Weather Records on 2 May 1971

421 weather records were set or tied worldwide on 2 May 1971. Highest significance: Chasm Falls, US.

Key Facts for 2 May 1971

On 2 May 1971, 421 weather records were set or tied at long-record stations worldwide.
58 were record highs and 101 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 412 daily.
Chasm Falls set a daily record snow depth of 45.7 cm (18.0 in) on 2 May 1971.
Across 162 earlier years (1795 to 2026) the same calendar date averaged 462 records.

Record Map

421 stations

421 station records on 2 May 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 May 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chasm Falls	United States	Record snow depth	45.7 cm (18.0 in)	56 of 100 (Notable)
Blaauwkop	South Africa	Record daily precipitation	36.4 mm (1.4 in)	48 of 100 (Notable)
Salgadinho	Brazil	Record daily precipitation	61.0 mm (2.4 in)	43 of 100 (Notable)
Pio IX (Patrocinio)	Brazil	Record daily precipitation	65.8 mm (2.6 in)	42 of 100 (Notable)
Taipu	Brazil	Record daily precipitation	57.4 mm (2.3 in)	42 of 100 (Notable)
Maclear (Mag)	South Africa	Record daily precipitation	40.5 mm (1.6 in)	42 of 100 (Notable)
Monte Alto	Brazil	Record daily precipitation	60.1 mm (2.4 in)	40 of 100 (Notable)
Ostas I Hegra	Norway	Record daily precipitation	27.0 mm (1.1 in)	39 of 100 (Notable)
Rio Claro	Brazil	Record daily precipitation	53.0 mm (2.1 in)	38 of 100 (Notable)
Catole	Brazil	Record daily precipitation	63.9 mm (2.5 in)	36 of 100 (Notable)
Colesberg (Tnk)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	36 of 100 (Notable)
Agtertang	South Africa	Record daily precipitation	52.5 mm (2.1 in)	35 of 100 (Notable)
Dunmurray	South Africa	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Connorville (Lake River)	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Bamberg	Germany	Record low maximum temperature	7.4 C (45.3 F)	32 of 100 (Routine)
Tweespruit	South Africa	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Driefontein	South Africa	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Scranton	United States	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Cascavel	Brazil	Record daily precipitation	83.4 mm (3.3 in)	31 of 100 (Routine)
Saint Paul Is AP	United States	Record snow depth	40.6 cm (16.0 in)	30 of 100 (Routine)
Minsk	Belarus	Record low minimum temperature	-3.4 C (25.9 F)	29 of 100 (Routine)
Marnitz	Germany	Record low minimum temperature	-2.5 C (27.5 F)	29 of 100 (Routine)
Oatlands	South Africa	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Vale	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Itajobi	Brazil	Record daily precipitation	46.5 mm (1.8 in)	28 of 100 (Routine)
Batalha	Brazil	Record daily precipitation	40.1 mm (1.6 in)	28 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record low maximum temperature	5.2 C (41.4 F)	28 of 100 (Routine)
Kursk	Russia	Record low minimum temperature	-0.1 C (31.8 F)	28 of 100 (Routine)
Uitkyk	South Africa	Record daily precipitation	25.0 mm (1.0 in)	28 of 100 (Routine)
Garland 1 NE	United States	Record high minimum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Kaunas	Lithuania	Record low minimum temperature	-3.7 C (25.3 F)	27 of 100 (Routine)
Wonderboom	South Africa	Record daily precipitation	33.5 mm (1.3 in)	27 of 100 (Routine)
Natal Est, Mount Edg	South Africa	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Fayette	United States	Record low minimum temperature	1.1 C (34.0 F)	27 of 100 (Routine)
Greensboro	United States	Record low minimum temperature	5.0 C (41.0 F)	27 of 100 (Routine)
Mtunzini	South Africa	Record daily precipitation	61.8 mm (2.4 in)	26 of 100 (Routine)
New Meadows Rs	United States	Record high minimum temperature	7.2 C (45.0 F)	26 of 100 (Routine)
Dyer 5S	United States	Record high minimum temperature	8.3 C (46.9 F)	26 of 100 (Routine)
Hope	United States	Record high maximum temperature	35.6 C (96.1 F)	26 of 100 (Routine)
Sarajevo	Bosnia and Herzegovina	Record high minimum temperature	14.6 C (58.3 F)	25 of 100 (Routine)
Poltava	Ukraine	Record low maximum temperature	8.5 C (47.3 F)	25 of 100 (Routine)
Vasilevici	Belarus	Record low minimum temperature	-2.2 C (28.0 F)	24 of 100 (Routine)
Kaliningrad	Russia	Record low minimum temperature	-3.1 C (26.4 F)	24 of 100 (Routine)
Bencuti (Bos)	South Africa	Record daily precipitation	26.8 mm (1.1 in)	24 of 100 (Routine)
Tonti (Bos)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	24 of 100 (Routine)
Avalon Pleasure Pier	United States	Record low maximum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Itaju	Brazil	Record daily precipitation	33.6 mm (1.3 in)	22 of 100 (Routine)
Nurnberg	Germany	Record low maximum temperature	7.0 C (44.6 F)	22 of 100 (Routine)
Weissenburg	Germany	Record low maximum temperature	6.1 C (43.0 F)	22 of 100 (Routine)
La Poza Grande	Mexico	Record high maximum temperature	37.8 C (100.0 F)	22 of 100 (Routine)
Brekke I Sogn	Norway	Record daily precipitation	40.9 mm (1.6 in)	22 of 100 (Routine)
Dalnerechensk	Russia	Record low maximum temperature	4.9 C (40.8 F)	22 of 100 (Routine)
Bergville (Mag)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	22 of 100 (Routine)
Beulah	United States	Record high minimum temperature	11.7 C (53.1 F)	22 of 100 (Routine)
Burketown Post Office	Australia	Record low maximum temperature	27.2 C (81.0 F)	21 of 100 (Routine)
Palhano	Brazil	Record daily precipitation	38.6 mm (1.5 in)	21 of 100 (Routine)
Praha-Klementinum	Czech Republic	Record low maximum temperature	6.2 C (43.2 F)	21 of 100 (Routine)
Santiago Papasquiaro (Smn)	Mexico	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Waterford	South Africa	Record daily precipitation	26.0 mm (1.0 in)	21 of 100 (Routine)
Amatikulu	South Africa	Record daily precipitation	35.0 mm (1.4 in)	21 of 100 (Routine)

