Weather Records on 13 August 1987

1,106 weather records were set or tied worldwide on 13 August 1987. Highest significance: Rockingham Post Office, AU.

Key Facts for 13 August 1987

On 13 August 1987, 1,106 weather records were set or tied at long-record stations worldwide.
350 were record highs and 234 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 37 monthly and 1,062 daily.
Rockingham Post Office set a daily record precipitation of 55.6 mm (2.2 in) on 13 August 1987.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

1,106 stations

1,106 station records on 13 August 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 August 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rockingham Post Office	Australia	Record daily precipitation	55.6 mm (2.2 in)	71 of 100 (Major)
Mandurah Park	Australia	Record daily precipitation	52.4 mm (2.1 in)	70 of 100 (Major)
Walnut Canyon Nm	United States	Record daily precipitation	102.9 mm (4.1 in)	70 of 100 (Major)
Pinjarra	Australia	Record daily precipitation	56.0 mm (2.2 in)	60 of 100 (Major)
Lebo	United States	Record daily precipitation	87.4 mm (3.4 in)	59 of 100 (Notable)
Ignacio Allende	Mexico	Record daily precipitation	229.9 mm (9.1 in)	56 of 100 (Notable)
Quinter	United States	Record daily precipitation	108.7 mm (4.3 in)	56 of 100 (Notable)
Eureka 1E	United States	Record daily precipitation	78.7 mm (3.1 in)	55 of 100 (Notable)
Pensacola Rgnl AP	United States	Record daily precipitation	130.3 mm (5.1 in)	55 of 100 (Notable)
Augusta	United States	Record daily precipitation	104.1 mm (4.1 in)	54 of 100 (Notable)
Enterprise	United States	Record daily precipitation	73.4 mm (2.9 in)	54 of 100 (Notable)
Ionia 2SSW	United States	Record daily precipitation	53.8 mm (2.1 in)	54 of 100 (Notable)
Geraldton Town	Australia	Record daily precipitation	34.0 mm (1.3 in)	53 of 100 (Notable)
Atlanta	United States	Record daily precipitation	71.9 mm (2.8 in)	52 of 100 (Notable)
Walnut 4S	United States	Record daily precipitation	52.3 mm (2.1 in)	52 of 100 (Notable)
Cobar (Meryula)	Australia	Record daily precipitation	31.0 mm (1.2 in)	51 of 100 (Notable)
Fairhope 2 NE	United States	Record daily precipitation	96.5 mm (3.8 in)	51 of 100 (Notable)
Howard 2SE	United States	Record daily precipitation	50.8 mm (2.0 in)	51 of 100 (Notable)
Spalding 1 NW	United States	Record daily precipitation	105.9 mm (4.2 in)	51 of 100 (Notable)
Denekamp	Netherlands	Record daily precipitation	35.0 mm (1.4 in)	50 of 100 (Notable)
Saucier Exp Forest	United States	Record daily precipitation	86.6 mm (3.4 in)	50 of 100 (Notable)
Kjusjur	Russia	Record daily precipitation	29.9 mm (1.2 in)	49 of 100 (Notable)
El Fasher	Sudan	Record daily precipitation	77.0 mm (3.0 in)	49 of 100 (Notable)
Mize 3SW	United States	Record daily precipitation	100.3 mm (3.9 in)	49 of 100 (Notable)
Trinidad	United States	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Beaver	United States	Record daily precipitation	64.8 mm (2.6 in)	48 of 100 (Notable)
