Weather Records on 12 May 1930

500 weather records were set or tied worldwide on 12 May 1930. Highest significance: Mildura Post Office, AU.

Key Facts for 12 May 1930

On 12 May 1930, 500 weather records were set or tied at long-record stations worldwide.
89 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 486 daily.
Mildura Post Office set a monthly record daily precipitation of 49.0 mm (1.9 in) on 12 May 1930.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 452 records.

Record Map

500 stations

500 station records on 12 May 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mildura Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	50 of 100 (Notable)
Inglewood (Post Office)	Australia	Record daily precipitation	60.2 mm (2.4 in)	48 of 100 (Notable)
Quambone Station	Australia	Record daily precipitation	36.3 mm (1.4 in)	44 of 100 (Notable)
Stockport	Australia	Record daily precipitation	29.7 mm (1.2 in)	43 of 100 (Notable)
Toongabbie	Australia	Record daily precipitation	31.2 mm (1.2 in)	43 of 100 (Notable)
Tyrrell Downs	Australia	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Wodonga Express	Australia	Record daily precipitation	47.0 mm (1.9 in)	41 of 100 (Notable)
Cassilis (Dalkeith)	Australia	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
Wedderburn (Post Office)	Australia	Record daily precipitation	56.4 mm (2.2 in)	40 of 100 (Notable)
Middle Creek (Leneva)	Australia	Record daily precipitation	54.9 mm (2.2 in)	40 of 100 (Notable)
Korong Vale (Post Office)	Australia	Record daily precipitation	45.2 mm (1.8 in)	39 of 100 (Notable)
Maldon (Derby Hill)	Australia	Record daily precipitation	41.4 mm (1.6 in)	38 of 100 (Notable)
Yandoit (Spring Vale)	Australia	Record daily precipitation	44.7 mm (1.8 in)	37 of 100 (Notable)
Brinkworth (Bungaree)	Australia	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Bathurst Gaol	Australia	Record daily precipitation	25.7 mm (1.0 in)	35 of 100 (Notable)
Grenfell (Quondong Rd)	Australia	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Nerang Gilston Rd	Australia	Record daily precipitation	80.3 mm (3.2 in)	34 of 100 (Routine)
Moama	Australia	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Narrandera Post Office	Australia	Record daily precipitation	27.2 mm (1.1 in)	34 of 100 (Routine)
O'Connell (Stratford)	Australia	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Cumnock (Willow Park)	Australia	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Bungowannah (Roseleigh)	Australia	Record daily precipitation	30.2 mm (1.2 in)	33 of 100 (Routine)
Goorambat	Australia	Record daily precipitation	25.7 mm (1.0 in)	32 of 100 (Routine)
Kergunyah South	Australia	Record daily precipitation	64.5 mm (2.5 in)	32 of 100 (Routine)
Kyneton Post Office	Australia	Record daily precipitation	41.1 mm (1.6 in)	32 of 100 (Routine)
Freeling Railway	Australia	Record daily precipitation	25.1 mm (1.0 in)	31 of 100 (Routine)
Tarcutta Post Office	Australia	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
Urana (Butherwah)	Australia	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Bridgewater (Memsie)	Australia	Record daily precipitation	58.4 mm (2.3 in)	31 of 100 (Routine)
Rutherglen Post Office	Australia	Record daily precipitation	27.4 mm (1.1 in)	31 of 100 (Routine)
Little River (Mount Rothwell)	Australia	Record daily precipitation	38.9 mm (1.5 in)	31 of 100 (Routine)
Alexandra (Post Office)	Australia	Record daily precipitation	39.9 mm (1.6 in)	31 of 100 (Routine)
Orange Post Office	Australia	Record daily precipitation	33.5 mm (1.3 in)	30 of 100 (Routine)
Wellwood	Australia	Record daily precipitation	28.4 mm (1.1 in)	30 of 100 (Routine)
Wyalong Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	30 of 100 (Routine)
Grenfell	Canada	Record daily snowfall	6.9 cm (2.7 in)	30 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	26.2 mm (1.0 in)	30 of 100 (Routine)
Orange (McLaughlin St)	Australia	Record daily precipitation	30.2 mm (1.2 in)	29 of 100 (Routine)
Bodangora Post Office	Australia	Record daily precipitation	25.7 mm (1.0 in)	29 of 100 (Routine)
Euroa	Australia	Record daily precipitation	34.5 mm (1.4 in)	29 of 100 (Routine)
Highmore	United States	Record daily precipitation	35.8 mm (1.4 in)	29 of 100 (Routine)
Oxley Post Office	Australia	Record daily precipitation	39.4 mm (1.6 in)	28 of 100 (Routine)
Swan Hill Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Willow (Belah)	Australia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Obley	Australia	Record daily precipitation	30.0 mm (1.2 in)	27 of 100 (Routine)
Round Hill	Australia	Record daily precipitation	25.1 mm (1.0 in)	27 of 100 (Routine)
Nandaly (Tyrell West)	Australia	Record daily precipitation	41.4 mm (1.6 in)	27 of 100 (Routine)
Quambatook South	Australia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Donald Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	27 of 100 (Routine)
Wychitella South	Australia	Record daily precipitation	34.3 mm (1.4 in)	27 of 100 (Routine)
Laanecoorie Weir	Australia	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Clark	United States	Record daily precipitation	36.3 mm (1.4 in)	27 of 100 (Routine)
Woomargama Estate	Australia	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Dunolly	Australia	Record daily precipitation	34.3 mm (1.4 in)	26 of 100 (Routine)
Innisfail	Australia	Record daily precipitation	120.9 mm (4.8 in)	25 of 100 (Routine)
Orange 3	Australia	Record daily precipitation	26.7 mm (1.1 in)	25 of 100 (Routine)
Canowindra (Canowindra Street)	Australia	Record daily precipitation	26.7 mm (1.1 in)	25 of 100 (Routine)
Cargo Post Office	Australia	Record daily precipitation	31.2 mm (1.2 in)	25 of 100 (Routine)
Tolmie State School	Australia	Record daily precipitation	35.1 mm (1.4 in)	25 of 100 (Routine)
Woods Point	Australia	Record daily precipitation	72.1 mm (2.8 in)	25 of 100 (Routine)

