Weather Records on 21 August 1927

228 weather records were set or tied worldwide on 21 August 1927. Highest significance: Covington 8 WNW, US.

Key Facts for 21 August 1927

On 21 August 1927, 228 weather records were set or tied at long-record stations worldwide.
6 were record highs and 201 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 208 daily.
Covington 8 WNW set a daily record low minimum temperature of 15.6 C (60.1 F) on 21 August 1927.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 451 records.

Record Map

228 stations

228 station records on 21 August 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Covington 8 WNW	United States	Record low minimum temperature	15.6 C (60.1 F)	51 of 100 (Notable)
Uniontown	United States	Record low minimum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Thomasville	United States	Record low minimum temperature	13.3 C (55.9 F)	38 of 100 (Notable)
Burlington	United States	Record daily precipitation	39.1 mm (1.5 in)	38 of 100 (Notable)
Leakesville 6 WSW	United States	Record low minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Yazoo City	United States	Record low minimum temperature	12.2 C (54.0 F)	36 of 100 (Notable)
Abbeville	United States	Record low minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Biloxi	United States	Record low minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Port Gibson 1 NE	United States	Record low minimum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Lincoln Lock 4	United States	Record low minimum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Montgomery Wb City	United States	Record low minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Clinton Forestry HQ	United States	Record low minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Grand Coteau	United States	Record low minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Lake	United States	Record low minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Danevang 1 W	United States	Record low minimum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record low minimum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Husum	Germany	Record daily precipitation	28.9 mm (1.1 in)	29 of 100 (Routine)
Pushmataha	United States	Record low minimum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Franklin 3 NW	United States	Record low minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Scottsboro	United States	Record low minimum temperature	10.0 C (50.0 F)	27 of 100 (Routine)
Ozark	United States	Record low minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Booneville	United States	Record low minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Brookhaven City	United States	Record low minimum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Macon 2 NE	United States	Record low minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Jackson 4 NW	United States	Record low minimum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Greensboro	United States	Record low minimum temperature	14.4 C (57.9 F)	26 of 100 (Routine)
Florence	United States	Record low minimum temperature	11.7 C (53.1 F)	25 of 100 (Routine)
Tuscumbia	United States	Record low minimum temperature	13.3 C (55.9 F)	25 of 100 (Routine)
Robeline	United States	Record low minimum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Austin	United States	Record low minimum temperature	9.4 C (48.9 F)	25 of 100 (Routine)
Madison	United States	Record low minimum temperature	11.1 C (52.0 F)	24 of 100 (Routine)
Natchez	United States	Record low minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Geryville (El-Bayadh)	Algeria	Record low minimum temperature	8.0 C (46.4 F)	23 of 100 (Routine)
Gadsden	United States	Record low minimum temperature	9.4 C (48.9 F)	23 of 100 (Routine)
Union Springs 9 S	United States	Record low minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Plain Dealing	United States	Record low minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Canton 4N	United States	Record low maximum temperature	22.8 C (73.0 F)	23 of 100 (Routine)
Savannah 6 SW	United States	Record low minimum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Lafayette Rgnl AP	United States	Record low minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Eufaula	United States	Record low minimum temperature	14.4 C (57.9 F)	22 of 100 (Routine)
Ocala	United States	Record daily precipitation	55.6 mm (2.2 in)	22 of 100 (Routine)
Temple	United States	Record low minimum temperature	17.8 C (64.0 F)	22 of 100 (Routine)
Decatur	United States	Record low minimum temperature	12.8 C (55.0 F)	21 of 100 (Routine)
Selma	United States	Record low minimum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Batesville	United States	Record low minimum temperature	11.1 C (52.0 F)	21 of 100 (Routine)
Canton 4N	United States	Record low minimum temperature	12.2 C (54.0 F)	21 of 100 (Routine)
Louisville	United States	Record low minimum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Chattanooga Wb City	United States	Record low minimum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Blakely	United States	Record low minimum temperature	15.6 C (60.1 F)	20 of 100 (Routine)
Mt Vernon 3 NE	United States	Record low minimum temperature	9.4 C (48.9 F)	20 of 100 (Routine)
Owensboro 3ENE	United States	Record low minimum temperature	10.0 C (50.0 F)	20 of 100 (Routine)
Minden	United States	Record low minimum temperature	15.6 C (60.1 F)	20 of 100 (Routine)
Hernando	United States	Record low minimum temperature	13.3 C (55.9 F)	20 of 100 (Routine)
Blackville 3 W	United States	Record low minimum temperature	14.4 C (57.9 F)	20 of 100 (Routine)
Franklin Sewage Plt	United States	Record low minimum temperature	11.1 C (52.0 F)	20 of 100 (Routine)
Cobar Post Office	Australia	Record low minimum temperature	-0.6 C (30.9 F)	19 of 100 (Routine)
Vouziers	France	Record daily precipitation	12.1 mm (0.5 in)	19 of 100 (Routine)
Winterswijk	Netherlands	Record daily precipitation	16.5 mm (0.6 in)	19 of 100 (Routine)
Hawkinsville	United States	Record low minimum temperature	16.1 C (61.0 F)	19 of 100 (Routine)
Bay Saint Louis	United States	Record low minimum temperature	17.2 C (63.0 F)	19 of 100 (Routine)

