Weather Records on 30 May 1939

336 weather records were set or tied worldwide on 30 May 1939. Highest significance: Cobar (Double Gates), AU.

Key Facts for 30 May 1939

On 30 May 1939, 336 weather records were set or tied at long-record stations worldwide.
219 were record highs and 33 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 24 monthly and 312 daily.
Cobar (Double Gates) set a monthly record daily precipitation of 82.6 mm (3.3 in) on 30 May 1939.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 439 records.

Record Map

336 stations

336 station records on 30 May 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cobar (Double Gates)	Australia	Record daily precipitation	82.6 mm (3.3 in)	67 of 100 (Major)
Te Kowai Exp STN	Australia	Record daily precipitation	80.0 mm (3.1 in)	53 of 100 (Notable)
Barramunga	Australia	Record daily precipitation	76.2 mm (3.0 in)	53 of 100 (Notable)
Tilcha	Australia	Record daily precipitation	27.4 mm (1.1 in)	51 of 100 (Notable)
Bulgoo	Australia	Record daily precipitation	65.0 mm (2.6 in)	49 of 100 (Notable)
Milparinka (Yandama Downs)	Australia	Record daily precipitation	26.2 mm (1.0 in)	43 of 100 (Notable)
Tibooburra (Onepah)	Australia	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
Henley Woolshed	Australia	Record daily precipitation	31.5 mm (1.2 in)	37 of 100 (Notable)
Szeged	Hungary	Record daily precipitation	39.5 mm (1.6 in)	34 of 100 (Routine)
Mirani Post Office	Australia	Record daily precipitation	57.2 mm (2.3 in)	33 of 100 (Routine)
Walkerston	Australia	Record daily precipitation	73.9 mm (2.9 in)	33 of 100 (Routine)
Laurel	United States	Record daily precipitation	48.3 mm (1.9 in)	32 of 100 (Routine)
Nord-Rana	Norway	Record daily precipitation	29.1 mm (1.1 in)	30 of 100 (Routine)
Krakmo	Norway	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Demopolis Lock 4	United States	Record daily precipitation	37.3 mm (1.5 in)	30 of 100 (Routine)
Hattiesburg 5SW	United States	Record daily precipitation	56.9 mm (2.2 in)	28 of 100 (Routine)
The Meadows Tank	Australia	Record daily precipitation	43.2 mm (1.7 in)	27 of 100 (Routine)
Sivakasi	India	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Paso Robles	United States	Record high minimum temperature	14.4 C (57.9 F)	27 of 100 (Routine)
Woodruff	United States	Record high minimum temperature	9.4 C (48.9 F)	26 of 100 (Routine)
Roto (Coombie)	Australia	Record daily precipitation	39.9 mm (1.6 in)	25 of 100 (Routine)
Kapskarmo	Norway	Record daily precipitation	30.8 mm (1.2 in)	25 of 100 (Routine)
Washington	United States	Record high minimum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Grassmere 1	Australia	Record daily precipitation	26.9 mm (1.1 in)	23 of 100 (Routine)
Chicoutimi	Canada	Record daily precipitation	26.2 mm (1.0 in)	23 of 100 (Routine)
Beiarn	Norway	Record daily precipitation	34.3 mm (1.4 in)	23 of 100 (Routine)
American Falls 6 NE	United States	Record high minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Ada	United States	Record high maximum temperature	41.7 C (107.1 F)	23 of 100 (Routine)
Eton Police Station	Australia	Record daily precipitation	39.6 mm (1.6 in)	22 of 100 (Routine)
Rochdale	Australia	Record daily precipitation	29.0 mm (1.1 in)	21 of 100 (Routine)
Balpool (Nyang)	Australia	Record daily precipitation	34.0 mm (1.3 in)	21 of 100 (Routine)
Sarajevo	Bosnia and Herzegovina	Record daily precipitation	37.4 mm (1.5 in)	21 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record low maximum temperature	13.0 C (55.4 F)	21 of 100 (Routine)
Cedaredge	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
St Georges	Canada	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Ankenes	Norway	Record daily precipitation	19.2 mm (0.8 in)	20 of 100 (Routine)
Urjupinsk	Russia	Record daily precipitation	21.4 mm (0.8 in)	20 of 100 (Routine)
Menindee (Weinteriga)	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
White Cliffs (Purnanga)	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Mercadool	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Summervale (Gundaur)	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record daily precipitation	18.6 mm (0.7 in)	20 of 100 (Routine)
Box Creek Tank	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Wanganella General Store	Australia	Record daily precipitation	7.1 mm (0.28 in)	20 of 100 (Routine)
Collerina (Corrella)	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Fernihurst	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Ivanhoe (Mt Manara)	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Innamincka Station	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	-9.4 C (15.1 F)	20 of 100 (Routine)
Kakabeka Falls	Canada	Record high maximum temperature	35.6 C (96.1 F)	20 of 100 (Routine)
Marion 1 N	United States	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Represa	United States	Record high minimum temperature	24.4 C (75.9 F)	20 of 100 (Routine)
Kooskia	United States	Record daily precipitation	27.7 mm (1.1 in)	20 of 100 (Routine)
Butte	United States	Record high minimum temperature	22.2 C (72.0 F)	20 of 100 (Routine)
Bloomfield 3 SE	United States	Record high minimum temperature	15.6 C (60.1 F)	20 of 100 (Routine)
Fredericksburg Np	United States	Record high maximum temperature	33.9 C (93.0 F)	20 of 100 (Routine)
Ashland Exp Farm	United States	Record high minimum temperature	20.6 C (69.1 F)	20 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	20.0 C (68.0 F)	20 of 100 (Routine)
William Creek	Australia	Record daily precipitation	7.4 mm (0.29 in)	19 of 100 (Routine)
Flat Top Island	Australia	Record daily precipitation	24.4 mm (1.0 in)	19 of 100 (Routine)

