Weather Records on 18 April 1918

76 weather records were set or tied worldwide on 18 April 1918. Highest significance: Orebro, SE.

Key Facts for 18 April 1918

On 18 April 1918, 76 weather records were set or tied at long-record stations worldwide.
5 were record highs and 30 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 76 daily.
Orebro set a daily record precipitation of 34.3 mm (1.4 in) on 18 April 1918.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

76 stations

76 station records on 18 April 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Orebro	Sweden	Record daily precipitation	34.3 mm (1.4 in)	52 of 100 (Notable)
Brantford	Canada	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Innamincka Station	Australia	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Gravenhurst	Canada	Record daily snowfall	7.6 cm (3.0 in)	30 of 100 (Routine)
Renfrew	Canada	Record daily snowfall	10.2 cm (4.0 in)	29 of 100 (Routine)
Beatrice	Canada	Record daily snowfall	7.6 cm (3.0 in)	28 of 100 (Routine)
Ottawa	Canada	Record daily snowfall	7.6 cm (3.0 in)	26 of 100 (Routine)
Alton	Canada	Record daily snowfall	5.1 cm (2.0 in)	23 of 100 (Routine)
Renfrew	Canada	Record low maximum temperature	-3.3 C (26.1 F)	21 of 100 (Routine)
Malung	Sweden	Record daily precipitation	17.2 mm (0.7 in)	20 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record daily precipitation	17.4 mm (0.7 in)	20 of 100 (Routine)
Yalta	Ukraine	Record daily precipitation	11.3 mm (0.4 in)	20 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record daily precipitation	13.3 mm (0.5 in)	20 of 100 (Routine)
Gavle	Sweden	Record daily precipitation	17.2 mm (0.7 in)	20 of 100 (Routine)
Peterborough	Canada	Record daily snowfall	1.3 cm (0.5 in)	20 of 100 (Routine)
Orskar_A	Sweden	Record daily precipitation	11.5 mm (0.5 in)	20 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Brome	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Saint John	Canada	Record low minimum temperature	-7.2 C (19.0 F)	20 of 100 (Routine)
Alicedale	South Africa	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Coldwater	Canada	Record daily snowfall	3.3 cm (1.3 in)	19 of 100 (Routine)
Woodstock	Canada	Record daily snowfall	0.8 cm (0.3 in)	19 of 100 (Routine)
Parry Sound	Canada	Record daily snowfall	10.2 cm (4.0 in)	18 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	-1.1 C (30.0 F)	18 of 100 (Routine)
Pointe Au Pere	Canada	Record low minimum temperature	-10.0 C (14.0 F)	18 of 100 (Routine)
Uppsala_Aut	Sweden	Record daily precipitation	18.0 mm (0.7 in)	18 of 100 (Routine)
Halifax	Canada	Record low minimum temperature	-7.2 C (19.0 F)	17 of 100 (Routine)
Yamma	Australia	Record daily precipitation	5.8 mm (0.23 in)	16 of 100 (Routine)
