Weather Records on 21 May 1976

393 weather records were set or tied worldwide on 21 May 1976. Highest significance: Timbauba, BR.

Key Facts for 21 May 1976

On 21 May 1976, 393 weather records were set or tied at long-record stations worldwide.
55 were record highs and 129 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 3 monthly and 389 daily.
Timbauba set a daily record precipitation of 95.0 mm (3.7 in) on 21 May 1976.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

393 stations

393 station records on 21 May 1976 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 May 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Timbauba	Brazil	Record daily precipitation	95.0 mm (3.7 in)	64 of 100 (Major)
Shamakhy	Azerbaijan	Record daily precipitation	87.2 mm (3.4 in)	62 of 100 (Major)
Spicer	United States	Record daily precipitation	27.4 mm (1.1 in)	55 of 100 (Notable)
Sibasa	South Africa	Record daily precipitation	56.5 mm (2.2 in)	51 of 100 (Notable)
Fazenda N.S.Aparecida	Brazil	Record daily precipitation	49.0 mm (1.9 in)	48 of 100 (Notable)
Sanderson	United States	Record daily precipitation	53.8 mm (2.1 in)	48 of 100 (Notable)
Borzomi	Georgia	Record daily precipitation	35.3 mm (1.4 in)	47 of 100 (Notable)
Araujos	Brazil	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Areia (Ufpb)	Brazil	Record daily precipitation	71.8 mm (2.8 in)	39 of 100 (Notable)
Toccoa	United States	Record low minimum temperature	0.6 C (33.1 F)	39 of 100 (Notable)
Ungowa Forest Station	Australia	Record daily precipitation	82.8 mm (3.3 in)	38 of 100 (Notable)
Cape Leeuwin	Australia	Record high maximum temperature	28.0 C (82.4 F)	37 of 100 (Notable)
Buderim Post Office	Australia	Record daily precipitation	58.6 mm (2.3 in)	37 of 100 (Notable)
Inskip Point Lighthouse	Australia	Record daily precipitation	42.4 mm (1.7 in)	37 of 100 (Notable)
Vladikavkaz	Russia	Record daily precipitation	37.1 mm (1.5 in)	37 of 100 (Notable)
Cooroy Composite	Australia	Record daily precipitation	42.0 mm (1.7 in)	36 of 100 (Notable)
McKinley Park	United States	Record daily precipitation	29.5 mm (1.2 in)	36 of 100 (Notable)
Canton 4 SE	United States	Record low maximum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Mooloolah Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	34 of 100 (Routine)
Nova Cruz	Brazil	Record daily precipitation	144.0 mm (5.7 in)	34 of 100 (Routine)
Greensboro	United States	Record low minimum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Nambour Bowling Club	Australia	Record daily precipitation	34.4 mm (1.4 in)	33 of 100 (Routine)
Tewantin Post Office	Australia	Record daily precipitation	71.4 mm (2.8 in)	33 of 100 (Routine)
Olivedos (Sao Francisco)	Brazil	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Arcadia	United States	Record low maximum temperature	27.8 C (82.0 F)	33 of 100 (Routine)
White Lake	United States	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
