Weather Records on 12 June 1939

297 weather records were set or tied worldwide on 12 June 1939. Highest significance: Derby Post Office, AU.

Key Facts for 12 June 1939

On 12 June 1939, 297 weather records were set or tied at long-record stations worldwide.
64 were record highs and 139 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 293 daily.
Derby Post Office set a daily record precipitation of 58.4 mm (2.3 in) on 12 June 1939.
Across 166 earlier years (1797 to 2026) the same calendar date averaged 419 records.

Record Map

297 stations

297 station records on 12 June 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 June 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Derby Post Office	Australia	Record daily precipitation	58.4 mm (2.3 in)	53 of 100 (Notable)
Liveringa Upper	Australia	Record daily precipitation	46.5 mm (1.8 in)	47 of 100 (Notable)
Leopold Downs	Australia	Record daily precipitation	50.5 mm (2.0 in)	45 of 100 (Notable)
Hanumangarh	India	Record daily precipitation	58.4 mm (2.3 in)	42 of 100 (Notable)
Gainesville	United States	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Cloud Chief 2 SE	United States	Record daily precipitation	55.1 mm (2.2 in)	33 of 100 (Routine)
Saint Johnsbury	United States	Record daily precipitation	49.0 mm (1.9 in)	33 of 100 (Routine)
Galway	Ireland	Record high minimum temperature	13.9 C (57.0 F)	31 of 100 (Routine)
Khetri	India	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Sherman	United States	Record daily precipitation	49.3 mm (1.9 in)	31 of 100 (Routine)
Arcadia	United States	Record low maximum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Las Vegas 2 NW	United States	Record high minimum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Central Michigan UNIV	United States	Record low maximum temperature	13.9 C (57.0 F)	27 of 100 (Routine)
Hastings	United States	Record low maximum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
Saginaw Mbs Intl AP	United States	Record low maximum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Colagaon	India	Record daily precipitation	120.4 mm (4.7 in)	25 of 100 (Routine)
Bloomingdale	United States	Record low maximum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Tulsa	United States	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
Weatherford	United States	Record daily precipitation	55.9 mm (2.2 in)	25 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
Effingham 3SW	United States	Record low maximum temperature	20.0 C (68.0 F)	24 of 100 (Routine)
Sloan 3 S	United States	Record high minimum temperature	26.1 C (79.0 F)	24 of 100 (Routine)
Kimberley Downs	Australia	Record daily precipitation	38.1 mm (1.5 in)	23 of 100 (Routine)
Plymouth Pwr Substn	United States	Record low maximum temperature	15.6 C (60.1 F)	23 of 100 (Routine)
Veedersburg	United States	Record low maximum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Owosso Wwtp	United States	Record low maximum temperature	15.6 C (60.1 F)	23 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	24.4 C (75.9 F)	23 of 100 (Routine)
Alma	United States	Record low maximum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Kalamazoo State Hospital	United States	Record low maximum temperature	14.4 C (57.9 F)	22 of 100 (Routine)
Saranac	United States	Record low maximum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Charlotte	United States	Record low maximum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Apache	United States	Record daily precipitation	43.4 mm (1.7 in)	21 of 100 (Routine)
Ardmore	United States	Record daily precipitation	48.3 mm (1.9 in)	21 of 100 (Routine)
Yeeda	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Passau-Maierhof	Germany	Record daily precipitation	20.5 mm (0.8 in)	20 of 100 (Routine)
Noonkanbah	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Gorlitz	Germany	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Tranquille	Canada	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Karasjok	Norway	Record daily precipitation	14.4 mm (0.6 in)	20 of 100 (Routine)
Weissenfels	Germany	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Greiz-Dolau	Germany	Record daily precipitation	15.8 mm (0.6 in)	20 of 100 (Routine)
Sarna	Sweden	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Halle	Germany	Record daily precipitation	15.6 mm (0.6 in)	20 of 100 (Routine)
Magdeburg	Germany	Record daily precipitation	12.9 mm (0.5 in)	20 of 100 (Routine)
Neemkathana	India	Record daily precipitation	38.1 mm (1.5 in)	20 of 100 (Routine)
Nesbyen	Norway	Record daily precipitation	16.6 mm (0.7 in)	20 of 100 (Routine)
Midland 2	United States	Record low maximum temperature	13.9 C (57.0 F)	20 of 100 (Routine)
Onaway 12 S	United States	Record low maximum temperature	14.4 C (57.9 F)	20 of 100 (Routine)
Pontiac Wwtp	United States	Record low maximum temperature	15.0 C (59.0 F)	20 of 100 (Routine)
Bloomfield	United States	Record daily precipitation	31.8 mm (1.3 in)	20 of 100 (Routine)
Sibsagar	India	Record daily precipitation	120.7 mm (4.8 in)	19 of 100 (Routine)
Calhoun 2 N	United States	Record high minimum temperature	23.3 C (73.9 F)	19 of 100 (Routine)
Bay City	United States	Record low maximum temperature	12.8 C (55.0 F)	19 of 100 (Routine)
Ft Reno	United States	Record daily precipitation	20.8 mm (0.8 in)	19 of 100 (Routine)
Atlin	Canada	Record daily precipitation	5.8 mm (0.23 in)	18 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	14.4 C (57.9 F)	18 of 100 (Routine)
Raj-Nilgiri	India	Record daily precipitation	45.7 mm (1.8 in)	18 of 100 (Routine)
Decatur Wtp	United States	Record low maximum temperature	18.3 C (64.9 F)	18 of 100 (Routine)
Eureka 1E	United States	Record low maximum temperature	21.7 C (71.1 F)	18 of 100 (Routine)
Coldwater St School	United States	Record low maximum temperature	15.6 C (60.1 F)	18 of 100 (Routine)

