Weather Records on 27 May 1964

317 weather records were set or tied worldwide on 27 May 1964. Highest significance: Sanganer, IN.

Key Facts for 27 May 1964

On 27 May 1964, 317 weather records were set or tied at long-record stations worldwide.
82 were record highs and 52 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 306 daily.
Sanganer set a monthly record daily precipitation of 63.5 mm (2.5 in) on 27 May 1964.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 418 records.

Record Map

317 stations

317 station records on 27 May 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sanganer	India	Record daily precipitation	63.5 mm (2.5 in)	64 of 100 (Major)
Surubim	Brazil	Record daily precipitation	56.5 mm (2.2 in)	54 of 100 (Notable)
Salvisa Lock 6	United States	Record daily precipitation	54.4 mm (2.1 in)	50 of 100 (Notable)
Girona (Antic Institut)	Spain	Record daily precipitation	46.0 mm (1.8 in)	49 of 100 (Notable)
Ulysses 3NE	United States	Record daily precipitation	100.3 mm (3.9 in)	48 of 100 (Notable)
Melle	Germany	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Greensburg	United States	Record daily precipitation	73.4 mm (2.9 in)	44 of 100 (Notable)
Danner	United States	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Indargarh	India	Record daily precipitation	27.2 mm (1.1 in)	42 of 100 (Notable)
Little Hickman Lock 8	United States	Record daily precipitation	61.7 mm (2.4 in)	40 of 100 (Notable)
Fish Creek	Australia	Record daily precipitation	43.2 mm (1.7 in)	39 of 100 (Notable)
Didwana	India	Record daily precipitation	33.5 mm (1.3 in)	39 of 100 (Notable)
Independence	United States	Record daily precipitation	71.9 mm (2.8 in)	38 of 100 (Notable)
Jardim de Angicos	Brazil	Record daily precipitation	49.2 mm (1.9 in)	37 of 100 (Notable)
Atzalan	Mexico	Record daily precipitation	63.0 mm (2.5 in)	37 of 100 (Notable)
Irvington	United States	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)
Marble Bar Comparison	Australia	Record low maximum temperature	16.2 C (61.2 F)	36 of 100 (Notable)
Foster (Post Office)	Australia	Record daily precipitation	33.8 mm (1.3 in)	36 of 100 (Notable)
Pisangan	India	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Fish Creek (Hoddle Range)	Australia	Record daily precipitation	34.8 mm (1.4 in)	33 of 100 (Routine)
Jonacatepec	Mexico	Record daily precipitation	39.4 mm (1.6 in)	33 of 100 (Routine)
Leavenworth Dam 44	United States	Record daily precipitation	51.3 mm (2.0 in)	33 of 100 (Routine)
Cobar Post Office	Australia	Record low minimum temperature	0.0 C (32.0 F)	32 of 100 (Routine)
Catole	Brazil	Record daily precipitation	71.0 mm (2.8 in)	32 of 100 (Routine)
Milha	Brazil	Record daily precipitation	54.1 mm (2.1 in)	32 of 100 (Routine)
Mardie	Australia	Record daily precipitation	41.9 mm (1.6 in)	31 of 100 (Routine)
Sandsprings	Australia	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Coolawanyah	Australia	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	36.9 mm (1.5 in)	30 of 100 (Routine)
Decatur 1 N	United States	Record daily precipitation	68.8 mm (2.7 in)	30 of 100 (Routine)
Hobbs	United States	Record daily precipitation	26.4 mm (1.0 in)	30 of 100 (Routine)
Heathcote Junction	Australia	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Blackwell 1 W	United States	Record daily precipitation	63.5 mm (2.5 in)	29 of 100 (Routine)
Buffalo 2 SSW	United States	Record daily precipitation	51.6 mm (2.0 in)	29 of 100 (Routine)
Narrogin	Australia	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Lingen	Germany	Record daily precipitation	30.4 mm (1.2 in)	27 of 100 (Routine)
Bastrop	United States	Record high maximum temperature	34.4 C (93.9 F)	27 of 100 (Routine)
Supply 1 E	United States	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
Soledad de Doblado	Mexico	Record low minimum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Bowman Dam	United States	Record low maximum temperature	7.2 C (45.0 F)	25 of 100 (Routine)
Farmerville	United States	Record high maximum temperature	34.4 C (93.9 F)	25 of 100 (Routine)
Custodio	Brazil	Record daily precipitation	80.5 mm (3.2 in)	24 of 100 (Routine)
Hammond	United States	Record high maximum temperature	36.1 C (97.0 F)	24 of 100 (Routine)
Weston	United States	Record high minimum temperature	16.1 C (61.0 F)	24 of 100 (Routine)
Nabawa	Australia	Record low minimum temperature	3.1 C (37.6 F)	23 of 100 (Routine)
Bramsche	Germany	Record daily precipitation	28.1 mm (1.1 in)	23 of 100 (Routine)
Iguala (Smn)	Mexico	Record daily precipitation	38.4 mm (1.5 in)	23 of 100 (Routine)
Cumberland	United States	Record high minimum temperature	21.1 C (70.0 F)	23 of 100 (Routine)
Canton 4N	United States	Record high maximum temperature	36.1 C (97.0 F)	23 of 100 (Routine)
Crossroads 2	United States	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Milan Exp STN	United States	Record high minimum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Mendubim	Brazil	Record daily precipitation	45.5 mm (1.8 in)	22 of 100 (Routine)
Bison 3NW	United States	Record daily precipitation	48.3 mm (1.9 in)	22 of 100 (Routine)
High Brg Lock 7	United States	Record daily precipitation	49.8 mm (2.0 in)	22 of 100 (Routine)
Goodland	United States	Record low maximum temperature	11.7 C (53.1 F)	22 of 100 (Routine)
Kellerberrin	Australia	Record low minimum temperature	-0.4 C (31.3 F)	21 of 100 (Routine)
Southern Cross	Australia	Record low minimum temperature	-1.7 C (28.9 F)	21 of 100 (Routine)
Timbauba	Brazil	Record daily precipitation	68.8 mm (2.7 in)	21 of 100 (Routine)
Bull Harbour	Canada	Record low minimum temperature	2.2 C (36.0 F)	21 of 100 (Routine)
San Diego Curupatzeo	Mexico	Record daily precipitation	30.0 mm (1.2 in)	21 of 100 (Routine)

