Weather Records on 4 May 1971

810 weather records were set or tied worldwide on 4 May 1971. Highest significance: Goroke (Post Office), AU.

Key Facts for 4 May 1971

On 4 May 1971, 810 weather records were set or tied at long-record stations worldwide.
74 were record highs and 386 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 94 monthly and 716 daily.
Goroke (Post Office) set a daily record precipitation of 35.6 mm (1.4 in) on 4 May 1971.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 428 records.

Record Map

810 stations

810 station records on 4 May 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Goroke (Post Office)	Australia	Record daily precipitation	35.6 mm (1.4 in)	69 of 100 (Major)
Mount Gambier Post Office	Australia	Record daily precipitation	32.3 mm (1.3 in)	54 of 100 (Notable)
Harrow (Pine Hills)	Australia	Record daily precipitation	33.8 mm (1.3 in)	51 of 100 (Notable)
Rupanyup (Post Office)	Australia	Record daily precipitation	32.0 mm (1.3 in)	50 of 100 (Notable)
Bananal (Pcd)	Brazil	Record daily precipitation	58.2 mm (2.3 in)	50 of 100 (Notable)
Devonport Harbour Master	Australia	Record daily precipitation	66.8 mm (2.6 in)	49 of 100 (Notable)
Jung	Australia	Record daily precipitation	27.4 mm (1.1 in)	48 of 100 (Notable)
Pianco	Brazil	Record daily precipitation	115.3 mm (4.5 in)	47 of 100 (Notable)
Ruby Lake Nwr	United States	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Great Western (Seppelt)	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Birdwood	Australia	Record daily precipitation	43.9 mm (1.7 in)	45 of 100 (Notable)
Northdown (Hamley)	Australia	Record daily precipitation	57.4 mm (2.3 in)	45 of 100 (Notable)
Una (Agr)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	45 of 100 (Notable)
Millinocket	United States	Record daily precipitation	44.7 mm (1.8 in)	45 of 100 (Notable)
St Augustine	United States	Record low minimum temperature	6.1 C (43.0 F)	44 of 100 (Notable)
Wells	United States	Record daily precipitation	40.9 mm (1.6 in)	44 of 100 (Notable)
Chasm Falls	United States	Record snow depth	30.5 cm (12.0 in)	44 of 100 (Notable)
Lobethal	Australia	Record daily precipitation	45.0 mm (1.8 in)	42 of 100 (Notable)
Frankford (Rossville)	Australia	Record daily precipitation	59.4 mm (2.3 in)	42 of 100 (Notable)
Farmington	United States	Record daily precipitation	52.6 mm (2.1 in)	42 of 100 (Notable)
Arthur 4NW	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Ruby Lake Nwr	United States	Record daily snowfall	15.2 cm (6.0 in)	42 of 100 (Notable)
Kergunyah South	Australia	Record daily precipitation	38.9 mm (1.5 in)	41 of 100 (Notable)
Aiken 5SE	United States	Record low minimum temperature	2.2 C (36.0 F)	41 of 100 (Notable)
Saint Paul Is AP	United States	Record low minimum temperature	-12.8 C (9.0 F)	41 of 100 (Notable)
Gumeracha	Australia	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Morrl Morrl (Valley View)	Australia	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Latrobe (Coal Road)	Australia	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Laersdrift (Pol)	South Africa	Record daily precipitation	51.0 mm (2.0 in)	40 of 100 (Notable)
Vincennes 4 E	United States	Record low minimum temperature	-1.1 C (30.0 F)	40 of 100 (Notable)
Pinkham Notch	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Stockport	Australia	Record daily precipitation	33.8 mm (1.3 in)	39 of 100 (Notable)
Taipu	Brazil	Record daily precipitation	53.1 mm (2.1 in)	39 of 100 (Notable)
Tambe (Itambe)	Brazil	Record daily precipitation	62.0 mm (2.4 in)	39 of 100 (Notable)
Port Daniel	Canada	Record daily precipitation	34.3 mm (1.4 in)	39 of 100 (Notable)
Annapolis US Naval Aca	United States	Record low minimum temperature	0.0 C (32.0 F)	39 of 100 (Notable)
Clover Valley	United States	Record daily precipitation	29.7 mm (1.2 in)	39 of 100 (Notable)
Bradford	United States	Record daily precipitation	52.8 mm (2.1 in)	39 of 100 (Notable)
Blackville 3 W	United States	Record low minimum temperature	2.2 C (36.0 F)	39 of 100 (Notable)
Versamelhoek	South Africa	Record daily precipitation	31.5 mm (1.2 in)	38 of 100 (Notable)
Madison	United States	Record daily precipitation	47.0 mm (1.9 in)	38 of 100 (Notable)
Barkers Creek Reservoir	Australia	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Camp Hill 2NW	United States	Record low minimum temperature	0.0 C (32.0 F)	37 of 100 (Notable)
Albany 3 SE	United States	Record low minimum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Chickamauga 2 SW	United States	Record low minimum temperature	-1.1 C (30.0 F)	37 of 100 (Notable)
Waynesboro 2 W	United States	Record low minimum temperature	1.7 C (35.1 F)	37 of 100 (Notable)
Hot Springs	United States	Record low maximum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
Kapunda	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Talladega	United States	Record low minimum temperature	0.0 C (32.0 F)	36 of 100 (Notable)
Valley Head	United States	Record low minimum temperature	-1.7 C (28.9 F)	36 of 100 (Notable)
Wooragee	Australia	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
Karesuando	Sweden	Record low minimum temperature	-17.5 C (0.5 F)	35 of 100 (Notable)
Whiteville	United States	Record low minimum temperature	2.2 C (36.0 F)	35 of 100 (Notable)
Eudunda	Australia	Record daily precipitation	30.2 mm (1.2 in)	34 of 100 (Routine)
Murtoa	Australia	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Redbank	Australia	Record daily precipitation	32.3 mm (1.3 in)	34 of 100 (Routine)
Wartook Reservoir	Australia	Record daily precipitation	34.0 mm (1.3 in)	34 of 100 (Routine)
Redesdale	Australia	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Ringarooma (Charles Street)	Australia	Record daily precipitation	32.5 mm (1.3 in)	34 of 100 (Routine)
Walhalla	United States	Record low minimum temperature	-2.2 C (28.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

