Weather Records on 20 June 1945

769 weather records were set or tied worldwide on 20 June 1945. Highest significance: Biamble, AU.

Key Facts for 20 June 1945

On 20 June 1945, 769 weather records were set or tied at long-record stations worldwide.
134 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 30 monthly and 739 daily.
Biamble set a monthly record daily precipitation of 73.7 mm (2.9 in) on 20 June 1945.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 456 records.

Record Map

769 stations

769 station records on 20 June 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Biamble	Australia	Record daily precipitation	73.7 mm (2.9 in)	64 of 100 (Major)
Mount Macedon	Australia	Record daily precipitation	55.4 mm (2.2 in)	63 of 100 (Major)
Booleroo (Wimont)	Australia	Record daily precipitation	54.6 mm (2.1 in)	62 of 100 (Major)
Hawker	Australia	Record daily precipitation	62.2 mm (2.4 in)	62 of 100 (Major)
Johnburgh Post Office	Australia	Record daily precipitation	38.1 mm (1.5 in)	62 of 100 (Major)
Quorn	Australia	Record daily precipitation	57.9 mm (2.3 in)	62 of 100 (Major)
Wilmington	Australia	Record daily precipitation	49.8 mm (2.0 in)	62 of 100 (Major)
Quorn (Depot Flat)	Australia	Record daily precipitation	66.5 mm (2.6 in)	59 of 100 (Notable)
Quorn (Round Hill)	Australia	Record daily precipitation	46.5 mm (1.8 in)	59 of 100 (Notable)
Woomera (South Gap Station)	Australia	Record daily precipitation	34.0 mm (1.3 in)	58 of 100 (Notable)
Cradock	Australia	Record daily precipitation	54.9 mm (2.2 in)	58 of 100 (Notable)
Port Germein	Australia	Record daily precipitation	28.2 mm (1.1 in)	57 of 100 (Notable)
Terowie	Australia	Record daily precipitation	46.7 mm (1.8 in)	57 of 100 (Notable)
Waikerie	Australia	Record daily precipitation	25.7 mm (1.0 in)	57 of 100 (Notable)
Quorn (Olive Grove)	Australia	Record daily precipitation	55.1 mm (2.2 in)	56 of 100 (Notable)
Peterborough	Australia	Record daily precipitation	51.1 mm (2.0 in)	56 of 100 (Notable)
Gladstone	Australia	Record daily precipitation	28.4 mm (1.1 in)	56 of 100 (Notable)
Leichardt	Australia	Record daily precipitation	36.8 mm (1.4 in)	56 of 100 (Notable)
Bookaloo	Australia	Record daily precipitation	29.7 mm (1.2 in)	54 of 100 (Notable)
Belton (Shadow Vale)	Australia	Record daily precipitation	45.7 mm (1.8 in)	54 of 100 (Notable)
Carrieton (Eurelia)	Australia	Record daily precipitation	46.0 mm (1.8 in)	54 of 100 (Notable)
Hookina	Australia	Record daily precipitation	50.8 mm (2.0 in)	54 of 100 (Notable)
Carrieton (Yackara)	Australia	Record daily precipitation	66.0 mm (2.6 in)	54 of 100 (Notable)
Bruce	Australia	Record daily precipitation	50.5 mm (2.0 in)	53 of 100 (Notable)
Melrose	Australia	Record daily precipitation	48.3 mm (1.9 in)	53 of 100 (Notable)
Trentham (Post Office)	Australia	Record daily precipitation	56.6 mm (2.2 in)	53 of 100 (Notable)
Booleroo Centre	Australia	Record daily precipitation	54.1 mm (2.1 in)	52 of 100 (Notable)
Port Augusta Post Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	52 of 100 (Notable)
Ucolta Post Office	Australia	Record daily precipitation	33.8 mm (1.3 in)	51 of 100 (Notable)
Loxton	Australia	Record daily precipitation	26.2 mm (1.0 in)	51 of 100 (Notable)
Wynyard State School	Australia	Record daily precipitation	43.7 mm (1.7 in)	51 of 100 (Notable)
Vouziers	France	Record daily precipitation	34.5 mm (1.4 in)	51 of 100 (Notable)
Moorarie	Australia	Record daily precipitation	26.2 mm (1.0 in)	49 of 100 (Notable)
Caltowie	Australia	Record daily precipitation	27.9 mm (1.1 in)	49 of 100 (Notable)
Port Augusta (Nectar Brook)	Australia	Record daily precipitation	25.9 mm (1.0 in)	48 of 100 (Notable)
Coliban Upper	Australia	Record daily precipitation	39.6 mm (1.6 in)	48 of 100 (Notable)
Bratsk	Russia	Record daily precipitation	45.8 mm (1.8 in)	48 of 100 (Notable)
Coober Pedy (McDouall Peak)	Australia	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
Pimba	Australia	Record daily precipitation	26.9 mm (1.1 in)	47 of 100 (Notable)
Commodore	Australia	Record daily precipitation	26.2 mm (1.0 in)	47 of 100 (Notable)
Moorook	Australia	Record daily precipitation	25.9 mm (1.0 in)	47 of 100 (Notable)
Castra Central	Australia	Record daily precipitation	72.4 mm (2.9 in)	47 of 100 (Notable)
Appila	Australia	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Orroroo (Kylmorn)	Australia	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Karmala	India	Record daily precipitation	110.5 mm (4.4 in)	46 of 100 (Notable)
Amyton (Pinda Section 63)	Australia	Record daily precipitation	56.4 mm (2.2 in)	45 of 100 (Notable)
Yatina	Australia	Record daily precipitation	48.3 mm (1.9 in)	45 of 100 (Notable)
Southern Pines 2 W	United States	Record daily precipitation	76.7 mm (3.0 in)	45 of 100 (Notable)
Port Augusta West	Australia	Record daily precipitation	25.9 mm (1.0 in)	44 of 100 (Notable)
Gladstone (Booyoolee)	Australia	Record daily precipitation	25.7 mm (1.0 in)	44 of 100 (Notable)
Yacka	Australia	Record daily precipitation	28.4 mm (1.1 in)	44 of 100 (Notable)
Mannanarie Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	43 of 100 (Notable)
Hallett (Ulooloo Railway Sidin	Australia	Record daily precipitation	38.9 mm (1.5 in)	43 of 100 (Notable)
Kingston on Murray	Australia	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Woodend (Carlisle Street)	Australia	Record daily precipitation	37.3 mm (1.5 in)	43 of 100 (Notable)
Eberys	Australia	Record daily precipitation	27.9 mm (1.1 in)	42 of 100 (Notable)
Blue Hill Coop	United States	Record daily precipitation	66.3 mm (2.6 in)	42 of 100 (Notable)
Woomera (Arcoona)	Australia	Record daily precipitation	29.5 mm (1.2 in)	41 of 100 (Notable)
Kindred (Invergordon)	Australia	Record daily precipitation	71.6 mm (2.8 in)	41 of 100 (Notable)
Luz (Estacao)	Brazil	Record daily precipitation	78.7 mm (3.1 in)	41 of 100 (Notable)

