Weather Records on 31 January 2021

504 weather records were set or tied worldwide on 31 January 2021. Highest significance: Myroodah, AU.

Key Facts for 31 January 2021

On 31 January 2021, 504 weather records were set or tied at long-record stations worldwide.
109 were record highs and 33 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 494 daily.
Myroodah set a daily record precipitation of 260.0 mm (10.2 in) on 31 January 2021.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 502 records.

Record Map

504 stations

504 station records on 31 January 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 January 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Myroodah	Australia	Record daily precipitation	260.0 mm (10.2 in)	80 of 100 (Exceptional)
Hopewell	United States	Record daily precipitation	59.7 mm (2.4 in)	68 of 100 (Major)
Erzincan	Turkey	Record daily precipitation	110.0 mm (4.3 in)	67 of 100 (Major)
Decatur 1 N	United States	Record daily snowfall	17.8 cm (7.0 in)	65 of 100 (Major)
Columbia City	United States	Record daily snowfall	17.8 cm (7.0 in)	57 of 100 (Notable)
Tabora Airport	Tanzania	Record daily precipitation	99.1 mm (3.9 in)	56 of 100 (Notable)
Logansport Cicott St	United States	Record daily snowfall	16.5 cm (6.5 in)	56 of 100 (Notable)
Lowell Wwtp	United States	Record daily snowfall	22.9 cm (9.0 in)	56 of 100 (Notable)
Rochester	United States	Record daily snowfall	17.8 cm (7.0 in)	56 of 100 (Notable)
Winamac 2SSE	United States	Record daily snowfall	17.8 cm (7.0 in)	56 of 100 (Notable)
Erzurum	Turkey	Record daily precipitation	80.0 mm (3.1 in)	55 of 100 (Notable)
Van Wert 1 S	United States	Record daily snowfall	15.0 cm (5.9 in)	55 of 100 (Notable)
Defiance	United States	Record daily precipitation	38.1 mm (1.5 in)	53 of 100 (Notable)
Peotone	United States	Record daily snowfall	21.8 cm (8.6 in)	52 of 100 (Notable)
Defiance	United States	Record daily snowfall	12.7 cm (5.0 in)	52 of 100 (Notable)
Pardoo Station	Australia	Record daily precipitation	168.0 mm (6.6 in)	51 of 100 (Notable)
Iskenderun	Turkey	Record daily precipitation	70.1 mm (2.8 in)	51 of 100 (Notable)
Rensselaer Wwtp	United States	Record daily snowfall	20.8 cm (8.2 in)	51 of 100 (Notable)
Eldorado Springs	United States	Record daily precipitation	27.2 mm (1.1 in)	50 of 100 (Notable)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	28.2 mm (1.1 in)	49 of 100 (Notable)
Walnut	United States	Record daily snowfall	12.7 cm (5.0 in)	49 of 100 (Notable)
Nana Glen (Cowling Close)	Australia	Record daily precipitation	108.0 mm (4.3 in)	48 of 100 (Notable)
Lower Boro (Calderwood)	Australia	Record daily precipitation	53.4 mm (2.1 in)	48 of 100 (Notable)
Lakeville	United States	Record daily snowfall	17.8 cm (7.0 in)	48 of 100 (Notable)
Port Moresby W.O.	Papua New Guinea	Record daily precipitation	105.9 mm (4.2 in)	47 of 100 (Notable)
Cedar Rapids #1	United States	Record daily snowfall	13.2 cm (5.2 in)	47 of 100 (Notable)
Penang	Fiji	Record daily precipitation	299.4 mm (11.8 in)	46 of 100 (Notable)
Matuku	Fiji	Record daily precipitation	160.5 mm (6.3 in)	45 of 100 (Notable)
Fremont	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
London State Fish Hatchery	United States	Record daily snowfall	12.2 cm (4.8 in)	45 of 100 (Notable)
Germantown Wastewater Utility	United States	Record daily snowfall	19.6 cm (7.7 in)	45 of 100 (Notable)
Trujillo Alto 2 SSW	Puerto Rico [United States]	Record daily precipitation	63.8 mm (2.5 in)	44 of 100 (Notable)
Oguzeli	Turkey	Record daily precipitation	42.9 mm (1.7 in)	44 of 100 (Notable)
Joliet Brandon Road Lock/Dam	United States	Record daily snowfall	17.8 cm (7.0 in)	44 of 100 (Notable)
Mackinaw 3WSW	United States	Record daily precipitation	37.1 mm (1.5 in)	44 of 100 (Notable)
Erie	United States	Record daily precipitation	27.4 mm (1.1 in)	44 of 100 (Notable)
Marysville	United States	Record daily snowfall	7.1 cm (2.8 in)	44 of 100 (Notable)
Bear Gap	United States	Record daily snowfall	17.3 cm (6.8 in)	44 of 100 (Notable)
Tizi Ouzou	Algeria	Record high minimum temperature	14.3 C (57.7 F)	43 of 100 (Notable)
Kankakee Wwtp	United States	Record daily snowfall	17.8 cm (7.0 in)	43 of 100 (Notable)
New Carlisle	United States	Record daily snowfall	6.4 cm (2.5 in)	43 of 100 (Notable)
Staunton Wtp	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Francesville	United States	Record daily snowfall	16.3 cm (6.4 in)	42 of 100 (Notable)
Tipton 5 SW	United States	Record daily snowfall	14.0 cm (5.5 in)	42 of 100 (Notable)
Millersburg	United States	Record daily snowfall	6.1 cm (2.4 in)	42 of 100 (Notable)
Pittsburgh ASOS	United States	Record daily snowfall	11.4 cm (4.5 in)	42 of 100 (Notable)
Marion	United States	Record daily snowfall	6.4 cm (2.5 in)	41 of 100 (Notable)
Beloit	United States	Record snow depth	40.6 cm (16.0 in)	41 of 100 (Notable)
Wilmington Intl AP	United States	Record daily precipitation	36.6 mm (1.4 in)	41 of 100 (Notable)
Burlington 2S	United States	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Elkader 6 SSW	United States	Record daily snowfall	13.2 cm (5.2 in)	40 of 100 (Notable)
Mansfield Lahm Rgnl AP	United States	Record daily snowfall	14.7 cm (5.8 in)	40 of 100 (Notable)
Dampier Downs	Australia	Record daily precipitation	127.0 mm (5.0 in)	39 of 100 (Notable)
Madison	United States	Record daily precipitation	39.9 mm (1.6 in)	38 of 100 (Notable)
Dubrovnik	Croatia	Record daily precipitation	43.8 mm (1.7 in)	37 of 100 (Notable)
Belle Plaine	United States	Record daily snowfall	11.4 cm (4.5 in)	37 of 100 (Notable)
Dutch Harbor	United States	Record high minimum temperature	4.4 C (39.9 F)	37 of 100 (Notable)
Bolton Point (the Ridge Way)	Australia	Record daily precipitation	39.8 mm (1.6 in)	36 of 100 (Notable)
Vinton	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
Hermann	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)

