Weather Records on 17 June 1923

110 weather records were set or tied worldwide on 17 June 1923. Highest significance: Milan, IT.

Key Facts for 17 June 1923

On 17 June 1923, 110 weather records were set or tied at long-record stations worldwide.
22 were record highs and 44 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 109 daily.
Milan set a daily record low minimum temperature of 9.8 C (49.6 F) on 17 June 1923.
Across 162 earlier years (1807 to 2026) the same calendar date averaged 432 records.

Record Map

110 stations

110 station records on 17 June 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 June 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milan	Italy	Record low minimum temperature	9.8 C (49.6 F)	39 of 100 (Notable)
Havre Wb City	United States	Record daily precipitation	48.5 mm (1.9 in)	39 of 100 (Notable)
Howard	United States	Record daily precipitation	72.6 mm (2.9 in)	30 of 100 (Routine)
Newport	United States	Record daily precipitation	50.8 mm (2.0 in)	28 of 100 (Routine)
Drift Sands (Bos)	South Africa	Record daily precipitation	35.8 mm (1.4 in)	27 of 100 (Routine)
Port Alfred	South Africa	Record daily precipitation	27.2 mm (1.1 in)	25 of 100 (Routine)
Saentis	Switzerland	Record low minimum temperature	-8.9 C (16.0 F)	23 of 100 (Routine)
Fergus Falls	United States	Record daily precipitation	33.5 mm (1.3 in)	21 of 100 (Routine)
Yerevan	Armenia	Record daily precipitation	10.8 mm (0.4 in)	20 of 100 (Routine)
Helena Wb City	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Pella	South Africa	Record daily precipitation	3.3 mm (0.13 in)	20 of 100 (Routine)
Magdeburg	Germany	Record daily precipitation	21.9 mm (0.9 in)	20 of 100 (Routine)
Dinby	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Malvern	United States	Record daily precipitation	43.2 mm (1.7 in)	19 of 100 (Routine)
Covington 8 WNW	United States	Record daily precipitation	38.1 mm (1.5 in)	19 of 100 (Routine)
Berlin-Dahlem	Germany	Record low maximum temperature	12.0 C (53.6 F)	18 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low maximum temperature	11.0 C (51.8 F)	18 of 100 (Routine)
Barkly West (Tnk)	South Africa	Record daily precipitation	1.8 mm (0.07 in)	18 of 100 (Routine)
St Cloud State Clg	United States	Record daily precipitation	20.6 mm (0.8 in)	18 of 100 (Routine)
Karlsruhe	Germany	Record low maximum temperature	11.3 C (52.3 F)	17 of 100 (Routine)
Bamberg	Germany	Record low maximum temperature	13.3 C (55.9 F)	17 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low maximum temperature	10.4 C (50.7 F)	17 of 100 (Routine)
Jena Sternwarte	Germany	Record low maximum temperature	12.6 C (54.7 F)	17 of 100 (Routine)
Nurnberg	Germany	Record low maximum temperature	12.0 C (53.6 F)	17 of 100 (Routine)
Altastenberg	Germany	Record low maximum temperature	6.2 C (43.2 F)	17 of 100 (Routine)
Ferrara	Italy	Record daily precipitation	17.0 mm (0.7 in)	17 of 100 (Routine)
Kokstad	South Africa	Record daily precipitation	3.3 mm (0.13 in)	17 of 100 (Routine)
Armagh	United Kingdom	Record low minimum temperature	3.9 C (39.0 F)	17 of 100 (Routine)
Lynnville 4 SSW	United States	Record daily precipitation	19.1 mm (0.8 in)	17 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record low minimum temperature	15.0 C (59.0 F)	16 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	12.1 C (53.8 F)	16 of 100 (Routine)
Montevideo 1SW	United States	Record daily precipitation	26.4 mm (1.0 in)	16 of 100 (Routine)
Lexington	United States	Record high minimum temperature	20.6 C (69.1 F)	16 of 100 (Routine)
Ravenna	United States	Record high minimum temperature	21.1 C (70.0 F)	16 of 100 (Routine)
Yathong	Australia	Record daily precipitation	14.2 mm (0.6 in)	15 of 100 (Routine)
Portland	Australia	Record daily precipitation	20.3 mm (0.8 in)	15 of 100 (Routine)
Hohenpeissenberg	Germany	Record low minimum temperature	-0.3 C (31.5 F)	15 of 100 (Routine)
Cottbus	Germany	Record low maximum temperature	12.5 C (54.5 F)	15 of 100 (Routine)
Plauen	Germany	Record low maximum temperature	11.7 C (53.1 F)	15 of 100 (Routine)
Knysna (Tnk)	South Africa	Record daily precipitation	20.3 mm (0.8 in)	15 of 100 (Routine)
Brookings 2 NE	United States	Record daily precipitation	34.3 mm (1.4 in)	15 of 100 (Routine)
Wentworth Post Office	Australia	Record daily precipitation	5.1 mm (0.20 in)	14 of 100 (Routine)
Sonnblick	Austria	Record low minimum temperature	-11.3 C (11.7 F)	14 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	20.0 C (68.0 F)	14 of 100 (Routine)
Jacobsdal (Pol)	South Africa	Record daily precipitation	1.3 mm (0.05 in)	14 of 100 (Routine)
Potsdam	Germany	Record low maximum temperature	11.2 C (52.2 F)	13 of 100 (Routine)
Husum	Germany	Record low maximum temperature	13.1 C (55.6 F)	13 of 100 (Routine)
Humansdorp (Pol)	South Africa	Record daily precipitation	19.6 mm (0.8 in)	13 of 100 (Routine)
Kamiesberg	South Africa	Record daily precipitation	26.7 mm (1.1 in)	13 of 100 (Routine)
Donaldsonville 4 SW	United States	Record daily precipitation	22.4 mm (0.9 in)	13 of 100 (Routine)
St Peter	United States	Record daily precipitation	28.2 mm (1.1 in)	13 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record daily precipitation	19.1 mm (0.8 in)	13 of 100 (Routine)
Paragonah	United States	Record low minimum temperature	-1.7 C (28.9 F)	13 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low maximum temperature	21.0 C (69.8 F)	12 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record low minimum temperature	5.0 C (41.0 F)	12 of 100 (Routine)
Muncheberg	Germany	Record daily precipitation	28.4 mm (1.1 in)	12 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	39.6 mm (1.6 in)	12 of 100 (Routine)
Blakely	United States	Record daily precipitation	10.7 mm (0.4 in)	12 of 100 (Routine)
Franklin	United States	Record high minimum temperature	21.1 C (70.0 F)	12 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high maximum temperature	35.6 C (96.1 F)	12 of 100 (Routine)

