Weather Records on 18 May 1945

706 weather records were set or tied worldwide on 18 May 1945. Highest significance: Goderich, CA.

Key Facts for 18 May 1945

On 18 May 1945, 706 weather records were set or tied at long-record stations worldwide.
90 were record highs and 373 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 698 daily.
Goderich set a daily record precipitation of 39.9 mm (1.6 in) on 18 May 1945.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 441 records.

Record Map

706 stations

706 station records on 18 May 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Goderich	Canada	Record daily precipitation	39.9 mm (1.6 in)	63 of 100 (Major)
Joliette	Canada	Record daily precipitation	53.3 mm (2.1 in)	51 of 100 (Notable)
Lock Haven	United States	Record daily precipitation	49.8 mm (2.0 in)	50 of 100 (Notable)
Poonch	India	Record daily precipitation	65.8 mm (2.6 in)	48 of 100 (Notable)
Enfield	United States	Record daily precipitation	70.4 mm (2.8 in)	48 of 100 (Notable)
Ituacu	Brazil	Record daily precipitation	40.0 mm (1.6 in)	47 of 100 (Notable)
Bajandaj	Russia	Record daily precipitation	26.0 mm (1.0 in)	47 of 100 (Notable)
Worcester	United States	Record daily precipitation	40.6 mm (1.6 in)	47 of 100 (Notable)
Annapolis Royal	Canada	Record daily precipitation	29.0 mm (1.1 in)	46 of 100 (Notable)
Grenfell	Canada	Record daily precipitation	28.2 mm (1.1 in)	45 of 100 (Notable)
Lake Placid 2 S	United States	Record daily precipitation	40.6 mm (1.6 in)	45 of 100 (Notable)
Chatham	Canada	Record daily precipitation	51.1 mm (2.0 in)	44 of 100 (Notable)
Kentville Cda	Canada	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Cortland	United States	Record daily precipitation	51.1 mm (2.0 in)	44 of 100 (Notable)
La Pocatiere Cda	Canada	Record daily precipitation	35.3 mm (1.4 in)	43 of 100 (Notable)
Point Escuminac	Canada	Record daily precipitation	61.2 mm (2.4 in)	43 of 100 (Notable)
Millington 1 SE	United States	Record daily precipitation	42.2 mm (1.7 in)	42 of 100 (Notable)
Saint John	Canada	Record daily precipitation	53.8 mm (2.1 in)	41 of 100 (Notable)
Sathawas	India	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Eastport	United States	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Zanesville Wwtp	United States	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Ivanhoe	United States	Record daily precipitation	37.6 mm (1.5 in)	41 of 100 (Notable)
Vertentes	Brazil	Record daily precipitation	65.3 mm (2.6 in)	40 of 100 (Notable)
Birtle	Canada	Record daily snowfall	8.1 cm (3.2 in)	40 of 100 (Notable)
Parrsboro	Canada	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
Milan	Italy	Record high minimum temperature	21.6 C (70.9 F)	40 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Dhenkanal	India	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Fredericton Cda	Canada	Record daily precipitation	47.8 mm (1.9 in)	35 of 100 (Notable)
Alfred	United States	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	46.5 mm (1.8 in)	35 of 100 (Notable)
Lundbreck	Canada	Record daily snowfall	12.7 cm (5.0 in)	34 of 100 (Routine)
Brucefield	Canada	Record daily precipitation	28.2 mm (1.1 in)	34 of 100 (Routine)
Beauceville	Canada	Record daily precipitation	30.7 mm (1.2 in)	34 of 100 (Routine)
Moncton	Canada	Record daily precipitation	39.6 mm (1.6 in)	34 of 100 (Routine)
Indian Lake 2SW	United States	Record daily precipitation	58.9 mm (2.3 in)	33 of 100 (Routine)
Elizabeth City	United States	Record daily precipitation	49.0 mm (1.9 in)	33 of 100 (Routine)
Renovo	United States	Record daily precipitation	36.1 mm (1.4 in)	33 of 100 (Routine)
Savannah 6 SW	United States	Record low maximum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Sussex	Canada	Record daily precipitation	40.9 mm (1.6 in)	32 of 100 (Routine)
St Georges	Canada	Record daily precipitation	36.8 mm (1.4 in)	32 of 100 (Routine)
Effingham	United States	Record daily precipitation	41.9 mm (1.6 in)	32 of 100 (Routine)
Ashwood	United States	Record low maximum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Franklin Sewage Plt	United States	Record low maximum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Wien	Austria	Record high maximum temperature	29.2 C (84.6 F)	31 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record high maximum temperature	30.6 C (87.1 F)	31 of 100 (Routine)
Milan	Italy	Record high maximum temperature	31.9 C (89.4 F)	31 of 100 (Routine)
Columbus 4 ESE	United States	Record low maximum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
University	United States	Record low maximum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Williamsburg 2 NW	United States	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Hindol	India	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Kilpuri	India	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Charlotteburg Rsvr	United States	Record daily precipitation	40.9 mm (1.6 in)	30 of 100 (Routine)
Norwich	United States	Record daily precipitation	44.7 mm (1.8 in)	30 of 100 (Routine)
Waynesboro	United States	Record low maximum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Kaufman 3 SE	United States	Record low minimum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Ramnagar	India	Record daily precipitation	30.7 mm (1.2 in)	29 of 100 (Routine)
Lincoln Lock 4	United States	Record low maximum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Murfreesboro 5 N	United States	Record low maximum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Tullahoma	United States	Record low maximum temperature	12.8 C (55.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

