Weather Records on 20 May 1968

743 weather records were set or tied worldwide on 20 May 1968. Highest significance: Bidyadanga, AU.

Key Facts for 20 May 1968

On 20 May 1968, 743 weather records were set or tied at long-record stations worldwide.
128 were record highs and 416 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 733 daily.
Bidyadanga set a daily record precipitation of 90.2 mm (3.6 in) on 20 May 1968.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 454 records.

Record Map

743 stations

743 station records on 20 May 1968 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1968: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bidyadanga	Australia	Record daily precipitation	90.2 mm (3.6 in)	54 of 100 (Notable)
Belem de Sao Francisco	Brazil	Record daily precipitation	50.0 mm (2.0 in)	52 of 100 (Notable)
Vancouver City Hall	Canada	Record daily precipitation	32.5 mm (1.3 in)	49 of 100 (Notable)
Konstantinovsk	Russia	Record daily precipitation	40.5 mm (1.6 in)	49 of 100 (Notable)
Ellendale	Australia	Record daily precipitation	29.7 mm (1.2 in)	48 of 100 (Notable)
Delmiro Gouveia (Pedra)	Brazil	Record daily precipitation	43.4 mm (1.7 in)	47 of 100 (Notable)
Simojovel (Smn)	Mexico	Record daily precipitation	48.8 mm (1.9 in)	47 of 100 (Notable)
Batlow Post Office	Australia	Record daily precipitation	62.7 mm (2.5 in)	46 of 100 (Notable)
Riva	Italy	Record low minimum temperature	5.0 C (41.0 F)	46 of 100 (Notable)
Iguala (Smn)	Mexico	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Ness City	United States	Record low maximum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Paripiranga	Brazil	Record daily precipitation	56.0 mm (2.2 in)	40 of 100 (Notable)
Serra Talhada	Brazil	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record low maximum temperature	-2.1 C (28.2 F)	37 of 100 (Notable)
Vancouver 4 NNE	United States	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Ternej	Russia	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Kamloops	Canada	Record high minimum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Zagreb-Gric	Croatia	Record low minimum temperature	4.0 C (39.2 F)	34 of 100 (Routine)
El Salto (Smn)	Mexico	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Melnichnoe	Russia	Record daily precipitation	43.0 mm (1.7 in)	34 of 100 (Routine)
Chickamauga 2 SW	United States	Record low minimum temperature	3.9 C (39.0 F)	34 of 100 (Routine)
Saginaw	United States	Record daily precipitation	34.5 mm (1.4 in)	34 of 100 (Routine)
Kelso	United States	Record daily precipitation	32.5 mm (1.3 in)	34 of 100 (Routine)
Fitzroy Crossing Comp.	Australia	Record daily precipitation	41.4 mm (1.6 in)	33 of 100 (Routine)
Skuitklip	South Africa	Record daily precipitation	34.0 mm (1.3 in)	33 of 100 (Routine)
Martinsdale 3 NNW	United States	Record low minimum temperature	-4.4 C (24.1 F)	33 of 100 (Routine)
Rosebery	Australia	Record daily precipitation	60.7 mm (2.4 in)	32 of 100 (Routine)
Brockville	Canada	Record low maximum temperature	10.6 C (51.1 F)	32 of 100 (Routine)
Valley Head	United States	Record low minimum temperature	2.8 C (37.0 F)	32 of 100 (Routine)
McCloud	United States	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Columbus	United States	Record low maximum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Gogo Station	Australia	Record daily precipitation	57.7 mm (2.3 in)	31 of 100 (Routine)
Vicosa Do Ceara	Brazil	Record daily precipitation	58.1 mm (2.3 in)	31 of 100 (Routine)
Madison	United States	Record low minimum temperature	5.6 C (42.1 F)	31 of 100 (Routine)
Ozark 6 NNW	United States	Record low minimum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Ft Ross	United States	Record high minimum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Princeton	United States	Record low maximum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Vale	United States	Record low minimum temperature	-4.4 C (24.1 F)	31 of 100 (Routine)
Brownsville	United States	Record low maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Lankeys Creek (Woodridge)	Australia	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Graca	Brazil	Record daily precipitation	63.1 mm (2.5 in)	30 of 100 (Routine)
Florence	United States	Record low minimum temperature	5.0 C (41.0 F)	30 of 100 (Routine)
Scottsboro	United States	Record low minimum temperature	5.6 C (42.1 F)	30 of 100 (Routine)
Fayetteville Exp STN	United States	Record low maximum temperature	17.2 C (63.0 F)	30 of 100 (Routine)
Americus	United States	Record low minimum temperature	10.6 C (51.1 F)	30 of 100 (Routine)
Griffin	United States	Record low minimum temperature	9.4 C (48.9 F)	30 of 100 (Routine)
Tallapoosa 2 N	United States	Record low minimum temperature	3.9 C (39.0 F)	30 of 100 (Routine)
Birch Tree	United States	Record low minimum temperature	2.2 C (36.0 F)	30 of 100 (Routine)
Oregon	United States	Record low minimum temperature	2.8 C (37.0 F)	30 of 100 (Routine)
Wibaux 2 E	United States	Record low minimum temperature	-7.8 C (18.0 F)	30 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	1.0 C (33.8 F)	29 of 100 (Routine)
Walnut Creek 2 ESE	United States	Record high minimum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Riggins	United States	Record high minimum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Greenwood	United States	Record low minimum temperature	7.2 C (45.0 F)	29 of 100 (Routine)
Orman Dam	United States	Record low minimum temperature	-3.9 C (25.0 F)	29 of 100 (Routine)
Grapevine Dam	United States	Record low maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Timboon	Australia	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Moorina (Frome Dam)	Australia	Record daily precipitation	34.8 mm (1.4 in)	28 of 100 (Routine)
Tacaratu	Brazil	Record daily precipitation	38.0 mm (1.5 in)	28 of 100 (Routine)

