Weather Records on 30 March 1971

490 weather records were set or tied worldwide on 30 March 1971. Highest significance: Brakfontein, ZA.

Key Facts for 30 March 1971

On 30 March 1971, 490 weather records were set or tied at long-record stations worldwide.
209 were record highs and 68 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 30 monthly and 459 daily.
Brakfontein set a daily record precipitation of 63.0 mm (2.5 in) on 30 March 1971.
Across 162 earlier years (1796 to 2026) the same calendar date averaged 474 records.

Record Map

490 stations

490 station records on 30 March 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 March 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Brakfontein	South Africa	Record daily precipitation	63.0 mm (2.5 in)	62 of 100 (Major)
Canton 4 SE	United States	Record snow depth	71.1 cm (28.0 in)	56 of 100 (Notable)
Klipfontein"Potfontein"	South Africa	Record daily precipitation	71.0 mm (2.8 in)	53 of 100 (Notable)
Tucson WFO	United States	Record high minimum temperature	21.1 C (70.0 F)	48 of 100 (Notable)
Florence	United States	Record high minimum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Lowville	United States	Record snow depth	55.9 cm (22.0 in)	41 of 100 (Notable)
Croydon Township	Australia	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Koffiefontein (Pol)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	40 of 100 (Notable)
Quanbun Downs	Australia	Record daily precipitation	44.2 mm (1.7 in)	39 of 100 (Notable)
Groot-Arendskraal	South Africa	Record daily precipitation	39.5 mm (1.6 in)	38 of 100 (Notable)
Aquiraz	Brazil	Record daily precipitation	82.3 mm (3.2 in)	37 of 100 (Notable)
Sao Joao Do Sabugi	Brazil	Record daily precipitation	110.1 mm (4.3 in)	37 of 100 (Notable)
Ft Valley	United States	Record high maximum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Nova Olinda (Andreza)	Brazil	Record daily precipitation	127.5 mm (5.0 in)	36 of 100 (Notable)
Wickenburg	United States	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Chasm Falls	United States	Record snow depth	111.8 cm (44.0 in)	35 of 100 (Notable)
Santa Luzia	Brazil	Record daily precipitation	111.0 mm (4.4 in)	34 of 100 (Routine)
Banff	Canada	Record daily precipitation	28.2 mm (1.1 in)	34 of 100 (Routine)
Crowfels Station	Australia	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Sacaton	United States	Record high maximum temperature	37.2 C (99.0 F)	33 of 100 (Routine)
Diablo Dam	United States	Record daily precipitation	49.3 mm (1.9 in)	33 of 100 (Routine)
Mesa	United States	Record high maximum temperature	35.0 C (95.0 F)	32 of 100 (Routine)
Leroy 5 WSW	United States	Record high minimum temperature	6.1 C (43.0 F)	32 of 100 (Routine)
Ogdensburg 4 NE	United States	Record snow depth	45.7 cm (18.0 in)	32 of 100 (Routine)
Clarafield Station	Australia	Record daily precipitation	44.7 mm (1.8 in)	31 of 100 (Routine)
Banff	Canada	Record daily snowfall	27.2 cm (10.7 in)	31 of 100 (Routine)
Escanaba	United States	Record snow depth	55.9 cm (22.0 in)	31 of 100 (Routine)
Winslow AP	United States	Record high maximum temperature	29.4 C (84.9 F)	31 of 100 (Routine)
Frazier Downs	Australia	Record daily precipitation	37.1 mm (1.5 in)	30 of 100 (Routine)
Schmidtsdrif	South Africa	Record daily precipitation	41.2 mm (1.6 in)	30 of 100 (Routine)
Silver Bell	United States	Record high minimum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Bunda Bunda	Australia	Record daily precipitation	72.6 mm (2.9 in)	29 of 100 (Routine)
Burdekin Shire Council	Australia	Record low maximum temperature	24.7 C (76.5 F)	29 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Ribeirao Preto (Emsa)	Brazil	Record daily precipitation	60.7 mm (2.4 in)	29 of 100 (Routine)
Babuskin	Russia	Record low maximum temperature	-6.7 C (19.9 F)	29 of 100 (Routine)
Ishpeming	United States	Record snow depth	99.1 cm (39.0 in)	28 of 100 (Routine)
Georgetown Post Office	Australia	Record daily precipitation	53.1 mm (2.1 in)	27 of 100 (Routine)
Calmar	Canada	Record daily snowfall	16.0 cm (6.3 in)	27 of 100 (Routine)
Silver Bell	United States	Record high maximum temperature	32.2 C (90.0 F)	27 of 100 (Routine)
Richmond Post Office	Australia	Record low maximum temperature	24.6 C (76.3 F)	26 of 100 (Routine)
Low Head (Comparison)	Australia	Record high maximum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Ixmiquilpan (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Chapala	Mexico	Record high minimum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Granite Reef Dam	United States	Record high minimum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Watertown	United States	Record snow depth	38.1 cm (15.0 in)	26 of 100 (Routine)
Ennis	United States	Record high minimum temperature	6.1 C (43.0 F)	25 of 100 (Routine)
Nonda Downs Station	Australia	Record daily precipitation	63.5 mm (2.5 in)	24 of 100 (Routine)
Acude Ipaguassu	Brazil	Record daily precipitation	60.0 mm (2.4 in)	24 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Tombstone	United States	Record high minimum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Barrett Dam	United States	Record high maximum temperature	31.7 C (89.1 F)	24 of 100 (Routine)
Lindsay	United States	Record high minimum temperature	11.7 C (53.1 F)	24 of 100 (Routine)
Wibaux 2 E	United States	Record high minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Espanola	United States	Record high maximum temperature	27.8 C (82.0 F)	24 of 100 (Routine)
Red Rvr	United States	Record high maximum temperature	16.7 C (62.1 F)	24 of 100 (Routine)
Wanakena Rngr School	United States	Record snow depth	104.1 cm (41.0 in)	24 of 100 (Routine)
Tooele	United States	Record high maximum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
Hanna	Canada	Record daily snowfall	10.2 cm (4.0 in)	23 of 100 (Routine)
Tucson Magnetic Obsy	United States	Record high maximum temperature	34.4 C (93.9 F)	23 of 100 (Routine)

