Weather Records on 31 January 1977

781 weather records were set or tied worldwide on 31 January 1977. Highest significance: Potgietersrus, ZA.

Key Facts for 31 January 1977

On 31 January 1977, 781 weather records were set or tied at long-record stations worldwide.
40 were record highs and 232 were record lows, counting maximum and minimum temperature.
By timescale, 30 were all-time records, 40 monthly and 711 daily.
Potgietersrus set a daily record precipitation of 96.5 mm (3.8 in) on 31 January 1977.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 500 records.

Record Map

781 stations

781 station records on 31 January 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 January 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Potgietersrus	South Africa	Record daily precipitation	96.5 mm (3.8 in)	60 of 100 (Major)
Dunkeld	South Africa	Record daily precipitation	82.0 mm (3.2 in)	58 of 100 (Notable)
Plain Dealing	United States	Record daily snowfall	11.4 cm (4.5 in)	58 of 100 (Notable)
Marshall	United States	Record daily snowfall	14.0 cm (5.5 in)	58 of 100 (Notable)
Corsicana	United States	Record daily snowfall	12.7 cm (5.0 in)	57 of 100 (Notable)
Klipdrift	South Africa	Record daily precipitation	98.0 mm (3.9 in)	55 of 100 (Notable)
Leakesville 6 WSW	United States	Record daily snowfall	11.4 cm (4.5 in)	54 of 100 (Notable)
Port Gibson 1 NE	United States	Record daily snowfall	11.4 cm (4.5 in)	54 of 100 (Notable)
Mamakuil	South Africa	Record daily precipitation	113.5 mm (4.5 in)	53 of 100 (Notable)
Enterprise	United States	Record daily snowfall	10.2 cm (4.0 in)	53 of 100 (Notable)
Mochudi	Botswana	Record daily precipitation	88.6 mm (3.5 in)	52 of 100 (Notable)
Maraisburg (Gm)	South Africa	Record daily precipitation	91.0 mm (3.6 in)	51 of 100 (Notable)
Clanton	United States	Record daily snowfall	10.2 cm (4.0 in)	51 of 100 (Notable)
Selma	United States	Record daily snowfall	10.2 cm (4.0 in)	51 of 100 (Notable)
Uniontown	United States	Record daily snowfall	10.2 cm (4.0 in)	51 of 100 (Notable)
Franco da Rocha (Hosp.Juqueri)	Brazil	Record daily precipitation	87.2 mm (3.4 in)	50 of 100 (Notable)
Hope 3 NE	United States	Record daily snowfall	7.1 cm (2.8 in)	50 of 100 (Notable)
Canton 4N	United States	Record daily snowfall	8.9 cm (3.5 in)	50 of 100 (Notable)
Beatrice	Canada	Record daily snowfall	22.9 cm (9.0 in)	49 of 100 (Notable)
Reitz 36	South Africa	Record daily precipitation	57.0 mm (2.2 in)	49 of 100 (Notable)
Du Quoin 4 SE	United States	Record snow depth	20.3 cm (8.0 in)	49 of 100 (Notable)
Witsieshoek	South Africa	Record daily precipitation	77.0 mm (3.0 in)	48 of 100 (Notable)
Hartebeestpoort	South Africa	Record daily precipitation	87.0 mm (3.4 in)	48 of 100 (Notable)
Durban Roodepoort Deep Gm	South Africa	Record daily precipitation	80.0 mm (3.1 in)	48 of 100 (Notable)
Highland Home	United States	Record daily snowfall	7.6 cm (3.0 in)	48 of 100 (Notable)
Hattiesburg 5SW	United States	Record daily snowfall	7.6 cm (3.0 in)	48 of 100 (Notable)
Miamisburg	United States	Record snow depth	22.9 cm (9.0 in)	48 of 100 (Notable)
Archer City 2W	United States	Record daily snowfall	15.5 cm (6.1 in)	48 of 100 (Notable)
Forestburg 5 S	United States	Record snow depth	25.4 cm (10.0 in)	47 of 100 (Notable)
Decatur Wtp	United States	Record snow depth	35.6 cm (14.0 in)	46 of 100 (Notable)
Wiarton A	Canada	Record daily precipitation	26.0 mm (1.0 in)	45 of 100 (Notable)
Potchefstroom;Braksp	South Africa	Record daily precipitation	131.3 mm (5.2 in)	45 of 100 (Notable)
Heartsease	South Africa	Record daily precipitation	155.0 mm (6.1 in)	44 of 100 (Notable)
Catharinasvlei	South Africa	Record daily precipitation	80.0 mm (3.1 in)	44 of 100 (Notable)
Butler	United States	Record daily snowfall	5.1 cm (2.0 in)	44 of 100 (Notable)
Antelope	United States	Record daily snowfall	9.7 cm (3.8 in)	44 of 100 (Notable)
Jhb-Braamfontein (Cem)	South Africa	Record daily precipitation	78.0 mm (3.1 in)	43 of 100 (Notable)
Evergreen	United States	Record daily snowfall	6.4 cm (2.5 in)	43 of 100 (Notable)
La Grange 1N	United States	Record daily snowfall	5.1 cm (2.0 in)	43 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record daily snowfall	23.4 cm (9.2 in)	43 of 100 (Notable)
Columbia	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Merrill	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Aiken 5SE	United States	Record daily snowfall	5.1 cm (2.0 in)	43 of 100 (Notable)
Corsicana	United States	Record snow depth	12.7 cm (5.0 in)	43 of 100 (Notable)
Jaguarari	Brazil	Record daily precipitation	52.0 mm (2.0 in)	42 of 100 (Notable)
Richmond	Canada	Record daily snowfall	11.4 cm (4.5 in)	42 of 100 (Notable)
McGregor	United States	Record daily snowfall	5.1 cm (2.0 in)	42 of 100 (Notable)
Usina Esmeril (Cpfl) B4-005	Brazil	Record daily precipitation	93.5 mm (3.7 in)	41 of 100 (Notable)
Santa Rita Do Massaim	Brazil	Record daily precipitation	81.4 mm (3.2 in)	41 of 100 (Notable)
Aquidaba	Brazil	Record daily precipitation	55.8 mm (2.2 in)	41 of 100 (Notable)
Troy	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Olney 2S	United States	Record snow depth	40.6 cm (16.0 in)	41 of 100 (Notable)
Lebanon 2W	United States	Record snow depth	12.7 cm (5.0 in)	41 of 100 (Notable)
Albany	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Dialville 2 W	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Graham	United States	Record daily snowfall	8.9 cm (3.5 in)	41 of 100 (Notable)
Jhb-Turffontein	South Africa	Record daily precipitation	74.0 mm (2.9 in)	40 of 100 (Notable)
Glennville 3NW	United States	Record daily snowfall	5.1 cm (2.0 in)	40 of 100 (Notable)
Oriente	Brazil	Record daily precipitation	73.5 mm (2.9 in)	39 of 100 (Notable)
Barrocada	Brazil	Record daily precipitation	67.7 mm (2.7 in)	39 of 100 (Notable)

