Weather Records on 12 June 1921

42 weather records were set or tied worldwide on 12 June 1921. Highest significance: Gysinge, SE.

Key Facts for 12 June 1921

On 12 June 1921, 42 weather records were set or tied at long-record stations worldwide.
9 were record highs and 2 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 42 daily.
Gysinge set a daily record precipitation of 35.9 mm (1.4 in) on 12 June 1921.
Across 166 earlier years (1797 to 2026) the same calendar date averaged 421 records.

Record Map

42 stations

42 station records on 12 June 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 June 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gysinge	Sweden	Record daily precipitation	35.9 mm (1.4 in)	55 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	32.3 mm (1.3 in)	49 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record high minimum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Concordia ASOS	United States	Record high minimum temperature	25.0 C (77.0 F)	21 of 100 (Routine)
Bjuraker	Sweden	Record daily precipitation	14.1 mm (0.6 in)	20 of 100 (Routine)
Cottam	Canada	Record daily precipitation	18.0 mm (0.7 in)	18 of 100 (Routine)
Tarnaby	Sweden	Record daily precipitation	9.7 mm (0.38 in)	18 of 100 (Routine)
Georgetown Post Office	Australia	Record daily precipitation	0.5 mm (0.02 in)	17 of 100 (Routine)
Johnsonville	United States	Record daily precipitation	55.9 mm (2.2 in)	17 of 100 (Routine)
Clermont Sirius St	Australia	Record daily precipitation	3.6 mm (0.14 in)	16 of 100 (Routine)
Stromsfoss Sluse	Norway	Record daily precipitation	18.0 mm (0.7 in)	15 of 100 (Routine)
Gavle	Sweden	Record daily precipitation	18.3 mm (0.7 in)	15 of 100 (Routine)
Jansenville	South Africa	Record daily precipitation	4.8 mm (0.19 in)	14 of 100 (Routine)
Cet Central England	United Kingdom	Record low minimum temperature	4.5 C (40.1 F)	14 of 100 (Routine)
Pentland Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	13 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	25.4 mm (1.0 in)	13 of 100 (Routine)
Watford	Canada	Record daily precipitation	16.8 mm (0.7 in)	12 of 100 (Routine)
Rolleston	Australia	Record daily precipitation	3.0 mm (0.12 in)	11 of 100 (Routine)
Narrabri West Post Office	Australia	Record daily precipitation	12.7 mm (0.5 in)	11 of 100 (Routine)
Glen Dee	Australia	Record daily precipitation	6.6 mm (0.26 in)	10 of 100 (Routine)
Sale	Australia	Record daily precipitation	19.1 mm (0.8 in)	10 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record daily precipitation	15.4 mm (0.6 in)	10 of 100 (Routine)
Teterow	Germany	Record daily precipitation	6.8 mm (0.27 in)	10 of 100 (Routine)
Lake Cochituate	United States	Record high minimum temperature	18.9 C (66.0 F)	10 of 100 (Routine)
Yerevan	Armenia	Record daily precipitation	4.6 mm (0.18 in)	9 of 100 (Routine)
Point Escuminac	Canada	Record daily precipitation	21.1 mm (0.8 in)	9 of 100 (Routine)
Jakutsk	Russia	Record low minimum temperature	3.1 C (37.6 F)	9 of 100 (Routine)
Robe Comparison	Australia	Record high minimum temperature	13.5 C (56.3 F)	8 of 100 (Routine)
Camden (Brownlow Hill)	Australia	Record daily precipitation	12.7 mm (0.5 in)	8 of 100 (Routine)
Camboon Station	Australia	Record daily precipitation	12.7 mm (0.5 in)	7 of 100 (Routine)
Maytown	Australia	Record daily precipitation	3.0 mm (0.12 in)	6 of 100 (Routine)
Ravenswood Post Office	Australia	Record daily precipitation	4.6 mm (0.18 in)	6 of 100 (Routine)
Bauhinia Downs Store	Australia	Record daily precipitation	2.8 mm (0.11 in)	5 of 100 (Routine)
Warra Post Office	Australia	Record daily precipitation	14.5 mm (0.6 in)	5 of 100 (Routine)
May Vale	Australia	Record daily precipitation	11.9 mm (0.5 in)	3 of 100 (Routine)
Robe Comparison	Australia	Record high maximum temperature	16.8 C (62.2 F)	2 of 100 (Routine)
Lowell	United States	Record high minimum temperature	19.4 C (66.9 F)	2 of 100 (Routine)
Springsure Comet St	Australia	Record daily precipitation	1.3 mm (0.05 in)	1 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high minimum temperature	9.4 C (48.9 F)	1 of 100 (Routine)
Blue Hill Coop	United States	Record high minimum temperature	18.3 C (64.9 F)	1 of 100 (Routine)
Charters Towers Post Office	Australia	Record daily precipitation	1.0 mm (0.04 in)	0 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	17.8 C (64.0 F)	0 of 100 (Routine)

Counts by Type and Timescale

42 records

Records set or tied on 12 June 1921 by type: Highest daily maximum 1, Highest daily minimum 8, Lowest daily minimum 2, Heaviest daily rainfall 31.

