Weather Records on 18 May 1916

74 weather records were set or tied worldwide on 18 May 1916. Highest significance: Halifax, CA.

Key Facts for 18 May 1916

On 18 May 1916, 74 weather records were set or tied at long-record stations worldwide.
9 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 74 daily.
Halifax set a daily record precipitation of 53.3 mm (2.1 in) on 18 May 1916.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 445 records.

Record Map

74 stations

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

Weather records on 18 May 1916: highest significance records shown on the map
Station	Country	Type	Value	Significance
Halifax	Canada	Record daily precipitation	53.3 mm (2.1 in)	44 of 100 (Notable)
Bic	Canada	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
Walgett (Goangra)	Australia	Record daily precipitation	33.8 mm (1.3 in)	29 of 100 (Routine)
Calga	Australia	Record daily precipitation	31.2 mm (1.2 in)	23 of 100 (Routine)
Sheffield	United Kingdom	Record high maximum temperature	24.4 C (75.9 F)	20 of 100 (Routine)
Cape Willoughby	Australia	Record daily precipitation	10.9 mm (0.4 in)	19 of 100 (Routine)
Stratford	Canada	Record low maximum temperature	8.9 C (48.0 F)	19 of 100 (Routine)
Hamilton	Canada	Record low maximum temperature	10.0 C (50.0 F)	19 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high maximum temperature	20.6 C (69.1 F)	18 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	18.5 C (65.3 F)	18 of 100 (Routine)
Houston Wb City	United States	Record low maximum temperature	22.2 C (72.0 F)	18 of 100 (Routine)
Guelph Oac	Canada	Record low maximum temperature	7.2 C (45.0 F)	17 of 100 (Routine)
Chatham	Canada	Record daily precipitation	30.5 mm (1.2 in)	17 of 100 (Routine)
Halifax	Canada	Record low maximum temperature	5.0 C (41.0 F)	17 of 100 (Routine)
Goorianawah	Australia	Record daily precipitation	31.8 mm (1.3 in)	16 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	7.2 C (45.0 F)	16 of 100 (Routine)
Charlottetown	Canada	Record low maximum temperature	5.6 C (42.1 F)	16 of 100 (Routine)
Montgomery Wb City	United States	Record low maximum temperature	20.0 C (68.0 F)	16 of 100 (Routine)
Walgett (Euroka)	Australia	Record daily precipitation	27.9 mm (1.1 in)	15 of 100 (Routine)
Baradine Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	14 of 100 (Routine)
Cassilis Post Office	Australia	Record daily precipitation	15.2 mm (0.6 in)	14 of 100 (Routine)
Nicosia	Cyprus	Record high maximum temperature	41.7 C (107.1 F)	14 of 100 (Routine)
Coonimbia	Australia	Record daily precipitation	15.7 mm (0.6 in)	13 of 100 (Routine)
Beatrice	Canada	Record low maximum temperature	6.7 C (44.1 F)	13 of 100 (Routine)
Chicoutimi	Canada	Record low minimum temperature	-5.6 C (21.9 F)	13 of 100 (Routine)
Fredericton Unb	Canada	Record daily precipitation	36.8 mm (1.4 in)	13 of 100 (Routine)
Coonamble (Nardoo)	Australia	Record daily precipitation	20.6 mm (0.8 in)	12 of 100 (Routine)
