Weather Records on 18 August 1916

71 weather records were set or tied worldwide on 18 August 1916. Highest significance: Falsterbo, SE.

Key Facts for 18 August 1916

On 18 August 1916, 71 weather records were set or tied at long-record stations worldwide.
32 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 68 daily.
Falsterbo set a daily record precipitation of 32.5 mm (1.3 in) on 18 August 1916.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 443 records.

Record Map

71 stations

71 station records on 18 August 1916 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 1916: highest significance records shown on the map
Station	Country	Type	Value	Significance
Falsterbo	Sweden	Record daily precipitation	32.5 mm (1.3 in)	46 of 100 (Notable)
Hano_A	Sweden	Record daily precipitation	63.2 mm (2.5 in)	30 of 100 (Routine)
Winnemucca AP	United States	Record low maximum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Madison Wb City	United States	Record high minimum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Kremsmuenster	Austria	Record daily precipitation	38.8 mm (1.5 in)	23 of 100 (Routine)
Karlshamn	Sweden	Record daily precipitation	29.2 mm (1.1 in)	22 of 100 (Routine)
Cullendale	South Africa	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Koebenhavn - Meteorologisk Ins	Denmark	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Kristianstad	Sweden	Record daily precipitation	47.0 mm (1.9 in)	20 of 100 (Routine)
Milwaukee Wb City	United States	Record high maximum temperature	35.6 C (96.1 F)	20 of 100 (Routine)
Grahamstown	South Africa	Record daily precipitation	26.4 mm (1.0 in)	19 of 100 (Routine)
Middleton (Sar)	South Africa	Record daily precipitation	10.4 mm (0.4 in)	18 of 100 (Routine)
Fort Beaufort	South Africa	Record daily precipitation	22.9 mm (0.9 in)	18 of 100 (Routine)
Ljungby	Sweden	Record daily precipitation	17.8 mm (0.7 in)	18 of 100 (Routine)
Milwaukee Wb City	United States	Record high minimum temperature	23.9 C (75.0 F)	18 of 100 (Routine)
Katberg (Bos)	South Africa	Record daily precipitation	16.8 mm (0.7 in)	17 of 100 (Routine)
Winbar	Australia	Record daily precipitation	1.3 mm (0.05 in)	16 of 100 (Routine)
Gorki	Belarus	Record daily precipitation	21.9 mm (0.9 in)	16 of 100 (Routine)
Somerset East	South Africa	Record daily precipitation	7.6 mm (0.30 in)	15 of 100 (Routine)
La Crosse Wb City	United States	Record high minimum temperature	23.9 C (75.0 F)	15 of 100 (Routine)
Dubuque River	United States	Record high maximum temperature	36.7 C (98.1 F)	15 of 100 (Routine)
Dubuque River	United States	Record high minimum temperature	24.4 C (75.9 F)	15 of 100 (Routine)
Winnemucca AP	United States	Record low minimum temperature	-1.1 C (30.0 F)	15 of 100 (Routine)
Hillview (Ballandry)	Australia	Record daily precipitation	5.1 mm (0.20 in)	14 of 100 (Routine)
Medicine Hat A	Canada	Record low maximum temperature	16.7 C (62.1 F)	14 of 100 (Routine)
Chicoutimi	Canada	Record high maximum temperature	32.2 C (90.0 F)	14 of 100 (Routine)
