Weather Records on 21 August 1945

544 weather records were set or tied worldwide on 21 August 1945. Highest significance: Sriperumbudur, IN.

Key Facts for 21 August 1945

On 21 August 1945, 544 weather records were set or tied at long-record stations worldwide.
110 were record highs and 199 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 526 daily.
Sriperumbudur set a monthly record daily precipitation of 168.7 mm (6.6 in) on 21 August 1945.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 449 records.

Record Map

544 stations

544 station records on 21 August 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sriperumbudur	India	Record daily precipitation	168.7 mm (6.6 in)	66 of 100 (Major)
Hailakundi India	India	Record daily precipitation	230.6 mm (9.1 in)	65 of 100 (Major)
Gulgong Post Office	Australia	Record daily precipitation	42.4 mm (1.7 in)	55 of 100 (Notable)
Edithville	Australia	Record daily precipitation	39.1 mm (1.5 in)	51 of 100 (Notable)
Trangie (Old Bundemar)	Australia	Record daily precipitation	34.3 mm (1.4 in)	47 of 100 (Notable)
Olinda (Springdale)	Australia	Record daily precipitation	37.3 mm (1.5 in)	47 of 100 (Notable)
Box Cowell	Australia	Record daily precipitation	32.3 mm (1.3 in)	46 of 100 (Notable)
Warren (Eenaweena)	Australia	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Summervale (Gundaur)	Australia	Record daily precipitation	34.8 mm (1.4 in)	42 of 100 (Notable)
Trangie Post Office	Australia	Record daily precipitation	33.8 mm (1.3 in)	42 of 100 (Notable)
Lamar	United States	Record daily precipitation	56.4 mm (2.2 in)	42 of 100 (Notable)
Gunningbar	Australia	Record daily precipitation	34.0 mm (1.3 in)	41 of 100 (Notable)
Miandetta (Tyrone)	Australia	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Hermidale Tank	Australia	Record daily precipitation	32.5 mm (1.3 in)	40 of 100 (Notable)
Nyngan (Kaluga)	Australia	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Nyngan Airport	Australia	Record daily precipitation	26.2 mm (1.0 in)	38 of 100 (Notable)
Longford (Denton Close)	Australia	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Buldana	India	Record daily precipitation	113.0 mm (4.4 in)	38 of 100 (Notable)
Sheoganj	India	Record daily precipitation	147.6 mm (5.8 in)	38 of 100 (Notable)
Lexington	United States	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Mangrulpir	India	Record daily precipitation	103.4 mm (4.1 in)	37 of 100 (Notable)
Holly	United States	Record daily precipitation	36.6 mm (1.4 in)	37 of 100 (Notable)
Girilambone (Ampol)	Australia	Record daily precipitation	31.2 mm (1.2 in)	36 of 100 (Notable)
Baihar	India	Record daily precipitation	146.8 mm (5.8 in)	35 of 100 (Notable)
Gilgandra (Chelmsford Ave)	Australia	Record daily precipitation	28.7 mm (1.1 in)	34 of 100 (Routine)
Badarpur	India	Record daily precipitation	144.8 mm (5.7 in)	34 of 100 (Routine)
Greeley	United States	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Colby	United States	Record daily precipitation	37.8 mm (1.5 in)	34 of 100 (Routine)
Gothenburg	United States	Record daily precipitation	42.9 mm (1.7 in)	34 of 100 (Routine)
Ft Morgan	United States	Record daily precipitation	25.1 mm (1.0 in)	33 of 100 (Routine)
Monument 2 WSW	United States	Record daily precipitation	49.3 mm (1.9 in)	33 of 100 (Routine)
Clayton Muni Air Pk	United States	Record daily precipitation	25.1 mm (1.0 in)	33 of 100 (Routine)
Neilrex (Caigan)	Australia	Record daily precipitation	30.2 mm (1.2 in)	31 of 100 (Routine)
Gainesville UNIV of Fl	United States	Record daily precipitation	84.6 mm (3.3 in)	31 of 100 (Routine)
Madrid	United States	Record daily precipitation	42.4 mm (1.7 in)	31 of 100 (Routine)
Tinkurrin	Australia	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Biamble	Australia	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Goderich	Canada	Record high minimum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Paxton	United States	Record daily precipitation	60.5 mm (2.4 in)	30 of 100 (Routine)
Newcastle	United States	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Goodland	United States	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Oakland	United States	Record high maximum temperature	31.7 C (89.1 F)	29 of 100 (Routine)
Moncure 3 SE	United States	Record daily precipitation	101.6 mm (4.0 in)	29 of 100 (Routine)
Belvoir	Australia	Record daily precipitation	43.2 mm (1.7 in)	28 of 100 (Routine)
Nyngan (Merryanbone)	Australia	Record daily precipitation	31.2 mm (1.2 in)	28 of 100 (Routine)
Rylstone (Ilford Rd)	Australia	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Grover 10 W	United States	Record low maximum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Waycross 4 NE	United States	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Bridgeport	United States	Record low maximum temperature	18.3 C (64.9 F)	28 of 100 (Routine)
Chambers	United States	Record daily precipitation	26.2 mm (1.0 in)	28 of 100 (Routine)
Lodgepole	United States	Record low maximum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Elsfield	Australia	Record daily precipitation	54.6 mm (2.1 in)	27 of 100 (Routine)
Nevertire (Beverley)	Australia	Record daily precipitation	27.9 mm (1.1 in)	27 of 100 (Routine)
Gilgandra (Wallumburrawang)	Australia	Record daily precipitation	29.2 mm (1.1 in)	27 of 100 (Routine)
Bali	India	Record daily precipitation	194.3 mm (7.6 in)	27 of 100 (Routine)
Cheyenne Wells 2NE	United States	Record daily precipitation	43.2 mm (1.7 in)	27 of 100 (Routine)
Simmesport	United States	Record daily precipitation	47.0 mm (1.9 in)	27 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record low maximum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Tallangatta (Bullioh)	Australia	Record daily precipitation	40.6 mm (1.6 in)	26 of 100 (Routine)
Saint Francis	United States	Record daily precipitation	31.0 mm (1.2 in)	26 of 100 (Routine)

