Weather Records on 18 September 1950

370 weather records were set or tied worldwide on 18 September 1950. Highest significance: Prantij, IN.

Key Facts for 18 September 1950

On 18 September 1950, 370 weather records were set or tied at long-record stations worldwide.
20 were record highs and 100 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 13 monthly and 353 daily.
Prantij set an all-time record daily precipitation of 384.8 mm (15.1 in) on 18 September 1950.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 422 records.

Record Map

370 stations

370 station records on 18 September 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Prantij	India	Record daily precipitation	384.8 mm (15.1 in)	71 of 100 (Major)
Jagraon	India	Record daily precipitation	433.6 mm (17.1 in)	65 of 100 (Major)
Modasa	India	Record daily precipitation	369.3 mm (14.5 in)	59 of 100 (Notable)
Idar	India	Record daily precipitation	234.7 mm (9.2 in)	57 of 100 (Notable)
Deesa	India	Record daily precipitation	126.5 mm (5.0 in)	55 of 100 (Notable)
Ramanagar	India	Record daily precipitation	223.5 mm (8.8 in)	55 of 100 (Notable)
Kherwara	India	Record daily precipitation	208.5 mm (8.2 in)	55 of 100 (Notable)
Pokegama Dam	United States	Record daily precipitation	68.1 mm (2.7 in)	54 of 100 (Notable)
Ahmadabad	India	Record daily precipitation	224.5 mm (8.8 in)	53 of 100 (Notable)
Moyhu	Australia	Record daily precipitation	45.7 mm (1.8 in)	52 of 100 (Notable)
Sanand	India	Record daily precipitation	142.5 mm (5.6 in)	51 of 100 (Notable)
Tibri	India	Record daily precipitation	231.1 mm (9.1 in)	50 of 100 (Notable)
Desuri	India	Record daily precipitation	152.4 mm (6.0 in)	48 of 100 (Notable)
Winnibigoshish Dam	United States	Record daily precipitation	76.2 mm (3.0 in)	46 of 100 (Notable)
Tonk	India	Record daily precipitation	171.5 mm (6.8 in)	45 of 100 (Notable)
Anantnag	India	Record daily precipitation	75.4 mm (3.0 in)	44 of 100 (Notable)
Grand Rapids Forestry Lab	United States	Record daily precipitation	68.6 mm (2.7 in)	44 of 100 (Notable)
Zira	India	Record daily precipitation	97.8 mm (3.9 in)	43 of 100 (Notable)
Batala	India	Record daily precipitation	171.5 mm (6.8 in)	42 of 100 (Notable)
Sri Ranbirsingh	India	Record daily precipitation	139.7 mm (5.5 in)	41 of 100 (Notable)
Udaipur	India	Record daily precipitation	183.9 mm (7.2 in)	41 of 100 (Notable)
Lunawada	India	Record daily precipitation	101.6 mm (4.0 in)	40 of 100 (Notable)
Neemuch	India	Record daily precipitation	85.1 mm (3.4 in)	40 of 100 (Notable)
Shahpura	India	Record daily precipitation	67.3 mm (2.6 in)	40 of 100 (Notable)
Itasca UNIV of Minn	United States	Record daily precipitation	38.9 mm (1.5 in)	40 of 100 (Notable)
Wahpeton 3 N	United States	Record daily precipitation	42.4 mm (1.7 in)	38 of 100 (Notable)
Glenelg	Australia	Record daily precipitation	72.6 mm (2.9 in)	37 of 100 (Notable)
Tower 2S	United States	Record daily precipitation	46.5 mm (1.8 in)	37 of 100 (Notable)
Anand	India	Record daily precipitation	149.1 mm (5.9 in)	36 of 100 (Notable)
Simcoe	Canada	Record low minimum temperature	0.0 C (32.0 F)	34 of 100 (Routine)
Kistwar	India	Record daily precipitation	76.2 mm (3.0 in)	34 of 100 (Routine)
Poonch	India	Record daily precipitation	57.2 mm (2.3 in)	34 of 100 (Routine)
Radhanpur	India	Record daily precipitation	62.2 mm (2.4 in)	33 of 100 (Routine)
Kaira	India	Record daily precipitation	136.1 mm (5.4 in)	33 of 100 (Routine)
Goela	India	Record daily precipitation	83.8 mm (3.3 in)	33 of 100 (Routine)
Ferozepur City	India	Record daily precipitation	77.5 mm (3.1 in)	32 of 100 (Routine)
Ferozepur Sadar	India	Record daily precipitation	76.2 mm (3.0 in)	32 of 100 (Routine)
Lalsot	India	Record daily precipitation	139.7 mm (5.5 in)	32 of 100 (Routine)
Clanton	United States	Record daily precipitation	45.0 mm (1.8 in)	32 of 100 (Routine)
Tekkali	India	Record daily precipitation	65.3 mm (2.6 in)	31 of 100 (Routine)
Dharmsala Lower	India	Record daily precipitation	111.8 mm (4.4 in)	31 of 100 (Routine)
Banswara	India	Record daily precipitation	125.2 mm (4.9 in)	31 of 100 (Routine)
De Sabla	United States	Record daily precipitation	44.2 mm (1.7 in)	31 of 100 (Routine)
Campbell	United States	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)
Mahudha	India	Record daily precipitation	85.1 mm (3.4 in)	30 of 100 (Routine)
Bemidji	United States	Record daily precipitation	44.2 mm (1.7 in)	30 of 100 (Routine)
Oshkosh	United States	Record daily precipitation	72.6 mm (2.9 in)	30 of 100 (Routine)
Darbys Falls (Riverslea)	Australia	Record daily precipitation	38.1 mm (1.5 in)	29 of 100 (Routine)
Fazilka	India	Record daily precipitation	78.0 mm (3.1 in)	29 of 100 (Routine)
Mc Leod 3 E	United States	Record daily precipitation	35.6 mm (1.4 in)	29 of 100 (Routine)
Stevens Pt	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Mandal	India	Record daily precipitation	95.3 mm (3.8 in)	28 of 100 (Routine)
Manistee 3SE	United States	Record daily precipitation	41.9 mm (1.6 in)	28 of 100 (Routine)
Mio Hydro Plt	United States	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Crookston NW Exp STN	United States	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Kapadvanj	India	Record daily precipitation	163.3 mm (6.4 in)	27 of 100 (Routine)
Jambughoda Sr	India	Record daily precipitation	66.3 mm (2.6 in)	27 of 100 (Routine)
Hoshiarpur	India	Record daily precipitation	109.0 mm (4.3 in)	27 of 100 (Routine)
Garhi	India	Record daily precipitation	177.8 mm (7.0 in)	27 of 100 (Routine)
Hyannis	United States	Record low minimum temperature	5.6 C (42.1 F)	27 of 100 (Routine)

