Weather Records on 20 May 1949

586 weather records were set or tied worldwide on 20 May 1949. Highest significance: Dadahor, IN.

Key Facts for 20 May 1949

On 20 May 1949, 586 weather records were set or tied at long-record stations worldwide.
63 were record highs and 45 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 569 daily.
Dadahor set a monthly record daily precipitation of 80.0 mm (3.1 in) on 20 May 1949.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 455 records.

Record Map

586 stations

586 station records on 20 May 1949 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1949: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dadahor	India	Record daily precipitation	80.0 mm (3.1 in)	64 of 100 (Major)
Mildura Post Office	Australia	Record daily precipitation	33.8 mm (1.3 in)	60 of 100 (Major)
Pooncarie (Mulurulu Station)	Australia	Record daily precipitation	57.7 mm (2.3 in)	55 of 100 (Notable)
Wentworth Post Office	Australia	Record daily precipitation	42.2 mm (1.7 in)	55 of 100 (Notable)
Chardzhev	Turkmenistan	Record daily precipitation	67.0 mm (2.6 in)	55 of 100 (Notable)
Pooncarie (Karpa Kora Station)	Australia	Record daily precipitation	31.8 mm (1.3 in)	53 of 100 (Notable)
Culgoa	Australia	Record daily precipitation	48.0 mm (1.9 in)	52 of 100 (Notable)
Vinga	Sweden	Record daily precipitation	29.0 mm (1.1 in)	52 of 100 (Notable)
Ivanhoe (Mt Manara)	Australia	Record daily precipitation	62.7 mm (2.5 in)	51 of 100 (Notable)
Antenor Navarro	Brazil	Record daily precipitation	77.0 mm (3.0 in)	51 of 100 (Notable)
Pooncarie (Tarcoola)	Australia	Record daily precipitation	41.1 mm (1.6 in)	50 of 100 (Notable)
Hay (Eurolie)	Australia	Record daily precipitation	38.1 mm (1.5 in)	50 of 100 (Notable)
Irymple (Arlington)	Australia	Record daily precipitation	29.0 mm (1.1 in)	50 of 100 (Notable)
Manangatang	Australia	Record daily precipitation	37.6 mm (1.5 in)	50 of 100 (Notable)
Bairnsdale Post Office	Australia	Record daily precipitation	36.3 mm (1.4 in)	50 of 100 (Notable)
Lalgudi	India	Record daily precipitation	113.3 mm (4.5 in)	50 of 100 (Notable)
Youhl Plain Tank	Australia	Record daily precipitation	34.8 mm (1.4 in)	49 of 100 (Notable)
Pooncarie Mail Agency	Australia	Record daily precipitation	37.8 mm (1.5 in)	48 of 100 (Notable)
Trier	Germany	Record daily precipitation	45.9 mm (1.8 in)	48 of 100 (Notable)
Franklin	United States	Record daily precipitation	50.3 mm (2.0 in)	48 of 100 (Notable)
Balranald (Rsl)	Australia	Record daily precipitation	39.9 mm (1.6 in)	47 of 100 (Notable)
Euston Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	47 of 100 (Notable)
Maranguape	Brazil	Record daily precipitation	69.5 mm (2.7 in)	47 of 100 (Notable)
Olean	United States	Record daily precipitation	50.8 mm (2.0 in)	47 of 100 (Notable)
Chowghat	India	Record daily precipitation	191.8 mm (7.6 in)	46 of 100 (Notable)
Rosevale	Australia	Record daily precipitation	89.9 mm (3.5 in)	45 of 100 (Notable)
Wentworth (Avoca)	Australia	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Manfred	Australia	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Montpelier	United States	Record daily precipitation	52.1 mm (2.1 in)	45 of 100 (Notable)
Woodside	Australia	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Tiruvadanai	India	Record daily precipitation	87.6 mm (3.4 in)	44 of 100 (Notable)
Summervale (Gundaur)	Australia	Record daily precipitation	31.5 mm (1.2 in)	43 of 100 (Notable)
Wilcannia (Culpaulin)	Australia	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
White Cliffs (Wonnaminta)	Australia	Record daily precipitation	25.9 mm (1.0 in)	42 of 100 (Notable)
Broken Hill (Glen Lyon)	Australia	Record daily precipitation	25.1 mm (1.0 in)	42 of 100 (Notable)
Sea Lake (Post Office)	Australia	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Glenmaggie (the Laurels)	Australia	Record daily precipitation	58.4 mm (2.3 in)	42 of 100 (Notable)
Marayur	India	Record daily precipitation	66.0 mm (2.6 in)	42 of 100 (Notable)
Culvers Lake	United States	Record daily precipitation	41.9 mm (1.6 in)	42 of 100 (Notable)
Utah Lake Lehi	United States	Record daily precipitation	37.8 mm (1.5 in)	42 of 100 (Notable)
Quambatook	Australia	Record daily precipitation	30.2 mm (1.2 in)	41 of 100 (Notable)
Niphad	India	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Park City G.C.	United States	Record daily precipitation	29.2 mm (1.1 in)	41 of 100 (Notable)
Red Range (Victoria St)	Australia	Record daily precipitation	27.7 mm (1.1 in)	40 of 100 (Notable)
Lindenow	Australia	Record daily precipitation	37.1 mm (1.5 in)	40 of 100 (Notable)
Madhipura	India	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Cream Hill	United States	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Falls Village	United States	Record daily precipitation	52.8 mm (2.1 in)	40 of 100 (Notable)
Mossgiel (Moolbong)	Australia	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Sivaganga	India	Record daily precipitation	99.6 mm (3.9 in)	39 of 100 (Notable)
Nawabganj	India	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Alpine	United States	Record daily precipitation	36.8 mm (1.4 in)	39 of 100 (Notable)
Wentworth (Wamberra Station)	Australia	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Glen Innes Gasworks	Australia	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Ultima (Post Office)	Australia	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Bairnsdale 1	Australia	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Farias Brito	Brazil	Record daily precipitation	45.8 mm (1.8 in)	38 of 100 (Notable)
Porto Real Do Colegio	Brazil	Record daily precipitation	96.0 mm (3.8 in)	38 of 100 (Notable)
Warwick	United States	Record daily precipitation	41.9 mm (1.6 in)	38 of 100 (Notable)
Nyngan Airport	Australia	Record daily precipitation	34.3 mm (1.4 in)	37 of 100 (Notable)

