Smoky Cape L, AU	all-time rain	350.0 mm (13.8 in)	6.3 mm (0.25 in)	57 years	47 of 100 (Notable)
20 March 2021	Toorooka (Moparrabah), AU	daily rain	123.8 mm (4.9 in)	53.8 mm (2.1 in)	43 years	47 of 100 (Notable)
20 March 2021	Smiths Lake (Patsys Flat Road), AU	daily rain	104.8 mm (4.1 in)	62.8 mm (2.5 in)	32 years	47 of 100 (Notable)
20 March 2021	Elands (Black Sands Creek), AU	daily rain	132.0 mm (5.2 in)	99.0 mm (3.9 in)	8 years	45 of 100 (Notable)
20 March 2021	Forbes River (Birdwood), AU	daily rain	161.6 mm (6.4 in)	128.6 mm (5.1 in)	8 years	45 of 100 (Notable)
20 March 2021	Paterson Post Office, AU	daily rain	112.2 mm (4.4 in)	11.4 mm (0.4 in)	108 years	45 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

1808 to 2021

Records set or tied on this calendar date in each year from 1808 to 2021. 2021 had 487 records.

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

Records on 03-20 in each year
Year	Records
1808	3
1818	1
1822	2
1830	1
1834	1
1838	1
1845	1
1849	3
1850	1
1852	1
1853	1
1858	1
1862	1
1865	11
1866	1
1870	1
1872	2
1873	1
1874	2
1875	2
1876	2
1879	2
1881	2
1882	2
1883	1
1884	2
1885	3
1886	2
1887	3
1888	5
1889	5
1890	1
1892	1
1893	2
1894	5
1895	2
1896	5
1897	2
1898	5
1899	9
1900	8
1901	6
1902	13
1903	34
1904	12
1905	6
1906	16
1907	17
1908	4
1909	6
1910	20
1911	35
1912	12
1913	42
1914	51
1915	22
1916	46
1917	49
1918	40
1919	31
1920	52
1921	93
1922	49
1923	275
1924	76
1925	121
1926	103
1927	298
1928	258
1929	56
1930	86
1931	492
1932	117
1933	354
1934	243
1935	408
1936	245
1937	220
1938	394
1939	240
1940	486
1941	390
1942	325
1943	378
1944	611
1945	636
1946	435
1947	299
1948	697
1949	352
1950	367
1951	788
1952	589
1953	350
1954	303
1955	719
1956	527
1957	516
1958	467
1959	293
1960	594
1961	332
1962	363
1963	447
1964	525
1965	2,020
1966	367
1967	784
1968	819
1969	374
1970	912
1971	377
1972	635
1973	422
1974	755
1975	932
1976	989
1977	352
1978	863
1979	712
1980	458
1981	712
1982	1,189
1983	1,179
1984	775
1985	636
1986	666
1987	867
1988	1,044
1989	793
1990	1,496
1991	1,205
1992	654
1993	1,014
1994	1,040
1995	857
1996	1,147
1997	1,801
1998	963
1999	793
2000	894
2001	1,048
2002	1,698
2003	1,166
2004	1,701
2005	602
2006	1,353
2007	1,053
2008	993
2009	445
2010	1,264
2011	1,003
2012	3,051
2013	762
2014	800
2015	521
2016	450
2017	1,331
2018	587
2019	530
2020	1,006
2021	487
2022	667
2023	975
2024	520
2025	848
2026	3,126

Download the Data

Data for records on 2021-03-20: 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 20	371
20 to 40	22
40 to 60	7
60 to 80	4
80 to 100	5
100 to 120	0
120 to 140	3
140 to 160	1