Weather Records on 21 June 1973

683 weather records were set or tied worldwide on 21 June 1973. Highest significance: Brownsville, US.

Key Facts for 21 June 1973

On 21 June 1973, 683 weather records were set or tied at long-record stations worldwide.
240 were record highs and 190 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 658 daily.
Brownsville set a daily record precipitation of 86.4 mm (3.4 in) on 21 June 1973.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 430 records.

Record Map

683 stations

683 station records on 21 June 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Brownsville	United States	Record daily precipitation	86.4 mm (3.4 in)	59 of 100 (Notable)
Lugansk	Ukraine	Record daily precipitation	51.6 mm (2.0 in)	58 of 100 (Notable)
Satrovo	Russia	Record daily precipitation	40.6 mm (1.6 in)	51 of 100 (Notable)
Reading Wb City	United States	Record daily precipitation	101.6 mm (4.0 in)	50 of 100 (Notable)
Propria	Brazil	Record daily precipitation	58.2 mm (2.3 in)	49 of 100 (Notable)
Nice	France	Record daily precipitation	38.0 mm (1.5 in)	48 of 100 (Notable)
Glenlyon	Australia	Record daily precipitation	57.9 mm (2.3 in)	47 of 100 (Notable)
Morozovsk	Russia	Record daily precipitation	80.2 mm (3.2 in)	47 of 100 (Notable)
Varzea	Brazil	Record daily precipitation	49.5 mm (1.9 in)	44 of 100 (Notable)
Konstantinovsk	Russia	Record daily precipitation	63.0 mm (2.5 in)	44 of 100 (Notable)
Oceanside Marina	United States	Record high maximum temperature	31.7 C (89.1 F)	44 of 100 (Notable)
Hampshire (Neena Road)	Australia	Record daily precipitation	58.2 mm (2.3 in)	43 of 100 (Notable)
Navarre	Australia	Record daily precipitation	27.9 mm (1.1 in)	42 of 100 (Notable)
Yolla (Sea View)	Australia	Record daily precipitation	57.4 mm (2.3 in)	42 of 100 (Notable)
Tacambaro	Mexico	Record daily precipitation	62.2 mm (2.4 in)	42 of 100 (Notable)
Celina	Russia	Record daily precipitation	28.3 mm (1.1 in)	42 of 100 (Notable)
Santa Paula	United States	Record high maximum temperature	38.9 C (102.0 F)	42 of 100 (Notable)
Brady	United States	Record daily precipitation	54.1 mm (2.1 in)	42 of 100 (Notable)
Midland 4 ENE	United States	Record low minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Knowsley Post Office	Australia	Record daily precipitation	43.9 mm (1.7 in)	40 of 100 (Notable)
Pomona/Fairplex	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Elliott Research Station	Australia	Record daily precipitation	47.5 mm (1.9 in)	39 of 100 (Notable)
Karlsruhe	Germany	Record low maximum temperature	13.0 C (55.4 F)	39 of 100 (Notable)
Chula Vista	United States	Record high maximum temperature	29.4 C (84.9 F)	39 of 100 (Notable)
Princeton Wtr Wks	United States	Record daily precipitation	81.3 mm (3.2 in)	39 of 100 (Notable)
Ridgley	Australia	Record daily precipitation	57.2 mm (2.3 in)	38 of 100 (Notable)
Union de Tula	Mexico	Record daily precipitation	53.8 mm (2.1 in)	38 of 100 (Notable)
Rangely 1E	United States	Record low minimum temperature	-1.7 C (28.9 F)	38 of 100 (Notable)
Luling	United States	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Tullaroop Reservoir	Australia	Record daily precipitation	31.8 mm (1.3 in)	37 of 100 (Notable)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	53.8 mm (2.1 in)	37 of 100 (Notable)
Nizhni Sirohozy	Ukraine	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Los Angeles Downtown/Usc	United States	Record high maximum temperature	40.6 C (105.1 F)	37 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record low minimum temperature	-5.3 C (22.5 F)	36 of 100 (Notable)
Amvrosiivka	Ukraine	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Claremont Pomona Clg	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
U C L A	United States	Record high maximum temperature	35.6 C (96.1 F)	36 of 100 (Notable)
U C L A	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Mole Creek	Australia	Record daily precipitation	40.1 mm (1.6 in)	35 of 100 (Notable)
San Andres	Mexico	Record daily precipitation	126.0 mm (5.0 in)	35 of 100 (Notable)
Krasnoufimsk	Russia	Record daily precipitation	34.2 mm (1.3 in)	35 of 100 (Notable)
Whatley	United States	Record daily precipitation	78.7 mm (3.1 in)	35 of 100 (Notable)
Escondido	United States	Record high maximum temperature	39.4 C (102.9 F)	35 of 100 (Notable)
Bosque del Apache	United States	Record low minimum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
Sao Luiz Do Quitunde	Brazil	Record daily precipitation	76.0 mm (3.0 in)	34 of 100 (Routine)
Cuatro Cienegas (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
San Luis Obispo Poly	United States	Record high minimum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Yorba Linda	United States	Record high maximum temperature	40.6 C (105.1 F)	34 of 100 (Routine)
Newcomb 3 W	United States	Record daily precipitation	52.6 mm (2.1 in)	34 of 100 (Routine)
Shepherds Flat	Australia	Record daily precipitation	58.7 mm (2.3 in)	33 of 100 (Routine)
Ulverstone (Knights Road)	Australia	Record daily precipitation	27.2 mm (1.1 in)	33 of 100 (Routine)
Ntazepetrovsk	Russia	Record daily precipitation	25.3 mm (1.0 in)	33 of 100 (Routine)
Alfred	United States	Record high minimum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Seminole	United States	Record low minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Torrance AP	United States	Record high maximum temperature	35.6 C (96.1 F)	33 of 100 (Routine)
Boulia Airport	Australia	Record high minimum temperature	17.5 C (63.5 F)	32 of 100 (Routine)
Bealiba	Australia	Record daily precipitation	31.2 mm (1.2 in)	32 of 100 (Routine)
James Island	Canada	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Huauchinango	Mexico	Record daily precipitation	84.8 mm (3.3 in)	32 of 100 (Routine)
Culver City	United States	Record high maximum temperature	34.4 C (93.9 F)	32 of 100 (Routine)