Rotherwood	Australia	Record daily precipitation	10.9 mm (0.4 in)	12 of 100 (Routine)
Kingston Queens U	Canada	Record low maximum temperature	7.8 C (46.0 F)	12 of 100 (Routine)
Lindsay	Canada	Record low maximum temperature	7.8 C (46.0 F)	12 of 100 (Routine)
Durham	United Kingdom	Record high maximum temperature	23.9 C (75.0 F)	12 of 100 (Routine)
Combogolong	Australia	Record daily precipitation	11.2 mm (0.4 in)	11 of 100 (Routine)
Coonamble (Warrana)	Australia	Record daily precipitation	17.8 mm (0.7 in)	11 of 100 (Routine)
Nelgowrie	Australia	Record daily precipitation	10.2 mm (0.4 in)	11 of 100 (Routine)
Ottawa	Canada	Record low maximum temperature	9.4 C (48.9 F)	11 of 100 (Routine)
Lakefield	Canada	Record low minimum temperature	0.6 C (33.1 F)	11 of 100 (Routine)
Burlington	United States	Record low maximum temperature	10.6 C (51.1 F)	11 of 100 (Routine)
Beachport	Australia	Record daily precipitation	19.1 mm (0.8 in)	10 of 100 (Routine)
Millicent	Australia	Record daily precipitation	14.5 mm (0.6 in)	10 of 100 (Routine)
Walgett (Dungalear)	Australia	Record daily precipitation	17.0 mm (0.7 in)	10 of 100 (Routine)
Llangollen	Australia	Record daily precipitation	9.4 mm (0.37 in)	10 of 100 (Routine)
Brewon	Australia	Record daily precipitation	10.7 mm (0.4 in)	9 of 100 (Routine)
Cassilis (Dalkeith)	Australia	Record daily precipitation	12.7 mm (0.5 in)	9 of 100 (Routine)
Mudgee (George Street)	Australia	Record daily precipitation	18.3 mm (0.7 in)	9 of 100 (Routine)
Port Stanley	Canada	Record low maximum temperature	7.8 C (46.0 F)	9 of 100 (Routine)
Montreal McGill	Canada	Record low maximum temperature	8.3 C (46.9 F)	9 of 100 (Routine)
Dalhousie	Canada	Record low maximum temperature	7.2 C (45.0 F)	9 of 100 (Routine)
Nicosia	Cyprus	Record high minimum temperature	20.0 C (68.0 F)	9 of 100 (Routine)
Darwin Post Office	Australia	Record high minimum temperature	25.7 C (78.3 F)	8 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	6.7 C (44.1 F)	8 of 100 (Routine)
Coonamble Comparison	Australia	Record daily precipitation	17.8 mm (0.7 in)	7 of 100 (Routine)
Coonamble (Wingadee)	Australia	Record daily precipitation	15.2 mm (0.6 in)	7 of 100 (Routine)
London South	Canada	Record low maximum temperature	8.3 C (46.9 F)	7 of 100 (Routine)
Sydney	Canada	Record low maximum temperature	6.7 C (44.1 F)	7 of 100 (Routine)
Hewitt	United States	Record daily precipitation	48.3 mm (1.9 in)	7 of 100 (Routine)
Bourke Post Office	Australia	Record daily precipitation	9.7 mm (0.38 in)	6 of 100 (Routine)
Urawilkie	Australia	Record daily precipitation	26.4 mm (1.0 in)	6 of 100 (Routine)
Coonabarabran (Namoi Street)	Australia	Record daily precipitation	19.3 mm (0.8 in)	6 of 100 (Routine)
Coolah (Binnia St)	Australia	Record daily precipitation	17.0 mm (0.7 in)	6 of 100 (Routine)
Barrie	Canada	Record low maximum temperature	8.3 C (46.9 F)	6 of 100 (Routine)

