Weather Records on 20 May 1963

732 weather records were set or tied worldwide on 20 May 1963. Highest significance: Lakes Entrance Post Office, AU.

Key Facts for 20 May 1963

On 20 May 1963, 732 weather records were set or tied at long-record stations worldwide.
207 were record highs and 104 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 34 monthly and 698 daily.
Lakes Entrance Post Office set a monthly record daily precipitation of 128.8 mm (5.1 in) on 20 May 1963.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 454 records.

Record Map

732 stations

732 station records on 20 May 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lakes Entrance Post Office	Australia	Record daily precipitation	128.8 mm (5.1 in)	73 of 100 (Major)
Jimenbuen	Australia	Record daily precipitation	68.1 mm (2.7 in)	67 of 100 (Major)
Delegate (Weewalla)	Australia	Record daily precipitation	52.3 mm (2.1 in)	66 of 100 (Major)
Eidsvold Post Office	Australia	Record daily precipitation	82.6 mm (3.3 in)	65 of 100 (Major)
Orbost (Comparison)	Australia	Record daily precipitation	84.8 mm (3.3 in)	60 of 100 (Major)
Stradbroke West (Inglenook)	Australia	Record daily precipitation	46.2 mm (1.8 in)	60 of 100 (Major)
Wulgulmerang	Australia	Record daily precipitation	46.0 mm (1.8 in)	59 of 100 (Notable)
Port Albert	Australia	Record daily precipitation	88.4 mm (3.5 in)	59 of 100 (Notable)
Nicholson (Yendalock)	Australia	Record daily precipitation	68.6 mm (2.7 in)	58 of 100 (Notable)
Irvingdale Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	57 of 100 (Notable)
Bonang	Australia	Record daily precipitation	64.3 mm (2.5 in)	57 of 100 (Notable)
Nowa Nowa (Wairewa)	Australia	Record daily precipitation	53.3 mm (2.1 in)	57 of 100 (Notable)
Paynesville	Australia	Record daily precipitation	107.2 mm (4.2 in)	57 of 100 (Notable)
Dutson	Australia	Record daily precipitation	74.9 mm (2.9 in)	56 of 100 (Notable)
Kingaroy Prince Street	Australia	Record daily precipitation	59.2 mm (2.3 in)	54 of 100 (Notable)
Cooma (Carlaminda)	Australia	Record daily precipitation	42.2 mm (1.7 in)	54 of 100 (Notable)
Glen Cairn	Australia	Record daily precipitation	97.0 mm (3.8 in)	53 of 100 (Notable)
Danbulla Forestry	Australia	Record daily precipitation	47.8 mm (1.9 in)	52 of 100 (Notable)
Bryn Euryn	Australia	Record daily precipitation	62.2 mm (2.4 in)	52 of 100 (Notable)
Pechey Forestry	Australia	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Buchan	Australia	Record daily precipitation	72.6 mm (2.9 in)	52 of 100 (Notable)
Clydebank	Australia	Record daily precipitation	55.1 mm (2.2 in)	52 of 100 (Notable)
Jimbour State School	Australia	Record daily precipitation	37.6 mm (1.5 in)	51 of 100 (Notable)
Arcturus Downs	Australia	Record daily precipitation	44.7 mm (1.8 in)	50 of 100 (Notable)
Tathra Post Office	Australia	Record daily precipitation	90.9 mm (3.6 in)	50 of 100 (Notable)
Countegany	Australia	Record daily precipitation	57.2 mm (2.3 in)	50 of 100 (Notable)
Nimmitabel Wastewater Treatmen	Australia	Record daily precipitation	45.7 mm (1.8 in)	50 of 100 (Notable)
Paupong Station	Australia	Record daily precipitation	57.7 mm (2.3 in)	50 of 100 (Notable)
Marlo	Australia	Record daily precipitation	82.6 mm (3.3 in)	50 of 100 (Notable)
