Weather Records on 29 August 2009

1,110 weather records were set or tied worldwide on 29 August 2009. Highest significance: Wickliffe, AU.

Key Facts for 29 August 2009

On 29 August 2009, 1,110 weather records were set or tied at long-record stations worldwide.
543 were record highs and 267 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 79 monthly and 1,028 daily.
Wickliffe set a daily record precipitation of 32.0 mm (1.3 in) on 29 August 2009.
Across 161 earlier years (1807 to 2026) the same calendar date averaged 447 records.

Record Map

1,110 stations

1,110 station records on 29 August 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 August 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wickliffe	Australia	Record daily precipitation	32.0 mm (1.3 in)	80 of 100 (Exceptional)
Tobolsk	Russia	Record daily precipitation	31.2 mm (1.2 in)	60 of 100 (Major)
Dunkeld	Australia	Record daily precipitation	25.4 mm (1.0 in)	59 of 100 (Notable)
Ixmiquilpan (Smn)	Mexico	Record daily precipitation	58.9 mm (2.3 in)	58 of 100 (Notable)
Wymah (Gwandallen)	Australia	Record daily precipitation	49.8 mm (2.0 in)	56 of 100 (Notable)
El Tajo -Tunel Viejo-	Mexico	Record daily precipitation	65.8 mm (2.6 in)	56 of 100 (Notable)
Durdidwarrah	Australia	Record daily precipitation	29.6 mm (1.2 in)	54 of 100 (Notable)
Mazamitla	Mexico	Record daily precipitation	78.0 mm (3.1 in)	53 of 100 (Notable)
Vigmostad	Norway	Record daily precipitation	82.7 mm (3.3 in)	53 of 100 (Notable)
Glenthompson	Australia	Record daily precipitation	27.0 mm (1.1 in)	52 of 100 (Notable)
Presa la Calera	Mexico	Record low minimum temperature	15.6 C (60.1 F)	52 of 100 (Notable)
Tasquillo	Mexico	Record daily precipitation	52.3 mm (2.1 in)	52 of 100 (Notable)
Saint Johns	United States	Record low maximum temperature	15.0 C (59.0 F)	51 of 100 (Notable)
Lake Bolac (Post Office)	Australia	Record daily precipitation	25.6 mm (1.0 in)	49 of 100 (Notable)
Motozintla (Smn)	Mexico	Record high maximum temperature	35.0 C (95.0 F)	49 of 100 (Notable)
Magdalena	Mexico	Record high minimum temperature	22.2 C (72.0 F)	47 of 100 (Notable)
Saint Helena	United States	Record high minimum temperature	21.1 C (70.0 F)	47 of 100 (Notable)
Covington	United States	Record low maximum temperature	22.2 C (72.0 F)	47 of 100 (Notable)
Petoskey	United States	Record daily precipitation	27.7 mm (1.1 in)	46 of 100 (Notable)
Bangor Intl AP	United States	Record daily precipitation	52.8 mm (2.1 in)	46 of 100 (Notable)
Mt Vernon	United States	Record daily precipitation	68.6 mm (2.7 in)	45 of 100 (Notable)
Cambridge	United States	Record high minimum temperature	20.6 C (69.1 F)	45 of 100 (Notable)
Lysebotn	Norway	Record daily precipitation	65.1 mm (2.6 in)	44 of 100 (Notable)
Purdum	United States	Record low minimum temperature	1.7 C (35.1 F)	44 of 100 (Notable)
Colville	United States	Record high minimum temperature	16.7 C (62.1 F)	44 of 100 (Notable)
Boulia Airport	Australia	Record high minimum temperature	20.5 C (68.9 F)	43 of 100 (Notable)
