Weather Records on 31 August 2023

600 weather records were set or tied worldwide on 31 August 2023. Highest significance: Marion, US.

Key Facts for 31 August 2023

On 31 August 2023, 600 weather records were set or tied at long-record stations worldwide.
388 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 26 monthly and 573 daily.
Marion set a monthly record daily precipitation of 227.6 mm (9.0 in) on 31 August 2023.
Across 165 earlier years (1796 to 2026) the same calendar date averaged 435 records.

Record Map

600 stations

600 station records on 31 August 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 August 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Marion	United States	Record daily precipitation	227.6 mm (9.0 in)	81 of 100 (Exceptional)
Mt Vernon	United States	Record daily precipitation	147.3 mm (5.8 in)	72 of 100 (Major)
Manning	United States	Record daily precipitation	184.9 mm (7.3 in)	71 of 100 (Major)
Idjevan	Armenia	Record daily precipitation	99.1 mm (3.9 in)	65 of 100 (Major)
Glennville 3NW	United States	Record daily precipitation	115.6 mm (4.6 in)	61 of 100 (Major)
Seine Creek	United States	Record daily precipitation	30.5 mm (1.2 in)	56 of 100 (Notable)
Kealakekua 26.2	United States	Record high minimum temperature	21.7 C (71.1 F)	55 of 100 (Notable)
Juzhno-Sahalinsk	Russia	Record daily precipitation	109.0 mm (4.3 in)	54 of 100 (Notable)
Waynesboro 2 S	United States	Record daily precipitation	116.1 mm (4.6 in)	54 of 100 (Notable)
Cedar Is	United States	Record daily precipitation	205.7 mm (8.1 in)	52 of 100 (Notable)
Washington Wwtp 4W	United States	Record daily precipitation	69.1 mm (2.7 in)	52 of 100 (Notable)
Brooklet 1 W	United States	Record daily precipitation	208.3 mm (8.2 in)	51 of 100 (Notable)
Midville Exp STN	United States	Record daily precipitation	99.1 mm (3.9 in)	50 of 100 (Notable)
Cape Leeuwin	Australia	Record high maximum temperature	24.2 C (75.6 F)	49 of 100 (Notable)
Miyazaki	Japan	Record daily precipitation	164.1 mm (6.5 in)	49 of 100 (Notable)
Clinton 2 NE	United States	Record daily precipitation	106.7 mm (4.2 in)	49 of 100 (Notable)
New Rvr McAf	United States	Record daily precipitation	110.0 mm (4.3 in)	48 of 100 (Notable)
Edenton	United States	Record daily precipitation	68.1 mm (2.7 in)	47 of 100 (Notable)
Ternej	Russia	Record daily precipitation	84.1 mm (3.3 in)	45 of 100 (Notable)
Ft Lauderdale	United States	Record high minimum temperature	27.8 C (82.0 F)	43 of 100 (Notable)
Greenville	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Bamberg	United States	Record daily precipitation	160.0 mm (6.3 in)	42 of 100 (Notable)
Brownsville	United States	Record high maximum temperature	39.4 C (102.9 F)	42 of 100 (Notable)
Hailuoto Ojakyla	Finland	Record daily precipitation	35.5 mm (1.4 in)	41 of 100 (Notable)
Irkutsk	Russia	Record high maximum temperature	28.6 C (83.5 F)	41 of 100 (Notable)
Odesa	Ukraine	Record high minimum temperature	22.4 C (72.3 F)	41 of 100 (Notable)
Pemberton	Australia	Record high maximum temperature	24.5 C (76.1 F)	40 of 100 (Notable)
Ko Samui	Thailand	Record daily precipitation	53.6 mm (2.1 in)	40 of 100 (Notable)
Bartow 1SE	United States	Record low maximum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Port-Gentil	Gabon	Record high maximum temperature	30.3 C (86.5 F)	38 of 100 (Notable)
Ocracoke	United States	Record daily precipitation	205.0 mm (8.1 in)	38 of 100 (Notable)
Xenia 6 SSE	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Darlington	United States	Record daily precipitation	121.9 mm (4.8 in)	37 of 100 (Notable)
Saddle Mountain	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Glenlands	Australia	Record daily precipitation	28.1 mm (1.1 in)	36 of 100 (Notable)
Ainazi	Estonia	Record daily precipitation	29.0 mm (1.1 in)	36 of 100 (Notable)
Pielavesi Venetmaki	Finland	Record daily precipitation	37.0 mm (1.5 in)	36 of 100 (Notable)
Posio Raistakka	Finland	Record daily precipitation	25.8 mm (1.0 in)	36 of 100 (Notable)
Daugavpils	Latvia	Record daily precipitation	38.4 mm (1.5 in)	36 of 100 (Notable)
Chara	Russia	Record high maximum temperature	27.6 C (81.7 F)	36 of 100 (Notable)
Stehag	Sweden	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Gatlinburg 2 SW	United States	Record low maximum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Orange (Angullong)	Australia	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Pudasjarvi Sarakyla	Finland	Record daily precipitation	29.4 mm (1.2 in)	35 of 100 (Notable)
Essaouira	Morocco	Record high maximum temperature	28.1 C (82.6 F)	35 of 100 (Notable)
Bacau	Romania	Record daily precipitation	34.4 mm (1.4 in)	35 of 100 (Notable)
Safford Ag Ctr	United States	Record high maximum temperature	41.1 C (106.0 F)	35 of 100 (Notable)
Baytown	United States	Record low minimum temperature	14.4 C (57.9 F)	35 of 100 (Notable)
Dwellingup	Australia	Record high maximum temperature	26.9 C (80.4 F)	34 of 100 (Routine)
Brassua Dam	United States	Record daily precipitation	32.8 mm (1.3 in)	34 of 100 (Routine)
Choshi	Japan	Record high minimum temperature	25.5 C (77.9 F)	33 of 100 (Routine)
Richmond	United States	Record high maximum temperature	31.7 C (89.1 F)	33 of 100 (Routine)
Dry Tortugas	United States	Record high minimum temperature	29.4 C (84.9 F)	33 of 100 (Routine)
Homeleigh	Australia	Record daily precipitation	42.6 mm (1.7 in)	32 of 100 (Routine)
Portland (Jamieson St)	Australia	Record daily precipitation	39.0 mm (1.5 in)	32 of 100 (Routine)
Hachinohe	Japan	Record high minimum temperature	25.5 C (77.9 F)	32 of 100 (Routine)
Kitale	Kenya	Record daily precipitation	50.0 mm (2.0 in)	32 of 100 (Routine)
Bishopville 1.4 ENE	United States	Record daily precipitation	81.5 mm (3.2 in)	32 of 100 (Routine)
Luling	United States	Record high maximum temperature	40.6 C (105.1 F)	32 of 100 (Routine)
Rottnest Island	Australia	Record high maximum temperature	28.3 C (82.9 F)	31 of 100 (Routine)

