Weather Records on 21 August 1958

389 weather records were set or tied worldwide on 21 August 1958. Highest significance: Marseille Obs. Palais-Lonchamp, FR.

Key Facts for 21 August 1958

On 21 August 1958, 389 weather records were set or tied at long-record stations worldwide.
138 were record highs and 40 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 380 daily.
Marseille Obs. Palais-Lonchamp set a daily record precipitation of 63.6 mm (2.5 in) on 21 August 1958.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 450 records.

Record Map

389 stations

389 station records on 21 August 1958 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1958: highest significance records shown on the map
Station	Country	Type	Value	Significance
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	63.6 mm (2.5 in)	60 of 100 (Major)
Paravur	India	Record daily precipitation	156.0 mm (6.1 in)	57 of 100 (Notable)
Okmulgee Wtr Wks	United States	Record daily precipitation	87.9 mm (3.5 in)	55 of 100 (Notable)
Kookynie	Australia	Record daily precipitation	35.6 mm (1.4 in)	54 of 100 (Notable)
Aramboly	India	Record daily precipitation	50.8 mm (2.0 in)	53 of 100 (Notable)
Holdenville 2SSE	United States	Record daily precipitation	144.8 mm (5.7 in)	51 of 100 (Notable)
Okemah	United States	Record daily precipitation	123.7 mm (4.9 in)	49 of 100 (Notable)
Silver City	United States	Record daily precipitation	64.8 mm (2.6 in)	47 of 100 (Notable)
Naya Shahr	India	Record daily precipitation	177.8 mm (7.0 in)	46 of 100 (Notable)
Marhaura(Amnar)	India	Record daily precipitation	149.0 mm (5.9 in)	45 of 100 (Notable)
Nagarcoil	India	Record daily precipitation	58.4 mm (2.3 in)	44 of 100 (Notable)
Chernjaevo	Russia	Record daily precipitation	39.9 mm (1.6 in)	44 of 100 (Notable)
St Tite	Canada	Record daily precipitation	64.8 mm (2.6 in)	43 of 100 (Notable)
Pechipparai	India	Record daily precipitation	90.0 mm (3.5 in)	43 of 100 (Notable)
Lingasugur	India	Record daily precipitation	69.3 mm (2.7 in)	42 of 100 (Notable)
Thadikarekonam	India	Record daily precipitation	72.2 mm (2.8 in)	42 of 100 (Notable)
Okay	United States	Record daily precipitation	78.0 mm (3.1 in)	42 of 100 (Notable)
Owosso Wwtp	United States	Record daily precipitation	61.7 mm (2.4 in)	42 of 100 (Notable)
Meycode Adandai	India	Record daily precipitation	94.0 mm (3.7 in)	41 of 100 (Notable)
Lubeck-Werft	Germany	Record daily precipitation	27.0 mm (1.1 in)	40 of 100 (Notable)
Bad Axe	United States	Record daily precipitation	52.1 mm (2.1 in)	39 of 100 (Notable)
Sao Miguel Dos Campos	Brazil	Record daily precipitation	28.8 mm (1.1 in)	38 of 100 (Notable)
East Lansing Exp Farm	United States	Record daily precipitation	51.1 mm (2.0 in)	37 of 100 (Notable)
Dublin 2SE	United States	Record daily precipitation	44.5 mm (1.8 in)	37 of 100 (Notable)
Isseka	Australia	Record daily precipitation	28.7 mm (1.1 in)	36 of 100 (Notable)