Counts by Type and Timescale

683 records

Records set or tied on 21 June 1973 by type: Highest daily maximum 123, Lowest daily maximum 83, Highest daily minimum 117, Lowest daily minimum 107, Heaviest daily rainfall 253.

Records on 21 June 1973 by type
Record type	Records
Highest daily maximum	123
Lowest daily maximum	83
Highest daily minimum	117
Lowest daily minimum	107
Heaviest daily rainfall	253
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 June 1973 by timescale: all-time 1, monthly 24, daily 658.

How Much Records Were Beaten By

550 broken records

Margins by which the 550 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 67.6. Ties are not counted.

Top 20 by Significance

21 June 1973

Top 20 records on 21 June 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1973	Brownsville, US	daily rain	86.4 mm (3.4 in)	67.6 mm (2.7 in)	68 years	59 of 100 (Notable)
21 June 1973	Lugansk, UA	daily rain	51.6 mm (2.0 in)	25.0 mm (1.0 in)	63 years	58 of 100 (Notable)
21 June 1973	Satrovo, RU	daily rain	40.6 mm (1.6 in)	29.7 mm (1.2 in)	28 years	51 of 100 (Notable)
21 June 1973	Reading Wb City, US	daily rain	101.6 mm (4.0 in)	58.2 mm (2.3 in)	3 years	50 of 100 (Notable)
21 June 1973	Propria, BR	daily rain	58.2 mm (2.3 in)	30.4 mm (1.2 in)	38 years	49 of 100 (Notable)
21 June 1973	Nice, FR	daily rain	38.0 mm (1.5 in)	37.3 mm (1.5 in)	23 years	48 of 100 (Notable)
21 June 1973	Glenlyon, AU	monthly rain	57.9 mm (2.3 in)	8.4 mm (0.33 in)	66 years	47 of 100 (Notable)
21 June 1973	Morozovsk, RU	all-time rain	80.2 mm (3.2 in)	18.6 mm (0.7 in)	2 years	47 of 100 (Notable)
21 June 1973	Varzea, BR	daily rain	49.5 mm (1.9 in)	44.1 mm (1.7 in)	0 years	44 of 100 (Notable)
21 June 1973	Konstantinovsk, RU	monthly rain	63.0 mm (2.5 in)	14.2 mm (0.6 in)	37 years	44 of 100 (Notable)
21 June 1973	Oceanside Marina, US	daily high max	31.7 C (89.1 F)	7.3 C (13.1 F)	7 years	44 of 100 (Notable)
21 June 1973	Hampshire (Neena Road), AU	daily rain	58.2 mm (2.3 in)	29.0 mm (1.1 in)	44 years	43 of 100 (Notable)
21 June 1973	Navarre, AU	daily rain	27.9 mm (1.1 in)	11.4 mm (0.4 in)	64 years	42 of 100 (Notable)
21 June 1973	Yolla (Sea View), AU	daily rain	57.4 mm (2.3 in)	28.7 mm (1.1 in)	38 years	42 of 100 (Notable)
21 June 1973	Tacambaro, MX	daily rain	62.2 mm (2.4 in)	27.4 mm (1.1 in)	46 years	42 of 100 (Notable)
