Weather Records on 31 January 1973

714 weather records were set or tied worldwide on 31 January 1973. Highest significance: Wartook Reservoir, AU.

Key Facts for 31 January 1973

On 31 January 1973, 714 weather records were set or tied at long-record stations worldwide.
78 were record highs and 129 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 706 daily.
Wartook Reservoir set a daily record precipitation of 61.0 mm (2.4 in) on 31 January 1973.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 501 records.

Record Map

714 stations

714 station records on 31 January 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 January 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wartook Reservoir	Australia	Record daily precipitation	61.0 mm (2.4 in)	63 of 100 (Major)
Brunette Downs	Australia	Record daily precipitation	115.8 mm (4.6 in)	62 of 100 (Major)
Nhill	Australia	Record daily precipitation	62.2 mm (2.4 in)	62 of 100 (Major)
Frances	Australia	Record daily precipitation	41.9 mm (1.6 in)	61 of 100 (Major)
Nhill (Woorak)	Australia	Record daily precipitation	65.0 mm (2.6 in)	61 of 100 (Major)
Brinkworth (Anama Park)	Australia	Record daily precipitation	34.3 mm (1.4 in)	59 of 100 (Notable)
Horsham Polkemmet Rd	Australia	Record daily precipitation	54.9 mm (2.2 in)	56 of 100 (Notable)
Karnak (Rosedale)	Australia	Record daily precipitation	44.5 mm (1.8 in)	56 of 100 (Notable)
Goroke (Kangawall)	Australia	Record daily precipitation	50.8 mm (2.0 in)	55 of 100 (Notable)
Natimuk	Australia	Record daily precipitation	51.6 mm (2.0 in)	55 of 100 (Notable)
Powell Creek	Australia	Record daily precipitation	124.5 mm (4.9 in)	54 of 100 (Notable)
Glenlee	Australia	Record daily precipitation	46.7 mm (1.8 in)	54 of 100 (Notable)
Gerang Gerung	Australia	Record daily precipitation	58.4 mm (2.3 in)	53 of 100 (Notable)
Drung Drung	Australia	Record daily precipitation	61.5 mm (2.4 in)	52 of 100 (Notable)
Las Vegas 2 NW	United States	Record daily snowfall	17.8 cm (7.0 in)	52 of 100 (Notable)
Minyip (Post Office)	Australia	Record daily precipitation	39.9 mm (1.6 in)	51 of 100 (Notable)
Bellellen	Australia	Record daily precipitation	52.6 mm (2.1 in)	51 of 100 (Notable)
Nhill (Salisbury (Lynbar))	Australia	Record daily precipitation	68.6 mm (2.7 in)	50 of 100 (Notable)
Eberys	Australia	Record daily precipitation	41.9 mm (1.6 in)	48 of 100 (Notable)
Waikerie (Ramco)	Australia	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Navarre	Australia	Record daily precipitation	36.6 mm (1.4 in)	47 of 100 (Notable)
Daylesford	Australia	Record daily precipitation	44.2 mm (1.7 in)	47 of 100 (Notable)
Diapur (Bleak House)	Australia	Record daily precipitation	39.9 mm (1.6 in)	46 of 100 (Notable)
Antwerp	Australia	Record daily precipitation	53.8 mm (2.1 in)	46 of 100 (Notable)
Great Western (Seppelt)	Australia	Record daily precipitation	50.5 mm (2.0 in)	46 of 100 (Notable)
Jeparit	Australia	Record daily precipitation	40.1 mm (1.6 in)	45 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low maximum temperature	24.4 C (75.9 F)	45 of 100 (Notable)
Clear Lake	Australia	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Waikerie	Australia	Record daily precipitation	26.9 mm (1.1 in)	43 of 100 (Notable)
Glenorchy	Australia	Record daily precipitation	39.4 mm (1.6 in)	43 of 100 (Notable)
Broadford Golf Course	Australia	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Puckapunyal	Australia	Record daily precipitation	47.8 mm (1.9 in)	43 of 100 (Notable)
Warracknabeal (Ailsa)	Australia	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Goroke (Post Office)	Australia	Record daily precipitation	44.7 mm (1.8 in)	42 of 100 (Notable)
Woodfield	Australia	Record daily precipitation	35.8 mm (1.4 in)	42 of 100 (Notable)
Kallista Forestry	Australia	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Ballan	Australia	Record daily precipitation	27.4 mm (1.1 in)	42 of 100 (Notable)
Cachoeira Escura	Brazil	Record daily precipitation	65.0 mm (2.6 in)	42 of 100 (Notable)
Haileybury	Canada	Record low minimum temperature	-41.1 C (-42.0 F)	42 of 100 (Notable)
Roy Hill	Australia	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Warracknabeal (Earlstan)	Australia	Record daily precipitation	48.0 mm (1.9 in)	41 of 100 (Notable)
Yanac North	Australia	Record daily precipitation	40.9 mm (1.6 in)	41 of 100 (Notable)
Lake Lonsdale	Australia	Record daily precipitation	38.9 mm (1.5 in)	41 of 100 (Notable)
Leichardt	Australia	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Montrose	Australia	Record daily precipitation	37.8 mm (1.5 in)	41 of 100 (Notable)
Diapur	Australia	Record daily precipitation	42.4 mm (1.7 in)	40 of 100 (Notable)
Lawloit	Australia	Record daily precipitation	31.8 mm (1.3 in)	40 of 100 (Notable)
Kew	Australia	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Brockville	Canada	Record low maximum temperature	-18.3 C (-0.9 F)	40 of 100 (Notable)
Las Vegas Muni AP	United States	Record daily snowfall	19.1 cm (7.5 in)	40 of 100 (Notable)
Charam	Australia	Record daily precipitation	28.7 mm (1.1 in)	39 of 100 (Notable)
Coliban Upper	Australia	Record daily precipitation	49.3 mm (1.9 in)	39 of 100 (Notable)
Kilmore Assumption College	Australia	Record daily precipitation	27.7 mm (1.1 in)	39 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	36.8 C (98.2 F)	38 of 100 (Notable)
Rupanyup (Post Office)	Australia	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Avoca (Post Office)	Australia	Record daily precipitation	37.1 mm (1.5 in)	38 of 100 (Notable)
Bungaree (Kirks Reservoir)	Australia	Record daily precipitation	34.5 mm (1.4 in)	38 of 100 (Notable)
Northdown (Hamley)	Australia	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Moorleah (Preolenna Road)	Australia	Record daily precipitation	31.2 mm (1.2 in)	38 of 100 (Notable)

