Weather Records on 20 June 1987

960 weather records were set or tied worldwide on 20 June 1987. Highest significance: Hiram, US.

Key Facts for 20 June 1987

On 20 June 1987, 960 weather records were set or tied at long-record stations worldwide.
387 were record highs and 214 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 18 monthly and 938 daily.
Hiram set a daily record precipitation of 73.7 mm (2.9 in) on 20 June 1987.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 454 records.

Record Map

960 stations

960 station records on 20 June 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hiram	United States	Record daily precipitation	73.7 mm (2.9 in)	74 of 100 (Major)
Oberlin	United States	Record daily precipitation	69.1 mm (2.7 in)	69 of 100 (Major)
Mount Buffalo Chalet	Australia	Record daily precipitation	119.0 mm (4.7 in)	56 of 100 (Notable)
Aledo	United States	Record daily precipitation	79.2 mm (3.1 in)	56 of 100 (Notable)
Henbury	Australia	Record daily precipitation	37.0 mm (1.5 in)	53 of 100 (Notable)
Malmsbury Reservoir	Australia	Record daily precipitation	49.4 mm (1.9 in)	53 of 100 (Notable)
Ft Assiniboine	United States	Record daily precipitation	31.8 mm (1.3 in)	53 of 100 (Notable)
Lauriston Reservoir	Australia	Record daily precipitation	44.4 mm (1.7 in)	52 of 100 (Notable)
Kotel'nikovo	Russia	Record daily precipitation	37.5 mm (1.5 in)	52 of 100 (Notable)
Sedgwick	Australia	Record daily precipitation	50.6 mm (2.0 in)	49 of 100 (Notable)
Kergunyah South	Australia	Record daily precipitation	54.0 mm (2.1 in)	49 of 100 (Notable)
Chorozinho	Brazil	Record daily precipitation	45.3 mm (1.8 in)	49 of 100 (Notable)
Elyria 3 E	United States	Record daily precipitation	77.5 mm (3.1 in)	49 of 100 (Notable)
Otatitlan	Mexico	Record low minimum temperature	16.7 C (62.1 F)	48 of 100 (Notable)
Youngstown-Warren Rgnl AP	United States	Record daily precipitation	44.2 mm (1.7 in)	48 of 100 (Notable)
Bogucar	Russia	Record daily precipitation	48.4 mm (1.9 in)	47 of 100 (Notable)
Wis Rapids Grand Av B	United States	Record daily precipitation	66.0 mm (2.6 in)	47 of 100 (Notable)
Sidney	United States	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Goorambat	Australia	Record daily precipitation	28.6 mm (1.1 in)	45 of 100 (Notable)
Stuttgart	United States	Record daily precipitation	71.1 mm (2.8 in)	45 of 100 (Notable)
La Junta	Mexico	Record low minimum temperature	0.6 C (33.1 F)	44 of 100 (Notable)
Vega de Alatorre	Mexico	Record low minimum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Marshall	United States	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Boise City 2 E	United States	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Wooragee	Australia	Record daily precipitation	36.8 mm (1.4 in)	43 of 100 (Notable)
Nanning	China	Record daily precipitation	116.3 mm (4.6 in)	43 of 100 (Notable)
Palmerville	Australia	Record high minimum temperature	20.5 C (68.9 F)	42 of 100 (Notable)
Koetong	Australia	Record daily precipitation	36.2 mm (1.4 in)	42 of 100 (Notable)
Worms	Germany	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Lednik Phedchenko (Im. Gorbuno	Tajikistan	Record daily precipitation	34.2 mm (1.3 in)	42 of 100 (Notable)
The Rock (Bullenbong)	Australia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Benalla (Shadforth Street)	Australia	Record daily precipitation	41.0 mm (1.6 in)	41 of 100 (Notable)
Poretskoye	Russia	Record high minimum temperature	21.5 C (70.7 F)	41 of 100 (Notable)
Elatma	Russia	Record high minimum temperature	19.1 C (66.4 F)	40 of 100 (Notable)
Astrakan	Russia	Record high minimum temperature	24.1 C (75.4 F)	40 of 100 (Notable)
Sigourney	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Bland	United States	Record daily precipitation	62.7 mm (2.5 in)	40 of 100 (Notable)
Laanecoorie Weir	Australia	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Kazan	Russia	Record high minimum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Denton 2 E	United States	Record high maximum temperature	35.6 C (96.1 F)	39 of 100 (Notable)
Moorestown 4 E	United States	Record high minimum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Tres Piedras	United States	Record low minimum temperature	-4.4 C (24.1 F)	39 of 100 (Notable)
Presidio	United States	Record high minimum temperature	31.1 C (88.0 F)	39 of 100 (Notable)
Pittsburgh ASOS	United States	Record daily precipitation	75.2 mm (3.0 in)	39 of 100 (Notable)
Toledo Express AP	United States	Record daily precipitation	51.3 mm (2.0 in)	39 of 100 (Notable)
Whitfield	Australia	Record daily precipitation	54.0 mm (2.1 in)	38 of 100 (Notable)
Chico UNIV Farm	United States	Record low minimum temperature	3.9 C (39.0 F)	38 of 100 (Notable)
Waucoma 1WNW	United States	Record daily precipitation	114.3 mm (4.5 in)	38 of 100 (Notable)
Nariel Creek (Simpson)	Australia	Record daily precipitation	35.0 mm (1.4 in)	37 of 100 (Notable)
Healesville (Badger Crk Sanctu	Australia	Record daily precipitation	30.9 mm (1.2 in)	37 of 100 (Notable)
Kilmore Assumption College	Australia	Record daily precipitation	36.2 mm (1.4 in)	37 of 100 (Notable)
Bishkek	Kyrgyzstan	Record low maximum temperature	15.4 C (59.7 F)	37 of 100 (Notable)
Kanevskaja	Russia	Record daily precipitation	52.7 mm (2.1 in)	37 of 100 (Notable)
Cape Kazantip (Lh)	Ukraine	Record daily precipitation	37.5 mm (1.5 in)	37 of 100 (Notable)
Uniontown	United States	Record daily precipitation	49.3 mm (1.9 in)	37 of 100 (Notable)
Anna	United States	Record daily precipitation	69.9 mm (2.8 in)	37 of 100 (Notable)
Senador Pompeu	Brazil	Record daily precipitation	29.0 mm (1.1 in)	36 of 100 (Notable)
Niznij Novgorod	Russia	Record high minimum temperature	22.4 C (72.3 F)	36 of 100 (Notable)
Auburn 2 SSE	United States	Record high minimum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Detour Village	United States	Record high minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

