Weather Records on 31 August 1945

572 weather records were set or tied worldwide on 31 August 1945. Highest significance: Back Plains, AU.

Key Facts for 31 August 1945

On 31 August 1945, 572 weather records were set or tied at long-record stations worldwide.
246 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 14 monthly and 555 daily.
Back Plains set a monthly record daily precipitation of 58.7 mm (2.3 in) on 31 August 1945.
Across 165 earlier years (1796 to 2026) the same calendar date averaged 435 records.

Record Map

572 stations

572 station records on 31 August 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 August 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Back Plains	Australia	Record daily precipitation	58.7 mm (2.3 in)	58 of 100 (Notable)
Balgownie West	Australia	Record daily precipitation	60.2 mm (2.4 in)	53 of 100 (Notable)
Western Creek	Australia	Record daily precipitation	57.9 mm (2.3 in)	49 of 100 (Notable)
Hallock	United States	Record daily precipitation	61.0 mm (2.4 in)	49 of 100 (Notable)
Brainerd	United States	Record daily precipitation	91.2 mm (3.6 in)	47 of 100 (Notable)
Escanaba	United States	Record daily precipitation	52.3 mm (2.1 in)	47 of 100 (Notable)
Tobolsk	Russia	Record daily precipitation	35.9 mm (1.4 in)	46 of 100 (Notable)
Mancelona	United States	Record daily precipitation	73.2 mm (2.9 in)	46 of 100 (Notable)
Leyburn Post Office	Australia	Record daily precipitation	40.4 mm (1.6 in)	45 of 100 (Notable)
Tenterfield (Federation Park)	Australia	Record daily precipitation	37.6 mm (1.5 in)	45 of 100 (Notable)
Logansport Cicott St	United States	Record daily precipitation	79.0 mm (3.1 in)	45 of 100 (Notable)
Bay City	United States	Record daily precipitation	91.4 mm (3.6 in)	45 of 100 (Notable)
Midland 2	United States	Record daily precipitation	89.9 mm (3.5 in)	45 of 100 (Notable)
Millmerran Post Office	Australia	Record daily precipitation	55.4 mm (2.2 in)	44 of 100 (Notable)
Weribone	Australia	Record daily precipitation	44.2 mm (1.7 in)	44 of 100 (Notable)
Frankfort 2NE	United States	Record daily precipitation	60.5 mm (2.4 in)	44 of 100 (Notable)
Saginaw Mbs Intl AP	United States	Record daily precipitation	85.1 mm (3.4 in)	44 of 100 (Notable)
Westbrook	Australia	Record daily precipitation	38.6 mm (1.5 in)	42 of 100 (Notable)
Sathenapalli	India	Record daily precipitation	72.1 mm (2.8 in)	42 of 100 (Notable)
Tufanganj	India	Record daily precipitation	241.3 mm (9.5 in)	42 of 100 (Notable)
Clifton Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	41 of 100 (Notable)
Gowrie Junction	Australia	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Mount Irving	Australia	Record daily precipitation	41.1 mm (1.6 in)	41 of 100 (Notable)
Watseka Public Works	United States	Record daily precipitation	81.8 mm (3.2 in)	41 of 100 (Notable)
Blakefield	Australia	Record daily precipitation	35.1 mm (1.4 in)	40 of 100 (Notable)
Long Prairie	United States	Record daily precipitation	57.2 mm (2.3 in)	40 of 100 (Notable)
