Weather Records on 30 May 1971

1,044 weather records were set or tied worldwide on 30 May 1971. Highest significance: Glenthompson (Brie Brie), AU.

Key Facts for 30 May 1971

On 30 May 1971, 1,044 weather records were set or tied at long-record stations worldwide.
78 were record highs and 565 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 36 monthly and 1,008 daily.
Glenthompson (Brie Brie) set a daily record precipitation of 43.9 mm (1.7 in) on 30 May 1971.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 435 records.

Record Map

1,044 stations

1,044 station records on 30 May 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Glenthompson (Brie Brie)	Australia	Record daily precipitation	43.9 mm (1.7 in)	69 of 100 (Major)
Crosbyton	United States	Record daily precipitation	92.2 mm (3.6 in)	67 of 100 (Major)
Weeaproinah	Australia	Record daily precipitation	89.2 mm (3.5 in)	66 of 100 (Major)
Warrion	Australia	Record daily precipitation	28.2 mm (1.1 in)	65 of 100 (Major)
Dunkeld	Australia	Record daily precipitation	37.8 mm (1.5 in)	61 of 100 (Major)
Berrybank	Australia	Record daily precipitation	26.9 mm (1.1 in)	60 of 100 (Major)
Tyrendarra (Ellangowan)	Australia	Record daily precipitation	59.4 mm (2.3 in)	60 of 100 (Major)
Forrest State Forest	Australia	Record daily precipitation	62.0 mm (2.4 in)	60 of 100 (Major)
Branxholme (Bassett)	Australia	Record daily precipitation	27.9 mm (1.1 in)	59 of 100 (Notable)
Caveside	Australia	Record daily precipitation	71.1 mm (2.8 in)	59 of 100 (Notable)
Charlottesville 2W	United States	Record daily precipitation	111.0 mm (4.4 in)	59 of 100 (Notable)
North River Dam	United States	Record daily precipitation	133.4 mm (5.3 in)	59 of 100 (Notable)
Lismore (Post Office)	Australia	Record daily precipitation	34.3 mm (1.4 in)	58 of 100 (Notable)
Ellerslie Post Office	Australia	Record daily precipitation	38.1 mm (1.5 in)	57 of 100 (Notable)
Union 3 SSE	United States	Record daily precipitation	50.8 mm (2.0 in)	57 of 100 (Notable)
Portsea Quarantine Station	Australia	Record daily precipitation	31.8 mm (1.3 in)	56 of 100 (Notable)
Warrnambool (Post Office)	Australia	Record daily precipitation	53.1 mm (2.1 in)	55 of 100 (Notable)
Buchanan	United States	Record daily precipitation	60.2 mm (2.4 in)	55 of 100 (Notable)
Dixon	United States	Record daily precipitation	31.8 mm (1.3 in)	55 of 100 (Notable)
Willaura (Yarram Park)	Australia	Record daily precipitation	27.9 mm (1.1 in)	53 of 100 (Notable)
Boyds 2 NW	United States	Record daily precipitation	51.1 mm (2.0 in)	53 of 100 (Notable)
Nixon	United States	Record daily precipitation	28.4 mm (1.1 in)	53 of 100 (Notable)
Rock Springs	United States	Record daily precipitation	25.7 mm (1.0 in)	53 of 100 (Notable)
Shoreham	Australia	Record daily precipitation	36.1 mm (1.4 in)	52 of 100 (Notable)
Colac (Shire Office)	Australia	Record daily precipitation	26.7 mm (1.1 in)	52 of 100 (Notable)
Appomattox	United States	Record daily precipitation	64.5 mm (2.5 in)	52 of 100 (Notable)
Buena Vista	United States	Record daily precipitation	58.9 mm (2.3 in)	52 of 100 (Notable)
Peterborough	Australia	Record daily precipitation	40.6 mm (1.6 in)	51 of 100 (Notable)
Woolsthorpe	Australia	Record daily precipitation	30.2 mm (1.2 in)	51 of 100 (Notable)
Railton (Cement Australia)	Australia	Record daily precipitation	76.2 mm (3.0 in)	51 of 100 (Notable)
Baltimore Customs House	United States	Record daily precipitation	40.1 mm (1.6 in)	51 of 100 (Notable)
White Sulphur Springs	United States	Record daily precipitation	58.7 mm (2.3 in)	50 of 100 (Notable)
Lilydale Post Office	Australia	Record daily precipitation	57.9 mm (2.3 in)	49 of 100 (Notable)
Pedlar Dam	United States	Record daily precipitation	71.1 mm (2.8 in)	49 of 100 (Notable)
Goshen	United States	Record daily precipitation	70.6 mm (2.8 in)	47 of 100 (Notable)
Johanna Glen	Australia	Record daily precipitation	39.9 mm (1.6 in)	46 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	59.7 mm (2.4 in)	46 of 100 (Notable)
Rocky Mt	United States	Record low maximum temperature	11.7 C (53.1 F)	46 of 100 (Notable)
Staunton Wtp	United States	Record daily precipitation	98.0 mm (3.9 in)	46 of 100 (Notable)
Franklin 2 NE	United States	Record daily precipitation	47.2 mm (1.9 in)	46 of 100 (Notable)
Mount Richmond	Australia	Record daily precipitation	42.2 mm (1.7 in)	45 of 100 (Notable)
Port Campbell Post Office	Australia	Record daily precipitation	35.3 mm (1.4 in)	45 of 100 (Notable)
Myrtle Bank (Lanoma)	Australia	Record daily precipitation	111.8 mm (4.4 in)	45 of 100 (Notable)
Gove 4W	United States	Record daily precipitation	75.7 mm (3.0 in)	45 of 100 (Notable)
New Castle	United States	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Camperdown (Ettrick)	Australia	Record daily precipitation	38.6 mm (1.5 in)	44 of 100 (Notable)
Meander	Australia	Record daily precipitation	58.9 mm (2.3 in)	44 of 100 (Notable)
Elkhart	United States	Record daily precipitation	76.5 mm (3.0 in)	44 of 100 (Notable)
Red Hill South	Australia	Record daily precipitation	47.5 mm (1.9 in)	43 of 100 (Notable)
Latrobe (Coal Road)	Australia	Record daily precipitation	57.2 mm (2.3 in)	43 of 100 (Notable)
Kingstree	United States	Record low maximum temperature	16.7 C (62.1 F)	43 of 100 (Notable)
Buckingham	United States	Record daily precipitation	74.9 mm (2.9 in)	43 of 100 (Notable)
Bremo Bluff	United States	Record daily precipitation	80.3 mm (3.2 in)	42 of 100 (Notable)
Matanuska Exp Farm	United States	Record low minimum temperature	-7.2 C (19.0 F)	42 of 100 (Notable)
Branxholme	Australia	Record daily precipitation	32.3 mm (1.3 in)	41 of 100 (Notable)
Yatchaw (Amaroo)	Australia	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Owings Ferry Landing	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Charlottesville 2W	United States	Record low maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Montebello 3 NE	United States	Record daily precipitation	54.9 mm (2.2 in)	41 of 100 (Notable)
Arbovale 2	United States	Record daily precipitation	49.5 mm (1.9 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,044 records

