Weather Records on 30 July 2012

731 weather records were set or tied worldwide on 30 July 2012. Highest significance: Delta, MX.

Key Facts for 30 July 2012

On 30 July 2012, 731 weather records were set or tied at long-record stations worldwide.
448 were record highs and 179 were record lows, counting maximum and minimum temperature.
By timescale, 13 were all-time records, 23 monthly and 695 daily.
Delta set a monthly record daily precipitation of 50.8 mm (2.0 in) on 30 July 2012.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 438 records.

Record Map

731 stations

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

Weather records on 30 July 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Delta	Mexico	Record daily precipitation	50.8 mm (2.0 in)	64 of 100 (Major)
Cassville 1 NE	United States	Record high minimum temperature	27.2 C (81.0 F)	59 of 100 (Notable)
Yinchuan	China	Record daily precipitation	113.3 mm (4.5 in)	53 of 100 (Notable)
E Lawai 934	United States	Record daily precipitation	41.9 mm (1.6 in)	48 of 100 (Notable)
Cape Leeuwin	Australia	Record high maximum temperature	20.8 C (69.4 F)	44 of 100 (Notable)
Lockwood	United States	Record high minimum temperature	26.7 C (80.1 F)	44 of 100 (Notable)
Pudasjarvi Jaurakkajarvi	Finland	Record daily precipitation	32.3 mm (1.3 in)	43 of 100 (Notable)
Culbertson	United States	Record daily precipitation	43.4 mm (1.7 in)	43 of 100 (Notable)
Old Forge	United States	Record high maximum temperature	32.8 C (91.0 F)	43 of 100 (Notable)
Raton Muni Crews Fld AP	United States	Record high minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Velikie Luki	Russia	Record high minimum temperature	20.3 C (68.5 F)	41 of 100 (Notable)
Hays 1 S	United States	Record high maximum temperature	43.3 C (109.9 F)	41 of 100 (Notable)
Grapevine Dam	United States	Record high maximum temperature	41.1 C (106.0 F)	41 of 100 (Notable)
Box Creek	United States	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Dumas	United States	Record high minimum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Sedan	United States	Record high minimum temperature	28.9 C (84.0 F)	40 of 100 (Notable)
Kent City 2 SW	United States	Record daily precipitation	43.7 mm (1.7 in)	40 of 100 (Notable)
Billings 1SW	United States	Record high minimum temperature	26.1 C (79.0 F)	40 of 100 (Notable)
Buffalo Bill Dam	United States	Record high maximum temperature	35.6 C (96.1 F)	40 of 100 (Notable)
Koloa Mauka 994	United States	Record daily precipitation	37.1 mm (1.5 in)	40 of 100 (Notable)
Laxbacken	Sweden	Record daily precipitation	36.0 mm (1.4 in)	39 of 100 (Notable)
Gila Bend 2SE	United States	Record low maximum temperature	35.6 C (96.1 F)	39 of 100 (Notable)
San Jon	United States	Record high minimum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Hilo Intl AP 87	United States	Record low maximum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Tartu-Toravere	Estonia	Record high minimum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Finca Ocotlan	Mexico	Record low maximum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Cheyenne Wells 2NE	United States	Record high maximum temperature	40.6 C (105.1 F)	37 of 100 (Notable)
Tribune 1W	United States	Record high maximum temperature	41.1 C (106.0 F)	37 of 100 (Notable)
Winfield 3NE	United States	Record high minimum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
Tulsa Intl AP	United States	Record high minimum temperature	31.1 C (88.0 F)	37 of 100 (Notable)
Shijiazhuang	China	Record daily precipitation	70.6 mm (2.8 in)	36 of 100 (Notable)
Sandovales	Mexico	Record low minimum temperature	5.0 C (41.0 F)	36 of 100 (Notable)
Stavanger - Valand	Norway	Record daily precipitation	50.9 mm (2.0 in)	35 of 100 (Notable)
Imperial	United States	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record high maximum temperature	38.3 C (100.9 F)	35 of 100 (Notable)
Clinton	United States	Record high maximum temperature	42.8 C (109.0 F)	35 of 100 (Notable)
Atoka	United States	Record high maximum temperature	42.2 C (108.0 F)	35 of 100 (Notable)
Gurabo Substn	Puerto Rico [United States]	Record high maximum temperature	36.1 C (97.0 F)	34 of 100 (Routine)
Cimarron 4 SW	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Kuusiku	Estonia	Record high minimum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Arellano	Mexico	Record high maximum temperature	33.9 C (93.0 F)	33 of 100 (Routine)
Jonuta	Mexico	Record low minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Ft Bragg 5 N	United States	Record high minimum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Lawrence	United States	Record high maximum temperature	41.7 C (107.1 F)	33 of 100 (Routine)
Osage City	United States	Record high maximum temperature	42.2 C (108.0 F)	33 of 100 (Routine)
Grand Marais	United States	Record daily precipitation	34.5 mm (1.4 in)	33 of 100 (Routine)
Guthrie 5S	United States	Record high minimum temperature	28.9 C (84.0 F)	33 of 100 (Routine)
Needles AP	United States	Record low maximum temperature	32.2 C (90.0 F)	33 of 100 (Routine)
Voru	Estonia	Record high minimum temperature	19.2 C (66.6 F)	32 of 100 (Routine)
Bhopal/Bairagarh	India	Record low minimum temperature	19.8 C (67.6 F)	32 of 100 (Routine)
Vytegra	Russia	Record high maximum temperature	32.7 C (90.9 F)	32 of 100 (Routine)
Ekaterino-Nikolskoe	Russia	Record low maximum temperature	16.5 C (61.7 F)	32 of 100 (Routine)
Wittmann 1SE	United States	Record low maximum temperature	33.3 C (91.9 F)	32 of 100 (Routine)
Healy	United States	Record high maximum temperature	43.3 C (109.9 F)	32 of 100 (Routine)
Trenton Dam 1N	United States	Record daily precipitation	37.1 mm (1.5 in)	32 of 100 (Routine)
Rancho Williams	Mexico	Record low minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Pervomajskoe	Russia	Record high maximum temperature	32.9 C (91.2 F)	31 of 100 (Routine)
Andalusia 3 W	United States	Record high minimum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Lead Hill	United States	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Syracuse 1NE	United States	Record high maximum temperature	41.7 C (107.1 F)	31 of 100 (Routine)

