Weather Records on 12 January 1939

296 weather records were set or tied worldwide on 12 January 1939. Highest significance: Grass Patch, AU.

Key Facts for 12 January 1939

On 12 January 1939, 296 weather records were set or tied at long-record stations worldwide.
67 were record highs and 12 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 26 monthly and 264 daily.
Grass Patch set an all-time record daily precipitation of 100.3 mm (3.9 in) on 12 January 1939.
Across 156 earlier years (1794 to 2026) the same calendar date averaged 519 records.

Record Map

296 stations

296 station records on 12 January 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 January 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grass Patch	Australia	Record daily precipitation	100.3 mm (3.9 in)	66 of 100 (Major)
Mount Edgar	Australia	Record daily precipitation	228.6 mm (9.0 in)	65 of 100 (Major)
Mount Florance	Australia	Record daily precipitation	151.1 mm (5.9 in)	64 of 100 (Major)
Marble Bar Comparison	Australia	Record daily precipitation	145.8 mm (5.7 in)	60 of 100 (Major)
Talga Talga	Australia	Record daily precipitation	124.5 mm (4.9 in)	60 of 100 (Major)
Tambrey	Australia	Record daily precipitation	133.9 mm (5.3 in)	58 of 100 (Notable)
Bulong	Australia	Record daily precipitation	34.8 mm (1.4 in)	56 of 100 (Notable)
Widgiemooltha	Australia	Record daily precipitation	39.1 mm (1.5 in)	56 of 100 (Notable)
Oksoey Fyr	Norway	Record daily precipitation	45.8 mm (1.8 in)	52 of 100 (Notable)
Coolgardie Post Office	Australia	Record daily precipitation	31.0 mm (1.2 in)	51 of 100 (Notable)
Mulyie	Australia	Record daily precipitation	146.8 mm (5.8 in)	49 of 100 (Notable)
Roebourne	Australia	Record daily precipitation	133.9 mm (5.3 in)	49 of 100 (Notable)
Ettrick	Australia	Record daily precipitation	192.0 mm (7.6 in)	48 of 100 (Notable)
Boodarie	Australia	Record daily precipitation	134.6 mm (5.3 in)	47 of 100 (Notable)
Southern Cross	Australia	Record daily precipitation	37.1 mm (1.5 in)	47 of 100 (Notable)
Mulga Downs	Australia	Record daily precipitation	105.4 mm (4.1 in)	46 of 100 (Notable)
Boyatup	Australia	Record daily precipitation	54.6 mm (2.1 in)	44 of 100 (Notable)
Bamboo Creek	Australia	Record daily precipitation	92.7 mm (3.6 in)	42 of 100 (Notable)
Port Hedland Post Office	Australia	Record daily precipitation	152.4 mm (6.0 in)	41 of 100 (Notable)
Cooya Pooya	Australia	Record daily precipitation	62.0 mm (2.4 in)	41 of 100 (Notable)
Bonney Downs	Australia	Record daily precipitation	84.6 mm (3.3 in)	40 of 100 (Notable)
De Grey	Australia	Record daily precipitation	67.6 mm (2.7 in)	38 of 100 (Notable)
Kerrville	United States	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Strelley	Australia	Record daily precipitation	71.1 mm (2.8 in)	36 of 100 (Notable)
Mount Sir Samuel	Australia	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Bourke Post Office	Australia	Record high minimum temperature	31.4 C (88.5 F)	35 of 100 (Notable)
