Weather Records on 6 April 1939

611 weather records were set or tied worldwide on 6 April 1939. Highest significance: Warranooke (Glenorchy), AU.

Key Facts for 6 April 1939

On 6 April 1939, 611 weather records were set or tied at long-record stations worldwide.
85 were record highs and 225 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 22 monthly and 588 daily.
Warranooke (Glenorchy) set a daily record precipitation of 37.1 mm (1.5 in) on 6 April 1939.
Across 156 earlier years (1808 to 2026) the same calendar date averaged 486 records.

Record Map

611 stations

611 station records on 6 April 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 April 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Warranooke (Glenorchy)	Australia	Record daily precipitation	37.1 mm (1.5 in)	57 of 100 (Notable)
Quambatook South	Australia	Record daily precipitation	44.5 mm (1.8 in)	53 of 100 (Notable)
Kohala 179.1	United States	Record daily precipitation	92.7 mm (3.6 in)	51 of 100 (Notable)
Palmer	Australia	Record daily precipitation	29.2 mm (1.1 in)	49 of 100 (Notable)
Howlong Post Office	Australia	Record daily precipitation	77.2 mm (3.0 in)	49 of 100 (Notable)
Morrl Morrl (Valley View)	Australia	Record daily precipitation	78.7 mm (3.1 in)	49 of 100 (Notable)
Chiltern (Post Office)	Australia	Record daily precipitation	50.3 mm (2.0 in)	47 of 100 (Notable)
Gabo Island Lighthouse	Australia	Record daily precipitation	77.5 mm (3.1 in)	47 of 100 (Notable)
Wellington East	Australia	Record daily precipitation	25.9 mm (1.0 in)	46 of 100 (Notable)
Merino (Glenorchy Estate)	Australia	Record daily precipitation	62.7 mm (2.5 in)	46 of 100 (Notable)
Beechworth Composite	Australia	Record daily precipitation	42.9 mm (1.7 in)	45 of 100 (Notable)
Lexton	Australia	Record daily precipitation	70.4 mm (2.8 in)	42 of 100 (Notable)
Glennville 3NW	United States	Record daily precipitation	55.9 mm (2.2 in)	42 of 100 (Notable)
Millicent	Australia	Record daily precipitation	36.6 mm (1.4 in)	41 of 100 (Notable)
Indigo	Australia	Record daily precipitation	61.2 mm (2.4 in)	41 of 100 (Notable)
Hawi 168	United States	Record daily precipitation	83.6 mm (3.3 in)	41 of 100 (Notable)
Canoon	Australia	Record daily precipitation	63.5 mm (2.5 in)	40 of 100 (Notable)
Brae Springs	Australia	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
The Rock Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Jallukar	Australia	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Bellellen	Australia	Record daily precipitation	69.3 mm (2.7 in)	36 of 100 (Notable)
Mologa Fine View	Australia	Record daily precipitation	31.2 mm (1.2 in)	36 of 100 (Notable)
Tulia 6 NE	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Wilcannia (Culpaulin)	Australia	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Rivertree (Myall)	Australia	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Middle Creek (Leneva)	Australia	Record daily precipitation	43.7 mm (1.7 in)	33 of 100 (Routine)
Bendigo Channel	Australia	Record daily precipitation	32.5 mm (1.3 in)	33 of 100 (Routine)
Lugano	Switzerland	Record daily precipitation	53.8 mm (2.1 in)	33 of 100 (Routine)
Claude	United States	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Claude	United States	Record snow depth	10.2 cm (4.0 in)	33 of 100 (Routine)
Maunawili Rch	United States	Record low maximum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Niulii 179	United States	Record daily precipitation	84.3 mm (3.3 in)	33 of 100 (Routine)
Osbornes Flat	Australia	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
Wodonga Express	Australia	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
Wilsons Reservoir	Australia	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
Tyrendarra (Ellangowan)	Australia	Record daily precipitation	31.5 mm (1.2 in)	31 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	44.7 mm (1.8 in)	31 of 100 (Routine)
Yackandandah	Australia	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Rawsonville (Pol)	South Africa	Record daily precipitation	26.7 mm (1.1 in)	29 of 100 (Routine)
Ft Stanton	United States	Record low maximum temperature	-1.7 C (28.9 F)	29 of 100 (Routine)
Escanaba	United States	Record low maximum temperature	-3.3 C (26.1 F)	29 of 100 (Routine)
Puckapunyal	Australia	Record daily precipitation	27.4 mm (1.1 in)	28 of 100 (Routine)
Oneonta	United States	Record daily precipitation	44.5 mm (1.8 in)	28 of 100 (Routine)
Huehue 92.1	United States	Record daily precipitation	48.3 mm (1.9 in)	28 of 100 (Routine)
Glenloth Shingle Hut Hmsd	Australia	Record daily precipitation	45.7 mm (1.8 in)	27 of 100 (Routine)
Wahgunyah	Australia	Record daily precipitation	39.6 mm (1.6 in)	27 of 100 (Routine)
Thalipilly	India	Record daily precipitation	41.9 mm (1.6 in)	27 of 100 (Routine)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	42.0 mm (1.7 in)	27 of 100 (Routine)
San Diego Wbo	United States	Record high maximum temperature	31.7 C (89.1 F)	27 of 100 (Routine)
Canon City	United States	Record daily snowfall	16.5 cm (6.5 in)	27 of 100 (Routine)
Brookville	United States	Record low maximum temperature	-2.2 C (28.0 F)	27 of 100 (Routine)
Centennial 1NE	United States	Record low minimum temperature	-20.6 C (-5.1 F)	27 of 100 (Routine)
Ganmain (Dullah Dullah)	Australia	Record daily precipitation	33.3 mm (1.3 in)	26 of 100 (Routine)
Yarmouth	Canada	Record daily precipitation	28.4 mm (1.1 in)	26 of 100 (Routine)
Sandvig	Denmark	Record high minimum temperature	4.4 C (39.9 F)	26 of 100 (Routine)
Oroville 1 N	United States	Record high minimum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
Mt Vernon	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Macon 2 NE	United States	Record daily precipitation	54.6 mm (2.1 in)	26 of 100 (Routine)
Caruthersville	United States	Record daily precipitation	55.6 mm (2.2 in)	26 of 100 (Routine)
Artesia 6S	United States	Record low maximum temperature	8.3 C (46.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