Counts by Type and Timescale

297 records

Records set or tied on 12 June 1939 by type: Highest daily maximum 23, Lowest daily maximum 115, Highest daily minimum 41, Lowest daily minimum 24, Heaviest daily rainfall 94.

Records on 12 June 1939 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	115
Highest daily minimum	41
Lowest daily minimum	24
Heaviest daily rainfall	94
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 June 1939 by timescale: all-time 0, monthly 4, daily 293.

How Much Records Were Beaten By

233 broken records

Margins by which the 233 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 49.5. Ties are not counted.

Top 20 by Significance

12 June 1939

Top 20 records on 12 June 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 June 1939	Derby Post Office, AU	daily rain	58.4 mm (2.3 in)	45.7 mm (1.8 in)	28 years	53 of 100 (Notable)
12 June 1939	Liveringa Upper, AU	daily rain	46.5 mm (1.8 in)	41.7 mm (1.6 in)	10 years	47 of 100 (Notable)
12 June 1939	Leopold Downs, AU	monthly rain	50.5 mm (2.0 in)	24.8 mm (1.0 in)	23 years	45 of 100 (Notable)
12 June 1939	Hanumangarh, IN	daily rain	58.4 mm (2.3 in)	49.5 mm (1.9 in)	32 years	42 of 100 (Notable)
12 June 1939	Gainesville, US	daily rain	33.0 mm (1.3 in)	26.4 mm (1.0 in)	41 years	34 of 100 (Routine)
12 June 1939	Cloud Chief 2 SE, US	daily rain	55.1 mm (2.2 in)	35.8 mm (1.4 in)	22 years	33 of 100 (Routine)
12 June 1939	Saint Johnsbury, US	daily rain	49.0 mm (1.9 in)	19.0 mm (0.7 in)	21 years	33 of 100 (Routine)
12 June 1939	Galway, IE	daily high min	13.9 C (57.0 F)	0.6 C (1.1 F)	73 years	31 of 100 (Routine)
12 June 1939	Khetri, IN	daily rain	48.3 mm (1.9 in)	32.3 mm (1.3 in)	25 years	31 of 100 (Routine)
12 June 1939	Sherman, US	daily rain	49.3 mm (1.9 in)	30.2 mm (1.2 in)	30 years	31 of 100 (Routine)
12 June 1939	Arcadia, US	daily low max	16.7 C (62.1 F)	6.1 C (11.0 F)	36 years	29 of 100 (Routine)
12 June 1939	Las Vegas 2 NW, US	daily high min	20.0 C (68.0 F)	6.1 C (11.0 F)	20 years	29 of 100 (Routine)
12 June 1939	Central Michigan UNIV, US	daily low max	13.9 C (57.0 F)	6.1 C (11.0 F)	36 years	27 of 100 (Routine)
12 June 1939	Hastings, US	daily low max	13.9 C (57.0 F)	6.1 C (11.0 F)	32 years	26 of 100 (Routine)
12 June 1939	Saginaw Mbs Intl AP, US	daily low max	12.2 C (54.0 F)	6.1 C (11.0 F)	36 years	26 of 100 (Routine)
12 June 1939	Colagaon, IN	daily rain	120.4 mm (4.7 in)	36.6 mm (1.4 in)	28 years	25 of 100 (Routine)
12 June 1939	Bloomingdale, US	daily low max	14.4 C (57.9 F)	6.2 C (11.2 F)	32 years	25 of 100 (Routine)
12 June 1939	Tulsa, US	daily rain	31.0 mm (1.2 in)	13.2 mm (0.5 in)	43 years	25 of 100 (Routine)
12 June 1939	Weatherford, US	daily rain	55.9 mm (2.2 in)	28.0 mm (1.1 in)	10 years	25 of 100 (Routine)
12 June 1939	Deniliquin (Wilkinson St), AU	daily low max	8.3 C (46.9 F)	1.4 C (2.5 F)	39 years	24 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

