Weather Records on 18 October 1940

532 weather records were set or tied worldwide on 18 October 1940. Highest significance: Rajpipla(Nandod), IN.

Key Facts for 18 October 1940

On 18 October 1940, 532 weather records were set or tied at long-record stations worldwide.
304 were record highs and 92 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 19 monthly and 513 daily.
Rajpipla(Nandod) set a monthly record daily precipitation of 156.2 mm (6.1 in) on 18 October 1940.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 433 records.

Record Map

532 stations

532 station records on 18 October 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rajpipla(Nandod)	India	Record daily precipitation	156.2 mm (6.1 in)	60 of 100 (Major)
Bulsar Obsy Sr	India	Record daily precipitation	254.5 mm (10.0 in)	56 of 100 (Notable)
Pardi	India	Record daily precipitation	105.4 mm (4.1 in)	55 of 100 (Notable)
Bella Coola	Canada	Record daily precipitation	79.2 mm (3.1 in)	52 of 100 (Notable)
Bansda	India	Record daily precipitation	95.8 mm (3.8 in)	52 of 100 (Notable)
Indore	India	Record daily precipitation	76.5 mm (3.0 in)	52 of 100 (Notable)
Devgad	India	Record daily precipitation	162.1 mm (6.4 in)	51 of 100 (Notable)
Taloda	India	Record daily precipitation	86.6 mm (3.4 in)	50 of 100 (Notable)
Agar	India	Record daily precipitation	61.0 mm (2.4 in)	49 of 100 (Notable)
Jambughoda Sr	India	Record daily precipitation	64.0 mm (2.5 in)	40 of 100 (Notable)
Barabazar	India	Record daily precipitation	95.3 mm (3.8 in)	39 of 100 (Notable)
Girona (Antic Institut)	Spain	Record daily precipitation	64.3 mm (2.5 in)	38 of 100 (Notable)
Khairee	India	Record daily precipitation	78.7 mm (3.1 in)	37 of 100 (Notable)
Rivers Inlet	Canada	Record daily precipitation	70.4 mm (2.8 in)	35 of 100 (Notable)
Tiruvaiyaru	India	Record daily precipitation	84.1 mm (3.3 in)	35 of 100 (Notable)
Gadhchiroli	India	Record daily precipitation	64.8 mm (2.6 in)	34 of 100 (Routine)
Portland Rfc City	United States	Record high minimum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Nandurbar	India	Record daily precipitation	72.6 mm (2.9 in)	33 of 100 (Routine)
Shahada	India	Record daily precipitation	51.6 mm (2.0 in)	33 of 100 (Routine)
Mandvi	India	Record daily precipitation	47.5 mm (1.9 in)	30 of 100 (Routine)
Shujalpur	India	Record daily precipitation	55.9 mm (2.2 in)	30 of 100 (Routine)
Quinault Rs	United States	Record daily precipitation	108.2 mm (4.3 in)	30 of 100 (Routine)
Amod	India	Record daily precipitation	44.2 mm (1.7 in)	29 of 100 (Routine)
Alirajpur/Rajpur	India	Record daily precipitation	40.1 mm (1.6 in)	29 of 100 (Routine)
Deobhog	India	Record daily precipitation	48.8 mm (1.9 in)	29 of 100 (Routine)
Port Townsend	United States	Record high minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Vancouver 4 NNE	United States	Record high maximum temperature	27.2 C (81.0 F)	29 of 100 (Routine)
Willapa Harbor	United States	Record high minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Halol	India	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Kennewick	United States	Record high maximum temperature	30.6 C (87.1 F)	28 of 100 (Routine)
Vashon Island	United States	Record high minimum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Salem AP (McNary Field)	United States	Record high maximum temperature	28.9 C (84.0 F)	28 of 100 (Routine)
Ft Bidwell	United States	Record high maximum temperature	27.2 C (81.0 F)	27 of 100 (Routine)
Bardoli	India	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Kudal	India	Record daily precipitation	37.6 mm (1.5 in)	26 of 100 (Routine)
Cedar Lake	United States	Record high minimum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
Vancouver 4 NNE	United States	Record high minimum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
N Bend SW Oregon Rgnl AP	United States	Record high maximum temperature	28.3 C (82.9 F)	26 of 100 (Routine)
Quatsino	Canada	Record daily precipitation	68.3 mm (2.7 in)	25 of 100 (Routine)
Falls City 2 SSW	United States	Record high minimum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Port Orford 2	United States	Record high minimum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Banff	Canada	Record high minimum temperature	8.9 C (48.0 F)	24 of 100 (Routine)
Bic	Canada	Record daily snowfall	5.1 cm (2.0 in)	24 of 100 (Routine)
Rajauli	India	Record daily precipitation	41.7 mm (1.6 in)	24 of 100 (Routine)
Arang	India	Record daily precipitation	52.6 mm (2.1 in)	24 of 100 (Routine)
Portland Rfc City	United States	Record high maximum temperature	26.7 C (80.1 F)	24 of 100 (Routine)
Seattle Urban Site	United States	Record high minimum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
D.Baria	India	Record daily precipitation	25.1 mm (1.0 in)	23 of 100 (Routine)
Khandwa	India	Record daily precipitation	50.8 mm (2.0 in)	23 of 100 (Routine)
Astoria	United States	Record high minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Umatilla	United States	Record high maximum temperature	30.0 C (86.0 F)	23 of 100 (Routine)
Aberdeen	United States	Record high minimum temperature	15.6 C (60.1 F)	23 of 100 (Routine)
Bellingham	United States	Record high maximum temperature	22.8 C (73.0 F)	23 of 100 (Routine)
Rosalia	United States	Record high minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Sedro-Woolley	United States	Record high minimum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Newport	United States	Record high minimum temperature	16.1 C (61.0 F)	23 of 100 (Routine)
Chita	Russia	Record low minimum temperature	-22.6 C (-8.7 F)	22 of 100 (Routine)
El Cajon 2 E	United States	Record high maximum temperature	40.0 C (104.0 F)	22 of 100 (Routine)
Escondido	United States	Record high maximum temperature	37.8 C (100.0 F)	22 of 100 (Routine)
Elmira	United States	Record low maximum temperature	3.3 C (37.9 F)	22 of 100 (Routine)

