Weather Records on 30 July 2010

1,331 weather records were set or tied worldwide on 30 July 2010. Highest significance: Wessington Springs, US.

Key Facts for 30 July 2010

On 30 July 2010, 1,331 weather records were set or tied at long-record stations worldwide.
761 were record highs and 235 were record lows, counting maximum and minimum temperature.
By timescale, 48 were all-time records, 47 monthly and 1,236 daily.
Wessington Springs set an all-time record daily precipitation of 186.9 mm (7.4 in) on 30 July 2010.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 435 records.

Record Map

1,331 stations

1,331 station records on 30 July 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wessington Springs	United States	Record daily precipitation	186.9 mm (7.4 in)	100 of 100 (Exceptional)
Centerville 6 SE	United States	Record daily precipitation	75.7 mm (3.0 in)	68 of 100 (Major)
White Cliffs Post Office	Australia	Record daily precipitation	49.1 mm (1.9 in)	64 of 100 (Major)
White Cliffs (Wonnaminta)	Australia	Record daily precipitation	70.0 mm (2.8 in)	62 of 100 (Major)
Kazan	Russia	Record high minimum temperature	24.6 C (76.3 F)	60 of 100 (Major)
Mundubbera	Australia	Record daily precipitation	27.2 mm (1.1 in)	59 of 100 (Notable)
Jormlien	Sweden	Record daily precipitation	36.1 mm (1.4 in)	59 of 100 (Notable)
Tyndall	United States	Record daily precipitation	63.0 mm (2.5 in)	56 of 100 (Notable)
Tunnsjo	Norway	Record daily precipitation	50.0 mm (2.0 in)	55 of 100 (Notable)
Canowindra (Canowindra Street)	Australia	Record daily precipitation	35.2 mm (1.4 in)	54 of 100 (Notable)
Mishima	Japan	Record daily precipitation	147.6 mm (5.8 in)	54 of 100 (Notable)
Yankton 2 E	United States	Record daily precipitation	73.7 mm (2.9 in)	54 of 100 (Notable)
Sorli	Norway	Record daily precipitation	45.5 mm (1.8 in)	53 of 100 (Notable)
Rowena (Bungara)	Australia	Record daily precipitation	25.0 mm (1.0 in)	52 of 100 (Notable)
Valentia Observatory	Ireland	Record daily precipitation	67.1 mm (2.6 in)	52 of 100 (Notable)
Mandurama (Gallymont (Homeleig	Australia	Record daily precipitation	31.0 mm (1.2 in)	51 of 100 (Notable)
Rowena Post Office	Australia	Record daily precipitation	50.0 mm (2.0 in)	50 of 100 (Notable)
Orabah (Manilla (Warrabah))	Australia	Record daily precipitation	40.0 mm (1.6 in)	50 of 100 (Notable)
Knin	Croatia	Record daily precipitation	45.8 mm (1.8 in)	50 of 100 (Notable)
Wessington 2SE	United States	Record daily precipitation	43.2 mm (1.7 in)	50 of 100 (Notable)
Ramgundam	India	Record daily precipitation	103.9 mm (4.1 in)	48 of 100 (Notable)
Alexandria	United States	Record daily precipitation	63.8 mm (2.5 in)	48 of 100 (Notable)
Eidsvold Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	47 of 100 (Notable)
Mount Wilson (Clarine)	Australia	Record daily precipitation	40.0 mm (1.6 in)	47 of 100 (Notable)
Niznij Novgorod	Russia	Record high minimum temperature	24.7 C (76.5 F)	47 of 100 (Notable)
Stalon_11	Sweden	Record daily precipitation	50.5 mm (2.0 in)	47 of 100 (Notable)
Thomasville 7 NE	United States	Record high minimum temperature	26.1 C (79.0 F)	47 of 100 (Notable)
Sarapul	Russia	Record high maximum temperature	37.0 C (98.6 F)	46 of 100 (Notable)
Ust-Karenga	Russia	Record daily precipitation	57.0 mm (2.2 in)	46 of 100 (Notable)
Cheraw	United States	Record low minimum temperature	12.2 C (54.0 F)	46 of 100 (Notable)
Arhangelsk	Russia	Record high minimum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Hanford 1 S	United States	Record low minimum temperature	10.0 C (50.0 F)	45 of 100 (Notable)
Everglades	United States	Record high minimum temperature	29.4 C (84.9 F)	45 of 100 (Notable)
Hawarden	United States	Record daily precipitation	66.0 mm (2.6 in)	45 of 100 (Notable)
Iowa Falls	United States	Record daily precipitation	68.8 mm (2.7 in)	45 of 100 (Notable)
Markovo	Russia	Record high minimum temperature	15.1 C (59.2 F)	44 of 100 (Notable)
Sargents	United States	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Watford City	United States	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Peak Hill (Waratah)	Australia	Record daily precipitation	29.4 mm (1.2 in)	43 of 100 (Notable)
Bendemeer (Glenclair)	Australia	Record daily precipitation	39.0 mm (1.5 in)	43 of 100 (Notable)
Walli (Kentucky)	Australia	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Kotlas	Russia	Record high maximum temperature	34.5 C (94.1 F)	43 of 100 (Notable)
Kirov	Russia	Record high minimum temperature	20.3 C (68.5 F)	43 of 100 (Notable)
Kalakan	Russia	Record daily precipitation	80.0 mm (3.1 in)	43 of 100 (Notable)
Hemavan	Sweden	Record daily precipitation	31.6 mm (1.2 in)	43 of 100 (Notable)
Opaeula 870	United States	Record low minimum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Sioux Falls	United States	Record daily precipitation	56.6 mm (2.2 in)	43 of 100 (Notable)
Alectown (Vanvilla)	Australia	Record daily precipitation	27.0 mm (1.1 in)	42 of 100 (Notable)
El Carrizal	Mexico	Record low minimum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Kojnas	Russia	Record high maximum temperature	35.2 C (95.4 F)	42 of 100 (Notable)
Syktyvkar	Russia	Record high maximum temperature	33.6 C (92.5 F)	42 of 100 (Notable)
Poretskoye	Russia	Record high maximum temperature	40.0 C (104.0 F)	42 of 100 (Notable)
Kirs	Russia	Record high maximum temperature	36.5 C (97.7 F)	42 of 100 (Notable)
Hogland	Sweden	Record daily precipitation	34.8 mm (1.4 in)	42 of 100 (Notable)
St Petersburg	United States	Record high minimum temperature	27.8 C (82.0 F)	42 of 100 (Notable)
Valdosta 2 S	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Waynesboro 2 S	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Primghar	United States	Record daily precipitation	104.6 mm (4.1 in)	42 of 100 (Notable)
Sheldon	United States	Record daily precipitation	53.6 mm (2.1 in)	42 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record daily precipitation	58.4 mm (2.3 in)	42 of 100 (Notable)

