Weather Records on 27 May 1915

63 weather records were set or tied worldwide on 27 May 1915. Highest significance: Newark Liberty Intl AP, US.

Key Facts for 27 May 1915

On 27 May 1915, 63 weather records were set or tied at long-record stations worldwide.
2 were record highs and 45 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 61 daily.
Newark Liberty Intl AP set a daily record low minimum temperature of 5.0 C (41.0 F) on 27 May 1915.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 420 records.

Record Map

63 stations

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

Weather records on 27 May 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Newark Liberty Intl AP	United States	Record low minimum temperature	5.0 C (41.0 F)	34 of 100 (Routine)
Chatham	Canada	Record daily snowfall	7.4 cm (2.9 in)	29 of 100 (Routine)
Nerchinskij Zavod	Russia	Record daily precipitation	34.2 mm (1.3 in)	28 of 100 (Routine)
Kingston Queens U	Canada	Record low minimum temperature	-1.1 C (30.0 F)	27 of 100 (Routine)
Welland	Canada	Record low minimum temperature	0.0 C (32.0 F)	26 of 100 (Routine)
Anticosti SW Point	Canada	Record daily precipitation	35.3 mm (1.4 in)	24 of 100 (Routine)
Bic	Canada	Record daily snowfall	5.1 cm (2.0 in)	22 of 100 (Routine)
Saint John	Canada	Record low minimum temperature	0.0 C (32.0 F)	22 of 100 (Routine)
Lawrence	United States	Record daily precipitation	96.0 mm (3.8 in)	22 of 100 (Routine)
Portland	United States	Record low minimum temperature	1.7 C (35.1 F)	21 of 100 (Routine)
Olympia Priest Pt Park	United States	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Hamilton	Canada	Record low minimum temperature	1.7 C (35.1 F)	20 of 100 (Routine)
Saint John	Canada	Record daily snowfall	1.5 cm (0.6 in)	20 of 100 (Routine)
Gorki	Belarus	Record daily precipitation	14.1 mm (0.6 in)	19 of 100 (Routine)
Beatrice	Canada	Record low minimum temperature	-5.0 C (23.0 F)	19 of 100 (Routine)
Peterborough	Canada	Record low minimum temperature	-1.7 C (28.9 F)	19 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	22.9 mm (0.9 in)	19 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	0.6 C (33.1 F)	19 of 100 (Routine)
Blue Hill Coop	United States	Record low minimum temperature	2.2 C (36.0 F)	19 of 100 (Routine)
Ottawa	Canada	Record low minimum temperature	1.1 C (34.0 F)	18 of 100 (Routine)
Dalhousie	Canada	Record low minimum temperature	-2.2 C (28.0 F)	18 of 100 (Routine)
World Trade Ctr	United States	Record low minimum temperature	5.0 C (41.0 F)	18 of 100 (Routine)
Philadelphia City	United States	Record low minimum temperature	6.7 C (44.1 F)	18 of 100 (Routine)
Port Dover	Canada	Record low minimum temperature	0.6 C (33.1 F)	17 of 100 (Routine)
Fredericton Unb	Canada	Record daily snowfall	0.5 cm (0.2 in)	17 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	6.1 C (43.0 F)	17 of 100 (Routine)
Gravenhurst	Canada	Record low minimum temperature	-5.0 C (23.0 F)	16 of 100 (Routine)