Counts by Type and Timescale

532 records

Records set or tied on 18 October 1940 by type: Highest daily maximum 176, Lowest daily maximum 26, Highest daily minimum 128, Lowest daily minimum 66, Heaviest daily rainfall 132, Heaviest daily snowfall 4.

Records on 18 October 1940 by type
Record type	Records
Highest daily maximum	176
Lowest daily maximum	26
Highest daily minimum	128
Lowest daily minimum	66
Heaviest daily rainfall	132
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 18 October 1940 by timescale: all-time 0, monthly 19, daily 513.

How Much Records Were Beaten By

427 broken records

Margins by which the 427 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 168.6. Ties are not counted.

Top 20 by Significance

18 October 1940

Top 20 records on 18 October 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 1940	Rajpipla(Nandod), IN	monthly rain	156.2 mm (6.1 in)	71.1 mm (2.8 in)	22 years	60 of 100 (Major)
18 October 1940	Bulsar Obsy Sr, IN	monthly rain	254.5 mm (10.0 in)	168.6 mm (6.6 in)	9 years	56 of 100 (Notable)
18 October 1940	Pardi, IN	daily rain	105.4 mm (4.1 in)	105.1 mm (4.1 in)	39 years	55 of 100 (Notable)
18 October 1940	Bella Coola, CA	daily rain	79.2 mm (3.1 in)	58.9 mm (2.3 in)	27 years	52 of 100 (Notable)
18 October 1940	Bansda, IN	daily rain	95.8 mm (3.8 in)	70.4 mm (2.8 in)	39 years	52 of 100 (Notable)
18 October 1940	Indore, IN	daily rain	76.5 mm (3.0 in)	75.2 mm (3.0 in)	29 years	52 of 100 (Notable)
18 October 1940	Devgad, IN	daily rain	162.1 mm (6.4 in)	145.6 mm (5.7 in)	24 years	51 of 100 (Notable)
18 October 1940	Taloda, IN	daily rain	86.6 mm (3.4 in)	53.6 mm (2.1 in)	39 years	50 of 100 (Notable)
18 October 1940	Agar, IN	daily rain	61.0 mm (2.4 in)	59.5 mm (2.3 in)	24 years	49 of 100 (Notable)
18 October 1940	Jambughoda Sr, IN	daily rain	64.0 mm (2.5 in)	64.0 mm (2.5 in)	39 years	40 of 100 (Notable)
18 October 1940	Barabazar, IN	daily rain	95.3 mm (3.8 in)	65.1 mm (2.6 in)	1 year	39 of 100 (Notable)
18 October 1940	Girona (Antic Institut), ES	daily rain	64.3 mm (2.5 in)	37.3 mm (1.5 in)	29 years	38 of 100 (Notable)
18 October 1940	Khairee, IN	daily rain	78.7 mm (3.1 in)	74.9 mm (2.9 in)	11 years	37 of 100 (Notable)
18 October 1940	Rivers Inlet, CA	daily rain	70.4 mm (2.8 in)	36.1 mm (1.4 in)	42 years	35 of 100 (Notable)
18 October 1940	Tiruvaiyaru, IN	daily rain	84.1 mm (3.3 in)	52.6 mm (2.1 in)	12 years	35 of 100 (Notable)
