Weather Records on 11 August 1925

219 weather records were set or tied worldwide on 11 August 1925. Highest significance: Praha-Klementinum, CZ.

Key Facts for 11 August 1925

On 11 August 1925, 219 weather records were set or tied at long-record stations worldwide.
88 were record highs and 19 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 8 monthly and 209 daily.
Praha-Klementinum set a daily record precipitation of 28.5 mm (1.1 in) on 11 August 1925.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

219 stations

219 station records on 11 August 1925 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 August 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
Praha-Klementinum	Czech Republic	Record daily precipitation	28.5 mm (1.1 in)	56 of 100 (Notable)
Lismore (Centre Street)	Australia	Record daily precipitation	113.3 mm (4.5 in)	53 of 100 (Notable)
Pimlico	Australia	Record daily precipitation	91.7 mm (3.6 in)	52 of 100 (Notable)
Wollongbar (Central Park Drive	Australia	Record daily precipitation	102.9 mm (4.1 in)	52 of 100 (Notable)
Cumbalum (Fairview)	Australia	Record daily precipitation	88.1 mm (3.5 in)	47 of 100 (Notable)
Bellbrook (East Street)	Australia	Record daily precipitation	63.0 mm (2.5 in)	43 of 100 (Notable)
Yamba Pilot Station	Australia	Record daily precipitation	79.5 mm (3.1 in)	42 of 100 (Notable)
Ulm	Germany	Record daily precipitation	30.6 mm (1.2 in)	41 of 100 (Notable)
George Airport	South Africa	Record daily precipitation	44.2 mm (1.7 in)	41 of 100 (Notable)
Casino Airport	Australia	Record daily precipitation	39.4 mm (1.6 in)	40 of 100 (Notable)
Millwood (Bos)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	35 of 100 (Notable)
Buffelsnek (Bos)	South Africa	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Springbok	South Africa	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Kunzelsau	Germany	Record daily precipitation	35.3 mm (1.4 in)	33 of 100 (Routine)
Weissenburg	Germany	Record daily precipitation	61.4 mm (2.4 in)	33 of 100 (Routine)
Nossen	Germany	Record daily precipitation	32.1 mm (1.3 in)	32 of 100 (Routine)
Hay Springs	United States	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Lenox	United States	Record daily precipitation	49.3 mm (1.9 in)	29 of 100 (Routine)
Oregon	United States	Record daily precipitation	57.2 mm (2.3 in)	29 of 100 (Routine)
Tenterfield (Federation Park)	Australia	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Koolool	Australia	Record daily precipitation	81.3 mm (3.2 in)	27 of 100 (Routine)
Ohringen	Germany	Record daily precipitation	42.0 mm (1.7 in)	27 of 100 (Routine)
Rothenburg Ob der Tauber	Germany	Record daily precipitation	30.3 mm (1.2 in)	26 of 100 (Routine)
Aberdare	Australia	Record daily precipitation	50.8 mm (2.0 in)	25 of 100 (Routine)
Horton	United States	Record daily precipitation	42.4 mm (1.7 in)	24 of 100 (Routine)
Caledon (Pol)	South Africa	Record daily precipitation	35.8 mm (1.4 in)	23 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	18.8 C (65.8 F)	22 of 100 (Routine)
Metten	Germany	Record daily precipitation	25.2 mm (1.0 in)	22 of 100 (Routine)
Madison	United States	Record daily precipitation	36.8 mm (1.4 in)	22 of 100 (Routine)
Levan	United States	Record low maximum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
La Porte	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Deepwater Post Office	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Doberlug-Kirchhain	Germany	Record daily precipitation	18.2 mm (0.7 in)	20 of 100 (Routine)
Kookabookra	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Buffelsfontein 14	South Africa	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Rivertree (Myall)	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Herschel	South Africa	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Den Helder-1	Netherlands	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Uniondale (Tnk)	South Africa	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Oudtshoorn	South Africa	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Prince Albert Road (Sar)	South Africa	Record daily precipitation	2.5 mm (0.10 in)	20 of 100 (Routine)
Alicedale	South Africa	Record daily precipitation	4.8 mm (0.19 in)	20 of 100 (Routine)
Kamferskraal	South Africa	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Lady Grey (Pol)	South Africa	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	15.9 C (60.6 F)	20 of 100 (Routine)
Wallangarra Post Office	Australia	Record daily precipitation	13.7 mm (0.5 in)	19 of 100 (Routine)
Tranebjerg	Denmark	Record high minimum temperature	16.8 C (62.2 F)	19 of 100 (Routine)
Bloukrans (Bos)	South Africa	Record daily precipitation	34.3 mm (1.4 in)	19 of 100 (Routine)
Alexandria (Pol)	South Africa	Record daily precipitation	19.8 mm (0.8 in)	19 of 100 (Routine)
De Vlei "de Kruis"	South Africa	Record daily precipitation	7.4 mm (0.29 in)	19 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	15.5 C (59.9 F)	19 of 100 (Routine)
Cottbus	Germany	Record high minimum temperature	20.1 C (68.2 F)	18 of 100 (Routine)
Kamiesberg	South Africa	Record daily precipitation	54.4 mm (2.1 in)	18 of 100 (Routine)
Quincy	United States	Record daily precipitation	7.6 mm (0.30 in)	18 of 100 (Routine)
Trenton 1 NNE	United States	Record high maximum temperature	38.3 C (100.9 F)	18 of 100 (Routine)
Fillmore	United States	Record low maximum temperature	22.8 C (73.0 F)	18 of 100 (Routine)
Laramie	United States	Record daily precipitation	17.0 mm (0.7 in)	18 of 100 (Routine)
Asheville	United States	Record high maximum temperature	33.3 C (91.9 F)	18 of 100 (Routine)
Sacramento 5 ESE	United States	Record daily precipitation	0.3 mm (0.01 in)	18 of 100 (Routine)

