Weather Records on 27 April 1915

77 weather records were set or tied worldwide on 27 April 1915. Highest significance: Toronto, CA.

Key Facts for 27 April 1915

On 27 April 1915, 77 weather records were set or tied at long-record stations worldwide.
69 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 57 daily.
Toronto set a daily record high maximum temperature of 27.8 C (82.0 F) on 27 April 1915.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 478 records.

Record Map

77 stations

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

Weather records on 27 April 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Toronto	Canada	Record high maximum temperature	27.8 C (82.0 F)	26 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record high minimum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Ottawa	Canada	Record high minimum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	34.4 C (93.9 F)	22 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	16.1 C (61.0 F)	21 of 100 (Routine)
Baltimore Customs House	United States	Record high minimum temperature	20.0 C (68.0 F)	21 of 100 (Routine)
Barrie	Canada	Record high minimum temperature	13.3 C (55.9 F)	20 of 100 (Routine)
Port Dover	Canada	Record high minimum temperature	15.0 C (59.0 F)	20 of 100 (Routine)
Brantford	Canada	Record high minimum temperature	15.6 C (60.1 F)	20 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	32.8 C (91.0 F)	20 of 100 (Routine)
Constantine	Algeria	Record daily precipitation	17.0 mm (0.7 in)	19 of 100 (Routine)
Stonecliffe	Canada	Record high minimum temperature	9.4 C (48.9 F)	19 of 100 (Routine)
Milwaukee Wb City	United States	Record high minimum temperature	14.4 C (57.9 F)	19 of 100 (Routine)
Barrie	Canada	Record high maximum temperature	27.2 C (81.0 F)	18 of 100 (Routine)
Parry Sound	Canada	Record high maximum temperature	28.3 C (82.9 F)	18 of 100 (Routine)
Toronto	Canada	Record high minimum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Southampton	Canada	Record high minimum temperature	13.3 C (55.9 F)	17 of 100 (Routine)
Hamilton	Canada	Record high maximum temperature	30.0 C (86.0 F)	17 of 100 (Routine)
Middletown 4 W	United States	Record high minimum temperature	12.8 C (55.0 F)	17 of 100 (Routine)
Philadelphia City	United States	Record high minimum temperature	20.0 C (68.0 F)	17 of 100 (Routine)
Windsor Riverside	Canada	Record high minimum temperature	15.6 C (60.1 F)	16 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	17.2 C (63.0 F)	16 of 100 (Routine)
Cape May 2 NW	United States	Record high minimum temperature	16.1 C (61.0 F)	16 of 100 (Routine)
Buffalo	United States	Record high minimum temperature	13.3 C (55.9 F)	16 of 100 (Routine)
State College	United States	Record high maximum temperature	31.7 C (89.1 F)	16 of 100 (Routine)
Washington	United States	Record high maximum temperature	35.0 C (95.0 F)	16 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	26.1 C (79.0 F)	15 of 100 (Routine)
Pointe Au Pere	Canada	Record low maximum temperature	2.2 C (36.0 F)	15 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	29.4 C (84.9 F)	15 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	10.0 C (50.0 F)	14 of 100 (Routine)
Welland	Canada	Record high maximum temperature	27.2 C (81.0 F)	14 of 100 (Routine)
Vineland	United States	Record high maximum temperature	33.9 C (93.0 F)	14 of 100 (Routine)
Greenville Dwtn AP	United States	Record high maximum temperature	32.8 C (91.0 F)	14 of 100 (Routine)
Morgantown 1	United States	Record high minimum temperature	16.1 C (61.0 F)	14 of 100 (Routine)
Ny City Cntrl Park	United States	Record high maximum temperature	33.3 C (91.9 F)	14 of 100 (Routine)
Beatrice	Canada	Record high maximum temperature	27.8 C (82.0 F)	13 of 100 (Routine)
Brantford	Canada	Record high maximum temperature	28.3 C (82.9 F)	13 of 100 (Routine)
Peterborough	Canada	Record high maximum temperature	26.7 C (80.1 F)	13 of 100 (Routine)
Toledo Blade	United States	Record high minimum temperature	19.4 C (66.9 F)	13 of 100 (Routine)
Stonecliffe	Canada	Record high maximum temperature	28.3 C (82.9 F)	12 of 100 (Routine)
Montagu (Pol)	South Africa	Record daily precipitation	0.5 mm (0.02 in)	12 of 100 (Routine)
State College	United States	Record high minimum temperature	18.3 C (64.9 F)	12 of 100 (Routine)
Port Stanley	Canada	Record high minimum temperature	12.8 C (55.0 F)	10 of 100 (Routine)
Windsor Riverside	Canada	Record high maximum temperature	28.9 C (84.0 F)	10 of 100 (Routine)
London South	Canada	Record high maximum temperature	28.9 C (84.0 F)	10 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	6.7 C (44.1 F)	9 of 100 (Routine)
Dalhousie	Canada	Record daily precipitation	17.8 mm (0.7 in)	9 of 100 (Routine)
Zametchino	Russia	Record daily precipitation	4.1 mm (0.16 in)	9 of 100 (Routine)
Middletown 4 W	United States	Record high maximum temperature	28.9 C (84.0 F)	9 of 100 (Routine)
Morgantown 1	United States	Record high maximum temperature	30.6 C (87.1 F)	9 of 100 (Routine)
Darwin Post Office	Australia	Record high minimum temperature	25.5 C (77.9 F)	8 of 100 (Routine)
Qu'appelle	Canada	Record high maximum temperature	26.1 C (79.0 F)	8 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	11.1 C (52.0 F)	8 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record high maximum temperature	28.3 C (82.9 F)	8 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	18.3 C (64.9 F)	8 of 100 (Routine)
Peterborough	Canada	Record high minimum temperature	12.8 C (55.0 F)	6 of 100 (Routine)
Vineland	United States	Record high minimum temperature	13.9 C (57.0 F)	6 of 100 (Routine)
Baltimore Customs House	United States	Record high maximum temperature	31.1 C (88.0 F)	6 of 100 (Routine)
Blue Hill Coop	United States	Record high maximum temperature	27.2 C (81.0 F)	5 of 100 (Routine)

