Weather Records on 21 August 1929

234 weather records were set or tied worldwide on 21 August 1929. Highest significance: Kamferskraal, ZA.

Key Facts for 21 August 1929

On 21 August 1929, 234 weather records were set or tied at long-record stations worldwide.
109 were record highs and 80 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 227 daily.
Kamferskraal set a monthly record daily precipitation of 36.3 mm (1.4 in) on 21 August 1929.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 451 records.

Record Map

234 stations

234 station records on 21 August 1929 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kamferskraal	South Africa	Record daily precipitation	36.3 mm (1.4 in)	57 of 100 (Notable)
Somerset East	South Africa	Record daily precipitation	28.4 mm (1.1 in)	53 of 100 (Notable)
Berlin (Sar)	South Africa	Record daily precipitation	49.0 mm (1.9 in)	46 of 100 (Notable)
Grahamstown	South Africa	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Mount Coke (Bos)	South Africa	Record daily precipitation	43.2 mm (1.7 in)	43 of 100 (Notable)
Peddie (Mag)	South Africa	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Kentani (Bos)	South Africa	Record daily precipitation	37.8 mm (1.5 in)	40 of 100 (Notable)
New Smyrna Beach	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Pointe Riche	Canada	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Albany 3 SE	United States	Record daily precipitation	51.6 mm (2.0 in)	27 of 100 (Routine)
La Delle 7 NE	United States	Record high maximum temperature	40.6 C (105.1 F)	24 of 100 (Routine)
Wahpeton 3 N	United States	Record high maximum temperature	37.8 C (100.0 F)	23 of 100 (Routine)
Moab	United States	Record high minimum temperature	22.2 C (72.0 F)	23 of 100 (Routine)
Amenia	United States	Record high maximum temperature	37.2 C (99.0 F)	22 of 100 (Routine)
Clark	United States	Record high maximum temperature	38.3 C (100.9 F)	21 of 100 (Routine)
Dontsa	South Africa	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Isidinge (Bos)	South Africa	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Pirie (Bos)	South Africa	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Cata (Bos)	South Africa	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Fort Beaufort	South Africa	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Douglas	South Africa	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Canberra (Duntroon Military Co	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Middelwater	South Africa	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Nicosia	Cyprus	Record daily precipitation	4.3 mm (0.17 in)	20 of 100 (Routine)
Fir Glen	South Africa	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Simferopol	Ukraine	Record daily precipitation	9.8 mm (0.39 in)	20 of 100 (Routine)
Nelyambo	Australia	Record daily precipitation	0.5 mm (0.02 in)	20 of 100 (Routine)
Cavan	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Astrakan	Russia	Record high minimum temperature	22.9 C (73.2 F)	20 of 100 (Routine)
Belconnen (Weetangerra)	Australia	Record daily precipitation	15.0 mm (0.6 in)	19 of 100 (Routine)
Kamennaja-Step	Russia	Record high minimum temperature	19.9 C (67.8 F)	19 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record high minimum temperature	19.7 C (67.5 F)	19 of 100 (Routine)
Simferopol	Ukraine	Record high minimum temperature	17.3 C (63.1 F)	19 of 100 (Routine)
Turners Falls	United States	Record low minimum temperature	5.0 C (41.0 F)	19 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high maximum temperature	35.0 C (95.0 F)	19 of 100 (Routine)
Oregon	United States	Record high maximum temperature	40.0 C (104.0 F)	19 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high maximum temperature	40.0 C (104.0 F)	19 of 100 (Routine)
Dunedin	South Africa	Record daily precipitation	12.7 mm (0.5 in)	18 of 100 (Routine)
Griquatown (Tnk)	South Africa	Record daily precipitation	9.9 mm (0.39 in)	18 of 100 (Routine)
Odesa	Ukraine	Record high maximum temperature	33.4 C (92.1 F)	18 of 100 (Routine)
Cambridge Water Trmt P	United States	Record low minimum temperature	7.8 C (46.0 F)	18 of 100 (Routine)
Madison	United States	Record high maximum temperature	39.4 C (102.9 F)	18 of 100 (Routine)
Setauket Strong	United States	Record low minimum temperature	11.1 C (52.0 F)	18 of 100 (Routine)
Bathurst Gaol	Australia	Record high minimum temperature	8.3 C (46.9 F)	17 of 100 (Routine)
Queanbeyan (Mount Campbell)	Australia	Record daily precipitation	15.2 mm (0.6 in)	17 of 100 (Routine)
Fort St James	Canada	Record daily precipitation	12.7 mm (0.5 in)	17 of 100 (Routine)
Komga (Pol)	South Africa	Record daily precipitation	14.0 mm (0.6 in)	17 of 100 (Routine)
Wakefield 3NW	United States	Record high maximum temperature	37.2 C (99.0 F)	17 of 100 (Routine)
Charleville Post Office	Australia	Record high minimum temperature	16.1 C (61.0 F)	16 of 100 (Routine)
Jeir	Australia	Record daily precipitation	16.0 mm (0.6 in)	16 of 100 (Routine)
Butterworth (Tnk)	South Africa	Record daily precipitation	9.4 mm (0.37 in)	16 of 100 (Routine)
Scottsburg	United States	Record low minimum temperature	9.4 C (48.9 F)	16 of 100 (Routine)
Corning	United States	Record high maximum temperature	36.7 C (98.1 F)	16 of 100 (Routine)
Beatrice	United States	Record high maximum temperature	40.0 C (104.0 F)	16 of 100 (Routine)
Chapel Hill 2 W	United States	Record low minimum temperature	13.9 C (57.0 F)	16 of 100 (Routine)
Mitchell 2 N	United States	Record high minimum temperature	21.7 C (71.1 F)	16 of 100 (Routine)
Quantico 1 S	United States	Record low minimum temperature	7.2 C (45.0 F)	16 of 100 (Routine)
Aberdeen	United States	Record high maximum temperature	39.4 C (102.9 F)	16 of 100 (Routine)
Eugowra Post Office	Australia	Record daily precipitation	8.6 mm (0.34 in)	15 of 100 (Routine)
Adelaide (Pol)	South Africa	Record daily precipitation	8.9 mm (0.35 in)	15 of 100 (Routine)

