Weather Records on 12 September 1930

198 weather records were set or tied worldwide on 12 September 1930. Highest significance: Waverly, US.

Key Facts for 12 September 1930

On 12 September 1930, 198 weather records were set or tied at long-record stations worldwide.
136 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 195 daily.
Waverly set a daily record precipitation of 38.1 mm (1.5 in) on 12 September 1930.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 415 records.

Record Map

198 stations

198 station records on 12 September 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Waverly	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Franklin Sewage Plt	United States	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Mantova	Italy	Record daily precipitation	26.3 mm (1.0 in)	27 of 100 (Routine)
Gunnedah Pool	Australia	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Tunis	Tunisia	Record daily precipitation	35.4 mm (1.4 in)	24 of 100 (Routine)
Elsinore	United States	Record low minimum temperature	3.3 C (37.9 F)	24 of 100 (Routine)
Jefferson 3SE	United States	Record high maximum temperature	42.2 C (108.0 F)	23 of 100 (Routine)
Clarksville Wwtp	United States	Record daily precipitation	33.8 mm (1.3 in)	23 of 100 (Routine)
Orleansville (Chlef)	Algeria	Record low maximum temperature	21.0 C (69.8 F)	21 of 100 (Routine)
Moose Jaw Chab	Canada	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Surgut	Russia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Salekhard	Russia	Record daily precipitation	17.1 mm (0.7 in)	20 of 100 (Routine)
Falsterbo	Sweden	Record daily precipitation	11.0 mm (0.4 in)	20 of 100 (Routine)
Roermond	Netherlands	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Alice Springs Post Office	Australia	Record high minimum temperature	18.9 C (66.0 F)	20 of 100 (Routine)
Byrock Post Office	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Innsbruck	Austria	Record high minimum temperature	15.1 C (59.2 F)	19 of 100 (Routine)
Princeton	Canada	Record high minimum temperature	11.7 C (53.1 F)	19 of 100 (Routine)
La Ctr	United States	Record high minimum temperature	15.6 C (60.1 F)	19 of 100 (Routine)
Orleansville (Chlef)	Algeria	Record daily precipitation	10.0 mm (0.4 in)	18 of 100 (Routine)
Vilnius	Lithuania	Record low minimum temperature	0.8 C (33.4 F)	18 of 100 (Routine)
Highland Home	United States	Record daily precipitation	23.4 mm (0.9 in)	18 of 100 (Routine)
Avon Park 2 W	United States	Record high maximum temperature	35.0 C (95.0 F)	18 of 100 (Routine)
Ft Gaines	United States	Record daily precipitation	43.2 mm (1.7 in)	18 of 100 (Routine)
Aberdeen	United States	Record daily precipitation	17.3 mm (0.7 in)	18 of 100 (Routine)
Arapaho	United States	Record high maximum temperature	40.0 C (104.0 F)	18 of 100 (Routine)
Johnsonville	United States	Record daily precipitation	27.4 mm (1.1 in)	18 of 100 (Routine)
Sewanee	United States	Record daily precipitation	22.9 mm (0.9 in)	18 of 100 (Routine)
Vasilevici	Belarus	Record low minimum temperature	2.1 C (35.8 F)	17 of 100 (Routine)
Kamloops	Canada	Record high minimum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Gloversville	United States	Record high maximum temperature	33.9 C (93.0 F)	17 of 100 (Routine)
Salzburg	Austria	Record high minimum temperature	16.0 C (60.8 F)	16 of 100 (Routine)
Stratford	Canada	Record high maximum temperature	32.2 C (90.0 F)	16 of 100 (Routine)
Earlington	United States	Record high minimum temperature	23.3 C (73.9 F)	16 of 100 (Routine)
Maple Plain	United States	Record high maximum temperature	30.6 C (87.1 F)	16 of 100 (Routine)
Sloan 3 S	United States	Record daily precipitation	33.0 mm (1.3 in)	16 of 100 (Routine)
Lakeside	United States	Record high minimum temperature	16.1 C (61.0 F)	16 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	11.2 mm (0.4 in)	15 of 100 (Routine)
Weissenburg	Germany	Record high minimum temperature	15.7 C (60.3 F)	15 of 100 (Routine)
Vanrhysdorp	South Africa	Record daily precipitation	5.6 mm (0.22 in)	15 of 100 (Routine)
Mena	United States	Record high maximum temperature	36.1 C (97.0 F)	15 of 100 (Routine)
Butlerville 2 WNW	United States	Record daily precipitation	37.8 mm (1.5 in)	15 of 100 (Routine)
New Braunfels	United States	Record high maximum temperature	38.9 C (102.0 F)	15 of 100 (Routine)
Brisbane Regional Office	Australia	Record high minimum temperature	18.5 C (65.3 F)	14 of 100 (Routine)
Clayoquot	Canada	Record high minimum temperature	11.7 C (53.1 F)	14 of 100 (Routine)
Lucknow	Canada	Record high minimum temperature	19.4 C (66.9 F)	14 of 100 (Routine)
Hvar	Croatia	Record high maximum temperature	29.5 C (85.1 F)	14 of 100 (Routine)
Kazan	Russia	Record low maximum temperature	8.6 C (47.5 F)	14 of 100 (Routine)
Tuscumbia	United States	Record daily precipitation	15.7 mm (0.6 in)	14 of 100 (Routine)
Columbus	United States	Record high minimum temperature	21.1 C (70.0 F)	14 of 100 (Routine)
Franklin 3 NW	United States	Record daily precipitation	42.7 mm (1.7 in)	14 of 100 (Routine)
Coldwater St School	United States	Record high maximum temperature	35.0 C (95.0 F)	14 of 100 (Routine)
Ft Stanton	United States	Record low minimum temperature	0.6 C (33.1 F)	14 of 100 (Routine)
Wahpeton 3 N	United States	Record high minimum temperature	18.3 C (64.9 F)	14 of 100 (Routine)
Stillwater 2 W	United States	Record high maximum temperature	39.4 C (102.9 F)	14 of 100 (Routine)
Lucknow	Canada	Record high maximum temperature	32.8 C (91.0 F)	13 of 100 (Routine)
Porthill	United States	Record high minimum temperature	13.3 C (55.9 F)	13 of 100 (Routine)
Worcester	United States	Record high maximum temperature	30.0 C (86.0 F)	13 of 100 (Routine)
Hart 3 WSW	United States	Record high maximum temperature	30.6 C (87.1 F)	13 of 100 (Routine)
Shortsville	United States	Record high maximum temperature	31.1 C (88.0 F)	13 of 100 (Routine)

