Weather Records on 20 August 1929

213 weather records were set or tied worldwide on 20 August 1929. Highest significance: Beaufort West (Met), ZA.

Key Facts for 20 August 1929

On 20 August 1929, 213 weather records were set or tied at long-record stations worldwide.
29 were record highs and 142 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 202 daily.
Beaufort West (Met) set a monthly record daily precipitation of 38.1 mm (1.5 in) on 20 August 1929.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 456 records.

Record Map

213 stations

213 station records on 20 August 1929 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beaufort West (Met)	South Africa	Record daily precipitation	38.1 mm (1.5 in)	57 of 100 (Notable)
Bakensrug	South Africa	Record daily precipitation	34.3 mm (1.4 in)	55 of 100 (Notable)
Aberdeen (Tnk)	South Africa	Record daily precipitation	25.9 mm (1.0 in)	51 of 100 (Notable)
Ferrara	Italy	Record daily precipitation	62.5 mm (2.5 in)	47 of 100 (Notable)
Dunmurray	South Africa	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record daily precipitation	70.6 mm (2.8 in)	29 of 100 (Routine)
Simferopol	Ukraine	Record daily precipitation	40.4 mm (1.6 in)	27 of 100 (Routine)
Kon-Kolodez	Russia	Record high minimum temperature	21.0 C (69.8 F)	25 of 100 (Routine)
Winnsboro	United States	Record low minimum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Ostrov Sosnovez	Russia	Record daily precipitation	29.4 mm (1.2 in)	23 of 100 (Routine)
Braunschweig (T.H.)	Germany	Record low minimum temperature	6.0 C (42.8 F)	22 of 100 (Routine)
Lancaster 2 NW	United States	Record low minimum temperature	6.7 C (44.1 F)	22 of 100 (Routine)
Arnsberg	Germany	Record low minimum temperature	5.0 C (41.0 F)	21 of 100 (Routine)
Emporium 1 E	United States	Record low minimum temperature	3.3 C (37.9 F)	21 of 100 (Routine)
Kamferskraal	South Africa	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Brakfontein	South Africa	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Fir Glen	South Africa	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Grahamstown	South Africa	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Winterhoek	South Africa	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Hanover (Pol)	South Africa	Record daily precipitation	4.8 mm (0.19 in)	20 of 100 (Routine)
Philipstown (Tnk)	South Africa	Record daily precipitation	4.1 mm (0.16 in)	20 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Graaff Reinet	South Africa	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Kendrew Estates	South Africa	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Wellwood	South Africa	Record daily precipitation	6.3 mm (0.25 in)	20 of 100 (Routine)
De Aar	South Africa	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
Austin #2	United States	Record daily precipitation	3.6 mm (0.14 in)	20 of 100 (Routine)
Magdeburg	Germany	Record low minimum temperature	7.4 C (45.3 F)	20 of 100 (Routine)
Alicedale	South Africa	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Roodebloem	South Africa	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Tafelberg Hall	South Africa	Record daily precipitation	2.5 mm (0.10 in)	20 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record low minimum temperature	5.0 C (41.0 F)	20 of 100 (Routine)
Buckhannon	United States	Record low maximum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low maximum temperature	13.2 C (55.8 F)	19 of 100 (Routine)
Calarasi	Romania	Record high minimum temperature	21.0 C (69.8 F)	19 of 100 (Routine)
Lottering (Bos)	South Africa	Record daily precipitation	31.8 mm (1.3 in)	19 of 100 (Routine)
Middleburg	South Africa	Record daily precipitation	2.3 mm (0.09 in)	19 of 100 (Routine)
Odesa	Ukraine	Record high maximum temperature	34.2 C (93.6 F)	19 of 100 (Routine)
E Tawas	United States	Record low minimum temperature	0.6 C (33.1 F)	19 of 100 (Routine)
Oelrichs	United States	Record high minimum temperature	26.7 C (80.1 F)	19 of 100 (Routine)
Lubeck-Werft	Germany	Record low minimum temperature	4.1 C (39.4 F)	18 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record high maximum temperature	34.7 C (94.5 F)	18 of 100 (Routine)
Kiev	Ukraine	Record high minimum temperature	20.5 C (68.9 F)	18 of 100 (Routine)
Mt Sterling	United States	Record low minimum temperature	9.4 C (48.9 F)	18 of 100 (Routine)
Hiram	United States	Record low minimum temperature	5.0 C (41.0 F)	18 of 100 (Routine)
Kon-Kolodez	Russia	Record high maximum temperature	36.2 C (97.2 F)	17 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record high maximum temperature	34.4 C (93.9 F)	17 of 100 (Routine)
De Vlei "de Kruis"	South Africa	Record daily precipitation	11.7 mm (0.5 in)	17 of 100 (Routine)
Scottsburg	United States	Record low minimum temperature	10.0 C (50.0 F)	17 of 100 (Routine)
Innsbruck	Austria	Record low maximum temperature	16.3 C (61.3 F)	16 of 100 (Routine)
Waren	Germany	Record low minimum temperature	6.3 C (43.3 F)	16 of 100 (Routine)
Venterstad	South Africa	Record daily precipitation	3.3 mm (0.13 in)	16 of 100 (Routine)
Kiev	Ukraine	Record high maximum temperature	35.0 C (95.0 F)	16 of 100 (Routine)
St Augustine	United States	Record daily precipitation	33.5 mm (1.3 in)	16 of 100 (Routine)
Grantsville	United States	Record low minimum temperature	2.2 C (36.0 F)	16 of 100 (Routine)
Derry 4 SW	United States	Record low minimum temperature	5.0 C (41.0 F)	16 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record low maximum temperature	4.3 C (39.7 F)	15 of 100 (Routine)
Schwerin	Germany	Record low minimum temperature	6.8 C (44.2 F)	15 of 100 (Routine)
Odesa	Ukraine	Record high minimum temperature	22.2 C (72.0 F)	15 of 100 (Routine)
Fall River	United States	Record low minimum temperature	9.4 C (48.9 F)	15 of 100 (Routine)