611 records

Records set or tied on 6 April 1939 by type: Highest daily maximum 32, Lowest daily maximum 146, Highest daily minimum 53, Lowest daily minimum 79, Heaviest daily rainfall 277, Heaviest daily snowfall 22, Deepest snow cover 2.

Records on 6 April 1939 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	146
Highest daily minimum	53
Lowest daily minimum	79
Heaviest daily rainfall	277
Heaviest daily snowfall	22
Deepest snow cover	2

Records on 6 April 1939 by timescale: all-time 1, monthly 22, daily 588.

How Much Records Were Beaten By

525 broken records

Margins by which the 525 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 114.0. Ties are not counted.

Top 20 by Significance

6 April 1939

Top 20 records on 6 April 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 April 1939	Warranooke (Glenorchy), AU	daily rain	37.1 mm (1.5 in)	33.3 mm (1.3 in)	42 years	57 of 100 (Notable)
6 April 1939	Quambatook South, AU	daily rain	44.5 mm (1.8 in)	34.3 mm (1.4 in)	49 years	53 of 100 (Notable)
6 April 1939	Kohala 179.1, US	daily rain	92.7 mm (3.6 in)	68.1 mm (2.7 in)	29 years	51 of 100 (Notable)
6 April 1939	Palmer, AU	daily rain	29.2 mm (1.1 in)	26.9 mm (1.1 in)	21 years	49 of 100 (Notable)
6 April 1939	Howlong Post Office, AU	monthly rain	77.2 mm (3.0 in)	23.1 mm (0.9 in)	35 years	49 of 100 (Notable)
6 April 1939	Morrl Morrl (Valley View), AU	monthly rain	78.7 mm (3.1 in)	25.6 mm (1.0 in)	20 years	49 of 100 (Notable)
6 April 1939	Chiltern (Post Office), AU	daily rain	50.3 mm (2.0 in)	34.0 mm (1.3 in)	12 years	47 of 100 (Notable)
6 April 1939	Gabo Island Lighthouse, AU	daily rain	77.5 mm (3.1 in)	26.7 mm (1.1 in)	54 years	47 of 100 (Notable)
6 April 1939	Wellington East, AU	daily rain	25.9 mm (1.0 in)	18.3 mm (0.7 in)	21 years	46 of 100 (Notable)
6 April 1939	Merino (Glenorchy Estate), AU	monthly rain	62.7 mm (2.5 in)	19.8 mm (0.8 in)	5 years	46 of 100 (Notable)
6 April 1939	Beechworth Composite, AU	daily rain	42.9 mm (1.7 in)	25.9 mm (1.0 in)	56 years	45 of 100 (Notable)
6 April 1939	Lexton, AU	monthly rain	70.4 mm (2.8 in)	18.1 mm (0.7 in)	0 years	42 of 100 (Notable)
6 April 1939	Glennville 3NW, US	daily rain	55.9 mm (2.2 in)	45.2 mm (1.8 in)	5 years	42 of 100 (Notable)
6 April 1939	Millicent, AU	daily rain	36.6 mm (1.4 in)	17.5 mm (0.7 in)	42 years	41 of 100 (Notable)
