Weather Records on 9 August 1924

143 weather records were set or tied worldwide on 9 August 1924. Highest significance: Ottawa 4SW, US.

Key Facts for 9 August 1924

On 9 August 1924, 143 weather records were set or tied at long-record stations worldwide.
42 were record highs and 57 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 1 monthly and 140 daily.
Ottawa 4SW set an all-time record daily precipitation of 167.9 mm (6.6 in) on 9 August 1924.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 476 records.

Record Map

143 stations

143 station records on 9 August 1924 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1924: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ottawa 4SW	United States	Record daily precipitation	167.9 mm (6.6 in)	71 of 100 (Major)
Hermann	United States	Record daily precipitation	55.9 mm (2.2 in)	42 of 100 (Notable)
Uccle	Belgium	Record low minimum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Delphi 2 N	United States	Record daily precipitation	68.6 mm (2.7 in)	37 of 100 (Notable)
Enisejsk	Russia	Record daily precipitation	34.9 mm (1.4 in)	33 of 100 (Routine)
Las Animas	United States	Record low minimum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Wien	Austria	Record low maximum temperature	18.0 C (64.4 F)	24 of 100 (Routine)
Halmstad	Sweden	Record low minimum temperature	4.0 C (39.2 F)	24 of 100 (Routine)
Keokuk L&D 19	United States	Record daily precipitation	32.0 mm (1.3 in)	23 of 100 (Routine)
Jacksonville Wb City	United States	Record low minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Norwalk	United States	Record daily precipitation	35.1 mm (1.4 in)	21 of 100 (Routine)
Galva	United States	Record daily precipitation	60.5 mm (2.4 in)	21 of 100 (Routine)
Huntington	United States	Record daily precipitation	29.0 mm (1.1 in)	21 of 100 (Routine)
Doberlug-Kirchhain	Germany	Record daily precipitation	12.6 mm (0.5 in)	20 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Walgett Council Depot	Australia	Record high maximum temperature	26.1 C (79.0 F)	20 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	24.9 mm (1.0 in)	19 of 100 (Routine)
Ottawa Cda	Canada	Record daily precipitation	25.4 mm (1.0 in)	19 of 100 (Routine)
Weissenburg	Germany	Record low maximum temperature	15.8 C (60.4 F)	19 of 100 (Routine)
Ashland #2	United States	Record low maximum temperature	18.9 C (66.0 F)	19 of 100 (Routine)
Winnemucca AP	United States	Record low minimum temperature	6.1 C (43.0 F)	19 of 100 (Routine)
Bloomington Normal	United States	Record daily precipitation	44.2 mm (1.7 in)	18 of 100 (Routine)
Le Claire	United States	Record daily precipitation	27.9 mm (1.1 in)	17 of 100 (Routine)
Olathe 3E	United States	Record low maximum temperature	22.8 C (73.0 F)	17 of 100 (Routine)
Alexandria	United States	Record high minimum temperature	24.4 C (75.9 F)	17 of 100 (Routine)
Jefferson City Wtp	United States	Record daily precipitation	27.9 mm (1.1 in)	17 of 100 (Routine)
Somerville 4 NW	United States	Record daily precipitation	20.1 mm (0.8 in)	17 of 100 (Routine)
Setauket Strong	United States	Record high maximum temperature	34.4 C (93.9 F)	17 of 100 (Routine)
Port Augusta (Nectar Brook)	Australia	Record daily precipitation	10.7 mm (0.4 in)	16 of 100 (Routine)
Minnedosa	Canada	Record low maximum temperature	15.0 C (59.0 F)	16 of 100 (Routine)
Cottbus	Germany	Record low maximum temperature	17.3 C (63.1 F)	16 of 100 (Routine)
Shenkursk	Russia	Record daily precipitation	19.7 mm (0.8 in)	16 of 100 (Routine)
Manitowoc	United States	Record daily precipitation	33.0 mm (1.3 in)	16 of 100 (Routine)
Mount Wedge	Australia	Record daily precipitation	7.4 mm (0.29 in)	15 of 100 (Routine)
Jamestown State Hosp	United States	Record low minimum temperature	2.2 C (36.0 F)	15 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record low maximum temperature	21.1 C (70.0 F)	15 of 100 (Routine)
Port Germein	Australia	Record daily precipitation	6.4 mm (0.25 in)	14 of 100 (Routine)
Salekhard	Russia	Record daily precipitation	7.7 mm (0.30 in)	14 of 100 (Routine)
Bartow 1SE	United States	Record high maximum temperature	36.7 C (98.1 F)	14 of 100 (Routine)
Rockville	United States	Record daily precipitation	38.4 mm (1.5 in)	14 of 100 (Routine)
Canton 4N	United States	Record high maximum temperature	38.9 C (102.0 F)	14 of 100 (Routine)
Dilkara (Florieton)	Australia	Record daily precipitation	5.1 mm (0.20 in)	13 of 100 (Routine)
Cet Central England	United Kingdom	Record low minimum temperature	6.9 C (44.4 F)	13 of 100 (Routine)
Kissimmee	United States	Record high minimum temperature	24.4 C (75.9 F)	13 of 100 (Routine)
Rome	United States	Record high minimum temperature	22.8 C (73.0 F)	13 of 100 (Routine)
Palestine	United States	Record daily precipitation	27.4 mm (1.1 in)	13 of 100 (Routine)
Logan 1 WNW	United States	Record daily precipitation	33.0 mm (1.3 in)	13 of 100 (Routine)
Atchison	United States	Record low maximum temperature	23.9 C (75.0 F)	13 of 100 (Routine)
Calumet	United States	Record low minimum temperature	7.8 C (46.0 F)	13 of 100 (Routine)
Bird Island	United States	Record low minimum temperature	8.3 C (46.9 F)	13 of 100 (Routine)
Alexandria	United States	Record low minimum temperature	2.2 C (36.0 F)	13 of 100 (Routine)
Ellensburg	United States	Record high maximum temperature	37.2 C (99.0 F)	13 of 100 (Routine)
Potsdam	Germany	Record low maximum temperature	16.5 C (61.7 F)	12 of 100 (Routine)
Nurnberg	Germany	Record low maximum temperature	16.2 C (61.2 F)	12 of 100 (Routine)
Ukiah	United States	Record low minimum temperature	4.4 C (39.9 F)	12 of 100 (Routine)
Carlinville	United States	Record daily precipitation	8.9 mm (0.35 in)	12 of 100 (Routine)
Steffenville	United States	Record daily precipitation	22.9 mm (0.9 in)	12 of 100 (Routine)
Manitowoc	United States	Record low maximum temperature	15.6 C (60.1 F)	12 of 100 (Routine)
Boston City WSO	United States	Record high maximum temperature	33.9 C (93.0 F)	12 of 100 (Routine)

