Weather Records on 12 September 1978

952 weather records were set or tied worldwide on 12 September 1978. Highest significance: Jagdalpur, IN.

Key Facts for 12 September 1978

On 12 September 1978, 952 weather records were set or tied at long-record stations worldwide.
252 were record highs and 173 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 44 monthly and 901 daily.
Jagdalpur set an all-time record daily precipitation of 340.1 mm (13.4 in) on 12 September 1978.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 410 records.

Record Map

952 stations

952 station records on 12 September 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jagdalpur	India	Record daily precipitation	340.1 mm (13.4 in)	80 of 100 (Exceptional)
Lisbon	United States	Record daily precipitation	152.4 mm (6.0 in)	78 of 100 (Major)
Fullerton 1 ESE	United States	Record daily precipitation	82.6 mm (3.3 in)	70 of 100 (Major)
Turtle Lake	United States	Record daily precipitation	77.5 mm (3.1 in)	70 of 100 (Major)
Beaver	United States	Record daily precipitation	150.6 mm (5.9 in)	69 of 100 (Major)
Rochester Intl AP	United States	Record daily precipitation	151.9 mm (6.0 in)	69 of 100 (Major)
Nashlyn	Canada	Record daily precipitation	48.0 mm (1.9 in)	65 of 100 (Major)
Melstone	United States	Record daily precipitation	66.0 mm (2.6 in)	65 of 100 (Major)
Minot Exp STN	United States	Record daily precipitation	56.4 mm (2.2 in)	65 of 100 (Major)
Parshall	United States	Record daily precipitation	61.0 mm (2.4 in)	64 of 100 (Major)
Cadillac	Canada	Record daily precipitation	52.8 mm (2.1 in)	62 of 100 (Major)
Benton Harbor AP	United States	Record daily precipitation	51.3 mm (2.0 in)	62 of 100 (Major)
Mc Clusky	United States	Record daily precipitation	61.7 mm (2.4 in)	62 of 100 (Major)
Mason City	United States	Record daily precipitation	88.9 mm (3.5 in)	61 of 100 (Major)
Napoleon	United States	Record daily precipitation	52.1 mm (2.1 in)	61 of 100 (Major)
Harlem	United States	Record daily precipitation	71.1 mm (2.8 in)	60 of 100 (Major)
Tagus	United States	Record daily precipitation	53.3 mm (2.1 in)	59 of 100 (Notable)
Washburn	United States	Record daily precipitation	76.7 mm (3.0 in)	59 of 100 (Notable)
Hinckley	United States	Record daily precipitation	67.3 mm (2.6 in)	58 of 100 (Notable)
Poplar 2 E	United States	Record daily precipitation	40.6 mm (1.6 in)	58 of 100 (Notable)
Oswego	United States	Record daily precipitation	61.5 mm (2.4 in)	57 of 100 (Notable)
Powers Lake 1N	United States	Record daily precipitation	54.1 mm (2.1 in)	57 of 100 (Notable)
Wildrose 3NW	United States	Record daily precipitation	35.6 mm (1.4 in)	56 of 100 (Notable)
Motozintla (Smn)	Mexico	Record high maximum temperature	37.8 C (100.0 F)	54 of 100 (Notable)
Goldbutte 7 N	United States	Record daily precipitation	41.7 mm (1.6 in)	54 of 100 (Notable)
Albion	United States	Record daily precipitation	50.8 mm (2.0 in)	54 of 100 (Notable)
S Haven	United States	Record daily precipitation	88.1 mm (3.5 in)	53 of 100 (Notable)
Roundup	United States	Record daily precipitation	48.5 mm (1.9 in)	53 of 100 (Notable)
Bowbells	United States	Record daily precipitation	49.5 mm (1.9 in)	53 of 100 (Notable)
Winnipeg Richardson Int'l A	Canada	Record daily precipitation	55.0 mm (2.2 in)	52 of 100 (Notable)
Bennetts Brg	United States	Record daily precipitation	122.2 mm (4.8 in)	52 of 100 (Notable)
Winifred	United States	Record daily precipitation	52.1 mm (2.1 in)	51 of 100 (Notable)
Rugby	United States	Record daily precipitation	30.0 mm (1.2 in)	51 of 100 (Notable)
Jordan	United States	Record daily precipitation	42.2 mm (1.7 in)	50 of 100 (Notable)
Larimore 4SW	United States	Record daily precipitation	47.8 mm (1.9 in)	50 of 100 (Notable)
Westby	United States	Record daily precipitation	41.4 mm (1.6 in)	49 of 100 (Notable)
Foxholm 7 N	United States	Record daily precipitation	54.4 mm (2.1 in)	49 of 100 (Notable)
Mc Leod 3 E	United States	Record daily precipitation	41.9 mm (1.6 in)	49 of 100 (Notable)
New London	United States	Record daily precipitation	91.4 mm (3.6 in)	49 of 100 (Notable)
Morden Cda	Canada	Record daily precipitation	46.0 mm (1.8 in)	48 of 100 (Notable)
Bloomingdale	United States	Record daily precipitation	81.3 mm (3.2 in)	48 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record daily precipitation	39.9 mm (1.6 in)	48 of 100 (Notable)
Crow Agency	United States	Record daily precipitation	65.0 mm (2.6 in)	48 of 100 (Notable)
Plentywood	United States	Record daily precipitation	48.3 mm (1.9 in)	48 of 100 (Notable)
Scobey	United States	Record daily precipitation	48.3 mm (1.9 in)	48 of 100 (Notable)
Alexandria Chandler Fld	United States	Record daily precipitation	59.2 mm (2.3 in)	48 of 100 (Notable)
Denton	United States	Record daily precipitation	50.8 mm (2.0 in)	47 of 100 (Notable)
Courtenay 1 NW	United States	Record daily precipitation	68.6 mm (2.7 in)	47 of 100 (Notable)
Max	United States	Record daily precipitation	43.2 mm (1.7 in)	47 of 100 (Notable)
Tioga 1E	United States	Record daily precipitation	29.2 mm (1.1 in)	47 of 100 (Notable)
Racine Wwtp	United States	Record daily precipitation	58.4 mm (2.3 in)	47 of 100 (Notable)
Emerson	Canada	Record daily precipitation	45.7 mm (1.8 in)	46 of 100 (Notable)
Amealco	Mexico	Record daily precipitation	75.9 mm (3.0 in)	46 of 100 (Notable)
Leeupoort	South Africa	Record daily precipitation	35.5 mm (1.4 in)	46 of 100 (Notable)
Chinook	United States	Record daily precipitation	68.3 mm (2.7 in)	46 of 100 (Notable)
Medicine Lake 3 SE	United States	Record daily precipitation	55.6 mm (2.2 in)	46 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily precipitation	32.3 mm (1.3 in)	46 of 100 (Notable)
Kenmare 1 WSW	United States	Record daily precipitation	41.4 mm (1.6 in)	46 of 100 (Notable)
Westhope	United States	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
Wilton	United States	Record daily precipitation	69.9 mm (2.8 in)	46 of 100 (Notable)

