Weather Records on 31 October 1983

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

Key Facts for 31 October 1983

On 31 October 1983, 782 weather records were set or tied at long-record stations worldwide.
499 were record highs and 134 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 42 monthly and 740 daily.
Keanae 346 set a monthly record daily precipitation of 414.0 mm (16.3 in) on 31 October 1983.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 470 records.

Record Map

782 stations

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

Weather records on 31 October 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Keanae 346	United States	Record daily precipitation	414.0 mm (16.3 in)	69 of 100 (Major)
Lupi Upper 442	United States	Record daily precipitation	485.1 mm (19.1 in)	66 of 100 (Major)
Breadalbane (Old Post Office)	Australia	Record daily precipitation	48.4 mm (1.9 in)	55 of 100 (Notable)
Kailiili 436	United States	Record daily precipitation	336.0 mm (13.2 in)	55 of 100 (Notable)
Sacramento 5 ESE	United States	Record high minimum temperature	16.1 C (61.0 F)	53 of 100 (Notable)
Encantado	Brazil	Record daily precipitation	78.5 mm (3.1 in)	49 of 100 (Notable)
Tkvarcheli	Georgia	Record daily precipitation	89.0 mm (3.5 in)	47 of 100 (Notable)
Conde	Brazil	Record daily precipitation	147.0 mm (5.8 in)	46 of 100 (Notable)
Konstantinovsk	Russia	Record daily precipitation	32.5 mm (1.3 in)	45 of 100 (Notable)
Penedo	Brazil	Record daily precipitation	40.8 mm (1.6 in)	43 of 100 (Notable)
Ingwavuma (Tnk)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Samnanger	Norway	Record daily precipitation	97.5 mm (3.8 in)	42 of 100 (Notable)
Hartbeespoort Dam (Irr)	South Africa	Record daily precipitation	36.0 mm (1.4 in)	42 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Elmendorf AFB	United States	Record daily snowfall	18.5 cm (7.3 in)	41 of 100 (Notable)
Vanersborg	Sweden	Record high maximum temperature	12.9 C (55.2 F)	37 of 100 (Notable)
Sunnyside	United States	Record high minimum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Moosomin	Canada	Record high maximum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Kirensk	Russia	Record high minimum temperature	0.8 C (33.4 F)	35 of 100 (Notable)
Alturas	United States	Record high minimum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Heber	United States	Record high minimum temperature	5.0 C (41.0 F)	35 of 100 (Notable)
Whitewood	Canada	Record high maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
D'Java	Georgia	Record daily precipitation	26.0 mm (1.0 in)	34 of 100 (Routine)
King City	United States	Record high minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Clover Valley	United States	Record high minimum temperature	5.6 C (42.1 F)	34 of 100 (Routine)
Riddle	United States	Record high minimum temperature	12.2 C (54.0 F)	34 of 100 (Routine)
Garrison	United States	Record high minimum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Anchorage Ted Stevens Intl AP	United States	Record daily snowfall	15.2 cm (6.0 in)	34 of 100 (Routine)
Russell	Canada	Record high maximum temperature	19.0 C (66.2 F)	33 of 100 (Routine)
Crescent City 3 NNW	United States	Record high minimum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Ashton 1N	United States	Record high minimum temperature	5.6 C (42.1 F)	33 of 100 (Routine)
Coeur D'Alene	United States	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Naalehu 14	United States	Record low minimum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Chaplin	Canada	Record high minimum temperature	6.0 C (42.8 F)	32 of 100 (Routine)
Cimljansk	Russia	Record daily precipitation	37.5 mm (1.5 in)	32 of 100 (Routine)
Napa State Hospital	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Cambridge	United States	Record high minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Ft Bayard 4W	United States	Record high minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Canyon Dam	United States	Record high minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Placerville	United States	Record high minimum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Arrowrock Dam	United States	Record high minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Springfield	United States	Record low minimum temperature	-7.2 C (19.0 F)	31 of 100 (Routine)
Polson	United States	Record high maximum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Moran 5WNW	United States	Record high minimum temperature	3.3 C (37.9 F)	31 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	6.6 C (43.9 F)	30 of 100 (Routine)
Tonala (Smn)	Mexico	Record high minimum temperature	27.2 C (81.0 F)	30 of 100 (Routine)
Lodi	United States	Record high minimum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Eureka	United States	Record high minimum temperature	3.9 C (39.0 F)	30 of 100 (Routine)
Hermiston 1 SE	United States	Record high minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Hatton 9 SE	United States	Record high minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Downieville	United States	Record high minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Orick Prairie Creek Park	United States	Record daily precipitation	60.2 mm (2.4 in)	29 of 100 (Routine)
Ft Assiniboine	United States	Record high minimum temperature	6.1 C (43.0 F)	29 of 100 (Routine)
Ft Sumner	United States	Record high minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Portales	United States	Record high minimum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Nikorcminda	Georgia	Record daily precipitation	40.8 mm (1.6 in)	28 of 100 (Routine)
Hanford 1 S	United States	Record high minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Alliance 1WNW	United States	Record high maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Union	United States	Record high minimum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
San Francisco Intl AP	United States	Record high minimum temperature	15.6 C (60.1 F)	28 of 100 (Routine)

