Weather Records on 10 September 2012

793 weather records were set or tied worldwide on 10 September 2012. Highest significance: Koloa Mauka 994, US.

Key Facts for 10 September 2012

On 10 September 2012, 793 weather records were set or tied at long-record stations worldwide.
521 were record highs and 188 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 777 daily.
Koloa Mauka 994 set a daily record precipitation of 55.9 mm (2.2 in) on 10 September 2012.
Across 166 earlier years (1812 to 2026) the same calendar date averaged 426 records.

Record Map

793 stations

793 station records on 10 September 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 September 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Koloa Mauka 994	United States	Record daily precipitation	55.9 mm (2.2 in)	60 of 100 (Major)
E Lawai 934	United States	Record daily precipitation	46.5 mm (1.8 in)	47 of 100 (Notable)
Greifswald	Germany	Record high maximum temperature	29.4 C (84.9 F)	46 of 100 (Notable)
Altastenberg	Germany	Record high minimum temperature	16.1 C (61.0 F)	45 of 100 (Notable)
Preobrazenka	Russia	Record daily precipitation	34.0 mm (1.3 in)	45 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high maximum temperature	31.0 C (87.8 F)	42 of 100 (Notable)
Cascade 5 S	United States	Record high minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
New Braunfels	United States	Record low minimum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Fichtelberg	Germany	Record high maximum temperature	23.0 C (73.4 F)	41 of 100 (Notable)
Putbus	Germany	Record high maximum temperature	27.7 C (81.9 F)	41 of 100 (Notable)
Cape Leeuwin	Australia	Record high minimum temperature	16.5 C (61.7 F)	40 of 100 (Notable)
Hohenpeissenberg	Germany	Record daily precipitation	47.7 mm (1.9 in)	40 of 100 (Notable)
Magdeburg	Germany	Record high maximum temperature	31.5 C (88.7 F)	40 of 100 (Notable)
Marnitz	Germany	Record high maximum temperature	29.9 C (85.8 F)	40 of 100 (Notable)
Nakhon Sawan	Thailand	Record daily precipitation	83.6 mm (3.3 in)	40 of 100 (Notable)
Eastbourne	United Kingdom	Record high minimum temperature	17.0 C (62.6 F)	40 of 100 (Notable)
Montello 2NE	United States	Record high minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Schwerin	Germany	Record high maximum temperature	28.9 C (84.0 F)	39 of 100 (Notable)
Newport	United States	Record high minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Iwamizawa	Japan	Record daily precipitation	72.1 mm (2.8 in)	38 of 100 (Notable)
Westermarkelsdorf/Fehmarn	Germany	Record high maximum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Arkona	Germany	Record high maximum temperature	28.5 C (83.3 F)	37 of 100 (Notable)
Redlands	United States	Record high minimum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
San Francisco Telixtlahuaca	Mexico	Record high maximum temperature	33.9 C (93.0 F)	36 of 100 (Notable)
Deer Flat Dam	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Mahnomen	United States	Record low minimum temperature	-7.8 C (18.0 F)	36 of 100 (Notable)
Koror	Palau	Record daily precipitation	72.9 mm (2.9 in)	35 of 100 (Notable)
Salmon Gums Res.STN.	Australia	Record high maximum temperature	31.9 C (89.4 F)	34 of 100 (Routine)
Hiddensee-Vitte	Germany	Record high maximum temperature	27.0 C (80.6 F)	34 of 100 (Routine)
Boltenhagen	Germany	Record high maximum temperature	28.3 C (82.9 F)	34 of 100 (Routine)
Paradise	United States	Record low maximum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Ft Bragg 5 N	United States	Record low minimum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Seesen	Germany	Record high maximum temperature	29.4 C (84.9 F)	33 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record high maximum temperature	30.4 C (86.7 F)	33 of 100 (Routine)
Mazocahui	Mexico	Record daily precipitation	46.0 mm (1.8 in)	33 of 100 (Routine)
Santa Rosa	Mexico	Record daily precipitation	48.8 mm (1.9 in)	33 of 100 (Routine)
Austin #2	United States	Record high minimum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Cheyenne	United States	Record high maximum temperature	31.1 C (88.0 F)	33 of 100 (Routine)
Hannover	Germany	Record high maximum temperature	28.6 C (83.5 F)	32 of 100 (Routine)
Ostrov Golomjannyj	Russia	Record high minimum temperature	2.1 C (35.8 F)	32 of 100 (Routine)
Laketown	United States	Record high minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Polar Gmo Im.E.T.Krenkelj	Russia	Record daily precipitation	26.4 mm (1.0 in)	31 of 100 (Routine)
Zacatecas (Dge)	Mexico	Record low minimum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
Jakutsk	Russia	Record high minimum temperature	11.0 C (51.8 F)	30 of 100 (Routine)
Temnikov	Russia	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
Reno AP	United States	Record high minimum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Soltau	Germany	Record high maximum temperature	27.4 C (81.3 F)	29 of 100 (Routine)
Lichtentanne	Germany	Record high maximum temperature	29.4 C (84.9 F)	29 of 100 (Routine)
Sola	Norway	Record high minimum temperature	15.7 C (60.3 F)	29 of 100 (Routine)
Lemmon	United States	Record high maximum temperature	36.7 C (98.1 F)	29 of 100 (Routine)
Junction 4SSW	United States	Record low minimum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Colville	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Gillette 3SE	United States	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
Port Blair	India	Record daily precipitation	118.1 mm (4.6 in)	28 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	27.2 C (81.0 F)	28 of 100 (Routine)
Dudinka	Russia	Record high minimum temperature	11.6 C (52.9 F)	28 of 100 (Routine)
Ust-Isim	Russia	Record high maximum temperature	28.5 C (83.3 F)	28 of 100 (Routine)
Sundance	United States	Record high maximum temperature	33.9 C (93.0 F)	28 of 100 (Routine)
Ravensthorpe	Australia	Record high minimum temperature	17.5 C (63.5 F)	27 of 100 (Routine)
Freudenstadt	Germany	Record high minimum temperature	16.3 C (61.3 F)	27 of 100 (Routine)

