Weather Records on 18 August 1931

241 weather records were set or tied worldwide on 18 August 1931. Highest significance: Jalalpur, IN.

Key Facts for 18 August 1931

On 18 August 1931, 241 weather records were set or tied at long-record stations worldwide.
95 were record highs and 28 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 3 monthly and 236 daily.
Jalalpur set a daily record precipitation of 156.2 mm (6.1 in) on 18 August 1931.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 442 records.

Record Map

241 stations

241 station records on 18 August 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jalalpur	India	Record daily precipitation	156.2 mm (6.1 in)	51 of 100 (Notable)
Sachor	India	Record daily precipitation	213.4 mm (8.4 in)	50 of 100 (Notable)
Bhaunagar	India	Record daily precipitation	73.9 mm (2.9 in)	49 of 100 (Notable)
Bansda	India	Record daily precipitation	185.2 mm (7.3 in)	49 of 100 (Notable)
Sakri	India	Record daily precipitation	36.1 mm (1.4 in)	48 of 100 (Notable)
Bhim (Dawer)	India	Record daily precipitation	122.9 mm (4.8 in)	47 of 100 (Notable)
Chikhli	India	Record daily precipitation	144.8 mm (5.7 in)	45 of 100 (Notable)
Prantij	India	Record daily precipitation	127.0 mm (5.0 in)	45 of 100 (Notable)
Panchgani	India	Record daily precipitation	81.3 mm (3.2 in)	43 of 100 (Notable)
Deesa	India	Record daily precipitation	251.5 mm (9.9 in)	40 of 100 (Notable)
Ankleshwar	India	Record daily precipitation	81.8 mm (3.2 in)	39 of 100 (Notable)
Sevastopol',Mgs	Ukraine	Record daily precipitation	42.1 mm (1.7 in)	38 of 100 (Notable)
Serampore	India	Record daily precipitation	90.7 mm (3.6 in)	37 of 100 (Notable)
Ozark	United States	Record daily precipitation	83.8 mm (3.3 in)	36 of 100 (Notable)
Valod	India	Record daily precipitation	79.2 mm (3.1 in)	35 of 100 (Notable)
Rockwell City	United States	Record daily precipitation	43.2 mm (1.7 in)	35 of 100 (Notable)
Bardoli	India	Record daily precipitation	62.2 mm (2.4 in)	34 of 100 (Routine)
Fort Chipewyan	Canada	Record high minimum temperature	23.9 C (75.0 F)	33 of 100 (Routine)
Songadh	India	Record daily precipitation	36.8 mm (1.4 in)	32 of 100 (Routine)
Bali	India	Record daily precipitation	173.2 mm (6.8 in)	32 of 100 (Routine)
Vagra	India	Record daily precipitation	50.0 mm (2.0 in)	31 of 100 (Routine)
Bamberg (Sternwarte)	Germany	Record daily precipitation	27.3 mm (1.1 in)	30 of 100 (Routine)
Navapur	India	Record daily precipitation	49.8 mm (2.0 in)	30 of 100 (Routine)
Sigourney	United States	Record daily precipitation	40.1 mm (1.6 in)	27 of 100 (Routine)
Ebrach	Germany	Record daily precipitation	28.9 mm (1.1 in)	26 of 100 (Routine)
Pali	India	Record daily precipitation	64.5 mm (2.5 in)	26 of 100 (Routine)
Sojat	India	Record daily precipitation	86.1 mm (3.4 in)	26 of 100 (Routine)
