Weather Records on 31 October 1966

630 weather records were set or tied worldwide on 31 October 1966. Highest significance: Serviceton, AU.

Key Facts for 31 October 1966

On 31 October 1966, 630 weather records were set or tied at long-record stations worldwide.
140 were record highs and 203 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 46 monthly and 584 daily.
Serviceton set a daily record precipitation of 35.3 mm (1.4 in) on 31 October 1966.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 471 records.

Record Map

630 stations

630 station records on 31 October 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 October 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Serviceton	Australia	Record daily precipitation	35.3 mm (1.4 in)	67 of 100 (Major)
Diapur (Bleak House)	Australia	Record daily precipitation	25.1 mm (1.0 in)	53 of 100 (Notable)
Nhill	Australia	Record daily precipitation	34.8 mm (1.4 in)	53 of 100 (Notable)
Gerang Gerung	Australia	Record daily precipitation	26.7 mm (1.1 in)	52 of 100 (Notable)
Keith	Australia	Record daily precipitation	36.3 mm (1.4 in)	51 of 100 (Notable)
Douglas	Australia	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
Lillimur Estate	Australia	Record daily precipitation	30.5 mm (1.2 in)	48 of 100 (Notable)
Navarre	Australia	Record daily precipitation	31.0 mm (1.2 in)	47 of 100 (Notable)
Tintinara	Australia	Record daily precipitation	26.9 mm (1.1 in)	46 of 100 (Notable)
Cubbaroo	Australia	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Nhill (Salisbury (Lynbar))	Australia	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Wartook Reservoir	Australia	Record daily precipitation	33.8 mm (1.3 in)	46 of 100 (Notable)
Wilkadene (Murtho)	Australia	Record daily precipitation	26.7 mm (1.1 in)	45 of 100 (Notable)
Steigen	Norway	Record snow depth	38.0 cm (15.0 in)	42 of 100 (Notable)
Amphitheatre	Australia	Record daily precipitation	29.5 mm (1.2 in)	41 of 100 (Notable)
Ridgley	Australia	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Nhill (Woorak)	Australia	Record daily precipitation	29.7 mm (1.2 in)	40 of 100 (Notable)
Karasjok	Norway	Record snow depth	34.0 cm (13.4 in)	40 of 100 (Notable)
Velikie Luki	Russia	Record low minimum temperature	-17.3 C (0.9 F)	40 of 100 (Notable)
Elderslie, Tweedie	South Africa	Record daily precipitation	40.1 mm (1.6 in)	40 of 100 (Notable)
Maniwaki 2	Canada	Record daily snowfall	9.1 cm (3.6 in)	38 of 100 (Notable)
Plymouth-Kingston	United States	Record low minimum temperature	-8.3 C (17.1 F)	38 of 100 (Notable)
Lake Leake (Kooeeyong)	Australia	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Mount Burr Forest Reserve	Australia	Record daily precipitation	33.8 mm (1.3 in)	37 of 100 (Notable)
Morrl Morrl (Valley View)	Australia	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Cramond, Albert Fall	South Africa	Record daily precipitation	50.5 mm (2.0 in)	37 of 100 (Notable)
Nadda (Zimmerman)	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Lexton	Australia	Record daily precipitation	29.0 mm (1.1 in)	36 of 100 (Notable)
Elliott Research Station	Australia	Record daily precipitation	44.5 mm (1.8 in)	36 of 100 (Notable)
White Cliffs (Wonnaminta)	Australia	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Groot Constantia	South Africa	Record daily precipitation	36.5 mm (1.4 in)	35 of 100 (Notable)
Kelvin (Kahana)	Australia	Record daily precipitation	45.2 mm (1.8 in)	34 of 100 (Routine)
Burnie (No 1)	Australia	Record daily precipitation	41.7 mm (1.6 in)	34 of 100 (Routine)
Mulcra	Australia	Record daily precipitation	37.1 mm (1.5 in)	33 of 100 (Routine)
Kelso	Australia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Rjazan	Russia	Record low minimum temperature	-14.7 C (5.5 F)	33 of 100 (Routine)
Edith Creek	Australia	Record daily precipitation	30.5 mm (1.2 in)	31 of 100 (Routine)
Karlshamn	Sweden	Record low minimum temperature	-4.5 C (23.9 F)	31 of 100 (Routine)
Somerville 4 NW	United States	Record low minimum temperature	-6.1 C (21.0 F)	31 of 100 (Routine)
Newport	United States	Record high minimum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Santa Cruz	United States	Record high maximum temperature	33.9 C (93.0 F)	30 of 100 (Routine)
Newton	United States	Record low minimum temperature	-6.7 C (19.9 F)	30 of 100 (Routine)
Clear Lake	Australia	Record daily precipitation	31.8 mm (1.3 in)	29 of 100 (Routine)
Stanley Post Office	Australia	Record daily precipitation	48.5 mm (1.9 in)	29 of 100 (Routine)
Oujda	Morocco	Record low minimum temperature	2.0 C (35.6 F)	29 of 100 (Routine)
Mozajsk	Russia	Record low minimum temperature	-19.4 C (-2.9 F)	29 of 100 (Routine)
Hyannis	United States	Record low minimum temperature	-12.8 C (9.0 F)	29 of 100 (Routine)
Elizabeth	United States	Record low minimum temperature	-3.3 C (26.1 F)	29 of 100 (Routine)
Chazy	United States	Record low minimum temperature	-10.0 C (14.0 F)	29 of 100 (Routine)
Kingston	United States	Record low minimum temperature	-8.9 C (16.0 F)	29 of 100 (Routine)
Kaneohe Mauka 781	United States	Record low maximum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Newport	United States	Record high maximum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Moltema (Craythorne)	Australia	Record daily precipitation	27.7 mm (1.1 in)	28 of 100 (Routine)
Rockport 1 ESE	United States	Record low minimum temperature	-4.4 C (24.1 F)	28 of 100 (Routine)
Setauket Strong	United States	Record low minimum temperature	-3.3 C (26.1 F)	28 of 100 (Routine)
Bloomfield	United States	Record low maximum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Amderma	Russia	Record low maximum temperature	-21.5 C (-6.7 F)	27 of 100 (Routine)
Novy-Port	Russia	Record low maximum temperature	-26.3 C (-15.3 F)	27 of 100 (Routine)
Colchester 2 W	United States	Record low minimum temperature	-10.0 C (14.0 F)	27 of 100 (Routine)
Turners Falls	United States	Record low minimum temperature	-7.2 C (19.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

