Weather Records on 17 June 1920

79 weather records were set or tied worldwide on 17 June 1920. Highest significance: Genoa, IT.

Key Facts for 17 June 1920

On 17 June 1920, 79 weather records were set or tied at long-record stations worldwide.
9 were record highs and 7 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 1 monthly and 77 daily.
Genoa set a daily record precipitation of 84.0 mm (3.3 in) on 17 June 1920.
Across 162 earlier years (1807 to 2026) the same calendar date averaged 433 records.

Record Map

79 stations

79 station records on 17 June 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 June 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Genoa	Italy	Record daily precipitation	84.0 mm (3.3 in)	67 of 100 (Major)
Lock #4	United States	Record daily precipitation	100.3 mm (3.9 in)	50 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	57.2 mm (2.3 in)	35 of 100 (Notable)
State College	United States	Record daily precipitation	53.8 mm (2.1 in)	32 of 100 (Routine)
Hohenpeissenberg	Germany	Record daily precipitation	36.9 mm (1.5 in)	31 of 100 (Routine)
Uman	Ukraine	Record daily precipitation	31.5 mm (1.2 in)	30 of 100 (Routine)
Harrisburg - Coop	United States	Record daily precipitation	39.6 mm (1.6 in)	29 of 100 (Routine)
Wirrabara Forest	Australia	Record daily precipitation	43.4 mm (1.7 in)	24 of 100 (Routine)
Port Stanley	Canada	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Inverell Comparison	Australia	Record low maximum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	41.4 mm (1.6 in)	23 of 100 (Routine)
Reading Wb City	United States	Record daily precipitation	33.5 mm (1.3 in)	22 of 100 (Routine)
Toledo Blade	United States	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Kooba	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Narrandera Post Office	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Marrar (Centenary Drive)	Australia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Mundarlo (Yabtree)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Eurongilly (Bundaleer)	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Wantiool (Caithness)	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Borambola	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Dirranbandi High School	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Blinman	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Yanco (Billinbah East)	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Jamestown	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Wirrabara	Australia	Record daily precipitation	18.3 mm (0.7 in)	18 of 100 (Routine)
Narrandera (Back Brewarrena)	Australia	Record daily precipitation	10.9 mm (0.4 in)	18 of 100 (Routine)
Coolamon Post Office	Australia	Record daily precipitation	15.2 mm (0.6 in)	18 of 100 (Routine)
Hamilton	Canada	Record daily precipitation	17.8 mm (0.7 in)	18 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high maximum temperature	21.7 C (71.1 F)	18 of 100 (Routine)
Gobarralong	Australia	Record daily precipitation	12.7 mm (0.5 in)	17 of 100 (Routine)
Woodford Post Office	Australia	Record daily precipitation	23.9 mm (0.9 in)	16 of 100 (Routine)
Cottam	Canada	Record daily precipitation	33.0 mm (1.3 in)	16 of 100 (Routine)
Blue Hill Coop	United States	Record low maximum temperature	9.4 C (48.9 F)	16 of 100 (Routine)
Buffalo	United States	Record daily precipitation	14.0 mm (0.6 in)	16 of 100 (Routine)
Bundaleer Forest Reserve	Australia	Record daily precipitation	25.4 mm (1.0 in)	15 of 100 (Routine)
Grong Grong (Berembed)	Australia	Record daily precipitation	14.0 mm (0.6 in)	15 of 100 (Routine)
Quorn	Australia	Record daily precipitation	13.2 mm (0.5 in)	14 of 100 (Routine)
Amcor - Petrie Mill	Australia	Record daily precipitation	20.3 mm (0.8 in)	14 of 100 (Routine)
Barellan Post Office	Australia	Record daily precipitation	6.1 mm (0.24 in)	14 of 100 (Routine)
Edmonton	Canada	Record daily precipitation	30.2 mm (1.2 in)	14 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record daily precipitation	30.5 mm (1.2 in)	14 of 100 (Routine)
Normanton Post Office	Australia	Record daily precipitation	3.6 mm (0.14 in)	13 of 100 (Routine)
Colinroobie	Australia	Record daily precipitation	9.7 mm (0.38 in)	13 of 100 (Routine)
Thelangerin East	Australia	Record daily precipitation	5.8 mm (0.23 in)	13 of 100 (Routine)
Hay (Toogimbie)	Australia	Record daily precipitation	4.8 mm (0.19 in)	13 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	30.7 mm (1.2 in)	13 of 100 (Routine)
Yamma	Australia	Record daily precipitation	7.1 mm (0.28 in)	12 of 100 (Routine)
Benerembah	Australia	Record daily precipitation	13.2 mm (0.5 in)	11 of 100 (Routine)
Tunis	Tunisia	Record high maximum temperature	37.0 C (98.6 F)	11 of 100 (Routine)
Blue Hill Coop	United States	Record low minimum temperature	6.7 C (44.1 F)	11 of 100 (Routine)
Bollon Mary St	Australia	Record daily precipitation	8.9 mm (0.35 in)	10 of 100 (Routine)
Agassiz Cda	Canada	Record daily precipitation	26.9 mm (1.1 in)	10 of 100 (Routine)
Chicoutimi	Canada	Record low minimum temperature	-0.6 C (30.9 F)	10 of 100 (Routine)
Inglewood Post Office	Australia	Record daily precipitation	11.2 mm (0.4 in)	9 of 100 (Routine)
Urana (Cocketgedong)	Australia	Record daily precipitation	7.6 mm (0.30 in)	9 of 100 (Routine)
Caboolture Post Office	Australia	Record daily precipitation	17.0 mm (0.7 in)	8 of 100 (Routine)
Nanango Wills St	Australia	Record daily precipitation	20.3 mm (0.8 in)	8 of 100 (Routine)
Mount Elliot Tank	Australia	Record daily precipitation	10.2 mm (0.4 in)	8 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high maximum temperature	35.0 C (95.0 F)	8 of 100 (Routine)

