Weather Records on 1 September 2012

874 weather records were set or tied worldwide on 1 September 2012. Highest significance: Mexico, US.

Key Facts for 1 September 2012

On 1 September 2012, 874 weather records were set or tied at long-record stations worldwide.
489 were record highs and 161 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 100 monthly and 770 daily.
Mexico set a daily record precipitation of 129.5 mm (5.1 in) on 1 September 2012.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 438 records.

Record Map

874 stations

874 station records on 1 September 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mexico	United States	Record daily precipitation	129.5 mm (5.1 in)	80 of 100 (Exceptional)
Kudymkar	Russia	Record daily precipitation	36.1 mm (1.4 in)	68 of 100 (Major)
Carlinville	United States	Record daily precipitation	69.9 mm (2.8 in)	67 of 100 (Major)
Du Quoin 4 SE	United States	Record daily precipitation	92.5 mm (3.6 in)	66 of 100 (Major)
Newport	United States	Record daily precipitation	82.6 mm (3.3 in)	61 of 100 (Major)
Beardstown	United States	Record daily precipitation	98.0 mm (3.9 in)	60 of 100 (Major)
Greenville	United States	Record daily precipitation	138.7 mm (5.5 in)	60 of 100 (Major)
Minidoka Dam	United States	Record daily precipitation	34.3 mm (1.4 in)	59 of 100 (Notable)
Centralia	United States	Record daily precipitation	109.7 mm (4.3 in)	58 of 100 (Notable)
Georgetown	United States	Record daily precipitation	81.0 mm (3.2 in)	57 of 100 (Notable)
Kirs	Russia	Record daily precipitation	38.5 mm (1.5 in)	56 of 100 (Notable)
Edina	United States	Record daily precipitation	154.9 mm (6.1 in)	54 of 100 (Notable)
Waltonville	United States	Record daily precipitation	75.7 mm (3.0 in)	53 of 100 (Notable)
Sundance	United States	Record high minimum temperature	20.0 C (68.0 F)	53 of 100 (Notable)
Harrisonville	United States	Record daily precipitation	86.4 mm (3.4 in)	51 of 100 (Notable)
Dover 1 W	United States	Record high minimum temperature	25.0 C (77.0 F)	51 of 100 (Notable)
Boutilimit	Mauritania	Record daily precipitation	55.9 mm (2.2 in)	49 of 100 (Notable)
Carlyle Rsvr	United States	Record daily precipitation	82.6 mm (3.3 in)	49 of 100 (Notable)
White Hall 1 E	United States	Record daily precipitation	73.2 mm (2.9 in)	49 of 100 (Notable)
Des Arc	United States	Record daily precipitation	67.6 mm (2.7 in)	48 of 100 (Notable)
Vandalia	United States	Record daily precipitation	95.0 mm (3.7 in)	48 of 100 (Notable)
Marble Hill	United States	Record daily precipitation	64.0 mm (2.5 in)	48 of 100 (Notable)
Oparino	Russia	Record daily precipitation	32.2 mm (1.3 in)	47 of 100 (Notable)
Brownsville	United States	Record high minimum temperature	25.6 C (78.1 F)	47 of 100 (Notable)
Cadege	Mexico	Record high minimum temperature	28.9 C (84.0 F)	45 of 100 (Notable)
Hardy	United States	Record daily precipitation	59.7 mm (2.4 in)	44 of 100 (Notable)
Carrollton	United States	Record daily precipitation	121.9 mm (4.8 in)	44 of 100 (Notable)
Moberly	United States	Record daily precipitation	86.6 mm (3.4 in)	44 of 100 (Notable)
Mitchell 5E	United States	Record high minimum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Howell Wwtp	United States	Record high maximum temperature	35.0 C (95.0 F)	43 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record high minimum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Dzalinda	Russia	Record daily precipitation	27.5 mm (1.1 in)	42 of 100 (Notable)
Dickson	United States	Record high minimum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Franklin Sewage Plt	United States	Record high minimum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Alicia 2 NNE	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Rison	United States	Record high minimum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Effingham 3SW	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Jacksonville 2E	United States	Record daily precipitation	116.8 mm (4.6 in)	41 of 100 (Notable)
Clemson UNIV	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Hohenwald	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Lebanon	United States	Record high minimum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Riverton	United States	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Fort Huachuca	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Tyler Pounds Fld	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Bomnak	Russia	Record daily precipitation	57.4 mm (2.3 in)	40 of 100 (Notable)
Cabot	United States	Record daily precipitation	62.2 mm (2.4 in)	40 of 100 (Notable)
Searcy	United States	Record daily precipitation	99.1 mm (3.9 in)	40 of 100 (Notable)
Centralia	United States	Record daily precipitation	94.0 mm (3.7 in)	40 of 100 (Notable)
Ellington	United States	Record daily precipitation	68.6 mm (2.7 in)	40 of 100 (Notable)
Poplar Bluff	United States	Record daily precipitation	73.2 mm (2.9 in)	40 of 100 (Notable)
Ft Robinson	United States	Record high minimum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Bolivar Wtr Wks	United States	Record high minimum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Virolahti Koivuniemi	Finland	Record daily precipitation	29.7 mm (1.2 in)	39 of 100 (Notable)
San Juanico	Mexico	Record daily precipitation	34.8 mm (1.4 in)	39 of 100 (Notable)
Tell City	United States	Record high minimum temperature	25.0 C (77.0 F)	39 of 100 (Notable)
Ardmore 1 NW	United States	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Olathe Johnson Co Ind AP	United States	Record daily precipitation	78.0 mm (3.1 in)	39 of 100 (Notable)
Poplar Bluff	United States	Record high minimum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Newark Wtr Wks	United States	Record daily precipitation	72.4 mm (2.9 in)	38 of 100 (Notable)
Corsicana	United States	Record high minimum temperature	26.1 C (79.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

