Weather Records on 30 December 1921

111 weather records were set or tied worldwide on 30 December 1921. Highest significance: Gladstone Post Office, AU.

Key Facts for 30 December 1921

On 30 December 1921, 111 weather records were set or tied at long-record stations worldwide.
4 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 4 monthly and 106 daily.
Gladstone Post Office set a monthly record daily precipitation of 260.4 mm (10.3 in) on 30 December 1921.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 498 records.

Record Map

111 stations

111 station records on 30 December 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gladstone Post Office	Australia	Record daily precipitation	260.4 mm (10.3 in)	63 of 100 (Major)
Inskip Point Lighthouse	Australia	Record daily precipitation	203.7 mm (8.0 in)	57 of 100 (Notable)
Marlborough Post Office	Australia	Record daily precipitation	158.0 mm (6.2 in)	52 of 100 (Notable)
Rockhampton Post Office	Australia	Record daily precipitation	135.9 mm (5.4 in)	52 of 100 (Notable)
Langmorn	Australia	Record daily precipitation	108.7 mm (4.3 in)	50 of 100 (Notable)
Emu Park Hill St	Australia	Record daily precipitation	169.4 mm (6.7 in)	48 of 100 (Notable)
Kilkivan Post Office	Australia	Record daily precipitation	86.4 mm (3.4 in)	45 of 100 (Notable)
Bustard Head Lighthouse	Australia	Record daily precipitation	260.1 mm (10.2 in)	38 of 100 (Notable)
Springsure Comet St	Australia	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Double Island Point Lighthouse	Australia	Record daily precipitation	211.8 mm (8.3 in)	35 of 100 (Notable)
Duaringa Post Office	Australia	Record daily precipitation	71.6 mm (2.8 in)	34 of 100 (Routine)
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	56.9 mm (2.2 in)	32 of 100 (Routine)
Blackville (Krui Vale)	Australia	Record daily precipitation	44.2 mm (1.7 in)	31 of 100 (Routine)
Sfax El-Maou	Tunisia	Record daily precipitation	39.0 mm (1.5 in)	29 of 100 (Routine)
Gigoomgan	Australia	Record daily precipitation	68.6 mm (2.7 in)	28 of 100 (Routine)
St Lawrence Post Office	Australia	Record daily precipitation	94.5 mm (3.7 in)	27 of 100 (Routine)
Banana Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	25 of 100 (Routine)
Gympie	Australia	Record daily precipitation	66.3 mm (2.6 in)	25 of 100 (Routine)
Burdekin Shire Council	Australia	Record daily precipitation	61.0 mm (2.4 in)	22 of 100 (Routine)
Garah (Welbon)	Australia	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Blackville (Welton Dale)	Australia	Record daily precipitation	27.2 mm (1.1 in)	21 of 100 (Routine)
Wrixum/Fohr	Germany	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Vestervig	Denmark	Record daily precipitation	22.3 mm (0.9 in)	20 of 100 (Routine)
Schwerin	Germany	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Kirchdorf/Poel	Germany	Record daily precipitation	13.4 mm (0.5 in)	20 of 100 (Routine)