Rosewood Walloon Rd	Australia	Record daily precipitation	27.2 mm (1.1 in)	39 of 100 (Notable)
Fosston 1 E	United States	Record daily precipitation	66.0 mm (2.6 in)	39 of 100 (Notable)
Myra	Australia	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Inglewood Post Office	Australia	Record daily precipitation	38.6 mm (1.5 in)	38 of 100 (Notable)
Low Head (Comparison)	Australia	Record low maximum temperature	6.7 C (44.1 F)	38 of 100 (Notable)
Manistee 3SE	United States	Record daily precipitation	123.2 mm (4.9 in)	38 of 100 (Notable)
Ponnur(Ponnuru)	India	Record daily precipitation	77.7 mm (3.1 in)	37 of 100 (Notable)
Cooch Behar	India	Record daily precipitation	180.6 mm (7.1 in)	37 of 100 (Notable)
Mummidivaram	India	Record daily precipitation	121.9 mm (4.8 in)	36 of 100 (Notable)
Harrison 1 NNW	United States	Record daily precipitation	66.3 mm (2.6 in)	36 of 100 (Notable)
Cambooya Post Office	Australia	Record daily precipitation	42.2 mm (1.7 in)	35 of 100 (Notable)
Agnes River	Australia	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Mora	United States	Record daily precipitation	61.0 mm (2.4 in)	35 of 100 (Notable)
Harrisville Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	34 of 100 (Routine)
Mundoolin	Australia	Record daily precipitation	27.4 mm (1.1 in)	34 of 100 (Routine)
Struth	Australia	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Strawberry Hill (Bos)	South Africa	Record daily precipitation	39.4 mm (1.6 in)	34 of 100 (Routine)
Emu Creek	Australia	Record daily precipitation	28.2 mm (1.1 in)	33 of 100 (Routine)
Launceston (Pumping Station)	Australia	Record low maximum temperature	7.3 C (45.1 F)	32 of 100 (Routine)
Broome Post Office	Australia	Record high maximum temperature	38.1 C (100.6 F)	31 of 100 (Routine)
Condamine Plains	Australia	Record daily precipitation	49.0 mm (1.9 in)	31 of 100 (Routine)
Eagles Nest	Australia	Record daily precipitation	48.8 mm (1.9 in)	31 of 100 (Routine)
Pittsworth	Australia	Record daily precipitation	51.1 mm (2.0 in)	31 of 100 (Routine)
Boggabilla Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Red Lake Falls	United States	Record daily precipitation	52.1 mm (2.1 in)	31 of 100 (Routine)
Ashland Exp Farm	United States	Record daily precipitation	61.0 mm (2.4 in)	31 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	11.7 C (53.1 F)	30 of 100 (Routine)
Pembroke Eddy Match	Canada	Record daily precipitation	26.9 mm (1.1 in)	30 of 100 (Routine)
Pembina	United States	Record daily precipitation	54.9 mm (2.2 in)	30 of 100 (Routine)
Mt Tamborine Fern St	Australia	Record daily precipitation	30.2 mm (1.2 in)	29 of 100 (Routine)
Oakhurst 2	Australia	Record daily precipitation	25.9 mm (1.0 in)	29 of 100 (Routine)
Millers Creek	Australia	Record daily precipitation	42.4 mm (1.7 in)	29 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record low maximum temperature	6.4 C (43.5 F)	29 of 100 (Routine)
Narsaraopet	India	Record daily precipitation	49.5 mm (1.9 in)	29 of 100 (Routine)

