Weather Records on 20 May 1919

56 weather records were set or tied worldwide on 20 May 1919. Highest significance: Restdown, AU.

Key Facts for 20 May 1919

On 20 May 1919, 56 weather records were set or tied at long-record stations worldwide.
9 were record highs and 12 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 56 daily.
Restdown set a daily record precipitation of 32.5 mm (1.3 in) on 20 May 1919.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 458 records.

Record Map

56 stations

56 station records on 20 May 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1919: highest significance records shown on the map
Station	Country	Type	Value	Significance
Restdown	Australia	Record daily precipitation	32.5 mm (1.3 in)	30 of 100 (Routine)
Hamilton	Canada	Record daily precipitation	27.9 mm (1.1 in)	27 of 100 (Routine)
Gnomery	Australia	Record daily precipitation	41.4 mm (1.6 in)	25 of 100 (Routine)
Cobar (Meryula)	Australia	Record daily precipitation	25.7 mm (1.0 in)	24 of 100 (Routine)
Trangie (Old Bundemar)	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Tilcha	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Urawilkie	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Uman	Ukraine	Record daily precipitation	19.7 mm (0.8 in)	20 of 100 (Routine)
Goorianawah	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Langmorn	Australia	Record daily precipitation	27.9 mm (1.1 in)	20 of 100 (Routine)
Quantambone	Australia	Record daily precipitation	39.4 mm (1.6 in)	19 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record low minimum temperature	-4.8 C (23.4 F)	19 of 100 (Routine)
Katherine Council	Australia	Record daily precipitation	1.0 mm (0.04 in)	18 of 100 (Routine)
Quabathoo	Australia	Record daily precipitation	1.8 mm (0.07 in)	18 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	10.3 mm (0.4 in)	18 of 100 (Routine)
Winnemucca AP	United States	Record high maximum temperature	31.7 C (89.1 F)	18 of 100 (Routine)
Warren (Mumblebone)	Australia	Record daily precipitation	4.3 mm (0.17 in)	17 of 100 (Routine)
Fernleigh (St.Helena)	Australia	Record daily precipitation	8.6 mm (0.34 in)	17 of 100 (Routine)
Yanga	Australia	Record daily precipitation	19.1 mm (0.8 in)	17 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	29.2 mm (1.1 in)	17 of 100 (Routine)
White Cliffs (Tarella)	Australia	Record daily precipitation	12.7 mm (0.5 in)	16 of 100 (Routine)
Burra Burra	Australia	Record daily precipitation	3.3 mm (0.13 in)	16 of 100 (Routine)
Gravesend Post Office	Australia	Record daily precipitation	6.6 mm (0.26 in)	16 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low maximum temperature	15.7 C (60.3 F)	15 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	10.0 C (50.0 F)	14 of 100 (Routine)
Battleford	Canada	Record high maximum temperature	28.9 C (84.0 F)	14 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record low minimum temperature	-4.4 C (24.1 F)	14 of 100 (Routine)
Ft Bidwell	United States	Record high maximum temperature	31.7 C (89.1 F)	14 of 100 (Routine)
Adrian 2 NNE	United States	Record daily precipitation	20.6 mm (0.8 in)	14 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record daily precipitation	24.4 mm (1.0 in)	14 of 100 (Routine)
Arrowie	Australia	Record daily precipitation	3.0 mm (0.12 in)	13 of 100 (Routine)
Donors Hill Station	Australia	Record daily precipitation	2.0 mm (0.08 in)	13 of 100 (Routine)
Prince Albert	Canada	Record high maximum temperature	26.7 C (80.1 F)	13 of 100 (Routine)
Durham	United Kingdom	Record low minimum temperature	-1.1 C (30.0 F)	12 of 100 (Routine)
Mannanarie Post Office	Australia	Record daily precipitation	10.9 mm (0.4 in)	11 of 100 (Routine)
Simferopol	Ukraine	Record low minimum temperature	2.5 C (36.5 F)	11 of 100 (Routine)
McKinlay Roadhouse	Australia	Record daily precipitation	5.1 mm (0.20 in)	10 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high minimum temperature	10.0 C (50.0 F)	10 of 100 (Routine)
Port Stanley	Canada	Record daily precipitation	18.8 mm (0.7 in)	10 of 100 (Routine)
Cottbus	Germany	Record low minimum temperature	2.6 C (36.7 F)	10 of 100 (Routine)
Winton Post Office	Australia	Record daily precipitation	3.6 mm (0.14 in)	9 of 100 (Routine)
Morgantown 1	United States	Record daily precipitation	21.1 mm (0.8 in)	9 of 100 (Routine)
Curnomona (Curnamona)	Australia	Record daily precipitation	14.0 mm (0.6 in)	8 of 100 (Routine)
Currandooley	Australia	Record daily precipitation	5.1 mm (0.20 in)	8 of 100 (Routine)
Waren	Germany	Record low minimum temperature	1.2 C (34.2 F)	7 of 100 (Routine)
Penshurst (Gresford)	Australia	Record daily precipitation	5.8 mm (0.23 in)	6 of 100 (Routine)
Eskdale	Australia	Record daily precipitation	24.6 mm (1.0 in)	6 of 100 (Routine)
Stoney Creek	Canada	Record low maximum temperature	9.4 C (48.9 F)	5 of 100 (Routine)
Zametchino	Russia	Record daily precipitation	15.5 mm (0.6 in)	5 of 100 (Routine)
Uman	Ukraine	Record low minimum temperature	1.9 C (35.4 F)	3 of 100 (Routine)
Medicine Hat A	Canada	Record high maximum temperature	32.8 C (91.0 F)	2 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	12.2 C (54.0 F)	2 of 100 (Routine)
Arnsberg	Germany	Record low minimum temperature	0.4 C (32.7 F)	2 of 100 (Routine)
Winnemucca AP	United States	Record high minimum temperature	12.2 C (54.0 F)	2 of 100 (Routine)
Sonnblick	Austria	Record low minimum temperature	-13.6 C (7.5 F)	1 of 100 (Routine)
Malvern	United States	Record low maximum temperature	20.0 C (68.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