Goldberg	Germany	Record daily precipitation	15.1 mm (0.6 in)	20 of 100 (Routine)
Merriwa (Merry Vale)	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Bjuraker	Sweden	Record daily precipitation	18.2 mm (0.7 in)	20 of 100 (Routine)
Melrose Plains	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Hoorn	Netherlands	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Putten (Gld)	Netherlands	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Sarna	Sweden	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Sandy Cape Lighthouse	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Durdidwarrah	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Pacific Heights	Australia	Record daily precipitation	121.9 mm (4.8 in)	19 of 100 (Routine)
Groningen-1	Netherlands	Record daily precipitation	12.3 mm (0.5 in)	19 of 100 (Routine)
Elaine (Larundel)	Australia	Record daily precipitation	14.5 mm (0.6 in)	18 of 100 (Routine)
Pointe Riche	Canada	Record daily snowfall	10.2 cm (4.0 in)	18 of 100 (Routine)
Eidsvold Post Office	Australia	Record daily precipitation	47.2 mm (1.9 in)	17 of 100 (Routine)
Brisbane Regional Office	Australia	Record low maximum temperature	22.4 C (72.3 F)	17 of 100 (Routine)
Barnawartha	Australia	Record daily precipitation	9.9 mm (0.39 in)	17 of 100 (Routine)
Gembrook	Australia	Record daily precipitation	6.9 mm (0.27 in)	17 of 100 (Routine)
Ballan	Australia	Record daily precipitation	19.8 mm (0.8 in)	17 of 100 (Routine)
Tunis	Tunisia	Record high minimum temperature	12.0 C (53.6 F)	17 of 100 (Routine)
Fernleigh (St.Helena)	Australia	Record daily precipitation	24.1 mm (0.9 in)	16 of 100 (Routine)
Springfield 3	Australia	Record daily precipitation	4.8 mm (0.19 in)	16 of 100 (Routine)
Madowla Park	Australia	Record daily precipitation	2.5 mm (0.10 in)	16 of 100 (Routine)
Esk Post Office	Australia	Record daily precipitation	38.6 mm (1.5 in)	15 of 100 (Routine)
Maryborough	Australia	Record daily precipitation	134.6 mm (5.3 in)	15 of 100 (Routine)
Dinby	Australia	Record daily precipitation	29.7 mm (1.2 in)	15 of 100 (Routine)
Moorland (Denro-An)	Australia	Record daily precipitation	48.3 mm (1.9 in)	15 of 100 (Routine)
St Germains	Australia	Record daily precipitation	3.6 mm (0.14 in)	15 of 100 (Routine)
Ringwood 2	Australia	Record daily precipitation	10.7 mm (0.4 in)	15 of 100 (Routine)
Muenster	Germany	Record daily precipitation	18.8 mm (0.7 in)	15 of 100 (Routine)
Scone (Philip Street)	Australia	Record daily precipitation	21.6 mm (0.9 in)	14 of 100 (Routine)
Deniliquin Norwood	Australia	Record daily precipitation	3.0 mm (0.12 in)	14 of 100 (Routine)
Tungamah	Australia	Record daily precipitation	4.3 mm (0.17 in)	14 of 100 (Routine)
Rutherglen Netherby Wine	Australia	Record daily precipitation	6.9 mm (0.27 in)	14 of 100 (Routine)
Halifax	Canada	Record daily snowfall	20.8 cm (8.2 in)	14 of 100 (Routine)

