Weather Records on 20 June 2021

1,161 weather records were set or tied worldwide on 20 June 2021. Highest significance: Tuscaloosa Oliver Dam, US.

Key Facts for 20 June 2021

On 20 June 2021, 1,161 weather records were set or tied at long-record stations worldwide.
838 were record highs and 76 were record lows, counting maximum and minimum temperature.
By timescale, 8 were all-time records, 55 monthly and 1,098 daily.
Tuscaloosa Oliver Dam set a monthly record daily precipitation of 167.1 mm (6.6 in) on 20 June 2021.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 453 records.

Record Map

1,161 stations

1,161 station records on 20 June 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tuscaloosa Oliver Dam	United States	Record daily precipitation	167.1 mm (6.6 in)	77 of 100 (Major)
Sand Mt Substn	United States	Record daily precipitation	141.0 mm (5.6 in)	76 of 100 (Major)
Heibloem (L)	Netherlands	Record daily precipitation	41.0 mm (1.6 in)	65 of 100 (Major)
Gendringen	Netherlands	Record daily precipitation	43.5 mm (1.7 in)	61 of 100 (Major)
Jasper 1 NNW	United States	Record daily precipitation	96.5 mm (3.8 in)	59 of 100 (Notable)
Paradise	United States	Record high minimum temperature	26.7 C (80.1 F)	58 of 100 (Notable)
Geldern-Walbeck	Germany	Record daily precipitation	45.0 mm (1.8 in)	57 of 100 (Notable)
Bocholt	Germany	Record daily precipitation	35.7 mm (1.4 in)	57 of 100 (Notable)
Borculo	Netherlands	Record daily precipitation	54.0 mm (2.1 in)	57 of 100 (Notable)
Rome	United States	Record daily precipitation	97.3 mm (3.8 in)	57 of 100 (Notable)
Weert	Netherlands	Record daily precipitation	35.6 mm (1.4 in)	56 of 100 (Notable)
Gainesville Lock	United States	Record daily precipitation	74.9 mm (2.9 in)	56 of 100 (Notable)
Aalten	Netherlands	Record daily precipitation	41.2 mm (1.6 in)	55 of 100 (Notable)
Ft Payne	United States	Record daily precipitation	215.9 mm (8.5 in)	54 of 100 (Notable)
Guntersville	United States	Record daily precipitation	102.6 mm (4.0 in)	54 of 100 (Notable)
Reform	United States	Record daily precipitation	91.4 mm (3.6 in)	52 of 100 (Notable)
Americus	United States	Record daily precipitation	91.4 mm (3.6 in)	52 of 100 (Notable)
Smiths Lake (Patsys Flat Road)	Australia	Record daily precipitation	125.0 mm (4.9 in)	51 of 100 (Notable)
Boaz	United States	Record daily precipitation	144.8 mm (5.7 in)	51 of 100 (Notable)
Rottnest Island	Australia	Record daily precipitation	61.2 mm (2.4 in)	50 of 100 (Notable)
Plant City	United States	Record high minimum temperature	26.1 C (79.0 F)	50 of 100 (Notable)
Summerville	United States	Record daily precipitation	135.1 mm (5.3 in)	50 of 100 (Notable)
Leende	Netherlands	Record daily precipitation	28.9 mm (1.1 in)	49 of 100 (Notable)
Calera	United States	Record daily precipitation	73.9 mm (2.9 in)	49 of 100 (Notable)
Lichtenvoorde	Netherlands	Record daily precipitation	46.3 mm (1.8 in)	48 of 100 (Notable)
Selma	United States	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Nordhorn	Germany	Record daily precipitation	39.3 mm (1.5 in)	47 of 100 (Notable)
Louisiana	United States	Record daily precipitation	62.7 mm (2.5 in)	47 of 100 (Notable)
Berlin-Dahlem	Germany	Record high minimum temperature	20.5 C (68.9 F)	46 of 100 (Notable)
Lievelde	Netherlands	Record daily precipitation	44.4 mm (1.7 in)	46 of 100 (Notable)
Holt L&D	United States	Record daily precipitation	127.0 mm (5.0 in)	46 of 100 (Notable)
Dahlonega 4WSW	United States	Record daily precipitation	62.2 mm (2.4 in)	46 of 100 (Notable)
Mina	United States	Record high minimum temperature	25.0 C (77.0 F)	46 of 100 (Notable)
Acapulco Gro.	Mexico	Record low maximum temperature	26.7 C (80.1 F)	45 of 100 (Notable)
Mineral	United States	Record high minimum temperature	14.4 C (57.9 F)	45 of 100 (Notable)
Vandalia	United States	Record daily precipitation	47.2 mm (1.9 in)	44 of 100 (Notable)
Lovelock	United States	Record high minimum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Roxboro 7 ESE	United States	Record high minimum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Winslow AP	United States	Record high minimum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Taranna (Parks & Wildlife)	Australia	Record daily precipitation	41.2 mm (1.6 in)	43 of 100 (Notable)
Potsdam	Germany	Record high minimum temperature	20.1 C (68.2 F)	43 of 100 (Notable)
Gollhofen	Germany	Record daily precipitation	32.9 mm (1.3 in)	43 of 100 (Notable)
Villingen-Schwenningen	Germany	Record daily precipitation	33.3 mm (1.3 in)	43 of 100 (Notable)
Wasco	United States	Record high maximum temperature	43.3 C (109.9 F)	43 of 100 (Notable)
Saint Leo	United States	Record high minimum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Pratt 3NW	United States	Record high minimum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Chester 1 SE	United States	Record daily precipitation	59.2 mm (2.3 in)	43 of 100 (Notable)
Tartu-Toravere	Estonia	Record high maximum temperature	31.2 C (88.2 F)	42 of 100 (Notable)
Someren	Netherlands	Record daily precipitation	26.8 mm (1.1 in)	42 of 100 (Notable)
Borzja	Russia	Record daily precipitation	29.5 mm (1.2 in)	42 of 100 (Notable)
Ploumanac'h	France	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Camenca	Moldova	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record high maximum temperature	31.2 C (88.2 F)	41 of 100 (Notable)
Clanton	United States	Record daily precipitation	57.2 mm (2.3 in)	41 of 100 (Notable)
Hetch Hetchy	United States	Record high minimum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Fruita	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Tonisvorst	Germany	Record daily precipitation	26.6 mm (1.0 in)	40 of 100 (Notable)
Weerselo	Netherlands	Record daily precipitation	48.0 mm (1.9 in)	40 of 100 (Notable)
Rekken	Netherlands	Record daily precipitation	47.2 mm (1.9 in)	40 of 100 (Notable)
Van	Turkey	Record high maximum temperature	31.1 C (88.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,161 records

