Weather Records on 28 May 1918

43 weather records were set or tied worldwide on 28 May 1918. Highest significance: Bredasdorp, ZA.

Key Facts for 28 May 1918

On 28 May 1918, 43 weather records were set or tied at long-record stations worldwide.
11 were record highs and 7 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 42 daily.
Bredasdorp set a daily record precipitation of 50.8 mm (2.0 in) on 28 May 1918.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 444 records.

Record Map

43 stations

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

Weather records on 28 May 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bredasdorp	South Africa	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Tulbagh (Pol)	South Africa	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Robertson	South Africa	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Caledon (Pol)	South Africa	Record daily precipitation	48.3 mm (1.9 in)	34 of 100 (Routine)
Worcester	South Africa	Record daily precipitation	32.8 mm (1.3 in)	31 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	53.8 mm (2.1 in)	30 of 100 (Routine)
Niznij Novgorod	Russia	Record daily precipitation	25.0 mm (1.0 in)	29 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	36.1 mm (1.4 in)	22 of 100 (Routine)
Springbok	South Africa	Record daily precipitation	26.7 mm (1.1 in)	21 of 100 (Routine)
Asheville	United States	Record daily precipitation	37.8 mm (1.5 in)	21 of 100 (Routine)
Clanwilliam (Pol)	South Africa	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Moose Factory	Canada	Record low minimum temperature	-4.4 C (24.1 F)	18 of 100 (Routine)
Wilcannia (Mena Murtee)	Australia	Record daily precipitation	2.0 mm (0.08 in)	17 of 100 (Routine)
Fraserburg	South Africa	Record daily precipitation	10.2 mm (0.4 in)	16 of 100 (Routine)
Vineland	United States	Record daily precipitation	37.6 mm (1.5 in)	16 of 100 (Routine)
Montagu (Pol)	South Africa	Record daily precipitation	38.6 mm (1.5 in)	15 of 100 (Routine)
Ledknapper Tank	Australia	Record daily precipitation	1.5 mm (0.06 in)	13 of 100 (Routine)
Ny City Cntrl Park	United States	Record high maximum temperature	32.8 C (91.0 F)	13 of 100 (Routine)
Pesaro	Italy	Record daily precipitation	20.0 mm (0.8 in)	12 of 100 (Routine)
St. Petersburg	Russia	Record low minimum temperature	-0.1 C (31.8 F)	12 of 100 (Routine)
Bird Rocks	Canada	Record daily precipitation	22.9 mm (0.9 in)	11 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	11 of 100 (Routine)
Gunnedah Pool	Australia	Record high maximum temperature	25.6 C (78.1 F)	10 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	30.2 mm (1.2 in)	10 of 100 (Routine)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	37.1 mm (1.5 in)	9 of 100 (Routine)
Setauket Strong	United States	Record high maximum temperature	30.0 C (86.0 F)	9 of 100 (Routine)
Cherdyn'	Russia	Record daily precipitation	8.5 mm (0.33 in)	8 of 100 (Routine)
Piketberg (Pol)	South Africa	Record daily precipitation	41.1 mm (1.6 in)	8 of 100 (Routine)
Ny City Cntrl Park	United States	Record high minimum temperature	21.1 C (70.0 F)	8 of 100 (Routine)
M.R.A.	Australia	Record daily precipitation	3.8 mm (0.15 in)	7 of 100 (Routine)
Peterborough	Canada	Record high minimum temperature	16.1 C (61.0 F)	7 of 100 (Routine)
St. Petersburg	Russia	Record low maximum temperature	5.7 C (42.3 F)	7 of 100 (Routine)
Tartu	Estonia	Record low minimum temperature	-1.4 C (29.5 F)	6 of 100 (Routine)
Harrisburg - Coop	United States	Record high maximum temperature	31.7 C (89.1 F)	6 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	-7.2 C (19.0 F)	5 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	18.3 C (64.9 F)	4 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	31.7 C (89.1 F)	4 of 100 (Routine)
Nurnberg	Germany	Record low minimum temperature	3.0 C (37.4 F)	3 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	30.0 C (86.0 F)	3 of 100 (Routine)
Medicine Hat A	Canada	Record low minimum temperature	0.6 C (33.1 F)	2 of 100 (Routine)
Beaufort West (Met)	South Africa	Record daily precipitation	2.0 mm (0.08 in)	1 of 100 (Routine)
Blue Hill Coop	United States	Record high maximum temperature	28.3 C (82.9 F)	1 of 100 (Routine)
Washington	United States	Record high maximum temperature	33.9 C (93.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

43 records

Records set or tied on 28 May 1918 by type: Highest daily maximum 8, Lowest daily maximum 1, Highest daily minimum 3, Lowest daily minimum 6, Heaviest daily rainfall 25.

Records on 28 May 1918 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	1
Highest daily minimum	3
Lowest daily minimum	6
Heaviest daily rainfall	25
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 May 1918 by timescale: all-time 0, monthly 1, daily 42.

How Much Records Were Beaten By

35 broken records

Margins by which the 35 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 32.3. Ties are not counted.

