Weather Records on 11 August 1957

305 weather records were set or tied worldwide on 11 August 1957. Highest significance: Mayaguez City, PR.

Key Facts for 11 August 1957

On 11 August 1957, 305 weather records were set or tied at long-record stations worldwide.
95 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 299 daily.
Mayaguez City set a daily record precipitation of 94.0 mm (3.7 in) on 11 August 1957.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

305 stations

305 station records on 11 August 1957 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 August 1957: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mayaguez City	Puerto Rico [United States]	Record daily precipitation	94.0 mm (3.7 in)	60 of 100 (Major)
Crockett	United States	Record daily precipitation	89.2 mm (3.5 in)	57 of 100 (Notable)
Clanwilliam (Pol)	South Africa	Record daily precipitation	30.3 mm (1.2 in)	50 of 100 (Notable)
Port Blair	India	Record daily precipitation	152.9 mm (6.0 in)	48 of 100 (Notable)
Semans	Canada	Record daily precipitation	45.5 mm (1.8 in)	43 of 100 (Notable)
Arni	India	Record daily precipitation	64.8 mm (2.6 in)	42 of 100 (Notable)
Vedasandur	India	Record daily precipitation	67.3 mm (2.6 in)	40 of 100 (Notable)
Stettler	Canada	Record daily precipitation	30.7 mm (1.2 in)	39 of 100 (Notable)
Madurantakam	India	Record daily precipitation	84.1 mm (3.3 in)	39 of 100 (Notable)
Wupperthal	South Africa	Record daily precipitation	38.5 mm (1.5 in)	38 of 100 (Notable)
Goldbutte 7 N	United States	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Clyde State School	Australia	Record daily precipitation	28.2 mm (1.1 in)	34 of 100 (Routine)
Cincinnati Abbe Wsmo	United States	Record daily precipitation	80.8 mm (3.2 in)	34 of 100 (Routine)
Dindigul	India	Record daily precipitation	101.6 mm (4.0 in)	33 of 100 (Routine)
Three Hills	Canada	Record daily precipitation	41.4 mm (1.6 in)	32 of 100 (Routine)
Rayne 6 N	United States	Record low minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Hanna	Canada	Record daily precipitation	32.3 mm (1.3 in)	31 of 100 (Routine)
Athabasca	Canada	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Pierson	Canada	Record daily precipitation	33.8 mm (1.3 in)	30 of 100 (Routine)
Ninette	Canada	Record daily precipitation	52.8 mm (2.1 in)	30 of 100 (Routine)
Lexington Bluegrass AP	United States	Record daily precipitation	58.4 mm (2.3 in)	30 of 100 (Routine)
Khapari	India	Record daily precipitation	94.0 mm (3.7 in)	29 of 100 (Routine)
Belle Isle	Canada	Record daily precipitation	29.0 mm (1.1 in)	28 of 100 (Routine)
Savage	United States	Record high minimum temperature	23.9 C (75.0 F)	27 of 100 (Routine)
Rock House	United States	Record high maximum temperature	32.8 C (91.0 F)	27 of 100 (Routine)
Hannah 2 N	United States	Record daily precipitation	31.5 mm (1.2 in)	27 of 100 (Routine)
Keremeos	Canada	Record low maximum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
El Suez	Egypt	Record low minimum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Paramakudi	India	Record daily precipitation	28.4 mm (1.1 in)	26 of 100 (Routine)
Lokenburg	South Africa	Record daily precipitation	30.0 mm (1.2 in)	26 of 100 (Routine)
Hawthorne AP	United States	Record low minimum temperature	8.9 C (48.0 F)	26 of 100 (Routine)
Bagewadi	India	Record daily precipitation	63.5 mm (2.5 in)	25 of 100 (Routine)
Quiriego (Smn)	Mexico	Record low minimum temperature	16.7 C (62.1 F)	25 of 100 (Routine)
La Plaisante	South Africa	Record daily precipitation	43.7 mm (1.7 in)	25 of 100 (Routine)
Forks 4 NNE	United States	Record daily precipitation	38.6 mm (1.5 in)	25 of 100 (Routine)
Searchlight	United States	Record high minimum temperature	29.4 C (84.9 F)	25 of 100 (Routine)
Burra 1	Australia	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Ranfurly	Canada	Record daily precipitation	43.9 mm (1.7 in)	24 of 100 (Routine)
Brackettville	United States	Record high maximum temperature	40.0 C (104.0 F)	24 of 100 (Routine)
Peraiyur	India	Record daily precipitation	39.4 mm (1.6 in)	23 of 100 (Routine)
Heidelberg Cape (Pol)	South Africa	Record daily precipitation	26.5 mm (1.0 in)	23 of 100 (Routine)
Philadelphia Polisie	South Africa	Record daily precipitation	31.0 mm (1.2 in)	23 of 100 (Routine)
Canelo 1 NW	United States	Record daily precipitation	37.8 mm (1.5 in)	23 of 100 (Routine)
Red Deer	Canada	Record high minimum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Torrevieja	Spain	Record high maximum temperature	35.0 C (95.0 F)	22 of 100 (Routine)
Waynesboro 2 S	United States	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Bend	United States	Record low minimum temperature	0.6 C (33.1 F)	22 of 100 (Routine)
Lihue 1020	United States	Record low minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Morden	Canada	Record daily precipitation	33.8 mm (1.3 in)	21 of 100 (Routine)
Dullabcherra	India	Record daily precipitation	64.8 mm (2.6 in)	21 of 100 (Routine)
Iluppur	India	Record daily precipitation	55.6 mm (2.2 in)	21 of 100 (Routine)
Ft Benton	United States	Record high minimum temperature	17.2 C (63.0 F)	21 of 100 (Routine)
Nacogdoches	United States	Record low maximum temperature	26.1 C (79.0 F)	21 of 100 (Routine)
Richfield Radio Ksvc	United States	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Vanrhysdorp	South Africa	Record daily precipitation	19.0 mm (0.7 in)	20 of 100 (Routine)
Maple Creek	Canada	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Spanish Fk Pwr House	United States	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Mount Pleasant	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Reenen	South Africa	Record daily precipitation	24.0 mm (0.9 in)	20 of 100 (Routine)
Karesuando	Sweden	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

