Weather Records on 6 October 1999

914 weather records were set or tied worldwide on 6 October 1999. Highest significance: Huitzuco (Smn), MX.

Key Facts for 6 October 1999

On 6 October 1999, 914 weather records were set or tied at long-record stations worldwide.
415 were record highs and 291 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 54 monthly and 859 daily.
Huitzuco (Smn) set an all-time record daily precipitation of 150.1 mm (5.9 in) on 6 October 1999.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 449 records.

Record Map

914 stations

914 station records on 6 October 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 October 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Huitzuco (Smn)	Mexico	Record daily precipitation	150.1 mm (5.9 in)	72 of 100 (Major)
Juupajoki Hyytiala	Finland	Record daily precipitation	40.6 mm (1.6 in)	61 of 100 (Major)
Zapotitlan Salinas (Smn)	Mexico	Record daily precipitation	69.9 mm (2.8 in)	57 of 100 (Notable)
Orivesi Uiherla	Finland	Record daily precipitation	36.9 mm (1.5 in)	55 of 100 (Notable)
Pesaro	Italy	Record daily precipitation	50.6 mm (2.0 in)	55 of 100 (Notable)
Kara-Tjurek	Russia	Record daily precipitation	31.3 mm (1.2 in)	54 of 100 (Notable)
Orivesi Yliskyla	Finland	Record daily precipitation	42.6 mm (1.7 in)	50 of 100 (Notable)
Ukiah	United States	Record daily precipitation	39.9 mm (1.6 in)	49 of 100 (Notable)
Kaarina Yltoinen	Finland	Record daily precipitation	29.1 mm (1.1 in)	46 of 100 (Notable)
Huittinen Sallila	Finland	Record daily precipitation	29.3 mm (1.2 in)	46 of 100 (Notable)
Hanko Tvarminne	Finland	Record daily precipitation	26.8 mm (1.1 in)	45 of 100 (Notable)
Loppi Vojakkala	Finland	Record daily precipitation	28.4 mm (1.1 in)	45 of 100 (Notable)
Tenosique (Smn)	Mexico	Record low minimum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Tammisaari Bromarv Vattlax	Finland	Record daily precipitation	32.1 mm (1.3 in)	44 of 100 (Notable)
San Antonio Arroyo Prieto (Cf	Mexico	Record daily precipitation	67.3 mm (2.6 in)	44 of 100 (Notable)
Hausjarvi Lavinto	Finland	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Frontera Amatenango	Mexico	Record daily precipitation	93.0 mm (3.7 in)	43 of 100 (Notable)
Kamennaja-Step	Russia	Record high minimum temperature	14.3 C (57.7 F)	43 of 100 (Notable)
Ust-Koksa	Russia	Record daily precipitation	31.6 mm (1.2 in)	43 of 100 (Notable)
Hanko Russaro	Finland	Record daily precipitation	25.5 mm (1.0 in)	42 of 100 (Notable)
Siauliai	Lithuania	Record daily precipitation	26.7 mm (1.1 in)	42 of 100 (Notable)
Caltepec	Mexico	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
Somero Suojoki	Finland	Record daily precipitation	26.8 mm (1.1 in)	41 of 100 (Notable)
Gabes	Tunisia	Record high minimum temperature	24.2 C (75.6 F)	41 of 100 (Notable)
Hattula Leteensuo	Finland	Record daily precipitation	26.4 mm (1.0 in)	40 of 100 (Notable)
Tehuacan	Mexico	Record daily precipitation	95.8 mm (3.8 in)	40 of 100 (Notable)
Syktyvkar	Russia	Record high maximum temperature	16.8 C (62.2 F)	40 of 100 (Notable)
Taganrog (Lighthouse)	Russia	Record high minimum temperature	17.3 C (63.1 F)	40 of 100 (Notable)
Sheffield	United Kingdom	Record low minimum temperature	1.9 C (35.4 F)	40 of 100 (Notable)
Ai-Petri	Ukraine	Record high maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Keene	United States	Record low maximum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Kemio Mattkarr	Finland	Record daily precipitation	28.9 mm (1.1 in)	39 of 100 (Notable)
Troicko-Pecherskoe	Russia	Record high minimum temperature	9.6 C (49.3 F)	39 of 100 (Notable)
Buxton	United Kingdom	Record low minimum temperature	-1.2 C (29.8 F)	39 of 100 (Notable)
Northfield	United States	Record low maximum temperature	6.7 C (44.1 F)	39 of 100 (Notable)
Whiteriver 1 SW	United States	Record high minimum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Kelliher	United States	Record low minimum temperature	-7.8 C (18.0 F)	38 of 100 (Notable)
Monticello	United States	Record low minimum temperature	-4.4 C (24.1 F)	38 of 100 (Notable)
Temple	United States	Record low minimum temperature	6.7 C (44.1 F)	38 of 100 (Notable)
Salo Karkka	Finland	Record daily precipitation	26.5 mm (1.0 in)	37 of 100 (Notable)
Vihti Hiiskula	Finland	Record daily precipitation	26.5 mm (1.0 in)	37 of 100 (Notable)
Perpignan	France	Record low minimum temperature	4.7 C (40.5 F)	37 of 100 (Notable)
Temascales	Mexico	Record low maximum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Milan 1NW	United States	Record high minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Fort Shevchenko	Kazakhstan	Record high minimum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Lugansk	Ukraine	Record high minimum temperature	13.5 C (56.3 F)	36 of 100 (Notable)
Moab	United States	Record low minimum temperature	-2.8 C (27.0 F)	36 of 100 (Notable)
Turku Turun Lentoasema	Finland	Record daily precipitation	28.7 mm (1.1 in)	35 of 100 (Notable)
Virrat Jaahdyspohja	Finland	Record daily precipitation	26.8 mm (1.1 in)	35 of 100 (Notable)
Cherdyn'	Russia	Record high minimum temperature	9.2 C (48.6 F)	35 of 100 (Notable)
Bogoroditskoye-Fenino	Russia	Record high maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Poltava	Ukraine	Record high maximum temperature	27.4 C (81.3 F)	35 of 100 (Notable)
Ai-Petri	Ukraine	Record high minimum temperature	15.4 C (59.7 F)	35 of 100 (Notable)
Lerma	Mexico	Record low maximum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
La Piedad de Cabadas (Dge)	Mexico	Record low maximum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Paisley	United Kingdom	Record low minimum temperature	1.8 C (35.2 F)	34 of 100 (Routine)
Lieto Tammentaka	Finland	Record daily precipitation	27.0 mm (1.1 in)	33 of 100 (Routine)
Etla	Mexico	Record daily precipitation	51.8 mm (2.0 in)	33 of 100 (Routine)
Sells	United States	Record high maximum temperature	37.8 C (100.0 F)	33 of 100 (Routine)
Intl Falls Intl AP	United States	Record low minimum temperature	-7.8 C (18.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

