Weather Records on 23 June 1921

72 weather records were set or tied worldwide on 23 June 1921. Highest significance: Praha-Klementinum, CZ.

Key Facts for 23 June 1921

On 23 June 1921, 72 weather records were set or tied at long-record stations worldwide.
38 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 2 monthly and 69 daily.
Praha-Klementinum set a daily record low minimum temperature of 7.5 C (45.5 F) on 23 June 1921.
Across 161 earlier years (1805 to 2026) the same calendar date averaged 433 records.

Record Map

72 stations

72 station records on 23 June 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 June 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Praha-Klementinum	Czech Republic	Record low minimum temperature	7.5 C (45.5 F)	44 of 100 (Notable)
Robe Comparison	Australia	Record high maximum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
Toronto	Canada	Record high maximum temperature	32.8 C (91.0 F)	25 of 100 (Routine)
Sheffield	United Kingdom	Record high maximum temperature	28.3 C (82.9 F)	21 of 100 (Routine)
Sevastopol',Mgs	Ukraine	Record daily precipitation	10.0 mm (0.4 in)	20 of 100 (Routine)
Magdeburg	Germany	Record low minimum temperature	5.2 C (41.4 F)	20 of 100 (Routine)
Braunschweig (T.H.)	Germany	Record low minimum temperature	4.9 C (40.8 F)	19 of 100 (Routine)
Wien	Austria	Record low maximum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Innsbruck	Austria	Record low minimum temperature	5.9 C (42.6 F)	17 of 100 (Routine)
Port Dover	Canada	Record high maximum temperature	31.1 C (88.0 F)	17 of 100 (Routine)
Paris	Canada	Record high minimum temperature	21.1 C (70.0 F)	17 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low minimum temperature	5.0 C (41.0 F)	17 of 100 (Routine)
Port Dover	Canada	Record high minimum temperature	20.6 C (69.1 F)	16 of 100 (Routine)
Guelph Oac	Canada	Record high minimum temperature	20.0 C (68.0 F)	15 of 100 (Routine)
Stratford	Canada	Record high minimum temperature	19.4 C (66.9 F)	15 of 100 (Routine)
Berlin-Dahlem	Germany	Record low minimum temperature	6.0 C (42.8 F)	15 of 100 (Routine)
Durham	United Kingdom	Record high maximum temperature	26.1 C (79.0 F)	15 of 100 (Routine)
Welland	Canada	Record high minimum temperature	18.9 C (66.0 F)	14 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	22.2 C (72.0 F)	14 of 100 (Routine)
Davis Island Dam	United States	Record daily precipitation	63.8 mm (2.5 in)	14 of 100 (Routine)
London South	Canada	Record high minimum temperature	20.6 C (69.1 F)	13 of 100 (Routine)
Schwerin	Germany	Record low minimum temperature	5.0 C (41.0 F)	13 of 100 (Routine)
Cet Central England	United Kingdom	Record high maximum temperature	27.0 C (80.6 F)	13 of 100 (Routine)
Kazan	Russia	Record high minimum temperature	21.6 C (70.9 F)	12 of 100 (Routine)
Stuttgart	United States	Record high minimum temperature	23.9 C (75.0 F)	12 of 100 (Routine)
