Weather Records on 4 April 1939

243 weather records were set or tied worldwide on 4 April 1939. Highest significance: Lexton, AU.

Key Facts for 4 April 1939

On 4 April 1939, 243 weather records were set or tied at long-record stations worldwide.
96 were record highs and 21 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 241 daily.
Lexton set a monthly record daily precipitation of 52.3 mm (2.1 in) on 4 April 1939.
Across 155 earlier years (1794 to 2026) the same calendar date averaged 506 records.

Record Map

243 stations

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

Weather records on 4 April 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lexton	Australia	Record daily precipitation	52.3 mm (2.1 in)	54 of 100 (Notable)
Manoa 712.1	United States	Record daily precipitation	109.7 mm (4.3 in)	52 of 100 (Notable)
Dillalah	Australia	Record daily precipitation	31.8 mm (1.3 in)	51 of 100 (Notable)
Kualapuu 534	United States	Record daily precipitation	91.9 mm (3.6 in)	49 of 100 (Notable)
Moanalua 770	United States	Record daily precipitation	106.7 mm (4.2 in)	49 of 100 (Notable)
Gumbardo	Australia	Record daily precipitation	53.6 mm (2.1 in)	43 of 100 (Notable)
Greenfield Ctr	United States	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Holbrook (Annandayle)	Australia	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Haleakala Rch 432	United States	Record daily precipitation	123.4 mm (4.9 in)	38 of 100 (Notable)
Aiea Fld 764A	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
De Aar	South Africa	Record daily precipitation	26.4 mm (1.0 in)	31 of 100 (Routine)
Abbott 1 SE	United States	Record daily precipitation	26.9 mm (1.1 in)	31 of 100 (Routine)
1 WSW Princeton	United States	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Nyngan Airport	Australia	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Shawnee	United States	Record daily precipitation	53.3 mm (2.1 in)	25 of 100 (Routine)
Krugersdorp	South Africa	Record daily precipitation	30.2 mm (1.2 in)	23 of 100 (Routine)
Franklin	United States	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Bella Coola	Canada	Record daily snowfall	6.4 cm (2.5 in)	22 of 100 (Routine)
Hay Springs	United States	Record high minimum temperature	5.6 C (42.1 F)	22 of 100 (Routine)
Kimball 2NE	United States	Record high minimum temperature	9.4 C (48.9 F)	22 of 100 (Routine)
Tecumseh 1S	United States	Record daily precipitation	27.2 mm (1.1 in)	22 of 100 (Routine)
Aspen Grove Rch 1 W	United States	Record daily precipitation	25.7 mm (1.0 in)	22 of 100 (Routine)
Enosburg Falls	United States	Record daily snowfall	10.2 cm (4.0 in)	22 of 100 (Routine)
Bedford 2 SE	United States	Record high maximum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record high maximum temperature	19.6 C (67.3 F)	21 of 100 (Routine)
Choteau	United States	Record daily snowfall	10.2 cm (4.0 in)	21 of 100 (Routine)
Elizabethtown	United States	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Hilo 86A	United States	Record high maximum temperature	30.0 C (86.0 F)	21 of 100 (Routine)
Tartu	Estonia	Record daily precipitation	14.3 mm (0.6 in)	20 of 100 (Routine)
Rena	Norway	Record daily precipitation	16.6 mm (0.7 in)	20 of 100 (Routine)
Thornlea	South Africa	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Watertown	United States	Record daily snowfall	3.8 cm (1.5 in)	20 of 100 (Routine)
Biri	Norway	Record daily precipitation	16.9 mm (0.7 in)	20 of 100 (Routine)
Mestad I Oddernes	Norway	Record daily precipitation	23.0 mm (0.9 in)	20 of 100 (Routine)
Holbrook	United States	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Minden	United States	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Flahult	Sweden	Record daily precipitation	12.1 mm (0.5 in)	20 of 100 (Routine)
Hebron	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Rosedale	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Clayton Muni Air Pk	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Sans Souci (Public School)	Australia	Record daily precipitation	60.5 mm (2.4 in)	20 of 100 (Routine)
Gotska Sandon	Sweden	Record daily precipitation	8.8 mm (0.35 in)	20 of 100 (Routine)
Willcox	United States	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Bertrand	United States	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Bruning	United States	Record daily precipitation	57.9 mm (2.3 in)	20 of 100 (Routine)
Geneva	United States	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Oakdale	United States	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Addison	United States	Record low maximum temperature	-1.1 C (30.0 F)	20 of 100 (Routine)
Bierbank	Australia	Record daily precipitation	7.1 mm (0.28 in)	19 of 100 (Routine)
Miranda (Blackwood St)	Australia	Record daily precipitation	87.1 mm (3.4 in)	19 of 100 (Routine)
Latehar	India	Record daily precipitation	5.8 mm (0.23 in)	19 of 100 (Routine)
Manati 2 E	Puerto Rico [United States]	Record low minimum temperature	16.1 C (61.0 F)	19 of 100 (Routine)
Saint Johns	United States	Record daily precipitation	14.2 mm (0.6 in)	19 of 100 (Routine)
San Simon	United States	Record daily precipitation	1.8 mm (0.07 in)	19 of 100 (Routine)
San Simon 5 NW	United States	Record daily precipitation	1.8 mm (0.07 in)	19 of 100 (Routine)
Adelaide West Terrace	Australia	Record high minimum temperature	20.8 C (69.4 F)	18 of 100 (Routine)
Ilfracombe Post Office	Australia	Record daily precipitation	24.6 mm (1.0 in)	18 of 100 (Routine)
Warranooke (Glenorchy)	Australia	Record daily precipitation	28.2 mm (1.1 in)	18 of 100 (Routine)
Middleburg	South Africa	Record daily precipitation	15.2 mm (0.6 in)	18 of 100 (Routine)

