Weather Records on 31 August 1983

788 weather records were set or tied worldwide on 31 August 1983. Highest significance: Keanae 346, US.

Key Facts for 31 August 1983

On 31 August 1983, 788 weather records were set or tied at long-record stations worldwide.
474 were record highs and 75 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 19 monthly and 768 daily.
Keanae 346 set a daily record precipitation of 180.3 mm (7.1 in) on 31 August 1983.
Across 165 earlier years (1796 to 2026) the same calendar date averaged 434 records.

Record Map

788 stations

788 station records on 31 August 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 August 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Keanae 346	United States	Record daily precipitation	180.3 mm (7.1 in)	67 of 100 (Major)
Lupi Upper 442	United States	Record daily precipitation	190.5 mm (7.5 in)	65 of 100 (Major)
Ft Bragg 5 N	United States	Record daily precipitation	52.1 mm (2.1 in)	64 of 100 (Major)
Ft Ross	United States	Record daily precipitation	26.2 mm (1.0 in)	59 of 100 (Notable)
Scotia	United States	Record daily precipitation	31.0 mm (1.2 in)	58 of 100 (Notable)
Cowichan Bay Cherry Point	Canada	Record daily precipitation	32.0 mm (1.3 in)	56 of 100 (Notable)
Point Arena	United States	Record daily precipitation	49.5 mm (1.9 in)	56 of 100 (Notable)
St Margaret's Bay	Canada	Record daily precipitation	65.2 mm (2.6 in)	55 of 100 (Notable)
Kailiili 436	United States	Record daily precipitation	217.2 mm (8.6 in)	55 of 100 (Notable)
Vorogovo	Russia	Record daily precipitation	50.4 mm (2.0 in)	54 of 100 (Notable)
Chestnut Hill	United States	Record daily precipitation	76.2 mm (3.0 in)	54 of 100 (Notable)
Van Horn	United States	Record high minimum temperature	29.4 C (84.9 F)	54 of 100 (Notable)
Grafton	United States	Record daily precipitation	45.2 mm (1.8 in)	52 of 100 (Notable)
Harmony	Canada	Record daily precipitation	105.6 mm (4.2 in)	51 of 100 (Notable)
Paradise	Canada	Record daily precipitation	58.0 mm (2.3 in)	51 of 100 (Notable)
Belogorsk	Russia	Record daily precipitation	71.3 mm (2.8 in)	50 of 100 (Notable)
Victoria Gonzales Hts	Canada	Record daily precipitation	27.5 mm (1.1 in)	49 of 100 (Notable)
Bear River	Canada	Record daily precipitation	57.0 mm (2.2 in)	49 of 100 (Notable)
Liverpool Big Falls	Canada	Record daily precipitation	66.2 mm (2.6 in)	49 of 100 (Notable)
Shilka	Russia	Record daily precipitation	38.9 mm (1.5 in)	49 of 100 (Notable)
Garberville	United States	Record daily precipitation	32.8 mm (1.3 in)	49 of 100 (Notable)
Mount Uniacke	Canada	Record daily precipitation	62.2 mm (2.4 in)	48 of 100 (Notable)
Sawyers Bar Rs	United States	Record daily precipitation	55.4 mm (2.2 in)	48 of 100 (Notable)
Mad River Rs	United States	Record daily precipitation	61.0 mm (2.4 in)	47 of 100 (Notable)
Kemptville	Canada	Record daily precipitation	75.0 mm (3.0 in)	46 of 100 (Notable)
Happy Camp Rs	United States	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Madrid/Getafe	Spain	Record daily precipitation	40.2 mm (1.6 in)	43 of 100 (Notable)
Dalton	United States	Record daily precipitation	39.6 mm (1.6 in)	43 of 100 (Notable)
Franklinville	United States	Record daily precipitation	37.6 mm (1.5 in)	43 of 100 (Notable)
Ecum Secum	Canada	Record daily precipitation	72.0 mm (2.8 in)	42 of 100 (Notable)
Upper Stewiacke	Canada	Record daily precipitation	40.8 mm (1.6 in)	42 of 100 (Notable)
Twin Lakes	United States	Record daily precipitation	36.6 mm (1.4 in)	41 of 100 (Notable)
Upper Mattole	United States	Record daily precipitation	47.0 mm (1.9 in)	41 of 100 (Notable)
Tusket	Canada	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Galveston	United States	Record high maximum temperature	36.7 C (98.1 F)	40 of 100 (Notable)
Greenwood A	Canada	Record daily precipitation	48.9 mm (1.9 in)	39 of 100 (Notable)
Springfield	Canada	Record daily precipitation	73.0 mm (2.9 in)	39 of 100 (Notable)
Romanovka	Russia	Record daily precipitation	37.3 mm (1.5 in)	39 of 100 (Notable)
Lakeport 2	United States	Record daily precipitation	71.4 mm (2.8 in)	39 of 100 (Notable)
Port Hastings	Canada	Record daily precipitation	52.2 mm (2.1 in)	38 of 100 (Notable)
Big Bar 4 E	United States	Record daily precipitation	26.9 mm (1.1 in)	38 of 100 (Notable)
Kanchanaburi	Thailand	Record daily precipitation	58.8 mm (2.3 in)	37 of 100 (Notable)
Baddeck	Canada	Record daily precipitation	48.0 mm (1.9 in)	36 of 100 (Notable)
Seattle Urban Site	United States	Record high minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
Atlin	Canada	Record high minimum temperature	11.0 C (51.8 F)	35 of 100 (Notable)
Arecibo 3 ESE	Puerto Rico [United States]	Record low minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Greenville 2 NE	United States	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Bowie	United States	Record high maximum temperature	41.1 C (106.0 F)	35 of 100 (Notable)
Robe Comparison	Australia	Record high minimum temperature	13.2 C (55.8 F)	34 of 100 (Routine)
Breona	Australia	Record daily precipitation	61.8 mm (2.4 in)	34 of 100 (Routine)
Soria	Spain	Record daily precipitation	39.7 mm (1.6 in)	34 of 100 (Routine)
Mesa	United States	Record high minimum temperature	26.1 C (79.0 F)	34 of 100 (Routine)
Clinton	United States	Record daily precipitation	65.5 mm (2.6 in)	34 of 100 (Routine)
Indian Head Cda	Canada	Record high minimum temperature	18.0 C (64.4 F)	33 of 100 (Routine)
Avon	Canada	Record daily precipitation	56.0 mm (2.2 in)	33 of 100 (Routine)
Tonichi	Mexico	Record low minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Tonichi	Mexico	Record daily precipitation	85.9 mm (3.4 in)	33 of 100 (Routine)
Ukiah	United States	Record low maximum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Talbotton	United States	Record high maximum temperature	40.0 C (104.0 F)	33 of 100 (Routine)
San Saba	United States	Record high maximum temperature	38.9 C (102.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

