Weather Records on 31 December 1930

58 weather records were set or tied worldwide on 31 December 1930. Highest significance: Uniondale (Tnk), ZA.

Key Facts for 31 December 1930

On 31 December 1930, 58 weather records were set or tied at long-record stations worldwide.
10 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 58 daily.
Uniondale (Tnk) set a daily record precipitation of 28.2 mm (1.1 in) on 31 December 1930.
Across 157 earlier years (1797 to 2025) the same calendar date averaged 489 records.

Record Map

58 stations

58 station records on 31 December 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 December 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Uniondale (Tnk)	South Africa	Record daily precipitation	28.2 mm (1.1 in)	60 of 100 (Major)
Millwood (Bos)	South Africa	Record daily precipitation	80.3 mm (3.2 in)	55 of 100 (Notable)
Buffelsnek (Bos)	South Africa	Record daily precipitation	79.0 mm (3.1 in)	49 of 100 (Notable)
Georgetown Post Office	Australia	Record low minimum temperature	14.8 C (58.6 F)	39 of 100 (Notable)
Goudveld (Bos)	South Africa	Record daily precipitation	38.6 mm (1.5 in)	30 of 100 (Routine)
Old Halls Creek	Australia	Record daily precipitation	39.9 mm (1.6 in)	26 of 100 (Routine)
Lottering (Bos)	South Africa	Record daily precipitation	78.7 mm (3.1 in)	26 of 100 (Routine)
Herefoss	Norway	Record daily precipitation	34.4 mm (1.4 in)	25 of 100 (Routine)
Fraserburg	South Africa	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Mount Florance	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Hedal I Valdres	Norway	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Tbilisi	Georgia	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Kamferskraal	South Africa	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Aberdeen (Tnk)	South Africa	Record daily precipitation	1.0 mm (0.04 in)	19 of 100 (Routine)
Ganca	Azerbaijan	Record daily precipitation	5.1 mm (0.20 in)	18 of 100 (Routine)
Artern	Germany	Record daily precipitation	7.1 mm (0.28 in)	18 of 100 (Routine)
Mykland	Norway	Record daily precipitation	21.0 mm (0.8 in)	17 of 100 (Routine)
Strawberry Hill (Bos)	South Africa	Record daily precipitation	55.9 mm (2.2 in)	17 of 100 (Routine)
Winterhoek	South Africa	Record daily precipitation	19.1 mm (0.8 in)	17 of 100 (Routine)
Katberg (Bos)	South Africa	Record daily precipitation	38.9 mm (1.5 in)	16 of 100 (Routine)
Salisbury	United States	Record snow depth	2.5 cm (1.0 in)	16 of 100 (Routine)
Broome Post Office	Australia	Record low maximum temperature	30.3 C (86.5 F)	15 of 100 (Routine)
Ft Duchesne	United States	Record low maximum temperature	-13.3 C (8.1 F)	15 of 100 (Routine)
Richmond Post Office	Australia	Record low minimum temperature	15.0 C (59.0 F)	14 of 100 (Routine)
Charleville Post Office	Australia	Record low minimum temperature	15.0 C (59.0 F)	14 of 100 (Routine)