Giffard	Australia	Record daily precipitation	80.0 mm (3.1 in)	50 of 100 (Notable)
Rosedale	Australia	Record daily precipitation	40.9 mm (1.6 in)	50 of 100 (Notable)
Seaspray (Burong)	Australia	Record daily precipitation	75.2 mm (3.0 in)	50 of 100 (Notable)
Yarraman Post Office	Australia	Record daily precipitation	56.6 mm (2.2 in)	49 of 100 (Notable)
Morven Post Office	Australia	Record daily precipitation	47.5 mm (1.9 in)	49 of 100 (Notable)
Craigie (Bondi Forest Lodge)	Australia	Record daily precipitation	76.7 mm (3.0 in)	49 of 100 (Notable)
Brodribb River	Australia	Record daily precipitation	106.7 mm (4.2 in)	49 of 100 (Notable)
Reedy Flat	Australia	Record daily precipitation	66.5 mm (2.6 in)	49 of 100 (Notable)
Fernbank	Australia	Record daily precipitation	85.6 mm (3.4 in)	49 of 100 (Notable)
Kumbia Post Office	Australia	Record daily precipitation	57.4 mm (2.3 in)	48 of 100 (Notable)
Bombala (Cambalong)	Australia	Record daily precipitation	52.8 mm (2.1 in)	48 of 100 (Notable)
Delegate Station	Australia	Record daily precipitation	46.5 mm (1.8 in)	48 of 100 (Notable)
Delegate River	Australia	Record daily precipitation	66.0 mm (2.6 in)	48 of 100 (Notable)
Western Creek	Australia	Record daily precipitation	37.3 mm (1.5 in)	47 of 100 (Notable)
Windermere	Australia	Record daily precipitation	52.8 mm (2.1 in)	47 of 100 (Notable)
Bega (Newtown Road)	Australia	Record daily precipitation	126.2 mm (5.0 in)	47 of 100 (Notable)
Bukalong Station	Australia	Record daily precipitation	57.2 mm (2.3 in)	47 of 100 (Notable)
Bowenville	Australia	Record daily precipitation	33.8 mm (1.3 in)	46 of 100 (Notable)
Nelligen (Thule Road)	Australia	Record daily precipitation	238.8 mm (9.4 in)	46 of 100 (Notable)
Nikolaev	Ukraine	Record daily precipitation	32.0 mm (1.3 in)	46 of 100 (Notable)
Dalby Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	45 of 100 (Notable)
Gatton Allan Street	Australia	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Jondaryan Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	44 of 100 (Notable)
Bushy Park	Australia	Record daily precipitation	56.6 mm (2.2 in)	44 of 100 (Notable)
Tarong	Australia	Record daily precipitation	74.2 mm (2.9 in)	43 of 100 (Notable)
Batemans Bay Post Office	Australia	Record daily precipitation	155.2 mm (6.1 in)	43 of 100 (Notable)
Wyndham Post Office	Australia	Record daily precipitation	115.6 mm (4.6 in)	43 of 100 (Notable)
Alberton Post Office	Australia	Record daily precipitation	55.1 mm (2.2 in)	43 of 100 (Notable)
Cooyar Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	42 of 100 (Notable)
Helidon Post Office	Australia	Record daily precipitation	52.1 mm (2.1 in)	42 of 100 (Notable)
Blackwarry	Australia	Record daily precipitation	63.2 mm (2.5 in)	42 of 100 (Notable)

Counts by Type and Timescale

732 records

Records set or tied on 20 May 1963 by type: Highest daily maximum 117, Lowest daily maximum 46, Highest daily minimum 90, Lowest daily minimum 58, Heaviest daily rainfall 417, Heaviest daily snowfall 4.

Records on 20 May 1963 by type
Record type	Records
Highest daily maximum	117
Lowest daily maximum	46
Highest daily minimum	90
Lowest daily minimum	58
Heaviest daily rainfall	417
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 20 May 1963 by timescale: all-time 0, monthly 34, daily 698.

