Weather Records on 30 October 1966

490 weather records were set or tied worldwide on 30 October 1966. Highest significance: Lawloit, AU.

Key Facts for 30 October 1966

On 30 October 1966, 490 weather records were set or tied at long-record stations worldwide.
117 were record highs and 175 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 467 daily.
Lawloit set a daily record precipitation of 36.1 mm (1.4 in) on 30 October 1966.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 490 records.

Record Map

490 stations

490 station records on 30 October 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lawloit	Australia	Record daily precipitation	36.1 mm (1.4 in)	53 of 100 (Notable)
Rockbank	Australia	Record daily precipitation	25.4 mm (1.0 in)	50 of 100 (Notable)
Norway House	Canada	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Riachao Do Jacuipe	Brazil	Record daily precipitation	66.8 mm (2.6 in)	45 of 100 (Notable)
Obluce	Russia	Record daily precipitation	27.2 mm (1.1 in)	45 of 100 (Notable)
Krasnoufimsk	Russia	Record daily precipitation	34.1 mm (1.3 in)	40 of 100 (Notable)
Cernuska	Russia	Record daily precipitation	28.0 mm (1.1 in)	38 of 100 (Notable)
Amvrosiivka	Ukraine	Record daily precipitation	34.4 mm (1.4 in)	38 of 100 (Notable)
Karasjok	Norway	Record snow depth	32.0 cm (12.6 in)	36 of 100 (Notable)
Velikie Luki	Russia	Record low minimum temperature	-11.8 C (10.8 F)	35 of 100 (Notable)
Port Aux Basques	Canada	Record daily precipitation	65.3 mm (2.6 in)	34 of 100 (Routine)
Heaslip	Canada	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Parapeuna	Brazil	Record daily precipitation	65.0 mm (2.6 in)	32 of 100 (Routine)
Tripoli Sidi El Mesri	Libya	Record daily precipitation	35.4 mm (1.4 in)	32 of 100 (Routine)
Drevja	Norway	Record daily precipitation	38.2 mm (1.5 in)	31 of 100 (Routine)
Poplar 2 E	United States	Record high minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Griffiss AFB	United States	Record low maximum temperature	2.8 C (37.0 F)	30 of 100 (Routine)
Seward AP	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Barrage Mercier	Canada	Record daily snowfall	5.6 cm (2.2 in)	29 of 100 (Routine)
Luroy	Norway	Record daily precipitation	83.6 mm (3.3 in)	29 of 100 (Routine)
Benton Harbor AP	United States	Record low minimum temperature	-5.6 C (21.9 F)	29 of 100 (Routine)
Conconully	United States	Record high maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Nominingue	Canada	Record daily snowfall	8.1 cm (3.2 in)	28 of 100 (Routine)
Fall River	United States	Record low maximum temperature	5.0 C (41.0 F)	28 of 100 (Routine)
Wibaux 2 E	United States	Record high minimum temperature	7.8 C (46.0 F)	28 of 100 (Routine)
Binghamton Wb City	United States	Record low maximum temperature	3.9 C (39.0 F)	28 of 100 (Routine)
Luz (Estacao)	Brazil	Record daily precipitation	68.0 mm (2.7 in)	27 of 100 (Routine)
Uil	Kazakhstan	Record high minimum temperature	8.9 C (48.0 F)	27 of 100 (Routine)
Nord-Rana	Norway	Record daily precipitation	46.9 mm (1.8 in)	27 of 100 (Routine)
Brockton	United States	Record low minimum temperature	-7.2 C (19.0 F)	27 of 100 (Routine)
Ludington 4 SE	United States	Record low minimum temperature	-5.0 C (23.0 F)	27 of 100 (Routine)
Saint Johns	United States	Record low minimum temperature	-6.7 C (19.9 F)	27 of 100 (Routine)
Tripoli City	Libya	Record daily precipitation	29.4 mm (1.2 in)	26 of 100 (Routine)
Svyatoy Nos;Cape(Closed)	Russia	Record low minimum temperature	-12.1 C (10.2 F)	26 of 100 (Routine)
Grand Haven Fire Dept	United States	Record low minimum temperature	-3.3 C (26.1 F)	26 of 100 (Routine)
Manistique Wwtp	United States	Record low minimum temperature	-8.3 C (17.1 F)	26 of 100 (Routine)
Plattsburgh AFB	United States	Record low maximum temperature	5.0 C (41.0 F)	26 of 100 (Routine)
Heppner	United States	Record high minimum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
Piacaguera (Efsj)	Brazil	Record daily precipitation	55.9 mm (2.2 in)	24 of 100 (Routine)
Amderma	Russia	Record low minimum temperature	-26.1 C (-15.0 F)	24 of 100 (Routine)
Verhneimbatsk	Russia	Record high maximum temperature	11.2 C (52.2 F)	24 of 100 (Routine)
Auburn	United States	Record high minimum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Bergland Dam	United States	Record low minimum temperature	-8.9 C (16.0 F)	24 of 100 (Routine)
Condon	United States	Record high minimum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Indian Head Cda	Canada	Record high minimum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Siwa	Egypt	Record high minimum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Bely Island	Russia	Record low maximum temperature	-22.6 C (-8.7 F)	23 of 100 (Routine)
Coldwater St School	United States	Record low minimum temperature	-7.8 C (18.0 F)	23 of 100 (Routine)
Estacada 2 SE	United States	Record high minimum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Laona 6 SW	United States	Record low minimum temperature	-11.7 C (10.9 F)	23 of 100 (Routine)
Rantoul	United States	Record low minimum temperature	-3.3 C (26.1 F)	23 of 100 (Routine)
Salem AP (McNary Field)	United States	Record high minimum temperature	12.2 C (54.0 F)	23 of 100 (Routine)
Tugaske	Canada	Record high minimum temperature	4.4 C (39.9 F)	22 of 100 (Routine)
Matehuala (Smn)	Mexico	Record low minimum temperature	-2.2 C (28.0 F)	22 of 100 (Routine)
Pagosa Springs 1SE	United States	Record high maximum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Shelbyville Sewage Plt	United States	Record low minimum temperature	-6.1 C (21.0 F)	22 of 100 (Routine)
E Wareham	United States	Record low maximum temperature	4.4 C (39.9 F)	22 of 100 (Routine)
Big Rapids Wtp	United States	Record low minimum temperature	-8.3 C (17.1 F)	22 of 100 (Routine)
Batavia	United States	Record low minimum temperature	-6.1 C (21.0 F)	22 of 100 (Routine)
La Piedad de Cabadas (Dge)	Mexico	Record low minimum temperature	5.6 C (42.1 F)	21 of 100 (Routine)

