Weather Records on 23 August 1918

91 weather records were set or tied worldwide on 23 August 1918. Highest significance: Buangor 1, AU.

Key Facts for 23 August 1918

On 23 August 1918, 91 weather records were set or tied at long-record stations worldwide.
45 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 91 daily.
Buangor 1 set a daily record precipitation of 33.5 mm (1.3 in) on 23 August 1918.
Across 164 earlier years (1802 to 2026) the same calendar date averaged 446 records.

Record Map

91 stations

91 station records on 23 August 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 August 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Buangor 1	Australia	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Bjuroklubb	Sweden	Record daily precipitation	43.2 mm (1.7 in)	46 of 100 (Notable)
Lakefield	Canada	Record daily precipitation	82.6 mm (3.3 in)	33 of 100 (Routine)
Umea	Sweden	Record daily precipitation	34.6 mm (1.4 in)	31 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	32.8 C (91.0 F)	24 of 100 (Routine)
Montgomery Wb City	United States	Record low minimum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
St Albans	Canada	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Port Wakefield	Australia	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Stratford	Canada	Record high maximum temperature	32.2 C (90.0 F)	20 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	21.1 C (70.0 F)	18 of 100 (Routine)
Haliburton A	Canada	Record high maximum temperature	32.2 C (90.0 F)	18 of 100 (Routine)
Victoria River Downs	Australia	Record daily precipitation	5.8 mm (0.23 in)	17 of 100 (Routine)
Blyth	Australia	Record daily precipitation	8.4 mm (0.33 in)	17 of 100 (Routine)
Brantford	Canada	Record high minimum temperature	21.1 C (70.0 F)	17 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high minimum temperature	18.8 C (65.8 F)	17 of 100 (Routine)
Concord	United States	Record high maximum temperature	33.9 C (93.0 F)	17 of 100 (Routine)
Baku	Azerbaijan	Record daily precipitation	3.2 mm (0.13 in)	16 of 100 (Routine)
Stonecliffe	Canada	Record high maximum temperature	31.1 C (88.0 F)	16 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	20.0 C (68.0 F)	16 of 100 (Routine)
Welland	Canada	Record high maximum temperature	31.7 C (89.1 F)	16 of 100 (Routine)
Hohenpeissenberg	Germany	Record high minimum temperature	20.1 C (68.2 F)	16 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	17.6 C (63.7 F)	16 of 100 (Routine)
Brinkworth (Bungaree)	Australia	Record daily precipitation	12.2 mm (0.5 in)	15 of 100 (Routine)
Port Clinton (Yararoo)	Australia	Record daily precipitation	8.6 mm (0.34 in)	15 of 100 (Routine)
Mortlake	Australia	Record daily precipitation	13.5 mm (0.5 in)	15 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	20.6 C (69.1 F)	15 of 100 (Routine)
Bamberg	Germany	Record high minimum temperature	17.6 C (63.7 F)	15 of 100 (Routine)