Counts by Type and Timescale

77 records

Records set or tied on 27 April 1915 by type: Highest daily maximum 37, Lowest daily maximum 2, Highest daily minimum 32, Lowest daily minimum 1, Heaviest daily rainfall 5.

Records on 27 April 1915 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	2
Highest daily minimum	32
Lowest daily minimum	1
Heaviest daily rainfall	5
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 April 1915 by timescale: all-time 0, monthly 20, daily 57.

How Much Records Were Beaten By

62 broken records

Margins by which the 62 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.6. Ties are not counted.

Top 20 by Significance

27 April 1915

Top 20 records on 27 April 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 April 1915	Toronto, CA	daily high max	27.8 C (82.0 F)	6.7 C (12.1 F)	23 years	26 of 100 (Routine)
27 April 1915	Cleveland 2717 Euclid, US	daily high min	19.4 C (66.9 F)	3.8 C (6.8 F)	43 years	25 of 100 (Routine)
27 April 1915	Woodstock, CA	monthly high min	18.3 C (64.9 F)	2.7 C (4.9 F)	19 years	24 of 100 (Routine)
27 April 1915	Ottawa, CA	monthly high min	15.6 C (60.1 F)	2.8 C (5.0 F)	11 years	22 of 100 (Routine)
27 April 1915	Newark Liberty Intl AP, US	monthly high max	34.4 C (93.9 F)	0.5 C (0.9 F)	19 years	22 of 100 (Routine)
27 April 1915	Atlantic City Marina, US	monthly high min	16.1 C (61.0 F)	1.7 C (3.1 F)	11 years	21 of 100 (Routine)
27 April 1915	Baltimore Customs House, US	daily high min	20.0 C (68.0 F)	3.3 C (5.9 F)	33 years	21 of 100 (Routine)
27 April 1915	Barrie, CA	daily high min	13.3 C (55.9 F)	5.5 C (9.9 F)	15 years	20 of 100 (Routine)
27 April 1915	Port Dover, CA	monthly high min	15.0 C (59.0 F)	0.6 C (1.1 F)	19 years	20 of 100 (Routine)
27 April 1915	Brantford, CA	monthly high min	15.6 C (60.1 F)	0.6 C (1.1 F)	19 years	20 of 100 (Routine)
27 April 1915	World Trade Ctr, US	monthly high max	32.8 C (91.0 F)	0.6 C (1.1 F)	19 years	20 of 100 (Routine)
27 April 1915	Constantine, DZ	daily rain	17.0 mm (0.7 in)	8.6 mm (0.34 in)	12 years	19 of 100 (Routine)
27 April 1915	Stonecliffe, CA	daily high min	9.4 C (48.9 F)	2.7 C (4.9 F)	36 years	19 of 100 (Routine)
27 April 1915	Milwaukee Wb City, US	daily high min	14.4 C (57.9 F)	2.2 C (4.0 F)	33 years	19 of 100 (Routine)
27 April 1915	Barrie, CA	daily high max	27.2 C (81.0 F)	5.0 C (9.0 F)	20 years	18 of 100 (Routine)
