Weather Records on 30 August 2009

1,251 weather records were set or tied worldwide on 30 August 2009. Highest significance: Rio Grande (Smn), MX.

Key Facts for 30 August 2009

On 30 August 2009, 1,251 weather records were set or tied at long-record stations worldwide.
409 were record highs and 562 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 92 monthly and 1,158 daily.
Rio Grande (Smn) set a daily record precipitation of 41.9 mm (1.6 in) on 30 August 2009.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 418 records.

Record Map

1,251 stations

1,251 station records on 30 August 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rio Grande (Smn)	Mexico	Record daily precipitation	41.9 mm (1.6 in)	64 of 100 (Major)
Tantoyuca	Mexico	Record daily precipitation	162.1 mm (6.4 in)	60 of 100 (Major)
Motozintla (Smn)	Mexico	Record high maximum temperature	36.7 C (98.1 F)	56 of 100 (Notable)
Eastport	United States	Record daily precipitation	88.4 mm (3.5 in)	56 of 100 (Notable)
Machias	United States	Record daily precipitation	98.6 mm (3.9 in)	56 of 100 (Notable)
Edgartown	United States	Record daily precipitation	93.2 mm (3.7 in)	56 of 100 (Notable)
Maitinez	Mexico	Record daily precipitation	115.6 mm (4.6 in)	54 of 100 (Notable)
Korf	Russia	Record daily precipitation	31.8 mm (1.3 in)	53 of 100 (Notable)
Ust-Vojampolka	Russia	Record daily precipitation	33.6 mm (1.3 in)	52 of 100 (Notable)
Centerville Cooper Dr	United States	Record daily precipitation	27.7 mm (1.1 in)	51 of 100 (Notable)
Middleboro	United States	Record daily precipitation	95.5 mm (3.8 in)	51 of 100 (Notable)
Vigmostad	Norway	Record daily precipitation	82.7 mm (3.3 in)	50 of 100 (Notable)
Fiskabygd	Norway	Record daily precipitation	74.5 mm (2.9 in)	50 of 100 (Notable)
Srednekan	Russia	Record daily precipitation	41.6 mm (1.6 in)	50 of 100 (Notable)
Middle Fork Lodge	United States	Record daily precipitation	25.1 mm (1.0 in)	50 of 100 (Notable)
Mason City	United States	Record low minimum temperature	4.4 C (39.9 F)	50 of 100 (Notable)
Jopala (Cfe)	Mexico	Record daily precipitation	141.2 mm (5.6 in)	49 of 100 (Notable)
Rest Lake	United States	Record low maximum temperature	11.1 C (52.0 F)	48 of 100 (Notable)
Neutla	Mexico	Record daily precipitation	56.9 mm (2.2 in)	47 of 100 (Notable)
Presa la Calera	Mexico	Record low minimum temperature	16.7 C (62.1 F)	46 of 100 (Notable)
Hyannis	United States	Record daily precipitation	84.8 mm (3.3 in)	46 of 100 (Notable)
El Coco	Mexico	Record daily precipitation	89.9 mm (3.5 in)	45 of 100 (Notable)
Rison	United States	Record low maximum temperature	26.1 C (79.0 F)	45 of 100 (Notable)
San Francisco Oceanside	United States	Record low minimum temperature	5.6 C (42.1 F)	45 of 100 (Notable)
Detour Village	United States	Record low maximum temperature	13.3 C (55.9 F)	44 of 100 (Notable)
Ironwood	United States	Record low maximum temperature	10.0 C (50.0 F)	44 of 100 (Notable)
Intl Falls Intl AP	United States	Record low minimum temperature	0.0 C (32.0 F)	44 of 100 (Notable)
Rock Is L&D 15	United States	Record low minimum temperature	8.9 C (48.0 F)	43 of 100 (Notable)
Sidney 1SSE	United States	Record low minimum temperature	9.4 C (48.9 F)	43 of 100 (Notable)
Herington	United States	Record low minimum temperature	6.7 C (44.1 F)	43 of 100 (Notable)
Keene	United States	Record low maximum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
San Martin Chalchicuautla	Mexico	Record daily precipitation	119.9 mm (4.7 in)	42 of 100 (Notable)
Fresnillo	Mexico	Record daily precipitation	42.7 mm (1.7 in)	42 of 100 (Notable)
Atlantic 1 NE	United States	Record low maximum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Steffenville	United States	Record low maximum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Boulia Airport	Australia	Record high minimum temperature	21.8 C (71.2 F)	41 of 100 (Notable)
Tibooburra Post Office	Australia	Record low maximum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Bor	Russia	Record daily precipitation	35.5 mm (1.4 in)	41 of 100 (Notable)
Roosevelt 1 S	United States	Record high maximum temperature	43.9 C (111.0 F)	41 of 100 (Notable)
Decatur Wtp	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Glenwood 2WNW	United States	Record low minimum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Long Prairie	United States	Record low minimum temperature	3.3 C (37.9 F)	41 of 100 (Notable)
Chilton	United States	Record low maximum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Park Falls Dnr HQ	United States	Record low maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Waukesha Wwtp	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Fish Creek (Hoddle Range)	Australia	Record daily precipitation	37.2 mm (1.5 in)	40 of 100 (Notable)
Rajkot	India	Record daily precipitation	122.9 mm (4.8 in)	40 of 100 (Notable)
Lincoln	United States	Record low maximum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Burr Oak 4S	United States	Record low maximum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
Blanding	United States	Record high minimum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
San Jacinto	Mexico	Record daily precipitation	103.9 mm (4.1 in)	39 of 100 (Notable)
Talon	Russia	Record daily precipitation	44.0 mm (1.7 in)	39 of 100 (Notable)
Pogranichnyj	Russia	Record low minimum temperature	6.6 C (43.9 F)	39 of 100 (Notable)
Rudnaja Pristan	Russia	Record low minimum temperature	6.0 C (42.8 F)	39 of 100 (Notable)
Belfast	United States	Record low maximum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Centerville 6 SE	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Stadlandet	Norway	Record daily precipitation	70.1 mm (2.8 in)	38 of 100 (Notable)
Trident	United States	Record high minimum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Laboulaye Aero	Argentina	Record high maximum temperature	36.0 C (96.8 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,251 records