Karlsruhe	Germany	Record high minimum temperature	19.4 C (66.9 F)	14 of 100 (Routine)
Plauen	Germany	Record high maximum temperature	31.7 C (89.1 F)	14 of 100 (Routine)
Wirrabara	Australia	Record daily precipitation	6.9 mm (0.27 in)	13 of 100 (Routine)
Wirrabara Forest	Australia	Record daily precipitation	8.6 mm (0.34 in)	13 of 100 (Routine)
Walbundrie (Crediton Street)	Australia	Record daily precipitation	27.9 mm (1.1 in)	13 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	31.9 C (89.4 F)	13 of 100 (Routine)
Freiburg	Germany	Record high minimum temperature	19.2 C (66.6 F)	13 of 100 (Routine)
Alma	United States	Record high minimum temperature	20.6 C (69.1 F)	13 of 100 (Routine)
Georgetown	Australia	Record daily precipitation	5.1 mm (0.20 in)	12 of 100 (Routine)
Overland Corner	Australia	Record daily precipitation	3.3 mm (0.13 in)	12 of 100 (Routine)
Morgan Post Office	Australia	Record daily precipitation	1.8 mm (0.07 in)	12 of 100 (Routine)
Beenak	Australia	Record daily precipitation	18.0 mm (0.7 in)	12 of 100 (Routine)
Plauen	Germany	Record high minimum temperature	18.2 C (64.8 F)	12 of 100 (Routine)
Burlington	United States	Record high maximum temperature	30.6 C (87.1 F)	12 of 100 (Routine)
Wilmington	Australia	Record daily precipitation	3.8 mm (0.15 in)	11 of 100 (Routine)
Paskeville	Australia	Record daily precipitation	3.6 mm (0.14 in)	11 of 100 (Routine)
Stanthorpe Leslie Parade	Australia	Record daily precipitation	9.7 mm (0.38 in)	11 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	33.3 C (91.9 F)	11 of 100 (Routine)
Renfrew	Canada	Record high minimum temperature	19.4 C (66.9 F)	11 of 100 (Routine)
Lucknow	Canada	Record high minimum temperature	20.6 C (69.1 F)	11 of 100 (Routine)
Freiburg	Germany	Record high maximum temperature	32.6 C (90.7 F)	11 of 100 (Routine)
Booleroo Centre	Australia	Record daily precipitation	5.6 mm (0.22 in)	10 of 100 (Routine)
Mitchell Post Office	Australia	Record daily precipitation	6.4 mm (0.25 in)	10 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	12.8 C (55.0 F)	10 of 100 (Routine)
Sonnblick	Austria	Record high minimum temperature	4.6 C (40.3 F)	10 of 100 (Routine)
Ottawa	Canada	Record high minimum temperature	19.4 C (66.9 F)	10 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high maximum temperature	33.3 C (91.9 F)	10 of 100 (Routine)
Melrose	Australia	Record daily precipitation	2.5 mm (0.10 in)	9 of 100 (Routine)
Crystal Brook	Australia	Record daily precipitation	3.8 mm (0.15 in)	9 of 100 (Routine)
Koolunga	Australia	Record daily precipitation	5.6 mm (0.22 in)	9 of 100 (Routine)
Adelaide West Terrace	Australia	Record low maximum temperature	13.2 C (55.8 F)	9 of 100 (Routine)
Blackwood	Australia	Record daily precipitation	12.4 mm (0.5 in)	9 of 100 (Routine)
Uccle	Belgium	Record high minimum temperature	18.0 C (64.4 F)	9 of 100 (Routine)

