Weather Records on 12 May 1931

350 weather records were set or tied worldwide on 12 May 1931. Highest significance: Hovlandsdal, NO.

Key Facts for 12 May 1931

On 12 May 1931, 350 weather records were set or tied at long-record stations worldwide.
74 were record highs and 144 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 346 daily.
Hovlandsdal set a daily record precipitation of 50.9 mm (2.0 in) on 12 May 1931.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 453 records.

Record Map

350 stations

350 station records on 12 May 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hovlandsdal	Norway	Record daily precipitation	50.9 mm (2.0 in)	39 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Ramgarh	India	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Pilliga Post Office	Australia	Record daily precipitation	38.6 mm (1.5 in)	34 of 100 (Routine)
Vantipura	India	Record daily precipitation	39.1 mm (1.5 in)	34 of 100 (Routine)
Botnen I Forde	Norway	Record daily precipitation	34.6 mm (1.4 in)	32 of 100 (Routine)
Cubbaroo	Australia	Record daily precipitation	41.7 mm (1.6 in)	31 of 100 (Routine)
Wee Waa (George St)	Australia	Record daily precipitation	36.3 mm (1.4 in)	31 of 100 (Routine)
Scottsdale	Australia	Record daily precipitation	41.1 mm (1.6 in)	30 of 100 (Routine)
Combogolong	Australia	Record daily precipitation	46.0 mm (1.8 in)	29 of 100 (Routine)
Dasuya	India	Record daily precipitation	35.1 mm (1.4 in)	29 of 100 (Routine)
Launceston (Pumping Station)	Australia	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Forbes (Camp Street)	Australia	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Cavan	Australia	Record daily precipitation	58.9 mm (2.3 in)	27 of 100 (Routine)
Carinda Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	26 of 100 (Routine)
Mullengudgery	Australia	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Jacksonville Wb City	United States	Record daily precipitation	46.7 mm (1.8 in)	26 of 100 (Routine)
Walgett (Euroka)	Australia	Record daily precipitation	37.1 mm (1.5 in)	25 of 100 (Routine)
Walgett (Goangra)	Australia	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Bungendore (Douglas)	Australia	Record daily precipitation	65.3 mm (2.6 in)	25 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high minimum temperature	13.3 C (55.9 F)	25 of 100 (Routine)
Mirranatwa (Bowacka)	Australia	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Deloraine (Athol)	Australia	Record daily precipitation	34.5 mm (1.4 in)	25 of 100 (Routine)
Pine Bluff	United States	Record low maximum temperature	16.7 C (62.1 F)	25 of 100 (Routine)
Bourke Post Office	Australia	Record high minimum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Bungendore Post Office	Australia	Record daily precipitation	56.9 mm (2.2 in)	24 of 100 (Routine)
Brownwood 2NE	United States	Record low minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Diapur (Bleak House)	Australia	Record daily precipitation	25.7 mm (1.0 in)	23 of 100 (Routine)
Chas	India	Record daily precipitation	38.9 mm (1.5 in)	23 of 100 (Routine)
Pilliga (Nirvana)	Australia	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Ozark	United States	Record low maximum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Las Animas	United States	Record high maximum temperature	37.8 C (100.0 F)	22 of 100 (Routine)
Clarksville Wwtp	United States	Record low maximum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Bathurst Gaol	Australia	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Collector (Brookdale)	Australia	Record daily precipitation	28.4 mm (1.1 in)	21 of 100 (Routine)
Waco	United States	Record low minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Garhshankar	India	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Doreen	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Una	India	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Rose Isle	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Wee Waa (Pendennis)	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Tibooburra (Olive Downs)	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Walma	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Gilgoin	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Nanango Wills St	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Quabathoo	Australia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Edgeroi	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Narrabri Bowling Club	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Cobar Post Office	Australia	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
White Cliffs (Bootra)	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Dunlop	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Lila Lower	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Bungendore (Gidleigh)	Australia	Record daily precipitation	56.6 mm (2.2 in)	20 of 100 (Routine)
Jeir	Australia	Record daily precipitation	48.0 mm (1.9 in)	20 of 100 (Routine)
Burnie (No 1)	Australia	Record daily precipitation	27.2 mm (1.1 in)	20 of 100 (Routine)
Samnanger	Norway	Record daily precipitation	34.0 mm (1.3 in)	20 of 100 (Routine)
Mc Minnville	United States	Record low maximum temperature	14.4 C (57.9 F)	20 of 100 (Routine)
Milparinka Hotel	Australia	Record daily precipitation	4.3 mm (0.17 in)	19 of 100 (Routine)
Louth (Bloxham Street)	Australia	Record daily precipitation	15.7 mm (0.6 in)	19 of 100 (Routine)

Counts by Type and Timescale

350 records

Records set or tied on 12 May 1931 by type: Highest daily maximum 47, Lowest daily maximum 90, Highest daily minimum 27, Lowest daily minimum 54, Heaviest daily rainfall 132.

Records on 12 May 1931 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	90
Highest daily minimum	27
Lowest daily minimum	54
Heaviest daily rainfall	132
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 May 1931 by timescale: all-time 0, monthly 4, daily 346.

How Much Records Were Beaten By

284 broken records

Margins by which the 284 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 34.1. Ties are not counted.