Records on 12 June 1921 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	0
Highest daily minimum	8
Lowest daily minimum	2
Heaviest daily rainfall	31
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 June 1921 by timescale: all-time 0, monthly 0, daily 42.

How Much Records Were Beaten By

34 broken records

Margins by which the 34 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.9. Ties are not counted.

Top 20 by Significance

12 June 1921

Top 20 records on 12 June 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 June 1921	Gysinge, SE	daily rain	35.9 mm (1.4 in)	30.9 mm (1.2 in)	38 years	55 of 100 (Notable)
12 June 1921	Deniliquin (Wilkinson St), AU	daily rain	32.3 mm (1.3 in)	20.9 mm (0.8 in)	45 years	49 of 100 (Notable)
12 June 1921	Deniliquin (Wilkinson St), AU	daily high min	13.3 C (55.9 F)	2.7 C (4.9 F)	52 years	28 of 100 (Routine)
12 June 1921	Concordia ASOS, US	daily high min	25.0 C (77.0 F)	3.3 C (5.9 F)	35 years	21 of 100 (Routine)
12 June 1921	Bjuraker, SE	daily rain	14.1 mm (0.6 in)	9.4 mm (0.37 in)	38 years	20 of 100 (Routine)
12 June 1921	Cottam, CA	daily rain	18.0 mm (0.7 in)	10.1 mm (0.4 in)	19 years	18 of 100 (Routine)
12 June 1921	Tarnaby, SE	daily rain	9.7 mm (0.38 in)	4.7 mm (0.19 in)	20 years	18 of 100 (Routine)
12 June 1921	Georgetown Post Office, AU	daily rain	0.5 mm (0.02 in)	0.5 mm (0.02 in)	40 years	17 of 100 (Routine)
12 June 1921	Johnsonville, US	daily rain	55.9 mm (2.2 in)	16.5 mm (0.6 in)	4 years	17 of 100 (Routine)
12 June 1921	Clermont Sirius St, AU	daily rain	3.6 mm (0.14 in)	3.3 mm (0.13 in)	33 years	16 of 100 (Routine)
12 June 1921	Stromsfoss Sluse, NO	daily rain	18.0 mm (0.7 in)	2.0 mm (0.08 in)	28 years	15 of 100 (Routine)
12 June 1921	Gavle, SE	daily rain	18.3 mm (0.7 in)	5.9 mm (0.23 in)	4 years	15 of 100 (Routine)
12 June 1921	Jansenville, ZA	daily rain	4.8 mm (0.19 in)	1.0 mm (0.04 in)	30 years	14 of 100 (Routine)
12 June 1921	Cet Central England, GB	daily low min	4.5 C (40.1 F)	0.7 C (1.3 F)	29 years	14 of 100 (Routine)
12 June 1921	Pentland Post Office, AU	daily rain	34.3 mm (1.4 in)	10.7 mm (0.4 in)	15 years	13 of 100 (Routine)
12 June 1921	Harkerville (Bos), ZA	daily rain	25.4 mm (1.0 in)	5.1 mm (0.20 in)	24 years	13 of 100 (Routine)
12 June 1921	Watford, CA	daily rain	16.8 mm (0.7 in)	4.1 mm (0.16 in)	22 years	12 of 100 (Routine)
12 June 1921	Rolleston, AU	daily rain	3.0 mm (0.12 in)	1.0 mm (0.04 in)	27 years	11 of 100 (Routine)
12 June 1921	Narrabri West Post Office, AU	daily rain	12.7 mm (0.5 in)	1.3 mm (0.05 in)	23 years	11 of 100 (Routine)
12 June 1921	Glen Dee, AU	daily rain	6.6 mm (0.26 in)	1.0 mm (0.04 in)	21 years	10 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 1921

Records set or tied on this calendar date in each year from 1797 to 1921. 1921 had 42 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 1921-06-12: 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	25
5 to 10	4
10 to 15	2
15 to 20	1
20 to 25	1
25 to 30	0
30 to 35	1