Weather Records on 21 August 1957

490 weather records were set or tied worldwide on 21 August 1957. Highest significance: Konda, IN.

Key Facts for 21 August 1957

On 21 August 1957, 490 weather records were set or tied at long-record stations worldwide.
73 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 19 monthly and 471 daily.
Konda set a monthly record daily precipitation of 177.8 mm (7.0 in) on 21 August 1957.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 450 records.

Record Map

490 stations

490 station records on 21 August 1957 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1957: highest significance records shown on the map
Station	Country	Type	Value	Significance
Konda	India	Record daily precipitation	177.8 mm (7.0 in)	59 of 100 (Notable)
Maclear (Mag)	South Africa	Record daily precipitation	35.5 mm (1.4 in)	56 of 100 (Notable)
Blikana	South Africa	Record daily precipitation	44.0 mm (1.7 in)	56 of 100 (Notable)
Sonamarg &	India	Record daily precipitation	165.1 mm (6.5 in)	55 of 100 (Notable)
The Meadows	South Africa	Record daily precipitation	29.0 mm (1.1 in)	55 of 100 (Notable)
Aliwal North	South Africa	Record daily precipitation	36.0 mm (1.4 in)	52 of 100 (Notable)
Riksgransen	Sweden	Record daily precipitation	47.0 mm (1.9 in)	52 of 100 (Notable)
Malakapuram	India	Record daily precipitation	144.8 mm (5.7 in)	50 of 100 (Notable)
Engcobo (Tnk)	South Africa	Record daily precipitation	43.0 mm (1.7 in)	49 of 100 (Notable)
Sterkspruit	South Africa	Record daily precipitation	35.8 mm (1.4 in)	48 of 100 (Notable)
Markapur	India	Record daily precipitation	50.5 mm (2.0 in)	47 of 100 (Notable)
Jeypore	India	Record daily precipitation	248.9 mm (9.8 in)	46 of 100 (Notable)
Middelplaats	South Africa	Record daily precipitation	36.0 mm (1.4 in)	46 of 100 (Notable)
Gajapathinagaram	India	Record daily precipitation	116.8 mm (4.6 in)	45 of 100 (Notable)
Pottangi	India	Record daily precipitation	141.2 mm (5.6 in)	45 of 100 (Notable)
Umtata	South Africa	Record daily precipitation	32.5 mm (1.3 in)	45 of 100 (Notable)
Kafferskraal	South Africa	Record daily precipitation	32.0 mm (1.3 in)	42 of 100 (Notable)
Ankenes	Norway	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Ida	South Africa	Record daily precipitation	31.0 mm (1.2 in)	41 of 100 (Notable)
Boschkloof	South Africa	Record daily precipitation	31.0 mm (1.2 in)	41 of 100 (Notable)
Kljuchi	Russia	Record daily precipitation	58.3 mm (2.3 in)	40 of 100 (Notable)
Bulsfontein	South Africa	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Barkly West (Tnk)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	40 of 100 (Notable)
Benfontein	South Africa	Record daily precipitation	25.0 mm (1.0 in)	39 of 100 (Notable)
Rouxville (Pol)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	38 of 100 (Notable)
Zastron (Tnk)	South Africa	Record daily precipitation	33.8 mm (1.3 in)	38 of 100 (Notable)
Goela	India	Record daily precipitation	132.6 mm (5.2 in)	37 of 100 (Notable)
Skjomen	Norway	Record daily precipitation	31.6 mm (1.2 in)	37 of 100 (Notable)
Pogranichnyj	Russia	Record daily precipitation	72.5 mm (2.9 in)	37 of 100 (Notable)
Mqanduli (Tnk)	South Africa	Record daily precipitation	25.5 mm (1.0 in)	37 of 100 (Notable)
Norvalspont (Pol)	South Africa	Record daily precipitation	27.0 mm (1.1 in)	37 of 100 (Notable)
Perdeberg (Sar)	South Africa	Record daily precipitation	28.5 mm (1.1 in)	37 of 100 (Notable)
Baziya (Bos)	South Africa	Record daily precipitation	45.5 mm (1.8 in)	36 of 100 (Notable)
Abisko	Sweden	Record daily precipitation	34.4 mm (1.4 in)	36 of 100 (Notable)
Dolphin@S Nose Obsy	India	Record daily precipitation	121.9 mm (4.8 in)	34 of 100 (Routine)
Hogsback (Bos)	South Africa	Record daily precipitation	38.5 mm (1.5 in)	34 of 100 (Routine)
Avoca	South Africa	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Papane (Bos)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	34 of 100 (Routine)
Lady Frere (Tnk)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Sebeni (Bos)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	33 of 100 (Routine)
Cyferfontein	South Africa	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Jacobsdal (Pol)	South Africa	Record daily precipitation	27.5 mm (1.1 in)	33 of 100 (Routine)
Ntywenka (Bos)	South Africa	Record daily precipitation	48.8 mm (1.9 in)	32 of 100 (Routine)
Koffiefontein (Pol)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Seligman	United States	Record low maximum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
Biskra	Algeria	Record low maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Edenburg (Pol)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	31 of 100 (Routine)
Brawley 2 SW	United States	Record low maximum temperature	31.1 C (88.0 F)	31 of 100 (Routine)
Khed	India	Record daily precipitation	187.2 mm (7.4 in)	30 of 100 (Routine)
Nkobongo (Agr)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	30 of 100 (Routine)
Clarks Siding	South Africa	Record daily precipitation	36.5 mm (1.4 in)	30 of 100 (Routine)
Lady Grey (Pol)	South Africa	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Dras	India	Record daily precipitation	76.2 mm (3.0 in)	29 of 100 (Routine)
Dividalen	Norway	Record daily precipitation	26.2 mm (1.0 in)	29 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record low maximum temperature	28.3 C (82.9 F)	29 of 100 (Routine)
Katberg (Bos)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	29 of 100 (Routine)
Hughenden	South Africa	Record daily precipitation	36.8 mm (1.4 in)	29 of 100 (Routine)
Ellesmere	South Africa	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Amanzamnyama (Bos)	South Africa	Record daily precipitation	38.5 mm (1.5 in)	29 of 100 (Routine)
Caliente	United States	Record low maximum temperature	21.7 C (71.1 F)	29 of 100 (Routine)