56 records

Records set or tied on 20 May 1919 by type: Highest daily maximum 5, Lowest daily maximum 3, Highest daily minimum 4, Lowest daily minimum 9, Heaviest daily rainfall 35.

Records on 20 May 1919 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	3
Highest daily minimum	4
Lowest daily minimum	9
Heaviest daily rainfall	35
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 May 1919 by timescale: all-time 0, monthly 0, daily 56.

How Much Records Were Beaten By

50 broken records

Margins by which the 50 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 24.6. Ties are not counted.

Top 20 by Significance

20 May 1919

Top 20 records on 20 May 1919 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1919	Restdown, AU	daily rain	32.5 mm (1.3 in)	23.9 mm (0.9 in)	22 years	30 of 100 (Routine)
20 May 1919	Hamilton, CA	daily rain	27.9 mm (1.1 in)	7.8 mm (0.31 in)	46 years	27 of 100 (Routine)
20 May 1919	Gnomery, AU	daily rain	41.4 mm (1.6 in)	18.5 mm (0.7 in)	29 years	25 of 100 (Routine)
20 May 1919	Cobar (Meryula), AU	daily rain	25.7 mm (1.0 in)	18.1 mm (0.7 in)	22 years	24 of 100 (Routine)
20 May 1919	Trangie (Old Bundemar), AU	daily rain	24.6 mm (1.0 in)	24.6 mm (1.0 in)	35 years	20 of 100 (Routine)
20 May 1919	Tilcha, AU	daily rain	18.0 mm (0.7 in)	18.0 mm (0.7 in)	33 years	20 of 100 (Routine)
20 May 1919	Urawilkie, AU	daily rain	18.0 mm (0.7 in)	18.0 mm (0.7 in)	37 years	20 of 100 (Routine)
20 May 1919	Uman, UA	daily rain	19.7 mm (0.8 in)	11.7 mm (0.5 in)	16 years	20 of 100 (Routine)
20 May 1919	Goorianawah, AU	daily rain	11.4 mm (0.4 in)	8.4 mm (0.33 in)	39 years	20 of 100 (Routine)
20 May 1919	Langmorn, AU	daily rain	27.9 mm (1.1 in)	12.7 mm (0.5 in)	29 years	20 of 100 (Routine)
20 May 1919	Quantambone, AU	daily rain	39.4 mm (1.6 in)	7.6 mm (0.30 in)	29 years	19 of 100 (Routine)
20 May 1919	Nikolaevsk-Na-Amure, RU	daily low min	-4.8 C (23.4 F)	2.5 C (4.5 F)	29 years	19 of 100 (Routine)
20 May 1919	Katherine Council, AU	daily rain	1.0 mm (0.04 in)	1.0 mm (0.04 in)	44 years	18 of 100 (Routine)
20 May 1919	Quabathoo, AU	daily rain	1.8 mm (0.07 in)	1.8 mm (0.07 in)	40 years	18 of 100 (Routine)
20 May 1919	Berlin-Dahlem (Lfag), DE	daily rain	10.3 mm (0.4 in)	3.5 mm (0.14 in)	26 years	18 of 100 (Routine)