Montreal McGill	Canada	Record low minimum temperature	1.7 C (35.1 F)	16 of 100 (Routine)
Pointe Au Pere	Canada	Record daily snowfall	0.3 cm (0.1 in)	16 of 100 (Routine)
Halifax	Canada	Record low minimum temperature	-0.6 C (30.9 F)	16 of 100 (Routine)
Charlottetown	Canada	Record daily precipitation	31.5 mm (1.2 in)	16 of 100 (Routine)
Baltimore Customs House	United States	Record low minimum temperature	6.1 C (43.0 F)	16 of 100 (Routine)
Washington	United States	Record low minimum temperature	5.6 C (42.1 F)	16 of 100 (Routine)
Ny City Cntrl Park	United States	Record low minimum temperature	6.1 C (43.0 F)	16 of 100 (Routine)
Parry Sound	Canada	Record low minimum temperature	-3.3 C (26.1 F)	15 of 100 (Routine)
Quebec	Canada	Record low minimum temperature	0.0 C (32.0 F)	15 of 100 (Routine)
Pointe Au Pere	Canada	Record low minimum temperature	0.0 C (32.0 F)	15 of 100 (Routine)
London South	Canada	Record low minimum temperature	-2.8 C (27.0 F)	14 of 100 (Routine)
Dalhousie	Canada	Record low maximum temperature	8.3 C (46.9 F)	14 of 100 (Routine)
Southampton	Canada	Record low minimum temperature	-3.3 C (26.1 F)	13 of 100 (Routine)
Port Stanley	Canada	Record low minimum temperature	-1.1 C (30.0 F)	13 of 100 (Routine)
Woodstock	Canada	Record low minimum temperature	-1.1 C (30.0 F)	13 of 100 (Routine)
Lindsay	Canada	Record low minimum temperature	-2.2 C (28.0 F)	13 of 100 (Routine)
State College	United States	Record low minimum temperature	1.1 C (34.0 F)	13 of 100 (Routine)
Ekaterinburg	Russia	Record daily precipitation	8.9 mm (0.35 in)	12 of 100 (Routine)
Atlantic City Marina	United States	Record low minimum temperature	6.7 C (44.1 F)	12 of 100 (Routine)
Windsor Riverside	Canada	Record low minimum temperature	2.8 C (37.0 F)	11 of 100 (Routine)
Yarmouth	Canada	Record low maximum temperature	10.0 C (50.0 F)	11 of 100 (Routine)
Malvern	United States	Record daily precipitation	25.4 mm (1.0 in)	11 of 100 (Routine)
Vineland	United States	Record low minimum temperature	4.4 C (39.9 F)	11 of 100 (Routine)
Morgantown 1	United States	Record low minimum temperature	2.2 C (36.0 F)	11 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	16.7 C (62.1 F)	10 of 100 (Routine)
Huron Rgnl AP	United States	Record low maximum temperature	10.6 C (51.1 F)	10 of 100 (Routine)
Barrie	Canada	Record low minimum temperature	-1.1 C (30.0 F)	8 of 100 (Routine)
Truro	Canada	Record daily precipitation	32.3 mm (1.3 in)	8 of 100 (Routine)
Halifax	Canada	Record daily precipitation	31.2 mm (1.2 in)	7 of 100 (Routine)
Toledo Blade	United States	Record low maximum temperature	11.1 C (52.0 F)	7 of 100 (Routine)
Darwin Post Office	Australia	Record low maximum temperature	28.8 C (83.8 F)	3 of 100 (Routine)
San Diego Wbo	United States	Record high maximum temperature	28.9 C (84.0 F)	3 of 100 (Routine)
Fredericton Unb	Canada	Record low minimum temperature	-0.6 C (30.9 F)	2 of 100 (Routine)