Counts by Type and Timescale

490 records

Records set or tied on 21 August 1957 by type: Highest daily maximum 14, Lowest daily maximum 33, Highest daily minimum 59, Lowest daily minimum 48, Heaviest daily rainfall 336.

Records on 21 August 1957 by type
Record type	Records
Highest daily maximum	14
Lowest daily maximum	33
Highest daily minimum	59
Lowest daily minimum	48
Heaviest daily rainfall	336
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1957 by timescale: all-time 0, monthly 19, daily 471.

How Much Records Were Beaten By

424 broken records

Margins by which the 424 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 167.6. Ties are not counted.

Top 20 by Significance

21 August 1957

Top 20 records on 21 August 1957 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1957	Konda, IN	monthly rain	177.8 mm (7.0 in)	76.7 mm (3.0 in)	13 years	59 of 100 (Notable)
21 August 1957	Maclear (Mag), ZA	daily rain	35.5 mm (1.4 in)	25.6 mm (1.0 in)	34 years	56 of 100 (Notable)
21 August 1957	Blikana, ZA	daily rain	44.0 mm (1.7 in)	32.8 mm (1.3 in)	36 years	56 of 100 (Notable)
21 August 1957	Sonamarg &, IN	monthly rain	165.1 mm (6.5 in)	63.5 mm (2.5 in)	0 years	55 of 100 (Notable)
21 August 1957	The Meadows, ZA	daily rain	29.0 mm (1.1 in)	27.5 mm (1.1 in)	48 years	55 of 100 (Notable)
21 August 1957	Aliwal North, ZA	daily rain	36.0 mm (1.4 in)	26.3 mm (1.0 in)	36 years	52 of 100 (Notable)
21 August 1957	Riksgransen, SE	daily rain	47.0 mm (1.9 in)	30.5 mm (1.2 in)	24 years	52 of 100 (Notable)
21 August 1957	Malakapuram, IN	monthly rain	144.8 mm (5.7 in)	48.3 mm (1.9 in)	9 years	50 of 100 (Notable)
21 August 1957	Engcobo (Tnk), ZA	daily rain	43.0 mm (1.7 in)	34.9 mm (1.4 in)	14 years	49 of 100 (Notable)
21 August 1957	Sterkspruit, ZA	daily rain	35.8 mm (1.4 in)	23.1 mm (0.9 in)	36 years	48 of 100 (Notable)
21 August 1957	Markapur, IN	daily rain	50.5 mm (2.0 in)	35.0 mm (1.4 in)	20 years	47 of 100 (Notable)
21 August 1957	Jeypore, IN	daily rain	248.9 mm (9.8 in)	167.6 mm (6.6 in)	4 years	46 of 100 (Notable)
21 August 1957	Middelplaats, ZA	daily rain	36.0 mm (1.4 in)	24.3 mm (1.0 in)	36 years	46 of 100 (Notable)
21 August 1957	Gajapathinagaram, IN	monthly rain	116.8 mm (4.6 in)	35.5 mm (1.4 in)	19 years	45 of 100 (Notable)
21 August 1957	Pottangi, IN	daily rain	141.2 mm (5.6 in)	76.4 mm (3.0 in)	4 years	45 of 100 (Notable)
21 August 1957	Umtata, ZA	daily rain	32.5 mm (1.3 in)	27.2 mm (1.1 in)	34 years	45 of 100 (Notable)
21 August 1957	Kafferskraal, ZA	daily rain	32.0 mm (1.3 in)	28.2 mm (1.1 in)	34 years	42 of 100 (Notable)
21 August 1957	Ankenes, NO	daily rain	30.0 mm (1.2 in)	15.7 mm (0.6 in)	26 years	41 of 100 (Notable)
21 August 1957	Ida, ZA	daily rain	31.0 mm (1.2 in)	18.0 mm (0.7 in)	34 years	41 of 100 (Notable)
21 August 1957	Boschkloof, ZA	daily rain	31.0 mm (1.2 in)	23.9 mm (0.9 in)	14 years	41 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 1957

Records set or tied on this calendar date in each year from 1800 to 1957. 1957 had 490 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 1957-08-21: 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 25	391
25 to 50	27
50 to 75	2
75 to 100	3
100 to 125	0
125 to 150	0
150 to 175	1