Weather Records on 30 May 2009

480 weather records were set or tied worldwide on 30 May 2009. Highest significance: Verhnij_Baskuncak, RU.

Key Facts for 30 May 2009

On 30 May 2009, 480 weather records were set or tied at long-record stations worldwide.
217 were record highs and 164 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 28 monthly and 447 daily.
Verhnij_Baskuncak set a daily record precipitation of 41.6 mm (1.6 in) on 30 May 2009.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 438 records.

Record Map

480 stations

480 station records on 30 May 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Verhnij_Baskuncak	Russia	Record daily precipitation	41.6 mm (1.6 in)	66 of 100 (Major)
El-Ton	Russia	Record daily precipitation	37.0 mm (1.5 in)	61 of 100 (Major)
Agata	Russia	Record daily precipitation	26.3 mm (1.0 in)	56 of 100 (Notable)
Barrow AP	United States	Record daily snowfall	9.1 cm (3.6 in)	56 of 100 (Notable)
Belfast	United States	Record low maximum temperature	9.4 C (48.9 F)	46 of 100 (Notable)
Bowman Dam	United States	Record high minimum temperature	17.2 C (63.0 F)	44 of 100 (Notable)
Spokane Intl AP	United States	Record high minimum temperature	17.2 C (63.0 F)	44 of 100 (Notable)
Chalchihuites (Smn)	Mexico	Record low minimum temperature	2.8 C (37.0 F)	43 of 100 (Notable)
Nassau Airport New	Bahamas, The	Record daily precipitation	144.3 mm (5.7 in)	41 of 100 (Notable)
Manuel Avila Camacho	Mexico	Record low minimum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Hohenwald	United States	Record low maximum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Newhaven	Australia	Record daily precipitation	36.0 mm (1.4 in)	40 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record high maximum temperature	26.1 C (79.0 F)	40 of 100 (Notable)
McColl 3 NNW	United States	Record low minimum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Cronulla South Bowling Club	Australia	Record daily precipitation	37.0 mm (1.5 in)	37 of 100 (Notable)
Solomons	United States	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Elizabeth City	United States	Record high minimum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Oodnadatta Airport	Australia	Record low maximum temperature	11.4 C (52.5 F)	36 of 100 (Notable)
Gallivare_A	Sweden	Record high minimum temperature	9.1 C (48.4 F)	35 of 100 (Notable)
Vaughan Springs	Australia	Record daily precipitation	58.0 mm (2.3 in)	34 of 100 (Routine)
Port Blair	India	Record daily precipitation	110.0 mm (4.3 in)	34 of 100 (Routine)
Roseburg Rgnl AP	United States	Record high minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Bikaner	India	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Eastbourne	United Kingdom	Record high maximum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Warrawagine	Australia	Record daily precipitation	25.6 mm (1.0 in)	31 of 100 (Routine)
Yambah	Australia	Record daily precipitation	32.0 mm (1.3 in)	31 of 100 (Routine)
Rodkallen_A	Sweden	Record high maximum temperature	18.8 C (65.8 F)	30 of 100 (Routine)
Kosrae	Federated States of Micronesia	Record high maximum temperature	34.4 C (93.9 F)	29 of 100 (Routine)
Santa Elena	Mexico	Record low maximum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Lijing	China	Record low maximum temperature	12.6 C (54.7 F)	28 of 100 (Routine)
Izucar de Matamoros (Smn)	Mexico	Record high minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
El Salto (Cfe)	Mexico	Record daily precipitation	38.9 mm (1.5 in)	28 of 100 (Routine)
Onaway 4N	United States	Record low minimum temperature	-1.7 C (28.9 F)	28 of 100 (Routine)
Chuxiong	China	Record low maximum temperature	15.1 C (59.2 F)	27 of 100 (Routine)
Simao	China	Record low maximum temperature	20.1 C (68.2 F)	27 of 100 (Routine)
Gruidora	Mexico	Record low minimum temperature	2.8 C (37.0 F)	27 of 100 (Routine)
Trujillo Alto 2 SSW	Puerto Rico [United States]	Record low minimum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Rosta	Sweden	Record high maximum temperature	27.1 C (80.8 F)	27 of 100 (Routine)
Ellensburg Bowers Fld	United States	Record high minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Alice Springs Airport	Australia	Record low maximum temperature	9.6 C (49.3 F)	26 of 100 (Routine)
Presa El Bosque (Cfe)	Mexico	Record low minimum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Trondheim - Voll	Norway	Record high maximum temperature	22.9 C (73.2 F)	26 of 100 (Routine)
Bjorkasen	Norway	Record daily precipitation	30.0 mm (1.2 in)	26 of 100 (Routine)
Pokrovskaja	Russia	Record high minimum temperature	8.7 C (47.7 F)	26 of 100 (Routine)
Valentia Observatory	Ireland	Record high minimum temperature	14.3 C (57.7 F)	25 of 100 (Routine)
Puerto de la Concepcion	Mexico	Record high maximum temperature	35.0 C (95.0 F)	25 of 100 (Routine)
Comondu	Mexico	Record high minimum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
Hopelchen	Mexico	Record high minimum temperature	25.6 C (78.1 F)	25 of 100 (Routine)
San Pedro	Mexico	Record low maximum temperature	25.6 C (78.1 F)	25 of 100 (Routine)
Lampazos (Smn)	Mexico	Record low minimum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Jaumave (Dge)	Mexico	Record low minimum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
Moskalvo	Russia	Record high maximum temperature	23.8 C (74.8 F)	25 of 100 (Routine)
Santiago de Compostela/Labacol	Spain	Record high maximum temperature	29.5 C (85.1 F)	25 of 100 (Routine)
Krangede_A	Sweden	Record high maximum temperature	27.3 C (81.1 F)	25 of 100 (Routine)
Roi Et	Thailand	Record low maximum temperature	28.8 C (83.8 F)	25 of 100 (Routine)
Elizabethtown	United States	Record daily precipitation	45.2 mm (1.8 in)	25 of 100 (Routine)
Pellston Rgnl AP	United States	Record low minimum temperature	-2.8 C (27.0 F)	25 of 100 (Routine)
Sabancuy	Mexico	Record low minimum temperature	18.9 C (66.0 F)	24 of 100 (Routine)
Las Margaritas	Mexico	Record high maximum temperature	36.7 C (98.1 F)	24 of 100 (Routine)
Salto de Agua (Dge)	Mexico	Record low minimum temperature	20.6 C (69.1 F)	24 of 100 (Routine)

