Weather Records on 9 August 1909

51 weather records were set or tied worldwide on 9 August 1909. Highest significance: Ararat Post Office, AU.

Key Facts for 9 August 1909

On 9 August 1909, 51 weather records were set or tied at long-record stations worldwide.
11 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 50 daily.
Ararat Post Office set a daily record precipitation of 26.7 mm (1.1 in) on 9 August 1909.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 477 records.

Record Map

51 stations

51 station records on 9 August 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1909: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ararat Post Office	Australia	Record daily precipitation	26.7 mm (1.1 in)	50 of 100 (Notable)
Bendigo Prison	Australia	Record daily precipitation	25.9 mm (1.0 in)	49 of 100 (Notable)
Castlemaine	Australia	Record daily precipitation	25.7 mm (1.0 in)	44 of 100 (Notable)
Truro	Canada	Record daily precipitation	44.5 mm (1.8 in)	39 of 100 (Notable)
Smeaton Weir	Australia	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Maldon (Derby Hill)	Australia	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
Newlyn Reservoir	Australia	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Maryborough	Australia	Record daily precipitation	25.9 mm (1.0 in)	32 of 100 (Routine)
Daylesford	Australia	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Lichtentanne	Germany	Record daily precipitation	36.5 mm (1.4 in)	26 of 100 (Routine)
Stawell	Australia	Record daily precipitation	32.0 mm (1.3 in)	23 of 100 (Routine)
Blackwood	Australia	Record daily precipitation	27.7 mm (1.1 in)	21 of 100 (Routine)
Quebec	Canada	Record daily precipitation	40.9 mm (1.6 in)	21 of 100 (Routine)
Warracknabeal Post Office	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Adelaide West Terrace	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Kyneton Post Office	Australia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Dimboola	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Jena Sternwarte	Germany	Record high maximum temperature	32.0 C (89.6 F)	20 of 100 (Routine)
Adelaide (Thorndon Park)	Australia	Record daily precipitation	18.5 mm (0.7 in)	19 of 100 (Routine)
Poplitah	Australia	Record daily precipitation	6.4 mm (0.25 in)	19 of 100 (Routine)
Wentworth Post Office	Australia	Record daily precipitation	10.2 mm (0.4 in)	17 of 100 (Routine)
Willowmore	South Africa	Record daily precipitation	3.6 mm (0.14 in)	17 of 100 (Routine)
Wentworth (Avoca)	Australia	Record daily precipitation	10.7 mm (0.4 in)	15 of 100 (Routine)
Teryawynia	Australia	Record daily precipitation	2.8 mm (0.11 in)	15 of 100 (Routine)
Charlton	Australia	Record daily precipitation	11.9 mm (0.5 in)	15 of 100 (Routine)
Walgett Council Depot	Australia	Record daily precipitation	3.6 mm (0.14 in)	15 of 100 (Routine)
Forbes (Camp Street)	Australia	Record high minimum temperature	9.7 C (49.5 F)	13 of 100 (Routine)
Santa Fe	United States	Record low maximum temperature	23.3 C (73.9 F)	13 of 100 (Routine)
Madison Wb City	United States	Record daily precipitation	19.8 mm (0.8 in)	13 of 100 (Routine)
Bourke Post Office	Australia	Record daily precipitation	6.4 mm (0.25 in)	11 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	20.6 C (69.1 F)	11 of 100 (Routine)
Winbar	Australia	Record daily precipitation	2.5 mm (0.10 in)	10 of 100 (Routine)
Inverell Comparison	Australia	Record high minimum temperature	6.7 C (44.1 F)	10 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	6.4 mm (0.25 in)	10 of 100 (Routine)
Melbourne Regional Office	Australia	Record high minimum temperature	10.5 C (50.9 F)	10 of 100 (Routine)
Karlsruhe	Germany	Record daily precipitation	15.3 mm (0.6 in)	10 of 100 (Routine)
Portland	United States	Record high minimum temperature	22.2 C (72.0 F)	10 of 100 (Routine)
White Cliffs (Tongo)	Australia	Record daily precipitation	2.5 mm (0.10 in)	9 of 100 (Routine)
Pooncarie (Tarcoola)	Australia	Record daily precipitation	4.6 mm (0.18 in)	9 of 100 (Routine)
Goorianawah	Australia	Record daily precipitation	4.1 mm (0.16 in)	9 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	36.7 C (98.1 F)	9 of 100 (Routine)
Euston Post Office	Australia	Record daily precipitation	8.9 mm (0.35 in)	8 of 100 (Routine)
Calga	Australia	Record daily precipitation	3.6 mm (0.14 in)	8 of 100 (Routine)
Momba	Australia	Record daily precipitation	2.3 mm (0.09 in)	5 of 100 (Routine)
Regensburg	Germany	Record high maximum temperature	30.1 C (86.2 F)	4 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	27.2 C (81.0 F)	2 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	18.9 C (66.0 F)	2 of 100 (Routine)
Sacramento 5 ESE	United States	Record low minimum temperature	11.1 C (52.0 F)	2 of 100 (Routine)
Lakefield	Canada	Record high minimum temperature	21.1 C (70.0 F)	1 of 100 (Routine)
Chatham	Canada	Record low maximum temperature	18.3 C (64.9 F)	1 of 100 (Routine)