Counts by Type and Timescale

504 records

Records set or tied on 31 January 2021 by type: Highest daily maximum 40, Lowest daily maximum 10, Highest daily minimum 69, Lowest daily minimum 23, Heaviest daily rainfall 230, Heaviest daily snowfall 111, Deepest snow cover 21.

Records on 31 January 2021 by type
Record type	Records
Highest daily maximum	40
Lowest daily maximum	10
Highest daily minimum	69
Lowest daily minimum	23
Heaviest daily rainfall	230
Heaviest daily snowfall	111
Deepest snow cover	21

Records on 31 January 2021 by timescale: all-time 0, monthly 10, daily 494.

How Much Records Were Beaten By

433 broken records

Margins by which the 433 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 356.0. Ties are not counted.

Top 20 by Significance

31 January 2021

Top 20 records on 31 January 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 January 2021	Myroodah, AU	daily rain	260.0 mm (10.2 in)	169.3 mm (6.7 in)	105 years	80 of 100 (Exceptional)
31 January 2021	Hopewell, US	daily rain	59.7 mm (2.4 in)	39.9 mm (1.6 in)	72 years	68 of 100 (Major)
31 January 2021	Erzincan, TR	monthly rain	110.0 mm (4.3 in)	30.0 mm (1.2 in)	40 years	67 of 100 (Major)
31 January 2021	Decatur 1 N, US	daily snowfall	17.8 cm (7.0 in)	11.4 cm (4.5 in)	87 years	65 of 100 (Major)
31 January 2021	Columbia City, US	daily snowfall	17.8 cm (7.0 in)	14.0 cm (5.5 in)	37 years	57 of 100 (Notable)
31 January 2021	Tabora Airport, TZ	daily rain	99.1 mm (3.9 in)	51.3 mm (2.0 in)	69 years	56 of 100 (Notable)
31 January 2021	Logansport Cicott St, US	daily snowfall	16.5 cm (6.5 in)	6.3 cm (2.5 in)	107 years	56 of 100 (Notable)
31 January 2021	Lowell Wwtp, US	daily snowfall	22.9 cm (9.0 in)	17.8 cm (7.0 in)	52 years	56 of 100 (Notable)
31 January 2021	Rochester, US	daily snowfall	17.8 cm (7.0 in)	7.6 cm (3.0 in)	109 years	56 of 100 (Notable)
31 January 2021	Winamac 2SSE, US	daily snowfall	17.8 cm (7.0 in)	7.6 cm (3.0 in)	92 years	56 of 100 (Notable)
31 January 2021	Erzurum, TR	monthly rain	80.0 mm (3.1 in)	20.1 mm (0.8 in)	2 years	55 of 100 (Notable)
31 January 2021	Van Wert 1 S, US	daily snowfall	15.0 cm (5.9 in)	9.9 cm (3.9 in)	70 years	55 of 100 (Notable)
31 January 2021	Defiance, US	daily rain	38.1 mm (1.5 in)	14.0 mm (0.6 in)	79 years	53 of 100 (Notable)
31 January 2021	Peotone, US	daily snowfall	21.8 cm (8.6 in)	9.1 cm (3.6 in)	79 years	52 of 100 (Notable)
31 January 2021	Defiance, US	daily snowfall	12.7 cm (5.0 in)	6.3 cm (2.5 in)	82 years	52 of 100 (Notable)
31 January 2021	Pardoo Station, AU	daily rain	168.0 mm (6.6 in)	111.4 mm (4.4 in)	5 years	51 of 100 (Notable)
31 January 2021	Iskenderun, TR	daily rain	70.1 mm (2.8 in)	42.2 mm (1.7 in)	27 years	51 of 100 (Notable)
31 January 2021	Rensselaer Wwtp, US	daily snowfall	20.8 cm (8.2 in)	20.0 cm (7.9 in)	21 years	51 of 100 (Notable)
31 January 2021	Eldorado Springs, US	daily rain	27.2 mm (1.1 in)	10.4 mm (0.4 in)	114 years	50 of 100 (Notable)
31 January 2021	Aibonito 1 S, PR	daily rain	28.2 mm (1.1 in)	7.9 mm (0.31 in)	98 years	49 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 2021

Records set or tied on this calendar date in each year from 1800 to 2021. 2021 had 504 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 2021-01-31: 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	378
50 to 100	37
100 to 150	8
150 to 200	6
200 to 250	2
250 to 300	1
300 to 350	0
350 to 400	1