Weather Records on 12 September 1955

457 weather records were set or tied worldwide on 12 September 1955. Highest significance: Dalu, IN.

Key Facts for 12 September 1955

On 12 September 1955, 457 weather records were set or tied at long-record stations worldwide.
80 were record highs and 245 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 1 monthly and 455 daily.
Dalu set a daily record precipitation of 268.0 mm (10.6 in) on 12 September 1955.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 413 records.

Record Map

457 stations

457 station records on 12 September 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dalu	India	Record daily precipitation	268.0 mm (10.6 in)	44 of 100 (Notable)
Clayoquot	Canada	Record daily precipitation	87.1 mm (3.4 in)	43 of 100 (Notable)
Port Alice	Canada	Record daily precipitation	85.9 mm (3.4 in)	40 of 100 (Notable)
Abisko	Sweden	Record daily precipitation	40.2 mm (1.6 in)	37 of 100 (Notable)
Tendukhera	India	Record daily precipitation	78.2 mm (3.1 in)	35 of 100 (Notable)
St. Petersburg	Russia	Record high minimum temperature	16.6 C (61.9 F)	35 of 100 (Notable)
Tartu	Estonia	Record high minimum temperature	15.5 C (59.9 F)	33 of 100 (Routine)
Parnu	Estonia	Record high minimum temperature	16.9 C (62.4 F)	32 of 100 (Routine)
Keolari	India	Record daily precipitation	106.9 mm (4.2 in)	32 of 100 (Routine)
Mandla	India	Record daily precipitation	96.0 mm (3.8 in)	31 of 100 (Routine)
Jowai	India	Record daily precipitation	170.9 mm (6.7 in)	31 of 100 (Routine)
Zacapu (Smn)	Mexico	Record daily precipitation	49.3 mm (1.9 in)	30 of 100 (Routine)
Rehli	India	Record daily precipitation	127.0 mm (5.0 in)	29 of 100 (Routine)
Tiruppathur	India	Record daily precipitation	89.2 mm (3.5 in)	29 of 100 (Routine)
Hillsdale	United States	Record low minimum temperature	0.0 C (32.0 F)	29 of 100 (Routine)
Alice	United States	Record daily precipitation	52.1 mm (2.1 in)	29 of 100 (Routine)
Hancock Exp Farm	United States	Record low minimum temperature	-3.9 C (25.0 F)	29 of 100 (Routine)
Salwani(Silvani)	India	Record daily precipitation	105.7 mm (4.2 in)	28 of 100 (Routine)
Vellore	India	Record daily precipitation	84.1 mm (3.3 in)	28 of 100 (Routine)
Brownsville	United States	Record low maximum temperature	27.2 C (81.0 F)	28 of 100 (Routine)
Chittoor	India	Record daily precipitation	36.8 mm (1.4 in)	27 of 100 (Routine)
Niwas	India	Record daily precipitation	190.5 mm (7.5 in)	27 of 100 (Routine)
Asola	India	Record daily precipitation	70.1 mm (2.8 in)	27 of 100 (Routine)
Periakulam	India	Record daily precipitation	48.3 mm (1.9 in)	27 of 100 (Routine)
Pesaro	Italy	Record daily precipitation	57.6 mm (2.3 in)	27 of 100 (Routine)
Anderson 1 N	United States	Record low minimum temperature	1.7 C (35.1 F)	27 of 100 (Routine)
Hampton	United States	Record low minimum temperature	-2.2 C (28.0 F)	27 of 100 (Routine)
Burnett 3 S	United States	Record low minimum temperature	-1.1 C (30.0 F)	27 of 100 (Routine)
Pet Jorhat	India	Record daily precipitation	64.0 mm (2.5 in)	26 of 100 (Routine)
Attabari	India	Record daily precipitation	79.5 mm (3.1 in)	26 of 100 (Routine)
Narayanganj	India	Record daily precipitation	108.0 mm (4.3 in)	26 of 100 (Routine)
Madison	United States	Record daily precipitation	51.8 mm (2.0 in)	26 of 100 (Routine)
Three Rivers	United States	Record low minimum temperature	2.2 C (36.0 F)	26 of 100 (Routine)
Weslaco	United States	Record low maximum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Oshkosh	United States	Record low minimum temperature	1.1 C (34.0 F)	26 of 100 (Routine)
Pine River 3 NE	United States	Record low minimum temperature	-2.8 C (27.0 F)	26 of 100 (Routine)
Green Bay	United States	Record low minimum temperature	0.0 C (32.0 F)	26 of 100 (Routine)
Biddelia	Australia	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Columbus Junction	United States	Record low minimum temperature	-0.6 C (30.9 F)	25 of 100 (Routine)
Winterset 4N	United States	Record low minimum temperature	-0.6 C (30.9 F)	25 of 100 (Routine)
Faribault	United States	Record low minimum temperature	-0.6 C (30.9 F)	25 of 100 (Routine)
Winona	United States	Record low minimum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Mexico	United States	Record low minimum temperature	3.3 C (37.9 F)	25 of 100 (Routine)
Wauseon Wtp	United States	Record low minimum temperature	2.2 C (36.0 F)	25 of 100 (Routine)
Medford	United States	Record low minimum temperature	-2.8 C (27.0 F)	25 of 100 (Routine)
Prentice #2	United States	Record low minimum temperature	-5.6 C (21.9 F)	25 of 100 (Routine)
Basoda	India	Record daily precipitation	29.2 mm (1.1 in)	24 of 100 (Routine)
Skjomen	Norway	Record daily precipitation	30.1 mm (1.2 in)	24 of 100 (Routine)
Blackfoot Fire Dept	United States	Record high minimum temperature	11.7 C (53.1 F)	24 of 100 (Routine)
Freeport	United States	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Frankfort Disposal	United States	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Oolitic Purdue Ex Fm	United States	Record low minimum temperature	5.0 C (41.0 F)	24 of 100 (Routine)
Richmond Wtr Wks	United States	Record low minimum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Chariton 1 E	United States	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Decorah	United States	Record low minimum temperature	-2.2 C (28.0 F)	24 of 100 (Routine)
New Ulm 2 SE	United States	Record low minimum temperature	-0.6 C (30.9 F)	24 of 100 (Routine)
Napoleon	United States	Record low minimum temperature	3.3 C (37.9 F)	24 of 100 (Routine)
Van Wert 1 S	United States	Record low minimum temperature	3.3 C (37.9 F)	24 of 100 (Routine)
Mc Minnville	United States	Record low minimum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Waupaca	United States	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

