Weather Records on 4 September 1918

96 weather records were set or tied worldwide on 4 September 1918. Highest significance: Toledo Blade, US.

Key Facts for 4 September 1918

On 4 September 1918, 96 weather records were set or tied at long-record stations worldwide.
4 were record highs and 17 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 2 monthly and 93 daily.
Toledo Blade set an all-time record daily precipitation of 150.6 mm (5.9 in) on 4 September 1918.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 453 records.

Record Map

96 stations

96 station records on 4 September 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Toledo Blade	United States	Record daily precipitation	150.6 mm (5.9 in)	75 of 100 (Major)
Melbourne Regional Office	Australia	Record daily precipitation	46.0 mm (1.8 in)	61 of 100 (Major)
Kew	Australia	Record daily precipitation	42.9 mm (1.7 in)	57 of 100 (Notable)
Wandin (Yallock)	Australia	Record daily precipitation	47.2 mm (1.9 in)	53 of 100 (Notable)
Ferntree Gully	Australia	Record daily precipitation	48.3 mm (1.9 in)	52 of 100 (Notable)
Mornington	Australia	Record daily precipitation	39.4 mm (1.6 in)	49 of 100 (Notable)
Kargopol	Russia	Record daily precipitation	34.0 mm (1.3 in)	46 of 100 (Notable)
Caulfield (Racecourse)	Australia	Record daily precipitation	36.3 mm (1.4 in)	45 of 100 (Notable)
Lilydale	Australia	Record daily precipitation	57.4 mm (2.3 in)	45 of 100 (Notable)
Murrumbeena Leeds Grove	Australia	Record daily precipitation	45.7 mm (1.8 in)	45 of 100 (Notable)
Greensborough	Australia	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
Gravenhurst	Canada	Record daily precipitation	46.7 mm (1.8 in)	39 of 100 (Notable)
Warburton	Australia	Record daily precipitation	88.1 mm (3.5 in)	37 of 100 (Notable)
Neerim (Drewsdene)	Australia	Record daily precipitation	51.3 mm (2.0 in)	35 of 100 (Notable)
Yan Yean	Australia	Record daily precipitation	31.5 mm (1.2 in)	35 of 100 (Notable)
Venterstad	South Africa	Record daily precipitation	26.7 mm (1.1 in)	30 of 100 (Routine)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Warragul	Australia	Record daily precipitation	36.6 mm (1.4 in)	26 of 100 (Routine)
Beenak	Australia	Record daily precipitation	73.2 mm (2.9 in)	24 of 100 (Routine)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	25.9 mm (1.0 in)	23 of 100 (Routine)
Melton	Australia	Record daily precipitation	26.2 mm (1.0 in)	22 of 100 (Routine)
Lawrence	United States	Record daily precipitation	32.5 mm (1.3 in)	22 of 100 (Routine)
Pittsworth	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Toowoomba	Australia	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Little River (Mount Rothwell)	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Langmorn	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Maffra Shire Hall	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Tumby Bay (Warratta Vale)	Australia	Record daily precipitation	11.2 mm (0.4 in)	19 of 100 (Routine)
Officer (Jesmond Dene)	Australia	Record daily precipitation	36.3 mm (1.4 in)	18 of 100 (Routine)
Geelong Sec	Australia	Record daily precipitation	22.6 mm (0.9 in)	18 of 100 (Routine)
Cottam	Canada	Record daily precipitation	41.9 mm (1.6 in)	18 of 100 (Routine)
Newport	United States	Record daily precipitation	23.1 mm (0.9 in)	18 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record low maximum temperature	12.8 C (55.0 F)	17 of 100 (Routine)
Warragul (Carbethon)	Australia	Record daily precipitation	34.8 mm (1.4 in)	16 of 100 (Routine)
Qu'appelle	Canada	Record low minimum temperature	-1.1 C (30.0 F)	16 of 100 (Routine)
Vanersborg	Sweden	Record low minimum temperature	1.0 C (33.8 F)	16 of 100 (Routine)
Old Noarlunga Post Office	Australia	Record daily precipitation	8.4 mm (0.33 in)	15 of 100 (Routine)
Cowell	Australia	Record daily precipitation	13.5 mm (0.5 in)	14 of 100 (Routine)
Port Wakefield	Australia	Record daily precipitation	9.4 mm (0.37 in)	14 of 100 (Routine)
McKinlay Roadhouse	Australia	Record daily precipitation	5.8 mm (0.23 in)	14 of 100 (Routine)
Anticosti SW Point	Canada	Record high minimum temperature	12.8 C (55.0 F)	14 of 100 (Routine)
Adelaide (Tea Tree Gully Counc	Australia	Record daily precipitation	12.2 mm (0.5 in)	13 of 100 (Routine)
Ayrshire Downs	Australia	Record daily precipitation	1.5 mm (0.06 in)	13 of 100 (Routine)
Lowood Don St	Australia	Record daily precipitation	3.6 mm (0.14 in)	13 of 100 (Routine)
Cavendish (Post Office)	Australia	Record daily precipitation	14.7 mm (0.6 in)	13 of 100 (Routine)
Macarthur (Glenhuntly)	Australia	Record daily precipitation	20.3 mm (0.8 in)	13 of 100 (Routine)
Taroom Post Office	Australia	Record daily precipitation	10.2 mm (0.4 in)	12 of 100 (Routine)
Dromana	Australia	Record daily precipitation	25.7 mm (1.0 in)	12 of 100 (Routine)
Coranderrk Badger Weir	Australia	Record daily precipitation	14.0 mm (0.6 in)	12 of 100 (Routine)
Karlshamn	Sweden	Record low maximum temperature	14.0 C (57.2 F)	12 of 100 (Routine)
Concordia ASOS	United States	Record low maximum temperature	18.9 C (66.0 F)	12 of 100 (Routine)
Gunnedah Pool	Australia	Record low maximum temperature	15.0 C (59.0 F)	11 of 100 (Routine)
Clydebank	Australia	Record daily precipitation	12.7 mm (0.5 in)	11 of 100 (Routine)
Sale	Australia	Record daily precipitation	14.2 mm (0.6 in)	11 of 100 (Routine)
Myrniong	Australia	Record daily precipitation	7.6 mm (0.30 in)	11 of 100 (Routine)
Chatham 2	Canada	Record daily precipitation	22.9 mm (0.9 in)	11 of 100 (Routine)
Springsure Comet St	Australia	Record daily precipitation	4.8 mm (0.19 in)	10 of 100 (Routine)
Muttaburra	Australia	Record daily precipitation	2.0 mm (0.08 in)	10 of 100 (Routine)
Sale Mercury Office	Australia	Record daily precipitation	13.7 mm (0.5 in)	10 of 100 (Routine)
Coldwater	Canada	Record low maximum temperature	17.2 C (63.0 F)	10 of 100 (Routine)