Hacienda la Y	Mexico	Record low maximum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Maquixco	Mexico	Record daily precipitation	36.8 mm (1.4 in)	43 of 100 (Notable)
Haines AP	United States	Record daily precipitation	38.9 mm (1.5 in)	43 of 100 (Notable)
Mys Alevina	Russia	Record daily precipitation	32.3 mm (1.3 in)	42 of 100 (Notable)
Howell Wwtp	United States	Record low maximum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Lazdijai	Lithuania	Record daily precipitation	53.8 mm (2.1 in)	41 of 100 (Notable)
Ipswich	United States	Record daily precipitation	63.8 mm (2.5 in)	41 of 100 (Notable)
Upper Sandusky	United States	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Republic	United States	Record high minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Chietla	Mexico	Record daily precipitation	101.9 mm (4.0 in)	40 of 100 (Notable)
Batacosa	Mexico	Record low minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Napa State Hospital	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Trident	United States	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Rosalia	United States	Record high maximum temperature	40.0 C (104.0 F)	40 of 100 (Notable)
Cairns Post Office	Australia	Record high maximum temperature	30.2 C (86.4 F)	39 of 100 (Notable)
Kentfield	United States	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Lompoc	United States	Record high maximum temperature	34.4 C (93.9 F)	39 of 100 (Notable)
Vacaville	United States	Record high maximum temperature	42.2 C (108.0 F)	39 of 100 (Notable)
Sanford 2 NNW	United States	Record daily precipitation	52.6 mm (2.1 in)	39 of 100 (Notable)
Alpena Co Rgnl AP	United States	Record daily precipitation	43.4 mm (1.7 in)	39 of 100 (Notable)
Charleville Aero	Australia	Record high minimum temperature	20.7 C (69.3 F)	38 of 100 (Notable)
Rosso	Mauritania	Record daily precipitation	71.9 mm (2.8 in)	38 of 100 (Notable)
Monterey	United States	Record high minimum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Ameca	Mexico	Record low maximum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Piqua	United States	Record daily precipitation	36.6 mm (1.4 in)	37 of 100 (Notable)
Petersburg 1	United States	Record high minimum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Tlaquepaque	Mexico	Record daily precipitation	51.8 mm (2.0 in)	36 of 100 (Notable)
Acatlan de Osorio (Smn)	Mexico	Record daily precipitation	95.0 mm (3.7 in)	36 of 100 (Notable)
Nashua 2 NNW	United States	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Bollon Mary St	Australia	Record high maximum temperature	37.0 C (98.6 F)	35 of 100 (Notable)
Irishtown	Australia	Record daily precipitation	26.6 mm (1.0 in)	35 of 100 (Notable)
El Manantial	Mexico	Record daily precipitation	33.3 mm (1.3 in)	35 of 100 (Notable)
El Salto	Mexico	Record daily precipitation	41.1 mm (1.6 in)	35 of 100 (Notable)
La Experiencia	Mexico	Record low maximum temperature	21.7 C (71.1 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,110 records

