Weather Records on 9 August 1911

44 weather records were set or tied worldwide on 9 August 1911. Highest significance: Willowmore, ZA.

Key Facts for 9 August 1911

On 9 August 1911, 44 weather records were set or tied at long-record stations worldwide.
29 were record highs and 0 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 2 monthly and 40 daily.
Willowmore set a daily record precipitation of 27.4 mm (1.1 in) on 9 August 1911.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 477 records.

Record Map

44 stations

44 station records on 9 August 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1911: highest significance records shown on the map
Station	Country	Type	Value	Significance
Willowmore	South Africa	Record daily precipitation	27.4 mm (1.1 in)	37 of 100 (Notable)
Uccle	Belgium	Record high maximum temperature	36.1 C (97.0 F)	28 of 100 (Routine)
Fraserburg	South Africa	Record daily precipitation	43.2 mm (1.7 in)	23 of 100 (Routine)
Uccle	Belgium	Record high minimum temperature	20.2 C (68.4 F)	21 of 100 (Routine)
Sterling	South Africa	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Richmond C/K (Tnk)	South Africa	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Clanwilliam (Pol)	South Africa	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Robertson	South Africa	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Caledon (Pol)	South Africa	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Freiburg	Germany	Record high maximum temperature	33.7 C (92.7 F)	18 of 100 (Routine)
Chicoutimi	Canada	Record high minimum temperature	19.4 C (66.9 F)	17 of 100 (Routine)
Aberdeen (Tnk)	South Africa	Record daily precipitation	3.6 mm (0.14 in)	17 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record high minimum temperature	8.9 C (48.0 F)	16 of 100 (Routine)
Melbourne Regional Office	Australia	Record high minimum temperature	13.6 C (56.5 F)	16 of 100 (Routine)
Yarmouth	Canada	Record high minimum temperature	16.1 C (61.0 F)	16 of 100 (Routine)
Magdeburg	Germany	Record high maximum temperature	31.8 C (89.2 F)	15 of 100 (Routine)
Chattanooga Wb City	United States	Record daily precipitation	13.7 mm (0.5 in)	15 of 100 (Routine)
Anticosti SW Point	Canada	Record high minimum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Karlsruhe	Germany	Record high minimum temperature	18.3 C (64.9 F)	13 of 100 (Routine)
Santa Fe	United States	Record high minimum temperature	18.3 C (64.9 F)	13 of 100 (Routine)
Chicoutimi	Canada	Record high maximum temperature	31.7 C (89.1 F)	12 of 100 (Routine)
Gorlitz	Germany	Record high minimum temperature	17.2 C (63.0 F)	12 of 100 (Routine)
Yarmouth	Canada	Record high maximum temperature	25.0 C (77.0 F)	11 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	31.5 C (88.7 F)	11 of 100 (Routine)
Zagreb-Gric	Croatia	Record high minimum temperature	20.3 C (68.5 F)	11 of 100 (Routine)
George Airport	South Africa	Record daily precipitation	26.2 mm (1.0 in)	11 of 100 (Routine)
Little Rock St Capitol	United States	Record high maximum temperature	38.9 C (102.0 F)	11 of 100 (Routine)
Bamberg	Germany	Record high maximum temperature	32.0 C (89.6 F)	10 of 100 (Routine)
Jena Sternwarte	Germany	Record high maximum temperature	33.0 C (91.4 F)	10 of 100 (Routine)
Gospic	Croatia	Record daily precipitation	33.2 mm (1.3 in)	10 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	14.7 mm (0.6 in)	10 of 100 (Routine)
Bamberg	Germany	Record high minimum temperature	15.8 C (60.4 F)	9 of 100 (Routine)
Quebec	Canada	Record high minimum temperature	20.0 C (68.0 F)	8 of 100 (Routine)
Pointe Au Pere	Canada	Record high minimum temperature	17.2 C (63.0 F)	8 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	32.0 C (89.6 F)	8 of 100 (Routine)
Bredasdorp	South Africa	Record daily precipitation	9.4 mm (0.37 in)	8 of 100 (Routine)
Tranebjerg	Denmark	Record high maximum temperature	26.0 C (78.8 F)	7 of 100 (Routine)
Pointe Au Pere	Canada	Record high maximum temperature	27.2 C (81.0 F)	2 of 100 (Routine)
Hohenpeissenberg	Germany	Record high minimum temperature	16.5 C (61.7 F)	2 of 100 (Routine)
Little Rock St Capitol	United States	Record high minimum temperature	25.0 C (77.0 F)	2 of 100 (Routine)
Sandvig	Denmark	Record high maximum temperature	22.4 C (72.3 F)	1 of 100 (Routine)
Sandvig	Denmark	Record high minimum temperature	18.0 C (64.4 F)	1 of 100 (Routine)
Tarkastad (Pol)	South Africa	Record daily precipitation	3.8 mm (0.15 in)	1 of 100 (Routine)

Counts by Type and Timescale

44 records

Records set or tied on 9 August 1911 by type: Highest daily maximum 13, Highest daily minimum 16, Heaviest daily rainfall 15.

