Weather Records on 21 January 2003

690 weather records were set or tied worldwide on 21 January 2003. Highest significance: Milan, IT.

Key Facts for 21 January 2003

On 21 January 2003, 690 weather records were set or tied at long-record stations worldwide.
378 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 17 monthly and 668 daily.
Milan set a daily record precipitation of 31.6 mm (1.2 in) on 21 January 2003.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

690 stations

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

Weather records on 21 January 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milan	Italy	Record daily precipitation	31.6 mm (1.2 in)	56 of 100 (Notable)
Svelgen II	Norway	Record daily precipitation	91.0 mm (3.6 in)	49 of 100 (Notable)
Orskog	Norway	Record daily precipitation	43.1 mm (1.7 in)	48 of 100 (Notable)
Bushy Park	Australia	Record daily precipitation	48.6 mm (1.9 in)	47 of 100 (Notable)
Headingly Station	Australia	Record daily precipitation	81.0 mm (3.2 in)	46 of 100 (Notable)
Linesville 1 S	United States	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Onslow Airport	Australia	Record high minimum temperature	32.0 C (89.6 F)	44 of 100 (Notable)
Mokpo	Korea, South	Record low minimum temperature	-13.5 C (7.7 F)	42 of 100 (Notable)
Brusdalsvatn II	Norway	Record daily precipitation	51.0 mm (2.0 in)	41 of 100 (Notable)
X-Pichil	Mexico	Record low minimum temperature	5.0 C (41.0 F)	38 of 100 (Notable)
Fredericksburg	United States	Record high maximum temperature	28.3 C (82.9 F)	38 of 100 (Notable)
Ytre Solund	Norway	Record daily precipitation	48.0 mm (1.9 in)	37 of 100 (Notable)
Rockypoint 7NNE	United States	Record daily snowfall	6.4 cm (2.5 in)	37 of 100 (Notable)
San Jose de Gracia	Mexico	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Dutch Harbor	United States	Record daily precipitation	72.9 mm (2.9 in)	35 of 100 (Notable)
Manuel Avila Camacho	Mexico	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Fiskabygd	Norway	Record daily precipitation	55.0 mm (2.2 in)	34 of 100 (Routine)
San Diego Curupatzeo	Mexico	Record low minimum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Olenja Rechka	Russia	Record high maximum temperature	-6.5 C (20.3 F)	31 of 100 (Routine)
Naalehu 14	United States	Record high maximum temperature	30.6 C (87.1 F)	31 of 100 (Routine)
Santa Rosalia (Dge)	Mexico	Record high minimum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Elkedra	Australia	Record daily precipitation	53.0 mm (2.1 in)	29 of 100 (Routine)
Madang W.O.	Papua New Guinea	Record daily precipitation	92.0 mm (3.6 in)	29 of 100 (Routine)
Odessa	United States	Record daily snowfall	10.2 cm (4.0 in)	29 of 100 (Routine)
Presa Centenario	Mexico	Record high minimum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Kyzyl	Russia	Record high maximum temperature	-12.1 C (10.2 F)	28 of 100 (Routine)
Atoka	United States	Record high maximum temperature	22.8 C (73.0 F)	28 of 100 (Routine)
