Weather Records on 30 June 1920

319 weather records were set or tied worldwide on 30 June 1920. Highest significance: Boolcarrol, AU.

Key Facts for 30 June 1920

On 30 June 1920, 319 weather records were set or tied at long-record stations worldwide.
23 were record highs and 1 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 58 monthly and 258 daily.
Boolcarrol set a monthly record daily precipitation of 99.1 mm (3.9 in) on 30 June 1920.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 450 records.

Record Map

319 stations

319 station records on 30 June 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boolcarrol	Australia	Record daily precipitation	99.1 mm (3.9 in)	64 of 100 (Major)
Wee Waa (George St)	Australia	Record daily precipitation	123.2 mm (4.9 in)	62 of 100 (Major)
Louth (Bloxham Street)	Australia	Record daily precipitation	62.7 mm (2.5 in)	59 of 100 (Notable)
Walgett (Euroka)	Australia	Record daily precipitation	77.5 mm (3.1 in)	58 of 100 (Notable)
Barraba Post Office	Australia	Record daily precipitation	93.5 mm (3.7 in)	57 of 100 (Notable)
Narrabri Bowling Club	Australia	Record daily precipitation	113.0 mm (4.4 in)	56 of 100 (Notable)
Bingara Post Office	Australia	Record daily precipitation	72.6 mm (2.9 in)	55 of 100 (Notable)
Denman (Martindale)	Australia	Record daily precipitation	53.3 mm (2.1 in)	55 of 100 (Notable)
Neilrex (Caigan)	Australia	Record daily precipitation	41.7 mm (1.6 in)	55 of 100 (Notable)
Llangollen	Australia	Record daily precipitation	42.9 mm (1.7 in)	54 of 100 (Notable)
Dinby	Australia	Record daily precipitation	97.8 mm (3.9 in)	53 of 100 (Notable)
Guyra Post Office	Australia	Record daily precipitation	78.2 mm (3.1 in)	53 of 100 (Notable)
Enngonia (Belalie)	Australia	Record daily precipitation	81.8 mm (3.2 in)	52 of 100 (Notable)
Biamble	Australia	Record daily precipitation	33.0 mm (1.3 in)	52 of 100 (Notable)
Mendooran Post Office	Australia	Record daily precipitation	41.4 mm (1.6 in)	52 of 100 (Notable)
Coolah (Binnia St)	Australia	Record daily precipitation	48.3 mm (1.9 in)	52 of 100 (Notable)
Coronga Downs	Australia	Record daily precipitation	37.8 mm (1.5 in)	51 of 100 (Notable)
Barraba (Mount Lindsay)	Australia	Record daily precipitation	129.5 mm (5.1 in)	51 of 100 (Notable)
Moree Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	50 of 100 (Notable)
Waverley (Belltrees 2)	Australia	Record daily precipitation	38.1 mm (1.5 in)	50 of 100 (Notable)
Quabathoo	Australia	Record daily precipitation	41.9 mm (1.6 in)	47 of 100 (Notable)
Athol 1	Australia	Record daily precipitation	36.6 mm (1.4 in)	47 of 100 (Notable)
The Olives	Australia	Record daily precipitation	45.5 mm (1.8 in)	47 of 100 (Notable)
Bourke Post Office	Australia	Record daily precipitation	33.5 mm (1.3 in)	46 of 100 (Notable)
Manilla Post Office	Australia	Record daily precipitation	68.3 mm (2.7 in)	46 of 100 (Notable)
Willow Tree (Valais)	Australia	Record daily precipitation	51.1 mm (2.0 in)	46 of 100 (Notable)
