Weather Records on 30 January 1977

759 weather records were set or tied worldwide on 30 January 1977. Highest significance: Dunedin, ZA.

Key Facts for 30 January 1977

On 30 January 1977, 759 weather records were set or tied at long-record stations worldwide.
60 were record highs and 341 were record lows, counting maximum and minimum temperature.
By timescale, 12 were all-time records, 23 monthly and 724 daily.
Dunedin set a daily record precipitation of 67.0 mm (2.6 in) on 30 January 1977.
Across 162 earlier years (1796 to 2026) the same calendar date averaged 503 records.

Record Map

759 stations

759 station records on 30 January 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 January 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dunedin	South Africa	Record daily precipitation	67.0 mm (2.6 in)	65 of 100 (Major)
Forestburg 5 S	United States	Record daily snowfall	27.9 cm (11.0 in)	64 of 100 (Major)
Grootpoort	South Africa	Record daily precipitation	96.6 mm (3.8 in)	56 of 100 (Notable)
Bochil	Mexico	Record daily precipitation	33.8 mm (1.3 in)	55 of 100 (Notable)
Hartbeespoort Dam (Irr)	South Africa	Record daily precipitation	131.2 mm (5.2 in)	54 of 100 (Notable)
Decatur Wtp	United States	Record snow depth	35.6 cm (14.0 in)	53 of 100 (Notable)
Molepolole	Botswana	Record daily precipitation	70.7 mm (2.8 in)	52 of 100 (Notable)
Maraisburg (Gm)	South Africa	Record daily precipitation	84.0 mm (3.3 in)	52 of 100 (Notable)
Watertown	United States	Record daily snowfall	40.6 cm (16.0 in)	51 of 100 (Notable)
Catharinasvlei	South Africa	Record daily precipitation	68.0 mm (2.7 in)	50 of 100 (Notable)
Pana	United States	Record snow depth	25.4 cm (10.0 in)	46 of 100 (Notable)
Dialville 2 W	United States	Record daily snowfall	7.6 cm (3.0 in)	46 of 100 (Notable)
Elim (Hosp)	South Africa	Record daily precipitation	131.5 mm (5.2 in)	45 of 100 (Notable)
Bolivar	United States	Record low maximum temperature	-16.7 C (1.9 F)	43 of 100 (Notable)
Miamisburg	United States	Record snow depth	22.9 cm (9.0 in)	43 of 100 (Notable)
Mogi-Mirim	Brazil	Record daily precipitation	79.4 mm (3.1 in)	42 of 100 (Notable)
Leeupoort	South Africa	Record daily precipitation	70.0 mm (2.8 in)	42 of 100 (Notable)
Elephant Butte Dam	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Forestburg 5 S	United States	Record snow depth	27.9 cm (11.0 in)	42 of 100 (Notable)
Thurber 5 NE	United States	Record daily snowfall	8.9 cm (3.5 in)	42 of 100 (Notable)
Olney 2S	United States	Record snow depth	40.6 cm (16.0 in)	41 of 100 (Notable)
Mimbres 4NNW	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Jhb-Turffontein	South Africa	Record daily precipitation	58.3 mm (2.3 in)	40 of 100 (Notable)
Greenville	United States	Record snow depth	20.3 cm (8.0 in)	40 of 100 (Notable)
Montpelier	United States	Record low maximum temperature	-17.8 C (0.0 F)	40 of 100 (Notable)
Ottosdal	South Africa	Record daily precipitation	54.0 mm (2.1 in)	39 of 100 (Notable)
