Weather Records on 20 August 1987

564 weather records were set or tied worldwide on 20 August 1987. Highest significance: Kiama Bowling Club, AU.

Key Facts for 20 August 1987

On 20 August 1987, 564 weather records were set or tied at long-record stations worldwide.
310 were record highs and 123 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 554 daily.
Kiama Bowling Club set a daily record precipitation of 82.2 mm (3.2 in) on 20 August 1987.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 454 records.

Record Map

564 stations

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

Weather records on 20 August 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kiama Bowling Club	Australia	Record daily precipitation	82.2 mm (3.2 in)	62 of 100 (Major)
Lowestoft	United Kingdom	Record high maximum temperature	27.8 C (82.0 F)	52 of 100 (Notable)
Voznesensk	Ukraine	Record daily precipitation	58.2 mm (2.3 in)	51 of 100 (Notable)
Tajshet	Russia	Record daily precipitation	50.2 mm (2.0 in)	46 of 100 (Notable)
Labelle	United States	Record daily precipitation	67.3 mm (2.6 in)	46 of 100 (Notable)
Gerringong (Mayflower Village)	Australia	Record daily precipitation	76.7 mm (3.0 in)	45 of 100 (Notable)
Calcutta/Dum Dum	India	Record daily precipitation	178.1 mm (7.0 in)	45 of 100 (Notable)
Carthage	United States	Record daily precipitation	50.0 mm (2.0 in)	43 of 100 (Notable)
Butler 4W	United States	Record daily precipitation	94.7 mm (3.7 in)	42 of 100 (Notable)
Eldorado Springs	United States	Record daily precipitation	51.8 mm (2.0 in)	42 of 100 (Notable)
Berry Masonic Village	Australia	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Dapto Bowling Club	Australia	Record daily precipitation	38.2 mm (1.5 in)	40 of 100 (Notable)
Bankhead L&D	United States	Record daily precipitation	54.1 mm (2.1 in)	40 of 100 (Notable)
Bartow 1SE	United States	Record high minimum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Minto Surrey Street	Australia	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Nueva Esperanza	Mexico	Record high minimum temperature	26.1 C (79.0 F)	38 of 100 (Notable)
Las Animas	United States	Record high maximum temperature	42.8 C (109.0 F)	38 of 100 (Notable)
Albion Park Post Office	Australia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Nevada Wtp	United States	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Wingham (Lanark Close)	Australia	Record daily precipitation	29.5 mm (1.2 in)	36 of 100 (Notable)
Bordeaux-Merignac	France	Record high maximum temperature	36.3 C (97.3 F)	36 of 100 (Notable)
Pte de la Hague	France	Record high maximum temperature	28.8 C (83.8 F)	36 of 100 (Notable)
Girard	United States	Record daily precipitation	47.0 mm (1.9 in)	36 of 100 (Notable)
Sedalia Wtp	United States	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Hot Springs	United States	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Goodland	United States	Record high maximum temperature	40.0 C (104.0 F)	36 of 100 (Notable)
Northam	Australia	Record high minimum temperature	14.0 C (57.2 F)	35 of 100 (Notable)
Foxground Road	Australia	Record daily precipitation	73.2 mm (2.9 in)	35 of 100 (Notable)
Askaniia Nova	Ukraine	Record low maximum temperature	18.6 C (65.5 F)	35 of 100 (Notable)
Rocky Ford 2 SE	United States	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)
Yerevan	Armenia	Record low minimum temperature	12.0 C (53.6 F)	34 of 100 (Routine)
Alfoten II	Norway	Record daily precipitation	52.6 mm (2.1 in)	34 of 100 (Routine)
Soloneshnoe	Russia	Record daily precipitation	51.2 mm (2.0 in)	34 of 100 (Routine)
Nikolaev	Ukraine	Record low maximum temperature	18.7 C (65.7 F)	34 of 100 (Routine)
Ozark	United States	Record daily precipitation	41.9 mm (1.6 in)	34 of 100 (Routine)
Qiqihar	China	Record daily precipitation	42.0 mm (1.7 in)	33 of 100 (Routine)
Cheesman	United States	Record high maximum temperature	33.3 C (91.9 F)	33 of 100 (Routine)
Chambers	United States	Record low maximum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Golconda	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Sheffield	United Kingdom	Record high minimum temperature	16.9 C (62.4 F)	32 of 100 (Routine)
Odesa	Ukraine	Record low maximum temperature	19.4 C (66.9 F)	32 of 100 (Routine)
Cheyenne Wells 2NE	United States	Record high maximum temperature	38.9 C (102.0 F)	32 of 100 (Routine)
Mount Barker	Australia	Record high minimum temperature	11.6 C (52.9 F)	31 of 100 (Routine)
Vega de Alatorre	Mexico	Record low minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Glen St Mary 1 W	United States	Record high minimum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Usina Brumado	Brazil	Record daily precipitation	28.0 mm (1.1 in)	30 of 100 (Routine)
Villa Purificacion (Dge)	Mexico	Record low minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Kwajalein	Marshall Islands	Record daily precipitation	58.7 mm (2.3 in)	30 of 100 (Routine)
Toa Baja 1 SSW	Puerto Rico [United States]	Record daily precipitation	57.2 mm (2.3 in)	30 of 100 (Routine)
Oceanside Marina	United States	Record low maximum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Blanca 4 NW	United States	Record high minimum temperature	11.7 C (53.1 F)	30 of 100 (Routine)
Santa Gertrudis	Mexico	Record low maximum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Burlington	United States	Record high maximum temperature	38.3 C (100.9 F)	29 of 100 (Routine)
Sharon Springs	United States	Record high maximum temperature	40.0 C (104.0 F)	29 of 100 (Routine)
Madison	United States	Record low maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record high maximum temperature	36.7 C (98.1 F)	29 of 100 (Routine)
Berryville 6 NW	United States	Record daily precipitation	53.6 mm (2.1 in)	28 of 100 (Routine)
Centralia	United States	Record daily precipitation	41.1 mm (1.6 in)	28 of 100 (Routine)
Maebashi	Japan	Record daily precipitation	58.5 mm (2.3 in)	27 of 100 (Routine)
Cuautla (Smn)	Mexico	Record low minimum temperature	11.7 C (53.1 F)	27 of 100 (Routine)