Records set or tied on 30 May 1971 by type: Highest daily maximum 43, Lowest daily maximum 309, Highest daily minimum 35, Lowest daily minimum 256, Heaviest daily rainfall 385, Heaviest daily snowfall 9, Deepest snow cover 7.

Records on 30 May 1971 by type
Record type	Records
Highest daily maximum	43
Lowest daily maximum	309
Highest daily minimum	35
Lowest daily minimum	256
Heaviest daily rainfall	385
Heaviest daily snowfall	9
Deepest snow cover	7

Records on 30 May 1971 by timescale: all-time 0, monthly 36, daily 1,008.

How Much Records Were Beaten By

890 broken records

Margins by which the 890 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

30 May 1971

Top 20 records on 30 May 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 1971	Glenthompson (Brie Brie), AU	daily rain	43.9 mm (1.7 in)	31.2 mm (1.2 in)	66 years	69 of 100 (Major)
30 May 1971	Crosbyton, US	daily rain	92.2 mm (3.6 in)	71.9 mm (2.8 in)	69 years	67 of 100 (Major)
30 May 1971	Weeaproinah, AU	daily rain	89.2 mm (3.5 in)	56.9 mm (2.2 in)	65 years	66 of 100 (Major)
30 May 1971	Warrion, AU	daily rain	28.2 mm (1.1 in)	19.6 mm (0.8 in)	65 years	65 of 100 (Major)
30 May 1971	Dunkeld, AU	daily rain	37.8 mm (1.5 in)	22.1 mm (0.9 in)	48 years	61 of 100 (Major)
30 May 1971	Berrybank, AU	daily rain	26.9 mm (1.1 in)	11.4 mm (0.4 in)	88 years	60 of 100 (Major)
30 May 1971	Tyrendarra (Ellangowan), AU	daily rain	59.4 mm (2.3 in)	28.9 mm (1.1 in)	48 years	60 of 100 (Major)
30 May 1971	Forrest State Forest, AU	daily rain	62.0 mm (2.4 in)	46.8 mm (1.8 in)	45 years	60 of 100 (Major)
30 May 1971	Branxholme (Bassett), AU	daily rain	27.9 mm (1.1 in)	16.7 mm (0.7 in)	66 years	59 of 100 (Notable)
30 May 1971	Caveside, AU	daily rain	71.1 mm (2.8 in)	41.9 mm (1.6 in)	48 years	59 of 100 (Notable)
30 May 1971	Charlottesville 2W, US	daily rain	111.0 mm (4.4 in)	69.9 mm (2.8 in)	40 years	59 of 100 (Notable)
30 May 1971	North River Dam, US	monthly rain	133.4 mm (5.3 in)	44.5 mm (1.8 in)	29 years	59 of 100 (Notable)
30 May 1971	Lismore (Post Office), AU	daily rain	34.3 mm (1.4 in)	21.1 mm (0.8 in)	44 years	58 of 100 (Notable)
30 May 1971	Ellerslie Post Office, AU	daily rain	38.1 mm (1.5 in)	24.1 mm (0.9 in)	37 years	57 of 100 (Notable)
30 May 1971	Union 3 SSE, US	daily rain	50.8 mm (2.0 in)	32.8 mm (1.3 in)	44 years	57 of 100 (Notable)
30 May 1971	Portsea Quarantine Station, AU	daily rain	31.8 mm (1.3 in)	17.3 mm (0.7 in)	65 years	56 of 100 (Notable)
30 May 1971	Warrnambool (Post Office), AU	monthly rain	53.1 mm (2.1 in)	14.0 mm (0.6 in)	44 years	55 of 100 (Notable)
30 May 1971	Buchanan, US	daily rain	60.2 mm (2.4 in)	35.3 mm (1.4 in)	56 years	55 of 100 (Notable)
30 May 1971	Dixon, US	daily rain	31.8 mm (1.3 in)	24.2 mm (1.0 in)	33 years	55 of 100 (Notable)
30 May 1971	Willaura (Yarram Park), AU	daily rain	27.9 mm (1.1 in)	14.2 mm (0.6 in)	66 years	53 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

1818 to 1971

Records set or tied on this calendar date in each year from 1818 to 1971. 1971 had 1,044 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 1971-05-30: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 25	839
25 to 50	37
50 to 75	9
75 to 100	3
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	1