Weather Records on 12 September 1934

176 weather records were set or tied worldwide on 12 September 1934. Highest significance: St Joseph, US.

Key Facts for 12 September 1934

On 12 September 1934, 176 weather records were set or tied at long-record stations worldwide.
66 were record highs and 15 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 3 monthly and 171 daily.
St Joseph set an all-time record daily precipitation of 140.0 mm (5.5 in) on 12 September 1934.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 415 records.

Record Map

176 stations

176 station records on 12 September 1934 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1934: highest significance records shown on the map
Station	Country	Type	Value	Significance
St Joseph	United States	Record daily precipitation	140.0 mm (5.5 in)	70 of 100 (Major)
Cassopolis	United States	Record daily precipitation	99.6 mm (3.9 in)	60 of 100 (Major)
Washington	United States	Record daily precipitation	102.1 mm (4.0 in)	59 of 100 (Notable)
Sohagpur	India	Record daily precipitation	149.9 mm (5.9 in)	48 of 100 (Notable)
Tirora	India	Record daily precipitation	174.2 mm (6.9 in)	46 of 100 (Notable)
Liberty	United States	Record daily precipitation	74.7 mm (2.9 in)	46 of 100 (Notable)
Purcellville	United States	Record daily precipitation	52.8 mm (2.1 in)	46 of 100 (Notable)
Sakoli	India	Record daily precipitation	121.4 mm (4.8 in)	43 of 100 (Notable)
New Burnside	United States	Record daily precipitation	68.6 mm (2.7 in)	39 of 100 (Notable)
Sonkatch	India	Record daily precipitation	106.7 mm (4.2 in)	33 of 100 (Routine)
Takoma Park # 1	United States	Record daily precipitation	62.2 mm (2.4 in)	33 of 100 (Routine)
Barpukhuri	India	Record daily precipitation	83.8 mm (3.3 in)	32 of 100 (Routine)
Madison	United States	Record daily precipitation	61.0 mm (2.4 in)	30 of 100 (Routine)
Huntingdon	United States	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Agar	India	Record daily precipitation	88.9 mm (3.5 in)	29 of 100 (Routine)
Kerrville	United States	Record daily precipitation	80.8 mm (3.2 in)	29 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	36.1 mm (1.4 in)	25 of 100 (Routine)
Panskura	India	Record daily precipitation	101.6 mm (4.0 in)	25 of 100 (Routine)
Bridgeport 5 NW	United States	Record daily precipitation	48.3 mm (1.9 in)	23 of 100 (Routine)
Billings Wtp	United States	Record high minimum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
New Westminster	Canada	Record daily precipitation	38.9 mm (1.5 in)	22 of 100 (Routine)
Minnedosa	Canada	Record daily precipitation	29.5 mm (1.2 in)	22 of 100 (Routine)
Lucknow	Canada	Record daily precipitation	38.6 mm (1.5 in)	22 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	23.5 C (74.3 F)	22 of 100 (Routine)
Socorro	United States	Record high minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Marshall	United States	Record daily precipitation	97.8 mm (3.9 in)	22 of 100 (Routine)
Chilliwack	Canada	Record low maximum temperature	12.2 C (54.0 F)	21 of 100 (Routine)
Maihar	India	Record daily precipitation	63.5 mm (2.5 in)	21 of 100 (Routine)
Knoxville	United States	Record daily precipitation	67.8 mm (2.7 in)	21 of 100 (Routine)
Baku	Azerbaijan	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Esquimalt	Canada	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Tewantin Post Office	Australia	Record low minimum temperature	1.2 C (34.2 F)	20 of 100 (Routine)
Nigriting	India	Record daily precipitation	66.8 mm (2.6 in)	20 of 100 (Routine)
Bhandara	India	Record daily precipitation	61.0 mm (2.4 in)	20 of 100 (Routine)
Rugby	United States	Record daily precipitation	74.9 mm (2.9 in)	20 of 100 (Routine)
Kamloops	Canada	Record low maximum temperature	11.7 C (53.1 F)	19 of 100 (Routine)
Pachmarhi	India	Record daily precipitation	71.4 mm (2.8 in)	19 of 100 (Routine)
Hart 3 WSW	United States	Record low maximum temperature	13.3 C (55.9 F)	19 of 100 (Routine)
Raleigh State UNIV	United States	Record daily precipitation	16.5 mm (0.6 in)	19 of 100 (Routine)
Kokstad	South Africa	Record daily precipitation	25.4 mm (1.0 in)	18 of 100 (Routine)
Cheltenham 1 NW	United States	Record daily precipitation	57.9 mm (2.3 in)	18 of 100 (Routine)
Vernon Coldstream Ranch	Canada	Record daily precipitation	14.5 mm (0.6 in)	17 of 100 (Routine)
Ottawa Cda	Canada	Record daily precipitation	29.2 mm (1.1 in)	17 of 100 (Routine)
Mohpani	India	Record daily precipitation	55.9 mm (2.2 in)	17 of 100 (Routine)
Scottsboro	United States	Record daily precipitation	8.9 mm (0.35 in)	17 of 100 (Routine)
Spearfish	United States	Record high maximum temperature	33.3 C (91.9 F)	17 of 100 (Routine)
Lewisburg Exp STN	United States	Record daily precipitation	17.5 mm (0.7 in)	17 of 100 (Routine)
Dale Enterprise	United States	Record daily precipitation	18.5 mm (0.7 in)	17 of 100 (Routine)
Big Creek	Canada	Record low maximum temperature	6.1 C (43.0 F)	16 of 100 (Routine)
Brantford	Canada	Record daily precipitation	51.6 mm (2.0 in)	16 of 100 (Routine)
Dewan	India	Record daily precipitation	70.1 mm (2.8 in)	16 of 100 (Routine)
Cape Girardeau	United States	Record daily precipitation	55.6 mm (2.2 in)	16 of 100 (Routine)
Williston Sloulin Fld	United States	Record high maximum temperature	32.8 C (91.0 F)	16 of 100 (Routine)
Ladner	Canada	Record daily precipitation	21.6 mm (0.9 in)	15 of 100 (Routine)
Brahmapuri	India	Record daily precipitation	45.7 mm (1.8 in)	15 of 100 (Routine)
Firozabad	India	Record daily precipitation	32.0 mm (1.3 in)	15 of 100 (Routine)
Pearston (Pol)	South Africa	Record daily precipitation	13.0 mm (0.5 in)	15 of 100 (Routine)
Karlshamn	Sweden	Record high minimum temperature	14.6 C (58.3 F)	15 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record high minimum temperature	21.6 C (70.9 F)	15 of 100 (Routine)
Charlottesville 2W	United States	Record daily precipitation	24.6 mm (1.0 in)	15 of 100 (Routine)