Premer Post Office	Australia	Record daily precipitation	49.8 mm (2.0 in)	46 of 100 (Notable)
Coonabarabran (Namoi Street)	Australia	Record daily precipitation	39.6 mm (1.6 in)	46 of 100 (Notable)
Bird Rocks	Canada	Record daily precipitation	101.6 mm (4.0 in)	46 of 100 (Notable)
Barringun	Australia	Record daily precipitation	53.3 mm (2.1 in)	45 of 100 (Notable)
Quirindi Post Office	Australia	Record daily precipitation	57.4 mm (2.3 in)	45 of 100 (Notable)
Blackville (Krui Vale)	Australia	Record daily precipitation	85.1 mm (3.4 in)	45 of 100 (Notable)
Merriwa (Gummun Place)	Australia	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
Jerrys Plains Post Office	Australia	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
Rotherwood	Australia	Record daily precipitation	41.7 mm (1.6 in)	45 of 100 (Notable)
Dunlop	Australia	Record daily precipitation	64.5 mm (2.5 in)	44 of 100 (Notable)
Enngonia (Morton Plains)	Australia	Record daily precipitation	60.2 mm (2.4 in)	44 of 100 (Notable)
Dandaloo (Kelvin)	Australia	Record daily precipitation	28.4 mm (1.1 in)	44 of 100 (Notable)
Neba Coonamble	Australia	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Gunnedah Pool	Australia	Record daily precipitation	57.2 mm (2.3 in)	44 of 100 (Notable)
Binnaway (Hawthorne)	Australia	Record daily precipitation	41.7 mm (1.6 in)	44 of 100 (Notable)
Lila Lower	Australia	Record daily precipitation	46.2 mm (1.8 in)	43 of 100 (Notable)
Brewarrina (Talawanta)	Australia	Record daily precipitation	51.8 mm (2.0 in)	43 of 100 (Notable)
Angledool (Angledool Station)	Australia	Record daily precipitation	76.2 mm (3.0 in)	43 of 100 (Notable)
Gilgoin	Australia	Record daily precipitation	40.9 mm (1.6 in)	43 of 100 (Notable)
Urawilkie	Australia	Record daily precipitation	90.7 mm (3.6 in)	43 of 100 (Notable)
Walma	Australia	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Cuerindi	Australia	Record daily precipitation	66.8 mm (2.6 in)	43 of 100 (Notable)
Bomera	Australia	Record daily precipitation	38.4 mm (1.5 in)	43 of 100 (Notable)
Cowra Post Office	Australia	Record daily precipitation	35.1 mm (1.4 in)	43 of 100 (Notable)
Murringo (Windermere)	Australia	Record daily precipitation	45.7 mm (1.8 in)	43 of 100 (Notable)
Collerina (Corrella)	Australia	Record daily precipitation	66.0 mm (2.6 in)	42 of 100 (Notable)
Coonamble (Wingadee)	Australia	Record daily precipitation	34.3 mm (1.4 in)	42 of 100 (Notable)
Denman (Palace Street)	Australia	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Mudgee (George Street)	Australia	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
Ulamambri Post Office	Australia	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Warrumbungle (Cheddington)	Australia	Record daily precipitation	58.4 mm (2.3 in)	40 of 100 (Notable)
Mullaley (Bando)	Australia	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)
Blackville Post Office	Australia	Record daily precipitation	38.6 mm (1.5 in)	40 of 100 (Notable)
Burburgate	Australia	Record daily precipitation	59.7 mm (2.4 in)	40 of 100 (Notable)