Counts by Type and Timescale

490 records

Records set or tied on 30 March 1971 by type: Highest daily maximum 150, Lowest daily maximum 45, Highest daily minimum 59, Lowest daily minimum 23, Heaviest daily rainfall 171, Heaviest daily snowfall 16, Deepest snow cover 26.

Records on 30 March 1971 by type
Record type	Records
Highest daily maximum	150
Lowest daily maximum	45
Highest daily minimum	59
Lowest daily minimum	23
Heaviest daily rainfall	171
Heaviest daily snowfall	16
Deepest snow cover	26

Records on 30 March 1971 by timescale: all-time 1, monthly 30, daily 459.

How Much Records Were Beaten By

385 broken records

Margins by which the 385 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 559.0. Ties are not counted.

Top 20 by Significance

30 March 1971

Top 20 records on 30 March 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 March 1971	Brakfontein, ZA	daily rain	63.0 mm (2.5 in)	38.1 mm (1.5 in)	66 years	62 of 100 (Major)
30 March 1971	Canton 4 SE, US	daily snow depth	71.1 cm (28.0 in)	55.9 cm (22.0 in)	44 years	56 of 100 (Notable)
30 March 1971	Klipfontein"Potfontein", ZA	monthly rain	71.0 mm (2.8 in)	31.3 mm (1.2 in)	15 years	53 of 100 (Notable)
30 March 1971	Tucson WFO, US	monthly high min	21.1 C (70.0 F)	3.9 C (7.0 F)	76 years	48 of 100 (Notable)
30 March 1971	Florence, US	daily high min	17.8 C (64.0 F)	4.5 C (8.1 F)	77 years	43 of 100 (Notable)
30 March 1971	Lowville, US	daily snow depth	55.9 cm (22.0 in)	33.0 cm (13.0 in)	48 years	41 of 100 (Notable)
30 March 1971	Croydon Township, AU	daily rain	30.2 mm (1.2 in)	17.0 mm (0.7 in)	80 years	40 of 100 (Notable)
30 March 1971	Koffiefontein (Pol), ZA	daily rain	35.0 mm (1.4 in)	10.1 mm (0.4 in)	79 years	40 of 100 (Notable)
30 March 1971	Quanbun Downs, AU	daily rain	44.2 mm (1.7 in)	36.1 mm (1.4 in)	28 years	39 of 100 (Notable)
30 March 1971	Groot-Arendskraal, ZA	daily rain	39.5 mm (1.6 in)	21.7 mm (0.9 in)	44 years	38 of 100 (Notable)
30 March 1971	Aquiraz, BR	daily rain	82.3 mm (3.2 in)	28.3 mm (1.1 in)	58 years	37 of 100 (Notable)
30 March 1971	Sao Joao Do Sabugi, BR	daily rain	110.1 mm (4.3 in)	50.1 mm (2.0 in)	9 years	37 of 100 (Notable)
30 March 1971	Ft Valley, US	monthly high max	21.7 C (71.1 F)	1.7 C (3.1 F)	61 years	37 of 100 (Notable)
30 March 1971	Nova Olinda (Andreza), BR	daily rain	127.5 mm (5.0 in)	61.9 mm (2.4 in)	20 years	36 of 100 (Notable)