Records on 9 August 1911 by type
Record type	Records
Highest daily maximum	13
Lowest daily maximum	0
Highest daily minimum	16
Lowest daily minimum	0
Heaviest daily rainfall	15
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1911 by timescale: all-time 2, monthly 2, daily 40.

How Much Records Were Beaten By

37 broken records

Margins by which the 37 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 23.8. Ties are not counted.

Top 20 by Significance

9 August 1911

Top 20 records on 9 August 1911 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1911	Willowmore, ZA	daily rain	27.4 mm (1.1 in)	23.8 mm (0.9 in)	1 year	37 of 100 (Notable)
9 August 1911	Uccle, BE	all-time high max	36.1 C (97.0 F)	0.5 C (0.9 F)	0 years	28 of 100 (Routine)
9 August 1911	Fraserburg, ZA	monthly rain	43.2 mm (1.7 in)	3.8 mm (0.15 in)	16 years	23 of 100 (Routine)
9 August 1911	Uccle, BE	monthly high min	20.2 C (68.4 F)	0.4 C (0.7 F)	12 years	21 of 100 (Routine)
9 August 1911	Sterling, ZA	daily rain	23.1 mm (0.9 in)	23.1 mm (0.9 in)	32 years	20 of 100 (Routine)
9 August 1911	Ladismith (Tnk), ZA	daily rain	19.8 mm (0.8 in)	14.2 mm (0.6 in)	18 years	20 of 100 (Routine)
9 August 1911	Richmond C/K (Tnk), ZA	daily rain	13.0 mm (0.5 in)	13.0 mm (0.5 in)	32 years	20 of 100 (Routine)
9 August 1911	Clanwilliam (Pol), ZA	daily rain	12.7 mm (0.5 in)	7.6 mm (0.30 in)	33 years	20 of 100 (Routine)
9 August 1911	Robertson, ZA	daily rain	11.2 mm (0.4 in)	9.4 mm (0.37 in)	0 years	20 of 100 (Routine)
9 August 1911	Caledon (Pol), ZA	daily rain	12.7 mm (0.5 in)	8.1 mm (0.32 in)	25 years	20 of 100 (Routine)
9 August 1911	Freiburg, DE	daily high max	33.7 C (92.7 F)	3.2 C (5.8 F)	23 years	18 of 100 (Routine)
9 August 1911	Chicoutimi, CA	daily high min	19.4 C (66.9 F)	3.3 C (5.9 F)	22 years	17 of 100 (Routine)
9 August 1911	Aberdeen (Tnk), ZA	daily rain	3.6 mm (0.14 in)	3.6 mm (0.14 in)	29 years	17 of 100 (Routine)
9 August 1911	Deniliquin (Wilkinson St), AU	daily high min	8.9 C (48.0 F)	0.6 C (1.1 F)	35 years	16 of 100 (Routine)
9 August 1911	Melbourne Regional Office, AU	daily high min	13.6 C (56.5 F)	3.1 C (5.6 F)	1 year	16 of 100 (Routine)
9 August 1911	Yarmouth, CA	daily high min	16.1 C (61.0 F)	1.1 C (2.0 F)	28 years	16 of 100 (Routine)
9 August 1911	Magdeburg, DE	daily high max	31.8 C (89.2 F)	2.0 C (3.6 F)	29 years	15 of 100 (Routine)
9 August 1911	Chattanooga Wb City, US	daily rain	13.7 mm (0.5 in)	7.6 mm (0.30 in)	18 years	15 of 100 (Routine)
9 August 1911	Anticosti SW Point, CA	daily high min	16.1 C (61.0 F)	1.7 C (3.1 F)	15 years	13 of 100 (Routine)
9 August 1911	Karlsruhe, DE	daily high min	18.3 C (64.9 F)	1.1 C (2.0 F)	20 years	13 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

1798 to 1911

Records set or tied on this calendar date in each year from 1798 to 1911. 1911 had 44 records.

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

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1911-08-09: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	27
5 to 10	5
10 to 15	3
15 to 20	0
20 to 25	2