Weather Records on 30 May 2010

771 weather records were set or tied worldwide on 30 May 2010. Highest significance: Pembina, US.

Key Facts for 30 May 2010

On 30 May 2010, 771 weather records were set or tied at long-record stations worldwide.
316 were record highs and 193 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 24 monthly and 743 daily.
Pembina set an all-time record daily precipitation of 173.5 mm (6.8 in) on 30 May 2010.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 437 records.

Record Map

771 stations

771 station records on 30 May 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pembina	United States	Record daily precipitation	173.5 mm (6.8 in)	72 of 100 (Major)
Newport	United States	Record daily precipitation	83.1 mm (3.3 in)	69 of 100 (Major)
Bemboka Post Office	Australia	Record daily precipitation	69.2 mm (2.7 in)	66 of 100 (Major)
Cathcart (Mount Darragh)	Australia	Record daily precipitation	86.4 mm (3.4 in)	64 of 100 (Major)
Hallock	United States	Record daily precipitation	97.8 mm (3.9 in)	64 of 100 (Major)
Cobargo Post Office	Australia	Record daily precipitation	79.4 mm (3.1 in)	63 of 100 (Major)
Valdosta 2 S	United States	Record daily precipitation	58.4 mm (2.3 in)	63 of 100 (Major)
Delegate (Weewalla)	Australia	Record daily precipitation	28.0 mm (1.1 in)	61 of 100 (Major)
Cathcart (Old Post Office)	Australia	Record daily precipitation	68.0 mm (2.7 in)	61 of 100 (Major)
O'Neill	United States	Record daily precipitation	63.5 mm (2.5 in)	60 of 100 (Major)
Clayton 1 SSW	United States	Record daily precipitation	79.0 mm (3.1 in)	56 of 100 (Notable)
Oombulgurri	Australia	Record daily precipitation	36.2 mm (1.4 in)	55 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	143.7 mm (5.7 in)	55 of 100 (Notable)
Bombala (Therry Street)	Australia	Record daily precipitation	37.0 mm (1.5 in)	54 of 100 (Notable)
Boltenhagen	Germany	Record daily precipitation	29.8 mm (1.2 in)	54 of 100 (Notable)
Nimmitabel (Cottesloe)	Australia	Record daily precipitation	85.8 mm (3.4 in)	52 of 100 (Notable)
Bombala (Cambalong)	Australia	Record daily precipitation	25.2 mm (1.0 in)	51 of 100 (Notable)
Eden (Timbillica)	Australia	Record daily precipitation	83.6 mm (3.3 in)	50 of 100 (Notable)
Auburn	Australia	Record daily precipitation	39.8 mm (1.6 in)	49 of 100 (Notable)
Jindabyne (Lynwood)	Australia	Record daily precipitation	36.4 mm (1.4 in)	49 of 100 (Notable)
Genoa (Fools Haven)	Australia	Record daily precipitation	70.8 mm (2.8 in)	49 of 100 (Notable)
Ashley	United States	Record daily precipitation	47.0 mm (1.9 in)	49 of 100 (Notable)
Yap Island WSO AP	Federated States of Micronesia	Record high maximum temperature	35.0 C (95.0 F)	48 of 100 (Notable)
Bodalla Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	47 of 100 (Notable)
Bukalong Station	Australia	Record daily precipitation	40.0 mm (1.6 in)	47 of 100 (Notable)
Narooma Rvcp	Australia	Record daily precipitation	41.4 mm (1.6 in)	46 of 100 (Notable)
Arkona	Germany	Record daily precipitation	28.8 mm (1.1 in)	46 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low minimum temperature	16.7 C (62.1 F)	46 of 100 (Notable)
Numeralla (Badja Composite)	Australia	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
Weabonga (Monomeeth)	Australia	Record daily precipitation	25.2 mm (1.0 in)	44 of 100 (Notable)
Ingebyra (Grosses Plains)	Australia	Record daily precipitation	44.6 mm (1.8 in)	44 of 100 (Notable)
Oberviechtach	Germany	Record daily precipitation	28.0 mm (1.1 in)	43 of 100 (Notable)
Fraccionamiento Callejones	Mexico	Record low minimum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
Caransebes	Romania	Record daily precipitation	51.6 mm (2.0 in)	41 of 100 (Notable)
Tortosa - Observatorio del Ebr	Spain	Record high minimum temperature	21.2 C (70.2 F)	41 of 100 (Notable)
Ipswich	United States	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Blaine	United States	Record low maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Emmaville (Strathbogie)	Australia	Record daily precipitation	27.8 mm (1.1 in)	40 of 100 (Notable)
Casterton (Roseneath)	Australia	Record daily precipitation	26.6 mm (1.0 in)	40 of 100 (Notable)
Grossenkneten	Germany	Record daily precipitation	45.1 mm (1.8 in)	40 of 100 (Notable)
Highmore	United States	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)
Hay (Miller Street)	Australia	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Frontera Amatenango	Mexico	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
San Gregorio	Mexico	Record low minimum temperature	-1.1 C (30.0 F)	38 of 100 (Notable)
Anchorage Merrill Fld	United States	Record high maximum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Bermagui South (Young Street)	Australia	Record daily precipitation	56.0 mm (2.2 in)	37 of 100 (Notable)
Tuross	Australia	Record daily precipitation	55.0 mm (2.2 in)	37 of 100 (Notable)
Mobile Dwtn AP	United States	Record daily precipitation	55.1 mm (2.2 in)	37 of 100 (Notable)
Eden (Caravan Park)	Australia	Record daily precipitation	46.8 mm (1.8 in)	36 of 100 (Notable)
Kameruka (Kameruka Estate)	Australia	Record daily precipitation	51.0 mm (2.0 in)	36 of 100 (Notable)
Villa Obregon	Mexico	Record low maximum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Rayones	Mexico	Record daily precipitation	41.9 mm (1.6 in)	35 of 100 (Notable)
Cluj Napoca	Romania	Record daily precipitation	41.2 mm (1.6 in)	35 of 100 (Notable)
Craigie (Finchley)	Australia	Record daily precipitation	27.8 mm (1.1 in)	34 of 100 (Routine)
Markovo	Russia	Record high maximum temperature	20.7 C (69.3 F)	34 of 100 (Routine)
W Memphis	United States	Record daily precipitation	62.2 mm (2.4 in)	34 of 100 (Routine)
Greer	United States	Record daily precipitation	42.7 mm (1.7 in)	34 of 100 (Routine)
Murray Town (Doughboy Creek)	Australia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Camden Airport AWS	Australia	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Leck	Germany	Record daily precipitation	35.8 mm (1.4 in)	33 of 100 (Routine)

