Weather Records on 27 August 1939

191 weather records were set or tied worldwide on 27 August 1939. Highest significance: Mykland, NO.

Key Facts for 27 August 1939

On 27 August 1939, 191 weather records were set or tied at long-record stations worldwide.
97 were record highs and 27 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 2 monthly and 187 daily.
Mykland set an all-time record daily precipitation of 173.2 mm (6.8 in) on 27 August 1939.
Across 165 earlier years (1807 to 2026) the same calendar date averaged 439 records.

Record Map

191 stations

191 station records on 27 August 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 August 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mykland	Norway	Record daily precipitation	173.2 mm (6.8 in)	76 of 100 (Major)
Gjerstad I Aust-Agder	Norway	Record daily precipitation	97.7 mm (3.8 in)	50 of 100 (Notable)
Las Vegas 2 NW	United States	Record high minimum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Gavar	Armenia	Record daily precipitation	39.3 mm (1.5 in)	36 of 100 (Notable)
Oksoey Fyr	Norway	Record daily precipitation	48.2 mm (1.9 in)	36 of 100 (Notable)
Plain Dealing	United States	Record daily precipitation	46.0 mm (1.8 in)	36 of 100 (Notable)
Herefoss	Norway	Record daily precipitation	115.5 mm (4.5 in)	35 of 100 (Notable)
Ainsworth	United States	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Durham	United Kingdom	Record daily precipitation	26.1 mm (1.0 in)	27 of 100 (Routine)
Purdum	United States	Record daily precipitation	60.2 mm (2.4 in)	27 of 100 (Routine)
Grassmere	Australia	Record daily precipitation	39.6 mm (1.6 in)	26 of 100 (Routine)
Dahanu	India	Record daily precipitation	104.9 mm (4.1 in)	26 of 100 (Routine)
Visby_Flygplats	Sweden	Record high maximum temperature	26.8 C (80.2 F)	26 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record high minimum temperature	17.0 C (62.6 F)	26 of 100 (Routine)
Yarmouth	Canada	Record high maximum temperature	27.8 C (82.0 F)	25 of 100 (Routine)
Stockholm	Sweden	Record high maximum temperature	23.8 C (74.8 F)	25 of 100 (Routine)
Albany	Australia	Record daily precipitation	32.8 mm (1.3 in)	24 of 100 (Routine)
Halol	India	Record daily precipitation	116.3 mm (4.6 in)	23 of 100 (Routine)
Summerville 4W	United States	Record daily precipitation	50.8 mm (2.0 in)	23 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	24.8 C (76.6 F)	22 of 100 (Routine)
Godhra	India	Record daily precipitation	116.8 mm (4.6 in)	22 of 100 (Routine)
Brenham	United States	Record low maximum temperature	28.3 C (82.9 F)	21 of 100 (Routine)
Hondo	United States	Record low maximum temperature	28.3 C (82.9 F)	21 of 100 (Routine)
Gudauri	Georgia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Yambacoona	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Dromana	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Thasra	India	Record daily precipitation	54.6 mm (2.1 in)	20 of 100 (Routine)
