Weather Records on 29 August 1986

2,408 weather records were set or tied worldwide on 29 August 1986. Highest significance: Potchefstroom, ZA.

Key Facts for 29 August 1986

On 29 August 1986, 2,408 weather records were set or tied at long-record stations worldwide.
219 were record highs and 1,764 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 408 monthly and 1,997 daily.
Potchefstroom set a daily record precipitation of 51.8 mm (2.0 in) on 29 August 1986.
Across 161 earlier years (1807 to 2026) the same calendar date averaged 439 records.

Record Map

2,000 stations, highest significance shown

2,000 station records on 29 August 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 August 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Potchefstroom	South Africa	Record daily precipitation	51.8 mm (2.0 in)	72 of 100 (Major)
Kamiah	United States	Record daily precipitation	40.4 mm (1.6 in)	66 of 100 (Major)
Caledon (Pol)	South Africa	Record daily precipitation	53.4 mm (2.1 in)	65 of 100 (Major)
Beatrix	South Africa	Record daily precipitation	38.0 mm (1.5 in)	65 of 100 (Major)
Zoetendals Vallei	South Africa	Record daily precipitation	63.0 mm (2.5 in)	64 of 100 (Major)
Springvalley	South Africa	Record daily precipitation	36.0 mm (1.4 in)	63 of 100 (Major)
Arco	United States	Record daily precipitation	38.9 mm (1.5 in)	63 of 100 (Major)
Ballinger 2 NW	United States	Record daily precipitation	84.1 mm (3.3 in)	63 of 100 (Major)
Stilbaai (Bos)	South Africa	Record daily precipitation	69.0 mm (2.7 in)	61 of 100 (Major)
Schikfontein	South Africa	Record daily precipitation	45.0 mm (1.8 in)	61 of 100 (Major)
Blackdown	South Africa	Record daily precipitation	66.0 mm (2.6 in)	58 of 100 (Notable)
Kiel-Kronshagen	Germany	Record daily precipitation	49.8 mm (2.0 in)	57 of 100 (Notable)
N Lazy H Rch	United States	Record daily precipitation	36.6 mm (1.4 in)	55 of 100 (Notable)
Lumpkin 2 SE	United States	Record low maximum temperature	17.2 C (63.0 F)	55 of 100 (Notable)
Eureka	South Africa	Record daily precipitation	91.5 mm (3.6 in)	54 of 100 (Notable)
Goedemoed	South Africa	Record daily precipitation	49.0 mm (1.9 in)	54 of 100 (Notable)
Ogestad	Sweden	Record daily precipitation	42.2 mm (1.7 in)	54 of 100 (Notable)
Roodepoort (Mun)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	53 of 100 (Notable)
Juncos 1 SE	Puerto Rico [United States]	Record daily precipitation	123.4 mm (4.9 in)	52 of 100 (Notable)
Dwtn Charleston	United States	Record low minimum temperature	15.0 C (59.0 F)	52 of 100 (Notable)
Heidelberg Cape (Pol)	South Africa	Record daily precipitation	71.0 mm (2.8 in)	51 of 100 (Notable)
Norrveda	Sweden	Record daily precipitation	49.9 mm (2.0 in)	51 of 100 (Notable)
Vattholma	Sweden	Record daily precipitation	61.0 mm (2.4 in)	51 of 100 (Notable)
Norrby_S	Sweden	Record daily precipitation	54.8 mm (2.2 in)	51 of 100 (Notable)
Warren 2 ENE	United States	Record low minimum temperature	8.9 C (48.0 F)	51 of 100 (Notable)
Qumarleb	China	Record daily precipitation	37.6 mm (1.5 in)	50 of 100 (Notable)