Elliston	Australia	Record daily precipitation	5.6 mm (0.22 in)	13 of 100 (Routine)
Minlaton	Australia	Record daily precipitation	8.9 mm (0.35 in)	13 of 100 (Routine)
Echunga Golf Course	Australia	Record daily precipitation	7.9 mm (0.31 in)	13 of 100 (Routine)
Haparanda	Sweden	Record low minimum temperature	1.0 C (33.8 F)	13 of 100 (Routine)
Vanersborg	Sweden	Record high minimum temperature	14.0 C (57.2 F)	13 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high maximum temperature	33.9 C (93.0 F)	13 of 100 (Routine)
Portland Rfc City	United States	Record low maximum temperature	18.9 C (66.0 F)	13 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high maximum temperature	33.9 C (93.0 F)	12 of 100 (Routine)
London South	Canada	Record high maximum temperature	33.9 C (93.0 F)	12 of 100 (Routine)
Alexandria (Pol)	South Africa	Record daily precipitation	22.9 mm (0.9 in)	12 of 100 (Routine)
La Crosse Wb City	United States	Record high maximum temperature	36.1 C (97.0 F)	12 of 100 (Routine)
Marrabel	Australia	Record daily precipitation	11.4 mm (0.4 in)	11 of 100 (Routine)
Callington	Australia	Record daily precipitation	4.1 mm (0.16 in)	11 of 100 (Routine)
St Albans	Canada	Record high maximum temperature	38.9 C (102.0 F)	11 of 100 (Routine)
Huron Rgnl AP	United States	Record high minimum temperature	21.7 C (71.1 F)	11 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	18.3 C (64.9 F)	9 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	14.4 C (57.9 F)	9 of 100 (Routine)
Mitcham Post Office	Australia	Record daily precipitation	7.4 mm (0.29 in)	7 of 100 (Routine)
North Adelaide	Australia	Record daily precipitation	7.6 mm (0.30 in)	7 of 100 (Routine)
St Albans	Canada	Record high minimum temperature	21.1 C (70.0 F)	7 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record daily precipitation	12.4 mm (0.5 in)	7 of 100 (Routine)
Isidinge (Bos)	South Africa	Record daily precipitation	17.8 mm (0.7 in)	7 of 100 (Routine)
Kingscote	Australia	Record daily precipitation	5.1 mm (0.20 in)	6 of 100 (Routine)
Calgary Int'l A	Canada	Record low maximum temperature	10.6 C (51.1 F)	6 of 100 (Routine)
Harnosand	Sweden	Record low maximum temperature	13.0 C (55.4 F)	6 of 100 (Routine)
Adelaide (Pooraka)	Australia	Record daily precipitation	6.4 mm (0.25 in)	5 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	33.3 C (91.9 F)	5 of 100 (Routine)
Madison Wb City	United States	Record high maximum temperature	35.6 C (96.1 F)	5 of 100 (Routine)
St John's	Canada	Record high maximum temperature	25.6 C (78.1 F)	4 of 100 (Routine)
Gospic	Croatia	Record daily precipitation	39.8 mm (1.6 in)	4 of 100 (Routine)
San Diego Wbo	United States	Record low minimum temperature	15.6 C (60.1 F)	3 of 100 (Routine)
Morgan Post Office	Australia	Record daily precipitation	7.6 mm (0.30 in)	2 of 100 (Routine)
Halmstad	Sweden	Record high minimum temperature	15.0 C (59.0 F)	2 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	14.0 C (57.2 F)	2 of 100 (Routine)

