Weather Records on 12 October 1971

382 weather records were set or tied worldwide on 12 October 1971. Highest significance: Usina Do Chicao, BR.

Key Facts for 12 October 1971

On 12 October 1971, 382 weather records were set or tied at long-record stations worldwide.
130 were record highs and 58 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 375 daily.
Usina Do Chicao set a daily record precipitation of 72.1 mm (2.8 in) on 12 October 1971.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 452 records.

Record Map

382 stations

382 station records on 12 October 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 October 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Usina Do Chicao	Brazil	Record daily precipitation	72.1 mm (2.8 in)	51 of 100 (Notable)
Conceicao Do Rio Verde	Brazil	Record daily precipitation	94.6 mm (3.7 in)	48 of 100 (Notable)
Van Horn	United States	Record daily precipitation	50.5 mm (2.0 in)	47 of 100 (Notable)
Aniak AP	United States	Record snow depth	15.2 cm (6.0 in)	45 of 100 (Notable)
Fazenda Timbauba	Brazil	Record daily precipitation	52.5 mm (2.1 in)	43 of 100 (Notable)
Avington	Australia	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Nogliki	Russia	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Careacu	Brazil	Record daily precipitation	91.3 mm (3.6 in)	39 of 100 (Notable)
Pilvo	Russia	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Fazenda Acude	Brazil	Record daily precipitation	80.2 mm (3.2 in)	37 of 100 (Notable)
Dois Corregos	Brazil	Record daily precipitation	76.1 mm (3.0 in)	36 of 100 (Notable)
Arrozeira	Brazil	Record daily precipitation	48.0 mm (1.9 in)	33 of 100 (Routine)
Tapalpa (Smn)	Mexico	Record daily precipitation	48.8 mm (1.9 in)	33 of 100 (Routine)
Timovskoe	Russia	Record daily precipitation	38.4 mm (1.5 in)	33 of 100 (Routine)
Kia Ora Sandy Ridges	Australia	Record daily precipitation	49.5 mm (1.9 in)	32 of 100 (Routine)
Passa Quatro (Inmet)	Brazil	Record daily precipitation	49.1 mm (1.9 in)	32 of 100 (Routine)
Onor	Russia	Record daily precipitation	32.6 mm (1.3 in)	32 of 100 (Routine)
Holy Cross	United States	Record snow depth	22.9 cm (9.0 in)	32 of 100 (Routine)
Fazenda Santa Cecilia	Brazil	Record daily precipitation	73.0 mm (2.9 in)	31 of 100 (Routine)
Independence	United States	Record high minimum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
Sarapui	Brazil	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Netherby	Australia	Record daily precipitation	35.6 mm (1.4 in)	29 of 100 (Routine)
Aquiles Serdan 46	Mexico	Record daily precipitation	25.7 mm (1.0 in)	29 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record daily precipitation	80.8 mm (3.2 in)	29 of 100 (Routine)
Port Lavaca 2	United States	Record low minimum temperature	10.6 C (51.1 F)	29 of 100 (Routine)
Bybera	Australia	Record daily precipitation	53.3 mm (2.1 in)	28 of 100 (Routine)
