Weather Records on 21 January 1973

573 weather records were set or tied worldwide on 21 January 1973. Highest significance: Herefoss, NO.

Key Facts for 21 January 1973

On 21 January 1973, 573 weather records were set or tied at long-record stations worldwide.
59 were record highs and 106 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 561 daily.
Herefoss set a daily record precipitation of 62.5 mm (2.5 in) on 21 January 1973.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 467 records.

Record Map

573 stations

573 station records on 21 January 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 January 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Herefoss	Norway	Record daily precipitation	62.5 mm (2.5 in)	69 of 100 (Major)
Madison	United States	Record daily precipitation	36.8 mm (1.4 in)	65 of 100 (Major)
Castle Rock	United States	Record daily snowfall	14.0 cm (5.5 in)	60 of 100 (Major)
Mallina	Australia	Record daily precipitation	231.7 mm (9.1 in)	55 of 100 (Notable)
Greenwood	United States	Record daily precipitation	114.3 mm (4.5 in)	54 of 100 (Notable)
Nashville	United States	Record daily precipitation	88.9 mm (3.5 in)	53 of 100 (Notable)
Belzoni	United States	Record daily precipitation	95.3 mm (3.8 in)	50 of 100 (Notable)
Rancharia (Mc Fadden)	Brazil	Record daily precipitation	101.5 mm (4.0 in)	49 of 100 (Notable)
Gregory	United States	Record daily snowfall	15.2 cm (6.0 in)	48 of 100 (Notable)
Quanah 2 SW	United States	Record daily precipitation	32.5 mm (1.3 in)	48 of 100 (Notable)
Hobart Muni AP	United States	Record daily precipitation	33.0 mm (1.3 in)	48 of 100 (Notable)
Walthill 1E	United States	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Arkadelphia 2 N	United States	Record daily precipitation	91.4 mm (3.6 in)	45 of 100 (Notable)
Lynch	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Monticello Muni AP	United States	Record daily precipitation	79.0 mm (3.1 in)	43 of 100 (Notable)
Monte Belo	Brazil	Record daily precipitation	94.5 mm (3.7 in)	42 of 100 (Notable)
Atyrau	Kazakhstan	Record low maximum temperature	-25.0 C (-13.0 F)	42 of 100 (Notable)
Arthur	United States	Record daily snowfall	10.2 cm (4.0 in)	42 of 100 (Notable)
Cloud Chief 2 SE	United States	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Tarkio	United States	Record daily precipitation	27.9 mm (1.1 in)	42 of 100 (Notable)
Kassler	United States	Record snow depth	40.6 cm (16.0 in)	41 of 100 (Notable)
Lake Providence	United States	Record daily precipitation	49.8 mm (2.0 in)	41 of 100 (Notable)
Winside	United States	Record daily snowfall	12.7 cm (5.0 in)	41 of 100 (Notable)
Norwich	United States	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
Camargo	United States	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Howard	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Ft Washakie 1 SE	United States	Record daily snowfall	21.6 cm (8.5 in)	39 of 100 (Notable)
Tallulah	United States	Record daily precipitation	82.8 mm (3.3 in)	38 of 100 (Notable)
Charleston	United States	Record daily precipitation	72.9 mm (2.9 in)	38 of 100 (Notable)
Moorhead	United States	Record daily precipitation	87.6 mm (3.4 in)	38 of 100 (Notable)
Canistota 2 N	United States	Record daily snowfall	11.9 cm (4.7 in)	38 of 100 (Notable)
Adelaide West Terrace	Australia	Record high minimum temperature	28.6 C (83.5 F)	37 of 100 (Notable)
Norwich	United States	Record daily snowfall	14.0 cm (5.5 in)	37 of 100 (Notable)
Mt Pleasant 4SW	United States	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Billings	United States	Record daily precipitation	31.2 mm (1.2 in)	37 of 100 (Notable)
Fillmore	United States	Record snow depth	55.9 cm (22.0 in)	37 of 100 (Notable)
Bingil Bay	Australia	Record daily precipitation	214.6 mm (8.4 in)	36 of 100 (Notable)
Atyrau	Kazakhstan	Record low minimum temperature	-32.7 C (-26.9 F)	36 of 100 (Notable)
Winnsboro 5 SSE	United States	Record daily precipitation	76.7 mm (3.0 in)	36 of 100 (Notable)
Fallon Exp STN	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Menno	United States	Record daily snowfall	25.4 cm (10.0 in)	36 of 100 (Notable)
Pine Ridge	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Logan 1 WNW	United States	Record daily snowfall	10.2 cm (4.0 in)	34 of 100 (Routine)
Rosedale	United States	Record daily precipitation	59.2 mm (2.3 in)	34 of 100 (Routine)
Balmoral	Australia	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Port Lincoln	Australia	Record high minimum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Cumberland	United States	Record daily snowfall	11.4 cm (4.5 in)	33 of 100 (Routine)
Abbeville	United States	Record daily precipitation	59.4 mm (2.3 in)	33 of 100 (Routine)
Coffeeville	United States	Record daily precipitation	56.9 mm (2.2 in)	33 of 100 (Routine)
Erebango	Brazil	Record daily precipitation	77.6 mm (3.1 in)	32 of 100 (Routine)
Kriel (Pol)	South Africa	Record daily precipitation	60.0 mm (2.4 in)	32 of 100 (Routine)
Walthill 1E	United States	Record daily snowfall	15.2 cm (6.0 in)	32 of 100 (Routine)
Tovdal	Norway	Record daily precipitation	30.2 mm (1.2 in)	31 of 100 (Routine)
Minden	United States	Record daily precipitation	36.3 mm (1.4 in)	31 of 100 (Routine)
Carter Twr	United States	Record daily precipitation	41.4 mm (1.6 in)	31 of 100 (Routine)
Post	United States	Record daily precipitation	33.8 mm (1.3 in)	31 of 100 (Routine)
Holy Cross	United States	Record low maximum temperature	-36.7 C (-34.1 F)	31 of 100 (Routine)
Saint Bernard	United States	Record daily precipitation	61.7 mm (2.4 in)	30 of 100 (Routine)
Waterloo	United States	Record daily precipitation	53.8 mm (2.1 in)	30 of 100 (Routine)
Leesville	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)

