Weather Records on 20 August 1927

338 weather records were set or tied worldwide on 20 August 1927. Highest significance: Uppsala_Aut, SE.

Key Facts for 20 August 1927

On 20 August 1927, 338 weather records were set or tied at long-record stations worldwide.
7 were record highs and 295 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 4 monthly and 332 daily.
Uppsala_Aut set a daily record precipitation of 35.0 mm (1.4 in) on 20 August 1927.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 455 records.

Record Map

338 stations

338 station records on 20 August 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Uppsala_Aut	Sweden	Record daily precipitation	35.0 mm (1.4 in)	61 of 100 (Major)
Bjuraker	Sweden	Record daily precipitation	63.9 mm (2.5 in)	58 of 100 (Notable)
Sveg	Sweden	Record daily precipitation	61.3 mm (2.4 in)	46 of 100 (Notable)
Junsele	Sweden	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Port Gibson 1 NE	United States	Record low minimum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Kristianstad	Sweden	Record daily precipitation	33.8 mm (1.3 in)	41 of 100 (Notable)
Gadsden	United States	Record low minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Natchez	United States	Record low minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Yazoo City	United States	Record low minimum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record daily precipitation	31.0 mm (1.2 in)	36 of 100 (Notable)
Bederkesa	Germany	Record daily precipitation	33.4 mm (1.3 in)	36 of 100 (Notable)
Grand Coteau	United States	Record low minimum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Cheneyville 1 NE	United States	Record low minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Clinton Forestry HQ	United States	Record low minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Woodville 4 ESE	United States	Record low minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Canton 4N	United States	Record low minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Ventspils	Latvia	Record daily precipitation	29.6 mm (1.2 in)	33 of 100 (Routine)
Clanton	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Crystal Springs Exp STN	United States	Record low minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Covington 8 WNW	United States	Record low minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Melville	United States	Record low minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record daily precipitation	48.3 mm (1.9 in)	30 of 100 (Routine)
Murfreesboro 5 N	United States	Record low maximum temperature	22.2 C (72.0 F)	30 of 100 (Routine)
Lincoln Lock 4	United States	Record low minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Holly Springs 2 N	United States	Record low minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Goodwater	United States	Record low minimum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Brookhaven City	United States	Record low minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Louisville	United States	Record low minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Talbotton	United States	Record low minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Macon 2 NE	United States	Record low minimum temperature	14.4 C (57.9 F)	26 of 100 (Routine)
Chattanooga Wb City	United States	Record low minimum temperature	15.0 C (59.0 F)	26 of 100 (Routine)
Decatur	United States	Record low minimum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Thomasville	United States	Record low minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Valley Head	United States	Record low minimum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Frankfort Downtown	United States	Record low maximum temperature	22.2 C (72.0 F)	25 of 100 (Routine)
Irvington	United States	Record low minimum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
Batesville	United States	Record low minimum temperature	12.2 C (54.0 F)	25 of 100 (Routine)
Canton 4N	United States	Record low maximum temperature	22.2 C (72.0 F)	25 of 100 (Routine)
Magnolia	United States	Record low minimum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Mc Minnville	United States	Record low maximum temperature	23.3 C (73.9 F)	25 of 100 (Routine)
Uniontown	United States	Record low minimum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Pine Bluff	United States	Record low minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Plain Dealing	United States	Record low minimum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Hattiesburg 5SW	United States	Record low minimum temperature	16.1 C (61.0 F)	24 of 100 (Routine)
Newberry	United States	Record low minimum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Savannah 6 SW	United States	Record low minimum temperature	11.7 C (53.1 F)	24 of 100 (Routine)
Lafayette Rgnl AP	United States	Record low minimum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Pushmataha	United States	Record low minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Tuscumbia	United States	Record low minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Rome	United States	Record low minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Independence	United States	Record low minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Greensburg	United States	Record daily precipitation	29.0 mm (1.1 in)	23 of 100 (Routine)
Lake	United States	Record low minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Pontotoc	United States	Record low minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Stornoway Airport	United Kingdom	Record low minimum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Madison	United States	Record low minimum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Owensboro 3ENE	United States	Record low minimum temperature	11.1 C (52.0 F)	22 of 100 (Routine)
Franklin 3 NW	United States	Record low minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Kosciusko	United States	Record low minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Murfreesboro 5 N	United States	Record low minimum temperature	10.0 C (50.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

338 records

Records set or tied on 20 August 1927 by type: Lowest daily maximum 88, Highest daily minimum 7, Lowest daily minimum 207, Heaviest daily rainfall 36.