Counts by Type and Timescale

319 records

Records set or tied on 30 June 1920 by type: Highest daily maximum 3, Lowest daily maximum 1, Highest daily minimum 20, Heaviest daily rainfall 295.

Records on 30 June 1920 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	1
Highest daily minimum	20
Lowest daily minimum	0
Heaviest daily rainfall	295
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 1920 by timescale: all-time 3, monthly 58, daily 258.

How Much Records Were Beaten By

309 broken records

Margins by which the 309 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.6. Ties are not counted.

Top 20 by Significance

30 June 1920

Top 20 records on 30 June 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 1920	Boolcarrol, AU	monthly rain	99.1 mm (3.9 in)	39.2 mm (1.5 in)	41 years	64 of 100 (Major)
30 June 1920	Wee Waa (George St), AU	monthly rain	123.2 mm (4.9 in)	64.8 mm (2.6 in)	30 years	62 of 100 (Major)
30 June 1920	Louth (Bloxham Street), AU	monthly rain	62.7 mm (2.5 in)	28.7 mm (1.1 in)	23 years	59 of 100 (Notable)
30 June 1920	Walgett (Euroka), AU	monthly rain	77.5 mm (3.1 in)	32.5 mm (1.3 in)	27 years	58 of 100 (Notable)
30 June 1920	Barraba Post Office, AU	monthly rain	93.5 mm (3.7 in)	42.2 mm (1.7 in)	11 years	57 of 100 (Notable)
30 June 1920	Narrabri Bowling Club, AU	monthly rain	113.0 mm (4.4 in)	37.3 mm (1.5 in)	30 years	56 of 100 (Notable)
30 June 1920	Bingara Post Office, AU	daily rain	72.6 mm (2.9 in)	64.5 mm (2.5 in)	37 years	55 of 100 (Notable)
30 June 1920	Denman (Martindale), AU	daily rain	53.3 mm (2.1 in)	48.0 mm (1.9 in)	38 years	55 of 100 (Notable)
30 June 1920	Neilrex (Caigan), AU	daily rain	41.7 mm (1.6 in)	34.1 mm (1.3 in)	37 years	55 of 100 (Notable)
30 June 1920	Llangollen, AU	daily rain	42.9 mm (1.7 in)	30.7 mm (1.2 in)	37 years	54 of 100 (Notable)
30 June 1920	Dinby, AU	monthly rain	97.8 mm (3.9 in)	42.7 mm (1.7 in)	0 years	53 of 100 (Notable)
30 June 1920	Guyra Post Office, AU	monthly rain	78.2 mm (3.1 in)	36.0 mm (1.4 in)	0 years	53 of 100 (Notable)
30 June 1920	Enngonia (Belalie), AU	monthly rain	81.8 mm (3.2 in)	30.0 mm (1.2 in)	29 years	52 of 100 (Notable)
30 June 1920	Biamble, AU	daily rain	33.0 mm (1.3 in)	30.0 mm (1.2 in)	30 years	52 of 100 (Notable)
30 June 1920	Mendooran Post Office, AU	daily rain	41.4 mm (1.6 in)	36.8 mm (1.4 in)	30 years	52 of 100 (Notable)
30 June 1920	Coolah (Binnia St), AU	daily rain	48.3 mm (1.9 in)	39.4 mm (1.6 in)	32 years	52 of 100 (Notable)
30 June 1920	Coronga Downs, AU	daily rain	37.8 mm (1.5 in)	32.0 mm (1.3 in)	28 years	51 of 100 (Notable)
30 June 1920	Barraba (Mount Lindsay), AU	monthly rain	129.5 mm (5.1 in)	53.8 mm (2.1 in)	8 years	51 of 100 (Notable)
30 June 1920	Moree Post Office, AU	daily rain	47.0 mm (1.9 in)	41.7 mm (1.6 in)	32 years	50 of 100 (Notable)
30 June 1920	Waverley (Belltrees 2), AU	daily rain	38.1 mm (1.5 in)	33.3 mm (1.3 in)	29 years	50 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

1826 to 1920

Records set or tied on this calendar date in each year from 1826 to 1920. 1920 had 319 records.

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

Records on 06-30 in each year
Year	Records
1826	1
1832	1
1835	2
1843	2
1846	1
1848	2
1849	1
1853	1
1855	1
1857	1
1860	1
1863	1
1865	1
1869	1
1871	1
1873	1
1876	1
1879	2
1882	2
1883	3
1885	4
1886	1
1887	2
1888	2
1889	1
1890	3
1891	2
1892	1
1894	1
1895	1
1896	2
1897	6
1898	3
1899	4
1900	5
1901	9
1902	10
1903	8
1904	20
1905	23
1906	20
1907	12
1908	17
1909	39
1910	57
1911	12
1912	32
1913	99
1914	97
1915	40
1916	66
1917	39
1918	54
1919	72
1920	319
1921	121
1922	133
1923	309
1924	194
1925	113
1926	65
1927	240
1928	137
1929	213
1930	168
1931	774
1932	154
1933	571
1934	331
1935	347
1936	620
1937	458
1938	330
1939	438
1940	346
1941	341
1942	408
1943	790
1944	272
1945	671
1946	631
1947	487
1948	340
1949	403
1950	494
1951	517
1952	533
1953	404
1954	426
1955	432
1956	409
1957	592
1958	423
1959	948
1960	270
1961	351
1962	375
1963	560
1964	434
1965	240
1966	379
1967	414
1968	752
1969	459
1970	730
1971	459
1972	558
1973	623
1974	643
1975	414
1976	607
1977	662
1978	721
1979	601
1980	935
1981	838
1982	1,230
1983	752
1984	722
1985	829
1986	745
1987	1,044
1988	1,216
1989	953
1990	1,191
1991	1,129
1992	1,670
1993	711
1994	951
1995	1,354
1996	889
1997	938
1998	1,714
1999	910
2000	861
2001	778
2002	904
2003	896
2004	998
2005	1,526
2006	723
2007	736
2008	852
2009	1,052
2010	1,069
2011	1,057
2012	1,416
2013	963
2014	496
2015	1,018
2016	371
2017	642
2018	625
2019	1,042
2020	1,151
2021	1,442
2022	709
2023	531
2024	1,004
2025	858
2026	999

Download the Data

Data for records on 1920-06-30: 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	126
10 to 20	89
20 to 30	44
30 to 40	38
40 to 50	6
50 to 60	3
60 to 70	3