Weather Records on 21 March 1971

358 weather records were set or tied worldwide on 21 March 1971. Highest significance: Gladwin, US.

Key Facts for 21 March 1971

On 21 March 1971, 358 weather records were set or tied at long-record stations worldwide.
60 were record highs and 123 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 354 daily.
Gladwin set a daily record snow depth of 55.9 cm (22.0 in) on 21 March 1971.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 483 records.

Record Map

358 stations

358 station records on 21 March 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gladwin	United States	Record snow depth	55.9 cm (22.0 in)	61 of 100 (Major)
Rosewood	Australia	Record daily precipitation	137.9 mm (5.4 in)	60 of 100 (Major)
Bonrook	Australia	Record daily precipitation	78.7 mm (3.1 in)	58 of 100 (Notable)
Timber Creek Police	Australia	Record daily precipitation	155.7 mm (6.1 in)	52 of 100 (Notable)
Margaret River Station	Australia	Record daily precipitation	71.9 mm (2.8 in)	51 of 100 (Notable)
Campolide	Brazil	Record daily precipitation	95.2 mm (3.7 in)	50 of 100 (Notable)
Bradford 4SW Rsch 5	United States	Record daily snowfall	22.9 cm (9.0 in)	48 of 100 (Notable)
Sao Manuel	Brazil	Record daily precipitation	89.8 mm (3.5 in)	46 of 100 (Notable)
Embrun	France	Record daily precipitation	49.2 mm (1.9 in)	46 of 100 (Notable)
Newcastle Waters	Australia	Record daily precipitation	104.6 mm (4.1 in)	44 of 100 (Notable)
Usina Santa Maria	Brazil	Record daily precipitation	73.2 mm (2.9 in)	43 of 100 (Notable)
Lowville	United States	Record snow depth	66.0 cm (26.0 in)	43 of 100 (Notable)
Vlakfontein	South Africa	Record daily precipitation	38.7 mm (1.5 in)	42 of 100 (Notable)
Powell Creek	Australia	Record daily precipitation	97.0 mm (3.8 in)	40 of 100 (Notable)
Michelago (Soglio)	Australia	Record daily precipitation	48.8 mm (1.9 in)	38 of 100 (Notable)
Martinsdale 3 NNW	United States	Record daily snowfall	14.0 cm (5.5 in)	38 of 100 (Notable)
Fitzroy Crossing Comp.	Australia	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Paracuru	Brazil	Record daily precipitation	104.2 mm (4.1 in)	37 of 100 (Notable)
Chemainus	Canada	Record daily snowfall	11.4 cm (4.5 in)	37 of 100 (Notable)
Ogdensburg 4 NE	United States	Record snow depth	55.9 cm (22.0 in)	37 of 100 (Notable)
Buskala Rch	United States	Record daily snowfall	14.0 cm (5.5 in)	37 of 100 (Notable)
Holbrook	United States	Record high minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Regensburg	Germany	Record high maximum temperature	19.3 C (66.7 F)	35 of 100 (Notable)
Loerie (Sar)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	33 of 100 (Routine)
Kahului AP	United States	Record daily precipitation	43.9 mm (1.7 in)	33 of 100 (Routine)
Sion 2	Switzerland	Record daily precipitation	30.9 mm (1.2 in)	31 of 100 (Routine)
