Weather Records on 27 May 1997

919 weather records were set or tied worldwide on 27 May 1997. Highest significance: Beerlaagte, ZA.

Key Facts for 27 May 1997

On 27 May 1997, 919 weather records were set or tied at long-record stations worldwide.
307 were record highs and 377 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 33 monthly and 884 daily.
Beerlaagte set a daily record precipitation of 57.0 mm (2.2 in) on 27 May 1997.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 414 records.

Record Map

919 stations

919 station records on 27 May 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beerlaagte	South Africa	Record daily precipitation	57.0 mm (2.2 in)	76 of 100 (Major)
Santa Barbara	United States	Record high minimum temperature	21.7 C (71.1 F)	61 of 100 (Major)
Union City	United States	Record daily precipitation	90.2 mm (3.6 in)	59 of 100 (Notable)
Lockhart	United States	Record daily precipitation	80.0 mm (3.1 in)	55 of 100 (Notable)
Shadrinsk	Russia	Record daily precipitation	64.2 mm (2.5 in)	54 of 100 (Notable)
Zitlaltepec	Mexico	Record daily precipitation	106.9 mm (4.2 in)	53 of 100 (Notable)
Kaspiyskiy	Russia	Record daily precipitation	34.0 mm (1.3 in)	51 of 100 (Notable)
Rustplaats	South Africa	Record daily precipitation	30.0 mm (1.2 in)	51 of 100 (Notable)
Winnsboro	United States	Record daily precipitation	68.6 mm (2.7 in)	49 of 100 (Notable)
San Jose	United States	Record high minimum temperature	17.8 C (64.0 F)	47 of 100 (Notable)
Black Rock	United States	Record daily precipitation	80.3 mm (3.2 in)	46 of 100 (Notable)
San Juan del Rio	Mexico	Record low minimum temperature	3.9 C (39.0 F)	45 of 100 (Notable)
Putla de Guerrero (Cfe)	Mexico	Record daily precipitation	107.7 mm (4.2 in)	45 of 100 (Notable)
Sterling	United States	Record daily precipitation	43.4 mm (1.7 in)	44 of 100 (Notable)
Mtn City 2	United States	Record daily precipitation	83.8 mm (3.3 in)	44 of 100 (Notable)
Okeechobee	United States	Record daily precipitation	119.4 mm (4.7 in)	43 of 100 (Notable)
Grundy Ctr	United States	Record low maximum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Mitchell 2 N	United States	Record daily precipitation	40.1 mm (1.6 in)	43 of 100 (Notable)
Naalehu 14	United States	Record high maximum temperature	33.9 C (93.0 F)	43 of 100 (Notable)
Napa State Hospital	United States	Record high minimum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Columbus 3 NE	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Bedford	United States	Record low maximum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Grant City	United States	Record low maximum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Wakefield 3NW	United States	Record low maximum temperature	8.9 C (48.0 F)	41 of 100 (Notable)
Forest Grove	United States	Record high minimum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Brady	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Cooper Lake Project	United States	Record low minimum temperature	-5.6 C (21.9 F)	41 of 100 (Notable)
Seward AP	United States	Record high minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Achinsk	Russia	Record high minimum temperature	15.8 C (60.4 F)	40 of 100 (Notable)
Weeping Water	United States	Record low maximum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Waverly	United States	Record low minimum temperature	2.2 C (36.0 F)	40 of 100 (Notable)
Catarina	United States	Record daily precipitation	86.4 mm (3.4 in)	40 of 100 (Notable)
Las Mesas (Cfe)	Mexico	Record daily precipitation	61.2 mm (2.4 in)	39 of 100 (Notable)
Ciudad Santos	Mexico	Record low minimum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Greenfield	United States	Record low maximum temperature	10.0 C (50.0 F)	39 of 100 (Notable)
Boerne	United States	Record high minimum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Gorlitz	Germany	Record daily precipitation	36.7 mm (1.4 in)	38 of 100 (Notable)
Tomsk	Russia	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Verhnij_Baskuncak	Russia	Record daily precipitation	44.3 mm (1.7 in)	38 of 100 (Notable)
Lamoni	United States	Record low maximum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Neosho	United States	Record daily precipitation	58.9 mm (2.3 in)	38 of 100 (Notable)
Genoa 2 W	United States	Record low maximum temperature	8.9 C (48.0 F)	38 of 100 (Notable)
Newport	United States	Record high minimum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
Santa Maria Zacatepec (Cfe)	Mexico	Record daily precipitation	104.6 mm (4.1 in)	37 of 100 (Notable)
Live Oak	United States	Record high minimum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
Walnut	United States	Record low maximum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Grinnell 3 SW	United States	Record low maximum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Ida Grove 5NW	United States	Record low maximum temperature	9.4 C (48.9 F)	37 of 100 (Notable)
Sedalia Wtp	United States	Record daily precipitation	63.2 mm (2.5 in)	37 of 100 (Notable)
Albion	United States	Record low maximum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Crete 4ESE	United States	Record low maximum temperature	12.2 C (54.0 F)	37 of 100 (Notable)
N Loup	United States	Record low maximum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Tyndall	United States	Record low maximum temperature	9.4 C (48.9 F)	37 of 100 (Notable)
Salem AP (McNary Field)	United States	Record high minimum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Coyotepec	Mexico	Record daily precipitation	52.8 mm (2.1 in)	36 of 100 (Notable)
Minatitlan	Mexico	Record daily precipitation	84.3 mm (3.3 in)	36 of 100 (Notable)
Sigourney	United States	Record low maximum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Baldwyn	United States	Record daily precipitation	81.5 mm (3.2 in)	36 of 100 (Notable)
Oregon	United States	Record low maximum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Bordeaux-Merignac	France	Record high maximum temperature	30.9 C (87.6 F)	35 of 100 (Notable)