Beachport	Australia	Record daily precipitation	12.7 mm (0.5 in)	11 of 100 (Routine)
Mena	United States	Record low maximum temperature	23.9 C (75.0 F)	11 of 100 (Routine)
Quebec	Canada	Record high maximum temperature	30.6 C (87.1 F)	10 of 100 (Routine)
Tartu	Estonia	Record daily precipitation	26.2 mm (1.0 in)	10 of 100 (Routine)
Kirov	Russia	Record high minimum temperature	20.8 C (69.4 F)	10 of 100 (Routine)
Tunis	Tunisia	Record low maximum temperature	24.0 C (75.2 F)	10 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	20.3 C (68.5 F)	9 of 100 (Routine)
Sonnblick	Austria	Record low maximum temperature	-5.2 C (22.6 F)	9 of 100 (Routine)
Ottawa Cda	Canada	Record high maximum temperature	34.4 C (93.9 F)	9 of 100 (Routine)
Moorestown 4 E	United States	Record high minimum temperature	22.8 C (73.0 F)	9 of 100 (Routine)
Quebec	Canada	Record high minimum temperature	18.9 C (66.0 F)	8 of 100 (Routine)
Brome	Canada	Record high maximum temperature	30.6 C (87.1 F)	8 of 100 (Routine)
Muenster	Germany	Record low minimum temperature	5.4 C (41.7 F)	8 of 100 (Routine)
Cottbus	Germany	Record low minimum temperature	5.7 C (42.3 F)	8 of 100 (Routine)
Wien	Austria	Record low minimum temperature	8.5 C (47.3 F)	7 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	33.3 C (91.9 F)	7 of 100 (Routine)
Waren	Germany	Record low minimum temperature	5.7 C (42.3 F)	7 of 100 (Routine)
Lowell	United States	Record high maximum temperature	34.4 C (93.9 F)	7 of 100 (Routine)
Currawinya	Australia	Record daily precipitation	12.7 mm (0.5 in)	6 of 100 (Routine)
Lubeck-Werft	Germany	Record low minimum temperature	4.5 C (40.1 F)	6 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high maximum temperature	36.0 C (96.8 F)	6 of 100 (Routine)
Salzburg	Austria	Record low maximum temperature	14.0 C (57.2 F)	5 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record low maximum temperature	14.7 C (58.5 F)	5 of 100 (Routine)
Bamberg	Germany	Record low maximum temperature	14.0 C (57.2 F)	5 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	13.5 C (56.3 F)	5 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low maximum temperature	12.6 C (54.7 F)	5 of 100 (Routine)
Plauen	Germany	Record low maximum temperature	12.7 C (54.9 F)	5 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record low minimum temperature	2.3 C (36.1 F)	5 of 100 (Routine)
Gardiner	United States	Record high minimum temperature	24.4 C (75.9 F)	5 of 100 (Routine)
Nurnberg	Germany	Record low maximum temperature	14.0 C (57.2 F)	4 of 100 (Routine)
Cottbus	Germany	Record low maximum temperature	14.8 C (58.6 F)	4 of 100 (Routine)
Newport	United States	Record high minimum temperature	23.9 C (75.0 F)	4 of 100 (Routine)
Barrie	Canada	Record high minimum temperature	18.3 C (64.9 F)	3 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	17.8 C (64.0 F)	3 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	17.8 C (64.0 F)	3 of 100 (Routine)

