Weather Records on 18 September 1903

58 weather records were set or tied worldwide on 18 September 1903. Highest significance: Deniliquin (Wilkinson St), AU.

Key Facts for 18 September 1903

On 18 September 1903, 58 weather records were set or tied at long-record stations worldwide.
4 were record highs and 10 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 56 daily.
Deniliquin (Wilkinson St) set a daily record precipitation of 35.8 mm (1.4 in) on 18 September 1903.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 424 records.

Record Map

58 stations

58 station records on 18 September 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1903: highest significance records shown on the map
Station	Country	Type	Value	Significance
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	35.8 mm (1.4 in)	55 of 100 (Notable)
Ararat Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	49 of 100 (Notable)
Stawell	Australia	Record daily precipitation	40.6 mm (1.6 in)	48 of 100 (Notable)
Wollongong Post Office	Australia	Record daily precipitation	83.1 mm (3.3 in)	47 of 100 (Notable)
Wagga Wagga (Kooringal)	Australia	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)
Bendigo Prison	Australia	Record daily precipitation	34.5 mm (1.4 in)	45 of 100 (Notable)
Mount Victoria (Mt Victoria (S	Australia	Record daily precipitation	50.5 mm (2.0 in)	41 of 100 (Notable)
Cordeaux River	Australia	Record daily precipitation	82.8 mm (3.3 in)	41 of 100 (Notable)
Tarcutta	Australia	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Muswellbrook (Lower Hill St)	Australia	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)
Goulburn	Australia	Record daily precipitation	36.1 mm (1.4 in)	40 of 100 (Notable)
Tarcutta Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Young Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Tenterfield (Federation Park)	Australia	Record daily precipitation	54.6 mm (2.1 in)	35 of 100 (Notable)
Kyneton Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	35 of 100 (Notable)
Dubbo (Darling Street)	Australia	Record daily precipitation	28.2 mm (1.1 in)	33 of 100 (Routine)
Maryland	Australia	Record daily precipitation	52.6 mm (2.1 in)	31 of 100 (Routine)
Emmaville (Strathbogie)	Australia	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Queanbeyan Bowling Club	Australia	Record daily precipitation	51.1 mm (2.0 in)	30 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Newcastle Nobbys Signal Statio	Australia	Record daily precipitation	32.5 mm (1.3 in)	25 of 100 (Routine)
Cassilis Post Office	Australia	Record daily precipitation	43.4 mm (1.7 in)	25 of 100 (Routine)
Kurrajong Heights (Bells Line	Australia	Record daily precipitation	63.0 mm (2.5 in)	25 of 100 (Routine)
Bringelly (Maryland)	Australia	Record daily precipitation	42.2 mm (1.7 in)	25 of 100 (Routine)
Mudgee (George Street)	Australia	Record daily precipitation	30.0 mm (1.2 in)	24 of 100 (Routine)
Orange Post Office	Australia	Record daily precipitation	41.4 mm (1.6 in)	21 of 100 (Routine)
Cooma Lambie Street	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Bathurst Gaol	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Albury	Australia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Bobadah (Melrose)	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Jerilderie (Yanko Station)	Australia	Record daily precipitation	11.4 mm (0.4 in)	18 of 100 (Routine)
Armidale (Radio Station 2Ad)	Australia	Record daily precipitation	21.6 mm (0.9 in)	17 of 100 (Routine)
Boorolong	Australia	Record daily precipitation	31.0 mm (1.2 in)	15 of 100 (Routine)
Melbourne Regional Office	Australia	Record daily precipitation	24.1 mm (0.9 in)	15 of 100 (Routine)
Kiandra Chalet	Australia	Record daily precipitation	30.0 mm (1.2 in)	14 of 100 (Routine)
Swan Hill (Murray Downs)	Australia	Record daily precipitation	18.8 mm (0.7 in)	14 of 100 (Routine)
Wahgunyah	Australia	Record daily precipitation	36.1 mm (1.4 in)	14 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	11.7 C (53.1 F)	13 of 100 (Routine)
Montgomery Wb City	United States	Record low minimum temperature	10.6 C (51.1 F)	13 of 100 (Routine)
Daylesford	Australia	Record daily precipitation	21.3 mm (0.8 in)	12 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record daily precipitation	4.3 mm (0.17 in)	11 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record daily precipitation	13.5 mm (0.5 in)	11 of 100 (Routine)
Saint John	Canada	Record high minimum temperature	15.0 C (59.0 F)	11 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high maximum temperature	18.3 C (64.9 F)	10 of 100 (Routine)
Sydney	Canada	Record high maximum temperature	26.1 C (79.0 F)	9 of 100 (Routine)
Madison Wb City	United States	Record low minimum temperature	2.8 C (37.0 F)	8 of 100 (Routine)
Montgomery Wb City	United States	Record low maximum temperature	21.1 C (70.0 F)	6 of 100 (Routine)
Boggabri (Ghoolendaadi)	Australia	Record daily precipitation	16.5 mm (0.6 in)	5 of 100 (Routine)
Hastings Post Office	Australia	Record daily precipitation	16.5 mm (0.6 in)	5 of 100 (Routine)
Melbourne Regional Office	Australia	Record low maximum temperature	10.6 C (51.1 F)	5 of 100 (Routine)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	17.3 mm (0.7 in)	5 of 100 (Routine)
Sydney	Canada	Record high minimum temperature	18.9 C (66.0 F)	4 of 100 (Routine)
Toledo Blade	United States	Record low minimum temperature	4.4 C (39.9 F)	2 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record low maximum temperature	11.7 C (53.1 F)	1 of 100 (Routine)
Jacksonville Wb City	United States	Record low minimum temperature	18.3 C (64.9 F)	1 of 100 (Routine)
Fort Sill	United States	Record low minimum temperature	5.6 C (42.1 F)	0 of 100 (Routine)
Jacksonville Wb City	United States	Record low maximum temperature	25.6 C (78.1 F)	0 of 100 (Routine)

