Weather Records on 21 March 1977

376 weather records were set or tied worldwide on 21 March 1977. Highest significance: Darwin Quarantine Station, AU.

Key Facts for 21 March 1977

On 21 March 1977, 376 weather records were set or tied at long-record stations worldwide.
118 were record highs and 80 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 364 daily.
Darwin Quarantine Station set a daily record precipitation of 147.6 mm (5.8 in) on 21 March 1977.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 483 records.

Record Map

376 stations

376 station records on 21 March 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Darwin Quarantine Station	Australia	Record daily precipitation	147.6 mm (5.8 in)	56 of 100 (Notable)
Cloncurry McIllwraith St	Australia	Record daily precipitation	105.0 mm (4.1 in)	56 of 100 (Notable)
Sarapui	Brazil	Record daily precipitation	81.3 mm (3.2 in)	53 of 100 (Notable)
Mt Ayr	United States	Record daily snowfall	6.4 cm (2.5 in)	47 of 100 (Notable)
Bairro Do Sarapu	Brazil	Record daily precipitation	67.8 mm (2.7 in)	45 of 100 (Notable)
Juazeiro (Pcd)	Brazil	Record daily precipitation	64.5 mm (2.5 in)	44 of 100 (Notable)
Darwin Airport	Australia	Record daily precipitation	174.6 mm (6.9 in)	43 of 100 (Notable)
Campina Do Monte Alegre An/Ces	Brazil	Record daily precipitation	73.6 mm (2.9 in)	42 of 100 (Notable)
Anniston Metro AP	United States	Record daily precipitation	84.3 mm (3.3 in)	42 of 100 (Notable)
Servico Social de Menores	Brazil	Record daily precipitation	70.4 mm (2.8 in)	41 of 100 (Notable)
Zmeinogorsk	Russia	Record low minimum temperature	-34.9 C (-30.8 F)	40 of 100 (Notable)
Kearney 4 NE	United States	Record snow depth	10.2 cm (4.0 in)	38 of 100 (Notable)
Fairfield	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Quadra	Brazil	Record daily precipitation	61.8 mm (2.4 in)	36 of 100 (Notable)
Woodslee Cda	Canada	Record daily snowfall	12.2 cm (4.8 in)	36 of 100 (Notable)
Duchess Hotel	Australia	Record daily precipitation	73.0 mm (2.9 in)	35 of 100 (Notable)
Itapetininga	Brazil	Record daily precipitation	70.1 mm (2.8 in)	32 of 100 (Routine)
Pine Creek	Australia	Record daily precipitation	99.8 mm (3.9 in)	31 of 100 (Routine)
Brunette Downs	Australia	Record daily precipitation	32.2 mm (1.3 in)	31 of 100 (Routine)
Montpellier-Aeroport	France	Record daily precipitation	36.9 mm (1.5 in)	31 of 100 (Routine)
Gilliat Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
Angatuba	Brazil	Record daily precipitation	78.0 mm (3.1 in)	30 of 100 (Routine)
Kipling 4 NNW	United States	Record daily precipitation	76.2 mm (3.0 in)	30 of 100 (Routine)
Granada Station	Australia	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Fairfield	United States	Record daily snowfall	14.0 cm (5.5 in)	29 of 100 (Routine)
Audley National Park Bottom St	Australia	Record daily precipitation	35.8 mm (1.4 in)	28 of 100 (Routine)
Windom	United States	Record daily snowfall	6.4 cm (2.5 in)	27 of 100 (Routine)
Lacrosse	United States	Record low minimum temperature	-7.2 C (19.0 F)	27 of 100 (Routine)