Records set or tied on 30 August 2009 by type: Highest daily maximum 172, Lowest daily maximum 278, Highest daily minimum 237, Lowest daily minimum 284, Heaviest daily rainfall 280.

Records on 30 August 2009 by type
Record type	Records
Highest daily maximum	172
Lowest daily maximum	278
Highest daily minimum	237
Lowest daily minimum	284
Heaviest daily rainfall	280
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 2009 by timescale: all-time 1, monthly 92, daily 1,158.

How Much Records Were Beaten By

925 broken records

Margins by which the 925 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 117.1. Ties are not counted.

Top 20 by Significance

30 August 2009

Top 20 records on 30 August 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 2009	Rio Grande (Smn), MX	daily rain	41.9 mm (1.6 in)	31.5 mm (1.2 in)	64 years	64 of 100 (Major)
30 August 2009	Tantoyuca, MX	daily rain	162.1 mm (6.4 in)	117.1 mm (4.6 in)	42 years	60 of 100 (Major)
30 August 2009	Motozintla (Smn), MX	daily high max	36.7 C (98.1 F)	5.0 C (9.0 F)	82 years	56 of 100 (Notable)
30 August 2009	Eastport, US	daily rain	88.4 mm (3.5 in)	53.1 mm (2.1 in)	20 years	56 of 100 (Notable)
30 August 2009	Machias, US	daily rain	98.6 mm (3.9 in)	59.2 mm (2.3 in)	20 years	56 of 100 (Notable)
30 August 2009	Edgartown, US	daily rain	93.2 mm (3.7 in)	56.4 mm (2.2 in)	63 years	56 of 100 (Notable)
30 August 2009	Maitinez, MX	daily rain	115.6 mm (4.6 in)	76.7 mm (3.0 in)	42 years	54 of 100 (Notable)
30 August 2009	Korf, RU	daily rain	31.8 mm (1.3 in)	15.2 mm (0.6 in)	66 years	53 of 100 (Notable)
30 August 2009	Ust-Vojampolka, RU	daily rain	33.6 mm (1.3 in)	24.6 mm (1.0 in)	40 years	52 of 100 (Notable)
30 August 2009	Centerville Cooper Dr, US	daily rain	27.7 mm (1.1 in)	21.9 mm (0.9 in)	32 years	51 of 100 (Notable)
30 August 2009	Middleboro, US	daily rain	95.5 mm (3.8 in)	61.2 mm (2.4 in)	4 years	51 of 100 (Notable)
30 August 2009	Vigmostad, NO	daily rain	82.7 mm (3.3 in)	54.2 mm (2.1 in)	16 years	50 of 100 (Notable)
30 August 2009	Fiskabygd, NO	daily rain	74.5 mm (2.9 in)	38.2 mm (1.5 in)	32 years	50 of 100 (Notable)
30 August 2009	Srednekan, RU	daily rain	41.6 mm (1.6 in)	25.4 mm (1.0 in)	19 years	50 of 100 (Notable)
30 August 2009	Middle Fork Lodge, US	daily rain	25.1 mm (1.0 in)	16.0 mm (0.6 in)	27 years	50 of 100 (Notable)