Counts by Type and Timescale

769 records

Records set or tied on 20 June 1945 by type: Highest daily maximum 72, Lowest daily maximum 17, Highest daily minimum 62, Lowest daily minimum 53, Heaviest daily rainfall 565.

Records on 20 June 1945 by type
Record type	Records
Highest daily maximum	72
Lowest daily maximum	17
Highest daily minimum	62
Lowest daily minimum	53
Heaviest daily rainfall	565
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1945 by timescale: all-time 0, monthly 30, daily 739.

How Much Records Were Beaten By

668 broken records

Margins by which the 668 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 81.2. Ties are not counted.

Top 20 by Significance

20 June 1945

Top 20 records on 20 June 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1945	Biamble, AU	monthly rain	73.7 mm (2.9 in)	28.0 mm (1.1 in)	46 years	64 of 100 (Major)
20 June 1945	Mount Macedon, AU	daily rain	55.4 mm (2.2 in)	28.7 mm (1.1 in)	56 years	63 of 100 (Major)
20 June 1945	Booleroo (Wimont), AU	daily rain	54.6 mm (2.1 in)	41.9 mm (1.6 in)	54 years	62 of 100 (Major)
20 June 1945	Hawker, AU	daily rain	62.2 mm (2.4 in)	57.9 mm (2.3 in)	54 years	62 of 100 (Major)
20 June 1945	Johnburgh Post Office, AU	daily rain	38.1 mm (1.5 in)	33.8 mm (1.3 in)	54 years	62 of 100 (Major)
20 June 1945	Quorn, AU	daily rain	57.9 mm (2.3 in)	45.2 mm (1.8 in)	54 years	62 of 100 (Major)
20 June 1945	Wilmington, AU	daily rain	49.8 mm (2.0 in)	36.8 mm (1.4 in)	54 years	62 of 100 (Major)
20 June 1945	Quorn (Depot Flat), AU	daily rain	66.5 mm (2.6 in)	53.3 mm (2.1 in)	44 years	59 of 100 (Notable)
20 June 1945	Quorn (Round Hill), AU	daily rain	46.5 mm (1.8 in)	34.1 mm (1.3 in)	45 years	59 of 100 (Notable)
20 June 1945	Woomera (South Gap Station), AU	daily rain	34.0 mm (1.3 in)	31.7 mm (1.2 in)	40 years	58 of 100 (Notable)
20 June 1945	Cradock, AU	daily rain	54.9 mm (2.2 in)	50.3 mm (2.0 in)	45 years	58 of 100 (Notable)
20 June 1945	Port Germein, AU	daily rain	28.2 mm (1.1 in)	21.6 mm (0.9 in)	54 years	57 of 100 (Notable)
20 June 1945	Terowie, AU	monthly rain	46.7 mm (1.8 in)	13.7 mm (0.5 in)	39 years	57 of 100 (Notable)
20 June 1945	Waikerie, AU	daily rain	25.7 mm (1.0 in)	21.4 mm (0.8 in)	40 years	57 of 100 (Notable)
20 June 1945	Quorn (Olive Grove), AU	daily rain	55.1 mm (2.2 in)	36.0 mm (1.4 in)	45 years	56 of 100 (Notable)
20 June 1945	Peterborough, AU	monthly rain	51.1 mm (2.0 in)	13.0 mm (0.5 in)	39 years	56 of 100 (Notable)
20 June 1945	Gladstone, AU	daily rain	28.4 mm (1.1 in)	20.5 mm (0.8 in)	34 years	56 of 100 (Notable)
20 June 1945	Leichardt, AU	daily rain	36.8 mm (1.4 in)	24.1 mm (0.9 in)	40 years	56 of 100 (Notable)
20 June 1945	Bookaloo, AU	daily rain	29.7 mm (1.2 in)	28.7 mm (1.1 in)	40 years	54 of 100 (Notable)
20 June 1945	Belton (Shadow Vale), AU	daily rain	45.7 mm (1.8 in)	41.1 mm (1.6 in)	28 years	54 of 100 (Notable)

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 1945

Records set or tied on this calendar date in each year from 1800 to 1945. 1945 had 769 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 1945-06-20: 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).

Histogram of margins by which records were beaten on 20 June 1945
Margin	Records
0 to 20	582
20 to 40	66
40 to 60	16
60 to 80	3
80 to 100	1