Ferrara	Italy	Record daily precipitation	11.4 mm (0.4 in)	14 of 100 (Routine)
Wolfridge (Bos)	South Africa	Record daily precipitation	22.6 mm (0.9 in)	14 of 100 (Routine)
Cofimvaba (Tnk)	South Africa	Record daily precipitation	21.3 mm (0.8 in)	14 of 100 (Routine)
Holbrook	United States	Record low minimum temperature	-20.6 C (-5.1 F)	14 of 100 (Routine)
Ashland	United States	Record high minimum temperature	4.4 C (39.9 F)	13 of 100 (Routine)
Bella Coola	Canada	Record high maximum temperature	5.0 C (41.0 F)	12 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low maximum temperature	-19.5 C (-3.1 F)	12 of 100 (Routine)
Astrakan	Russia	Record low maximum temperature	-16.6 C (2.1 F)	11 of 100 (Routine)
Corinne	United States	Record low minimum temperature	-23.3 C (-9.9 F)	11 of 100 (Routine)
Rauland	Norway	Record daily precipitation	14.0 mm (0.6 in)	10 of 100 (Routine)
Pesaro	Italy	Record daily precipitation	15.5 mm (0.6 in)	9 of 100 (Routine)
Mestad I Oddernes	Norway	Record daily precipitation	32.9 mm (1.3 in)	9 of 100 (Routine)
Middlesboro Fire Dept	United States	Record low minimum temperature	-12.2 C (10.0 F)	9 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	18.8 mm (0.7 in)	8 of 100 (Routine)
Elsinore	United States	Record low minimum temperature	-6.1 C (21.0 F)	8 of 100 (Routine)
Deseret	United States	Record low minimum temperature	-27.2 C (-17.0 F)	8 of 100 (Routine)
Karlstad	Sweden	Record high minimum temperature	2.0 C (35.6 F)	6 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high maximum temperature	22.5 C (72.5 F)	5 of 100 (Routine)
Montagu (Pol)	South Africa	Record daily precipitation	4.6 mm (0.18 in)	5 of 100 (Routine)
Ironton	United States	Record low minimum temperature	-14.4 C (6.1 F)	5 of 100 (Routine)
Mellette 4 W	United States	Record high maximum temperature	8.9 C (48.0 F)	5 of 100 (Routine)
Steytlerville (Mag)	South Africa	Record daily precipitation	8.9 mm (0.35 in)	4 of 100 (Routine)
Sveg	Sweden	Record high minimum temperature	-1.0 C (30.2 F)	3 of 100 (Routine)
Emerald Post Office	Australia	Record low minimum temperature	13.9 C (57.0 F)	2 of 100 (Routine)
Tewantin Post Office	Australia	Record high maximum temperature	33.3 C (91.9 F)	2 of 100 (Routine)
Kazalinsk	Kazakhstan	Record daily precipitation	1.8 mm (0.07 in)	2 of 100 (Routine)
Plant City	United States	Record low maximum temperature	15.6 C (60.1 F)	2 of 100 (Routine)
Dale Enterprise	United States	Record snow depth	7.6 cm (3.0 in)	2 of 100 (Routine)
Masset Airport	Canada	Record high minimum temperature	7.2 C (45.0 F)	1 of 100 (Routine)
Swift Current	Canada	Record high maximum temperature	4.4 C (39.9 F)	1 of 100 (Routine)
Hvar	Croatia	Record high maximum temperature	16.0 C (60.8 F)	1 of 100 (Routine)
The Dalles	United States	Record low maximum temperature	-1.1 C (30.0 F)	0 of 100 (Routine)

