Weather Records on 17 August 1914

41 weather records were set or tied worldwide on 17 August 1914. Highest significance: Somerset East, ZA.

Key Facts for 17 August 1914

On 17 August 1914, 41 weather records were set or tied at long-record stations worldwide.
5 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 38 daily.
Somerset East set a monthly record daily precipitation of 60.5 mm (2.4 in) on 17 August 1914.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 476 records.

Record Map

41 stations

41 station records on 17 August 1914 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1914: highest significance records shown on the map
Station	Country	Type	Value	Significance
Somerset East	South Africa	Record daily precipitation	60.5 mm (2.4 in)	62 of 100 (Major)
Middleton (Sar)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
Fort Beaufort	South Africa	Record daily precipitation	34.5 mm (1.4 in)	34 of 100 (Routine)
Herschel	South Africa	Record daily precipitation	36.1 mm (1.4 in)	30 of 100 (Routine)
Riva	Italy	Record daily precipitation	74.5 mm (2.9 in)	29 of 100 (Routine)
Fir Glen	South Africa	Record daily precipitation	26.9 mm (1.1 in)	28 of 100 (Routine)
Katberg (Bos)	South Africa	Record daily precipitation	46.7 mm (1.8 in)	27 of 100 (Routine)
Seymour (Mag)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	25 of 100 (Routine)
Grahamstown	South Africa	Record daily precipitation	32.0 mm (1.3 in)	21 of 100 (Routine)
Aberdeen (Tnk)	South Africa	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Graaff Reinet	South Africa	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Jansenville	South Africa	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Thomas River (Sar)	South Africa	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Tarkastad (Pol)	South Africa	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	33.1 mm (1.3 in)	20 of 100 (Routine)
Komga (Pol)	South Africa	Record daily precipitation	26.9 mm (1.1 in)	20 of 100 (Routine)
Praha-Klementinum	Czech Republic	Record low maximum temperature	16.0 C (60.8 F)	19 of 100 (Routine)
Barkly East	South Africa	Record daily precipitation	23.4 mm (0.9 in)	18 of 100 (Routine)
Peddie (Mag)	South Africa	Record daily precipitation	21.6 mm (0.9 in)	16 of 100 (Routine)
Tylden "Tulden"	South Africa	Record daily precipitation	6.4 mm (0.25 in)	16 of 100 (Routine)
Aliwal North	South Africa	Record daily precipitation	19.1 mm (0.8 in)	15 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	17.3 mm (0.7 in)	14 of 100 (Routine)
Jacksonville Wb City	United States	Record daily precipitation	35.6 mm (1.4 in)	14 of 100 (Routine)
Karlsruhe	Germany	Record low maximum temperature	16.3 C (61.3 F)	13 of 100 (Routine)
Regensburg	Germany	Record daily precipitation	19.9 mm (0.8 in)	13 of 100 (Routine)
Humansdorp (Pol)	South Africa	Record daily precipitation	31.5 mm (1.2 in)	13 of 100 (Routine)
Cathcart	South Africa	Record daily precipitation	11.4 mm (0.4 in)	13 of 100 (Routine)
Worcester	South Africa	Record daily precipitation	6.3 mm (0.25 in)	12 of 100 (Routine)
Cradock	South Africa	Record daily precipitation	8.1 mm (0.32 in)	12 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record daily precipitation	18.5 mm (0.7 in)	11 of 100 (Routine)
Dubuque River	United States	Record high minimum temperature	23.3 C (73.9 F)	11 of 100 (Routine)
Huron Rgnl AP	United States	Record high maximum temperature	34.4 C (93.9 F)	11 of 100 (Routine)
Lakefield	Canada	Record daily precipitation	26.4 mm (1.0 in)	9 of 100 (Routine)
Beaufort West (Met)	South Africa	Record daily precipitation	2.3 mm (0.09 in)	9 of 100 (Routine)
Leeu Gamka (Sar)	South Africa	Record daily precipitation	3.8 mm (0.15 in)	8 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	18.9 C (66.0 F)	6 of 100 (Routine)
Halifax	Canada	Record high maximum temperature	27.8 C (82.0 F)	4 of 100 (Routine)
Jacksonville Wb City	United States	Record low minimum temperature	20.0 C (68.0 F)	3 of 100 (Routine)
Skara 1	Sweden	Record low minimum temperature	3.5 C (38.3 F)	2 of 100 (Routine)
Madison Wb City	United States	Record high maximum temperature	31.1 C (88.0 F)	2 of 100 (Routine)

Counts by Type and Timescale

41 records

Records set or tied on 17 August 1914 by type: Highest daily maximum 3, Lowest daily maximum 2, Highest daily minimum 2, Lowest daily minimum 2, Heaviest daily rainfall 32.

Records on 17 August 1914 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	2
Highest daily minimum	2
Lowest daily minimum	2
Heaviest daily rainfall	32
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1914 by timescale: all-time 0, monthly 3, daily 38.

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 26.2. Ties are not counted.

