Weather Records on 9 May 1920

56 weather records were set or tied worldwide on 9 May 1920. Highest significance: Allora Post Office, AU.

Key Facts for 9 May 1920

On 9 May 1920, 56 weather records were set or tied at long-record stations worldwide.
8 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 1 monthly and 54 daily.
Allora Post Office set a daily record precipitation of 47.0 mm (1.9 in) on 9 May 1920.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 435 records.

Record Map

56 stations

56 station records on 9 May 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 May 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Allora Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	48 of 100 (Notable)
Toowoomba	Australia	Record daily precipitation	53.8 mm (2.1 in)	47 of 100 (Notable)
Cambooya Post Office	Australia	Record daily precipitation	62.7 mm (2.5 in)	42 of 100 (Notable)
Bird Rocks	Canada	Record daily precipitation	81.3 mm (3.2 in)	32 of 100 (Routine)
Dalby Post Office	Australia	Record daily precipitation	30.7 mm (1.2 in)	29 of 100 (Routine)
Roseberry	Australia	Record daily precipitation	56.6 mm (2.2 in)	29 of 100 (Routine)
Esk Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Kilkivan Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Hanover	United States	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
Yarmouth	Canada	Record daily precipitation	53.6 mm (2.1 in)	23 of 100 (Routine)
Saint John	Canada	Record daily precipitation	31.0 mm (1.2 in)	22 of 100 (Routine)
Deepwater Post Office	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Parnu	Estonia	Record daily precipitation	12.5 mm (0.5 in)	20 of 100 (Routine)
Jimbour State School	Australia	Record daily precipitation	26.7 mm (1.1 in)	19 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low minimum temperature	5.9 C (42.6 F)	18 of 100 (Routine)
Warranooke (Glenorchy)	Australia	Record daily precipitation	18.3 mm (0.7 in)	17 of 100 (Routine)
Port Stanley	Canada	Record low minimum temperature	-0.6 C (30.9 F)	17 of 100 (Routine)
Glen Innes Post Office	Australia	Record daily precipitation	17.8 mm (0.7 in)	15 of 100 (Routine)
Lindsay	Canada	Record low minimum temperature	-0.6 C (30.9 F)	15 of 100 (Routine)
Matjiesfontein (Sar)	South Africa	Record daily precipitation	1.8 mm (0.07 in)	15 of 100 (Routine)
Middletown 4 W	United States	Record daily precipitation	27.2 mm (1.1 in)	15 of 100 (Routine)
Duaringa Post Office	Australia	Record daily precipitation	3.8 mm (0.15 in)	14 of 100 (Routine)
Hawkwood Station	Australia	Record daily precipitation	29.0 mm (1.1 in)	14 of 100 (Routine)
Millicent	Australia	Record daily precipitation	10.7 mm (0.4 in)	13 of 100 (Routine)
Banana Post Office	Australia	Record daily precipitation	6.1 mm (0.24 in)	13 of 100 (Routine)
Lowood Don St	Australia	Record daily precipitation	26.9 mm (1.1 in)	13 of 100 (Routine)
St George Post Office	Australia	Record daily precipitation	4.1 mm (0.16 in)	13 of 100 (Routine)
Tilpa (Warloo)	Australia	Record daily precipitation	2.5 mm (0.10 in)	13 of 100 (Routine)
Stonehenge	Australia	Record daily precipitation	14.7 mm (0.6 in)	13 of 100 (Routine)
Battleford	Canada	Record high maximum temperature	28.3 C (82.9 F)	13 of 100 (Routine)
Prince Albert	Canada	Record high maximum temperature	28.9 C (84.0 F)	13 of 100 (Routine)
Culbertson	United States	Record daily precipitation	9.4 mm (0.37 in)	13 of 100 (Routine)
Wentworth (Cuthero)	Australia	Record daily precipitation	8.6 mm (0.34 in)	12 of 100 (Routine)
Gragin	Australia	Record daily precipitation	1.8 mm (0.07 in)	12 of 100 (Routine)
Indian Head Cda	Canada	Record high minimum temperature	7.8 C (46.0 F)	12 of 100 (Routine)
Alpha Post Office	Australia	Record daily precipitation	8.4 mm (0.33 in)	11 of 100 (Routine)
Camboon Station	Australia	Record daily precipitation	7.6 mm (0.30 in)	11 of 100 (Routine)
Englesberg Village	Australia	Record daily precipitation	26.2 mm (1.0 in)	11 of 100 (Routine)
Lawrence Post Office	Australia	Record daily precipitation	24.1 mm (0.9 in)	11 of 100 (Routine)
Lismore (Centre Street)	Australia	Record daily precipitation	51.8 mm (2.0 in)	11 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	8.9 C (48.0 F)	11 of 100 (Routine)
Yandilla	Australia	Record daily precipitation	17.0 mm (0.7 in)	10 of 100 (Routine)
Sedan (Sandleton)	Australia	Record daily precipitation	5.1 mm (0.20 in)	9 of 100 (Routine)
Anticosti West Point	Canada	Record daily precipitation	20.3 mm (0.8 in)	8 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high maximum temperature	25.7 C (78.3 F)	8 of 100 (Routine)
Woolgoolga (Clear Place)	Australia	Record daily precipitation	29.2 mm (1.1 in)	7 of 100 (Routine)
Chinchilla Water Treatment Pla	Australia	Record daily precipitation	13.5 mm (0.5 in)	6 of 100 (Routine)
Yanco Glen (Corona Homestead)	Australia	Record daily precipitation	5.6 mm (0.22 in)	6 of 100 (Routine)
Cudgen Plantation	Australia	Record daily precipitation	33.8 mm (1.3 in)	6 of 100 (Routine)
Lucknow	Canada	Record low minimum temperature	-3.3 C (26.1 F)	5 of 100 (Routine)
Inglewood Post Office	Australia	Record daily precipitation	13.7 mm (0.5 in)	4 of 100 (Routine)
London South	Canada	Record low minimum temperature	0.0 C (32.0 F)	3 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high minimum temperature	12.2 C (54.0 F)	2 of 100 (Routine)
Edmonton	Canada	Record high maximum temperature	25.0 C (77.0 F)	1 of 100 (Routine)
Minnedosa	Canada	Record high maximum temperature	26.7 C (80.1 F)	1 of 100 (Routine)
Emerald Post Office	Australia	Record daily precipitation	3.6 mm (0.14 in)	0 of 100 (Routine)

