Weather Records on 7 May 1971

364 weather records were set or tied worldwide on 7 May 1971. Highest significance: Sitka Magnetic Obsy, US.

Key Facts for 7 May 1971

On 7 May 1971, 364 weather records were set or tied at long-record stations worldwide.
74 were record highs and 69 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 346 daily.
Sitka Magnetic Obsy set a daily record precipitation of 54.9 mm (2.2 in) on 7 May 1971.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 419 records.

Record Map

364 stations

364 station records on 7 May 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sitka Magnetic Obsy	United States	Record daily precipitation	54.9 mm (2.2 in)	63 of 100 (Major)
Middlesboro Fire Dept	United States	Record daily precipitation	70.6 mm (2.8 in)	56 of 100 (Notable)
Inukjuak Ua	Canada	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Audubon	United States	Record daily precipitation	52.1 mm (2.1 in)	52 of 100 (Notable)
Cumberland	United States	Record daily precipitation	58.4 mm (2.3 in)	52 of 100 (Notable)
Hyden	United States	Record daily precipitation	86.6 mm (3.4 in)	49 of 100 (Notable)
Annex Creek	United States	Record daily precipitation	79.2 mm (3.1 in)	47 of 100 (Notable)
Uccle	Belgium	Record high minimum temperature	14.1 C (57.4 F)	42 of 100 (Notable)
Wytheville	United States	Record daily precipitation	57.2 mm (2.3 in)	42 of 100 (Notable)
Arcadia	United States	Record daily precipitation	90.9 mm (3.6 in)	41 of 100 (Notable)
Pennington Gap	United States	Record daily precipitation	80.0 mm (3.1 in)	41 of 100 (Notable)
Princeton	United States	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Kartaly	Russia	Record daily precipitation	48.9 mm (1.9 in)	40 of 100 (Notable)
Riverton Lock 3	United States	Record daily precipitation	63.5 mm (2.5 in)	39 of 100 (Notable)
Victoria Valley (Glenrowan)	Australia	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Calhoun 2 N	United States	Record daily precipitation	57.7 mm (2.3 in)	38 of 100 (Notable)
Farmerville	United States	Record daily precipitation	53.8 mm (2.1 in)	37 of 100 (Notable)
Beckley Va Hospital	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Gary	United States	Record daily precipitation	67.6 mm (2.7 in)	37 of 100 (Notable)
Breona	Australia	Record daily precipitation	143.8 mm (5.7 in)	36 of 100 (Notable)
Orleans-Montante (Pcd)	Brazil	Record daily precipitation	41.2 mm (1.6 in)	36 of 100 (Notable)
Calarasi	Romania	Record daily precipitation	34.4 mm (1.4 in)	36 of 100 (Notable)
Nicosia	Cyprus	Record high maximum temperature	35.6 C (96.1 F)	35 of 100 (Notable)
Bucuresti Filaret	Romania	Record daily precipitation	34.2 mm (1.3 in)	35 of 100 (Notable)
Damascus	United States	Record daily precipitation	60.5 mm (2.4 in)	35 of 100 (Notable)
Flat Top	United States	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Greenfield	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Tyrone Lock 5	United States	Record daily precipitation	56.4 mm (2.2 in)	34 of 100 (Routine)
Centralia	United States	Record daily precipitation	57.2 mm (2.3 in)	34 of 100 (Routine)
Jefferson City Evap	United States	Record daily precipitation	39.9 mm (1.6 in)	34 of 100 (Routine)
McGrath AP	United States	Record daily snowfall	17.3 cm (6.8 in)	34 of 100 (Routine)
Franklin	United States	Record daily precipitation	52.6 mm (2.1 in)	33 of 100 (Routine)
Russellville	United States	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)
Rogersville 1 NE	United States	Record daily precipitation	53.8 mm (2.1 in)	33 of 100 (Routine)
Heidelberg	United States	Record daily precipitation	58.9 mm (2.3 in)	32 of 100 (Routine)
Hopkinsville	United States	Record daily precipitation	76.2 mm (3.0 in)	32 of 100 (Routine)
Waynesburg 7 NE	United States	Record daily precipitation	77.7 mm (3.1 in)	32 of 100 (Routine)
Colfax	United States	Record daily precipitation	76.7 mm (3.0 in)	32 of 100 (Routine)
Leesville	United States	Record daily precipitation	46.2 mm (1.8 in)	32 of 100 (Routine)
Newport	United States	Record high maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Winterset 4N	United States	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Elizabeth	United States	Record daily precipitation	78.2 mm (3.1 in)	31 of 100 (Routine)
Natchez	United States	Record daily precipitation	54.6 mm (2.1 in)	31 of 100 (Routine)
Mendota	United States	Record daily precipitation	77.0 mm (3.0 in)	31 of 100 (Routine)
Homer AP	United States	Record snow depth	15.2 cm (6.0 in)	31 of 100 (Routine)
Big Bear Lake Dam	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Cairo River	United States	Record daily precipitation	39.6 mm (1.6 in)	30 of 100 (Routine)
Sugartown	United States	Record daily precipitation	48.0 mm (1.9 in)	30 of 100 (Routine)
Paris 5 S	United States	Record daily precipitation	56.6 mm (2.2 in)	30 of 100 (Routine)
Pilot 1 ENE	United States	Record daily precipitation	35.6 mm (1.4 in)	30 of 100 (Routine)
Rio Formoso	Brazil	Record daily precipitation	98.5 mm (3.9 in)	29 of 100 (Routine)
Aachen	Germany	Record high maximum temperature	25.2 C (77.4 F)	29 of 100 (Routine)
David City 4E	United States	Record daily precipitation	81.0 mm (3.2 in)	29 of 100 (Routine)
Western 2W	United States	Record daily precipitation	59.7 mm (2.4 in)	29 of 100 (Routine)
Homer AP	United States	Record daily snowfall	7.4 cm (2.9 in)	29 of 100 (Routine)
Aragac Visokogornaya	Armenia	Record high maximum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Willcox	United States	Record low minimum temperature	-7.2 C (19.0 F)	28 of 100 (Routine)
Kasilof 3 NW	United States	Record daily snowfall	7.6 cm (3.0 in)	28 of 100 (Routine)
Nemuro	Japan	Record low maximum temperature	1.8 C (35.2 F)	27 of 100 (Routine)
Jackson	United States	Record daily precipitation	53.8 mm (2.1 in)	27 of 100 (Routine)