Parker	United States	Record high minimum temperature	32.2 C (90.0 F)	26 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Olpad	India	Record daily precipitation	41.4 mm (1.6 in)	25 of 100 (Routine)
Peint	India	Record daily precipitation	96.0 mm (3.8 in)	25 of 100 (Routine)
Louisville 1 E	United States	Record daily precipitation	50.0 mm (2.0 in)	23 of 100 (Routine)
Abbeville	United States	Record daily precipitation	37.3 mm (1.5 in)	23 of 100 (Routine)
Bamberg	Germany	Record low maximum temperature	15.7 C (60.3 F)	22 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Kalispell Glacier AP	United States	Record high minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Blanco	United States	Record low minimum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Bowling Green Warren Co AP	United States	Record daily precipitation	43.7 mm (1.7 in)	22 of 100 (Routine)
Parrsboro	Canada	Record high minimum temperature	18.3 C (64.9 F)	21 of 100 (Routine)
Port Said	Egypt	Record high maximum temperature	36.0 C (96.8 F)	21 of 100 (Routine)
Dhoraji	India	Record daily precipitation	40.1 mm (1.6 in)	21 of 100 (Routine)
Surat	India	Record daily precipitation	35.8 mm (1.4 in)	21 of 100 (Routine)
Bucuresti Filaret	Romania	Record daily precipitation	36.6 mm (1.4 in)	21 of 100 (Routine)
Dillon U of Montana Western	United States	Record high minimum temperature	18.3 C (64.9 F)	21 of 100 (Routine)
Clark	United States	Record high maximum temperature	37.2 C (99.0 F)	21 of 100 (Routine)
Bamberg	Germany	Record daily precipitation	24.8 mm (1.0 in)	20 of 100 (Routine)
Sydney	Canada	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Nandurbar	India	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Kaiserslautern	Germany	Record daily precipitation	19.4 mm (0.8 in)	20 of 100 (Routine)
Ilav	India	Record daily precipitation	40.1 mm (1.6 in)	20 of 100 (Routine)
Chowghat	India	Record daily precipitation	68.8 mm (2.7 in)	20 of 100 (Routine)
Khushalgarh	India	Record daily precipitation	50.8 mm (2.0 in)	20 of 100 (Routine)
Siwana	India	Record daily precipitation	71.1 mm (2.8 in)	20 of 100 (Routine)
Svenska Hogarna	Sweden	Record daily precipitation	13.3 mm (0.5 in)	20 of 100 (Routine)
Stockholm	Sweden	Record daily precipitation	13.4 mm (0.5 in)	20 of 100 (Routine)
Baxter	United States	Record daily precipitation	55.9 mm (2.2 in)	20 of 100 (Routine)
Atlantic City Marina	United States	Record high maximum temperature	32.2 C (90.0 F)	20 of 100 (Routine)
Vysnij Volocek	Russia	Record daily precipitation	22.4 mm (0.9 in)	19 of 100 (Routine)
Kunzelsau	Germany	Record daily precipitation	23.6 mm (0.9 in)	18 of 100 (Routine)
Columbia Falls 5 SW	United States	Record high minimum temperature	20.0 C (68.0 F)	18 of 100 (Routine)