Counts by Type and Timescale

228 records

Records set or tied on 21 August 1927 by type: Highest daily maximum 2, Lowest daily maximum 40, Highest daily minimum 4, Lowest daily minimum 161, Heaviest daily rainfall 21.

Records on 21 August 1927 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	40
Highest daily minimum	4
Lowest daily minimum	161
Heaviest daily rainfall	21
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1927 by timescale: all-time 0, monthly 20, daily 208.

How Much Records Were Beaten By

170 broken records

Margins by which the 170 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 24.6. Ties are not counted.

Top 20 by Significance

21 August 1927

Top 20 records on 21 August 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1927	Covington 8 WNW, US	daily low min	15.6 C (60.1 F)	5.5 C (9.9 F)	32 years	51 of 100 (Notable)
21 August 1927	Uniontown, US	daily low min	12.2 C (54.0 F)	5.6 C (10.1 F)	33 years	41 of 100 (Notable)
21 August 1927	Thomasville, US	daily low min	13.3 C (55.9 F)	5.6 C (10.1 F)	16 years	38 of 100 (Notable)
21 August 1927	Burlington, US	daily rain	39.1 mm (1.5 in)	24.6 mm (1.0 in)	35 years	38 of 100 (Notable)
21 August 1927	Leakesville 6 WSW, US	daily low min	15.0 C (59.0 F)	5.0 C (9.0 F)	16 years	37 of 100 (Notable)
21 August 1927	Yazoo City, US	daily low min	12.2 C (54.0 F)	6.1 C (11.0 F)	20 years	36 of 100 (Notable)
21 August 1927	Abbeville, US	daily low min	16.1 C (61.0 F)	3.3 C (5.9 F)	33 years	34 of 100 (Routine)
21 August 1927	Biloxi, US	daily low min	17.8 C (64.0 F)	3.3 C (5.9 F)	33 years	34 of 100 (Routine)
21 August 1927	Port Gibson 1 NE, US	daily low min	13.3 C (55.9 F)	5.0 C (9.0 F)	20 years	34 of 100 (Routine)
21 August 1927	Lincoln Lock 4, US	daily low min	11.7 C (53.1 F)	5.0 C (9.0 F)	21 years	33 of 100 (Routine)
21 August 1927	Montgomery Wb City, US	daily low min	15.6 C (60.1 F)	2.7 C (4.9 F)	37 years	32 of 100 (Routine)
21 August 1927	Clinton Forestry HQ, US	daily low min	15.6 C (60.1 F)	4.4 C (7.9 F)	18 years	32 of 100 (Routine)
21 August 1927	Grand Coteau, US	daily low min	16.7 C (62.1 F)	2.7 C (4.9 F)	33 years	32 of 100 (Routine)
21 August 1927	Lake, US	daily low min	13.3 C (55.9 F)	4.5 C (8.1 F)	20 years	32 of 100 (Routine)
21 August 1927	Danevang 1 W, US	daily low min	18.3 C (64.9 F)	2.8 C (5.0 F)	29 years	32 of 100 (Routine)
21 August 1927	New Iberia AP - Acadiana Rgnl, US	daily low min	18.9 C (66.0 F)	2.2 C (4.0 F)	33 years	30 of 100 (Routine)
21 August 1927	Husum, DE	daily rain	28.9 mm (1.1 in)	15.3 mm (0.6 in)	14 years	29 of 100 (Routine)
21 August 1927	Pushmataha, US	daily low min	13.3 C (55.9 F)	3.9 C (7.0 F)	20 years	29 of 100 (Routine)
21 August 1927	Franklin 3 NW, US	monthly low min	16.1 C (61.0 F)	1.1 C (2.0 F)	20 years	28 of 100 (Routine)
21 August 1927	Scottsboro, US	daily low min	10.0 C (50.0 F)	5.0 C (9.0 F)	16 years	27 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 1927

Records set or tied on this calendar date in each year from 1800 to 1927. 1927 had 228 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 1927-08-21: 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 5	152
5 to 10	15
10 to 15	0
15 to 20	2
20 to 25	1