Weather Records on 16 August 1987

1,120 weather records were set or tied worldwide on 16 August 1987. Highest significance: Mama, RU.

Key Facts for 16 August 1987

On 16 August 1987, 1,120 weather records were set or tied at long-record stations worldwide.
513 were record highs and 266 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 35 monthly and 1,079 daily.
Mama set an all-time record daily precipitation of 102.1 mm (4.0 in) on 16 August 1987.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

1,120 stations

1,120 station records on 16 August 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 August 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mama	Russia	Record daily precipitation	102.1 mm (4.0 in)	76 of 100 (Major)
Tanguj	Russia	Record daily precipitation	109.0 mm (4.3 in)	64 of 100 (Major)
Excelsior (Mun)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	62 of 100 (Major)
Grayling	United States	Record daily precipitation	55.9 mm (2.2 in)	59 of 100 (Notable)
Muskegon Co AP	United States	Record daily precipitation	83.3 mm (3.3 in)	59 of 100 (Notable)
Leribe	Lesotho	Record daily precipitation	54.5 mm (2.1 in)	57 of 100 (Notable)
Sredhekolymsk	Russia	Record daily precipitation	25.0 mm (1.0 in)	56 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record daily precipitation	64.3 mm (2.5 in)	56 of 100 (Notable)
Ndumu	South Africa	Record daily precipitation	30.6 mm (1.2 in)	55 of 100 (Notable)
Qacha's Nek	Lesotho	Record daily precipitation	59.0 mm (2.3 in)	54 of 100 (Notable)
Hale Loud Dam	United States	Record daily precipitation	68.6 mm (2.7 in)	54 of 100 (Notable)
Bokfontein, Franklin	South Africa	Record daily precipitation	31.2 mm (1.2 in)	53 of 100 (Notable)
Kenosha Wwtp	United States	Record daily precipitation	69.9 mm (2.8 in)	53 of 100 (Notable)
East Maitland Bowling Club	Australia	Record daily precipitation	75.0 mm (3.0 in)	52 of 100 (Notable)
Palmiet, Kokstad	South Africa	Record daily precipitation	35.8 mm (1.4 in)	52 of 100 (Notable)
Cuyamaca	United States	Record low maximum temperature	12.2 C (54.0 F)	51 of 100 (Notable)
Phuket Airport	Thailand	Record daily precipitation	153.9 mm (6.1 in)	49 of 100 (Notable)
Yalta	Ukraine	Record daily precipitation	40.3 mm (1.6 in)	49 of 100 (Notable)
Lake City 2 E	United States	Record low maximum temperature	26.1 C (79.0 F)	49 of 100 (Notable)
Lupton 1S	United States	Record daily precipitation	54.1 mm (2.1 in)	49 of 100 (Notable)
Trang	Thailand	Record daily precipitation	119.9 mm (4.7 in)	48 of 100 (Notable)
Carroll (the Ranch)	Australia	Record daily precipitation	28.0 mm (1.1 in)	47 of 100 (Notable)
Insikeni (Bos)	South Africa	Record daily precipitation	39.8 mm (1.6 in)	47 of 100 (Notable)
Bulwer (Tnk)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	47 of 100 (Notable)
Dalton	United States	Record daily precipitation	66.8 mm (2.6 in)	46 of 100 (Notable)
Mvenyane (Bos)	South Africa	Record daily precipitation	63.0 mm (2.5 in)	45 of 100 (Notable)