Pascagoula 3 NE	United States	Record daily precipitation	70.1 mm (2.8 in)	47 of 100 (Notable)
Geary	United States	Record daily precipitation	82.8 mm (3.3 in)	47 of 100 (Notable)
Neosho Rapids	United States	Record daily precipitation	69.6 mm (2.7 in)	46 of 100 (Notable)
Canton L&D 20	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Rockhampton Aero	Australia	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
Windermere	Australia	Record daily precipitation	43.0 mm (1.7 in)	45 of 100 (Notable)
Quincy Mem Brg	United States	Record daily precipitation	64.0 mm (2.5 in)	45 of 100 (Notable)
Thrall 3SSE	United States	Record daily precipitation	66.0 mm (2.6 in)	45 of 100 (Notable)
Bogantungan Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Kenton	United States	Record daily precipitation	53.8 mm (2.1 in)	44 of 100 (Notable)
Pensacola Forest Sherman NAS	United States	Record daily precipitation	123.7 mm (4.9 in)	44 of 100 (Notable)
Rosalia 1NW	United States	Record daily precipitation	88.6 mm (3.5 in)	43 of 100 (Notable)
Sedan	United States	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Boatman Station	Australia	Record daily precipitation	27.0 mm (1.1 in)	42 of 100 (Notable)
Saint Maries	United States	Record low maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Clarion	United States	Record daily precipitation	70.4 mm (2.8 in)	42 of 100 (Notable)
Sidney 1SSE	United States	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Abilene	United States	Record daily precipitation	76.2 mm (3.0 in)	42 of 100 (Notable)
Grenola 1 N	United States	Record daily precipitation	112.8 mm (4.4 in)	42 of 100 (Notable)
Edina	United States	Record daily precipitation	69.9 mm (2.8 in)	42 of 100 (Notable)
Ralston	United States	Record daily precipitation	53.3 mm (2.1 in)	42 of 100 (Notable)
Rottnest Island Lighthouse	Australia	Record daily precipitation	43.6 mm (1.7 in)	41 of 100 (Notable)
Mt Sterling	United States	Record daily precipitation	61.5 mm (2.4 in)	41 of 100 (Notable)
Chariton 1 E	United States	Record daily precipitation	58.2 mm (2.3 in)	41 of 100 (Notable)
Madison	United States	Record daily precipitation	101.9 mm (4.0 in)	41 of 100 (Notable)
Minneapolis	United States	Record daily precipitation	73.9 mm (2.9 in)	41 of 100 (Notable)
Biloxi	United States	Record daily precipitation	61.0 mm (2.4 in)	41 of 100 (Notable)
Hannibal Wtr Wks	United States	Record daily precipitation	67.6 mm (2.7 in)	41 of 100 (Notable)
Emu Park Hill St	Australia	Record daily precipitation	43.0 mm (1.7 in)	40 of 100 (Notable)
Scottsboro	United States	Record high minimum temperature	23.3 C (73.9 F)	40 of 100 (Notable)
Steffenville	United States	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)
Seward	United States	Record daily precipitation	52.6 mm (2.1 in)	40 of 100 (Notable)
Patna	India	Record daily precipitation	129.0 mm (5.1 in)	39 of 100 (Notable)
Twenthe-1	Netherlands	Record daily precipitation	28.3 mm (1.1 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,106 records