874 records

Records set or tied on 1 September 2012 by type: Highest daily maximum 118, Lowest daily maximum 72, Highest daily minimum 371, Lowest daily minimum 89, Heaviest daily rainfall 223, Deepest snow cover 1.

Records on 1 September 2012 by type
Record type	Records
Highest daily maximum	118
Lowest daily maximum	72
Highest daily minimum	371
Lowest daily minimum	89
Heaviest daily rainfall	223
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 1 September 2012 by timescale: all-time 4, monthly 100, daily 770.

How Much Records Were Beaten By

593 broken records

Margins by which the 593 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 100.3. Ties are not counted.

Top 20 by Significance

1 September 2012

Top 20 records on 1 September 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 2012	Mexico, US	daily rain	129.5 mm (5.1 in)	100.3 mm (3.9 in)	102 years	80 of 100 (Exceptional)
1 September 2012	Kudymkar, RU	daily rain	36.1 mm (1.4 in)	18.5 mm (0.7 in)	73 years	68 of 100 (Major)
1 September 2012	Carlinville, US	daily rain	69.9 mm (2.8 in)	42.5 mm (1.7 in)	88 years	67 of 100 (Major)
1 September 2012	Du Quoin 4 SE, US	daily rain	92.5 mm (3.6 in)	45.0 mm (1.8 in)	81 years	66 of 100 (Major)
1 September 2012	Newport, US	daily rain	82.6 mm (3.3 in)	36.4 mm (1.4 in)	110 years	61 of 100 (Major)
1 September 2012	Beardstown, US	daily rain	98.0 mm (3.9 in)	40.8 mm (1.6 in)	78 years	60 of 100 (Major)
1 September 2012	Greenville, US	monthly rain	138.7 mm (5.5 in)	42.2 mm (1.7 in)	27 years	60 of 100 (Major)
1 September 2012	Minidoka Dam, US	daily rain	34.3 mm (1.4 in)	25.9 mm (1.0 in)	46 years	59 of 100 (Notable)
1 September 2012	Centralia, US	daily rain	109.7 mm (4.3 in)	76.7 mm (3.0 in)	38 years	58 of 100 (Notable)
1 September 2012	Georgetown, US	daily rain	81.0 mm (3.2 in)	41.6 mm (1.6 in)	84 years	57 of 100 (Notable)
1 September 2012	Kirs, RU	daily rain	38.5 mm (1.5 in)	18.2 mm (0.7 in)	48 years	56 of 100 (Notable)
1 September 2012	Edina, US	monthly rain	154.9 mm (6.1 in)	25.9 mm (1.0 in)	64 years	54 of 100 (Notable)
1 September 2012	Waltonville, US	daily rain	75.7 mm (3.0 in)	66.6 mm (2.6 in)	30 years	53 of 100 (Notable)
1 September 2012	Sundance, US	monthly high min	20.0 C (68.0 F)	1.7 C (3.1 F)	114 years	53 of 100 (Notable)
1 September 2012	Harrisonville, US	daily rain	86.4 mm (3.4 in)	22.1 mm (0.9 in)	104 years	51 of 100 (Notable)