Counts by Type and Timescale

421 records

Records set or tied on 2 May 1971 by type: Highest daily maximum 29, Lowest daily maximum 50, Highest daily minimum 29, Lowest daily minimum 51, Heaviest daily rainfall 257, Deepest snow cover 5.

Records on 2 May 1971 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	50
Highest daily minimum	29
Lowest daily minimum	51
Heaviest daily rainfall	257
Heaviest daily snowfall	0
Deepest snow cover	5

Records on 2 May 1971 by timescale: all-time 0, monthly 9, daily 412.

How Much Records Were Beaten By

360 broken records

Margins by which the 360 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 457.0. Ties are not counted.

Top 20 by Significance

2 May 1971

Top 20 records on 2 May 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 May 1971	Chasm Falls, US	daily snow depth	45.7 cm (18.0 in)	45.7 cm (18.0 in)	40 years	56 of 100 (Notable)
2 May 1971	Blaauwkop, ZA	daily rain	36.4 mm (1.4 in)	31.1 mm (1.2 in)	20 years	48 of 100 (Notable)
2 May 1971	Salgadinho, BR	daily rain	61.0 mm (2.4 in)	46.2 mm (1.8 in)	26 years	43 of 100 (Notable)
2 May 1971	Pio IX (Patrocinio), BR	daily rain	65.8 mm (2.6 in)	40.2 mm (1.6 in)	4 years	42 of 100 (Notable)
2 May 1971	Taipu, BR	daily rain	57.4 mm (2.3 in)	29.4 mm (1.2 in)	53 years	42 of 100 (Notable)
2 May 1971	Maclear (Mag), ZA	daily rain	40.5 mm (1.6 in)	21.4 mm (0.8 in)	44 years	42 of 100 (Notable)
2 May 1971	Monte Alto, BR	daily rain	60.1 mm (2.4 in)	60.1 mm (2.4 in)	28 years	40 of 100 (Notable)
2 May 1971	Ostas I Hegra, NO	daily rain	27.0 mm (1.1 in)	8.2 mm (0.32 in)	56 years	39 of 100 (Notable)
2 May 1971	Rio Claro, BR	daily rain	53.0 mm (2.1 in)	37.0 mm (1.5 in)	30 years	38 of 100 (Notable)
2 May 1971	Catole, BR	daily rain	63.9 mm (2.5 in)	28.8 mm (1.1 in)	33 years	36 of 100 (Notable)
2 May 1971	Colesberg (Tnk), ZA	daily rain	31.0 mm (1.2 in)	19.5 mm (0.8 in)	14 years	36 of 100 (Notable)
2 May 1971	Agtertang, ZA	daily rain	52.5 mm (2.1 in)	28.2 mm (1.1 in)	12 years	35 of 100 (Notable)
2 May 1971	Dunmurray, ZA	daily rain	31.0 mm (1.2 in)	19.0 mm (0.7 in)	16 years	34 of 100 (Routine)
2 May 1971	Connorville (Lake River), AU	daily rain	25.4 mm (1.0 in)	10.9 mm (0.4 in)	37 years	32 of 100 (Routine)
2 May 1971	Bamberg, DE	daily low max	7.4 C (45.3 F)	0.5 C (0.9 F)	78 years	32 of 100 (Routine)