Kazan	Russia	Record low minimum temperature	2.6 C (36.7 F)	20 of 100 (Routine)
Gatesville	United States	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Hana 354	United States	Record daily precipitation	27.2 mm (1.1 in)	20 of 100 (Routine)
Southport	Australia	Record daily precipitation	13.2 mm (0.5 in)	19 of 100 (Routine)
Fort Macleod	Canada	Record high minimum temperature	13.3 C (55.9 F)	19 of 100 (Routine)
Weilerswist-Lommersum	Germany	Record daily precipitation	11.4 mm (0.4 in)	19 of 100 (Routine)
Visby_Flygplats	Sweden	Record high minimum temperature	18.8 C (65.8 F)	19 of 100 (Routine)
Langdon Exp Farm	United States	Record high minimum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Plant City	United States	Record daily precipitation	58.7 mm (2.3 in)	18 of 100 (Routine)
Goldfield	United States	Record high minimum temperature	18.3 C (64.9 F)	18 of 100 (Routine)
Williamsburg 2 NW	United States	Record daily precipitation	36.8 mm (1.4 in)	18 of 100 (Routine)
Moxee	United States	Record high maximum temperature	37.8 C (100.0 F)	18 of 100 (Routine)
Loch	Australia	Record daily precipitation	20.3 mm (0.8 in)	17 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	16.3 C (61.3 F)	17 of 100 (Routine)
Poretskoye	Russia	Record low minimum temperature	3.0 C (37.4 F)	17 of 100 (Routine)
Browning	United States	Record high maximum temperature	31.1 C (88.0 F)	17 of 100 (Routine)
Miles City	United States	Record high minimum temperature	22.8 C (73.0 F)	17 of 100 (Routine)
Cleve (Pineside)	Australia	Record daily precipitation	4.6 mm (0.18 in)	16 of 100 (Routine)
Georgetown Post Office	Australia	Record low minimum temperature	5.6 C (42.1 F)	16 of 100 (Routine)
Patan	India	Record daily precipitation	53.3 mm (2.1 in)	16 of 100 (Routine)
Durham	United Kingdom	Record high minimum temperature	13.9 C (57.0 F)	16 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record high maximum temperature	36.1 C (97.0 F)	16 of 100 (Routine)
Browning	United States	Record high minimum temperature	13.3 C (55.9 F)	16 of 100 (Routine)
Los Lunas	United States	Record high minimum temperature	20.0 C (68.0 F)	16 of 100 (Routine)
Grafton	United States	Record high minimum temperature	21.1 C (70.0 F)	16 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high maximum temperature	35.6 C (96.1 F)	16 of 100 (Routine)
Brownwood 2NE	United States	Record daily precipitation	9.7 mm (0.38 in)	16 of 100 (Routine)
Rhinelander	United States	Record high minimum temperature	19.4 C (66.9 F)	16 of 100 (Routine)
Morden	Canada	Record high minimum temperature	20.6 C (69.1 F)	15 of 100 (Routine)
Kustanai	Kazakhstan	Record low minimum temperature	1.5 C (34.7 F)	15 of 100 (Routine)
Vastervik	Sweden	Record high minimum temperature	18.7 C (65.7 F)	15 of 100 (Routine)
Burlington	United States	Record high minimum temperature	18.3 C (64.9 F)	15 of 100 (Routine)
Cuero	United States	Record low maximum temperature	28.9 C (84.0 F)	15 of 100 (Routine)