914 records

Records set or tied on 6 October 1999 by type: Highest daily maximum 212, Lowest daily maximum 176, Highest daily minimum 203, Lowest daily minimum 115, Heaviest daily rainfall 207, Deepest snow cover 1.

Records on 6 October 1999 by type
Record type	Records
Highest daily maximum	212
Lowest daily maximum	176
Highest daily minimum	203
Lowest daily minimum	115
Heaviest daily rainfall	207
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 6 October 1999 by timescale: all-time 1, monthly 54, daily 859.

How Much Records Were Beaten By

718 broken records

Margins by which the 718 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.0. Ties are not counted.

Top 20 by Significance

6 October 1999

Top 20 records on 6 October 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 October 1999	Huitzuco (Smn), MX	all-time rain	150.1 mm (5.9 in)	50.3 mm (2.0 in)	25 years	72 of 100 (Major)
6 October 1999	Juupajoki Hyytiala, FI	monthly rain	40.6 mm (1.6 in)	15.8 mm (0.6 in)	36 years	61 of 100 (Major)
6 October 1999	Zapotitlan Salinas (Smn), MX	daily rain	69.9 mm (2.8 in)	44.0 mm (1.7 in)	49 years	57 of 100 (Notable)
6 October 1999	Orivesi Uiherla, FI	monthly rain	36.9 mm (1.5 in)	17.1 mm (0.7 in)	6 years	55 of 100 (Notable)
6 October 1999	Pesaro, IT	daily rain	50.6 mm (2.0 in)	18.2 mm (0.7 in)	114 years	55 of 100 (Notable)
6 October 1999	Kara-Tjurek, RU	monthly rain	31.3 mm (1.2 in)	8.7 mm (0.34 in)	38 years	54 of 100 (Notable)
6 October 1999	Orivesi Yliskyla, FI	monthly rain	42.6 mm (1.7 in)	15.4 mm (0.6 in)	2 years	50 of 100 (Notable)
6 October 1999	Ukiah, US	monthly rain	39.9 mm (1.6 in)	8.4 mm (0.33 in)	48 years	49 of 100 (Notable)
6 October 1999	Kaarina Yltoinen, FI	daily rain	29.1 mm (1.1 in)	19.3 mm (0.8 in)	24 years	46 of 100 (Notable)
6 October 1999	Huittinen Sallila, FI	daily rain	29.3 mm (1.2 in)	18.6 mm (0.7 in)	12 years	46 of 100 (Notable)
6 October 1999	Hanko Tvarminne, FI	daily rain	26.8 mm (1.1 in)	20.0 mm (0.8 in)	12 years	45 of 100 (Notable)
6 October 1999	Loppi Vojakkala, FI	daily rain	28.4 mm (1.1 in)	19.1 mm (0.8 in)	8 years	45 of 100 (Notable)
6 October 1999	Tenosique (Smn), MX	daily low min	16.7 C (62.1 F)	3.3 C (5.9 F)	64 years	45 of 100 (Notable)
6 October 1999	Tammisaari Bromarv Vattlax, FI	daily rain	32.1 mm (1.3 in)	21.6 mm (0.9 in)	12 years	44 of 100 (Notable)
6 October 1999	San Antonio Arroyo Prieto (Cf, MX	daily rain	67.3 mm (2.6 in)	46.0 mm (1.8 in)	0 years	44 of 100 (Notable)
6 October 1999	Hausjarvi Lavinto, FI	monthly rain	35.6 mm (1.4 in)	9.7 mm (0.38 in)	24 years	43 of 100 (Notable)
6 October 1999	Frontera Amatenango, MX	daily rain	93.0 mm (3.7 in)	64.0 mm (2.5 in)	0 years	43 of 100 (Notable)
6 October 1999	Kamennaja-Step, RU	daily high min	14.3 C (57.7 F)	1.7 C (3.1 F)	105 years	43 of 100 (Notable)
6 October 1999	Ust-Koksa, RU	daily rain	31.6 mm (1.2 in)	13.8 mm (0.5 in)	32 years	43 of 100 (Notable)
6 October 1999	Hanko Russaro, FI	daily rain	25.5 mm (1.0 in)	17.7 mm (0.7 in)	14 years	42 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 1999

Records set or tied on this calendar date in each year from 1802 to 1999. 1999 had 914 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 1999-10-06: 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 10	651
10 to 20	52
20 to 30	9
30 to 40	1
40 to 50	2
50 to 60	2
60 to 70	1