Counts by Type and Timescale

793 records

Records set or tied on 10 September 2012 by type: Highest daily maximum 317, Lowest daily maximum 67, Highest daily minimum 204, Lowest daily minimum 121, Heaviest daily rainfall 84.

Records on 10 September 2012 by type
Record type	Records
Highest daily maximum	317
Lowest daily maximum	67
Highest daily minimum	204
Lowest daily minimum	121
Heaviest daily rainfall	84
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 September 2012 by timescale: all-time 0, monthly 16, daily 777.

How Much Records Were Beaten By

599 broken records

Margins by which the 599 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 40.4. Ties are not counted.

Top 20 by Significance

10 September 2012

Top 20 records on 10 September 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 September 2012	Koloa Mauka 994, US	daily rain	55.9 mm (2.2 in)	39.1 mm (1.5 in)	60 years	60 of 100 (Major)
10 September 2012	E Lawai 934, US	daily rain	46.5 mm (1.8 in)	12.0 mm (0.5 in)	80 years	47 of 100 (Notable)
10 September 2012	Greifswald, DE	daily high max	29.4 C (84.9 F)	3.4 C (6.1 F)	91 years	46 of 100 (Notable)
10 September 2012	Altastenberg, DE	daily high min	16.1 C (61.0 F)	1.8 C (3.2 F)	113 years	45 of 100 (Notable)
10 September 2012	Preobrazenka, RU	monthly rain	34.0 mm (1.3 in)	3.6 mm (0.14 in)	57 years	45 of 100 (Notable)
10 September 2012	Leipzig-Holzhausen, DE	daily high max	31.0 C (87.8 F)	1.0 C (1.8 F)	113 years	42 of 100 (Notable)
10 September 2012	Cascade 5 S, US	daily high min	16.7 C (62.1 F)	1.1 C (2.0 F)	104 years	42 of 100 (Notable)
10 September 2012	New Braunfels, US	daily low min	11.1 C (52.0 F)	1.7 C (3.1 F)	94 years	42 of 100 (Notable)
10 September 2012	Fichtelberg, DE	daily high max	23.0 C (73.4 F)	0.9 C (1.6 F)	113 years	41 of 100 (Notable)
10 September 2012	Putbus, DE	daily high max	27.7 C (81.9 F)	0.4 C (0.7 F)	154 years	41 of 100 (Notable)
10 September 2012	Cape Leeuwin, AU	daily high min	16.5 C (61.7 F)	0.5 C (0.9 F)	96 years	40 of 100 (Notable)
10 September 2012	Hohenpeissenberg, DE	daily rain	47.7 mm (1.9 in)	8.6 mm (0.34 in)	72 years	40 of 100 (Notable)
10 September 2012	Magdeburg, DE	daily high max	31.5 C (88.7 F)	0.2 C (0.4 F)	113 years	40 of 100 (Notable)
10 September 2012	Marnitz, DE	daily high max	29.9 C (85.8 F)	1.4 C (2.5 F)	91 years	40 of 100 (Notable)
10 September 2012	Nakhon Sawan, TH	daily rain	83.6 mm (3.3 in)	32.9 mm (1.3 in)	50 years	40 of 100 (Notable)