Counts by Type and Timescale

573 records

Records set or tied on 21 January 1973 by type: Highest daily maximum 27, Lowest daily maximum 51, Highest daily minimum 32, Lowest daily minimum 55, Heaviest daily rainfall 320, Heaviest daily snowfall 76, Deepest snow cover 12.

Records on 21 January 1973 by type
Record type	Records
Highest daily maximum	27
Lowest daily maximum	51
Highest daily minimum	32
Lowest daily minimum	55
Heaviest daily rainfall	320
Heaviest daily snowfall	76
Deepest snow cover	12

Records on 21 January 1973 by timescale: all-time 1, monthly 11, daily 561.

How Much Records Were Beaten By

504 broken records

Margins by which the 504 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 January 1973

Top 20 records on 21 January 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 January 1973	Herefoss, NO	daily rain	62.5 mm (2.5 in)	43.2 mm (1.7 in)	73 years	69 of 100 (Major)
21 January 1973	Madison, US	daily rain	36.8 mm (1.4 in)	24.1 mm (0.9 in)	57 years	65 of 100 (Major)
21 January 1973	Castle Rock, US	daily snowfall	14.0 cm (5.5 in)	14.0 cm (5.5 in)	79 years	60 of 100 (Major)
21 January 1973	Mallina, AU	monthly rain	231.7 mm (9.1 in)	76.2 mm (3.0 in)	11 years	55 of 100 (Notable)
21 January 1973	Greenwood, US	daily rain	114.3 mm (4.5 in)	83.6 mm (3.3 in)	38 years	54 of 100 (Notable)
21 January 1973	Nashville, US	daily rain	88.9 mm (3.5 in)	70.1 mm (2.8 in)	21 years	53 of 100 (Notable)
21 January 1973	Belzoni, US	daily rain	95.3 mm (3.8 in)	60.5 mm (2.4 in)	38 years	50 of 100 (Notable)
21 January 1973	Rancharia (Mc Fadden), BR	daily rain	101.5 mm (4.0 in)	75.5 mm (3.0 in)	22 years	49 of 100 (Notable)
21 January 1973	Gregory, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	37 years	48 of 100 (Notable)
21 January 1973	Quanah 2 SW, US	daily rain	32.5 mm (1.3 in)	17.3 mm (0.7 in)	47 years	48 of 100 (Notable)
21 January 1973	Hobart Muni AP, US	daily rain	33.0 mm (1.3 in)	22.8 mm (0.9 in)	46 years	48 of 100 (Notable)
21 January 1973	Walthill 1E, US	daily rain	25.4 mm (1.0 in)	15.2 mm (0.6 in)	56 years	47 of 100 (Notable)
21 January 1973	Arkadelphia 2 N, US	daily rain	91.4 mm (3.6 in)	27.9 mm (1.1 in)	67 years	45 of 100 (Notable)
21 January 1973	Lynch, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	37 years	45 of 100 (Notable)
21 January 1973	Monticello Muni AP, US	daily rain	79.0 mm (3.1 in)	43.4 mm (1.7 in)	19 years	43 of 100 (Notable)
21 January 1973	Monte Belo, BR	daily rain	94.5 mm (3.7 in)	63.8 mm (2.5 in)	3 years	42 of 100 (Notable)
21 January 1973	Atyrau, KZ	daily low max	-25.0 C (-13.0 F)	8.5 C (15.3 F)	68 years	42 of 100 (Notable)
21 January 1973	Arthur, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	43 years	42 of 100 (Notable)
21 January 1973	Cloud Chief 2 SE, US	daily rain	26.9 mm (1.1 in)	15.5 mm (0.6 in)	41 years	42 of 100 (Notable)
21 January 1973	Tarkio, US	daily rain	27.9 mm (1.1 in)	19.0 mm (0.7 in)	15 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 1973

Records set or tied on this calendar date in each year from 1793 to 1973. 1973 had 573 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 1973-01-21: 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 2026-10-14 (14 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	464
50 to 100	31
100 to 150	7
150 to 200	0
200 to 250	2