Weather Records on 9 August 1918

210 weather records were set or tied worldwide on 9 August 1918. Highest significance: Tumut (Red Hill Station), AU.

Key Facts for 9 August 1918

On 9 August 1918, 210 weather records were set or tied at long-record stations worldwide.
16 were record highs and 7 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 208 daily.
Tumut (Red Hill Station) set a daily record precipitation of 48.5 mm (1.9 in) on 9 August 1918.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 476 records.

Record Map

210 stations

210 station records on 9 August 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tumut (Red Hill Station)	Australia	Record daily precipitation	48.5 mm (1.9 in)	50 of 100 (Notable)
Jonkoping	Sweden	Record daily precipitation	42.3 mm (1.7 in)	49 of 100 (Notable)
Bungendore (Douglas)	Australia	Record daily precipitation	34.8 mm (1.4 in)	46 of 100 (Notable)
Wangaratta	Australia	Record daily precipitation	33.5 mm (1.3 in)	46 of 100 (Notable)
Uman	Ukraine	Record daily precipitation	36.5 mm (1.4 in)	44 of 100 (Notable)
Walbundrie (Crediton Street)	Australia	Record daily precipitation	37.8 mm (1.5 in)	43 of 100 (Notable)
Tumbarumba Post Office	Australia	Record daily precipitation	38.6 mm (1.5 in)	38 of 100 (Notable)
Dookie Agricultural College	Australia	Record daily precipitation	33.5 mm (1.3 in)	38 of 100 (Notable)
Boxwood	Australia	Record daily precipitation	31.2 mm (1.2 in)	38 of 100 (Notable)
Beechworth Composite	Australia	Record daily precipitation	34.3 mm (1.4 in)	37 of 100 (Notable)
Guelph Oac	Canada	Record daily precipitation	49.5 mm (1.9 in)	36 of 100 (Notable)
Tumbarumba 1	Australia	Record daily precipitation	35.6 mm (1.4 in)	35 of 100 (Notable)
Metten	Germany	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Cavan	Australia	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Northfield	United States	Record daily precipitation	51.1 mm (2.0 in)	34 of 100 (Routine)
Belconnen (Weetangerra)	Australia	Record daily precipitation	26.9 mm (1.1 in)	32 of 100 (Routine)
Tallangatta (Bullioh)	Australia	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Sandvig	Denmark	Record daily precipitation	33.8 mm (1.3 in)	30 of 100 (Routine)
Fairlight Station	Australia	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Lakefield	Canada	Record high minimum temperature	27.8 C (82.0 F)	29 of 100 (Routine)
Euroa	Australia	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Bulgandra	Australia	Record daily precipitation	27.4 mm (1.1 in)	25 of 100 (Routine)
New Westminster	Canada	Record daily precipitation	32.5 mm (1.3 in)	25 of 100 (Routine)
Kiandra Chalet	Australia	Record daily precipitation	42.4 mm (1.7 in)	24 of 100 (Routine)
Holbrook (Rsl)	Australia	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Violet Town	Australia	Record daily precipitation	26.9 mm (1.1 in)	24 of 100 (Routine)
Goulburn River @ Shepparton	Australia	Record daily precipitation	35.1 mm (1.4 in)	22 of 100 (Routine)
Kergunyah South	Australia	Record daily precipitation	27.9 mm (1.1 in)	21 of 100 (Routine)
Wahgunyah	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Binya Post Office	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Leitchville Post Office	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Lake Rowan (Bungeet)	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Hamilton	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Yea	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Currandooley	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Queanbeyan 2	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Cudgewa North	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Conoble	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Bungendore (Gidleigh)	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Albury	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Young Post Office	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Yalgogrin South	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Swan Hill Post Office	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Mulwala Homestead	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Collendina	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Yarrawonga Post Office	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Chiltern (Post Office)	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Ringwood 2	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Obley	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Brundah	Australia	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Bygoo	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Barmah East	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Carcoar	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Wellwood	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Barellan Post Office	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Yamma	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Mallan (Niemur Valley)	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Echuca Aerodrome	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Barnawartha	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Rutherglen Netherby Wine	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

210 records

Records set or tied on 9 August 1918 by type: Highest daily maximum 5, Lowest daily maximum 3, Highest daily minimum 11, Lowest daily minimum 4, Heaviest daily rainfall 187.

