Weather Records on 12 September 1948

292 weather records were set or tied worldwide on 12 September 1948. Highest significance: Sekoni, IN.

Key Facts for 12 September 1948

On 12 September 1948, 292 weather records were set or tied at long-record stations worldwide.
174 were record highs and 34 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 286 daily.
Sekoni set a monthly record daily precipitation of 158.5 mm (6.2 in) on 12 September 1948.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 414 records.

Record Map

292 stations

292 station records on 12 September 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sekoni	India	Record daily precipitation	158.5 mm (6.2 in)	51 of 100 (Notable)
Sagrampur	India	Record daily precipitation	112.5 mm (4.4 in)	49 of 100 (Notable)
Satna	India	Record daily precipitation	148.3 mm (5.8 in)	48 of 100 (Notable)
Oxford	United Kingdom	Record daily precipitation	31.2 mm (1.2 in)	43 of 100 (Notable)
Skegness	United Kingdom	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Chettikulam	India	Record daily precipitation	141.7 mm (5.6 in)	41 of 100 (Notable)
Mahabalipuram Obsy	India	Record daily precipitation	86.9 mm (3.4 in)	40 of 100 (Notable)
Mission 4 W	United States	Record low maximum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Storlien	Sweden	Record high minimum temperature	12.0 C (53.6 F)	37 of 100 (Notable)
Niwas	India	Record daily precipitation	128.3 mm (5.1 in)	36 of 100 (Notable)
Tezpur	India	Record daily precipitation	90.2 mm (3.6 in)	35 of 100 (Notable)
Pertabpur	India	Record daily precipitation	147.3 mm (5.8 in)	35 of 100 (Notable)
Malvern	United Kingdom	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Begusarai	India	Record daily precipitation	110.5 mm (4.4 in)	34 of 100 (Routine)
Bansgaon	India	Record daily precipitation	96.0 mm (3.8 in)	34 of 100 (Routine)
Hamilton	Canada	Record high maximum temperature	32.2 C (90.0 F)	33 of 100 (Routine)
Covelong	India	Record daily precipitation	78.7 mm (3.1 in)	32 of 100 (Routine)
Sveg	Sweden	Record high minimum temperature	12.5 C (54.5 F)	31 of 100 (Routine)
Sidhi	India	Record daily precipitation	104.1 mm (4.1 in)	30 of 100 (Routine)
Kotalpur	India	Record daily precipitation	101.6 mm (4.0 in)	30 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	14.3 C (57.7 F)	30 of 100 (Routine)
Gorlitz	Germany	Record high minimum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Bansi	India	Record daily precipitation	128.3 mm (5.1 in)	29 of 100 (Routine)
Akbarpur	India	Record daily precipitation	92.7 mm (3.6 in)	28 of 100 (Routine)
San Diego de la Union	Mexico	Record daily precipitation	35.8 mm (1.4 in)	28 of 100 (Routine)
Arni	India	Record daily precipitation	66.0 mm (2.6 in)	27 of 100 (Routine)
Tittagudi	India	Record daily precipitation	88.9 mm (3.5 in)	26 of 100 (Routine)
Bjuraker	Sweden	Record high minimum temperature	13.0 C (55.4 F)	26 of 100 (Routine)
Atlanta 1 E	United States	Record high minimum temperature	9.4 C (48.9 F)	26 of 100 (Routine)
Bay Saint Louis	United States	Record low maximum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Challis	United States	Record high maximum temperature	33.3 C (91.9 F)	25 of 100 (Routine)
Roros	Norway	Record high minimum temperature	12.0 C (53.6 F)	24 of 100 (Routine)
Vanersborg	Sweden	Record high minimum temperature	13.8 C (56.8 F)	24 of 100 (Routine)
Falfurrias	United States	Record low maximum temperature	24.4 C (75.9 F)	24 of 100 (Routine)
Shahganj	India	Record daily precipitation	67.6 mm (2.7 in)	23 of 100 (Routine)
Wausau Record Herald	United States	Record high maximum temperature	33.3 C (91.9 F)	23 of 100 (Routine)
Cape Leeuwin	Australia	Record high minimum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Bagodar I	India	Record daily precipitation	84.3 mm (3.3 in)	22 of 100 (Routine)
Uttiramerur	India	Record daily precipitation	76.7 mm (3.0 in)	22 of 100 (Routine)
Anadyr	Russia	Record high minimum temperature	8.0 C (46.4 F)	22 of 100 (Routine)
Chardzhev	Turkmenistan	Record low minimum temperature	9.4 C (48.9 F)	22 of 100 (Routine)
Seven Oaks	United States	Record high maximum temperature	32.8 C (91.0 F)	22 of 100 (Routine)
Beaver	United States	Record high maximum temperature	32.2 C (90.0 F)	22 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	16.8 C (62.2 F)	21 of 100 (Routine)
Palasbari	India	Record daily precipitation	53.3 mm (2.1 in)	21 of 100 (Routine)
Sarmera	India	Record daily precipitation	160.0 mm (6.3 in)	21 of 100 (Routine)
Two Harbors	United States	Record high maximum temperature	31.1 C (88.0 F)	21 of 100 (Routine)
Cambridge Niab	United Kingdom	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Rothamsted	United Kingdom	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Emmet Downs	Australia	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
Macaubas	Brazil	Record daily precipitation	15.4 mm (0.6 in)	20 of 100 (Routine)
Chemnitz	Germany	Record high minimum temperature	14.2 C (57.6 F)	20 of 100 (Routine)
Jowai	India	Record daily precipitation	88.9 mm (3.5 in)	20 of 100 (Routine)
Sherkawan	India	Record daily precipitation	63.5 mm (2.5 in)	20 of 100 (Routine)
Chingleput	India	Record daily precipitation	62.2 mm (2.4 in)	20 of 100 (Routine)
Ennore Obsy	India	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Soraon	India	Record daily precipitation	81.3 mm (3.2 in)	20 of 100 (Routine)
Allahabad Chailk	India	Record daily precipitation	64.0 mm (2.5 in)	20 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	14.0 C (57.2 F)	20 of 100 (Routine)
Gavle	Sweden	Record high maximum temperature	24.7 C (76.5 F)	20 of 100 (Routine)

