Weather Records on 21 December 2023

1,170 weather records were set or tied worldwide on 21 December 2023. Highest significance: Moogerah Dam, AU.

Key Facts for 21 December 2023

On 21 December 2023, 1,170 weather records were set or tied at long-record stations worldwide.
726 were record highs and 158 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 1,162 daily.
Moogerah Dam set a daily record precipitation of 95.5 mm (3.8 in) on 21 December 2023.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 485 records.

Record Map

1,170 stations

1,170 station records on 21 December 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moogerah Dam	Australia	Record daily precipitation	95.5 mm (3.8 in)	64 of 100 (Major)
Kenebri (Cumbil)	Australia	Record daily precipitation	108.0 mm (4.3 in)	60 of 100 (Major)
Aikawa	Japan	Record daily precipitation	47.0 mm (1.9 in)	60 of 100 (Major)
Wisemans Ferry (Old Po)	Australia	Record daily precipitation	40.6 mm (1.6 in)	55 of 100 (Notable)
Mt Playfair	Australia	Record daily precipitation	76.8 mm (3.0 in)	54 of 100 (Notable)
Mundubbera	Australia	Record daily precipitation	88.0 mm (3.5 in)	51 of 100 (Notable)
Pt Mugu Nf	United States	Record daily precipitation	49.3 mm (1.9 in)	51 of 100 (Notable)
Beaumont (the Cedars)	Australia	Record daily precipitation	46.6 mm (1.8 in)	50 of 100 (Notable)
Charleville Aero	Australia	Record daily precipitation	46.4 mm (1.8 in)	49 of 100 (Notable)
Havelund	Sweden	Record daily precipitation	32.5 mm (1.3 in)	49 of 100 (Notable)
Salsipuedes Gaging STN	United States	Record daily precipitation	65.0 mm (2.6 in)	48 of 100 (Notable)
W Lawai 931	United States	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Waiahole 837	United States	Record daily precipitation	182.9 mm (7.2 in)	46 of 100 (Notable)
Gumbardo	Australia	Record daily precipitation	44.2 mm (1.7 in)	45 of 100 (Notable)
Paso Robles	United States	Record daily precipitation	41.7 mm (1.6 in)	45 of 100 (Notable)
McCall	United States	Record high maximum temperature	7.8 C (46.0 F)	45 of 100 (Notable)
Saffle	Sweden	Record daily precipitation	28.4 mm (1.1 in)	44 of 100 (Notable)
Aztec Ruins Nm	United States	Record high minimum temperature	3.3 C (37.9 F)	44 of 100 (Notable)
Waihee 837.5	United States	Record daily precipitation	122.9 mm (4.8 in)	44 of 100 (Notable)
Los Angeles Downtown/Usc	United States	Record high minimum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Barraba (Mount Lindsay)	Australia	Record daily precipitation	46.6 mm (1.8 in)	43 of 100 (Notable)
Chichester Dam	Australia	Record daily precipitation	57.2 mm (2.3 in)	43 of 100 (Notable)
Misurata	Libya	Record daily precipitation	55.9 mm (2.2 in)	43 of 100 (Notable)
Abilene	United States	Record high minimum temperature	8.9 C (48.0 F)	43 of 100 (Notable)
McDermitt	United States	Record high maximum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Culburra Treatment Works	Australia	Record daily precipitation	48.0 mm (1.9 in)	42 of 100 (Notable)
