Weather Records on 25 August 1983

1,277 weather records were set or tied worldwide on 25 August 1983. Highest significance: Sedan, AU.

Key Facts for 25 August 1983

On 25 August 1983, 1,277 weather records were set or tied at long-record stations worldwide.
623 were record highs and 158 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 40 monthly and 1,237 daily.
Sedan set a daily record precipitation of 25.2 mm (1.0 in) on 25 August 1983.
Across 168 earlier years (1796 to 2026) the same calendar date averaged 432 records.

Record Map

1,277 stations

1,277 station records on 25 August 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 August 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sedan	Australia	Record daily precipitation	25.2 mm (1.0 in)	71 of 100 (Major)
Grong Grong (Berembed)	Australia	Record daily precipitation	35.4 mm (1.4 in)	69 of 100 (Major)
Decorah	United States	Record daily precipitation	84.8 mm (3.3 in)	65 of 100 (Major)
Adelaide (Pooraka)	Australia	Record daily precipitation	28.8 mm (1.1 in)	63 of 100 (Major)
Faribault	United States	Record daily precipitation	104.9 mm (4.1 in)	63 of 100 (Major)
Ganca	Azerbaijan	Record daily precipitation	27.5 mm (1.1 in)	62 of 100 (Major)
Angaston	Australia	Record daily precipitation	29.2 mm (1.1 in)	61 of 100 (Major)
Bologna	Italy	Record daily precipitation	86.6 mm (3.4 in)	61 of 100 (Major)
Adelaide (Port Dock Railway St	Australia	Record daily precipitation	29.0 mm (1.1 in)	59 of 100 (Notable)
Aldinga Post Office	Australia	Record daily precipitation	28.2 mm (1.1 in)	59 of 100 (Notable)
Adelaide (Tea Tree Gully Counc	Australia	Record daily precipitation	32.0 mm (1.3 in)	59 of 100 (Notable)
Parafield Airport	Australia	Record daily precipitation	26.0 mm (1.0 in)	58 of 100 (Notable)
Williamstown	Australia	Record daily precipitation	34.4 mm (1.4 in)	58 of 100 (Notable)
Beachport	Australia	Record daily precipitation	27.8 mm (1.1 in)	57 of 100 (Notable)
Happy Valley Reservoir	Australia	Record daily precipitation	35.4 mm (1.4 in)	56 of 100 (Notable)
Carabost	Australia	Record daily precipitation	47.0 mm (1.9 in)	56 of 100 (Notable)
Lynxville Dam 9	United States	Record daily precipitation	127.0 mm (5.0 in)	56 of 100 (Notable)
Glenelg Post Office	Australia	Record daily precipitation	28.2 mm (1.1 in)	55 of 100 (Notable)
Adelaide (Glen Osmond)	Australia	Record daily precipitation	33.6 mm (1.3 in)	55 of 100 (Notable)
McLaren Vale	Australia	Record daily precipitation	26.0 mm (1.0 in)	55 of 100 (Notable)
Willaura (Yarram Park)	Australia	Record daily precipitation	25.0 mm (1.0 in)	55 of 100 (Notable)
Coonalpyn	Australia	Record daily precipitation	26.2 mm (1.0 in)	54 of 100 (Notable)
Dunolly	Australia	Record daily precipitation	32.4 mm (1.3 in)	53 of 100 (Notable)
Kadina	Australia	Record daily precipitation	25.4 mm (1.0 in)	52 of 100 (Notable)
Adelaide (Salisbury Bowling Cl	Australia	Record daily precipitation	27.2 mm (1.1 in)	52 of 100 (Notable)
Robe Comparison	Australia	Record daily precipitation	41.0 mm (1.6 in)	52 of 100 (Notable)
