Weather Records on 6 October 2009

1,722 weather records were set or tied worldwide on 6 October 2009. Highest significance: Lima, US.

Key Facts for 6 October 2009

On 6 October 2009, 1,722 weather records were set or tied at long-record stations worldwide.
916 were record highs and 505 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 146 monthly and 1,576 daily.
Lima set a daily record snow depth of 30.5 cm (12.0 in) on 6 October 2009.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 444 records.

Record Map

1,722 stations

1,722 station records on 6 October 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 October 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lima	United States	Record snow depth	30.5 cm (12.0 in)	80 of 100 (Exceptional)
Mellette 4 W	United States	Record daily precipitation	37.6 mm (1.5 in)	59 of 100 (Notable)
Buffalo	United States	Record snow depth	17.8 cm (7.0 in)	52 of 100 (Notable)
Puente Colgante	Mexico	Record daily precipitation	81.8 mm (3.2 in)	51 of 100 (Notable)
Bombay/Santacruz	India	Record daily precipitation	111.0 mm (4.4 in)	50 of 100 (Notable)
Mc Intosh 6 SE	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Montello 2NE	United States	Record low maximum temperature	7.2 C (45.0 F)	47 of 100 (Notable)
Lander AP	United States	Record snow depth	25.4 cm (10.0 in)	47 of 100 (Notable)
Bryant	United States	Record daily precipitation	37.1 mm (1.5 in)	46 of 100 (Notable)
Grand Junction Walker Fld	United States	Record low minimum temperature	-2.8 C (27.0 F)	46 of 100 (Notable)
Billy Creek	United States	Record snow depth	10.2 cm (4.0 in)	45 of 100 (Notable)
Camp Crook	United States	Record daily snowfall	5.1 cm (2.0 in)	44 of 100 (Notable)
Jeffrey City	United States	Record snow depth	25.4 cm (10.0 in)	44 of 100 (Notable)
Riverton	United States	Record snow depth	10.2 cm (4.0 in)	44 of 100 (Notable)
Weissenburg	Germany	Record high minimum temperature	13.9 C (57.0 F)	43 of 100 (Notable)
Harding 3 SE	United States	Record snow depth	20.3 cm (8.0 in)	43 of 100 (Notable)
Alvin	United States	Record high minimum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Presa Colorines (Cfe)	Mexico	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Ft Pierce	United States	Record high maximum temperature	33.9 C (93.0 F)	42 of 100 (Notable)
Calhoun City	United States	Record low maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Hallettsville 2 N	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Kaiserslautern	Germany	Record high minimum temperature	14.7 C (58.5 F)	41 of 100 (Notable)
Meeker	United States	Record low minimum temperature	-7.8 C (18.0 F)	41 of 100 (Notable)
Beeville 5 NE	United States	Record high minimum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Salzburg	Austria	Record high minimum temperature	13.6 C (56.5 F)	40 of 100 (Notable)
San Ignacio	Mexico	Record low minimum temperature	3.3 C (37.9 F)	40 of 100 (Notable)
Fossil Downs	Australia	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Tacambaro	Mexico	Record high maximum temperature	36.7 C (98.1 F)	39 of 100 (Notable)
Huntington Lake	United States	Record low maximum temperature	0.6 C (33.1 F)	39 of 100 (Notable)
Mojave	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Hollister	United States	Record low maximum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Miller	United States	Record daily precipitation	41.4 mm (1.6 in)	39 of 100 (Notable)
Sonora	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Atlatlahuacan	Mexico	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Santiago Chivela	Mexico	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Braganca	Portugal	Record daily precipitation	26.8 mm (1.1 in)	38 of 100 (Notable)
Ramos Arizpe (Smn)	Mexico	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Guayama 1SW	Puerto Rico [United States]	Record high minimum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
San Sebastian - Igueldo	Spain	Record high maximum temperature	29.2 C (84.6 F)	37 of 100 (Notable)
Cuyamaca	United States	Record low minimum temperature	-3.3 C (26.1 F)	37 of 100 (Notable)
Lenora Coop	United States	Record daily precipitation	32.8 mm (1.3 in)	37 of 100 (Notable)
Calhoun 2 N	United States	Record low maximum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Knobs 4 SW	United States	Record snow depth	15.2 cm (6.0 in)	37 of 100 (Notable)
Gwalior	India	Record daily precipitation	88.9 mm (3.5 in)	36 of 100 (Notable)
Potrerillos	Mexico	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Jose Cardel	Mexico	Record high minimum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Bagdad	United States	Record low minimum temperature	2.8 C (37.0 F)	36 of 100 (Notable)
Conway	United States	Record low maximum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Covington	United States	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Fishtail	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Rocksprings	United States	Record high minimum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Regensburg	Germany	Record high maximum temperature	26.3 C (79.3 F)	35 of 100 (Notable)
San Isidro	Mexico	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)
Idaho City	United States	Record low maximum temperature	6.7 C (44.1 F)	35 of 100 (Notable)
Tryon	United States	Record low maximum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Redfield	United States	Record daily precipitation	36.3 mm (1.4 in)	35 of 100 (Notable)
Matagorda #2	United States	Record high minimum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
Midwest	United States	Record daily snowfall	6.4 cm (2.5 in)	35 of 100 (Notable)
Lander AP	United States	Record low minimum temperature	-10.0 C (14.0 F)	35 of 100 (Notable)
San Cristobal	Mexico	Record low minimum temperature	6.7 C (44.1 F)	34 of 100 (Routine)