305 records

Records set or tied on 11 August 1957 by type: Highest daily maximum 39, Lowest daily maximum 36, Highest daily minimum 56, Lowest daily minimum 34, Heaviest daily rainfall 140.

Records on 11 August 1957 by type
Record type	Records
Highest daily maximum	39
Lowest daily maximum	36
Highest daily minimum	56
Lowest daily minimum	34
Heaviest daily rainfall	140
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 August 1957 by timescale: all-time 0, monthly 6, daily 299.

How Much Records Were Beaten By

239 broken records

Margins by which the 239 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 86.9. Ties are not counted.

Top 20 by Significance

11 August 1957

Top 20 records on 11 August 1957 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1957	Mayaguez City, PR	daily rain	94.0 mm (3.7 in)	58.4 mm (2.3 in)	52 years	60 of 100 (Major)
11 August 1957	Crockett, US	daily rain	89.2 mm (3.5 in)	77.0 mm (3.0 in)	40 years	57 of 100 (Notable)
11 August 1957	Clanwilliam (Pol), ZA	daily rain	30.3 mm (1.2 in)	15.1 mm (0.6 in)	44 years	50 of 100 (Notable)
11 August 1957	Port Blair, IN	daily rain	152.9 mm (6.0 in)	86.9 mm (3.4 in)	16 years	48 of 100 (Notable)
11 August 1957	Semans, CA	daily rain	45.5 mm (1.8 in)	29.8 mm (1.2 in)	32 years	43 of 100 (Notable)
11 August 1957	Arni, IN	daily rain	64.8 mm (2.6 in)	45.0 mm (1.8 in)	48 years	42 of 100 (Notable)
11 August 1957	Vedasandur, IN	daily rain	67.3 mm (2.6 in)	36.8 mm (1.4 in)	54 years	40 of 100 (Notable)
11 August 1957	Stettler, CA	daily rain	30.7 mm (1.2 in)	20.5 mm (0.8 in)	28 years	39 of 100 (Notable)
11 August 1957	Madurantakam, IN	daily rain	84.1 mm (3.3 in)	40.9 mm (1.6 in)	43 years	39 of 100 (Notable)
11 August 1957	Wupperthal, ZA	daily rain	38.5 mm (1.5 in)	18.7 mm (0.7 in)	44 years	38 of 100 (Notable)
11 August 1957	Goldbutte 7 N, US	daily rain	25.9 mm (1.0 in)	15.0 mm (0.6 in)	24 years	35 of 100 (Notable)
11 August 1957	Clyde State School, AU	daily rain	28.2 mm (1.1 in)	11.7 mm (0.5 in)	36 years	34 of 100 (Routine)
11 August 1957	Cincinnati Abbe Wsmo, US	monthly rain	80.8 mm (3.2 in)	10.9 mm (0.4 in)	37 years	34 of 100 (Routine)
11 August 1957	Dindigul, IN	monthly rain	101.6 mm (4.0 in)	14.0 mm (0.6 in)	23 years	33 of 100 (Routine)
11 August 1957	Three Hills, CA	daily rain	41.4 mm (1.6 in)	17.3 mm (0.7 in)	24 years	32 of 100 (Routine)
