Weather Records on 21 August 1926

227 weather records were set or tied worldwide on 21 August 1926. Highest significance: Lysebotn, NO.

Key Facts for 21 August 1926

On 21 August 1926, 227 weather records were set or tied at long-record stations worldwide.
43 were record highs and 111 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 222 daily.
Lysebotn set a monthly record daily precipitation of 85.7 mm (3.4 in) on 21 August 1926.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 451 records.

Record Map

227 stations

227 station records on 21 August 1926 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1926: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lysebotn	Norway	Record daily precipitation	85.7 mm (3.4 in)	51 of 100 (Notable)
Antigo	United States	Record daily precipitation	84.3 mm (3.3 in)	48 of 100 (Notable)
Palmetto	United States	Record daily precipitation	57.2 mm (2.3 in)	45 of 100 (Notable)
Hiram	United States	Record daily precipitation	47.0 mm (1.9 in)	41 of 100 (Notable)
Sviland	Norway	Record daily precipitation	48.7 mm (1.9 in)	40 of 100 (Notable)
Southampton	Canada	Record daily precipitation	71.9 mm (2.8 in)	38 of 100 (Notable)
Bulken	Norway	Record daily precipitation	47.8 mm (1.9 in)	37 of 100 (Notable)
Pocahontas 1	United States	Record daily precipitation	59.9 mm (2.4 in)	37 of 100 (Notable)
Stevens Pt	United States	Record daily precipitation	52.3 mm (2.1 in)	37 of 100 (Notable)
Martinsburg E W Virginia Rgnl	United States	Record low maximum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Ventspils	Latvia	Record daily precipitation	29.9 mm (1.2 in)	32 of 100 (Routine)
Owen Sound	Canada	Record daily precipitation	54.1 mm (2.1 in)	29 of 100 (Routine)
Washington	United States	Record low maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	41.1 mm (1.6 in)	28 of 100 (Routine)
Schenley Lock 5	United States	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Kingston	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Stratford	Canada	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
Frederick Police Brks	United States	Record low maximum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
World Trade Ctr	United States	Record low maximum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
Wilmington Wb City	United States	Record daily precipitation	50.3 mm (2.0 in)	25 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record low maximum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Baltimore Customs House	United States	Record low maximum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record daily precipitation	32.8 mm (1.3 in)	24 of 100 (Routine)
Bridgeville 1 NW	United States	Record daily precipitation	33.0 mm (1.3 in)	24 of 100 (Routine)
Columbus 3 NE	United States	Record daily precipitation	41.1 mm (1.6 in)	24 of 100 (Routine)
Westernport	United States	Record low maximum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Woodstock	United States	Record low maximum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Moorestown 4 E	United States	Record low maximum temperature	18.3 C (64.9 F)	23 of 100 (Routine)
Millsboro	United States	Record daily precipitation	45.7 mm (1.8 in)	22 of 100 (Routine)
Johnstown	United States	Record low maximum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Fort National	Algeria	Record high maximum temperature	40.0 C (104.0 F)	21 of 100 (Routine)
Williamsburg 2	United States	Record daily precipitation	32.0 mm (1.3 in)	21 of 100 (Routine)
Portland	United States	Record low minimum temperature	8.9 C (48.0 F)	21 of 100 (Routine)
Lambertville River	United States	Record low maximum temperature	17.8 C (64.0 F)	21 of 100 (Routine)
Lock #4	United States	Record daily precipitation	40.1 mm (1.6 in)	21 of 100 (Routine)
Oconto 4 W	United States	Record daily precipitation	42.7 mm (1.7 in)	21 of 100 (Routine)
Philadelphia City	United States	Record low maximum temperature	18.9 C (66.0 F)	21 of 100 (Routine)
Cape York Post Office	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Orillia	Canada	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Umea	Sweden	Record daily precipitation	20.2 mm (0.8 in)	20 of 100 (Routine)
Port Arthur	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Richmond City Locks	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Dalby Post Office	Australia	Record high maximum temperature	28.7 C (83.7 F)	20 of 100 (Routine)
Edmonton	Canada	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
London South	Canada	Record daily precipitation	51.8 mm (2.0 in)	20 of 100 (Routine)
Brocken	Germany	Record daily precipitation	27.3 mm (1.1 in)	20 of 100 (Routine)
Norwalk	United States	Record low maximum temperature	18.3 C (64.9 F)	20 of 100 (Routine)
Easton	United States	Record low maximum temperature	18.9 C (66.0 F)	20 of 100 (Routine)
Bridgeville 1 NW	United States	Record low maximum temperature	18.9 C (66.0 F)	19 of 100 (Routine)
Solomons	United States	Record low maximum temperature	20.0 C (68.0 F)	19 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	42.2 mm (1.7 in)	19 of 100 (Routine)
New Brunswick Exp STN	United States	Record low maximum temperature	18.9 C (66.0 F)	19 of 100 (Routine)
Lockport 2SE	United States	Record daily precipitation	33.8 mm (1.3 in)	19 of 100 (Routine)
Coatesville 1 SW	United States	Record low maximum temperature	17.8 C (64.0 F)	19 of 100 (Routine)
W Chester 2 NW	United States	Record low maximum temperature	17.2 C (63.0 F)	19 of 100 (Routine)
Dale Enterprise	United States	Record low maximum temperature	19.4 C (66.9 F)	19 of 100 (Routine)
New London	United States	Record low maximum temperature	18.3 C (64.9 F)	18 of 100 (Routine)
Millsboro	United States	Record low maximum temperature	21.7 C (71.1 F)	18 of 100 (Routine)
Annapolis US Naval Aca	United States	Record low maximum temperature	19.4 C (66.9 F)	18 of 100 (Routine)
Darlington	United States	Record low maximum temperature	17.8 C (64.0 F)	18 of 100 (Routine)