Counts by Type and Timescale

364 records

Records set or tied on 7 May 1971 by type: Highest daily maximum 39, Lowest daily maximum 45, Highest daily minimum 35, Lowest daily minimum 24, Heaviest daily rainfall 197, Heaviest daily snowfall 18, Deepest snow cover 6.

Records on 7 May 1971 by type
Record type	Records
Highest daily maximum	39
Lowest daily maximum	45
Highest daily minimum	35
Lowest daily minimum	24
Heaviest daily rainfall	197
Heaviest daily snowfall	18
Deepest snow cover	6

Records on 7 May 1971 by timescale: all-time 0, monthly 18, daily 346.

How Much Records Were Beaten By

316 broken records

Margins by which the 316 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 109.0. Ties are not counted.

Top 20 by Significance

7 May 1971

Top 20 records on 7 May 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1971	Sitka Magnetic Obsy, US	daily rain	54.9 mm (2.2 in)	28.5 mm (1.1 in)	71 years	63 of 100 (Major)
7 May 1971	Middlesboro Fire Dept, US	daily rain	70.6 mm (2.8 in)	29.5 mm (1.2 in)	71 years	56 of 100 (Notable)
7 May 1971	Inukjuak Ua, CA	daily snowfall	12.7 cm (5.0 in)	10.9 cm (4.3 in)	28 years	53 of 100 (Notable)
7 May 1971	Audubon, US	daily rain	52.1 mm (2.1 in)	31.3 mm (1.2 in)	66 years	52 of 100 (Notable)
7 May 1971	Cumberland, US	daily rain	58.4 mm (2.3 in)	28.9 mm (1.1 in)	71 years	52 of 100 (Notable)
7 May 1971	Hyden, US	monthly rain	86.6 mm (3.4 in)	33.5 mm (1.3 in)	7 years	49 of 100 (Notable)
7 May 1971	Annex Creek, US	daily rain	79.2 mm (3.1 in)	40.1 mm (1.6 in)	6 years	47 of 100 (Notable)
7 May 1971	Uccle, BE	daily high min	14.1 C (57.4 F)	0.8 C (1.4 F)	108 years	42 of 100 (Notable)
7 May 1971	Wytheville, US	daily rain	57.2 mm (2.3 in)	29.8 mm (1.2 in)	17 years	42 of 100 (Notable)
7 May 1971	Arcadia, US	daily rain	90.9 mm (3.6 in)	51.5 mm (2.0 in)	40 years	41 of 100 (Notable)
7 May 1971	Pennington Gap, US	monthly rain	80.0 mm (3.1 in)	22.3 mm (0.9 in)	7 years	41 of 100 (Notable)
7 May 1971	Princeton, US	daily rain	38.1 mm (1.5 in)	17.0 mm (0.7 in)	60 years	41 of 100 (Notable)
7 May 1971	Kartaly, RU	monthly rain	48.9 mm (1.9 in)	10.9 mm (0.4 in)	26 years	40 of 100 (Notable)
7 May 1971	Riverton Lock 3, US	daily rain	63.5 mm (2.5 in)	56.1 mm (2.2 in)	29 years	39 of 100 (Notable)
7 May 1971	Victoria Valley (Glenrowan), AU	daily rain	36.8 mm (1.4 in)	24.1 mm (0.9 in)	28 years	38 of 100 (Notable)