Clarens (Pol)	South Africa	Record daily precipitation	56.0 mm (2.2 in)	50 of 100 (Notable)
Talbotton	United States	Record low maximum temperature	20.6 C (69.1 F)	50 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record low minimum temperature	2.2 C (36.0 F)	50 of 100 (Notable)
Coleman	United States	Record daily precipitation	71.1 mm (2.8 in)	50 of 100 (Notable)
Rendsburg	Germany	Record daily precipitation	45.5 mm (1.8 in)	49 of 100 (Notable)
Cayey 1 E	Puerto Rico [United States]	Record daily precipitation	117.6 mm (4.6 in)	49 of 100 (Notable)
Boontjieskraal	South Africa	Record daily precipitation	37.3 mm (1.5 in)	49 of 100 (Notable)
Waterkloof	South Africa	Record daily precipitation	35.9 mm (1.4 in)	49 of 100 (Notable)
Frotuna	Sweden	Record daily precipitation	49.2 mm (1.9 in)	49 of 100 (Notable)
Sacaton	United States	Record daily precipitation	59.2 mm (2.3 in)	49 of 100 (Notable)
Darlington	United States	Record low maximum temperature	21.7 C (71.1 F)	49 of 100 (Notable)
Suifenhe	China	Record daily precipitation	87.8 mm (3.5 in)	47 of 100 (Notable)
Vilnius	Lithuania	Record daily precipitation	40.1 mm (1.6 in)	47 of 100 (Notable)
Plaatjies Kraal	South Africa	Record daily precipitation	85.0 mm (3.3 in)	47 of 100 (Notable)
Potchefstroom Agr.	South Africa	Record daily precipitation	51.8 mm (2.0 in)	47 of 100 (Notable)
Hex Krantz	South Africa	Record daily precipitation	38.0 mm (1.5 in)	47 of 100 (Notable)
Greensboro	United States	Record low maximum temperature	23.3 C (73.9 F)	47 of 100 (Notable)
Marshall	United States	Record low minimum temperature	12.8 C (55.0 F)	47 of 100 (Notable)
Hatteras	United States	Record low minimum temperature	14.4 C (57.9 F)	47 of 100 (Notable)
Neumunster	Germany	Record daily precipitation	38.9 mm (1.5 in)	46 of 100 (Notable)
Tussenbeide	South Africa	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Mkambati	South Africa	Record daily precipitation	67.7 mm (2.7 in)	46 of 100 (Notable)
Barrage (Rwb)	South Africa	Record daily precipitation	43.5 mm (1.7 in)	46 of 100 (Notable)
Ozark	United States	Record low minimum temperature	7.8 C (46.0 F)	46 of 100 (Notable)
Elberton 2 N	United States	Record low maximum temperature	21.1 C (70.0 F)	46 of 100 (Notable)
Vevay	United States	Record low minimum temperature	5.0 C (41.0 F)	46 of 100 (Notable)
Maysville Wwtp	United States	Record low minimum temperature	4.4 C (39.9 F)	46 of 100 (Notable)
Adrian 2 NNE	United States	Record low minimum temperature	0.0 C (32.0 F)	46 of 100 (Notable)
Grandfalls 3SSE	United States	Record daily precipitation	42.7 mm (1.7 in)	46 of 100 (Notable)
Huili	China	Record daily precipitation	78.7 mm (3.1 in)	45 of 100 (Notable)
Bushy Vales, Margate	South Africa	Record daily precipitation	95.0 mm (3.7 in)	45 of 100 (Notable)
Djursatra	Sweden	Record daily precipitation	32.9 mm (1.3 in)	45 of 100 (Notable)
Landsort	Sweden	Record daily precipitation	28.3 mm (1.1 in)	45 of 100 (Notable)
Newport	United States	Record low minimum temperature	8.9 C (48.0 F)	45 of 100 (Notable)