706 records

Records set or tied on 18 May 1945 by type: Highest daily maximum 47, Lowest daily maximum 147, Highest daily minimum 43, Lowest daily minimum 226, Heaviest daily rainfall 240, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 18 May 1945 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	147
Highest daily minimum	43
Lowest daily minimum	226
Heaviest daily rainfall	240
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 18 May 1945 by timescale: all-time 0, monthly 8, daily 698.

How Much Records Were Beaten By

588 broken records

Margins by which the 588 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

18 May 1945

Top 20 records on 18 May 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1945	Goderich, CA	daily rain	39.9 mm (1.6 in)	28.2 mm (1.1 in)	76 years	63 of 100 (Major)
18 May 1945	Joliette, CA	daily rain	53.3 mm (2.1 in)	45.7 mm (1.8 in)	28 years	51 of 100 (Notable)
18 May 1945	Lock Haven, US	daily rain	49.8 mm (2.0 in)	31.3 mm (1.2 in)	45 years	50 of 100 (Notable)
18 May 1945	Poonch, IN	daily rain	65.8 mm (2.6 in)	55.6 mm (2.2 in)	16 years	48 of 100 (Notable)
18 May 1945	Enfield, US	daily rain	70.4 mm (2.8 in)	47.0 mm (1.9 in)	23 years	48 of 100 (Notable)
18 May 1945	Ituacu, BR	daily rain	40.0 mm (1.6 in)	37.8 mm (1.5 in)	15 years	47 of 100 (Notable)
18 May 1945	Bajandaj, RU	daily rain	26.0 mm (1.0 in)	20.0 mm (0.8 in)	14 years	47 of 100 (Notable)
18 May 1945	Worcester, US	daily rain	40.6 mm (1.6 in)	27.6 mm (1.1 in)	44 years	47 of 100 (Notable)
18 May 1945	Annapolis Royal, CA	daily rain	29.0 mm (1.1 in)	23.7 mm (0.9 in)	26 years	46 of 100 (Notable)
18 May 1945	Grenfell, CA	daily rain	28.2 mm (1.1 in)	20.6 mm (0.8 in)	43 years	45 of 100 (Notable)
18 May 1945	Lake Placid 2 S, US	daily rain	40.6 mm (1.6 in)	22.8 mm (0.9 in)	18 years	45 of 100 (Notable)
18 May 1945	Chatham, CA	daily rain	51.1 mm (2.0 in)	20.6 mm (0.8 in)	28 years	44 of 100 (Notable)
18 May 1945	Kentville Cda, CA	daily rain	34.3 mm (1.4 in)	22.9 mm (0.9 in)	28 years	44 of 100 (Notable)
18 May 1945	Cortland, US	daily rain	51.1 mm (2.0 in)	28.0 mm (1.1 in)	16 years	44 of 100 (Notable)
18 May 1945	La Pocatiere Cda, CA	daily rain	35.3 mm (1.4 in)	24.9 mm (1.0 in)	26 years	43 of 100 (Notable)
18 May 1945	Point Escuminac, CA	daily rain	61.2 mm (2.4 in)	32.8 mm (1.3 in)	4 years	43 of 100 (Notable)
18 May 1945	Millington 1 SE, US	daily rain	42.2 mm (1.7 in)	24.4 mm (1.0 in)	45 years	42 of 100 (Notable)
18 May 1945	Saint John, CA	daily rain	53.8 mm (2.1 in)	26.1 mm (1.0 in)	26 years	41 of 100 (Notable)
18 May 1945	Sathawas, IN	daily rain	38.1 mm (1.5 in)	38.1 mm (1.5 in)	44 years	41 of 100 (Notable)
18 May 1945	Eastport, US	daily rain	40.6 mm (1.6 in)	19.5 mm (0.8 in)	26 years	41 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 1945

Records set or tied on this calendar date in each year from 1796 to 1945. 1945 had 706 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 1945-05-18: 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 20	543
20 to 40	38
40 to 60	4
60 to 80	0
80 to 100	2
100 to 120	0
120 to 140	1