Counts by Type and Timescale

480 records

Records set or tied on 30 May 2009 by type: Highest daily maximum 105, Lowest daily maximum 73, Highest daily minimum 112, Lowest daily minimum 91, Heaviest daily rainfall 98, Heaviest daily snowfall 1.

Records on 30 May 2009 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	73
Highest daily minimum	112
Lowest daily minimum	91
Heaviest daily rainfall	98
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 30 May 2009 by timescale: all-time 5, monthly 28, daily 447.

How Much Records Were Beaten By

339 broken records

Margins by which the 339 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 77.0. Ties are not counted.

Top 20 by Significance

30 May 2009

Top 20 records on 30 May 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 2009	Verhnij_Baskuncak, RU	daily rain	41.6 mm (1.6 in)	37.0 mm (1.5 in)	66 years	66 of 100 (Major)
30 May 2009	El-Ton, RU	daily rain	37.0 mm (1.5 in)	18.5 mm (0.7 in)	80 years	61 of 100 (Major)
30 May 2009	Agata, RU	monthly rain	26.3 mm (1.0 in)	5.5 mm (0.22 in)	64 years	56 of 100 (Notable)
30 May 2009	Barrow AP, US	daily snowfall	9.1 cm (3.6 in)	3.8 cm (1.5 in)	76 years	56 of 100 (Notable)
30 May 2009	Belfast, US	daily low max	9.4 C (48.9 F)	3.4 C (6.1 F)	108 years	46 of 100 (Notable)
30 May 2009	Bowman Dam, US	daily high min	17.2 C (63.0 F)	1.6 C (2.9 F)	106 years	44 of 100 (Notable)
30 May 2009	Spokane Intl AP, US	daily high min	17.2 C (63.0 F)	1.6 C (2.9 F)	111 years	44 of 100 (Notable)
30 May 2009	Chalchihuites (Smn), MX	daily low min	2.8 C (37.0 F)	7.2 C (13.0 F)	28 years	43 of 100 (Notable)
30 May 2009	Nassau Airport New, BS	daily rain	144.3 mm (5.7 in)	77.0 mm (3.0 in)	19 years	41 of 100 (Notable)
30 May 2009	Manuel Avila Camacho, MX	daily low min	6.7 C (44.1 F)	3.9 C (7.0 F)	79 years	41 of 100 (Notable)
30 May 2009	Hohenwald, US	daily low max	21.1 C (70.0 F)	0.6 C (1.1 F)	107 years	41 of 100 (Notable)
30 May 2009	Newhaven, AU	daily rain	36.0 mm (1.4 in)	30.8 mm (1.2 in)	31 years	40 of 100 (Notable)
30 May 2009	Oestersund-Froesoen, SE	daily high max	26.1 C (79.0 F)	0.1 C (0.2 F)	100 years	40 of 100 (Notable)
30 May 2009	McColl 3 NNW, US	daily low min	7.8 C (46.0 F)	2.8 C (5.0 F)	72 years	38 of 100 (Notable)
30 May 2009	Cronulla South Bowling Club, AU	daily rain	37.0 mm (1.5 in)	24.6 mm (1.0 in)	60 years	37 of 100 (Notable)
30 May 2009	Solomons, US	daily rain	33.5 mm (1.3 in)	0.7 mm (0.03 in)	92 years	37 of 100 (Notable)
30 May 2009	Elizabeth City, US	daily high min	25.6 C (78.1 F)	3.4 C (6.1 F)	70 years	37 of 100 (Notable)
30 May 2009	Oodnadatta Airport, AU	daily low max	11.4 C (52.5 F)	4.4 C (7.9 F)	60 years	36 of 100 (Notable)
30 May 2009	Gallivare_A, SE	daily high min	9.1 C (48.4 F)	2.1 C (3.8 F)	68 years	35 of 100 (Notable)
30 May 2009	Vaughan Springs, AU	monthly rain	58.0 mm (2.3 in)	9.0 mm (0.35 in)	30 years	34 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 2009

Records set or tied on this calendar date in each year from 1818 to 2009. 2009 had 480 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 2009-05-30: 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	317
10 to 20	12
20 to 30	4
30 to 40	5
40 to 50	0
50 to 60	0
60 to 70	0
70 to 80	1