1797 to 1939

Records set or tied on this calendar date in each year from 1797 to 1939. 1939 had 297 records.

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

Records on 06-12 in each year
Year	Records
1797	1
1811	2
1838	1
1840	1
1843	1
1844	1
1845	1
1847	2
1854	1
1857	2
1859	1
1862	1
1863	1
1865	3
1866	3
1867	1
1871	1
1873	1
1874	3
1876	1
1877	4
1879	2
1880	5
1881	4
1882	2
1883	1
1884	2
1885	2
1887	2
1888	1
1889	1
1890	1
1892	1
1893	3
1894	6
1895	1
1896	1
1897	2
1898	8
1899	7
1900	3
1901	3
1902	8
1903	34
1904	8
1905	10
1906	24
1907	20
1908	9
1909	16
1910	37
1911	21
1912	23
1913	19
1914	36
1915	26
1916	80
1917	117
1918	44
1919	56
1920	93
1921	42
1922	56
1923	166
1924	153
1925	165
1926	201
1927	281
1928	180
1929	217
1930	127
1931	150
1932	352
1933	361
1934	159
1935	259
1936	440
1937	405
1938	349
1939	297
1940	389
1941	512
1942	729
1943	399
1944	423
1945	567
1946	321
1947	840
1948	215
1949	407
1950	530
1951	735
1952	1,035
1953	730
1954	337
1955	759
1956	786
1957	310
1958	454
1959	320
1960	200
1961	405
1962	328
1963	618
1964	405
1965	406
1966	530
1967	706
1968	404
1969	834
1970	701
1971	374
1972	903
1973	894
1974	575
1975	560
1976	617
1977	494
1978	438
1979	1,013
1980	718
1981	784
1982	734
1983	664
1984	653
1985	1,203
1986	778
1987	742
1988	785
1989	797
1990	664
1991	756
1992	849
1993	970
1994	654
1995	953
1996	925
1997	932
1998	1,683
1999	806
2000	1,169
2001	1,231
2002	965
2003	1,187
2004	759
2005	1,804
2006	1,216
2007	784
2008	1,219
2009	858
2010	1,423
2011	786
2012	751
2013	931
2014	421
2015	679
2016	809
2017	910
2018	635
2019	1,285
2020	712
2021	767
2022	1,204
2023	805
2024	805
2025	409
2026	979

Download the Data

Data for records on 1939-06-12: 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).

Histogram of margins by which records were beaten on 12 June 1939
Margin	Records
0 to 10	194
10 to 20	17
20 to 30	10
30 to 40	9
40 to 50	3