Counts by Type and Timescale

1,331 records

Records set or tied on 30 July 2010 by type: Highest daily maximum 290, Lowest daily maximum 121, Highest daily minimum 471, Lowest daily minimum 114, Heaviest daily rainfall 334, Deepest snow cover 1.

Records on 30 July 2010 by type
Record type	Records
Highest daily maximum	290
Lowest daily maximum	121
Highest daily minimum	471
Lowest daily minimum	114
Heaviest daily rainfall	334
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 30 July 2010 by timescale: all-time 48, monthly 47, daily 1,236.

How Much Records Were Beaten By

1,052 broken records

Margins by which the 1,052 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

30 July 2010

Top 20 records on 30 July 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2010	Wessington Springs, US	all-time rain	186.9 mm (7.4 in)	50.5 mm (2.0 in)	114 years	100 of 100 (Exceptional)
30 July 2010	Centerville 6 SE, US	daily rain	75.7 mm (3.0 in)	41.4 mm (1.6 in)	96 years	68 of 100 (Major)
30 July 2010	White Cliffs Post Office, AU	monthly rain	49.1 mm (1.9 in)	11.0 mm (0.4 in)	87 years	64 of 100 (Major)
30 July 2010	White Cliffs (Wonnaminta), AU	monthly rain	70.0 mm (2.8 in)	19.2 mm (0.8 in)	65 years	62 of 100 (Major)
30 July 2010	Kazan, RU	all-time high min	24.6 C (76.3 F)	0.2 C (0.4 F)	120 years	60 of 100 (Major)
30 July 2010	Mundubbera, AU	daily rain	27.2 mm (1.1 in)	24.4 mm (1.0 in)	93 years	59 of 100 (Notable)
30 July 2010	Jormlien, SE	daily rain	36.1 mm (1.4 in)	19.3 mm (0.8 in)	61 years	59 of 100 (Notable)
30 July 2010	Tyndall, US	daily rain	63.0 mm (2.5 in)	24.6 mm (1.0 in)	96 years	56 of 100 (Notable)
30 July 2010	Tunnsjo, NO	daily rain	50.0 mm (2.0 in)	30.4 mm (1.2 in)	16 years	55 of 100 (Notable)
30 July 2010	Canowindra (Canowindra Street), AU	daily rain	35.2 mm (1.4 in)	13.1 mm (0.5 in)	76 years	54 of 100 (Notable)
30 July 2010	Mishima, JP	daily rain	147.6 mm (5.8 in)	106.6 mm (4.2 in)	28 years	54 of 100 (Notable)
30 July 2010	Yankton 2 E, US	daily rain	73.7 mm (2.9 in)	43.7 mm (1.7 in)	47 years	54 of 100 (Notable)
30 July 2010	Sorli, NO	daily rain	45.5 mm (1.8 in)	29.8 mm (1.2 in)	24 years	53 of 100 (Notable)
30 July 2010	Rowena (Bungara), AU	daily rain	25.0 mm (1.0 in)	17.9 mm (0.7 in)	87 years	52 of 100 (Notable)
30 July 2010	Valentia Observatory, IE	monthly rain	67.1 mm (2.6 in)	13.6 mm (0.5 in)	53 years	52 of 100 (Notable)
30 July 2010	Mandurama (Gallymont (Homeleig, AU	daily rain	31.0 mm (1.2 in)	12.7 mm (0.5 in)	87 years	51 of 100 (Notable)
30 July 2010	Rowena Post Office, AU	daily rain	50.0 mm (2.0 in)	44.6 mm (1.8 in)	20 years	50 of 100 (Notable)
30 July 2010	Orabah (Manilla (Warrabah)), AU	daily rain	40.0 mm (1.6 in)	33.9 mm (1.3 in)	39 years	50 of 100 (Notable)
30 July 2010	Knin, HR	daily rain	45.8 mm (1.8 in)	32.5 mm (1.3 in)	37 years	50 of 100 (Notable)
30 July 2010	Wessington 2SE, US	daily rain	43.2 mm (1.7 in)	28.0 mm (1.1 in)	53 years	50 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

1794 to 2010

Records set or tied on this calendar date in each year from 1794 to 2010. 2010 had 1,331 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,048
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 2010-07-30: 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 20	991
20 to 40	47
40 to 60	9
60 to 80	3
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1