Weather Records on 5 May 1971

444 weather records were set or tied worldwide on 5 May 1971. Highest significance: Hamilton, US.

Key Facts for 5 May 1971

On 5 May 1971, 444 weather records were set or tied at long-record stations worldwide.
77 were record highs and 157 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 31 monthly and 410 daily.
Hamilton set a daily record precipitation of 35.6 mm (1.4 in) on 5 May 1971.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 443 records.

Record Map

444 stations

444 station records on 5 May 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 May 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hamilton	United States	Record daily precipitation	35.6 mm (1.4 in)	63 of 100 (Major)
Pavillion	United States	Record daily precipitation	38.1 mm (1.5 in)	60 of 100 (Major)
Wheatland 4N	United States	Record daily precipitation	90.7 mm (3.6 in)	53 of 100 (Notable)
Darby	United States	Record daily precipitation	28.4 mm (1.1 in)	52 of 100 (Notable)
Acude Varzea da Volta	Brazil	Record daily precipitation	113.1 mm (4.5 in)	47 of 100 (Notable)
Lyman	United States	Record daily precipitation	66.0 mm (2.6 in)	47 of 100 (Notable)
Midwest	United States	Record daily precipitation	43.4 mm (1.7 in)	44 of 100 (Notable)
Alhandra	Brazil	Record daily precipitation	100.0 mm (3.9 in)	42 of 100 (Notable)
Olifantshoek (Pol)	South Africa	Record daily precipitation	27.0 mm (1.1 in)	42 of 100 (Notable)
Nicosia	Cyprus	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Irapuato	Mexico	Record high maximum temperature	41.7 C (107.1 F)	39 of 100 (Notable)
Agate 3 E	United States	Record daily precipitation	50.5 mm (2.0 in)	39 of 100 (Notable)
Lake City 2 E	United States	Record low minimum temperature	5.0 C (41.0 F)	38 of 100 (Notable)
Brunswick	United States	Record low minimum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Washington 2 ESE	United States	Record low minimum temperature	0.6 C (33.1 F)	37 of 100 (Notable)
Nicosia	Cyprus	Record high maximum temperature	37.2 C (99.0 F)	35 of 100 (Notable)
Ribeirao Preto	Brazil	Record daily precipitation	70.2 mm (2.8 in)	34 of 100 (Routine)
Deland 1 SSE	United States	Record low maximum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Chasm Falls	United States	Record snow depth	20.3 cm (8.0 in)	34 of 100 (Routine)
Maricopa	United States	Record low minimum temperature	2.8 C (37.0 F)	33 of 100 (Routine)
Ft Laramie 11 NNW	United States	Record daily precipitation	72.9 mm (2.9 in)	33 of 100 (Routine)
Morgan 1 W	United States	Record low minimum temperature	7.2 C (45.0 F)	32 of 100 (Routine)
Lamoille Ph	United States	Record daily precipitation	33.3 mm (1.3 in)	32 of 100 (Routine)
Republic	United States	Record high minimum temperature	10.0 C (50.0 F)	32 of 100 (Routine)
Torrington Exp Farm	United States	Record daily precipitation	64.3 mm (2.5 in)	32 of 100 (Routine)
Greenwood	Canada	Record high minimum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Vincennes 4 E	United States	Record low minimum temperature	-0.6 C (30.9 F)	31 of 100 (Routine)