2 May 1971	Tweespruit, ZA	daily rain	32.0 mm (1.3 in)	20.0 mm (0.8 in)	12 years	32 of 100 (Routine)
2 May 1971	Driefontein, ZA	daily rain	30.5 mm (1.2 in)	19.8 mm (0.8 in)	20 years	32 of 100 (Routine)
2 May 1971	Scranton, US	daily rain	38.1 mm (1.5 in)	22.9 mm (0.9 in)	5 years	32 of 100 (Routine)
2 May 1971	Cascavel, BR	daily rain	83.4 mm (3.3 in)	30.3 mm (1.2 in)	30 years	31 of 100 (Routine)
2 May 1971	Saint Paul Is AP, US	monthly snow depth	40.6 cm (16.0 in)	2.5 cm (1.0 in)	43 years	30 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

1795 to 1971

Records set or tied on this calendar date in each year from 1795 to 1971. 1971 had 421 records.

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

Records on 05-02 in each year
Year	Records
1795	1
1804	1
1814	1
1835	1
1836	2
1845	1
1846	1
1849	1
1850	2
1852	1
1866	2
1868	2
1874	1
1875	1
1876	1
1877	2
1878	2
1879	1
1881	2
1883	1
1884	2
1885	1
1886	3
1887	1
1888	1
1889	2
1890	1
1891	4
1892	5
1893	1
1894	4
1895	1
1896	4
1897	2
1898	6
1899	9
1900	1
1901	6
1902	5
1903	14
1904	25
1905	19
1906	15
1907	22
1908	11
1909	48
1910	21
1911	34
1912	26
1913	132
1914	33
1915	25
1916	21
1917	52
1918	21
1919	52
1920	73
1921	31
1922	219
1923	58
1924	57
1925	123
1926	323
1927	125
1928	164
1929	336
1930	366
1931	237
1932	113
1933	584
1934	337
1935	509
1936	305
1937	278
1938	411
1939	273
1940	587
1941	510
1942	600
1943	542
1944	727
1945	522
1946	321
1947	794
1948	874
1949	561
1950	651
1951	509
1952	445
1953	1,009
1954	1,317
1955	977
1956	1,261
1957	371
1958	380
1959	1,030
1960	571
1961	670
1962	396
1963	685
1964	656
1965	314
1966	779
1967	1,123
1968	440
1969	338
1970	670
1971	421
1972	336
1973	711
1974	456
1975	337
1976	660
1977	579
1978	976
1979	743
1980	449
1981	1,009
1982	537
1983	1,808
1984	712
1985	1,062
1986	631
1987	763
1988	1,142
1989	1,009
1990	1,567
1991	587
1992	1,014
1993	1,017
1994	937
1995	1,166
1996	1,076
1997	750
1998	1,043
1999	838
2000	931
2001	1,256
2002	1,263
2003	787
2004	1,344
2005	1,785
2006	577
2007	867
2008	963
2009	898
2010	1,629
2011	936
2012	1,103
2013	1,486
2014	696
2015	582
2016	583
2017	601
2018	768
2019	622
2020	798
2021	572
2022	440
2023	951
2024	880
2025	569
2026	765

Download the Data

Data for records on 1971-05-02: 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	358
100 to 200	0
200 to 300	1
300 to 400	0
400 to 500	1