Counts by Type and Timescale

564 records

Records set or tied on 20 August 1987 by type: Highest daily maximum 148, Lowest daily maximum 45, Highest daily minimum 162, Lowest daily minimum 78, Heaviest daily rainfall 131.

Records on 20 August 1987 by type
Record type	Records
Highest daily maximum	148
Lowest daily maximum	45
Highest daily minimum	162
Lowest daily minimum	78
Heaviest daily rainfall	131
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1987 by timescale: all-time 1, monthly 9, daily 554.

How Much Records Were Beaten By

420 broken records

Margins by which the 420 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 108.0. Ties are not counted.

Top 20 by Significance

20 August 1987

Top 20 records on 20 August 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1987	Kiama Bowling Club, AU	daily rain	82.2 mm (3.2 in)	45.4 mm (1.8 in)	76 years	62 of 100 (Major)
20 August 1987	Lowestoft, GB	daily high max	27.8 C (82.0 F)	3.7 C (6.7 F)	93 years	52 of 100 (Notable)
20 August 1987	Voznesensk, UA	daily rain	58.2 mm (2.3 in)	35.8 mm (1.4 in)	28 years	51 of 100 (Notable)
20 August 1987	Tajshet, RU	daily rain	50.2 mm (2.0 in)	16.6 mm (0.7 in)	57 years	46 of 100 (Notable)
20 August 1987	Labelle, US	daily rain	67.3 mm (2.6 in)	54.3 mm (2.1 in)	48 years	46 of 100 (Notable)
20 August 1987	Gerringong (Mayflower Village), AU	daily rain	76.7 mm (3.0 in)	30.0 mm (1.2 in)	62 years	45 of 100 (Notable)
20 August 1987	Calcutta/Dum Dum, IN	daily rain	178.1 mm (7.0 in)	108.0 mm (4.3 in)	5 years	45 of 100 (Notable)
20 August 1987	Carthage, US	daily rain	50.0 mm (2.0 in)	36.0 mm (1.4 in)	30 years	43 of 100 (Notable)
20 August 1987	Butler 4W, US	daily rain	94.7 mm (3.7 in)	64.7 mm (2.5 in)	22 years	42 of 100 (Notable)
20 August 1987	Eldorado Springs, US	daily rain	51.8 mm (2.0 in)	19.5 mm (0.8 in)	80 years	42 of 100 (Notable)
20 August 1987	Berry Masonic Village, AU	daily rain	50.8 mm (2.0 in)	12.2 mm (0.5 in)	87 years	41 of 100 (Notable)
20 August 1987	Dapto Bowling Club, AU	daily rain	38.2 mm (1.5 in)	23.5 mm (0.9 in)	76 years	40 of 100 (Notable)
20 August 1987	Bankhead L&D, US	daily rain	54.1 mm (2.1 in)	36.3 mm (1.4 in)	21 years	40 of 100 (Notable)
20 August 1987	Bartow 1SE, US	daily high min	25.0 C (77.0 F)	0.6 C (1.1 F)	90 years	40 of 100 (Notable)
20 August 1987	Minto Surrey Street, AU	daily rain	26.2 mm (1.0 in)	2.6 mm (0.10 in)	94 years	39 of 100 (Notable)
20 August 1987	Nueva Esperanza, MX	daily high min	26.1 C (79.0 F)	2.8 C (5.0 F)	26 years	38 of 100 (Notable)
20 August 1987	Las Animas, US	daily high max	42.8 C (109.0 F)	2.8 C (5.0 F)	76 years	38 of 100 (Notable)
20 August 1987	Albion Park Post Office, AU	daily rain	29.0 mm (1.1 in)	0.3 mm (0.01 in)	94 years	37 of 100 (Notable)
20 August 1987	Nevada Wtp, US	daily rain	50.8 mm (2.0 in)	20.3 mm (0.8 in)	60 years	37 of 100 (Notable)
20 August 1987	Wingham (Lanark Close), AU	daily rain	29.5 mm (1.2 in)	8.4 mm (0.33 in)	72 years	36 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

1797 to 1987

Records set or tied on this calendar date in each year from 1797 to 1987. 1987 had 564 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1987-08-20: 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	395
20 to 40	19
40 to 60	4
60 to 80	1
80 to 100	0
100 to 120	1