30 March 1971	Wickenburg, US	monthly high max	35.0 C (95.0 F)	1.7 C (3.1 F)	55 years	35 of 100 (Notable)
30 March 1971	Chasm Falls, US	daily snow depth	111.8 cm (44.0 in)	50.8 cm (20.0 in)	38 years	35 of 100 (Notable)
30 March 1971	Santa Luzia, BR	all-time rain	111.0 mm (4.4 in)	11.0 mm (0.4 in)	5 years	34 of 100 (Routine)
30 March 1971	Banff, CA	daily rain	28.2 mm (1.1 in)	6.6 mm (0.26 in)	28 years	34 of 100 (Routine)
30 March 1971	Crowfels Station, AU	daily rain	31.8 mm (1.3 in)	31.8 mm (1.3 in)	53 years	33 of 100 (Routine)
30 March 1971	Sacaton, US	monthly high max	37.2 C (99.0 F)	0.5 C (0.9 F)	55 years	33 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

1796 to 1971

Records set or tied on this calendar date in each year from 1796 to 1971. 1971 had 490 records.

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

Records on 03-30 in each year
Year	Records
1796	1
1805	1
1808	1
1815	1
1822	1
1830	2
1834	1
1840	1
1842	1
1847	1
1848	1
1854	1
1856	2
1859	1
1860	1
1862	1
1863	2
1865	4
1869	1
1872	6
1874	1
1881	4
1882	3
1883	2
1884	2
1885	1
1886	1
1887	5
1888	2
1890	4
1892	4
1894	2
1896	3
1897	1
1898	5
1899	2
1900	5
1901	6
1902	9
1903	8
1904	14
1905	35
1906	9
1907	28
1908	12
1909	18
1910	68
1911	45
1912	25
1913	31
1914	20
1915	78
1916	19
1917	248
1918	29
1919	42
1920	20
1921	32
1922	89
1923	229
1924	215
1925	90
1926	273
1927	80
1928	209
1929	99
1930	215
1931	254
1932	198
1933	382
1934	236
1935	187
1936	881
1937	262
1938	690
1939	305
1940	466
1941	438
1942	257
1943	928
1944	823
1945	676
1946	536
1947	1,000
1948	363
1949	795
1950	616
1951	569
1952	265
1953	432
1954	743
1955	437
1956	500
1957	330
1958	288
1959	398
1960	431
1961	404
1962	578
1963	1,010
1964	1,420
1965	376
1966	759
1967	1,261
1968	736
1969	1,372
1970	1,040
1971	490
1972	384
1973	1,089
1974	895
1975	1,255
1976	619
1977	1,627
1978	1,017
1979	753
1980	762
1981	898
1982	764
1983	624
1984	756
1985	1,331
1986	1,533
1987	1,850
1988	635
1989	1,063
1990	897
1991	821
1992	611
1993	712
1994	767
1995	920
1996	781
1997	911
1998	2,464
1999	708
2000	631
2001	840
2002	878
2003	1,472
2004	1,298
2005	683
2006	689
2007	1,265
2008	1,100
2009	750
2010	933
2011	670
2012	743
2013	691
2014	776
2015	1,194
2016	596
2017	1,267
2018	433
2019	662
2020	464
2021	1,013
2022	576
2023	1,107
2024	431
2025	956
2026	1,210

Download the Data

Data for records on 1971-03-30: 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 100	370
100 to 200	7
200 to 300	3
300 to 400	2
400 to 500	0
500 to 600	3