Weather Records on 18 August 1945

400 weather records were set or tied worldwide on 18 August 1945. Highest significance: Vastervik, SE.

Key Facts for 18 August 1945

On 18 August 1945, 400 weather records were set or tied at long-record stations worldwide.
194 were record highs and 72 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 13 monthly and 383 daily.
Vastervik set a daily record precipitation of 89.6 mm (3.5 in) on 18 August 1945.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 441 records.

Record Map

400 stations

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

Weather records on 18 August 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vastervik	Sweden	Record daily precipitation	89.6 mm (3.5 in)	71 of 100 (Major)
Harnosand	Sweden	Record daily precipitation	107.5 mm (4.2 in)	68 of 100 (Major)
Tonk	India	Record daily precipitation	246.4 mm (9.7 in)	58 of 100 (Notable)
Palm Springs	United States	Record daily precipitation	46.7 mm (1.8 in)	55 of 100 (Notable)
Sheikhpura	India	Record daily precipitation	151.6 mm (6.0 in)	54 of 100 (Notable)
Shahabad	India	Record daily precipitation	169.7 mm (6.7 in)	52 of 100 (Notable)
Morgan City	United States	Record daily precipitation	132.1 mm (5.2 in)	50 of 100 (Notable)
Mill Creek 2	United States	Record daily precipitation	27.7 mm (1.1 in)	47 of 100 (Notable)
Cedar Key 1 WSW	United States	Record daily precipitation	111.8 mm (4.4 in)	47 of 100 (Notable)
Nandurbar	India	Record daily precipitation	59.9 mm (2.4 in)	45 of 100 (Notable)
Rajpipla(Nandod)	India	Record daily precipitation	104.4 mm (4.1 in)	44 of 100 (Notable)
Ratangarh	India	Record daily precipitation	161.3 mm (6.4 in)	44 of 100 (Notable)
Chand	India	Record daily precipitation	132.1 mm (5.2 in)	40 of 100 (Notable)
Escondido	United States	Record daily precipitation	39.9 mm (1.6 in)	40 of 100 (Notable)
Raiford State Prison	United States	Record low maximum temperature	27.2 C (81.0 F)	39 of 100 (Notable)
Barcelona -Fabra Observatory	Spain	Record daily precipitation	51.3 mm (2.0 in)	38 of 100 (Notable)
Datia	India	Record daily precipitation	121.2 mm (4.8 in)	37 of 100 (Notable)
Sasvad	India	Record daily precipitation	37.8 mm (1.5 in)	36 of 100 (Notable)
Belathal	India	Record daily precipitation	116.8 mm (4.6 in)	36 of 100 (Notable)
Vaexjoe	Sweden	Record daily precipitation	28.8 mm (1.1 in)	36 of 100 (Notable)
Federal Pt	United States	Record low maximum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Jacksonville Wb City	United States	Record low minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record daily precipitation	67.0 mm (2.6 in)	34 of 100 (Routine)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	41.0 mm (1.6 in)	34 of 100 (Routine)
Paragonah	United States	Record high minimum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Escondido	United States	Record high minimum temperature	24.4 C (75.9 F)	33 of 100 (Routine)
Plant City	United States	Record low maximum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Gatesville	United States	Record high minimum temperature	31.1 C (88.0 F)	33 of 100 (Routine)
Buxar	India	Record daily precipitation	148.3 mm (5.8 in)	32 of 100 (Routine)
Donaldsonville 4 SW	United States	Record daily precipitation	92.7 mm (3.6 in)	32 of 100 (Routine)
Greenland Rch	United States	Record low maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Pasadena	United States	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Ocala	United States	Record low maximum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
San Jacinto	United States	Record daily precipitation	34.8 mm (1.4 in)	29 of 100 (Routine)
Jambusar	India	Record daily precipitation	64.5 mm (2.5 in)	28 of 100 (Routine)
Kalol	India	Record daily precipitation	102.4 mm (4.0 in)	28 of 100 (Routine)
Lake City 2 E	United States	Record low maximum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Jambughoda Sr	India	Record daily precipitation	84.1 mm (3.3 in)	27 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record daily precipitation	69.3 mm (2.7 in)	27 of 100 (Routine)
Mehgawan	India	Record daily precipitation	63.5 mm (2.5 in)	26 of 100 (Routine)
Sujangarh	India	Record daily precipitation	64.8 mm (2.6 in)	26 of 100 (Routine)
Corona	United States	Record high minimum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Society Hill 6 S	United States	Record low maximum temperature	23.3 C (73.9 F)	26 of 100 (Routine)
Lugano	Switzerland	Record daily precipitation	56.0 mm (2.2 in)	25 of 100 (Routine)
St Augustine	United States	Record daily precipitation	66.0 mm (2.6 in)	25 of 100 (Routine)
Cedar Key 1 WSW	United States	Record low maximum temperature	28.3 C (82.9 F)	24 of 100 (Routine)
Benton City 2 NW	United States	Record low minimum temperature	5.0 C (41.0 F)	24 of 100 (Routine)
Panchgani	India	Record daily precipitation	105.4 mm (4.1 in)	23 of 100 (Routine)
Kislovodsk	Russia	Record daily precipitation	30.1 mm (1.2 in)	23 of 100 (Routine)
Riverside Fire STN 3	United States	Record high minimum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Warner Springs	United States	Record daily precipitation	70.6 mm (2.8 in)	23 of 100 (Routine)
Julesburg	United States	Record high maximum temperature	38.3 C (100.9 F)	23 of 100 (Routine)
McGill	United States	Record low maximum temperature	22.2 C (72.0 F)	23 of 100 (Routine)
Highlands	United States	Record high minimum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Brandon Cda	Canada	Record high maximum temperature	37.2 C (99.0 F)	22 of 100 (Routine)
Gobindpur	India	Record daily precipitation	111.8 mm (4.4 in)	22 of 100 (Routine)
Manawar	India	Record daily precipitation	35.6 mm (1.4 in)	22 of 100 (Routine)
Claremont Pomona Clg	United States	Record high minimum temperature	21.7 C (71.1 F)	22 of 100 (Routine)
Pomona/Fairplex	United States	Record low maximum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Kissimmee	United States	Record low maximum temperature	28.9 C (84.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

