Weather Records on 17 December 1920

97 weather records were set or tied worldwide on 17 December 1920. Highest significance: Dromana, AU.

Key Facts for 17 December 1920

On 17 December 1920, 97 weather records were set or tied at long-record stations worldwide.
4 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 97 daily.
Dromana set a daily record precipitation of 38.1 mm (1.5 in) on 17 December 1920.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 465 records.

Record Map

97 stations

97 station records on 17 December 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 December 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dromana	Australia	Record daily precipitation	38.1 mm (1.5 in)	55 of 100 (Notable)
Maffra Shire Hall	Australia	Record daily precipitation	31.2 mm (1.2 in)	44 of 100 (Notable)
Clydebank	Australia	Record daily precipitation	32.8 mm (1.3 in)	39 of 100 (Notable)
Beaufort (Stoneleigh)	Australia	Record daily precipitation	31.5 mm (1.2 in)	38 of 100 (Notable)
Warragul	Australia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Emu Rail (Dalyenong)	Australia	Record daily precipitation	26.9 mm (1.1 in)	27 of 100 (Routine)
Lucknow	Canada	Record daily snowfall	17.8 cm (7.0 in)	25 of 100 (Routine)
Bathurst Gaol	Australia	Record low maximum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	-9.9 C (14.2 F)	21 of 100 (Routine)
Clanwilliam (Pol)	South Africa	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Cape Schanck Lighthouse	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Mornington	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Grantville	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Hastings Post Office	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
San Remo	Australia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Halls Gap	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Sale	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Tulbagh (Pol)	South Africa	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Canoon	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Port Albert	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Tomsk	Russia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Foster (Post Office)	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record low maximum temperature	11.0 C (51.8 F)	20 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low maximum temperature	21.7 C (71.1 F)	20 of 100 (Routine)
Bairnsdale 1	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Metcalfe	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Streatham (Pretty Tower)	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Bad Muskau	Germany	Record snow depth	8.0 cm (3.1 in)	20 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record low maximum temperature	20.0 C (68.0 F)	19 of 100 (Routine)
Hohenpeissenberg	Germany	Record low maximum temperature	-9.3 C (15.3 F)	19 of 100 (Routine)
Brisbane Regional Office	Australia	Record high maximum temperature	36.3 C (97.3 F)	18 of 100 (Routine)
Holbrook (Rsl)	Australia	Record daily precipitation	30.0 mm (1.2 in)	18 of 100 (Routine)
Donald Post Office	Australia	Record daily precipitation	20.3 mm (0.8 in)	18 of 100 (Routine)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	24.4 mm (1.0 in)	18 of 100 (Routine)
Yan Yean	Australia	Record daily precipitation	7.9 mm (0.31 in)	18 of 100 (Routine)
Myrniong	Australia	Record daily precipitation	15.2 mm (0.6 in)	18 of 100 (Routine)
Batlow Post Office	Australia	Record daily precipitation	31.5 mm (1.2 in)	17 of 100 (Routine)
Beechworth Composite	Australia	Record daily precipitation	16.8 mm (0.7 in)	17 of 100 (Routine)
Bruthen (Post Office)	Australia	Record daily precipitation	37.8 mm (1.5 in)	17 of 100 (Routine)
Warragul (Carbethon)	Australia	Record daily precipitation	32.5 mm (1.3 in)	17 of 100 (Routine)
Robertson	South Africa	Record daily precipitation	8.4 mm (0.33 in)	17 of 100 (Routine)
Wartook Post Office	Australia	Record daily precipitation	6.9 mm (0.27 in)	16 of 100 (Routine)
Cowes	Australia	Record daily precipitation	18.3 mm (0.7 in)	16 of 100 (Routine)
Fraserburg	South Africa	Record daily precipitation	12.7 mm (0.5 in)	16 of 100 (Routine)
Boort	Australia	Record daily precipitation	2.3 mm (0.09 in)	15 of 100 (Routine)
Geelong Sec	Australia	Record daily precipitation	12.2 mm (0.5 in)	15 of 100 (Routine)
Ocean Grove	Australia	Record daily precipitation	24.1 mm (0.9 in)	15 of 100 (Routine)
Freiburg	Germany	Record low minimum temperature	-10.2 C (13.6 F)	15 of 100 (Routine)
Montagu (Pol)	South Africa	Record daily precipitation	8.1 mm (0.32 in)	15 of 100 (Routine)
Gabo Island Lighthouse	Australia	Record daily precipitation	25.1 mm (1.0 in)	14 of 100 (Routine)
Freiburg	Germany	Record low maximum temperature	-6.0 C (21.2 F)	14 of 100 (Routine)
Riversdale	South Africa	Record daily precipitation	17.8 mm (0.7 in)	14 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	5.1 mm (0.20 in)	14 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record high minimum temperature	-1.5 C (29.3 F)	14 of 100 (Routine)
Tashkent	Uzbekistan	Record low minimum temperature	-19.3 C (-2.7 F)	14 of 100 (Routine)
Woods Point	Australia	Record daily precipitation	21.1 mm (0.8 in)	13 of 100 (Routine)
Toongabbie	Australia	Record daily precipitation	10.9 mm (0.4 in)	13 of 100 (Routine)
Alice Springs Post Office	Australia	Record low maximum temperature	28.1 C (82.6 F)	12 of 100 (Routine)

