Weather Records on 12 September 1915

71 weather records were set or tied worldwide on 12 September 1915. Highest significance: Cooma Lambie Street, AU.

Key Facts for 12 September 1915

On 12 September 1915, 71 weather records were set or tied at long-record stations worldwide.
7 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 67 daily.
Cooma Lambie Street set a daily record precipitation of 41.9 mm (1.6 in) on 12 September 1915.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 415 records.

Record Map

71 stations

71 station records on 12 September 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cooma Lambie Street	Australia	Record daily precipitation	41.9 mm (1.6 in)	55 of 100 (Notable)
Goulburn	Australia	Record daily precipitation	57.4 mm (2.3 in)	55 of 100 (Notable)
Madison Wb City	United States	Record daily precipitation	81.5 mm (3.2 in)	52 of 100 (Notable)
Bobundara	Australia	Record daily precipitation	31.0 mm (1.2 in)	49 of 100 (Notable)
Bega (Newtown Road)	Australia	Record daily precipitation	94.7 mm (3.7 in)	48 of 100 (Notable)
Queanbeyan 2	Australia	Record daily precipitation	47.5 mm (1.9 in)	47 of 100 (Notable)
Crookwell Post Office	Australia	Record daily precipitation	38.4 mm (1.5 in)	46 of 100 (Notable)
Moruya Heads Pilot Station	Australia	Record daily precipitation	65.3 mm (2.6 in)	45 of 100 (Notable)
Eden (Caravan Park)	Australia	Record daily precipitation	91.4 mm (3.6 in)	44 of 100 (Notable)
Cavan	Australia	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Zametchino	Russia	Record daily precipitation	26.2 mm (1.0 in)	40 of 100 (Notable)
Cadia	Australia	Record daily precipitation	59.2 mm (2.3 in)	33 of 100 (Routine)
Narra Allen	Australia	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Bungonia (Inverary Park)	Australia	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	37.3 mm (1.5 in)	31 of 100 (Routine)
Orange Post Office	Australia	Record daily precipitation	35.8 mm (1.4 in)	28 of 100 (Routine)
Bukalong Station	Australia	Record daily precipitation	42.7 mm (1.7 in)	27 of 100 (Routine)
Gabo Island Lighthouse	Australia	Record daily precipitation	33.3 mm (1.3 in)	23 of 100 (Routine)
Toronto	Canada	Record daily precipitation	36.8 mm (1.4 in)	21 of 100 (Routine)
Dural Public School	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Warrangong	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Athol 1	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Wantabadgery	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Carcoar	Australia	Record daily precipitation	30.2 mm (1.2 in)	20 of 100 (Routine)
Menangle Jmai	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Queanbeyan Bowling Club	Australia	Record daily precipitation	53.8 mm (2.1 in)	20 of 100 (Routine)
Tarcutta Post Office	Australia	Record daily precipitation	14.0 mm (0.6 in)	19 of 100 (Routine)
Ellerston	Australia	Record daily precipitation	10.4 mm (0.4 in)	18 of 100 (Routine)
Cowra Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	18 of 100 (Routine)
Molong (King St)	Australia	Record daily precipitation	26.2 mm (1.0 in)	18 of 100 (Routine)
London South	Canada	Record daily precipitation	20.8 mm (0.8 in)	18 of 100 (Routine)
Edmonton	Canada	Record low maximum temperature	4.4 C (39.9 F)	17 of 100 (Routine)
Darwin Post Office	Australia	Record high minimum temperature	26.1 C (79.0 F)	16 of 100 (Routine)
Georgetown Post Office	Australia	Record daily precipitation	0.8 mm (0.03 in)	16 of 100 (Routine)
Hill End Post Office	Australia	Record daily precipitation	18.8 mm (0.7 in)	16 of 100 (Routine)
Murrumburrah Old Post Office	Australia	Record daily precipitation	15.2 mm (0.6 in)	16 of 100 (Routine)
Edmonton	Canada	Record low minimum temperature	-6.7 C (19.9 F)	16 of 100 (Routine)
Crown St. Reservoir	Australia	Record daily precipitation	6.1 mm (0.24 in)	15 of 100 (Routine)
Tarcutta	Australia	Record daily precipitation	11.4 mm (0.4 in)	15 of 100 (Routine)
Prince Albert	Canada	Record low maximum temperature	2.2 C (36.0 F)	15 of 100 (Routine)
Aurora	Canada	Record daily precipitation	33.3 mm (1.3 in)	15 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	23.3 C (73.9 F)	15 of 100 (Routine)
Mount McDonald	Australia	Record daily precipitation	30.5 mm (1.2 in)	14 of 100 (Routine)
Milwaukee Wb City	United States	Record daily precipitation	31.0 mm (1.2 in)	14 of 100 (Routine)
Cassilis (Dalkeith)	Australia	Record daily precipitation	3.8 mm (0.15 in)	13 of 100 (Routine)
Cataract River	Australia	Record daily precipitation	12.4 mm (0.5 in)	13 of 100 (Routine)
Charlton Post Office	Australia	Record daily precipitation	9.9 mm (0.39 in)	13 of 100 (Routine)
Medicine Hat A	Canada	Record daily snowfall	0.3 cm (0.1 in)	12 of 100 (Routine)
Anticosti SW Point	Canada	Record low minimum temperature	1.1 C (34.0 F)	12 of 100 (Routine)
Greenville Dwtn AP	United States	Record high maximum temperature	34.4 C (93.9 F)	12 of 100 (Routine)
Qu'appelle	Canada	Record daily snowfall	5.1 cm (2.0 in)	11 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	3.3 C (37.9 F)	10 of 100 (Routine)
Niznij Novgorod	Russia	Record daily precipitation	9.0 mm (0.35 in)	10 of 100 (Routine)
Wellington (Agrowplow)	Australia	Record daily precipitation	11.2 mm (0.4 in)	9 of 100 (Routine)
Brundah	Australia	Record daily precipitation	16.3 mm (0.6 in)	9 of 100 (Routine)
Omeo Comparison	Australia	Record daily precipitation	12.2 mm (0.5 in)	9 of 100 (Routine)
Dubbo (Wilbertree)	Australia	Record daily precipitation	9.1 mm (0.36 in)	8 of 100 (Routine)
Concordia ASOS	United States	Record high minimum temperature	23.9 C (75.0 F)	7 of 100 (Routine)
Medicine Hat A	Canada	Record low maximum temperature	5.6 C (42.1 F)	6 of 100 (Routine)