Counts by Type and Timescale

91 records

Records set or tied on 23 August 1918 by type: Highest daily maximum 19, Lowest daily maximum 2, Highest daily minimum 26, Lowest daily minimum 2, Heaviest daily rainfall 42.

Records on 23 August 1918 by type
Record type	Records
Highest daily maximum	19
Lowest daily maximum	2
Highest daily minimum	26
Lowest daily minimum	2
Heaviest daily rainfall	42
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 August 1918 by timescale: all-time 0, monthly 0, daily 91.

How Much Records Were Beaten By

79 broken records

Margins by which the 79 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 35.0. Ties are not counted.

Top 20 by Significance

23 August 1918

Top 20 records on 23 August 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 1918	Buangor 1, AU	daily rain	33.5 mm (1.3 in)	28.4 mm (1.1 in)	16 years	47 of 100 (Notable)
23 August 1918	Bjuroklubb, SE	daily rain	43.2 mm (1.7 in)	35.0 mm (1.4 in)	9 years	46 of 100 (Notable)
23 August 1918	Lakefield, CA	daily rain	82.6 mm (3.3 in)	25.4 mm (1.0 in)	31 years	33 of 100 (Routine)
23 August 1918	Umea, SE	daily rain	34.6 mm (1.4 in)	13.0 mm (0.5 in)	27 years	31 of 100 (Routine)
23 August 1918	Ottawa, CA	daily high max	32.8 C (91.0 F)	3.9 C (7.0 F)	37 years	24 of 100 (Routine)
23 August 1918	Montgomery Wb City, US	daily low min	18.3 C (64.9 F)	1.1 C (2.0 F)	42 years	22 of 100 (Routine)
23 August 1918	St Albans, CA	daily rain	23.9 mm (0.9 in)	14.8 mm (0.6 in)	19 years	20 of 100 (Routine)
23 August 1918	Port Wakefield, AU	daily rain	5.1 mm (0.20 in)	3.8 mm (0.15 in)	31 years	20 of 100 (Routine)
23 August 1918	Stratford, CA	daily high max	32.2 C (90.0 F)	1.6 C (2.9 F)	37 years	20 of 100 (Routine)
23 August 1918	Woodstock, CA	daily high min	21.1 C (70.0 F)	2.2 C (4.0 F)	31 years	18 of 100 (Routine)
23 August 1918	Haliburton A, CA	daily high max	32.2 C (90.0 F)	3.3 C (5.9 F)	23 years	18 of 100 (Routine)
23 August 1918	Victoria River Downs, AU	daily rain	5.8 mm (0.23 in)	5.8 mm (0.23 in)	31 years	17 of 100 (Routine)
23 August 1918	Blyth, AU	daily rain	8.4 mm (0.33 in)	3.6 mm (0.14 in)	23 years	17 of 100 (Routine)
23 August 1918	Brantford, CA	daily high min	21.1 C (70.0 F)	1.7 C (3.1 F)	31 years	17 of 100 (Routine)
23 August 1918	Munchen-Nymphenburg, DE	daily high min	18.8 C (65.8 F)	1.7 C (3.1 F)	24 years	17 of 100 (Routine)
23 August 1918	Concord, US	daily high max	33.9 C (93.0 F)	0.6 C (1.1 F)	37 years	17 of 100 (Routine)
23 August 1918	Baku, AZ	daily rain	3.2 mm (0.13 in)	2.2 mm (0.09 in)	26 years	16 of 100 (Routine)
23 August 1918	Stonecliffe, CA	daily high max	31.1 C (88.0 F)	0.5 C (0.9 F)	36 years	16 of 100 (Routine)
23 August 1918	Gravenhurst, CA	daily high min	20.0 C (68.0 F)	1.1 C (2.0 F)	35 years	16 of 100 (Routine)
23 August 1918	Welland, CA	daily high max	31.7 C (89.1 F)	0.6 C (1.1 F)	39 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

1802 to 1918

Records set or tied on this calendar date in each year from 1802 to 1918. 1918 had 91 records.

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

Records on 08-23 in each year
Year	Records
1802	1
1805	1
1813	2
1816	2
1817	1
1818	1
1829	1
1839	3
1840	1
1846	1
1847	1
1848	1
1853	2
1857	1
1858	1
1864	1
1867	1
1869	1
1870	1
1871	1
1874	2
1877	2
1881	1
1882	2
1883	1
1884	2
1886	1
1887	2
1890	3
1891	4
1892	4
1893	4
1894	2
1895	3
1896	6
1897	1
1898	8
1899	8
1900	2
1901	10
1902	9
1903	9
1904	6
1905	8
1906	27
1907	15
1908	18
1909	10
1910	15
1911	23
1912	44
1913	9
1914	23
1915	63
1916	23
1917	26
1918	91
1919	24
1920	102
1921	280
1922	58
1923	284
1924	127
1925	182
1926	99
1927	198
1928	196
1929	240
1930	432
1931	412
1932	211
1933	342
1934	308
1935	220
1936	980
1937	522
1938	654
1939	439
1940	535
1941	375
1942	540
1943	505
1944	578
1945	338
1946	416
1947	1,071
1948	594
1949	456
1950	461
1951	347
1952	456
1953	292
1954	438
1955	375
1956	501
1957	645
1958	402
1959	494
1960	806
1961	644
1962	364
1963	380
1964	724
1965	357
1966	802
1967	541
1968	1,384
1969	728
1970	518
1971	610
1972	614
1973	650
1974	612
1975	627
1976	703
1977	557
1978	577
1979	459
1980	552
1981	663
1982	713
1983	1,264
1984	862
1985	1,187
1986	839
1987	1,119
1988	1,604
1989	902
1990	661
1991	697
1992	1,291
1993	796
1994	738
1995	1,212
1996	1,161
1997	1,599
1998	1,138
1999	802
2000	936
2001	834
2002	931
2003	1,103
2004	862
2005	786
2006	728
2007	1,513
2008	966
2009	1,241
2010	1,244
2011	1,412
2012	688
2013	397
2014	960
2015	673
2016	595
2017	543
2018	479
2019	445
2020	1,093
2021	629
2022	781
2023	1,287
2024	1,150
2025	1,295
2026	592

Download the Data

Data for records on 1918-08-23: 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	73
5 to 10	1
10 to 15	2
15 to 20	0
20 to 25	0
25 to 30	2
30 to 35	1