Weather Records on 4 May 1939

295 weather records were set or tied worldwide on 4 May 1939. Highest significance: Baandee, AU.

Key Facts for 4 May 1939

On 4 May 1939, 295 weather records were set or tied at long-record stations worldwide.
82 were record highs and 167 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 281 daily.
Baandee set a monthly record daily precipitation of 55.6 mm (2.2 in) on 4 May 1939.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 431 records.

Record Map

295 stations

295 station records on 4 May 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Baandee	Australia	Record daily precipitation	55.6 mm (2.2 in)	49 of 100 (Notable)
Fort Vermilion Cda	Canada	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Storlien	Sweden	Record low minimum temperature	-17.0 C (1.4 F)	38 of 100 (Notable)
Bookara	Australia	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high minimum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
Thermopolis	United States	Record high minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Marshall	United States	Record low minimum temperature	-2.2 C (28.0 F)	30 of 100 (Routine)
Geraldton Town	Australia	Record daily precipitation	34.5 mm (1.4 in)	29 of 100 (Routine)
Nabawa	Australia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Hendersonville 1 NE	United States	Record low minimum temperature	-1.1 C (30.0 F)	27 of 100 (Routine)
Greenough	Australia	Record daily precipitation	29.2 mm (1.1 in)	25 of 100 (Routine)
Tallapoosa 2 N	United States	Record low minimum temperature	0.6 C (33.1 F)	25 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Gaddede	Sweden	Record low minimum temperature	-13.0 C (8.6 F)	24 of 100 (Routine)
Regina Int'l A	Canada	Record high minimum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Skara 1	Sweden	Record low minimum temperature	-5.9 C (21.4 F)	23 of 100 (Routine)
Hyannis	United States	Record low maximum temperature	5.6 C (42.1 F)	23 of 100 (Routine)
Waynesville 1 E	United States	Record low minimum temperature	-1.7 C (28.9 F)	23 of 100 (Routine)
Kingstree	United States	Record low minimum temperature	3.3 C (37.9 F)	23 of 100 (Routine)
Coldwater	United States	Record low minimum temperature	0.6 C (33.1 F)	23 of 100 (Routine)
Doniphan	United States	Record low minimum temperature	-0.6 C (30.9 F)	22 of 100 (Routine)
Beaufort Wwtp	United States	Record low minimum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Dongara	Australia	Record daily precipitation	38.4 mm (1.5 in)	21 of 100 (Routine)
Louisburg	United States	Record daily precipitation	29.7 mm (1.2 in)	21 of 100 (Routine)
Salisbury	United States	Record low minimum temperature	1.7 C (35.1 F)	21 of 100 (Routine)
Vernon Coldstream Ranch	Canada	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Northampton	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Castra Central	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Glacier	Canada	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Palermo	Italy	Record daily precipitation	21.0 mm (0.8 in)	20 of 100 (Routine)
Tarnaby	Sweden	Record low minimum temperature	-15.0 C (5.0 F)	20 of 100 (Routine)
Tuscumbia	United States	Record low minimum temperature	4.4 C (39.9 F)	20 of 100 (Routine)
Santuck	United States	Record low minimum temperature	0.0 C (32.0 F)	20 of 100 (Routine)
Burkes Garden	United States	Record low minimum temperature	-6.1 C (21.0 F)	20 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	8.0 mm (0.31 in)	19 of 100 (Routine)
Gadsden	United States	Record low minimum temperature	3.9 C (39.0 F)	19 of 100 (Routine)
Tuscaloosa Oliver Dam	United States	Record low minimum temperature	5.6 C (42.1 F)	19 of 100 (Routine)
Franklin Sewage Plt	United States	Record low minimum temperature	1.1 C (34.0 F)	19 of 100 (Routine)
Launceston (Pumping Station)	Australia	Record high minimum temperature	13.9 C (57.0 F)	18 of 100 (Routine)
Ulricehamn	Sweden	Record low minimum temperature	-4.5 C (23.9 F)	18 of 100 (Routine)
W Pt	United States	Record low minimum temperature	4.4 C (39.9 F)	18 of 100 (Routine)
Gothenburg	United States	Record high minimum temperature	12.8 C (55.0 F)	18 of 100 (Routine)
Jefferson 2 E	United States	Record low minimum temperature	-2.8 C (27.0 F)	18 of 100 (Routine)
Lenoir	United States	Record low minimum temperature	0.0 C (32.0 F)	18 of 100 (Routine)
Moncure 3 SE	United States	Record low minimum temperature	0.0 C (32.0 F)	18 of 100 (Routine)
Southern Pines 2 W	United States	Record low minimum temperature	4.4 C (39.9 F)	18 of 100 (Routine)
Lewisburg Exp STN	United States	Record low minimum temperature	1.1 C (34.0 F)	18 of 100 (Routine)
Beckley Va Hospital	United States	Record low minimum temperature	-5.0 C (23.0 F)	18 of 100 (Routine)
Winston Salem Reynolds AP	United States	Record low minimum temperature	0.6 C (33.1 F)	18 of 100 (Routine)
Grass Valley	Australia	Record daily precipitation	37.8 mm (1.5 in)	17 of 100 (Routine)
Szeged	Hungary	Record daily precipitation	15.2 mm (0.6 in)	17 of 100 (Routine)
Talladega	United States	Record low minimum temperature	4.4 C (39.9 F)	17 of 100 (Routine)
Brockton	United States	Record low maximum temperature	8.9 C (48.0 F)	17 of 100 (Routine)
Miles City	United States	Record high minimum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Chapel Hill 2 W	United States	Record low minimum temperature	3.9 C (39.0 F)	17 of 100 (Routine)
Kinston 7 SE	United States	Record low minimum temperature	3.3 C (37.9 F)	17 of 100 (Routine)
Clemson UNIV	United States	Record low minimum temperature	3.9 C (39.0 F)	17 of 100 (Routine)
Newberry	United States	Record low minimum temperature	3.9 C (39.0 F)	17 of 100 (Routine)
Yemassee 1 N	United States	Record low minimum temperature	3.3 C (37.9 F)	17 of 100 (Routine)
Carthage	United States	Record low minimum temperature	3.3 C (37.9 F)	17 of 100 (Routine)

