Weather Records on 4 September 1971

717 weather records were set or tied worldwide on 4 September 1971. Highest significance: Park Rapids Muni AP, US.

Key Facts for 4 September 1971

On 4 September 1971, 717 weather records were set or tied at long-record stations worldwide.
249 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 21 monthly and 695 daily.
Park Rapids Muni AP set a monthly record daily precipitation of 75.2 mm (3.0 in) on 4 September 1971.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 450 records.

Record Map

717 stations

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

Weather records on 4 September 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Park Rapids Muni AP	United States	Record daily precipitation	75.2 mm (3.0 in)	63 of 100 (Major)
Pierson	Canada	Record daily precipitation	72.6 mm (2.9 in)	61 of 100 (Major)
Hobart Muni AP	United States	Record daily precipitation	139.4 mm (5.5 in)	61 of 100 (Major)
Jacampari	Brazil	Record daily precipitation	77.0 mm (3.0 in)	56 of 100 (Notable)
Faith	United States	Record daily precipitation	37.3 mm (1.5 in)	53 of 100 (Notable)
Pelican Rapids	United States	Record daily precipitation	69.9 mm (2.8 in)	51 of 100 (Notable)
Coonamble (Nardoo)	Australia	Record daily precipitation	41.1 mm (1.6 in)	50 of 100 (Notable)
Lamoni	United States	Record daily precipitation	85.9 mm (3.4 in)	50 of 100 (Notable)
Campbell	United States	Record daily precipitation	43.4 mm (1.7 in)	49 of 100 (Notable)
Lemmon	United States	Record daily precipitation	29.0 mm (1.1 in)	49 of 100 (Notable)
Milesville 5 NE	United States	Record daily precipitation	33.8 mm (1.3 in)	48 of 100 (Notable)
Telluride 4WNW	United States	Record daily snowfall	10.2 cm (4.0 in)	47 of 100 (Notable)
Mc Leod 3 E	United States	Record daily precipitation	89.9 mm (3.5 in)	47 of 100 (Notable)
Bison	United States	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Hilland 2 NW	United States	Record daily precipitation	42.9 mm (1.7 in)	46 of 100 (Notable)
Winnonowie Railway Siding	Australia	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Menindee (Weinteriga)	Australia	Record daily precipitation	26.9 mm (1.1 in)	43 of 100 (Notable)
Samtredia	Georgia	Record daily precipitation	86.1 mm (3.4 in)	43 of 100 (Notable)
Litchfield	United States	Record daily precipitation	44.7 mm (1.8 in)	43 of 100 (Notable)
Ipswich	United States	Record daily precipitation	51.1 mm (2.0 in)	43 of 100 (Notable)
Deloraine	Canada	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
Ada	United States	Record daily precipitation	61.0 mm (2.4 in)	42 of 100 (Notable)
Long Prairie	United States	Record daily precipitation	29.2 mm (1.1 in)	42 of 100 (Notable)
Hettinger	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Juremal (Jurema)	Brazil	Record daily precipitation	27.0 mm (1.1 in)	41 of 100 (Notable)
Amos	Canada	Record daily precipitation	39.4 mm (1.6 in)	41 of 100 (Notable)
St Andrews	Canada	Record high maximum temperature	30.0 C (86.0 F)	41 of 100 (Notable)
Mellette 4 W	United States	Record daily precipitation	50.0 mm (2.0 in)	41 of 100 (Notable)
Marquette	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Alert Bay	Canada	Record daily precipitation	31.5 mm (1.2 in)	40 of 100 (Notable)
Haileybury	Canada	Record high minimum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	29.0 mm (1.1 in)	40 of 100 (Notable)
Westhope	United States	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Highmore	United States	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Redig 11 NE	United States	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Hankinson	United States	Record daily precipitation	38.9 mm (1.5 in)	38 of 100 (Notable)
Pres.Janio Quadros (Joanina)	Brazil	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Onaka	United States	Record daily precipitation	57.2 mm (2.3 in)	37 of 100 (Notable)
Lawrence Post Office	Australia	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
La Pocatiere Cda	Canada	Record high minimum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Clinton #1	United States	Record daily precipitation	42.7 mm (1.7 in)	36 of 100 (Notable)
Agate 3 E	United States	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
Granville	United States	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Mahnomen	United States	Record daily precipitation	62.2 mm (2.4 in)	35 of 100 (Notable)
Ekalaka	United States	Record daily precipitation	41.7 mm (1.6 in)	35 of 100 (Notable)
Roscoe	United States	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
White River	Canada	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Espanola	United States	Record low minimum temperature	1.7 C (35.1 F)	34 of 100 (Routine)
Redfield	United States	Record daily precipitation	41.9 mm (1.6 in)	34 of 100 (Routine)
Ft Ripley	United States	Record daily precipitation	35.1 mm (1.4 in)	33 of 100 (Routine)
Cape Leeuwin	Australia	Record low minimum temperature	6.1 C (43.0 F)	32 of 100 (Routine)
Robe Comparison	Australia	Record low minimum temperature	4.5 C (40.1 F)	32 of 100 (Routine)
Cooyar Post Office	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Wilsonville	United States	Record daily precipitation	43.9 mm (1.7 in)	32 of 100 (Routine)
Rugby	United States	Record daily precipitation	41.4 mm (1.6 in)	32 of 100 (Routine)
Cottonwood 2 E	United States	Record daily precipitation	30.0 mm (1.2 in)	32 of 100 (Routine)
Farmingdale 4 N	United States	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Milan Exp STN	United States	Record daily precipitation	52.1 mm (2.1 in)	32 of 100 (Routine)
Tuscola	United States	Record high minimum temperature	21.7 C (71.1 F)	31 of 100 (Routine)

