Weather Records on 21 December 2003

1,103 weather records were set or tied worldwide on 21 December 2003. Highest significance: Haines AP, US.

Key Facts for 21 December 2003

On 21 December 2003, 1,103 weather records were set or tied at long-record stations worldwide.
437 were record highs and 281 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 53 monthly and 1,044 daily.
Haines AP set a daily record precipitation of 66.8 mm (2.6 in) on 21 December 2003.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 485 records.

Record Map

1,103 stations

1,103 station records on 21 December 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Haines AP	United States	Record daily precipitation	66.8 mm (2.6 in)	66 of 100 (Major)
Manton Dam	Australia	Record daily precipitation	115.2 mm (4.5 in)	62 of 100 (Major)
Gabo Island Lighthouse	Australia	Record daily precipitation	46.4 mm (1.8 in)	62 of 100 (Major)
Dannemora	United States	Record daily precipitation	50.8 mm (2.0 in)	61 of 100 (Major)
Nagano	Japan	Record daily precipitation	25.4 mm (1.0 in)	59 of 100 (Notable)
Bredbo (Bredbo Station)	Australia	Record daily precipitation	28.8 mm (1.1 in)	58 of 100 (Notable)
Abu Hamed	Sudan	Record daily precipitation	59.9 mm (2.4 in)	57 of 100 (Notable)
Godegard	Sweden	Record daily precipitation	32.8 mm (1.3 in)	55 of 100 (Notable)
Hanko Russaro	Finland	Record daily precipitation	35.1 mm (1.4 in)	52 of 100 (Notable)
Mount Gambier Post Office	Australia	Record daily precipitation	25.1 mm (1.0 in)	50 of 100 (Notable)
Olastorp	Sweden	Record daily precipitation	25.0 mm (1.0 in)	50 of 100 (Notable)
Regna_D	Sweden	Record daily precipitation	27.5 mm (1.1 in)	49 of 100 (Notable)
Galiwinku	Australia	Record daily precipitation	125.8 mm (5.0 in)	46 of 100 (Notable)
Karuizawa	Japan	Record daily precipitation	35.1 mm (1.4 in)	45 of 100 (Notable)
Hyltan	Sweden	Record daily precipitation	26.3 mm (1.0 in)	44 of 100 (Notable)
Ruth	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
New England	United States	Record high minimum temperature	0.0 C (32.0 F)	43 of 100 (Notable)
Villaflores (Smn)	Mexico	Record high maximum temperature	40.6 C (105.1 F)	42 of 100 (Notable)
Actopan	Mexico	Record low minimum temperature	-8.3 C (17.1 F)	42 of 100 (Notable)
Tupper Lake Sunmount	United States	Record snow depth	88.9 cm (35.0 in)	42 of 100 (Notable)
Summersville Lake	United States	Record snow depth	27.9 cm (11.0 in)	42 of 100 (Notable)
Turlock #2	United States	Record high minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Levan	United States	Record high minimum temperature	0.6 C (33.1 F)	41 of 100 (Notable)
N Fk Lake	United States	Record snow depth	17.8 cm (7.0 in)	41 of 100 (Notable)
Turkestan	Kazakhstan	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Dickinson Exp STN	United States	Record high maximum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Selby	United States	Record high minimum temperature	-1.7 C (28.9 F)	40 of 100 (Notable)
Parsons 3 SE	United States	Record snow depth	33.0 cm (13.0 in)	40 of 100 (Notable)
Torrevieja	Spain	Record high maximum temperature	24.5 C (76.1 F)	39 of 100 (Notable)
Oenpelli	Australia	Record daily precipitation	87.4 mm (3.4 in)	38 of 100 (Notable)
Bemboka Post Office	Australia	Record daily precipitation	35.8 mm (1.4 in)	38 of 100 (Notable)
Jefferson 2 E	United States	Record snow depth	25.4 cm (10.0 in)	38 of 100 (Notable)
Darwin River Dam	Australia	Record daily precipitation	106.8 mm (4.2 in)	37 of 100 (Notable)
Cahuacan	Mexico	Record low minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Prescott	United States	Record high maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Sidney	United States	Record high minimum temperature	1.1 C (34.0 F)	37 of 100 (Notable)
Mtn City 2	United States	Record snow depth	20.3 cm (8.0 in)	37 of 100 (Notable)
La Piedad de Cabadas (Dge)	Mexico	Record low maximum temperature	12.8 C (55.0 F)	36 of 100 (Notable)
Legaspi	Philippines	Record low minimum temperature	18.8 C (65.8 F)	36 of 100 (Notable)
Santa Ana Fire STN	United States	Record high minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Little Falls 2NNE	United States	Record high maximum temperature	7.8 C (46.0 F)	36 of 100 (Notable)
Ewing	United States	Record high minimum temperature	2.2 C (36.0 F)	36 of 100 (Notable)
Kouvola Utti Lentoportintie	Finland	Record daily precipitation	27.6 mm (1.1 in)	35 of 100 (Notable)
Aibonito 1 S	Puerto Rico [United States]	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Mtn Park	United States	Record high maximum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Hacker Valley	United States	Record snow depth	30.5 cm (12.0 in)	35 of 100 (Notable)
Coober Pedy	Australia	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
Pustunich	Mexico	Record low maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Akron 4 E	United States	Record high minimum temperature	1.1 C (34.0 F)	34 of 100 (Routine)
Colony	United States	Record high maximum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Jamay	Mexico	Record low minimum temperature	-1.1 C (30.0 F)	33 of 100 (Routine)
Enisejsk	Russia	Record high maximum temperature	2.5 C (36.5 F)	33 of 100 (Routine)
Nizhneangarsk	Russia	Record high minimum temperature	-2.5 C (27.5 F)	33 of 100 (Routine)
Motala	Sweden	Record daily precipitation	26.3 mm (1.0 in)	33 of 100 (Routine)
Dupree	United States	Record high minimum temperature	0.6 C (33.1 F)	33 of 100 (Routine)
Nimmitabel (Cottesloe)	Australia	Record daily precipitation	40.8 mm (1.6 in)	32 of 100 (Routine)
Chapulco	Mexico	Record low minimum temperature	-3.3 C (26.1 F)	32 of 100 (Routine)
Aneityum	Vanuatu	Record daily precipitation	136.9 mm (5.4 in)	32 of 100 (Routine)
Tajshet	Russia	Record high maximum temperature	8.1 C (46.6 F)	32 of 100 (Routine)
Woodruff	United States	Record daily snowfall	10.4 cm (4.1 in)	32 of 100 (Routine)