Counts by Type and Timescale

79 records

Records set or tied on 17 June 1920 by type: Highest daily maximum 4, Lowest daily maximum 4, Highest daily minimum 5, Lowest daily minimum 3, Heaviest daily rainfall 63.

Records on 17 June 1920 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	4
Highest daily minimum	5
Lowest daily minimum	3
Heaviest daily rainfall	63
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 June 1920 by timescale: all-time 1, monthly 1, daily 77.

How Much Records Were Beaten By

68 broken records

Margins by which the 68 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.5. Ties are not counted.

Top 20 by Significance

17 June 1920

Top 20 records on 17 June 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 June 1920	Genoa, IT	daily rain	84.0 mm (3.3 in)	62.5 mm (2.5 in)	63 years	67 of 100 (Major)
17 June 1920	Lock #4, US	all-time rain	100.3 mm (3.9 in)	17.0 mm (0.7 in)	31 years	50 of 100 (Notable)
17 June 1920	Adrian 2 NNE, US	daily rain	57.2 mm (2.3 in)	40.7 mm (1.6 in)	9 years	35 of 100 (Notable)
17 June 1920	State College, US	daily rain	53.8 mm (2.1 in)	30.2 mm (1.2 in)	11 years	32 of 100 (Routine)
17 June 1920	Hohenpeissenberg, DE	daily rain	36.9 mm (1.5 in)	5.2 mm (0.20 in)	55 years	31 of 100 (Routine)
17 June 1920	Uman, UA	daily rain	31.5 mm (1.2 in)	16.5 mm (0.6 in)	32 years	30 of 100 (Routine)
17 June 1920	Harrisburg - Coop, US	daily rain	39.6 mm (1.6 in)	21.6 mm (0.9 in)	10 years	29 of 100 (Routine)
17 June 1920	Wirrabara Forest, AU	daily rain	43.4 mm (1.7 in)	16.0 mm (0.6 in)	14 years	24 of 100 (Routine)
17 June 1920	Port Stanley, CA	daily rain	25.9 mm (1.0 in)	8.9 mm (0.35 in)	28 years	24 of 100 (Routine)
17 June 1920	Inverell Comparison, AU	monthly low max	4.4 C (39.9 F)	0.7 C (1.3 F)	23 years	23 of 100 (Routine)
17 June 1920	Port Jervis, US	daily rain	41.4 mm (1.6 in)	20.1 mm (0.8 in)	4 years	23 of 100 (Routine)
17 June 1920	Reading Wb City, US	daily rain	33.5 mm (1.3 in)	8.4 mm (0.33 in)	30 years	22 of 100 (Routine)
17 June 1920	Toledo Blade, US	daily rain	35.6 mm (1.4 in)	2.8 mm (0.11 in)	48 years	21 of 100 (Routine)
17 June 1920	Kooba, AU	daily rain	21.8 mm (0.9 in)	15.4 mm (0.6 in)	30 years	20 of 100 (Routine)
17 June 1920	Narrandera Post Office, AU	daily rain	17.8 mm (0.7 in)	14.2 mm (0.6 in)	34 years	20 of 100 (Routine)
17 June 1920	Marrar (Centenary Drive), AU	daily rain	17.5 mm (0.7 in)	12.7 mm (0.5 in)	29 years	20 of 100 (Routine)
17 June 1920	Mundarlo (Yabtree), AU	daily rain	17.8 mm (0.7 in)	9.4 mm (0.37 in)	37 years	20 of 100 (Routine)
17 June 1920	Eurongilly (Bundaleer), AU	daily rain	21.3 mm (0.8 in)	12.4 mm (0.5 in)	26 years	20 of 100 (Routine)
17 June 1920	Wantiool (Caithness), AU	daily rain	19.8 mm (0.8 in)	10.7 mm (0.4 in)	27 years	20 of 100 (Routine)
17 June 1920	Borambola, AU	daily rain	14.0 mm (0.6 in)	8.7 mm (0.34 in)	30 years	20 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 1920

Records set or tied on this calendar date in each year from 1807 to 1920. 1920 had 79 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 1920-06-17: 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).

Margin	Records
0 to 10	52
10 to 20	11
20 to 30	2
30 to 40	1
40 to 50	1
50 to 60	0
60 to 70	1