Counts by Type and Timescale

243 records

Records set or tied on 4 April 1939 by type: Highest daily maximum 53, Lowest daily maximum 15, Highest daily minimum 43, Lowest daily minimum 6, Heaviest daily rainfall 117, Heaviest daily snowfall 8, Deepest snow cover 1.

Records on 4 April 1939 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	15
Highest daily minimum	43
Lowest daily minimum	6
Heaviest daily rainfall	117
Heaviest daily snowfall	8
Deepest snow cover	1

Records on 4 April 1939 by timescale: all-time 0, monthly 2, daily 241.

How Much Records Were Beaten By

198 broken records

Margins by which the 198 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 92.2. Ties are not counted.

Top 20 by Significance

4 April 1939

Top 20 records on 4 April 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 April 1939	Lexton, AU	monthly rain	52.3 mm (2.1 in)	21.6 mm (0.9 in)	20 years	54 of 100 (Notable)
4 April 1939	Manoa 712.1, US	daily rain	109.7 mm (4.3 in)	88.6 mm (3.5 in)	32 years	52 of 100 (Notable)
4 April 1939	Dillalah, AU	daily rain	31.8 mm (1.3 in)	31.8 mm (1.3 in)	51 years	51 of 100 (Notable)
4 April 1939	Kualapuu 534, US	daily rain	91.9 mm (3.6 in)	54.8 mm (2.2 in)	20 years	49 of 100 (Notable)
4 April 1939	Moanalua 770, US	daily rain	106.7 mm (4.2 in)	92.2 mm (3.6 in)	20 years	49 of 100 (Notable)
4 April 1939	Gumbardo, AU	daily rain	53.6 mm (2.1 in)	42.4 mm (1.7 in)	25 years	43 of 100 (Notable)
4 April 1939	Greenfield Ctr, US	daily rain	40.6 mm (1.6 in)	29.7 mm (1.2 in)	22 years	41 of 100 (Notable)
4 April 1939	Holbrook (Annandayle), AU	daily rain	45.7 mm (1.8 in)	20.8 mm (0.8 in)	40 years	39 of 100 (Notable)
4 April 1939	Haleakala Rch 432, US	daily rain	123.4 mm (4.9 in)	82.8 mm (3.3 in)	4 years	38 of 100 (Notable)
4 April 1939	Aiea Fld 764A, US	daily rain	55.9 mm (2.2 in)	36.3 mm (1.4 in)	20 years	35 of 100 (Notable)
4 April 1939	De Aar, ZA	daily rain	26.4 mm (1.0 in)	18.8 mm (0.7 in)	20 years	31 of 100 (Routine)
4 April 1939	Abbott 1 SE, US	daily rain	26.9 mm (1.1 in)	22.6 mm (0.9 in)	16 years	31 of 100 (Routine)
4 April 1939	1 WSW Princeton, US	daily rain	38.1 mm (1.5 in)	23.9 mm (0.9 in)	16 years	28 of 100 (Routine)
4 April 1939	Nyngan Airport, AU	daily rain	33.0 mm (1.3 in)	13.4 mm (0.5 in)	33 years	27 of 100 (Routine)