Counts by Type and Timescale

51 records

Records set or tied on 9 August 1909 by type: Highest daily maximum 4, Lowest daily maximum 2, Highest daily minimum 7, Lowest daily minimum 1, Heaviest daily rainfall 37.

Records on 9 August 1909 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	2
Highest daily minimum	7
Lowest daily minimum	1
Heaviest daily rainfall	37
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1909 by timescale: all-time 0, monthly 1, daily 50.

How Much Records Were Beaten By

46 broken records

Margins by which the 46 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 31.3. Ties are not counted.

Top 20 by Significance

9 August 1909

Top 20 records on 9 August 1909 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1909	Ararat Post Office, AU	daily rain	26.7 mm (1.1 in)	17.6 mm (0.7 in)	33 years	50 of 100 (Notable)
9 August 1909	Bendigo Prison, AU	daily rain	25.9 mm (1.0 in)	17.5 mm (0.7 in)	41 years	49 of 100 (Notable)
9 August 1909	Castlemaine, AU	daily rain	25.7 mm (1.0 in)	18.8 mm (0.7 in)	18 years	44 of 100 (Notable)
9 August 1909	Truro, CA	daily rain	44.5 mm (1.8 in)	31.3 mm (1.2 in)	27 years	39 of 100 (Notable)
9 August 1909	Smeaton Weir, AU	daily rain	25.4 mm (1.0 in)	14.0 mm (0.6 in)	18 years	37 of 100 (Notable)
9 August 1909	Maldon (Derby Hill), AU	daily rain	26.9 mm (1.1 in)	16.2 mm (0.6 in)	23 years	37 of 100 (Notable)
9 August 1909	Newlyn Reservoir, AU	daily rain	27.9 mm (1.1 in)	16.7 mm (0.7 in)	18 years	34 of 100 (Routine)
9 August 1909	Maryborough, AU	daily rain	25.9 mm (1.0 in)	11.9 mm (0.5 in)	18 years	32 of 100 (Routine)
9 August 1909	Daylesford, AU	daily rain	27.9 mm (1.1 in)	17.5 mm (0.7 in)	2 years	28 of 100 (Routine)
9 August 1909	Lichtentanne, DE	daily rain	36.5 mm (1.4 in)	17.0 mm (0.7 in)	10 years	26 of 100 (Routine)
9 August 1909	Stawell, AU	monthly rain	32.0 mm (1.3 in)	1.0 mm (0.04 in)	25 years	23 of 100 (Routine)
9 August 1909	Blackwood, AU	daily rain	27.7 mm (1.1 in)	10.2 mm (0.4 in)	24 years	21 of 100 (Routine)
9 August 1909	Quebec, CA	daily rain	40.9 mm (1.6 in)	9.1 mm (0.36 in)	28 years	21 of 100 (Routine)
9 August 1909	Warracknabeal Post Office, AU	daily rain	21.6 mm (0.9 in)	15.2 mm (0.6 in)	24 years	20 of 100 (Routine)
9 August 1909	Adelaide West Terrace, AU	daily rain	15.2 mm (0.6 in)	4.5 mm (0.18 in)	61 years	20 of 100 (Routine)
9 August 1909	Leipzig-Holzhausen, DE	daily rain	20.8 mm (0.8 in)	9.2 mm (0.36 in)	39 years	20 of 100 (Routine)
9 August 1909	Kyneton Post Office, AU	daily rain	23.9 mm (0.9 in)	13.7 mm (0.5 in)	22 years	20 of 100 (Routine)
9 August 1909	Dimboola, AU	daily rain	18.0 mm (0.7 in)	10.6 mm (0.4 in)	3 years	20 of 100 (Routine)
9 August 1909	Jena Sternwarte, DE	daily high max	32.0 C (89.6 F)	1.8 C (3.2 F)	27 years	20 of 100 (Routine)
9 August 1909	Adelaide (Thorndon Park), AU	daily rain	18.5 mm (0.7 in)	4.5 mm (0.18 in)	28 years	19 of 100 (Routine)

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

1798 to 1909

Records set or tied on this calendar date in each year from 1798 to 1909. 1909 had 51 records.

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

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1909-08-09: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	28
5 to 10	4
10 to 15	5
15 to 20	8
20 to 25	0
25 to 30	0
30 to 35	1