Counts by Type and Timescale

63 records

Records set or tied on 27 May 1915 by type: Highest daily maximum 1, Lowest daily maximum 6, Highest daily minimum 1, Lowest daily minimum 39, Heaviest daily rainfall 11, Heaviest daily snowfall 5.

Records on 27 May 1915 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	6
Highest daily minimum	1
Lowest daily minimum	39
Heaviest daily rainfall	11
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 27 May 1915 by timescale: all-time 0, monthly 2, daily 61.

How Much Records Were Beaten By

58 broken records

Margins by which the 58 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 74.0. Ties are not counted.

Top 20 by Significance

27 May 1915

Top 20 records on 27 May 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1915	Newark Liberty Intl AP, US	daily low min	5.0 C (41.0 F)	2.8 C (5.0 F)	67 years	34 of 100 (Routine)
27 May 1915	Chatham, CA	daily snowfall	7.4 cm (2.9 in)	7.4 cm (2.9 in)	41 years	29 of 100 (Routine)
27 May 1915	Nerchinskij Zavod, RU	monthly rain	34.2 mm (1.3 in)	6.4 mm (0.25 in)	12 years	28 of 100 (Routine)
27 May 1915	Kingston Queens U, CA	daily low min	-1.1 C (30.0 F)	5.0 C (9.0 F)	35 years	27 of 100 (Routine)
27 May 1915	Welland, CA	daily low min	0.0 C (32.0 F)	4.4 C (7.9 F)	40 years	26 of 100 (Routine)
27 May 1915	Anticosti SW Point, CA	daily rain	35.3 mm (1.4 in)	13.5 mm (0.5 in)	8 years	24 of 100 (Routine)
27 May 1915	Bic, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	31 years	22 of 100 (Routine)
27 May 1915	Saint John, CA	daily low min	0.0 C (32.0 F)	2.2 C (4.0 F)	35 years	22 of 100 (Routine)
27 May 1915	Lawrence, US	monthly rain	96.0 mm (3.8 in)	9.4 mm (0.37 in)	5 years	22 of 100 (Routine)
27 May 1915	Portland, US	daily low min	1.7 C (35.1 F)	3.3 C (5.9 F)	25 years	21 of 100 (Routine)
27 May 1915	Olympia Priest Pt Park, US	daily rain	18.8 mm (0.7 in)	6.6 mm (0.26 in)	35 years	20 of 100 (Routine)
27 May 1915	Hamilton, CA	daily low min	1.7 C (35.1 F)	0.5 C (0.9 F)	47 years	20 of 100 (Routine)
27 May 1915	Saint John, CA	daily snowfall	1.5 cm (0.6 in)	1.5 cm (0.6 in)	43 years	20 of 100 (Routine)
27 May 1915	Gorki, BY	daily rain	14.1 mm (0.6 in)	5.4 mm (0.21 in)	20 years	19 of 100 (Routine)
27 May 1915	Beatrice, CA	daily low min	-5.0 C (23.0 F)	3.3 C (5.9 F)	35 years	19 of 100 (Routine)
27 May 1915	Peterborough, CA	daily low min	-1.7 C (28.9 F)	2.3 C (4.1 F)	35 years	19 of 100 (Routine)
27 May 1915	Cap Madeleine, CA	daily rain	22.9 mm (0.9 in)	9.2 mm (0.36 in)	8 years	19 of 100 (Routine)
27 May 1915	Middletown 4 W, US	daily low min	0.6 C (33.1 F)	2.5 C (4.5 F)	35 years	19 of 100 (Routine)
27 May 1915	Blue Hill Coop, US	daily low min	2.2 C (36.0 F)	3.4 C (6.1 F)	23 years	19 of 100 (Routine)
27 May 1915	Ottawa, CA	daily low min	1.1 C (34.0 F)	2.2 C (4.0 F)	35 years	18 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 1915

Records set or tied on this calendar date in each year from 1797 to 1915. 1915 had 63 records.

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

Records on 05-27 in each year
Year	Records
1797	1
1817	1
1818	1
1834	2
1836	4
1839	1
1845	1
1846	1
1847	1
1849	1
1852	1
1858	1
1860	1
1863	1
1864	3
1868	4
1869	1
1874	1
1876	1
1879	3
1880	5
1881	2
1883	1
1884	1
1885	1
1886	1
1888	1
1889	3
1890	5
1891	2
1892	8
1893	5
1894	13
1895	4
1896	3
1897	1
1898	3
1899	2
1900	4
1901	7
1902	12
1903	7
1904	11
1905	7
1906	28
1907	23
1908	16
1909	7
1910	31
1911	53
1912	27
1913	19
1914	92
1915	63
1916	26
1917	23
1918	39
1919	38
1920	40
1921	56
1922	36
1923	86
1924	92
1925	291
1926	107
1927	183
1928	81
1929	195
1930	99
1931	367
1932	265
1933	284
1934	393
1935	128
1936	468
1937	298
1938	492
1939	312
1940	138
1941	436
1942	657
1943	160
1944	479
1945	272
1946	424
1947	485
1948	324
1949	366
1950	697
1951	578
1952	258
1953	603
1954	367
1955	571
1956	491
1957	367
1958	619
1959	449
1960	421
1961	1,504
1962	460
1963	421
1964	317
1965	652
1966	398
1967	492
1968	605
1969	850
1970	326
1971	612
1972	508
1973	943
1974	630
1975	404
1976	589
1977	663
1978	814
1979	899
1980	644
1981	891
1982	838
1983	1,253
1984	834
1985	873
1986	696
1987	1,037
1988	777
1989	904
1990	804
1991	1,429
1992	1,413
1993	835
1994	848
1995	815
1996	1,378
1997	919
1998	1,079
1999	876
2000	1,347
2001	898
2002	511
2003	918
2004	838
2005	1,094
2006	1,171
2007	886
2008	914
2009	858
2010	955
2011	1,055
2012	1,475
2013	607
2014	835
2015	537
2016	622
2017	541
2018	1,355
2019	960
2020	906
2021	414
2022	653
2023	405
2024	904
2025	761
2026	1,185

Download the Data

Data for records on 1915-05-27: 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	54
10 to 20	2
20 to 30	0
30 to 40	0
40 to 50	0
50 to 60	1
60 to 70	0
70 to 80	1