Weather Records on 11 October 1920

140 weather records were set or tied worldwide on 11 October 1920. Highest significance: Old Noarlunga Post Office, AU.

Key Facts for 11 October 1920

On 11 October 1920, 140 weather records were set or tied at long-record stations worldwide.
27 were record highs and 2 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 140 daily.
Old Noarlunga Post Office set a daily record precipitation of 30.7 mm (1.2 in) on 11 October 1920.
Across 165 earlier years (1793 to 2026) the same calendar date averaged 456 records.

Record Map

140 stations

140 station records on 11 October 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 October 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Old Noarlunga Post Office	Australia	Record daily precipitation	30.7 mm (1.2 in)	49 of 100 (Notable)
Adelaide (Thorndon Park)	Australia	Record daily precipitation	30.0 mm (1.2 in)	47 of 100 (Notable)
Adelaide (Glen Osmond)	Australia	Record daily precipitation	32.3 mm (1.3 in)	46 of 100 (Notable)
North Adelaide	Australia	Record daily precipitation	34.5 mm (1.4 in)	46 of 100 (Notable)
Mitcham Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Yacka	Australia	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Cape Borda Comparison	Australia	Record daily precipitation	25.9 mm (1.0 in)	42 of 100 (Notable)
Sturt	Australia	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Watervale	Australia	Record daily precipitation	28.4 mm (1.1 in)	37 of 100 (Notable)
Port Pirie (Valencia)	Australia	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Adelaide West Terrace	Australia	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Brinkworth (Anama Park)	Australia	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
Roseworthy Agric College	Australia	Record daily precipitation	27.4 mm (1.1 in)	32 of 100 (Routine)
Battunga	Australia	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Port Pirie Nyrstar Comparison	Australia	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Elliston	Australia	Record daily precipitation	25.7 mm (1.0 in)	30 of 100 (Routine)
Adelaide (Salisbury Bowling Cl	Australia	Record daily precipitation	25.7 mm (1.0 in)	30 of 100 (Routine)
Barkerville	Canada	Record daily snowfall	21.6 cm (8.5 in)	30 of 100 (Routine)
Wandearah North	Australia	Record daily precipitation	26.4 mm (1.0 in)	29 of 100 (Routine)
Palermo	Italy	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Astoria	United States	Record daily precipitation	42.2 mm (1.7 in)	28 of 100 (Routine)
Redhill	Australia	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Meadows	Australia	Record daily precipitation	29.5 mm (1.2 in)	23 of 100 (Routine)
Mount Barker	Australia	Record daily precipitation	27.4 mm (1.1 in)	21 of 100 (Routine)
Cape Jervis Lighthouse	Australia	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Virginia Sheedy Road	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Roseworthy	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Snowtown	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Mallala	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Glenlee	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Maitland (Woodburlie)	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Warooka	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Victor Harbor Comparison	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Port Victoria	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Stockport	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Maitland (Weetulta)	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Robe Comparison	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Officer (Jesmond Dene)	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Maitland	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Port Clinton (Yararoo)	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Naracoorte	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Wentworth Post Office	Australia	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Lyndoch (Pewsey Vale)	Australia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Clare Post Office	Australia	Record daily precipitation	25.7 mm (1.0 in)	20 of 100 (Routine)
Nuriootpa	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Woodside	Australia	Record daily precipitation	27.7 mm (1.1 in)	20 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high minimum temperature	16.7 C (62.1 F)	20 of 100 (Routine)
Freeling Railway	Australia	Record daily precipitation	20.1 mm (0.8 in)	19 of 100 (Routine)
Greenock	Australia	Record daily precipitation	19.1 mm (0.8 in)	19 of 100 (Routine)
Beulah	Australia	Record daily precipitation	15.2 mm (0.6 in)	19 of 100 (Routine)
Macarthur (Glenhuntly)	Australia	Record daily precipitation	11.4 mm (0.4 in)	19 of 100 (Routine)
Huron Rgnl AP	United States	Record high minimum temperature	10.6 C (51.1 F)	19 of 100 (Routine)
Ardrossan	Australia	Record daily precipitation	14.0 mm (0.6 in)	18 of 100 (Routine)
Cornalla	Australia	Record daily precipitation	12.7 mm (0.5 in)	18 of 100 (Routine)
Donald Post Office	Australia	Record daily precipitation	10.7 mm (0.4 in)	18 of 100 (Routine)
Laen	Australia	Record daily precipitation	10.2 mm (0.4 in)	18 of 100 (Routine)
Areegra	Australia	Record daily precipitation	12.2 mm (0.5 in)	18 of 100 (Routine)
Corny Point	Australia	Record daily precipitation	17.5 mm (0.7 in)	17 of 100 (Routine)
Renmark	Australia	Record daily precipitation	11.2 mm (0.4 in)	17 of 100 (Routine)

Counts by Type and Timescale

140 records

Records set or tied on 11 October 1920 by type: Highest daily maximum 17, Lowest daily maximum 1, Highest daily minimum 10, Lowest daily minimum 1, Heaviest daily rainfall 110, Heaviest daily snowfall 1.

Records on 11 October 1920 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	1
Highest daily minimum	10
Lowest daily minimum	1
Heaviest daily rainfall	110
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 11 October 1920 by timescale: all-time 0, monthly 0, daily 140.

How Much Records Were Beaten By

134 broken records

Margins by which the 134 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.0. Ties are not counted.

