Weather Records on 10 August 1919

51 weather records were set or tied worldwide on 10 August 1919. Highest significance: Harkerville (Bos), ZA.

Key Facts for 10 August 1919

On 10 August 1919, 51 weather records were set or tied at long-record stations worldwide.
6 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 50 daily.
Harkerville (Bos) set a daily record precipitation of 26.9 mm (1.1 in) on 10 August 1919.
Across 160 earlier years (1814 to 2026) the same calendar date averaged 471 records.

Record Map

51 stations

51 station records on 10 August 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 August 1919: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harkerville (Bos)	South Africa	Record daily precipitation	26.9 mm (1.1 in)	24 of 100 (Routine)
Lucknow	Canada	Record low minimum temperature	2.8 C (37.0 F)	21 of 100 (Routine)
Goudveld (Bos)	South Africa	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Millwood (Bos)	South Africa	Record daily precipitation	40.6 mm (1.6 in)	20 of 100 (Routine)
Griquatown (Tnk)	South Africa	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Lowell	United States	Record low minimum temperature	7.8 C (46.0 F)	20 of 100 (Routine)
Welland	Canada	Record low maximum temperature	20.0 C (68.0 F)	19 of 100 (Routine)
Yarmouth	Canada	Record low minimum temperature	6.7 C (44.1 F)	19 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	5.6 C (42.1 F)	19 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record daily precipitation	11.9 mm (0.5 in)	18 of 100 (Routine)
Chatham	Canada	Record low minimum temperature	6.1 C (43.0 F)	18 of 100 (Routine)
George Airport	South Africa	Record daily precipitation	21.6 mm (0.9 in)	18 of 100 (Routine)
Kieskamahoek (Pol)	South Africa	Record daily precipitation	6.4 mm (0.25 in)	17 of 100 (Routine)
Durham	United Kingdom	Record high maximum temperature	26.7 C (80.1 F)	17 of 100 (Routine)
Cradock	South Africa	Record daily precipitation	0.3 mm (0.01 in)	16 of 100 (Routine)
Storrs	United States	Record low minimum temperature	8.3 C (46.9 F)	16 of 100 (Routine)
Portland	United States	Record low minimum temperature	10.0 C (50.0 F)	15 of 100 (Routine)
Northfield	United States	Record low minimum temperature	3.3 C (37.9 F)	15 of 100 (Routine)
Guelph Oac	Canada	Record low minimum temperature	6.1 C (43.0 F)	14 of 100 (Routine)
Isidinge (Bos)	South Africa	Record daily precipitation	9.4 mm (0.37 in)	14 of 100 (Routine)
Pirie (Bos)	South Africa	Record daily precipitation	4.8 mm (0.19 in)	14 of 100 (Routine)
Concord	United States	Record low minimum temperature	3.9 C (39.0 F)	14 of 100 (Routine)
Harrisburg - Coop	United States	Record low minimum temperature	13.3 C (55.9 F)	14 of 100 (Routine)
Fredericton Unb	Canada	Record low minimum temperature	4.4 C (39.9 F)	13 of 100 (Routine)
Halifax	Canada	Record low minimum temperature	6.7 C (44.1 F)	13 of 100 (Routine)
Simferopol	Ukraine	Record daily precipitation	33.0 mm (1.3 in)	13 of 100 (Routine)
Alexandria (Pol)	South Africa	Record daily precipitation	18.5 mm (0.7 in)	12 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	16.1 C (61.0 F)	11 of 100 (Routine)
Port Alfred	South Africa	Record daily precipitation	11.9 mm (0.5 in)	11 of 100 (Routine)
Sevastopol',Mgs	Ukraine	Record daily precipitation	9.0 mm (0.35 in)	11 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low minimum temperature	14.4 C (57.9 F)	11 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	23.2 C (73.8 F)	10 of 100 (Routine)
Stoney Creek	Canada	Record low minimum temperature	7.8 C (46.0 F)	10 of 100 (Routine)
De Vlei "de Kruis"	South Africa	Record daily precipitation	2.8 mm (0.11 in)	9 of 100 (Routine)
St Albans	Canada	Record high minimum temperature	18.3 C (64.9 F)	8 of 100 (Routine)
Wellwood	South Africa	Record daily precipitation	2.5 mm (0.10 in)	8 of 100 (Routine)
Cudgen Plantation	Australia	Record daily precipitation	13.5 mm (0.5 in)	5 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	13.9 C (57.0 F)	4 of 100 (Routine)
Washington	United States	Record low minimum temperature	12.8 C (55.0 F)	4 of 100 (Routine)
Minnedosa	Canada	Record high minimum temperature	15.6 C (60.1 F)	3 of 100 (Routine)
London South	Canada	Record low minimum temperature	5.6 C (42.1 F)	3 of 100 (Routine)
Sydney	Canada	Record low minimum temperature	7.2 C (45.0 F)	3 of 100 (Routine)
Alma	United States	Record low minimum temperature	7.2 C (45.0 F)	3 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	16.1 C (61.0 F)	3 of 100 (Routine)
Sacramento 5 ESE	United States	Record low minimum temperature	10.0 C (50.0 F)	3 of 100 (Routine)
Saint John	Canada	Record low minimum temperature	9.4 C (48.9 F)	2 of 100 (Routine)
Vastervik	Sweden	Record low minimum temperature	8.0 C (46.4 F)	2 of 100 (Routine)
Menangle Jmai	Australia	Record daily precipitation	0.8 mm (0.03 in)	1 of 100 (Routine)
Quandary (Happy Corner)	Australia	Record daily precipitation	2.5 mm (0.10 in)	1 of 100 (Routine)
Anticosti SW Point	Canada	Record low minimum temperature	5.6 C (42.1 F)	1 of 100 (Routine)
Camden (Brownlow Hill)	Australia	Record daily precipitation	4.1 mm (0.16 in)	0 of 100 (Routine)

