Weather Records on 18 May 1942

421 weather records were set or tied worldwide on 18 May 1942. Highest significance: Cape Riche, AU.

Key Facts for 18 May 1942

On 18 May 1942, 421 weather records were set or tied at long-record stations worldwide.
62 were record highs and 173 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 15 monthly and 403 daily.
Cape Riche set a monthly record daily precipitation of 91.4 mm (3.6 in) on 18 May 1942.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 443 records.

Record Map

421 stations

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

Weather records on 18 May 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape Riche	Australia	Record daily precipitation	91.4 mm (3.6 in)	64 of 100 (Major)
Indapur	India	Record daily precipitation	50.0 mm (2.0 in)	53 of 100 (Notable)
Napoleon	United States	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Woodburn	Australia	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Woogenellup	Australia	Record daily precipitation	98.6 mm (3.9 in)	47 of 100 (Notable)
Seleng	India	Record daily precipitation	95.8 mm (3.8 in)	46 of 100 (Notable)
Arundel	Australia	Record daily precipitation	65.0 mm (2.6 in)	45 of 100 (Notable)
Mount Morgans	Australia	Record daily precipitation	35.1 mm (1.4 in)	43 of 100 (Notable)
Amelup	Australia	Record daily precipitation	57.4 mm (2.3 in)	38 of 100 (Notable)
Lake Muir	Australia	Record daily precipitation	121.9 mm (4.8 in)	37 of 100 (Notable)
Mount Barker	Australia	Record daily precipitation	68.6 mm (2.7 in)	36 of 100 (Notable)
Soyland I Gjesdal	Norway	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Balfour	Australia	Record daily precipitation	52.8 mm (2.1 in)	33 of 100 (Routine)
Lonavala	India	Record daily precipitation	59.7 mm (2.4 in)	33 of 100 (Routine)
Minden	United States	Record daily precipitation	76.2 mm (3.0 in)	33 of 100 (Routine)
Leonora	Australia	Record daily precipitation	25.9 mm (1.0 in)	32 of 100 (Routine)
Oak Park	Australia	Record daily precipitation	45.7 mm (1.8 in)	31 of 100 (Routine)
Gjerstad I Aust-Agder	Norway	Record daily precipitation	30.9 mm (1.2 in)	31 of 100 (Routine)
Deeside	Australia	Record daily precipitation	71.1 mm (2.8 in)	30 of 100 (Routine)
Ellensfield	Australia	Record daily precipitation	58.4 mm (2.3 in)	30 of 100 (Routine)
Olinda	Australia	Record daily precipitation	44.7 mm (1.8 in)	30 of 100 (Routine)
Tezpur	India	Record daily precipitation	86.6 mm (3.4 in)	30 of 100 (Routine)
Warren 2 ENE	United States	Record daily precipitation	52.1 mm (2.1 in)	30 of 100 (Routine)
Marshall	United States	Record daily precipitation	74.7 mm (2.9 in)	30 of 100 (Routine)
Bakke	Norway	Record daily precipitation	49.2 mm (1.9 in)	29 of 100 (Routine)
Plain Dealing	United States	Record daily precipitation	82.8 mm (3.3 in)	29 of 100 (Routine)
Bamboo Springs	Australia	Record daily precipitation	29.5 mm (1.2 in)	28 of 100 (Routine)
Loch	Australia	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Mestad I Oddernes	Norway	Record daily precipitation	42.2 mm (1.7 in)	28 of 100 (Routine)
Timbauba	Brazil	Record daily precipitation	55.0 mm (2.2 in)	27 of 100 (Routine)
Forman 5 SSE	United States	Record low maximum temperature	8.9 C (48.0 F)	27 of 100 (Routine)
Bathurst	Canada	Record high minimum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Davangire	India	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Creston 2 SW	United States	Record daily precipitation	35.8 mm (1.4 in)	26 of 100 (Routine)
Eldon	United States	Record daily precipitation	34.5 mm (1.4 in)	25 of 100 (Routine)
El Dorado Goodwin Fld	United States	Record daily precipitation	44.5 mm (1.8 in)	25 of 100 (Routine)
Pardelup	Australia	Record daily precipitation	82.8 mm (3.3 in)	24 of 100 (Routine)
Sviland	Norway	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Lovell	United States	Record low minimum temperature	-6.1 C (21.0 F)	24 of 100 (Routine)
Ethel Creek	Australia	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Red Lodge	United States	Record low minimum temperature	-6.7 C (19.9 F)	23 of 100 (Routine)
Fredericton Unb	Canada	Record high minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record low minimum temperature	-5.0 C (23.0 F)	22 of 100 (Routine)
Ruston la Tech	United States	Record daily precipitation	101.6 mm (4.0 in)	22 of 100 (Routine)
Heber	United States	Record low minimum temperature	-5.0 C (23.0 F)	22 of 100 (Routine)
Woodruff	United States	Record low minimum temperature	-5.6 C (21.9 F)	22 of 100 (Routine)
Bhim (Dawer)	India	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Mount Moriac	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Lucindale Post Office	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Murgab	Tajikistan	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Naracoorte Cave Range	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Muccan	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Penola (Comaum Park)	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
De Grey	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Suldalsvatn	Norway	Record daily precipitation	24.5 mm (1.0 in)	20 of 100 (Routine)
Mundrabilla Station	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Paud	India	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Bamboo Creek	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Lawlers	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Naracoorte	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