21 June 1973	Celina, RU	daily rain	28.3 mm (1.1 in)	24.5 mm (1.0 in)	28 years	42 of 100 (Notable)
21 June 1973	Santa Paula, US	daily high max	38.9 C (102.0 F)	6.1 C (11.0 F)	56 years	42 of 100 (Notable)
21 June 1973	Brady, US	daily rain	54.1 mm (2.1 in)	49.8 mm (2.0 in)	14 years	42 of 100 (Notable)
21 June 1973	Midland 4 ENE, US	daily low min	10.6 C (51.1 F)	3.3 C (5.9 F)	77 years	41 of 100 (Notable)
21 June 1973	Knowsley Post Office, AU	daily rain	43.9 mm (1.7 in)	18.5 mm (0.7 in)	28 years	40 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 1973

Records set or tied on this calendar date in each year from 1802 to 1973. 1973 had 683 records.

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

Records on 06-21 in each year
Year	Records
1802	1
1803	2
1805	1
1814	1
1821	3
1828	1
1831	1
1839	2
1846	1
1853	1
1855	1
1861	3
1865	1
1868	1
1869	4
1870	3
1871	1
1873	1
1874	1
1875	2
1879	1
1880	1
1881	1
1882	1
1883	1
1884	2
1885	1
1886	3
1887	1
1888	3
1889	1
1891	1
1892	2
1893	7
1895	6
1896	3
1897	3
1898	6
1899	6
1900	6
1901	5
1902	20
1903	15
1904	7
1905	14
1906	19
1907	15
1908	20
1909	19
1910	36
1911	12
1912	14
1913	34
1914	24
1915	40
1916	80
1917	97
1918	77
1919	32
1920	42
1921	85
1922	43
1923	229
1924	124
1925	333
1926	162
1927	146
1928	139
1929	84
1930	177
1931	340
1932	180
1933	645
1934	223
1935	247
1936	642
1937	475
1938	396
1939	250
1940	674
1941	401
1942	340
1943	439
1944	426
1945	709
1946	386
1947	637
1948	392
1949	391
1950	329
1951	347
1952	502
1953	761
1954	501
1955	271
1956	534
1957	932
1958	627
1959	356
1960	471
1961	956
1962	176
1963	667
1964	458
1965	400
1966	467
1967	789
1968	654
1969	687
1970	614
1971	394
1972	934
1973	683
1974	598
1975	996
1976	746
1977	476
1978	368
1979	857
1980	677
1981	889
1982	658
1983	752
1984	913
1985	516
1986	601
1987	940
1988	1,834
1989	856
1990	847
1991	1,067
1992	1,679
1993	939
1994	777
1995	978
1996	1,075
1997	1,037
1998	1,746
1999	994
2000	1,212
2001	658
2002	828
2003	1,034
2004	697
2005	1,090
2006	774
2007	1,085
2008	580
2009	1,060
2010	852
2011	1,340
2012	1,151
2013	571
2014	434
2015	707
2016	877
2017	954
2018	577
2019	969
2020	519
2021	1,132
2022	774
2023	987
2024	679
2025	1,536
2026	736

Download the Data

Data for records on 1973-06-21: 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 10	470
10 to 20	49
20 to 30	20
30 to 40	4
40 to 50	4
50 to 60	1
60 to 70	2