1 September 2012	Dover 1 W, US	monthly high min	25.0 C (77.0 F)	0.6 C (1.1 F)	113 years	51 of 100 (Notable)
1 September 2012	Boutilimit, MR	daily rain	55.9 mm (2.2 in)	34.9 mm (1.4 in)	56 years	49 of 100 (Notable)
1 September 2012	Carlyle Rsvr, US	daily rain	82.6 mm (3.3 in)	60.5 mm (2.4 in)	14 years	49 of 100 (Notable)
1 September 2012	White Hall 1 E, US	daily rain	73.2 mm (2.9 in)	44.0 mm (1.7 in)	30 years	49 of 100 (Notable)
1 September 2012	Des Arc, US	daily rain	67.6 mm (2.7 in)	37.1 mm (1.5 in)	47 years	48 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

1797 to 2012

Records set or tied on this calendar date in each year from 1797 to 2012. 2012 had 874 records.

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

Records on 09-01 in each year
Year	Records
1797	1
1806	1
1819	1
1827	1
1831	1
1838	1
1851	1
1853	1
1854	1
1857	1
1858	1
1859	1
1860	2
1861	1
1865	1
1866	1
1867	2
1869	3
1871	1
1873	1
1876	2
1877	2
1878	3
1879	2
1881	5
1883	1
1886	3
1887	3
1888	2
1890	2
1892	2
1894	3
1897	4
1898	10
1899	3
1900	2
1901	14
1902	5
1903	16
1904	9
1905	6
1906	26
1907	14
1908	26
1909	34
1910	22
1911	16
1912	47
1913	32
1914	23
1915	46
1916	16
1917	24
1918	31
1919	19
1920	31
1921	46
1922	67
1923	75
1924	210
1925	127
1926	182
1927	136
1928	166
1929	324
1930	264
1931	233
1932	550
1933	622
1934	654
1935	584
1936	385
1937	502
1938	373
1939	303
1940	333
1941	497
1942	532
1943	578
1944	377
1945	497
1946	642
1947	555
1948	460
1949	1,102
1950	849
1951	668
1952	644
1953	937
1954	407
1955	413
1956	504
1957	320
1958	427
1959	519
1960	408
1961	531
1962	368
1963	416
1964	621
1965	657
1966	596
1967	1,263
1968	604
1969	493
1970	502
1971	464
1972	518
1973	874
1974	895
1975	939
1976	627
1977	500
1978	809
1979	459
1980	671
1981	649
1982	642
1983	1,167
1984	619
1985	901
1986	964
1987	909
1988	651
1989	823
1990	749
1991	687
1992	1,010
1993	1,122
1994	1,291
1995	1,165
1996	823
1997	1,161
1998	1,159
1999	925
2000	1,613
2001	904
2002	778
2003	1,254
2004	827
2005	901
2006	1,157
2007	976
2008	1,204
2009	1,003
2010	1,313
2011	1,071
2012	874
2013	775
2014	515
2015	661
2016	522
2017	686
2018	399
2019	800
2020	689
2021	751
2022	1,016
2023	720
2024	938
2025	356
2026	512

Download the Data

Data for records on 2012-09-01: 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	536
20 to 40	41
40 to 60	10
60 to 80	5
80 to 100	0
100 to 120	1