Counts by Type and Timescale

56 records

Records set or tied on 9 May 1920 by type: Highest daily maximum 5, Highest daily minimum 3, Lowest daily minimum 5, Heaviest daily rainfall 43.

Records on 9 May 1920 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	0
Highest daily minimum	3
Lowest daily minimum	5
Heaviest daily rainfall	43
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 May 1920 by timescale: all-time 1, monthly 1, daily 54.

How Much Records Were Beaten By

51 broken records

Margins by which the 51 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.1. Ties are not counted.

Top 20 by Significance

9 May 1920

Top 20 records on 9 May 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 1920	Allora Post Office, AU	daily rain	47.0 mm (1.9 in)	40.6 mm (1.6 in)	17 years	48 of 100 (Notable)
9 May 1920	Toowoomba, AU	daily rain	53.8 mm (2.1 in)	43.1 mm (1.7 in)	17 years	47 of 100 (Notable)
9 May 1920	Cambooya Post Office, AU	monthly rain	62.7 mm (2.5 in)	18.8 mm (0.7 in)	26 years	42 of 100 (Notable)
9 May 1920	Bird Rocks, CA	all-time rain	81.3 mm (3.2 in)	5.1 mm (0.20 in)	4 years	32 of 100 (Routine)
9 May 1920	Dalby Post Office, AU	daily rain	30.7 mm (1.2 in)	20.0 mm (0.8 in)	17 years	29 of 100 (Routine)
9 May 1920	Roseberry, AU	daily rain	56.6 mm (2.2 in)	38.3 mm (1.5 in)	6 years	29 of 100 (Routine)
9 May 1920	Esk Post Office, AU	daily rain	35.6 mm (1.4 in)	24.2 mm (1.0 in)	21 years	26 of 100 (Routine)
9 May 1920	Kilkivan Post Office, AU	daily rain	33.0 mm (1.3 in)	21.3 mm (0.8 in)	21 years	26 of 100 (Routine)
9 May 1920	Hanover, US	daily rain	38.1 mm (1.5 in)	16.0 mm (0.6 in)	14 years	24 of 100 (Routine)
9 May 1920	Yarmouth, CA	daily rain	53.6 mm (2.1 in)	8.9 mm (0.35 in)	33 years	23 of 100 (Routine)
9 May 1920	Saint John, CA	daily rain	31.0 mm (1.2 in)	7.6 mm (0.30 in)	35 years	22 of 100 (Routine)
9 May 1920	Deepwater Post Office, AU	daily rain	21.8 mm (0.9 in)	18.2 mm (0.7 in)	30 years	20 of 100 (Routine)
9 May 1920	Parnu, EE	daily rain	12.5 mm (0.5 in)	2.2 mm (0.09 in)	40 years	20 of 100 (Routine)
9 May 1920	Jimbour State School, AU	daily rain	26.7 mm (1.1 in)	14.0 mm (0.6 in)	6 years	19 of 100 (Routine)
9 May 1920	Nuwara Eliya, LK	daily low min	5.9 C (42.6 F)	0.2 C (0.4 F)	45 years	18 of 100 (Routine)
9 May 1920	Warranooke (Glenorchy), AU	daily rain	18.3 mm (0.7 in)	8.1 mm (0.32 in)	15 years	17 of 100 (Routine)
9 May 1920	Port Stanley, CA	daily low min	-0.6 C (30.9 F)	0.6 C (1.1 F)	40 years	17 of 100 (Routine)
9 May 1920	Glen Innes Post Office, AU	daily rain	17.8 mm (0.7 in)	6.6 mm (0.26 in)	17 years	15 of 100 (Routine)
9 May 1920	Lindsay, CA	daily low min	-0.6 C (30.9 F)	0.6 C (1.1 F)	34 years	15 of 100 (Routine)
9 May 1920	Matjiesfontein (Sar), ZA	daily rain	1.8 mm (0.07 in)	1.5 mm (0.06 in)	31 years	15 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

1793 to 1920

Records set or tied on this calendar date in each year from 1793 to 1920. 1920 had 56 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 1920-05-09: 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).

Histogram of margins by which records were beaten on 9 May 1920
Margin	Records
0 to 10	40
10 to 20	5
20 to 30	3
30 to 40	1
40 to 50	2