Weather Records on 10 August 1917

51 weather records were set or tied worldwide on 10 August 1917. Highest significance: Arumpo, AU.

Key Facts for 10 August 1917

On 10 August 1917, 51 weather records were set or tied at long-record stations worldwide.
7 were record highs and 6 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 50 daily.
Arumpo set a daily record precipitation of 33.8 mm (1.3 in) on 10 August 1917.
Across 160 earlier years (1814 to 2026) the same calendar date averaged 471 records.

Record Map

51 stations

51 station records on 10 August 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 August 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Arumpo	Australia	Record daily precipitation	33.8 mm (1.3 in)	54 of 100 (Notable)
Panban	Australia	Record daily precipitation	33.8 mm (1.3 in)	50 of 100 (Notable)
Violet Town	Australia	Record daily precipitation	57.9 mm (2.3 in)	46 of 100 (Notable)
Chatham	Canada	Record daily precipitation	82.6 mm (3.3 in)	46 of 100 (Notable)
Fredericton Unb	Canada	Record daily precipitation	79.0 mm (3.1 in)	43 of 100 (Notable)
Gorlitz	Germany	Record daily precipitation	45.8 mm (1.8 in)	33 of 100 (Routine)
Bad Muskau	Germany	Record daily precipitation	29.4 mm (1.2 in)	30 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record low minimum temperature	18.0 C (64.4 F)	28 of 100 (Routine)
Mount Macedon	Australia	Record daily precipitation	31.8 mm (1.3 in)	27 of 100 (Routine)
Blue Hill Coop	United States	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	25.9 mm (1.0 in)	23 of 100 (Routine)
Point Escuminac	Canada	Record daily precipitation	26.2 mm (1.0 in)	22 of 100 (Routine)
Killalpaninna	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Wunnamurra	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Middleburg	South Africa	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Arrowie	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Manfred	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Moonaree	Australia	Record daily precipitation	4.1 mm (0.16 in)	20 of 100 (Routine)
Buangor 1	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Binya Post Office	Australia	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
Saint John	Canada	Record daily precipitation	32.3 mm (1.3 in)	18 of 100 (Routine)
Hingham (1)	United States	Record daily precipitation	30.5 mm (1.2 in)	18 of 100 (Routine)
Groongal (Groongal Station)	Australia	Record daily precipitation	4.3 mm (0.17 in)	16 of 100 (Routine)
Steynsburg	South Africa	Record daily precipitation	0.8 mm (0.03 in)	16 of 100 (Routine)
Oranjerivier (Sar)	South Africa	Record daily precipitation	4.6 mm (0.18 in)	16 of 100 (Routine)
Anna Creek	Australia	Record daily precipitation	3.0 mm (0.12 in)	15 of 100 (Routine)
Kongal	Australia	Record daily precipitation	11.2 mm (0.4 in)	15 of 100 (Routine)
Koffiefontein (Pol)	South Africa	Record daily precipitation	0.8 mm (0.03 in)	15 of 100 (Routine)
Alton	Canada	Record low maximum temperature	17.8 C (64.0 F)	14 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	13.1 C (55.6 F)	13 of 100 (Routine)
White Cliffs (Yancannia)	Australia	Record daily precipitation	3.8 mm (0.15 in)	12 of 100 (Routine)
Madowla Park	Australia	Record daily precipitation	17.0 mm (0.7 in)	12 of 100 (Routine)
Bamberg	Germany	Record daily precipitation	17.5 mm (0.7 in)	12 of 100 (Routine)
Alice Springs Post Office	Australia	Record high minimum temperature	17.2 C (63.0 F)	10 of 100 (Routine)
Irkutsk	Russia	Record low minimum temperature	4.3 C (39.7 F)	10 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record low minimum temperature	9.4 C (48.9 F)	10 of 100 (Routine)
Carrieton (Pamatta)	Australia	Record daily precipitation	3.8 mm (0.15 in)	9 of 100 (Routine)
Port Germein	Australia	Record daily precipitation	2.5 mm (0.10 in)	8 of 100 (Routine)
Carrieton (Yackara)	Australia	Record daily precipitation	4.3 mm (0.17 in)	8 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	17.9 C (64.2 F)	8 of 100 (Routine)
Woomera (South Gap Station)	Australia	Record daily precipitation	3.8 mm (0.15 in)	7 of 100 (Routine)
Peterborough (Dawson)	Australia	Record daily precipitation	2.5 mm (0.10 in)	6 of 100 (Routine)
Lake Cochituate	United States	Record daily precipitation	12.7 mm (0.5 in)	6 of 100 (Routine)
Warranooke (Glenorchy)	Australia	Record daily precipitation	13.7 mm (0.5 in)	5 of 100 (Routine)
Charlottetown	Canada	Record high minimum temperature	20.0 C (68.0 F)	3 of 100 (Routine)
La Crosse Wb City	United States	Record low minimum temperature	9.4 C (48.9 F)	3 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record high minimum temperature	9.4 C (48.9 F)	2 of 100 (Routine)
Yardea	Australia	Record daily precipitation	5.6 mm (0.22 in)	1 of 100 (Routine)
Cobar Post Office	Australia	Record high minimum temperature	12.2 C (54.0 F)	1 of 100 (Routine)
Concordia ASOS	United States	Record low minimum temperature	12.2 C (54.0 F)	1 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	15.0 C (59.0 F)	0 of 100 (Routine)