Vladivostok	Russia	Record low maximum temperature	-18.9 C (-2.0 F)	42 of 100 (Notable)
Ojai	United States	Record daily precipitation	79.2 mm (3.1 in)	42 of 100 (Notable)
Steamboat Springs	United States	Record high maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Eumungerie Post Office	Australia	Record daily precipitation	43.0 mm (1.7 in)	41 of 100 (Notable)
Bobin (Bobin Creek)	Australia	Record daily precipitation	68.8 mm (2.7 in)	41 of 100 (Notable)
Swansea (Catherine St)	Australia	Record daily precipitation	58.8 mm (2.3 in)	41 of 100 (Notable)
Kiefersfelden-Gach	Germany	Record daily precipitation	37.0 mm (1.5 in)	41 of 100 (Notable)
Wakkanai	Japan	Record daily precipitation	42.9 mm (1.7 in)	41 of 100 (Notable)
Haboro	Japan	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Cambridge	United States	Record high minimum temperature	-1.7 C (28.9 F)	41 of 100 (Notable)
Mount Wilson (Clarine)	Australia	Record daily precipitation	51.0 mm (2.0 in)	40 of 100 (Notable)
Turgaj	Kazakhstan	Record high minimum temperature	-2.0 C (28.4 F)	40 of 100 (Notable)
Perm	Russia	Record high minimum temperature	0.3 C (32.5 F)	40 of 100 (Notable)
Santa Barbara	United States	Record daily precipitation	73.7 mm (2.9 in)	40 of 100 (Notable)
Topeka ASOS	United States	Record high minimum temperature	10.6 C (51.1 F)	40 of 100 (Notable)
Dungog - Main Creek (Yeranda)	Australia	Record daily precipitation	41.8 mm (1.6 in)	39 of 100 (Notable)
Biser	Russia	Record high minimum temperature	-2.7 C (27.1 F)	39 of 100 (Notable)
Sarapul	Russia	Record high minimum temperature	0.8 C (33.4 F)	39 of 100 (Notable)
Brydeswood STN 985	United States	Record daily precipitation	54.6 mm (2.1 in)	39 of 100 (Notable)
Stephenville Clark Fld	United States	Record high minimum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Emporia ASOS	United States	Record high minimum temperature	10.0 C (50.0 F)	39 of 100 (Notable)
Barraba (Rosevale)	Australia	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Cherdyn'	Russia	Record high minimum temperature	-1.6 C (29.1 F)	38 of 100 (Notable)
Poset	Russia	Record low maximum temperature	-15.1 C (4.8 F)	38 of 100 (Notable)
Falls City Brenner Fld	United States	Record high minimum temperature	8.3 C (46.9 F)	38 of 100 (Notable)
Albury	Australia	Record daily precipitation	46.6 mm (1.8 in)	37 of 100 (Notable)
Oberon (Jenolan Caves Road)	Australia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Mackay Lost Rvr Rs	United States	Record high maximum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Big Falls	United States	Record high minimum temperature	-1.7 C (28.9 F)	37 of 100 (Notable)
Lostock Dam	Australia	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)
Linxi	China	Record low minimum temperature	-29.2 C (-20.6 F)	36 of 100 (Notable)
Toyama	Japan	Record daily precipitation	36.1 mm (1.4 in)	36 of 100 (Notable)
Serov	Russia	Record high minimum temperature	-3.9 C (25.0 F)	36 of 100 (Notable)
Lawrence	United States	Record high minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,170 records