Counts by Type and Timescale

97 records

Records set or tied on 17 December 1920 by type: Highest daily maximum 2, Lowest daily maximum 13, Highest daily minimum 2, Lowest daily minimum 3, Heaviest daily rainfall 74, Heaviest daily snowfall 1, Deepest snow cover 2.

Records on 17 December 1920 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	13
Highest daily minimum	2
Lowest daily minimum	3
Heaviest daily rainfall	74
Heaviest daily snowfall	1
Deepest snow cover	2

Records on 17 December 1920 by timescale: all-time 0, monthly 0, daily 97.

How Much Records Were Beaten By

89 broken records

Margins by which the 89 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

17 December 1920

Top 20 records on 17 December 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 1920	Dromana, AU	daily rain	38.1 mm (1.5 in)	34.3 mm (1.4 in)	36 years	55 of 100 (Notable)
17 December 1920	Maffra Shire Hall, AU	daily rain	31.2 mm (1.2 in)	31.2 mm (1.2 in)	40 years	44 of 100 (Notable)
17 December 1920	Clydebank, AU	daily rain	32.8 mm (1.3 in)	27.7 mm (1.1 in)	35 years	39 of 100 (Notable)
17 December 1920	Beaufort (Stoneleigh), AU	daily rain	31.5 mm (1.2 in)	22.6 mm (0.9 in)	3 years	38 of 100 (Notable)
17 December 1920	Warragul, AU	daily rain	33.0 mm (1.3 in)	27.2 mm (1.1 in)	28 years	36 of 100 (Notable)
17 December 1920	Emu Rail (Dalyenong), AU	daily rain	26.9 mm (1.1 in)	15.5 mm (0.6 in)	18 years	27 of 100 (Routine)
17 December 1920	Lucknow, CA	daily snowfall	17.8 cm (7.0 in)	10.2 cm (4.0 in)	1 year	25 of 100 (Routine)
17 December 1920	Bathurst Gaol, AU	daily low max	16.7 C (62.1 F)	2.7 C (4.9 F)	35 years	21 of 100 (Routine)
17 December 1920	Tashkent, UZ	daily low max	-9.9 C (14.2 F)	6.7 C (12.1 F)	20 years	21 of 100 (Routine)
17 December 1920	Clanwilliam (Pol), ZA	daily rain	9.1 mm (0.36 in)	9.1 mm (0.36 in)	50 years	20 of 100 (Routine)
17 December 1920	Cape Schanck Lighthouse, AU	daily rain	19.8 mm (0.8 in)	15.7 mm (0.6 in)	39 years	20 of 100 (Routine)
17 December 1920	Mornington, AU	daily rain	22.9 mm (0.9 in)	11.2 mm (0.4 in)	51 years	20 of 100 (Routine)
17 December 1920	Grantville, AU	daily rain	24.6 mm (1.0 in)	16.7 mm (0.7 in)	24 years	20 of 100 (Routine)
17 December 1920	Hastings Post Office, AU	daily rain	24.1 mm (0.9 in)	12.7 mm (0.5 in)	32 years	20 of 100 (Routine)
17 December 1920	San Remo, AU	daily rain	17.5 mm (0.7 in)	13.2 mm (0.5 in)	28 years	20 of 100 (Routine)
17 December 1920	Halls Gap, AU	daily rain	22.9 mm (0.9 in)	12.7 mm (0.5 in)	32 years	20 of 100 (Routine)
17 December 1920	Sale, AU	daily rain	21.6 mm (0.9 in)	10.2 mm (0.4 in)	36 years	20 of 100 (Routine)
17 December 1920	Paarl (Tnk), ZA	daily rain	15.7 mm (0.6 in)	13.2 mm (0.5 in)	7 years	20 of 100 (Routine)
17 December 1920	Tulbagh (Pol), ZA	daily rain	14.2 mm (0.6 in)	14.2 mm (0.6 in)	40 years	20 of 100 (Routine)
17 December 1920	Stellenbosch (Tnk), ZA	daily rain	14.2 mm (0.6 in)	11.9 mm (0.5 in)	7 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 1920

