Weather Records on 30 November 2009

951 weather records were set or tied worldwide on 30 November 2009. Highest significance: Iturbide, MX.

Key Facts for 30 November 2009

On 30 November 2009, 951 weather records were set or tied at long-record stations worldwide.
368 were record highs and 128 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 64 monthly and 882 daily.
Iturbide set a monthly record daily precipitation of 84.6 mm (3.3 in) on 30 November 2009.
Across 158 earlier years (1797 to 2025) the same calendar date averaged 486 records.

Record Map

951 stations

951 station records on 30 November 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 November 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Iturbide	Mexico	Record daily precipitation	84.6 mm (3.3 in)	69 of 100 (Major)
Paradise	United States	Record daily snowfall	14.7 cm (5.8 in)	69 of 100 (Major)
El Cazadero	Mexico	Record daily precipitation	68.8 mm (2.7 in)	66 of 100 (Major)
Paradise	United States	Record daily precipitation	40.1 mm (1.6 in)	66 of 100 (Major)
Camacho	Mexico	Record daily precipitation	69.3 mm (2.7 in)	63 of 100 (Major)
Montemorelos	Mexico	Record daily precipitation	70.9 mm (2.8 in)	62 of 100 (Major)
Santa Rosa	Mexico	Record daily precipitation	67.8 mm (2.7 in)	62 of 100 (Major)
Rayones	Mexico	Record daily precipitation	73.9 mm (2.9 in)	61 of 100 (Major)
Calera	Mexico	Record daily precipitation	56.1 mm (2.2 in)	61 of 100 (Major)
Zacatecas (Dge)	Mexico	Record daily precipitation	50.8 mm (2.0 in)	60 of 100 (Major)
El Cuchillo	Mexico	Record daily precipitation	54.4 mm (2.1 in)	59 of 100 (Notable)
Pablillo (Dge)	Mexico	Record daily precipitation	97.3 mm (3.8 in)	59 of 100 (Notable)
Aramberri II	Mexico	Record daily precipitation	51.3 mm (2.0 in)	58 of 100 (Notable)
Las Enramadas	Mexico	Record daily precipitation	54.9 mm (2.2 in)	58 of 100 (Notable)
Salinillas	Mexico	Record daily precipitation	26.4 mm (1.0 in)	58 of 100 (Notable)
Cedral	Mexico	Record daily precipitation	35.8 mm (1.4 in)	58 of 100 (Notable)
Cerro Prieto	Mexico	Record daily precipitation	61.0 mm (2.4 in)	57 of 100 (Notable)
Puerto de Valles	Mexico	Record daily precipitation	46.2 mm (1.8 in)	57 of 100 (Notable)
Cerro Blanco	Mexico	Record daily precipitation	51.8 mm (2.0 in)	56 of 100 (Notable)
El Realito	Mexico	Record daily precipitation	49.8 mm (2.0 in)	56 of 100 (Notable)
Garza Ayala	Mexico	Record daily precipitation	48.3 mm (1.9 in)	56 of 100 (Notable)
Vanegas	Mexico	Record daily precipitation	73.9 mm (2.9 in)	56 of 100 (Notable)
La Desembocada	Mexico	Record daily precipitation	68.8 mm (2.7 in)	55 of 100 (Notable)
Malpaso	Mexico	Record daily precipitation	66.8 mm (2.6 in)	55 of 100 (Notable)
Paso de Arocha	Mexico	Record daily precipitation	52.1 mm (2.1 in)	54 of 100 (Notable)
El Cerrito	Mexico	Record daily precipitation	28.4 mm (1.1 in)	53 of 100 (Notable)