Ludington 4 SE	United States	Record snow depth	35.6 cm (14.0 in)	31 of 100 (Routine)
Cnory	Georgia	Record daily precipitation	29.9 mm (1.2 in)	30 of 100 (Routine)
St Augustine	United States	Record low minimum temperature	0.0 C (32.0 F)	30 of 100 (Routine)
Chasm Falls	United States	Record snow depth	119.4 cm (47.0 in)	30 of 100 (Routine)
Albacete Los Llanos	Spain	Record low maximum temperature	7.0 C (44.6 F)	29 of 100 (Routine)
Hamersley	Australia	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Innsbruck	Austria	Record high minimum temperature	12.4 C (54.3 F)	28 of 100 (Routine)
Tasiilaq	Greenland [Denmark]	Record low maximum temperature	-11.0 C (12.2 F)	28 of 100 (Routine)
Lisboa Geofisica	Portugal	Record low minimum temperature	6.1 C (43.0 F)	28 of 100 (Routine)
Brady Aznoe	United States	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Ft Meade	United States	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Clearwater	United States	Record low minimum temperature	-3.9 C (25.0 F)	27 of 100 (Routine)
Gogo Station	Australia	Record daily precipitation	40.6 mm (1.6 in)	26 of 100 (Routine)
Mount House Station	Australia	Record daily precipitation	48.3 mm (1.9 in)	26 of 100 (Routine)
Manbulloo	Australia	Record daily precipitation	148.6 mm (5.9 in)	26 of 100 (Routine)
Macucos	Brazil	Record daily precipitation	40.5 mm (1.6 in)	26 of 100 (Routine)
Harrison 1 NNW	United States	Record snow depth	55.9 cm (22.0 in)	26 of 100 (Routine)
Tupper Lake Sunmount	United States	Record daily snowfall	8.9 cm (3.5 in)	26 of 100 (Routine)
Katherine Council	Australia	Record daily precipitation	134.4 mm (5.3 in)	25 of 100 (Routine)
Summit	United States	Record snow depth	284.5 cm (112.0 in)	25 of 100 (Routine)
Ewa Plantation 741	United States	Record high minimum temperature	20.6 C (69.1 F)	25 of 100 (Routine)
Argyle Downs	Australia	Record daily precipitation	67.8 mm (2.7 in)	24 of 100 (Routine)
Nashlyn	Canada	Record low maximum temperature	-11.7 C (10.9 F)	24 of 100 (Routine)
Szombathely	Hungary	Record high minimum temperature	7.0 C (44.6 F)	24 of 100 (Routine)
Camp Hill 2NW	United States	Record low maximum temperature	9.4 C (48.9 F)	24 of 100 (Routine)
Buskala Rch	United States	Record snow depth	106.7 cm (42.0 in)	24 of 100 (Routine)
Luiz Correia	Brazil	Record daily precipitation	63.3 mm (2.5 in)	23 of 100 (Routine)
Gospic	Croatia	Record high minimum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
Badplaas (Pol)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	50.5 mm (2.0 in)	23 of 100 (Routine)
Everett	United States	Record low minimum temperature	-3.3 C (26.1 F)	23 of 100 (Routine)
Kaneohe Mauka 781	United States	Record daily precipitation	43.2 mm (1.7 in)	23 of 100 (Routine)
Kalkaringi Police	Australia	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Pine Creek	Australia	Record daily precipitation	58.9 mm (2.3 in)	22 of 100 (Routine)

