Weather Records on 30 May 2012

720 weather records were set or tied worldwide on 30 May 2012. Highest significance: Surry Mtn Lake, US.

Key Facts for 30 May 2012

On 30 May 2012, 720 weather records were set or tied at long-record stations worldwide.
389 were record highs and 201 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 49 monthly and 670 daily.
Surry Mtn Lake set an all-time record daily precipitation of 175.5 mm (6.9 in) on 30 May 2012.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 437 records.

Record Map

720 stations

720 station records on 30 May 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Surry Mtn Lake	United States	Record daily precipitation	175.5 mm (6.9 in)	77 of 100 (Major)
Cornwall	United States	Record daily precipitation	81.8 mm (3.2 in)	69 of 100 (Major)
Brewerton Lock 23	United States	Record daily precipitation	48.5 mm (1.9 in)	63 of 100 (Major)
Carlisle Wtp	United States	Record daily precipitation	59.2 mm (2.3 in)	60 of 100 (Major)
Orangeburg 2	United States	Record daily precipitation	85.9 mm (3.4 in)	58 of 100 (Notable)
Williamsburg	United States	Record daily precipitation	61.7 mm (2.4 in)	56 of 100 (Notable)
Springfield	United States	Record daily precipitation	88.9 mm (3.5 in)	55 of 100 (Notable)
Sabinsville 3 SE	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Bamberg	United States	Record daily precipitation	128.3 mm (5.1 in)	52 of 100 (Notable)
Albany	Australia	Record high maximum temperature	24.4 C (75.9 F)	48 of 100 (Notable)
Florence Rgnl AP	United States	Record daily precipitation	50.5 mm (2.0 in)	48 of 100 (Notable)
Summerville 4W	United States	Record daily precipitation	81.3 mm (3.2 in)	47 of 100 (Notable)
Mito	Japan	Record daily precipitation	116.1 mm (4.6 in)	46 of 100 (Notable)
Errol	United States	Record daily precipitation	66.0 mm (2.6 in)	46 of 100 (Notable)
Northville	United States	Record daily precipitation	47.5 mm (1.9 in)	45 of 100 (Notable)
Webster	United States	Record low maximum temperature	11.1 C (52.0 F)	45 of 100 (Notable)
Hanover	United States	Record daily precipitation	31.5 mm (1.2 in)	44 of 100 (Notable)
Dinghai	China	Record daily precipitation	75.6 mm (3.0 in)	43 of 100 (Notable)
Itasca UNIV of Minn	United States	Record low maximum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
De Smet	United States	Record low maximum temperature	11.1 C (52.0 F)	43 of 100 (Notable)
Madison	United States	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Celo 2 S	United States	Record daily precipitation	64.3 mm (2.5 in)	42 of 100 (Notable)
Dover 1 W	United States	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Perpignan	France	Record high maximum temperature	32.1 C (89.8 F)	41 of 100 (Notable)
Arkadelphia 2 N	United States	Record high maximum temperature	37.2 C (99.0 F)	41 of 100 (Notable)
Norfolk 2 SW	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Red Lake Falls	United States	Record low maximum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Waynesboro 2 W	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Sandy Hook	United States	Record high maximum temperature	32.2 C (90.0 F)	41 of 100 (Notable)
Watertown	United States	Record high maximum temperature	30.6 C (87.1 F)	41 of 100 (Notable)
Orlando Executive AP	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Watertown Rgnl AP	United States	Record low maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Hangzhou	China	Record daily precipitation	79.3 mm (3.1 in)	40 of 100 (Notable)
Chiang Rai	Thailand	Record daily precipitation	132.1 mm (5.2 in)	40 of 100 (Notable)
Crookston NW Exp STN	United States	Record low maximum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
New London Lock #22	United States	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)
Langdon Exp Farm	United States	Record low maximum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Mellette 4 W	United States	Record low maximum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Elizabeth City Cgas	United States	Record daily precipitation	43.4 mm (1.7 in)	40 of 100 (Notable)
Aberdeen	United States	Record low maximum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Allendale 2 NW	United States	Record daily precipitation	104.1 mm (4.1 in)	39 of 100 (Notable)
Walpole 3	United States	Record daily precipitation	88.4 mm (3.5 in)	38 of 100 (Notable)
Marion	United States	Record daily precipitation	81.3 mm (3.2 in)	38 of 100 (Notable)
Gettysburg	United States	Record low maximum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Labuan	Malaysia	Record low minimum temperature	20.4 C (68.7 F)	37 of 100 (Notable)
Warroad	United States	Record low maximum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Poplarville Exp STN	United States	Record high minimum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
Steele 4N	United States	Record low maximum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Ekimchan	Russia	Record high maximum temperature	28.9 C (84.0 F)	36 of 100 (Notable)
Visby_Flygplats	Sweden	Record low minimum temperature	-2.1 C (28.2 F)	35 of 100 (Notable)
Benton 5 SW	United States	Record daily precipitation	60.7 mm (2.4 in)	35 of 100 (Notable)
Tarko-Sale	Russia	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Aztec Ruins Nm	United States	Record low minimum temperature	-3.3 C (26.1 F)	34 of 100 (Routine)
Meadows of Dan 5 SW	United States	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Givhans Ferry 2 ESE	United States	Record daily precipitation	78.5 mm (3.1 in)	33 of 100 (Routine)
Edenton	United States	Record daily precipitation	57.4 mm (2.3 in)	32 of 100 (Routine)
Southport 5 N	United States	Record daily precipitation	52.3 mm (2.1 in)	32 of 100 (Routine)
Peru	United States	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Cacapon St Pk #2	United States	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
Niceville	United States	Record high maximum temperature	35.0 C (95.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

