Weather Records on 1 May 1927

125 weather records were set or tied worldwide on 1 May 1927. Highest significance: Geilo, NO.

Key Facts for 1 May 1927

On 1 May 1927, 125 weather records were set or tied at long-record stations worldwide.
46 were record highs and 46 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 115 daily.
Geilo set a monthly record snow depth of 146.0 cm (57.5 in) on 1 May 1927.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 444 records.

Record Map

125 stations

125 station records on 1 May 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Geilo	Norway	Record snow depth	146.0 cm (57.5 in)	53 of 100 (Notable)
Galway	Ireland	Record daily precipitation	29.3 mm (1.2 in)	41 of 100 (Notable)
Edmonton	Canada	Record daily snowfall	14.0 cm (5.5 in)	29 of 100 (Routine)
Heber	United States	Record high minimum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Colfax	United States	Record low maximum temperature	5.0 C (41.0 F)	26 of 100 (Routine)
Hambantota	Sri Lanka	Record low maximum temperature	24.7 C (76.5 F)	23 of 100 (Routine)
Stornoway Airport	United Kingdom	Record low minimum temperature	-2.2 C (28.0 F)	22 of 100 (Routine)
Bjornholt	Norway	Record snow depth	108.0 cm (42.5 in)	21 of 100 (Routine)
Mc Minnville	United States	Record low maximum temperature	8.9 C (48.0 F)	21 of 100 (Routine)
Steveston	Canada	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Nord-Rana	Norway	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Mc Minnville	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Alberni Beaver Creek	Canada	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low maximum temperature	15.4 C (59.7 F)	20 of 100 (Routine)
Oxford	United Kingdom	Record low minimum temperature	-0.9 C (30.4 F)	20 of 100 (Routine)
Kremsmuenster	Austria	Record daily precipitation	34.7 mm (1.4 in)	19 of 100 (Routine)
Levan	United States	Record high minimum temperature	11.7 C (53.1 F)	19 of 100 (Routine)
Hedal I Valdres	Norway	Record snow depth	84.0 cm (33.1 in)	18 of 100 (Routine)
Fillmore	United States	Record high minimum temperature	12.8 C (55.0 F)	18 of 100 (Routine)
Aberdeen	United States	Record daily precipitation	24.9 mm (1.0 in)	18 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record daily precipitation	12.4 mm (0.5 in)	17 of 100 (Routine)
Lubeck-Werft	Germany	Record low minimum temperature	-2.0 C (28.4 F)	17 of 100 (Routine)
Zagreb-Gric	Croatia	Record high maximum temperature	25.8 C (78.4 F)	17 of 100 (Routine)
Cherdyn'	Russia	Record daily precipitation	8.0 mm (0.31 in)	17 of 100 (Routine)
Durham	United Kingdom	Record low minimum temperature	-4.4 C (24.1 F)	17 of 100 (Routine)
Port Germein (Telowie)	Australia	Record daily precipitation	3.8 mm (0.15 in)	15 of 100 (Routine)
Sheffield	United Kingdom	Record low minimum temperature	0.0 C (32.0 F)	15 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record high minimum temperature	9.4 C (48.9 F)	15 of 100 (Routine)
Las Vegas 2 NW	United States	Record high maximum temperature	29.4 C (84.9 F)	15 of 100 (Routine)
Socorro	United States	Record high maximum temperature	32.8 C (91.0 F)	15 of 100 (Routine)
Logan Utah St UNIV	United States	Record high minimum temperature	12.2 C (54.0 F)	15 of 100 (Routine)
Edmonton	Canada	Record daily precipitation	14.5 mm (0.6 in)	14 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record daily precipitation	3.6 mm (0.14 in)	14 of 100 (Routine)
Bisbee	United States	Record high maximum temperature	34.4 C (93.9 F)	14 of 100 (Routine)
Columbus 3 NE	United States	Record high minimum temperature	15.0 C (59.0 F)	14 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record low minimum temperature	0.0 C (32.0 F)	14 of 100 (Routine)
Jerrys Plains Post Office	Australia	Record daily precipitation	8.6 mm (0.34 in)	13 of 100 (Routine)
Warkworth 1 Public School	Australia	Record daily precipitation	12.7 mm (0.5 in)	13 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record low minimum temperature	0.7 C (33.3 F)	13 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	14.2 C (57.6 F)	13 of 100 (Routine)
Kokstad	South Africa	Record daily precipitation	25.1 mm (1.0 in)	13 of 100 (Routine)
Castle Rock	United States	Record high maximum temperature	28.9 C (84.0 F)	13 of 100 (Routine)
Cowles	United States	Record high maximum temperature	21.1 C (70.0 F)	13 of 100 (Routine)
Florence #1	United States	Record low maximum temperature	19.4 C (66.9 F)	13 of 100 (Routine)
Forestburg 4 NNE	United States	Record high minimum temperature	12.8 C (55.0 F)	13 of 100 (Routine)
Deseret	United States	Record high minimum temperature	9.4 C (48.9 F)	13 of 100 (Routine)
Laramie	United States	Record high minimum temperature	9.4 C (48.9 F)	13 of 100 (Routine)
Roswell Muni AP	United States	Record high maximum temperature	33.3 C (91.9 F)	13 of 100 (Routine)
Chaplin	Canada	Record daily precipitation	12.2 mm (0.5 in)	12 of 100 (Routine)
Battleford	Canada	Record daily precipitation	4.1 mm (0.16 in)	12 of 100 (Routine)
Granite Reef Dam	United States	Record high maximum temperature	36.7 C (98.1 F)	12 of 100 (Routine)
Springer	United States	Record high maximum temperature	28.3 C (82.9 F)	12 of 100 (Routine)
Atyrau	Kazakhstan	Record high minimum temperature	14.1 C (57.4 F)	11 of 100 (Routine)
Independence	United States	Record high minimum temperature	13.3 C (55.9 F)	11 of 100 (Routine)
Ft Morgan	United States	Record high maximum temperature	28.3 C (82.9 F)	11 of 100 (Routine)
Las Animas	United States	Record high maximum temperature	33.3 C (91.9 F)	11 of 100 (Routine)
Rocky Ford 2 SE	United States	Record high maximum temperature	30.6 C (87.1 F)	11 of 100 (Routine)
Briagolong	Australia	Record daily precipitation	4.6 mm (0.18 in)	10 of 100 (Routine)
Kiev	Ukraine	Record high maximum temperature	26.9 C (80.4 F)	10 of 100 (Routine)