Top 20 by Significance

11 October 1920

Top 20 records on 11 October 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 October 1920	Old Noarlunga Post Office, AU	daily rain	30.7 mm (1.2 in)	25.6 mm (1.0 in)	18 years	49 of 100 (Notable)
11 October 1920	Adelaide (Thorndon Park), AU	daily rain	30.0 mm (1.2 in)	21.6 mm (0.9 in)	18 years	47 of 100 (Notable)
11 October 1920	Adelaide (Glen Osmond), AU	daily rain	32.3 mm (1.3 in)	19.6 mm (0.8 in)	34 years	46 of 100 (Notable)
11 October 1920	North Adelaide, AU	daily rain	34.5 mm (1.4 in)	24.1 mm (0.9 in)	18 years	46 of 100 (Notable)
11 October 1920	Mitcham Post Office, AU	daily rain	34.3 mm (1.4 in)	25.2 mm (1.0 in)	11 years	44 of 100 (Notable)
11 October 1920	Yacka, AU	daily rain	26.9 mm (1.1 in)	23.6 mm (0.9 in)	11 years	42 of 100 (Notable)
11 October 1920	Cape Borda Comparison, AU	daily rain	25.9 mm (1.0 in)	14.2 mm (0.6 in)	19 years	42 of 100 (Notable)
11 October 1920	Sturt, AU	daily rain	25.4 mm (1.0 in)	20.8 mm (0.8 in)	20 years	40 of 100 (Notable)
11 October 1920	Watervale, AU	daily rain	28.4 mm (1.1 in)	22.0 mm (0.9 in)	35 years	37 of 100 (Notable)
11 October 1920	Port Pirie (Valencia), AU	daily rain	26.2 mm (1.0 in)	15.3 mm (0.6 in)	34 years	37 of 100 (Notable)
11 October 1920	Adelaide West Terrace, AU	daily rain	27.9 mm (1.1 in)	13.2 mm (0.5 in)	18 years	37 of 100 (Notable)
11 October 1920	Brinkworth (Anama Park), AU	daily rain	26.2 mm (1.0 in)	16.0 mm (0.6 in)	18 years	34 of 100 (Routine)
11 October 1920	Roseworthy Agric College, AU	daily rain	27.4 mm (1.1 in)	15.7 mm (0.6 in)	18 years	32 of 100 (Routine)
11 October 1920	Battunga, AU	daily rain	29.0 mm (1.1 in)	13.5 mm (0.5 in)	34 years	32 of 100 (Routine)
11 October 1920	Guelph Oac, CA	daily rain	33.0 mm (1.3 in)	18.0 mm (0.7 in)	16 years	32 of 100 (Routine)
11 October 1920	Port Pirie Nyrstar Comparison, AU	daily rain	31.0 mm (1.2 in)	17.3 mm (0.7 in)	18 years	31 of 100 (Routine)
11 October 1920	Elliston, AU	daily rain	25.7 mm (1.0 in)	14.0 mm (0.6 in)	19 years	30 of 100 (Routine)
11 October 1920	Adelaide (Salisbury Bowling Cl, AU	daily rain	25.7 mm (1.0 in)	13.0 mm (0.5 in)	18 years	30 of 100 (Routine)
11 October 1920	Barkerville, CA	daily snowfall	21.6 cm (8.5 in)	14.0 cm (5.5 in)	7 years	30 of 100 (Routine)
11 October 1920	Wandearah North, AU	daily rain	26.4 mm (1.0 in)	15.0 mm (0.6 in)	18 years	29 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 1920

Records set or tied on this calendar date in each year from 1793 to 1920. 1920 had 140 records.

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

Records on 10-11 in each year
Year	Records
1793	1
1801	1
1802	2
1803	1
1805	1
1807	1
1811	1
1814	2
1839	1
1845	1
1849	1
1851	1
1852	1
1854	1
1859	1
1860	4
1861	1
1864	2
1867	2
1869	1
1870	1
1872	2
1873	2
1875	1
1876	4
1877	3
1879	2
1880	2
1884	2
1885	5
1887	4
1888	2
1889	3
1890	1
1891	2
1892	2
1896	2
1897	4
1898	4
1900	1
1901	8
1902	14
1903	10
1904	20
1905	17
1906	52
1907	10
1908	11
1909	17
1910	31
1911	14
1912	21
1913	48
1914	40
1915	14
1916	25
1917	48
1918	32
1919	76
1920	140
1921	92
1922	35
1923	231
1924	149
1925	196
1926	137
1927	176
1928	713
1929	259
1930	656
1931	396
1932	235
1933	200
1934	862
1935	245
1936	243
1937	242
1938	438
1939	249
1940	201
1941	190
1942	537
1943	414
1944	247
1945	284
1946	770
1947	405
1948	736
1949	835
1950	450
1951	538
1952	472
1953	408
1954	672
1955	434
1956	894
1957	258
1958	795
1959	1,027
1960	333
1961	610
1962	857
1963	570
1964	927
1965	202
1966	279
1967	643
1968	312
1969	1,032
1970	859
1971	521
1972	708
1973	1,325
1974	356
1975	559
1976	565
1977	655
1978	426
1979	1,260
1980	478
1981	776
1982	1,141
1983	542
1984	552
1985	977
1986	961
1987	1,603
1988	621
1989	571
1990	1,617
1991	1,055
1992	527
1993	883
1994	726
1995	975
1996	842
1997	1,809
1998	750
1999	996
2000	1,782
2001	962
2002	1,000
2003	1,191
2004	593
2005	1,044
2006	840
2007	610
2008	1,369
2009	2,594
2010	964
2011	1,176
2012	696
2013	666
2014	620
2015	1,032
2016	378
2017	1,101
2018	1,517
2019	1,760
2020	680
2021	873
2022	244
2023	858
2024	842
2025	711
2026	864

Download the Data

Data for records on 1920-10-11: 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 20	126
20 to 40	7
40 to 60	0
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	1