Counts by Type and Timescale

714 records

Records set or tied on 31 January 1973 by type: Highest daily maximum 24, Lowest daily maximum 68, Highest daily minimum 54, Lowest daily minimum 61, Heaviest daily rainfall 475, Heaviest daily snowfall 26, Deepest snow cover 6.

Records on 31 January 1973 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	68
Highest daily minimum	54
Lowest daily minimum	61
Heaviest daily rainfall	475
Heaviest daily snowfall	26
Deepest snow cover	6

Records on 31 January 1973 by timescale: all-time 1, monthly 7, daily 706.

How Much Records Were Beaten By

644 broken records

Margins by which the 644 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 228.0. Ties are not counted.

Top 20 by Significance

31 January 1973

Top 20 records on 31 January 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 January 1973	Wartook Reservoir, AU	daily rain	61.0 mm (2.4 in)	46.5 mm (1.8 in)	57 years	63 of 100 (Major)
31 January 1973	Brunette Downs, AU	daily rain	115.8 mm (4.6 in)	65.0 mm (2.6 in)	81 years	62 of 100 (Major)
31 January 1973	Nhill, AU	daily rain	62.2 mm (2.4 in)	50.3 mm (2.0 in)	44 years	62 of 100 (Major)
31 January 1973	Frances, AU	daily rain	41.9 mm (1.6 in)	35.8 mm (1.4 in)	44 years	61 of 100 (Major)
31 January 1973	Nhill (Woorak), AU	daily rain	65.0 mm (2.6 in)	54.8 mm (2.2 in)	44 years	61 of 100 (Major)
31 January 1973	Brinkworth (Anama Park), AU	daily rain	34.3 mm (1.4 in)	26.4 mm (1.0 in)	65 years	59 of 100 (Notable)
31 January 1973	Horsham Polkemmet Rd, AU	daily rain	54.9 mm (2.2 in)	43.5 mm (1.7 in)	20 years	56 of 100 (Notable)
31 January 1973	Karnak (Rosedale), AU	daily rain	44.5 mm (1.8 in)	34.3 mm (1.4 in)	28 years	56 of 100 (Notable)
31 January 1973	Goroke (Kangawall), AU	daily rain	50.8 mm (2.0 in)	41.9 mm (1.6 in)	28 years	55 of 100 (Notable)
31 January 1973	Natimuk, AU	daily rain	51.6 mm (2.0 in)	44.7 mm (1.8 in)	24 years	55 of 100 (Notable)
31 January 1973	Powell Creek, AU	daily rain	124.5 mm (4.9 in)	49.3 mm (1.9 in)	56 years	54 of 100 (Notable)
31 January 1973	Glenlee, AU	daily rain	46.7 mm (1.8 in)	40.9 mm (1.6 in)	20 years	54 of 100 (Notable)
31 January 1973	Gerang Gerung, AU	daily rain	58.4 mm (2.3 in)	41.1 mm (1.6 in)	23 years	53 of 100 (Notable)
31 January 1973	Drung Drung, AU	daily rain	61.5 mm (2.4 in)	51.6 mm (2.0 in)	20 years	52 of 100 (Notable)
31 January 1973	Las Vegas 2 NW, US	daily snowfall	17.8 cm (7.0 in)	15.3 cm (6.0 in)	51 years	52 of 100 (Notable)