7 May 1971	Calhoun 2 N, US	daily rain	57.7 mm (2.3 in)	19.6 mm (0.8 in)	66 years	38 of 100 (Notable)
7 May 1971	Farmerville, US	daily rain	53.8 mm (2.1 in)	17.7 mm (0.7 in)	66 years	37 of 100 (Notable)
7 May 1971	Beckley Va Hospital, US	daily rain	33.0 mm (1.3 in)	12.7 mm (0.5 in)	57 years	37 of 100 (Notable)
7 May 1971	Gary, US	monthly rain	67.6 mm (2.7 in)	14.3 mm (0.6 in)	17 years	37 of 100 (Notable)
7 May 1971	Breona, AU	monthly rain	143.8 mm (5.7 in)	28.7 mm (1.1 in)	14 years	36 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

1795 to 1971

Records set or tied on this calendar date in each year from 1795 to 1971. 1971 had 364 records.

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

Records on 05-07 in each year
Year	Records
1795	2
1805	1
1816	1
1825	2
1837	1
1838	1
1844	1
1845	2
1846	1
1848	2
1850	2
1852	1
1853	1
1856	3
1857	1
1861	3
1862	1
1863	1
1864	1
1867	3
1869	1
1870	1
1872	1
1874	2
1876	3
1878	1
1879	2
1880	1
1884	2
1885	1
1886	4
1887	1
1888	1
1889	2
1890	4
1891	4
1892	2
1894	4
1895	2
1897	5
1898	7
1899	3
1900	10
1901	1
1902	6
1903	13
1904	19
1905	21
1906	15
1907	14
1908	29
1909	15
1910	16
1911	14
1912	14
1913	30
1914	37
1915	40
1916	34
1917	188
1918	60
1919	263
1920	59
1921	41
1922	40
1923	119
1924	141
1925	207
1926	227
1927	191
1928	204
1929	224
1930	637
1931	473
1932	288
1933	291
1934	698
1935	298
1936	466
1937	121
1938	467
1939	194
1940	317
1941	317
1942	270
1943	416
1944	476
1945	751
1946	339
1947	727
1948	338
1949	439
1950	526
1951	226
1952	485
1953	541
1954	481
1955	393
1956	665
1957	546
1958	585
1959	335
1960	899
1961	442
1962	381
1963	825
1964	687
1965	671
1966	762
1967	973
1968	756
1969	678
1970	822
1971	364
1972	515
1973	447
1974	743
1975	784
1976	782
1977	662
1978	925
1979	888
1980	593
1981	710
1982	802
1983	724
1984	1,300
1985	557
1986	1,163
1987	1,115
1988	752
1989	1,880
1990	1,024
1991	599
1992	1,830
1993	831
1994	621
1995	997
1996	880
1997	1,359
1998	1,166
1999	1,008
2000	1,693
2001	743
2002	1,344
2003	1,138
2004	1,397
2005	645
2006	833
2007	1,047
2008	526
2009	735
2010	1,123
2011	558
2012	709
2013	633
2014	646
2015	569
2016	677
2017	543
2018	542
2019	522
2020	577
2021	484
2022	784
2023	667
2024	858
2025	635
2026	715

Download the Data

Data for records on 1971-05-07: 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 20	264
20 to 40	38
40 to 60	8
60 to 80	3
80 to 100	1
100 to 120	2