18 October 1940	Gadhchiroli, IN	daily rain	64.8 mm (2.6 in)	60.7 mm (2.4 in)	7 years	34 of 100 (Routine)
18 October 1940	Portland Rfc City, US	daily high min	15.6 C (60.1 F)	2.8 C (5.0 F)	64 years	34 of 100 (Routine)
18 October 1940	Nandurbar, IN	daily rain	72.6 mm (2.9 in)	32.5 mm (1.3 in)	39 years	33 of 100 (Routine)
18 October 1940	Shahada, IN	daily rain	51.6 mm (2.0 in)	31.3 mm (1.2 in)	39 years	33 of 100 (Routine)
18 October 1940	Mandvi, IN	daily rain	47.5 mm (1.9 in)	26.2 mm (1.0 in)	39 years	30 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

1794 to 1940

Records set or tied on this calendar date in each year from 1794 to 1940. 1940 had 532 records.

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

Records on 10-18 in each year
Year	Records
1794	1
1796	1
1799	1
1806	1
1807	1
1810	1
1811	2
1817	1
1832	1
1835	1
1836	1
1843	1
1846	2
1848	1
1849	1
1851	1
1852	1
1859	1
1863	1
1865	2
1866	2
1868	1
1869	1
1871	1
1872	1
1874	4
1876	2
1877	2
1879	3
1881	1
1882	1
1883	2
1887	1
1888	1
1890	4
1892	4
1893	1
1894	3
1895	2
1897	6
1898	5
1899	12
1900	5
1901	5
1902	6
1903	9
1904	12
1905	27
1906	17
1907	11
1908	44
1909	23
1910	50
1911	22
1912	12
1913	26
1914	52
1915	12
1916	64
1917	109
1918	24
1919	31
1920	87
1921	87
1922	59
1923	114
1924	151
1925	153
1926	149
1927	309
1928	316
1929	190
1930	507
1931	350
1932	446
1933	264
1934	222
1935	360
1936	483
1937	671
1938	536
1939	475
1940	532
1941	240
1942	332
1943	844
1944	264
1945	398
1946	355
1947	965
1948	1,128
1949	665
1950	996
1951	325
1952	394
1953	678
1954	621
1955	403
1956	578
1957	220
1958	407
1959	246
1960	612
1961	362
1962	252
1963	492
1964	311
1965	1,066
1966	613
1967	405
1968	737
1969	789
1970	501
1971	1,199
1972	1,581
1973	789
1974	746
1975	779
1976	1,326
1977	533
1978	545
1979	555
1980	1,024
1981	680
1982	654
1983	684
1984	1,331
1985	831
1986	344
1987	518
1988	733
1989	1,196
1990	1,043
1991	999
1992	1,295
1993	1,051
1994	1,296
1995	1,227
1996	795
1997	1,240
1998	1,323
1999	773
2000	823
2001	818
2002	878
2003	1,097
2004	1,156
2005	755
2006	1,328
2007	1,298
2008	531
2009	1,546
2010	634
2011	736
2012	741
2013	430
2014	690
2015	915
2016	1,511
2017	590
2018	759
2019	346
2020	957
2021	387
2022	1,334
2023	693
2024	1,142
2025	367

Download the Data

Data for records on 1940-10-18: 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 25	396
25 to 50	17
50 to 75	10
75 to 100	1
100 to 125	1
125 to 150	1
150 to 175	1