Weather Records on 31 December 1921

130 weather records were set or tied worldwide on 31 December 1921. Highest significance: Rockhampton Post Office, AU.

Key Facts for 31 December 1921

On 31 December 1921, 130 weather records were set or tied at long-record stations worldwide.
3 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 2 monthly and 127 daily.
Rockhampton Post Office set a daily record precipitation of 128.8 mm (5.1 in) on 31 December 1921.
Across 157 earlier years (1797 to 2025) the same calendar date averaged 489 records.

Record Map

130 stations

130 station records on 31 December 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 December 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rockhampton Post Office	Australia	Record daily precipitation	128.8 mm (5.1 in)	52 of 100 (Notable)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	102.1 mm (4.0 in)	51 of 100 (Notable)
St Lawrence Post Office	Australia	Record daily precipitation	98.3 mm (3.9 in)	50 of 100 (Notable)
Bowraville Recreation Club	Australia	Record daily precipitation	77.5 mm (3.1 in)	48 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record daily precipitation	25.2 mm (1.0 in)	48 of 100 (Notable)
Marlborough Post Office	Australia	Record daily precipitation	133.4 mm (5.3 in)	47 of 100 (Notable)
Gladstone Post Office	Australia	Record daily precipitation	137.2 mm (5.4 in)	47 of 100 (Notable)
Gosford (Gertrude Place)	Australia	Record daily precipitation	78.0 mm (3.1 in)	44 of 100 (Notable)
Emu Park Hill St	Australia	Record daily precipitation	369.6 mm (14.6 in)	43 of 100 (Notable)
Chinchilla Water Treatment Pla	Australia	Record daily precipitation	54.9 mm (2.2 in)	40 of 100 (Notable)
Mount Tenandra	Australia	Record daily precipitation	62.2 mm (2.4 in)	40 of 100 (Notable)
Guyra Post Office	Australia	Record daily precipitation	54.9 mm (2.2 in)	40 of 100 (Notable)
Armidale (Radio Station 2Ad)	Australia	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Wauchope (Avondale Street)	Australia	Record daily precipitation	76.5 mm (3.0 in)	39 of 100 (Notable)
Wingham (Lanark Close)	Australia	Record daily precipitation	59.7 mm (2.4 in)	38 of 100 (Notable)
Wollong	Australia	Record daily precipitation	61.5 mm (2.4 in)	35 of 100 (Notable)
Pacific Heights	Australia	Record daily precipitation	257.8 mm (10.1 in)	34 of 100 (Routine)
Harrington (Oxley Anchorage Ca	Australia	Record daily precipitation	56.1 mm (2.2 in)	34 of 100 (Routine)
Branxton (Dalwood Vineyard)	Australia	Record daily precipitation	47.5 mm (1.9 in)	32 of 100 (Routine)
Maitland West	Australia	Record daily precipitation	49.5 mm (1.9 in)	32 of 100 (Routine)
Morpeth Post Office	Australia	Record daily precipitation	52.1 mm (2.1 in)	32 of 100 (Routine)
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	74.2 mm (2.9 in)	30 of 100 (Routine)
Croydon Township	Australia	Record daily precipitation	80.5 mm (3.2 in)	29 of 100 (Routine)
Jimbour State School	Australia	Record daily precipitation	63.5 mm (2.5 in)	29 of 100 (Routine)
Warra Post Office	Australia	Record daily precipitation	72.1 mm (2.8 in)	29 of 100 (Routine)
