Weather Records on 30 May 1927

177 weather records were set or tied worldwide on 30 May 1927. Highest significance: Geilo, NO.

Key Facts for 30 May 1927

On 30 May 1927, 177 weather records were set or tied at long-record stations worldwide.
82 were record highs and 59 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 21 monthly and 155 daily.
Geilo set a daily record snow depth of 90.0 cm (35.4 in) on 30 May 1927.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 440 records.

Record Map

177 stations

177 station records on 30 May 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Geilo	Norway	Record snow depth	90.0 cm (35.4 in)	51 of 100 (Notable)
Bluff City	United States	Record daily precipitation	82.6 mm (3.3 in)	46 of 100 (Notable)
Tahlee (Carrington (Church St)	Australia	Record daily precipitation	62.0 mm (2.4 in)	34 of 100 (Routine)
Vincennes 4 E	United States	Record daily precipitation	52.1 mm (2.1 in)	33 of 100 (Routine)
Heber	United States	Record low minimum temperature	-6.1 C (21.0 F)	26 of 100 (Routine)
Robe Comparison	Australia	Record low maximum temperature	10.9 C (51.6 F)	25 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	2.8 C (37.0 F)	24 of 100 (Routine)
Morganton	United States	Record daily precipitation	35.1 mm (1.4 in)	24 of 100 (Routine)
Frankfort Downtown	United States	Record high minimum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Decatur 1 N	United States	Record high minimum temperature	21.1 C (70.0 F)	23 of 100 (Routine)
Winnemucca AP	United States	Record low minimum temperature	-2.2 C (28.0 F)	23 of 100 (Routine)
Tuscumbia	United States	Record high minimum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Casey	United States	Record daily precipitation	45.2 mm (1.8 in)	21 of 100 (Routine)
Franklin Sewage Plt	United States	Record high minimum temperature	23.3 C (73.9 F)	21 of 100 (Routine)
Jackson Exp STN	United States	Record high minimum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Delegate Post Office	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	14.8 mm (0.6 in)	20 of 100 (Routine)
Bathurst	Canada	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Bombala (Therry Street)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Claremont Pomona Clg	United States	Record low minimum temperature	3.3 C (37.9 F)	20 of 100 (Routine)
Falmouth	United States	Record daily precipitation	45.2 mm (1.8 in)	20 of 100 (Routine)
Tashkent	Uzbekistan	Record low minimum temperature	4.1 C (39.4 F)	20 of 100 (Routine)
Mildura Post Office	Australia	Record low minimum temperature	-2.2 C (28.0 F)	19 of 100 (Routine)
Butlerville 2 WNW	United States	Record daily precipitation	19.3 mm (0.8 in)	19 of 100 (Routine)
Moxley	United States	Record daily precipitation	28.7 mm (1.1 in)	19 of 100 (Routine)
Johnsonville	United States	Record high minimum temperature	25.0 C (77.0 F)	19 of 100 (Routine)
Perryville	United States	Record high minimum temperature	23.9 C (75.0 F)	19 of 100 (Routine)
