Weather Records on 27 May 1930

99 weather records were set or tied worldwide on 27 May 1930. Highest significance: Tallinn, EE.

Key Facts for 27 May 1930

On 27 May 1930, 99 weather records were set or tied at long-record stations worldwide.
32 were record highs and 55 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 2 monthly and 96 daily.
Tallinn set a daily record precipitation of 33.3 mm (1.3 in) on 27 May 1930.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 419 records.

Record Map

99 stations

99 station records on 27 May 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tallinn	Estonia	Record daily precipitation	33.3 mm (1.3 in)	58 of 100 (Notable)
Pakri	Estonia	Record daily precipitation	52.6 mm (2.1 in)	54 of 100 (Notable)
Sorve	Estonia	Record daily precipitation	26.3 mm (1.0 in)	40 of 100 (Notable)
Liepaja	Latvia	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record high minimum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Melbourne Regional Office	Australia	Record high maximum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Las Vegas 2 NW	United States	Record daily precipitation	25.9 mm (1.0 in)	23 of 100 (Routine)
Kissimmee	United States	Record low maximum temperature	21.7 C (71.1 F)	21 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	12.1 C (53.8 F)	19 of 100 (Routine)
Port Arthur	Canada	Record low maximum temperature	9.4 C (48.9 F)	18 of 100 (Routine)
Waycross 4 NE	United States	Record low minimum temperature	10.6 C (51.1 F)	18 of 100 (Routine)
Newton	United States	Record low minimum temperature	3.3 C (37.9 F)	18 of 100 (Routine)
Ft Mc Intosh	United States	Record low maximum temperature	26.7 C (80.1 F)	18 of 100 (Routine)
Cairns Post Office	Australia	Record high maximum temperature	31.7 C (89.1 F)	17 of 100 (Routine)
Guelph Oac	Canada	Record low minimum temperature	-1.1 C (30.0 F)	17 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	12.8 mm (0.5 in)	17 of 100 (Routine)
Buffalo	United States	Record low minimum temperature	2.2 C (36.0 F)	17 of 100 (Routine)
Kirov	Russia	Record daily precipitation	12.6 mm (0.5 in)	16 of 100 (Routine)
Bancroft	Canada	Record low maximum temperature	5.6 C (42.1 F)	15 of 100 (Routine)
Lakefield	Canada	Record low maximum temperature	10.0 C (50.0 F)	15 of 100 (Routine)
Bajramaly	Turkmenistan	Record daily precipitation	0.3 mm (0.01 in)	15 of 100 (Routine)
Harrisville	United States	Record low maximum temperature	8.9 C (48.0 F)	15 of 100 (Routine)
Cornwall	United States	Record low maximum temperature	7.8 C (46.0 F)	15 of 100 (Routine)
Rosalia	United States	Record high maximum temperature	30.6 C (87.1 F)	15 of 100 (Routine)
Roswell Muni AP	United States	Record daily precipitation	8.4 mm (0.33 in)	15 of 100 (Routine)
Glens Falls Fire STN	United States	Record low maximum temperature	13.3 C (55.9 F)	14 of 100 (Routine)
Indian Lake 2SW	United States	Record low maximum temperature	7.8 C (46.0 F)	14 of 100 (Routine)
Little Falls City Rsch	United States	Record low maximum temperature	7.8 C (46.0 F)	14 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	10.5 C (50.9 F)	13 of 100 (Routine)
Berkeley	United States	Record low maximum temperature	13.3 C (55.9 F)	13 of 100 (Routine)
St Augustine	United States	Record low minimum temperature	15.0 C (59.0 F)	13 of 100 (Routine)
Beaufort Wwtp	United States	Record low minimum temperature	13.3 C (55.9 F)	13 of 100 (Routine)
Lankaran	Azerbaijan	Record daily precipitation	3.8 mm (0.15 in)	12 of 100 (Routine)
Yarmouth	Canada	Record low maximum temperature	8.3 C (46.9 F)	12 of 100 (Routine)
Mont-Aigoual	France	Record daily precipitation	44.0 mm (1.7 in)	12 of 100 (Routine)
Moscow U of I	United States	Record high maximum temperature	30.6 C (87.1 F)	12 of 100 (Routine)
Denison	United States	Record high maximum temperature	32.8 C (91.0 F)	12 of 100 (Routine)
Gloversville	United States	Record low maximum temperature	11.1 C (52.0 F)	12 of 100 (Routine)
Callaville	United States	Record low maximum temperature	18.3 C (64.9 F)	12 of 100 (Routine)
Blakely	United States	Record low minimum temperature	12.8 C (55.0 F)	11 of 100 (Routine)
Williamstown	United States	Record low maximum temperature	10.6 C (51.1 F)	11 of 100 (Routine)
Petoskey	United States	Record low minimum temperature	-1.1 C (30.0 F)	11 of 100 (Routine)
Franklin	United States	Record low maximum temperature	13.9 C (57.0 F)	11 of 100 (Routine)
Meadow Valley Rs	United States	Record low maximum temperature	12.2 C (54.0 F)	11 of 100 (Routine)
Launceston (Pumping Station)	Australia	Record high maximum temperature	18.3 C (64.9 F)	10 of 100 (Routine)
Parnu	Estonia	Record daily precipitation	23.3 mm (0.9 in)	10 of 100 (Routine)
Waterville Wwtp	United States	Record low maximum temperature	12.2 C (54.0 F)	10 of 100 (Routine)
Fairbury 7S	United States	Record high maximum temperature	33.3 C (91.9 F)	10 of 100 (Routine)
Madison	United States	Record high maximum temperature	30.6 C (87.1 F)	10 of 100 (Routine)
Auburn	United States	Record low maximum temperature	12.2 C (54.0 F)	10 of 100 (Routine)
Woodstock 2 NE	United States	Record high minimum temperature	17.8 C (64.0 F)	10 of 100 (Routine)
Antigo	United States	Record low maximum temperature	7.8 C (46.0 F)	10 of 100 (Routine)
Baia Mare	Romania	Record high minimum temperature	16.0 C (60.8 F)	9 of 100 (Routine)
Gavle	Sweden	Record high minimum temperature	11.8 C (53.2 F)	9 of 100 (Routine)
Saguache	United States	Record high maximum temperature	30.6 C (87.1 F)	8 of 100 (Routine)
Lenox	United States	Record high maximum temperature	32.8 C (91.0 F)	8 of 100 (Routine)
Tuckerton 2 NE	United States	Record low minimum temperature	3.3 C (37.9 F)	8 of 100 (Routine)
Bathurst	Canada	Record low maximum temperature	6.7 C (44.1 F)	7 of 100 (Routine)
Leech Lake	United States	Record low maximum temperature	11.1 C (52.0 F)	7 of 100 (Routine)
Farmington	United States	Record high maximum temperature	32.8 C (91.0 F)	7 of 100 (Routine)