Sunnybank Bowls Club	Australia	Record daily precipitation	30.8 mm (1.2 in)	26 of 100 (Routine)
Olenja Rechka	Russia	Record low maximum temperature	-21.9 C (-7.4 F)	26 of 100 (Routine)
Mount Isa Mine	Australia	Record daily precipitation	48.8 mm (1.9 in)	25 of 100 (Routine)
Oberon (Gingkin)	Australia	Record daily precipitation	43.0 mm (1.7 in)	25 of 100 (Routine)
Santa Sofia	Brazil	Record daily precipitation	43.1 mm (1.7 in)	25 of 100 (Routine)
Acatlan de Osorio (Smn)	Mexico	Record low maximum temperature	28.3 C (82.9 F)	25 of 100 (Routine)
Olenja Rechka	Russia	Record low minimum temperature	-31.3 C (-24.3 F)	25 of 100 (Routine)
Columbus Junction	United States	Record daily snowfall	20.3 cm (8.0 in)	25 of 100 (Routine)
Sao Jose Do Rio Preto	Brazil	Record daily precipitation	39.0 mm (1.5 in)	24 of 100 (Routine)
San Luis de la Paz	Mexico	Record high maximum temperature	32.8 C (91.0 F)	24 of 100 (Routine)
Cuitzeo	Mexico	Record high minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Plainfield	United States	Record daily snowfall	6.4 cm (2.5 in)	24 of 100 (Routine)
Albion Downs	Australia	Record daily precipitation	43.2 mm (1.7 in)	23 of 100 (Routine)
Taquarituba	Brazil	Record daily precipitation	35.8 mm (1.4 in)	23 of 100 (Routine)
Petrolina	Brazil	Record daily precipitation	69.8 mm (2.7 in)	23 of 100 (Routine)
Rubcovsk	Russia	Record low minimum temperature	-32.8 C (-27.0 F)	23 of 100 (Routine)
Arcadia	United States	Record high maximum temperature	34.4 C (93.9 F)	23 of 100 (Routine)
La Belle	United States	Record high maximum temperature	35.0 C (95.0 F)	23 of 100 (Routine)
Ganca	Azerbaijan	Record high minimum temperature	9.3 C (48.7 F)	22 of 100 (Routine)
Usina Couro Do Cervo	Brazil	Record daily precipitation	39.1 mm (1.5 in)	22 of 100 (Routine)
Lerma	Mexico	Record high maximum temperature	28.3 C (82.9 F)	22 of 100 (Routine)
Winter Haven	United States	Record high maximum temperature	34.4 C (93.9 F)	22 of 100 (Routine)
Paauhau 217	United States	Record daily precipitation	45.2 mm (1.8 in)	22 of 100 (Routine)
Darwin Airport	Australia	Record low maximum temperature	26.6 C (79.9 F)	21 of 100 (Routine)
Vitoria de Santo Antao	Brazil	Record daily precipitation	28.4 mm (1.1 in)	21 of 100 (Routine)
Ribeirao Corrente	Brazil	Record daily precipitation	33.5 mm (1.3 in)	21 of 100 (Routine)
Narandiba	Brazil	Record daily precipitation	47.6 mm (1.9 in)	21 of 100 (Routine)
Piaxtla	Mexico	Record high maximum temperature	41.7 C (107.1 F)	21 of 100 (Routine)
Verhneimbatsk	Russia	Record low minimum temperature	-38.7 C (-37.7 F)	21 of 100 (Routine)
Roosevelt 1 S	United States	Record low minimum temperature	1.1 C (34.0 F)	21 of 100 (Routine)
Augusta Bush Fld AP	United States	Record daily precipitation	62.5 mm (2.5 in)	21 of 100 (Routine)
Babuskin	Russia	Record daily precipitation	21.0 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

376 records

Records set or tied on 21 March 1977 by type: Highest daily maximum 68, Lowest daily maximum 38, Highest daily minimum 50, Lowest daily minimum 42, Heaviest daily rainfall 144, Heaviest daily snowfall 29, Deepest snow cover 5.