Counts by Type and Timescale

176 records

Records set or tied on 12 September 1934 by type: Highest daily maximum 37, Lowest daily maximum 12, Highest daily minimum 29, Lowest daily minimum 3, Heaviest daily rainfall 94, Heaviest daily snowfall 1.

Records on 12 September 1934 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	12
Highest daily minimum	29
Lowest daily minimum	3
Heaviest daily rainfall	94
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 12 September 1934 by timescale: all-time 2, monthly 3, daily 171.

How Much Records Were Beaten By

142 broken records

Margins by which the 142 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 134.7. Ties are not counted.

Top 20 by Significance

12 September 1934

Top 20 records on 12 September 1934 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1934	St Joseph, US	all-time rain	140.0 mm (5.5 in)	63.8 mm (2.5 in)	26 years	70 of 100 (Major)
12 September 1934	Cassopolis, US	all-time rain	99.6 mm (3.9 in)	33.6 mm (1.3 in)	27 years	60 of 100 (Major)
12 September 1934	Washington, US	daily rain	102.1 mm (4.0 in)	55.4 mm (2.2 in)	50 years	59 of 100 (Notable)
12 September 1934	Sohagpur, IN	daily rain	149.9 mm (5.9 in)	134.7 mm (5.3 in)	17 years	48 of 100 (Notable)
12 September 1934	Tirora, IN	monthly rain	174.2 mm (6.9 in)	53.5 mm (2.1 in)	18 years	46 of 100 (Notable)
12 September 1934	Liberty, US	daily rain	74.7 mm (2.9 in)	64.0 mm (2.5 in)	12 years	46 of 100 (Notable)
12 September 1934	Purcellville, US	daily rain	52.8 mm (2.1 in)	45.2 mm (1.8 in)	24 years	46 of 100 (Notable)
12 September 1934	Sakoli, IN	daily rain	121.4 mm (4.8 in)	88.4 mm (3.5 in)	0 years	43 of 100 (Notable)
12 September 1934	New Burnside, US	daily rain	68.6 mm (2.7 in)	39.9 mm (1.6 in)	28 years	39 of 100 (Notable)
12 September 1934	Sonkatch, IN	daily rain	106.7 mm (4.2 in)	55.9 mm (2.2 in)	28 years	33 of 100 (Routine)
12 September 1934	Takoma Park # 1, US	daily rain	62.2 mm (2.4 in)	41.1 mm (1.6 in)	12 years	33 of 100 (Routine)
12 September 1934	Barpukhuri, IN	daily rain	83.8 mm (3.3 in)	39.1 mm (1.5 in)	25 years	32 of 100 (Routine)
12 September 1934	Madison, US	daily rain	61.0 mm (2.4 in)	47.0 mm (1.9 in)	8 years	30 of 100 (Routine)
12 September 1934	Huntingdon, US	daily rain	43.2 mm (1.7 in)	17.8 mm (0.7 in)	37 years	30 of 100 (Routine)
12 September 1934	Agar, IN	daily rain	88.9 mm (3.5 in)	66.0 mm (2.6 in)	11 years	29 of 100 (Routine)
12 September 1934	Kerrville, US	daily rain	80.8 mm (3.2 in)	42.2 mm (1.7 in)	8 years	29 of 100 (Routine)
12 September 1934	Ottawa, CA	daily rain	36.1 mm (1.4 in)	13.7 mm (0.5 in)	8 years	25 of 100 (Routine)
12 September 1934	Panskura, IN	daily rain	101.6 mm (4.0 in)	24.1 mm (0.9 in)	31 years	25 of 100 (Routine)
12 September 1934	Bridgeport 5 NW, US	daily rain	48.3 mm (1.9 in)	17.1 mm (0.7 in)	23 years	23 of 100 (Routine)
12 September 1934	Billings Wtp, US	monthly high min	17.2 C (63.0 F)	1.1 C (2.0 F)	25 years	23 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 1934

Records set or tied on this calendar date in each year from 1793 to 1934. 1934 had 176 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 1934-09-12: 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	117
20 to 40	13
40 to 60	7
60 to 80	3
80 to 100	1
100 to 120	0
120 to 140	1