Weather Records on 20 June 1923

263 weather records were set or tied worldwide on 20 June 1923. Highest significance: Killalpaninna, AU.

Key Facts for 20 June 1923

On 20 June 1923, 263 weather records were set or tied at long-record stations worldwide.
172 were record highs and 42 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 252 daily.
Killalpaninna set a daily record precipitation of 38.1 mm (1.5 in) on 20 June 1923.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 459 records.

Record Map

263 stations

263 station records on 20 June 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Killalpaninna	Australia	Record daily precipitation	38.1 mm (1.5 in)	51 of 100 (Notable)
Cottbus	Germany	Record daily precipitation	30.9 mm (1.2 in)	39 of 100 (Notable)
Booroondara Tank	Australia	Record daily precipitation	54.4 mm (2.1 in)	36 of 100 (Notable)
Toronto	Canada	Record high maximum temperature	33.9 C (93.0 F)	34 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record daily precipitation	39.1 mm (1.5 in)	33 of 100 (Routine)
Uccle	Belgium	Record low maximum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Syfergat (Sar)	South Africa	Record daily precipitation	25.1 mm (1.0 in)	30 of 100 (Routine)
Paragonah	United States	Record low maximum temperature	17.2 C (63.0 F)	28 of 100 (Routine)
Yuma Wb City	United States	Record low maximum temperature	30.0 C (86.0 F)	28 of 100 (Routine)
Buckeye	United States	Record low maximum temperature	30.6 C (87.1 F)	27 of 100 (Routine)
St George	United States	Record low maximum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	37.8 C (100.0 F)	25 of 100 (Routine)
Tunis	Tunisia	Record low minimum temperature	11.0 C (51.8 F)	23 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	35.0 C (95.0 F)	22 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	21.1 C (70.0 F)	22 of 100 (Routine)
Sfax El-Maou	Tunisia	Record low minimum temperature	14.0 C (57.2 F)	22 of 100 (Routine)
Waterbury	United States	Record high minimum temperature	23.9 C (75.0 F)	22 of 100 (Routine)
Winnibigoshish Dam	United States	Record daily precipitation	30.7 mm (1.2 in)	22 of 100 (Routine)
Harrisburg - Coop	United States	Record high maximum temperature	36.7 C (98.1 F)	22 of 100 (Routine)
Stratford	Canada	Record high maximum temperature	31.7 C (89.1 F)	21 of 100 (Routine)
Stratford	Canada	Record high minimum temperature	18.9 C (66.0 F)	21 of 100 (Routine)
Port Jervis	United States	Record high maximum temperature	36.7 C (98.1 F)	21 of 100 (Routine)
Steynsburg	South Africa	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Yardley Chase	South Africa	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Grenfell	Canada	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Tylden "Tulden"	South Africa	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Noupoort	South Africa	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Buffelsfontein 14	South Africa	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Leech Lake	United States	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Cradock	South Africa	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Molteno (Mun)	South Africa	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Hamilton	Canada	Record high maximum temperature	34.4 C (93.9 F)	20 of 100 (Routine)
Halifax	Canada	Record high minimum temperature	17.2 C (63.0 F)	20 of 100 (Routine)
Dordrecht - Tnk 14	South Africa	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Hopetown (Tnk)	South Africa	Record daily precipitation	2.8 mm (0.11 in)	20 of 100 (Routine)
San Bernardino F S 226	United States	Record low maximum temperature	18.9 C (66.0 F)	20 of 100 (Routine)
San Jacinto	United States	Record low maximum temperature	18.9 C (66.0 F)	20 of 100 (Routine)
Berlin-Dahlem	Germany	Record daily precipitation	9.0 mm (0.35 in)	19 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	12.8 C (55.0 F)	19 of 100 (Routine)
Venterstad	South Africa	Record daily precipitation	15.2 mm (0.6 in)	19 of 100 (Routine)
Storrs	United States	Record high minimum temperature	23.3 C (73.9 F)	19 of 100 (Routine)
Vineland	United States	Record daily precipitation	10.7 mm (0.4 in)	19 of 100 (Routine)
Salzburg	Austria	Record low minimum temperature	5.0 C (41.0 F)	18 of 100 (Routine)
Syktyvkar	Russia	Record daily precipitation	14.0 mm (0.6 in)	18 of 100 (Routine)
Karlshamn	Sweden	Record low maximum temperature	13.0 C (55.4 F)	18 of 100 (Routine)
Claremont Pomona Clg	United States	Record low maximum temperature	17.2 C (63.0 F)	18 of 100 (Routine)
Crookston NW Exp STN	United States	Record daily precipitation	28.2 mm (1.1 in)	18 of 100 (Routine)
Vineland	United States	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Huron Rgnl AP	United States	Record high minimum temperature	21.7 C (71.1 F)	18 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	23.9 C (75.0 F)	18 of 100 (Routine)
Boston City WSO	United States	Record high minimum temperature	23.3 C (73.9 F)	18 of 100 (Routine)
Ottawa	Canada	Record high minimum temperature	20.0 C (68.0 F)	17 of 100 (Routine)
Quebec	Canada	Record high minimum temperature	21.1 C (70.0 F)	17 of 100 (Routine)
Enisejsk	Russia	Record low minimum temperature	1.5 C (34.7 F)	17 of 100 (Routine)
Irkutsk	Russia	Record low maximum temperature	6.8 C (44.2 F)	17 of 100 (Routine)
Wellwood	South Africa	Record daily precipitation	16.0 mm (0.6 in)	17 of 100 (Routine)
Paterson	United States	Record high minimum temperature	22.2 C (72.0 F)	17 of 100 (Routine)
Dubuque River	United States	Record high minimum temperature	23.3 C (73.9 F)	17 of 100 (Routine)
Mardie	Australia	Record daily precipitation	5.1 mm (0.20 in)	16 of 100 (Routine)
London South	Canada	Record high maximum temperature	35.0 C (95.0 F)	16 of 100 (Routine)

