Weather Records on 20 June 1919

67 weather records were set or tied worldwide on 20 June 1919. Highest significance: London South, CA.

Key Facts for 20 June 1919

On 20 June 1919, 67 weather records were set or tied at long-record stations worldwide.
44 were record highs and 0 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 66 daily.
London South set a daily record precipitation of 55.6 mm (2.2 in) on 20 June 1919.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 460 records.

Record Map

67 stations

67 station records on 20 June 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1919: highest significance records shown on the map
Station	Country	Type	Value	Significance
London South	Canada	Record daily precipitation	55.6 mm (2.2 in)	35 of 100 (Notable)
Kazan	Russia	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Bloukrans (Bos)	South Africa	Record daily precipitation	58.4 mm (2.3 in)	26 of 100 (Routine)
Toongabbie	Australia	Record daily precipitation	29.2 mm (1.1 in)	22 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	20.6 C (69.1 F)	21 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record daily precipitation	19.0 mm (0.7 in)	20 of 100 (Routine)
Pennyroyal Creek	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Battleford	Canada	Record high minimum temperature	19.4 C (66.9 F)	20 of 100 (Routine)
Freiburg	Germany	Record high maximum temperature	31.4 C (88.5 F)	19 of 100 (Routine)
Novorossijsk	Russia	Record daily precipitation	21.7 mm (0.9 in)	19 of 100 (Routine)
Huron Rgnl AP	United States	Record daily precipitation	24.1 mm (0.9 in)	19 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	19.4 C (66.9 F)	18 of 100 (Routine)
Lexington Bluegrass AP	United States	Record daily precipitation	36.6 mm (1.4 in)	18 of 100 (Routine)
Toronto	Canada	Record high minimum temperature	20.0 C (68.0 F)	17 of 100 (Routine)
Edmonton	Canada	Record high minimum temperature	16.1 C (61.0 F)	16 of 100 (Routine)
Zametchino	Russia	Record daily precipitation	15.4 mm (0.6 in)	16 of 100 (Routine)
Fir Glen	South Africa	Record daily precipitation	11.4 mm (0.4 in)	16 of 100 (Routine)
Foster (Post Office)	Australia	Record daily precipitation	26.7 mm (1.1 in)	15 of 100 (Routine)
Prince Albert	Canada	Record high maximum temperature	33.3 C (91.9 F)	15 of 100 (Routine)
Medicine Hat A	Canada	Record high maximum temperature	37.2 C (99.0 F)	14 of 100 (Routine)
Ulan-Ude	Russia	Record daily precipitation	45.3 mm (1.8 in)	14 of 100 (Routine)
Grahamstown	South Africa	Record daily precipitation	17.8 mm (0.7 in)	14 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record high minimum temperature	18.0 C (64.4 F)	13 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high maximum temperature	20.0 C (68.0 F)	13 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	31.0 C (87.8 F)	13 of 100 (Routine)
Swift Current	Canada	Record high minimum temperature	18.9 C (66.0 F)	13 of 100 (Routine)
Battleford	Canada	Record high maximum temperature	33.9 C (93.0 F)	13 of 100 (Routine)
Guelph Oac	Canada	Record high minimum temperature	17.8 C (64.0 F)	13 of 100 (Routine)
Astoria	United States	Record high minimum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	13.3 C (55.9 F)	12 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	17.8 C (64.0 F)	12 of 100 (Routine)
Kingston Queens U	Canada	Record high minimum temperature	18.3 C (64.9 F)	12 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	20.6 mm (0.8 in)	12 of 100 (Routine)
Parry Sound	Canada	Record high maximum temperature	30.0 C (86.0 F)	12 of 100 (Routine)
Fort Chipewyan	Canada	Record high maximum temperature	31.1 C (88.0 F)	11 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	18.9 C (66.0 F)	11 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	24.0 C (75.2 F)	11 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	13.4 C (56.1 F)	11 of 100 (Routine)
West Terschelling	Netherlands	Record daily precipitation	22.5 mm (0.9 in)	11 of 100 (Routine)
Millwood (Bos)	South Africa	Record daily precipitation	20.3 mm (0.8 in)	10 of 100 (Routine)
Edmonton	Canada	Record high maximum temperature	31.7 C (89.1 F)	9 of 100 (Routine)
Moose Factory	Canada	Record high maximum temperature	33.3 C (91.9 F)	9 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	17.8 C (64.0 F)	9 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	30.4 C (86.7 F)	9 of 100 (Routine)
Port Albert	Australia	Record daily precipitation	12.7 mm (0.5 in)	8 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	5.6 C (42.1 F)	8 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	18.9 C (66.0 F)	8 of 100 (Routine)
Alton	Canada	Record high maximum temperature	32.2 C (90.0 F)	8 of 100 (Routine)
World Trade Ctr	United States	Record daily precipitation	19.6 mm (0.8 in)	8 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	29.1 C (84.4 F)	7 of 100 (Routine)
Alma	United States	Record high minimum temperature	20.6 C (69.1 F)	7 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	26.4 mm (1.0 in)	7 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily precipitation	35.3 mm (1.4 in)	7 of 100 (Routine)
Calgary Int'l A	Canada	Record high maximum temperature	34.4 C (93.9 F)	4 of 100 (Routine)
Bird Rocks	Canada	Record high minimum temperature	9.4 C (48.9 F)	3 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	5.4 C (41.7 F)	3 of 100 (Routine)
Fort National	Algeria	Record high minimum temperature	21.0 C (69.8 F)	2 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	20.0 C (68.0 F)	2 of 100 (Routine)
Wellington Station	Australia	Record daily precipitation	4.6 mm (0.18 in)	2 of 100 (Routine)
Alton	Canada	Record high minimum temperature	17.2 C (63.0 F)	2 of 100 (Routine)