Sangareddi(Rev)	India	Record daily precipitation	67.8 mm (2.7 in)	35 of 100 (Notable)
Lowell	United States	Record daily precipitation	59.7 mm (2.4 in)	35 of 100 (Notable)
Texarkana Webb Fld	United States	Record daily precipitation	63.2 mm (2.5 in)	35 of 100 (Notable)
Itabaianinha	Brazil	Record daily precipitation	35.0 mm (1.4 in)	34 of 100 (Routine)
Gage	United States	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Uniao Dos Palmares	Brazil	Record daily precipitation	25.5 mm (1.0 in)	33 of 100 (Routine)
Pte de Chassiron	France	Record daily precipitation	26.4 mm (1.0 in)	33 of 100 (Routine)
Defiance	United States	Record daily precipitation	41.4 mm (1.6 in)	33 of 100 (Routine)
Calvin	United States	Record daily precipitation	97.8 mm (3.9 in)	33 of 100 (Routine)
Causapscal	Canada	Record daily precipitation	29.5 mm (1.2 in)	32 of 100 (Routine)
Raywood Flats	United States	Record daily precipitation	29.5 mm (1.2 in)	32 of 100 (Routine)
Howell Wwtp	United States	Record daily precipitation	39.9 mm (1.6 in)	32 of 100 (Routine)
Arthur City	United States	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Sheohar	India	Record daily precipitation	160.0 mm (6.3 in)	31 of 100 (Routine)
Deoria	India	Record daily precipitation	80.0 mm (3.1 in)	31 of 100 (Routine)
Huichapan	Mexico	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Shawnee	United States	Record daily precipitation	134.6 mm (5.3 in)	31 of 100 (Routine)
Puthendam	India	Record daily precipitation	57.0 mm (2.2 in)	30 of 100 (Routine)
Ozark Beach 2 NNE	United States	Record daily precipitation	34.5 mm (1.4 in)	30 of 100 (Routine)
Eagle Falls	United States	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Rajakkamangalam	India	Record daily precipitation	27.6 mm (1.1 in)	29 of 100 (Routine)
Shorlakode	India	Record daily precipitation	45.8 mm (1.8 in)	29 of 100 (Routine)
Morris River	United States	Record daily precipitation	55.4 mm (2.2 in)	29 of 100 (Routine)
Roby	United States	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Macharla	India	Record daily precipitation	58.4 mm (2.3 in)	28 of 100 (Routine)
Pala	India	Record daily precipitation	68.3 mm (2.7 in)	28 of 100 (Routine)
Dungarpur	India	Record daily precipitation	51.1 mm (2.0 in)	28 of 100 (Routine)
Porthill	United States	Record high maximum temperature	35.0 C (95.0 F)	28 of 100 (Routine)
Mosquero 1 NE	United States	Record daily precipitation	50.0 mm (2.0 in)	28 of 100 (Routine)
Bowling Green Wwtp	United States	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Mc Farland	United States	Record daily precipitation	102.9 mm (4.1 in)	27 of 100 (Routine)
Ft Sumner	United States	Record daily precipitation	46.7 mm (1.8 in)	27 of 100 (Routine)
Purcell 2 SW	United States	Record daily precipitation	36.6 mm (1.4 in)	27 of 100 (Routine)
Spanish Fk Pwr House	United States	Record high minimum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Gumri	Armenia	Record daily precipitation	26.0 mm (1.0 in)	26 of 100 (Routine)