Counts by Type and Timescale

263 records

Records set or tied on 20 June 1923 by type: Highest daily maximum 77, Lowest daily maximum 29, Highest daily minimum 95, Lowest daily minimum 13, Heaviest daily rainfall 49.

Records on 20 June 1923 by type
Record type	Records
Highest daily maximum	77
Lowest daily maximum	29
Highest daily minimum	95
Lowest daily minimum	13
Heaviest daily rainfall	49
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1923 by timescale: all-time 1, monthly 10, daily 252.

How Much Records Were Beaten By

197 broken records

Margins by which the 197 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.1. Ties are not counted.

Top 20 by Significance

20 June 1923

Top 20 records on 20 June 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1923	Killalpaninna, AU	daily rain	38.1 mm (1.5 in)	38.1 mm (1.5 in)	37 years	51 of 100 (Notable)
20 June 1923	Cottbus, DE	daily rain	30.9 mm (1.2 in)	23.1 mm (0.9 in)	20 years	39 of 100 (Notable)
20 June 1923	Booroondara Tank, AU	daily rain	54.4 mm (2.1 in)	32.8 mm (1.3 in)	12 years	36 of 100 (Notable)
20 June 1923	Toronto, CA	daily high max	33.9 C (93.0 F)	2.8 C (5.0 F)	69 years	34 of 100 (Routine)
20 June 1923	Munchen-Nymphenburg, DE	daily rain	39.1 mm (1.5 in)	17.1 mm (0.7 in)	26 years	33 of 100 (Routine)
20 June 1923	Uccle, BE	daily low max	13.3 C (55.9 F)	0.5 C (0.9 F)	67 years	30 of 100 (Routine)
20 June 1923	Syfergat (Sar), ZA	daily rain	25.1 mm (1.0 in)	23.1 mm (0.9 in)	31 years	30 of 100 (Routine)
20 June 1923	Paragonah, US	daily low max	17.2 C (63.0 F)	7.2 C (13.0 F)	28 years	28 of 100 (Routine)
20 June 1923	Yuma Wb City, US	daily low max	30.0 C (86.0 F)	6.1 C (11.0 F)	28 years	28 of 100 (Routine)
20 June 1923	Buckeye, US	daily low max	30.6 C (87.1 F)	6.1 C (11.0 F)	21 years	27 of 100 (Routine)
20 June 1923	St George, US	daily low max	26.7 C (80.1 F)	6.6 C (11.9 F)	28 years	27 of 100 (Routine)
20 June 1923	Newark Liberty Intl AP, US	monthly high max	37.8 C (100.0 F)	0.6 C (1.1 F)	21 years	25 of 100 (Routine)
20 June 1923	Tunis, TN	daily low min	11.0 C (51.8 F)	3.0 C (5.4 F)	35 years	23 of 100 (Routine)
20 June 1923	Ottawa, CA	daily high max	35.0 C (95.0 F)	1.1 C (2.0 F)	50 years	22 of 100 (Routine)
20 June 1923	Hamilton, CA	daily high min	21.1 C (70.0 F)	1.1 C (2.0 F)	50 years	22 of 100 (Routine)