Counts by Type and Timescale

51 records

Records set or tied on 10 August 1919 by type: Highest daily maximum 2, Lowest daily maximum 1, Highest daily minimum 4, Lowest daily minimum 24, Heaviest daily rainfall 20.

Records on 10 August 1919 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	1
Highest daily minimum	4
Lowest daily minimum	24
Heaviest daily rainfall	20
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 August 1919 by timescale: all-time 0, monthly 1, daily 50.

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 18.0. Ties are not counted.

Top 20 by Significance

10 August 1919

Top 20 records on 10 August 1919 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 August 1919	Harkerville (Bos), ZA	daily rain	26.9 mm (1.1 in)	18.0 mm (0.7 in)	25 years	24 of 100 (Routine)
10 August 1919	Lucknow, CA	daily low min	2.8 C (37.0 F)	3.9 C (7.0 F)	30 years	21 of 100 (Routine)
10 August 1919	Goudveld (Bos), ZA	daily rain	24.4 mm (1.0 in)	14.5 mm (0.6 in)	30 years	20 of 100 (Routine)
10 August 1919	Millwood (Bos), ZA	daily rain	40.6 mm (1.6 in)	17.2 mm (0.7 in)	8 years	20 of 100 (Routine)
10 August 1919	Griquatown (Tnk), ZA	daily rain	7.6 mm (0.30 in)	7.6 mm (0.30 in)	35 years	20 of 100 (Routine)
10 August 1919	Lowell, US	daily low min	7.8 C (46.0 F)	3.9 C (7.0 F)	24 years	20 of 100 (Routine)
10 August 1919	Welland, CA	daily low max	20.0 C (68.0 F)	2.2 C (4.0 F)	34 years	19 of 100 (Routine)
10 August 1919	Yarmouth, CA	daily low min	6.7 C (44.1 F)	2.2 C (4.0 F)	19 years	19 of 100 (Routine)
10 August 1919	Middletown 4 W, US	daily low min	5.6 C (42.1 F)	4.4 C (7.9 F)	14 years	19 of 100 (Routine)
10 August 1919	Winnipeg St Johns Coll, CA	daily rain	11.9 mm (0.5 in)	2.0 mm (0.08 in)	42 years	18 of 100 (Routine)
10 August 1919	Chatham, CA	daily low min	6.1 C (43.0 F)	2.2 C (4.0 F)	27 years	18 of 100 (Routine)
10 August 1919	George Airport, ZA	daily rain	21.6 mm (0.9 in)	3.8 mm (0.15 in)	38 years	18 of 100 (Routine)
10 August 1919	Kieskamahoek (Pol), ZA	daily rain	6.4 mm (0.25 in)	5.9 mm (0.23 in)	27 years	17 of 100 (Routine)
10 August 1919	Durham, GB	daily high max	26.7 C (80.1 F)	0.9 C (1.6 F)	36 years	17 of 100 (Routine)
10 August 1919	Cradock, ZA	daily rain	0.3 mm (0.01 in)	0.3 mm (0.01 in)	40 years	16 of 100 (Routine)
10 August 1919	Storrs, US	daily low min	8.3 C (46.9 F)	2.3 C (4.1 F)	24 years	16 of 100 (Routine)
10 August 1919	Portland, US	daily low min	10.0 C (50.0 F)	1.1 C (2.0 F)	24 years	15 of 100 (Routine)
10 August 1919	Northfield, US	daily low min	3.3 C (37.9 F)	2.3 C (4.1 F)	24 years	15 of 100 (Routine)
10 August 1919	Guelph Oac, CA	daily low min	6.1 C (43.0 F)	0.6 C (1.1 F)	34 years	14 of 100 (Routine)
10 August 1919	Isidinge (Bos), ZA	daily rain	9.4 mm (0.37 in)	1.8 mm (0.07 in)	33 years	14 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