How Much Records Were Beaten By

634 broken records

Margins by which the 634 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 208.6. Ties are not counted.

Top 20 by Significance

20 May 1963

Top 20 records on 20 May 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1963	Lakes Entrance Post Office, AU	monthly rain	128.8 mm (5.1 in)	52.6 mm (2.1 in)	50 years	73 of 100 (Major)
20 May 1963	Jimenbuen, AU	daily rain	68.1 mm (2.7 in)	61.0 mm (2.4 in)	66 years	67 of 100 (Major)
20 May 1963	Delegate (Weewalla), AU	daily rain	52.3 mm (2.1 in)	43.4 mm (1.7 in)	65 years	66 of 100 (Major)
20 May 1963	Eidsvold Post Office, AU	daily rain	82.6 mm (3.3 in)	64.1 mm (2.5 in)	60 years	65 of 100 (Major)
20 May 1963	Orbost (Comparison), AU	daily rain	84.8 mm (3.3 in)	74.1 mm (2.9 in)	41 years	60 of 100 (Major)
20 May 1963	Stradbroke West (Inglenook), AU	daily rain	46.2 mm (1.8 in)	31.5 mm (1.2 in)	44 years	60 of 100 (Major)
20 May 1963	Wulgulmerang, AU	daily rain	46.0 mm (1.8 in)	33.3 mm (1.3 in)	61 years	59 of 100 (Notable)
20 May 1963	Port Albert, AU	monthly rain	88.4 mm (3.5 in)	27.4 mm (1.1 in)	3 years	59 of 100 (Notable)
20 May 1963	Nicholson (Yendalock), AU	daily rain	68.6 mm (2.7 in)	59.7 mm (2.4 in)	44 years	58 of 100 (Notable)
20 May 1963	Irvingdale Post Office, AU	daily rain	38.9 mm (1.5 in)	38.9 mm (1.5 in)	52 years	57 of 100 (Notable)
20 May 1963	Bonang, AU	daily rain	64.3 mm (2.5 in)	38.9 mm (1.5 in)	65 years	57 of 100 (Notable)
20 May 1963	Nowa Nowa (Wairewa), AU	daily rain	53.3 mm (2.1 in)	48.2 mm (1.9 in)	41 years	57 of 100 (Notable)
20 May 1963	Paynesville, AU	daily rain	107.2 mm (4.2 in)	97.0 mm (3.8 in)	40 years	57 of 100 (Notable)
20 May 1963	Dutson, AU	monthly rain	74.9 mm (2.9 in)	28.7 mm (1.1 in)	0 years	56 of 100 (Notable)
20 May 1963	Kingaroy Prince Street, AU	daily rain	59.2 mm (2.3 in)	50.3 mm (2.0 in)	30 years	54 of 100 (Notable)
20 May 1963	Cooma (Carlaminda), AU	daily rain	42.2 mm (1.7 in)	31.8 mm (1.3 in)	65 years	54 of 100 (Notable)
20 May 1963	Glen Cairn, AU	daily rain	97.0 mm (3.8 in)	89.4 mm (3.5 in)	30 years	53 of 100 (Notable)
20 May 1963	Danbulla Forestry, AU	daily rain	47.8 mm (1.9 in)	30.0 mm (1.2 in)	28 years	52 of 100 (Notable)
20 May 1963	Bryn Euryn, AU	daily rain	62.2 mm (2.4 in)	54.6 mm (2.1 in)	44 years	52 of 100 (Notable)
20 May 1963	Pechey Forestry, AU	daily rain	50.8 mm (2.0 in)	39.4 mm (1.6 in)	30 years	52 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 1963

Records set or tied on this calendar date in each year from 1802 to 1963. 1963 had 732 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 1963-05-20: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	612
50 to 100	21
100 to 150	0
150 to 200	0
200 to 250	1