20 June 1923	Sfax El-Maou, TN	daily low min	14.0 C (57.2 F)	2.0 C (3.6 F)	36 years	22 of 100 (Routine)
20 June 1923	Waterbury, US	daily high min	23.9 C (75.0 F)	5.0 C (9.0 F)	28 years	22 of 100 (Routine)
20 June 1923	Winnibigoshish Dam, US	daily rain	30.7 mm (1.2 in)	20.0 mm (0.8 in)	20 years	22 of 100 (Routine)
20 June 1923	Harrisburg - Coop, US	monthly high max	36.7 C (98.1 F)	0.6 C (1.1 F)	28 years	22 of 100 (Routine)
20 June 1923	Stratford, CA	daily high max	31.7 C (89.1 F)	0.6 C (1.1 F)	50 years	21 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

1800 to 1923

Records set or tied on this calendar date in each year from 1800 to 1923. 1923 had 263 records.

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

Records on 06-20 in each year
Year	Records
1800	1
1803	1
1813	1
1821	2
1838	1
1839	1
1841	1
1844	1
1846	2
1847	1
1850	1
1855	2
1857	1
1861	1
1865	2
1867	1
1869	2
1872	1
1873	1
1877	2
1879	1
1884	1
1886	2
1887	2
1891	2
1892	2
1893	2
1895	4
1896	3
1897	6
1898	3
1899	6
1900	4
1901	5
1902	7
1903	22
1904	13
1905	14
1906	18
1907	10
1908	30
1909	9
1910	27
1911	27
1912	17
1913	30
1914	53
1915	75
1916	83
1917	96
1918	54
1919	67
1920	40
1921	42
1922	61
1923	263
1924	204
1925	483
1926	228
1927	193
1928	199
1929	137
1930	143
1931	536
1932	182
1933	676
1934	301
1935	337
1936	529
1937	412
1938	326
1939	270
1940	469
1941	200
1942	757
1943	447
1944	315
1945	769
1946	849
1947	387
1948	554
1949	314
1950	328
1951	289
1952	318
1953	998
1954	414
1955	291
1956	484
1957	598
1958	603
1959	504
1960	451
1961	836
1962	173
1963	379
1964	729
1965	463
1966	441
1967	687
1968	559
1969	982
1970	482
1971	395
1972	660
1973	553
1974	743
1975	984
1976	899
1977	453
1978	480
1979	727
1980	922
1981	987
1982	801
1983	724
1984	686
1985	811
1986	732
1987	960
1988	1,222
1989	918
1990	899
1991	1,085
1992	1,049
1993	964
1994	925
1995	1,260
1996	1,123
1997	738
1998	1,627
1999	906
2000	1,328
2001	771
2002	955
2003	843
2004	1,071
2005	1,055
2006	820
2007	1,208
2008	669
2009	1,060
2010	865
2011	1,359
2012	1,045
2013	879
2014	381
2015	637
2016	1,352
2017	1,086
2018	635
2019	693
2020	590
2021	1,161
2022	972
2023	1,265
2024	783
2025	944
2026	757

Download the Data

Data for records on 1923-06-20: 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	168
5 to 10	16
10 to 15	2
15 to 20	6
20 to 25	3
25 to 30	0
30 to 35	1
35 to 40	1