Clarens (Pol)	South Africa	Record daily precipitation	49.5 mm (1.9 in)	45 of 100 (Notable)
Buckland Downs	South Africa	Record daily precipitation	29.5 mm (1.2 in)	45 of 100 (Notable)
Garfield	Australia	Record daily precipitation	39.0 mm (1.5 in)	43 of 100 (Notable)
Vectis, Winterton	South Africa	Record daily precipitation	26.0 mm (1.0 in)	43 of 100 (Notable)
Senekal (Agr)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	43 of 100 (Notable)
Ciudad Lerdo (Dge)	Mexico	Record high minimum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
Doornkop	South Africa	Record daily precipitation	44.6 mm (1.8 in)	42 of 100 (Notable)
Mokpo	Korea, South	Record daily precipitation	102.0 mm (4.0 in)	40 of 100 (Notable)
Guachochi (Cfe)	Mexico	Record daily precipitation	63.0 mm (2.5 in)	40 of 100 (Notable)
Elandshoek, Boston	South Africa	Record daily precipitation	33.1 mm (1.3 in)	40 of 100 (Notable)
Howard 2SE	United States	Record high minimum temperature	30.0 C (86.0 F)	40 of 100 (Notable)
Mankayane	Swaziland	Record daily precipitation	26.5 mm (1.0 in)	40 of 100 (Notable)
Corona Downs	Australia	Record daily precipitation	28.0 mm (1.1 in)	39 of 100 (Notable)
Ladysdale	South Africa	Record daily precipitation	44.5 mm (1.8 in)	39 of 100 (Notable)
Crowe's Place,Seven	South Africa	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Aldville	Australia	Record daily precipitation	48.0 mm (1.9 in)	38 of 100 (Notable)
Ft Madison	United States	Record high minimum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Red Lake Indian Agcy	United States	Record daily precipitation	42.2 mm (1.7 in)	38 of 100 (Notable)
Winnibigoshish Dam	United States	Record daily precipitation	49.8 mm (2.0 in)	38 of 100 (Notable)
Beloit	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Nueva Esperanza	Mexico	Record high minimum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Weston College, Mooi	South Africa	Record daily precipitation	28.4 mm (1.1 in)	37 of 100 (Notable)
Hawkestone, Howick	South Africa	Record daily precipitation	38.0 mm (1.5 in)	37 of 100 (Notable)
Alton	United States	Record daily precipitation	41.4 mm (1.6 in)	37 of 100 (Notable)
Lordsburg 4 SE	United States	Record low minimum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Chapel Hill 2 W	United States	Record low maximum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record low minimum temperature	0.0 C (32.0 F)	37 of 100 (Notable)
Hatteras	United States	Record high minimum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Park Rapids Muni AP	United States	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)
Astara	Azerbaijan	Record daily precipitation	46.0 mm (1.8 in)	36 of 100 (Notable)
Druzina	Russia	Record daily precipitation	39.2 mm (1.5 in)	36 of 100 (Notable)
Fitzgerald	United States	Record low maximum temperature	28.3 C (82.9 F)	36 of 100 (Notable)
Minonk	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)