Counts by Type and Timescale

71 records

Records set or tied on 18 August 1916 by type: Highest daily maximum 12, Lowest daily maximum 5, Highest daily minimum 20, Lowest daily minimum 3, Heaviest daily rainfall 31.

Records on 18 August 1916 by type
Record type	Records
Highest daily maximum	12
Lowest daily maximum	5
Highest daily minimum	20
Lowest daily minimum	3
Heaviest daily rainfall	31
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1916 by timescale: all-time 0, monthly 3, daily 68.

How Much Records Were Beaten By

54 broken records

Margins by which the 54 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 22.4. Ties are not counted.

Top 20 by Significance

18 August 1916

Top 20 records on 18 August 1916 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1916	Falsterbo, SE	daily rain	32.5 mm (1.3 in)	22.4 mm (0.9 in)	13 years	46 of 100 (Notable)
18 August 1916	Hano_A, SE	monthly rain	63.2 mm (2.5 in)	9.1 mm (0.36 in)	10 years	30 of 100 (Routine)
18 August 1916	Winnemucca AP, US	daily low max	17.2 C (63.0 F)	6.7 C (12.1 F)	16 years	27 of 100 (Routine)
18 August 1916	Madison Wb City, US	daily high min	24.4 C (75.9 F)	3.3 C (5.9 F)	39 years	25 of 100 (Routine)
18 August 1916	Kremsmuenster, AT	daily rain	38.8 mm (1.5 in)	8.5 mm (0.33 in)	36 years	23 of 100 (Routine)
18 August 1916	Karlshamn, SE	daily rain	29.2 mm (1.1 in)	10.9 mm (0.4 in)	1 year	22 of 100 (Routine)
18 August 1916	Cullendale, ZA	daily rain	14.2 mm (0.6 in)	10.9 mm (0.4 in)	24 years	20 of 100 (Routine)
18 August 1916	Koebenhavn - Meteorologisk Ins, DK	daily rain	18.3 mm (0.7 in)	10.7 mm (0.4 in)	1 year	20 of 100 (Routine)
18 August 1916	Kristianstad, SE	monthly rain	47.0 mm (1.9 in)	2.6 mm (0.10 in)	12 years	20 of 100 (Routine)
18 August 1916	Milwaukee Wb City, US	daily high max	35.6 C (96.1 F)	2.8 C (5.0 F)	35 years	20 of 100 (Routine)
18 August 1916	Grahamstown, ZA	daily rain	26.4 mm (1.0 in)	15.2 mm (0.6 in)	2 years	19 of 100 (Routine)
18 August 1916	Middleton (Sar), ZA	daily rain	10.4 mm (0.4 in)	5.3 mm (0.21 in)	24 years	18 of 100 (Routine)
18 August 1916	Fort Beaufort, ZA	daily rain	22.9 mm (0.9 in)	7.2 mm (0.28 in)	13 years	18 of 100 (Routine)
18 August 1916	Ljungby, SE	daily rain	17.8 mm (0.7 in)	9.4 mm (0.37 in)	9 years	18 of 100 (Routine)
18 August 1916	Milwaukee Wb City, US	daily high min	23.9 C (75.0 F)	1.7 C (3.1 F)	32 years	18 of 100 (Routine)
18 August 1916	Katberg (Bos), ZA	daily rain	16.8 mm (0.7 in)	6.4 mm (0.25 in)	24 years	17 of 100 (Routine)
18 August 1916	Winbar, AU	daily rain	1.3 mm (0.05 in)	1.3 mm (0.05 in)	39 years	16 of 100 (Routine)
18 August 1916	Gorki, BY	daily rain	21.9 mm (0.9 in)	10.8 mm (0.4 in)	1 year	16 of 100 (Routine)
18 August 1916	Somerset East, ZA	daily rain	7.6 mm (0.30 in)	0.7 mm (0.03 in)	37 years	15 of 100 (Routine)
18 August 1916	La Crosse Wb City, US	daily high min	23.9 C (75.0 F)	1.1 C (2.0 F)	32 years	15 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 1916

Records set or tied on this calendar date in each year from 1797 to 1916. 1916 had 71 records.

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

Records on 08-18 in each year
Year	Records
1797	2
1805	1
1816	1
1827	1
1829	1
1830	1
1833	1
1841	1
1844	1
1845	3
1846	1
1847	1
1849	1
1851	1
1852	1
1853	1
1854	2
1855	1
1856	1
1861	1
1864	2
1866	1
1868	2
1869	1
1870	2
1872	1
1873	1
1875	3
1876	1
1878	1
1879	2
1883	3
1885	3
1886	3
1887	3
1888	2
1889	1
1890	1
1891	2
1892	6
1893	4
1894	4
1895	1
1898	4
1899	6
1900	2
1901	10
1902	8
1903	6
1904	8
1905	10
1906	40
1907	7
1908	21
1909	24
1910	16
1911	11
1912	21
1913	43
1914	37
1915	60
1916	71
1917	70
1918	53
1919	34
1920	51
1921	39
1922	129
1923	90
1924	225
1925	300
1926	168
1927	269
1928	141
1929	181
1930	150
1931	241
1932	382
1933	431
1934	638
1935	424
1936	766
1937	308
1938	243
1939	381
1940	434
1941	467
1942	333
1943	738
1944	325
1945	400
1946	416
1947	958
1948	315
1949	393
1950	683
1951	355
1952	405
1953	323
1954	622
1955	795
1956	580
1957	380
1958	580
1959	537
1960	599
1961	415
1962	428
1963	760
1964	443
1965	525
1966	573
1967	623
1968	795
1969	530
1970	597
1971	381
1972	493
1973	734
1974	639
1975	844
1976	917
1977	1,112
1978	854
1979	1,309
1980	771
1981	1,386
1982	563
1983	1,420
1984	600
1985	765
1986	861
1987	1,609
1988	1,351
1989	952
1990	920
1991	533
1992	1,497
1993	706
1994	1,027
1995	1,882
1996	760
1997	1,191
1998	923
1999	888
2000	1,183
2001	1,036
2002	1,306
2003	860
2004	1,050
2005	865
2006	842
2007	1,116
2008	1,265
2009	839
2010	1,167
2011	1,239
2012	1,247
2013	752
2014	751
2015	880
2016	704
2017	565
2018	462
2019	615
2020	1,541
2021	1,118
2022	1,237
2023	1,094
2024	696
2025	455
2026	545

Download the Data

Data for records on 1916-08-18: 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	40
5 to 10	8
10 to 15	4
15 to 20	1
20 to 25	1