Weather Records on 25 August 1987

1,533 weather records were set or tied worldwide on 25 August 1987. Highest significance: Utrecht (Tnk), ZA.

Key Facts for 25 August 1987

On 25 August 1987, 1,533 weather records were set or tied at long-record stations worldwide.
218 were record highs and 791 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 136 monthly and 1,391 daily.
Utrecht (Tnk) set a daily record precipitation of 42.7 mm (1.7 in) on 25 August 1987.
Across 168 earlier years (1796 to 2026) the same calendar date averaged 431 records.

Record Map

1,533 stations

1,533 station records on 25 August 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 August 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Utrecht (Tnk)	South Africa	Record daily precipitation	42.7 mm (1.7 in)	68 of 100 (Major)
Kangela, Mtubatuba	South Africa	Record daily precipitation	68.9 mm (2.7 in)	67 of 100 (Major)
Amsterdam (Pol)	South Africa	Record daily precipitation	36.0 mm (1.4 in)	67 of 100 (Major)
Mahlabatini (Mag)	South Africa	Record daily precipitation	42.5 mm (1.7 in)	62 of 100 (Major)
Central City	United States	Record daily precipitation	86.9 mm (3.4 in)	62 of 100 (Major)
Weeping Water	United States	Record daily precipitation	140.5 mm (5.5 in)	62 of 100 (Major)
Alkmaar	South Africa	Record daily precipitation	42.0 mm (1.7 in)	61 of 100 (Major)
Ft Benton	United States	Record daily precipitation	33.0 mm (1.3 in)	61 of 100 (Major)
Ndumu	South Africa	Record daily precipitation	35.0 mm (1.4 in)	59 of 100 (Notable)
Vlakkloof Estate	South Africa	Record daily precipitation	43.0 mm (1.7 in)	58 of 100 (Notable)
Idalia	South Africa	Record daily precipitation	38.5 mm (1.5 in)	58 of 100 (Notable)
Augusta	United States	Record daily precipitation	34.3 mm (1.4 in)	58 of 100 (Notable)
Fairview	South Africa	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Laingsnek	South Africa	Record daily precipitation	41.1 mm (1.6 in)	57 of 100 (Notable)
Cotonou	Benin	Record daily precipitation	132.1 mm (5.2 in)	56 of 100 (Notable)
Roundup	United States	Record daily precipitation	27.9 mm (1.1 in)	56 of 100 (Notable)
Axel	Netherlands	Record daily precipitation	49.1 mm (1.9 in)	54 of 100 (Notable)
Blaauwkop	South Africa	Record daily precipitation	38.0 mm (1.5 in)	54 of 100 (Notable)
Waaihoek	South Africa	Record daily precipitation	41.2 mm (1.6 in)	53 of 100 (Notable)
Rietvallei	South Africa	Record daily precipitation	47.2 mm (1.9 in)	53 of 100 (Notable)
Witklip (Bos)	South Africa	Record daily precipitation	37.0 mm (1.5 in)	53 of 100 (Notable)
Staplehurst	United States	Record daily precipitation	177.8 mm (7.0 in)	53 of 100 (Notable)
Moorside	South Africa	Record daily precipitation	40.0 mm (1.6 in)	52 of 100 (Notable)
Big Bend(Wissel Rode)	Swaziland	Record daily precipitation	28.0 mm (1.1 in)	52 of 100 (Notable)
Great Falls AP	United States	Record daily precipitation	30.2 mm (1.2 in)	51 of 100 (Notable)
Hita	Japan	Record daily precipitation	110.0 mm (4.3 in)	50 of 100 (Notable)