Counts by Type and Timescale

227 records

Records set or tied on 21 August 1926 by type: Highest daily maximum 19, Lowest daily maximum 87, Highest daily minimum 24, Lowest daily minimum 24, Heaviest daily rainfall 73.

Records on 21 August 1926 by type
Record type	Records
Highest daily maximum	19
Lowest daily maximum	87
Highest daily minimum	24
Lowest daily minimum	24
Heaviest daily rainfall	73
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1926 by timescale: all-time 0, monthly 5, daily 222.

How Much Records Were Beaten By

192 broken records

Margins by which the 192 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 45.4. Ties are not counted.

Top 20 by Significance

21 August 1926

Top 20 records on 21 August 1926 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1926	Lysebotn, NO	monthly rain	85.7 mm (3.4 in)	32.2 mm (1.3 in)	17 years	51 of 100 (Notable)
21 August 1926	Antigo, US	monthly rain	84.3 mm (3.3 in)	30.2 mm (1.2 in)	30 years	48 of 100 (Notable)
21 August 1926	Palmetto, US	daily rain	57.2 mm (2.3 in)	43.7 mm (1.7 in)	29 years	45 of 100 (Notable)
21 August 1926	Hiram, US	daily rain	47.0 mm (1.9 in)	38.1 mm (1.5 in)	11 years	41 of 100 (Notable)
21 August 1926	Sviland, NO	daily rain	48.7 mm (1.9 in)	28.7 mm (1.1 in)	28 years	40 of 100 (Notable)
21 August 1926	Southampton, CA	monthly rain	71.9 mm (2.8 in)	14.5 mm (0.6 in)	21 years	38 of 100 (Notable)
21 August 1926	Bulken, NO	daily rain	47.8 mm (1.9 in)	20.6 mm (0.8 in)	30 years	37 of 100 (Notable)
21 August 1926	Pocahontas 1, US	daily rain	59.9 mm (2.4 in)	45.4 mm (1.8 in)	24 years	37 of 100 (Notable)
21 August 1926	Stevens Pt, US	daily rain	52.3 mm (2.1 in)	42.4 mm (1.7 in)	7 years	37 of 100 (Notable)
21 August 1926	Martinsburg E W Virginia Rgnl, US	daily low max	16.7 C (62.1 F)	8.9 C (16.0 F)	29 years	35 of 100 (Notable)
21 August 1926	Ventspils, LV	daily rain	29.9 mm (1.2 in)	16.7 mm (0.7 in)	13 years	32 of 100 (Routine)
21 August 1926	Owen Sound, CA	daily rain	54.1 mm (2.1 in)	13.5 mm (0.5 in)	46 years	29 of 100 (Routine)
21 August 1926	Washington, US	daily low max	18.3 C (64.9 F)	5.6 C (10.1 F)	25 years	29 of 100 (Routine)
21 August 1926	Georgetown, CA	daily rain	41.1 mm (1.6 in)	14.7 mm (0.6 in)	35 years	28 of 100 (Routine)
21 August 1926	Schenley Lock 5, US	daily rain	31.8 mm (1.3 in)	21.6 mm (0.9 in)	24 years	28 of 100 (Routine)
21 August 1926	Kingston, US	daily rain	30.5 mm (1.2 in)	16.3 mm (0.6 in)	28 years	26 of 100 (Routine)
21 August 1926	Stratford, CA	daily rain	31.0 mm (1.2 in)	3.1 mm (0.12 in)	56 years	25 of 100 (Routine)
21 August 1926	Frederick Police Brks, US	daily low max	17.2 C (63.0 F)	5.6 C (10.1 F)	25 years	25 of 100 (Routine)
21 August 1926	World Trade Ctr, US	daily low max	17.8 C (64.0 F)	3.9 C (7.0 F)	29 years	25 of 100 (Routine)
21 August 1926	Wilmington Wb City, US	daily rain	50.3 mm (2.0 in)	30.2 mm (1.2 in)	13 years	25 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 1926

Records set or tied on this calendar date in each year from 1800 to 1926. 1926 had 227 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 1926-08-21: 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	159
10 to 20	19
20 to 30	7
30 to 40	4
40 to 50	3