Tullahoma	United States	Record high minimum temperature	22.8 C (73.0 F)	19 of 100 (Routine)
Laramie	United States	Record low minimum temperature	-2.8 C (27.0 F)	19 of 100 (Routine)
Bonang	Australia	Record daily precipitation	17.8 mm (0.7 in)	18 of 100 (Routine)
Worcester	United States	Record low minimum temperature	3.3 C (37.9 F)	18 of 100 (Routine)
Mc Minnville	United States	Record high minimum temperature	23.9 C (75.0 F)	18 of 100 (Routine)
Conway	United States	Record high minimum temperature	23.9 C (75.0 F)	17 of 100 (Routine)
Palestine	United States	Record daily precipitation	96.0 mm (3.8 in)	17 of 100 (Routine)
Brookhaven City	United States	Record high minimum temperature	26.1 C (79.0 F)	17 of 100 (Routine)
Bellefontaine	United States	Record daily precipitation	21.1 mm (0.8 in)	17 of 100 (Routine)
Cape Moreton Lighthouse	Australia	Record daily precipitation	48.0 mm (1.9 in)	16 of 100 (Routine)
Mena	United States	Record high minimum temperature	22.2 C (72.0 F)	16 of 100 (Routine)
Meeker	United States	Record low minimum temperature	-6.7 C (19.9 F)	16 of 100 (Routine)
Hutchinson River	United States	Record low minimum temperature	5.0 C (41.0 F)	16 of 100 (Routine)
Austin	United States	Record high minimum temperature	23.3 C (73.9 F)	16 of 100 (Routine)
Palmetto	United States	Record high minimum temperature	23.9 C (75.0 F)	16 of 100 (Routine)
Tizi Ouzou	Algeria	Record high maximum temperature	36.0 C (96.8 F)	15 of 100 (Routine)
Orbost (Comparison)	Australia	Record daily precipitation	25.4 mm (1.0 in)	15 of 100 (Routine)
Roermond	Netherlands	Record daily precipitation	18.5 mm (0.7 in)	15 of 100 (Routine)
Enisejsk	Russia	Record daily precipitation	5.5 mm (0.22 in)	15 of 100 (Routine)
Bisbee	United States	Record high maximum temperature	35.0 C (95.0 F)	15 of 100 (Routine)
Malvern	United States	Record high minimum temperature	23.3 C (73.9 F)	15 of 100 (Routine)
Gunnison 3SW	United States	Record low minimum temperature	-6.7 C (19.9 F)	15 of 100 (Routine)
Steele 4N	United States	Record low maximum temperature	12.2 C (54.0 F)	15 of 100 (Routine)
Hohenwald	United States	Record high minimum temperature	22.2 C (72.0 F)	15 of 100 (Routine)
Geryville (El-Bayadh)	Algeria	Record high minimum temperature	20.0 C (68.0 F)	14 of 100 (Routine)
Lincoln Lock 4	United States	Record high minimum temperature	22.8 C (73.0 F)	14 of 100 (Routine)
Jonesboro 3 SSE	United States	Record high minimum temperature	24.4 C (75.9 F)	14 of 100 (Routine)
Ft Collins	United States	Record low minimum temperature	0.0 C (32.0 F)	14 of 100 (Routine)
Washington 1 W	United States	Record daily precipitation	37.3 mm (1.5 in)	14 of 100 (Routine)
Newton	United States	Record low minimum temperature	4.4 C (39.9 F)	14 of 100 (Routine)
College STN 6 SW	United States	Record high minimum temperature	25.0 C (77.0 F)	14 of 100 (Routine)
Levan	United States	Record low minimum temperature	-1.1 C (30.0 F)	14 of 100 (Routine)
Elko Rgnl AP	United States	Record low minimum temperature	-3.3 C (26.1 F)	14 of 100 (Routine)