Bowling Green Wwtp	United States	Record snow depth	27.9 cm (11.0 in)	39 of 100 (Notable)
Kasane	Botswana	Record daily precipitation	124.0 mm (4.9 in)	38 of 100 (Notable)
De Hoek (Bos)	South Africa	Record daily precipitation	140.5 mm (5.5 in)	38 of 100 (Notable)
Champaign 3S	United States	Record snow depth	22.9 cm (9.0 in)	38 of 100 (Notable)
Toledo Blade	United States	Record low maximum temperature	-14.4 C (6.1 F)	38 of 100 (Notable)
Jhb-Joubert Park	South Africa	Record daily precipitation	72.0 mm (2.8 in)	37 of 100 (Notable)
Tshakhuma	South Africa	Record daily precipitation	156.5 mm (6.2 in)	37 of 100 (Notable)
Windsor	United States	Record snow depth	30.5 cm (12.0 in)	37 of 100 (Notable)
Mana 1026	United States	Record low maximum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Bambui	Brazil	Record daily precipitation	75.0 mm (3.0 in)	36 of 100 (Notable)
Usina Ester	Brazil	Record daily precipitation	69.1 mm (2.7 in)	36 of 100 (Notable)
Weltevrede	South Africa	Record daily precipitation	46.5 mm (1.8 in)	36 of 100 (Notable)
Louwsburg (Mag)	South Africa	Record daily precipitation	96.0 mm (3.8 in)	36 of 100 (Notable)
Vaalkop	South Africa	Record daily precipitation	98.0 mm (3.9 in)	36 of 100 (Notable)
Edwardsport Pwr Plt	United States	Record snow depth	17.8 cm (7.0 in)	36 of 100 (Notable)
Farmland 5 NNW	United States	Record snow depth	27.9 cm (11.0 in)	36 of 100 (Notable)
Lawrence	United States	Record snow depth	40.6 cm (16.0 in)	36 of 100 (Notable)
Port Stanley	Canada	Record low maximum temperature	-11.7 C (10.9 F)	35 of 100 (Notable)
Waterkloof	South Africa	Record daily precipitation	52.4 mm (2.1 in)	35 of 100 (Notable)
Beerlaagte	South Africa	Record daily precipitation	39.5 mm (1.6 in)	34 of 100 (Routine)
Pretoria-Fountains	South Africa	Record daily precipitation	60.0 mm (2.4 in)	34 of 100 (Routine)
Palestine	United States	Record snow depth	25.4 cm (10.0 in)	34 of 100 (Routine)
Watseka Public Works	United States	Record low minimum temperature	-27.8 C (-18.0 F)	34 of 100 (Routine)
Plymouth Pwr Substn	United States	Record snow depth	38.1 cm (15.0 in)	34 of 100 (Routine)
Bowman	United States	Record snow depth	40.6 cm (16.0 in)	34 of 100 (Routine)
Pelee Island	Canada	Record low maximum temperature	-15.6 C (3.9 F)	33 of 100 (Routine)
Ridgetown	Canada	Record low maximum temperature	-12.8 C (9.0 F)	33 of 100 (Routine)
Hovlandsdal	Norway	Record snow depth	60.0 cm (23.6 in)	33 of 100 (Routine)
Vrede-Mun	South Africa	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)
Harrisburg	United States	Record snow depth	25.4 cm (10.0 in)	33 of 100 (Routine)
Adams	United States	Record low maximum temperature	-12.8 C (9.0 F)	33 of 100 (Routine)
Oberlin	United States	Record low maximum temperature	-12.8 C (9.0 F)	33 of 100 (Routine)
Torrington Exp Farm	United States	Record daily snowfall	6.4 cm (2.5 in)	33 of 100 (Routine)
Arad	Romania	Record high minimum temperature	6.1 C (43.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

