Weather Records on 9 May 1931

411 weather records were set or tied worldwide on 9 May 1931. Highest significance: Cockburn (Burta), AU.

Key Facts for 9 May 1931

On 9 May 1931, 411 weather records were set or tied at long-record stations worldwide.
39 were record highs and 53 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 406 daily.
Cockburn (Burta) set a daily record precipitation of 53.3 mm (2.1 in) on 9 May 1931.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 432 records.

Record Map

411 stations

411 station records on 9 May 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 May 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cockburn (Burta)	Australia	Record daily precipitation	53.3 mm (2.1 in)	58 of 100 (Notable)
Ormley	Australia	Record daily precipitation	32.5 mm (1.3 in)	54 of 100 (Notable)
Goulds Country Post Office	Australia	Record daily precipitation	80.5 mm (3.2 in)	53 of 100 (Notable)
St Helens Post Office	Australia	Record daily precipitation	50.8 mm (2.0 in)	53 of 100 (Notable)
Tarcutta Post Office	Australia	Record daily precipitation	36.3 mm (1.4 in)	52 of 100 (Notable)
Halls Gap	Australia	Record daily precipitation	61.2 mm (2.4 in)	52 of 100 (Notable)
Barduar	India	Record daily precipitation	113.5 mm (4.5 in)	51 of 100 (Notable)
Springvale	Australia	Record daily precipitation	77.2 mm (3.0 in)	50 of 100 (Notable)
Ninyeunook	Australia	Record daily precipitation	34.5 mm (1.4 in)	50 of 100 (Notable)
Scottsdale	Australia	Record daily precipitation	48.3 mm (1.9 in)	47 of 100 (Notable)
Gredgwin (Barraport North)	Australia	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
Horsham Polkemmet Rd	Australia	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
Woomargama Estate	Australia	Record daily precipitation	37.8 mm (1.5 in)	43 of 100 (Notable)
Dadupur	India	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Laurel Hill (Kundiewa)	Australia	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)
Wychitella South	Australia	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Tallangatta Dcnr	Australia	Record daily precipitation	34.8 mm (1.4 in)	41 of 100 (Notable)
Lake Leake (Elizabeth River)	Australia	Record daily precipitation	33.3 mm (1.3 in)	41 of 100 (Notable)
Peak Hill Post Office	Australia	Record daily precipitation	29.7 mm (1.2 in)	40 of 100 (Notable)
Perth Regional Office	Australia	Record daily precipitation	55.6 mm (2.2 in)	39 of 100 (Notable)
Towaninnie	Australia	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Kergunyah South	Australia	Record daily precipitation	44.2 mm (1.7 in)	39 of 100 (Notable)
Decatur 1 N	United States	Record daily precipitation	47.8 mm (1.9 in)	38 of 100 (Notable)
Henty Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Warrangong	Australia	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Benalla (Shadforth Street)	Australia	Record daily precipitation	33.5 mm (1.3 in)	35 of 100 (Notable)
Beechworth Composite	Australia	Record daily precipitation	45.2 mm (1.8 in)	34 of 100 (Routine)
Quambatook South	Australia	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Burra Burra	Australia	Record daily precipitation	32.8 mm (1.3 in)	32 of 100 (Routine)
Quambone Station	Australia	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Greenethorpe (Iandra)	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Mittagong Head Station	Australia	Record daily precipitation	40.1 mm (1.6 in)	32 of 100 (Routine)
Boxwood	Australia	Record daily precipitation	37.6 mm (1.5 in)	32 of 100 (Routine)
Isabela Substn	Puerto Rico [United States]	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Adelong Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	31 of 100 (Routine)
Arambagh	India	Record daily precipitation	77.0 mm (3.0 in)	30 of 100 (Routine)
Lake Marmal	Australia	Record daily precipitation	35.8 mm (1.4 in)	29 of 100 (Routine)
Goorambat	Australia	Record daily precipitation	27.2 mm (1.1 in)	29 of 100 (Routine)
Tallangatta (Bullioh)	Australia	Record daily precipitation	28.2 mm (1.1 in)	29 of 100 (Routine)
Mathinna (Fingal Road)	Australia	Record daily precipitation	32.3 mm (1.3 in)	29 of 100 (Routine)
Anticosti Heath Point	Canada	Record daily snowfall	5.1 cm (2.0 in)	29 of 100 (Routine)
Rockford	United States	Record daily precipitation	32.0 mm (1.3 in)	29 of 100 (Routine)
Holbrook (Rsl)	Australia	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Fairlight Station	Australia	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Budgerum	Australia	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Yackandandah	Australia	Record daily precipitation	36.1 mm (1.4 in)	27 of 100 (Routine)
Cavan	Australia	Record daily precipitation	41.9 mm (1.6 in)	26 of 100 (Routine)
Willamurra	Australia	Record daily precipitation	32.8 mm (1.3 in)	25 of 100 (Routine)
Bathurst Gaol	Australia	Record high minimum temperature	11.7 C (53.1 F)	25 of 100 (Routine)
Eurongilly (Bundaleer)	Australia	Record daily precipitation	26.4 mm (1.0 in)	25 of 100 (Routine)
Yellowin	Australia	Record daily precipitation	41.1 mm (1.6 in)	24 of 100 (Routine)
Wartook Post Office	Australia	Record daily precipitation	31.2 mm (1.2 in)	24 of 100 (Routine)
Jingellic	Australia	Record daily precipitation	29.0 mm (1.1 in)	23 of 100 (Routine)
Bright Post Office	Australia	Record daily precipitation	39.4 mm (1.6 in)	23 of 100 (Routine)
Hebel Store	Australia	Record daily precipitation	29.5 mm (1.2 in)	22 of 100 (Routine)
Belconnen (Weetangerra)	Australia	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Pomonal Windy Ridge	Australia	Record daily precipitation	30.0 mm (1.2 in)	22 of 100 (Routine)
Wangaratta	Australia	Record daily precipitation	30.0 mm (1.2 in)	22 of 100 (Routine)
St Marys (Cullenswood)	Australia	Record daily precipitation	81.3 mm (3.2 in)	22 of 100 (Routine)
Korong Vale (Post Office)	Australia	Record daily precipitation	47.2 mm (1.9 in)	21 of 100 (Routine)