Counts by Type and Timescale

177 records

Records set or tied on 30 May 1927 by type: Highest daily maximum 10, Lowest daily maximum 14, Highest daily minimum 72, Lowest daily minimum 45, Heaviest daily rainfall 33, Deepest snow cover 3.

Records on 30 May 1927 by type
Record type	Records
Highest daily maximum	10
Lowest daily maximum	14
Highest daily minimum	72
Lowest daily minimum	45
Heaviest daily rainfall	33
Heaviest daily snowfall	0
Deepest snow cover	3

Records on 30 May 1927 by timescale: all-time 1, monthly 21, daily 155.

How Much Records Were Beaten By

135 broken records

Margins by which the 135 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 860.0. Ties are not counted.

Top 20 by Significance

30 May 1927

Top 20 records on 30 May 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 1927	Geilo, NO	daily snow depth	90.0 cm (35.4 in)	86.0 cm (33.9 in)	28 years	51 of 100 (Notable)
30 May 1927	Bluff City, US	all-time rain	82.6 mm (3.3 in)	14.0 mm (0.6 in)	25 years	46 of 100 (Notable)
30 May 1927	Tahlee (Carrington (Church St), AU	daily rain	62.0 mm (2.4 in)	36.9 mm (1.5 in)	29 years	34 of 100 (Routine)
30 May 1927	Vincennes 4 E, US	daily rain	52.1 mm (2.1 in)	31.8 mm (1.3 in)	10 years	33 of 100 (Routine)
30 May 1927	Heber, US	daily low min	-6.1 C (21.0 F)	5.0 C (9.0 F)	31 years	26 of 100 (Routine)
30 May 1927	Robe Comparison, AU	monthly low max	10.9 C (51.6 F)	0.3 C (0.5 F)	34 years	25 of 100 (Routine)
30 May 1927	Galway, IE	daily low min	2.8 C (37.0 F)	0.5 C (0.9 F)	57 years	24 of 100 (Routine)
30 May 1927	Morganton, US	daily rain	35.1 mm (1.4 in)	15.3 mm (0.6 in)	30 years	24 of 100 (Routine)
30 May 1927	Frankfort Downtown, US	monthly high min	21.7 C (71.1 F)	0.6 C (1.1 F)	31 years	23 of 100 (Routine)
30 May 1927	Decatur 1 N, US	monthly high min	21.1 C (70.0 F)	0.5 C (0.9 F)	31 years	23 of 100 (Routine)
30 May 1927	Winnemucca AP, US	daily low min	-2.2 C (28.0 F)	1.6 C (2.9 F)	48 years	23 of 100 (Routine)
30 May 1927	Tuscumbia, US	monthly high min	25.0 C (77.0 F)	0.6 C (1.1 F)	28 years	22 of 100 (Routine)
30 May 1927	Casey, US	daily rain	45.2 mm (1.8 in)	17.3 mm (0.7 in)	17 years	21 of 100 (Routine)
30 May 1927	Franklin Sewage Plt, US	monthly high min	23.3 C (73.9 F)	0.5 C (0.9 F)	25 years	21 of 100 (Routine)
30 May 1927	Jackson Exp STN, US	monthly high min	23.9 C (75.0 F)	1.1 C (2.0 F)	22 years	21 of 100 (Routine)
30 May 1927	Delegate Post Office, AU	daily rain	20.3 mm (0.8 in)	12.7 mm (0.5 in)	27 years	20 of 100 (Routine)
30 May 1927	Arhangelsk, RU	daily rain	14.8 mm (0.6 in)	6.1 mm (0.24 in)	14 years	20 of 100 (Routine)
30 May 1927	Bathurst, CA	daily rain	14.5 mm (0.6 in)	8.1 mm (0.32 in)	24 years	20 of 100 (Routine)
30 May 1927	Bombala (Therry Street), AU	daily rain	17.8 mm (0.7 in)	6.9 mm (0.27 in)	33 years	20 of 100 (Routine)
30 May 1927	Claremont Pomona Clg, US	daily low min	3.3 C (37.9 F)	2.3 C (4.1 F)	31 years	20 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

1818 to 1927

Records set or tied on this calendar date in each year from 1818 to 1927. 1927 had 177 records.

Counts for years before the ledger starts come from the same station rules.

Records on 05-30 in each year
Year	Records
1818	3
1844	1
1847	1
1848	1
1852	1
1853	1
1855	1
1856	1
1858	1
1860	2
1863	1
1864	1
1865	4
1867	1
1868	4
1870	1
1871	2
1873	4
1878	1
1879	1
1880	2
1881	1
1882	2
1883	1
1884	2
1885	1
1886	1
1887	1
1889	3
1890	1
1891	1
1892	2
1893	7
1894	2
1895	5
1896	1
1897	1
1898	2
1899	4
1900	1
1901	4
1902	9
1903	12
1904	7
1905	20
1906	8
1907	20
1908	32
1909	6
1910	22
1911	22
1912	26
1913	89
1914	25
1915	32
1916	41
1917	42
1918	31
1919	90
1920	28
1921	392
1922	72
1923	121
1924	187
1925	190
1926	201
1927	177
1928	86
1929	368
1930	530
1931	316
1932	256
1933	250
1934	731
1935	88
1936	579
1937	440
1938	309
1939	336
1940	289
1941	518
1942	500
1943	444
1944	325
1945	383
1946	310
1947	880
1948	386
1949	318
1950	376
1951	448
1952	295
1953	622
1954	271
1955	377
1956	466
1957	267
1958	480
1959	419
1960	274
1961	657
1962	454
1963	245
1964	709
1965	454
1966	326
1967	859
1968	357
1969	1,092
1970	483
1971	1,044
1972	721
1973	391
1974	631
1975	776
1976	499
1977	444
1978	888
1979	1,185
1980	650
1981	1,001
1982	981
1983	1,310
1984	2,543
1985	772
1986	1,264
1987	1,021
1988	1,371
1989	1,021
1990	983
1991	1,264
1992	1,413
1993	690
1994	834
1995	777
1996	893
1997	936
1998	1,190
1999	1,113
2000	1,391
2001	854
2002	940
2003	1,110
2004	1,219
2005	737
2006	1,179
2007	1,128
2008	829
2009	480
2010	771
2011	1,914
2012	720
2013	821
2014	551
2015	699
2016	540
2017	657
2018	1,319
2019	706
2020	920
2021	841
2022	1,034
2023	344
2024	600
2025	828
2026	525

Download the Data

Data for records on 1927-05-30: 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 200	134
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	1