Weather Records on 28 August 1918

43 weather records were set or tied worldwide on 28 August 1918. Highest significance: Cape Borda Comparison, AU.

Key Facts for 28 August 1918

On 28 August 1918, 43 weather records were set or tied at long-record stations worldwide.
1 were record highs and 7 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 43 daily.
Cape Borda Comparison set a daily record precipitation of 55.4 mm (2.2 in) on 28 August 1918.
Across 161 earlier years (1800 to 2026) the same calendar date averaged 459 records.

Record Map

43 stations

43 station records on 28 August 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 August 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape Borda Comparison	Australia	Record daily precipitation	55.4 mm (2.2 in)	47 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Katberg (Bos)	South Africa	Record daily precipitation	33.3 mm (1.3 in)	26 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	55.9 mm (2.2 in)	22 of 100 (Routine)
Nidingen A	Sweden	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Kieskamahoek (Pol)	South Africa	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Cullendale	South Africa	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Woodstock	Canada	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Jansenville	South Africa	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Huron Rgnl AP	United States	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Gravenhurst	Canada	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
St John's	Canada	Record low maximum temperature	10.0 C (50.0 F)	19 of 100 (Routine)
Pirie (Bos)	South Africa	Record daily precipitation	15.5 mm (0.6 in)	19 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	43.4 mm (1.7 in)	18 of 100 (Routine)
Grahamstown	South Africa	Record daily precipitation	7.1 mm (0.28 in)	17 of 100 (Routine)
Vinga	Sweden	Record daily precipitation	19.8 mm (0.8 in)	17 of 100 (Routine)
Coulta	Australia	Record daily precipitation	16.5 mm (0.6 in)	16 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	27.4 mm (1.1 in)	16 of 100 (Routine)
Niznij Novgorod	Russia	Record daily precipitation	12.5 mm (0.5 in)	16 of 100 (Routine)
Port Stanley	Canada	Record daily precipitation	31.0 mm (1.2 in)	14 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	-1.1 C (30.0 F)	14 of 100 (Routine)
Vryburg (Pol)	South Africa	Record daily precipitation	1.8 mm (0.07 in)	14 of 100 (Routine)
Haparanda	Sweden	Record low maximum temperature	8.5 C (47.3 F)	14 of 100 (Routine)
Montagu (Pol)	South Africa	Record daily precipitation	5.1 mm (0.20 in)	13 of 100 (Routine)
Hogsback (Bos)	South Africa	Record daily precipitation	28.4 mm (1.1 in)	13 of 100 (Routine)
Port Alfred	South Africa	Record daily precipitation	6.9 mm (0.27 in)	12 of 100 (Routine)
Maseskar	Sweden	Record daily precipitation	12.7 mm (0.5 in)	12 of 100 (Routine)
East London -Signal STN	South Africa	Record daily precipitation	9.9 mm (0.39 in)	11 of 100 (Routine)
Karesuando	Sweden	Record low maximum temperature	5.5 C (41.9 F)	11 of 100 (Routine)
Weldon	United States	Record daily precipitation	34.0 mm (1.3 in)	11 of 100 (Routine)
Elliston	Australia	Record daily precipitation	17.0 mm (0.7 in)	10 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	10.9 mm (0.4 in)	10 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	12.7 mm (0.5 in)	10 of 100 (Routine)
Fir Glen	South Africa	Record daily precipitation	5.6 mm (0.22 in)	9 of 100 (Routine)
Peddie (Mag)	South Africa	Record daily precipitation	7.4 mm (0.29 in)	8 of 100 (Routine)
Tumby Bay (Warratta Vale)	Australia	Record daily precipitation	12.2 mm (0.5 in)	6 of 100 (Routine)
Gronbaek-Allingskovgard	Denmark	Record daily precipitation	13.4 mm (0.5 in)	6 of 100 (Routine)
Pitea	Sweden	Record low maximum temperature	9.5 C (49.1 F)	6 of 100 (Routine)
Bryson City 2	United States	Record daily precipitation	16.5 mm (0.6 in)	5 of 100 (Routine)
Arnsberg	Germany	Record daily precipitation	13.5 mm (0.5 in)	3 of 100 (Routine)
Medicine Hat A	Canada	Record low minimum temperature	1.7 C (35.1 F)	2 of 100 (Routine)
Jonkoping	Sweden	Record high maximum temperature	20.0 C (68.0 F)	2 of 100 (Routine)
Berlin-Dahlem	Germany	Record low maximum temperature	16.5 C (61.7 F)	1 of 100 (Routine)

Counts by Type and Timescale

43 records

Records set or tied on 28 August 1918 by type: Highest daily maximum 1, Lowest daily maximum 5, Lowest daily minimum 2, Heaviest daily rainfall 35.

Records on 28 August 1918 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	5
Highest daily minimum	0
Lowest daily minimum	2
Heaviest daily rainfall	35
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 August 1918 by timescale: all-time 0, monthly 0, daily 43.

How Much Records Were Beaten By

40 broken records

Margins by which the 40 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 31.3. Ties are not counted.