Counts by Type and Timescale

717 records

Records set or tied on 4 September 1971 by type: Highest daily maximum 41, Lowest daily maximum 57, Highest daily minimum 208, Lowest daily minimum 36, Heaviest daily rainfall 370, Heaviest daily snowfall 5.

Records on 4 September 1971 by type
Record type	Records
Highest daily maximum	41
Lowest daily maximum	57
Highest daily minimum	208
Lowest daily minimum	36
Heaviest daily rainfall	370
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 4 September 1971 by timescale: all-time 1, monthly 21, daily 695.

How Much Records Were Beaten By

586 broken records

Margins by which the 586 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

4 September 1971

Top 20 records on 4 September 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1971	Park Rapids Muni AP, US	monthly rain	75.2 mm (3.0 in)	24.4 mm (1.0 in)	57 years	63 of 100 (Major)
4 September 1971	Pierson, CA	monthly rain	72.6 mm (2.9 in)	34.2 mm (1.3 in)	16 years	61 of 100 (Major)
4 September 1971	Hobart Muni AP, US	daily rain	139.4 mm (5.5 in)	75.9 mm (3.0 in)	52 years	61 of 100 (Major)
4 September 1971	Jacampari, BR	monthly rain	77.0 mm (3.0 in)	67.7 mm (2.7 in)	9 years	56 of 100 (Notable)
4 September 1971	Faith, US	daily rain	37.3 mm (1.5 in)	29.7 mm (1.2 in)	44 years	53 of 100 (Notable)
4 September 1971	Pelican Rapids, US	daily rain	69.9 mm (2.8 in)	57.5 mm (2.3 in)	29 years	51 of 100 (Notable)
4 September 1971	Coonamble (Nardoo), AU	daily rain	41.1 mm (1.6 in)	25.6 mm (1.0 in)	62 years	50 of 100 (Notable)
4 September 1971	Lamoni, US	daily rain	85.9 mm (3.4 in)	45.8 mm (1.8 in)	50 years	50 of 100 (Notable)
4 September 1971	Campbell, US	daily rain	43.4 mm (1.7 in)	33.0 mm (1.3 in)	29 years	49 of 100 (Notable)
4 September 1971	Lemmon, US	daily rain	29.0 mm (1.1 in)	19.9 mm (0.8 in)	58 years	49 of 100 (Notable)
4 September 1971	Milesville 5 NE, US	daily rain	33.8 mm (1.3 in)	26.2 mm (1.0 in)	52 years	48 of 100 (Notable)
4 September 1971	Telluride 4WNW, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	69 years	47 of 100 (Notable)
4 September 1971	Mc Leod 3 E, US	monthly rain	89.9 mm (3.5 in)	16.7 mm (0.7 in)	43 years	47 of 100 (Notable)
4 September 1971	Bison, US	daily rain	31.0 mm (1.2 in)	21.3 mm (0.8 in)	29 years	46 of 100 (Notable)
4 September 1971	Hilland 2 NW, US	daily rain	42.9 mm (1.7 in)	34.0 mm (1.3 in)	2 years	46 of 100 (Notable)
4 September 1971	Winnonowie Railway Siding, AU	daily rain	27.4 mm (1.1 in)	20.3 mm (0.8 in)	12 years	45 of 100 (Notable)
4 September 1971	Menindee (Weinteriga), AU	daily rain	26.9 mm (1.1 in)	22.6 mm (0.9 in)	5 years	43 of 100 (Notable)
4 September 1971	Samtredia, GE	daily rain	86.1 mm (3.4 in)	78.5 mm (3.1 in)	2 years	43 of 100 (Notable)
4 September 1971	Litchfield, US	daily rain	44.7 mm (1.8 in)	30.5 mm (1.2 in)	28 years	43 of 100 (Notable)
4 September 1971	Ipswich, US	daily rain	51.1 mm (2.0 in)	23.7 mm (0.9 in)	29 years	43 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