Walnut	United States	Record daily precipitation	115.6 mm (4.6 in)	50 of 100 (Notable)
Busby	United States	Record daily precipitation	32.0 mm (1.3 in)	50 of 100 (Notable)
Ashland #2	United States	Record daily precipitation	99.1 mm (3.9 in)	50 of 100 (Notable)
Echeta 2 NW	United States	Record daily precipitation	39.1 mm (1.5 in)	50 of 100 (Notable)
Verona Villafranca	Italy	Record daily precipitation	93.6 mm (3.7 in)	49 of 100 (Notable)
Semonaiha	Kazakhstan	Record daily precipitation	32.6 mm (1.3 in)	49 of 100 (Notable)
Huichapan	Mexico	Record low maximum temperature	13.9 C (57.0 F)	49 of 100 (Notable)
Saint Paul Is AP	United States	Record high maximum temperature	18.9 C (66.0 F)	49 of 100 (Notable)
Ceylon (Bos)	South Africa	Record daily precipitation	46.5 mm (1.8 in)	48 of 100 (Notable)
Klipfontein	South Africa	Record daily precipitation	57.0 mm (2.2 in)	48 of 100 (Notable)
Schuyler	United States	Record daily precipitation	99.1 mm (3.9 in)	48 of 100 (Notable)
Mac Mac Bos	South Africa	Record daily precipitation	39.0 mm (1.5 in)	47 of 100 (Notable)
Luverne	United States	Record low maximum temperature	13.3 C (55.9 F)	47 of 100 (Notable)
Gresham 3W	United States	Record daily precipitation	138.4 mm (5.4 in)	47 of 100 (Notable)
Nizhnyaya Pesha	Russia	Record daily precipitation	50.6 mm (2.0 in)	46 of 100 (Notable)
Pafuri	South Africa	Record daily precipitation	25.0 mm (1.0 in)	46 of 100 (Notable)
Harnosand	Sweden	Record low minimum temperature	2.0 C (35.6 F)	46 of 100 (Notable)
Atlantic 1 NE	United States	Record low maximum temperature	14.4 C (57.9 F)	46 of 100 (Notable)
Denton	United States	Record daily precipitation	30.7 mm (1.2 in)	46 of 100 (Notable)
Grand Is Cntrl NE Rgnl AP	United States	Record daily precipitation	57.9 mm (2.3 in)	46 of 100 (Notable)
Dwaleni	Swaziland	Record daily precipitation	37.3 mm (1.5 in)	46 of 100 (Notable)
Hluhluwe Game Reserve	South Africa	Record daily precipitation	65.5 mm (2.6 in)	45 of 100 (Notable)
Uloa	South Africa	Record daily precipitation	75.0 mm (3.0 in)	45 of 100 (Notable)
Holyoke	United States	Record low maximum temperature	13.9 C (57.0 F)	45 of 100 (Notable)
Geneseo	United States	Record low maximum temperature	15.0 C (59.0 F)	45 of 100 (Notable)
Estherville 4E	United States	Record low maximum temperature	12.2 C (54.0 F)	45 of 100 (Notable)
Le Mars	United States	Record low maximum temperature	14.4 C (57.9 F)	45 of 100 (Notable)
Fairfield	United States	Record daily precipitation	29.0 mm (1.1 in)	45 of 100 (Notable)
Valparaiso	United States	Record daily precipitation	139.2 mm (5.5 in)	45 of 100 (Notable)
Alexandria	United States	Record low maximum temperature	13.9 C (57.0 F)	45 of 100 (Notable)
Stephan 2 NW	United States	Record low maximum temperature	13.9 C (57.0 F)	45 of 100 (Notable)
Des Moines Intl AP	United States	Record daily precipitation	87.6 mm (3.4 in)	45 of 100 (Notable)
Irapuato	Mexico	Record low minimum temperature	11.1 C (52.0 F)	44 of 100 (Notable)
Vryheid	South Africa	Record daily precipitation	39.5 mm (1.6 in)	44 of 100 (Notable)