Counts by Type and Timescale

213 records

Records set or tied on 20 August 1929 by type: Highest daily maximum 16, Lowest daily maximum 24, Highest daily minimum 13, Lowest daily minimum 118, Heaviest daily rainfall 42.

Records on 20 August 1929 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	24
Highest daily minimum	13
Lowest daily minimum	118
Heaviest daily rainfall	42
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1929 by timescale: all-time 0, monthly 11, daily 202.

How Much Records Were Beaten By

164 broken records

Margins by which the 164 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 49.8. Ties are not counted.

Top 20 by Significance

20 August 1929

Top 20 records on 20 August 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1929	Beaufort West (Met), ZA	monthly rain	38.1 mm (1.5 in)	12.7 mm (0.5 in)	33 years	57 of 100 (Notable)
20 August 1929	Bakensrug, ZA	monthly rain	34.3 mm (1.4 in)	16.0 mm (0.6 in)	12 years	55 of 100 (Notable)
20 August 1929	Aberdeen (Tnk), ZA	daily rain	25.9 mm (1.0 in)	20.8 mm (0.8 in)	41 years	51 of 100 (Notable)
20 August 1929	Ferrara, IT	daily rain	62.5 mm (2.5 in)	49.8 mm (2.0 in)	8 years	47 of 100 (Notable)
20 August 1929	Dunmurray, ZA	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	35 years	46 of 100 (Notable)
20 August 1929	Munchen-Nymphenburg, DE	monthly rain	70.6 mm (2.8 in)	1.5 mm (0.06 in)	45 years	29 of 100 (Routine)
20 August 1929	Simferopol, UA	monthly rain	40.4 mm (1.6 in)	7.4 mm (0.29 in)	10 years	27 of 100 (Routine)
20 August 1929	Kon-Kolodez, RU	daily high min	21.0 C (69.8 F)	4.1 C (7.4 F)	34 years	25 of 100 (Routine)
20 August 1929	Winnsboro, US	daily low min	13.9 C (57.0 F)	2.8 C (5.0 F)	32 years	24 of 100 (Routine)
20 August 1929	Ostrov Sosnovez, RU	monthly rain	29.4 mm (1.2 in)	1.7 mm (0.07 in)	23 years	23 of 100 (Routine)
20 August 1929	Braunschweig (T.H.), DE	daily low min	6.0 C (42.8 F)	3.0 C (5.4 F)	26 years	22 of 100 (Routine)
20 August 1929	Lancaster 2 NW, US	daily low min	6.7 C (44.1 F)	3.9 C (7.0 F)	32 years	22 of 100 (Routine)
20 August 1929	Arnsberg, DE	daily low min	5.0 C (41.0 F)	1.1 C (2.0 F)	40 years	21 of 100 (Routine)
20 August 1929	Emporium 1 E, US	daily low min	3.3 C (37.9 F)	3.9 C (7.0 F)	32 years	21 of 100 (Routine)
20 August 1929	Kamferskraal, ZA	daily rain	16.8 mm (0.7 in)	16.0 mm (0.6 in)	24 years	20 of 100 (Routine)
20 August 1929	Brakfontein, ZA	monthly rain	20.6 mm (0.8 in)	5.9 mm (0.23 in)	49 years	20 of 100 (Routine)
20 August 1929	Fir Glen, ZA	daily rain	18.3 mm (0.7 in)	12.7 mm (0.5 in)	40 years	20 of 100 (Routine)
20 August 1929	Grahamstown, ZA	daily rain	20.3 mm (0.8 in)	13.4 mm (0.5 in)	41 years	20 of 100 (Routine)
20 August 1929	Winterhoek, ZA	daily rain	20.6 mm (0.8 in)	18.6 mm (0.7 in)	7 years	20 of 100 (Routine)
20 August 1929	Hanover (Pol), ZA	daily rain	4.8 mm (0.19 in)	4.8 mm (0.19 in)	50 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

1797 to 1929

Records set or tied on this calendar date in each year from 1797 to 1929. 1929 had 213 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1929-08-20: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	148
10 to 20	13
20 to 30	2
30 to 40	0
40 to 50	1