Counts by Type and Timescale

358 records

Records set or tied on 21 March 1971 by type: Highest daily maximum 28, Lowest daily maximum 52, Highest daily minimum 32, Lowest daily minimum 71, Heaviest daily rainfall 105, Heaviest daily snowfall 37, Deepest snow cover 33.

Records on 21 March 1971 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	52
Highest daily minimum	32
Lowest daily minimum	71
Heaviest daily rainfall	105
Heaviest daily snowfall	37
Deepest snow cover	33

Records on 21 March 1971 by timescale: all-time 0, monthly 4, daily 354.

How Much Records Were Beaten By

286 broken records

Margins by which the 286 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 788.0. Ties are not counted.

Top 20 by Significance

21 March 1971

Top 20 records on 21 March 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1971	Gladwin, US	daily snow depth	55.9 cm (22.0 in)	35.6 cm (14.0 in)	69 years	61 of 100 (Major)
21 March 1971	Rosewood, AU	daily rain	137.9 mm (5.4 in)	99.8 mm (3.9 in)	44 years	60 of 100 (Major)
21 March 1971	Bonrook, AU	daily rain	78.7 mm (3.1 in)	61.9 mm (2.4 in)	70 years	58 of 100 (Notable)
21 March 1971	Timber Creek Police, AU	daily rain	155.7 mm (6.1 in)	104.9 mm (4.1 in)	24 years	52 of 100 (Notable)
21 March 1971	Margaret River Station, AU	daily rain	71.9 mm (2.8 in)	57.2 mm (2.3 in)	40 years	51 of 100 (Notable)
21 March 1971	Campolide, BR	daily rain	95.2 mm (3.7 in)	67.0 mm (2.6 in)	25 years	50 of 100 (Notable)
21 March 1971	Bradford 4SW Rsch 5, US	daily snowfall	22.9 cm (9.0 in)	15.3 cm (6.0 in)	34 years	48 of 100 (Notable)
21 March 1971	Sao Manuel, BR	daily rain	89.8 mm (3.5 in)	62.4 mm (2.5 in)	25 years	46 of 100 (Notable)
21 March 1971	Embrun, FR	daily rain	49.2 mm (1.9 in)	29.1 mm (1.1 in)	16 years	46 of 100 (Notable)
21 March 1971	Newcastle Waters, AU	daily rain	104.6 mm (4.1 in)	59.4 mm (2.3 in)	20 years	44 of 100 (Notable)
21 March 1971	Usina Santa Maria, BR	daily rain	73.2 mm (2.9 in)	64.8 mm (2.6 in)	17 years	43 of 100 (Notable)
21 March 1971	Lowville, US	daily snow depth	66.0 cm (26.0 in)	33.0 cm (13.0 in)	54 years	43 of 100 (Notable)
21 March 1971	Vlakfontein, ZA	daily rain	38.7 mm (1.5 in)	19.6 mm (0.8 in)	62 years	42 of 100 (Notable)
21 March 1971	Powell Creek, AU	daily rain	97.0 mm (3.8 in)	19.5 mm (0.8 in)	70 years	40 of 100 (Notable)
21 March 1971	Michelago (Soglio), AU	daily rain	48.8 mm (1.9 in)	15.8 mm (0.6 in)	56 years	38 of 100 (Notable)
21 March 1971	Martinsdale 3 NNW, US	daily snowfall	14.0 cm (5.5 in)	6.4 cm (2.5 in)	72 years	38 of 100 (Notable)
21 March 1971	Fitzroy Crossing Comp., AU	daily rain	61.0 mm (2.4 in)	29.2 mm (1.1 in)	41 years	37 of 100 (Notable)
21 March 1971	Paracuru, BR	daily rain	104.2 mm (4.1 in)	28.0 mm (1.1 in)	54 years	37 of 100 (Notable)
21 March 1971	Chemainus, CA	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	52 years	37 of 100 (Notable)
21 March 1971	Ogdensburg 4 NE, US	daily snow depth	55.9 cm (22.0 in)	15.3 cm (6.0 in)	66 years	37 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

1797 to 1971

Records set or tied on this calendar date in each year from 1797 to 1971. 1971 had 358 records.

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

Records on 03-21 in each year
Year	Records
1797	2
1805	1
1806	1
1822	1
1830	1
1836	1
1837	1
1845	1
1846	1
1850	1
1852	2
1857	1
1865	7
1874	1
1877	1
1880	1
1881	1
1883	2
1884	1
1885	5
1886	2
1888	1
1890	3
1892	1
1893	1
1894	1
1895	1
1896	2
1897	2
1898	3
1899	4
1900	4
1901	9
1902	18
1903	23
1904	17
1905	6
1906	3
1907	14
1908	3
1909	11
1910	10
1911	10
1912	36
1913	97
1914	71
1915	27
1916	44
1917	43
1918	43
1919	29
1920	90
1921	96
1922	50
1923	72
1924	96
1925	141
1926	282
1927	179
1928	293
1929	104
1930	99
1931	638
1932	305
1933	235
1934	114
1935	675
1936	225
1937	172
1938	783
1939	280
1940	366
1941	311
1942	330
1943	217
1944	556
1945	294
1946	570
1947	192
1948	948
1949	330
1950	398
1951	779
1952	689
1953	342
1954	211
1955	1,124
1956	686
1957	373
1958	619
1959	230
1960	892
1961	268
1962	548
1963	298
1964	333
1965	1,961
1966	464
1967	487
1968	798
1969	219
1970	612
1971	358
1972	519
1973	385
1974	1,097
1975	751
1976	710
1977	376
1978	838
1979	656
1980	775
1981	676
1982	850
1983	1,673
1984	835
1985	503
1986	1,170
1987	948
1988	1,155
1989	1,396
1990	1,380
1991	1,446
1992	877
1993	687
1994	684
1995	1,141
1996	1,119
1997	1,670
1998	935
1999	1,044
2000	802
2001	1,342
2002	1,593
2003	1,073
2004	1,511
2005	649
2006	1,417
2007	1,220
2008	734
2009	558
2010	1,134
2011	1,451
2012	2,854
2013	727
2014	639
2015	568
2016	553
2017	1,117
2018	809
2019	649
2020	445
2021	489
2022	615
2023	815
2024	432
2025	845
2026	2,614

Download the Data

Data for records on 1971-03-21: 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 2026-10-14 (14 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 100	267
100 to 200	13
200 to 300	2
300 to 400	3
400 to 500	0
500 to 600	0
600 to 700	0
700 to 800	1