10 September 2012	Eastbourne, GB	daily high min	17.0 C (62.6 F)	0.3 C (0.5 F)	98 years	40 of 100 (Notable)
10 September 2012	Montello 2NE, US	daily high min	15.0 C (59.0 F)	1.7 C (3.1 F)	90 years	40 of 100 (Notable)
10 September 2012	Schwerin, DE	daily high max	28.9 C (84.0 F)	0.3 C (0.5 F)	98 years	39 of 100 (Notable)
10 September 2012	Newport, US	daily high min	11.7 C (53.1 F)	1.7 C (3.1 F)	85 years	39 of 100 (Notable)
10 September 2012	Iwamizawa, JP	daily rain	72.1 mm (2.8 in)	25.7 mm (1.0 in)	47 years	38 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

1812 to 2012

Records set or tied on this calendar date in each year from 1812 to 2012. 2012 had 793 records.

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

Records on 09-10 in each year
Year	Records
1812	1
1813	1
1814	2
1818	1
1838	2
1841	1
1846	1
1847	1
1848	1
1850	2
1854	3
1857	1
1858	1
1865	5
1868	1
1869	2
1871	1
1874	2
1875	1
1876	2
1878	1
1879	2
1880	3
1881	2
1883	3
1884	4
1885	2
1886	1
1887	1
1888	2
1889	3
1890	1
1891	3
1892	3
1893	2
1894	4
1895	3
1896	1
1897	7
1898	4
1899	10
1901	1
1902	10
1903	13
1904	5
1905	7
1906	23
1907	15
1908	15
1909	25
1910	26
1911	8
1912	62
1913	24
1914	43
1915	53
1916	15
1917	79
1918	33
1919	42
1920	132
1921	207
1922	78
1923	38
1924	335
1925	197
1926	68
1927	262
1928	109
1929	282
1930	161
1931	724
1932	258
1933	333
1934	247
1935	478
1936	336
1937	376
1938	369
1939	386
1940	410
1941	389
1942	271
1943	352
1944	470
1945	334
1946	295
1947	534
1948	432
1949	793
1950	394
1951	344
1952	476
1953	250
1954	271
1955	376
1956	834
1957	332
1958	435
1959	670
1960	376
1961	459
1962	798
1963	384
1964	710
1965	355
1966	330
1967	512
1968	846
1969	635
1970	582
1971	400
1972	477
1973	559
1974	522
1975	528
1976	1,041
1977	391
1978	883
1979	563
1980	716
1981	629
1982	687
1983	1,329
1984	824
1985	1,140
1986	960
1987	574
1988	783
1989	1,098
1990	782
1991	827
1992	745
1993	936
1994	816
1995	643
1996	1,003
1997	829
1998	1,832
1999	1,068
2000	1,088
2001	1,129
2002	1,298
2003	1,149
2004	652
2005	1,173
2006	1,110
2007	866
2008	975
2009	636
2010	1,273
2011	1,235
2012	793
2013	1,198
2014	894
2015	789
2016	1,085
2017	674
2018	1,030
2019	816
2020	2,105
2021	1,311
2022	633
2023	1,114
2024	933
2025	583
2026	832

Download the Data

Data for records on 2012-09-10: 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 2026-10-16 (16 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 10	578
10 to 20	13
20 to 30	2
30 to 40	5
40 to 50	1