Weather Records on 12 September 2012

639 weather records were set or tied worldwide on 12 September 2012. Highest significance: Passau-Maierhof, DE.

Key Facts for 12 September 2012

On 12 September 2012, 639 weather records were set or tied at long-record stations worldwide.
284 were record highs and 195 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 18 monthly and 619 daily.
Passau-Maierhof set a daily record precipitation of 29.8 mm (1.2 in) on 12 September 2012.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 412 records.

Record Map

639 stations

639 station records on 12 September 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Passau-Maierhof	Germany	Record daily precipitation	29.8 mm (1.2 in)	55 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	27.2 C (81.0 F)	55 of 100 (Notable)
Kerkwerve	Netherlands	Record daily precipitation	34.3 mm (1.4 in)	53 of 100 (Notable)
Rotuma	Fiji	Record daily precipitation	120.5 mm (4.7 in)	50 of 100 (Notable)
Hiva-Oa	French Polynesia	Record daily precipitation	69.1 mm (2.7 in)	49 of 100 (Notable)
San Isidro de Los Gonzalez	Mexico	Record daily precipitation	53.8 mm (2.1 in)	49 of 100 (Notable)
Haamstede	Netherlands	Record daily precipitation	46.8 mm (1.8 in)	49 of 100 (Notable)
Nenjiang	China	Record daily precipitation	60.2 mm (2.4 in)	47 of 100 (Notable)
Berezovo	Russia	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Innsbruck	Austria	Record daily precipitation	35.9 mm (1.4 in)	46 of 100 (Notable)
Jal	United States	Record low minimum temperature	6.1 C (43.0 F)	45 of 100 (Notable)
Rosillo	Mexico	Record daily precipitation	102.9 mm (4.1 in)	44 of 100 (Notable)
Tumacacori Nm	United States	Record low minimum temperature	5.0 C (41.0 F)	43 of 100 (Notable)
Beaver Is	United States	Record high minimum temperature	20.6 C (69.1 F)	43 of 100 (Notable)
Sunwu	China	Record daily precipitation	49.7 mm (2.0 in)	42 of 100 (Notable)
Rijeka	Croatia	Record daily precipitation	220.2 mm (8.7 in)	41 of 100 (Notable)
Hanty-Mansijsk	Russia	Record daily precipitation	27.2 mm (1.1 in)	41 of 100 (Notable)
Jerome	United States	Record low maximum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Superior	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Trostberg	Germany	Record daily precipitation	37.1 mm (1.5 in)	40 of 100 (Notable)
Stavenisse	Netherlands	Record daily precipitation	41.2 mm (1.6 in)	40 of 100 (Notable)
Winnebago	United States	Record high maximum temperature	34.4 C (93.9 F)	40 of 100 (Notable)
Enshi	China	Record daily precipitation	151.7 mm (6.0 in)	39 of 100 (Notable)
Kassler	United States	Record daily precipitation	33.8 mm (1.3 in)	39 of 100 (Notable)
Annex Creek	United States	Record daily precipitation	83.8 mm (3.3 in)	39 of 100 (Notable)
Calistoga	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Lily Pond	United States	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record high maximum temperature	36.1 C (97.0 F)	37 of 100 (Notable)
Guiyang	China	Record daily precipitation	74.9 mm (2.9 in)	36 of 100 (Notable)
Tomsk	Russia	Record high maximum temperature	28.5 C (83.3 F)	36 of 100 (Notable)
Postojna	Slovenia	Record daily precipitation	62.4 mm (2.5 in)	36 of 100 (Notable)
Lakewood	United States	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Elk City 1NE	United States	Record low minimum temperature	-7.2 C (19.0 F)	36 of 100 (Notable)
Brazzaville	Congo (Brazzaville)	Record low minimum temperature	15.2 C (59.4 F)	35 of 100 (Notable)
Tazovskoe	Russia	Record high maximum temperature	21.0 C (69.8 F)	35 of 100 (Notable)
Smartno Pri Slovenj Gradcu	Slovenia	Record daily precipitation	78.2 mm (3.1 in)	35 of 100 (Notable)
Ljubljana Bezigrad	Slovenia	Record daily precipitation	70.1 mm (2.8 in)	35 of 100 (Notable)
Gyshgy	Turkmenistan	Record high minimum temperature	18.4 C (65.1 F)	35 of 100 (Notable)
Canby	United States	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Santa Fe Co Muni AP	United States	Record low maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Jerecuaro	Mexico	Record high minimum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Pinos (Smn)	Mexico	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Hovenweep Nm	United States	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Kortgene	Netherlands	Record daily precipitation	25.5 mm (1.0 in)	33 of 100 (Routine)
Kingisepp	Russia	Record high maximum temperature	26.0 C (78.8 F)	33 of 100 (Routine)
Kushiro	Japan	Record high minimum temperature	19.7 C (67.5 F)	32 of 100 (Routine)
Pastoria	Mexico	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Bulken	Norway	Record daily precipitation	31.6 mm (1.2 in)	32 of 100 (Routine)
Gilroy	United States	Record low minimum temperature	3.9 C (39.0 F)	32 of 100 (Routine)
Lake Park 3SSE	United States	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Walthill 1E	United States	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Vunisea	Fiji	Record daily precipitation	66.4 mm (2.6 in)	31 of 100 (Routine)
San Jose de Los Llanetes	Mexico	Record daily precipitation	37.3 mm (1.5 in)	31 of 100 (Routine)
Lincoln AP	United States	Record daily precipitation	41.4 mm (1.6 in)	31 of 100 (Routine)
Petersburg 1	United States	Record daily precipitation	83.8 mm (3.3 in)	31 of 100 (Routine)
Anda	China	Record daily precipitation	25.1 mm (1.0 in)	30 of 100 (Routine)
Youyang	China	Record daily precipitation	98.1 mm (3.9 in)	30 of 100 (Routine)
Tarifa	Spain	Record high maximum temperature	30.9 C (87.6 F)	30 of 100 (Routine)
Moscow U of I	United States	Record low minimum temperature	-3.3 C (26.1 F)	30 of 100 (Routine)
Emmetsburg	United States	Record high maximum temperature	33.9 C (93.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