Records set or tied on 21 December 2023 by type: Highest daily maximum 333, Lowest daily maximum 85, Highest daily minimum 393, Lowest daily minimum 73, Heaviest daily rainfall 286.

Records on 21 December 2023 by type
Record type	Records
Highest daily maximum	333
Lowest daily maximum	85
Highest daily minimum	393
Lowest daily minimum	73
Heaviest daily rainfall	286
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 December 2023 by timescale: all-time 0, monthly 8, daily 1,162.

How Much Records Were Beaten By

996 broken records

Margins by which the 996 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 92.4. Ties are not counted.

Top 20 by Significance

21 December 2023

Top 20 records on 21 December 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 2023	Moogerah Dam, AU	daily rain	95.5 mm (3.8 in)	44.2 mm (1.7 in)	82 years	64 of 100 (Major)
21 December 2023	Kenebri (Cumbil), AU	daily rain	108.0 mm (4.3 in)	67.9 mm (2.7 in)	52 years	60 of 100 (Major)
21 December 2023	Aikawa, JP	daily rain	47.0 mm (1.9 in)	25.4 mm (1.0 in)	70 years	60 of 100 (Major)
21 December 2023	Wisemans Ferry (Old Po), AU	daily rain	40.6 mm (1.6 in)	22.3 mm (0.9 in)	108 years	55 of 100 (Notable)
21 December 2023	Mt Playfair, AU	monthly rain	76.8 mm (3.0 in)	6.9 mm (0.27 in)	136 years	54 of 100 (Notable)
21 December 2023	Mundubbera, AU	daily rain	88.0 mm (3.5 in)	41.8 mm (1.6 in)	49 years	51 of 100 (Notable)
21 December 2023	Pt Mugu Nf, US	daily rain	49.3 mm (1.9 in)	33.8 mm (1.3 in)	52 years	51 of 100 (Notable)
21 December 2023	Beaumont (the Cedars), AU	daily rain	46.6 mm (1.8 in)	42.6 mm (1.7 in)	28 years	50 of 100 (Notable)
21 December 2023	Charleville Aero, AU	daily rain	46.4 mm (1.8 in)	26.8 mm (1.1 in)	60 years	49 of 100 (Notable)
21 December 2023	Havelund, SE	daily rain	32.5 mm (1.3 in)	18.7 mm (0.7 in)	40 years	49 of 100 (Notable)
21 December 2023	Salsipuedes Gaging STN, US	daily rain	65.0 mm (2.6 in)	42.9 mm (1.7 in)	52 years	48 of 100 (Notable)
21 December 2023	W Lawai 931, US	daily rain	53.3 mm (2.1 in)	29.7 mm (1.2 in)	68 years	48 of 100 (Notable)
21 December 2023	Waiahole 837, US	daily rain	182.9 mm (7.2 in)	43.2 mm (1.7 in)	68 years	46 of 100 (Notable)
21 December 2023	Gumbardo, AU	daily rain	44.2 mm (1.7 in)	7.4 mm (0.29 in)	114 years	45 of 100 (Notable)
21 December 2023	Paso Robles, US	daily rain	41.7 mm (1.6 in)	14.3 mm (0.6 in)	82 years	45 of 100 (Notable)
21 December 2023	McCall, US	daily high max	7.8 C (46.0 F)	2.2 C (4.0 F)	116 years	45 of 100 (Notable)
21 December 2023	Saffle, SE	daily rain	28.4 mm (1.1 in)	15.9 mm (0.6 in)	20 years	44 of 100 (Notable)
21 December 2023	Aztec Ruins Nm, US	daily high min	3.3 C (37.9 F)	2.2 C (4.0 F)	101 years	44 of 100 (Notable)
21 December 2023	Waihee 837.5, US	daily rain	122.9 mm (4.8 in)	92.4 mm (3.6 in)	5 years	44 of 100 (Notable)
21 December 2023	Los Angeles Downtown/Usc, US	daily high min	15.6 C (60.1 F)	1.2 C (2.2 F)	116 years	44 of 100 (Notable)

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 2023

Records set or tied on this calendar date in each year from 1793 to 2023. 2023 had 1,170 records.

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

Records on 12-21 in each year
Year	Records
1793	1
1794	1
1799	1
1801	2
1808	3
1825	1
1828	1
1839	1
1846	1
1850	1
1855	7
1859	1
1860	1
1868	1
1870	1
1871	2
1874	2
1875	3
1876	1
1877	1
1878	1
1879	1
1880	1
1884	1
1886	3
1889	1
1890	4
1893	4
1894	1
1895	5
1896	3
1897	3
1898	1
1900	8
1901	15
1902	5
1903	25
1904	3
1905	15
1906	15
1907	17
1908	19
1909	20
1910	29
1911	36
1912	23
1913	11
1914	107
1915	43
1916	40
1917	18
1918	41
1919	57
1920	30
1921	104
1922	34
1923	323
1924	377
1925	120
1926	178
1927	147
1928	70
1929	156
1930	66
1931	556
1932	150
1933	581
1934	230
1935	398
1936	323
1937	189
1938	145
1939	140
1940	622
1941	651
1942	968
1943	148
1944	762
1945	396
1946	495
1947	700
1948	297
1949	1,281
1950	504
1951	1,061
1952	197
1953	256
1954	444
1955	888
1956	672
1957	846
1958	516
1959	272
1960	585
1961	254
1962	563
1963	1,137
1964	613
1965	247
1966	400
1967	1,923
1968	818
1969	828
1970	547
1971	680
1972	651
1973	1,292
1974	374
1975	548
1976	446
1977	470
1978	517
1979	558
1980	726
1981	1,476
1982	702
1983	3,324
1984	1,012
1985	979
1986	404
1987	775
1988	717
1989	3,203
1990	2,701
1991	1,125
1992	751
1993	967
1994	793
1995	878
1996	1,114
1997	810
1998	1,142
1999	851
2000	944
2001	650
2002	579
2003	1,103
2004	675
2005	606
2006	1,443
2007	946
2008	1,062
2009	1,097
2010	2,039
2011	653
2012	759
2013	1,029
2014	878
2015	1,173
2016	543
2017	459
2018	742
2019	755
2020	965
2021	323
2022	528
2023	1,170
2024	778
2025	1,100

Download the Data

Data for records on 2023-12-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 20	955
20 to 40	30
40 to 60	9
60 to 80	1
80 to 100	1