Counts by Type and Timescale

1,722 records

Records set or tied on 6 October 2009 by type: Highest daily maximum 430, Lowest daily maximum 299, Highest daily minimum 486, Lowest daily minimum 206, Heaviest daily rainfall 225, Heaviest daily snowfall 30, Deepest snow cover 46.

Records on 6 October 2009 by type
Record type	Records
Highest daily maximum	430
Lowest daily maximum	299
Highest daily minimum	486
Lowest daily minimum	206
Heaviest daily rainfall	225
Heaviest daily snowfall	30
Deepest snow cover	46

Records on 6 October 2009 by timescale: all-time 0, monthly 146, daily 1,576.

How Much Records Were Beaten By

1,235 broken records

Margins by which the 1,235 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

6 October 2009

Top 20 records on 6 October 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 October 2009	Lima, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	109 years	80 of 100 (Exceptional)
6 October 2009	Mellette 4 W, US	daily rain	37.6 mm (1.5 in)	19.8 mm (0.8 in)	108 years	59 of 100 (Notable)
6 October 2009	Buffalo, US	daily snow depth	17.8 cm (7.0 in)	15.3 cm (6.0 in)	19 years	52 of 100 (Notable)
6 October 2009	Puente Colgante, MX	daily rain	81.8 mm (3.2 in)	45.2 mm (1.8 in)	40 years	51 of 100 (Notable)
6 October 2009	Bombay/Santacruz, IN	daily rain	111.0 mm (4.4 in)	97.0 mm (3.8 in)	24 years	50 of 100 (Notable)
6 October 2009	Mc Intosh 6 SE, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	94 years	50 of 100 (Notable)
6 October 2009	Montello 2NE, US	daily low max	7.2 C (45.0 F)	4.5 C (8.1 F)	100 years	47 of 100 (Notable)
6 October 2009	Lander AP, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	60 years	47 of 100 (Notable)
6 October 2009	Bryant, US	daily rain	37.1 mm (1.5 in)	27.7 mm (1.1 in)	36 years	46 of 100 (Notable)
6 October 2009	Grand Junction Walker Fld, US	daily low min	-2.8 C (27.0 F)	2.8 C (5.0 F)	96 years	46 of 100 (Notable)
6 October 2009	Billy Creek, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	47 years	45 of 100 (Notable)
6 October 2009	Camp Crook, US	daily snowfall	5.1 cm (2.0 in)	2.6 cm (1.0 in)	114 years	44 of 100 (Notable)
6 October 2009	Jeffrey City, US	daily snow depth	25.4 cm (10.0 in)	22.9 cm (9.0 in)	27 years	44 of 100 (Notable)
6 October 2009	Riverton, US	daily snow depth	10.2 cm (4.0 in)	5.1 cm (2.0 in)	96 years	44 of 100 (Notable)
6 October 2009	Weissenburg, DE	daily high min	13.9 C (57.0 F)	1.3 C (2.3 F)	128 years	43 of 100 (Notable)
6 October 2009	Harding 3 SE, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	36 years	43 of 100 (Notable)
6 October 2009	Alvin, US	daily high min	25.0 C (77.0 F)	2.2 C (4.0 F)	98 years	43 of 100 (Notable)
6 October 2009	Presa Colorines (Cfe), MX	daily high min	20.0 C (68.0 F)	3.3 C (5.9 F)	60 years	42 of 100 (Notable)
6 October 2009	Ft Pierce, US	daily high max	33.9 C (93.0 F)	0.6 C (1.1 F)	103 years	42 of 100 (Notable)
6 October 2009	Calhoun City, US	daily low max	16.1 C (61.0 F)	2.2 C (4.0 F)	94 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 2009

Records set or tied on this calendar date in each year from 1802 to 2009. 2009 had 1,722 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 2009-10-06: 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 50	1,201
50 to 100	21
100 to 150	6
150 to 200	4
200 to 250	1
250 to 300	1
300 to 350	1