Counts by Type and Timescale

317 records

Records set or tied on 27 May 1964 by type: Highest daily maximum 47, Lowest daily maximum 26, Highest daily minimum 35, Lowest daily minimum 26, Heaviest daily rainfall 182, Heaviest daily snowfall 1.

Records on 27 May 1964 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	26
Highest daily minimum	35
Lowest daily minimum	26
Heaviest daily rainfall	182
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 27 May 1964 by timescale: all-time 1, monthly 10, daily 306.

How Much Records Were Beaten By

251 broken records

Margins by which the 251 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 48.0. Ties are not counted.

Top 20 by Significance

27 May 1964

Top 20 records on 27 May 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1964	Sanganer, IN	monthly rain	63.5 mm (2.5 in)	24.9 mm (1.0 in)	52 years	64 of 100 (Major)
27 May 1964	Surubim, BR	daily rain	56.5 mm (2.2 in)	31.5 mm (1.2 in)	48 years	54 of 100 (Notable)
27 May 1964	Salvisa Lock 6, US	daily rain	54.4 mm (2.1 in)	32.8 mm (1.3 in)	37 years	50 of 100 (Notable)
27 May 1964	Girona (Antic Institut), ES	daily rain	46.0 mm (1.8 in)	28.2 mm (1.1 in)	41 years	49 of 100 (Notable)
27 May 1964	Ulysses 3NE, US	daily rain	100.3 mm (3.9 in)	48.0 mm (1.9 in)	20 years	48 of 100 (Notable)
27 May 1964	Melle, DE	daily rain	46.0 mm (1.8 in)	27.6 mm (1.1 in)	9 years	45 of 100 (Notable)
27 May 1964	Greensburg, US	monthly rain	73.4 mm (2.9 in)	9.9 mm (0.39 in)	65 years	44 of 100 (Notable)
27 May 1964	Danner, US	daily rain	27.9 mm (1.1 in)	22.3 mm (0.9 in)	5 years	44 of 100 (Notable)
27 May 1964	Indargarh, IN	daily rain	27.2 mm (1.1 in)	26.9 mm (1.1 in)	55 years	42 of 100 (Notable)
27 May 1964	Little Hickman Lock 8, US	daily rain	61.7 mm (2.4 in)	37.6 mm (1.5 in)	4 years	40 of 100 (Notable)
27 May 1964	Fish Creek, AU	daily rain	43.2 mm (1.7 in)	21.6 mm (0.9 in)	14 years	39 of 100 (Notable)
27 May 1964	Didwana, IN	daily rain	33.5 mm (1.3 in)	17.5 mm (0.7 in)	44 years	39 of 100 (Notable)
27 May 1964	Independence, US	daily rain	71.9 mm (2.8 in)	24.9 mm (1.0 in)	49 years	38 of 100 (Notable)
27 May 1964	Jardim de Angicos, BR	daily rain	49.2 mm (1.9 in)	27.2 mm (1.1 in)	26 years	37 of 100 (Notable)
27 May 1964	Atzalan, MX	daily rain	63.0 mm (2.5 in)	46.2 mm (1.8 in)	20 years	37 of 100 (Notable)
27 May 1964	Irvington, US	daily rain	48.3 mm (1.9 in)	22.9 mm (0.9 in)	40 years	37 of 100 (Notable)
27 May 1964	Marble Bar Comparison, AU	daily low max	16.2 C (61.2 F)	4.9 C (8.8 F)	59 years	36 of 100 (Notable)
27 May 1964	Foster (Post Office), AU	daily rain	33.8 mm (1.3 in)	7.1 mm (0.28 in)	66 years	36 of 100 (Notable)
27 May 1964	Pisangan, IN	daily rain	25.4 mm (1.0 in)	16.5 mm (0.6 in)	40 years	36 of 100 (Notable)
27 May 1964	Fish Creek (Hoddle Range), AU	daily rain	34.8 mm (1.4 in)	10.7 mm (0.4 in)	54 years	33 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 1964

Records set or tied on this calendar date in each year from 1797 to 1964. 1964 had 317 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 1964-05-27: 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).

Histogram of margins by which records were beaten on 27 May 1964
Margin	Records
0 to 10	193
10 to 20	30
20 to 30	20
30 to 40	6
40 to 50	2