Weather Records on 18 August 1942

333 weather records were set or tied worldwide on 18 August 1942. Highest significance: Bhimunipatnam, IN.

Key Facts for 18 August 1942

On 18 August 1942, 333 weather records were set or tied at long-record stations worldwide.
106 were record highs and 66 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 325 daily.
Bhimunipatnam set a monthly record daily precipitation of 163.8 mm (6.4 in) on 18 August 1942.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 442 records.

Record Map

333 stations

333 station records on 18 August 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bhimunipatnam	India	Record daily precipitation	163.8 mm (6.4 in)	63 of 100 (Major)
Kolar	India	Record daily precipitation	103.1 mm (4.1 in)	51 of 100 (Notable)
Talcher	India	Record daily precipitation	106.7 mm (4.2 in)	51 of 100 (Notable)
Miva	Australia	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
Sultanpur	India	Record daily precipitation	162.6 mm (6.4 in)	48 of 100 (Notable)
Sable Island	Canada	Record high minimum temperature	23.9 C (75.0 F)	47 of 100 (Notable)
Menard	United States	Record daily precipitation	119.4 mm (4.7 in)	47 of 100 (Notable)
Ghazipur	India	Record daily precipitation	128.5 mm (5.1 in)	41 of 100 (Notable)
Waratah (Mount Road)	Australia	Record daily precipitation	61.7 mm (2.4 in)	40 of 100 (Notable)
Samnanger	Norway	Record daily precipitation	92.5 mm (3.6 in)	40 of 100 (Notable)
Columbus 4 ESE	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Kharsawan	India	Record daily precipitation	190.2 mm (7.5 in)	39 of 100 (Notable)
Tiruchengode	India	Record daily precipitation	71.1 mm (2.8 in)	37 of 100 (Notable)
Carthage	United States	Record daily precipitation	102.1 mm (4.0 in)	37 of 100 (Notable)
La Grange	United States	Record daily precipitation	47.0 mm (1.9 in)	37 of 100 (Notable)
Bronte Heights	Australia	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Banff	Canada	Record high minimum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Vanur	India	Record daily precipitation	79.2 mm (3.1 in)	35 of 100 (Notable)
Dhaneta	India	Record daily precipitation	63.5 mm (2.5 in)	34 of 100 (Routine)
Kosciusko	United States	Record daily precipitation	67.1 mm (2.6 in)	34 of 100 (Routine)
Kamasin	India	Record daily precipitation	129.5 mm (5.1 in)	33 of 100 (Routine)
Winnsboro	United States	Record daily precipitation	80.0 mm (3.1 in)	33 of 100 (Routine)
Tauru(Uaoru)	India	Record daily precipitation	78.7 mm (3.1 in)	32 of 100 (Routine)
Katwa	India	Record daily precipitation	97.8 mm (3.9 in)	32 of 100 (Routine)
Kangayam	India	Record daily precipitation	99.1 mm (3.9 in)	31 of 100 (Routine)
Cheraw	United States	Record daily precipitation	69.1 mm (2.7 in)	31 of 100 (Routine)
Krishnanagar	India	Record daily precipitation	80.8 mm (3.2 in)	30 of 100 (Routine)
Novorossijsk	Russia	Record daily precipitation	25.8 mm (1.0 in)	29 of 100 (Routine)
Bhagaon Bhogaon	India	Record daily precipitation	93.7 mm (3.7 in)	28 of 100 (Routine)
Dehri	India	Record daily precipitation	79.5 mm (3.1 in)	27 of 100 (Routine)
Thathaiengarpet	India	Record daily precipitation	117.3 mm (4.6 in)	27 of 100 (Routine)
Chhata	India	Record daily precipitation	54.9 mm (2.2 in)	27 of 100 (Routine)
Amroha	India	Record daily precipitation	104.4 mm (4.1 in)	27 of 100 (Routine)
Clayton 1 SSW	United States	Record daily precipitation	77.2 mm (3.0 in)	27 of 100 (Routine)
Palakonda	India	Record daily precipitation	76.2 mm (3.0 in)	26 of 100 (Routine)
Dibrugarh Obsy	India	Record daily precipitation	73.7 mm (2.9 in)	26 of 100 (Routine)
Santhanpara	India	Record daily precipitation	59.4 mm (2.3 in)	26 of 100 (Routine)
Porto Novo	India	Record daily precipitation	49.3 mm (1.9 in)	26 of 100 (Routine)
Sardhana	India	Record daily precipitation	82.6 mm (3.3 in)	26 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record high maximum temperature	36.1 C (97.0 F)	26 of 100 (Routine)
Mount Wellington (the Springs)	Australia	Record daily precipitation	26.7 mm (1.1 in)	25 of 100 (Routine)
Sonari	India	Record daily precipitation	81.3 mm (3.2 in)	25 of 100 (Routine)
Sonepat	India	Record daily precipitation	52.1 mm (2.1 in)	25 of 100 (Routine)
Adur	India	Record daily precipitation	72.4 mm (2.9 in)	25 of 100 (Routine)
Puri	India	Record daily precipitation	63.2 mm (2.5 in)	25 of 100 (Routine)
Bhikapur	India	Record daily precipitation	63.5 mm (2.5 in)	25 of 100 (Routine)
Minden	United States	Record daily precipitation	55.1 mm (2.2 in)	25 of 100 (Routine)
Chettikulam	India	Record daily precipitation	58.4 mm (2.3 in)	24 of 100 (Routine)
Aonla	India	Record daily precipitation	77.7 mm (3.1 in)	24 of 100 (Routine)
Kettering (Saddle Road)	Australia	Record daily precipitation	29.7 mm (1.2 in)	23 of 100 (Routine)
Vengurla	India	Record daily precipitation	119.4 mm (4.7 in)	23 of 100 (Routine)
Tonk	India	Record daily precipitation	94.0 mm (3.7 in)	23 of 100 (Routine)
Tanda	India	Record daily precipitation	75.7 mm (3.0 in)	23 of 100 (Routine)
Pekisko	Canada	Record high minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Tiruppur	India	Record daily precipitation	81.3 mm (3.2 in)	22 of 100 (Routine)
Pennagaram	India	Record daily precipitation	68.6 mm (2.7 in)	22 of 100 (Routine)
Mason City	United States	Record daily precipitation	56.4 mm (2.2 in)	22 of 100 (Routine)
Diamond Springs	United States	Record daily precipitation	63.8 mm (2.5 in)	22 of 100 (Routine)
Longreach Post Office	Australia	Record high maximum temperature	35.6 C (96.1 F)	21 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)