400 records

Records set or tied on 18 August 1945 by type: Highest daily maximum 123, Lowest daily maximum 35, Highest daily minimum 71, Lowest daily minimum 37, Heaviest daily rainfall 134.

Records on 18 August 1945 by type
Record type	Records
Highest daily maximum	123
Lowest daily maximum	35
Highest daily minimum	71
Lowest daily minimum	37
Heaviest daily rainfall	134
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1945 by timescale: all-time 4, monthly 13, daily 383.

How Much Records Were Beaten By

311 broken records

Margins by which the 311 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 119.7. Ties are not counted.

Top 20 by Significance

18 August 1945

Top 20 records on 18 August 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1945	Vastervik, SE	daily rain	89.6 mm (3.5 in)	60.9 mm (2.4 in)	79 years	71 of 100 (Major)
18 August 1945	Harnosand, SE	daily rain	107.5 mm (4.2 in)	81.6 mm (3.2 in)	66 years	68 of 100 (Major)
18 August 1945	Tonk, IN	all-time rain	246.4 mm (9.7 in)	56.7 mm (2.2 in)	31 years	58 of 100 (Notable)
18 August 1945	Palm Springs, US	daily rain	46.7 mm (1.8 in)	44.2 mm (1.7 in)	39 years	55 of 100 (Notable)
18 August 1945	Sheikhpura, IN	daily rain	151.6 mm (6.0 in)	98.3 mm (3.9 in)	35 years	54 of 100 (Notable)
18 August 1945	Shahabad, IN	daily rain	169.7 mm (6.7 in)	119.7 mm (4.7 in)	28 years	52 of 100 (Notable)
18 August 1945	Morgan City, US	daily rain	132.1 mm (5.2 in)	93.7 mm (3.7 in)	20 years	50 of 100 (Notable)
18 August 1945	Mill Creek 2, US	daily rain	27.7 mm (1.1 in)	27.7 mm (1.1 in)	36 years	47 of 100 (Notable)
18 August 1945	Cedar Key 1 WSW, US	daily rain	111.8 mm (4.4 in)	98.1 mm (3.9 in)	15 years	47 of 100 (Notable)
18 August 1945	Nandurbar, IN	daily rain	59.9 mm (2.4 in)	39.6 mm (1.6 in)	14 years	45 of 100 (Notable)
18 August 1945	Rajpipla(Nandod), IN	daily rain	104.4 mm (4.1 in)	79.8 mm (3.1 in)	14 years	44 of 100 (Notable)
18 August 1945	Ratangarh, IN	monthly rain	161.3 mm (6.4 in)	47.8 mm (1.9 in)	21 years	44 of 100 (Notable)
18 August 1945	Chand, IN	daily rain	132.1 mm (5.2 in)	91.5 mm (3.6 in)	34 years	40 of 100 (Notable)
18 August 1945	Escondido, US	monthly rain	39.9 mm (1.6 in)	14.5 mm (0.6 in)	37 years	40 of 100 (Notable)
18 August 1945	Raiford State Prison, US	daily low max	27.2 C (81.0 F)	4.5 C (8.1 F)	42 years	39 of 100 (Notable)
18 August 1945	Barcelona -Fabra Observatory, ES	daily rain	51.3 mm (2.0 in)	36.1 mm (1.4 in)	30 years	38 of 100 (Notable)
18 August 1945	Datia, IN	daily rain	121.2 mm (4.8 in)	71.7 mm (2.8 in)	8 years	37 of 100 (Notable)
18 August 1945	Sasvad, IN	daily rain	37.8 mm (1.5 in)	27.6 mm (1.1 in)	0 years	36 of 100 (Notable)
18 August 1945	Belathal, IN	daily rain	116.8 mm (4.6 in)	76.2 mm (3.0 in)	11 years	36 of 100 (Notable)
18 August 1945	Vaexjoe, SE	daily rain	28.8 mm (1.1 in)	2.1 mm (0.08 in)	84 years	36 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

1797 to 1945

Records set or tied on this calendar date in each year from 1797 to 1945. 1945 had 400 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 1945-08-18: 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	272
20 to 40	22
40 to 60	6
60 to 80	5
80 to 100	5
100 to 120	1