Southampton	Canada	Record daily snowfall	6.4 cm (2.5 in)	16 of 100 (Routine)
Lindsay	Canada	Record low minimum temperature	-8.3 C (17.1 F)	16 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record low minimum temperature	1.7 C (35.1 F)	15 of 100 (Routine)
North Bruce	Canada	Record daily precipitation	20.8 mm (0.8 in)	15 of 100 (Routine)
Stoney Creek	Canada	Record daily precipitation	25.4 mm (1.0 in)	15 of 100 (Routine)
Fredericton Unb	Canada	Record low maximum temperature	-0.6 C (30.9 F)	15 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record high minimum temperature	4.1 C (39.4 F)	15 of 100 (Routine)
Montreal McGill	Canada	Record low maximum temperature	-1.7 C (28.9 F)	14 of 100 (Routine)
Montreal McGill	Canada	Record daily snowfall	3.8 cm (1.5 in)	14 of 100 (Routine)
Pointe Au Pere	Canada	Record low maximum temperature	-0.6 C (30.9 F)	14 of 100 (Routine)
Escanaba	United States	Record low maximum temperature	0.6 C (33.1 F)	14 of 100 (Routine)
Innamincka Police Camp	Australia	Record daily precipitation	1.5 mm (0.06 in)	13 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	12.4 mm (0.5 in)	13 of 100 (Routine)
Lindsay	Canada	Record daily snowfall	9.1 cm (3.6 in)	13 of 100 (Routine)
Quebec	Canada	Record low maximum temperature	-0.6 C (30.9 F)	13 of 100 (Routine)
Gorlitz	Germany	Record daily precipitation	17.8 mm (0.7 in)	13 of 100 (Routine)
Burlington	United States	Record low maximum temperature	3.3 C (37.9 F)	13 of 100 (Routine)
Lucknow	Canada	Record low minimum temperature	-6.1 C (21.0 F)	12 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record high minimum temperature	-0.4 C (31.3 F)	12 of 100 (Routine)
Astoria	United States	Record high maximum temperature	20.6 C (69.1 F)	12 of 100 (Routine)
Coldwater	Canada	Record low minimum temperature	-8.3 C (17.1 F)	11 of 100 (Routine)
Vineland	United States	Record high minimum temperature	15.6 C (60.1 F)	11 of 100 (Routine)
Green Bay	United States	Record daily snowfall	2.5 cm (1.0 in)	11 of 100 (Routine)
Stratford	Canada	Record daily precipitation	21.8 mm (0.9 in)	10 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	-16.1 C (3.0 F)	10 of 100 (Routine)
Surgut	Russia	Record daily precipitation	3.0 mm (0.12 in)	10 of 100 (Routine)
Anticosti SW Point	Canada	Record low minimum temperature	-8.9 C (16.0 F)	9 of 100 (Routine)
Hanover	United States	Record daily precipitation	7.4 mm (0.29 in)	9 of 100 (Routine)
Anticosti SW Point	Canada	Record low maximum temperature	-2.2 C (28.0 F)	8 of 100 (Routine)
Southampton	Canada	Record daily precipitation	14.5 mm (0.6 in)	7 of 100 (Routine)
Vestervig	Denmark	Record low maximum temperature	4.0 C (39.2 F)	7 of 100 (Routine)
Coldwater	Canada	Record low maximum temperature	1.7 C (35.1 F)	6 of 100 (Routine)