Counts by Type and Timescale

58 records

Records set or tied on 31 December 1930 by type: Highest daily maximum 6, Lowest daily maximum 6, Highest daily minimum 4, Lowest daily minimum 10, Heaviest daily rainfall 30, Deepest snow cover 2.

Records on 31 December 1930 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	6
Highest daily minimum	4
Lowest daily minimum	10
Heaviest daily rainfall	30
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 31 December 1930 by timescale: all-time 0, monthly 0, daily 58.

How Much Records Were Beaten By

47 broken records

Margins by which the 47 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 67.9. Ties are not counted.

Top 20 by Significance

31 December 1930

Top 20 records on 31 December 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 1930	Uniondale (Tnk), ZA	daily rain	28.2 mm (1.1 in)	28.2 mm (1.1 in)	51 years	60 of 100 (Major)
31 December 1930	Millwood (Bos), ZA	daily rain	80.3 mm (3.2 in)	67.9 mm (2.7 in)	36 years	55 of 100 (Notable)
31 December 1930	Buffelsnek (Bos), ZA	daily rain	79.0 mm (3.1 in)	56.4 mm (2.2 in)	17 years	49 of 100 (Notable)
31 December 1930	Georgetown Post Office, AU	daily low min	14.8 C (58.6 F)	5.2 C (9.4 F)	35 years	39 of 100 (Notable)
31 December 1930	Goudveld (Bos), ZA	daily rain	38.6 mm (1.5 in)	18.0 mm (0.7 in)	23 years	30 of 100 (Routine)
31 December 1930	Old Halls Creek, AU	daily rain	39.9 mm (1.6 in)	15.5 mm (0.6 in)	31 years	26 of 100 (Routine)
31 December 1930	Lottering (Bos), ZA	daily rain	78.7 mm (3.1 in)	25.9 mm (1.0 in)	17 years	26 of 100 (Routine)
31 December 1930	Herefoss, NO	daily rain	34.4 mm (1.4 in)	18.7 mm (0.7 in)	20 years	25 of 100 (Routine)
31 December 1930	Fraserburg, ZA	daily rain	23.4 mm (0.9 in)	23.4 mm (0.9 in)	51 years	20 of 100 (Routine)
31 December 1930	Mount Florance, AU	daily rain	22.9 mm (0.9 in)	22.9 mm (0.9 in)	39 years	20 of 100 (Routine)
31 December 1930	Hedal I Valdres, NO	daily rain	13.5 mm (0.5 in)	6.2 mm (0.24 in)	30 years	20 of 100 (Routine)
31 December 1930	Tbilisi, GE	daily rain	9.1 mm (0.36 in)	2.5 mm (0.10 in)	46 years	20 of 100 (Routine)
31 December 1930	Kamferskraal, ZA	daily rain	7.4 mm (0.29 in)	7.4 mm (0.29 in)	39 years	20 of 100 (Routine)
31 December 1930	Postmyr I Drangedal, NO	daily rain	21.3 mm (0.8 in)	9.3 mm (0.37 in)	11 years	20 of 100 (Routine)
31 December 1930	Aberdeen (Tnk), ZA	daily rain	1.0 mm (0.04 in)	1.0 mm (0.04 in)	47 years	19 of 100 (Routine)
31 December 1930	Ganca, AZ	daily rain	5.1 mm (0.20 in)	0.1 mm (0.00 in)	46 years	18 of 100 (Routine)
31 December 1930	Artern, DE	daily rain	7.1 mm (0.28 in)	1.0 mm (0.04 in)	38 years	18 of 100 (Routine)
31 December 1930	Mykland, NO	daily rain	21.0 mm (0.8 in)	4.8 mm (0.19 in)	30 years	17 of 100 (Routine)
31 December 1930	Strawberry Hill (Bos), ZA	daily rain	55.9 mm (2.2 in)	16.3 mm (0.6 in)	17 years	17 of 100 (Routine)
31 December 1930	Winterhoek, ZA	daily rain	19.1 mm (0.8 in)	3.1 mm (0.12 in)	36 years	17 of 100 (Routine)

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

1797 to 1930

Records set or tied on this calendar date in each year from 1797 to 1930. 1930 had 58 records.

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

Records on 12-31 in each year
Year	Records
1797	1
1799	2
1826	1
1836	1
1842	2
1850	3
1853	1
1854	1
1859	1
1860	1
1867	1
1870	2
1872	2
1874	4
1875	2
1876	2
1878	2
1879	2
1880	2
1882	1
1884	2
1885	1
1886	3
1887	1
1888	2
1890	2
1891	8
1892	4
1895	4
1897	6
1898	5
1899	4
1900	3
1901	16
1902	3
1903	3
1904	11
1905	9
1906	31
1907	11
1908	7
1909	5
1910	25
1911	14
1912	17
1913	46
1914	34
1915	32
1916	25
1917	239
1918	24
1919	38
1920	64
1921	130
1922	83
1923	280
1924	113
1925	183
1926	77
1927	491
1928	53
1929	224
1930	58
1931	543
1932	394
1933	409
1934	181
1935	309
1936	567
1937	500
1938	247
1939	298
1940	467
1941	159
1942	352
1943	159
1944	259
1945	210
1946	707
1947	461
1948	591
1949	384
1950	310
1951	1,421
1952	377
1953	410
1954	286
1955	429
1956	216
1957	724
1958	584
1959	414
1960	389
1961	309
1962	810
1963	1,015
1964	388
1965	1,371
1966	326
1967	1,023
1968	1,371
1969	825
1970	579
1971	568
1972	836
1973	1,370
1974	590
1975	791
1976	1,306
1977	641
1978	2,791
1979	448
1980	1,448
1981	786
1982	639
1983	2,220
1984	942
1985	593
1986	616
1987	845
1988	600
1989	506
1990	1,379
1991	703
1992	1,062
1993	718
1994	878
1995	1,151
1996	2,202
1997	988
1998	739
1999	524
2000	1,575
2001	748
2002	1,232
2003	523
2004	1,278
2005	959
2006	2,089
2007	652
2008	656
2009	867
2010	1,544
2011	739
2012	803
2013	606
2014	903
2015	748
2016	678
2017	1,589
2018	620
2019	593
2020	489
2021	1,739
2022	1,497
2023	474
2024	460
2025	760

Download the Data

Data for records on 1930-12-31: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	35
10 to 20	5
20 to 30	5
30 to 40	0
40 to 50	0
50 to 60	1
60 to 70	1