Counts by Type and Timescale

771 records

Records set or tied on 30 May 2010 by type: Highest daily maximum 188, Lowest daily maximum 59, Highest daily minimum 128, Lowest daily minimum 134, Heaviest daily rainfall 262.

Records on 30 May 2010 by type
Record type	Records
Highest daily maximum	188
Lowest daily maximum	59
Highest daily minimum	128
Lowest daily minimum	134
Heaviest daily rainfall	262
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 May 2010 by timescale: all-time 4, monthly 24, daily 743.

How Much Records Were Beaten By

561 broken records

Margins by which the 561 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.0. Ties are not counted.

Top 20 by Significance

30 May 2010

Top 20 records on 30 May 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 2010	Pembina, US	all-time rain	173.5 mm (6.8 in)	59.2 mm (2.3 in)	7 years	72 of 100 (Major)
30 May 2010	Newport, US	daily rain	83.1 mm (3.3 in)	50.8 mm (2.0 in)	64 years	69 of 100 (Major)
30 May 2010	Bemboka Post Office, AU	daily rain	69.2 mm (2.7 in)	56.0 mm (2.2 in)	110 years	66 of 100 (Major)
30 May 2010	Cathcart (Mount Darragh), AU	daily rain	86.4 mm (3.4 in)	65.3 mm (2.6 in)	84 years	64 of 100 (Major)
30 May 2010	Hallock, US	monthly rain	97.8 mm (3.9 in)	42.9 mm (1.7 in)	14 years	64 of 100 (Major)
30 May 2010	Cobargo Post Office, AU	daily rain	79.4 mm (3.1 in)	49.9 mm (2.0 in)	110 years	63 of 100 (Major)
30 May 2010	Valdosta 2 S, US	daily rain	58.4 mm (2.3 in)	40.6 mm (1.6 in)	95 years	63 of 100 (Major)
30 May 2010	Delegate (Weewalla), AU	daily rain	28.0 mm (1.1 in)	14.3 mm (0.6 in)	116 years	61 of 100 (Major)
30 May 2010	Cathcart (Old Post Office), AU	daily rain	68.0 mm (2.7 in)	43.4 mm (1.7 in)	79 years	61 of 100 (Major)
30 May 2010	O'Neill, US	daily rain	63.5 mm (2.5 in)	35.1 mm (1.4 in)	64 years	60 of 100 (Major)
30 May 2010	Clayton 1 SSW, US	daily rain	79.0 mm (3.1 in)	41.4 mm (1.6 in)	72 years	56 of 100 (Notable)
30 May 2010	Oombulgurri, AU	daily rain	36.2 mm (1.4 in)	33.7 mm (1.3 in)	45 years	55 of 100 (Notable)
30 May 2010	Col du Grand St-Bernard, CH	monthly rain	143.7 mm (5.7 in)	41.4 mm (1.6 in)	4 years	55 of 100 (Notable)
30 May 2010	Bombala (Therry Street), AU	daily rain	37.0 mm (1.5 in)	19.2 mm (0.8 in)	83 years	54 of 100 (Notable)
30 May 2010	Boltenhagen, DE	daily rain	29.8 mm (1.2 in)	16.2 mm (0.6 in)	56 years	54 of 100 (Notable)
30 May 2010	Nimmitabel (Cottesloe), AU	daily rain	85.8 mm (3.4 in)	70.0 mm (2.8 in)	29 years	52 of 100 (Notable)
30 May 2010	Bombala (Cambalong), AU	daily rain	25.2 mm (1.0 in)	13.8 mm (0.5 in)	84 years	51 of 100 (Notable)
30 May 2010	Eden (Timbillica), AU	daily rain	83.6 mm (3.3 in)	47.2 mm (1.9 in)	29 years	50 of 100 (Notable)
30 May 2010	Auburn, AU	daily rain	39.8 mm (1.6 in)	13.4 mm (0.5 in)	73 years	49 of 100 (Notable)
30 May 2010	Jindabyne (Lynwood), AU	daily rain	36.4 mm (1.4 in)	20.9 mm (0.8 in)	64 years	49 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 2010

Records set or tied on this calendar date in each year from 1818 to 2010. 2010 had 771 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 2010-05-30: 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 10	483
10 to 20	39
20 to 30	14
30 to 40	11
40 to 50	9
50 to 60	3
60 to 70	2