Weather Records on 11 December 1920

58 weather records were set or tied worldwide on 11 December 1920. Highest significance: Jamberoo (Lorna), AU.

Key Facts for 11 December 1920

On 11 December 1920, 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, 0 monthly and 58 daily.
Jamberoo (Lorna) set a daily record precipitation of 90.9 mm (3.6 in) on 11 December 1920.
Across 154 earlier years (1796 to 2025) the same calendar date averaged 476 records.

Record Map

58 stations

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

Weather records on 11 December 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jamberoo (Lorna)	Australia	Record daily precipitation	90.9 mm (3.6 in)	52 of 100 (Notable)
Burwood 1	Australia	Record daily precipitation	85.1 mm (3.4 in)	50 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Brogers Creek Upper (Cookville	Australia	Record daily precipitation	105.4 mm (4.1 in)	35 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record low maximum temperature	15.9 C (60.6 F)	30 of 100 (Routine)
Berry Masonic Village	Australia	Record daily precipitation	59.7 mm (2.4 in)	29 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record daily precipitation	29.5 mm (1.2 in)	28 of 100 (Routine)
Wollongong Post Office	Australia	Record daily precipitation	58.4 mm (2.3 in)	27 of 100 (Routine)
Prospect Reservoir	Australia	Record daily precipitation	34.3 mm (1.4 in)	23 of 100 (Routine)
Bondi	Australia	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Brandon Cda	Canada	Record daily snowfall	5.1 cm (2.0 in)	21 of 100 (Routine)
Crookston NW Exp STN	United States	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Bringelly (Maryland)	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Campbelltown 1	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Brandon Cda	Canada	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Arrowie	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Saint John	Canada	Record daily snowfall	7.1 cm (2.8 in)	20 of 100 (Routine)
The Rock (Bullenbong)	Australia	Record daily precipitation	12.2 mm (0.5 in)	18 of 100 (Routine)
Mount Elliot Tank	Australia	Record daily precipitation	7.6 mm (0.30 in)	17 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low maximum temperature	17.2 C (63.0 F)	16 of 100 (Routine)
Helensburgh (Sawan St)	Australia	Record daily precipitation	51.8 mm (2.0 in)	16 of 100 (Routine)
Moruya Heads Pilot Station	Australia	Record daily precipitation	19.3 mm (0.8 in)	16 of 100 (Routine)
Gosford (Gertrude Place)	Australia	Record daily precipitation	38.1 mm (1.5 in)	15 of 100 (Routine)
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	29.5 mm (1.2 in)	15 of 100 (Routine)
Emu Plains	Australia	Record daily precipitation	10.9 mm (0.4 in)	15 of 100 (Routine)
Menangle Jmai	Australia	Record daily precipitation	20.1 mm (0.8 in)	15 of 100 (Routine)
Minto Surrey Street	Australia	Record daily precipitation	27.9 mm (1.1 in)	15 of 100 (Routine)
Charlottetown	Canada	Record daily precipitation	20.6 mm (0.8 in)	15 of 100 (Routine)
Northfield	United States	Record daily snowfall	6.4 cm (2.5 in)	15 of 100 (Routine)
Walgett Council Depot	Australia	Record low maximum temperature	23.3 C (73.9 F)	14 of 100 (Routine)
Eurongilly (Bundaleer)	Australia	Record daily precipitation	1.3 mm (0.05 in)	14 of 100 (Routine)
Bad Muskau	Germany	Record snow depth	2.0 cm (0.8 in)	14 of 100 (Routine)
Zametchino	Russia	Record low minimum temperature	-25.0 C (-13.0 F)	14 of 100 (Routine)
Columbia Wb City	United States	Record high minimum temperature	5.0 C (41.0 F)	14 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record daily precipitation	18.3 mm (0.7 in)	13 of 100 (Routine)
Cobar Post Office	Australia	Record low maximum temperature	18.9 C (66.0 F)	13 of 100 (Routine)
Big Springs	Australia	Record daily precipitation	1.8 mm (0.07 in)	13 of 100 (Routine)
Pitt Town (the Manse)	Australia	Record daily precipitation	27.9 mm (1.1 in)	12 of 100 (Routine)
Bukalong Station	Australia	Record daily precipitation	20.3 mm (0.8 in)	12 of 100 (Routine)
Wombat (Tumbleton)	Australia	Record daily precipitation	5.8 mm (0.23 in)	12 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	-0.6 C (30.9 F)	11 of 100 (Routine)
Charleville Post Office	Australia	Record low minimum temperature	12.8 C (55.0 F)	10 of 100 (Routine)
Belltrees 1	Australia	Record daily precipitation	22.9 mm (0.9 in)	10 of 100 (Routine)
Pine Lodge 1	Australia	Record daily precipitation	7.6 mm (0.30 in)	10 of 100 (Routine)
Port Arthur	Canada	Record daily precipitation	6.1 mm (0.24 in)	10 of 100 (Routine)
Pesaro	Italy	Record daily precipitation	15.3 mm (0.6 in)	10 of 100 (Routine)
Mackay Post Office	Australia	Record low minimum temperature	15.8 C (60.4 F)	9 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high minimum temperature	14.0 C (57.2 F)	8 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	-7.5 C (18.5 F)	8 of 100 (Routine)
Gundy (Miller St)	Australia	Record daily precipitation	17.3 mm (0.7 in)	7 of 100 (Routine)
Stroud Post Office	Australia	Record daily precipitation	29.7 mm (1.2 in)	7 of 100 (Routine)
Boulia Airport	Australia	Record low maximum temperature	31.1 C (88.0 F)	6 of 100 (Routine)
Alice Springs Post Office	Australia	Record low maximum temperature	27.8 C (82.0 F)	5 of 100 (Routine)
St Albans	Canada	Record daily precipitation	2.5 mm (0.10 in)	5 of 100 (Routine)
St Albans	Canada	Record daily snowfall	2.5 cm (1.0 in)	5 of 100 (Routine)
Springwood Bowling Club	Australia	Record daily precipitation	12.7 mm (0.5 in)	3 of 100 (Routine)
Chatham	Canada	Record daily snowfall	12.7 cm (5.0 in)	3 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	0.0 C (32.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