Records set or tied on this calendar date in each year from 1793 to 1920. 1920 had 97 records.

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

Records on 12-17 in each year
Year	Records
1793	2
1796	1
1806	2
1808	2
1814	1
1815	1
1839	1
1845	1
1846	4
1847	1
1848	1
1859	3
1866	1
1867	1
1868	1
1869	2
1873	2
1876	3
1877	2
1878	1
1879	2
1881	2
1885	1
1886	1
1888	2
1889	2
1890	4
1892	4
1893	2
1894	4
1895	3
1896	4
1897	4
1898	2
1899	1
1900	6
1901	5
1902	47
1903	2
1904	14
1905	2
1906	17
1907	9
1908	13
1909	5
1910	37
1911	12
1912	15
1913	21
1914	17
1915	31
1916	21
1917	21
1918	21
1919	109
1920	97
1921	94
1922	120
1923	170
1924	505
1925	79
1926	172
1927	143
1928	359
1929	221
1930	362
1931	217
1932	684
1933	710
1934	200
1935	87
1936	504
1937	379
1938	118
1939	1,126
1940	248
1941	261
1942	507
1943	444
1944	189
1945	621
1946	207
1947	258
1948	316
1949	296
1950	294
1951	773
1952	277
1953	283
1954	409
1955	419
1956	448
1957	686
1958	540
1959	548
1960	492
1961	911
1962	676
1963	531
1964	1,239
1965	482
1966	516
1967	1,121
1968	338
1969	238
1970	820
1971	781
1972	601
1973	1,016
1974	390
1975	474
1976	507
1977	1,024
1978	710
1979	951
1980	1,116
1981	1,354
1982	569
1983	1,264
1984	1,618
1985	1,210
1986	743
1987	1,191
1988	481
1989	2,905
1990	866
1991	577
1992	1,461
1993	761
1994	685
1995	956
1996	1,212
1997	1,279
1998	695
1999	901
2000	1,566
2001	1,262
2002	858
2003	751
2004	554
2005	806
2006	1,307
2007	1,100
2008	1,354
2009	926
2010	1,405
2011	430
2012	942
2013	718
2014	370
2015	1,378
2016	1,521
2017	408
2018	498
2019	917
2020	768
2021	908
2022	595
2023	931
2024	560
2025	1,198

Download the Data

Data for records on 1920-12-17: 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	82
20 to 40	5
40 to 60	0
60 to 80	0
80 to 100	1
100 to 120	1