Counts by Type and Timescale

125 records

Records set or tied on 1 May 1927 by type: Highest daily maximum 25, Lowest daily maximum 14, Highest daily minimum 21, Lowest daily minimum 32, Heaviest daily rainfall 27, Heaviest daily snowfall 1, Deepest snow cover 5.

Records on 1 May 1927 by type
Record type	Records
Highest daily maximum	25
Lowest daily maximum	14
Highest daily minimum	21
Lowest daily minimum	32
Heaviest daily rainfall	27
Heaviest daily snowfall	1
Deepest snow cover	5

Records on 1 May 1927 by timescale: all-time 0, monthly 10, daily 115.

How Much Records Were Beaten By

88 broken records

Margins by which the 88 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 730.0. Ties are not counted.

Top 20 by Significance

1 May 1927

Top 20 records on 1 May 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1927	Geilo, NO	monthly snow depth	146.0 cm (57.5 in)	73.0 cm (28.7 in)	1 year	53 of 100 (Notable)
1 May 1927	Galway, IE	daily rain	29.3 mm (1.2 in)	14.0 mm (0.6 in)	20 years	41 of 100 (Notable)
1 May 1927	Edmonton, CA	daily snowfall	14.0 cm (5.5 in)	11.7 cm (4.6 in)	27 years	29 of 100 (Routine)
1 May 1927	Heber, US	daily high min	11.1 C (52.0 F)	5.5 C (9.9 F)	33 years	28 of 100 (Routine)
1 May 1927	Colfax, US	monthly low max	5.0 C (41.0 F)	2.2 C (4.0 F)	30 years	26 of 100 (Routine)
1 May 1927	Hambantota, LK	monthly low max	24.7 C (76.5 F)	0.4 C (0.7 F)	20 years	23 of 100 (Routine)
1 May 1927	Stornoway Airport, GB	daily low min	-2.2 C (28.0 F)	1.1 C (2.0 F)	44 years	22 of 100 (Routine)
1 May 1927	Bjornholt, NO	monthly snow depth	108.0 cm (42.5 in)	6.0 cm (2.4 in)	22 years	21 of 100 (Routine)
1 May 1927	Mc Minnville, US	monthly low max	8.9 C (48.0 F)	0.5 C (0.9 F)	29 years	21 of 100 (Routine)
1 May 1927	Steveston, CA	daily rain	12.2 mm (0.5 in)	7.9 mm (0.31 in)	30 years	20 of 100 (Routine)
1 May 1927	Nikolaevsk-Na-Amure, RU	daily rain	12.4 mm (0.5 in)	3.6 mm (0.14 in)	45 years	20 of 100 (Routine)
1 May 1927	Nord-Rana, NO	daily rain	17.0 mm (0.7 in)	9.1 mm (0.36 in)	22 years	20 of 100 (Routine)
1 May 1927	Mc Minnville, US	daily rain	15.2 mm (0.6 in)	4.8 mm (0.19 in)	30 years	20 of 100 (Routine)
1 May 1927	Alberni Beaver Creek, CA	daily rain	20.3 mm (0.8 in)	6.3 mm (0.25 in)	30 years	20 of 100 (Routine)
1 May 1927	Nuwara Eliya, LK	daily low max	15.4 C (59.7 F)	2.7 C (4.9 F)	6 years	20 of 100 (Routine)