630 records

Records set or tied on 31 October 1966 by type: Highest daily maximum 100, Lowest daily maximum 48, Highest daily minimum 40, Lowest daily minimum 155, Heaviest daily rainfall 257, Heaviest daily snowfall 24, Deepest snow cover 6.

Records on 31 October 1966 by type
Record type	Records
Highest daily maximum	100
Lowest daily maximum	48
Highest daily minimum	40
Lowest daily minimum	155
Heaviest daily rainfall	257
Heaviest daily snowfall	24
Deepest snow cover	6

Records on 31 October 1966 by timescale: all-time 0, monthly 46, daily 584.

How Much Records Were Beaten By

528 broken records

Margins by which the 528 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 130.0. Ties are not counted.

Top 20 by Significance

31 October 1966

Top 20 records on 31 October 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 1966	Serviceton, AU	daily rain	35.3 mm (1.4 in)	23.1 mm (0.9 in)	68 years	67 of 100 (Major)
31 October 1966	Diapur (Bleak House), AU	daily rain	25.1 mm (1.0 in)	18.7 mm (0.7 in)	40 years	53 of 100 (Notable)
31 October 1966	Nhill, AU	daily rain	34.8 mm (1.4 in)	28.2 mm (1.1 in)	17 years	53 of 100 (Notable)
31 October 1966	Gerang Gerung, AU	daily rain	26.7 mm (1.1 in)	23.9 mm (0.9 in)	16 years	52 of 100 (Notable)
31 October 1966	Keith, AU	daily rain	36.3 mm (1.4 in)	26.1 mm (1.0 in)	16 years	51 of 100 (Notable)
31 October 1966	Douglas, AU	daily rain	40.6 mm (1.6 in)	20.3 mm (0.8 in)	49 years	49 of 100 (Notable)
31 October 1966	Lillimur Estate, AU	daily rain	30.5 mm (1.2 in)	20.3 mm (0.8 in)	16 years	48 of 100 (Notable)
31 October 1966	Navarre, AU	daily rain	31.0 mm (1.2 in)	16.8 mm (0.7 in)	49 years	47 of 100 (Notable)
31 October 1966	Tintinara, AU	daily rain	26.9 mm (1.1 in)	22.8 mm (0.9 in)	0 years	46 of 100 (Notable)
31 October 1966	Cubbaroo, AU	daily rain	33.3 mm (1.3 in)	24.9 mm (1.0 in)	59 years	46 of 100 (Notable)
31 October 1966	Nhill (Salisbury (Lynbar)), AU	daily rain	38.1 mm (1.5 in)	23.6 mm (0.9 in)	16 years	46 of 100 (Notable)
31 October 1966	Wartook Reservoir, AU	daily rain	33.8 mm (1.3 in)	16.0 mm (0.6 in)	60 years	46 of 100 (Notable)
31 October 1966	Wilkadene (Murtho), AU	daily rain	26.7 mm (1.1 in)	25.9 mm (1.0 in)	1 year	45 of 100 (Notable)
31 October 1966	Steigen, NO	monthly snow depth	38.0 cm (15.0 in)	13.0 cm (5.1 in)	17 years	42 of 100 (Notable)
31 October 1966	Amphitheatre, AU	daily rain	29.5 mm (1.2 in)	13.5 mm (0.5 in)	55 years	41 of 100 (Notable)
31 October 1966	Ridgley, AU	daily rain	45.2 mm (1.8 in)	26.1 mm (1.0 in)	25 years	41 of 100 (Notable)
31 October 1966	Nhill (Woorak), AU	daily rain	29.7 mm (1.2 in)	16.2 mm (0.6 in)	17 years	40 of 100 (Notable)
31 October 1966	Karasjok, NO	daily snow depth	34.0 cm (13.4 in)	9.0 cm (3.5 in)	63 years	40 of 100 (Notable)
31 October 1966	Velikie Luki, RU	monthly low min	-17.3 C (0.9 F)	2.8 C (5.0 F)	54 years	40 of 100 (Notable)
31 October 1966	Elderslie, Tweedie, ZA	daily rain	40.1 mm (1.6 in)	24.9 mm (1.0 in)	29 years	40 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 1966

Records set or tied on this calendar date in each year from 1805 to 1966. 1966 had 630 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 1966-10-31: 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 20	496
20 to 40	27
40 to 60	1
60 to 80	1
80 to 100	2
100 to 120	0
120 to 140	1