Counts by Type and Timescale

333 records

Records set or tied on 18 August 1942 by type: Highest daily maximum 59, Lowest daily maximum 12, Highest daily minimum 47, Lowest daily minimum 54, Heaviest daily rainfall 161.

Records on 18 August 1942 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	12
Highest daily minimum	47
Lowest daily minimum	54
Heaviest daily rainfall	161
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1942 by timescale: all-time 1, monthly 7, daily 325.

How Much Records Were Beaten By

266 broken records

Margins by which the 266 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 136.2. Ties are not counted.

Top 20 by Significance

18 August 1942

Top 20 records on 18 August 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1942	Bhimunipatnam, IN	monthly rain	163.8 mm (6.4 in)	82.5 mm (3.2 in)	33 years	63 of 100 (Major)
18 August 1942	Kolar, IN	daily rain	103.1 mm (4.1 in)	57.4 mm (2.3 in)	28 years	51 of 100 (Notable)
18 August 1942	Talcher, IN	daily rain	106.7 mm (4.2 in)	73.9 mm (2.9 in)	39 years	51 of 100 (Notable)
18 August 1942	Miva, AU	daily rain	40.6 mm (1.6 in)	36.8 mm (1.4 in)	24 years	49 of 100 (Notable)
18 August 1942	Sultanpur, IN	daily rain	162.6 mm (6.4 in)	136.2 mm (5.4 in)	13 years	48 of 100 (Notable)
18 August 1942	Sable Island, CA	all-time high min	23.9 C (75.0 F)	3.3 C (5.9 F)	24 years	47 of 100 (Notable)
18 August 1942	Menard, US	monthly rain	119.4 mm (4.7 in)	39.4 mm (1.6 in)	22 years	47 of 100 (Notable)
18 August 1942	Ghazipur, IN	daily rain	128.5 mm (5.1 in)	71.3 mm (2.8 in)	37 years	41 of 100 (Notable)
18 August 1942	Waratah (Mount Road), AU	daily rain	61.7 mm (2.4 in)	23.3 mm (0.9 in)	37 years	40 of 100 (Notable)
18 August 1942	Samnanger, NO	daily rain	92.5 mm (3.6 in)	49.3 mm (1.9 in)	20 years	40 of 100 (Notable)
18 August 1942	Columbus 4 ESE, US	daily rain	50.8 mm (2.0 in)	40.4 mm (1.6 in)	24 years	40 of 100 (Notable)
18 August 1942	Kharsawan, IN	monthly rain	190.2 mm (7.5 in)	38.8 mm (1.5 in)	22 years	39 of 100 (Notable)
18 August 1942	Tiruchengode, IN	daily rain	71.1 mm (2.8 in)	44.4 mm (1.7 in)	8 years	37 of 100 (Notable)
18 August 1942	Carthage, US	daily rain	102.1 mm (4.0 in)	51.3 mm (2.0 in)	12 years	37 of 100 (Notable)
18 August 1942	La Grange, US	daily rain	47.0 mm (1.9 in)	43.4 mm (1.7 in)	27 years	37 of 100 (Notable)
18 August 1942	Bronte Heights, AU	daily rain	26.4 mm (1.0 in)	16.2 mm (0.6 in)	16 years	36 of 100 (Notable)
18 August 1942	Banff, CA	daily high min	13.9 C (57.0 F)	5.6 C (10.1 F)	41 years	35 of 100 (Notable)
18 August 1942	Vanur, IN	daily rain	79.2 mm (3.1 in)	34.2 mm (1.3 in)	32 years	35 of 100 (Notable)
18 August 1942	Dhaneta, IN	daily rain	63.5 mm (2.5 in)	50.8 mm (2.0 in)	28 years	34 of 100 (Routine)
18 August 1942	Kosciusko, US	daily rain	67.1 mm (2.6 in)	30.5 mm (1.2 in)	19 years	34 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 1942

Records set or tied on this calendar date in each year from 1797 to 1942. 1942 had 333 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 1942-08-18: 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	216
20 to 40	32
40 to 60	14
60 to 80	2
80 to 100	1
100 to 120	0
120 to 140	1