Counts by Type and Timescale

58 records

Records set or tied on 18 September 1903 by type: Highest daily maximum 2, Lowest daily maximum 5, Highest daily minimum 2, Lowest daily minimum 5, Heaviest daily rainfall 44.

Records on 18 September 1903 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	5
Highest daily minimum	2
Lowest daily minimum	5
Heaviest daily rainfall	44
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1903 by timescale: all-time 0, monthly 2, daily 56.

How Much Records Were Beaten By

52 broken records

Margins by which the 52 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

18 September 1903

Top 20 records on 18 September 1903 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1903	Deniliquin (Wilkinson St), AU	daily rain	35.8 mm (1.4 in)	30.7 mm (1.2 in)	36 years	55 of 100 (Notable)
18 September 1903	Ararat Post Office, AU	daily rain	35.6 mm (1.4 in)	19.6 mm (0.8 in)	31 years	49 of 100 (Notable)
18 September 1903	Stawell, AU	daily rain	40.6 mm (1.6 in)	23.1 mm (0.9 in)	31 years	48 of 100 (Notable)
18 September 1903	Wollongong Post Office, AU	daily rain	83.1 mm (3.3 in)	71.9 mm (2.8 in)	13 years	47 of 100 (Notable)
18 September 1903	Wagga Wagga (Kooringal), AU	daily rain	41.9 mm (1.6 in)	30.5 mm (1.2 in)	7 years	45 of 100 (Notable)
18 September 1903	Bendigo Prison, AU	daily rain	34.5 mm (1.4 in)	27.1 mm (1.1 in)	9 years	45 of 100 (Notable)
18 September 1903	Mount Victoria (Mt Victoria (S, AU	daily rain	50.5 mm (2.0 in)	42.9 mm (1.7 in)	13 years	41 of 100 (Notable)
18 September 1903	Cordeaux River, AU	daily rain	82.8 mm (3.3 in)	70.1 mm (2.8 in)	13 years	41 of 100 (Notable)
18 September 1903	Tarcutta, AU	daily rain	27.9 mm (1.1 in)	19.0 mm (0.7 in)	7 years	41 of 100 (Notable)
18 September 1903	Muswellbrook (Lower Hill St), AU	daily rain	35.6 mm (1.4 in)	24.9 mm (1.0 in)	7 years	40 of 100 (Notable)
18 September 1903	Goulburn, AU	daily rain	36.1 mm (1.4 in)	27.5 mm (1.1 in)	13 years	40 of 100 (Notable)
18 September 1903	Tarcutta Post Office, AU	daily rain	27.9 mm (1.1 in)	19.0 mm (0.7 in)	7 years	38 of 100 (Notable)
18 September 1903	Moss Vale (Hoskins Street), AU	daily rain	44.2 mm (1.7 in)	30.5 mm (1.2 in)	22 years	37 of 100 (Notable)
18 September 1903	Young Post Office, AU	daily rain	33.0 mm (1.3 in)	24.1 mm (0.9 in)	7 years	36 of 100 (Notable)
18 September 1903	Tenterfield (Federation Park), AU	daily rain	54.6 mm (2.1 in)	33.0 mm (1.3 in)	13 years	35 of 100 (Notable)
18 September 1903	Kyneton Post Office, AU	daily rain	35.6 mm (1.4 in)	21.6 mm (0.9 in)	9 years	35 of 100 (Notable)
18 September 1903	Dubbo (Darling Street), AU	daily rain	28.2 mm (1.1 in)	21.1 mm (0.8 in)	25 years	33 of 100 (Routine)
18 September 1903	Maryland, AU	daily rain	52.6 mm (2.1 in)	29.5 mm (1.2 in)	2 years	31 of 100 (Routine)
18 September 1903	Emmaville (Strathbogie), AU	daily rain	43.2 mm (1.7 in)	31.8 mm (1.3 in)	6 years	30 of 100 (Routine)
18 September 1903	Queanbeyan Bowling Club, AU	monthly rain	51.1 mm (2.0 in)	7.4 mm (0.29 in)	25 years	30 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

1803 to 1903

Records set or tied on this calendar date in each year from 1803 to 1903. 1903 had 58 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 1903-09-18: 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	21
10 to 20	11
20 to 30	12
30 to 40	5
40 to 50	1
50 to 60	0
60 to 70	0
70 to 80	2