Records set or tied on 20 June 2021 by type: Highest daily maximum 353, Lowest daily maximum 46, Highest daily minimum 485, Lowest daily minimum 30, Heaviest daily rainfall 247.

Records on 20 June 2021 by type
Record type	Records
Highest daily maximum	353
Lowest daily maximum	46
Highest daily minimum	485
Lowest daily minimum	30
Heaviest daily rainfall	247
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 2021 by timescale: all-time 8, monthly 55, daily 1,098.

How Much Records Were Beaten By

980 broken records

Margins by which the 980 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.0. Ties are not counted.

Top 20 by Significance

20 June 2021

Top 20 records on 20 June 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 2021	Tuscaloosa Oliver Dam, US	monthly rain	167.1 mm (6.6 in)	70.6 mm (2.8 in)	58 years	77 of 100 (Major)
20 June 2021	Sand Mt Substn, US	monthly rain	141.0 mm (5.6 in)	57.7 mm (2.3 in)	64 years	76 of 100 (Major)
20 June 2021	Heibloem (L), NL	daily rain	41.0 mm (1.6 in)	28.0 mm (1.1 in)	63 years	65 of 100 (Major)
20 June 2021	Gendringen, NL	daily rain	43.5 mm (1.7 in)	21.1 mm (0.8 in)	67 years	61 of 100 (Major)
20 June 2021	Jasper 1 NNW, US	daily rain	96.5 mm (3.8 in)	51.5 mm (2.0 in)	44 years	59 of 100 (Notable)
20 June 2021	Paradise, US	all-time high min	26.7 C (80.1 F)	1.1 C (2.0 F)	89 years	58 of 100 (Notable)
20 June 2021	Geldern-Walbeck, DE	daily rain	45.0 mm (1.8 in)	27.4 mm (1.1 in)	30 years	57 of 100 (Notable)
20 June 2021	Bocholt, DE	daily rain	35.7 mm (1.4 in)	19.7 mm (0.8 in)	63 years	57 of 100 (Notable)
20 June 2021	Borculo, NL	monthly rain	54.0 mm (2.1 in)	13.2 mm (0.5 in)	55 years	57 of 100 (Notable)
20 June 2021	Rome, US	monthly rain	97.3 mm (3.8 in)	13.2 mm (0.5 in)	91 years	57 of 100 (Notable)
20 June 2021	Weert, NL	daily rain	35.6 mm (1.4 in)	19.8 mm (0.8 in)	67 years	56 of 100 (Notable)
20 June 2021	Gainesville Lock, US	daily rain	74.9 mm (2.9 in)	43.1 mm (1.7 in)	60 years	56 of 100 (Notable)
20 June 2021	Aalten, NL	daily rain	41.2 mm (1.6 in)	25.2 mm (1.0 in)	31 years	55 of 100 (Notable)
20 June 2021	Ft Payne, US	all-time rain	215.9 mm (8.5 in)	21.6 mm (0.9 in)	31 years	54 of 100 (Notable)
20 June 2021	Guntersville, US	daily rain	102.6 mm (4.0 in)	67.5 mm (2.7 in)	14 years	54 of 100 (Notable)
20 June 2021	Reform, US	daily rain	91.4 mm (3.6 in)	32.2 mm (1.3 in)	68 years	52 of 100 (Notable)
20 June 2021	Americus, US	daily rain	91.4 mm (3.6 in)	38.8 mm (1.5 in)	48 years	52 of 100 (Notable)
20 June 2021	Smiths Lake (Patsys Flat Road), AU	daily rain	125.0 mm (4.9 in)	88.0 mm (3.5 in)	26 years	51 of 100 (Notable)
20 June 2021	Boaz, US	monthly rain	144.8 mm (5.7 in)	45.7 mm (1.8 in)	3 years	51 of 100 (Notable)
20 June 2021	Rottnest Island, AU	daily rain	61.2 mm (2.4 in)	48.2 mm (1.9 in)	24 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

1800 to 2021

Records set or tied on this calendar date in each year from 1800 to 2021. 2021 had 1,161 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 2021-06-20: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Histogram of margins by which records were beaten on 20 June 2021
Margin	Records
0 to 20	941
20 to 40	28
40 to 60	8
60 to 80	2
80 to 100	1