27 April 1915	Parry Sound, CA	monthly high max	28.3 C (82.9 F)	0.5 C (0.9 F)	15 years	18 of 100 (Routine)
27 April 1915	Toronto, CA	monthly high min	15.6 C (60.1 F)	0.6 C (1.1 F)	0 years	18 of 100 (Routine)
27 April 1915	Southampton, CA	daily high min	13.3 C (55.9 F)	1.6 C (2.9 F)	35 years	17 of 100 (Routine)
27 April 1915	Hamilton, CA	daily high max	30.0 C (86.0 F)	2.8 C (5.0 F)	26 years	17 of 100 (Routine)
27 April 1915	Middletown 4 W, US	daily high min	12.8 C (55.0 F)	1.1 C (2.0 F)	36 years	17 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

1795 to 1915

Records set or tied on this calendar date in each year from 1795 to 1915. 1915 had 77 records.

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

Records on 04-27 in each year
Year	Records
1795	1
1801	1
1802	2
1812	1
1814	1
1817	3
1828	1
1838	1
1841	1
1843	1
1852	1
1853	1
1855	1
1856	1
1857	1
1862	2
1873	2
1874	4
1879	1
1882	2
1884	2
1885	5
1887	1
1888	4
1890	3
1891	1
1892	3
1893	3
1894	7
1895	2
1896	3
1897	4
1899	5
1900	4
1901	3
1903	5
1904	11
1905	16
1906	13
1907	31
1908	27
1909	51
1910	8
1911	37
1912	5
1913	73
1914	19
1915	77
1916	36
1917	47
1918	55
1919	69
1920	44
1921	71
1922	151
1923	110
1924	103
1925	113
1926	287
1927	114
1928	404
1929	71
1930	80
1931	454
1932	331
1933	328
1934	275
1935	227
1936	97
1937	377
1938	467
1939	212
1940	268
1941	361
1942	569
1943	374
1944	214
1945	476
1946	512
1947	373
1948	535
1949	516
1950	617
1951	409
1952	722
1953	651
1954	875
1955	937
1956	685
1957	552
1958	461
1959	470
1960	684
1961	313
1962	741
1963	768
1964	711
1965	568
1966	1,282
1967	733
1968	372
1969	543
1970	1,142
1971	758
1972	645
1973	1,188
1974	926
1975	820
1976	810
1977	801
1978	694
1979	758
1980	706
1981	1,148
1982	685
1983	921
1984	1,754
1985	1,141
1986	1,225
1987	1,482
1988	893
1989	1,320
1990	1,321
1991	1,028
1992	2,163
1993	1,285
1994	1,614
1995	806
1996	1,034
1997	1,588
1998	872
1999	544
2000	1,171
2001	1,138
2002	1,024
2003	840
2004	937
2005	675
2006	705
2007	1,055
2008	1,032
2009	1,299
2010	751
2011	1,291
2012	1,015
2013	568
2014	656
2015	608
2016	755
2017	918
2018	407
2019	626
2020	497
2021	450
2022	567
2023	536
2024	574
2025	659
2026	450

Download the Data

Data for records on 1915-04-27: 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 2	35
2 to 4	20
4 to 6	5
6 to 8	1
8 to 10	1