Top 20 by Significance

28 August 1918

Top 20 records on 28 August 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 August 1918	Cape Borda Comparison, AU	daily rain	55.4 mm (2.2 in)	31.3 mm (1.2 in)	8 years	47 of 100 (Notable)
28 August 1918	Altastenberg, DE	daily rain	26.7 mm (1.1 in)	14.2 mm (0.6 in)	21 years	33 of 100 (Routine)
28 August 1918	Katberg (Bos), ZA	daily rain	33.3 mm (1.3 in)	14.5 mm (0.6 in)	25 years	26 of 100 (Routine)
28 August 1918	Morris W Cntrl Rsch & Outreach, US	daily rain	55.9 mm (2.2 in)	22.9 mm (0.9 in)	3 years	22 of 100 (Routine)
28 August 1918	Nidingen A, SE	daily rain	22.9 mm (0.9 in)	17.0 mm (0.7 in)	12 years	20 of 100 (Routine)
28 August 1918	Kieskamahoek (Pol), ZA	daily rain	19.1 mm (0.8 in)	17.8 mm (0.7 in)	24 years	20 of 100 (Routine)
28 August 1918	Cullendale, ZA	daily rain	14.7 mm (0.6 in)	11.7 mm (0.5 in)	24 years	20 of 100 (Routine)
28 August 1918	Woodstock, CA	daily rain	22.4 mm (0.9 in)	9.4 mm (0.37 in)	46 years	20 of 100 (Routine)
28 August 1918	Jansenville, ZA	daily rain	8.4 mm (0.33 in)	6.9 mm (0.27 in)	24 years	20 of 100 (Routine)
28 August 1918	Huron Rgnl AP, US	daily rain	12.4 mm (0.5 in)	11.4 mm (0.4 in)	31 years	20 of 100 (Routine)
28 August 1918	Gravenhurst, CA	daily rain	16.0 mm (0.6 in)	6.9 mm (0.27 in)	38 years	20 of 100 (Routine)
28 August 1918	St John's, CA	daily low max	10.0 C (50.0 F)	2.2 C (4.0 F)	35 years	19 of 100 (Routine)
28 August 1918	Pirie (Bos), ZA	daily rain	15.5 mm (0.6 in)	8.1 mm (0.32 in)	24 years	19 of 100 (Routine)
28 August 1918	Port Dover, CA	daily rain	43.4 mm (1.7 in)	3.3 mm (0.13 in)	37 years	18 of 100 (Routine)
28 August 1918	Grahamstown, ZA	daily rain	7.1 mm (0.28 in)	2.0 mm (0.08 in)	39 years	17 of 100 (Routine)
28 August 1918	Vinga, SE	daily rain	19.8 mm (0.8 in)	7.8 mm (0.31 in)	12 years	17 of 100 (Routine)
28 August 1918	Coulta, AU	daily rain	16.5 mm (0.6 in)	3.3 mm (0.13 in)	20 years	16 of 100 (Routine)
28 August 1918	Georgetown, CA	daily rain	27.4 mm (1.1 in)	6.3 mm (0.25 in)	24 years	16 of 100 (Routine)
28 August 1918	Niznij Novgorod, RU	daily rain	12.5 mm (0.5 in)	5.4 mm (0.21 in)	17 years	16 of 100 (Routine)
28 August 1918	Port Stanley, CA	daily rain	31.0 mm (1.2 in)	0.3 mm (0.01 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

1800 to 1918

Records set or tied on this calendar date in each year from 1800 to 1918. 1918 had 43 records.

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

Records on 08-28 in each year
Year	Records
1800	1
1807	4
1811	1
1814	2
1817	1
1835	1
1849	1
1850	1
1851	1
1854	1
1856	1
1858	1
1863	1
1864	4
1865	3
1870	2
1873	1
1874	1
1875	1
1876	1
1877	2
1880	3
1881	4
1884	1
1885	2
1886	1
1887	1
1889	1
1890	4
1891	1
1892	2
1893	3
1894	2
1895	4
1896	9
1897	3
1901	12
1902	2
1903	16
1904	13
1905	23
1906	12
1907	2
1908	10
1909	20
1910	5
1911	34
1912	44
1913	17
1914	40
1915	43
1916	141
1917	49
1918	43
1919	39
1920	80
1921	47
1922	60
1923	79
1924	207
1925	165
1926	241
1927	239
1928	252
1929	162
1930	152
1931	306
1932	383
1933	376
1934	346
1935	545
1936	531
1937	545
1938	325
1939	296
1940	368
1941	485
1942	461
1943	366
1944	592
1945	368
1946	495
1947	288
1948	1,133
1949	442
1950	492
1951	694
1952	447
1953	762
1954	499
1955	413
1956	327
1957	545
1958	288
1959	552
1960	470
1961	371
1962	469
1963	464
1964	556
1965	635
1966	338
1967	701
1968	864
1969	1,089
1970	617
1971	695
1972	651
1973	1,211
1974	816
1975	507
1976	505
1977	757
1978	774
1979	838
1980	424
1981	1,120
1982	1,009
1983	748
1984	886
1985	528
1986	1,995
1987	1,260
1988	953
1989	911
1990	983
1991	968
1992	1,814
1993	1,061
1994	688
1995	954
1996	1,109
1997	1,082
1998	1,415
1999	905
2000	1,028
2001	1,042
2002	903
2003	792
2004	966
2005	731
2006	1,244
2007	788
2008	889
2009	928
2010	914
2011	1,748
2012	682
2013	693
2014	590
2015	660
2016	812
2017	1,060
2018	1,110
2019	943
2020	1,008
2021	459
2022	388
2023	899
2024	862
2025	871
2026	873

Download the Data

Data for records on 1918-08-28: 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	25
5 to 10	7
10 to 15	4
15 to 20	2
20 to 25	1
25 to 30	0
30 to 35	1