30 August 2009	Mason City, US	daily low min	4.4 C (39.9 F)	3.9 C (7.0 F)	111 years	50 of 100 (Notable)
30 August 2009	Jopala (Cfe), MX	daily rain	141.2 mm (5.6 in)	100.3 mm (3.9 in)	40 years	49 of 100 (Notable)
30 August 2009	Rest Lake, US	monthly low max	11.1 C (52.0 F)	0.6 C (1.1 F)	94 years	48 of 100 (Notable)
30 August 2009	Neutla, MX	daily rain	56.9 mm (2.2 in)	40.1 mm (1.6 in)	22 years	47 of 100 (Notable)
30 August 2009	Presa la Calera, MX	daily low min	16.7 C (62.1 F)	3.9 C (7.0 F)	32 years	46 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

1806 to 2009

Records set or tied on this calendar date in each year from 1806 to 2009. 2009 had 1,251 records.

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

Records on 08-30 in each year
Year	Records
1806	1
1807	4
1813	1
1814	2
1827	1
1829	1
1835	1
1838	1
1839	1
1845	4
1850	1
1851	2
1855	1
1857	1
1859	1
1864	2
1867	1
1869	1
1870	2
1874	1
1875	2
1876	1
1877	2
1878	1
1880	4
1881	2
1882	1
1884	1
1885	5
1886	7
1887	1
1888	1
1889	2
1890	5
1891	1
1892	3
1893	3
1894	2
1895	1
1896	1
1897	3
1898	3
1899	2
1900	6
1901	8
1902	12
1903	19
1904	13
1905	23
1906	29
1907	8
1908	10
1909	37
1910	15
1911	41
1912	60
1913	22
1914	23
1915	47
1916	17
1917	50
1918	45
1919	17
1920	78
1921	100
1922	65
1923	61
1924	283
1925	167
1926	173
1927	109
1928	327
1929	208
1930	245
1931	192
1932	1,102
1933	274
1934	519
1935	476
1936	191
1937	418
1938	233
1939	401
1940	346
1941	422
1942	385
1943	487
1944	491
1945	455
1946	545
1947	599
1948	519
1949	240
1950	481
1951	1,091
1952	316
1953	1,124
1954	516
1955	417
1956	479
1957	321
1958	363
1959	546
1960	356
1961	573
1962	387
1963	442
1964	422
1965	1,118
1966	500
1967	536
1968	729
1969	522
1970	423
1971	443
1972	579
1973	646
1974	838
1975	664
1976	679
1977	665
1978	825
1979	517
1980	572
1981	684
1982	770
1983	696
1984	1,127
1985	629
1986	1,768
1987	638
1988	881
1989	791
1990	983
1991	938
1992	1,697
1993	1,200
1994	601
1995	940
1996	1,385
1997	960
1998	1,278
1999	864
2000	1,189
2001	750
2002	801
2003	1,226
2004	1,087
2005	1,500
2006	989
2007	1,300
2008	678
2009	1,251
2010	1,552
2011	994
2012	1,087
2013	644
2014	558
2015	1,074
2016	552
2017	924
2018	616
2019	755
2020	671
2021	429
2022	1,077
2023	651
2024	912
2025	324
2026	733

Download the Data

Data for records on 2009-08-30: 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	866
20 to 40	36
40 to 60	15
60 to 80	6
80 to 100	0
100 to 120	2