1802 to 1971

Records set or tied on this calendar date in each year from 1802 to 1971. 1971 had 717 records.

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

Records on 09-04 in each year
Year	Records
1802	1
1805	1
1823	1
1833	1
1837	1
1839	1
1845	1
1847	1
1850	1
1854	1
1856	1
1857	1
1858	1
1861	1
1863	1
1864	1
1867	1
1868	1
1869	2
1871	1
1872	4
1874	1
1875	1
1877	1
1880	4
1881	1
1883	2
1885	3
1887	1
1888	2
1889	1
1890	1
1891	5
1894	4
1895	6
1896	1
1897	4
1898	9
1899	4
1900	1
1901	4
1902	4
1903	2
1904	7
1905	18
1906	16
1907	22
1908	9
1909	23
1910	91
1911	25
1912	29
1913	29
1914	19
1915	37
1916	24
1917	40
1918	96
1919	48
1920	105
1921	105
1922	62
1923	325
1924	167
1925	339
1926	256
1927	68
1928	341
1929	371
1930	102
1931	477
1932	429
1933	424
1934	393
1935	514
1936	309
1937	411
1938	236
1939	434
1940	287
1941	528
1942	323
1943	472
1944	341
1945	542
1946	431
1947	618
1948	409
1949	370
1950	642
1951	404
1952	645
1953	869
1954	372
1955	465
1956	586
1957	250
1958	384
1959	316
1960	552
1961	909
1962	733
1963	443
1964	507
1965	611
1966	428
1967	786
1968	546
1969	510
1970	644
1971	717
1972	513
1973	530
1974	2,279
1975	432
1976	582
1977	386
1978	940
1979	461
1980	355
1981	582
1982	617
1983	1,040
1984	1,107
1985	915
1986	663
1987	685
1988	1,259
1989	681
1990	787
1991	708
1992	1,132
1993	859
1994	1,001
1995	1,287
1996	907
1997	1,452
1998	1,564
1999	1,479
2000	1,336
2001	833
2002	767
2003	1,094
2004	898
2005	998
2006	1,268
2007	1,077
2008	1,335
2009	914
2010	1,804
2011	1,310
2012	1,209
2013	630
2014	461
2015	893
2016	597
2017	881
2018	758
2019	616
2020	957
2021	544
2022	1,256
2023	1,290
2024	985
2025	635
2026	1,222

Download the Data

Data for records on 1971-09-04: 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 20	550
20 to 40	30
40 to 60	2
60 to 80	3
80 to 100	0
100 to 120	1