Boorara	Australia	Record daily precipitation	42.4 mm (1.7 in)	52 of 100 (Notable)
Mc Henry 3W	United States	Record daily precipitation	71.1 mm (2.8 in)	52 of 100 (Notable)
Belair (Kalyra)	Australia	Record daily precipitation	31.0 mm (1.2 in)	50 of 100 (Notable)
Echunga Golf Course	Australia	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Argalong (the Farm)	Australia	Record daily precipitation	64.0 mm (2.5 in)	50 of 100 (Notable)
Cnory	Georgia	Record daily precipitation	44.6 mm (1.8 in)	50 of 100 (Notable)
Ardrossan (Winulta)	Australia	Record daily precipitation	27.0 mm (1.1 in)	49 of 100 (Notable)
Tanunda	Australia	Record daily precipitation	25.0 mm (1.0 in)	49 of 100 (Notable)
Preston	United States	Record daily precipitation	119.4 mm (4.7 in)	49 of 100 (Notable)
Yalwal	Australia	Record daily precipitation	70.0 mm (2.8 in)	48 of 100 (Notable)
Montgomery	United States	Record daily precipitation	93.0 mm (3.7 in)	48 of 100 (Notable)
Adelaide (Seaton)	Australia	Record daily precipitation	32.4 mm (1.3 in)	47 of 100 (Notable)
Willunga	Australia	Record daily precipitation	32.6 mm (1.3 in)	47 of 100 (Notable)
Rochester Intl AP	United States	Record daily precipitation	68.3 mm (2.7 in)	47 of 100 (Notable)
Collaroy Station	Australia	Record daily precipitation	44.0 mm (1.7 in)	46 of 100 (Notable)
Springhurst	Australia	Record daily precipitation	27.8 mm (1.1 in)	46 of 100 (Notable)
Coromandel Valley (Branden)	Australia	Record daily precipitation	33.8 mm (1.3 in)	44 of 100 (Notable)
Houghton (Glen Ewin)	Australia	Record daily precipitation	36.9 mm (1.5 in)	44 of 100 (Notable)
Yankalilla	Australia	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Orebro	Sweden	Record low minimum temperature	1.2 C (34.2 F)	44 of 100 (Notable)
Adelaide (Parafield Plant Intr	Australia	Record daily precipitation	27.4 mm (1.1 in)	43 of 100 (Notable)
Normanville	Australia	Record daily precipitation	27.0 mm (1.1 in)	43 of 100 (Notable)
Mason City	United States	Record daily precipitation	87.9 mm (3.5 in)	43 of 100 (Notable)
Waukon 3NNE	United States	Record daily precipitation	96.0 mm (3.8 in)	43 of 100 (Notable)
Rimini 2 SSW	United States	Record daily precipitation	87.9 mm (3.5 in)	43 of 100 (Notable)
Uraidla	Australia	Record daily precipitation	52.0 mm (2.0 in)	42 of 100 (Notable)
Keyneton	Australia	Record daily precipitation	34.6 mm (1.4 in)	41 of 100 (Notable)
Mount Pleasant	Australia	Record daily precipitation	34.6 mm (1.4 in)	41 of 100 (Notable)
Sable Island	Canada	Record low minimum temperature	5.9 C (42.6 F)	41 of 100 (Notable)
Lanesboro	United States	Record daily precipitation	87.6 mm (3.4 in)	41 of 100 (Notable)
Warrenton 1 N	United States	Record high maximum temperature	41.7 C (107.1 F)	41 of 100 (Notable)
Tashkent	Uzbekistan	Record high minimum temperature	19.6 C (67.3 F)	41 of 100 (Notable)
Clarendon	Australia	Record daily precipitation	37.6 mm (1.5 in)	40 of 100 (Notable)
Myponga	Australia	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)

