Weather Records on 18 September 2010

1,040 weather records were set or tied worldwide on 18 September 2010. Highest significance: Hermann, US.

Key Facts for 18 September 2010

On 18 September 2010, 1,040 weather records were set or tied at long-record stations worldwide.
535 were record highs and 220 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 36 monthly and 1,002 daily.
Hermann set a daily record precipitation of 115.1 mm (4.5 in) on 18 September 2010.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 417 records.

Record Map

1,040 stations

1,040 station records on 18 September 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hermann	United States	Record daily precipitation	115.1 mm (4.5 in)	76 of 100 (Major)
Mount Marlow	Australia	Record daily precipitation	45.0 mm (1.8 in)	74 of 100 (Major)
Birricannia	Australia	Record daily precipitation	39.0 mm (1.5 in)	65 of 100 (Major)
Betanga	Australia	Record daily precipitation	61.0 mm (2.4 in)	62 of 100 (Major)
Datong	China	Record daily precipitation	45.9 mm (1.8 in)	61 of 100 (Major)
Yuanping	China	Record daily precipitation	70.1 mm (2.8 in)	58 of 100 (Notable)
Craig	United States	Record high maximum temperature	23.9 C (75.0 F)	55 of 100 (Notable)
Stradbroke Station	Australia	Record daily precipitation	27.0 mm (1.1 in)	54 of 100 (Notable)
Centralia	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Boulia Airport	Australia	Record low maximum temperature	15.9 C (60.6 F)	50 of 100 (Notable)
Yandaburra	Australia	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Noumea Nf	New Caledonia [France]	Record low minimum temperature	9.6 C (49.3 F)	47 of 100 (Notable)
Vallentuna	Sweden	Record daily precipitation	29.4 mm (1.2 in)	47 of 100 (Notable)
Halls Creek Airport	Australia	Record low maximum temperature	23.3 C (73.9 F)	46 of 100 (Notable)
Tlacotepec	Mexico	Record daily precipitation	91.2 mm (3.6 in)	46 of 100 (Notable)
Tlacualera	Mexico	Record daily precipitation	62.0 mm (2.4 in)	46 of 100 (Notable)
Jonacatepec	Mexico	Record daily precipitation	79.0 mm (3.1 in)	46 of 100 (Notable)
Alponocan	Mexico	Record daily precipitation	69.1 mm (2.7 in)	46 of 100 (Notable)
San Felipe	Mexico	Record daily precipitation	129.3 mm (5.1 in)	46 of 100 (Notable)
Nova Vas Na Blokah	Slovenia	Record daily precipitation	115.2 mm (4.5 in)	46 of 100 (Notable)
Williston Sloulin Fld	United States	Record low minimum temperature	-5.0 C (23.0 F)	46 of 100 (Notable)
Le Bourget	France	Record low minimum temperature	4.8 C (40.6 F)	45 of 100 (Notable)
Falfurrias	United States	Record daily precipitation	53.6 mm (2.1 in)	45 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record high minimum temperature	17.3 C (63.1 F)	44 of 100 (Notable)
Gospic	Croatia	Record daily precipitation	71.4 mm (2.8 in)	44 of 100 (Notable)
Medicine Lake 3 SE	United States	Record low minimum temperature	-5.6 C (21.9 F)	43 of 100 (Notable)
Annex Creek	United States	Record high maximum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Yakutat AP	United States	Record high maximum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
Concrete Ppl Fish STN	United States	Record high minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Sedro-Woolley	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Low Isles Lighthouse	Australia	Record daily precipitation	31.2 mm (1.2 in)	40 of 100 (Notable)
Mamulique	Mexico	Record daily precipitation	71.9 mm (2.8 in)	40 of 100 (Notable)
Gustavsberg	Sweden	Record daily precipitation	26.6 mm (1.0 in)	40 of 100 (Notable)
Great Falls 16St	United States	Record low maximum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Hanty-Mansijsk	Russia	Record low minimum temperature	-3.8 C (25.2 F)	39 of 100 (Notable)
Union	United States	Record high minimum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Angleton 2 W	United States	Record daily precipitation	119.4 mm (4.7 in)	39 of 100 (Notable)
Varazdin	Croatia	Record daily precipitation	54.9 mm (2.2 in)	38 of 100 (Notable)
Colgate	United States	Record low minimum temperature	-1.1 C (30.0 F)	38 of 100 (Notable)
Vale	United States	Record high minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Roseburg Rgnl AP	United States	Record high minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Newhaven	Australia	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Mina	Mexico	Record daily precipitation	47.5 mm (1.9 in)	37 of 100 (Notable)
Anadyr	Russia	Record high minimum temperature	7.7 C (45.9 F)	37 of 100 (Notable)
Timovskoe	Russia	Record low minimum temperature	-2.9 C (26.8 F)	37 of 100 (Notable)
Postojna	Slovenia	Record daily precipitation	132.4 mm (5.2 in)	37 of 100 (Notable)
Corning	United States	Record daily precipitation	82.8 mm (3.3 in)	37 of 100 (Notable)
Pendleton Dwtn	United States	Record high minimum temperature	13.9 C (57.0 F)	37 of 100 (Notable)
Darrington Rs	United States	Record high minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Whittier	United States	Record high maximum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Haines AP	United States	Record high maximum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Glengyle	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Angellala Downs Homestead	Australia	Record daily precipitation	34.5 mm (1.4 in)	36 of 100 (Notable)
Cuernavaca (Dge)	Mexico	Record daily precipitation	77.2 mm (3.0 in)	36 of 100 (Notable)
Paras	Mexico	Record daily precipitation	104.4 mm (4.1 in)	36 of 100 (Notable)
Ciudad Santos	Mexico	Record daily precipitation	210.1 mm (8.3 in)	36 of 100 (Notable)
Vero Beach Intl AP	United States	Record high minimum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record low minimum temperature	0.3 C (32.5 F)	35 of 100 (Notable)
Preston: Moor Park	United Kingdom	Record daily precipitation	32.4 mm (1.3 in)	35 of 100 (Notable)
Saverton L&D 22	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,040 records