Counts by Type and Timescale

72 records

Records set or tied on 23 June 1921 by type: Highest daily maximum 14, Lowest daily maximum 15, Highest daily minimum 24, Lowest daily minimum 14, Heaviest daily rainfall 5.

Records on 23 June 1921 by type
Record type	Records
Highest daily maximum	14
Lowest daily maximum	15
Highest daily minimum	24
Lowest daily minimum	14
Heaviest daily rainfall	5
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 June 1921 by timescale: all-time 1, monthly 2, daily 69.

How Much Records Were Beaten By

56 broken records

Margins by which the 56 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 7.4. Ties are not counted.

Top 20 by Significance

23 June 1921

Top 20 records on 23 June 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 June 1921	Praha-Klementinum, CZ	daily low min	7.5 C (45.5 F)	1.1 C (2.0 F)	114 years	44 of 100 (Notable)
23 June 1921	Robe Comparison, AU	daily high max	17.8 C (64.0 F)	2.1 C (3.8 F)	32 years	25 of 100 (Routine)
23 June 1921	Toronto, CA	daily high max	32.8 C (91.0 F)	1.7 C (3.1 F)	46 years	25 of 100 (Routine)
23 June 1921	Sheffield, GB	monthly high max	28.3 C (82.9 F)	0.1 C (0.2 F)	25 years	21 of 100 (Routine)
23 June 1921	Sevastopol',Mgs, UA	daily rain	10.0 mm (0.4 in)	6.7 mm (0.26 in)	36 years	20 of 100 (Routine)
23 June 1921	Magdeburg, DE	daily low min	5.2 C (41.4 F)	2.6 C (4.7 F)	26 years	20 of 100 (Routine)
23 June 1921	Braunschweig (T.H.), DE	daily low min	4.9 C (40.8 F)	2.5 C (4.5 F)	26 years	19 of 100 (Routine)
23 June 1921	Wien, AT	daily low max	15.0 C (59.0 F)	0.6 C (1.1 F)	35 years	17 of 100 (Routine)
23 June 1921	Innsbruck, AT	daily low min	5.9 C (42.6 F)	1.1 C (2.0 F)	35 years	17 of 100 (Routine)
23 June 1921	Port Dover, CA	daily high max	31.1 C (88.0 F)	1.1 C (2.0 F)	38 years	17 of 100 (Routine)
23 June 1921	Paris, CA	daily high min	21.1 C (70.0 F)	2.8 C (5.0 F)	26 years	17 of 100 (Routine)
23 June 1921	Munchen-Nymphenburg, DE	daily low min	5.0 C (41.0 F)	1.0 C (1.8 F)	35 years	17 of 100 (Routine)
23 June 1921	Port Dover, CA	daily high min	20.6 C (69.1 F)	1.2 C (2.2 F)	32 years	16 of 100 (Routine)
23 June 1921	Guelph Oac, CA	daily high min	20.0 C (68.0 F)	1.1 C (2.0 F)	30 years	15 of 100 (Routine)
23 June 1921	Stratford, CA	daily high min	19.4 C (66.9 F)	1.1 C (2.0 F)	26 years	15 of 100 (Routine)
23 June 1921	Berlin-Dahlem, DE	daily low min	6.0 C (42.8 F)	0.5 C (0.9 F)	35 years	15 of 100 (Routine)
23 June 1921	Durham, GB	daily high max	26.1 C (79.0 F)	2.5 C (4.5 F)	19 years	15 of 100 (Routine)
23 June 1921	Welland, CA	daily high min	18.9 C (66.0 F)	0.6 C (1.1 F)	26 years	14 of 100 (Routine)
23 June 1921	Hamilton, CA	daily high min	22.2 C (72.0 F)	2.8 C (5.0 F)	12 years	14 of 100 (Routine)
23 June 1921	Davis Island Dam, US	daily rain	63.8 mm (2.5 in)	7.4 mm (0.29 in)	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

1805 to 1921

Records set or tied on this calendar date in each year from 1805 to 1921. 1921 had 72 records.

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

Records on 06-23 in each year
Year	Records
1805	1
1806	1
1821	2
1822	1
1824	1
1834	1
1843	1
1849	2
1850	1
1853	2
1858	1
1861	2
1862	1
1868	1
1869	3
1874	3
1876	1
1877	1
1879	3
1880	1
1881	1
1884	1
1885	5
1886	4
1887	3
1888	4
1889	4
1890	1
1892	9
1893	2
1894	4
1895	4
1896	2
1898	2
1899	4
1900	2
1901	5
1902	10
1903	22
1904	10
1905	16
1906	14
1907	20
1908	20
1909	29
1910	30
1911	23
1912	38
1913	28
1914	31
1915	127
1916	14
1917	22
1918	92
1919	42
1920	76
1921	72
1922	25
1923	143
1924	86
1925	162
1926	336
1927	104
1928	155
1929	182
1930	408
1931	331
1932	208
1933	605
1934	367
1935	231
1936	627
1937	479
1938	266
1939	218
1940	365
1941	295
1942	475
1943	260
1944	427
1945	394
1946	348
1947	648
1948	567
1949	424
1950	812
1951	443
1952	538
1953	657
1954	486
1955	369
1956	533
1957	514
1958	630
1959	427
1960	452
1961	453
1962	285
1963	546
1964	434
1965	391
1966	426
1967	708
1968	356
1969	969
1970	484
1971	270
1972	1,522
1973	520
1974	625
1975	681
1976	668
1977	480
1978	509
1979	550
1980	633
1981	846
1982	602
1983	968
1984	654
1985	552
1986	628
1987	946
1988	1,751
1989	1,039
1990	639
1991	904
1992	1,675
1993	922
1994	956
1995	891
1996	1,342
1997	777
1998	1,589
1999	904
2000	636
2001	808
2002	1,079
2003	1,335
2004	970
2005	1,070
2006	810
2007	802
2008	533
2009	1,077
2010	966
2011	989
2012	793
2013	525
2014	382
2015	642
2016	1,203
2017	1,012
2018	493
2019	1,174
2020	716
2021	950
2022	661
2023	942
2024	959
2025	1,414
2026	894

Download the Data

Data for records on 1921-06-23: 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 1	24
1 to 2	20
2 to 3	8
3 to 4	2
4 to 5	0
5 to 6	0
6 to 7	1
7 to 8	1