Counts by Type and Timescale

389 records

Records set or tied on 21 August 1958 by type: Highest daily maximum 57, Lowest daily maximum 28, Highest daily minimum 81, Lowest daily minimum 12, Heaviest daily rainfall 211.

Records on 21 August 1958 by type
Record type	Records
Highest daily maximum	57
Lowest daily maximum	28
Highest daily minimum	81
Lowest daily minimum	12
Heaviest daily rainfall	211
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1958 by timescale: all-time 0, monthly 9, daily 380.

How Much Records Were Beaten By

309 broken records

Margins by which the 309 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 115.4. Ties are not counted.

Top 20 by Significance

21 August 1958

Top 20 records on 21 August 1958 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1958	Marseille Obs. Palais-Lonchamp, FR	daily rain	63.6 mm (2.5 in)	37.3 mm (1.5 in)	53 years	60 of 100 (Major)
21 August 1958	Paravur, IN	daily rain	156.0 mm (6.1 in)	115.4 mm (4.5 in)	40 years	57 of 100 (Notable)
21 August 1958	Okmulgee Wtr Wks, US	daily rain	87.9 mm (3.5 in)	79.0 mm (3.1 in)	37 years	55 of 100 (Notable)
21 August 1958	Kookynie, AU	daily rain	35.6 mm (1.4 in)	20.4 mm (0.8 in)	39 years	54 of 100 (Notable)
21 August 1958	Aramboly, IN	daily rain	50.8 mm (2.0 in)	43.9 mm (1.7 in)	27 years	53 of 100 (Notable)
21 August 1958	Holdenville 2SSE, US	daily rain	144.8 mm (5.7 in)	110.0 mm (4.3 in)	20 years	51 of 100 (Notable)
21 August 1958	Okemah, US	monthly rain	123.7 mm (4.9 in)	32.3 mm (1.3 in)	43 years	49 of 100 (Notable)
21 August 1958	Silver City, US	daily rain	64.8 mm (2.6 in)	31.0 mm (1.2 in)	37 years	47 of 100 (Notable)
21 August 1958	Naya Shahr, IN	daily rain	177.8 mm (7.0 in)	97.8 mm (3.9 in)	40 years	46 of 100 (Notable)
21 August 1958	Marhaura(Amnar), IN	daily rain	149.0 mm (5.9 in)	66.4 mm (2.6 in)	44 years	45 of 100 (Notable)
21 August 1958	Nagarcoil, IN	daily rain	58.4 mm (2.3 in)	40.6 mm (1.6 in)	27 years	44 of 100 (Notable)
21 August 1958	Chernjaevo, RU	daily rain	39.9 mm (1.6 in)	27.1 mm (1.1 in)	44 years	44 of 100 (Notable)
21 August 1958	St Tite, CA	daily rain	64.8 mm (2.6 in)	44.2 mm (1.7 in)	3 years	43 of 100 (Notable)
21 August 1958	Pechipparai, IN	monthly rain	90.0 mm (3.5 in)	22.7 mm (0.9 in)	37 years	43 of 100 (Notable)
21 August 1958	Lingasugur, IN	daily rain	69.3 mm (2.7 in)	36.3 mm (1.4 in)	45 years	42 of 100 (Notable)
21 August 1958	Thadikarekonam, IN	daily rain	72.2 mm (2.8 in)	41.7 mm (1.6 in)	27 years	42 of 100 (Notable)
21 August 1958	Okay, US	daily rain	78.0 mm (3.1 in)	69.6 mm (2.7 in)	40 years	42 of 100 (Notable)
21 August 1958	Owosso Wwtp, US	monthly rain	61.7 mm (2.4 in)	7.9 mm (0.31 in)	62 years	42 of 100 (Notable)
21 August 1958	Meycode Adandai, IN	daily rain	94.0 mm (3.7 in)	55.9 mm (2.2 in)	23 years	41 of 100 (Notable)
21 August 1958	Lubeck-Werft, DE	daily rain	27.0 mm (1.1 in)	10.4 mm (0.4 in)	60 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

1800 to 1958

Records set or tied on this calendar date in each year from 1800 to 1958. 1958 had 389 records.

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

Records on 08-21 in each year
Year	Records
1800	1
1802	1
1804	1
1807	1
1816	1
1818	1
1832	1
1834	1
1839	3
1843	1
1847	1
1849	3
1850	1
1851	2
1863	1
1866	1
1867	2
1870	3
1871	2
1872	1
1873	1
1876	1
1877	2
1879	2
1884	2
1885	5
1886	1
1887	5
1888	2
1889	3
1890	4
1891	2
1893	4
1894	8
1895	3
1896	2
1897	4
1898	4
1899	7
1900	4
1901	9
1902	8
1903	6
1904	8
1905	4
1906	22
1907	20
1908	13
1909	17
1910	33
1911	19
1912	50
1913	37
1914	24
1915	21
1916	106
1917	101
1918	202
1919	19
1920	59
1921	34
1922	58
1923	111
1924	135
1925	220
1926	227
1927	228
1928	110
1929	234
1930	297
1931	277
1932	264
1933	328
1934	320
1935	318
1936	807
1937	762
1938	239
1939	630
1940	683
1941	180
1942	415
1943	438
1944	346
1945	544
1946	390
1947	954
1948	305
1949	508
1950	958
1951	699
1952	368
1953	331
1954	497
1955	885
1956	701
1957	490
1958	389
1959	704
1960	490
1961	644
1962	469
1963	338
1964	794
1965	455
1966	661
1967	541
1968	1,014
1969	650
1970	373
1971	660
1972	441
1973	438
1974	564
1975	545
1976	756
1977	764
1978	445
1979	778
1980	904
1981	1,015
1982	769
1983	1,407
1984	975
1985	623
1986	1,166
1987	740
1988	889
1989	828
1990	910
1991	828
1992	957
1993	698
1994	968
1995	962
1996	950
1997	1,291
1998	948
1999	717
2000	861
2001	797
2002	965
2003	1,241
2004	1,585
2005	1,071
2006	797
2007	1,829
2008	1,012
2009	1,319
2010	1,155
2011	1,022
2012	990
2013	513
2014	624
2015	651
2016	890
2017	347
2018	816
2019	631
2020	1,147
2021	767
2022	917
2023	1,826
2024	777
2025	1,230
2026	1,289

Download the Data

Data for records on 1958-08-21: 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	251
20 to 40	45
40 to 60	6
60 to 80	4
80 to 100	1
100 to 120	2