Weather Records on 3 September 1970

566 weather records were set or tied worldwide on 3 September 1970. Highest significance: Alton, US.

Key Facts for 3 September 1970

On 3 September 1970, 566 weather records were set or tied at long-record stations worldwide.
131 were record highs and 133 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 547 daily.
Alton set an all-time record daily precipitation of 145.5 mm (5.7 in) on 3 September 1970.
Across 170 earlier years (1811 to 2026) the same calendar date averaged 438 records.

Record Map

566 stations

566 station records on 3 September 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 September 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alton	United States	Record daily precipitation	145.5 mm (5.7 in)	75 of 100 (Major)
Collingwood	Canada	Record daily precipitation	46.0 mm (1.8 in)	64 of 100 (Major)
Walla Walla WSO City	United States	Record daily precipitation	26.4 mm (1.0 in)	61 of 100 (Major)
Anderson	United States	Record daily precipitation	120.7 mm (4.8 in)	59 of 100 (Notable)
Duved	Sweden	Record daily precipitation	31.8 mm (1.3 in)	56 of 100 (Notable)
Fort St James	Canada	Record daily precipitation	27.4 mm (1.1 in)	46 of 100 (Notable)
Dixon Wwtp	United States	Record daily precipitation	54.9 mm (2.2 in)	46 of 100 (Notable)
Ust-USA	Russia	Record daily precipitation	26.7 mm (1.1 in)	45 of 100 (Notable)
Wingham (Lanark Close)	Australia	Record daily precipitation	37.3 mm (1.5 in)	44 of 100 (Notable)
North Bay A	Canada	Record daily precipitation	59.7 mm (2.4 in)	44 of 100 (Notable)
Pine Ridge	United States	Record daily precipitation	25.7 mm (1.0 in)	43 of 100 (Notable)
Davenport L&D 15	United States	Record daily precipitation	58.4 mm (2.3 in)	43 of 100 (Notable)
Bankura Obsy Sr	India	Record daily precipitation	116.8 mm (4.6 in)	42 of 100 (Notable)
Burdwan	India	Record daily precipitation	127.8 mm (5.0 in)	42 of 100 (Notable)
Eldon	United States	Record daily precipitation	58.7 mm (2.3 in)	42 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	44.5 mm (1.8 in)	42 of 100 (Notable)
Saint John	Canada	Record low minimum temperature	3.3 C (37.9 F)	41 of 100 (Notable)
Athens College of Ag	United States	Record daily precipitation	53.3 mm (2.1 in)	41 of 100 (Notable)
Rio Grande (Smn)	Mexico	Record daily precipitation	37.8 mm (1.5 in)	40 of 100 (Notable)
Korsakov	Russia	Record daily precipitation	30.3 mm (1.2 in)	39 of 100 (Notable)
Forster - Tuncurry R.V.C.P.	Australia	Record daily precipitation	56.6 mm (2.2 in)	38 of 100 (Notable)
Taree (Radio Station 2Re)	Australia	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)
Durham	Canada	Record daily precipitation	37.1 mm (1.5 in)	38 of 100 (Notable)
Sable Island	Canada	Record low minimum temperature	5.6 C (42.1 F)	38 of 100 (Notable)
Ogoron	Russia	Record daily precipitation	61.6 mm (2.4 in)	38 of 100 (Notable)
Independence	United States	Record daily precipitation	49.8 mm (2.0 in)	38 of 100 (Notable)
Coniston	Canada	Record daily precipitation	47.5 mm (1.9 in)	37 of 100 (Notable)
Washago	Canada	Record daily precipitation	53.6 mm (2.1 in)	37 of 100 (Notable)
Chicoutimi	Canada	Record low maximum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Douglas	United States	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Boyatup	Australia	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
Sanganer	India	Record daily precipitation	48.0 mm (1.9 in)	35 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record daily precipitation	62.2 mm (2.4 in)	35 of 100 (Notable)
Port Washington	United States	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Tiskilwa 2 SE	United States	Record daily precipitation	45.2 mm (1.8 in)	34 of 100 (Routine)
North Bay	Canada	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Paw Paw 2S	United States	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Farmington	United States	Record low minimum temperature	0.0 C (32.0 F)	33 of 100 (Routine)
Saint Paul Is AP	United States	Record daily precipitation	26.9 mm (1.1 in)	33 of 100 (Routine)
Krambach Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Wauchope (Avondale Street)	Australia	Record daily precipitation	46.5 mm (1.8 in)	32 of 100 (Routine)
Wahroonga Reservoir	Australia	Record daily precipitation	31.5 mm (1.2 in)	32 of 100 (Routine)
Shawinigan	Canada	Record daily precipitation	37.1 mm (1.5 in)	31 of 100 (Routine)
Winkelman 6 S	United States	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Hollister 1 SW	United States	Record low minimum temperature	3.9 C (39.0 F)	31 of 100 (Routine)
Keithsburg	United States	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Franklin 2 NNE	United States	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
E Jordan	United States	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Kalkaska	United States	Record daily precipitation	36.1 mm (1.4 in)	31 of 100 (Routine)
Canton L&D 20	United States	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Krishnanagar	India	Record daily precipitation	87.0 mm (3.4 in)	30 of 100 (Routine)
Pericos	Mexico	Record daily precipitation	38.4 mm (1.5 in)	30 of 100 (Routine)
Hobart 2 WNW	United States	Record high minimum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Winnebago	United States	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Sheboygan	United States	Record daily precipitation	46.2 mm (1.8 in)	30 of 100 (Routine)
Orlando Executive AP	United States	Record high minimum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Brohovo	Russia	Record high maximum temperature	24.1 C (75.4 F)	29 of 100 (Routine)
Bayfield 6 N	United States	Record high minimum temperature	19.4 C (66.9 F)	29 of 100 (Routine)
El Dorado 1 SSW	United States	Record daily precipitation	40.6 mm (1.6 in)	29 of 100 (Routine)
Cape Leeuwin	Australia	Record low minimum temperature	6.9 C (44.4 F)	28 of 100 (Routine)

