Weather Records on 27 August 1915

37 weather records were set or tied worldwide on 27 August 1915. Highest significance: Port Dover, CA.

Key Facts for 27 August 1915

On 27 August 1915, 37 weather records were set or tied at long-record stations worldwide.
9 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 34 daily.
Port Dover set a monthly record low minimum temperature of 5.0 C (41.0 F) on 27 August 1915.
Across 165 earlier years (1807 to 2026) the same calendar date averaged 440 records.

Record Map

37 stations

37 station records on 27 August 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 August 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Port Dover	Canada	Record low minimum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	21.1 C (70.0 F)	22 of 100 (Routine)
Escanaba	United States	Record low minimum temperature	2.8 C (37.0 F)	20 of 100 (Routine)
Dubuque River	United States	Record low minimum temperature	6.1 C (43.0 F)	19 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	18.9 C (66.0 F)	17 of 100 (Routine)
Kingston Queens U	Canada	Record low minimum temperature	5.6 C (42.1 F)	15 of 100 (Routine)
Windsor Riverside	Canada	Record low maximum temperature	17.8 C (64.0 F)	15 of 100 (Routine)
Yarmouth	Canada	Record low maximum temperature	13.9 C (57.0 F)	15 of 100 (Routine)
World Trade Ctr	United States	Record low maximum temperature	17.2 C (63.0 F)	15 of 100 (Routine)
Morgantown 1	United States	Record low maximum temperature	21.1 C (70.0 F)	15 of 100 (Routine)
Ny City Cntrl Park	United States	Record low maximum temperature	17.2 C (63.0 F)	15 of 100 (Routine)
Ottawa	Canada	Record low minimum temperature	4.4 C (39.9 F)	14 of 100 (Routine)
Gravenhurst	Canada	Record low minimum temperature	0.6 C (33.1 F)	14 of 100 (Routine)
Winnemucca AP	United States	Record high maximum temperature	36.1 C (97.0 F)	14 of 100 (Routine)
Cape Northumberland	Australia	Record daily precipitation	13.5 mm (0.5 in)	13 of 100 (Routine)
Vanersborg	Sweden	Record high minimum temperature	13.5 C (56.3 F)	13 of 100 (Routine)
Normanville	Australia	Record daily precipitation	10.2 mm (0.4 in)	12 of 100 (Routine)
San Diego Wbo	United States	Record high maximum temperature	32.8 C (91.0 F)	12 of 100 (Routine)
Gavle	Sweden	Record high minimum temperature	13.5 C (56.3 F)	11 of 100 (Routine)
La Crosse Wb City	United States	Record low minimum temperature	5.6 C (42.1 F)	10 of 100 (Routine)
State College	United States	Record low maximum temperature	17.8 C (64.0 F)	9 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low maximum temperature	20.0 C (68.0 F)	9 of 100 (Routine)
Little Rock St Capitol	United States	Record low maximum temperature	23.3 C (73.9 F)	8 of 100 (Routine)
Kingston SE	Australia	Record daily precipitation	12.2 mm (0.5 in)	6 of 100 (Routine)
Owen Sound	Canada	Record low minimum temperature	2.2 C (36.0 F)	5 of 100 (Routine)
Malvern	United States	Record daily precipitation	21.6 mm (0.9 in)	5 of 100 (Routine)
Madison Wb City	United States	Record low minimum temperature	7.8 C (46.0 F)	5 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	14.5 C (58.1 F)	4 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high minimum temperature	8.9 C (48.0 F)	3 of 100 (Routine)
Parry Sound	Canada	Record low minimum temperature	3.3 C (37.9 F)	3 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	16.1 C (61.0 F)	3 of 100 (Routine)
Anticosti SW Point	Canada	Record low minimum temperature	2.2 C (36.0 F)	3 of 100 (Routine)
Skara 1	Sweden	Record high minimum temperature	12.0 C (53.6 F)	3 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	6.1 C (43.0 F)	3 of 100 (Routine)
Toledo Blade	United States	Record low minimum temperature	9.4 C (48.9 F)	3 of 100 (Routine)
Port Arthur	Canada	Record low minimum temperature	1.1 C (34.0 F)	2 of 100 (Routine)
Burlington	United States	Record low maximum temperature	17.2 C (63.0 F)	2 of 100 (Routine)

Counts by Type and Timescale

37 records

Records set or tied on 27 August 1915 by type: Highest daily maximum 2, Lowest daily maximum 10, Highest daily minimum 7, Lowest daily minimum 14, Heaviest daily rainfall 4.