Counts by Type and Timescale

51 records

Records set or tied on 10 August 1917 by type: Lowest daily maximum 1, Highest daily minimum 7, Lowest daily minimum 5, Heaviest daily rainfall 38.

Records on 10 August 1917 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	1
Highest daily minimum	7
Lowest daily minimum	5
Heaviest daily rainfall	38
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 August 1917 by timescale: all-time 0, monthly 1, daily 50.

How Much Records Were Beaten By

44 broken records

Margins by which the 44 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.7. Ties are not counted.

Top 20 by Significance

10 August 1917

Top 20 records on 10 August 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 August 1917	Arumpo, AU	daily rain	33.8 mm (1.3 in)	32.3 mm (1.3 in)	36 years	54 of 100 (Notable)
10 August 1917	Panban, AU	daily rain	33.8 mm (1.3 in)	30.2 mm (1.2 in)	25 years	50 of 100 (Notable)
10 August 1917	Violet Town, AU	monthly rain	57.9 mm (2.3 in)	16.0 mm (0.6 in)	27 years	46 of 100 (Notable)
10 August 1917	Chatham, CA	daily rain	82.6 mm (3.3 in)	58.7 mm (2.3 in)	8 years	46 of 100 (Notable)
10 August 1917	Fredericton Unb, CA	daily rain	79.0 mm (3.1 in)	43.2 mm (1.7 in)	16 years	43 of 100 (Notable)
10 August 1917	Gorlitz, DE	daily rain	45.8 mm (1.8 in)	22.4 mm (0.9 in)	4 years	33 of 100 (Routine)
10 August 1917	Bad Muskau, DE	daily rain	29.4 mm (1.2 in)	11.7 mm (0.5 in)	27 years	30 of 100 (Routine)
10 August 1917	Oran-Hopital Militaire, DZ	daily low min	18.0 C (64.4 F)	1.0 C (1.8 F)	58 years	28 of 100 (Routine)
10 August 1917	Mount Macedon, AU	daily rain	31.8 mm (1.3 in)	16.1 mm (0.6 in)	7 years	27 of 100 (Routine)
10 August 1917	Blue Hill Coop, US	daily rain	38.1 mm (1.5 in)	19.3 mm (0.8 in)	17 years	24 of 100 (Routine)
10 August 1917	Cap Madeleine, CA	daily rain	25.9 mm (1.0 in)	12.4 mm (0.5 in)	25 years	23 of 100 (Routine)
10 August 1917	Point Escuminac, CA	daily rain	26.2 mm (1.0 in)	12.7 mm (0.5 in)	27 years	22 of 100 (Routine)
10 August 1917	Killalpaninna, AU	daily rain	21.6 mm (0.9 in)	21.6 mm (0.9 in)	31 years	20 of 100 (Routine)
10 August 1917	Wunnamurra, AU	daily rain	16.3 mm (0.6 in)	12.5 mm (0.5 in)	32 years	20 of 100 (Routine)
10 August 1917	Middleburg, ZA	daily rain	10.2 mm (0.4 in)	10.2 mm (0.4 in)	38 years	20 of 100 (Routine)
10 August 1917	Arrowie, AU	daily rain	11.7 mm (0.5 in)	11.7 mm (0.5 in)	36 years	20 of 100 (Routine)
10 August 1917	Manfred, AU	daily rain	15.2 mm (0.6 in)	12.9 mm (0.5 in)	18 years	20 of 100 (Routine)
10 August 1917	Moonaree, AU	daily rain	4.1 mm (0.16 in)	4.1 mm (0.16 in)	32 years	20 of 100 (Routine)
10 August 1917	Buangor 1, AU	daily rain	15.2 mm (0.6 in)	5.0 mm (0.20 in)	36 years	20 of 100 (Routine)
10 August 1917	Binya Post Office, AU	daily rain	3.0 mm (0.12 in)	3.0 mm (0.12 in)	40 years	20 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 1917

Records set or tied on this calendar date in each year from 1814 to 1917. 1917 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 1917-08-10: 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).

Histogram of margins by which records were beaten on 10 August 1917
Margin	Records
0 to 10	27
10 to 20	11
20 to 30	2
30 to 40	2
40 to 50	1
50 to 60	1