Counts by Type and Timescale

74 records

Records set or tied on 18 May 1916 by type: Highest daily maximum 4, Lowest daily maximum 26, Highest daily minimum 5, Lowest daily minimum 3, Heaviest daily rainfall 36.

Records on 18 May 1916 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	26
Highest daily minimum	5
Lowest daily minimum	3
Heaviest daily rainfall	36
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 May 1916 by timescale: all-time 0, monthly 0, daily 74.

How Much Records Were Beaten By

69 broken records

Margins by which the 69 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 36.0. Ties are not counted.

Top 20 by Significance

18 May 1916

Top 20 records on 18 May 1916 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1916	Halifax, CA	daily rain	53.3 mm (2.1 in)	36.0 mm (1.4 in)	28 years	44 of 100 (Notable)
18 May 1916	Bic, CA	daily rain	25.4 mm (1.0 in)	15.2 mm (0.6 in)	26 years	31 of 100 (Routine)
18 May 1916	Walgett (Goangra), AU	daily rain	33.8 mm (1.3 in)	20.8 mm (0.8 in)	29 years	29 of 100 (Routine)
18 May 1916	Calga, AU	daily rain	31.2 mm (1.2 in)	16.0 mm (0.6 in)	29 years	23 of 100 (Routine)
18 May 1916	Sheffield, GB	daily high max	24.4 C (75.9 F)	3.8 C (6.8 F)	27 years	20 of 100 (Routine)
18 May 1916	Cape Willoughby, AU	daily rain	10.9 mm (0.4 in)	5.3 mm (0.21 in)	29 years	19 of 100 (Routine)
18 May 1916	Stratford, CA	daily low max	8.9 C (48.0 F)	0.5 C (0.9 F)	46 years	19 of 100 (Routine)
18 May 1916	Hamilton, CA	daily low max	10.0 C (50.0 F)	1.1 C (2.0 F)	43 years	19 of 100 (Routine)
18 May 1916	Dublin Phoenix Park, IE	daily high max	20.6 C (69.1 F)	0.4 C (0.7 F)	41 years	18 of 100 (Routine)
18 May 1916	Tbilisi, GE	daily high min	18.5 C (65.3 F)	1.4 C (2.5 F)	33 years	18 of 100 (Routine)
18 May 1916	Houston Wb City, US	daily low max	22.2 C (72.0 F)	2.2 C (4.0 F)	29 years	18 of 100 (Routine)
18 May 1916	Guelph Oac, CA	daily low max	7.2 C (45.0 F)	2.8 C (5.0 F)	34 years	17 of 100 (Routine)
18 May 1916	Chatham, CA	daily rain	30.5 mm (1.2 in)	5.6 mm (0.22 in)	22 years	17 of 100 (Routine)
18 May 1916	Halifax, CA	daily low max	5.0 C (41.0 F)	1.7 C (3.1 F)	34 years	17 of 100 (Routine)
18 May 1916	Goorianawah, AU	daily rain	31.8 mm (1.3 in)	17.6 mm (0.7 in)	2 years	16 of 100 (Routine)
18 May 1916	Port Dover, CA	daily low max	7.2 C (45.0 F)	3.9 C (7.0 F)	16 years	16 of 100 (Routine)
18 May 1916	Charlottetown, CA	daily low max	5.6 C (42.1 F)	1.1 C (2.0 F)	35 years	16 of 100 (Routine)
18 May 1916	Montgomery Wb City, US	daily low max	20.0 C (68.0 F)	1.7 C (3.1 F)	29 years	16 of 100 (Routine)
18 May 1916	Walgett (Euroka), AU	daily rain	27.9 mm (1.1 in)	12.7 mm (0.5 in)	6 years	15 of 100 (Routine)
18 May 1916	Baradine Post Office, AU	daily rain	22.9 mm (0.9 in)	5.1 mm (0.20 in)	29 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

1796 to 1916

Records set or tied on this calendar date in each year from 1796 to 1916. 1916 had 74 records.

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

Records on 05-18 in each year
Year	Records
1796	1
1798	1
1802	2
1832	1
1833	1
1845	1
1847	1
1848	1
1855	1
1859	1
1861	2
1863	3
1864	1
1866	2
1868	2
1869	1
1870	1
1871	2
1872	1
1874	2
1877	4
1878	1
1879	1
1881	1
1883	2
1884	2
1885	1
1887	1
1888	4
1889	2
1891	1
1893	2
1894	4
1895	5
1896	2
1897	2
1898	1
1899	1
1900	13
1901	6
1902	9
1903	7
1904	11
1905	2
1906	24
1907	18
1908	5
1909	12
1910	50
1911	64
1912	5
1913	11
1914	45
1915	55
1916	74
1917	30
1918	42
1919	30
1920	26
1921	41
1922	33
1923	61
1924	92
1925	220
1926	133
1927	180
1928	160
1929	193
1930	475
1931	191
1932	460
1933	380
1934	390
1935	400
1936	282
1937	348
1938	382
1939	169
1940	315
1941	334
1942	421
1943	744
1944	496
1945	706
1946	651
1947	231
1948	426
1949	597
1950	473
1951	279
1952	493
1953	393
1954	498
1955	848
1956	795
1957	595
1958	334
1959	435
1960	404
1961	187
1962	1,199
1963	477
1964	329
1965	345
1966	438
1967	410
1968	817
1969	865
1970	703
1971	666
1972	499
1973	1,233
1974	1,097
1975	383
1976	733
1977	1,126
1978	1,090
1979	399
1980	614
1981	1,218
1982	452
1983	1,093
1984	717
1985	498
1986	1,131
1987	823
1988	1,154
1989	721
1990	753
1991	1,218
1992	921
1993	707
1994	1,015
1995	1,849
1996	1,767
1997	1,115
1998	1,060
1999	584
2000	922
2001	898
2002	1,833
2003	1,270
2004	847
2005	630
2006	1,493
2007	1,133
2008	999
2009	1,368
2010	894
2011	1,406
2012	523
2013	816
2014	609
2015	785
2016	597
2017	1,855
2018	557
2019	810
2020	706
2021	418
2022	711
2023	554
2024	551
2025	619
2026	1,131

Download the Data

Data for records on 1916-05-18: 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	52
5 to 10	10
10 to 15	2
15 to 20	3
20 to 25	1
25 to 30	0
30 to 35	0
35 to 40	1