La Boca	Mexico	Record daily precipitation	36.3 mm (1.4 in)	53 of 100 (Notable)
San Tiburcio (Dge)	Mexico	Record daily precipitation	42.9 mm (1.7 in)	53 of 100 (Notable)
Huejucar (Obs)	Mexico	Record daily precipitation	61.5 mm (2.4 in)	52 of 100 (Notable)
Tenzompa	Mexico	Record daily precipitation	52.8 mm (2.1 in)	52 of 100 (Notable)
Jesus Maria	Mexico	Record daily precipitation	52.8 mm (2.1 in)	52 of 100 (Notable)
Coyotillos	Mexico	Record daily precipitation	49.8 mm (2.0 in)	52 of 100 (Notable)
Haparanda	Sweden	Record daily precipitation	28.7 mm (1.1 in)	52 of 100 (Notable)
La Cruz	Mexico	Record daily precipitation	39.9 mm (1.6 in)	51 of 100 (Notable)
San Carlos	Mexico	Record daily precipitation	98.6 mm (3.9 in)	51 of 100 (Notable)
La Villita	Mexico	Record daily precipitation	27.2 mm (1.1 in)	51 of 100 (Notable)
Monte Escobedo	Mexico	Record daily precipitation	68.3 mm (2.7 in)	51 of 100 (Notable)
Gilman	United States	Record daily precipitation	56.6 mm (2.2 in)	51 of 100 (Notable)
Yankalilla	Australia	Record daily precipitation	29.8 mm (1.2 in)	50 of 100 (Notable)
Excame	Mexico	Record daily precipitation	26.9 mm (1.1 in)	50 of 100 (Notable)
Rio Grande City	United States	Record daily precipitation	44.7 mm (1.8 in)	50 of 100 (Notable)
Sauz de Calera	Mexico	Record daily precipitation	36.8 mm (1.4 in)	49 of 100 (Notable)
Vannas	Sweden	Record daily precipitation	27.9 mm (1.1 in)	49 of 100 (Notable)
Port Isabel	United States	Record daily precipitation	27.2 mm (1.1 in)	49 of 100 (Notable)
Haleakala Rs 338	United States	Record daily precipitation	100.8 mm (4.0 in)	49 of 100 (Notable)
Los Ramones	Mexico	Record daily precipitation	36.8 mm (1.4 in)	48 of 100 (Notable)
Navojoa	Mexico	Record low maximum temperature	17.8 C (64.0 F)	48 of 100 (Notable)
Capomal	Mexico	Record daily precipitation	50.0 mm (2.0 in)	47 of 100 (Notable)
San Pedro	Mexico	Record daily precipitation	52.1 mm (2.1 in)	47 of 100 (Notable)
Villaldama	Mexico	Record daily precipitation	31.8 mm (1.3 in)	47 of 100 (Notable)
Hidalgo (Dge)	Mexico	Record daily precipitation	34.8 mm (1.4 in)	47 of 100 (Notable)
Palomas	Mexico	Record daily precipitation	32.5 mm (1.3 in)	47 of 100 (Notable)
Bolaos	Mexico	Record daily precipitation	26.2 mm (1.0 in)	46 of 100 (Notable)
Elk	United States	Record low maximum temperature	-1.1 C (30.0 F)	46 of 100 (Notable)
Cienega de Flores	Mexico	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Karungi	Sweden	Record daily precipitation	28.1 mm (1.1 in)	45 of 100 (Notable)
Ft Davis	United States	Record low maximum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Lampazos (Smn)	Mexico	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Corralejo	Mexico	Record daily precipitation	39.9 mm (1.6 in)	44 of 100 (Notable)
El Chique	Mexico	Record daily precipitation	25.1 mm (1.0 in)	44 of 100 (Notable)

