Weather Records on 6 October 1987

838 weather records were set or tied worldwide on 6 October 1987. Highest significance: Guiyang, CN.

Key Facts for 6 October 1987

On 6 October 1987, 838 weather records were set or tied at long-record stations worldwide.
384 were record highs and 168 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 55 monthly and 782 daily.
Guiyang set a monthly record daily precipitation of 93.2 mm (3.7 in) on 6 October 1987.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 449 records.

Record Map

838 stations

838 station records on 6 October 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 October 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Guiyang	China	Record daily precipitation	93.2 mm (3.7 in)	53 of 100 (Notable)
Selemdza	Russia	Record daily precipitation	40.4 mm (1.6 in)	53 of 100 (Notable)
Guaxupe Aneel/Cesp	Brazil	Record daily precipitation	111.9 mm (4.4 in)	50 of 100 (Notable)
Santa Gertrudes	Brazil	Record daily precipitation	82.8 mm (3.3 in)	50 of 100 (Notable)
Natividade da Serra	Brazil	Record daily precipitation	47.0 mm (1.9 in)	50 of 100 (Notable)
Sitio Esplanada	Brazil	Record daily precipitation	84.5 mm (3.3 in)	49 of 100 (Notable)
Mantova	Italy	Record daily precipitation	43.4 mm (1.7 in)	48 of 100 (Notable)
Jaguariuna	Brazil	Record daily precipitation	79.5 mm (3.1 in)	47 of 100 (Notable)
Pedreira	Brazil	Record daily precipitation	76.4 mm (3.0 in)	47 of 100 (Notable)
Sandefjord	Norway	Record daily precipitation	50.0 mm (2.0 in)	47 of 100 (Notable)
Coorow	Australia	Record daily precipitation	46.4 mm (1.8 in)	45 of 100 (Notable)
Lyngor Fyr	Norway	Record daily precipitation	49.3 mm (1.9 in)	44 of 100 (Notable)
Mogi-Mirim	Brazil	Record daily precipitation	76.0 mm (3.0 in)	42 of 100 (Notable)
Presidente Alves	Brazil	Record daily precipitation	80.0 mm (3.1 in)	42 of 100 (Notable)
Zhijiang	China	Record daily precipitation	68.6 mm (2.7 in)	42 of 100 (Notable)
Nicosia	Cyprus	Record low maximum temperature	24.6 C (76.3 F)	42 of 100 (Notable)
Santa Rita Do Massaim	Brazil	Record daily precipitation	52.9 mm (2.1 in)	41 of 100 (Notable)
Fazenda da Barra	Brazil	Record daily precipitation	55.4 mm (2.2 in)	40 of 100 (Notable)
Usina Ester	Brazil	Record daily precipitation	53.2 mm (2.1 in)	39 of 100 (Notable)
Jacarei	Brazil	Record daily precipitation	48.6 mm (1.9 in)	39 of 100 (Notable)
Federal Pt	United States	Record low minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Newport	United States	Record high maximum temperature	31.1 C (88.0 F)	39 of 100 (Notable)
Monte Alegre Do Sul	Brazil	Record daily precipitation	59.7 mm (2.4 in)	38 of 100 (Notable)
Faerder Fyr	Norway	Record daily precipitation	47.3 mm (1.9 in)	38 of 100 (Notable)
Ft Pierce	United States	Record low minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Brumado	Brazil	Record daily precipitation	49.8 mm (2.0 in)	37 of 100 (Notable)