Counts by Type and Timescale

782 records

Records set or tied on 31 October 1983 by type: Highest daily maximum 140, Lowest daily maximum 30, Highest daily minimum 359, Lowest daily minimum 104, Heaviest daily rainfall 140, Heaviest daily snowfall 6, Deepest snow cover 3.

Records on 31 October 1983 by type
Record type	Records
Highest daily maximum	140
Lowest daily maximum	30
Highest daily minimum	359
Lowest daily minimum	104
Heaviest daily rainfall	140
Heaviest daily snowfall	6
Deepest snow cover	3

Records on 31 October 1983 by timescale: all-time 0, monthly 42, daily 740.

How Much Records Were Beaten By

624 broken records

Margins by which the 624 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 266.7. Ties are not counted.

Top 20 by Significance

31 October 1983

Top 20 records on 31 October 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 1983	Keanae 346, US	monthly rain	414.0 mm (16.3 in)	148.1 mm (5.8 in)	42 years	69 of 100 (Major)
31 October 1983	Lupi Upper 442, US	monthly rain	485.1 mm (19.1 in)	266.7 mm (10.5 in)	36 years	66 of 100 (Major)
31 October 1983	Breadalbane (Old Post Office), AU	daily rain	48.4 mm (1.9 in)	25.0 mm (1.0 in)	60 years	55 of 100 (Notable)
31 October 1983	Kailiili 436, US	monthly rain	336.0 mm (13.2 in)	132.3 mm (5.2 in)	0 years	55 of 100 (Notable)
31 October 1983	Sacramento 5 ESE, US	daily high min	16.1 C (61.0 F)	3.9 C (7.0 F)	98 years	53 of 100 (Notable)
31 October 1983	Encantado, BR	daily rain	78.5 mm (3.1 in)	59.1 mm (2.3 in)	25 years	49 of 100 (Notable)
31 October 1983	Tkvarcheli, GE	daily rain	89.0 mm (3.5 in)	57.0 mm (2.2 in)	26 years	47 of 100 (Notable)
31 October 1983	Conde, BR	monthly rain	147.0 mm (5.8 in)	41.0 mm (1.6 in)	18 years	46 of 100 (Notable)
31 October 1983	Konstantinovsk, RU	daily rain	32.5 mm (1.3 in)	22.0 mm (0.9 in)	4 years	45 of 100 (Notable)
31 October 1983	Penedo, BR	daily rain	40.8 mm (1.6 in)	22.7 mm (0.9 in)	61 years	43 of 100 (Notable)
31 October 1983	Ingwavuma (Tnk), ZA	daily rain	33.0 mm (1.3 in)	22.3 mm (0.9 in)	60 years	43 of 100 (Notable)
31 October 1983	Samnanger, NO	daily rain	97.5 mm (3.8 in)	34.8 mm (1.4 in)	61 years	42 of 100 (Notable)
31 October 1983	Hartbeespoort Dam (Irr), ZA	daily rain	36.0 mm (1.4 in)	13.6 mm (0.5 in)	72 years	42 of 100 (Notable)
31 October 1983	Nevada City, US	daily high min	11.1 C (52.0 F)	2.2 C (4.0 F)	88 years	41 of 100 (Notable)
31 October 1983	Elmendorf AFB, US	daily snowfall	18.5 cm (7.3 in)	16.5 cm (6.5 in)	17 years	41 of 100 (Notable)
31 October 1983	Vanersborg, SE	daily high max	12.9 C (55.2 F)	0.9 C (1.6 F)	84 years	37 of 100 (Notable)
31 October 1983	Sunnyside, US	daily high min	11.1 C (52.0 F)	3.3 C (5.9 F)	68 years	37 of 100 (Notable)
31 October 1983	Moosomin, CA	daily high max	20.0 C (68.0 F)	3.3 C (5.9 F)	80 years	36 of 100 (Notable)
31 October 1983	Kirensk, RU	daily high min	0.8 C (33.4 F)	1.1 C (2.0 F)	84 years	35 of 100 (Notable)
31 October 1983	Alturas, US	daily high min	8.3 C (46.9 F)	2.2 C (4.0 F)	76 years	35 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