Counts by Type and Timescale

143 records

Records set or tied on 9 August 1924 by type: Highest daily maximum 32, Lowest daily maximum 32, Highest daily minimum 10, Lowest daily minimum 25, Heaviest daily rainfall 44.

Records on 9 August 1924 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	32
Highest daily minimum	10
Lowest daily minimum	25
Heaviest daily rainfall	44
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1924 by timescale: all-time 2, monthly 1, daily 140.

How Much Records Were Beaten By

110 broken records

Margins by which the 110 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 83.3. Ties are not counted.

Top 20 by Significance

9 August 1924

Top 20 records on 9 August 1924 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1924	Ottawa 4SW, US	all-time rain	167.9 mm (6.6 in)	83.3 mm (3.3 in)	28 years	71 of 100 (Major)
9 August 1924	Hermann, US	daily rain	55.9 mm (2.2 in)	40.2 mm (1.6 in)	17 years	42 of 100 (Notable)
9 August 1924	Uccle, BE	daily low min	6.1 C (43.0 F)	1.4 C (2.5 F)	90 years	41 of 100 (Notable)
9 August 1924	Delphi 2 N, US	monthly rain	68.6 mm (2.7 in)	19.6 mm (0.8 in)	23 years	37 of 100 (Notable)
9 August 1924	Enisejsk, RU	daily rain	34.9 mm (1.4 in)	10.6 mm (0.4 in)	39 years	33 of 100 (Routine)
9 August 1924	Las Animas, US	daily low min	4.4 C (39.9 F)	5.6 C (10.1 F)	25 years	29 of 100 (Routine)
9 August 1924	Olympia Priest Pt Park, US	all-time high min	19.4 C (66.9 F)	1.1 C (2.0 F)	0 years	28 of 100 (Routine)
9 August 1924	Wien, AT	daily low max	18.0 C (64.4 F)	1.2 C (2.2 F)	51 years	24 of 100 (Routine)
9 August 1924	Halmstad, SE	daily low min	4.0 C (39.2 F)	3.5 C (6.3 F)	24 years	24 of 100 (Routine)
9 August 1924	Keokuk L&D 19, US	daily rain	32.0 mm (1.3 in)	20.3 mm (0.8 in)	18 years	23 of 100 (Routine)
9 August 1924	Jacksonville Wb City, US	daily low min	20.0 C (68.0 F)	1.1 C (2.0 F)	33 years	22 of 100 (Routine)
9 August 1924	Norwalk, US	daily rain	35.1 mm (1.4 in)	30.0 mm (1.2 in)	19 years	21 of 100 (Routine)
9 August 1924	Galva, US	daily rain	60.5 mm (2.4 in)	24.7 mm (1.0 in)	4 years	21 of 100 (Routine)
9 August 1924	Huntington, US	daily rain	29.0 mm (1.1 in)	17.6 mm (0.7 in)	18 years	21 of 100 (Routine)
9 August 1924	Doberlug-Kirchhain, DE	daily rain	12.6 mm (0.5 in)	6.6 mm (0.26 in)	21 years	20 of 100 (Routine)
9 August 1924	Troicko-Pecherskoe, RU	daily rain	19.6 mm (0.8 in)	7.4 mm (0.29 in)	29 years	20 of 100 (Routine)
9 August 1924	Walgett Council Depot, AU	daily high max	26.1 C (79.0 F)	1.7 C (3.1 F)	40 years	20 of 100 (Routine)
9 August 1924	Ottawa, CA	daily rain	24.9 mm (1.0 in)	11.2 mm (0.4 in)	7 years	19 of 100 (Routine)
9 August 1924	Ottawa Cda, CA	daily rain	25.4 mm (1.0 in)	13.7 mm (0.5 in)	7 years	19 of 100 (Routine)
9 August 1924	Weissenburg, DE	daily low max	15.8 C (60.4 F)	0.9 C (1.6 F)	43 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 1924

Records set or tied on this calendar date in each year from 1798 to 1924. 1924 had 143 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 1924-08-09: 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 20	105
20 to 40	3
40 to 60	1
60 to 80	0
80 to 100	1