Counts by Type and Timescale

67 records

Records set or tied on 20 June 1919 by type: Highest daily maximum 18, Highest daily minimum 26, Heaviest daily rainfall 23.

Records on 20 June 1919 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	0
Highest daily minimum	26
Lowest daily minimum	0
Heaviest daily rainfall	23
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1919 by timescale: all-time 0, monthly 1, daily 66.

How Much Records Were Beaten By

54 broken records

Margins by which the 54 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 36.3. Ties are not counted.

Top 20 by Significance

20 June 1919

Top 20 records on 20 June 1919 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1919	London South, CA	daily rain	55.6 mm (2.2 in)	31.5 mm (1.2 in)	6 years	35 of 100 (Notable)
20 June 1919	Kazan, RU	daily rain	30.5 mm (1.2 in)	17.1 mm (0.7 in)	12 years	34 of 100 (Routine)
20 June 1919	Bloukrans (Bos), ZA	daily rain	58.4 mm (2.3 in)	36.3 mm (1.4 in)	16 years	26 of 100 (Routine)
20 June 1919	Toongabbie, AU	daily rain	29.2 mm (1.1 in)	12.2 mm (0.5 in)	8 years	22 of 100 (Routine)
20 June 1919	Medicine Hat A, CA	daily high min	20.6 C (69.1 F)	5.0 C (9.0 F)	18 years	21 of 100 (Routine)
20 June 1919	Kvikkjokk-Arrenjarka, SE	daily rain	19.0 mm (0.7 in)	9.6 mm (0.38 in)	17 years	20 of 100 (Routine)
20 June 1919	Pennyroyal Creek, AU	daily rain	20.8 mm (0.8 in)	8.1 mm (0.32 in)	17 years	20 of 100 (Routine)
20 June 1919	Battleford, CA	daily high min	19.4 C (66.9 F)	3.8 C (6.8 F)	20 years	20 of 100 (Routine)
20 June 1919	Freiburg, DE	daily high max	31.4 C (88.5 F)	2.4 C (4.3 F)	37 years	19 of 100 (Routine)
20 June 1919	Novorossijsk, RU	daily rain	21.7 mm (0.9 in)	10.7 mm (0.4 in)	16 years	19 of 100 (Routine)
20 June 1919	Huron Rgnl AP, US	daily rain	24.1 mm (0.9 in)	9.1 mm (0.36 in)	35 years	19 of 100 (Routine)
20 June 1919	Lindsay, CA	daily high min	19.4 C (66.9 F)	2.7 C (4.9 F)	26 years	18 of 100 (Routine)
20 June 1919	Lexington Bluegrass AP, US	daily rain	36.6 mm (1.4 in)	7.1 mm (0.28 in)	27 years	18 of 100 (Routine)
20 June 1919	Toronto, CA	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	26 years	17 of 100 (Routine)
20 June 1919	Edmonton, CA	daily high min	16.1 C (61.0 F)	2.2 C (4.0 F)	20 years	16 of 100 (Routine)
20 June 1919	Zametchino, RU	daily rain	15.4 mm (0.6 in)	2.2 mm (0.09 in)	35 years	16 of 100 (Routine)
20 June 1919	Fir Glen, ZA	daily rain	11.4 mm (0.4 in)	7.8 mm (0.31 in)	18 years	16 of 100 (Routine)
20 June 1919	Foster (Post Office), AU	daily rain	26.7 mm (1.1 in)	3.8 mm (0.15 in)	30 years	15 of 100 (Routine)
20 June 1919	Prince Albert, CA	daily high max	33.3 C (91.9 F)	3.9 C (7.0 F)	18 years	15 of 100 (Routine)
20 June 1919	Medicine Hat A, CA	daily high max	37.2 C (99.0 F)	3.3 C (5.9 F)	18 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

