Weather Records on 17 June 1921

52 weather records were set or tied worldwide on 17 June 1921. Highest significance: Southampton, CA.

Key Facts for 17 June 1921

On 17 June 1921, 52 weather records were set or tied at long-record stations worldwide.
19 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 52 daily.
Southampton set a daily record precipitation of 62.0 mm (2.4 in) on 17 June 1921.
Across 162 earlier years (1807 to 2026) the same calendar date averaged 433 records.

Record Map

52 stations

52 station records on 17 June 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 June 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Southampton	Canada	Record daily precipitation	62.0 mm (2.4 in)	58 of 100 (Notable)
Horton	United States	Record daily precipitation	67.3 mm (2.6 in)	43 of 100 (Notable)
Battunga	Australia	Record daily precipitation	34.8 mm (1.4 in)	21 of 100 (Routine)
Bjuraker	Sweden	Record daily precipitation	17.6 mm (0.7 in)	20 of 100 (Routine)
Willaura (Yarram Park)	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Thorpdale State School	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Jokkmokk	Sweden	Record daily precipitation	17.1 mm (0.7 in)	20 of 100 (Routine)
Chatham 2	Canada	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Milwaukee Wb City	United States	Record high minimum temperature	23.3 C (73.9 F)	20 of 100 (Routine)
Barrie	Canada	Record daily precipitation	20.8 mm (0.8 in)	19 of 100 (Routine)
Gravenhurst	Canada	Record daily precipitation	14.5 mm (0.6 in)	19 of 100 (Routine)
Gembrook	Australia	Record daily precipitation	18.5 mm (0.7 in)	18 of 100 (Routine)
Sfax El-Maou	Tunisia	Record low minimum temperature	12.0 C (53.6 F)	18 of 100 (Routine)
Colac Botanical Gardens	Australia	Record daily precipitation	20.6 mm (0.8 in)	16 of 100 (Routine)
Medicine Hat A	Canada	Record daily precipitation	27.9 mm (1.1 in)	16 of 100 (Routine)
Halmstad	Sweden	Record low minimum temperature	4.0 C (39.2 F)	16 of 100 (Routine)
Madison Wb City	United States	Record high minimum temperature	22.2 C (72.0 F)	16 of 100 (Routine)
Merino (Glenorchy Estate)	Australia	Record daily precipitation	18.8 mm (0.7 in)	15 of 100 (Routine)
Parry Sound	Canada	Record daily precipitation	18.0 mm (0.7 in)	15 of 100 (Routine)
Pennyroyal Creek	Australia	Record daily precipitation	12.7 mm (0.5 in)	14 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	15.0 mm (0.6 in)	14 of 100 (Routine)
Junsele	Sweden	Record daily precipitation	12.5 mm (0.5 in)	14 of 100 (Routine)
Alma	United States	Record high maximum temperature	35.6 C (96.1 F)	14 of 100 (Routine)
Green Bay	United States	Record high minimum temperature	22.2 C (72.0 F)	14 of 100 (Routine)
Port Lincoln (Woolga)	Australia	Record daily precipitation	25.7 mm (1.0 in)	13 of 100 (Routine)
Needles	United States	Record low maximum temperature	32.8 C (91.0 F)	13 of 100 (Routine)
Green Bay	United States	Record high maximum temperature	33.9 C (93.0 F)	13 of 100 (Routine)
Ballan	Australia	Record daily precipitation	11.2 mm (0.4 in)	11 of 100 (Routine)
Smeaton Weir	Australia	Record daily precipitation	10.2 mm (0.4 in)	11 of 100 (Routine)
Ballarat Botanical Gardens	Australia	Record daily precipitation	13.2 mm (0.5 in)	11 of 100 (Routine)
Minneapolis Wb Dwtn	United States	Record high minimum temperature	23.9 C (75.0 F)	11 of 100 (Routine)
Jung Jung	Australia	Record daily precipitation	10.2 mm (0.4 in)	10 of 100 (Routine)
Murrumbeena Leeds Grove	Australia	Record daily precipitation	10.9 mm (0.4 in)	10 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record low minimum temperature	7.5 C (45.5 F)	10 of 100 (Routine)
Elatma	Russia	Record daily precipitation	12.4 mm (0.5 in)	10 of 100 (Routine)
Crookston NW Exp STN	United States	Record high minimum temperature	21.7 C (71.1 F)	9 of 100 (Routine)
Brandon Cda	Canada	Record high minimum temperature	17.2 C (63.0 F)	8 of 100 (Routine)
Kazan	Russia	Record high minimum temperature	20.6 C (69.1 F)	8 of 100 (Routine)
Enisejsk	Russia	Record low minimum temperature	4.2 C (39.6 F)	8 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	38.4 mm (1.5 in)	8 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	11.7 C (53.1 F)	7 of 100 (Routine)
Caulfield (Racecourse)	Australia	Record daily precipitation	8.6 mm (0.34 in)	6 of 100 (Routine)
Escanaba	United States	Record high maximum temperature	30.6 C (87.1 F)	6 of 100 (Routine)
Escanaba	United States	Record high minimum temperature	18.9 C (66.0 F)	6 of 100 (Routine)
Mortlake	Australia	Record daily precipitation	15.2 mm (0.6 in)	3 of 100 (Routine)
White River	Canada	Record high minimum temperature	14.4 C (57.9 F)	3 of 100 (Routine)
Dubuque River	United States	Record high minimum temperature	23.3 C (73.9 F)	3 of 100 (Routine)
Gainesville UNIV of Fl	United States	Record high maximum temperature	38.3 C (100.9 F)	2 of 100 (Routine)
Morgantown 1	United States	Record high maximum temperature	32.2 C (90.0 F)	2 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high minimum temperature	18.9 C (66.0 F)	1 of 100 (Routine)
Tampa	United States	Record high minimum temperature	24.4 C (75.9 F)	1 of 100 (Routine)
London South	Canada	Record high maximum temperature	31.7 C (89.1 F)	0 of 100 (Routine)