720 records

Records set or tied on 30 May 2012 by type: Highest daily maximum 216, Lowest daily maximum 99, Highest daily minimum 173, Lowest daily minimum 102, Heaviest daily rainfall 129, Deepest snow cover 1.

Records on 30 May 2012 by type
Record type	Records
Highest daily maximum	216
Lowest daily maximum	99
Highest daily minimum	173
Lowest daily minimum	102
Heaviest daily rainfall	129
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 30 May 2012 by timescale: all-time 1, monthly 49, daily 670.

How Much Records Were Beaten By

489 broken records

Margins by which the 489 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 559.0. Ties are not counted.

Top 20 by Significance

30 May 2012

Top 20 records on 30 May 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 2012	Surry Mtn Lake, US	all-time rain	175.5 mm (6.9 in)	83.6 mm (3.3 in)	38 years	77 of 100 (Major)
30 May 2012	Cornwall, US	monthly rain	81.8 mm (3.2 in)	20.8 mm (0.8 in)	84 years	69 of 100 (Major)
30 May 2012	Brewerton Lock 23, US	daily rain	48.5 mm (1.9 in)	30.2 mm (1.2 in)	61 years	63 of 100 (Major)
30 May 2012	Carlisle Wtp, US	daily rain	59.2 mm (2.3 in)	34.8 mm (1.4 in)	139 years	60 of 100 (Major)
30 May 2012	Orangeburg 2, US	daily rain	85.9 mm (3.4 in)	55.7 mm (2.2 in)	33 years	58 of 100 (Notable)
30 May 2012	Williamsburg, US	daily rain	61.7 mm (2.4 in)	54.6 mm (2.1 in)	38 years	56 of 100 (Notable)
30 May 2012	Springfield, US	daily rain	88.9 mm (3.5 in)	64.0 mm (2.5 in)	33 years	55 of 100 (Notable)
30 May 2012	Sabinsville 3 SE, US	daily rain	50.8 mm (2.0 in)	35.6 mm (1.4 in)	29 years	52 of 100 (Notable)
30 May 2012	Bamberg, US	daily rain	128.3 mm (5.1 in)	91.2 mm (3.6 in)	20 years	52 of 100 (Notable)
30 May 2012	Albany, AU	daily high max	24.4 C (75.9 F)	2.7 C (4.9 F)	97 years	48 of 100 (Notable)
30 May 2012	Florence Rgnl AP, US	daily rain	50.5 mm (2.0 in)	26.6 mm (1.0 in)	64 years	48 of 100 (Notable)
30 May 2012	Summerville 4W, US	daily rain	81.3 mm (3.2 in)	34.6 mm (1.4 in)	48 years	47 of 100 (Notable)
30 May 2012	Mito, JP	daily rain	116.1 mm (4.6 in)	62.5 mm (2.5 in)	1 year	46 of 100 (Notable)
30 May 2012	Errol, US	daily rain	66.0 mm (2.6 in)	25.4 mm (1.0 in)	28 years	46 of 100 (Notable)
30 May 2012	Northville, US	daily rain	47.5 mm (1.9 in)	20.6 mm (0.8 in)	44 years	45 of 100 (Notable)
30 May 2012	Webster, US	daily low max	11.1 C (52.0 F)	3.3 C (5.9 F)	114 years	45 of 100 (Notable)
30 May 2012	Hanover, US	daily rain	31.5 mm (1.2 in)	3.6 mm (0.14 in)	100 years	44 of 100 (Notable)
30 May 2012	Dinghai, CN	daily rain	75.6 mm (3.0 in)	40.4 mm (1.6 in)	22 years	43 of 100 (Notable)
30 May 2012	Itasca UNIV of Minn, US	daily low max	10.0 C (50.0 F)	3.9 C (7.0 F)	91 years	43 of 100 (Notable)
30 May 2012	De Smet, US	daily low max	11.1 C (52.0 F)	2.2 C (4.0 F)	113 years	43 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 2012

Records set or tied on this calendar date in each year from 1818 to 2012. 2012 had 720 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	526

Download the Data

Data for records on 2012-05-30: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 100	488
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	1