Weather Records on 27 May 2017

541 weather records were set or tied worldwide on 27 May 2017. Highest significance: Den Helder-1, NL.

Key Facts for 27 May 2017

On 27 May 2017, 541 weather records were set or tied at long-record stations worldwide.
396 were record highs and 84 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 69 monthly and 472 daily.
Den Helder-1 set a monthly record high maximum temperature of 31.0 C (87.8 F) on 27 May 2017.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 417 records.

Record Map

541 stations

541 station records on 27 May 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Den Helder-1	Netherlands	Record high maximum temperature	31.0 C (87.8 F)	54 of 100 (Notable)
Sonora	United States	Record high minimum temperature	29.4 C (84.9 F)	52 of 100 (Notable)
Bangalore	India	Record daily precipitation	83.3 mm (3.3 in)	48 of 100 (Notable)
Jharsuguda	India	Record daily precipitation	53.1 mm (2.1 in)	48 of 100 (Notable)
Raoul Isl/Kermadec	New Zealand	Record daily precipitation	86.4 mm (3.4 in)	44 of 100 (Notable)
Landsort	Sweden	Record high maximum temperature	22.6 C (72.7 F)	44 of 100 (Notable)
Gravette	United States	Record high minimum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Malin Head	Ireland	Record high minimum temperature	14.0 C (57.2 F)	41 of 100 (Notable)
Rison	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Bonham 3NNE	United States	Record high minimum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Hallettsville 2 N	United States	Record high minimum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Brownsville	United States	Record high minimum temperature	27.2 C (81.0 F)	41 of 100 (Notable)
Texarkana Webb Fld	United States	Record high minimum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Seward AP	United States	Record low maximum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Den Helder-1	Netherlands	Record high minimum temperature	15.7 C (60.3 F)	40 of 100 (Notable)
Stockholm	Sweden	Record high maximum temperature	25.9 C (78.6 F)	40 of 100 (Notable)
Cet Central England	United Kingdom	Record high minimum temperature	13.6 C (56.5 F)	40 of 100 (Notable)
Encinal	United States	Record high minimum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Trier-Zewen	Germany	Record high maximum temperature	32.0 C (89.6 F)	39 of 100 (Notable)
Olands Norra Udde	Sweden	Record high maximum temperature	26.5 C (79.7 F)	39 of 100 (Notable)
Brindisi	Italy	Record low minimum temperature	4.0 C (39.2 F)	38 of 100 (Notable)
Sodankyla AWS	Finland	Record low minimum temperature	-4.8 C (23.4 F)	37 of 100 (Notable)
Abbeville	France	Record high minimum temperature	16.3 C (61.3 F)	37 of 100 (Notable)
Caen-Carpiquet	France	Record high minimum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Mangut	Russia	Record high minimum temperature	15.3 C (59.5 F)	37 of 100 (Notable)
Kalmar_Flygplats	Sweden	Record high maximum temperature	28.9 C (84.0 F)	37 of 100 (Notable)
Carlsbad	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Kleve	Germany	Record high minimum temperature	15.9 C (60.6 F)	36 of 100 (Notable)
Nogliki	Russia	Record high minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Dushanbe	Tajikistan	Record high maximum temperature	37.1 C (98.8 F)	34 of 100 (Routine)
Lerwick	United Kingdom	Record high minimum temperature	10.1 C (50.2 F)	34 of 100 (Routine)
Clermont-Ferrand	France	Record high minimum temperature	16.9 C (62.4 F)	33 of 100 (Routine)
Tillabery	Niger	Record low minimum temperature	19.0 C (66.2 F)	33 of 100 (Routine)
Kwajalein	Marshall Islands	Record daily precipitation	60.7 mm (2.4 in)	33 of 100 (Routine)
Barcelona/Aeropuerto	Spain	Record high minimum temperature	19.3 C (66.7 F)	33 of 100 (Routine)
Valley	United Kingdom	Record high minimum temperature	16.3 C (61.3 F)	33 of 100 (Routine)
Chita	Russia	Record high minimum temperature	13.9 C (57.0 F)	32 of 100 (Routine)
Prastkulla	Sweden	Record high maximum temperature	27.1 C (80.8 F)	32 of 100 (Routine)
Madill	United States	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Van Horn	United States	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Rheinstetten	Germany	Record high maximum temperature	31.3 C (88.3 F)	31 of 100 (Routine)
Springfield	United States	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)
Bourges	France	Record high minimum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
West Souburg	Netherlands	Record high maximum temperature	28.5 C (83.3 F)	30 of 100 (Routine)
Skovorodino	Russia	Record high minimum temperature	12.1 C (53.8 F)	30 of 100 (Routine)
Karlsborg_Mo	Sweden	Record high maximum temperature	26.9 C (80.4 F)	30 of 100 (Routine)
Clinton 5 SE	United States	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
La Quiaca Observato	Argentina	Record high minimum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Pte de la Hague	France	Record high minimum temperature	13.8 C (56.8 F)	29 of 100 (Routine)
Ploumanac'h	France	Record high minimum temperature	14.6 C (58.3 F)	29 of 100 (Routine)
Sosnovo-Ozerskoe	Russia	Record high minimum temperature	8.9 C (48.0 F)	29 of 100 (Routine)
Kyra	Russia	Record high minimum temperature	15.4 C (59.7 F)	29 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	12.6 C (54.7 F)	29 of 100 (Routine)
Mayo	United States	Record low maximum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Pohnpei WSO	Federated States of Micronesia	Record high minimum temperature	27.2 C (81.0 F)	28 of 100 (Routine)
Lille-Lesquin	France	Record high minimum temperature	15.1 C (59.2 F)	28 of 100 (Routine)
Zamyn-Uud	Mongolia	Record high maximum temperature	37.6 C (99.7 F)	28 of 100 (Routine)
Madrid - Retiro	Spain	Record high maximum temperature	33.0 C (91.4 F)	28 of 100 (Routine)
Kinloss	United Kingdom	Record high minimum temperature	14.1 C (57.4 F)	28 of 100 (Routine)
Arkadelphia 2 N	United States	Record daily precipitation	54.6 mm (2.1 in)	28 of 100 (Routine)