1814 to 1919

Records set or tied on this calendar date in each year from 1814 to 1919. 1919 had 51 records.

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

Records on 08-10 in each year
Year	Records
1814	1
1815	1
1838	1
1845	2
1847	1
1849	1
1852	1
1853	1
1857	2
1859	1
1861	2
1862	2
1863	1
1864	1
1869	2
1871	1
1877	1
1879	4
1881	2
1884	2
1885	1
1886	1
1887	1
1888	1
1890	2
1891	6
1892	1
1893	1
1894	5
1895	1
1896	5
1897	7
1898	4
1899	6
1900	6
1901	5
1902	7
1903	8
1904	12
1905	5
1906	16
1907	9
1908	7
1909	33
1910	10
1911	40
1912	39
1913	44
1914	27
1915	26
1916	88
1917	51
1918	43
1919	51
1920	101
1921	66
1922	78
1923	175
1924	245
1925	430
1926	80
1927	294
1928	160
1929	264
1930	299
1931	424
1932	251
1933	305
1934	662
1935	480
1936	487
1937	399
1938	382
1939	593
1940	386
1941	459
1942	420
1943	304
1944	1,006
1945	360
1946	303
1947	766
1948	339
1949	586
1950	324
1951	425
1952	395
1953	431
1954	372
1955	309
1956	522
1957	322
1958	443
1959	528
1960	470
1961	640
1962	761
1963	479
1964	553
1965	700
1966	1,231
1967	766
1968	784
1969	588
1970	702
1971	760
1972	1,175
1973	597
1974	719
1975	664
1976	855
1977	786
1978	495
1979	700
1980	849
1981	857
1982	1,070
1983	915
1984	956
1985	918
1986	535
1987	896
1988	792
1989	1,291
1990	736
1991	819
1992	1,051
1993	774
1994	1,338
1995	1,119
1996	1,027
1997	1,504
1998	1,112
1999	945
2000	990
2001	1,192
2002	1,080
2003	1,556
2004	976
2005	1,225
2006	980
2007	1,476
2008	871
2009	869
2010	1,704
2011	1,247
2012	995
2013	599
2014	516
2015	583
2016	893
2017	636
2018	1,018
2019	754
2020	816
2021	553
2022	687
2023	782
2024	882
2025	659
2026	1,149

Download the Data

Data for records on 1919-08-10: 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 3	25
3 to 5	6
5 to 8	2
8 to 10	1
10 to 13	0
13 to 15	1
15 to 18	1
18 to 20	1