Weather Records on 20 June 1930

143 weather records were set or tied worldwide on 20 June 1930. Highest significance: Spokane Intl AP, US.

Key Facts for 20 June 1930

On 20 June 1930, 143 weather records were set or tied at long-record stations worldwide.
71 were record highs and 17 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 3 monthly and 139 daily.
Spokane Intl AP set a daily record precipitation of 35.1 mm (1.4 in) on 20 June 1930.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 460 records.

Record Map

143 stations

143 station records on 20 June 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Spokane Intl AP	United States	Record daily precipitation	35.1 mm (1.4 in)	48 of 100 (Notable)
Dayville	United States	Record daily precipitation	29.5 mm (1.2 in)	43 of 100 (Notable)
Kaisersbach-Cronhutte	Germany	Record daily precipitation	56.0 mm (2.2 in)	41 of 100 (Notable)
Hannibal 1 N	United States	Record daily precipitation	132.1 mm (5.2 in)	36 of 100 (Notable)
Gollhofen	Germany	Record daily precipitation	28.5 mm (1.1 in)	31 of 100 (Routine)
Macksville Country Club	Australia	Record daily precipitation	61.0 mm (2.4 in)	30 of 100 (Routine)
Bird Rocks	Canada	Record high minimum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Moira	United States	Record daily precipitation	41.9 mm (1.6 in)	28 of 100 (Routine)
Woolgoolga (Clear Place)	Australia	Record daily precipitation	58.4 mm (2.3 in)	27 of 100 (Routine)
Charlottetown	Canada	Record high minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Joseph	United States	Record low minimum temperature	-5.6 C (21.9 F)	24 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	34.0 mm (1.3 in)	23 of 100 (Routine)
Calgary Int'l A	Canada	Record low maximum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Rothenburg Ob der Tauber	Germany	Record daily precipitation	29.5 mm (1.2 in)	22 of 100 (Routine)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	47.5 mm (1.9 in)	21 of 100 (Routine)
Cet Central England	United Kingdom	Record high minimum temperature	13.9 C (57.0 F)	21 of 100 (Routine)
Taos	United States	Record high minimum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Pendleton Dwtn	United States	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Dayton 1 WSW	United States	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Joseph	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Ritzville 1 SSE	United States	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Weston 2 SE	United States	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Kelowna	Canada	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Bourke North	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record low maximum temperature	18.2 C (64.8 F)	20 of 100 (Routine)
Pitea	Sweden	Record high minimum temperature	15.5 C (59.9 F)	20 of 100 (Routine)
Clemson UNIV	United States	Record high minimum temperature	25.0 C (77.0 F)	20 of 100 (Routine)
Calgary Int'l A	Canada	Record daily precipitation	32.3 mm (1.3 in)	19 of 100 (Routine)
Pushmataha	United States	Record high minimum temperature	26.1 C (79.0 F)	19 of 100 (Routine)
Payette	United States	Record daily precipitation	11.4 mm (0.4 in)	19 of 100 (Routine)
Stanthorpe Leslie Parade	Australia	Record daily precipitation	11.4 mm (0.4 in)	18 of 100 (Routine)
Avon	United States	Record daily precipitation	33.0 mm (1.3 in)	18 of 100 (Routine)
Pullman Exp STN	United States	Record daily precipitation	17.3 mm (0.7 in)	18 of 100 (Routine)
Wenatchee 6 SW	United States	Record daily precipitation	13.5 mm (0.5 in)	18 of 100 (Routine)
Wolfville	Canada	Record high minimum temperature	17.8 C (64.0 F)	17 of 100 (Routine)
Rumford	United States	Record daily precipitation	17.0 mm (0.7 in)	17 of 100 (Routine)
Lake	United States	Record high maximum temperature	37.2 C (99.0 F)	17 of 100 (Routine)
Louisville	United States	Record high maximum temperature	38.3 C (100.9 F)	17 of 100 (Routine)
Lakeview 2 NNW	United States	Record daily precipitation	3.6 mm (0.14 in)	17 of 100 (Routine)
Bellbrook (East Street)	Australia	Record daily precipitation	59.2 mm (2.3 in)	16 of 100 (Routine)
Blackville (Krui Vale)	Australia	Record daily precipitation	87.4 mm (3.4 in)	16 of 100 (Routine)
Ottawa Cda	Canada	Record daily precipitation	32.5 mm (1.3 in)	16 of 100 (Routine)
Tot-Ma	Russia	Record daily precipitation	7.4 mm (0.29 in)	16 of 100 (Routine)
Porthill	United States	Record daily precipitation	20.6 mm (0.8 in)	16 of 100 (Routine)
Sunnyside	United States	Record daily precipitation	8.9 mm (0.35 in)	16 of 100 (Routine)
Mildura Post Office	Australia	Record low maximum temperature	11.1 C (52.0 F)	15 of 100 (Routine)
Lubeck-Werft	Germany	Record daily precipitation	8.8 mm (0.35 in)	15 of 100 (Routine)
Kazan	Russia	Record low minimum temperature	5.1 C (41.2 F)	15 of 100 (Routine)
Griggsville	United States	Record daily precipitation	49.8 mm (2.0 in)	15 of 100 (Routine)
Hattiesburg 5SW	United States	Record high maximum temperature	37.8 C (100.0 F)	15 of 100 (Routine)
Pontotoc	United States	Record high maximum temperature	36.7 C (98.1 F)	15 of 100 (Routine)
Laghouat	Algeria	Record low maximum temperature	25.0 C (77.0 F)	14 of 100 (Routine)
Kendall Post Office	Australia	Record daily precipitation	25.7 mm (1.0 in)	14 of 100 (Routine)
Masset Airport	Canada	Record high maximum temperature	22.8 C (73.0 F)	14 of 100 (Routine)
Artern	Germany	Record daily precipitation	14.4 mm (0.6 in)	14 of 100 (Routine)
Macon 2 NE	United States	Record high maximum temperature	38.9 C (102.0 F)	14 of 100 (Routine)
Rosalia	United States	Record daily precipitation	14.2 mm (0.6 in)	14 of 100 (Routine)
Parrsboro	Canada	Record high minimum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Paso Robles	United States	Record daily precipitation	0.3 mm (0.01 in)	13 of 100 (Routine)