31 January 1973	Minyip (Post Office), AU	daily rain	39.9 mm (1.6 in)	31.5 mm (1.2 in)	44 years	51 of 100 (Notable)
31 January 1973	Bellellen, AU	daily rain	52.6 mm (2.1 in)	43.2 mm (1.7 in)	15 years	51 of 100 (Notable)
31 January 1973	Nhill (Salisbury (Lynbar)), AU	daily rain	68.6 mm (2.7 in)	60.5 mm (2.4 in)	20 years	50 of 100 (Notable)
31 January 1973	Eberys, AU	daily rain	41.9 mm (1.6 in)	27.2 mm (1.1 in)	44 years	48 of 100 (Notable)
31 January 1973	Waikerie (Ramco), AU	daily rain	32.0 mm (1.3 in)	23.4 mm (0.9 in)	65 years	47 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

1800 to 1973

Records set or tied on this calendar date in each year from 1800 to 1973. 1973 had 714 records.

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

Records on 01-31 in each year
Year	Records
1800	1
1801	1
1830	2
1843	1
1846	1
1850	1
1852	1
1853	2
1854	2
1862	1
1863	2
1868	1
1869	2
1870	1
1873	1
1875	1
1877	1
1878	2
1880	1
1882	1
1883	1
1884	5
1885	1
1886	2
1887	1
1888	3
1889	3
1890	2
1892	1
1893	9
1894	1
1895	3
1896	1
1897	2
1898	7
1899	7
1900	5
1901	4
1902	10
1903	3
1904	6
1905	21
1906	17
1907	8
1908	36
1909	27
1910	10
1911	52
1912	20
1913	49
1914	36
1915	115
1916	94
1917	190
1918	150
1919	14
1920	113
1921	29
1922	55
1923	152
1924	203
1925	134
1926	204
1927	64
1928	47
1929	263
1930	83
1931	326
1932	153
1933	212
1934	597
1935	431
1936	830
1937	309
1938	362
1939	323
1940	361
1941	354
1942	273
1943	698
1944	232
1945	943
1946	359
1947	788
1948	600
1949	1,058
1950	1,022
1951	1,192
1952	519
1953	879
1954	744
1955	383
1956	434
1957	563
1958	692
1959	237
1960	349
1961	475
1962	686
1963	928
1964	402
1965	696
1966	1,295
1967	637
1968	524
1969	703
1970	209
1971	1,506
1972	426
1973	714
1974	1,128
1975	1,110
1976	569
1977	781
1978	844
1979	1,995
1980	757
1981	687
1982	1,287
1983	1,078
1984	610
1985	1,725
1986	616
1987	787
1988	1,582
1989	1,718
1990	821
1991	617
1992	1,573
1993	856
1994	1,049
1995	1,122
1996	1,594
1997	898
1998	641
1999	938
2000	1,115
2001	1,061
2002	3,080
2003	1,281
2004	1,392
2005	767
2006	722
2007	713
2008	704
2009	552
2010	1,311
2011	741
2012	1,037
2013	1,397
2014	986
2015	663
2016	1,147
2017	575
2018	564
2019	1,426
2020	1,031
2021	504
2022	255
2023	907
2024	1,117
2025	827
2026	839

Download the Data

Data for records on 1973-01-31: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	625
50 to 100	13
100 to 150	3
150 to 200	2
200 to 250	1