Records set or tied on 29 August 2009 by type: Highest daily maximum 257, Lowest daily maximum 139, Highest daily minimum 286, Lowest daily minimum 128, Heaviest daily rainfall 300.

Records on 29 August 2009 by type
Record type	Records
Highest daily maximum	257
Lowest daily maximum	139
Highest daily minimum	286
Lowest daily minimum	128
Heaviest daily rainfall	300
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 29 August 2009 by timescale: all-time 3, monthly 79, daily 1,028.

How Much Records Were Beaten By

811 broken records

Margins by which the 811 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 46.7. Ties are not counted.

Top 20 by Significance

29 August 2009

Top 20 records on 29 August 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 August 2009	Wickliffe, AU	daily rain	32.0 mm (1.3 in)	19.3 mm (0.8 in)	108 years	80 of 100 (Exceptional)
29 August 2009	Tobolsk, RU	daily rain	31.2 mm (1.2 in)	15.1 mm (0.6 in)	107 years	60 of 100 (Major)
29 August 2009	Dunkeld, AU	daily rain	25.4 mm (1.0 in)	9.7 mm (0.38 in)	96 years	59 of 100 (Notable)
29 August 2009	Ixmiquilpan (Smn), MX	daily rain	58.9 mm (2.3 in)	30.5 mm (1.2 in)	67 years	58 of 100 (Notable)
29 August 2009	Wymah (Gwandallen), AU	daily rain	49.8 mm (2.0 in)	30.8 mm (1.2 in)	24 years	56 of 100 (Notable)
29 August 2009	El Tajo -Tunel Viejo-, MX	daily rain	65.8 mm (2.6 in)	44.0 mm (1.7 in)	40 years	56 of 100 (Notable)
29 August 2009	Durdidwarrah, AU	daily rain	29.6 mm (1.2 in)	15.6 mm (0.6 in)	35 years	54 of 100 (Notable)
29 August 2009	Mazamitla, MX	daily rain	78.0 mm (3.1 in)	31.0 mm (1.2 in)	56 years	53 of 100 (Notable)
29 August 2009	Vigmostad, NO	daily rain	82.7 mm (3.3 in)	44.2 mm (1.7 in)	42 years	53 of 100 (Notable)
29 August 2009	Glenthompson, AU	daily rain	27.0 mm (1.1 in)	15.6 mm (0.6 in)	39 years	52 of 100 (Notable)
29 August 2009	Presa la Calera, MX	daily low min	15.6 C (60.1 F)	5.0 C (9.0 F)	32 years	52 of 100 (Notable)
29 August 2009	Tasquillo, MX	daily rain	52.3 mm (2.1 in)	46.7 mm (1.8 in)	30 years	52 of 100 (Notable)
29 August 2009	Saint Johns, US	monthly low max	15.0 C (59.0 F)	0.6 C (1.1 F)	106 years	51 of 100 (Notable)
29 August 2009	Lake Bolac (Post Office), AU	daily rain	25.6 mm (1.0 in)	13.4 mm (0.5 in)	39 years	49 of 100 (Notable)
29 August 2009	Motozintla (Smn), MX	daily high max	35.0 C (95.0 F)	3.3 C (5.9 F)	84 years	49 of 100 (Notable)
29 August 2009	Magdalena, MX	daily high min	22.2 C (72.0 F)	3.3 C (5.9 F)	51 years	47 of 100 (Notable)
29 August 2009	Saint Helena, US	monthly high min	21.1 C (70.0 F)	0.5 C (0.9 F)	88 years	47 of 100 (Notable)
29 August 2009	Covington, US	daily low max	22.2 C (72.0 F)	2.2 C (4.0 F)	110 years	47 of 100 (Notable)
29 August 2009	Petoskey, US	daily rain	27.7 mm (1.1 in)	6.9 mm (0.27 in)	112 years	46 of 100 (Notable)
29 August 2009	Bangor Intl AP, US	daily rain	52.8 mm (2.1 in)	28.7 mm (1.1 in)	47 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

1807 to 2009

Records set or tied on this calendar date in each year from 1807 to 2009. 2009 had 1,110 records.

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

Records on 08-29 in each year
Year	Records
1807	4
1814	2
1827	1
1834	1
1835	1
1837	1
1839	1
1844	1
1845	1
1850	1
1851	4
1863	1
1864	1
1865	2
1866	1
1869	1
1870	1
1875	1
1877	4
1878	1
1880	1
1881	1
1884	1
1885	3
1886	3
1887	1
1889	1
1891	1
1893	3
1894	6
1895	2
1896	10
1897	4
1898	2
1899	1
1900	1
1901	6
1902	7
1903	21
1904	7
1905	21
1906	14
1907	5
1908	12
1909	25
1910	9
1911	44
1912	36
1913	21
1914	32
1915	36
1916	59
1917	41
1918	28
1919	34
1920	76
1921	102
1922	41
1923	66
1924	250
1925	222
1926	403
1927	214
1928	288
1929	139
1930	170
1931	181
1932	675
1933	435
1934	459
1935	632
1936	297
1937	430
1938	253
1939	332
1940	395
1941	384
1942	654
1943	334
1944	338
1945	390
1946	702
1947	419
1948	1,096
1949	470
1950	557
1951	917
1952	345
1953	1,189
1954	438
1955	365
1956	351
1957	392
1958	240
1959	496
1960	499
1961	501
1962	400
1963	672
1964	483
1965	1,095
1966	463
1967	511
1968	887
1969	691
1970	481
1971	514
1972	635
1973	679
1974	874
1975	517
1976	547
1977	770
1978	755
1979	581
1980	521
1981	869
1982	1,164
1983	883
1984	1,230
1985	551
1986	2,408
1987	659
1988	1,237
1989	728
1990	1,009
1991	806
1992	1,417
1993	1,306
1994	596
1995	1,090
1996	1,056
1997	957
1998	1,452
1999	756
2000	1,076
2001	743
2002	921
2003	964
2004	813
2005	993
2006	1,156
2007	959
2008	716
2009	1,110
2010	1,184
2011	1,252
2012	901
2013	739
2014	419
2015	798
2016	576
2017	1,162
2018	890
2019	789
2020	827
2021	567
2022	437
2023	677
2024	1,047
2025	664
2026	797

Download the Data

Data for records on 2009-08-29: 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).