Weather Records on 18 May 1946

651 weather records were set or tied worldwide on 18 May 1946. Highest significance: Marrabel, AU.

Key Facts for 18 May 1946

On 18 May 1946, 651 weather records were set or tied at long-record stations worldwide.
58 were record highs and 49 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 643 daily.
Marrabel set a daily record precipitation of 45.7 mm (1.8 in) on 18 May 1946.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 441 records.

Record Map

651 stations

651 station records on 18 May 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Marrabel	Australia	Record daily precipitation	45.7 mm (1.8 in)	59 of 100 (Notable)
Waitchie	Australia	Record daily precipitation	33.0 mm (1.3 in)	56 of 100 (Notable)
Meredith (Wattle Vale)	Australia	Record daily precipitation	30.5 mm (1.2 in)	54 of 100 (Notable)
Murray Town (Doughboy Creek)	Australia	Record daily precipitation	50.0 mm (2.0 in)	53 of 100 (Notable)
Glenloth Shingle Hut Hmsd	Australia	Record daily precipitation	29.2 mm (1.1 in)	53 of 100 (Notable)
Tailem Bend (Woodlands)	Australia	Record daily precipitation	31.5 mm (1.2 in)	52 of 100 (Notable)
Hopetoun	Australia	Record daily precipitation	36.8 mm (1.4 in)	52 of 100 (Notable)
Sea Lake (Post Office)	Australia	Record daily precipitation	29.0 mm (1.1 in)	51 of 100 (Notable)
Balliang East (Chesney)	Australia	Record daily precipitation	25.4 mm (1.0 in)	51 of 100 (Notable)
Swan Hill (Murray Downs)	Australia	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Tyntynder West	Australia	Record daily precipitation	36.6 mm (1.4 in)	48 of 100 (Notable)
Swan Hill Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Bukalong Station	Australia	Record daily precipitation	62.7 mm (2.5 in)	47 of 100 (Notable)
Amlagora	India	Record daily precipitation	86.4 mm (3.4 in)	47 of 100 (Notable)
Melrose	Australia	Record daily precipitation	54.1 mm (2.1 in)	46 of 100 (Notable)
Port Germein (Telowie)	Australia	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Berriwillock	Australia	Record daily precipitation	31.2 mm (1.2 in)	46 of 100 (Notable)
Woodstock	United States	Record daily precipitation	50.3 mm (2.0 in)	46 of 100 (Notable)
Booby Island Lighthouse	Australia	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
Towan	Australia	Record daily precipitation	34.0 mm (1.3 in)	45 of 100 (Notable)
Fitchburg 4 SE	United States	Record daily precipitation	44.5 mm (1.8 in)	45 of 100 (Notable)
Butler Tanks (North Parnda)	Australia	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Manangatang	Australia	Record daily precipitation	31.5 mm (1.2 in)	44 of 100 (Notable)
Wooroonook	Australia	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Mount Macedon	Australia	Record daily precipitation	40.4 mm (1.6 in)	44 of 100 (Notable)
Woomelang	Australia	Record daily precipitation	26.4 mm (1.0 in)	43 of 100 (Notable)
Mongpoo	India	Record daily precipitation	104.6 mm (4.1 in)	43 of 100 (Notable)
Warmur West	Australia	Record daily precipitation	32.8 mm (1.3 in)	42 of 100 (Notable)
Campbells Forest (Yarraberb)	Australia	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Garhshankar	India	Record daily precipitation	37.1 mm (1.5 in)	41 of 100 (Notable)
Lake Boga	Australia	Record daily precipitation	29.5 mm (1.2 in)	40 of 100 (Notable)
Batala	India	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)
Lancaster 2 NE Pump St	United States	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Booleroo Centre	Australia	Record daily precipitation	26.9 mm (1.1 in)	39 of 100 (Notable)
Gama	Australia	Record daily precipitation	26.9 mm (1.1 in)	39 of 100 (Notable)
St Arnaud (Coonooer Bridge)	Australia	Record daily precipitation	26.7 mm (1.1 in)	39 of 100 (Notable)
Pauri	India	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Pauta Amaria	India	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Meilman	Australia	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Birchip (Woodlands)	Australia	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
Meredith	Australia	Record daily precipitation	27.7 mm (1.1 in)	38 of 100 (Notable)
Meredith (Darra)	Australia	Record daily precipitation	28.2 mm (1.1 in)	38 of 100 (Notable)
Nyah	Australia	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Pira Wild Horse Plains	Australia	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Tyntynder Station	Australia	Record daily precipitation	31.5 mm (1.2 in)	37 of 100 (Notable)
Corack East	Australia	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Minyip (Post Office)	Australia	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Kafferrivier (Pol)	South Africa	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Livingston	United States	Record daily precipitation	48.8 mm (1.9 in)	37 of 100 (Notable)
Wentworth (Wamberra Station)	Australia	Record daily precipitation	39.9 mm (1.6 in)	36 of 100 (Notable)
Holtwood	United States	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Quakertown	United States	Record daily precipitation	71.9 mm (2.8 in)	36 of 100 (Notable)
Roseworthy	Australia	Record daily precipitation	27.2 mm (1.1 in)	35 of 100 (Notable)
Delegate River	Australia	Record daily precipitation	68.6 mm (2.7 in)	35 of 100 (Notable)
Geelong Sec	Australia	Record daily precipitation	29.7 mm (1.2 in)	35 of 100 (Notable)
Laen	Australia	Record daily precipitation	25.7 mm (1.0 in)	34 of 100 (Routine)
Warracknabeal Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Freeling Railway	Australia	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Culgoa	Australia	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Ultima (Post Office)	Australia	Record daily precipitation	25.9 mm (1.0 in)	33 of 100 (Routine)