Counts by Type and Timescale

336 records

Records set or tied on 30 May 1939 by type: Highest daily maximum 96, Lowest daily maximum 13, Highest daily minimum 123, Lowest daily minimum 20, Heaviest daily rainfall 84.

Records on 30 May 1939 by type
Record type	Records
Highest daily maximum	96
Lowest daily maximum	13
Highest daily minimum	123
Lowest daily minimum	20
Heaviest daily rainfall	84
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 May 1939 by timescale: all-time 0, monthly 24, daily 312.

How Much Records Were Beaten By

248 broken records

Margins by which the 248 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.9. Ties are not counted.

Top 20 by Significance

30 May 1939

Top 20 records on 30 May 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 1939	Cobar (Double Gates), AU	monthly rain	82.6 mm (3.3 in)	41.7 mm (1.6 in)	44 years	67 of 100 (Major)
30 May 1939	Te Kowai Exp STN, AU	daily rain	80.0 mm (3.1 in)	70.9 mm (2.8 in)	29 years	53 of 100 (Notable)
30 May 1939	Barramunga, AU	daily rain	76.2 mm (3.0 in)	36.8 mm (1.4 in)	33 years	53 of 100 (Notable)
30 May 1939	Tilcha, AU	daily rain	27.4 mm (1.1 in)	26.9 mm (1.1 in)	47 years	51 of 100 (Notable)
30 May 1939	Bulgoo, AU	monthly rain	65.0 mm (2.6 in)	18.0 mm (0.7 in)	50 years	49 of 100 (Notable)
30 May 1939	Milparinka (Yandama Downs), AU	daily rain	26.2 mm (1.0 in)	26.2 mm (1.0 in)	51 years	43 of 100 (Notable)
30 May 1939	Tibooburra (Onepah), AU	daily rain	34.5 mm (1.4 in)	29.2 mm (1.1 in)	17 years	42 of 100 (Notable)
30 May 1939	Henley Woolshed, AU	daily rain	31.5 mm (1.2 in)	22.6 mm (0.9 in)	2 years	37 of 100 (Notable)
30 May 1939	Szeged, HU	daily rain	39.5 mm (1.6 in)	14.4 mm (0.6 in)	36 years	34 of 100 (Routine)
30 May 1939	Mirani Post Office, AU	daily rain	57.2 mm (2.3 in)	39.4 mm (1.6 in)	34 years	33 of 100 (Routine)
30 May 1939	Walkerston, AU	daily rain	73.9 mm (2.9 in)	52.3 mm (2.1 in)	8 years	33 of 100 (Routine)
30 May 1939	Laurel, US	daily rain	48.3 mm (1.9 in)	36.6 mm (1.4 in)	29 years	32 of 100 (Routine)
30 May 1939	Nord-Rana, NO	daily rain	29.1 mm (1.1 in)	13.6 mm (0.5 in)	14 years	30 of 100 (Routine)
30 May 1939	Krakmo, NO	daily rain	44.5 mm (1.8 in)	14.4 mm (0.6 in)	20 years	30 of 100 (Routine)
30 May 1939	Demopolis Lock 4, US	daily rain	37.3 mm (1.5 in)	29.7 mm (1.2 in)	30 years	30 of 100 (Routine)
30 May 1939	Hattiesburg 5SW, US	daily rain	56.9 mm (2.2 in)	26.4 mm (1.0 in)	32 years	28 of 100 (Routine)
30 May 1939	The Meadows Tank, AU	monthly rain	43.2 mm (1.7 in)	4.1 mm (0.16 in)	33 years	27 of 100 (Routine)
30 May 1939	Sivakasi, IN	daily rain	50.8 mm (2.0 in)	27.4 mm (1.1 in)	9 years	27 of 100 (Routine)
30 May 1939	Paso Robles, US	daily high min	14.4 C (57.9 F)	3.3 C (5.9 F)	41 years	27 of 100 (Routine)
30 May 1939	Woodruff, US	daily high min	9.4 C (48.9 F)	3.8 C (6.8 F)	41 years	26 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