58 records

Records set or tied on 11 December 1920 by type: Lowest daily maximum 7, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 38, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 11 December 1920 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	7
Highest daily minimum	4
Lowest daily minimum	3
Heaviest daily rainfall	38
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 11 December 1920 by timescale: all-time 0, monthly 0, daily 58.

How Much Records Were Beaten By

55 broken records

Margins by which the 55 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.8. Ties are not counted.

Top 20 by Significance

11 December 1920

Top 20 records on 11 December 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 December 1920	Jamberoo (Lorna), AU	daily rain	90.9 mm (3.6 in)	69.8 mm (2.7 in)	30 years	52 of 100 (Notable)
11 December 1920	Burwood 1, AU	daily rain	85.1 mm (3.4 in)	66.6 mm (2.6 in)	25 years	50 of 100 (Notable)
11 December 1920	Milton Post Office, AU	daily rain	63.5 mm (2.5 in)	47.8 mm (1.9 in)	37 years	43 of 100 (Notable)
11 December 1920	Brogers Creek Upper (Cookville, AU	daily rain	105.4 mm (4.1 in)	65.8 mm (2.6 in)	27 years	35 of 100 (Notable)
11 December 1920	Sydney (Observatory Hill), AU	daily low max	15.9 C (60.6 F)	2.7 C (4.9 F)	58 years	30 of 100 (Routine)
11 December 1920	Berry Masonic Village, AU	daily rain	59.7 mm (2.4 in)	49.8 mm (2.0 in)	17 years	29 of 100 (Routine)
11 December 1920	Sydney (Observatory Hill), AU	daily rain	29.5 mm (1.2 in)	12.0 mm (0.5 in)	37 years	28 of 100 (Routine)
11 December 1920	Wollongong Post Office, AU	daily rain	58.4 mm (2.3 in)	23.1 mm (0.9 in)	37 years	27 of 100 (Routine)
11 December 1920	Prospect Reservoir, AU	daily rain	34.3 mm (1.4 in)	15.8 mm (0.6 in)	30 years	23 of 100 (Routine)
11 December 1920	Bondi, AU	daily rain	30.5 mm (1.2 in)	14.2 mm (0.6 in)	24 years	21 of 100 (Routine)
11 December 1920	Brandon Cda, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	29 years	21 of 100 (Routine)
11 December 1920	Crookston NW Exp STN, US	daily rain	12.7 mm (0.5 in)	7.6 mm (0.30 in)	26 years	20 of 100 (Routine)
11 December 1920	Bringelly (Maryland), AU	daily rain	22.9 mm (0.9 in)	6.4 mm (0.25 in)	37 years	20 of 100 (Routine)
11 December 1920	Campbelltown 1, AU	daily rain	18.8 mm (0.7 in)	12.4 mm (0.5 in)	10 years	20 of 100 (Routine)