810 records

Records set or tied on 4 May 1971 by type: Highest daily maximum 22, Lowest daily maximum 81, Highest daily minimum 52, Lowest daily minimum 305, Heaviest daily rainfall 334, Heaviest daily snowfall 13, Deepest snow cover 3.

Records on 4 May 1971 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	81
Highest daily minimum	52
Lowest daily minimum	305
Heaviest daily rainfall	334
Heaviest daily snowfall	13
Deepest snow cover	3

Records on 4 May 1971 by timescale: all-time 0, monthly 94, daily 716.

How Much Records Were Beaten By

665 broken records

Margins by which the 665 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

4 May 1971

Top 20 records on 4 May 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1971	Goroke (Post Office), AU	daily rain	35.6 mm (1.4 in)	22.9 mm (0.9 in)	82 years	69 of 100 (Major)
4 May 1971	Mount Gambier Post Office, AU	daily rain	32.3 mm (1.3 in)	13.2 mm (0.5 in)	82 years	54 of 100 (Notable)
4 May 1971	Harrow (Pine Hills), AU	daily rain	33.8 mm (1.3 in)	21.1 mm (0.8 in)	25 years	51 of 100 (Notable)
4 May 1971	Rupanyup (Post Office), AU	daily rain	32.0 mm (1.3 in)	17.5 mm (0.7 in)	48 years	50 of 100 (Notable)
4 May 1971	Bananal (Pcd), BR	daily rain	58.2 mm (2.3 in)	43.2 mm (1.7 in)	24 years	50 of 100 (Notable)
4 May 1971	Devonport Harbour Master, AU	daily rain	66.8 mm (2.6 in)	42.4 mm (1.7 in)	12 years	49 of 100 (Notable)
4 May 1971	Jung, AU	daily rain	27.4 mm (1.1 in)	20.0 mm (0.8 in)	25 years	48 of 100 (Notable)
4 May 1971	Pianco, BR	monthly rain	115.3 mm (4.5 in)	31.3 mm (1.2 in)	25 years	47 of 100 (Notable)
4 May 1971	Ruby Lake Nwr, US	daily rain	33.5 mm (1.3 in)	31.7 mm (1.2 in)	14 years	47 of 100 (Notable)
4 May 1971	Great Western (Seppelt), AU	daily rain	30.0 mm (1.2 in)	18.3 mm (0.7 in)	48 years	46 of 100 (Notable)
4 May 1971	Birdwood, AU	daily rain	43.9 mm (1.7 in)	14.7 mm (0.6 in)	71 years	45 of 100 (Notable)
4 May 1971	Northdown (Hamley), AU	monthly rain	57.4 mm (2.3 in)	16.0 mm (0.6 in)	35 years	45 of 100 (Notable)
4 May 1971	Una (Agr), ZA	daily rain	25.0 mm (1.0 in)	18.4 mm (0.7 in)	49 years	45 of 100 (Notable)
4 May 1971	Millinocket, US	daily rain	44.7 mm (1.8 in)	25.4 mm (1.0 in)	25 years	45 of 100 (Notable)
4 May 1971	St Augustine, US	monthly low min	6.1 C (43.0 F)	1.1 C (2.0 F)	76 years	44 of 100 (Notable)
4 May 1971	Wells, US	monthly rain	40.9 mm (1.6 in)	4.8 mm (0.19 in)	61 years	44 of 100 (Notable)
4 May 1971	Chasm Falls, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	36 years	44 of 100 (Notable)
4 May 1971	Lobethal, AU	daily rain	45.0 mm (1.8 in)	14.3 mm (0.6 in)	71 years	42 of 100 (Notable)
4 May 1971	Frankford (Rossville), AU	daily rain	59.4 mm (2.3 in)	30.2 mm (1.2 in)	28 years	42 of 100 (Notable)
4 May 1971	Farmington, US	daily rain	52.6 mm (2.1 in)	28.5 mm (1.1 in)	24 years	42 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 810 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 1971-05-04: 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	660
50 to 100	2
100 to 150	0
150 to 200	2
200 to 250	0
250 to 300	0
300 to 350	1