Counts by Type and Timescale

110 records

Records set or tied on 17 June 1923 by type: Highest daily maximum 5, Lowest daily maximum 27, Highest daily minimum 17, Lowest daily minimum 17, Heaviest daily rainfall 44.

Records on 17 June 1923 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	27
Highest daily minimum	17
Lowest daily minimum	17
Heaviest daily rainfall	44
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 June 1923 by timescale: all-time 0, monthly 1, daily 109.

How Much Records Were Beaten By

92 broken records

Margins by which the 92 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 29.2. Ties are not counted.

Top 20 by Significance

17 June 1923

Top 20 records on 17 June 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 June 1923	Milan, IT	daily low min	9.8 C (49.6 F)	0.8 C (1.4 F)	92 years	39 of 100 (Notable)
17 June 1923	Havre Wb City, US	daily rain	48.5 mm (1.9 in)	23.1 mm (0.9 in)	25 years	39 of 100 (Notable)
17 June 1923	Howard, US	daily rain	72.6 mm (2.9 in)	29.2 mm (1.1 in)	16 years	30 of 100 (Routine)
17 June 1923	Newport, US	daily rain	50.8 mm (2.0 in)	19.0 mm (0.7 in)	33 years	28 of 100 (Routine)
17 June 1923	Drift Sands (Bos), ZA	daily rain	35.8 mm (1.4 in)	17.5 mm (0.7 in)	10 years	27 of 100 (Routine)
17 June 1923	Port Alfred, ZA	daily rain	27.2 mm (1.1 in)	15.0 mm (0.6 in)	38 years	25 of 100 (Routine)
17 June 1923	Saentis, CH	monthly low min	-8.9 C (16.0 F)	1.1 C (2.0 F)	21 years	23 of 100 (Routine)
17 June 1923	Fergus Falls, US	daily rain	33.5 mm (1.3 in)	15.5 mm (0.6 in)	25 years	21 of 100 (Routine)
17 June 1923	Yerevan, AM	daily rain	10.8 mm (0.4 in)	6.5 mm (0.26 in)	26 years	20 of 100 (Routine)
17 June 1923	Helena Wb City, US	daily rain	14.2 mm (0.6 in)	10.9 mm (0.4 in)	25 years	20 of 100 (Routine)
17 June 1923	Pella, ZA	daily rain	3.3 mm (0.13 in)	3.3 mm (0.13 in)	44 years	20 of 100 (Routine)
17 June 1923	Magdeburg, DE	daily rain	21.9 mm (0.9 in)	6.2 mm (0.24 in)	18 years	20 of 100 (Routine)
17 June 1923	Dinby, AU	daily rain	7.6 mm (0.30 in)	7.6 mm (0.30 in)	36 years	20 of 100 (Routine)
17 June 1923	Malvern, US	daily rain	43.2 mm (1.7 in)	22.1 mm (0.9 in)	8 years	19 of 100 (Routine)
17 June 1923	Covington 8 WNW, US	daily rain	38.1 mm (1.5 in)	24.1 mm (0.9 in)	8 years	19 of 100 (Routine)
17 June 1923	Berlin-Dahlem, DE	daily low max	12.0 C (53.6 F)	1.6 C (2.9 F)	36 years	18 of 100 (Routine)
17 June 1923	Heinersreuth-Vollhof, DE	daily low max	11.0 C (51.8 F)	1.8 C (3.2 F)	38 years	18 of 100 (Routine)
17 June 1923	Barkly West (Tnk), ZA	daily rain	1.8 mm (0.07 in)	1.8 mm (0.07 in)	38 years	18 of 100 (Routine)
17 June 1923	St Cloud State Clg, US	daily rain	20.6 mm (0.8 in)	13.0 mm (0.5 in)	17 years	18 of 100 (Routine)
17 June 1923	Karlsruhe, DE	daily low max	11.3 C (52.3 F)	1.2 C (2.2 F)	36 years	17 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 1923

Records set or tied on this calendar date in each year from 1807 to 1923. 1923 had 110 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 1923-06-17: 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 5	69
5 to 10	8
10 to 15	6
15 to 20	5
20 to 25	3
25 to 30	1