Records on 27 August 1915 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	10
Highest daily minimum	7
Lowest daily minimum	14
Heaviest daily rainfall	4
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 August 1915 by timescale: all-time 0, monthly 3, daily 34.

How Much Records Were Beaten By

26 broken records

Margins by which the 26 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 3.3. Ties are not counted.

Top 20 by Significance

27 August 1915

Top 20 records on 27 August 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 August 1915	Port Dover, CA	monthly low min	5.0 C (41.0 F)	0.6 C (1.1 F)	23 years	22 of 100 (Routine)
27 August 1915	San Diego Wbo, US	daily high min	21.1 C (70.0 F)	1.1 C (2.0 F)	39 years	22 of 100 (Routine)
27 August 1915	Escanaba, US	daily low min	2.8 C (37.0 F)	2.8 C (5.0 F)	31 years	20 of 100 (Routine)
27 August 1915	Dubuque River, US	daily low min	6.1 C (43.0 F)	1.7 C (3.1 F)	38 years	19 of 100 (Routine)
27 August 1915	Medicine Hat A, CA	daily high min	18.9 C (66.0 F)	3.3 C (5.9 F)	16 years	17 of 100 (Routine)
27 August 1915	Kingston Queens U, CA	daily low min	5.6 C (42.1 F)	1.1 C (2.0 F)	29 years	15 of 100 (Routine)
27 August 1915	Windsor Riverside, CA	daily low max	17.8 C (64.0 F)	1.1 C (2.0 F)	29 years	15 of 100 (Routine)
27 August 1915	Yarmouth, CA	daily low max	13.9 C (57.0 F)	0.5 C (0.9 F)	31 years	15 of 100 (Routine)
27 August 1915	World Trade Ctr, US	daily low max	17.2 C (63.0 F)	1.1 C (2.0 F)	29 years	15 of 100 (Routine)
27 August 1915	Morgantown 1, US	daily low max	21.1 C (70.0 F)	0.6 C (1.1 F)	35 years	15 of 100 (Routine)
27 August 1915	Ny City Cntrl Park, US	daily low max	17.2 C (63.0 F)	1.1 C (2.0 F)	29 years	15 of 100 (Routine)
27 August 1915	Ottawa, CA	daily low min	4.4 C (39.9 F)	0.6 C (1.1 F)	30 years	14 of 100 (Routine)
27 August 1915	Gravenhurst, CA	daily low min	0.6 C (33.1 F)	1.1 C (2.0 F)	29 years	14 of 100 (Routine)
27 August 1915	Winnemucca AP, US	daily high max	36.1 C (97.0 F)	1.7 C (3.1 F)	23 years	14 of 100 (Routine)
27 August 1915	Cape Northumberland, AU	daily rain	13.5 mm (0.5 in)	1.6 mm (0.06 in)	20 years	13 of 100 (Routine)
27 August 1915	Vanersborg, SE	daily high min	13.5 C (56.3 F)	0.5 C (0.9 F)	28 years	13 of 100 (Routine)
27 August 1915	Normanville, AU	daily rain	10.2 mm (0.4 in)	0.5 mm (0.02 in)	24 years	12 of 100 (Routine)
27 August 1915	San Diego Wbo, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	20 years	12 of 100 (Routine)
27 August 1915	Gavle, SE	daily high min	13.5 C (56.3 F)	0.5 C (0.9 F)	23 years	11 of 100 (Routine)
27 August 1915	La Crosse Wb City, US	daily low min	5.6 C (42.1 F)	0.5 C (0.9 F)	18 years	10 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 1915

Records set or tied on this calendar date in each year from 1807 to 1915. 1915 had 37 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 1915-08-27: 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
0.0 to 0.5	0
0.5 to 1.0	11
1.0 to 1.5	9
1.5 to 2.0	4
2.0 to 2.5	0
2.5 to 3.0	1
3.0 to 3.5	1