1818 to 1939

Records set or tied on this calendar date in each year from 1818 to 1939. 1939 had 336 records.

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

Records on 05-30 in each year
Year	Records
1818	3
1844	1
1847	1
1848	1
1852	1
1853	1
1855	1
1856	1
1858	1
1860	2
1863	1
1864	1
1865	4
1867	1
1868	4
1870	1
1871	2
1873	4
1878	1
1879	1
1880	2
1881	1
1882	2
1883	1
1884	2
1885	1
1886	1
1887	1
1889	3
1890	1
1891	1
1892	2
1893	7
1894	2
1895	5
1896	1
1897	1
1898	2
1899	4
1900	1
1901	4
1902	9
1903	12
1904	7
1905	20
1906	8
1907	20
1908	32
1909	6
1910	22
1911	22
1912	26
1913	89
1914	25
1915	32
1916	41
1917	42
1918	31
1919	90
1920	28
1921	392
1922	72
1923	121
1924	187
1925	190
1926	201
1927	177
1928	86
1929	368
1930	530
1931	316
1932	256
1933	250
1934	731
1935	88
1936	579
1937	440
1938	309
1939	336
1940	289
1941	518
1942	500
1943	444
1944	325
1945	383
1946	310
1947	880
1948	386
1949	318
1950	376
1951	448
1952	295
1953	622
1954	271
1955	377
1956	466
1957	267
1958	480
1959	419
1960	274
1961	657
1962	454
1963	245
1964	709
1965	454
1966	326
1967	859
1968	357
1969	1,092
1970	483
1971	1,044
1972	721
1973	391
1974	631
1975	776
1976	499
1977	444
1978	888
1979	1,185
1980	650
1981	1,001
1982	981
1983	1,310
1984	2,543
1985	772
1986	1,264
1987	1,021
1988	1,371
1989	1,021
1990	983
1991	1,264
1992	1,413
1993	690
1994	834
1995	777
1996	893
1997	936
1998	1,190
1999	1,113
2000	1,391
2001	854
2002	940
2003	1,110
2004	1,219
2005	737
2006	1,179
2007	1,128
2008	829
2009	480
2010	771
2011	1,914
2012	720
2013	821
2014	551
2015	699
2016	540
2017	657
2018	1,319
2019	706
2020	920
2021	841
2022	1,034
2023	344
2024	600
2025	828
2026	525

Download the Data

Data for records on 1939-05-30: 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 10	220
10 to 20	15
20 to 30	7
30 to 40	3
40 to 50	1
50 to 60	1
60 to 70	0
70 to 80	1