San Marcos	United States	Record low maximum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Maleny Tamarind St	Australia	Record daily precipitation	42.4 mm (1.7 in)	32 of 100 (Routine)
Mapleton Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Bakuriani	Georgia	Record daily precipitation	41.9 mm (1.6 in)	32 of 100 (Routine)
Luna Rs	United States	Record high minimum temperature	11.1 C (52.0 F)	32 of 100 (Routine)
New Braunfels	United States	Record low maximum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Maroochydore Swan Bowls Club	Australia	Record daily precipitation	58.0 mm (2.3 in)	30 of 100 (Routine)
San Francisco Tlalcilalcalpan	Mexico	Record low minimum temperature	1.7 C (35.1 F)	30 of 100 (Routine)
Bradford Cntrl Fs	United States	Record daily precipitation	27.2 mm (1.1 in)	30 of 100 (Routine)
Palmwoods Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Nikolskoye/Beringa Ostrov	Russia	Record low maximum temperature	1.8 C (35.2 F)	29 of 100 (Routine)
Tamiami Trail 40 Mi Bend	United States	Record low maximum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
McKinley Park	United States	Record daily snowfall	11.4 cm (4.5 in)	29 of 100 (Routine)
Landsborough Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Lockhart	United States	Record daily precipitation	78.7 mm (3.1 in)	28 of 100 (Routine)
Turgaj	Kazakhstan	Record high minimum temperature	18.0 C (64.4 F)	27 of 100 (Routine)
Bald Knob	Australia	Record daily precipitation	39.0 mm (1.5 in)	26 of 100 (Routine)
Pomona Post Office	Australia	Record daily precipitation	27.0 mm (1.1 in)	26 of 100 (Routine)
Valley Head	United States	Record low minimum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
El Vado Dam	United States	Record high minimum temperature	8.9 C (48.0 F)	26 of 100 (Routine)
Mons Mari	Australia	Record daily precipitation	59.0 mm (2.3 in)	25 of 100 (Routine)
Colton Railway Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	25 of 100 (Routine)
Alto Alegre	Brazil	Record daily precipitation	49.0 mm (1.9 in)	25 of 100 (Routine)
Dumas	United States	Record daily precipitation	27.4 mm (1.1 in)	25 of 100 (Routine)
Maleny Denning Rd	Australia	Record daily precipitation	28.4 mm (1.1 in)	24 of 100 (Routine)
Yajlju	Russia	Record daily precipitation	29.5 mm (1.2 in)	24 of 100 (Routine)
Union	United States	Record low minimum temperature	-3.9 C (25.0 F)	24 of 100 (Routine)
Harlingen	United States	Record low maximum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Denmark	Australia	Record daily precipitation	30.6 mm (1.2 in)	23 of 100 (Routine)
Youngs Siding	Australia	Record daily precipitation	32.0 mm (1.3 in)	23 of 100 (Routine)
Caloundra Signal Station	Australia	Record daily precipitation	48.9 mm (1.9 in)	23 of 100 (Routine)
Montville "Craglands"	Australia	Record daily precipitation	30.0 mm (1.2 in)	23 of 100 (Routine)
Yandina Post Office	Australia	Record daily precipitation	26.0 mm (1.0 in)	23 of 100 (Routine)
Tierra Blanca (Smn)	Mexico	Record low minimum temperature	15.6 C (60.1 F)	23 of 100 (Routine)