Counts by Type and Timescale

952 records

Records set or tied on 12 September 1978 by type: Highest daily maximum 52, Lowest daily maximum 124, Highest daily minimum 200, Lowest daily minimum 49, Heaviest daily rainfall 521, Heaviest daily snowfall 4, Deepest snow cover 2.

Records on 12 September 1978 by type
Record type	Records
Highest daily maximum	52
Lowest daily maximum	124
Highest daily minimum	200
Lowest daily minimum	49
Heaviest daily rainfall	521
Heaviest daily snowfall	4
Deepest snow cover	2

Records on 12 September 1978 by timescale: all-time 7, monthly 44, daily 901.

How Much Records Were Beaten By

807 broken records

Margins by which the 807 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 136.9. Ties are not counted.

Top 20 by Significance

12 September 1978

Top 20 records on 12 September 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1978	Jagdalpur, IN	all-time rain	340.1 mm (13.4 in)	136.9 mm (5.4 in)	47 years	80 of 100 (Exceptional)
12 September 1978	Lisbon, US	all-time rain	152.4 mm (6.0 in)	41.4 mm (1.6 in)	37 years	78 of 100 (Major)
12 September 1978	Fullerton 1 ESE, US	daily rain	82.6 mm (3.3 in)	46.3 mm (1.8 in)	75 years	70 of 100 (Major)
12 September 1978	Turtle Lake, US	monthly rain	77.5 mm (3.1 in)	39.7 mm (1.6 in)	46 years	70 of 100 (Major)
12 September 1978	Beaver, US	all-time rain	150.6 mm (5.9 in)	41.4 mm (1.6 in)	27 years	69 of 100 (Major)
12 September 1978	Rochester Intl AP, US	monthly rain	151.9 mm (6.0 in)	71.4 mm (2.8 in)	36 years	69 of 100 (Major)
12 September 1978	Nashlyn, CA	daily rain	48.0 mm (1.9 in)	36.6 mm (1.4 in)	64 years	65 of 100 (Major)
12 September 1978	Melstone, US	daily rain	66.0 mm (2.6 in)	51.8 mm (2.0 in)	63 years	65 of 100 (Major)
12 September 1978	Minot Exp STN, US	daily rain	56.4 mm (2.2 in)	42.4 mm (1.7 in)	63 years	65 of 100 (Major)
12 September 1978	Parshall, US	daily rain	61.0 mm (2.4 in)	45.3 mm (1.8 in)	61 years	64 of 100 (Major)
12 September 1978	Cadillac, CA	monthly rain	52.8 mm (2.1 in)	20.3 mm (0.8 in)	46 years	62 of 100 (Major)
12 September 1978	Benton Harbor AP, US	daily rain	51.3 mm (2.0 in)	32.5 mm (1.3 in)	84 years	62 of 100 (Major)
12 September 1978	Mc Clusky, US	daily rain	61.7 mm (2.4 in)	51.5 mm (2.0 in)	53 years	62 of 100 (Major)
12 September 1978	Mason City, US	daily rain	88.9 mm (3.5 in)	56.4 mm (2.2 in)	45 years	61 of 100 (Major)
12 September 1978	Napoleon, US	daily rain	52.1 mm (2.1 in)	24.2 mm (1.0 in)	75 years	61 of 100 (Major)
12 September 1978	Harlem, US	monthly rain	71.1 mm (2.8 in)	40.6 mm (1.6 in)	9 years	60 of 100 (Major)
12 September 1978	Tagus, US	daily rain	53.3 mm (2.1 in)	46.7 mm (1.8 in)	48 years	59 of 100 (Notable)
12 September 1978	Washburn, US	monthly rain	76.7 mm (3.0 in)	15.7 mm (0.6 in)	77 years	59 of 100 (Notable)
12 September 1978	Hinckley, US	daily rain	67.3 mm (2.6 in)	35.0 mm (1.4 in)	60 years	58 of 100 (Notable)
12 September 1978	Poplar 2 E, US	daily rain	40.6 mm (1.6 in)	20.3 mm (0.8 in)	84 years	58 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

1793 to 1978

Records set or tied on this calendar date in each year from 1793 to 1978. 1978 had 952 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 1978-09-12: 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	705
20 to 40	74
40 to 60	22
60 to 80	3
80 to 100	0
100 to 120	1
120 to 140	2