Counts by Type and Timescale

1,120 records

Records set or tied on 16 August 1987 by type: Highest daily maximum 159, Lowest daily maximum 120, Highest daily minimum 354, Lowest daily minimum 146, Heaviest daily rainfall 341.

Records on 16 August 1987 by type
Record type	Records
Highest daily maximum	159
Lowest daily maximum	120
Highest daily minimum	354
Lowest daily minimum	146
Heaviest daily rainfall	341
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 16 August 1987 by timescale: all-time 6, monthly 35, daily 1,079.

How Much Records Were Beaten By

839 broken records

Margins by which the 839 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 103.6. Ties are not counted.

Top 20 by Significance

16 August 1987

Top 20 records on 16 August 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 August 1987	Mama, RU	all-time rain	102.1 mm (4.0 in)	48.1 mm (1.9 in)	37 years	76 of 100 (Major)
16 August 1987	Tanguj, RU	all-time rain	109.0 mm (4.3 in)	18.5 mm (0.7 in)	46 years	64 of 100 (Major)
16 August 1987	Excelsior (Mun), ZA	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	74 years	62 of 100 (Major)
16 August 1987	Grayling, US	daily rain	55.9 mm (2.2 in)	30.5 mm (1.2 in)	80 years	59 of 100 (Notable)
16 August 1987	Muskegon Co AP, US	daily rain	83.3 mm (3.3 in)	47.0 mm (1.9 in)	34 years	59 of 100 (Notable)
16 August 1987	Leribe, LS	monthly rain	54.5 mm (2.1 in)	21.5 mm (0.8 in)	48 years	57 of 100 (Notable)
16 August 1987	Sredhekolymsk, RU	daily rain	25.0 mm (1.0 in)	16.0 mm (0.6 in)	38 years	56 of 100 (Notable)
16 August 1987	Sioux Ctr 2 SE, US	daily rain	64.3 mm (2.5 in)	33.3 mm (1.3 in)	76 years	56 of 100 (Notable)
16 August 1987	Ndumu, ZA	daily rain	30.6 mm (1.2 in)	30.6 mm (1.2 in)	68 years	55 of 100 (Notable)
16 August 1987	Qacha's Nek, LS	monthly rain	59.0 mm (2.3 in)	20.6 mm (0.8 in)	44 years	54 of 100 (Notable)
16 August 1987	Hale Loud Dam, US	daily rain	68.6 mm (2.7 in)	34.8 mm (1.4 in)	48 years	54 of 100 (Notable)
16 August 1987	Bokfontein, Franklin, ZA	daily rain	31.2 mm (1.2 in)	23.1 mm (0.9 in)	52 years	53 of 100 (Notable)
16 August 1987	Kenosha Wwtp, US	daily rain	69.9 mm (2.8 in)	54.2 mm (2.1 in)	32 years	53 of 100 (Notable)
16 August 1987	East Maitland Bowling Club, AU	daily rain	75.0 mm (3.0 in)	58.0 mm (2.3 in)	14 years	52 of 100 (Notable)
16 August 1987	Palmiet, Kokstad, ZA	daily rain	35.8 mm (1.4 in)	27.2 mm (1.1 in)	52 years	52 of 100 (Notable)
16 August 1987	Cuyamaca, US	monthly low max	12.2 C (54.0 F)	3.4 C (6.1 F)	80 years	51 of 100 (Notable)
16 August 1987	Phuket Airport, TH	daily rain	153.9 mm (6.1 in)	103.6 mm (4.1 in)	21 years	49 of 100 (Notable)
16 August 1987	Yalta, UA	daily rain	40.3 mm (1.6 in)	33.4 mm (1.3 in)	16 years	49 of 100 (Notable)
16 August 1987	Lake City 2 E, US	daily low max	26.1 C (79.0 F)	2.8 C (5.0 F)	93 years	49 of 100 (Notable)
16 August 1987	Lupton 1S, US	daily rain	54.1 mm (2.1 in)	39.6 mm (1.6 in)	28 years	49 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

1793 to 1987

Records set or tied on this calendar date in each year from 1793 to 1987. 1987 had 1,120 records.

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

Records on 08-16 in each year
Year	Records
1793	1
1802	2
1811	1
1827	1
1833	1
1835	1
1838	1
1841	1
1844	2
1850	1
1856	1
1861	2
1862	1
1863	1
1868	2
1869	1
1871	1
1873	1
1875	2
1876	5
1878	1
1879	3
1880	2
1882	2
1883	2
1885	4
1886	1
1887	2
1888	5
1890	5
1891	2
1893	6
1894	1
1895	4
1896	5
1897	4
1898	6
1899	2
1900	3
1901	7
1902	5
1903	12
1904	9
1905	9
1906	11
1907	20
1908	31
1909	25
1910	14
1911	16
1912	30
1913	88
1914	10
1915	32
1916	147
1917	27
1918	72
1919	13
1920	144
1921	42
1922	148
1923	135
1924	139
1925	92
1926	165
1927	314
1928	207
1929	509
1930	158
1931	336
1932	348
1933	260
1934	504
1935	496
1936	728
1937	818
1938	700
1939	340
1940	287
1941	371
1942	447
1943	579
1944	467
1945	370
1946	313
1947	477
1948	342
1949	345
1950	305
1951	423
1952	552
1953	558
1954	648
1955	558
1956	413
1957	402
1958	1,013
1959	354
1960	518
1961	866
1962	423
1963	897
1964	831
1965	565
1966	433
1967	829
1968	824
1969	684
1970	386
1971	641
1972	997
1973	592
1974	689
1975	766
1976	1,153
1977	831
1978	835
1979	1,698
1980	855
1981	766
1982	516
1983	1,251
1984	662
1985	1,063
1986	811
1987	1,120
1988	1,594
1989	730
1990	702
1991	601
1992	2,027
1993	820
1994	1,075
1995	1,542
1996	678
1997	1,284
1998	865
1999	697
2000	873
2001	1,136
2002	1,258
2003	1,220
2004	1,239
2005	813
2006	894
2007	1,442
2008	1,183
2009	1,128
2010	1,239
2011	896
2012	670
2013	770
2014	640
2015	841
2016	786
2017	672
2018	412
2019	430
2020	1,382
2021	825
2022	1,145
2023	1,354
2024	765
2025	661
2026	661

Download the Data

Data for records on 1987-08-16: 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	789
20 to 40	39
40 to 60	9
60 to 80	0
80 to 100	1
100 to 120	1