Counts by Type and Timescale

411 records

Records set or tied on 9 May 1931 by type: Highest daily maximum 24, Lowest daily maximum 35, Highest daily minimum 15, Lowest daily minimum 18, Heaviest daily rainfall 317, Heaviest daily snowfall 2.

Records on 9 May 1931 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	35
Highest daily minimum	15
Lowest daily minimum	18
Heaviest daily rainfall	317
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 9 May 1931 by timescale: all-time 0, monthly 5, daily 406.

How Much Records Were Beaten By

384 broken records

Margins by which the 384 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 65.2. Ties are not counted.

Top 20 by Significance

9 May 1931

Top 20 records on 9 May 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 1931	Cockburn (Burta), AU	daily rain	53.3 mm (2.1 in)	43.1 mm (1.7 in)	46 years	58 of 100 (Notable)
9 May 1931	Ormley, AU	daily rain	32.5 mm (1.3 in)	26.7 mm (1.1 in)	33 years	54 of 100 (Notable)
9 May 1931	Goulds Country Post Office, AU	daily rain	80.5 mm (3.2 in)	60.7 mm (2.4 in)	30 years	53 of 100 (Notable)
9 May 1931	St Helens Post Office, AU	daily rain	50.8 mm (2.0 in)	45.7 mm (1.8 in)	32 years	53 of 100 (Notable)
9 May 1931	Tarcutta Post Office, AU	daily rain	36.3 mm (1.4 in)	26.4 mm (1.0 in)	55 years	52 of 100 (Notable)
9 May 1931	Halls Gap, AU	daily rain	61.2 mm (2.4 in)	44.7 mm (1.8 in)	25 years	52 of 100 (Notable)
9 May 1931	Barduar, IN	daily rain	113.5 mm (4.5 in)	65.2 mm (2.6 in)	28 years	51 of 100 (Notable)
9 May 1931	Springvale, AU	daily rain	77.2 mm (3.0 in)	56.1 mm (2.2 in)	25 years	50 of 100 (Notable)
9 May 1931	Ninyeunook, AU	daily rain	34.5 mm (1.4 in)	27.6 mm (1.1 in)	25 years	50 of 100 (Notable)
9 May 1931	Scottsdale, AU	daily rain	48.3 mm (1.9 in)	33.1 mm (1.3 in)	34 years	47 of 100 (Notable)
9 May 1931	Gredgwin (Barraport North), AU	daily rain	31.8 mm (1.3 in)	25.4 mm (1.0 in)	25 years	46 of 100 (Notable)
9 May 1931	Horsham Polkemmet Rd, AU	daily rain	34.0 mm (1.3 in)	20.0 mm (0.8 in)	26 years	44 of 100 (Notable)
9 May 1931	Woomargama Estate, AU	daily rain	37.8 mm (1.5 in)	25.9 mm (1.0 in)	21 years	43 of 100 (Notable)
9 May 1931	Dadupur, IN	daily rain	40.6 mm (1.6 in)	34.2 mm (1.3 in)	13 years	43 of 100 (Notable)
9 May 1931	Laurel Hill (Kundiewa), AU	daily rain	41.9 mm (1.6 in)	36.8 mm (1.4 in)	30 years	41 of 100 (Notable)