Counts by Type and Timescale

586 records

Records set or tied on 20 May 1949 by type: Highest daily maximum 21, Lowest daily maximum 19, Highest daily minimum 42, Lowest daily minimum 26, Heaviest daily rainfall 476, Heaviest daily snowfall 2.

Records on 20 May 1949 by type
Record type	Records
Highest daily maximum	21
Lowest daily maximum	19
Highest daily minimum	42
Lowest daily minimum	26
Heaviest daily rainfall	476
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 20 May 1949 by timescale: all-time 0, monthly 17, daily 569.

How Much Records Were Beaten By

534 broken records

Margins by which the 534 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 94.8. Ties are not counted.

Top 20 by Significance

20 May 1949

Top 20 records on 20 May 1949 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1949	Dadahor, IN	monthly rain	80.0 mm (3.1 in)	39.4 mm (1.6 in)	36 years	64 of 100 (Major)
20 May 1949	Mildura Post Office, AU	daily rain	33.8 mm (1.3 in)	24.1 mm (0.9 in)	52 years	60 of 100 (Major)
20 May 1949	Pooncarie (Mulurulu Station), AU	daily rain	57.7 mm (2.3 in)	53.9 mm (2.1 in)	31 years	55 of 100 (Notable)
20 May 1949	Wentworth Post Office, AU	daily rain	42.2 mm (1.7 in)	20.4 mm (0.8 in)	52 years	55 of 100 (Notable)
20 May 1949	Chardzhev, TM	monthly rain	67.0 mm (2.6 in)	37.0 mm (1.5 in)	3 years	55 of 100 (Notable)
20 May 1949	Pooncarie (Karpa Kora Station), AU	daily rain	31.8 mm (1.3 in)	27.7 mm (1.1 in)	54 years	53 of 100 (Notable)
20 May 1949	Culgoa, AU	daily rain	48.0 mm (1.9 in)	39.4 mm (1.6 in)	24 years	52 of 100 (Notable)
20 May 1949	Vinga, SE	daily rain	29.0 mm (1.1 in)	18.0 mm (0.7 in)	19 years	52 of 100 (Notable)
20 May 1949	Ivanhoe (Mt Manara), AU	monthly rain	62.7 mm (2.5 in)	19.5 mm (0.8 in)	52 years	51 of 100 (Notable)
20 May 1949	Antenor Navarro, BR	daily rain	77.0 mm (3.0 in)	64.8 mm (2.6 in)	28 years	51 of 100 (Notable)
20 May 1949	Pooncarie (Tarcoola), AU	daily rain	41.1 mm (1.6 in)	24.8 mm (1.0 in)	52 years	50 of 100 (Notable)
20 May 1949	Hay (Eurolie), AU	daily rain	38.1 mm (1.5 in)	35.6 mm (1.4 in)	16 years	50 of 100 (Notable)
20 May 1949	Irymple (Arlington), AU	daily rain	29.0 mm (1.1 in)	26.0 mm (1.0 in)	28 years	50 of 100 (Notable)
20 May 1949	Manangatang, AU	daily rain	37.6 mm (1.5 in)	31.8 mm (1.3 in)	26 years	50 of 100 (Notable)
20 May 1949	Bairnsdale Post Office, AU	daily rain	36.3 mm (1.4 in)	22.8 mm (0.9 in)	51 years	50 of 100 (Notable)
20 May 1949	Lalgudi, IN	daily rain	113.3 mm (4.5 in)	75.2 mm (3.0 in)	35 years	50 of 100 (Notable)
20 May 1949	Youhl Plain Tank, AU	daily rain	34.8 mm (1.4 in)	29.7 mm (1.2 in)	46 years	49 of 100 (Notable)
20 May 1949	Pooncarie Mail Agency, AU	daily rain	37.8 mm (1.5 in)	28.1 mm (1.1 in)	46 years	48 of 100 (Notable)
20 May 1949	Trier, DE	monthly rain	45.9 mm (1.8 in)	15.1 mm (0.6 in)	23 years	48 of 100 (Notable)
20 May 1949	Franklin, US	daily rain	50.3 mm (2.0 in)	32.0 mm (1.3 in)	27 years	48 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

1802 to 1949

Records set or tied on this calendar date in each year from 1802 to 1949. 1949 had 586 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 1949-05-20: 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 20	468
20 to 40	56
40 to 60	5
60 to 80	4
80 to 100	1