Counts by Type and Timescale

566 records

Records set or tied on 3 September 1970 by type: Highest daily maximum 33, Lowest daily maximum 51, Highest daily minimum 98, Lowest daily minimum 82, Heaviest daily rainfall 302.

Records on 3 September 1970 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	51
Highest daily minimum	98
Lowest daily minimum	82
Heaviest daily rainfall	302
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 3 September 1970 by timescale: all-time 1, monthly 18, daily 547.

How Much Records Were Beaten By

456 broken records

Margins by which the 456 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.3. Ties are not counted.

Top 20 by Significance

3 September 1970

Top 20 records on 3 September 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 September 1970	Alton, US	all-time rain	145.5 mm (5.7 in)	54.6 mm (2.1 in)	33 years	75 of 100 (Major)
3 September 1970	Collingwood, CA	daily rain	46.0 mm (1.8 in)	31.8 mm (1.3 in)	69 years	64 of 100 (Major)
3 September 1970	Walla Walla WSO City, US	daily rain	26.4 mm (1.0 in)	25.1 mm (1.0 in)	53 years	61 of 100 (Major)
3 September 1970	Anderson, US	daily rain	120.7 mm (4.8 in)	95.3 mm (3.8 in)	47 years	59 of 100 (Notable)
3 September 1970	Duved, SE	daily rain	31.8 mm (1.3 in)	26.1 mm (1.0 in)	40 years	56 of 100 (Notable)
3 September 1970	Fort St James, CA	daily rain	27.4 mm (1.1 in)	13.4 mm (0.5 in)	31 years	46 of 100 (Notable)
3 September 1970	Dixon Wwtp, US	daily rain	54.9 mm (2.2 in)	34.6 mm (1.4 in)	52 years	46 of 100 (Notable)
3 September 1970	Ust-USA, RU	daily rain	26.7 mm (1.1 in)	18.6 mm (0.7 in)	9 years	45 of 100 (Notable)
3 September 1970	Wingham (Lanark Close), AU	daily rain	37.3 mm (1.5 in)	23.1 mm (0.9 in)	75 years	44 of 100 (Notable)
3 September 1970	North Bay A, CA	daily rain	59.7 mm (2.4 in)	41.4 mm (1.6 in)	12 years	44 of 100 (Notable)
3 September 1970	Pine Ridge, US	daily rain	25.7 mm (1.0 in)	22.1 mm (0.9 in)	19 years	43 of 100 (Notable)
3 September 1970	Davenport L&D 15, US	daily rain	58.4 mm (2.3 in)	30.2 mm (1.2 in)	52 years	43 of 100 (Notable)
3 September 1970	Bankura Obsy Sr, IN	daily rain	116.8 mm (4.6 in)	60.9 mm (2.4 in)	21 years	42 of 100 (Notable)
3 September 1970	Burdwan, IN	daily rain	127.8 mm (5.0 in)	62.0 mm (2.4 in)	21 years	42 of 100 (Notable)
3 September 1970	Eldon, US	daily rain	58.7 mm (2.3 in)	24.2 mm (1.0 in)	75 years	42 of 100 (Notable)
3 September 1970	Manitowoc, US	daily rain	44.5 mm (1.8 in)	26.7 mm (1.1 in)	44 years	42 of 100 (Notable)
3 September 1970	Saint John, CA	daily low min	3.3 C (37.9 F)	2.8 C (5.0 F)	77 years	41 of 100 (Notable)
3 September 1970	Athens College of Ag, US	daily rain	53.3 mm (2.1 in)	41.4 mm (1.6 in)	32 years	41 of 100 (Notable)
3 September 1970	Rio Grande (Smn), MX	daily rain	37.8 mm (1.5 in)	28.4 mm (1.1 in)	41 years	40 of 100 (Notable)
3 September 1970	Korsakov, RU	daily rain	30.3 mm (1.2 in)	10.0 mm (0.4 in)	71 years	39 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