Counts by Type and Timescale

52 records

Records set or tied on 17 June 1921 by type: Highest daily maximum 6, Lowest daily maximum 1, Highest daily minimum 13, Lowest daily minimum 4, Heaviest daily rainfall 28.

Records on 17 June 1921 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	1
Highest daily minimum	13
Lowest daily minimum	4
Heaviest daily rainfall	28
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 June 1921 by timescale: all-time 0, monthly 0, daily 52.

How Much Records Were Beaten By

45 broken records

Margins by which the 45 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 44.9. Ties are not counted.

Top 20 by Significance

17 June 1921

Top 20 records on 17 June 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 June 1921	Southampton, CA	daily rain	62.0 mm (2.4 in)	42.7 mm (1.7 in)	44 years	58 of 100 (Notable)
17 June 1921	Horton, US	daily rain	67.3 mm (2.6 in)	44.9 mm (1.8 in)	29 years	43 of 100 (Notable)
17 June 1921	Battunga, AU	daily rain	34.8 mm (1.4 in)	10.9 mm (0.4 in)	22 years	21 of 100 (Routine)
17 June 1921	Bjuraker, SE	daily rain	17.6 mm (0.7 in)	9.2 mm (0.36 in)	28 years	20 of 100 (Routine)
17 June 1921	Willaura (Yarram Park), AU	daily rain	18.3 mm (0.7 in)	11.7 mm (0.5 in)	12 years	20 of 100 (Routine)
17 June 1921	Thorpdale State School, AU	daily rain	21.8 mm (0.9 in)	11.4 mm (0.4 in)	28 years	20 of 100 (Routine)
17 June 1921	Jokkmokk, SE	daily rain	17.1 mm (0.7 in)	5.4 mm (0.21 in)	25 years	20 of 100 (Routine)
17 June 1921	Chatham 2, CA	daily rain	16.5 mm (0.6 in)	6.1 mm (0.24 in)	33 years	20 of 100 (Routine)
17 June 1921	Milwaukee Wb City, US	daily high min	23.3 C (73.9 F)	2.2 C (4.0 F)	33 years	20 of 100 (Routine)
17 June 1921	Barrie, CA	daily rain	20.8 mm (0.8 in)	5.6 mm (0.22 in)	28 years	19 of 100 (Routine)
17 June 1921	Gravenhurst, CA	daily rain	14.5 mm (0.6 in)	6.6 mm (0.26 in)	28 years	19 of 100 (Routine)
17 June 1921	Gembrook, AU	daily rain	18.5 mm (0.7 in)	2.0 mm (0.08 in)	40 years	18 of 100 (Routine)
17 June 1921	Sfax El-Maou, TN	daily low min	12.0 C (53.6 F)	3.0 C (5.4 F)	11 years	18 of 100 (Routine)
17 June 1921	Colac Botanical Gardens, AU	daily rain	20.6 mm (0.8 in)	3.6 mm (0.14 in)	28 years	16 of 100 (Routine)
17 June 1921	Medicine Hat A, CA	daily rain	27.9 mm (1.1 in)	5.8 mm (0.23 in)	23 years	16 of 100 (Routine)
17 June 1921	Halmstad, SE	daily low min	4.0 C (39.2 F)	0.5 C (0.9 F)	36 years	16 of 100 (Routine)
17 June 1921	Madison Wb City, US	daily high min	22.2 C (72.0 F)	1.1 C (2.0 F)	32 years	16 of 100 (Routine)
17 June 1921	Merino (Glenorchy Estate), AU	daily rain	18.8 mm (0.7 in)	4.8 mm (0.19 in)	19 years	15 of 100 (Routine)
17 June 1921	Parry Sound, CA	daily rain	18.0 mm (0.7 in)	2.8 mm (0.11 in)	28 years	15 of 100 (Routine)
17 June 1921	Pennyroyal Creek, AU	daily rain	12.7 mm (0.5 in)	1.8 mm (0.07 in)	31 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