Kalgoorlie Post Office	Australia	Record daily precipitation	47.2 mm (1.9 in)	34 of 100 (Routine)
Barkerville	Canada	Record daily snowfall	35.6 cm (14.0 in)	34 of 100 (Routine)
Challa	Australia	Record daily precipitation	61.0 mm (2.4 in)	33 of 100 (Routine)
Barkerville	Canada	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Butterworth (Tnk)	South Africa	Record daily precipitation	43.9 mm (1.7 in)	33 of 100 (Routine)
Balladonia	Australia	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Nullagine	Australia	Record daily precipitation	144.8 mm (5.7 in)	31 of 100 (Routine)
Lugano	Switzerland	Record daily precipitation	41.5 mm (1.6 in)	31 of 100 (Routine)
Coongan Station	Australia	Record daily precipitation	137.9 mm (5.4 in)	30 of 100 (Routine)
Warralong	Australia	Record daily precipitation	158.2 mm (6.2 in)	30 of 100 (Routine)
Kimball 2NE	United States	Record snow depth	12.7 cm (5.0 in)	30 of 100 (Routine)
Esperance Post Office	Australia	Record daily precipitation	43.2 mm (1.7 in)	29 of 100 (Routine)
Bamboo Springs	Australia	Record daily precipitation	55.6 mm (2.2 in)	27 of 100 (Routine)
Cobar Post Office	Australia	Record high minimum temperature	31.7 C (89.1 F)	27 of 100 (Routine)
Walgett Council Depot	Australia	Record high minimum temperature	28.3 C (82.9 F)	27 of 100 (Routine)
Forbes (Camp Street)	Australia	Record high minimum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Karlstad	Sweden	Record snow depth	55.0 cm (21.7 in)	27 of 100 (Routine)
Roy Hill	Australia	Record daily precipitation	33.8 mm (1.3 in)	26 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high minimum temperature	27.4 C (81.3 F)	26 of 100 (Routine)
Waco	United States	Record daily precipitation	48.3 mm (1.9 in)	26 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	46.1 C (115.0 F)	25 of 100 (Routine)
Yarrabah Comm Council	Australia	Record daily precipitation	139.7 mm (5.5 in)	25 of 100 (Routine)
Gunnedah Pool	Australia	Record high maximum temperature	43.9 C (111.0 F)	25 of 100 (Routine)
Gunnedah Pool	Australia	Record high minimum temperature	27.2 C (81.0 F)	25 of 100 (Routine)
Forbes (Camp Street)	Australia	Record high maximum temperature	45.3 C (113.5 F)	25 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high maximum temperature	44.8 C (112.6 F)	25 of 100 (Routine)
Low Isles Lighthouse	Australia	Record daily precipitation	94.0 mm (3.7 in)	24 of 100 (Routine)
Innisfail	Australia	Record daily precipitation	133.4 mm (5.3 in)	24 of 100 (Routine)
St. Petersburg	Russia	Record low minimum temperature	-27.9 C (-18.2 F)	24 of 100 (Routine)
Waynesboro	United States	Record daily precipitation	47.2 mm (1.9 in)	24 of 100 (Routine)
Soyland I Gjesdal	Norway	Record snow depth	58.0 cm (22.8 in)	23 of 100 (Routine)
Brackettville	United States	Record daily precipitation	38.1 mm (1.5 in)	23 of 100 (Routine)
Inverell Comparison	Australia	Record high maximum temperature	40.0 C (104.0 F)	22 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	10.4 C (50.7 F)	22 of 100 (Routine)