Counts by Type and Timescale

490 records

Records set or tied on 30 October 1966 by type: Highest daily maximum 55, Lowest daily maximum 59, Highest daily minimum 62, Lowest daily minimum 116, Heaviest daily rainfall 180, Heaviest daily snowfall 14, Deepest snow cover 4.

Records on 30 October 1966 by type
Record type	Records
Highest daily maximum	55
Lowest daily maximum	59
Highest daily minimum	62
Lowest daily minimum	116
Heaviest daily rainfall	180
Heaviest daily snowfall	14
Deepest snow cover	4

Records on 30 October 1966 by timescale: all-time 0, monthly 23, daily 467.

How Much Records Were Beaten By

386 broken records

Margins by which the 386 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 142.0. Ties are not counted.

Top 20 by Significance

30 October 1966

Top 20 records on 30 October 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1966	Lawloit, AU	daily rain	36.1 mm (1.4 in)	20.9 mm (0.8 in)	24 years	53 of 100 (Notable)
30 October 1966	Rockbank, AU	daily rain	25.4 mm (1.0 in)	21.1 mm (0.8 in)	19 years	50 of 100 (Notable)
30 October 1966	Norway House, CA	daily snowfall	15.2 cm (6.0 in)	14.2 cm (5.6 in)	27 years	50 of 100 (Notable)
30 October 1966	Riachao Do Jacuipe, BR	monthly rain	66.8 mm (2.6 in)	18.3 mm (0.7 in)	21 years	45 of 100 (Notable)
30 October 1966	Obluce, RU	daily rain	27.2 mm (1.1 in)	23.7 mm (0.9 in)	9 years	45 of 100 (Notable)
30 October 1966	Krasnoufimsk, RU	monthly rain	34.1 mm (1.3 in)	8.0 mm (0.31 in)	10 years	40 of 100 (Notable)
30 October 1966	Cernuska, RU	daily rain	28.0 mm (1.1 in)	16.4 mm (0.6 in)	20 years	38 of 100 (Notable)
30 October 1966	Amvrosiivka, UA	daily rain	34.4 mm (1.4 in)	21.7 mm (0.9 in)	28 years	38 of 100 (Notable)
30 October 1966	Karasjok, NO	daily snow depth	32.0 cm (12.6 in)	7.0 cm (2.8 in)	63 years	36 of 100 (Notable)
30 October 1966	Velikie Luki, RU	daily low min	-11.8 C (10.8 F)	1.2 C (2.2 F)	84 years	35 of 100 (Notable)
30 October 1966	Port Aux Basques, CA	monthly rain	65.3 mm (2.6 in)	4.8 mm (0.19 in)	52 years	34 of 100 (Routine)
30 October 1966	Heaslip, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	36 years	33 of 100 (Routine)
30 October 1966	Parapeuna, BR	daily rain	65.0 mm (2.6 in)	28.7 mm (1.1 in)	31 years	32 of 100 (Routine)
30 October 1966	Tripoli Sidi El Mesri, LY	daily rain	35.4 mm (1.4 in)	23.0 mm (0.9 in)	23 years	32 of 100 (Routine)
30 October 1966	Drevja, NO	daily rain	38.2 mm (1.5 in)	17.4 mm (0.7 in)	29 years	31 of 100 (Routine)
30 October 1966	Poplar 2 E, US	daily high min	7.2 C (45.0 F)	2.8 C (5.0 F)	64 years	31 of 100 (Routine)
30 October 1966	Griffiss AFB, US	daily low max	2.8 C (37.0 F)	1.6 C (2.9 F)	72 years	30 of 100 (Routine)
30 October 1966	Seward AP, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	51 years	30 of 100 (Routine)
30 October 1966	Barrage Mercier, CA	daily snowfall	5.6 cm (2.2 in)	3.1 cm (1.2 in)	32 years	29 of 100 (Routine)
30 October 1966	Luroy, NO	daily rain	83.6 mm (3.3 in)	47.0 mm (1.9 in)	8 years	29 of 100 (Routine)

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

1799 to 1966

Records set or tied on this calendar date in each year from 1799 to 1966. 1966 had 490 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 1966-10-30: 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	369
20 to 40	11
40 to 60	4
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1