Tupper Lake Sunmount	United States	Record low maximum temperature	3.9 C (39.0 F)	31 of 100 (Routine)
Fazenda Aterradinho	Brazil	Record daily precipitation	38.5 mm (1.5 in)	30 of 100 (Routine)
Saluda	United States	Record low minimum temperature	0.0 C (32.0 F)	30 of 100 (Routine)
Chugwater	United States	Record daily precipitation	57.2 mm (2.3 in)	30 of 100 (Routine)
Riverton	United States	Record daily precipitation	26.2 mm (1.0 in)	30 of 100 (Routine)
Yoder 5 W	United States	Record daily precipitation	71.1 mm (2.8 in)	30 of 100 (Routine)
Alliance 1WNW	United States	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Indian Lake 2SW	United States	Record low maximum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Chugwater	United States	Record daily snowfall	30.5 cm (12.0 in)	29 of 100 (Routine)
Cabralia Paulista	Brazil	Record daily precipitation	30.7 mm (1.2 in)	28 of 100 (Routine)
Itanhaem	Brazil	Record daily precipitation	97.3 mm (3.8 in)	28 of 100 (Routine)
Titusville	United States	Record low minimum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Cardston	Canada	Record daily precipitation	28.2 mm (1.1 in)	27 of 100 (Routine)
Nooitgedacht	South Africa	Record daily precipitation	26.0 mm (1.0 in)	27 of 100 (Routine)
Visalia	United States	Record low minimum temperature	2.8 C (37.0 F)	27 of 100 (Routine)
Mercedes	Uruguay	Record low minimum temperature	-3.2 C (26.2 F)	27 of 100 (Routine)
Galia	Brazil	Record daily precipitation	37.9 mm (1.5 in)	26 of 100 (Routine)
Banderlierkop (Pol)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	26 of 100 (Routine)
Union Springs 9 S	United States	Record low minimum temperature	5.6 C (42.1 F)	26 of 100 (Routine)
Holyoke	United States	Record daily precipitation	29.5 mm (1.2 in)	26 of 100 (Routine)
De Funiak Springs 1 E	United States	Record low minimum temperature	5.0 C (41.0 F)	26 of 100 (Routine)
Anderson 1 N	United States	Record low minimum temperature	-0.6 C (30.9 F)	26 of 100 (Routine)
Casper 2 E	United States	Record daily precipitation	44.2 mm (1.7 in)	26 of 100 (Routine)
Garca	Brazil	Record daily precipitation	54.0 mm (2.1 in)	25 of 100 (Routine)
Acude Forquilha	Brazil	Record daily precipitation	47.9 mm (1.9 in)	25 of 100 (Routine)
Spier Falls	United States	Record low maximum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Duartina	Brazil	Record daily precipitation	41.0 mm (1.6 in)	24 of 100 (Routine)
Salto de Pirapora	Brazil	Record daily precipitation	27.9 mm (1.1 in)	24 of 100 (Routine)
Acude Ipaguassu	Brazil	Record daily precipitation	40.2 mm (1.6 in)	24 of 100 (Routine)
San Sebastian - Igueldo	Spain	Record high minimum temperature	14.8 C (58.6 F)	24 of 100 (Routine)
Eagle Mtn	United States	Record low minimum temperature	7.2 C (45.0 F)	24 of 100 (Routine)
St Walburg	Canada	Record high minimum temperature	12.2 C (54.0 F)	23 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record low minimum temperature	-2.7 C (27.1 F)	23 of 100 (Routine)