Bannockburn	Australia	Record daily precipitation	42.4 mm (1.7 in)	28 of 100 (Routine)
Rollands Plains	Australia	Record daily precipitation	54.9 mm (2.2 in)	28 of 100 (Routine)
Escanaba	United States	Record daily precipitation	26.4 mm (1.0 in)	28 of 100 (Routine)
Nelson Bay (Nelson Head)	Australia	Record daily precipitation	58.7 mm (2.3 in)	26 of 100 (Routine)
Stroud Post Office	Australia	Record daily precipitation	61.0 mm (2.4 in)	26 of 100 (Routine)
Boggabri (Ghoolendaadi)	Australia	Record daily precipitation	29.0 mm (1.1 in)	25 of 100 (Routine)
Helensburgh (Sawan St)	Australia	Record daily precipitation	97.0 mm (3.8 in)	25 of 100 (Routine)
Goulburn (Kippilaw)	Australia	Record daily precipitation	33.0 mm (1.3 in)	25 of 100 (Routine)
Bellbrook (East Street)	Australia	Record daily precipitation	47.5 mm (1.9 in)	24 of 100 (Routine)
Willow Tree (Valais)	Australia	Record daily precipitation	33.0 mm (1.3 in)	22 of 100 (Routine)
Gloucester Post Office	Australia	Record daily precipitation	44.5 mm (1.8 in)	22 of 100 (Routine)
Alton	Canada	Record daily snowfall	15.2 cm (6.0 in)	22 of 100 (Routine)
Dalby Post Office	Australia	Record daily precipitation	42.7 mm (1.7 in)	21 of 100 (Routine)
Bundarra Post Office	Australia	Record daily precipitation	34.8 mm (1.4 in)	21 of 100 (Routine)
Taree (Radio Station 2Re)	Australia	Record daily precipitation	53.8 mm (2.1 in)	21 of 100 (Routine)
Stockholm	Sweden	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Den Helder-1	Netherlands	Record daily precipitation	9.5 mm (0.37 in)	20 of 100 (Routine)
Bad Muskau	Germany	Record daily precipitation	23.2 mm (0.9 in)	20 of 100 (Routine)
Temora Ambulance Station	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Teterow	Germany	Record daily precipitation	10.0 mm (0.4 in)	20 of 100 (Routine)
Goorianawah	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Collaroy Station	Australia	Record daily precipitation	44.7 mm (1.8 in)	20 of 100 (Routine)
Barraba Post Office	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Moorland (Denro-An)	Australia	Record daily precipitation	58.4 mm (2.3 in)	20 of 100 (Routine)
Ulamambri Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Camden Bowling Club	Australia	Record daily precipitation	36.8 mm (1.4 in)	20 of 100 (Routine)
Quebec	Canada	Record daily snowfall	12.2 cm (4.8 in)	20 of 100 (Routine)
Landsort	Sweden	Record daily precipitation	8.5 mm (0.33 in)	20 of 100 (Routine)
Cobar (Meryula)	Australia	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Gragin	Australia	Record daily precipitation	28.7 mm (1.1 in)	19 of 100 (Routine)
Alton	Canada	Record daily precipitation	15.2 mm (0.6 in)	19 of 100 (Routine)
Tahlee (Carrington (Church St)	Australia	Record daily precipitation	66.0 mm (2.6 in)	18 of 100 (Routine)
Prospect Reservoir	Australia	Record daily precipitation	33.5 mm (1.3 in)	18 of 100 (Routine)
Menangle Jmai	Australia	Record daily precipitation	27.7 mm (1.1 in)	18 of 100 (Routine)
Tottenham (Woodlands 1)	Australia	Record daily precipitation	21.8 mm (0.9 in)	17 of 100 (Routine)

