Weather Records on 30 December 1912

37 weather records were set or tied worldwide on 30 December 1912. Highest significance: Colesberg (Tnk), ZA.

Key Facts for 30 December 1912

On 30 December 1912, 37 weather records were set or tied at long-record stations worldwide.
11 were record highs and 1 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 36 daily.
Colesberg (Tnk) set a daily record precipitation of 49.0 mm (1.9 in) on 30 December 1912.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 499 records.

Record Map

37 stations

37 station records on 30 December 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 1912: highest significance records shown on the map
Station	Country	Type	Value	Significance
Colesberg (Tnk)	South Africa	Record daily precipitation	49.0 mm (1.9 in)	47 of 100 (Notable)
Philadelphia City	United States	Record daily precipitation	43.4 mm (1.7 in)	34 of 100 (Routine)
Fraserburg	South Africa	Record daily precipitation	26.4 mm (1.0 in)	33 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily precipitation	42.9 mm (1.7 in)	31 of 100 (Routine)
Newark Liberty Intl AP	United States	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Sterling	South Africa	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Jamestown	South Africa	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	39.9 mm (1.6 in)	23 of 100 (Routine)
Paterson	United States	Record daily precipitation	33.5 mm (1.3 in)	20 of 100 (Routine)
Tomsk	Russia	Record daily precipitation	5.9 mm (0.23 in)	19 of 100 (Routine)
Philipstown (Tnk)	South Africa	Record daily precipitation	27.9 mm (1.1 in)	18 of 100 (Routine)
Beaufort West (Met)	South Africa	Record daily precipitation	12.7 mm (0.5 in)	17 of 100 (Routine)
World Trade Ctr	United States	Record daily precipitation	29.7 mm (1.2 in)	17 of 100 (Routine)
Trenton 2	United States	Record daily precipitation	43.2 mm (1.7 in)	16 of 100 (Routine)
Berlin-Dahlem	Germany	Record high maximum temperature	11.1 C (52.0 F)	13 of 100 (Routine)
Kristianstad	Sweden	Record high minimum temperature	3.5 C (38.3 F)	13 of 100 (Routine)
Karesuando	Sweden	Record daily precipitation	2.7 mm (0.11 in)	13 of 100 (Routine)
Kiev	Ukraine	Record high maximum temperature	5.0 C (41.0 F)	13 of 100 (Routine)
Vineland	United States	Record daily precipitation	34.8 mm (1.4 in)	13 of 100 (Routine)
Buffalo	United States	Record daily precipitation	16.8 mm (0.7 in)	13 of 100 (Routine)
Reading Wb City	United States	Record daily precipitation	36.6 mm (1.4 in)	13 of 100 (Routine)
Steynsburg	South Africa	Record daily precipitation	18.5 mm (0.7 in)	12 of 100 (Routine)
Halmstad	Sweden	Record high maximum temperature	8.5 C (47.3 F)	11 of 100 (Routine)
Barraba Post Office	Australia	Record daily precipitation	7.9 mm (0.31 in)	10 of 100 (Routine)
Sandvig	Denmark	Record high minimum temperature	4.8 C (40.6 F)	9 of 100 (Routine)
Karlshamn	Sweden	Record high maximum temperature	8.5 C (47.3 F)	9 of 100 (Routine)
Merriwa (Gummun Place)	Australia	Record daily precipitation	11.9 mm (0.5 in)	8 of 100 (Routine)
Bodalla Post Office	Australia	Record daily precipitation	8.4 mm (0.33 in)	5 of 100 (Routine)
Melbourne Regional Office	Australia	Record low maximum temperature	17.7 C (63.9 F)	5 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record daily precipitation	2.8 mm (0.11 in)	5 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record daily snowfall	2.8 cm (1.1 in)	5 of 100 (Routine)
Huron Rgnl AP	United States	Record high maximum temperature	12.8 C (55.0 F)	5 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	1.7 C (35.1 F)	3 of 100 (Routine)
Saint John	Canada	Record high maximum temperature	10.0 C (50.0 F)	3 of 100 (Routine)
Sydney	Canada	Record high maximum temperature	11.1 C (52.0 F)	3 of 100 (Routine)
Durham	United Kingdom	Record high minimum temperature	4.0 C (39.2 F)	3 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	22.9 mm (0.9 in)	1 of 100 (Routine)

Counts by Type and Timescale

37 records

Records set or tied on 30 December 1912 by type: Highest daily maximum 7, Lowest daily maximum 1, Highest daily minimum 4, Heaviest daily rainfall 24, Heaviest daily snowfall 1.

Records on 30 December 1912 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	1
Highest daily minimum	4
Lowest daily minimum	0
Heaviest daily rainfall	24
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 30 December 1912 by timescale: all-time 0, monthly 1, daily 36.

How Much Records Were Beaten By

32 broken records

Margins by which the 32 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 39.6. Ties are not counted.

