Weather Records on 4 September 1970

644 weather records were set or tied worldwide on 4 September 1970. Highest significance: Burdwan, IN.

Key Facts for 4 September 1970

On 4 September 1970, 644 weather records were set or tied at long-record stations worldwide.
234 were record highs and 126 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 28 monthly and 614 daily.
Burdwan set a daily record precipitation of 253.0 mm (10.0 in) on 4 September 1970.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 450 records.

Record Map

644 stations

644 station records on 4 September 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Burdwan	India	Record daily precipitation	253.0 mm (10.0 in)	65 of 100 (Major)
Krishnanagar	India	Record daily precipitation	222.2 mm (8.7 in)	60 of 100 (Major)
Chas	India	Record daily precipitation	135.4 mm (5.3 in)	58 of 100 (Notable)
Hornindal	Norway	Record daily precipitation	80.1 mm (3.2 in)	55 of 100 (Notable)
Budge Budge	India	Record daily precipitation	127.5 mm (5.0 in)	50 of 100 (Notable)
Myklebust I Breim	Norway	Record daily precipitation	59.6 mm (2.3 in)	49 of 100 (Notable)
Detour Village	United States	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Chicoutimi	Canada	Record daily precipitation	48.3 mm (1.9 in)	47 of 100 (Notable)
Portage des Roches	Canada	Record daily precipitation	56.4 mm (2.2 in)	47 of 100 (Notable)
Arvida	Canada	Record daily precipitation	56.9 mm (2.2 in)	46 of 100 (Notable)
Gola	India	Record daily precipitation	132.0 mm (5.2 in)	46 of 100 (Notable)
Duved	Sweden	Record daily precipitation	25.1 mm (1.0 in)	46 of 100 (Notable)
Dhanbad Sr	India	Record daily precipitation	146.3 mm (5.8 in)	45 of 100 (Notable)
Walnut Grove	United States	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)
Ste Rose du Degelis	Canada	Record daily precipitation	54.9 mm (2.2 in)	44 of 100 (Notable)
Tadoussac	Canada	Record daily precipitation	61.2 mm (2.4 in)	43 of 100 (Notable)
Bridgeport 5 NW	United States	Record daily precipitation	43.2 mm (1.7 in)	43 of 100 (Notable)
Bathurst	Canada	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Beauceville	Canada	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Khamgaon	India	Record daily precipitation	75.0 mm (3.0 in)	40 of 100 (Notable)
Willcox	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
College Park	United States	Record high minimum temperature	25.0 C (77.0 F)	39 of 100 (Notable)
Chute Hemmings	Canada	Record daily precipitation	46.7 mm (1.8 in)	37 of 100 (Notable)
Woodstock	Canada	Record low maximum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Achalpur	India	Record daily precipitation	62.2 mm (2.4 in)	37 of 100 (Notable)
Ostas I Hegra	Norway	Record daily precipitation	43.0 mm (1.7 in)	37 of 100 (Notable)
Sells	United States	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Grangeville	United States	Record daily precipitation	36.6 mm (1.4 in)	37 of 100 (Notable)
Alexandria 4 WSW	United States	Record daily precipitation	49.8 mm (2.0 in)	37 of 100 (Notable)
Baddeck	Canada	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
Port Hastings	Canada	Record daily precipitation	44.2 mm (1.7 in)	36 of 100 (Notable)
Abbeville	United States	Record daily precipitation	70.4 mm (2.8 in)	36 of 100 (Notable)
Rapide Blanc	Canada	Record daily precipitation	51.6 mm (2.0 in)	35 of 100 (Notable)
Amreli	India	Record daily precipitation	77.5 mm (3.1 in)	35 of 100 (Notable)
Causapscal	Canada	Record daily precipitation	36.3 mm (1.4 in)	34 of 100 (Routine)
Aunet	Norway	Record daily precipitation	57.3 mm (2.3 in)	34 of 100 (Routine)
Biloxi	United States	Record high minimum temperature	27.2 C (81.0 F)	34 of 100 (Routine)
Mc Minnville	United States	Record low minimum temperature	1.1 C (34.0 F)	34 of 100 (Routine)
Fort Huachuca	United States	Record low maximum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Normandin Cda	Canada	Record daily precipitation	64.5 mm (2.5 in)	33 of 100 (Routine)
Moncton A	Canada	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
Taldangra	India	Record daily precipitation	101.6 mm (4.0 in)	33 of 100 (Routine)
Granite Reef Dam	United States	Record low maximum temperature	28.9 C (84.0 F)	33 of 100 (Routine)
Ft Smith Wtp	United States	Record daily precipitation	80.0 mm (3.1 in)	33 of 100 (Routine)
Princeville	United States	Record daily precipitation	63.5 mm (2.5 in)	33 of 100 (Routine)
Big Moose 3 SE	United States	Record daily precipitation	59.7 mm (2.4 in)	33 of 100 (Routine)
Selmer	United States	Record daily precipitation	54.6 mm (2.1 in)	33 of 100 (Routine)
Purulia	India	Record daily precipitation	67.0 mm (2.6 in)	32 of 100 (Routine)
Stillwater Rsvr	United States	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Sorel	Canada	Record daily precipitation	58.2 mm (2.3 in)	31 of 100 (Routine)
Pointe Au Pere	Canada	Record daily precipitation	29.5 mm (1.2 in)	31 of 100 (Routine)
Rexton	Canada	Record daily precipitation	49.8 mm (2.0 in)	31 of 100 (Routine)
San Juan de Los Llanos	Mexico	Record daily precipitation	34.8 mm (1.4 in)	31 of 100 (Routine)
Lead Hill	United States	Record daily precipitation	45.2 mm (1.8 in)	31 of 100 (Routine)
Gardiner	United States	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Fredericksburg Np	United States	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Moncton	Canada	Record low maximum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Kolaghat	India	Record daily precipitation	72.2 mm (2.8 in)	30 of 100 (Routine)
Briksdal	Norway	Record daily precipitation	43.8 mm (1.7 in)	30 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record high minimum temperature	21.7 C (71.1 F)	30 of 100 (Routine)