960 records

Records set or tied on 20 June 1987 by type: Highest daily maximum 143, Lowest daily maximum 134, Highest daily minimum 244, Lowest daily minimum 80, Heaviest daily rainfall 359.

Records on 20 June 1987 by type
Record type	Records
Highest daily maximum	143
Lowest daily maximum	134
Highest daily minimum	244
Lowest daily minimum	80
Heaviest daily rainfall	359
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1987 by timescale: all-time 4, monthly 18, daily 938.

How Much Records Were Beaten By

772 broken records

Margins by which the 772 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 85.9. Ties are not counted.

Top 20 by Significance

20 June 1987

Top 20 records on 20 June 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1987	Hiram, US	daily rain	73.7 mm (2.9 in)	52.1 mm (2.1 in)	85 years	74 of 100 (Major)
20 June 1987	Oberlin, US	daily rain	69.1 mm (2.7 in)	38.6 mm (1.5 in)	85 years	69 of 100 (Major)
20 June 1987	Mount Buffalo Chalet, AU	daily rain	119.0 mm (4.7 in)	63.9 mm (2.5 in)	60 years	56 of 100 (Notable)
20 June 1987	Aledo, US	daily rain	79.2 mm (3.1 in)	39.3 mm (1.5 in)	65 years	56 of 100 (Notable)
20 June 1987	Henbury, AU	daily rain	37.0 mm (1.5 in)	18.7 mm (0.7 in)	86 years	53 of 100 (Notable)
20 June 1987	Malmsbury Reservoir, AU	daily rain	49.4 mm (1.9 in)	21.2 mm (0.8 in)	41 years	53 of 100 (Notable)
20 June 1987	Ft Assiniboine, US	daily rain	31.8 mm (1.3 in)	22.1 mm (0.9 in)	64 years	53 of 100 (Notable)
20 June 1987	Lauriston Reservoir, AU	daily rain	44.4 mm (1.7 in)	26.6 mm (1.0 in)	29 years	52 of 100 (Notable)
20 June 1987	Kotel'nikovo, RU	daily rain	37.5 mm (1.5 in)	21.8 mm (0.9 in)	52 years	52 of 100 (Notable)
20 June 1987	Sedgwick, AU	daily rain	50.6 mm (2.0 in)	43.2 mm (1.7 in)	22 years	49 of 100 (Notable)
20 June 1987	Kergunyah South, AU	daily rain	54.0 mm (2.1 in)	16.2 mm (0.6 in)	82 years	49 of 100 (Notable)
20 June 1987	Chorozinho, BR	daily rain	45.3 mm (1.8 in)	33.8 mm (1.3 in)	36 years	49 of 100 (Notable)
20 June 1987	Elyria 3 E, US	daily rain	77.5 mm (3.1 in)	67.3 mm (2.6 in)	22 years	49 of 100 (Notable)
20 June 1987	Otatitlan, MX	daily low min	16.7 C (62.1 F)	3.9 C (7.0 F)	46 years	48 of 100 (Notable)
20 June 1987	Youngstown-Warren Rgnl AP, US	daily rain	44.2 mm (1.7 in)	32.8 mm (1.3 in)	40 years	48 of 100 (Notable)
20 June 1987	Bogucar, RU	daily rain	48.4 mm (1.9 in)	38.7 mm (1.5 in)	9 years	47 of 100 (Notable)
20 June 1987	Wis Rapids Grand Av B, US	daily rain	66.0 mm (2.6 in)	38.6 mm (1.5 in)	32 years	47 of 100 (Notable)
20 June 1987	Sidney, US	daily rain	33.3 mm (1.3 in)	19.1 mm (0.8 in)	64 years	46 of 100 (Notable)
20 June 1987	Goorambat, AU	daily rain	28.6 mm (1.1 in)	7.0 mm (0.28 in)	89 years	45 of 100 (Notable)
20 June 1987	Stuttgart, US	daily rain	71.1 mm (2.8 in)	14.7 mm (0.6 in)	93 years	45 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 1987

Records set or tied on this calendar date in each year from 1800 to 1987. 1987 had 960 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 1987-06-20: 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).

Margin	Records
0 to 20	717
20 to 40	44
40 to 60	8
60 to 80	2
80 to 100	1