Top 20 by Significance

28 May 1918

Top 20 records on 28 May 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 May 1918	Bredasdorp, ZA	daily rain	50.8 mm (2.0 in)	30.0 mm (1.2 in)	8 years	42 of 100 (Notable)
28 May 1918	Tulbagh (Pol), ZA	daily rain	50.8 mm (2.0 in)	32.3 mm (1.3 in)	16 years	41 of 100 (Notable)
28 May 1918	Robertson, ZA	daily rain	40.6 mm (1.6 in)	22.3 mm (0.9 in)	8 years	40 of 100 (Notable)
28 May 1918	Caledon (Pol), ZA	daily rain	48.3 mm (1.9 in)	26.5 mm (1.0 in)	16 years	34 of 100 (Routine)
28 May 1918	Worcester, ZA	daily rain	32.8 mm (1.3 in)	18.6 mm (0.7 in)	8 years	31 of 100 (Routine)
28 May 1918	Moorestown 4 E, US	daily rain	53.8 mm (2.1 in)	21.8 mm (0.9 in)	23 years	30 of 100 (Routine)
28 May 1918	Niznij Novgorod, RU	daily rain	25.0 mm (1.0 in)	13.0 mm (0.5 in)	12 years	29 of 100 (Routine)
28 May 1918	Malmesbury, ZA	daily rain	36.1 mm (1.4 in)	7.7 mm (0.30 in)	29 years	22 of 100 (Routine)
28 May 1918	Springbok, ZA	daily rain	26.7 mm (1.1 in)	7.9 mm (0.31 in)	29 years	21 of 100 (Routine)
28 May 1918	Asheville, US	daily rain	37.8 mm (1.5 in)	19.3 mm (0.8 in)	3 years	21 of 100 (Routine)
28 May 1918	Clanwilliam (Pol), ZA	daily rain	19.6 mm (0.8 in)	16.0 mm (0.6 in)	3 years	20 of 100 (Routine)
28 May 1918	Moose Factory, CA	daily low min	-4.4 C (24.1 F)	1.6 C (2.9 F)	38 years	18 of 100 (Routine)
28 May 1918	Wilcannia (Mena Murtee), AU	daily rain	2.0 mm (0.08 in)	2.0 mm (0.08 in)	37 years	17 of 100 (Routine)
28 May 1918	Fraserburg, ZA	daily rain	10.2 mm (0.4 in)	6.4 mm (0.25 in)	4 years	16 of 100 (Routine)
28 May 1918	Vineland, US	daily rain	37.6 mm (1.5 in)	11.9 mm (0.5 in)	12 years	16 of 100 (Routine)
28 May 1918	Montagu (Pol), ZA	daily rain	38.6 mm (1.5 in)	18.3 mm (0.7 in)	8 years	15 of 100 (Routine)
28 May 1918	Ledknapper Tank, AU	daily rain	1.5 mm (0.06 in)	1.5 mm (0.06 in)	30 years	13 of 100 (Routine)
28 May 1918	Ny City Cntrl Park, US	daily high max	32.8 C (91.0 F)	1.7 C (3.1 F)	18 years	13 of 100 (Routine)
28 May 1918	Pesaro, IT	daily rain	20.0 mm (0.8 in)	1.9 mm (0.07 in)	22 years	12 of 100 (Routine)
28 May 1918	St. Petersburg, RU	daily low min	-0.1 C (31.8 F)	0.7 C (1.3 F)	29 years	12 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

1794 to 1918

Records set or tied on this calendar date in each year from 1794 to 1918. 1918 had 43 records.

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

Records on 05-28 in each year
Year	Records
1794	1
1797	1
1811	1
1824	1
1832	1
1836	5
1840	1
1841	1
1847	2
1848	1
1851	2
1857	1
1858	1
1863	1
1865	1
1868	4
1869	1
1876	1
1879	2
1880	2
1884	3
1885	2
1887	1
1888	3
1889	3
1890	3
1891	2
1892	9
1893	2
1894	9
1895	1
1896	5
1897	6
1898	1
1899	6
1900	4
1901	6
1902	12
1903	9
1904	6
1905	14
1906	31
1907	36
1908	26
1909	7
1910	18
1911	42
1912	19
1913	28
1914	58
1915	27
1916	24
1917	36
1918	43
1919	43
1920	33
1921	87
1922	80
1923	72
1924	109
1925	122
1926	143
1927	301
1928	150
1929	355
1930	131
1931	574
1932	171
1933	212
1934	537
1935	186
1936	337
1937	212
1938	285
1939	433
1940	217
1941	711
1942	279
1943	238
1944	330
1945	331
1946	413
1947	1,049
1948	333
1949	321
1950	276
1951	503
1952	314
1953	392
1954	382
1955	413
1956	456
1957	272
1958	792
1959	557
1960	431
1961	1,026
1962	859
1963	368
1964	394
1965	536
1966	284
1967	350
1968	610
1969	863
1970	310
1971	767
1972	575
1973	834
1974	585
1975	397
1976	914
1977	826
1978	802
1979	521
1980	808
1981	711
1982	1,204
1983	1,666
1984	1,357
1985	914
1986	591
1987	1,139
1988	806
1989	817
1990	1,024
1991	1,647
1992	1,610
1993	870
1994	981
1995	1,078
1996	1,438
1997	1,108
1998	1,043
1999	952
2000	1,229
2001	1,024
2002	612
2003	1,049
2004	875
2005	1,032
2006	1,566
2007	1,084
2008	902
2009	733
2010	937
2011	1,188
2012	1,237
2013	541
2014	781
2015	487
2016	625
2017	710
2018	1,348
2019	973
2020	875
2021	537
2022	476
2023	445
2024	907
2025	663
2026	1,053

Download the Data

Data for records on 1918-05-28: 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	20
5 to 10	4
10 to 15	2
15 to 20	4
20 to 25	2
25 to 30	1
30 to 35	2