Records set or tied on 13 August 1987 by type: Highest daily maximum 132, Lowest daily maximum 144, Highest daily minimum 218, Lowest daily minimum 90, Heaviest daily rainfall 522.

Records on 13 August 1987 by type
Record type	Records
Highest daily maximum	132
Lowest daily maximum	144
Highest daily minimum	218
Lowest daily minimum	90
Heaviest daily rainfall	522
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 13 August 1987 by timescale: all-time 7, monthly 37, daily 1,062.

How Much Records Were Beaten By

886 broken records

Margins by which the 886 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 106.4. Ties are not counted.

Top 20 by Significance

13 August 1987

Top 20 records on 13 August 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 August 1987	Rockingham Post Office, AU	daily rain	55.6 mm (2.2 in)	37.3 mm (1.5 in)	73 years	71 of 100 (Major)
13 August 1987	Mandurah Park, AU	daily rain	52.4 mm (2.1 in)	33.9 mm (1.3 in)	73 years	70 of 100 (Major)
13 August 1987	Walnut Canyon Nm, US	all-time rain	102.9 mm (4.1 in)	25.4 mm (1.0 in)	32 years	70 of 100 (Major)
13 August 1987	Pinjarra, AU	daily rain	56.0 mm (2.2 in)	35.4 mm (1.4 in)	48 years	60 of 100 (Major)
13 August 1987	Lebo, US	daily rain	87.4 mm (3.4 in)	45.2 mm (1.8 in)	84 years	59 of 100 (Notable)
13 August 1987	Ignacio Allende, MX	all-time rain	229.9 mm (9.1 in)	50.1 mm (2.0 in)	12 years	56 of 100 (Notable)
13 August 1987	Quinter, US	daily rain	108.7 mm (4.3 in)	32.5 mm (1.3 in)	92 years	56 of 100 (Notable)
13 August 1987	Eureka 1E, US	daily rain	78.7 mm (3.1 in)	30.4 mm (1.2 in)	87 years	55 of 100 (Notable)
13 August 1987	Pensacola Rgnl AP, US	daily rain	130.3 mm (5.1 in)	106.2 mm (4.2 in)	37 years	55 of 100 (Notable)
13 August 1987	Augusta, US	daily rain	104.1 mm (4.1 in)	63.5 mm (2.5 in)	25 years	54 of 100 (Notable)
13 August 1987	Enterprise, US	daily rain	73.4 mm (2.9 in)	35.0 mm (1.4 in)	76 years	54 of 100 (Notable)
13 August 1987	Ionia 2SSW, US	daily rain	53.8 mm (2.1 in)	46.2 mm (1.8 in)	48 years	54 of 100 (Notable)
13 August 1987	Geraldton Town, AU	daily rain	34.0 mm (1.3 in)	14.7 mm (0.6 in)	77 years	53 of 100 (Notable)
13 August 1987	Atlanta, US	daily rain	71.9 mm (2.8 in)	71.9 mm (2.8 in)	32 years	52 of 100 (Notable)
13 August 1987	Walnut 4S, US	daily rain	52.3 mm (2.1 in)	34.3 mm (1.4 in)	84 years	52 of 100 (Notable)
13 August 1987	Cobar (Meryula), AU	daily rain	31.0 mm (1.2 in)	23.4 mm (0.9 in)	34 years	51 of 100 (Notable)
13 August 1987	Fairhope 2 NE, US	daily rain	96.5 mm (3.8 in)	55.4 mm (2.2 in)	42 years	51 of 100 (Notable)
13 August 1987	Howard 2SE, US	daily rain	50.8 mm (2.0 in)	38.1 mm (1.5 in)	72 years	51 of 100 (Notable)
13 August 1987	Spalding 1 NW, US	daily rain	105.9 mm (4.2 in)	75.4 mm (3.0 in)	26 years	51 of 100 (Notable)
13 August 1987	Denekamp, NL	daily rain	35.0 mm (1.4 in)	12.7 mm (0.5 in)	72 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

1793 to 1987

Records set or tied on this calendar date in each year from 1793 to 1987. 1987 had 1,106 records.

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

Records on 08-13 in each year
Year	Records
1793	1
1796	1
1807	1
1843	2
1849	1
1855	1
1856	1
1857	1
1861	3
1864	3
1867	3
1868	2
1871	1
1872	1
1874	1
1876	3
1878	1
1879	1
1881	1
1885	3
1886	1
1887	5
1889	3
1890	2
1891	1
1892	1
1893	3
1894	4
1895	6
1896	4
1897	9
1898	2
1899	4
1900	3
1901	3
1902	23
1903	12
1904	11
1905	11
1906	8
1907	3
1908	36
1909	33
1910	9
1911	41
1912	53
1913	20
1914	19
1915	32
1916	64
1917	62
1918	68
1919	38
1920	56
1921	34
1922	39
1923	84
1924	168
1925	145
1926	168
1927	113
1928	215
1929	184
1930	490
1931	596
1932	369
1933	291
1934	427
1935	400
1936	705
1937	370
1938	442
1939	276
1940	631
1941	516
1942	388
1943	611
1944	761
1945	355
1946	599
1947	685
1948	346
1949	420
1950	436
1951	373
1952	985
1953	238
1954	781
1955	732
1956	355
1957	432
1958	352
1959	363
1960	460
1961	503
1962	550
1963	583
1964	1,526
1965	734
1966	565
1967	1,091
1968	828
1969	663
1970	390
1971	431
1972	485
1973	452
1974	572
1975	462
1976	693
1977	678
1978	761
1979	1,198
1980	502
1981	534
1982	653
1983	647
1984	597
1985	829
1986	609
1987	1,106
1988	1,363
1989	637
1990	770
1991	845
1992	1,666
1993	993
1994	944
1995	1,910
1996	1,276
1997	1,009
1998	917
1999	1,363
2000	719
2001	861
2002	1,475
2003	1,993
2004	2,040
2005	1,418
2006	1,023
2007	1,243
2008	842
2009	806
2010	1,783
2011	736
2012	969
2013	430
2014	701
2015	653
2016	1,064
2017	523
2018	462
2019	653
2020	753
2021	928
2022	799
2023	763
2024	1,061
2025	714
2026	1,097

Download the Data

Data for records on 1987-08-13: 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 2026-10-15 (15 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).

Margin	Records
0 to 20	786
20 to 40	75
40 to 60	16
60 to 80	6
80 to 100	1
100 to 120	2