Counts by Type and Timescale

544 records

Records set or tied on 21 August 1945 by type: Highest daily maximum 60, Lowest daily maximum 100, Highest daily minimum 50, Lowest daily minimum 99, Heaviest daily rainfall 235.

Records on 21 August 1945 by type
Record type	Records
Highest daily maximum	60
Lowest daily maximum	100
Highest daily minimum	50
Lowest daily minimum	99
Heaviest daily rainfall	235
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1945 by timescale: all-time 0, monthly 18, daily 526.

How Much Records Were Beaten By

436 broken records

Margins by which the 436 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 107.0. Ties are not counted.

Top 20 by Significance

21 August 1945

Top 20 records on 21 August 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1945	Sriperumbudur, IN	monthly rain	168.7 mm (6.6 in)	70.4 mm (2.8 in)	43 years	66 of 100 (Major)
21 August 1945	Hailakundi India, IN	monthly rain	230.6 mm (9.1 in)	101.1 mm (4.0 in)	37 years	65 of 100 (Major)
21 August 1945	Gulgong Post Office, AU	daily rain	42.4 mm (1.7 in)	23.3 mm (0.9 in)	63 years	55 of 100 (Notable)
21 August 1945	Edithville, AU	daily rain	39.1 mm (1.5 in)	31.0 mm (1.2 in)	27 years	51 of 100 (Notable)
21 August 1945	Trangie (Old Bundemar), AU	daily rain	34.3 mm (1.4 in)	20.1 mm (0.8 in)	51 years	47 of 100 (Notable)
21 August 1945	Olinda (Springdale), AU	daily rain	37.3 mm (1.5 in)	25.6 mm (1.0 in)	27 years	47 of 100 (Notable)
21 August 1945	Box Cowell, AU	daily rain	32.3 mm (1.3 in)	23.2 mm (0.9 in)	45 years	46 of 100 (Notable)
21 August 1945	Warren (Eenaweena), AU	daily rain	29.0 mm (1.1 in)	17.8 mm (0.7 in)	50 years	42 of 100 (Notable)
21 August 1945	Summervale (Gundaur), AU	daily rain	34.8 mm (1.4 in)	20.8 mm (0.8 in)	51 years	42 of 100 (Notable)
21 August 1945	Trangie Post Office, AU	daily rain	33.8 mm (1.3 in)	22.1 mm (0.9 in)	34 years	42 of 100 (Notable)
21 August 1945	Lamar, US	daily rain	56.4 mm (2.2 in)	32.3 mm (1.3 in)	24 years	42 of 100 (Notable)
21 August 1945	Gunningbar, AU	daily rain	34.0 mm (1.3 in)	23.1 mm (0.9 in)	34 years	41 of 100 (Notable)
21 August 1945	Miandetta (Tyrone), AU	daily rain	30.5 mm (1.2 in)	17.8 mm (0.7 in)	45 years	41 of 100 (Notable)
21 August 1945	Hermidale Tank, AU	daily rain	32.5 mm (1.3 in)	21.3 mm (0.8 in)	27 years	40 of 100 (Notable)
21 August 1945	Nyngan (Kaluga), AU	daily rain	31.0 mm (1.2 in)	20.1 mm (0.8 in)	34 years	39 of 100 (Notable)