Counts by Type and Timescale

393 records

Records set or tied on 21 May 1976 by type: Highest daily maximum 18, Lowest daily maximum 60, Highest daily minimum 37, Lowest daily minimum 69, Heaviest daily rainfall 203, Heaviest daily snowfall 2, Deepest snow cover 4.

Records on 21 May 1976 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	60
Highest daily minimum	37
Lowest daily minimum	69
Heaviest daily rainfall	203
Heaviest daily snowfall	2
Deepest snow cover	4

Records on 21 May 1976 by timescale: all-time 1, monthly 3, daily 389.

How Much Records Were Beaten By

324 broken records

Margins by which the 324 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 114.0. Ties are not counted.

Top 20 by Significance

21 May 1976

Top 20 records on 21 May 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 May 1976	Timbauba, BR	daily rain	95.0 mm (3.7 in)	67.3 mm (2.6 in)	62 years	64 of 100 (Major)
21 May 1976	Shamakhy, AZ	monthly rain	87.2 mm (3.4 in)	47.4 mm (1.9 in)	29 years	62 of 100 (Major)
21 May 1976	Spicer, US	daily rain	27.4 mm (1.1 in)	14.7 mm (0.6 in)	66 years	55 of 100 (Notable)
21 May 1976	Sibasa, ZA	daily rain	56.5 mm (2.2 in)	53.5 mm (2.1 in)	19 years	51 of 100 (Notable)
21 May 1976	Fazenda N.S.Aparecida, BR	daily rain	49.0 mm (1.9 in)	44.5 mm (1.8 in)	28 years	48 of 100 (Notable)
21 May 1976	Sanderson, US	daily rain	53.8 mm (2.1 in)	44.1 mm (1.7 in)	13 years	48 of 100 (Notable)
21 May 1976	Borzomi, GE	daily rain	35.3 mm (1.4 in)	24.8 mm (1.0 in)	12 years	47 of 100 (Notable)
21 May 1976	Araujos, BR	daily rain	31.0 mm (1.2 in)	22.6 mm (0.9 in)	30 years	40 of 100 (Notable)
21 May 1976	Areia (Ufpb), BR	daily rain	71.8 mm (2.8 in)	31.8 mm (1.3 in)	33 years	39 of 100 (Notable)
21 May 1976	Toccoa, US	monthly low min	0.6 C (33.1 F)	0.5 C (0.9 F)	67 years	39 of 100 (Notable)
21 May 1976	Ungowa Forest Station, AU	daily rain	82.8 mm (3.3 in)	37.8 mm (1.5 in)	38 years	38 of 100 (Notable)
21 May 1976	Cape Leeuwin, AU	daily high max	28.0 C (82.4 F)	2.9 C (5.2 F)	61 years	37 of 100 (Notable)
21 May 1976	Buderim Post Office, AU	daily rain	58.6 mm (2.3 in)	33.7 mm (1.3 in)	54 years	37 of 100 (Notable)
21 May 1976	Inskip Point Lighthouse, AU	daily rain	42.4 mm (1.7 in)	3.8 mm (0.15 in)	87 years	37 of 100 (Notable)
21 May 1976	Vladikavkaz, RU	daily rain	37.1 mm (1.5 in)	11.1 mm (0.4 in)	62 years	37 of 100 (Notable)
21 May 1976	Cooroy Composite, AU	daily rain	42.0 mm (1.7 in)	14.1 mm (0.6 in)	70 years	36 of 100 (Notable)
21 May 1976	McKinley Park, US	daily rain	29.5 mm (1.2 in)	22.6 mm (0.9 in)	26 years	36 of 100 (Notable)
21 May 1976	Canton 4 SE, US	daily low max	8.3 C (46.9 F)	1.7 C (3.1 F)	80 years	35 of 100 (Notable)
21 May 1976	Mooloolah Post Office, AU	daily rain	36.6 mm (1.4 in)	13.7 mm (0.5 in)	73 years	34 of 100 (Routine)
21 May 1976	Nova Cruz, BR	all-time rain	144.0 mm (5.7 in)	1.5 mm (0.06 in)	30 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

1793 to 1976

Records set or tied on this calendar date in each year from 1793 to 1976. 1976 had 393 records.

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

Records on 05-21 in each year
Year	Records
1793	1
1795	1
1811	1
1837	2
1842	1
1847	2
1854	1
1857	1
1858	1
1865	1
1866	1
1870	2
1875	1
1876	1
1880	2
1882	1
1885	1
1886	2
1887	3
1889	5
1890	3
1891	6
1892	1
1893	1
1894	4
1895	4
1896	5
1897	2
1898	1
1899	5
1900	1
1901	3
1902	4
1903	26
1904	8
1905	7
1906	12
1907	36
1908	13
1909	13
1910	14
1911	87
1912	24
1913	13
1914	26
1915	24
1916	13
1917	76
1918	51
1919	170
1920	39
1921	158
1922	39
1923	125
1924	148
1925	250
1926	221
1927	207
1928	173
1929	247
1930	133
1931	488
1932	343
1933	290
1934	590
1935	190
1936	328
1937	227
1938	348
1939	355
1940	456
1941	525
1942	482
1943	463
1944	310
1945	515
1946	324
1947	485
1948	312
1949	593
1950	403
1951	271
1952	385
1953	501
1954	961
1955	507
1956	409
1957	709
1958	511
1959	684
1960	615
1961	306
1962	553
1963	598
1964	788
1965	238
1966	296
1967	1,022
1968	549
1969	832
1970	449
1971	536
1972	557
1973	493
1974	847
1975	1,160
1976	393
1977	756
1978	575
1979	787
1980	857
1981	1,550
1982	599
1983	1,106
1984	950
1985	610
1986	908
1987	1,242
1988	819
1989	671
1990	947
1991	1,065
1992	1,143
1993	1,197
1994	656
1995	749
1996	1,461
1997	953
1998	1,200
1999	544
2000	897
2001	1,187
2002	2,048
2003	807
2004	898
2005	1,020
2006	810
2007	894
2008	740
2009	1,315
2010	962
2011	959
2012	848
2013	884
2014	522
2015	956
2016	567
2017	780
2018	525
2019	1,668
2020	707
2021	1,131
2022	1,512
2023	794
2024	751
2025	776
2026	356

Download the Data

Data for records on 1976-05-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	296
20 to 40	19
40 to 60	6
60 to 80	2
80 to 100	0
100 to 120	1