Counts by Type and Timescale

296 records

Records set or tied on 12 January 1939 by type: Highest daily maximum 34, Lowest daily maximum 7, Highest daily minimum 33, Lowest daily minimum 5, Heaviest daily rainfall 198, Heaviest daily snowfall 7, Deepest snow cover 12.

Records on 12 January 1939 by type
Record type	Records
Highest daily maximum	34
Lowest daily maximum	7
Highest daily minimum	33
Lowest daily minimum	5
Heaviest daily rainfall	198
Heaviest daily snowfall	7
Deepest snow cover	12

Records on 12 January 1939 by timescale: all-time 6, monthly 26, daily 264.

How Much Records Were Beaten By

265 broken records

Margins by which the 265 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 240.0. Ties are not counted.

Top 20 by Significance

12 January 1939

Top 20 records on 12 January 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 January 1939	Grass Patch, AU	all-time rain	100.3 mm (3.9 in)	49.5 mm (1.9 in)	11 years	66 of 100 (Major)
12 January 1939	Mount Edgar, AU	all-time rain	228.6 mm (9.0 in)	91.4 mm (3.6 in)	9 years	65 of 100 (Major)
12 January 1939	Mount Florance, AU	monthly rain	151.1 mm (5.9 in)	56.4 mm (2.2 in)	30 years	64 of 100 (Major)
12 January 1939	Marble Bar Comparison, AU	monthly rain	145.8 mm (5.7 in)	72.6 mm (2.9 in)	21 years	60 of 100 (Major)
12 January 1939	Talga Talga, AU	monthly rain	124.5 mm (4.9 in)	62.8 mm (2.5 in)	21 years	60 of 100 (Major)
12 January 1939	Tambrey, AU	monthly rain	133.9 mm (5.3 in)	53.9 mm (2.1 in)	13 years	58 of 100 (Notable)
12 January 1939	Bulong, AU	daily rain	34.8 mm (1.4 in)	34.8 mm (1.4 in)	40 years	56 of 100 (Notable)
12 January 1939	Widgiemooltha, AU	daily rain	39.1 mm (1.5 in)	39.1 mm (1.5 in)	40 years	56 of 100 (Notable)
12 January 1939	Oksoey Fyr, NO	daily rain	45.8 mm (1.8 in)	26.8 mm (1.1 in)	23 years	52 of 100 (Notable)
12 January 1939	Coolgardie Post Office, AU	daily rain	31.0 mm (1.2 in)	30.7 mm (1.2 in)	25 years	51 of 100 (Notable)
12 January 1939	Mulyie, AU	monthly rain	146.8 mm (5.8 in)	49.8 mm (2.0 in)	2 years	49 of 100 (Notable)
12 January 1939	Roebourne, AU	monthly rain	133.9 mm (5.3 in)	50.6 mm (2.0 in)	2 years	49 of 100 (Notable)
12 January 1939	Ettrick, AU	all-time rain	192.0 mm (7.6 in)	28.7 mm (1.1 in)	18 years	48 of 100 (Notable)
12 January 1939	Boodarie, AU	daily rain	134.6 mm (5.3 in)	87.9 mm (3.5 in)	24 years	47 of 100 (Notable)
12 January 1939	Southern Cross, AU	daily rain	37.1 mm (1.5 in)	35.8 mm (1.4 in)	9 years	47 of 100 (Notable)
12 January 1939	Mulga Downs, AU	daily rain	105.4 mm (4.1 in)	67.3 mm (2.6 in)	11 years	46 of 100 (Notable)
12 January 1939	Boyatup, AU	monthly rain	54.6 mm (2.1 in)	20.3 mm (0.8 in)	0 years	44 of 100 (Notable)
12 January 1939	Bamboo Creek, AU	monthly rain	92.7 mm (3.6 in)	26.7 mm (1.1 in)	32 years	42 of 100 (Notable)
12 January 1939	Port Hedland Post Office, AU	monthly rain	152.4 mm (6.0 in)	50.5 mm (2.0 in)	2 years	41 of 100 (Notable)
12 January 1939	Cooya Pooya, AU	daily rain	62.0 mm (2.4 in)	46.8 mm (1.8 in)	24 years	41 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

1794 to 1939

Records set or tied on this calendar date in each year from 1794 to 1939. 1939 had 296 records.

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

Records on 01-12 in each year
Year	Records
1794	2
1812	1
1830	2
1840	1
1849	1
1851	1
1856	2
1863	2
1867	1
1871	3
1873	2
1874	1
1875	2
1876	2
1877	3
1879	1
1881	1
1882	1
1884	1
1885	1
1886	3
1889	1
1890	1
1893	4
1894	1
1895	4
1896	3
1897	4
1898	7
1899	9
1900	3
1901	8
1902	6
1903	13
1904	3
1905	15
1906	4
1907	12
1908	29
1909	19
1910	43
1911	70
1912	55
1913	19
1914	67
1915	39
1916	47
1917	118
1918	148
1919	24
1920	73
1921	31
1922	71
1923	65
1924	87
1925	141
1926	65
1927	144
1928	629
1929	103
1930	185
1931	142
1932	475
1933	91
1934	222
1935	299
1936	334
1937	260
1938	179
1939	296
1940	315
1941	246
1942	327
1943	440
1944	119
1945	490
1946	288
1947	258
1948	330
1949	510
1950	399
1951	368
1952	268
1953	1,207
1954	427
1955	302
1956	503
1957	376
1958	410
1959	568
1960	1,365
1961	291
1962	1,397
1963	2,005
1964	635
1965	346
1966	485
1967	436
1968	1,207
1969	514
1970	527
1971	763
1972	1,289
1973	564
1974	1,057
1975	1,205
1976	986
1977	1,078
1978	711
1979	1,295
1980	1,442
1981	1,508
1982	1,614
1983	1,115
1984	596
1985	896
1986	690
1987	2,007
1988	841
1989	1,019
1990	637
1991	1,324
1992	774
1993	1,923
1994	942
1995	1,688
1996	1,596
1997	1,957
1998	1,077
1999	871
2000	1,061
2001	575
2002	1,011
2003	737
2004	651
2005	1,918
2006	1,117
2007	1,410
2008	715
2009	839
2010	1,044
2011	1,714
2012	810
2013	1,481
2014	515
2015	743
2016	400
2017	1,358
2018	1,198
2019	919
2020	1,310
2021	618
2022	570
2023	830
2024	1,068
2025	543
2026	630

Download the Data

Data for records on 1939-01-12: 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 50	243
50 to 100	16
100 to 150	0
150 to 200	5
200 to 250	1