457 records

Records set or tied on 12 September 1955 by type: Highest daily maximum 38, Lowest daily maximum 24, Highest daily minimum 42, Lowest daily minimum 221, Heaviest daily rainfall 132.

Records on 12 September 1955 by type
Record type	Records
Highest daily maximum	38
Lowest daily maximum	24
Highest daily minimum	42
Lowest daily minimum	221
Heaviest daily rainfall	132
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1955 by timescale: all-time 1, monthly 1, daily 455.

How Much Records Were Beaten By

360 broken records

Margins by which the 360 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.5. Ties are not counted.

Top 20 by Significance

12 September 1955

Top 20 records on 12 September 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1955	Dalu, IN	daily rain	268.0 mm (10.6 in)	127.5 mm (5.0 in)	1 year	44 of 100 (Notable)
12 September 1955	Clayoquot, CA	daily rain	87.1 mm (3.4 in)	57.6 mm (2.3 in)	10 years	43 of 100 (Notable)
12 September 1955	Port Alice, CA	daily rain	85.9 mm (3.4 in)	46.5 mm (1.8 in)	26 years	40 of 100 (Notable)
12 September 1955	Abisko, SE	all-time rain	40.2 mm (1.6 in)	0.5 mm (0.02 in)	40 years	37 of 100 (Notable)
12 September 1955	Tendukhera, IN	daily rain	78.2 mm (3.1 in)	55.1 mm (2.2 in)	22 years	35 of 100 (Notable)
12 September 1955	St. Petersburg, RU	daily high min	16.6 C (61.9 F)	3.0 C (5.4 F)	68 years	35 of 100 (Notable)
12 September 1955	Tartu, EE	daily high min	15.5 C (59.9 F)	2.1 C (3.8 F)	68 years	33 of 100 (Routine)
12 September 1955	Parnu, EE	daily high min	16.9 C (62.4 F)	1.8 C (3.2 F)	66 years	32 of 100 (Routine)
12 September 1955	Keolari, IN	daily rain	106.9 mm (4.2 in)	35.0 mm (1.4 in)	34 years	32 of 100 (Routine)
12 September 1955	Mandla, IN	daily rain	96.0 mm (3.8 in)	38.8 mm (1.5 in)	33 years	31 of 100 (Routine)
12 September 1955	Jowai, IN	daily rain	170.9 mm (6.7 in)	82.0 mm (3.2 in)	6 years	31 of 100 (Routine)
12 September 1955	Zacapu (Smn), MX	daily rain	49.3 mm (1.9 in)	17.5 mm (0.7 in)	30 years	30 of 100 (Routine)
12 September 1955	Rehli, IN	daily rain	127.0 mm (5.0 in)	38.6 mm (1.5 in)	22 years	29 of 100 (Routine)
12 September 1955	Tiruppathur, IN	daily rain	89.2 mm (3.5 in)	42.7 mm (1.7 in)	1 year	29 of 100 (Routine)
12 September 1955	Hillsdale, US	daily low min	0.0 C (32.0 F)	3.3 C (5.9 F)	56 years	29 of 100 (Routine)
12 September 1955	Alice, US	daily rain	52.1 mm (2.1 in)	25.4 mm (1.0 in)	41 years	29 of 100 (Routine)
12 September 1955	Hancock Exp Farm, US	daily low min	-3.9 C (25.0 F)	5.0 C (9.0 F)	50 years	29 of 100 (Routine)
12 September 1955	Salwani(Silvani), IN	daily rain	105.7 mm (4.2 in)	57.4 mm (2.3 in)	8 years	28 of 100 (Routine)
12 September 1955	Vellore, IN	daily rain	84.1 mm (3.3 in)	17.0 mm (0.7 in)	52 years	28 of 100 (Routine)
12 September 1955	Brownsville, US	daily low max	27.2 C (81.0 F)	2.2 C (4.0 F)	48 years	28 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 1955

Records set or tied on this calendar date in each year from 1793 to 1955. 1955 had 457 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 1955-09-12: 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	340
20 to 40	10
40 to 60	7
60 to 80	1
80 to 100	1
100 to 120	0
120 to 140	1