6 April 1939	Indigo, AU	monthly rain	61.2 mm (2.4 in)	20.6 mm (0.8 in)	6 years	41 of 100 (Notable)
6 April 1939	Hawi 168, US	daily rain	83.6 mm (3.3 in)	56.4 mm (2.2 in)	8 years	41 of 100 (Notable)
6 April 1939	Canoon, AU	monthly rain	63.5 mm (2.5 in)	12.2 mm (0.5 in)	42 years	40 of 100 (Notable)
6 April 1939	Brae Springs, AU	daily rain	40.6 mm (1.6 in)	25.4 mm (1.0 in)	21 years	38 of 100 (Notable)
6 April 1939	The Rock Post Office, AU	daily rain	34.3 mm (1.4 in)	23.1 mm (0.9 in)	12 years	38 of 100 (Notable)
6 April 1939	Jallukar, AU	monthly rain	58.4 mm (2.3 in)	14.2 mm (0.6 in)	20 years	38 of 100 (Notable)

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

1808 to 1939

Records set or tied on this calendar date in each year from 1808 to 1939. 1939 had 611 records.

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

Records on 04-06 in each year
Year	Records
1808	1
1809	2
1815	1
1839	2
1841	1
1848	1
1851	1
1853	1
1857	1
1859	2
1862	1
1863	1
1864	2
1866	1
1874	1
1881	5
1883	1
1884	1
1886	6
1887	2
1888	4
1889	1
1892	4
1893	1
1894	4
1895	3
1896	3
1897	2
1898	5
1899	3
1900	3
1901	5
1902	6
1903	5
1904	16
1905	18
1906	8
1907	21
1908	11
1909	43
1910	59
1911	59
1912	49
1913	101
1914	32
1915	25
1916	43
1917	120
1918	68
1919	65
1920	57
1921	229
1922	96
1923	96
1924	91
1925	73
1926	442
1927	80
1928	398
1929	959
1930	265
1931	248
1932	257
1933	499
1934	211
1935	460
1936	911
1937	301
1938	637
1939	611
1940	257
1941	205
1942	413
1943	510
1944	369
1945	303
1946	312
1947	411
1948	417
1949	316
1950	664
1951	559
1952	492
1953	261
1954	789
1955	342
1956	360
1957	330
1958	507
1959	551
1960	718
1961	382
1962	456
1963	551
1964	558
1965	524
1966	390
1967	671
1968	507
1969	504
1970	525
1971	691
1972	772
1973	449
1974	580
1975	1,188
1976	356
1977	838
1978	654
1979	1,233
1980	520
1981	388
1982	3,186
1983	1,454
1984	578
1985	856
1986	654
1987	1,120
1988	1,273
1989	1,396
1990	856
1991	1,939
1992	952
1993	721
1994	1,124
1995	973
1996	1,054
1997	1,870
1998	860
1999	1,703
2000	714
2001	1,172
2002	778
2003	1,339
2004	669
2005	818
2006	1,131
2007	1,328
2008	803
2009	885
2010	1,352
2011	841
2012	675
2013	595
2014	518
2015	396
2016	920
2017	490
2018	1,069
2019	397
2020	608
2021	948
2022	854
2023	1,598
2024	1,706
2025	1,034
2026	600

Download the Data

Data for records on 1939-04-06: 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	482
20 to 40	33
40 to 60	4
60 to 80	2
80 to 100	0
100 to 120	4