Counts by Type and Timescale

951 records

Records set or tied on 30 November 2009 by type: Highest daily maximum 162, Lowest daily maximum 96, Highest daily minimum 206, Lowest daily minimum 32, Heaviest daily rainfall 440, Heaviest daily snowfall 11, Deepest snow cover 4.

Records on 30 November 2009 by type
Record type	Records
Highest daily maximum	162
Lowest daily maximum	96
Highest daily minimum	206
Lowest daily minimum	32
Heaviest daily rainfall	440
Heaviest daily snowfall	11
Deepest snow cover	4

Records on 30 November 2009 by timescale: all-time 5, monthly 64, daily 882.

How Much Records Were Beaten By

798 broken records

Margins by which the 798 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 147.0. Ties are not counted.

Top 20 by Significance

30 November 2009

Top 20 records on 30 November 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 November 2009	Iturbide, MX	monthly rain	84.6 mm (3.3 in)	46.8 mm (1.8 in)	40 years	69 of 100 (Major)
30 November 2009	Paradise, US	daily snowfall	14.7 cm (5.8 in)	14.7 cm (5.8 in)	103 years	69 of 100 (Major)
30 November 2009	El Cazadero, MX	monthly rain	68.8 mm (2.7 in)	41.9 mm (1.6 in)	40 years	66 of 100 (Major)
30 November 2009	Paradise, US	monthly rain	40.1 mm (1.6 in)	13.2 mm (0.5 in)	88 years	66 of 100 (Major)
30 November 2009	Camacho, MX	monthly rain	69.3 mm (2.7 in)	30.9 mm (1.2 in)	26 years	63 of 100 (Major)
30 November 2009	Montemorelos, MX	daily rain	70.9 mm (2.8 in)	64.5 mm (2.5 in)	47 years	62 of 100 (Major)
30 November 2009	Santa Rosa, MX	monthly rain	67.8 mm (2.7 in)	47.0 mm (1.9 in)	29 years	62 of 100 (Major)
30 November 2009	Rayones, MX	monthly rain	73.9 mm (2.9 in)	33.0 mm (1.3 in)	30 years	61 of 100 (Major)
30 November 2009	Calera, MX	monthly rain	56.1 mm (2.2 in)	30.4 mm (1.2 in)	20 years	61 of 100 (Major)
30 November 2009	Zacatecas (Dge), MX	monthly rain	50.8 mm (2.0 in)	26.9 mm (1.1 in)	20 years	60 of 100 (Major)
30 November 2009	El Cuchillo, MX	daily rain	54.4 mm (2.1 in)	44.5 mm (1.8 in)	40 years	59 of 100 (Notable)
30 November 2009	Pablillo (Dge), MX	monthly rain	97.3 mm (3.8 in)	57.4 mm (2.3 in)	23 years	59 of 100 (Notable)
30 November 2009	Aramberri II, MX	monthly rain	51.3 mm (2.0 in)	25.9 mm (1.0 in)	16 years	58 of 100 (Notable)
30 November 2009	Las Enramadas, MX	daily rain	54.9 mm (2.2 in)	48.0 mm (1.9 in)	40 years	58 of 100 (Notable)
30 November 2009	Salinillas, MX	daily rain	26.4 mm (1.0 in)	25.1 mm (1.0 in)	62 years	58 of 100 (Notable)
30 November 2009	Cedral, MX	daily rain	35.8 mm (1.4 in)	32.0 mm (1.3 in)	35 years	58 of 100 (Notable)
30 November 2009	Cerro Prieto, MX	daily rain	61.0 mm (2.4 in)	51.1 mm (2.0 in)	40 years	57 of 100 (Notable)
30 November 2009	Puerto de Valles, MX	daily rain	46.2 mm (1.8 in)	43.4 mm (1.7 in)	44 years	57 of 100 (Notable)
30 November 2009	Cerro Blanco, MX	daily rain	51.8 mm (2.0 in)	48.8 mm (1.9 in)	40 years	56 of 100 (Notable)
30 November 2009	El Realito, MX	daily rain	49.8 mm (2.0 in)	47.0 mm (1.9 in)	40 years	56 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

1797 to 2009

Records set or tied on this calendar date in each year from 1797 to 2009. 2009 had 951 records.

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

Records on 11-30 in each year
Year	Records
1797	1
1799	2
1807	2
1815	2
1817	1
1821	1
1827	2
1836	1
1840	1
1846	1
1849	2
1866	1
1867	1
1871	2
1875	7
1876	2
1879	2
1881	1
1885	7
1886	1
1887	2
1888	1
1889	3
1890	2
1891	2
1892	2
1893	3
1894	1
1895	7
1896	5
1897	5
1898	1
1899	7
1900	4
1901	8
1902	7
1903	22
1904	6
1905	16
1906	21
1907	6
1908	51
1909	20
1910	22
1911	22
1912	19
1913	54
1914	68
1915	37
1916	64
1917	26
1918	32
1919	87
1920	138
1921	42
1922	46
1923	144
1924	95
1925	102
1926	84
1927	600
1928	187
1929	883
1930	185
1931	375
1932	372
1933	1,006
1934	1,282
1935	84
1936	186
1937	375
1938	165
1939	321
1940	330
1941	298
1942	218
1943	238
1944	422
1945	147
1946	343
1947	544
1948	332
1949	323
1950	382
1951	348
1952	829
1953	307
1954	470
1955	576
1956	304
1957	226
1958	676
1959	339
1960	219
1961	412
1962	802
1963	566
1964	1,042
1965	309
1966	730
1967	802
1968	516
1969	625
1970	995
1971	501
1972	414
1973	635
1974	912
1975	2,018
1976	1,789
1977	935
1978	761
1979	837
1980	697
1981	1,361
1982	1,142
1983	1,137
1984	571
1985	2,887
1986	798
1987	913
1988	686
1989	781
1990	483
1991	2,104
1992	676
1993	756
1994	762
1995	1,472
1996	1,054
1997	987
1998	2,289
1999	1,170
2000	962
2001	1,431
2002	862
2003	634
2004	1,344
2005	883
2006	2,656
2007	739
2008	855
2009	951
2010	1,915
2011	1,108
2012	1,059
2013	505
2014	822
2015	880
2016	634
2017	307
2018	493
2019	1,060
2020	323
2021	1,049
2022	559
2023	583
2024	672
2025	858

Download the Data

Data for records on 2009-11-30: 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	717
20 to 40	54
40 to 60	20
60 to 80	6
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1