Weather Records on 12 June 1918

44 weather records were set or tied worldwide on 12 June 1918. Highest significance: Quebec, CA.

Key Facts for 12 June 1918

On 12 June 1918, 44 weather records were set or tied at long-record stations worldwide.
14 were record highs and 12 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 43 daily.
Quebec set a daily record precipitation of 63.0 mm (2.5 in) on 12 June 1918.
Across 166 earlier years (1797 to 2026) the same calendar date averaged 421 records.

Record Map

44 stations

44 station records on 12 June 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 June 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Quebec	Canada	Record daily precipitation	63.0 mm (2.5 in)	41 of 100 (Notable)
Anticosti West Point	Canada	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Kargopol	Russia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	13.5 mm (0.5 in)	19 of 100 (Routine)
Chatham	Canada	Record daily precipitation	31.8 mm (1.3 in)	18 of 100 (Routine)
Winnemucca AP	United States	Record high maximum temperature	37.2 C (99.0 F)	18 of 100 (Routine)
Stratford	Canada	Record low maximum temperature	11.1 C (52.0 F)	17 of 100 (Routine)
Coldwater	Canada	Record daily precipitation	15.0 mm (0.6 in)	16 of 100 (Routine)
Southampton	Canada	Record daily precipitation	10.4 mm (0.4 in)	16 of 100 (Routine)
Hamilton	Canada	Record daily precipitation	11.4 mm (0.4 in)	16 of 100 (Routine)
Haliburton A	Canada	Record daily precipitation	17.8 mm (0.7 in)	16 of 100 (Routine)
Pointe Au Pere	Canada	Record daily precipitation	21.8 mm (0.9 in)	16 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record low minimum temperature	-3.3 C (26.1 F)	15 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	-7.2 C (19.0 F)	14 of 100 (Routine)
Astoria	United States	Record high minimum temperature	14.4 C (57.9 F)	14 of 100 (Routine)
Winnemucca AP	United States	Record high minimum temperature	14.4 C (57.9 F)	14 of 100 (Routine)
Milan	Italy	Record daily precipitation	28.1 mm (1.1 in)	13 of 100 (Routine)
Robe Comparison	Australia	Record high minimum temperature	12.2 C (54.0 F)	12 of 100 (Routine)
Owen Sound	Canada	Record low maximum temperature	12.2 C (54.0 F)	12 of 100 (Routine)
Coldwater	Canada	Record low maximum temperature	11.7 C (53.1 F)	11 of 100 (Routine)
Brantford	Canada	Record low maximum temperature	14.4 C (57.9 F)	11 of 100 (Routine)
Northfield	United States	Record daily precipitation	20.1 mm (0.8 in)	11 of 100 (Routine)
Portland Rfc City	United States	Record high minimum temperature	15.6 C (60.1 F)	11 of 100 (Routine)
Ottawa	Canada	Record low maximum temperature	16.1 C (61.0 F)	10 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	42.4 mm (1.7 in)	10 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	15.0 mm (0.6 in)	10 of 100 (Routine)
Portland Rfc City	United States	Record high maximum temperature	32.8 C (91.0 F)	10 of 100 (Routine)
Stonecliffe	Canada	Record low maximum temperature	13.3 C (55.9 F)	9 of 100 (Routine)
Burlington	United States	Record daily precipitation	41.1 mm (1.6 in)	9 of 100 (Routine)
Swift Current	Canada	Record high maximum temperature	32.8 C (91.0 F)	8 of 100 (Routine)
Renfrew	Canada	Record low maximum temperature	14.4 C (57.9 F)	8 of 100 (Routine)
Lucknow	Canada	Record low maximum temperature	13.9 C (57.0 F)	8 of 100 (Routine)
Pointe Au Pere	Canada	Record low maximum temperature	9.4 C (48.9 F)	8 of 100 (Routine)
Fredericton Unb	Canada	Record daily precipitation	22.9 mm (0.9 in)	8 of 100 (Routine)
Medicine Hat A	Canada	Record high maximum temperature	33.9 C (93.0 F)	7 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	14.4 C (57.9 F)	3 of 100 (Routine)
Little Rock St Capitol	United States	Record high minimum temperature	25.0 C (77.0 F)	3 of 100 (Routine)
Santa Fe	United States	Record high minimum temperature	16.1 C (61.0 F)	3 of 100 (Routine)
New Westminster	Canada	Record high maximum temperature	27.2 C (81.0 F)	2 of 100 (Routine)
Qu'appelle	Canada	Record high maximum temperature	30.0 C (86.0 F)	2 of 100 (Routine)
Sacramento 5 ESE	United States	Record high maximum temperature	36.1 C (97.0 F)	2 of 100 (Routine)
Neds Corner Homestead	Australia	Record daily precipitation	6.4 mm (0.25 in)	1 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	14.4 C (57.9 F)	1 of 100 (Routine)

Counts by Type and Timescale

44 records

Records set or tied on 12 June 1918 by type: Highest daily maximum 7, Lowest daily maximum 10, Highest daily minimum 7, Lowest daily minimum 2, Heaviest daily rainfall 18.

Records on 12 June 1918 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	10
Highest daily minimum	7
Lowest daily minimum	2
Heaviest daily rainfall	18
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 June 1918 by timescale: all-time 0, monthly 1, daily 43.

How Much Records Were Beaten By

36 broken records

Margins by which the 36 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 31.8. Ties are not counted.