Counts by Type and Timescale

370 records

Records set or tied on 18 September 1950 by type: Highest daily maximum 6, Lowest daily maximum 41, Highest daily minimum 14, Lowest daily minimum 59, Heaviest daily rainfall 250.

Records on 18 September 1950 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	41
Highest daily minimum	14
Lowest daily minimum	59
Heaviest daily rainfall	250
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1950 by timescale: all-time 4, monthly 13, daily 353.

How Much Records Were Beaten By

306 broken records

Margins by which the 306 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 257.5. Ties are not counted.

Top 20 by Significance

18 September 1950

Top 20 records on 18 September 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1950	Prantij, IN	all-time rain	384.8 mm (15.1 in)	114.5 mm (4.5 in)	23 years	71 of 100 (Major)
18 September 1950	Jagraon, IN	all-time rain	433.6 mm (17.1 in)	217.7 mm (8.6 in)	2 years	65 of 100 (Major)
18 September 1950	Modasa, IN	monthly rain	369.3 mm (14.5 in)	257.5 mm (10.1 in)	16 years	59 of 100 (Notable)
18 September 1950	Idar, IN	monthly rain	234.7 mm (9.2 in)	89.9 mm (3.5 in)	6 years	57 of 100 (Notable)
18 September 1950	Deesa, IN	daily rain	126.5 mm (5.0 in)	98.1 mm (3.9 in)	36 years	55 of 100 (Notable)
18 September 1950	Ramanagar, IN	all-time rain	223.5 mm (8.8 in)	50.8 mm (2.0 in)	45 years	55 of 100 (Notable)
18 September 1950	Kherwara, IN	monthly rain	208.5 mm (8.2 in)	93.7 mm (3.7 in)	1 year	55 of 100 (Notable)
18 September 1950	Pokegama Dam, US	daily rain	68.1 mm (2.7 in)	40.2 mm (1.6 in)	44 years	54 of 100 (Notable)
18 September 1950	Ahmadabad, IN	daily rain	224.5 mm (8.8 in)	191.0 mm (7.5 in)	27 years	53 of 100 (Notable)
18 September 1950	Moyhu, AU	daily rain	45.7 mm (1.8 in)	38.8 mm (1.5 in)	24 years	52 of 100 (Notable)
18 September 1950	Sanand, IN	daily rain	142.5 mm (5.6 in)	88.1 mm (3.5 in)	36 years	51 of 100 (Notable)
18 September 1950	Tibri, IN	daily rain	231.1 mm (9.1 in)	148.5 mm (5.8 in)	16 years	50 of 100 (Notable)
18 September 1950	Desuri, IN	daily rain	152.4 mm (6.0 in)	90.2 mm (3.6 in)	32 years	48 of 100 (Notable)
18 September 1950	Winnibigoshish Dam, US	daily rain	76.2 mm (3.0 in)	51.3 mm (2.0 in)	5 years	46 of 100 (Notable)
18 September 1950	Tonk, IN	monthly rain	171.5 mm (6.8 in)	57.2 mm (2.3 in)	7 years	45 of 100 (Notable)
18 September 1950	Anantnag, IN	daily rain	75.4 mm (3.0 in)	66.5 mm (2.6 in)	16 years	44 of 100 (Notable)
18 September 1950	Grand Rapids Forestry Lab, US	daily rain	68.6 mm (2.7 in)	51.3 mm (2.0 in)	4 years	44 of 100 (Notable)
18 September 1950	Zira, IN	daily rain	97.8 mm (3.9 in)	69.1 mm (2.7 in)	36 years	43 of 100 (Notable)
18 September 1950	Batala, IN	daily rain	171.5 mm (6.8 in)	101.1 mm (4.0 in)	16 years	42 of 100 (Notable)
18 September 1950	Sri Ranbirsingh, IN	daily rain	139.7 mm (5.5 in)	83.8 mm (3.3 in)	28 years	41 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

1803 to 1950

Records set or tied on this calendar date in each year from 1803 to 1950. 1950 had 370 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 1950-09-18: 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 50	280
50 to 100	20
100 to 150	3
150 to 200	1
200 to 250	1
250 to 300	1