Counts by Type and Timescale

2,408 records

Records set or tied on 29 August 1986 by type: Highest daily maximum 67, Lowest daily maximum 901, Highest daily minimum 152, Lowest daily minimum 863, Heaviest daily rainfall 424, Deepest snow cover 1.

Records on 29 August 1986 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	901
Highest daily minimum	152
Lowest daily minimum	863
Heaviest daily rainfall	424
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 29 August 1986 by timescale: all-time 3, monthly 408, daily 1,997.

How Much Records Were Beaten By

1,878 broken records

Margins by which the 1,878 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 98.3. Ties are not counted.

Top 20 by Significance

29 August 1986

Top 20 records on 29 August 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 August 1986	Potchefstroom, ZA	daily rain	51.8 mm (2.0 in)	51.0 mm (2.0 in)	80 years	72 of 100 (Major)
29 August 1986	Kamiah, US	daily rain	40.4 mm (1.6 in)	32.8 mm (1.3 in)	65 years	66 of 100 (Major)
29 August 1986	Caledon (Pol), ZA	daily rain	53.4 mm (2.1 in)	30.8 mm (1.2 in)	59 years	65 of 100 (Major)
29 August 1986	Beatrix, ZA	daily rain	38.0 mm (1.5 in)	38.0 mm (1.5 in)	65 years	65 of 100 (Major)
29 August 1986	Zoetendals Vallei, ZA	daily rain	63.0 mm (2.5 in)	31.2 mm (1.2 in)	59 years	64 of 100 (Major)
29 August 1986	Springvalley, ZA	daily rain	36.0 mm (1.4 in)	29.6 mm (1.2 in)	67 years	63 of 100 (Major)
29 August 1986	Arco, US	daily rain	38.9 mm (1.5 in)	28.2 mm (1.1 in)	53 years	63 of 100 (Major)
29 August 1986	Ballinger 2 NW, US	daily rain	84.1 mm (3.3 in)	61.7 mm (2.4 in)	75 years	63 of 100 (Major)
29 August 1986	Stilbaai (Bos), ZA	daily rain	69.0 mm (2.7 in)	55.5 mm (2.2 in)	52 years	61 of 100 (Major)
29 August 1986	Schikfontein, ZA	monthly rain	45.0 mm (1.8 in)	20.6 mm (0.8 in)	44 years	61 of 100 (Major)
29 August 1986	Blackdown, ZA	daily rain	66.0 mm (2.6 in)	46.9 mm (1.8 in)	43 years	58 of 100 (Notable)
29 August 1986	Kiel-Kronshagen, DE	daily rain	49.8 mm (2.0 in)	39.4 mm (1.6 in)	45 years	57 of 100 (Notable)
29 August 1986	N Lazy H Rch, US	daily rain	36.6 mm (1.4 in)	32.0 mm (1.3 in)	43 years	55 of 100 (Notable)
29 August 1986	Lumpkin 2 SE, US	monthly low max	17.2 C (63.0 F)	3.9 C (7.0 F)	74 years	55 of 100 (Notable)
29 August 1986	Eureka, ZA	monthly rain	91.5 mm (3.6 in)	35.0 mm (1.4 in)	4 years	54 of 100 (Notable)
29 August 1986	Goedemoed, ZA	monthly rain	49.0 mm (1.9 in)	17.8 mm (0.7 in)	52 years	54 of 100 (Notable)
29 August 1986	Ogestad, SE	daily rain	42.2 mm (1.7 in)	33.7 mm (1.3 in)	36 years	54 of 100 (Notable)
29 August 1986	Roodepoort (Mun), ZA	daily rain	30.5 mm (1.2 in)	28.0 mm (1.1 in)	17 years	53 of 100 (Notable)
29 August 1986	Juncos 1 SE, PR	daily rain	123.4 mm (4.9 in)	68.5 mm (2.7 in)	37 years	52 of 100 (Notable)
29 August 1986	Dwtn Charleston, US	monthly low min	15.0 C (59.0 F)	1.7 C (3.1 F)	82 years	52 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

1807 to 1986

Records set or tied on this calendar date in each year from 1807 to 1986. 1986 had 2,408 records.

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

Records on 08-29 in each year
Year	Records
1807	4
1814	2
1827	1
1834	1
1835	1
1837	1
1839	1
1844	1
1845	1
1850	1
1851	4
1863	1
1864	1
1865	2
1866	1
1869	1
1870	1
1875	1
1877	4
1878	1
1880	1
1881	1
1884	1
1885	3
1886	3
1887	1
1889	1
1891	1
1893	3
1894	6
1895	2
1896	10
1897	4
1898	2
1899	1
1900	1
1901	6
1902	7
1903	21
1904	7
1905	21
1906	14
1907	5
1908	12
1909	25
1910	9
1911	44
1912	36
1913	21
1914	32
1915	36
1916	59
1917	41
1918	28
1919	34
1920	76
1921	102
1922	41
1923	66
1924	250
1925	222
1926	403
1927	214
1928	288
1929	139
1930	170
1931	181
1932	675
1933	435
1934	459
1935	632
1936	297
1937	430
1938	253
1939	332
1940	395
1941	384
1942	654
1943	334
1944	338
1945	390
1946	702
1947	419
1948	1,096
1949	470
1950	557
1951	917
1952	345
1953	1,189
1954	438
1955	365
1956	351
1957	392
1958	240
1959	496
1960	499
1961	501
1962	400
1963	672
1964	483
1965	1,095
1966	463
1967	511
1968	887
1969	691
1970	481
1971	514
1972	635
1973	679
1974	874
1975	517
1976	547
1977	770
1978	755
1979	581
1980	521
1981	869
1982	1,164
1983	883
1984	1,230
1985	551
1986	2,408
1987	659
1988	1,237
1989	728
1990	1,009
1991	806
1992	1,417
1993	1,306
1994	596
1995	1,090
1996	1,056
1997	957
1998	1,452
1999	756
2000	1,076
2001	743
2002	921
2003	964
2004	813
2005	993
2006	1,156
2007	959
2008	716
2009	1,110
2010	1,184
2011	1,252
2012	901
2013	739
2014	419
2015	798
2016	576
2017	1,162
2018	890
2019	789
2020	827
2021	567
2022	437
2023	677
2024	1,047
2025	664
2026	797

Download the Data

Data for records on 1986-08-29: 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	1,803
20 to 40	56
40 to 60	11
60 to 80	6
80 to 100	2