Weather Records on 7 May 1918

60 weather records were set or tied worldwide on 7 May 1918. Highest significance: Cap Chat, CA.

Key Facts for 7 May 1918

On 7 May 1918, 60 weather records were set or tied at long-record stations worldwide.
40 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 59 daily.
Cap Chat set a daily record precipitation of 38.1 mm (1.5 in) on 7 May 1918.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 421 records.

Record Map

60 stations

60 station records on 7 May 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cap Chat	Canada	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Yarmouth	Canada	Record high maximum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Robe Comparison	Australia	Record high maximum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	15.0 C (59.0 F)	22 of 100 (Routine)
Blue Hill Coop	United States	Record high minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Portland	United States	Record high minimum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Baku	Azerbaijan	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Oranjerivier (Sar)	South Africa	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	13.3 C (55.9 F)	20 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	30.0 C (86.0 F)	20 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high minimum temperature	18.3 C (64.9 F)	20 of 100 (Routine)
Ny City Cntrl Park	United States	Record high minimum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Washington	United States	Record high minimum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Middleburg	South Africa	Record daily precipitation	7.6 mm (0.30 in)	18 of 100 (Routine)
Ottawa	Canada	Record high minimum temperature	13.3 C (55.9 F)	17 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	0.6 C (33.1 F)	17 of 100 (Routine)
Concord	United States	Record high minimum temperature	15.6 C (60.1 F)	17 of 100 (Routine)
Barkerville	Canada	Record daily snowfall	8.6 cm (3.4 in)	16 of 100 (Routine)
World Trade Ctr	United States	Record high minimum temperature	19.4 C (66.9 F)	16 of 100 (Routine)
Aberdeen (Tnk)	South Africa	Record daily precipitation	21.8 mm (0.9 in)	15 of 100 (Routine)
Chaplin	Canada	Record daily precipitation	4.8 mm (0.19 in)	13 of 100 (Routine)
Stratford	Canada	Record high minimum temperature	13.3 C (55.9 F)	13 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	11.4 C (52.5 F)	13 of 100 (Routine)
Storrs	United States	Record high maximum temperature	29.4 C (84.9 F)	13 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	15.6 C (60.1 F)	13 of 100 (Routine)
Tuttlingen	Germany	Record daily precipitation	17.2 mm (0.7 in)	12 of 100 (Routine)
Irkutsk	Russia	Record high minimum temperature	6.5 C (43.7 F)	12 of 100 (Routine)
Venterstad	South Africa	Record daily precipitation	16.5 mm (0.6 in)	12 of 100 (Routine)
Little Rock St Capitol	United States	Record high minimum temperature	22.2 C (72.0 F)	12 of 100 (Routine)
Storrs	United States	Record high minimum temperature	15.0 C (59.0 F)	12 of 100 (Routine)
Blue Hill Coop	United States	Record high maximum temperature	30.6 C (87.1 F)	11 of 100 (Routine)
Alton	Canada	Record high minimum temperature	13.3 C (55.9 F)	10 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record low minimum temperature	-7.6 C (18.3 F)	10 of 100 (Routine)
Renfrew	Canada	Record high minimum temperature	16.1 C (61.0 F)	9 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	21.6 mm (0.9 in)	9 of 100 (Routine)
Bustard Head Lighthouse	Australia	Record daily precipitation	5.6 mm (0.22 in)	8 of 100 (Routine)
Dordrecht - Tnk 14	South Africa	Record daily precipitation	8.4 mm (0.33 in)	8 of 100 (Routine)
Philadelphia City	United States	Record high minimum temperature	18.3 C (64.9 F)	8 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	28.8 C (83.8 F)	7 of 100 (Routine)
Toronto	Canada	Record high minimum temperature	11.1 C (52.0 F)	6 of 100 (Routine)
Ekaterinburg	Russia	Record low minimum temperature	-8.7 C (16.3 F)	6 of 100 (Routine)
Baltimore Customs House	United States	Record high minimum temperature	18.3 C (64.9 F)	6 of 100 (Routine)
Guelph Oac	Canada	Record high minimum temperature	13.3 C (55.9 F)	5 of 100 (Routine)
Bic	Canada	Record daily precipitation	35.6 mm (1.4 in)	5 of 100 (Routine)
Middletown 4 W	United States	Record high maximum temperature	29.4 C (84.9 F)	5 of 100 (Routine)
Grenfell	Canada	Record daily precipitation	4.8 mm (0.19 in)	4 of 100 (Routine)
Innsbruck	Austria	Record high minimum temperature	13.4 C (56.1 F)	3 of 100 (Routine)
Zametchino	Russia	Record low minimum temperature	-2.7 C (27.1 F)	3 of 100 (Routine)
Vryburg (Pol)	South Africa	Record daily precipitation	7.1 mm (0.28 in)	3 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	0.5 C (32.9 F)	3 of 100 (Routine)
Welland	Canada	Record high minimum temperature	13.3 C (55.9 F)	2 of 100 (Routine)
Brantford	Canada	Record high minimum temperature	14.4 C (57.9 F)	2 of 100 (Routine)
London South	Canada	Record high minimum temperature	13.9 C (57.0 F)	2 of 100 (Routine)
Haliburton A	Canada	Record high minimum temperature	11.7 C (53.1 F)	2 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	13.3 C (55.9 F)	2 of 100 (Routine)
Harrisburg - Coop	United States	Record high minimum temperature	17.2 C (63.0 F)	2 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	13.3 C (55.9 F)	2 of 100 (Routine)
Nurnberg	Germany	Record high minimum temperature	12.3 C (54.1 F)	1 of 100 (Routine)
Portland	United States	Record high maximum temperature	26.7 C (80.1 F)	1 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	27.2 C (81.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