Counts by Type and Timescale

644 records

Records set or tied on 4 September 1970 by type: Highest daily maximum 47, Lowest daily maximum 93, Highest daily minimum 187, Lowest daily minimum 33, Heaviest daily rainfall 283, Heaviest daily snowfall 1.

Records on 4 September 1970 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	93
Highest daily minimum	187
Lowest daily minimum	33
Heaviest daily rainfall	283
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 4 September 1970 by timescale: all-time 2, monthly 28, daily 614.

How Much Records Were Beaten By

495 broken records

Margins by which the 495 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 198.4. Ties are not counted.

Top 20 by Significance

4 September 1970

Top 20 records on 4 September 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1970	Burdwan, IN	daily rain	253.0 mm (10.0 in)	198.4 mm (7.8 in)	60 years	65 of 100 (Major)
4 September 1970	Krishnanagar, IN	daily rain	222.2 mm (8.7 in)	164.8 mm (6.5 in)	44 years	60 of 100 (Major)
4 September 1970	Chas, IN	daily rain	135.4 mm (5.3 in)	84.6 mm (3.3 in)	51 years	58 of 100 (Notable)
4 September 1970	Hornindal, NO	daily rain	80.1 mm (3.2 in)	44.9 mm (1.8 in)	28 years	55 of 100 (Notable)
4 September 1970	Budge Budge, IN	daily rain	127.5 mm (5.0 in)	74.4 mm (2.9 in)	28 years	50 of 100 (Notable)
4 September 1970	Myklebust I Breim, NO	daily rain	59.6 mm (2.3 in)	31.0 mm (1.2 in)	44 years	49 of 100 (Notable)
4 September 1970	Detour Village, US	daily rain	53.3 mm (2.1 in)	32.0 mm (1.3 in)	27 years	48 of 100 (Notable)
4 September 1970	Chicoutimi, CA	daily rain	48.3 mm (1.9 in)	19.6 mm (0.8 in)	41 years	47 of 100 (Notable)
4 September 1970	Portage des Roches, CA	daily rain	56.4 mm (2.2 in)	37.3 mm (1.5 in)	12 years	47 of 100 (Notable)
4 September 1970	Arvida, CA	daily rain	56.9 mm (2.2 in)	27.2 mm (1.1 in)	35 years	46 of 100 (Notable)
4 September 1970	Gola, IN	daily rain	132.0 mm (5.2 in)	55.3 mm (2.2 in)	51 years	46 of 100 (Notable)
4 September 1970	Duved, SE	daily rain	25.1 mm (1.0 in)	17.6 mm (0.7 in)	9 years	46 of 100 (Notable)
4 September 1970	Dhanbad Sr, IN	monthly rain	146.3 mm (5.8 in)	31.2 mm (1.2 in)	47 years	45 of 100 (Notable)
4 September 1970	Walnut Grove, US	daily rain	41.9 mm (1.6 in)	27.2 mm (1.1 in)	60 years	45 of 100 (Notable)
4 September 1970	Ste Rose du Degelis, CA	daily rain	54.9 mm (2.2 in)	34.8 mm (1.4 in)	32 years	44 of 100 (Notable)
4 September 1970	Tadoussac, CA	daily rain	61.2 mm (2.4 in)	34.8 mm (1.4 in)	12 years	43 of 100 (Notable)
4 September 1970	Bridgeport 5 NW, US	daily rain	43.2 mm (1.7 in)	23.6 mm (0.9 in)	63 years	43 of 100 (Notable)
4 September 1970	Bathurst, CA	daily rain	33.5 mm (1.3 in)	10.6 mm (0.4 in)	78 years	42 of 100 (Notable)
4 September 1970	Beauceville, CA	daily rain	48.3 mm (1.9 in)	26.2 mm (1.0 in)	35 years	41 of 100 (Notable)
4 September 1970	Khamgaon, IN	daily rain	75.0 mm (3.0 in)	30.5 mm (1.2 in)	60 years	40 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 1970

Records set or tied on this calendar date in each year from 1802 to 1970. 1970 had 644 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 1970-09-04: 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 25	453
25 to 50	35
50 to 75	4
75 to 100	1
100 to 125	0
125 to 150	0
150 to 175	1
175 to 200	1