Counts by Type and Timescale

198 records

Records set or tied on 12 September 1930 by type: Highest daily maximum 61, Lowest daily maximum 8, Highest daily minimum 75, Lowest daily minimum 8, Heaviest daily rainfall 46.

Records on 12 September 1930 by type
Record type	Records
Highest daily maximum	61
Lowest daily maximum	8
Highest daily minimum	75
Lowest daily minimum	8
Heaviest daily rainfall	46
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1930 by timescale: all-time 0, monthly 3, daily 195.

How Much Records Were Beaten By

132 broken records

Margins by which the 132 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 29.0. Ties are not counted.

Top 20 by Significance

12 September 1930

Top 20 records on 12 September 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1930	Waverly, US	daily rain	38.1 mm (1.5 in)	22.9 mm (0.9 in)	34 years	37 of 100 (Notable)
12 September 1930	Franklin Sewage Plt, US	daily rain	35.6 mm (1.4 in)	29.0 mm (1.1 in)	35 years	34 of 100 (Routine)
12 September 1930	Mantova, IT	daily rain	26.3 mm (1.0 in)	5.1 mm (0.20 in)	45 years	27 of 100 (Routine)
12 September 1930	Gunnedah Pool, AU	daily high min	15.6 C (60.1 F)	2.3 C (4.1 F)	52 years	25 of 100 (Routine)
12 September 1930	Tunis, TN	daily rain	35.4 mm (1.4 in)	15.9 mm (0.6 in)	13 years	24 of 100 (Routine)
12 September 1930	Elsinore, US	daily low min	3.3 C (37.9 F)	4.5 C (8.1 F)	32 years	24 of 100 (Routine)
12 September 1930	Jefferson 3SE, US	monthly high max	42.2 C (108.0 F)	0.5 C (0.9 F)	34 years	23 of 100 (Routine)
12 September 1930	Clarksville Wwtp, US	daily rain	33.8 mm (1.3 in)	11.7 mm (0.5 in)	36 years	23 of 100 (Routine)
12 September 1930	Orleansville (Chlef), DZ	daily low max	21.0 C (69.8 F)	4.0 C (7.2 F)	28 years	21 of 100 (Routine)
12 September 1930	Moose Jaw Chab, CA	daily rain	22.6 mm (0.9 in)	17.5 mm (0.7 in)	42 years	20 of 100 (Routine)
12 September 1930	Surgut, RU	daily rain	14.0 mm (0.6 in)	6.6 mm (0.26 in)	30 years	20 of 100 (Routine)
12 September 1930	Salekhard, RU	daily rain	17.1 mm (0.7 in)	7.1 mm (0.28 in)	16 years	20 of 100 (Routine)
12 September 1930	Falsterbo, SE	daily rain	11.0 mm (0.4 in)	4.8 mm (0.19 in)	28 years	20 of 100 (Routine)
12 September 1930	Roermond, NL	daily rain	20.0 mm (0.8 in)	1.0 mm (0.04 in)	47 years	20 of 100 (Routine)
12 September 1930	Alice Springs Post Office, AU	daily high min	18.9 C (66.0 F)	1.1 C (2.0 F)	44 years	20 of 100 (Routine)
12 September 1930	Byrock Post Office, AU	daily rain	10.4 mm (0.4 in)	8.1 mm (0.32 in)	21 years	20 of 100 (Routine)
12 September 1930	Innsbruck, AT	daily high min	15.1 C (59.2 F)	0.1 C (0.2 F)	47 years	19 of 100 (Routine)
12 September 1930	Princeton, CA	daily high min	11.7 C (53.1 F)	3.4 C (6.1 F)	27 years	19 of 100 (Routine)
12 September 1930	La Ctr, US	daily high min	15.6 C (60.1 F)	2.3 C (4.1 F)	32 years	19 of 100 (Routine)
12 September 1930	Orleansville (Chlef), DZ	daily rain	10.0 mm (0.4 in)	1.0 mm (0.04 in)	41 years	18 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 1930

Records set or tied on this calendar date in each year from 1793 to 1930. 1930 had 198 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 1930-09-12: 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 5	112
5 to 10	11
10 to 15	4
15 to 20	3
20 to 25	1
25 to 30	1