Weather Records on 27 May 1945

272 weather records were set or tied worldwide on 27 May 1945. Highest significance: Manati 2 E, PR.

Key Facts for 27 May 1945

On 27 May 1945, 272 weather records were set or tied at long-record stations worldwide.
84 were record highs and 59 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 16 monthly and 255 daily.
Manati 2 E set a daily record precipitation of 102.9 mm (4.1 in) on 27 May 1945.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 418 records.

Record Map

272 stations

272 station records on 27 May 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Manati 2 E	Puerto Rico [United States]	Record daily precipitation	102.9 mm (4.1 in)	53 of 100 (Notable)
Griffin	United States	Record daily precipitation	68.6 mm (2.7 in)	51 of 100 (Notable)
Alur	India	Record daily precipitation	62.2 mm (2.4 in)	48 of 100 (Notable)
Rocky Mt	United States	Record daily precipitation	60.5 mm (2.4 in)	47 of 100 (Notable)
Enfield	United States	Record daily precipitation	66.0 mm (2.6 in)	45 of 100 (Notable)
Euclides da Cunha (Cumbe)	Brazil	Record daily precipitation	40.0 mm (1.6 in)	44 of 100 (Notable)
Porto da Folha	Brazil	Record daily precipitation	47.2 mm (1.9 in)	43 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record daily precipitation	91.9 mm (3.6 in)	43 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	85.1 mm (3.4 in)	41 of 100 (Notable)
Bonfim	Brazil	Record daily precipitation	56.6 mm (2.2 in)	40 of 100 (Notable)
Serampore	India	Record daily precipitation	95.3 mm (3.8 in)	40 of 100 (Notable)
Fond du Lac Wwtp	United States	Record daily precipitation	38.6 mm (1.5 in)	37 of 100 (Notable)
Chappells 2 NNW	United States	Record daily precipitation	89.2 mm (3.5 in)	36 of 100 (Notable)
Karlstad	Sweden	Record snow depth	14.0 cm (5.5 in)	35 of 100 (Notable)
Experiment	United States	Record daily precipitation	52.6 mm (2.1 in)	31 of 100 (Routine)
Redwood Falls Muni AP	United States	Record daily precipitation	38.4 mm (1.5 in)	31 of 100 (Routine)
Minsk	Belarus	Record low minimum temperature	0.9 C (33.6 F)	30 of 100 (Routine)
Kerkeriya	India	Record daily precipitation	178.3 mm (7.0 in)	30 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record low maximum temperature	27.8 C (82.0 F)	30 of 100 (Routine)
Rougemont	United States	Record daily precipitation	50.0 mm (2.0 in)	30 of 100 (Routine)
Cloud Chief 2 SE	United States	Record high minimum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Low Head (Comparison)	Australia	Record low minimum temperature	0.2 C (32.4 F)	29 of 100 (Routine)
Broken Bow 2 W	United States	Record daily precipitation	109.2 mm (4.3 in)	29 of 100 (Routine)
Weatherford	United States	Record high minimum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Pine River 3 NE	United States	Record daily precipitation	38.6 mm (1.5 in)	29 of 100 (Routine)
Bathurst Gaol	Australia	Record low minimum temperature	-5.0 C (23.0 F)	28 of 100 (Routine)
Uaua	Brazil	Record daily precipitation	28.3 mm (1.1 in)	28 of 100 (Routine)
Mocambo	Brazil	Record daily precipitation	48.5 mm (1.9 in)	28 of 100 (Routine)
Atlin	Canada	Record high maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Ai-Petri	Ukraine	Record high maximum temperature	25.2 C (77.4 F)	28 of 100 (Routine)
Blue Rapids	United States	Record daily precipitation	73.2 mm (2.9 in)	28 of 100 (Routine)
Atalaia	Brazil	Record daily precipitation	68.5 mm (2.7 in)	27 of 100 (Routine)
Babuskin	Russia	Record high minimum temperature	9.7 C (49.5 F)	27 of 100 (Routine)
Arcadia	United States	Record daily precipitation	32.3 mm (1.3 in)	27 of 100 (Routine)
Louisburg	United States	Record daily precipitation	52.8 mm (2.1 in)	27 of 100 (Routine)
Simferopol	Ukraine	Record high maximum temperature	32.7 C (90.9 F)	26 of 100 (Routine)
Zigzag Rs	United States	Record daily precipitation	43.2 mm (1.7 in)	26 of 100 (Routine)
Mt Wx	United States	Record daily precipitation	52.1 mm (2.1 in)	26 of 100 (Routine)
Stewart	Canada	Record high maximum temperature	27.8 C (82.0 F)	25 of 100 (Routine)
Cidra 1 E	Puerto Rico [United States]	Record daily precipitation	73.2 mm (2.9 in)	25 of 100 (Routine)
Weldon	United States	Record daily precipitation	50.0 mm (2.0 in)	25 of 100 (Routine)
Burnett 3 S	United States	Record daily precipitation	34.3 mm (1.4 in)	25 of 100 (Routine)
Robe Comparison	Australia	Record low minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Masset Airport	Canada	Record high maximum temperature	21.7 C (71.1 F)	24 of 100 (Routine)
Russell	Canada	Record low minimum temperature	-4.4 C (24.1 F)	24 of 100 (Routine)
Titusville	United States	Record low minimum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Smithfield	United States	Record daily precipitation	35.3 mm (1.4 in)	24 of 100 (Routine)
Tarboro 1 S	United States	Record daily precipitation	39.4 mm (1.6 in)	24 of 100 (Routine)
Headworks Portland Wtr B	United States	Record daily precipitation	36.6 mm (1.4 in)	24 of 100 (Routine)
Guntur	India	Record daily precipitation	44.5 mm (1.8 in)	23 of 100 (Routine)
Evelyn Sharp Fld	United States	Record daily precipitation	45.7 mm (1.8 in)	23 of 100 (Routine)
Esplanada	Brazil	Record daily precipitation	48.2 mm (1.9 in)	22 of 100 (Routine)
Dover	United States	Record low maximum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Moran	United States	Record daily precipitation	43.9 mm (1.7 in)	22 of 100 (Routine)
Elgin	United States	Record daily precipitation	48.3 mm (1.9 in)	22 of 100 (Routine)
Madison Wb City	United States	Record daily precipitation	32.3 mm (1.3 in)	22 of 100 (Routine)
Carnarvon Post Office	Australia	Record high maximum temperature	31.1 C (88.0 F)	21 of 100 (Routine)
Jalugudi	India	Record daily precipitation	73.7 mm (2.9 in)	21 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low minimum temperature	1.2 C (34.2 F)	21 of 100 (Routine)
Woodward	United States	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)