Counts by Type and Timescale

234 records

Records set or tied on 21 August 1929 by type: Highest daily maximum 76, Lowest daily maximum 9, Highest daily minimum 33, Lowest daily minimum 71, Heaviest daily rainfall 45.

Records on 21 August 1929 by type
Record type	Records
Highest daily maximum	76
Lowest daily maximum	9
Highest daily minimum	33
Lowest daily minimum	71
Heaviest daily rainfall	45
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1929 by timescale: all-time 0, monthly 7, daily 227.

How Much Records Were Beaten By

172 broken records

Margins by which the 172 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 40.7. Ties are not counted.

Top 20 by Significance

21 August 1929

Top 20 records on 21 August 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1929	Kamferskraal, ZA	monthly rain	36.3 mm (1.4 in)	18.3 mm (0.7 in)	12 years	57 of 100 (Notable)
21 August 1929	Somerset East, ZA	daily rain	28.4 mm (1.1 in)	23.8 mm (0.9 in)	48 years	53 of 100 (Notable)
21 August 1929	Berlin (Sar), ZA	daily rain	49.0 mm (1.9 in)	40.1 mm (1.6 in)	24 years	46 of 100 (Notable)
21 August 1929	Grahamstown, ZA	daily rain	30.0 mm (1.2 in)	21.6 mm (0.9 in)	48 years	43 of 100 (Notable)
21 August 1929	Mount Coke (Bos), ZA	daily rain	43.2 mm (1.7 in)	40.7 mm (1.6 in)	3 years	43 of 100 (Notable)
21 August 1929	Peddie (Mag), ZA	daily rain	32.5 mm (1.3 in)	22.3 mm (0.9 in)	48 years	42 of 100 (Notable)
21 August 1929	Kentani (Bos), ZA	daily rain	37.8 mm (1.5 in)	31.2 mm (1.2 in)	24 years	40 of 100 (Notable)
21 August 1929	New Smyrna Beach, US	daily rain	50.8 mm (2.0 in)	40.6 mm (1.6 in)	30 years	38 of 100 (Notable)
21 August 1929	Pointe Riche, CA	daily rain	29.2 mm (1.1 in)	16.5 mm (0.6 in)	31 years	31 of 100 (Routine)
21 August 1929	Albany 3 SE, US	daily rain	51.6 mm (2.0 in)	24.9 mm (1.0 in)	30 years	27 of 100 (Routine)
21 August 1929	La Delle 7 NE, US	daily high max	40.6 C (105.1 F)	7.3 C (13.1 F)	19 years	24 of 100 (Routine)
21 August 1929	Wahpeton 3 N, US	daily high max	37.8 C (100.0 F)	5.0 C (9.0 F)	28 years	23 of 100 (Routine)
21 August 1929	Moab, US	daily high min	22.2 C (72.0 F)	3.3 C (5.9 F)	35 years	23 of 100 (Routine)
21 August 1929	Amenia, US	daily high max	37.2 C (99.0 F)	4.4 C (7.9 F)	30 years	22 of 100 (Routine)
21 August 1929	Clark, US	daily high max	38.3 C (100.9 F)	5.0 C (9.0 F)	26 years	21 of 100 (Routine)
