Weather Records on 1 May 1928

190 weather records were set or tied worldwide on 1 May 1928. Highest significance: Baku, AZ.

Key Facts for 1 May 1928

On 1 May 1928, 190 weather records were set or tied at long-record stations worldwide.
122 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 186 daily.
Baku set a monthly record daily precipitation of 31.8 mm (1.3 in) on 1 May 1928.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 444 records.

Record Map

190 stations

190 station records on 1 May 1928 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1928: highest significance records shown on the map
Station	Country	Type	Value	Significance
Baku	Azerbaijan	Record daily precipitation	31.8 mm (1.3 in)	65 of 100 (Major)
Chicoutimi	Canada	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Warragul	Australia	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Lardner (Brandie Braes)	Australia	Record daily precipitation	33.8 mm (1.3 in)	35 of 100 (Notable)
Warragul (Carbethon)	Australia	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Childers	Australia	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
Jena Sternwarte	Germany	Record high minimum temperature	13.5 C (56.3 F)	31 of 100 (Routine)
Blackwarry	Australia	Record daily precipitation	49.5 mm (1.9 in)	28 of 100 (Routine)
Scottsdale	Australia	Record daily precipitation	43.4 mm (1.7 in)	27 of 100 (Routine)
Loch	Australia	Record daily precipitation	35.6 mm (1.4 in)	25 of 100 (Routine)
Sydney	Canada	Record high maximum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
Wray	United States	Record high maximum temperature	39.4 C (102.9 F)	24 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Kologha (Bos)	South Africa	Record daily precipitation	25.7 mm (1.0 in)	23 of 100 (Routine)
Santa Fe	United States	Record high maximum temperature	26.7 C (80.1 F)	23 of 100 (Routine)
Moe Gippsland Water	Australia	Record daily precipitation	32.3 mm (1.3 in)	22 of 100 (Routine)
Ashland	United States	Record low minimum temperature	-1.7 C (28.9 F)	21 of 100 (Routine)
Zametchino	Russia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Portarlington	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Maroondah Weir (Melbourne Wate	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Goldstream Lake	Canada	Record daily snowfall	0.8 cm (0.3 in)	20 of 100 (Routine)
Gembrook	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Windsor Kings College	Canada	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Port Albert	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Katberg (Bos)	South Africa	Record daily precipitation	36.8 mm (1.4 in)	20 of 100 (Routine)
Sydney	Canada	Record high minimum temperature	6.7 C (44.1 F)	19 of 100 (Routine)
Nordby (Fano)	Denmark	Record high minimum temperature	10.4 C (50.7 F)	19 of 100 (Routine)
Savannah 6 SW	United States	Record daily precipitation	34.3 mm (1.4 in)	19 of 100 (Routine)
Sewanee	United States	Record daily precipitation	43.7 mm (1.7 in)	19 of 100 (Routine)
Port Germein	Australia	Record daily precipitation	7.9 mm (0.31 in)	18 of 100 (Routine)
Georgetown Post Office	Australia	Record low minimum temperature	9.4 C (48.9 F)	18 of 100 (Routine)
Goulburn (Kippilaw)	Australia	Record daily precipitation	2.8 mm (0.11 in)	18 of 100 (Routine)
Leongatha Sth Gippsland Water	Australia	Record daily precipitation	23.9 mm (0.9 in)	18 of 100 (Routine)
Neerim	Australia	Record daily precipitation	22.9 mm (0.9 in)	18 of 100 (Routine)
Graz	Austria	Record high minimum temperature	13.9 C (57.0 F)	18 of 100 (Routine)
Lamar	United States	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Berlin (Sar)	South Africa	Record daily precipitation	18.3 mm (0.7 in)	17 of 100 (Routine)
Lexington	United States	Record high maximum temperature	32.8 C (91.0 F)	17 of 100 (Routine)
El Paso	United States	Record high minimum temperature	17.8 C (64.0 F)	17 of 100 (Routine)
Spokane Intl AP	United States	Record low maximum temperature	8.9 C (48.0 F)	17 of 100 (Routine)
Muenster	Germany	Record high minimum temperature	12.5 C (54.5 F)	16 of 100 (Routine)
Sveg	Sweden	Record high maximum temperature	20.5 C (68.9 F)	16 of 100 (Routine)
Storlien	Sweden	Record high maximum temperature	14.0 C (57.2 F)	16 of 100 (Routine)
New Braunfels	United States	Record high maximum temperature	33.3 C (91.9 F)	16 of 100 (Routine)
Paragonah	United States	Record high minimum temperature	8.3 C (46.9 F)	16 of 100 (Routine)
Murringo (Windermere)	Australia	Record daily precipitation	4.1 mm (0.16 in)	15 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	21.7 C (71.1 F)	15 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	21.6 C (70.9 F)	15 of 100 (Routine)
Bamberg	Germany	Record high minimum temperature	12.9 C (55.2 F)	15 of 100 (Routine)
Strawberry Hill (Bos)	South Africa	Record daily precipitation	26.4 mm (1.0 in)	15 of 100 (Routine)
Camden 1	United States	Record high maximum temperature	36.1 C (97.0 F)	15 of 100 (Routine)
Lakin	United States	Record high minimum temperature	14.4 C (57.9 F)	15 of 100 (Routine)
Two Harbors	United States	Record high minimum temperature	6.7 C (44.1 F)	15 of 100 (Routine)
Bridgeport	United States	Record high maximum temperature	34.4 C (93.9 F)	15 of 100 (Routine)
Hay Springs	United States	Record high maximum temperature	32.8 C (91.0 F)	15 of 100 (Routine)
Austin #2	United States	Record high maximum temperature	26.7 C (80.1 F)	15 of 100 (Routine)
Los Lunas	United States	Record high maximum temperature	33.3 C (91.9 F)	15 of 100 (Routine)
Heber	United States	Record high maximum temperature	26.1 C (79.0 F)	15 of 100 (Routine)
Broome Post Office	Australia	Record high maximum temperature	37.4 C (99.3 F)	14 of 100 (Routine)
Mundallio	Australia	Record daily precipitation	1.3 mm (0.05 in)	14 of 100 (Routine)