Counts by Type and Timescale

1,277 records

Records set or tied on 25 August 1983 by type: Highest daily maximum 217, Lowest daily maximum 74, Highest daily minimum 406, Lowest daily minimum 84, Heaviest daily rainfall 496.

Records on 25 August 1983 by type
Record type	Records
Highest daily maximum	217
Lowest daily maximum	74
Highest daily minimum	406
Lowest daily minimum	84
Heaviest daily rainfall	496
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 25 August 1983 by timescale: all-time 0, monthly 40, daily 1,237.

How Much Records Were Beaten By

1,026 broken records

Margins by which the 1,026 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 77.3. Ties are not counted.

Top 20 by Significance

25 August 1983

Top 20 records on 25 August 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 1983	Sedan, AU	daily rain	25.2 mm (1.0 in)	17.6 mm (0.7 in)	89 years	71 of 100 (Major)
25 August 1983	Grong Grong (Berembed), AU	daily rain	35.4 mm (1.4 in)	23.5 mm (0.9 in)	68 years	69 of 100 (Major)
25 August 1983	Decorah, US	daily rain	84.8 mm (3.3 in)	49.2 mm (1.9 in)	76 years	65 of 100 (Major)
25 August 1983	Adelaide (Pooraka), AU	daily rain	28.8 mm (1.1 in)	18.1 mm (0.7 in)	44 years	63 of 100 (Major)
25 August 1983	Faribault, US	daily rain	104.9 mm (4.1 in)	63.0 mm (2.5 in)	50 years	63 of 100 (Major)
25 August 1983	Ganca, AZ	daily rain	27.5 mm (1.1 in)	16.3 mm (0.6 in)	73 years	62 of 100 (Major)
25 August 1983	Angaston, AU	daily rain	29.2 mm (1.1 in)	18.8 mm (0.7 in)	58 years	61 of 100 (Major)
25 August 1983	Bologna, IT	monthly rain	86.6 mm (3.4 in)	11.6 mm (0.5 in)	106 years	61 of 100 (Major)
25 August 1983	Adelaide (Port Dock Railway St, AU	daily rain	29.0 mm (1.1 in)	16.3 mm (0.6 in)	56 years	59 of 100 (Notable)
25 August 1983	Aldinga Post Office, AU	daily rain	28.2 mm (1.1 in)	15.5 mm (0.6 in)	58 years	59 of 100 (Notable)
25 August 1983	Adelaide (Tea Tree Gully Counc, AU	daily rain	32.0 mm (1.3 in)	15.5 mm (0.6 in)	76 years	59 of 100 (Notable)
25 August 1983	Parafield Airport, AU	daily rain	26.0 mm (1.0 in)	17.9 mm (0.7 in)	45 years	58 of 100 (Notable)
25 August 1983	Williamstown, AU	daily rain	34.4 mm (1.4 in)	15.3 mm (0.6 in)	87 years	58 of 100 (Notable)
25 August 1983	Beachport, AU	daily rain	27.8 mm (1.1 in)	12.3 mm (0.5 in)	87 years	57 of 100 (Notable)
25 August 1983	Happy Valley Reservoir, AU	daily rain	35.4 mm (1.4 in)	22.2 mm (0.9 in)	20 years	56 of 100 (Notable)
25 August 1983	Carabost, AU	daily rain	47.0 mm (1.9 in)	24.1 mm (0.9 in)	58 years	56 of 100 (Notable)
25 August 1983	Lynxville Dam 9, US	daily rain	127.0 mm (5.0 in)	68.6 mm (2.7 in)	42 years	56 of 100 (Notable)
25 August 1983	Glenelg Post Office, AU	daily rain	28.2 mm (1.1 in)	16.5 mm (0.6 in)	28 years	55 of 100 (Notable)
25 August 1983	Adelaide (Glen Osmond), AU	daily rain	33.6 mm (1.3 in)	17.3 mm (0.7 in)	44 years	55 of 100 (Notable)
25 August 1983	McLaren Vale, AU	daily rain	26.0 mm (1.0 in)	18.9 mm (0.7 in)	37 years	55 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 1983

Records set or tied on this calendar date in each year from 1796 to 1983. 1983 had 1,277 records.

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

Records on 08-25 in each year
Year	Records
1796	1
1801	1
1802	1
1807	2
1809	1
1813	1
1814	1
1816	1
1818	2
1837	1
1838	2
1839	1
1848	1
1852	1
1855	2
1859	1
1861	2
1864	1
1867	2
1869	1
1870	1
1871	2
1872	2
1875	1
1876	5
1877	3
1879	3
1880	2
1884	1
1885	2
1886	1
1887	1
1889	1
1890	3
1892	4
1893	8
1894	2
1895	4
1896	2
1897	2
1898	2
1899	5
1900	13
1901	11
1902	6
1903	13
1904	11
1905	12
1906	29
1907	15
1908	13
1909	22
1910	32
1911	32
1912	32
1913	31
1914	30
1915	94
1916	18
1917	65
1918	37
1919	172
1920	174
1921	50
1922	70
1923	117
1924	402
1925	145
1926	224
1927	356
1928	167
1929	174
1930	247
1931	251
1932	270
1933	307
1934	457
1935	317
1936	859
1937	333
1938	620
1939	366
1940	658
1941	474
1942	514
1943	496
1944	589
1945	462
1946	305
1947	627
1948	876
1949	281
1950	327
1951	352
1952	585
1953	461
1954	520
1955	711
1956	273
1957	479
1958	958
1959	576
1960	585
1961	487
1962	398
1963	510
1964	557
1965	401
1966	715
1967	439
1968	596
1969	631
1970	721
1971	628
1972	596
1973	537
1974	466
1975	650
1976	459
1977	731
1978	702
1979	828
1980	750
1981	671
1982	907
1983	1,277
1984	694
1985	1,048
1986	778
1987	1,533
1988	815
1989	918
1990	817
1991	688
1992	1,680
1993	1,137
1994	617
1995	1,206
1996	1,058
1997	1,553
1998	1,138
1999	895
2000	790
2001	1,021
2002	1,073
2003	872
2004	947
2005	874
2006	1,020
2007	1,345
2008	1,026
2009	824
2010	1,321
2011	1,332
2012	709
2013	619
2014	853
2015	1,157
2016	887
2017	432
2018	438
2019	708
2020	931
2021	597
2022	672
2023	1,565
2024	909
2025	1,071
2026	886

Download the Data

Data for records on 1983-08-25: 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 10	886
10 to 20	103
20 to 30	14
30 to 40	12
40 to 50	6
50 to 60	2
60 to 70	2
70 to 80	1