Top 20 by Significance

30 December 1912

Top 20 records on 30 December 1912 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 1912	Colesberg (Tnk), ZA	daily rain	49.0 mm (1.9 in)	39.6 mm (1.6 in)	15 years	47 of 100 (Notable)
30 December 1912	Philadelphia City, US	daily rain	43.4 mm (1.7 in)	28.7 mm (1.1 in)	5 years	34 of 100 (Routine)
30 December 1912	Fraserburg, ZA	monthly rain	26.4 mm (1.0 in)	8.6 mm (0.34 in)	12 years	33 of 100 (Routine)
30 December 1912	Ny City Cntrl Park, US	daily rain	42.9 mm (1.7 in)	29.4 mm (1.2 in)	5 years	31 of 100 (Routine)
30 December 1912	Newark Liberty Intl AP, US	daily rain	44.5 mm (1.8 in)	8.4 mm (0.33 in)	54 years	30 of 100 (Routine)
30 December 1912	Sterling, ZA	daily rain	30.5 mm (1.2 in)	24.9 mm (1.0 in)	2 years	28 of 100 (Routine)
30 December 1912	Jamestown, ZA	daily rain	38.1 mm (1.5 in)	14.0 mm (0.6 in)	29 years	24 of 100 (Routine)
30 December 1912	Moorestown 4 E, US	daily rain	39.9 mm (1.6 in)	19.1 mm (0.8 in)	11 years	23 of 100 (Routine)
30 December 1912	Paterson, US	daily rain	33.5 mm (1.3 in)	21.8 mm (0.9 in)	5 years	20 of 100 (Routine)
30 December 1912	Tomsk, RU	daily rain	5.9 mm (0.23 in)	2.6 mm (0.10 in)	12 years	19 of 100 (Routine)
30 December 1912	Philipstown (Tnk), ZA	daily rain	27.9 mm (1.1 in)	12.9 mm (0.5 in)	15 years	18 of 100 (Routine)
30 December 1912	Beaufort West (Met), ZA	daily rain	12.7 mm (0.5 in)	6.6 mm (0.26 in)	29 years	17 of 100 (Routine)
30 December 1912	World Trade Ctr, US	daily rain	29.7 mm (1.2 in)	10.9 mm (0.4 in)	11 years	17 of 100 (Routine)
30 December 1912	Trenton 2, US	daily rain	43.2 mm (1.7 in)	12.2 mm (0.5 in)	11 years	16 of 100 (Routine)
30 December 1912	Berlin-Dahlem, DE	daily high max	11.1 C (52.0 F)	1.1 C (2.0 F)	29 years	13 of 100 (Routine)
30 December 1912	Kristianstad, SE	daily high min	3.5 C (38.3 F)	1.5 C (2.7 F)	23 years	13 of 100 (Routine)
30 December 1912	Karesuando, SE	daily rain	2.7 mm (0.11 in)	1.4 mm (0.06 in)	12 years	13 of 100 (Routine)
30 December 1912	Kiev, UA	daily high max	5.0 C (41.0 F)	1.3 C (2.3 F)	29 years	13 of 100 (Routine)
30 December 1912	Vineland, US	daily rain	34.8 mm (1.4 in)	6.1 mm (0.24 in)	16 years	13 of 100 (Routine)
30 December 1912	Buffalo, US	daily rain	16.8 mm (0.7 in)	1.1 mm (0.04 in)	28 years	13 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

1799 to 1912

Records set or tied on this calendar date in each year from 1799 to 1912. 1912 had 37 records.

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

Records on 12-30 in each year
Year	Records
1799	2
1835	1
1850	1
1853	1
1856	1
1859	1
1863	1
1868	1
1870	4
1872	3
1874	2
1875	2
1876	3
1878	1
1880	5
1881	3
1882	3
1884	2
1888	2
1889	2
1890	7
1891	1
1892	1
1893	3
1895	6
1896	3
1897	7
1898	6
1899	3
1900	5
1901	8
1902	2
1903	8
1904	12
1905	10
1906	11
1907	26
1908	17
1909	13
1910	18
1911	20
1912	37
1913	32
1914	47
1915	62
1916	45
1917	217
1918	25
1919	82
1920	84
1921	111
1922	227
1923	223
1924	65
1925	184
1926	63
1927	290
1928	31
1929	382
1930	71
1931	509
1932	407
1933	279
1934	206
1935	202
1936	931
1937	234
1938	208
1939	237
1940	397
1941	149
1942	584
1943	165
1944	137
1945	251
1946	584
1947	317
1948	760
1949	206
1950	479
1951	955
1952	334
1953	399
1954	538
1955	254
1956	556
1957	443
1958	525
1959	216
1960	345
1961	389
1962	671
1963	567
1964	537
1965	1,122
1966	403
1967	760
1968	1,391
1969	817
1970	571
1971	1,122
1972	1,052
1973	1,262
1974	564
1975	703
1976	981
1977	795
1978	1,930
1979	427
1980	1,560
1981	684
1982	630
1983	2,765
1984	1,834
1985	568
1986	852
1987	1,270
1988	755
1989	528
1990	3,065
1991	525
1992	1,210
1993	865
1994	642
1995	1,455
1996	1,620
1997	1,384
1998	801
1999	838
2000	1,377
2001	651
2002	1,034
2003	661
2004	974
2005	928
2006	1,779
2007	748
2008	653
2009	933
2010	1,200
2011	782
2012	676
2013	642
2014	660
2015	820
2016	706
2017	1,324
2018	284
2019	1,131
2020	604
2021	1,455
2022	909
2023	726
2024	638
2025	325

Download the Data

Data for records on 1912-12-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	17
5 to 10	5
10 to 15	4
15 to 20	1
20 to 25	2
25 to 30	2
30 to 35	0
35 to 40	1