Counts by Type and Timescale

96 records

Records set or tied on 4 September 1918 by type: Highest daily maximum 1, Lowest daily maximum 13, Highest daily minimum 3, Lowest daily minimum 4, Heaviest daily rainfall 75.

Records on 4 September 1918 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	13
Highest daily minimum	3
Lowest daily minimum	4
Heaviest daily rainfall	75
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 1918 by timescale: all-time 1, monthly 2, daily 93.

How Much Records Were Beaten By

88 broken records

Margins by which the 88 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.9. Ties are not counted.

Top 20 by Significance

4 September 1918

Top 20 records on 4 September 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1918	Toledo Blade, US	all-time rain	150.6 mm (5.9 in)	71.9 mm (2.8 in)	36 years	75 of 100 (Major)
4 September 1918	Melbourne Regional Office, AU	daily rain	46.0 mm (1.8 in)	27.5 mm (1.1 in)	52 years	61 of 100 (Major)
4 September 1918	Kew, AU	daily rain	42.9 mm (1.7 in)	31.5 mm (1.2 in)	44 years	57 of 100 (Notable)
4 September 1918	Wandin (Yallock), AU	daily rain	47.2 mm (1.9 in)	29.2 mm (1.1 in)	34 years	53 of 100 (Notable)
4 September 1918	Ferntree Gully, AU	daily rain	48.3 mm (1.9 in)	31.3 mm (1.2 in)	34 years	52 of 100 (Notable)
4 September 1918	Mornington, AU	daily rain	39.4 mm (1.6 in)	19.1 mm (0.8 in)	44 years	49 of 100 (Notable)
4 September 1918	Kargopol, RU	daily rain	34.0 mm (1.3 in)	18.5 mm (0.7 in)	12 years	46 of 100 (Notable)
4 September 1918	Caulfield (Racecourse), AU	daily rain	36.3 mm (1.4 in)	27.7 mm (1.1 in)	8 years	45 of 100 (Notable)
4 September 1918	Lilydale, AU	daily rain	57.4 mm (2.3 in)	46.7 mm (1.8 in)	8 years	45 of 100 (Notable)
4 September 1918	Murrumbeena Leeds Grove, AU	daily rain	45.7 mm (1.8 in)	37.6 mm (1.5 in)	8 years	45 of 100 (Notable)
4 September 1918	Greensborough, AU	daily rain	45.2 mm (1.8 in)	38.1 mm (1.5 in)	8 years	45 of 100 (Notable)
4 September 1918	Gravenhurst, CA	daily rain	46.7 mm (1.8 in)	24.3 mm (1.0 in)	44 years	39 of 100 (Notable)
4 September 1918	Warburton, AU	monthly rain	88.1 mm (3.5 in)	15.7 mm (0.6 in)	24 years	37 of 100 (Notable)
4 September 1918	Neerim (Drewsdene), AU	daily rain	51.3 mm (2.0 in)	22.3 mm (0.9 in)	22 years	35 of 100 (Notable)
4 September 1918	Yan Yean, AU	daily rain	31.5 mm (1.2 in)	13.2 mm (0.5 in)	34 years	35 of 100 (Notable)
4 September 1918	Venterstad, ZA	daily rain	26.7 mm (1.1 in)	24.9 mm (1.0 in)	8 years	30 of 100 (Routine)
4 September 1918	Kinglake West (Wallaby Creek), AU	daily rain	50.8 mm (2.0 in)	20.1 mm (0.8 in)	19 years	29 of 100 (Routine)
4 September 1918	Warragul, AU	daily rain	36.6 mm (1.4 in)	14.8 mm (0.6 in)	13 years	26 of 100 (Routine)
4 September 1918	Beenak, AU	monthly rain	73.2 mm (2.9 in)	0.3 mm (0.01 in)	34 years	24 of 100 (Routine)
4 September 1918	Narre Warren North (Narre Warr, AU	daily rain	25.9 mm (1.0 in)	6.6 mm (0.26 in)	34 years	23 of 100 (Routine)

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 1918

Records set or tied on this calendar date in each year from 1802 to 1918. 1918 had 96 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 1918-09-04: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	65
10 to 20	10
20 to 30	7
30 to 40	4
40 to 50	1
50 to 60	0
60 to 70	0
70 to 80	1