60 records

Records set or tied on 7 May 1918 by type: Highest daily maximum 9, Highest daily minimum 31, Lowest daily minimum 5, Heaviest daily rainfall 14, Heaviest daily snowfall 1.

Records on 7 May 1918 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	0
Highest daily minimum	31
Lowest daily minimum	5
Heaviest daily rainfall	14
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 7 May 1918 by timescale: all-time 0, monthly 1, daily 59.

How Much Records Were Beaten By

46 broken records

Margins by which the 46 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

7 May 1918

Top 20 records on 7 May 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1918	Cap Chat, CA	daily rain	38.1 mm (1.5 in)	27.2 mm (1.1 in)	25 years	37 of 100 (Notable)
7 May 1918	Yarmouth, CA	daily high max	21.7 C (71.1 F)	4.5 C (8.1 F)	31 years	26 of 100 (Routine)
7 May 1918	Robe Comparison, AU	daily high max	23.3 C (73.9 F)	2.3 C (4.1 F)	27 years	22 of 100 (Routine)
7 May 1918	Hamilton, CA	daily high min	15.0 C (59.0 F)	2.8 C (5.0 F)	39 years	22 of 100 (Routine)
7 May 1918	Blue Hill Coop, US	daily high min	19.4 C (66.9 F)	6.1 C (11.0 F)	12 years	22 of 100 (Routine)
7 May 1918	Portland, US	daily high min	15.0 C (59.0 F)	3.9 C (7.0 F)	18 years	21 of 100 (Routine)
7 May 1918	Baku, AZ	daily rain	11.4 mm (0.4 in)	3.8 mm (0.15 in)	24 years	20 of 100 (Routine)
7 May 1918	Oranjerivier (Sar), ZA	daily rain	17.8 mm (0.7 in)	14.0 mm (0.6 in)	27 years	20 of 100 (Routine)
7 May 1918	Cape Otway Lighthouse, AU	daily high min	13.3 C (55.9 F)	0.5 C (0.9 F)	43 years	20 of 100 (Routine)
7 May 1918	Newark Liberty Intl AP, US	daily high max	30.0 C (86.0 F)	0.6 C (1.1 F)	41 years	20 of 100 (Routine)
7 May 1918	Newark Liberty Intl AP, US	daily high min	18.3 C (64.9 F)	2.7 C (4.9 F)	23 years	20 of 100 (Routine)
7 May 1918	Ny City Cntrl Park, US	daily high min	21.1 C (70.0 F)	3.3 C (5.9 F)	23 years	20 of 100 (Routine)
7 May 1918	Washington, US	daily high min	18.3 C (64.9 F)	0.5 C (0.9 F)	41 years	19 of 100 (Routine)
7 May 1918	Middleburg, ZA	daily rain	7.6 mm (0.30 in)	3.0 mm (0.12 in)	37 years	18 of 100 (Routine)
7 May 1918	Ottawa, CA	daily high min	13.3 C (55.9 F)	2.2 C (4.0 F)	30 years	17 of 100 (Routine)
7 May 1918	Astrakan, RU	daily low min	0.6 C (33.1 F)	3.3 C (5.9 F)	19 years	17 of 100 (Routine)
7 May 1918	Concord, US	daily high min	15.6 C (60.1 F)	2.8 C (5.0 F)	22 years	17 of 100 (Routine)
7 May 1918	Barkerville, CA	daily snowfall	8.6 cm (3.4 in)	3.5 cm (1.4 in)	19 years	16 of 100 (Routine)
7 May 1918	World Trade Ctr, US	daily high min	19.4 C (66.9 F)	3.3 C (5.9 F)	12 years	16 of 100 (Routine)
7 May 1918	Aberdeen (Tnk), ZA	daily rain	21.8 mm (0.9 in)	10.9 mm (0.4 in)	8 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