Records on 9 August 1918 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	3
Highest daily minimum	11
Lowest daily minimum	4
Heaviest daily rainfall	187
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1918 by timescale: all-time 0, monthly 2, daily 208.

How Much Records Were Beaten By

189 broken records

Margins by which the 189 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 39.1. Ties are not counted.

Top 20 by Significance

9 August 1918

Top 20 records on 9 August 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1918	Tumut (Red Hill Station), AU	daily rain	48.5 mm (1.9 in)	39.1 mm (1.5 in)	25 years	50 of 100 (Notable)
9 August 1918	Jonkoping, SE	daily rain	42.3 mm (1.7 in)	18.2 mm (0.7 in)	45 years	49 of 100 (Notable)
9 August 1918	Bungendore (Douglas), AU	daily rain	34.8 mm (1.4 in)	25.4 mm (1.0 in)	32 years	46 of 100 (Notable)
9 August 1918	Wangaratta, AU	daily rain	33.5 mm (1.3 in)	22.8 mm (0.9 in)	28 years	46 of 100 (Notable)
9 August 1918	Uman, UA	daily rain	36.5 mm (1.4 in)	21.8 mm (0.9 in)	29 years	44 of 100 (Notable)
9 August 1918	Walbundrie (Crediton Street), AU	daily rain	37.8 mm (1.5 in)	20.5 mm (0.8 in)	32 years	43 of 100 (Notable)
9 August 1918	Tumbarumba Post Office, AU	daily rain	38.6 mm (1.5 in)	23.4 mm (0.9 in)	28 years	38 of 100 (Notable)
9 August 1918	Dookie Agricultural College, AU	daily rain	33.5 mm (1.3 in)	15.7 mm (0.6 in)	32 years	38 of 100 (Notable)
9 August 1918	Boxwood, AU	daily rain	31.2 mm (1.2 in)	21.0 mm (0.8 in)	27 years	38 of 100 (Notable)
9 August 1918	Beechworth Composite, AU	daily rain	34.3 mm (1.4 in)	19.1 mm (0.8 in)	25 years	37 of 100 (Notable)
9 August 1918	Guelph Oac, CA	daily rain	49.5 mm (1.9 in)	26.6 mm (1.0 in)	25 years	36 of 100 (Notable)
9 August 1918	Tumbarumba 1, AU	daily rain	35.6 mm (1.4 in)	21.6 mm (0.9 in)	18 years	35 of 100 (Notable)
9 August 1918	Metten, DE	daily rain	29.0 mm (1.1 in)	19.2 mm (0.8 in)	15 years	35 of 100 (Notable)
9 August 1918	Cavan, AU	daily rain	29.2 mm (1.1 in)	15.2 mm (0.6 in)	31 years	34 of 100 (Routine)
9 August 1918	Northfield, US	daily rain	51.1 mm (2.0 in)	25.7 mm (1.0 in)	20 years	34 of 100 (Routine)
9 August 1918	Belconnen (Weetangerra), AU	daily rain	26.9 mm (1.1 in)	18.5 mm (0.7 in)	4 years	32 of 100 (Routine)
9 August 1918	Tallangatta (Bullioh), AU	daily rain	28.4 mm (1.1 in)	17.2 mm (0.7 in)	18 years	32 of 100 (Routine)
9 August 1918	Sandvig, DK	daily rain	33.8 mm (1.3 in)	14.4 mm (0.6 in)	12 years	30 of 100 (Routine)
9 August 1918	Fairlight Station, AU	daily rain	29.2 mm (1.1 in)	20.3 mm (0.8 in)	4 years	29 of 100 (Routine)
9 August 1918	Lakefield, CA	daily high min	27.8 C (82.0 F)	6.7 C (12.1 F)	21 years	29 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 1918

Records set or tied on this calendar date in each year from 1798 to 1918. 1918 had 210 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 1918-08-09: 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	105
5 to 10	48
10 to 15	15
15 to 20	8
20 to 25	9
25 to 30	3
30 to 35	0
35 to 40	1