Counts by Type and Timescale

743 records

Records set or tied on 20 May 1968 by type: Highest daily maximum 28, Lowest daily maximum 136, Highest daily minimum 100, Lowest daily minimum 280, Heaviest daily rainfall 196, Deepest snow cover 3.

Records on 20 May 1968 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	136
Highest daily minimum	100
Lowest daily minimum	280
Heaviest daily rainfall	196
Heaviest daily snowfall	0
Deepest snow cover	3

Records on 20 May 1968 by timescale: all-time 0, monthly 10, daily 733.

How Much Records Were Beaten By

585 broken records

Margins by which the 585 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

20 May 1968

Top 20 records on 20 May 1968 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1968	Bidyadanga, AU	daily rain	90.2 mm (3.6 in)	81.3 mm (3.2 in)	36 years	54 of 100 (Notable)
20 May 1968	Belem de Sao Francisco, BR	daily rain	50.0 mm (2.0 in)	50.0 mm (2.0 in)	33 years	52 of 100 (Notable)
20 May 1968	Vancouver City Hall, CA	daily rain	32.5 mm (1.3 in)	25.4 mm (1.0 in)	18 years	49 of 100 (Notable)
20 May 1968	Konstantinovsk, RU	daily rain	40.5 mm (1.6 in)	34.1 mm (1.3 in)	20 years	49 of 100 (Notable)
20 May 1968	Ellendale, AU	daily rain	29.7 mm (1.2 in)	29.7 mm (1.2 in)	49 years	48 of 100 (Notable)
20 May 1968	Delmiro Gouveia (Pedra), BR	daily rain	43.4 mm (1.7 in)	30.9 mm (1.2 in)	22 years	47 of 100 (Notable)
20 May 1968	Simojovel (Smn), MX	daily rain	48.8 mm (1.9 in)	38.9 mm (1.5 in)	37 years	47 of 100 (Notable)
20 May 1968	Batlow Post Office, AU	daily rain	62.7 mm (2.5 in)	22.6 mm (0.9 in)	78 years	46 of 100 (Notable)
20 May 1968	Riva, IT	daily low min	5.0 C (41.0 F)	3.3 C (5.9 F)	87 years	46 of 100 (Notable)
20 May 1968	Iguala (Smn), MX	daily rain	37.6 mm (1.5 in)	23.1 mm (0.9 in)	44 years	42 of 100 (Notable)
20 May 1968	Ness City, US	daily low max	11.1 C (52.0 F)	8.3 C (14.9 F)	68 years	41 of 100 (Notable)
20 May 1968	Paripiranga, BR	daily rain	56.0 mm (2.2 in)	32.9 mm (1.3 in)	19 years	40 of 100 (Notable)
20 May 1968	Serra Talhada, BR	daily rain	43.2 mm (1.7 in)	23.3 mm (0.9 in)	44 years	38 of 100 (Notable)
20 May 1968	Col du Grand St-Bernard, CH	daily low max	-2.1 C (28.2 F)	0.8 C (1.4 F)	87 years	37 of 100 (Notable)
20 May 1968	Vancouver 4 NNE, US	daily rain	30.5 mm (1.2 in)	13.0 mm (0.5 in)	8 years	37 of 100 (Notable)
20 May 1968	Ternej, RU	daily rain	35.3 mm (1.4 in)	19.1 mm (0.8 in)	41 years	35 of 100 (Notable)
20 May 1968	Kamloops, CA	daily high min	15.6 C (60.1 F)	2.3 C (4.1 F)	70 years	34 of 100 (Routine)
20 May 1968	Zagreb-Gric, HR	daily low min	4.0 C (39.2 F)	0.7 C (1.3 F)	82 years	34 of 100 (Routine)
20 May 1968	El Salto (Smn), MX	daily rain	30.0 mm (1.2 in)	17.0 mm (0.7 in)	36 years	34 of 100 (Routine)
20 May 1968	Melnichnoe, RU	monthly rain	43.0 mm (1.7 in)	10.1 mm (0.4 in)	11 years	34 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 1968

Records set or tied on this calendar date in each year from 1802 to 1968. 1968 had 743 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 1968-05-20: 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 20	565
20 to 40	15
40 to 60	2
60 to 80	0
80 to 100	2
100 to 120	0
120 to 140	0
140 to 160	1