1800 to 1919

Records set or tied on this calendar date in each year from 1800 to 1919. 1919 had 67 records.

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

Records on 06-20 in each year
Year	Records
1800	1
1803	1
1813	1
1821	2
1838	1
1839	1
1841	1
1844	1
1846	2
1847	1
1850	1
1855	2
1857	1
1861	1
1865	2
1867	1
1869	2
1872	1
1873	1
1877	2
1879	1
1884	1
1886	2
1887	2
1891	2
1892	2
1893	2
1895	4
1896	3
1897	6
1898	3
1899	6
1900	4
1901	5
1902	7
1903	22
1904	13
1905	14
1906	18
1907	10
1908	30
1909	9
1910	27
1911	27
1912	17
1913	30
1914	53
1915	75
1916	83
1917	96
1918	54
1919	67
1920	40
1921	42
1922	61
1923	263
1924	204
1925	483
1926	228
1927	193
1928	199
1929	137
1930	143
1931	536
1932	182
1933	676
1934	301
1935	337
1936	529
1937	412
1938	326
1939	270
1940	469
1941	200
1942	757
1943	447
1944	315
1945	769
1946	849
1947	387
1948	554
1949	314
1950	328
1951	289
1952	318
1953	998
1954	414
1955	291
1956	484
1957	598
1958	603
1959	504
1960	451
1961	836
1962	173
1963	379
1964	729
1965	463
1966	441
1967	687
1968	559
1969	982
1970	482
1971	395
1972	660
1973	553
1974	743
1975	984
1976	899
1977	453
1978	480
1979	727
1980	922
1981	987
1982	801
1983	724
1984	686
1985	811
1986	732
1987	960
1988	1,222
1989	918
1990	899
1991	1,085
1992	1,049
1993	964
1994	925
1995	1,260
1996	1,123
1997	738
1998	1,627
1999	906
2000	1,328
2001	771
2002	955
2003	843
2004	1,071
2005	1,055
2006	820
2007	1,208
2008	669
2009	1,060
2010	865
2011	1,359
2012	1,045
2013	879
2014	381
2015	637
2016	1,352
2017	1,086
2018	635
2019	693
2020	590
2021	1,161
2022	972
2023	1,265
2024	783
2025	944
2026	757

Download the Data

Data for records on 1919-06-20: 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	42
5 to 10	7
10 to 15	2
15 to 20	1
20 to 25	0
25 to 30	0
30 to 35	1
35 to 40	1