11 December 1920	Brandon Cda, CA	daily rain	5.1 mm (0.20 in)	5.1 mm (0.20 in)	29 years	20 of 100 (Routine)
11 December 1920	Arrowie, AU	daily rain	17.3 mm (0.7 in)	15.5 mm (0.6 in)	28 years	20 of 100 (Routine)
11 December 1920	Saint John, CA	daily snowfall	7.1 cm (2.8 in)	1.8 cm (0.7 in)	42 years	20 of 100 (Routine)
11 December 1920	The Rock (Bullenbong), AU	daily rain	12.2 mm (0.5 in)	8.4 mm (0.33 in)	25 years	18 of 100 (Routine)
11 December 1920	Mount Elliot Tank, AU	daily rain	7.6 mm (0.30 in)	5.6 mm (0.22 in)	28 years	17 of 100 (Routine)
11 December 1920	Forbes (Camp Street), AU	daily low max	17.2 C (63.0 F)	5.0 C (9.0 F)	8 years	16 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

1796 to 1920

Records set or tied on this calendar date in each year from 1796 to 1920. 1920 had 58 records.

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

Records on 12-11 in each year
Year	Records
1796	2
1808	2
1815	2
1825	2
1841	1
1852	1
1855	2
1862	1
1868	1
1869	3
1871	4
1872	1
1876	2
1877	1
1878	2
1879	4
1880	2
1882	3
1886	1
1887	1
1889	1
1891	3
1892	2
1893	3
1894	1
1895	4
1897	2
1898	14
1899	5
1900	4
1901	5
1902	6
1903	2
1904	28
1905	15
1906	12
1907	30
1908	18
1909	7
1910	31
1911	49
1912	36
1913	8
1914	13
1915	93
1916	55
1917	103
1918	32
1919	40
1920	58
1921	49
1922	143
1923	88
1924	84
1925	81
1926	77
1927	232
1928	111
1929	345
1930	72
1931	762
1932	696
1933	260
1934	480
1935	290
1936	357
1937	839
1938	231
1939	626
1940	302
1941	353
1942	263
1943	196
1944	407
1945	234
1946	717
1947	342
1948	153
1949	1,201
1950	463
1951	261
1952	923
1953	157
1954	492
1955	312
1956	300
1957	517
1958	985
1959	322
1960	746
1961	1,300
1962	723
1963	604
1964	542
1965	1,216
1966	525
1967	945
1968	543
1969	587
1970	617
1971	900
1972	1,514
1973	334
1974	313
1975	454
1976	380
1977	1,182
1978	678
1979	847
1980	522
1981	949
1982	657
1983	971
1984	1,013
1985	1,471
1986	561
1987	639
1988	850
1989	584
1990	747
1991	1,102
1992	1,357
1993	749
1994	1,243
1995	1,837
1996	1,307
1997	1,203
1998	1,012
1999	769
2000	1,584
2001	626
2002	1,139
2003	646
2004	1,166
2005	816
2006	858
2007	1,613
2008	1,312
2009	1,091
2010	1,284
2011	416
2012	618
2013	737
2014	893
2015	1,183
2016	489
2017	670
2018	353
2019	442
2020	517
2021	1,175
2022	679
2023	814
2024	539
2025	1,691

Download the Data

Data for records on 1920-12-11: 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 10	37
10 to 20	8
20 to 30	4
30 to 40	0
40 to 50	2
50 to 60	1
60 to 70	3