Counts by Type and Timescale

500 records

Records set or tied on 12 May 1930 by type: Highest daily maximum 29, Lowest daily maximum 15, Highest daily minimum 60, Lowest daily minimum 8, Heaviest daily rainfall 387, Heaviest daily snowfall 1.

Records on 12 May 1930 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	15
Highest daily minimum	60
Lowest daily minimum	8
Heaviest daily rainfall	387
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 12 May 1930 by timescale: all-time 0, monthly 14, daily 486.

How Much Records Were Beaten By

442 broken records

Margins by which the 442 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.0. Ties are not counted.

Top 20 by Significance

12 May 1930

Top 20 records on 12 May 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1930	Mildura Post Office, AU	monthly rain	49.0 mm (1.9 in)	20.6 mm (0.8 in)	8 years	50 of 100 (Notable)
12 May 1930	Inglewood (Post Office), AU	monthly rain	60.2 mm (2.4 in)	17.5 mm (0.7 in)	41 years	48 of 100 (Notable)
12 May 1930	Quambone Station, AU	daily rain	36.3 mm (1.4 in)	34.0 mm (1.3 in)	19 years	44 of 100 (Notable)
12 May 1930	Stockport, AU	daily rain	29.7 mm (1.2 in)	18.0 mm (0.7 in)	24 years	43 of 100 (Notable)
12 May 1930	Toongabbie, AU	daily rain	31.2 mm (1.2 in)	23.3 mm (0.9 in)	33 years	43 of 100 (Notable)
12 May 1930	Tyrrell Downs, AU	monthly rain	38.1 mm (1.5 in)	8.9 mm (0.35 in)	36 years	41 of 100 (Notable)
12 May 1930	Wodonga Express, AU	daily rain	47.0 mm (1.9 in)	29.5 mm (1.2 in)	24 years	41 of 100 (Notable)
12 May 1930	Cassilis (Dalkeith), AU	daily rain	26.7 mm (1.1 in)	20.1 mm (0.8 in)	55 years	40 of 100 (Notable)
12 May 1930	Wedderburn (Post Office), AU	monthly rain	56.4 mm (2.2 in)	10.7 mm (0.4 in)	46 years	40 of 100 (Notable)
12 May 1930	Middle Creek (Leneva), AU	daily rain	54.9 mm (2.2 in)	38.1 mm (1.5 in)	24 years	40 of 100 (Notable)
12 May 1930	Korong Vale (Post Office), AU	daily rain	45.2 mm (1.8 in)	27.7 mm (1.1 in)	4 years	39 of 100 (Notable)
12 May 1930	Maldon (Derby Hill), AU	daily rain	41.4 mm (1.6 in)	16.0 mm (0.6 in)	41 years	38 of 100 (Notable)
12 May 1930	Yandoit (Spring Vale), AU	daily rain	44.7 mm (1.8 in)	18.3 mm (0.7 in)	24 years	37 of 100 (Notable)
12 May 1930	Brinkworth (Bungaree), AU	daily rain	25.4 mm (1.0 in)	13.7 mm (0.5 in)	45 years	36 of 100 (Notable)
12 May 1930	Bathurst Gaol, AU	daily rain	25.7 mm (1.0 in)	7.9 mm (0.31 in)	68 years	35 of 100 (Notable)
12 May 1930	Grenfell (Quondong Rd), AU	daily rain	31.8 mm (1.3 in)	16.6 mm (0.7 in)	33 years	35 of 100 (Notable)
12 May 1930	Nerang Gilston Rd, AU	daily rain	80.3 mm (3.2 in)	63.3 mm (2.5 in)	25 years	34 of 100 (Routine)
12 May 1930	Moama, AU	daily rain	26.9 mm (1.1 in)	12.7 mm (0.5 in)	45 years	34 of 100 (Routine)
12 May 1930	Narrandera Post Office, AU	daily rain	27.2 mm (1.1 in)	15.3 mm (0.6 in)	41 years	34 of 100 (Routine)
12 May 1930	O'Connell (Stratford), AU	daily rain	27.9 mm (1.1 in)	14.4 mm (0.6 in)	33 years	33 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 1930

Records set or tied on this calendar date in each year from 1814 to 1930. 1930 had 500 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 1930-05-12: 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 10	322
10 to 20	97
20 to 30	16
30 to 40	4
40 to 50	0
50 to 60	1
60 to 70	2