Counts by Type and Timescale

651 records

Records set or tied on 18 May 1946 by type: Highest daily maximum 30, Lowest daily maximum 36, Highest daily minimum 28, Lowest daily minimum 13, Heaviest daily rainfall 543, Heaviest daily snowfall 1.

Records on 18 May 1946 by type
Record type	Records
Highest daily maximum	30
Lowest daily maximum	36
Highest daily minimum	28
Lowest daily minimum	13
Heaviest daily rainfall	543
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 18 May 1946 by timescale: all-time 0, monthly 8, daily 643.

How Much Records Were Beaten By

598 broken records

Margins by which the 598 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.9. Ties are not counted.

Top 20 by Significance

18 May 1946

Top 20 records on 18 May 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1946	Marrabel, AU	daily rain	45.7 mm (1.8 in)	30.0 mm (1.2 in)	45 years	59 of 100 (Notable)
18 May 1946	Waitchie, AU	daily rain	33.0 mm (1.3 in)	25.1 mm (1.0 in)	45 years	56 of 100 (Notable)
18 May 1946	Meredith (Wattle Vale), AU	daily rain	30.5 mm (1.2 in)	22.9 mm (0.9 in)	35 years	54 of 100 (Notable)
18 May 1946	Murray Town (Doughboy Creek), AU	daily rain	50.0 mm (2.0 in)	23.8 mm (0.9 in)	45 years	53 of 100 (Notable)
18 May 1946	Glenloth Shingle Hut Hmsd, AU	daily rain	29.2 mm (1.1 in)	26.2 mm (1.0 in)	36 years	53 of 100 (Notable)
18 May 1946	Tailem Bend (Woodlands), AU	daily rain	31.5 mm (1.2 in)	27.2 mm (1.1 in)	31 years	52 of 100 (Notable)
18 May 1946	Hopetoun, AU	daily rain	36.8 mm (1.4 in)	23.6 mm (0.9 in)	35 years	52 of 100 (Notable)
18 May 1946	Sea Lake (Post Office), AU	daily rain	29.0 mm (1.1 in)	19.3 mm (0.8 in)	45 years	51 of 100 (Notable)
18 May 1946	Balliang East (Chesney), AU	daily rain	25.4 mm (1.0 in)	22.1 mm (0.9 in)	29 years	51 of 100 (Notable)
18 May 1946	Swan Hill (Murray Downs), AU	daily rain	31.0 mm (1.2 in)	19.8 mm (0.8 in)	59 years	48 of 100 (Notable)
18 May 1946	Tyntynder West, AU	daily rain	36.6 mm (1.4 in)	22.4 mm (0.9 in)	35 years	48 of 100 (Notable)
18 May 1946	Swan Hill Post Office, AU	daily rain	35.6 mm (1.4 in)	21.6 mm (0.9 in)	35 years	48 of 100 (Notable)
18 May 1946	Bukalong Station, AU	daily rain	62.7 mm (2.5 in)	29.7 mm (1.2 in)	55 years	47 of 100 (Notable)
18 May 1946	Amlagora, IN	daily rain	86.4 mm (3.4 in)	52.1 mm (2.1 in)	24 years	47 of 100 (Notable)
18 May 1946	Melrose, AU	daily rain	54.1 mm (2.1 in)	26.2 mm (1.0 in)	45 years	46 of 100 (Notable)
18 May 1946	Port Germein (Telowie), AU	daily rain	33.3 mm (1.3 in)	27.7 mm (1.1 in)	13 years	46 of 100 (Notable)
18 May 1946	Berriwillock, AU	daily rain	31.2 mm (1.2 in)	22.6 mm (0.9 in)	45 years	46 of 100 (Notable)
18 May 1946	Woodstock, US	daily rain	50.3 mm (2.0 in)	36.3 mm (1.4 in)	24 years	46 of 100 (Notable)
18 May 1946	Booby Island Lighthouse, AU	daily rain	49.8 mm (2.0 in)	47.8 mm (1.9 in)	9 years	45 of 100 (Notable)
18 May 1946	Towan, AU	daily rain	34.0 mm (1.3 in)	23.8 mm (0.9 in)	32 years	45 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

1796 to 1946

Records set or tied on this calendar date in each year from 1796 to 1946. 1946 had 651 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 1946-05-18: 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	438
10 to 20	113
20 to 30	37
30 to 40	7
40 to 50	1
50 to 60	2