1805 to 1983

Records set or tied on this calendar date in each year from 1805 to 1983. 1983 had 782 records.

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

Records on 10-31 in each year
Year	Records
1805	1
1811	2
1828	1
1836	1
1838	1
1839	1
1841	1
1845	1
1847	2
1848	1
1852	2
1856	1
1865	1
1868	1
1869	3
1873	2
1875	2
1876	1
1877	1
1878	1
1879	1
1880	1
1881	6
1883	1
1884	3
1886	1
1887	2
1888	3
1889	5
1891	3
1892	4
1893	3
1894	5
1895	4
1896	10
1897	1
1898	5
1899	4
1900	5
1901	4
1902	5
1903	5
1904	7
1905	21
1906	38
1907	22
1908	13
1909	15
1910	18
1911	32
1912	14
1913	39
1914	33
1915	11
1916	72
1917	67
1918	72
1919	112
1920	63
1921	22
1922	72
1923	359
1924	244
1925	405
1926	153
1927	183
1928	120
1929	234
1930	240
1931	178
1932	260
1933	796
1934	410
1935	981
1936	307
1937	335
1938	399
1939	415
1940	248
1941	536
1942	578
1943	213
1944	611
1945	287
1946	530
1947	371
1948	695
1949	831
1950	1,237
1951	527
1952	393
1953	303
1954	460
1955	427
1956	1,086
1957	392
1958	314
1959	484
1960	296
1961	511
1962	344
1963	631
1964	538
1965	340
1966	630
1967	748
1968	605
1969	531
1970	412
1971	992
1972	1,234
1973	581
1974	1,192
1975	827
1976	655
1977	616
1978	538
1979	1,130
1980	657
1981	497
1982	560
1983	782
1984	1,054
1985	632
1986	396
1987	1,002
1988	1,058
1989	857
1990	990
1991	3,294
1992	1,324
1993	2,926
1994	1,004
1995	1,051
1996	1,074
1997	1,553
1998	1,410
1999	997
2000	1,114
2001	1,218
2002	1,613
2003	1,167
2004	870
2005	1,048
2006	842
2007	613
2008	1,256
2009	1,030
2010	931
2011	746
2012	884
2013	623
2014	547
2015	691
2016	1,012
2017	437
2018	414
2019	2,501
2020	542
2021	469
2022	497
2023	960
2024	1,133
2025	314

Download the Data

Data for records on 1983-10-31: 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 50	614
50 to 100	5
100 to 150	3
150 to 200	1
200 to 250	0
250 to 300	1