Weather Records on 15 October 1971

744 weather records were set or tied worldwide on 15 October 1971. Highest significance: Inga, BR.

Key Facts for 15 October 1971

On 15 October 1971, 744 weather records were set or tied at long-record stations worldwide.
138 were record highs and 192 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 732 daily.
Inga set a monthly record daily precipitation of 54.4 mm (2.1 in) on 15 October 1971.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 458 records.

Record Map

744 stations

744 station records on 15 October 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Inga	Brazil	Record daily precipitation	54.4 mm (2.1 in)	65 of 100 (Major)
Bordeaux	South Africa	Record daily precipitation	50.2 mm (2.0 in)	60 of 100 (Major)
Lima	United States	Record daily snowfall	30.5 cm (12.0 in)	57 of 100 (Notable)
Maceio (Aeroporto)	Brazil	Record daily precipitation	79.6 mm (3.1 in)	55 of 100 (Notable)
Mnt Fletcher (Tnk)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	54 of 100 (Notable)
Lagoa da Canoa	Brazil	Record daily precipitation	37.0 mm (1.5 in)	53 of 100 (Notable)
Traipu	Brazil	Record daily precipitation	85.8 mm (3.4 in)	53 of 100 (Notable)
Palmares	Brazil	Record daily precipitation	38.2 mm (1.5 in)	52 of 100 (Notable)
Sape	Brazil	Record daily precipitation	35.0 mm (1.4 in)	51 of 100 (Notable)
Junqueiro	Brazil	Record daily precipitation	37.3 mm (1.5 in)	51 of 100 (Notable)
Penedo	Brazil	Record daily precipitation	58.3 mm (2.3 in)	50 of 100 (Notable)
Mozajsk	Russia	Record daily precipitation	27.2 mm (1.1 in)	49 of 100 (Notable)
Dedeben (Pol)	South Africa	Record daily precipitation	27.0 mm (1.1 in)	49 of 100 (Notable)
Rolleston	Australia	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Gibson Dam	United States	Record daily snowfall	35.6 cm (14.0 in)	48 of 100 (Notable)
Atalaia	Brazil	Record daily precipitation	50.0 mm (2.0 in)	47 of 100 (Notable)
Lakeview 2 NNW	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Rocklands	South Africa	Record daily precipitation	27.3 mm (1.1 in)	45 of 100 (Notable)
Aguiar	Brazil	Record daily precipitation	33.4 mm (1.3 in)	44 of 100 (Notable)
Rocklands	South Africa	Record daily precipitation	29.0 mm (1.1 in)	44 of 100 (Notable)
Woodfords	United States	Record daily snowfall	10.2 cm (4.0 in)	44 of 100 (Notable)
Broadus	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Talkeetna AP	United States	Record daily snowfall	23.4 cm (9.2 in)	43 of 100 (Notable)
Dos Bocas	Puerto Rico [United States]	Record daily precipitation	91.4 mm (3.6 in)	42 of 100 (Notable)
Augustus Downs Station	Australia	Record daily precipitation	34.8 mm (1.4 in)	41 of 100 (Notable)
Stonehenge	Australia	Record daily precipitation	57.2 mm (2.3 in)	41 of 100 (Notable)
Steeunmekaar (Pol)	South Africa	Record daily precipitation	42.5 mm (1.7 in)	41 of 100 (Notable)
Tambe (Itambe)	Brazil	Record daily precipitation	64.8 mm (2.6 in)	40 of 100 (Notable)
Kroonplaats	South Africa	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Rangely 1E	United States	Record high minimum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Paisley	United States	Record daily snowfall	6.4 cm (2.5 in)	40 of 100 (Notable)
Vestervig	Denmark	Record low minimum temperature	-1.6 C (29.1 F)	39 of 100 (Notable)
El Grullo	Mexico	Record daily precipitation	79.8 mm (3.1 in)	39 of 100 (Notable)
Nazareth House Farm	South Africa	Record daily precipitation	35.5 mm (1.4 in)	39 of 100 (Notable)
Aneroid	Canada	Record daily snowfall	5.6 cm (2.2 in)	37 of 100 (Notable)
Nooitgedag	South Africa	Record daily precipitation	27.0 mm (1.1 in)	37 of 100 (Notable)
Oranjeoord	South Africa	Record daily precipitation	26.0 mm (1.0 in)	37 of 100 (Notable)
Progress	South Africa	Record daily precipitation	25.5 mm (1.0 in)	37 of 100 (Notable)
Brekke I Sogn	Norway	Record snow depth	18.0 cm (7.1 in)	36 of 100 (Notable)
Prescott 2 NNW	United States	Record daily precipitation	97.3 mm (3.8 in)	36 of 100 (Notable)
Bladensburg	Australia	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
De Doorns	South Africa	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
De Brug (Pol)	South Africa	Record daily precipitation	27.5 mm (1.1 in)	35 of 100 (Notable)
Premier Mine-Cullinan	South Africa	Record daily precipitation	27.0 mm (1.1 in)	35 of 100 (Notable)
Haparanda	Sweden	Record snow depth	12.0 cm (4.7 in)	35 of 100 (Notable)
Goldfield	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Ashland	United States	Record low maximum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
Hughenden Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	34 of 100 (Routine)
Longreach Post Office	Australia	Record low maximum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Buenavista	Mexico	Record daily precipitation	56.1 mm (2.2 in)	34 of 100 (Routine)
Tapalpa (Smn)	Mexico	Record daily precipitation	66.8 mm (2.6 in)	34 of 100 (Routine)
Mascota (Smn)	Mexico	Record low maximum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Setlagodi (Pol)	South Africa	Record daily precipitation	27.0 mm (1.1 in)	33 of 100 (Routine)
Kellogg	United States	Record low minimum temperature	-7.8 C (18.0 F)	33 of 100 (Routine)
Summer Hill	Australia	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Banff	Canada	Record daily snowfall	7.9 cm (3.1 in)	32 of 100 (Routine)
Flahult	Sweden	Record low minimum temperature	-9.9 C (14.2 F)	32 of 100 (Routine)
Martinsdale 3 NNW	United States	Record daily snowfall	15.2 cm (6.0 in)	32 of 100 (Routine)
Mt Hope	Australia	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Gayndah Post Office	Australia	Record high minimum temperature	22.2 C (72.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