1795 to 1918

Records set or tied on this calendar date in each year from 1795 to 1918. 1918 had 60 records.

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

Records on 05-07 in each year
Year	Records
1795	2
1805	1
1816	1
1825	2
1837	1
1838	1
1844	1
1845	2
1846	1
1848	2
1850	2
1852	1
1853	1
1856	3
1857	1
1861	3
1862	1
1863	1
1864	1
1867	3
1869	1
1870	1
1872	1
1874	2
1876	3
1878	1
1879	2
1880	1
1884	2
1885	1
1886	4
1887	1
1888	1
1889	2
1890	4
1891	4
1892	2
1894	4
1895	2
1897	5
1898	7
1899	3
1900	10
1901	1
1902	6
1903	13
1904	19
1905	21
1906	15
1907	14
1908	29
1909	15
1910	16
1911	14
1912	14
1913	30
1914	37
1915	40
1916	34
1917	188
1918	60
1919	263
1920	59
1921	41
1922	40
1923	119
1924	141
1925	207
1926	227
1927	191
1928	204
1929	224
1930	637
1931	473
1932	288
1933	291
1934	698
1935	298
1936	466
1937	121
1938	467
1939	194
1940	317
1941	317
1942	270
1943	416
1944	476
1945	751
1946	339
1947	727
1948	338
1949	439
1950	526
1951	226
1952	485
1953	541
1954	481
1955	393
1956	665
1957	546
1958	585
1959	335
1960	899
1961	442
1962	381
1963	825
1964	687
1965	671
1966	762
1967	973
1968	756
1969	678
1970	822
1971	364
1972	515
1973	447
1974	743
1975	784
1976	782
1977	662
1978	925
1979	888
1980	593
1981	710
1982	802
1983	724
1984	1,300
1985	557
1986	1,163
1987	1,115
1988	752
1989	1,880
1990	1,024
1991	599
1992	1,830
1993	831
1994	621
1995	997
1996	880
1997	1,359
1998	1,166
1999	1,008
2000	1,693
2001	743
2002	1,344
2003	1,138
2004	1,397
2005	645
2006	833
2007	1,047
2008	526
2009	735
2010	1,123
2011	558
2012	709
2013	633
2014	646
2015	569
2016	677
2017	543
2018	542
2019	522
2020	577
2021	484
2022	784
2023	667
2024	858
2025	635
2026	715

Download the Data

Data for records on 1918-05-07: 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	41
5 to 10	1
10 to 15	2
15 to 20	0
20 to 25	0
25 to 30	1
30 to 35	1