759 records

Records set or tied on 30 January 1977 by type: Highest daily maximum 28, Lowest daily maximum 248, Highest daily minimum 32, Lowest daily minimum 93, Heaviest daily rainfall 201, Heaviest daily snowfall 34, Deepest snow cover 123.

Records on 30 January 1977 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	248
Highest daily minimum	32
Lowest daily minimum	93
Heaviest daily rainfall	201
Heaviest daily snowfall	34
Deepest snow cover	123

Records on 30 January 1977 by timescale: all-time 12, monthly 23, daily 724.

How Much Records Were Beaten By

616 broken records

Margins by which the 616 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

30 January 1977

Top 20 records on 30 January 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 January 1977	Dunedin, ZA	daily rain	67.0 mm (2.6 in)	45.2 mm (1.8 in)	65 years	65 of 100 (Major)
30 January 1977	Forestburg 5 S, US	daily snowfall	27.9 cm (11.0 in)	20.3 cm (8.0 in)	79 years	64 of 100 (Major)
30 January 1977	Grootpoort, ZA	daily rain	96.6 mm (3.8 in)	66.1 mm (2.6 in)	43 years	56 of 100 (Notable)
30 January 1977	Bochil, MX	monthly rain	33.8 mm (1.3 in)	17.0 mm (0.7 in)	9 years	55 of 100 (Notable)
30 January 1977	Hartbeespoort Dam (Irr), ZA	monthly rain	131.2 mm (5.2 in)	45.2 mm (1.8 in)	3 years	54 of 100 (Notable)
30 January 1977	Decatur Wtp, US	daily snow depth	35.6 cm (14.0 in)	17.8 cm (7.0 in)	73 years	53 of 100 (Notable)
30 January 1977	Molepolole, BW	daily rain	70.7 mm (2.8 in)	46.8 mm (1.8 in)	38 years	52 of 100 (Notable)
30 January 1977	Maraisburg (Gm), ZA	daily rain	84.0 mm (3.3 in)	31.7 mm (1.2 in)	70 years	52 of 100 (Notable)
30 January 1977	Watertown, US	daily snowfall	40.6 cm (16.0 in)	19.0 cm (7.5 in)	52 years	51 of 100 (Notable)
30 January 1977	Catharinasvlei, ZA	daily rain	68.0 mm (2.7 in)	54.5 mm (2.1 in)	22 years	50 of 100 (Notable)
30 January 1977	Pana, US	daily snow depth	25.4 cm (10.0 in)	12.7 cm (5.0 in)	75 years	46 of 100 (Notable)
30 January 1977	Dialville 2 W, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	78 years	46 of 100 (Notable)
30 January 1977	Elim (Hosp), ZA	daily rain	131.5 mm (5.2 in)	62.5 mm (2.5 in)	19 years	45 of 100 (Notable)
30 January 1977	Bolivar, US	daily low max	-16.7 C (1.9 F)	8.9 C (16.0 F)	72 years	43 of 100 (Notable)
30 January 1977	Miamisburg, US	daily snow depth	22.9 cm (9.0 in)	12.7 cm (5.0 in)	32 years	43 of 100 (Notable)
30 January 1977	Mogi-Mirim, BR	daily rain	79.4 mm (3.1 in)	51.0 mm (2.0 in)	24 years	42 of 100 (Notable)
30 January 1977	Leeupoort, ZA	daily rain	70.0 mm (2.8 in)	35.7 mm (1.4 in)	33 years	42 of 100 (Notable)
30 January 1977	Elephant Butte Dam, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	68 years	42 of 100 (Notable)
30 January 1977	Forestburg 5 S, US	daily snow depth	27.9 cm (11.0 in)	20.3 cm (8.0 in)	11 years	42 of 100 (Notable)
30 January 1977	Thurber 5 NE, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	66 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

1796 to 1977

Records set or tied on this calendar date in each year from 1796 to 1977. 1977 had 759 records.

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

Records on 01-30 in each year
Year	Records
1796	1
1801	2
1826	1
1830	2
1843	3
1846	3
1854	2
1855	1
1858	1
1859	1
1860	1
1862	1
1863	1
1867	2
1868	1
1869	1
1871	1
1872	1
1873	2
1879	1
1880	1
1881	2
1883	1
1884	4
1886	2
1887	1
1888	2
1890	1
1891	2
1892	4
1893	1
1894	1
1895	7
1897	1
1898	7
1899	7
1900	4
1901	5
1902	5
1903	11
1904	4
1905	8
1906	14
1907	9
1908	44
1909	27
1910	17
1911	35
1912	28
1913	35
1914	62
1915	58
1916	68
1917	113
1918	369
1919	33
1920	48
1921	41
1922	49
1923	126
1924	194
1925	179
1926	185
1927	141
1928	110
1929	416
1930	161
1931	648
1932	347
1933	137
1934	974
1935	305
1936	650
1937	379
1938	323
1939	630
1940	270
1941	380
1942	333
1943	470
1944	320
1945	275
1946	380
1947	1,314
1948	578
1949	1,271
1950	952
1951	1,227
1952	320
1953	508
1954	768
1955	435
1956	577
1957	638
1958	677
1959	282
1960	435
1961	464
1962	632
1963	738
1964	321
1965	772
1966	2,109
1967	885
1968	799
1969	1,258
1970	360
1971	1,370
1972	418
1973	578
1974	1,208
1975	934
1976	501
1977	759
1978	789
1979	2,085
1980	815
1981	654
1982	906
1983	785
1984	984
1985	678
1986	788
1987	1,006
1988	1,375
1989	1,508
1990	1,034
1991	766
1992	1,302
1993	764
1994	904
1995	924
1996	1,287
1997	793
1998	407
1999	1,169
2000	1,116
2001	1,319
2002	2,839
2003	1,086
2004	1,348
2005	906
2006	1,040
2007	673
2008	698
2009	737
2010	1,349
2011	668
2012	827
2013	1,984
2014	1,175
2015	658
2016	1,155
2017	507
2018	678
2019	990
2020	347
2021	442
2022	458
2023	1,298
2024	1,586
2025	688
2026	429

Download the Data

Data for records on 1977-01-30: 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	536
50 to 100	52
100 to 150	14
150 to 200	9
200 to 250	3
250 to 300	0
300 to 350	1
350 to 400	1