Counts by Type and Timescale

143 records

Records set or tied on 20 June 1930 by type: Highest daily maximum 44, Lowest daily maximum 10, Highest daily minimum 27, Lowest daily minimum 7, Heaviest daily rainfall 55.

Records on 20 June 1930 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	10
Highest daily minimum	27
Lowest daily minimum	7
Heaviest daily rainfall	55
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1930 by timescale: all-time 1, monthly 3, daily 139.

How Much Records Were Beaten By

111 broken records

Margins by which the 111 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 40.7. Ties are not counted.

Top 20 by Significance

20 June 1930

Top 20 records on 20 June 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1930	Spokane Intl AP, US	daily rain	35.1 mm (1.4 in)	24.4 mm (1.0 in)	13 years	48 of 100 (Notable)
20 June 1930	Dayville, US	daily rain	29.5 mm (1.2 in)	19.3 mm (0.8 in)	21 years	43 of 100 (Notable)
20 June 1930	Kaisersbach-Cronhutte, DE	daily rain	56.0 mm (2.2 in)	26.8 mm (1.1 in)	21 years	41 of 100 (Notable)
20 June 1930	Hannibal 1 N, US	all-time rain	132.1 mm (5.2 in)	9.2 mm (0.36 in)	19 years	36 of 100 (Notable)
20 June 1930	Gollhofen, DE	daily rain	28.5 mm (1.1 in)	15.2 mm (0.6 in)	1 year	31 of 100 (Routine)
20 June 1930	Macksville Country Club, AU	daily rain	61.0 mm (2.4 in)	40.7 mm (1.6 in)	31 years	30 of 100 (Routine)
20 June 1930	Bird Rocks, CA	daily high min	11.7 C (53.1 F)	2.3 C (4.1 F)	43 years	28 of 100 (Routine)
20 June 1930	Moira, US	daily rain	41.9 mm (1.6 in)	25.9 mm (1.0 in)	13 years	28 of 100 (Routine)
20 June 1930	Woolgoolga (Clear Place), AU	daily rain	58.4 mm (2.3 in)	38.1 mm (1.5 in)	31 years	27 of 100 (Routine)
20 June 1930	Charlottetown, CA	daily high min	18.3 C (64.9 F)	1.1 C (2.0 F)	53 years	24 of 100 (Routine)
20 June 1930	Joseph, US	monthly low min	-5.6 C (21.9 F)	0.6 C (1.1 F)	35 years	24 of 100 (Routine)
20 June 1930	Ottawa, CA	daily rain	34.0 mm (1.3 in)	13.4 mm (0.5 in)	11 years	23 of 100 (Routine)
20 June 1930	Calgary Int'l A, CA	daily low max	8.9 C (48.0 F)	2.8 C (5.0 F)	41 years	22 of 100 (Routine)
20 June 1930	Rothenburg Ob der Tauber, DE	daily rain	29.5 mm (1.2 in)	9.0 mm (0.35 in)	21 years	22 of 100 (Routine)
20 June 1930	Port Macquarie (Bellevue Garde, AU	daily rain	47.5 mm (1.9 in)	12.4 mm (0.5 in)	23 years	21 of 100 (Routine)
20 June 1930	Cet Central England, GB	daily high min	13.9 C (57.0 F)	1.2 C (2.2 F)	36 years	21 of 100 (Routine)
20 June 1930	Taos, US	daily high min	15.0 C (59.0 F)	3.3 C (5.9 F)	25 years	21 of 100 (Routine)
20 June 1930	Pendleton Dwtn, US	daily rain	11.4 mm (0.4 in)	9.4 mm (0.37 in)	21 years	20 of 100 (Routine)
20 June 1930	Dayton 1 WSW, US	daily rain	17.3 mm (0.7 in)	11.2 mm (0.4 in)	24 years	20 of 100 (Routine)
20 June 1930	Joseph, US	daily rain	15.2 mm (0.6 in)	10.1 mm (0.4 in)	21 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

1800 to 1930

Records set or tied on this calendar date in each year from 1800 to 1930. 1930 had 143 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 1930-06-20: 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 1930
Margin	Records
0 to 10	93
10 to 20	11
20 to 30	5
30 to 40	1
40 to 50	1