Weather Records on 30 July 2011

1,003 weather records were set or tied worldwide on 30 July 2011. Highest significance: Altgeringswalde, DE.

Key Facts for 30 July 2011

On 30 July 2011, 1,003 weather records were set or tied at long-record stations worldwide.
558 were record highs and 271 were record lows, counting maximum and minimum temperature.
By timescale, 19 were all-time records, 19 monthly and 965 daily.
Altgeringswalde set a monthly record daily precipitation of 82.3 mm (3.2 in) on 30 July 2011.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 437 records.

Record Map

1,003 stations

1,003 station records on 30 July 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Altgeringswalde	Germany	Record daily precipitation	82.3 mm (3.2 in)	65 of 100 (Major)
Napoleon	United States	Record daily precipitation	61.0 mm (2.4 in)	63 of 100 (Major)
Marienberg-Reitzenhain	Germany	Record daily precipitation	48.5 mm (1.9 in)	62 of 100 (Major)
Smith 6 N	United States	Record daily precipitation	49.5 mm (1.9 in)	61 of 100 (Major)
Nakhon Phanom	Thailand	Record daily precipitation	199.4 mm (7.9 in)	59 of 100 (Notable)
Niigata	Japan	Record daily precipitation	127.5 mm (5.0 in)	58 of 100 (Notable)
Garsebach Bei Meissen	Germany	Record daily precipitation	74.2 mm (2.9 in)	57 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record daily precipitation	42.9 mm (1.7 in)	56 of 100 (Notable)
Tiirikoja	Estonia	Record daily precipitation	73.1 mm (2.9 in)	55 of 100 (Notable)
Dippoldiswalde-Reinberg	Germany	Record daily precipitation	65.9 mm (2.6 in)	55 of 100 (Notable)
Dresden-Hosterwitz	Germany	Record daily precipitation	70.1 mm (2.8 in)	53 of 100 (Notable)
London State Fish Hatchery	United States	Record daily precipitation	63.2 mm (2.5 in)	53 of 100 (Notable)
Hutsonville	United States	Record daily precipitation	109.2 mm (4.3 in)	52 of 100 (Notable)
El Chante	Mexico	Record daily precipitation	83.8 mm (3.3 in)	51 of 100 (Notable)
Berlin-Buch	Germany	Record daily precipitation	39.3 mm (1.5 in)	50 of 100 (Notable)
Elista	Russia	Record high maximum temperature	43.3 C (109.9 F)	50 of 100 (Notable)
Allerton	United States	Record daily precipitation	40.6 mm (1.6 in)	50 of 100 (Notable)
Oschatz	Germany	Record daily precipitation	38.5 mm (1.5 in)	49 of 100 (Notable)
Amity 4 NE	United States	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Lobdell Lake	United States	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Dresden-Strehlen	Germany	Record daily precipitation	62.0 mm (2.4 in)	48 of 100 (Notable)
Ternopil	Ukraine	Record daily precipitation	42.9 mm (1.7 in)	47 of 100 (Notable)
Kinston 7 SE	United States	Record high maximum temperature	40.0 C (104.0 F)	47 of 100 (Notable)
Gigant	Russia	Record high maximum temperature	41.7 C (107.1 F)	46 of 100 (Notable)
Columbus	United States	Record daily precipitation	44.7 mm (1.8 in)	46 of 100 (Notable)
Trotters 3 SSE	United States	Record daily precipitation	44.2 mm (1.7 in)	46 of 100 (Notable)
Zinnwald-Georgenfeld	Germany	Record daily precipitation	54.6 mm (2.1 in)	45 of 100 (Notable)
Elista	Russia	Record high minimum temperature	27.8 C (82.0 F)	45 of 100 (Notable)
Gravette	United States	Record high minimum temperature	26.1 C (79.0 F)	45 of 100 (Notable)
Newcomb	United States	Record daily precipitation	59.7 mm (2.4 in)	45 of 100 (Notable)
Lexington	United States	Record high maximum temperature	37.2 C (99.0 F)	45 of 100 (Notable)
Santa Clara	Mexico	Record daily precipitation	51.8 mm (2.0 in)	44 of 100 (Notable)
Astrakan	Russia	Record high maximum temperature	40.6 C (105.1 F)	44 of 100 (Notable)
Hardy	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Tamaru	Australia	Record daily precipitation	40.7 mm (1.6 in)	43 of 100 (Notable)
Ganca	Azerbaijan	Record high maximum temperature	38.3 C (100.9 F)	42 of 100 (Notable)
Uccle	Belgium	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Tallinn	Estonia	Record daily precipitation	81.0 mm (3.2 in)	42 of 100 (Notable)
Aue	Germany	Record daily precipitation	38.9 mm (1.5 in)	42 of 100 (Notable)
Marienberg	Germany	Record daily precipitation	59.5 mm (2.3 in)	42 of 100 (Notable)
Uil	Kazakhstan	Record high maximum temperature	42.4 C (108.3 F)	42 of 100 (Notable)
Vladikavkaz	Russia	Record high minimum temperature	22.3 C (72.1 F)	42 of 100 (Notable)
Glenwood	United States	Record high minimum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Plauen	Germany	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Santa Rosa	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	43.7 mm (1.7 in)	41 of 100 (Notable)
Mt Vernon	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Berlin-Dahlem	Germany	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Leipzig-Schkeuditz	Germany	Record daily precipitation	28.7 mm (1.1 in)	40 of 100 (Notable)
Lichtentanne	Germany	Record low maximum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Nossen	Germany	Record daily precipitation	63.2 mm (2.5 in)	40 of 100 (Notable)
Presque Isle	United States	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Chillicothe 2S	United States	Record daily precipitation	71.6 mm (2.8 in)	39 of 100 (Notable)
Greensboro AP	United States	Record high minimum temperature	25.0 C (77.0 F)	39 of 100 (Notable)
Divnoe	Russia	Record high maximum temperature	44.3 C (111.7 F)	38 of 100 (Notable)
Ft Pierce	United States	Record high minimum temperature	26.1 C (79.0 F)	38 of 100 (Notable)
Georgetown Wtr Wks	United States	Record daily precipitation	67.1 mm (2.6 in)	38 of 100 (Notable)
Halle	Germany	Record low maximum temperature	15.9 C (60.6 F)	37 of 100 (Notable)
Debessy	Russia	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,003 records