Counts by Type and Timescale

1,103 records

Records set or tied on 21 December 2003 by type: Highest daily maximum 221, Lowest daily maximum 47, Highest daily minimum 216, Lowest daily minimum 234, Heaviest daily rainfall 319, Heaviest daily snowfall 20, Deepest snow cover 46.

Records on 21 December 2003 by type
Record type	Records
Highest daily maximum	221
Lowest daily maximum	47
Highest daily minimum	216
Lowest daily minimum	234
Heaviest daily rainfall	319
Heaviest daily snowfall	20
Deepest snow cover	46

Records on 21 December 2003 by timescale: all-time 6, monthly 53, daily 1,044.

How Much Records Were Beaten By

871 broken records

Margins by which the 871 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

21 December 2003

Top 20 records on 21 December 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 2003	Haines AP, US	daily rain	66.8 mm (2.6 in)	42.7 mm (1.7 in)	72 years	66 of 100 (Major)
21 December 2003	Manton Dam, AU	daily rain	115.2 mm (4.5 in)	82.4 mm (3.2 in)	65 years	62 of 100 (Major)
21 December 2003	Gabo Island Lighthouse, AU	daily rain	46.4 mm (1.8 in)	23.0 mm (0.9 in)	100 years	62 of 100 (Major)
21 December 2003	Dannemora, US	daily rain	50.8 mm (2.0 in)	22.4 mm (0.9 in)	56 years	61 of 100 (Major)
21 December 2003	Nagano, JP	daily rain	25.4 mm (1.0 in)	19.8 mm (0.8 in)	48 years	59 of 100 (Notable)
21 December 2003	Bredbo (Bredbo Station), AU	daily rain	28.8 mm (1.1 in)	20.7 mm (0.8 in)	88 years	58 of 100 (Notable)
21 December 2003	Abu Hamed, SD	daily rain	59.9 mm (2.4 in)	59.9 mm (2.4 in)	45 years	57 of 100 (Notable)
21 December 2003	Godegard, SE	monthly rain	32.8 mm (1.3 in)	2.3 mm (0.09 in)	114 years	55 of 100 (Notable)
21 December 2003	Hanko Russaro, FI	monthly rain	35.1 mm (1.4 in)	12.5 mm (0.5 in)	5 years	52 of 100 (Notable)
21 December 2003	Mount Gambier Post Office, AU	daily rain	25.1 mm (1.0 in)	6.3 mm (0.25 in)	130 years	50 of 100 (Notable)
21 December 2003	Olastorp, SE	daily rain	25.0 mm (1.0 in)	12.0 mm (0.5 in)	48 years	50 of 100 (Notable)
21 December 2003	Regna_D, SE	daily rain	27.5 mm (1.1 in)	18.5 mm (0.7 in)	13 years	49 of 100 (Notable)
21 December 2003	Galiwinku, AU	daily rain	125.8 mm (5.0 in)	64.3 mm (2.5 in)	33 years	46 of 100 (Notable)
21 December 2003	Karuizawa, JP	daily rain	35.1 mm (1.4 in)	30.3 mm (1.2 in)	1 year	45 of 100 (Notable)
21 December 2003	Hyltan, SE	daily rain	26.3 mm (1.0 in)	13.7 mm (0.5 in)	13 years	44 of 100 (Notable)
21 December 2003	Ruth, US	monthly rain	50.8 mm (2.0 in)	15.2 mm (0.6 in)	0 years	43 of 100 (Notable)
21 December 2003	New England, US	daily high min	0.0 C (32.0 F)	2.8 C (5.0 F)	106 years	43 of 100 (Notable)
21 December 2003	Villaflores (Smn), MX	monthly high max	40.6 C (105.1 F)	1.7 C (3.1 F)	69 years	42 of 100 (Notable)
21 December 2003	Actopan, MX	all-time low min	-8.3 C (17.1 F)	1.1 C (2.0 F)	47 years	42 of 100 (Notable)
21 December 2003	Tupper Lake Sunmount, US	daily snow depth	88.9 cm (35.0 in)	22.9 cm (9.0 in)	60 years	42 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 2003

Records set or tied on this calendar date in each year from 1793 to 2003. 2003 had 1,103 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	1,099

Download the Data

Data for records on 2003-12-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	844
50 to 100	17
100 to 150	4
150 to 200	4
200 to 250	2