Counts by Type and Timescale

111 records

Records set or tied on 30 December 1921 by type: Highest daily maximum 2, Lowest daily maximum 3, Highest daily minimum 2, Heaviest daily rainfall 99, Heaviest daily snowfall 5.

Records on 30 December 1921 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	3
Highest daily minimum	2
Lowest daily minimum	0
Heaviest daily rainfall	99
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 30 December 1921 by timescale: all-time 1, monthly 4, daily 106.

How Much Records Were Beaten By

102 broken records

Margins by which the 102 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 132.3. Ties are not counted.

Top 20 by Significance

30 December 1921

Top 20 records on 30 December 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 1921	Gladstone Post Office, AU	monthly rain	260.4 mm (10.3 in)	123.7 mm (4.9 in)	27 years	63 of 100 (Major)
30 December 1921	Inskip Point Lighthouse, AU	monthly rain	203.7 mm (8.0 in)	64.0 mm (2.5 in)	29 years	57 of 100 (Notable)
30 December 1921	Marlborough Post Office, AU	daily rain	158.0 mm (6.2 in)	132.3 mm (5.2 in)	23 years	52 of 100 (Notable)
30 December 1921	Rockhampton Post Office, AU	daily rain	135.9 mm (5.4 in)	86.6 mm (3.4 in)	23 years	52 of 100 (Notable)
30 December 1921	Langmorn, AU	daily rain	108.7 mm (4.3 in)	84.6 mm (3.3 in)	23 years	50 of 100 (Notable)
30 December 1921	Emu Park Hill St, AU	daily rain	169.4 mm (6.7 in)	95.7 mm (3.8 in)	23 years	48 of 100 (Notable)
30 December 1921	Kilkivan Post Office, AU	daily rain	86.4 mm (3.4 in)	55.4 mm (2.2 in)	26 years	45 of 100 (Notable)
30 December 1921	Bustard Head Lighthouse, AU	monthly rain	260.1 mm (10.2 in)	51.8 mm (2.0 in)	4 years	38 of 100 (Notable)
30 December 1921	Springsure Comet St, AU	daily rain	40.6 mm (1.6 in)	30.9 mm (1.2 in)	23 years	36 of 100 (Notable)
30 December 1921	Double Island Point Lighthouse, AU	all-time rain	211.8 mm (8.3 in)	20.3 mm (0.8 in)	0 years	35 of 100 (Notable)
30 December 1921	Duaringa Post Office, AU	daily rain	71.6 mm (2.8 in)	43.7 mm (1.7 in)	28 years	34 of 100 (Routine)
30 December 1921	Wyong (Wyong Golf Club), AU	daily rain	56.9 mm (2.2 in)	39.6 mm (1.6 in)	27 years	32 of 100 (Routine)
30 December 1921	Blackville (Krui Vale), AU	daily rain	44.2 mm (1.7 in)	31.0 mm (1.2 in)	30 years	31 of 100 (Routine)
30 December 1921	Sfax El-Maou, TN	daily rain	39.0 mm (1.5 in)	30.0 mm (1.2 in)	16 years	29 of 100 (Routine)
30 December 1921	Gigoomgan, AU	daily rain	68.6 mm (2.7 in)	26.2 mm (1.0 in)	25 years	28 of 100 (Routine)
30 December 1921	St Lawrence Post Office, AU	daily rain	94.5 mm (3.7 in)	31.5 mm (1.2 in)	23 years	27 of 100 (Routine)
30 December 1921	Banana Post Office, AU	daily rain	34.3 mm (1.4 in)	20.3 mm (0.8 in)	30 years	25 of 100 (Routine)
30 December 1921	Gympie, AU	daily rain	66.3 mm (2.6 in)	35.3 mm (1.4 in)	12 years	25 of 100 (Routine)
30 December 1921	Burdekin Shire Council, AU	daily rain	61.0 mm (2.4 in)	17.8 mm (0.7 in)	31 years	22 of 100 (Routine)
30 December 1921	Garah (Welbon), AU	daily rain	25.4 mm (1.0 in)	20.3 mm (0.8 in)	7 years	21 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

1799 to 1921

Records set or tied on this calendar date in each year from 1799 to 1921. 1921 had 111 records.

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

Records on 12-30 in each year
Year	Records
1799	2
1835	1
1850	1
1853	1
1856	1
1859	1
1863	1
1868	1
1870	4
1872	3
1874	2
1875	2
1876	3
1878	1
1880	5
1881	3
1882	3
1884	2
1888	2
1889	2
1890	7
1891	1
1892	1
1893	3
1895	6
1896	3
1897	7
1898	6
1899	3
1900	5
1901	8
1902	2
1903	8
1904	12
1905	10
1906	11
1907	26
1908	17
1909	13
1910	18
1911	20
1912	37
1913	32
1914	47
1915	62
1916	45
1917	217
1918	25
1919	82
1920	84
1921	111
1922	227
1923	223
1924	65
1925	184
1926	63
1927	290
1928	31
1929	382
1930	71
1931	509
1932	407
1933	279
1934	206
1935	202
1936	931
1937	234
1938	208
1939	237
1940	397
1941	149
1942	584
1943	165
1944	137
1945	251
1946	584
1947	317
1948	760
1949	206
1950	479
1951	955
1952	334
1953	399
1954	538
1955	254
1956	556
1957	443
1958	525
1959	216
1960	345
1961	389
1962	671
1963	567
1964	537
1965	1,122
1966	403
1967	760
1968	1,391
1969	817
1970	571
1971	1,122
1972	1,052
1973	1,262
1974	564
1975	703
1976	981
1977	795
1978	1,930
1979	427
1980	1,560
1981	684
1982	630
1983	2,765
1984	1,834
1985	568
1986	852
1987	1,270
1988	755
1989	528
1990	3,065
1991	525
1992	1,210
1993	865
1994	642
1995	1,455
1996	1,620
1997	1,384
1998	801
1999	838
2000	1,377
2001	651
2002	1,034
2003	661
2004	974
2005	928
2006	1,779
2007	748
2008	653
2009	933
2010	1,200
2011	782
2012	676
2013	642
2014	660
2015	820
2016	706
2017	1,324
2018	284
2019	1,131
2020	604
2021	1,455
2022	909
2023	726
2024	638
2025	325

Download the Data

Data for records on 1921-12-30: 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	79
20 to 40	12
40 to 60	5
60 to 80	1
80 to 100	3
100 to 120	0
120 to 140	2