Counts by Type and Timescale

295 records

Records set or tied on 4 May 1939 by type: Highest daily maximum 46, Lowest daily maximum 15, Highest daily minimum 36, Lowest daily minimum 152, Heaviest daily rainfall 45, Heaviest daily snowfall 1.

Records on 4 May 1939 by type
Record type	Records
Highest daily maximum	46
Lowest daily maximum	15
Highest daily minimum	36
Lowest daily minimum	152
Heaviest daily rainfall	45
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 4 May 1939 by timescale: all-time 0, monthly 14, daily 281.

How Much Records Were Beaten By

202 broken records

Margins by which the 202 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 28.7. Ties are not counted.

Top 20 by Significance

4 May 1939

Top 20 records on 4 May 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1939	Baandee, AU	monthly rain	55.6 mm (2.2 in)	18.0 mm (0.7 in)	31 years	49 of 100 (Notable)
4 May 1939	Fort Vermilion Cda, CA	daily rain	27.4 mm (1.1 in)	22.8 mm (0.9 in)	17 years	45 of 100 (Notable)
4 May 1939	Storlien, SE	daily low min	-17.0 C (1.4 F)	8.5 C (15.3 F)	30 years	38 of 100 (Notable)
4 May 1939	Bookara, AU	daily rain	45.2 mm (1.8 in)	28.7 mm (1.1 in)	1 year	35 of 100 (Notable)
4 May 1939	Cape Otway Lighthouse, AU	daily high min	16.1 C (61.0 F)	0.5 C (0.9 F)	74 years	31 of 100 (Routine)
4 May 1939	Thermopolis, US	daily high min	15.0 C (59.0 F)	7.8 C (14.0 F)	28 years	31 of 100 (Routine)
4 May 1939	Marshall, US	monthly low min	-2.2 C (28.0 F)	2.2 C (4.0 F)	38 years	30 of 100 (Routine)
4 May 1939	Geraldton Town, AU	daily rain	34.5 mm (1.4 in)	17.0 mm (0.7 in)	24 years	29 of 100 (Routine)
4 May 1939	Nabawa, AU	daily rain	25.4 mm (1.0 in)	13.2 mm (0.5 in)	24 years	27 of 100 (Routine)
4 May 1939	Hendersonville 1 NE, US	daily low min	-1.1 C (30.0 F)	5.0 C (9.0 F)	38 years	27 of 100 (Routine)
4 May 1939	Greenough, AU	daily rain	29.2 mm (1.1 in)	15.0 mm (0.6 in)	16 years	25 of 100 (Routine)
4 May 1939	Tallapoosa 2 N, US	monthly low min	0.6 C (33.1 F)	1.1 C (2.0 F)	31 years	25 of 100 (Routine)
4 May 1939	Galway, IE	daily low max	10.0 C (50.0 F)	0.6 C (1.1 F)	54 years	24 of 100 (Routine)
4 May 1939	Gaddede, SE	daily low min	-13.0 C (8.6 F)	4.5 C (8.1 F)	29 years	24 of 100 (Routine)
4 May 1939	Regina Int'l A, CA	daily high min	8.3 C (46.9 F)	1.6 C (2.9 F)	51 years	23 of 100 (Routine)
4 May 1939	Skara 1, SE	daily low min	-5.9 C (21.4 F)	0.9 C (1.6 F)	55 years	23 of 100 (Routine)
4 May 1939	Hyannis, US	monthly low max	5.6 C (42.1 F)	1.1 C (2.0 F)	24 years	23 of 100 (Routine)
4 May 1939	Waynesville 1 E, US	daily low min	-1.7 C (28.9 F)	3.4 C (6.1 F)	38 years	23 of 100 (Routine)
4 May 1939	Kingstree, US	monthly low min	3.3 C (37.9 F)	0.6 C (1.1 F)	27 years	23 of 100 (Routine)
4 May 1939	Coldwater, US	daily low min	0.6 C (33.1 F)	3.8 C (6.8 F)	38 years	23 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 1939

Records set or tied on this calendar date in each year from 1795 to 1939. 1939 had 295 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 1939-05-04: 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	177
5 to 10	12
10 to 15	5
15 to 20	5
20 to 25	2
25 to 30	1