Wittenoom	Australia	Record high minimum temperature	35.5 C (95.9 F)	27 of 100 (Routine)
Pannawonica	Australia	Record high minimum temperature	33.4 C (92.1 F)	27 of 100 (Routine)
Kantunilkin	Mexico	Record low maximum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Ust-Oloj	Russia	Record high minimum temperature	-21.4 C (-6.5 F)	27 of 100 (Routine)
Taloga	United States	Record high maximum temperature	22.8 C (73.0 F)	27 of 100 (Routine)
Onslow Airport	Australia	Record high maximum temperature	48.7 C (119.7 F)	26 of 100 (Routine)
Frontera Hidalgo	Mexico	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Hildre	Norway	Record daily precipitation	38.5 mm (1.5 in)	26 of 100 (Routine)
Orlinga	Russia	Record high minimum temperature	-9.9 C (14.2 F)	26 of 100 (Routine)
Tulun	Russia	Record high maximum temperature	-0.7 C (30.7 F)	26 of 100 (Routine)
Sosnovo-Ozerskoe	Russia	Record high maximum temperature	-9.3 C (15.3 F)	26 of 100 (Routine)
Missoula Intl AP	United States	Record daily snowfall	15.2 cm (6.0 in)	26 of 100 (Routine)
Onslow	Australia	Record high maximum temperature	48.0 C (118.4 F)	25 of 100 (Routine)
San Miguel Tlaixpan	Mexico	Record high maximum temperature	26.7 C (80.1 F)	25 of 100 (Routine)
Villa de Arriaga (Dge)	Mexico	Record high minimum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Cerro Maravilla	Puerto Rico [United States]	Record high minimum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Romanovka	Russia	Record high maximum temperature	-4.3 C (24.3 F)	25 of 100 (Routine)
Newburyport	United States	Record snow depth	45.7 cm (18.0 in)	25 of 100 (Routine)
Minden	United States	Record high maximum temperature	18.9 C (66.0 F)	25 of 100 (Routine)
Newcastle	United States	Record daily snowfall	5.1 cm (2.0 in)	25 of 100 (Routine)
Tangier City	Morocco	Record daily precipitation	39.9 mm (1.6 in)	24 of 100 (Routine)
Ocozocoautla	Mexico	Record low minimum temperature	5.0 C (41.0 F)	24 of 100 (Routine)
Marmarth	United States	Record daily snowfall	12.7 cm (5.0 in)	24 of 100 (Routine)
Ochoco Rs	United States	Record high maximum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Alfoten II	Norway	Record daily precipitation	56.0 mm (2.2 in)	23 of 100 (Routine)
Karam	Russia	Record high minimum temperature	-10.7 C (12.7 F)	23 of 100 (Routine)
Zima	Russia	Record high maximum temperature	-1.9 C (28.6 F)	23 of 100 (Routine)
Elk	United States	Record high minimum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Whittier	United States	Record high maximum temperature	6.7 C (44.1 F)	23 of 100 (Routine)
Kaneohe Bay MCAS	United States	Record low minimum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Hallett (Old Canowie)	Australia	Record daily precipitation	25.6 mm (1.0 in)	22 of 100 (Routine)
Wagga Wagga Research Centre	Australia	Record high minimum temperature	23.5 C (74.3 F)	22 of 100 (Routine)
Las Escobas	Mexico	Record high maximum temperature	26.7 C (80.1 F)	22 of 100 (Routine)