Fitzgerald	United States	Record low minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Guaratingueta	Brazil	Record daily precipitation	40.2 mm (1.6 in)	36 of 100 (Notable)
Orje	Norway	Record daily precipitation	29.4 mm (1.2 in)	35 of 100 (Notable)
Kentfield	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Port Isabel	United States	Record low maximum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Tapiratiba	Brazil	Record daily precipitation	38.5 mm (1.5 in)	33 of 100 (Routine)
Pedra Bela	Brazil	Record daily precipitation	51.2 mm (2.0 in)	33 of 100 (Routine)
Muenster	Germany	Record high minimum temperature	13.0 C (55.4 F)	33 of 100 (Routine)
Halden	Norway	Record daily precipitation	28.5 mm (1.1 in)	33 of 100 (Routine)
Scotia	United States	Record high maximum temperature	34.4 C (93.9 F)	33 of 100 (Routine)
Norfolk 2 SW	United States	Record snow depth	10.2 cm (4.0 in)	33 of 100 (Routine)
Ganca	Azerbaijan	Record low maximum temperature	11.4 C (52.5 F)	32 of 100 (Routine)
Santa Lucia	Brazil	Record daily precipitation	55.2 mm (2.2 in)	32 of 100 (Routine)
Visconde de Rio Claro	Brazil	Record daily precipitation	58.2 mm (2.3 in)	32 of 100 (Routine)
Baterod	Norway	Record daily precipitation	38.5 mm (1.5 in)	32 of 100 (Routine)
Truckee Rs	United States	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
Waycross 4 NE	United States	Record low minimum temperature	1.7 C (35.1 F)	32 of 100 (Routine)
Peru	United States	Record snow depth	17.8 cm (7.0 in)	32 of 100 (Routine)
Cachoeira Paulista (Pcd)	Brazil	Record daily precipitation	45.0 mm (1.8 in)	31 of 100 (Routine)
Campo de Pesquisas	Brazil	Record daily precipitation	45.5 mm (1.8 in)	31 of 100 (Routine)
Kurilsk	Russia	Record high maximum temperature	24.7 C (76.5 F)	31 of 100 (Routine)
Americus	United States	Record low minimum temperature	3.9 C (39.0 F)	31 of 100 (Routine)
Sao Bento Do Sapucai	Brazil	Record daily precipitation	32.6 mm (1.3 in)	30 of 100 (Routine)
Vogelstruiskuil	South Africa	Record daily precipitation	51.0 mm (2.0 in)	30 of 100 (Routine)
Tillamook	United States	Record high maximum temperature	33.3 C (91.9 F)	30 of 100 (Routine)
Lidice	Brazil	Record daily precipitation	31.4 mm (1.2 in)	29 of 100 (Routine)
Habarovsk	Russia	Record high minimum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
Blakely	United States	Record low minimum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Eastman 1 W	United States	Record low minimum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Mc Minnville	United States	Record high minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Summerville 4W	United States	Record low minimum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Martim Francisco	Brazil	Record daily precipitation	46.0 mm (1.8 in)	28 of 100 (Routine)
Santa Isabel	Brazil	Record daily precipitation	29.1 mm (1.1 in)	28 of 100 (Routine)
Namiquipa	Mexico	Record low minimum temperature	0.0 C (32.0 F)	28 of 100 (Routine)