Counts by Type and Timescale

99 records

Records set or tied on 27 May 1930 by type: Highest daily maximum 22, Lowest daily maximum 34, Highest daily minimum 10, Lowest daily minimum 21, Heaviest daily rainfall 12.

Records on 27 May 1930 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	34
Highest daily minimum	10
Lowest daily minimum	21
Heaviest daily rainfall	12
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 May 1930 by timescale: all-time 1, monthly 2, daily 96.

How Much Records Were Beaten By

65 broken records

Margins by which the 65 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.7. Ties are not counted.

Top 20 by Significance

27 May 1930

Top 20 records on 27 May 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1930	Tallinn, EE	daily rain	33.3 mm (1.3 in)	26.7 mm (1.1 in)	40 years	58 of 100 (Notable)
27 May 1930	Pakri, EE	all-time rain	52.6 mm (2.1 in)	11.3 mm (0.4 in)	20 years	54 of 100 (Notable)
27 May 1930	Sorve, EE	daily rain	26.3 mm (1.0 in)	12.1 mm (0.5 in)	36 years	40 of 100 (Notable)
27 May 1930	Liepaja, LV	monthly rain	31.0 mm (1.2 in)	8.8 mm (0.35 in)	4 years	37 of 100 (Notable)
27 May 1930	Aleksandrovsk-Sahalinskij, RU	daily high min	11.1 C (52.0 F)	3.1 C (5.6 F)	46 years	29 of 100 (Routine)
27 May 1930	Melbourne Regional Office, AU	daily high max	20.6 C (69.1 F)	0.4 C (0.7 F)	64 years	27 of 100 (Routine)
27 May 1930	Las Vegas 2 NW, US	daily rain	25.9 mm (1.0 in)	10.7 mm (0.4 in)	28 years	23 of 100 (Routine)
27 May 1930	Kissimmee, US	daily low max	21.7 C (71.1 F)	2.7 C (4.9 F)	28 years	21 of 100 (Routine)
27 May 1930	Jonkoping, SE	daily high min	12.1 C (53.8 F)	0.6 C (1.1 F)	46 years	19 of 100 (Routine)
27 May 1930	Port Arthur, CA	daily low max	9.4 C (48.9 F)	0.6 C (1.1 F)	40 years	18 of 100 (Routine)
27 May 1930	Waycross 4 NE, US	daily low min	10.6 C (51.1 F)	2.7 C (4.9 F)	28 years	18 of 100 (Routine)
27 May 1930	Newton, US	daily low min	3.3 C (37.9 F)	2.8 C (5.0 F)	32 years	18 of 100 (Routine)
27 May 1930	Ft Mc Intosh, US	daily low max	26.7 C (80.1 F)	2.7 C (4.9 F)	28 years	18 of 100 (Routine)
27 May 1930	Cairns Post Office, AU	daily high max	31.7 C (89.1 F)	1.1 C (2.0 F)	25 years	17 of 100 (Routine)
27 May 1930	Guelph Oac, CA	daily low min	-1.1 C (30.0 F)	0.5 C (0.9 F)	38 years	17 of 100 (Routine)
27 May 1930	Arhangelsk, RU	daily rain	12.8 mm (0.5 in)	3.4 mm (0.13 in)	16 years	17 of 100 (Routine)
27 May 1930	Buffalo, US	daily low min	2.2 C (36.0 F)	0.6 C (1.1 F)	38 years	17 of 100 (Routine)
27 May 1930	Kirov, RU	daily rain	12.6 mm (0.5 in)	2.1 mm (0.08 in)	24 years	16 of 100 (Routine)
27 May 1930	Bancroft, CA	daily low max	5.6 C (42.1 F)	6.6 C (11.9 F)	5 years	15 of 100 (Routine)
27 May 1930	Lakefield, CA	daily low max	10.0 C (50.0 F)	2.8 C (5.0 F)	20 years	15 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 1930

Records set or tied on this calendar date in each year from 1797 to 1930. 1930 had 99 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 1930-05-27: 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 5	57
5 to 10	3
10 to 15	3
15 to 20	0
20 to 25	1
25 to 30	1