1807 to 1921

Records set or tied on this calendar date in each year from 1807 to 1921. 1921 had 52 records.

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

Records on 06-17 in each year
Year	Records
1807	2
1810	1
1811	1
1830	1
1837	1
1839	1
1840	1
1845	1
1846	1
1848	1
1855	1
1866	2
1867	1
1869	2
1872	1
1873	1
1874	1
1875	1
1878	1
1879	1
1882	3
1883	1
1884	1
1885	3
1886	3
1887	2
1888	2
1889	1
1890	1
1892	3
1894	1
1895	7
1896	3
1897	2
1898	1
1899	2
1900	6
1901	9
1902	4
1903	8
1904	4
1905	12
1906	22
1907	20
1908	26
1909	13
1910	9
1911	22
1912	47
1913	45
1914	101
1915	20
1916	103
1917	68
1918	36
1919	58
1920	79
1921	52
1922	59
1923	110
1924	80
1925	136
1926	193
1927	357
1928	137
1929	238
1930	354
1931	194
1932	257
1933	413
1934	310
1935	338
1936	484
1937	284
1938	245
1939	1,206
1940	454
1941	250
1942	286
1943	289
1944	623
1945	614
1946	419
1947	336
1948	452
1949	571
1950	506
1951	208
1952	752
1953	455
1954	488
1955	570
1956	375
1957	761
1958	597
1959	507
1960	511
1961	1,319
1962	323
1963	383
1964	794
1965	763
1966	464
1967	402
1968	403
1969	700
1970	435
1971	407
1972	437
1973	701
1974	932
1975	453
1976	430
1977	410
1978	589
1979	646
1980	754
1981	1,201
1982	642
1983	728
1984	644
1985	693
1986	912
1987	1,078
1988	712
1989	870
1990	932
1991	1,094
1992	795
1993	684
1994	1,186
1995	1,350
1996	750
1997	1,056
1998	1,661
1999	1,260
2000	1,460
2001	678
2002	1,148
2003	647
2004	839
2005	914
2006	724
2007	839
2008	656
2009	739
2010	1,104
2011	922
2012	792
2013	610
2014	685
2015	1,113
2016	874
2017	692
2018	1,050
2019	551
2020	914
2021	1,980
2022	1,209
2023	617
2024	839
2025	593
2026	743

Download the Data

Data for records on 1921-06-17: 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).

Histogram of margins by which records were beaten on 17 June 1921
Margin	Records
0 to 10	40
10 to 20	3
20 to 30	0
30 to 40	0
40 to 50	2