788 records

Records set or tied on 31 August 1983 by type: Highest daily maximum 243, Lowest daily maximum 36, Highest daily minimum 231, Lowest daily minimum 39, Heaviest daily rainfall 239.

Records on 31 August 1983 by type
Record type	Records
Highest daily maximum	243
Lowest daily maximum	36
Highest daily minimum	231
Lowest daily minimum	39
Heaviest daily rainfall	239
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 August 1983 by timescale: all-time 1, monthly 19, daily 768.

How Much Records Were Beaten By

623 broken records

Margins by which the 623 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 133.9. Ties are not counted.

Top 20 by Significance

31 August 1983

Top 20 records on 31 August 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 August 1983	Keanae 346, US	daily rain	180.3 mm (7.1 in)	96.7 mm (3.8 in)	77 years	67 of 100 (Major)
31 August 1983	Lupi Upper 442, US	daily rain	190.5 mm (7.5 in)	133.9 mm (5.3 in)	64 years	65 of 100 (Major)
31 August 1983	Ft Bragg 5 N, US	monthly rain	52.1 mm (2.1 in)	25.4 mm (1.0 in)	21 years	64 of 100 (Major)
31 August 1983	Ft Ross, US	daily rain	26.2 mm (1.0 in)	23.2 mm (0.9 in)	38 years	59 of 100 (Notable)
31 August 1983	Scotia, US	daily rain	31.0 mm (1.2 in)	28.7 mm (1.1 in)	45 years	58 of 100 (Notable)
31 August 1983	Cowichan Bay Cherry Point, CA	daily rain	32.0 mm (1.3 in)	19.6 mm (0.8 in)	46 years	56 of 100 (Notable)
31 August 1983	Point Arena, US	monthly rain	49.5 mm (1.9 in)	26.4 mm (1.0 in)	7 years	56 of 100 (Notable)
31 August 1983	St Margaret's Bay, CA	daily rain	65.2 mm (2.6 in)	51.2 mm (2.0 in)	48 years	55 of 100 (Notable)
31 August 1983	Kailiili 436, US	monthly rain	217.2 mm (8.6 in)	57.2 mm (2.3 in)	43 years	55 of 100 (Notable)
31 August 1983	Vorogovo, RU	daily rain	50.4 mm (2.0 in)	37.9 mm (1.5 in)	36 years	54 of 100 (Notable)
31 August 1983	Chestnut Hill, US	daily rain	76.2 mm (3.0 in)	47.2 mm (1.9 in)	41 years	54 of 100 (Notable)
31 August 1983	Van Horn, US	daily high min	29.4 C (84.9 F)	7.7 C (13.9 F)	40 years	54 of 100 (Notable)
31 August 1983	Grafton, US	daily rain	45.2 mm (1.8 in)	19.8 mm (0.8 in)	87 years	52 of 100 (Notable)
31 August 1983	Harmony, CA	daily rain	105.6 mm (4.2 in)	95.4 mm (3.8 in)	26 years	51 of 100 (Notable)
31 August 1983	Paradise, CA	daily rain	58.0 mm (2.3 in)	46.6 mm (1.8 in)	28 years	51 of 100 (Notable)
31 August 1983	Belogorsk, RU	daily rain	71.3 mm (2.8 in)	43.0 mm (1.7 in)	32 years	50 of 100 (Notable)
31 August 1983	Victoria Gonzales Hts, CA	daily rain	27.5 mm (1.1 in)	11.5 mm (0.5 in)	46 years	49 of 100 (Notable)
31 August 1983	Bear River, CA	daily rain	57.0 mm (2.2 in)	44.6 mm (1.8 in)	28 years	49 of 100 (Notable)
31 August 1983	Liverpool Big Falls, CA	daily rain	66.2 mm (2.6 in)	43.3 mm (1.7 in)	32 years	49 of 100 (Notable)
31 August 1983	Shilka, RU	daily rain	38.9 mm (1.5 in)	29.6 mm (1.2 in)	36 years	49 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 788 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 1983-08-31: 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	568
20 to 40	39
40 to 60	13
60 to 80	0
80 to 100	2
100 to 120	0
120 to 140	1