20 May 1919	Winnemucca AP, US	daily high max	31.7 C (89.1 F)	1.7 C (3.1 F)	37 years	18 of 100 (Routine)
20 May 1919	Warren (Mumblebone), AU	daily rain	4.3 mm (0.17 in)	4.3 mm (0.17 in)	36 years	17 of 100 (Routine)
20 May 1919	Fernleigh (St.Helena), AU	daily rain	8.6 mm (0.34 in)	8.6 mm (0.34 in)	29 years	17 of 100 (Routine)
20 May 1919	Yanga, AU	daily rain	19.1 mm (0.8 in)	11.2 mm (0.4 in)	16 years	17 of 100 (Routine)
20 May 1919	Port Dover, CA	daily rain	29.2 mm (1.1 in)	9.1 mm (0.36 in)	1 year	17 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

1802 to 1919

Records set or tied on this calendar date in each year from 1802 to 1919. 1919 had 56 records.

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

Records on 05-20 in each year
Year	Records
1802	1
1803	1
1804	1
1815	1
1825	1
1837	1
1844	1
1845	3
1847	1
1854	1
1858	3
1861	1
1862	1
1865	1
1867	1
1868	2
1870	3
1871	2
1876	2
1877	3
1879	1
1880	2
1884	2
1885	1
1887	2
1889	3
1890	3
1891	5
1892	3
1893	1
1894	6
1895	3
1896	3
1897	3
1898	4
1899	4
1900	1
1901	5
1902	11
1903	19
1904	4
1905	4
1906	22
1907	35
1908	23
1909	10
1910	20
1911	82
1912	20
1913	10
1914	16
1915	42
1916	29
1917	46
1918	92
1919	56
1920	44
1921	234
1922	40
1923	125
1924	189
1925	251
1926	128
1927	118
1928	138
1929	323
1930	129
1931	451
1932	689
1933	449
1934	582
1935	259
1936	207
1937	270
1938	331
1939	266
1940	337
1941	378
1942	337
1943	802
1944	315
1945	498
1946	339
1947	358
1948	514
1949	586
1950	327
1951	288
1952	615
1953	518
1954	822
1955	421
1956	565
1957	728
1958	378
1959	785
1960	612
1961	333
1962	773
1963	732
1964	517
1965	200
1966	416
1967	587
1968	743
1969	885
1970	310
1971	653
1972	612
1973	419
1974	893
1975	1,332
1976	837
1977	553
1978	534
1979	683
1980	751
1981	1,540
1982	554
1983	1,307
1984	867
1985	426
1986	790
1987	1,036
1988	805
1989	764
1990	722
1991	925
1992	1,200
1993	1,208
1994	778
1995	734
1996	1,749
1997	1,106
1998	1,124
1999	673
2000	991
2001	847
2002	2,299
2003	1,201
2004	746
2005	929
2006	1,006
2007	565
2008	999
2009	1,529
2010	1,011
2011	1,117
2012	604
2013	919
2014	629
2015	1,001
2016	692
2017	1,214
2018	460
2019	1,483
2020	784
2021	904
2022	1,643
2023	1,106
2024	478
2025	969
2026	696

Download the Data

Data for records on 1919-05-20: 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	33
5 to 10	8
10 to 15	3
15 to 20	4
20 to 25	2