Counts by Type and Timescale

600 records

Records set or tied on 31 August 2023 by type: Highest daily maximum 149, Lowest daily maximum 47, Highest daily minimum 239, Lowest daily minimum 23, Heaviest daily rainfall 141, Deepest snow cover 1.

Records on 31 August 2023 by type
Record type	Records
Highest daily maximum	149
Lowest daily maximum	47
Highest daily minimum	239
Lowest daily minimum	23
Heaviest daily rainfall	141
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 31 August 2023 by timescale: all-time 1, monthly 26, daily 573.

How Much Records Were Beaten By

466 broken records

Margins by which the 466 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 151.1. Ties are not counted.

Top 20 by Significance

31 August 2023

Top 20 records on 31 August 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 August 2023	Marion, US	monthly rain	227.6 mm (9.0 in)	62.5 mm (2.5 in)	95 years	81 of 100 (Exceptional)
31 August 2023	Mt Vernon, US	daily rain	147.3 mm (5.8 in)	97.8 mm (3.9 in)	73 years	72 of 100 (Major)
31 August 2023	Manning, US	monthly rain	184.9 mm (7.3 in)	53.1 mm (2.1 in)	74 years	71 of 100 (Major)
31 August 2023	Idjevan, AM	daily rain	99.1 mm (3.9 in)	87.9 mm (3.5 in)	52 years	65 of 100 (Major)
31 August 2023	Glennville 3NW, US	daily rain	115.6 mm (4.6 in)	37.1 mm (1.5 in)	109 years	61 of 100 (Major)
31 August 2023	Seine Creek, US	daily rain	30.5 mm (1.2 in)	30.5 mm (1.2 in)	41 years	56 of 100 (Notable)
31 August 2023	Kealakekua 26.2, US	monthly high min	21.7 C (71.1 F)	0.6 C (1.1 F)	112 years	55 of 100 (Notable)
31 August 2023	Juzhno-Sahalinsk, RU	daily rain	109.0 mm (4.3 in)	64.3 mm (2.5 in)	24 years	54 of 100 (Notable)
31 August 2023	Waynesboro 2 S, US	daily rain	116.1 mm (4.6 in)	69.1 mm (2.7 in)	18 years	54 of 100 (Notable)
31 August 2023	Cedar Is, US	daily rain	205.7 mm (8.1 in)	151.1 mm (5.9 in)	20 years	52 of 100 (Notable)
31 August 2023	Washington Wwtp 4W, US	daily rain	69.1 mm (2.7 in)	22.1 mm (0.9 in)	116 years	52 of 100 (Notable)
31 August 2023	Brooklet 1 W, US	monthly rain	208.3 mm (8.2 in)	41.4 mm (1.6 in)	32 years	51 of 100 (Notable)
31 August 2023	Midville Exp STN, US	daily rain	99.1 mm (3.9 in)	69.9 mm (2.8 in)	13 years	50 of 100 (Notable)
31 August 2023	Cape Leeuwin, AU	daily high max	24.2 C (75.6 F)	3.1 C (5.6 F)	77 years	49 of 100 (Notable)
31 August 2023	Miyazaki, JP	daily rain	164.1 mm (6.5 in)	101.6 mm (4.0 in)	37 years	49 of 100 (Notable)
31 August 2023	Clinton 2 NE, US	daily rain	106.7 mm (4.2 in)	80.5 mm (3.2 in)	14 years	49 of 100 (Notable)
31 August 2023	New Rvr McAf, US	daily rain	110.0 mm (4.3 in)	49.0 mm (1.9 in)	58 years	48 of 100 (Notable)
31 August 2023	Edenton, US	daily rain	68.1 mm (2.7 in)	14.8 mm (0.6 in)	112 years	47 of 100 (Notable)
31 August 2023	Ternej, RU	daily rain	84.1 mm (3.3 in)	26.7 mm (1.1 in)	73 years	45 of 100 (Notable)
31 August 2023	Ft Lauderdale, US	daily high min	27.8 C (82.0 F)	0.6 C (1.1 F)	106 years	43 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 2023

Records set or tied on this calendar date in each year from 1796 to 2023. 2023 had 600 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 2023-08-31: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	438
20 to 40	14
40 to 60	5
60 to 80	4
80 to 100	3
100 to 120	1
120 to 140	0
140 to 160	1