Cesario Lange	Brazil	Record daily precipitation	55.6 mm (2.2 in)	28 of 100 (Routine)
Tasiilaq	Greenland [Denmark]	Record low minimum temperature	-11.0 C (12.2 F)	28 of 100 (Routine)
Lindfield	Australia	Record daily precipitation	41.7 mm (1.6 in)	27 of 100 (Routine)
Poronajsk	Russia	Record daily precipitation	38.3 mm (1.5 in)	27 of 100 (Routine)
Tropic	United States	Record high maximum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Tewantin Post Office	Australia	Record low maximum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Liepaja	Latvia	Record high minimum temperature	12.1 C (53.8 F)	26 of 100 (Routine)
Bratsk	Russia	Record high minimum temperature	5.1 C (41.2 F)	26 of 100 (Routine)
Leon Virgen del Camino	Spain	Record daily precipitation	43.6 mm (1.7 in)	26 of 100 (Routine)
Anthony	United States	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Ibitinga	Brazil	Record daily precipitation	69.4 mm (2.7 in)	25 of 100 (Routine)
Bananal (Pcd)	Brazil	Record daily precipitation	32.5 mm (1.3 in)	25 of 100 (Routine)
Tasiilaq	Greenland [Denmark]	Record low maximum temperature	-5.5 C (22.1 F)	25 of 100 (Routine)
Uitkyk	South Africa	Record daily precipitation	42.0 mm (1.7 in)	25 of 100 (Routine)
Summit WSO AP	United States	Record daily snowfall	20.3 cm (8.0 in)	25 of 100 (Routine)
Angatuba	Brazil	Record daily precipitation	42.9 mm (1.7 in)	24 of 100 (Routine)
Usina Dourados (Cpfl) B4-003	Brazil	Record daily precipitation	38.6 mm (1.5 in)	24 of 100 (Routine)
Piracicaba (Cpef)	Brazil	Record daily precipitation	54.6 mm (2.1 in)	24 of 100 (Routine)
Tapalpa (Smn)	Mexico	Record low maximum temperature	16.7 C (62.1 F)	24 of 100 (Routine)
Vladivostok	Russia	Record low minimum temperature	0.2 C (32.4 F)	24 of 100 (Routine)
Pogranichnoe	Russia	Record daily precipitation	34.0 mm (1.3 in)	24 of 100 (Routine)
Tarnaby	Sweden	Record low minimum temperature	-9.2 C (15.4 F)	24 of 100 (Routine)
Redding Fire STN 2	United States	Record high maximum temperature	37.2 C (99.0 F)	24 of 100 (Routine)
Saint Leo	United States	Record daily precipitation	42.4 mm (1.7 in)	24 of 100 (Routine)
Duchesne	United States	Record high minimum temperature	11.1 C (52.0 F)	24 of 100 (Routine)
Oakey Post Office	Australia	Record daily precipitation	35.1 mm (1.4 in)	23 of 100 (Routine)
Ponte Alta 1	Brazil	Record daily precipitation	57.1 mm (2.2 in)	23 of 100 (Routine)
Caconde	Brazil	Record daily precipitation	34.5 mm (1.4 in)	23 of 100 (Routine)
Angatuba	Brazil	Record daily precipitation	45.2 mm (1.8 in)	23 of 100 (Routine)
Bull Harbour	Canada	Record daily precipitation	53.8 mm (2.1 in)	23 of 100 (Routine)
Cultus Lake	Canada	Record daily precipitation	38.4 mm (1.5 in)	23 of 100 (Routine)
Sihccajavri	Norway	Record low minimum temperature	-20.1 C (-4.2 F)	23 of 100 (Routine)
Ternej	Russia	Record daily precipitation	51.4 mm (2.0 in)	23 of 100 (Routine)
Monticello 2E	United States	Record high minimum temperature	11.1 C (52.0 F)	23 of 100 (Routine)