21 August 1929	Dontsa, ZA	daily rain	21.1 mm (0.8 in)	13.0 mm (0.5 in)	24 years	20 of 100 (Routine)
21 August 1929	Isidinge (Bos), ZA	daily rain	24.9 mm (1.0 in)	14.7 mm (0.6 in)	41 years	20 of 100 (Routine)
21 August 1929	Pirie (Bos), ZA	daily rain	19.8 mm (0.8 in)	14.7 mm (0.6 in)	24 years	20 of 100 (Routine)
21 August 1929	Cata (Bos), ZA	daily rain	19.8 mm (0.8 in)	16.8 mm (0.7 in)	12 years	20 of 100 (Routine)
21 August 1929	Fort Beaufort, ZA	daily rain	15.2 mm (0.6 in)	9.4 mm (0.37 in)	24 years	20 of 100 (Routine)

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

1800 to 1929

Records set or tied on this calendar date in each year from 1800 to 1929. 1929 had 234 records.

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

Records on 08-21 in each year
Year	Records
1800	1
1802	1
1804	1
1807	1
1816	1
1818	1
1832	1
1834	1
1839	3
1843	1
1847	1
1849	3
1850	1
1851	2
1863	1
1866	1
1867	2
1870	3
1871	2
1872	1
1873	1
1876	1
1877	2
1879	2
1884	2
1885	5
1886	1
1887	5
1888	2
1889	3
1890	4
1891	2
1893	4
1894	8
1895	3
1896	2
1897	4
1898	4
1899	7
1900	4
1901	9
1902	8
1903	6
1904	8
1905	4
1906	22
1907	20
1908	13
1909	17
1910	33
1911	19
1912	50
1913	37
1914	24
1915	21
1916	106
1917	101
1918	202
1919	19
1920	59
1921	34
1922	58
1923	111
1924	135
1925	220
1926	227
1927	228
1928	110
1929	234
1930	297
1931	277
1932	264
1933	328
1934	320
1935	318
1936	807
1937	762
1938	239
1939	630
1940	683
1941	180
1942	415
1943	438
1944	346
1945	544
1946	390
1947	954
1948	305
1949	508
1950	958
1951	699
1952	368
1953	331
1954	497
1955	885
1956	701
1957	490
1958	389
1959	704
1960	490
1961	644
1962	469
1963	338
1964	794
1965	455
1966	661
1967	541
1968	1,014
1969	650
1970	373
1971	660
1972	441
1973	438
1974	564
1975	545
1976	756
1977	764
1978	445
1979	778
1980	904
1981	1,015
1982	769
1983	1,407
1984	975
1985	623
1986	1,166
1987	740
1988	889
1989	828
1990	910
1991	828
1992	957
1993	698
1994	968
1995	962
1996	950
1997	1,291
1998	948
1999	717
2000	861
2001	797
2002	965
2003	1,241
2004	1,585
2005	1,071
2006	797
2007	1,829
2008	1,012
2009	1,319
2010	1,155
2011	1,022
2012	990
2013	513
2014	624
2015	651
2016	890
2017	347
2018	816
2019	631
2020	1,147
2021	767
2022	917
2023	1,826
2024	777
2025	1,230
2026	1,289

Download the Data

Data for records on 1929-08-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	157
10 to 20	7
20 to 30	4
30 to 40	1
40 to 50	3