Counts by Type and Timescale

241 records

Records set or tied on 18 August 1931 by type: Highest daily maximum 52, Lowest daily maximum 11, Highest daily minimum 43, Lowest daily minimum 17, Heaviest daily rainfall 118.

Records on 18 August 1931 by type
Record type	Records
Highest daily maximum	52
Lowest daily maximum	11
Highest daily minimum	43
Lowest daily minimum	17
Heaviest daily rainfall	118
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1931 by timescale: all-time 2, monthly 3, daily 236.

How Much Records Were Beaten By

190 broken records

Margins by which the 190 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 137.9. Ties are not counted.

Top 20 by Significance

18 August 1931

Top 20 records on 18 August 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1931	Jalalpur, IN	daily rain	156.2 mm (6.1 in)	137.9 mm (5.4 in)	29 years	51 of 100 (Notable)
18 August 1931	Sachor, IN	daily rain	213.4 mm (8.4 in)	124.0 mm (4.9 in)	24 years	50 of 100 (Notable)
18 August 1931	Bhaunagar, IN	daily rain	73.9 mm (2.9 in)	71.1 mm (2.8 in)	20 years	49 of 100 (Notable)
18 August 1931	Bansda, IN	daily rain	185.2 mm (7.3 in)	129.1 mm (5.1 in)	22 years	49 of 100 (Notable)
18 August 1931	Sakri, IN	daily rain	36.1 mm (1.4 in)	28.5 mm (1.1 in)	24 years	48 of 100 (Notable)
18 August 1931	Bhim (Dawer), IN	daily rain	122.9 mm (4.8 in)	104.4 mm (4.1 in)	24 years	47 of 100 (Notable)
18 August 1931	Chikhli, IN	daily rain	144.8 mm (5.7 in)	118.1 mm (4.6 in)	9 years	45 of 100 (Notable)
18 August 1931	Prantij, IN	daily rain	127.0 mm (5.0 in)	80.0 mm (3.1 in)	24 years	45 of 100 (Notable)
18 August 1931	Panchgani, IN	daily rain	81.3 mm (3.2 in)	45.2 mm (1.8 in)	25 years	43 of 100 (Notable)
18 August 1931	Deesa, IN	daily rain	251.5 mm (9.9 in)	97.3 mm (3.8 in)	24 years	40 of 100 (Notable)
18 August 1931	Ankleshwar, IN	daily rain	81.8 mm (3.2 in)	53.9 mm (2.1 in)	12 years	39 of 100 (Notable)
18 August 1931	Sevastopol',Mgs, UA	daily rain	42.1 mm (1.7 in)	24.8 mm (1.0 in)	13 years	38 of 100 (Notable)
18 August 1931	Serampore, IN	daily rain	90.7 mm (3.6 in)	44.2 mm (1.7 in)	24 years	37 of 100 (Notable)
18 August 1931	Ozark, US	daily rain	83.8 mm (3.3 in)	51.3 mm (2.0 in)	20 years	36 of 100 (Notable)
18 August 1931	Valod, IN	daily rain	79.2 mm (3.1 in)	58.4 mm (2.3 in)	22 years	35 of 100 (Notable)
18 August 1931	Rockwell City, US	daily rain	43.2 mm (1.7 in)	35.6 mm (1.4 in)	25 years	35 of 100 (Notable)
18 August 1931	Bardoli, IN	daily rain	62.2 mm (2.4 in)	48.0 mm (1.9 in)	22 years	34 of 100 (Routine)
18 August 1931	Fort Chipewyan, CA	all-time high min	23.9 C (75.0 F)	1.1 C (2.0 F)	25 years	33 of 100 (Routine)
18 August 1931	Songadh, IN	daily rain	36.8 mm (1.4 in)	34.3 mm (1.4 in)	24 years	32 of 100 (Routine)
18 August 1931	Bali, IN	all-time rain	173.2 mm (6.8 in)	5.6 mm (0.22 in)	25 years	32 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

1797 to 1931

Records set or tied on this calendar date in each year from 1797 to 1931. 1931 had 241 records.

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

Records on 08-18 in each year
Year	Records
1797	2
1805	1
1816	1
1827	1
1829	1
1830	1
1833	1
1841	1
1844	1
1845	3
1846	1
1847	1
1849	1
1851	1
1852	1
1853	1
1854	2
1855	1
1856	1
1861	1
1864	2
1866	1
1868	2
1869	1
1870	2
1872	1
1873	1
1875	3
1876	1
1878	1
1879	2
1883	3
1885	3
1886	3
1887	3
1888	2
1889	1
1890	1
1891	2
1892	6
1893	4
1894	4
1895	1
1898	4
1899	6
1900	2
1901	10
1902	8
1903	6
1904	8
1905	10
1906	40
1907	7
1908	21
1909	24
1910	16
1911	11
1912	21
1913	43
1914	37
1915	60
1916	71
1917	70
1918	53
1919	34
1920	51
1921	39
1922	129
1923	90
1924	225
1925	300
1926	168
1927	269
1928	141
1929	181
1930	150
1931	241
1932	382
1933	431
1934	638
1935	424
1936	766
1937	308
1938	243
1939	381
1940	434
1941	467
1942	333
1943	738
1944	325
1945	400
1946	416
1947	958
1948	315
1949	393
1950	683
1951	355
1952	405
1953	323
1954	622
1955	795
1956	580
1957	380
1958	580
1959	537
1960	599
1961	415
1962	428
1963	760
1964	443
1965	525
1966	573
1967	623
1968	795
1969	530
1970	597
1971	381
1972	493
1973	734
1974	639
1975	844
1976	917
1977	1,112
1978	854
1979	1,309
1980	771
1981	1,386
1982	563
1983	1,420
1984	600
1985	765
1986	861
1987	1,609
1988	1,351
1989	952
1990	920
1991	533
1992	1,497
1993	706
1994	1,027
1995	1,882
1996	760
1997	1,191
1998	923
1999	888
2000	1,183
2001	1,036
2002	1,306
2003	860
2004	1,050
2005	865
2006	842
2007	1,116
2008	1,265
2009	839
2010	1,167
2011	1,239
2012	1,247
2013	752
2014	751
2015	880
2016	704
2017	565
2018	462
2019	615
2020	1,541
2021	1,118
2022	1,237
2023	1,094
2024	696
2025	455
2026	545

Download the Data

Data for records on 1931-08-18: 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 20	157
20 to 40	14
40 to 60	11
60 to 80	1
80 to 100	2
100 to 120	2
120 to 140	3