Counts by Type and Timescale

130 records

Records set or tied on 31 December 1921 by type: Highest daily maximum 2, Lowest daily maximum 5, Highest daily minimum 1, Heaviest daily rainfall 117, Heaviest daily snowfall 5.

Records on 31 December 1921 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	5
Highest daily minimum	1
Lowest daily minimum	0
Heaviest daily rainfall	117
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 31 December 1921 by timescale: all-time 1, monthly 2, daily 127.

How Much Records Were Beaten By

122 broken records

Margins by which the 122 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 110.5. Ties are not counted.

Top 20 by Significance

31 December 1921

Top 20 records on 31 December 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 1921	Rockhampton Post Office, AU	daily rain	128.8 mm (5.1 in)	110.5 mm (4.4 in)	25 years	52 of 100 (Notable)
31 December 1921	Port Macquarie (Bellevue Garde, AU	daily rain	102.1 mm (4.0 in)	84.8 mm (3.3 in)	28 years	51 of 100 (Notable)
31 December 1921	St Lawrence Post Office, AU	daily rain	98.3 mm (3.9 in)	79.2 mm (3.1 in)	25 years	50 of 100 (Notable)
31 December 1921	Bowraville Recreation Club, AU	daily rain	77.5 mm (3.1 in)	56.4 mm (2.2 in)	28 years	48 of 100 (Notable)
31 December 1921	Hamburg Fuhlsbuettel, DE	daily rain	25.2 mm (1.0 in)	15.4 mm (0.6 in)	26 years	48 of 100 (Notable)
31 December 1921	Marlborough Post Office, AU	daily rain	133.4 mm (5.3 in)	101.6 mm (4.0 in)	8 years	47 of 100 (Notable)
31 December 1921	Gladstone Post Office, AU	daily rain	137.2 mm (5.4 in)	99.1 mm (3.9 in)	7 years	47 of 100 (Notable)
31 December 1921	Gosford (Gertrude Place), AU	daily rain	78.0 mm (3.1 in)	62.8 mm (2.5 in)	22 years	44 of 100 (Notable)
31 December 1921	Emu Park Hill St, AU	all-time rain	369.6 mm (14.6 in)	45.7 mm (1.8 in)	8 years	43 of 100 (Notable)
31 December 1921	Chinchilla Water Treatment Pla, AU	daily rain	54.9 mm (2.2 in)	45.5 mm (1.8 in)	22 years	40 of 100 (Notable)
31 December 1921	Mount Tenandra, AU	daily rain	62.2 mm (2.4 in)	54.1 mm (2.1 in)	8 years	40 of 100 (Notable)
31 December 1921	Guyra Post Office, AU	daily rain	54.9 mm (2.2 in)	40.9 mm (1.6 in)	7 years	40 of 100 (Notable)
31 December 1921	Armidale (Radio Station 2Ad), AU	daily rain	59.7 mm (2.4 in)	30.2 mm (1.2 in)	28 years	39 of 100 (Notable)
31 December 1921	Wauchope (Avondale Street), AU	daily rain	76.5 mm (3.0 in)	50.1 mm (2.0 in)	28 years	39 of 100 (Notable)
31 December 1921	Wingham (Lanark Close), AU	daily rain	59.7 mm (2.4 in)	48.0 mm (1.9 in)	26 years	38 of 100 (Notable)
31 December 1921	Wollong, AU	daily rain	61.5 mm (2.4 in)	35.8 mm (1.4 in)	28 years	35 of 100 (Notable)
31 December 1921	Pacific Heights, AU	monthly rain	257.8 mm (10.1 in)	64.8 mm (2.6 in)	12 years	34 of 100 (Routine)
31 December 1921	Harrington (Oxley Anchorage Ca, AU	daily rain	56.1 mm (2.2 in)	39.1 mm (1.5 in)	28 years	34 of 100 (Routine)
31 December 1921	Branxton (Dalwood Vineyard), AU	daily rain	47.5 mm (1.9 in)	33.8 mm (1.3 in)	7 years	32 of 100 (Routine)
31 December 1921	Maitland West, AU	daily rain	49.5 mm (1.9 in)	29.9 mm (1.2 in)	28 years	32 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

1797 to 1921

Records set or tied on this calendar date in each year from 1797 to 1921. 1921 had 130 records.

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

Records on 12-31 in each year
Year	Records
1797	1
1799	2
1826	1
1836	1
1842	2
1850	3
1853	1
1854	1
1859	1
1860	1
1867	1
1870	2
1872	2
1874	4
1875	2
1876	2
1878	2
1879	2
1880	2
1882	1
1884	2
1885	1
1886	3
1887	1
1888	2
1890	2
1891	8
1892	4
1895	4
1897	6
1898	5
1899	4
1900	3
1901	16
1902	3
1903	3
1904	11
1905	9
1906	31
1907	11
1908	7
1909	5
1910	25
1911	14
1912	17
1913	46
1914	34
1915	32
1916	25
1917	239
1918	24
1919	38
1920	64
1921	130
1922	83
1923	280
1924	113
1925	183
1926	77
1927	491
1928	53
1929	224
1930	58
1931	543
1932	394
1933	409
1934	181
1935	309
1936	567
1937	500
1938	247
1939	298
1940	467
1941	159
1942	352
1943	159
1944	259
1945	210
1946	707
1947	461
1948	591
1949	384
1950	310
1951	1,421
1952	377
1953	410
1954	286
1955	429
1956	216
1957	724
1958	584
1959	414
1960	389
1961	309
1962	810
1963	1,015
1964	388
1965	1,371
1966	326
1967	1,023
1968	1,371
1969	825
1970	579
1971	568
1972	836
1973	1,370
1974	590
1975	791
1976	1,306
1977	641
1978	2,791
1979	448
1980	1,448
1981	786
1982	639
1983	2,220
1984	942
1985	593
1986	616
1987	845
1988	600
1989	506
1990	1,379
1991	703
1992	1,062
1993	718
1994	878
1995	1,151
1996	2,202
1997	988
1998	739
1999	524
2000	1,575
2001	748
2002	1,232
2003	523
2004	1,278
2005	959
2006	2,089
2007	652
2008	656
2009	867
2010	1,544
2011	739
2012	803
2013	606
2014	903
2015	748
2016	678
2017	1,589
2018	620
2019	593
2020	489
2021	1,739
2022	1,497
2023	474
2024	460
2025	760

Download the Data

Data for records on 1921-12-31: 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	83
20 to 40	21
40 to 60	10
60 to 80	4
80 to 100	2
100 to 120	2