Counts by Type and Timescale

781 records

Records set or tied on 31 January 1977 by type: Highest daily maximum 17, Lowest daily maximum 154, Highest daily minimum 23, Lowest daily minimum 78, Heaviest daily rainfall 228, Heaviest daily snowfall 124, Deepest snow cover 157.

Records on 31 January 1977 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	154
Highest daily minimum	23
Lowest daily minimum	78
Heaviest daily rainfall	228
Heaviest daily snowfall	124
Deepest snow cover	157

Records on 31 January 1977 by timescale: all-time 30, monthly 40, daily 711.

How Much Records Were Beaten By

641 broken records

Margins by which the 641 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

31 January 1977

Top 20 records on 31 January 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 January 1977	Potgietersrus, ZA	daily rain	96.5 mm (3.8 in)	62.0 mm (2.4 in)	60 years	60 of 100 (Major)
31 January 1977	Dunkeld, ZA	daily rain	82.0 mm (3.2 in)	41.9 mm (1.6 in)	59 years	58 of 100 (Notable)
31 January 1977	Plain Dealing, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	83 years	58 of 100 (Notable)
31 January 1977	Marshall, US	all-time snowfall	14.0 cm (5.5 in)	3.8 cm (1.5 in)	77 years	58 of 100 (Notable)
31 January 1977	Corsicana, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	81 years	57 of 100 (Notable)
31 January 1977	Klipdrift, ZA	all-time rain	98.0 mm (3.9 in)	24.1 mm (0.9 in)	33 years	55 of 100 (Notable)
31 January 1977	Leakesville 6 WSW, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	81 years	54 of 100 (Notable)
31 January 1977	Port Gibson 1 NE, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	81 years	54 of 100 (Notable)
31 January 1977	Mamakuil, ZA	daily rain	113.5 mm (4.5 in)	64.7 mm (2.5 in)	29 years	53 of 100 (Notable)
31 January 1977	Enterprise, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	83 years	53 of 100 (Notable)
31 January 1977	Mochudi, BW	daily rain	88.6 mm (3.5 in)	57.6 mm (2.3 in)	22 years	52 of 100 (Notable)
31 January 1977	Maraisburg (Gm), ZA	daily rain	91.0 mm (3.6 in)	56.5 mm (2.2 in)	14 years	51 of 100 (Notable)
31 January 1977	Clanton, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	79 years	51 of 100 (Notable)
31 January 1977	Selma, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	79 years	51 of 100 (Notable)
31 January 1977	Uniontown, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	79 years	51 of 100 (Notable)
31 January 1977	Franco da Rocha (Hosp.Juqueri), BR	daily rain	87.2 mm (3.4 in)	55.2 mm (2.2 in)	34 years	50 of 100 (Notable)
31 January 1977	Hope 3 NE, US	daily snowfall	7.1 cm (2.8 in)	7.1 cm (2.8 in)	83 years	50 of 100 (Notable)
31 January 1977	Canton 4N, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	83 years	50 of 100 (Notable)
31 January 1977	Beatrice, CA	daily snowfall	22.9 cm (9.0 in)	10.2 cm (4.0 in)	77 years	49 of 100 (Notable)
31 January 1977	Reitz 36, ZA	daily rain	57.0 mm (2.2 in)	27.5 mm (1.1 in)	69 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 1977

Records set or tied on this calendar date in each year from 1800 to 1977. 1977 had 781 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 1977-01-31: 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	499
50 to 100	103
100 to 150	29
150 to 200	6
200 to 250	4