Records set or tied on 18 September 2010 by type: Highest daily maximum 285, Lowest daily maximum 138, Highest daily minimum 250, Lowest daily minimum 82, Heaviest daily rainfall 279, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 18 September 2010 by type
Record type	Records
Highest daily maximum	285
Lowest daily maximum	138
Highest daily minimum	250
Lowest daily minimum	82
Heaviest daily rainfall	279
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 18 September 2010 by timescale: all-time 2, monthly 36, daily 1,002.

How Much Records Were Beaten By

796 broken records

Margins by which the 796 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 97.1. Ties are not counted.

Top 20 by Significance

18 September 2010

Top 20 records on 18 September 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 2010	Hermann, US	daily rain	115.1 mm (4.5 in)	62.0 mm (2.4 in)	110 years	76 of 100 (Major)
18 September 2010	Mount Marlow, AU	daily rain	45.0 mm (1.8 in)	44.0 mm (1.7 in)	88 years	74 of 100 (Major)
18 September 2010	Birricannia, AU	daily rain	39.0 mm (1.5 in)	36.0 mm (1.4 in)	60 years	65 of 100 (Major)
18 September 2010	Betanga, AU	daily rain	61.0 mm (2.4 in)	27.7 mm (1.1 in)	107 years	62 of 100 (Major)
18 September 2010	Datong, CN	daily rain	45.9 mm (1.8 in)	32.3 mm (1.3 in)	53 years	61 of 100 (Major)
18 September 2010	Yuanping, CN	daily rain	70.1 mm (2.8 in)	58.0 mm (2.3 in)	45 years	58 of 100 (Notable)
18 September 2010	Craig, US	daily high max	23.9 C (75.0 F)	6.7 C (12.1 F)	72 years	55 of 100 (Notable)
18 September 2010	Stradbroke Station, AU	daily rain	27.0 mm (1.1 in)	15.8 mm (0.6 in)	60 years	54 of 100 (Notable)
18 September 2010	Centralia, US	monthly rain	50.8 mm (2.0 in)	3.3 mm (0.13 in)	94 years	52 of 100 (Notable)
18 September 2010	Boulia Airport, AU	daily low max	15.9 C (60.6 F)	4.5 C (8.1 F)	113 years	50 of 100 (Notable)
18 September 2010	Yandaburra, AU	daily rain	31.0 mm (1.2 in)	27.0 mm (1.1 in)	36 years	48 of 100 (Notable)
18 September 2010	Noumea Nf, NC	all-time low min	9.6 C (49.3 F)	2.3 C (4.1 F)	23 years	47 of 100 (Notable)
18 September 2010	Vallentuna, SE	daily rain	29.4 mm (1.2 in)	15.6 mm (0.6 in)	44 years	47 of 100 (Notable)
18 September 2010	Halls Creek Airport, AU	daily low max	23.3 C (73.9 F)	6.9 C (12.4 F)	52 years	46 of 100 (Notable)
18 September 2010	Tlacotepec, MX	daily rain	91.2 mm (3.6 in)	60.2 mm (2.4 in)	4 years	46 of 100 (Notable)
18 September 2010	Tlacualera, MX	daily rain	62.0 mm (2.4 in)	39.4 mm (1.6 in)	27 years	46 of 100 (Notable)
18 September 2010	Jonacatepec, MX	daily rain	79.0 mm (3.1 in)	40.6 mm (1.6 in)	20 years	46 of 100 (Notable)
18 September 2010	Alponocan, MX	daily rain	69.1 mm (2.7 in)	44.0 mm (1.7 in)	20 years	46 of 100 (Notable)
18 September 2010	San Felipe, MX	daily rain	129.3 mm (5.1 in)	93.5 mm (3.7 in)	36 years	46 of 100 (Notable)
18 September 2010	Nova Vas Na Blokah, SI	daily rain	115.2 mm (4.5 in)	84.9 mm (3.3 in)	4 years	46 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

1803 to 2010

Records set or tied on this calendar date in each year from 1803 to 2010. 2010 had 1,040 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 2010-09-18: 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	734
20 to 40	45
40 to 60	9
60 to 80	5
80 to 100	3