9 May 1931	Wychitella South, AU	daily rain	45.2 mm (1.8 in)	34.0 mm (1.3 in)	8 years	41 of 100 (Notable)
9 May 1931	Tallangatta Dcnr, AU	daily rain	34.8 mm (1.4 in)	23.1 mm (0.9 in)	41 years	41 of 100 (Notable)
9 May 1931	Lake Leake (Elizabeth River), AU	daily rain	33.3 mm (1.3 in)	25.9 mm (1.0 in)	33 years	41 of 100 (Notable)
9 May 1931	Peak Hill Post Office, AU	daily rain	29.7 mm (1.2 in)	25.4 mm (1.0 in)	38 years	40 of 100 (Notable)
9 May 1931	Perth Regional Office, AU	daily rain	55.6 mm (2.2 in)	29.2 mm (1.1 in)	24 years	39 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

1793 to 1931

Records set or tied on this calendar date in each year from 1793 to 1931. 1931 had 411 records.

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

Records on 05-09 in each year
Year	Records
1793	1
1795	1
1806	1
1810	1
1823	1
1834	1
1838	1
1843	1
1845	2
1846	1
1848	1
1850	2
1855	2
1857	1
1858	1
1861	1
1862	1
1864	2
1865	2
1867	2
1872	1
1873	2
1874	1
1875	2
1879	4
1880	3
1882	1
1883	2
1884	3
1885	3
1889	3
1890	3
1891	3
1892	1
1893	1
1895	2
1896	4
1897	3
1898	3
1899	2
1900	2
1901	9
1902	8
1903	9
1904	14
1905	34
1906	41
1907	11
1908	16
1909	34
1910	45
1911	23
1912	23
1913	15
1914	43
1915	27
1916	26
1917	50
1918	49
1919	47
1920	56
1921	102
1922	45
1923	461
1924	262
1925	123
1926	196
1927	343
1928	302
1929	166
1930	526
1931	411
1932	132
1933	482
1934	750
1935	111
1936	622
1937	128
1938	171
1939	345
1940	237
1941	335
1942	180
1943	524
1944	412
1945	538
1946	278
1947	1,145
1948	379
1949	417
1950	660
1951	188
1952	348
1953	507
1954	489
1955	288
1956	722
1957	505
1958	355
1959	252
1960	748
1961	516
1962	435
1963	1,103
1964	503
1965	730
1966	994
1967	681
1968	545
1969	653
1970	372
1971	338
1972	587
1973	386
1974	699
1975	465
1976	714
1977	931
1978	649
1979	1,605
1980	1,030
1981	639
1982	523
1983	872
1984	892
1985	829
1986	1,253
1987	1,481
1988	594
1989	1,347
1990	850
1991	759
1992	1,476
1993	967
1994	573
1995	960
1996	1,260
1997	1,088
1998	1,182
1999	970
2000	1,114
2001	969
2002	1,489
2003	1,802
2004	926
2005	851
2006	738
2007	765
2008	693
2009	816
2010	764
2011	1,104
2012	686
2013	684
2014	754
2015	689
2016	917
2017	539
2018	879
2019	1,043
2020	1,673
2021	501
2022	1,308
2023	474
2024	792
2025	622
2026	309

Download the Data

Data for records on 1931-05-09: 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	291
10 to 20	61
20 to 30	16
30 to 40	7
40 to 50	5
50 to 60	2
60 to 70	2