Counts by Type and Timescale

572 records

Records set or tied on 31 August 1945 by type: Highest daily maximum 99, Lowest daily maximum 14, Highest daily minimum 147, Lowest daily minimum 10, Heaviest daily rainfall 302.

Records on 31 August 1945 by type
Record type	Records
Highest daily maximum	99
Lowest daily maximum	14
Highest daily minimum	147
Lowest daily minimum	10
Heaviest daily rainfall	302
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 August 1945 by timescale: all-time 3, monthly 14, daily 555.

How Much Records Were Beaten By

465 broken records

Margins by which the 465 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 99.8. Ties are not counted.

Top 20 by Significance

31 August 1945

Top 20 records on 31 August 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 August 1945	Back Plains, AU	monthly rain	58.7 mm (2.3 in)	26.7 mm (1.1 in)	20 years	58 of 100 (Notable)
31 August 1945	Balgownie West, AU	monthly rain	60.2 mm (2.4 in)	22.1 mm (0.9 in)	29 years	53 of 100 (Notable)
31 August 1945	Western Creek, AU	monthly rain	57.9 mm (2.3 in)	15.7 mm (0.6 in)	44 years	49 of 100 (Notable)
31 August 1945	Hallock, US	daily rain	61.0 mm (2.4 in)	47.8 mm (1.9 in)	19 years	49 of 100 (Notable)
31 August 1945	Brainerd, US	daily rain	91.2 mm (3.6 in)	53.1 mm (2.1 in)	22 years	47 of 100 (Notable)
31 August 1945	Escanaba, US	daily rain	52.3 mm (2.1 in)	31.7 mm (1.2 in)	32 years	47 of 100 (Notable)
31 August 1945	Tobolsk, RU	daily rain	35.9 mm (1.4 in)	20.1 mm (0.8 in)	23 years	46 of 100 (Notable)
31 August 1945	Mancelona, US	all-time rain	73.2 mm (2.9 in)	7.2 mm (0.28 in)	47 years	46 of 100 (Notable)
31 August 1945	Leyburn Post Office, AU	daily rain	40.4 mm (1.6 in)	30.2 mm (1.2 in)	27 years	45 of 100 (Notable)
31 August 1945	Tenterfield (Federation Park), AU	daily rain	37.6 mm (1.5 in)	18.5 mm (0.7 in)	58 years	45 of 100 (Notable)
31 August 1945	Logansport Cicott St, US	daily rain	79.0 mm (3.1 in)	56.4 mm (2.2 in)	0 years	45 of 100 (Notable)
31 August 1945	Bay City, US	daily rain	91.4 mm (3.6 in)	75.1 mm (3.0 in)	0 years	45 of 100 (Notable)
31 August 1945	Midland 2, US	daily rain	89.9 mm (3.5 in)	62.0 mm (2.4 in)	0 years	45 of 100 (Notable)
31 August 1945	Millmerran Post Office, AU	daily rain	55.4 mm (2.2 in)	44.2 mm (1.7 in)	2 years	44 of 100 (Notable)
31 August 1945	Weribone, AU	daily rain	44.2 mm (1.7 in)	27.7 mm (1.1 in)	46 years	44 of 100 (Notable)
31 August 1945	Frankfort 2NE, US	daily rain	60.5 mm (2.4 in)	50.8 mm (2.0 in)	0 years	44 of 100 (Notable)
31 August 1945	Saginaw Mbs Intl AP, US	daily rain	85.1 mm (3.4 in)	63.3 mm (2.5 in)	0 years	44 of 100 (Notable)
31 August 1945	Westbrook, AU	daily rain	38.6 mm (1.5 in)	33.5 mm (1.3 in)	2 years	42 of 100 (Notable)
31 August 1945	Sathenapalli, IN	daily rain	72.1 mm (2.8 in)	57.9 mm (2.3 in)	10 years	42 of 100 (Notable)
31 August 1945	Tufanganj, IN	daily rain	241.3 mm (9.5 in)	99.8 mm (3.9 in)	28 years	42 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 572 records.

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

Records on 08-31 in each year
Year	Records
1796	1
1806	1
1807	2
1813	1
1814	1
1816	1
1827	1
1836	1
1846	1
1849	1
1851	1
1856	2
1858	1
1859	1
1860	1
1861	1
1863	1
1867	1
1869	1
1873	1
1875	1
1876	1
1877	2
1879	2
1881	3
1882	2
1885	1
1886	5
1887	1
1889	1
1890	2
1892	3
1893	1
1894	1
1895	1
1896	1
1897	5
1898	10
1899	4
1900	3
1901	5
1902	5
1903	16
1904	13
1905	8
1906	47
1907	6
1908	12
1909	39
1910	20
1911	31
1912	34
1913	40
1914	23
1915	71
1916	7
1917	60
1918	58
1919	25
1920	46
1921	86
1922	58
1923	63
1924	232
1925	111
1926	148
1927	103
1928	201
1929	300
1930	243
1931	192
1932	807
1933	424
1934	381
1935	540
1936	226
1937	508
1938	324
1939	296
1940	400
1941	528
1942	422
1943	650
1944	638
1945	572
1946	545
1947	473
1948	367
1949	409
1950	662
1951	910
1952	388
1953	1,054
1954	633
1955	539
1956	734
1957	317
1958	417
1959	496
1960	366
1961	625
1962	432
1963	415
1964	591
1965	886
1966	830
1967	952
1968	562
1969	474
1970	558
1971	326
1972	287
1973	793
1974	587
1975	658
1976	732
1977	621
1978	891
1979	400
1980	701
1981	692
1982	586
1983	788
1984	866
1985	854
1986	1,218
1987	836
1988	570
1989	622
1990	966
1991	848
1992	1,274
1993	1,286
1994	1,139
1995	1,077
1996	1,451
1997	943
1998	1,163
1999	988
2000	1,545
2001	944
2002	852
2003	1,232
2004	963
2005	1,782
2006	1,147
2007	1,110
2008	870
2009	1,224
2010	1,490
2011	994
2012	932
2013	771
2014	458
2015	1,074
2016	599
2017	596
2018	366
2019	781
2020	737
2021	553
2022	1,191
2023	600
2024	766
2025	307
2026	595

Download the Data

Data for records on 1945-08-31: 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	413
20 to 40	34
40 to 60	12
60 to 80	3
80 to 100	3