Counts by Type and Timescale

190 records

Records set or tied on 1 May 1928 by type: Highest daily maximum 83, Lowest daily maximum 2, Highest daily minimum 39, Lowest daily minimum 9, Heaviest daily rainfall 55, Heaviest daily snowfall 2.

Records on 1 May 1928 by type
Record type	Records
Highest daily maximum	83
Lowest daily maximum	2
Highest daily minimum	39
Lowest daily minimum	9
Heaviest daily rainfall	55
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 1 May 1928 by timescale: all-time 0, monthly 4, daily 186.

How Much Records Were Beaten By

168 broken records

Margins by which the 168 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.0. Ties are not counted.

Top 20 by Significance

1 May 1928

Top 20 records on 1 May 1928 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1928	Baku, AZ	monthly rain	31.8 mm (1.3 in)	14.9 mm (0.6 in)	39 years	65 of 100 (Major)
1 May 1928	Chicoutimi, CA	daily rain	25.4 mm (1.0 in)	13.5 mm (0.5 in)	43 years	40 of 100 (Notable)
1 May 1928	Warragul, AU	daily rain	36.8 mm (1.4 in)	19.8 mm (0.8 in)	35 years	37 of 100 (Notable)
1 May 1928	Lardner (Brandie Braes), AU	daily rain	33.8 mm (1.3 in)	20.1 mm (0.8 in)	21 years	35 of 100 (Notable)
1 May 1928	Warragul (Carbethon), AU	daily rain	35.3 mm (1.4 in)	22.6 mm (0.9 in)	2 years	35 of 100 (Notable)
1 May 1928	Childers, AU	daily rain	42.7 mm (1.7 in)	20.3 mm (0.8 in)	21 years	33 of 100 (Routine)
1 May 1928	Jena Sternwarte, DE	daily high min	13.5 C (56.3 F)	2.2 C (4.0 F)	55 years	31 of 100 (Routine)
1 May 1928	Blackwarry, AU	daily rain	49.5 mm (1.9 in)	36.8 mm (1.4 in)	2 years	28 of 100 (Routine)
1 May 1928	Scottsdale, AU	daily rain	43.4 mm (1.7 in)	16.2 mm (0.6 in)	24 years	27 of 100 (Routine)
1 May 1928	Loch, AU	daily rain	35.6 mm (1.4 in)	17.1 mm (0.7 in)	2 years	25 of 100 (Routine)
1 May 1928	Sydney, CA	daily high max	19.4 C (66.9 F)	2.7 C (4.9 F)	48 years	24 of 100 (Routine)
1 May 1928	Wray, US	monthly high max	39.4 C (102.9 F)	1.1 C (2.0 F)	33 years	24 of 100 (Routine)
1 May 1928	Heinersreuth-Vollhof, DE	daily high min	12.8 C (55.0 F)	2.7 C (4.9 F)	38 years	23 of 100 (Routine)
1 May 1928	Kologha (Bos), ZA	daily rain	25.7 mm (1.0 in)	8.9 mm (0.35 in)	25 years	23 of 100 (Routine)
1 May 1928	Santa Fe, US	daily high max	26.7 C (80.1 F)	1.7 C (3.1 F)	48 years	23 of 100 (Routine)
1 May 1928	Moe Gippsland Water, AU	daily rain	32.3 mm (1.3 in)	11.2 mm (0.4 in)	21 years	22 of 100 (Routine)
1 May 1928	Ashland, US	daily low min	-1.7 C (28.9 F)	2.8 C (5.0 F)	33 years	21 of 100 (Routine)
1 May 1928	Zametchino, RU	daily rain	17.5 mm (0.7 in)	11.7 mm (0.5 in)	17 years	20 of 100 (Routine)
1 May 1928	Portarlington, AU	daily rain	23.1 mm (0.9 in)	10.4 mm (0.4 in)	21 years	20 of 100 (Routine)
1 May 1928	Maroondah Weir (Melbourne Wate, AU	daily rain	23.6 mm (0.9 in)	9.4 mm (0.37 in)	34 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

1795 to 1928

Records set or tied on this calendar date in each year from 1795 to 1928. 1928 had 190 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 1928-05-01: 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).