Counts by Type and Timescale

919 records

Records set or tied on 27 May 1997 by type: Highest daily maximum 131, Lowest daily maximum 234, Highest daily minimum 176, Lowest daily minimum 143, Heaviest daily rainfall 217, Deepest snow cover 18.

Records on 27 May 1997 by type
Record type	Records
Highest daily maximum	131
Lowest daily maximum	234
Highest daily minimum	176
Lowest daily minimum	143
Heaviest daily rainfall	217
Heaviest daily snowfall	0
Deepest snow cover	18

Records on 27 May 1997 by timescale: all-time 2, monthly 33, daily 884.

How Much Records Were Beaten By

667 broken records

Margins by which the 667 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 550.0. Ties are not counted.

Top 20 by Significance

27 May 1997

Top 20 records on 27 May 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1997	Beerlaagte, ZA	daily rain	57.0 mm (2.2 in)	57.0 mm (2.2 in)	92 years	76 of 100 (Major)
27 May 1997	Santa Barbara, US	monthly high min	21.7 C (71.1 F)	2.8 C (5.0 F)	100 years	61 of 100 (Major)
27 May 1997	Union City, US	daily rain	90.2 mm (3.6 in)	54.4 mm (2.1 in)	42 years	59 of 100 (Notable)
27 May 1997	Lockhart, US	daily rain	80.0 mm (3.1 in)	63.5 mm (2.5 in)	28 years	55 of 100 (Notable)
27 May 1997	Shadrinsk, RU	all-time rain	64.2 mm (2.5 in)	8.6 mm (0.34 in)	42 years	54 of 100 (Notable)
27 May 1997	Zitlaltepec, MX	monthly rain	106.9 mm (4.2 in)	59.9 mm (2.4 in)	0 years	53 of 100 (Notable)
27 May 1997	Kaspiyskiy, RU	daily rain	34.0 mm (1.3 in)	32.0 mm (1.3 in)	28 years	51 of 100 (Notable)
27 May 1997	Rustplaats, ZA	daily rain	30.0 mm (1.2 in)	23.5 mm (0.9 in)	8 years	51 of 100 (Notable)
27 May 1997	Winnsboro, US	daily rain	68.6 mm (2.7 in)	45.5 mm (1.8 in)	20 years	49 of 100 (Notable)
27 May 1997	San Jose, US	daily high min	17.8 C (64.0 F)	2.2 C (4.0 F)	100 years	47 of 100 (Notable)
27 May 1997	Black Rock, US	daily rain	80.3 mm (3.2 in)	38.4 mm (1.5 in)	42 years	46 of 100 (Notable)
27 May 1997	San Juan del Rio, MX	daily low min	3.9 C (39.0 F)	7.2 C (13.0 F)	35 years	45 of 100 (Notable)
27 May 1997	Putla de Guerrero (Cfe), MX	daily rain	107.7 mm (4.2 in)	81.3 mm (3.2 in)	8 years	45 of 100 (Notable)
27 May 1997	Sterling, US	daily rain	43.4 mm (1.7 in)	10.1 mm (0.4 in)	82 years	44 of 100 (Notable)
27 May 1997	Mtn City 2, US	daily rain	83.8 mm (3.3 in)	43.9 mm (1.7 in)	3 years	44 of 100 (Notable)
27 May 1997	Okeechobee, US	monthly rain	119.4 mm (4.7 in)	24.4 mm (1.0 in)	40 years	43 of 100 (Notable)
27 May 1997	Grundy Ctr, US	daily low max	8.3 C (46.9 F)	3.9 C (7.0 F)	91 years	43 of 100 (Notable)
27 May 1997	Mitchell 2 N, US	daily rain	40.1 mm (1.6 in)	13.4 mm (0.5 in)	71 years	43 of 100 (Notable)
27 May 1997	Naalehu 14, US	monthly high max	33.9 C (93.0 F)	0.6 C (1.1 F)	74 years	43 of 100 (Notable)
27 May 1997	Napa State Hospital, US	daily high min	15.0 C (59.0 F)	0.6 C (1.1 F)	100 years	42 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 1997

Records set or tied on this calendar date in each year from 1797 to 1997. 1997 had 919 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 1997-05-27: 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 100	655
100 to 200	7
200 to 300	1
300 to 400	0
400 to 500	2
500 to 600	2