639 records

Records set or tied on 12 September 2012 by type: Highest daily maximum 168, Lowest daily maximum 66, Highest daily minimum 116, Lowest daily minimum 129, Heaviest daily rainfall 160.

Records on 12 September 2012 by type
Record type	Records
Highest daily maximum	168
Lowest daily maximum	66
Highest daily minimum	116
Lowest daily minimum	129
Heaviest daily rainfall	160
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 2012 by timescale: all-time 2, monthly 18, daily 619.

How Much Records Were Beaten By

483 broken records

Margins by which the 483 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.1. Ties are not counted.

Top 20 by Significance

12 September 2012

Top 20 records on 12 September 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 2012	Passau-Maierhof, DE	daily rain	29.8 mm (1.2 in)	9.6 mm (0.38 in)	112 years	55 of 100 (Notable)
12 September 2012	Mayaguez City, PR	daily high min	27.2 C (81.0 F)	2.2 C (4.0 F)	104 years	55 of 100 (Notable)
12 September 2012	Kerkwerve, NL	daily rain	34.3 mm (1.4 in)	9.3 mm (0.37 in)	98 years	53 of 100 (Notable)
12 September 2012	Rotuma, FJ	daily rain	120.5 mm (4.7 in)	84.1 mm (3.3 in)	20 years	50 of 100 (Notable)
12 September 2012	Hiva-Oa, PF	daily rain	69.1 mm (2.7 in)	57.2 mm (2.3 in)	17 years	49 of 100 (Notable)
12 September 2012	San Isidro de Los Gonzalez, MX	daily rain	53.8 mm (2.1 in)	34.0 mm (1.3 in)	33 years	49 of 100 (Notable)
12 September 2012	Haamstede, NL	daily rain	46.8 mm (1.8 in)	35.8 mm (1.4 in)	11 years	49 of 100 (Notable)
12 September 2012	Nenjiang, CN	monthly rain	60.2 mm (2.4 in)	12.8 mm (0.5 in)	51 years	47 of 100 (Notable)
12 September 2012	Berezovo, RU	daily rain	33.0 mm (1.3 in)	19.3 mm (0.8 in)	13 years	47 of 100 (Notable)
12 September 2012	Innsbruck, AT	daily rain	35.9 mm (1.4 in)	5.9 mm (0.23 in)	98 years	46 of 100 (Notable)
12 September 2012	Jal, US	daily low min	6.1 C (43.0 F)	6.1 C (11.0 F)	64 years	45 of 100 (Notable)
12 September 2012	Rosillo, MX	daily rain	102.9 mm (4.1 in)	77.0 mm (3.0 in)	9 years	44 of 100 (Notable)
12 September 2012	Tumacacori Nm, US	daily low min	5.0 C (41.0 F)	6.1 C (11.0 F)	62 years	43 of 100 (Notable)
12 September 2012	Beaver Is, US	daily high min	20.6 C (69.1 F)	1.7 C (3.1 F)	106 years	43 of 100 (Notable)
12 September 2012	Sunwu, CN	daily rain	49.7 mm (2.0 in)	23.1 mm (0.9 in)	29 years	42 of 100 (Notable)
12 September 2012	Rijeka, HR	all-time rain	220.2 mm (8.7 in)	15.7 mm (0.6 in)	31 years	41 of 100 (Notable)
12 September 2012	Hanty-Mansijsk, RU	daily rain	27.2 mm (1.1 in)	5.8 mm (0.23 in)	67 years	41 of 100 (Notable)
12 September 2012	Jerome, US	daily low max	17.2 C (63.0 F)	3.9 C (7.0 F)	73 years	41 of 100 (Notable)
12 September 2012	Superior, US	daily high max	35.6 C (96.1 F)	0.6 C (1.1 F)	105 years	41 of 100 (Notable)
12 September 2012	Trostberg, DE	daily rain	37.1 mm (1.5 in)	21.0 mm (0.8 in)	14 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

1793 to 2012

Records set or tied on this calendar date in each year from 1793 to 2012. 2012 had 639 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 2012-09-12: 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	458
20 to 40	20
40 to 60	3
60 to 80	1
80 to 100	1