Records on 21 March 1977 by type
Record type	Records
Highest daily maximum	68
Lowest daily maximum	38
Highest daily minimum	50
Lowest daily minimum	42
Heaviest daily rainfall	144
Heaviest daily snowfall	29
Deepest snow cover	5

Records on 21 March 1977 by timescale: all-time 0, monthly 12, daily 364.

How Much Records Were Beaten By

302 broken records

Margins by which the 302 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 128.6. Ties are not counted.

Top 20 by Significance

21 March 1977

Top 20 records on 21 March 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1977	Darwin Quarantine Station, AU	daily rain	147.6 mm (5.8 in)	92.7 mm (3.6 in)	43 years	56 of 100 (Notable)
21 March 1977	Cloncurry McIllwraith St, AU	daily rain	105.0 mm (4.1 in)	72.0 mm (2.8 in)	36 years	56 of 100 (Notable)
21 March 1977	Sarapui, BR	daily rain	81.3 mm (3.2 in)	60.0 mm (2.4 in)	32 years	53 of 100 (Notable)
21 March 1977	Mt Ayr, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	83 years	47 of 100 (Notable)
21 March 1977	Bairro Do Sarapu, BR	daily rain	67.8 mm (2.7 in)	52.8 mm (2.1 in)	18 years	45 of 100 (Notable)
21 March 1977	Juazeiro (Pcd), BR	daily rain	64.5 mm (2.5 in)	48.8 mm (1.9 in)	52 years	44 of 100 (Notable)
21 March 1977	Darwin Airport, AU	daily rain	174.6 mm (6.9 in)	128.6 mm (5.1 in)	3 years	43 of 100 (Notable)
21 March 1977	Campina Do Monte Alegre An/Ces, BR	daily rain	73.6 mm (2.9 in)	39.6 mm (1.6 in)	32 years	42 of 100 (Notable)
21 March 1977	Anniston Metro AP, US	daily rain	84.3 mm (3.3 in)	45.7 mm (1.8 in)	36 years	42 of 100 (Notable)
21 March 1977	Servico Social de Menores, BR	daily rain	70.4 mm (2.8 in)	53.9 mm (2.1 in)	18 years	41 of 100 (Notable)
21 March 1977	Zmeinogorsk, RU	daily low min	-34.9 C (-30.8 F)	9.7 C (17.5 F)	74 years	40 of 100 (Notable)
21 March 1977	Kearney 4 NE, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	76 years	38 of 100 (Notable)
21 March 1977	Fairfield, US	daily rain	33.0 mm (1.3 in)	15.2 mm (0.6 in)	44 years	37 of 100 (Notable)
21 March 1977	Quadra, BR	daily rain	61.8 mm (2.4 in)	35.1 mm (1.4 in)	28 years	36 of 100 (Notable)
21 March 1977	Woodslee Cda, CA	daily snowfall	12.2 cm (4.8 in)	10.9 cm (4.3 in)	16 years	36 of 100 (Notable)
21 March 1977	Duchess Hotel, AU	daily rain	73.0 mm (2.9 in)	48.4 mm (1.9 in)	36 years	35 of 100 (Notable)
21 March 1977	Itapetininga, BR	daily rain	70.1 mm (2.8 in)	45.5 mm (1.8 in)	8 years	32 of 100 (Routine)
21 March 1977	Pine Creek, AU	daily rain	99.8 mm (3.9 in)	40.9 mm (1.6 in)	6 years	31 of 100 (Routine)
21 March 1977	Brunette Downs, AU	daily rain	32.2 mm (1.3 in)	4.8 mm (0.19 in)	72 years	31 of 100 (Routine)
21 March 1977	Montpellier-Aeroport, FR	daily rain	36.9 mm (1.5 in)	30.7 mm (1.2 in)	18 years	31 of 100 (Routine)

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 1977

Records set or tied on this calendar date in each year from 1797 to 1977. 1977 had 376 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 1977-03-21: 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 20	264
20 to 40	18
40 to 60	10
60 to 80	5
80 to 100	2
100 to 120	2
120 to 140	1