11 August 1957	Rayne 6 N, US	daily low min	18.9 C (66.0 F)	1.1 C (2.0 F)	63 years	32 of 100 (Routine)
11 August 1957	Hanna, CA	daily rain	32.3 mm (1.3 in)	19.6 mm (0.8 in)	15 years	31 of 100 (Routine)
11 August 1957	Athabasca, CA	daily rain	35.1 mm (1.4 in)	23.2 mm (0.9 in)	2 years	31 of 100 (Routine)
11 August 1957	Pierson, CA	daily rain	33.8 mm (1.3 in)	19.3 mm (0.8 in)	22 years	30 of 100 (Routine)
11 August 1957	Ninette, CA	daily rain	52.8 mm (2.1 in)	16.7 mm (0.7 in)	18 years	30 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 1957

Records set or tied on this calendar date in each year from 1793 to 1957. 1957 had 305 records.

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

Records on 08-11 in each year
Year	Records
1793	1
1796	1
1811	1
1815	2
1838	1
1839	1
1841	1
1851	1
1855	1
1858	1
1861	2
1862	1
1863	1
1864	6
1865	1
1866	6
1869	4
1871	1
1875	1
1879	2
1881	1
1883	1
1885	1
1888	1
1889	4
1890	4
1891	1
1892	4
1893	1
1894	1
1895	2
1896	5
1897	3
1898	2
1899	3
1900	4
1901	4
1902	13
1903	12
1904	19
1905	9
1906	6
1907	8
1908	10
1909	41
1910	9
1911	24
1912	46
1913	43
1914	26
1915	27
1916	64
1917	217
1918	29
1919	18
1920	54
1921	201
1922	98
1923	80
1924	149
1925	219
1926	140
1927	190
1928	174
1929	354
1930	471
1931	453
1932	281
1933	416
1934	620
1935	499
1936	541
1937	356
1938	315
1939	389
1940	359
1941	807
1942	390
1943	345
1944	936
1945	401
1946	419
1947	709
1948	306
1949	471
1950	320
1951	296
1952	417
1953	283
1954	536
1955	319
1956	457
1957	305
1958	494
1959	337
1960	461
1961	429
1962	662
1963	493
1964	677
1965	793
1966	1,037
1967	1,071
1968	619
1969	533
1970	526
1971	711
1972	823
1973	451
1974	596
1975	753
1976	529
1977	845
1978	433
1979	797
1980	929
1981	645
1982	1,232
1983	1,095
1984	822
1985	804
1986	563
1987	885
1988	1,119
1989	983
1990	760
1991	822
1992	928
1993	840
1994	1,173
1995	1,324
1996	1,147
1997	1,512
1998	1,232
1999	1,152
2000	924
2001	811
2002	1,152
2003	1,601
2004	1,478
2005	1,031
2006	896
2007	1,428
2008	945
2009	836
2010	2,289
2011	1,106
2012	953
2013	470
2014	556
2015	696
2016	1,340
2017	619
2018	861
2019	758
2020	688
2021	834
2022	661
2023	757
2024	643
2025	722
2026	765

Download the Data

Data for records on 1957-08-11: 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	223
20 to 40	10
40 to 60	4
60 to 80	1
80 to 100	1