421 records

Records set or tied on 18 May 1942 by type: Highest daily maximum 17, Lowest daily maximum 65, Highest daily minimum 45, Lowest daily minimum 108, Heaviest daily rainfall 184, Heaviest daily snowfall 2.

Records on 18 May 1942 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	65
Highest daily minimum	45
Lowest daily minimum	108
Heaviest daily rainfall	184
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 18 May 1942 by timescale: all-time 3, monthly 15, daily 403.

How Much Records Were Beaten By

327 broken records

Margins by which the 327 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 55.4. Ties are not counted.

Top 20 by Significance

18 May 1942

Top 20 records on 18 May 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1942	Cape Riche, AU	monthly rain	91.4 mm (3.6 in)	38.1 mm (1.5 in)	34 years	64 of 100 (Major)
18 May 1942	Indapur, IN	daily rain	50.0 mm (2.0 in)	50.0 mm (2.0 in)	40 years	53 of 100 (Notable)
18 May 1942	Napoleon, US	daily rain	44.5 mm (1.8 in)	28.0 mm (1.1 in)	43 years	52 of 100 (Notable)
18 May 1942	Woodburn, AU	daily rain	47.8 mm (1.9 in)	34.3 mm (1.4 in)	19 years	49 of 100 (Notable)
18 May 1942	Woogenellup, AU	all-time rain	98.6 mm (3.9 in)	10.2 mm (0.4 in)	24 years	47 of 100 (Notable)
18 May 1942	Seleng, IN	daily rain	95.8 mm (3.8 in)	55.4 mm (2.2 in)	28 years	46 of 100 (Notable)
18 May 1942	Arundel, AU	monthly rain	65.0 mm (2.6 in)	21.8 mm (0.9 in)	1 year	45 of 100 (Notable)
18 May 1942	Mount Morgans, AU	daily rain	35.1 mm (1.4 in)	25.7 mm (1.0 in)	35 years	43 of 100 (Notable)
18 May 1942	Amelup, AU	monthly rain	57.4 mm (2.3 in)	11.7 mm (0.5 in)	20 years	38 of 100 (Notable)
18 May 1942	Lake Muir, AU	all-time rain	121.9 mm (4.8 in)	12.7 mm (0.5 in)	3 years	37 of 100 (Notable)
18 May 1942	Mount Barker, AU	monthly rain	68.6 mm (2.7 in)	12.5 mm (0.5 in)	20 years	36 of 100 (Notable)
18 May 1942	Soyland I Gjesdal, NO	daily rain	49.8 mm (2.0 in)	25.3 mm (1.0 in)	12 years	36 of 100 (Notable)
18 May 1942	Balfour, AU	daily rain	52.8 mm (2.1 in)	20.3 mm (0.8 in)	27 years	33 of 100 (Routine)
18 May 1942	Lonavala, IN	daily rain	59.7 mm (2.4 in)	55.1 mm (2.2 in)	8 years	33 of 100 (Routine)
18 May 1942	Minden, US	daily rain	76.2 mm (3.0 in)	45.5 mm (1.8 in)	12 years	33 of 100 (Routine)
18 May 1942	Leonora, AU	daily rain	25.9 mm (1.0 in)	13.2 mm (0.5 in)	35 years	32 of 100 (Routine)
18 May 1942	Oak Park, AU	monthly rain	45.7 mm (1.8 in)	7.6 mm (0.30 in)	19 years	31 of 100 (Routine)
18 May 1942	Gjerstad I Aust-Agder, NO	daily rain	30.9 mm (1.2 in)	13.6 mm (0.5 in)	40 years	31 of 100 (Routine)
18 May 1942	Deeside, AU	all-time rain	71.1 mm (2.8 in)	5.8 mm (0.23 in)	1 year	30 of 100 (Routine)
18 May 1942	Ellensfield, AU	monthly rain	58.4 mm (2.3 in)	7.6 mm (0.30 in)	19 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