21 August 1945	Nyngan Airport, AU	daily rain	26.2 mm (1.0 in)	16.0 mm (0.6 in)	45 years	38 of 100 (Notable)
21 August 1945	Longford (Denton Close), AU	daily rain	25.4 mm (1.0 in)	10.4 mm (0.4 in)	51 years	38 of 100 (Notable)
21 August 1945	Buldana, IN	daily rain	113.0 mm (4.4 in)	29.4 mm (1.2 in)	42 years	38 of 100 (Notable)
21 August 1945	Sheoganj, IN	daily rain	147.6 mm (5.8 in)	107.0 mm (4.2 in)	0 years	38 of 100 (Notable)
21 August 1945	Lexington, US	daily rain	55.9 mm (2.2 in)	41.2 mm (1.6 in)	8 years	38 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

1800 to 1945

Records set or tied on this calendar date in each year from 1800 to 1945. 1945 had 544 records.

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

Records on 08-21 in each year
Year	Records
1800	1
1802	1
1804	1
1807	1
1816	1
1818	1
1832	1
1834	1
1839	3
1843	1
1847	1
1849	3
1850	1
1851	2
1863	1
1866	1
1867	2
1870	3
1871	2
1872	1
1873	1
1876	1
1877	2
1879	2
1884	2
1885	5
1886	1
1887	5
1888	2
1889	3
1890	4
1891	2
1893	4
1894	8
1895	3
1896	2
1897	4
1898	4
1899	7
1900	4
1901	9
1902	8
1903	6
1904	8
1905	4
1906	22
1907	20
1908	13
1909	17
1910	33
1911	19
1912	50
1913	37
1914	24
1915	21
1916	106
1917	101
1918	202
1919	19
1920	59
1921	34
1922	58
1923	111
1924	135
1925	220
1926	227
1927	228
1928	110
1929	234
1930	297
1931	277
1932	264
1933	328
1934	320
1935	318
1936	807
1937	762
1938	239
1939	630
1940	683
1941	180
1942	415
1943	438
1944	346
1945	544
1946	390
1947	954
1948	305
1949	508
1950	958
1951	699
1952	368
1953	331
1954	497
1955	885
1956	701
1957	490
1958	389
1959	704
1960	490
1961	644
1962	469
1963	338
1964	794
1965	455
1966	661
1967	541
1968	1,014
1969	650
1970	373
1971	660
1972	441
1973	438
1974	564
1975	545
1976	756
1977	764
1978	445
1979	778
1980	904
1981	1,015
1982	769
1983	1,407
1984	975
1985	623
1986	1,166
1987	740
1988	889
1989	828
1990	910
1991	828
1992	957
1993	698
1994	968
1995	962
1996	950
1997	1,291
1998	948
1999	717
2000	861
2001	797
2002	965
2003	1,241
2004	1,585
2005	1,071
2006	797
2007	1,829
2008	1,012
2009	1,319
2010	1,155
2011	1,022
2012	990
2013	513
2014	624
2015	651
2016	890
2017	347
2018	816
2019	631
2020	1,147
2021	767
2022	917
2023	1,826
2024	777
2025	1,230
2026	1,289

Download the Data

Data for records on 1945-08-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	399
20 to 40	30
40 to 60	1
60 to 80	3
80 to 100	1
100 to 120	2