Counts by Type and Timescale

838 records

Records set or tied on 6 October 1987 by type: Highest daily maximum 232, Lowest daily maximum 32, Highest daily minimum 152, Lowest daily minimum 136, Heaviest daily rainfall 279, Deepest snow cover 7.

Records on 6 October 1987 by type
Record type	Records
Highest daily maximum	232
Lowest daily maximum	32
Highest daily minimum	152
Lowest daily minimum	136
Heaviest daily rainfall	279
Heaviest daily snowfall	0
Deepest snow cover	7

Records on 6 October 1987 by timescale: all-time 1, monthly 55, daily 782.

How Much Records Were Beaten By

666 broken records

Margins by which the 666 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

6 October 1987

Top 20 records on 6 October 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 October 1987	Guiyang, CN	monthly rain	93.2 mm (3.7 in)	29.6 mm (1.2 in)	14 years	53 of 100 (Notable)
6 October 1987	Selemdza, RU	daily rain	40.4 mm (1.6 in)	23.8 mm (0.9 in)	28 years	53 of 100 (Notable)
6 October 1987	Guaxupe Aneel/Cesp, BR	daily rain	111.9 mm (4.4 in)	84.4 mm (3.3 in)	12 years	50 of 100 (Notable)
6 October 1987	Santa Gertrudes, BR	daily rain	82.8 mm (3.3 in)	61.3 mm (2.4 in)	22 years	50 of 100 (Notable)
6 October 1987	Natividade da Serra, BR	daily rain	47.0 mm (1.9 in)	28.4 mm (1.1 in)	41 years	50 of 100 (Notable)
6 October 1987	Sitio Esplanada, BR	daily rain	84.5 mm (3.3 in)	60.2 mm (2.4 in)	24 years	49 of 100 (Notable)
6 October 1987	Mantova, IT	daily rain	43.4 mm (1.7 in)	13.3 mm (0.5 in)	80 years	48 of 100 (Notable)
6 October 1987	Jaguariuna, BR	daily rain	79.5 mm (3.1 in)	60.0 mm (2.4 in)	12 years	47 of 100 (Notable)
6 October 1987	Pedreira, BR	daily rain	76.4 mm (3.0 in)	62.1 mm (2.4 in)	12 years	47 of 100 (Notable)
6 October 1987	Sandefjord, NO	daily rain	50.0 mm (2.0 in)	30.0 mm (1.2 in)	28 years	47 of 100 (Notable)
6 October 1987	Coorow, AU	monthly rain	46.4 mm (1.8 in)	3.7 mm (0.15 in)	71 years	45 of 100 (Notable)
6 October 1987	Lyngor Fyr, NO	daily rain	49.3 mm (1.9 in)	32.3 mm (1.3 in)	16 years	44 of 100 (Notable)
6 October 1987	Mogi-Mirim, BR	daily rain	76.0 mm (3.0 in)	42.8 mm (1.7 in)	22 years	42 of 100 (Notable)
6 October 1987	Presidente Alves, BR	daily rain	80.0 mm (3.1 in)	45.6 mm (1.8 in)	36 years	42 of 100 (Notable)
6 October 1987	Zhijiang, CN	daily rain	68.6 mm (2.7 in)	31.8 mm (1.3 in)	33 years	42 of 100 (Notable)
6 October 1987	Nicosia, CY	daily low max	24.6 C (76.3 F)	0.9 C (1.6 F)	104 years	42 of 100 (Notable)
6 October 1987	Santa Rita Do Massaim, BR	daily rain	52.9 mm (2.1 in)	31.9 mm (1.3 in)	36 years	41 of 100 (Notable)
6 October 1987	Fazenda da Barra, BR	daily rain	55.4 mm (2.2 in)	33.3 mm (1.3 in)	36 years	40 of 100 (Notable)
6 October 1987	Usina Ester, BR	daily rain	53.2 mm (2.1 in)	33.1 mm (1.3 in)	37 years	39 of 100 (Notable)
6 October 1987	Jacarei, BR	daily rain	48.6 mm (1.9 in)	29.0 mm (1.1 in)	17 years	39 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

1802 to 1987

Records set or tied on this calendar date in each year from 1802 to 1987. 1987 had 838 records.

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

Records on 10-06 in each year
Year	Records
1802	1
1814	1
1817	1
1840	1
1843	1
1844	1
1845	1
1848	1
1853	2
1854	3
1857	1
1859	1
1860	1
1863	1
1864	7
1865	1
1867	3
1868	1
1874	1
1875	2
1876	3
1877	1
1878	1
1879	2
1880	3
1881	1
1882	1
1883	1
1885	5
1887	1
1888	3
1889	6
1892	3
1893	1
1894	1
1896	4
1897	6
1898	1
1899	3
1900	14
1901	8
1902	10
1903	14
1904	13
1905	10
1906	20
1907	14
1908	17
1909	17
1910	60
1911	14
1912	46
1913	28
1914	7
1915	17
1916	69
1917	95
1918	45
1919	51
1920	104
1921	46
1922	45
1923	136
1924	263
1925	208
1926	219
1927	175
1928	149
1929	155
1930	574
1931	470
1932	905
1933	183
1934	259
1935	1,055
1936	275
1937	413
1938	319
1939	702
1940	225
1941	1,148
1942	198
1943	485
1944	219
1945	202
1946	678
1947	584
1948	342
1949	548
1950	340
1951	537
1952	1,414
1953	355
1954	663
1955	629
1956	449
1957	488
1958	707
1959	560
1960	545
1961	469
1962	433
1963	693
1964	1,138
1965	1,143
1966	351
1967	383
1968	578
1969	377
1970	711
1971	514
1972	458
1973	311
1974	922
1975	673
1976	841
1977	561
1978	376
1979	1,002
1980	1,259
1981	748
1982	1,058
1983	743
1984	769
1985	720
1986	647
1987	838
1988	964
1989	470
1990	953
1991	1,045
1992	675
1993	1,056
1994	1,201
1995	1,392
1996	843
1997	1,013
1998	1,638
1999	914
2000	1,773
2001	988
2002	694
2003	817
2004	582
2005	1,414
2006	1,030
2007	2,337
2008	644
2009	1,722
2010	995
2011	1,582
2012	1,133
2013	797
2014	428
2015	567
2016	473
2017	489
2018	968
2019	533
2020	1,072
2021	665
2022	654
2023	650
2024	1,025
2025	486
2026	900

Download the Data

Data for records on 1987-10-06: 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 25	628
25 to 50	29
50 to 75	4
75 to 100	2
100 to 125	2
125 to 150	0
150 to 175	0
175 to 200	1