Counts by Type and Timescale

541 records

Records set or tied on 27 May 2017 by type: Highest daily maximum 149, Lowest daily maximum 23, Highest daily minimum 247, Lowest daily minimum 61, Heaviest daily rainfall 59, Heaviest daily snowfall 2.

Records on 27 May 2017 by type
Record type	Records
Highest daily maximum	149
Lowest daily maximum	23
Highest daily minimum	247
Lowest daily minimum	61
Heaviest daily rainfall	59
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 27 May 2017 by timescale: all-time 0, monthly 69, daily 472.

How Much Records Were Beaten By

428 broken records

Margins by which the 428 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 52.9. Ties are not counted.

Top 20 by Significance

27 May 2017

Top 20 records on 27 May 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 2017	Den Helder-1, NL	monthly high max	31.0 C (87.8 F)	1.8 C (3.2 F)	110 years	54 of 100 (Notable)
27 May 2017	Sonora, US	monthly high min	29.4 C (84.9 F)	1.1 C (2.0 F)	110 years	52 of 100 (Notable)
27 May 2017	Bangalore, IN	daily rain	83.3 mm (3.3 in)	47.5 mm (1.9 in)	24 years	48 of 100 (Notable)
27 May 2017	Jharsuguda, IN	monthly rain	53.1 mm (2.1 in)	15.6 mm (0.6 in)	48 years	48 of 100 (Notable)
27 May 2017	Raoul Isl/Kermadec, NZ	daily rain	86.4 mm (3.4 in)	52.9 mm (2.1 in)	3 years	44 of 100 (Notable)
27 May 2017	Landsort, SE	monthly high max	22.6 C (72.7 F)	1.1 C (2.0 F)	75 years	44 of 100 (Notable)
27 May 2017	Gravette, US	daily high min	23.3 C (73.9 F)	1.1 C (2.0 F)	104 years	42 of 100 (Notable)
27 May 2017	Malin Head, IE	monthly high min	14.0 C (57.2 F)	0.1 C (0.2 F)	79 years	41 of 100 (Notable)
27 May 2017	Rison, US	daily high min	22.8 C (73.0 F)	1.7 C (3.1 F)	90 years	41 of 100 (Notable)
27 May 2017	Bonham 3NNE, US	daily high min	23.9 C (75.0 F)	0.6 C (1.1 F)	100 years	41 of 100 (Notable)
27 May 2017	Hallettsville 2 N, US	daily high min	26.1 C (79.0 F)	0.5 C (0.9 F)	102 years	41 of 100 (Notable)
27 May 2017	Brownsville, US	daily high min	27.2 C (81.0 F)	0.5 C (0.9 F)	112 years	41 of 100 (Notable)
27 May 2017	Texarkana Webb Fld, US	daily high min	23.9 C (75.0 F)	0.6 C (1.1 F)	123 years	41 of 100 (Notable)
27 May 2017	Seward AP, US	daily low max	6.1 C (43.0 F)	0.6 C (1.1 F)	106 years	41 of 100 (Notable)
27 May 2017	Den Helder-1, NL	daily high min	15.7 C (60.3 F)	0.2 C (0.4 F)	100 years	40 of 100 (Notable)
27 May 2017	Stockholm, SE	daily high max	25.9 C (78.6 F)	0.4 C (0.7 F)	124 years	40 of 100 (Notable)
27 May 2017	Cet Central England, GB	daily high min	13.6 C (56.5 F)	0.2 C (0.4 F)	124 years	40 of 100 (Notable)
27 May 2017	Encinal, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	90 years	40 of 100 (Notable)
27 May 2017	Trier-Zewen, DE	daily high max	32.0 C (89.6 F)	1.9 C (3.4 F)	88 years	39 of 100 (Notable)
27 May 2017	Olands Norra Udde, SE	monthly high max	26.5 C (79.7 F)	0.1 C (0.2 F)	69 years	39 of 100 (Notable)

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 2017

Records set or tied on this calendar date in each year from 1797 to 2017. 2017 had 541 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 2017-05-27: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	416
10 to 20	6
20 to 30	3
30 to 40	1
40 to 50	1
50 to 60	1