Counts by Type and Timescale

191 records

Records set or tied on 27 August 1939 by type: Highest daily maximum 31, Lowest daily maximum 16, Highest daily minimum 66, Lowest daily minimum 11, Heaviest daily rainfall 67.

Records on 27 August 1939 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	16
Highest daily minimum	66
Lowest daily minimum	11
Heaviest daily rainfall	67
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 August 1939 by timescale: all-time 2, monthly 2, daily 187.

How Much Records Were Beaten By

148 broken records

Margins by which the 148 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.2. Ties are not counted.

Top 20 by Significance

27 August 1939

Top 20 records on 27 August 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 August 1939	Mykland, NO	all-time rain	173.2 mm (6.8 in)	73.2 mm (2.9 in)	43 years	76 of 100 (Major)
27 August 1939	Gjerstad I Aust-Agder, NO	daily rain	97.7 mm (3.8 in)	50.8 mm (2.0 in)	41 years	50 of 100 (Notable)
27 August 1939	Las Vegas 2 NW, US	daily high min	20.0 C (68.0 F)	6.1 C (11.0 F)	20 years	38 of 100 (Notable)
27 August 1939	Gavar, AM	daily rain	39.3 mm (1.5 in)	18.1 mm (0.7 in)	28 years	36 of 100 (Notable)
27 August 1939	Oksoey Fyr, NO	daily rain	48.2 mm (1.9 in)	18.0 mm (0.7 in)	33 years	36 of 100 (Notable)
27 August 1939	Plain Dealing, US	daily rain	46.0 mm (1.8 in)	30.0 mm (1.2 in)	37 years	36 of 100 (Notable)
27 August 1939	Herefoss, NO	all-time rain	115.5 mm (4.5 in)	7.3 mm (0.29 in)	16 years	35 of 100 (Notable)
27 August 1939	Ainsworth, US	daily rain	33.0 mm (1.3 in)	24.1 mm (0.9 in)	20 years	29 of 100 (Routine)
27 August 1939	Durham, GB	daily rain	26.1 mm (1.0 in)	8.6 mm (0.34 in)	21 years	27 of 100 (Routine)
27 August 1939	Purdum, US	daily rain	60.2 mm (2.4 in)	21.8 mm (0.9 in)	24 years	27 of 100 (Routine)
27 August 1939	Grassmere, AU	daily rain	39.6 mm (1.6 in)	12.2 mm (0.5 in)	29 years	26 of 100 (Routine)
27 August 1939	Dahanu, IN	daily rain	104.9 mm (4.1 in)	40.9 mm (1.6 in)	21 years	26 of 100 (Routine)
27 August 1939	Visby_Flygplats, SE	daily high max	26.8 C (80.2 F)	1.8 C (3.2 F)	50 years	26 of 100 (Routine)
27 August 1939	Linkoeping-Malmslaett, SE	daily high min	17.0 C (62.6 F)	2.5 C (4.5 F)	37 years	26 of 100 (Routine)
27 August 1939	Yarmouth, CA	daily high max	27.8 C (82.0 F)	2.2 C (4.0 F)	37 years	25 of 100 (Routine)
27 August 1939	Stockholm, SE	daily high max	23.8 C (74.8 F)	1.8 C (3.2 F)	51 years	25 of 100 (Routine)
27 August 1939	Albany, AU	daily rain	32.8 mm (1.3 in)	9.2 mm (0.36 in)	22 years	24 of 100 (Routine)
27 August 1939	Halol, IN	daily rain	116.3 mm (4.6 in)	49.0 mm (1.9 in)	5 years	23 of 100 (Routine)
27 August 1939	Summerville 4W, US	daily rain	50.8 mm (2.0 in)	14.5 mm (0.6 in)	34 years	23 of 100 (Routine)
27 August 1939	Vestervig, DK	daily high max	24.8 C (76.6 F)	0.4 C (0.7 F)	51 years	22 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

1807 to 1939

Records set or tied on this calendar date in each year from 1807 to 1939. 1939 had 191 records.

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

Records on 08-27 in each year
Year	Records
1807	3
1810	1
1811	1
1813	1
1816	1
1827	1
1829	1
1834	1
1846	1
1847	1
1848	1
1854	1
1857	1
1858	1
1859	1
1863	1
1864	3
1865	2
1869	1
1870	1
1871	1
1874	1
1876	1
1877	4
1880	1
1881	2
1882	1
1884	3
1885	2
1886	2
1887	2
1889	1
1890	10
1891	4
1892	1
1894	7
1895	1
1896	4
1899	5
1900	5
1901	6
1902	2
1903	22
1904	4
1905	16
1906	27
1907	9
1908	10
1909	10
1910	6
1911	16
1912	40
1913	10
1914	31
1915	37
1916	106
1917	57
1918	18
1919	78
1920	36
1921	27
1922	52
1923	63
1924	245
1925	102
1926	143
1927	395
1928	197
1929	80
1930	247
1931	205
1932	355
1933	368
1934	249
1935	348
1936	806
1937	679
1938	374
1939	191
1940	468
1941	504
1942	476
1943	581
1944	811
1945	414
1946	345
1947	291
1948	987
1949	475
1950	380
1951	415
1952	402
1953	712
1954	594
1955	485
1956	387
1957	615
1958	213
1959	522
1960	365
1961	365
1962	577
1963	335
1964	400
1965	440
1966	406
1967	887
1968	517
1969	780
1970	1,361
1971	640
1972	722
1973	1,519
1974	722
1975	506
1976	565
1977	793
1978	671
1979	917
1980	478
1981	998
1982	828
1983	823
1984	683
1985	660
1986	1,072
1987	1,356
1988	601
1989	854
1990	761
1991	813
1992	1,657
1993	1,087
1994	696
1995	1,143
1996	968
1997	1,189
1998	1,387
1999	1,258
2000	865
2001	1,304
2002	1,027
2003	916
2004	1,037
2005	733
2006	1,090
2007	958
2008	885
2009	701
2010	1,045
2011	1,518
2012	626
2013	629
2014	582
2015	832
2016	968
2017	838
2018	933
2019	1,013
2020	777
2021	635
2022	470
2023	953
2024	600
2025	1,218
2026	815

Download the Data

Data for records on 1939-08-27: 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	128
10 to 20	12
20 to 30	3
30 to 40	1
40 to 50	2
50 to 60	1
60 to 70	0
70 to 80	1