Counts by Type and Timescale

1,533 records

Records set or tied on 25 August 1987 by type: Highest daily maximum 93, Lowest daily maximum 652, Highest daily minimum 125, Lowest daily minimum 139, Heaviest daily rainfall 524.

Records on 25 August 1987 by type
Record type	Records
Highest daily maximum	93
Lowest daily maximum	652
Highest daily minimum	125
Lowest daily minimum	139
Heaviest daily rainfall	524
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 25 August 1987 by timescale: all-time 6, monthly 136, daily 1,391.

How Much Records Were Beaten By

1,279 broken records

Margins by which the 1,279 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 83.6. Ties are not counted.

Top 20 by Significance

25 August 1987

Top 20 records on 25 August 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 1987	Utrecht (Tnk), ZA	daily rain	42.7 mm (1.7 in)	42.7 mm (1.7 in)	70 years	68 of 100 (Major)
25 August 1987	Kangela, Mtubatuba, ZA	daily rain	68.9 mm (2.7 in)	58.7 mm (2.3 in)	69 years	67 of 100 (Major)
25 August 1987	Amsterdam (Pol), ZA	daily rain	36.0 mm (1.4 in)	36.0 mm (1.4 in)	82 years	67 of 100 (Major)
25 August 1987	Mahlabatini (Mag), ZA	daily rain	42.5 mm (1.7 in)	38.9 mm (1.5 in)	64 years	62 of 100 (Major)
25 August 1987	Central City, US	daily rain	86.9 mm (3.4 in)	64.8 mm (2.6 in)	40 years	62 of 100 (Major)
25 August 1987	Weeping Water, US	daily rain	140.5 mm (5.5 in)	69.1 mm (2.7 in)	44 years	62 of 100 (Major)
25 August 1987	Alkmaar, ZA	daily rain	42.0 mm (1.7 in)	26.5 mm (1.0 in)	64 years	61 of 100 (Major)
25 August 1987	Ft Benton, US	daily rain	33.0 mm (1.3 in)	20.3 mm (0.8 in)	76 years	61 of 100 (Major)
25 August 1987	Ndumu, ZA	daily rain	35.0 mm (1.4 in)	35.0 mm (1.4 in)	68 years	59 of 100 (Notable)
25 August 1987	Vlakkloof Estate, ZA	daily rain	43.0 mm (1.7 in)	41.5 mm (1.6 in)	46 years	58 of 100 (Notable)
25 August 1987	Idalia, ZA	daily rain	38.5 mm (1.5 in)	33.2 mm (1.3 in)	64 years	58 of 100 (Notable)
25 August 1987	Augusta, US	daily rain	34.3 mm (1.4 in)	25.2 mm (1.0 in)	58 years	58 of 100 (Notable)
25 August 1987	Fairview, ZA	daily rain	66.0 mm (2.6 in)	55.8 mm (2.2 in)	37 years	57 of 100 (Notable)
25 August 1987	Laingsnek, ZA	daily rain	41.1 mm (1.6 in)	41.1 mm (1.6 in)	56 years	57 of 100 (Notable)
25 August 1987	Cotonou, BJ	monthly rain	132.1 mm (5.2 in)	57.3 mm (2.3 in)	7 years	56 of 100 (Notable)
25 August 1987	Roundup, US	daily rain	27.9 mm (1.1 in)	21.0 mm (0.8 in)	53 years	56 of 100 (Notable)
25 August 1987	Axel, NL	daily rain	49.1 mm (1.9 in)	18.0 mm (0.7 in)	61 years	54 of 100 (Notable)
25 August 1987	Blaauwkop, ZA	daily rain	38.0 mm (1.5 in)	34.0 mm (1.3 in)	29 years	54 of 100 (Notable)
25 August 1987	Waaihoek, ZA	daily rain	41.2 mm (1.6 in)	38.2 mm (1.5 in)	46 years	53 of 100 (Notable)
25 August 1987	Rietvallei, ZA	daily rain	47.2 mm (1.9 in)	25.6 mm (1.0 in)	64 years	53 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

1796 to 1987

Records set or tied on this calendar date in each year from 1796 to 1987. 1987 had 1,533 records.

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

Records on 08-25 in each year
Year	Records
1796	1
1801	1
1802	1
1807	2
1809	1
1813	1
1814	1
1816	1
1818	2
1837	1
1838	2
1839	1
1848	1
1852	1
1855	2
1859	1
1861	2
1864	1
1867	2
1869	1
1870	1
1871	2
1872	2
1875	1
1876	5
1877	3
1879	3
1880	2
1884	1
1885	2
1886	1
1887	1
1889	1
1890	3
1892	4
1893	8
1894	2
1895	4
1896	2
1897	2
1898	2
1899	5
1900	13
1901	11
1902	6
1903	13
1904	11
1905	12
1906	29
1907	15
1908	13
1909	22
1910	32
1911	32
1912	32
1913	31
1914	30
1915	94
1916	18
1917	65
1918	37
1919	172
1920	174
1921	50
1922	70
1923	117
1924	402
1925	145
1926	224
1927	356
1928	167
1929	174
1930	247
1931	251
1932	270
1933	307
1934	457
1935	317
1936	859
1937	333
1938	620
1939	366
1940	658
1941	474
1942	514
1943	496
1944	589
1945	462
1946	305
1947	627
1948	876
1949	281
1950	327
1951	352
1952	585
1953	461
1954	520
1955	711
1956	273
1957	479
1958	958
1959	576
1960	585
1961	487
1962	398
1963	510
1964	557
1965	401
1966	715
1967	439
1968	596
1969	631
1970	721
1971	628
1972	596
1973	537
1974	466
1975	650
1976	459
1977	731
1978	702
1979	828
1980	750
1981	671
1982	907
1983	1,277
1984	694
1985	1,048
1986	778
1987	1,533
1988	815
1989	918
1990	817
1991	688
1992	1,680
1993	1,137
1994	617
1995	1,206
1996	1,058
1997	1,553
1998	1,138
1999	895
2000	790
2001	1,021
2002	1,073
2003	872
2004	947
2005	874
2006	1,020
2007	1,345
2008	1,026
2009	824
2010	1,321
2011	1,332
2012	709
2013	619
2014	853
2015	1,157
2016	887
2017	432
2018	438
2019	708
2020	931
2021	597
2022	672
2023	1,565
2024	909
2025	1,071
2026	886

Download the Data

Data for records on 1987-08-25: 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	1,176
20 to 40	77
40 to 60	18
60 to 80	7
80 to 100	1