Counts by Type and Timescale

76 records

Records set or tied on 18 April 1918 by type: Highest daily maximum 2, Lowest daily maximum 15, Highest daily minimum 3, Lowest daily minimum 15, Heaviest daily rainfall 24, Heaviest daily snowfall 17.

Records on 18 April 1918 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	15
Highest daily minimum	3
Lowest daily minimum	15
Heaviest daily rainfall	24
Heaviest daily snowfall	17
Deepest snow cover	0

Records on 18 April 1918 by timescale: all-time 0, monthly 0, daily 76.

How Much Records Were Beaten By

64 broken records

Margins by which the 64 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

18 April 1918

Top 20 records on 18 April 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1918	Orebro, SE	daily rain	34.3 mm (1.4 in)	15.3 mm (0.6 in)	38 years	52 of 100 (Notable)
18 April 1918	Brantford, CA	daily rain	31.8 mm (1.3 in)	26.7 mm (1.1 in)	40 years	44 of 100 (Notable)
18 April 1918	Innamincka Station, AU	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	34 years	38 of 100 (Notable)
18 April 1918	Gravenhurst, CA	daily snowfall	7.6 cm (3.0 in)	7.1 cm (2.8 in)	42 years	30 of 100 (Routine)
18 April 1918	Renfrew, CA	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	34 years	29 of 100 (Routine)
18 April 1918	Beatrice, CA	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	41 years	28 of 100 (Routine)
18 April 1918	Ottawa, CA	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	45 years	26 of 100 (Routine)
18 April 1918	Alton, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	30 years	23 of 100 (Routine)
18 April 1918	Renfrew, CA	daily low max	-3.3 C (26.1 F)	7.2 C (13.0 F)	27 years	21 of 100 (Routine)
18 April 1918	Malung, SE	daily rain	17.2 mm (0.7 in)	11.8 mm (0.5 in)	18 years	20 of 100 (Routine)
18 April 1918	Vasteras-Hasslo, SE	daily rain	17.4 mm (0.7 in)	7.8 mm (0.31 in)	20 years	20 of 100 (Routine)
18 April 1918	Yalta, UA	daily rain	11.3 mm (0.4 in)	8.9 mm (0.35 in)	31 years	20 of 100 (Routine)
18 April 1918	Linkoeping-Malmslaett, SE	daily rain	13.3 mm (0.5 in)	5.2 mm (0.20 in)	19 years	20 of 100 (Routine)
18 April 1918	Gavle, SE	daily rain	17.2 mm (0.7 in)	8.5 mm (0.33 in)	0 years	20 of 100 (Routine)
18 April 1918	Peterborough, CA	daily snowfall	1.3 cm (0.5 in)	1.3 cm (0.5 in)	51 years	20 of 100 (Routine)
18 April 1918	Orskar_A, SE	daily rain	11.5 mm (0.5 in)	6.3 mm (0.25 in)	0 years	20 of 100 (Routine)
18 April 1918	Guelph Oac, CA	daily rain	14.0 mm (0.6 in)	7.6 mm (0.30 in)	16 years	20 of 100 (Routine)
18 April 1918	Brome, CA	daily snowfall	2.5 cm (1.0 in)	2.5 cm (1.0 in)	40 years	20 of 100 (Routine)
18 April 1918	Saint John, CA	daily low min	-7.2 C (19.0 F)	2.8 C (5.0 F)	27 years	20 of 100 (Routine)
18 April 1918	Alicedale, ZA	daily rain	23.6 mm (0.9 in)	12.9 mm (0.5 in)	7 years	20 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

1793 to 1918

Records set or tied on this calendar date in each year from 1793 to 1918. 1918 had 76 records.

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

Records on 04-18 in each year
Year	Records
1793	1
1807	2
1815	1
1838	1
1847	1
1849	1
1851	1
1852	3
1854	3
1855	1
1865	4
1867	1
1870	1
1871	1
1875	4
1877	2
1878	1
1879	3
1880	2
1884	2
1886	2
1887	3
1888	1
1889	1
1890	2
1891	1
1892	3
1893	5
1894	7
1895	2
1896	3
1897	5
1898	8
1899	2
1900	2
1901	6
1902	5
1903	11
1904	9
1905	12
1906	18
1907	17
1908	37
1909	19
1910	19
1911	25
1912	21
1913	26
1914	38
1915	31
1916	22
1917	40
1918	76
1919	16
1920	64
1921	58
1922	85
1923	107
1924	101
1925	154
1926	322
1927	391
1928	323
1929	126
1930	113
1931	173
1932	326
1933	211
1934	391
1935	264
1936	483
1937	477
1938	711
1939	525
1940	322
1941	496
1942	287
1943	298
1944	259
1945	371
1946	357
1947	444
1948	932
1949	345
1950	244
1951	658
1952	536
1953	1,322
1954	442
1955	817
1956	467
1957	629
1958	370
1959	468
1960	320
1961	520
1962	484
1963	662
1964	449
1965	363
1966	776
1967	882
1968	867
1969	795
1970	771
1971	1,106
1972	470
1973	953
1974	326
1975	751
1976	1,309
1977	717
1978	803
1979	841
1980	842
1981	708
1982	616
1983	2,082
1984	625
1985	1,119
1986	622
1987	1,068
1988	936
1989	625
1990	1,368
1991	780
1992	702
1993	730
1994	1,218
1995	1,601
1996	826
1997	1,256
1998	1,011
1999	1,428
2000	912
2001	1,487
2002	2,084
2003	969
2004	846
2005	622
2006	1,262
2007	675
2008	913
2009	624
2010	478
2011	1,122
2012	744
2013	2,509
2014	534
2015	519
2016	973
2017	588
2018	1,202
2019	601
2020	770
2021	592
2022	1,013
2023	739
2024	641
2025	997
2026	498

Download the Data

Data for records on 1918-04-18: 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 20	51
20 to 40	7
40 to 60	2
60 to 80	3
80 to 100	0
100 to 120	1