Records set or tied on 30 July 2011 by type: Highest daily maximum 199, Lowest daily maximum 192, Highest daily minimum 359, Lowest daily minimum 79, Heaviest daily rainfall 174.

Records on 30 July 2011 by type
Record type	Records
Highest daily maximum	199
Lowest daily maximum	192
Highest daily minimum	359
Lowest daily minimum	79
Heaviest daily rainfall	174
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 2011 by timescale: all-time 19, monthly 19, daily 965.

How Much Records Were Beaten By

701 broken records

Margins by which the 701 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 120.2. Ties are not counted.

Top 20 by Significance

30 July 2011

Top 20 records on 30 July 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2011	Altgeringswalde, DE	monthly rain	82.3 mm (3.2 in)	26.3 mm (1.0 in)	57 years	65 of 100 (Major)
30 July 2011	Napoleon, US	daily rain	61.0 mm (2.4 in)	26.5 mm (1.0 in)	96 years	63 of 100 (Major)
30 July 2011	Marienberg-Reitzenhain, DE	daily rain	48.5 mm (1.9 in)	36.8 mm (1.4 in)	56 years	62 of 100 (Major)
30 July 2011	Smith 6 N, US	monthly rain	49.5 mm (1.9 in)	30.7 mm (1.2 in)	27 years	61 of 100 (Major)
30 July 2011	Nakhon Phanom, TH	daily rain	199.4 mm (7.9 in)	120.2 mm (4.7 in)	49 years	59 of 100 (Notable)
30 July 2011	Niigata, JP	daily rain	127.5 mm (5.0 in)	87.0 mm (3.4 in)	41 years	58 of 100 (Notable)
30 July 2011	Garsebach Bei Meissen, DE	daily rain	74.2 mm (2.9 in)	35.8 mm (1.4 in)	24 years	57 of 100 (Notable)
30 July 2011	Sarajevo, BA	daily rain	42.9 mm (1.7 in)	14.7 mm (0.6 in)	96 years	56 of 100 (Notable)
30 July 2011	Tiirikoja, EE	all-time rain	73.1 mm (2.9 in)	13.8 mm (0.5 in)	23 years	55 of 100 (Notable)
30 July 2011	Dippoldiswalde-Reinberg, DE	daily rain	65.9 mm (2.6 in)	47.2 mm (1.9 in)	30 years	55 of 100 (Notable)
30 July 2011	Dresden-Hosterwitz, DE	daily rain	70.1 mm (2.8 in)	55.6 mm (2.2 in)	24 years	53 of 100 (Notable)
30 July 2011	London State Fish Hatchery, US	daily rain	63.2 mm (2.5 in)	33.0 mm (1.3 in)	69 years	53 of 100 (Notable)
30 July 2011	Hutsonville, US	daily rain	109.2 mm (4.3 in)	67.0 mm (2.6 in)	20 years	52 of 100 (Notable)
30 July 2011	El Chante, MX	daily rain	83.8 mm (3.3 in)	45.4 mm (1.8 in)	25 years	51 of 100 (Notable)
30 July 2011	Berlin-Buch, DE	daily rain	39.3 mm (1.5 in)	25.3 mm (1.0 in)	21 years	50 of 100 (Notable)
30 July 2011	Elista, RU	all-time high max	43.3 C (109.9 F)	0.4 C (0.7 F)	70 years	50 of 100 (Notable)
30 July 2011	Allerton, US	daily rain	40.6 mm (1.6 in)	24.1 mm (0.9 in)	96 years	50 of 100 (Notable)
30 July 2011	Oschatz, DE	daily rain	38.5 mm (1.5 in)	15.4 mm (0.6 in)	69 years	49 of 100 (Notable)
30 July 2011	Amity 4 NE, US	daily rain	58.4 mm (2.3 in)	37.8 mm (1.5 in)	62 years	49 of 100 (Notable)
30 July 2011	Lobdell Lake, US	daily rain	25.4 mm (1.0 in)	20.3 mm (0.8 in)	22 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

1794 to 2011

Records set or tied on this calendar date in each year from 1794 to 2011. 2011 had 1,003 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 2011-07-30: 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 20	660
20 to 40	29
40 to 60	9
60 to 80	1
80 to 100	1
100 to 120	0
120 to 140	1