4 April 1939	Shawnee, US	daily rain	53.3 mm (2.1 in)	30.9 mm (1.2 in)	16 years	25 of 100 (Routine)
4 April 1939	Krugersdorp, ZA	daily rain	30.2 mm (1.2 in)	19.0 mm (0.7 in)	5 years	23 of 100 (Routine)
4 April 1939	Franklin, US	daily rain	33.0 mm (1.3 in)	7.1 mm (0.28 in)	40 years	23 of 100 (Routine)
4 April 1939	Bella Coola, CA	daily snowfall	6.4 cm (2.5 in)	5.1 cm (2.0 in)	28 years	22 of 100 (Routine)
4 April 1939	Hay Springs, US	daily high min	5.6 C (42.1 F)	3.4 C (6.1 F)	38 years	22 of 100 (Routine)
4 April 1939	Kimball 2NE, US	daily high min	9.4 C (48.9 F)	6.6 C (11.9 F)	12 years	22 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

1794 to 1939

Records set or tied on this calendar date in each year from 1794 to 1939. 1939 had 243 records.

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

Records on 04-04 in each year
Year	Records
1794	1
1808	1
1809	1
1815	2
1819	1
1853	1
1857	1
1873	1
1874	2
1877	2
1878	1
1879	3
1880	2
1881	3
1882	1
1883	1
1884	1
1885	1
1886	2
1887	1
1888	1
1891	1
1892	6
1893	2
1895	2
1896	3
1897	4
1898	7
1899	4
1900	7
1901	12
1902	2
1903	17
1904	6
1905	23
1906	7
1907	9
1908	20
1909	15
1910	48
1911	55
1912	25
1913	31
1914	13
1915	52
1916	65
1917	36
1918	37
1919	27
1920	89
1921	205
1922	39
1923	101
1924	51
1925	126
1926	206
1927	203
1928	625
1929	1,320
1930	86
1931	201
1932	193
1933	167
1934	656
1935	402
1936	714
1937	344
1938	201
1939	243
1940	392
1941	353
1942	537
1943	456
1944	975
1945	806
1946	459
1947	397
1948	202
1949	458
1950	1,044
1951	352
1952	348
1953	332
1954	742
1955	448
1956	426
1957	984
1958	492
1959	524
1960	756
1961	525
1962	308
1963	586
1964	675
1965	443
1966	469
1967	438
1968	640
1969	424
1970	438
1971	560
1972	695
1973	511
1974	1,356
1975	1,981
1976	353
1977	780
1978	497
1979	984
1980	690
1981	1,393
1982	1,251
1983	1,202
1984	762
1985	865
1986	810
1987	2,317
1988	1,119
1989	668
1990	826
1991	957
1992	1,270
1993	733
1994	726
1995	935
1996	699
1997	1,538
1998	931
1999	1,575
2000	1,371
2001	1,040
2002	989
2003	1,055
2004	782
2005	1,070
2006	911
2007	1,009
2008	860
2009	1,068
2010	758
2011	1,155
2012	830
2013	938
2014	705
2015	452
2016	795
2017	603
2018	1,196
2019	407
2020	914
2021	1,341
2022	1,014
2023	2,058
2024	966
2025	1,330
2026	894

Download the Data

Data for records on 1939-04-04: 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 20	179
20 to 40	11
40 to 60	4
60 to 80	1
80 to 100	3