1 May 1927	Oxford, GB	daily low min	-0.9 C (30.4 F)	0.2 C (0.4 F)	34 years	20 of 100 (Routine)
1 May 1927	Kremsmuenster, AT	daily rain	34.7 mm (1.4 in)	9.4 mm (0.37 in)	12 years	19 of 100 (Routine)
1 May 1927	Levan, US	daily high min	11.7 C (53.1 F)	3.4 C (6.1 F)	25 years	19 of 100 (Routine)
1 May 1927	Hedal I Valdres, NO	monthly snow depth	84.0 cm (33.1 in)	6.0 cm (2.4 in)	9 years	18 of 100 (Routine)
1 May 1927	Fillmore, US	daily high min	12.8 C (55.0 F)	3.9 C (7.0 F)	25 years	18 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

1795 to 1927

Records set or tied on this calendar date in each year from 1795 to 1927. 1927 had 125 records.

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

Records on 05-01 in each year
Year	Records
1795	1
1802	1
1804	1
1814	1
1818	1
1835	1
1836	1
1840	1
1846	2
1847	1
1850	1
1851	1
1857	1
1860	1
1861	1
1864	2
1865	1
1868	2
1872	1
1875	4
1878	2
1879	2
1880	3
1881	2
1884	1
1885	1
1886	2
1887	2
1888	2
1889	3
1890	2
1891	5
1892	6
1893	2
1894	5
1896	1
1897	4
1898	1
1899	8
1900	1
1901	5
1902	7
1903	9
1904	9
1905	13
1906	12
1907	31
1908	20
1909	49
1910	13
1911	22
1912	18
1913	54
1914	23
1915	27
1916	27
1917	37
1918	34
1919	150
1920	186
1921	41
1922	92
1923	64
1924	63
1925	118
1926	500
1927	125
1928	190
1929	142
1930	263
1931	537
1932	220
1933	706
1934	305
1935	276
1936	368
1937	218
1938	304
1939	227
1940	731
1941	333
1942	1,036
1943	526
1944	229
1945	350
1946	415
1947	655
1948	774
1949	405
1950	439
1951	894
1952	557
1953	917
1954	1,506
1955	772
1956	1,106
1957	359
1958	448
1959	764
1960	737
1961	588
1962	615
1963	704
1964	312
1965	360
1966	707
1967	948
1968	426
1969	429
1970	1,075
1971	444
1972	562
1973	841
1974	589
1975	286
1976	673
1977	545
1978	1,202
1979	612
1980	507
1981	1,265
1982	508
1983	1,423
1984	640
1985	789
1986	512
1987	1,098
1988	1,058
1989	949
1990	922
1991	633
1992	1,201
1993	1,101
1994	1,210
1995	1,365
1996	1,439
1997	804
1998	951
1999	932
2000	809
2001	1,106
2002	1,221
2003	964
2004	887
2005	1,320
2006	734
2007	857
2008	979
2009	679
2010	1,151
2011	716
2012	796
2013	976
2014	941
2015	550
2016	844
2017	1,163
2018	519
2019	788
2020	1,099
2021	834
2022	319
2023	912
2024	458
2025	430
2026	623

Download the Data

Data for records on 1927-05-01: 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 100	86
100 to 200	1
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	0
700 to 800	1