Top 20 by Significance

12 June 1918

Top 20 records on 12 June 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 June 1918	Quebec, CA	daily rain	63.0 mm (2.5 in)	31.8 mm (1.3 in)	0 years	41 of 100 (Notable)
12 June 1918	Anticosti West Point, CA	daily rain	27.9 mm (1.1 in)	9.6 mm (0.38 in)	34 years	23 of 100 (Routine)
12 June 1918	Port Dover, CA	daily rain	22.1 mm (0.9 in)	13.0 mm (0.5 in)	15 years	20 of 100 (Routine)
12 June 1918	Kargopol, RU	daily rain	16.0 mm (0.6 in)	8.8 mm (0.35 in)	15 years	20 of 100 (Routine)
12 June 1918	Georgetown, CA	daily rain	13.5 mm (0.5 in)	11.0 mm (0.4 in)	15 years	19 of 100 (Routine)
12 June 1918	Chatham, CA	daily rain	31.8 mm (1.3 in)	12.0 mm (0.5 in)	3 years	18 of 100 (Routine)
12 June 1918	Winnemucca AP, US	daily high max	37.2 C (99.0 F)	3.3 C (5.9 F)	28 years	18 of 100 (Routine)
12 June 1918	Stratford, CA	daily low max	11.1 C (52.0 F)	3.9 C (7.0 F)	15 years	17 of 100 (Routine)
12 June 1918	Coldwater, CA	daily rain	15.0 mm (0.6 in)	3.3 mm (0.13 in)	34 years	16 of 100 (Routine)
12 June 1918	Southampton, CA	daily rain	10.4 mm (0.4 in)	1.3 mm (0.05 in)	37 years	16 of 100 (Routine)
12 June 1918	Hamilton, CA	daily rain	11.4 mm (0.4 in)	0.5 mm (0.02 in)	37 years	16 of 100 (Routine)
12 June 1918	Haliburton A, CA	daily rain	17.8 mm (0.7 in)	7.9 mm (0.31 in)	19 years	16 of 100 (Routine)
12 June 1918	Pointe Au Pere, CA	daily rain	21.8 mm (0.9 in)	9.1 mm (0.36 in)	0 years	16 of 100 (Routine)
12 June 1918	Wagga Wagga (Kooringal), AU	daily low min	-3.3 C (26.1 F)	0.5 C (0.9 F)	34 years	15 of 100 (Routine)
12 June 1918	Belle Isle, CA	monthly low min	-7.2 C (19.0 F)	0.5 C (0.9 F)	0 years	14 of 100 (Routine)
12 June 1918	Astoria, US	daily high min	14.4 C (57.9 F)	1.1 C (2.0 F)	20 years	14 of 100 (Routine)
12 June 1918	Winnemucca AP, US	daily high min	14.4 C (57.9 F)	1.1 C (2.0 F)	29 years	14 of 100 (Routine)
12 June 1918	Milan, IT	daily rain	28.1 mm (1.1 in)	5.8 mm (0.23 in)	7 years	13 of 100 (Routine)
12 June 1918	Robe Comparison, AU	daily high min	12.2 C (54.0 F)	0.3 C (0.5 F)	28 years	12 of 100 (Routine)
12 June 1918	Owen Sound, CA	daily low max	12.2 C (54.0 F)	2.2 C (4.0 F)	15 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

1797 to 1918

Records set or tied on this calendar date in each year from 1797 to 1918. 1918 had 44 records.

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

Records on 06-12 in each year
Year	Records
1797	1
1811	2
1838	1
1840	1
1843	1
1844	1
1845	1
1847	2
1854	1
1857	2
1859	1
1862	1
1863	1
1865	3
1866	3
1867	1
1871	1
1873	1
1874	3
1876	1
1877	4
1879	2
1880	5
1881	4
1882	2
1883	1
1884	2
1885	2
1887	2
1888	1
1889	1
1890	1
1892	1
1893	3
1894	6
1895	1
1896	1
1897	2
1898	8
1899	7
1900	3
1901	3
1902	8
1903	34
1904	8
1905	10
1906	24
1907	20
1908	9
1909	16
1910	37
1911	21
1912	23
1913	19
1914	36
1915	26
1916	80
1917	117
1918	44
1919	56
1920	93
1921	42
1922	56
1923	166
1924	153
1925	165
1926	201
1927	281
1928	180
1929	217
1930	127
1931	150
1932	352
1933	361
1934	159
1935	259
1936	440
1937	405
1938	349
1939	297
1940	389
1941	512
1942	729
1943	399
1944	423
1945	567
1946	321
1947	840
1948	215
1949	407
1950	530
1951	735
1952	1,035
1953	730
1954	337
1955	759
1956	786
1957	310
1958	454
1959	320
1960	200
1961	405
1962	328
1963	618
1964	405
1965	406
1966	530
1967	706
1968	404
1969	834
1970	701
1971	374
1972	903
1973	894
1974	575
1975	560
1976	617
1977	494
1978	438
1979	1,013
1980	718
1981	784
1982	734
1983	664
1984	653
1985	1,203
1986	778
1987	742
1988	785
1989	797
1990	664
1991	756
1992	849
1993	970
1994	654
1995	953
1996	925
1997	932
1998	1,683
1999	806
2000	1,169
2001	1,231
2002	965
2003	1,187
2004	759
2005	1,804
2006	1,216
2007	784
2008	1,219
2009	858
2010	1,423
2011	786
2012	751
2013	931
2014	421
2015	679
2016	809
2017	910
2018	635
2019	1,285
2020	712
2021	767
2022	1,204
2023	805
2024	805
2025	409
2026	979

Download the Data

Data for records on 1918-06-12: 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	27
5 to 10	5
10 to 15	3
15 to 20	0
20 to 25	0
25 to 30	0
30 to 35	1