Counts by Type and Timescale

219 records

Records set or tied on 11 August 1925 by type: Highest daily maximum 32, Lowest daily maximum 17, Highest daily minimum 56, Lowest daily minimum 2, Heaviest daily rainfall 112.

Records on 11 August 1925 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	17
Highest daily minimum	56
Lowest daily minimum	2
Heaviest daily rainfall	112
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 August 1925 by timescale: all-time 2, monthly 8, daily 209.

How Much Records Were Beaten By

168 broken records

Margins by which the 168 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 89.4. Ties are not counted.

Top 20 by Significance

11 August 1925

Top 20 records on 11 August 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1925	Praha-Klementinum, CZ	daily rain	28.5 mm (1.1 in)	9.9 mm (0.39 in)	109 years	56 of 100 (Notable)
11 August 1925	Lismore (Centre Street), AU	daily rain	113.3 mm (4.5 in)	89.4 mm (3.5 in)	31 years	53 of 100 (Notable)
11 August 1925	Pimlico, AU	daily rain	91.7 mm (3.6 in)	65.8 mm (2.6 in)	31 years	52 of 100 (Notable)
11 August 1925	Wollongbar (Central Park Drive, AU	daily rain	102.9 mm (4.1 in)	80.3 mm (3.2 in)	31 years	52 of 100 (Notable)
11 August 1925	Cumbalum (Fairview), AU	daily rain	88.1 mm (3.5 in)	59.1 mm (2.3 in)	31 years	47 of 100 (Notable)
11 August 1925	Bellbrook (East Street), AU	daily rain	63.0 mm (2.5 in)	47.3 mm (1.9 in)	8 years	43 of 100 (Notable)
11 August 1925	Yamba Pilot Station, AU	daily rain	79.5 mm (3.1 in)	56.6 mm (2.2 in)	27 years	42 of 100 (Notable)
11 August 1925	Ulm, DE	daily rain	30.6 mm (1.2 in)	21.9 mm (0.9 in)	20 years	41 of 100 (Notable)
11 August 1925	George Airport, ZA	daily rain	44.2 mm (1.7 in)	24.6 mm (1.0 in)	46 years	41 of 100 (Notable)
11 August 1925	Casino Airport, AU	daily rain	39.4 mm (1.6 in)	18.3 mm (0.7 in)	64 years	40 of 100 (Notable)
11 August 1925	Millwood (Bos), ZA	daily rain	45.0 mm (1.8 in)	31.3 mm (1.2 in)	12 years	35 of 100 (Notable)
11 August 1925	Buffelsnek (Bos), ZA	daily rain	45.7 mm (1.8 in)	28.4 mm (1.1 in)	24 years	34 of 100 (Routine)
11 August 1925	Springbok, ZA	daily rain	30.0 mm (1.2 in)	21.1 mm (0.8 in)	8 years	34 of 100 (Routine)
11 August 1925	Kunzelsau, DE	daily rain	35.3 mm (1.4 in)	16.1 mm (0.6 in)	24 years	33 of 100 (Routine)
11 August 1925	Weissenburg, DE	all-time rain	61.4 mm (2.4 in)	2.4 mm (0.09 in)	23 years	33 of 100 (Routine)
11 August 1925	Nossen, DE	daily rain	32.1 mm (1.3 in)	16.0 mm (0.6 in)	29 years	32 of 100 (Routine)
11 August 1925	Hay Springs, US	daily rain	31.8 mm (1.3 in)	24.9 mm (1.0 in)	4 years	30 of 100 (Routine)
11 August 1925	Lenox, US	daily rain	49.3 mm (1.9 in)	35.8 mm (1.4 in)	7 years	29 of 100 (Routine)
11 August 1925	Oregon, US	daily rain	57.2 mm (2.3 in)	26.0 mm (1.0 in)	31 years	29 of 100 (Routine)
11 August 1925	Tenterfield (Federation Park), AU	daily rain	32.0 mm (1.3 in)	16.5 mm (0.6 in)	8 years	27 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 1925

Records set or tied on this calendar date in each year from 1793 to 1925. 1925 had 219 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 1925-08-11: 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 2026-10-16 (16 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 20	148
20 to 40	14
40 to 60	3
60 to 80	1
80 to 100	2