Records on 20 August 1927 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	88
Highest daily minimum	7
Lowest daily minimum	207
Heaviest daily rainfall	36
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1927 by timescale: all-time 2, monthly 4, daily 332.

How Much Records Were Beaten By

269 broken records

Margins by which the 269 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 22.9. Ties are not counted.

Top 20 by Significance

20 August 1927

Top 20 records on 20 August 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1927	Uppsala_Aut, SE	daily rain	35.0 mm (1.4 in)	22.3 mm (0.9 in)	55 years	61 of 100 (Major)
20 August 1927	Bjuraker, SE	all-time rain	63.9 mm (2.5 in)	13.9 mm (0.5 in)	41 years	58 of 100 (Notable)
20 August 1927	Sveg, SE	all-time rain	61.3 mm (2.4 in)	11.2 mm (0.4 in)	11 years	46 of 100 (Notable)
20 August 1927	Junsele, SE	daily rain	37.1 mm (1.5 in)	19.6 mm (0.8 in)	20 years	42 of 100 (Notable)
20 August 1927	Port Gibson 1 NE, US	daily low min	13.3 C (55.9 F)	6.1 C (11.0 F)	32 years	42 of 100 (Notable)
20 August 1927	Kristianstad, SE	daily rain	33.8 mm (1.3 in)	20.8 mm (0.8 in)	8 years	41 of 100 (Notable)
20 August 1927	Gadsden, US	daily low min	11.7 C (53.1 F)	5.5 C (9.9 F)	33 years	41 of 100 (Notable)
20 August 1927	Natchez, US	daily low min	16.1 C (61.0 F)	5.0 C (9.0 F)	30 years	39 of 100 (Notable)
20 August 1927	Yazoo City, US	daily low min	13.3 C (55.9 F)	6.1 C (11.0 F)	30 years	39 of 100 (Notable)
20 August 1927	Koebenhavn: Landbohojskolen-1, DK	daily rain	31.0 mm (1.2 in)	17.0 mm (0.7 in)	8 years	36 of 100 (Notable)
20 August 1927	Bederkesa, DE	daily rain	33.4 mm (1.3 in)	16.2 mm (0.6 in)	32 years	36 of 100 (Notable)
20 August 1927	Grand Coteau, US	daily low min	17.2 C (63.0 F)	3.4 C (6.1 F)	33 years	36 of 100 (Notable)
20 August 1927	Cheneyville 1 NE, US	daily low min	15.6 C (60.1 F)	4.4 C (7.9 F)	33 years	35 of 100 (Notable)
20 August 1927	Clinton Forestry HQ, US	daily low min	16.1 C (61.0 F)	4.5 C (8.1 F)	26 years	35 of 100 (Notable)
20 August 1927	Woodville 4 ESE, US	daily low min	15.6 C (60.1 F)	3.8 C (6.8 F)	29 years	35 of 100 (Notable)
20 August 1927	Canton 4N, US	daily low min	14.4 C (57.9 F)	5.0 C (9.0 F)	17 years	34 of 100 (Routine)
20 August 1927	Ventspils, LV	daily rain	29.6 mm (1.2 in)	17.5 mm (0.7 in)	14 years	33 of 100 (Routine)
20 August 1927	Clanton, US	daily low min	13.9 C (57.0 F)	5.0 C (9.0 F)	29 years	33 of 100 (Routine)
20 August 1927	Crystal Springs Exp STN, US	daily low min	14.4 C (57.9 F)	5.0 C (9.0 F)	8 years	33 of 100 (Routine)
20 August 1927	Covington 8 WNW, US	daily low min	16.7 C (62.1 F)	2.7 C (4.9 F)	33 years	32 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 1927

Records set or tied on this calendar date in each year from 1797 to 1927. 1927 had 338 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 1927-08-20: 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 5	239
5 to 10	17
10 to 15	4
15 to 20	5
20 to 25	4