744 records

Records set or tied on 15 October 1971 by type: Highest daily maximum 44, Lowest daily maximum 105, Highest daily minimum 94, Lowest daily minimum 87, Heaviest daily rainfall 354, Heaviest daily snowfall 34, Deepest snow cover 26.

Records on 15 October 1971 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	105
Highest daily minimum	94
Lowest daily minimum	87
Heaviest daily rainfall	354
Heaviest daily snowfall	34
Deepest snow cover	26

Records on 15 October 1971 by timescale: all-time 0, monthly 12, daily 732.

How Much Records Were Beaten By

655 broken records

Margins by which the 655 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

15 October 1971

Top 20 records on 15 October 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1971	Inga, BR	monthly rain	54.4 mm (2.1 in)	31.5 mm (1.2 in)	31 years	65 of 100 (Major)
15 October 1971	Bordeaux, ZA	daily rain	50.2 mm (2.0 in)	50.2 mm (2.0 in)	50 years	60 of 100 (Major)
15 October 1971	Lima, US	daily snowfall	30.5 cm (12.0 in)	22.9 cm (9.0 in)	50 years	57 of 100 (Notable)
15 October 1971	Maceio (Aeroporto), BR	monthly rain	79.6 mm (3.1 in)	24.6 mm (1.0 in)	31 years	55 of 100 (Notable)
15 October 1971	Mnt Fletcher (Tnk), ZA	daily rain	30.0 mm (1.2 in)	20.1 mm (0.8 in)	68 years	54 of 100 (Notable)
15 October 1971	Lagoa da Canoa, BR	daily rain	37.0 mm (1.5 in)	18.0 mm (0.7 in)	50 years	53 of 100 (Notable)
15 October 1971	Traipu, BR	daily rain	85.8 mm (3.4 in)	82.4 mm (3.2 in)	25 years	53 of 100 (Notable)
15 October 1971	Palmares, BR	daily rain	38.2 mm (1.5 in)	31.7 mm (1.2 in)	34 years	52 of 100 (Notable)
15 October 1971	Sape, BR	daily rain	35.0 mm (1.4 in)	31.5 mm (1.2 in)	24 years	51 of 100 (Notable)
15 October 1971	Junqueiro, BR	daily rain	37.3 mm (1.5 in)	23.0 mm (0.9 in)	50 years	51 of 100 (Notable)
15 October 1971	Penedo, BR	daily rain	58.3 mm (2.3 in)	51.1 mm (2.0 in)	25 years	50 of 100 (Notable)
15 October 1971	Mozajsk, RU	daily rain	27.2 mm (1.1 in)	23.1 mm (0.9 in)	21 years	49 of 100 (Notable)
15 October 1971	Dedeben (Pol), ZA	daily rain	27.0 mm (1.1 in)	27.0 mm (1.1 in)	40 years	49 of 100 (Notable)
15 October 1971	Rolleston, AU	daily rain	63.5 mm (2.5 in)	49.5 mm (1.9 in)	4 years	48 of 100 (Notable)
15 October 1971	Gibson Dam, US	daily snowfall	35.6 cm (14.0 in)	25.4 cm (10.0 in)	24 years	48 of 100 (Notable)
15 October 1971	Atalaia, BR	daily rain	50.0 mm (2.0 in)	29.5 mm (1.2 in)	10 years	47 of 100 (Notable)
15 October 1971	Lakeview 2 NNW, US	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	32 years	46 of 100 (Notable)
15 October 1971	Rocklands, ZA	daily rain	27.3 mm (1.1 in)	21.2 mm (0.8 in)	30 years	45 of 100 (Notable)
15 October 1971	Aguiar, BR	daily rain	33.4 mm (1.3 in)	30.2 mm (1.2 in)	17 years	44 of 100 (Notable)
15 October 1971	Rocklands, ZA	daily rain	29.0 mm (1.1 in)	29.0 mm (1.1 in)	40 years	44 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

1794 to 1971

Records set or tied on this calendar date in each year from 1794 to 1971. 1971 had 744 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1971-10-15: 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	629
50 to 100	18
100 to 150	3
150 to 200	3
200 to 250	1
250 to 300	1