Counts by Type and Timescale

731 records

Records set or tied on 30 July 2012 by type: Highest daily maximum 232, Lowest daily maximum 59, Highest daily minimum 216, Lowest daily minimum 120, Heaviest daily rainfall 104.

Records on 30 July 2012 by type
Record type	Records
Highest daily maximum	232
Lowest daily maximum	59
Highest daily minimum	216
Lowest daily minimum	120
Heaviest daily rainfall	104
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 2012 by timescale: all-time 13, monthly 23, daily 695.

How Much Records Were Beaten By

524 broken records

Margins by which the 524 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.8. Ties are not counted.

Top 20 by Significance

30 July 2012

Top 20 records on 30 July 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2012	Delta, MX	monthly rain	50.8 mm (2.0 in)	37.8 mm (1.5 in)	28 years	64 of 100 (Major)
30 July 2012	Cassville 1 NE, US	all-time high min	27.2 C (81.0 F)	0.5 C (0.9 F)	94 years	59 of 100 (Notable)
30 July 2012	Yinchuan, CN	all-time rain	113.3 mm (4.5 in)	26.2 mm (1.0 in)	6 years	53 of 100 (Notable)
30 July 2012	E Lawai 934, US	daily rain	41.9 mm (1.6 in)	20.6 mm (0.8 in)	27 years	48 of 100 (Notable)
30 July 2012	Cape Leeuwin, AU	daily high max	20.8 C (69.4 F)	1.1 C (2.0 F)	94 years	44 of 100 (Notable)
30 July 2012	Lockwood, US	daily high min	26.7 C (80.1 F)	1.7 C (3.1 F)	97 years	44 of 100 (Notable)
30 July 2012	Pudasjarvi Jaurakkajarvi, FI	daily rain	32.3 mm (1.3 in)	18.5 mm (0.7 in)	42 years	43 of 100 (Notable)
30 July 2012	Culbertson, US	daily rain	43.4 mm (1.7 in)	5.0 mm (0.20 in)	105 years	43 of 100 (Notable)
30 July 2012	Old Forge, US	daily high max	32.8 C (91.0 F)	1.1 C (2.0 F)	104 years	43 of 100 (Notable)
30 July 2012	Raton Muni Crews Fld AP, US	all-time high min	19.4 C (66.9 F)	0.5 C (0.9 F)	48 years	42 of 100 (Notable)
30 July 2012	Velikie Luki, RU	daily high min	20.3 C (68.5 F)	0.4 C (0.7 F)	116 years	41 of 100 (Notable)
30 July 2012	Hays 1 S, US	daily high max	43.3 C (109.9 F)	1.6 C (2.9 F)	95 years	41 of 100 (Notable)
30 July 2012	Grapevine Dam, US	daily high max	41.1 C (106.0 F)	0.5 C (0.9 F)	102 years	41 of 100 (Notable)
30 July 2012	Box Creek, US	daily rain	30.5 mm (1.2 in)	20.3 mm (0.8 in)	13 years	41 of 100 (Notable)
30 July 2012	Dumas, US	daily high min	26.7 C (80.1 F)	1.7 C (3.1 F)	82 years	40 of 100 (Notable)
30 July 2012	Sedan, US	daily high min	28.9 C (84.0 F)	2.8 C (5.0 F)	73 years	40 of 100 (Notable)
30 July 2012	Kent City 2 SW, US	daily rain	43.7 mm (1.7 in)	20.3 mm (0.8 in)	52 years	40 of 100 (Notable)
30 July 2012	Billings 1SW, US	all-time high min	26.1 C (79.0 F)	0.5 C (0.9 F)	49 years	40 of 100 (Notable)
30 July 2012	Buffalo Bill Dam, US	daily high max	35.6 C (96.1 F)	1.7 C (3.1 F)	90 years	40 of 100 (Notable)
30 July 2012	Koloa Mauka 994, US	daily rain	37.1 mm (1.5 in)	17.5 mm (0.7 in)	58 years	40 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 2012

Records set or tied on this calendar date in each year from 1794 to 2012. 2012 had 731 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	1,049
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	762
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 2012-07-30: 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 2026-10-14 (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 5	465
5 to 10	31
10 to 15	12
15 to 20	7
20 to 25	6
25 to 30	2
30 to 35	0
35 to 40	1