1811 to 1970

Records set or tied on this calendar date in each year from 1811 to 1970. 1970 had 566 records.

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

Records on 09-03 in each year
Year	Records
1811	1
1823	1
1835	1
1843	1
1844	1
1846	1
1847	2
1849	1
1851	1
1852	1
1853	1
1854	1
1856	2
1861	1
1862	1
1865	1
1867	1
1868	1
1869	1
1871	2
1872	1
1873	1
1874	2
1875	1
1876	1
1877	3
1878	3
1880	4
1882	1
1884	1
1885	3
1886	3
1887	2
1888	1
1889	1
1890	2
1891	4
1892	4
1894	3
1895	8
1896	1
1897	3
1898	8
1899	1
1900	3
1901	3
1902	3
1903	4
1904	12
1905	22
1906	14
1907	13
1908	10
1909	22
1910	28
1911	87
1912	76
1913	21
1914	14
1915	20
1916	32
1917	20
1918	135
1919	68
1920	65
1921	116
1922	51
1923	134
1924	189
1925	290
1926	225
1927	67
1928	302
1929	431
1930	120
1931	429
1932	411
1933	270
1934	587
1935	453
1936	342
1937	774
1938	336
1939	656
1940	213
1941	406
1942	451
1943	286
1944	282
1945	404
1946	524
1947	1,515
1948	453
1949	281
1950	654
1951	455
1952	823
1953	846
1954	350
1955	492
1956	482
1957	315
1958	539
1959	380
1960	462
1961	996
1962	415
1963	295
1964	422
1965	472
1966	387
1967	901
1968	378
1969	516
1970	566
1971	570
1972	691
1973	766
1974	2,122
1975	530
1976	795
1977	542
1978	635
1979	755
1980	517
1981	518
1982	699
1983	947
1984	838
1985	983
1986	735
1987	666
1988	1,224
1989	723
1990	773
1991	782
1992	1,127
1993	1,226
1994	1,249
1995	1,409
1996	683
1997	1,274
1998	1,333
1999	1,520
2000	1,722
2001	799
2002	605
2003	1,259
2004	704
2005	727
2006	1,512
2007	1,032
2008	1,183
2009	801
2010	1,204
2011	1,252
2012	944
2013	694
2014	535
2015	760
2016	833
2017	1,122
2018	680
2019	644
2020	756
2021	493
2022	1,587
2023	969
2024	851
2025	533
2026	1,240

Download the Data

Data for records on 1970-09-03: 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	403
20 to 40	44
40 to 60	6
60 to 80	2
80 to 100	1