Counts by Type and Timescale

444 records

Records set or tied on 5 May 1971 by type: Highest daily maximum 24, Lowest daily maximum 37, Highest daily minimum 53, Lowest daily minimum 120, Heaviest daily rainfall 200, Heaviest daily snowfall 7, Deepest snow cover 3.

Records on 5 May 1971 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	37
Highest daily minimum	53
Lowest daily minimum	120
Heaviest daily rainfall	200
Heaviest daily snowfall	7
Deepest snow cover	3

Records on 5 May 1971 by timescale: all-time 3, monthly 31, daily 410.

How Much Records Were Beaten By

347 broken records

Margins by which the 347 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

5 May 1971

Top 20 records on 5 May 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 May 1971	Hamilton, US	daily rain	35.6 mm (1.4 in)	24.2 mm (1.0 in)	60 years	63 of 100 (Major)
5 May 1971	Pavillion, US	daily rain	38.1 mm (1.5 in)	29.2 mm (1.1 in)	50 years	60 of 100 (Major)
5 May 1971	Wheatland 4N, US	all-time rain	90.7 mm (3.6 in)	12.0 mm (0.5 in)	46 years	53 of 100 (Notable)
5 May 1971	Darby, US	daily rain	28.4 mm (1.1 in)	22.0 mm (0.9 in)	29 years	52 of 100 (Notable)
5 May 1971	Acude Varzea da Volta, BR	monthly rain	113.1 mm (4.5 in)	30.8 mm (1.2 in)	32 years	47 of 100 (Notable)
5 May 1971	Lyman, US	daily rain	66.0 mm (2.6 in)	42.4 mm (1.7 in)	10 years	47 of 100 (Notable)
5 May 1971	Midwest, US	daily rain	43.4 mm (1.7 in)	26.1 mm (1.0 in)	21 years	44 of 100 (Notable)
5 May 1971	Alhandra, BR	daily rain	100.0 mm (3.9 in)	63.3 mm (2.5 in)	16 years	42 of 100 (Notable)
5 May 1971	Olifantshoek (Pol), ZA	daily rain	27.0 mm (1.1 in)	23.7 mm (0.9 in)	49 years	42 of 100 (Notable)
5 May 1971	Nicosia, CY	daily high min	18.3 C (64.9 F)	2.7 C (4.9 F)	77 years	40 of 100 (Notable)
5 May 1971	Irapuato, MX	all-time high max	41.7 C (107.1 F)	3.4 C (6.1 F)	5 years	39 of 100 (Notable)
5 May 1971	Agate 3 E, US	daily rain	50.5 mm (2.0 in)	27.1 mm (1.1 in)	12 years	39 of 100 (Notable)
5 May 1971	Lake City 2 E, US	monthly low min	5.0 C (41.0 F)	0.6 C (1.1 F)	64 years	38 of 100 (Notable)
5 May 1971	Brunswick, US	monthly low min	6.7 C (44.1 F)	1.6 C (2.9 F)	50 years	37 of 100 (Notable)
5 May 1971	Washington 2 ESE, US	monthly low min	0.6 C (33.1 F)	0.5 C (0.9 F)	60 years	37 of 100 (Notable)
5 May 1971	Nicosia, CY	daily high max	37.2 C (99.0 F)	5.0 C (9.0 F)	49 years	35 of 100 (Notable)
5 May 1971	Ribeirao Preto, BR	monthly rain	70.2 mm (2.8 in)	18.9 mm (0.7 in)	16 years	34 of 100 (Routine)
5 May 1971	Deland 1 SSE, US	daily low max	22.2 C (72.0 F)	2.2 C (4.0 F)	60 years	34 of 100 (Routine)
5 May 1971	Chasm Falls, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	36 years	34 of 100 (Routine)
5 May 1971	Maricopa, US	monthly low min	2.8 C (37.0 F)	0.5 C (0.9 F)	56 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

1795 to 1971

Records set or tied on this calendar date in each year from 1795 to 1971. 1971 had 444 records.

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

Records on 05-05 in each year
Year	Records
1795	2
1805	1
1836	1
1837	1
1840	1
1850	4
1852	1
1855	1
1856	2
1859	2
1861	5
1862	1
1864	2
1867	1
1875	2
1877	2
1878	1
1879	2
1880	1
1882	1
1884	2
1885	1
1886	3
1888	3
1889	5
1890	2
1891	3
1892	5
1894	3
1895	2
1896	1
1897	2
1898	6
1899	5
1900	3
1901	2
1902	5
1903	9
1904	14
1905	17
1906	4
1907	16
1908	14
1909	17
1910	19
1911	17
1912	17
1913	46
1914	39
1915	73
1916	98
1917	70
1918	24
1919	77
1920	41
1921	63
1922	98
1923	139
1924	132
1925	143
1926	220
1927	115
1928	149
1929	256
1930	469
1931	250
1932	166
1933	339
1934	448
1935	417
1936	377
1937	159
1938	362
1939	222
1940	446
1941	415
1942	529
1943	427
1944	1,237
1945	355
1946	306
1947	528
1948	671
1949	1,099
1950	893
1951	174
1952	723
1953	659
1954	607
1955	382
1956	363
1957	561
1958	404
1959	587
1960	773
1961	644
1962	261
1963	249
1964	643
1965	724
1966	1,413
1967	613
1968	434
1969	530
1970	386
1971	444
1972	292
1973	542
1974	716
1975	711
1976	402
1977	708
1978	1,033
1979	1,534
1980	562
1981	524
1982	659
1983	475
1984	767
1985	463
1986	968
1987	895
1988	820
1989	941
1990	1,511
1991	1,176
1992	1,004
1993	725
1994	743
1995	888
1996	1,368
1997	1,220
1998	1,707
1999	1,301
2000	1,442
2001	963
2002	883
2003	1,792
2004	1,401
2005	1,009
2006	657
2007	850
2008	453
2009	751
2010	1,053
2011	857
2012	1,281
2013	1,265
2014	680
2015	783
2016	554
2017	849
2018	481
2019	538
2020	403
2021	733
2022	514
2023	579
2024	961
2025	717
2026	538

Download the Data

Data for records on 1971-05-05: 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 50	343
50 to 100	2
100 to 150	0
150 to 200	1
200 to 250	1