Counts by Type and Timescale

382 records

Records set or tied on 12 October 1971 by type: Highest daily maximum 55, Lowest daily maximum 27, Highest daily minimum 75, Lowest daily minimum 31, Heaviest daily rainfall 184, Heaviest daily snowfall 5, Deepest snow cover 5.

Records on 12 October 1971 by type
Record type	Records
Highest daily maximum	55
Lowest daily maximum	27
Highest daily minimum	75
Lowest daily minimum	31
Heaviest daily rainfall	184
Heaviest daily snowfall	5
Deepest snow cover	5

Records on 12 October 1971 by timescale: all-time 0, monthly 7, daily 375.

How Much Records Were Beaten By

311 broken records

Margins by which the 311 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

12 October 1971

Top 20 records on 12 October 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 October 1971	Usina Do Chicao, BR	daily rain	72.1 mm (2.8 in)	61.5 mm (2.4 in)	28 years	51 of 100 (Notable)
12 October 1971	Conceicao Do Rio Verde, BR	daily rain	94.6 mm (3.7 in)	72.6 mm (2.9 in)	18 years	48 of 100 (Notable)
12 October 1971	Van Horn, US	daily rain	50.5 mm (2.0 in)	43.9 mm (1.7 in)	13 years	47 of 100 (Notable)
12 October 1971	Aniak AP, US	daily snow depth	15.2 cm (6.0 in)	10.1 cm (4.0 in)	50 years	45 of 100 (Notable)
12 October 1971	Fazenda Timbauba, BR	daily rain	52.5 mm (2.1 in)	52.5 mm (2.1 in)	36 years	43 of 100 (Notable)
12 October 1971	Avington, AU	daily rain	48.3 mm (1.9 in)	30.5 mm (1.2 in)	36 years	41 of 100 (Notable)
12 October 1971	Nogliki, RU	daily rain	33.0 mm (1.3 in)	26.8 mm (1.1 in)	9 years	40 of 100 (Notable)
12 October 1971	Careacu, BR	monthly rain	91.3 mm (3.6 in)	29.1 mm (1.1 in)	1 year	39 of 100 (Notable)
12 October 1971	Pilvo, RU	daily rain	31.8 mm (1.3 in)	19.4 mm (0.8 in)	24 years	38 of 100 (Notable)
12 October 1971	Fazenda Acude, BR	daily rain	80.2 mm (3.2 in)	38.3 mm (1.5 in)	18 years	37 of 100 (Notable)
12 October 1971	Dois Corregos, BR	daily rain	76.1 mm (3.0 in)	36.1 mm (1.4 in)	28 years	36 of 100 (Notable)
12 October 1971	Arrozeira, BR	daily rain	48.0 mm (1.9 in)	29.0 mm (1.1 in)	20 years	33 of 100 (Routine)
12 October 1971	Tapalpa (Smn), MX	daily rain	48.8 mm (1.9 in)	24.9 mm (1.0 in)	28 years	33 of 100 (Routine)
12 October 1971	Timovskoe, RU	daily rain	38.4 mm (1.5 in)	7.4 mm (0.29 in)	44 years	33 of 100 (Routine)
12 October 1971	Kia Ora Sandy Ridges, AU	daily rain	49.5 mm (1.9 in)	25.1 mm (1.0 in)	28 years	32 of 100 (Routine)
12 October 1971	Passa Quatro (Inmet), BR	daily rain	49.1 mm (1.9 in)	24.9 mm (1.0 in)	14 years	32 of 100 (Routine)
12 October 1971	Onor, RU	daily rain	32.6 mm (1.3 in)	15.2 mm (0.6 in)	32 years	32 of 100 (Routine)
12 October 1971	Holy Cross, US	daily snow depth	22.9 cm (9.0 in)	12.7 cm (5.0 in)	9 years	32 of 100 (Routine)
12 October 1971	Fazenda Santa Cecilia, BR	daily rain	73.0 mm (2.9 in)	28.4 mm (1.1 in)	28 years	31 of 100 (Routine)
12 October 1971	Independence, US	daily high min	14.4 C (57.9 F)	1.1 C (2.0 F)	72 years	31 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

1805 to 1971

Records set or tied on this calendar date in each year from 1805 to 1971. 1971 had 382 records.

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

Records on 10-12 in each year
Year	Records
1805	2
1809	1
1810	1
1814	3
1822	1
1839	1
1841	1
1843	1
1850	1
1852	1
1854	1
1859	1
1860	2
1861	1
1867	1
1871	3
1873	2
1875	2
1876	5
1879	2
1881	2
1884	1
1885	2
1886	1
1887	2
1888	1
1889	1
1890	3
1891	1
1892	1
1893	2
1894	2
1895	2
1896	3
1897	3
1898	2
1899	3
1900	2
1901	6
1902	14
1903	16
1904	30
1905	13
1906	16
1907	10
1908	13
1909	30
1910	13
1911	10
1912	30
1913	33
1914	17
1915	34
1916	29
1917	53
1918	29
1919	53
1920	79
1921	102
1922	21
1923	200
1924	129
1925	107
1926	201
1927	195
1928	714
1929	165
1930	606
1931	283
1932	398
1933	155
1934	477
1935	209
1936	301
1937	185
1938	470
1939	198
1940	235
1941	226
1942	540
1943	418
1944	274
1945	321
1946	554
1947	358
1948	311
1949	725
1950	594
1951	391
1952	352
1953	252
1954	911
1955	383
1956	899
1957	473
1958	448
1959	501
1960	449
1961	436
1962	971
1963	459
1964	636
1965	157
1966	423
1967	623
1968	443
1969	1,828
1970	763
1971	382
1972	412
1973	673
1974	369
1975	830
1976	582
1977	832
1978	525
1979	898
1980	741
1981	1,201
1982	777
1983	992
1984	636
1985	872
1986	1,510
1987	1,530
1988	1,015
1989	543
1990	1,325
1991	948
1992	865
1993	1,145
1994	934
1995	1,238
1996	816
1997	1,851
1998	741
1999	641
2000	1,095
2001	1,194
2002	1,139
2003	1,043
2004	750
2005	872
2006	1,357
2007	566
2008	1,669
2009	2,300
2010	797
2011	906
2012	921
2013	558
2014	514
2015	964
2016	374
2017	1,068
2018	1,195
2019	1,321
2020	655
2021	1,294
2022	439
2023	904
2024	958
2025	624
2026	768

Download the Data

Data for records on 1971-10-12: 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	280
20 to 40	23
40 to 60	2
60 to 80	4
80 to 100	0
100 to 120	1
120 to 140	1