Top 20 by Significance

12 May 1931

Top 20 records on 12 May 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1931	Hovlandsdal, NO	daily rain	50.9 mm (2.0 in)	34.1 mm (1.3 in)	29 years	39 of 100 (Notable)
12 May 1931	Sydney (Observatory Hill), AU	daily high min	19.4 C (66.9 F)	3.6 C (6.5 F)	54 years	38 of 100 (Notable)
12 May 1931	Ramgarh, IN	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	29 years	36 of 100 (Notable)
12 May 1931	Pilliga Post Office, AU	daily rain	38.6 mm (1.5 in)	25.9 mm (1.0 in)	41 years	34 of 100 (Routine)
12 May 1931	Vantipura, IN	daily rain	39.1 mm (1.5 in)	28.4 mm (1.1 in)	17 years	34 of 100 (Routine)
12 May 1931	Botnen I Forde, NO	daily rain	34.6 mm (1.4 in)	20.1 mm (0.8 in)	34 years	32 of 100 (Routine)
12 May 1931	Cubbaroo, AU	daily rain	41.7 mm (1.6 in)	18.8 mm (0.7 in)	42 years	31 of 100 (Routine)
12 May 1931	Wee Waa (George St), AU	daily rain	36.3 mm (1.4 in)	28.7 mm (1.1 in)	20 years	31 of 100 (Routine)
12 May 1931	Scottsdale, AU	daily rain	41.1 mm (1.6 in)	26.1 mm (1.0 in)	2 years	30 of 100 (Routine)
12 May 1931	Combogolong, AU	daily rain	46.0 mm (1.8 in)	15.0 mm (0.6 in)	42 years	29 of 100 (Routine)
12 May 1931	Dasuya, IN	daily rain	35.1 mm (1.4 in)	27.5 mm (1.1 in)	8 years	29 of 100 (Routine)
12 May 1931	Launceston (Pumping Station), AU	daily rain	28.4 mm (1.1 in)	17.0 mm (0.7 in)	13 years	28 of 100 (Routine)
12 May 1931	San Diego Wbo, US	daily high min	17.8 C (64.0 F)	1.7 C (3.1 F)	45 years	28 of 100 (Routine)
12 May 1931	Forbes (Camp Street), AU	daily high min	16.1 C (61.0 F)	2.2 C (4.0 F)	54 years	27 of 100 (Routine)
12 May 1931	Cavan, AU	daily rain	58.9 mm (2.3 in)	22.1 mm (0.9 in)	20 years	27 of 100 (Routine)
12 May 1931	Carinda Post Office, AU	daily rain	28.4 mm (1.1 in)	22.0 mm (0.9 in)	0 years	26 of 100 (Routine)
12 May 1931	Mullengudgery, AU	daily rain	33.0 mm (1.3 in)	21.8 mm (0.9 in)	12 years	26 of 100 (Routine)
12 May 1931	Jacksonville Wb City, US	daily rain	46.7 mm (1.8 in)	6.1 mm (0.24 in)	56 years	26 of 100 (Routine)
12 May 1931	Walgett (Euroka), AU	daily rain	37.1 mm (1.5 in)	9.7 mm (0.38 in)	42 years	25 of 100 (Routine)
12 May 1931	Walgett (Goangra), AU	daily rain	31.8 mm (1.3 in)	9.4 mm (0.37 in)	42 years	25 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

1814 to 1931

Records set or tied on this calendar date in each year from 1814 to 1931. 1931 had 350 records.

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

Records on 05-12 in each year
Year	Records
1814	2
1823	1
1825	1
1827	1
1834	1
1837	1
1838	1
1845	1
1847	1
1848	1
1849	2
1851	1
1855	2
1860	2
1862	2
1863	1
1867	1
1868	1
1872	2
1874	1
1877	1
1878	1
1879	1
1881	4
1882	5
1884	3
1885	2
1886	3
1887	1
1888	1
1889	1
1890	1
1891	4
1894	1
1895	1
1896	1
1897	7
1898	3
1900	3
1901	6
1902	5
1903	7
1904	11
1905	10
1906	20
1907	53
1908	12
1909	4
1910	9
1911	37
1912	46
1913	6
1914	36
1915	50
1916	42
1917	54
1918	113
1919	42
1920	19
1921	64
1922	43
1923	109
1924	245
1925	275
1926	121
1927	167
1928	192
1929	172
1930	500
1931	350
1932	199
1933	476
1934	293
1935	404
1936	329
1937	214
1938	394
1939	233
1940	440
1941	568
1942	418
1943	803
1944	368
1945	389
1946	653
1947	286
1948	390
1949	414
1950	283
1951	427
1952	711
1953	891
1954	305
1955	265
1956	1,568
1957	454
1958	714
1959	740
1960	1,583
1961	381
1962	713
1963	777
1964	401
1965	196
1966	909
1967	810
1968	890
1969	506
1970	698
1971	668
1972	641
1973	393
1974	702
1975	418
1976	541
1977	855
1978	802
1979	763
1980	684
1981	855
1982	763
1983	1,281
1984	887
1985	1,199
1986	473
1987	1,295
1988	619
1989	856
1990	617
1991	1,177
1992	1,022
1993	1,208
1994	738
1995	1,190
1996	1,420
1997	921
1998	1,576
1999	881
2000	1,486
2001	1,015
2002	1,027
2003	861
2004	1,054
2005	1,369
2006	797
2007	630
2008	858
2009	687
2010	1,250
2011	1,119
2012	660
2013	689
2014	949
2015	958
2016	421
2017	529
2018	819
2019	784
2020	1,338
2021	712
2022	1,930
2023	429
2024	447
2025	940
2026	1,110

Download the Data

Data for records on 1931-05-12: 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 5	215
5 to 10	27
10 to 15	15
15 to 20	13
20 to 25	7
25 to 30	6
30 to 35	1