Counts by Type and Timescale

272 records

Records set or tied on 27 May 1945 by type: Highest daily maximum 59, Lowest daily maximum 27, Highest daily minimum 25, Lowest daily minimum 32, Heaviest daily rainfall 128, Deepest snow cover 1.

Records on 27 May 1945 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	27
Highest daily minimum	25
Lowest daily minimum	32
Heaviest daily rainfall	128
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 27 May 1945 by timescale: all-time 1, monthly 16, daily 255.

How Much Records Were Beaten By

221 broken records

Margins by which the 221 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.0. Ties are not counted.

Top 20 by Significance

27 May 1945

Top 20 records on 27 May 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1945	Manati 2 E, PR	daily rain	102.9 mm (4.1 in)	80.8 mm (3.2 in)	32 years	53 of 100 (Notable)
27 May 1945	Griffin, US	daily rain	68.6 mm (2.7 in)	54.4 mm (2.1 in)	22 years	51 of 100 (Notable)
27 May 1945	Alur, IN	daily rain	62.2 mm (2.4 in)	50.0 mm (2.0 in)	14 years	48 of 100 (Notable)
27 May 1945	Rocky Mt, US	daily rain	60.5 mm (2.4 in)	39.9 mm (1.6 in)	30 years	47 of 100 (Notable)
27 May 1945	Enfield, US	daily rain	66.0 mm (2.6 in)	54.1 mm (2.1 in)	7 years	45 of 100 (Notable)
27 May 1945	Euclides da Cunha (Cumbe), BR	daily rain	40.0 mm (1.6 in)	24.5 mm (1.0 in)	28 years	44 of 100 (Notable)
27 May 1945	Porto da Folha, BR	daily rain	47.2 mm (1.9 in)	32.8 mm (1.3 in)	4 years	43 of 100 (Notable)
27 May 1945	Coloso, PR	daily rain	91.9 mm (3.6 in)	66.5 mm (2.6 in)	14 years	43 of 100 (Notable)
27 May 1945	Ponce 4 E, PR	daily rain	85.1 mm (3.4 in)	49.5 mm (1.9 in)	14 years	41 of 100 (Notable)
27 May 1945	Bonfim, BR	daily rain	56.6 mm (2.2 in)	36.4 mm (1.4 in)	19 years	40 of 100 (Notable)
27 May 1945	Serampore, IN	daily rain	95.3 mm (3.8 in)	60.2 mm (2.4 in)	8 years	40 of 100 (Notable)
27 May 1945	Fond du Lac Wwtp, US	daily rain	38.6 mm (1.5 in)	15.5 mm (0.6 in)	48 years	37 of 100 (Notable)
27 May 1945	Chappells 2 NNW, US	monthly rain	89.2 mm (3.5 in)	21.1 mm (0.8 in)	23 years	36 of 100 (Notable)
27 May 1945	Karlstad, SE	daily snow depth	14.0 cm (5.5 in)	14.0 cm (5.5 in)	52 years	35 of 100 (Notable)
27 May 1945	Experiment, US	daily rain	52.6 mm (2.1 in)	28.7 mm (1.1 in)	12 years	31 of 100 (Routine)
27 May 1945	Redwood Falls Muni AP, US	daily rain	38.4 mm (1.5 in)	15.5 mm (0.6 in)	36 years	31 of 100 (Routine)
27 May 1945	Minsk, BY	daily low min	0.9 C (33.6 F)	4.4 C (7.9 F)	50 years	30 of 100 (Routine)
27 May 1945	Kerkeriya, IN	monthly rain	178.3 mm (7.0 in)	18.3 mm (0.7 in)	26 years	30 of 100 (Routine)
27 May 1945	Coloso, PR	daily low max	27.8 C (82.0 F)	2.2 C (4.0 F)	32 years	30 of 100 (Routine)
27 May 1945	Rougemont, US	daily rain	50.0 mm (2.0 in)	28.4 mm (1.1 in)	24 years	30 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 1945

Records set or tied on this calendar date in each year from 1797 to 1945. 1945 had 272 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 1945-05-27: 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 20	198
20 to 40	15
40 to 60	4
60 to 80	2
80 to 100	1
100 to 120	0
120 to 140	1