Counts by Type and Timescale

292 records

Records set or tied on 12 September 1948 by type: Highest daily maximum 123, Lowest daily maximum 16, Highest daily minimum 51, Lowest daily minimum 18, Heaviest daily rainfall 84.

Records on 12 September 1948 by type
Record type	Records
Highest daily maximum	123
Lowest daily maximum	16
Highest daily minimum	51
Lowest daily minimum	18
Heaviest daily rainfall	84
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1948 by timescale: all-time 0, monthly 6, daily 286.

How Much Records Were Beaten By

217 broken records

Margins by which the 217 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 105.4. Ties are not counted.

Top 20 by Significance

12 September 1948

Top 20 records on 12 September 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1948	Sekoni, IN	monthly rain	158.5 mm (6.2 in)	44.5 mm (1.8 in)	41 years	51 of 100 (Notable)
12 September 1948	Sagrampur, IN	daily rain	112.5 mm (4.4 in)	83.3 mm (3.3 in)	27 years	49 of 100 (Notable)
12 September 1948	Satna, IN	daily rain	148.3 mm (5.8 in)	105.4 mm (4.1 in)	14 years	48 of 100 (Notable)
12 September 1948	Oxford, GB	daily rain	31.2 mm (1.2 in)	8.1 mm (0.32 in)	67 years	43 of 100 (Notable)
12 September 1948	Skegness, GB	monthly rain	45.7 mm (1.8 in)	13.4 mm (0.5 in)	1 year	42 of 100 (Notable)
12 September 1948	Chettikulam, IN	monthly rain	141.7 mm (5.6 in)	45.9 mm (1.8 in)	17 years	41 of 100 (Notable)
12 September 1948	Mahabalipuram Obsy, IN	daily rain	86.9 mm (3.4 in)	53.1 mm (2.1 in)	34 years	40 of 100 (Notable)
12 September 1948	Mission 4 W, US	daily low max	22.2 C (72.0 F)	8.4 C (15.1 F)	24 years	38 of 100 (Notable)
12 September 1948	Storlien, SE	daily high min	12.0 C (53.6 F)	4.0 C (7.2 F)	65 years	37 of 100 (Notable)
12 September 1948	Niwas, IN	daily rain	128.3 mm (5.1 in)	76.2 mm (3.0 in)	27 years	36 of 100 (Notable)
12 September 1948	Tezpur, IN	daily rain	90.2 mm (3.6 in)	43.7 mm (1.7 in)	18 years	35 of 100 (Notable)
12 September 1948	Pertabpur, IN	daily rain	147.3 mm (5.8 in)	102.1 mm (4.0 in)	12 years	35 of 100 (Notable)
12 September 1948	Malvern, GB	daily rain	33.0 mm (1.3 in)	11.7 mm (0.5 in)	37 years	35 of 100 (Notable)
12 September 1948	Begusarai, IN	daily rain	110.5 mm (4.4 in)	61.5 mm (2.4 in)	29 years	34 of 100 (Routine)
12 September 1948	Bansgaon, IN	daily rain	96.0 mm (3.8 in)	53.6 mm (2.1 in)	17 years	34 of 100 (Routine)
12 September 1948	Hamilton, CA	daily high max	32.2 C (90.0 F)	1.6 C (2.9 F)	74 years	33 of 100 (Routine)
12 September 1948	Covelong, IN	daily rain	78.7 mm (3.1 in)	40.9 mm (1.6 in)	32 years	32 of 100 (Routine)
12 September 1948	Sveg, SE	daily high min	12.5 C (54.5 F)	2.5 C (4.5 F)	65 years	31 of 100 (Routine)
12 September 1948	Sidhi, IN	daily rain	104.1 mm (4.1 in)	66.0 mm (2.6 in)	2 years	30 of 100 (Routine)
12 September 1948	Kotalpur, IN	daily rain	101.6 mm (4.0 in)	38.1 mm (1.5 in)	33 years	30 of 100 (Routine)

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 1948

Records set or tied on this calendar date in each year from 1793 to 1948. 1948 had 292 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 1948-09-12: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	192
20 to 40	10
40 to 60	9
60 to 80	3
80 to 100	1
100 to 120	2