1796 to 1942

Records set or tied on this calendar date in each year from 1796 to 1942. 1942 had 421 records.

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

Records on 05-18 in each year
Year	Records
1796	1
1798	1
1802	2
1832	1
1833	1
1845	1
1847	1
1848	1
1855	1
1859	1
1861	2
1863	3
1864	1
1866	2
1868	2
1869	1
1870	1
1871	2
1872	1
1874	2
1877	4
1878	1
1879	1
1881	1
1883	2
1884	2
1885	1
1887	1
1888	4
1889	2
1891	1
1893	2
1894	4
1895	5
1896	2
1897	2
1898	1
1899	1
1900	13
1901	6
1902	9
1903	7
1904	11
1905	2
1906	24
1907	18
1908	5
1909	12
1910	50
1911	64
1912	5
1913	11
1914	45
1915	55
1916	74
1917	30
1918	42
1919	30
1920	26
1921	41
1922	33
1923	61
1924	92
1925	220
1926	133
1927	180
1928	160
1929	193
1930	475
1931	191
1932	460
1933	380
1934	390
1935	400
1936	282
1937	348
1938	382
1939	169
1940	315
1941	334
1942	421
1943	744
1944	496
1945	706
1946	651
1947	231
1948	426
1949	597
1950	473
1951	279
1952	493
1953	393
1954	498
1955	848
1956	795
1957	595
1958	334
1959	435
1960	404
1961	187
1962	1,199
1963	477
1964	329
1965	345
1966	438
1967	410
1968	817
1969	865
1970	703
1971	666
1972	499
1973	1,233
1974	1,097
1975	383
1976	733
1977	1,126
1978	1,090
1979	399
1980	614
1981	1,218
1982	452
1983	1,093
1984	717
1985	498
1986	1,131
1987	823
1988	1,154
1989	721
1990	753
1991	1,218
1992	921
1993	707
1994	1,015
1995	1,849
1996	1,767
1997	1,115
1998	1,060
1999	584
2000	922
2001	898
2002	1,833
2003	1,270
2004	847
2005	630
2006	1,493
2007	1,133
2008	999
2009	1,368
2010	894
2011	1,406
2012	523
2013	816
2014	609
2015	785
2016	597
2017	1,855
2018	557
2019	810
2020	706
2021	418
2022	711
2023	554
2024	551
2025	619
2026	1,131

Download the Data

Data for records on 1942-05-18: 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 10	272
10 to 20	30
20 to 30	15
30 to 40	6
40 to 50	1
50 to 60	3