Top 20 by Significance

17 August 1914

Top 20 records on 17 August 1914 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1914	Somerset East, ZA	monthly rain	60.5 mm (2.4 in)	26.2 mm (1.0 in)	32 years	62 of 100 (Major)
17 August 1914	Middleton (Sar), ZA	daily rain	30.0 mm (1.2 in)	25.9 mm (1.0 in)	8 years	42 of 100 (Notable)
17 August 1914	Fort Beaufort, ZA	monthly rain	34.5 mm (1.4 in)	8.1 mm (0.32 in)	26 years	34 of 100 (Routine)
17 August 1914	Herschel, ZA	daily rain	36.1 mm (1.4 in)	18.1 mm (0.7 in)	26 years	30 of 100 (Routine)
17 August 1914	Riva, IT	daily rain	74.5 mm (2.9 in)	20.0 mm (0.8 in)	32 years	29 of 100 (Routine)
17 August 1914	Fir Glen, ZA	daily rain	26.9 mm (1.1 in)	14.2 mm (0.6 in)	19 years	28 of 100 (Routine)
17 August 1914	Katberg (Bos), ZA	monthly rain	46.7 mm (1.8 in)	7.1 mm (0.28 in)	20 years	27 of 100 (Routine)
17 August 1914	Seymour (Mag), ZA	daily rain	29.0 mm (1.1 in)	18.8 mm (0.7 in)	5 years	25 of 100 (Routine)
17 August 1914	Grahamstown, ZA	daily rain	32.0 mm (1.3 in)	12.9 mm (0.5 in)	19 years	21 of 100 (Routine)
17 August 1914	Aberdeen (Tnk), ZA	daily rain	18.3 mm (0.7 in)	16.5 mm (0.6 in)	8 years	20 of 100 (Routine)
17 August 1914	Graaff Reinet, ZA	daily rain	19.6 mm (0.8 in)	17.3 mm (0.7 in)	11 years	20 of 100 (Routine)
17 August 1914	Jansenville, ZA	daily rain	19.6 mm (0.8 in)	11.7 mm (0.5 in)	11 years	20 of 100 (Routine)
17 August 1914	Thomas River (Sar), ZA	daily rain	14.0 mm (0.6 in)	10.2 mm (0.4 in)	22 years	20 of 100 (Routine)
17 August 1914	Ladismith (Tnk), ZA	daily rain	22.9 mm (0.9 in)	8.9 mm (0.35 in)	22 years	20 of 100 (Routine)
17 August 1914	Tarkastad (Pol), ZA	daily rain	17.0 mm (0.7 in)	8.9 mm (0.35 in)	11 years	20 of 100 (Routine)
17 August 1914	Marseille Obs. Palais-Lonchamp, FR	daily rain	33.1 mm (1.3 in)	16.1 mm (0.6 in)	4 years	20 of 100 (Routine)
17 August 1914	Komga (Pol), ZA	daily rain	26.9 mm (1.1 in)	17.0 mm (0.7 in)	11 years	20 of 100 (Routine)
17 August 1914	Praha-Klementinum, CZ	daily low max	16.0 C (60.8 F)	0.2 C (0.4 F)	30 years	19 of 100 (Routine)
17 August 1914	Barkly East, ZA	daily rain	23.4 mm (0.9 in)	7.7 mm (0.30 in)	20 years	18 of 100 (Routine)
17 August 1914	Peddie (Mag), ZA	daily rain	21.6 mm (0.9 in)	10.7 mm (0.4 in)	11 years	16 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

1797 to 1914

Records set or tied on this calendar date in each year from 1797 to 1914. 1914 had 41 records.

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

Records on 08-17 in each year
Year	Records
1797	2
1802	2
1820	2
1837	1
1838	2
1841	2
1842	1
1845	2
1853	1
1854	1
1856	1
1857	1
1861	3
1862	1
1867	1
1868	3
1869	1
1872	1
1875	2
1876	5
1879	1
1881	1
1882	1
1883	2
1885	3
1886	1
1888	5
1891	1
1892	3
1893	2
1894	3
1895	2
1896	3
1897	1
1898	5
1899	8
1900	3
1901	14
1902	7
1903	6
1904	2
1905	11
1906	28
1907	9
1908	26
1909	24
1910	17
1911	18
1912	31
1913	79
1914	41
1915	28
1916	33
1917	35
1918	112
1919	37
1920	110
1921	37
1922	169
1923	161
1924	171
1925	130
1926	182
1927	228
1928	131
1929	243
1930	138
1931	302
1932	360
1933	260
1934	377
1935	437
1936	670
1937	726
1938	466
1939	364
1940	341
1941	378
1942	461
1943	743
1944	531
1945	387
1946	433
1947	682
1948	475
1949	371
1950	522
1951	413
1952	470
1953	345
1954	685
1955	465
1956	407
1957	504
1958	519
1959	543
1960	533
1961	998
1962	445
1963	650
1964	410
1965	641
1966	496
1967	679
1968	953
1969	593
1970	467
1971	447
1972	1,044
1973	750
1974	582
1975	612
1976	797
1977	1,216
1978	814
1979	1,464
1980	895
1981	1,112
1982	554
1983	1,574
1984	726
1985	948
1986	916
1987	1,150
1988	1,608
1989	687
1990	949
1991	560
1992	1,813
1993	803
1994	1,038
1995	1,724
1996	752
1997	1,544
1998	1,003
1999	697
2000	994
2001	1,101
2002	1,266
2003	948
2004	1,046
2005	722
2006	814
2007	1,646
2008	1,301
2009	922
2010	1,105
2011	956
2012	1,215
2013	802
2014	997
2015	890
2016	748
2017	544
2018	518
2019	467
2020	1,529
2021	800
2022	1,428
2023	1,032
2024	740
2025	538
2026	535

Download the Data

Data for records on 1914-08-17: 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	13
5 to 10	9
10 to 15	6
15 to 20	6
20 to 25	1
25 to 30	2