Counts by Type and Timescale

690 records

Records set or tied on 21 January 2003 by type: Highest daily maximum 255, Lowest daily maximum 23, Highest daily minimum 123, Lowest daily minimum 42, Heaviest daily rainfall 194, Heaviest daily snowfall 41, Deepest snow cover 12.

Records on 21 January 2003 by type
Record type	Records
Highest daily maximum	255
Lowest daily maximum	23
Highest daily minimum	123
Lowest daily minimum	42
Heaviest daily rainfall	194
Heaviest daily snowfall	41
Deepest snow cover	12

Records on 21 January 2003 by timescale: all-time 5, monthly 17, daily 668.

How Much Records Were Beaten By

519 broken records

Margins by which the 519 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

21 January 2003

Top 20 records on 21 January 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 January 2003	Milan, IT	daily rain	31.6 mm (1.2 in)	14.6 mm (0.6 in)	107 years	56 of 100 (Notable)
21 January 2003	Svelgen II, NO	daily rain	91.0 mm (3.6 in)	58.4 mm (2.3 in)	20 years	49 of 100 (Notable)
21 January 2003	Orskog, NO	daily rain	43.1 mm (1.7 in)	28.6 mm (1.1 in)	39 years	48 of 100 (Notable)
21 January 2003	Bushy Park, AU	daily rain	48.6 mm (1.9 in)	25.7 mm (1.0 in)	88 years	47 of 100 (Notable)
21 January 2003	Headingly Station, AU	daily rain	81.0 mm (3.2 in)	63.8 mm (2.5 in)	21 years	46 of 100 (Notable)
21 January 2003	Linesville 1 S, US	daily snowfall	15.2 cm (6.0 in)	6.3 cm (2.5 in)	80 years	46 of 100 (Notable)
21 January 2003	Onslow Airport, AU	all-time high min	32.0 C (89.6 F)	0.9 C (1.6 F)	47 years	44 of 100 (Notable)
21 January 2003	Mokpo, KR	daily low min	-13.5 C (7.7 F)	4.5 C (8.1 F)	76 years	42 of 100 (Notable)
21 January 2003	Brusdalsvatn II, NO	daily rain	51.0 mm (2.0 in)	28.5 mm (1.1 in)	27 years	41 of 100 (Notable)
21 January 2003	X-Pichil, MX	all-time low min	5.0 C (41.0 F)	1.1 C (2.0 F)	39 years	38 of 100 (Notable)
21 January 2003	Fredericksburg, US	daily high max	28.3 C (82.9 F)	1.1 C (2.0 F)	92 years	38 of 100 (Notable)
21 January 2003	Ytre Solund, NO	daily rain	48.0 mm (1.9 in)	26.0 mm (1.0 in)	13 years	37 of 100 (Notable)
21 January 2003	Rockypoint 7NNE, US	daily snowfall	6.4 cm (2.5 in)	1.3 cm (0.5 in)	80 years	37 of 100 (Notable)
21 January 2003	San Jose de Gracia, MX	daily high min	17.8 C (64.0 F)	5.0 C (9.0 F)	41 years	35 of 100 (Notable)
21 January 2003	Dutch Harbor, US	daily rain	72.9 mm (2.9 in)	31.2 mm (1.2 in)	5 years	35 of 100 (Notable)
21 January 2003	Manuel Avila Camacho, MX	daily high max	35.0 C (95.0 F)	0.6 C (1.1 F)	80 years	34 of 100 (Routine)
21 January 2003	Fiskabygd, NO	daily rain	55.0 mm (2.2 in)	24.7 mm (1.0 in)	20 years	34 of 100 (Routine)
21 January 2003	San Diego Curupatzeo, MX	daily low min	8.9 C (48.0 F)	1.1 C (2.0 F)	71 years	33 of 100 (Routine)
21 January 2003	Olenja Rechka, RU	daily high max	-6.5 C (20.3 F)	1.5 C (2.7 F)	71 years	31 of 100 (Routine)
21 January 2003	Naalehu 14, US	daily high max	30.6 C (87.1 F)	1.7 C (3.1 F)	40 years	31 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 2003

Records set or tied on this calendar date in each year from 1793 to 2003. 2003 had 690 records.

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

Records on 01-21 in each year
Year	Records
1793	1
1795	2
1796	1
1798	1
1800	2
1803	1
1804	2
1829	1
1838	3
1840	2
1845	2
1846	1
1850	2
1864	2
1866	4
1867	1
1869	1
1871	1
1873	2
1876	1
1878	4
1880	3
1881	4
1884	1
1885	1
1886	1
1888	3
1890	2
1891	3
1892	2
1893	1
1894	3
1895	2
1896	2
1897	3
1898	3
1899	15
1900	5
1901	4
1902	8
1903	18
1904	30
1905	3
1906	53
1907	10
1908	11
1909	25
1910	11
1911	8
1912	7
1913	23
1914	37
1915	47
1916	38
1917	83
1918	49
1919	14
1920	75
1921	54
1922	35
1923	62
1924	535
1925	103
1926	157
1927	447
1928	206
1929	132
1930	616
1931	112
1932	167
1933	572
1934	255
1935	771
1936	314
1937	852
1938	250
1939	305
1940	562
1941	205
1942	522
1943	1,168
1944	324
1945	290
1946	339
1947	205
1948	387
1949	452
1950	643
1951	367
1952	436
1953	325
1954	1,094
1955	399
1956	653
1957	527
1958	506
1959	936
1960	319
1961	746
1962	741
1963	761
1964	771
1965	251
1966	636
1967	511
1968	1,179
1969	927
1970	1,770
1971	672
1972	598
1973	573
1974	992
1975	496
1976	860
1977	549
1978	1,301
1979	1,675
1980	425
1981	972
1982	1,339
1983	1,179
1984	2,132
1985	2,457
1986	883
1987	934
1988	771
1989	511
1990	927
1991	559
1992	447
1993	1,763
1994	1,195
1995	1,276
1996	528
1997	950
1998	606
1999	1,387
2000	686
2001	736
2002	796
2003	690
2004	535
2005	1,111
2006	1,116
2007	1,955
2008	1,061
2009	788
2010	1,166
2011	836
2012	1,148
2013	455
2014	522
2015	426
2016	580
2017	1,248
2018	664
2019	526
2020	894
2021	626
2022	430
2023	517
2024	1,015
2025	1,386
2026	201

Download the Data

Data for records on 2003-01-21: 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	507
50 to 100	9
100 to 150	1
150 to 200	1
200 to 250	1