Counts by Type and Timescale

71 records

Records set or tied on 12 September 1915 by type: Highest daily maximum 1, Lowest daily maximum 6, Highest daily minimum 6, Lowest daily minimum 5, Heaviest daily rainfall 51, Heaviest daily snowfall 2.

Records on 12 September 1915 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	6
Highest daily minimum	6
Lowest daily minimum	5
Heaviest daily rainfall	51
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 12 September 1915 by timescale: all-time 0, monthly 4, daily 67.

How Much Records Were Beaten By

65 broken records

Margins by which the 65 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.2. Ties are not counted.

Top 20 by Significance

12 September 1915

Top 20 records on 12 September 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1915	Cooma Lambie Street, AU	daily rain	41.9 mm (1.6 in)	26.7 mm (1.1 in)	33 years	55 of 100 (Notable)
12 September 1915	Goulburn, AU	daily rain	57.4 mm (2.3 in)	40.4 mm (1.6 in)	34 years	55 of 100 (Notable)
12 September 1915	Madison Wb City, US	daily rain	81.5 mm (3.2 in)	64.2 mm (2.5 in)	27 years	52 of 100 (Notable)
12 September 1915	Bobundara, AU	daily rain	31.0 mm (1.2 in)	23.9 mm (0.9 in)	21 years	49 of 100 (Notable)
12 September 1915	Bega (Newtown Road), AU	daily rain	94.7 mm (3.7 in)	50.2 mm (2.0 in)	34 years	48 of 100 (Notable)
12 September 1915	Queanbeyan 2, AU	daily rain	47.5 mm (1.9 in)	45.0 mm (1.8 in)	14 years	47 of 100 (Notable)
12 September 1915	Crookwell Post Office, AU	daily rain	38.4 mm (1.5 in)	32.0 mm (1.3 in)	12 years	46 of 100 (Notable)
12 September 1915	Moruya Heads Pilot Station, AU	daily rain	65.3 mm (2.6 in)	42.4 mm (1.7 in)	33 years	45 of 100 (Notable)
12 September 1915	Eden (Caravan Park), AU	monthly rain	91.4 mm (3.6 in)	20.3 mm (0.8 in)	35 years	44 of 100 (Notable)
12 September 1915	Cavan, AU	daily rain	31.8 mm (1.3 in)	22.9 mm (0.9 in)	31 years	42 of 100 (Notable)
12 September 1915	Zametchino, RU	daily rain	26.2 mm (1.0 in)	15.9 mm (0.6 in)	25 years	40 of 100 (Notable)
12 September 1915	Cadia, AU	monthly rain	59.2 mm (2.3 in)	13.0 mm (0.5 in)	21 years	33 of 100 (Routine)
12 September 1915	Narra Allen, AU	daily rain	26.2 mm (1.0 in)	18.1 mm (0.7 in)	20 years	32 of 100 (Routine)
12 September 1915	Bungonia (Inverary Park), AU	daily rain	25.4 mm (1.0 in)	18.3 mm (0.7 in)	15 years	31 of 100 (Routine)
12 September 1915	Georgetown, CA	daily rain	37.3 mm (1.5 in)	18.5 mm (0.7 in)	12 years	31 of 100 (Routine)
12 September 1915	Orange Post Office, AU	daily rain	35.8 mm (1.4 in)	20.3 mm (0.8 in)	10 years	28 of 100 (Routine)
12 September 1915	Bukalong Station, AU	daily rain	42.7 mm (1.7 in)	11.2 mm (0.4 in)	33 years	27 of 100 (Routine)
12 September 1915	Gabo Island Lighthouse, AU	daily rain	33.3 mm (1.3 in)	14.8 mm (0.6 in)	8 years	23 of 100 (Routine)
12 September 1915	Toronto, CA	daily rain	36.8 mm (1.4 in)	11.1 mm (0.4 in)	13 years	21 of 100 (Routine)
12 September 1915	Dural Public School, AU	daily rain	22.9 mm (0.9 in)	20.4 mm (0.8 in)	71 years	20 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

1793 to 1915

Records set or tied on this calendar date in each year from 1793 to 1915. 1915 had 71 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1915-09-12: 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	40
10 to 20	12
20 to 30	7
30 to 40	1
40 to 50	3
50 to 60	1
60 to 70	1