Weather Records on 17 August 1947

682 weather records were set or tied worldwide on 17 August 1947. Highest significance: Tibooburra (Onepah), AU.

Key Facts for 17 August 1947

On 17 August 1947, 682 weather records were set or tied at long-record stations worldwide.
339 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 44 monthly and 636 daily.
Tibooburra (Onepah) set a monthly record daily precipitation of 37.1 mm (1.5 in) on 17 August 1947.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 472 records.

Record Map

682 stations

682 station records on 17 August 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tibooburra (Onepah)	Australia	Record daily precipitation	37.1 mm (1.5 in)	63 of 100 (Major)
Westland	Australia	Record daily precipitation	61.0 mm (2.4 in)	62 of 100 (Major)
Selwyn Wrc	Australia	Record daily precipitation	71.1 mm (2.8 in)	59 of 100 (Notable)
Warenda	Australia	Record daily precipitation	51.3 mm (2.0 in)	59 of 100 (Notable)
Brighton Downs	Australia	Record daily precipitation	49.5 mm (1.9 in)	56 of 100 (Notable)
Mudhol	India	Record daily precipitation	98.6 mm (3.9 in)	56 of 100 (Notable)
Evesham Station	Australia	Record daily precipitation	57.2 mm (2.3 in)	55 of 100 (Notable)
Phaltan	India	Record daily precipitation	77.0 mm (3.0 in)	55 of 100 (Notable)
Portland Downs	Australia	Record daily precipitation	44.2 mm (1.7 in)	54 of 100 (Notable)
Sidney 2 N	United States	Record daily precipitation	83.8 mm (3.3 in)	54 of 100 (Notable)
Sultan Bazar	India	Record daily precipitation	105.2 mm (4.1 in)	53 of 100 (Notable)
Morstone Station	Australia	Record daily precipitation	30.5 mm (1.2 in)	52 of 100 (Notable)
Allepey Pwd	India	Record daily precipitation	105.4 mm (4.1 in)	52 of 100 (Notable)
Cordillo Downs	Australia	Record daily precipitation	26.9 mm (1.1 in)	50 of 100 (Notable)
Mount Alfred	Australia	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Koregaon	India	Record daily precipitation	64.8 mm (2.6 in)	49 of 100 (Notable)
Barkly Downs	Australia	Record daily precipitation	32.8 mm (1.3 in)	48 of 100 (Notable)
Rayachoti	India	Record daily precipitation	67.3 mm (2.6 in)	48 of 100 (Notable)
Dhond	India	Record daily precipitation	37.3 mm (1.5 in)	48 of 100 (Notable)
Hermannsburg	Australia	Record daily precipitation	28.2 mm (1.1 in)	47 of 100 (Notable)
Bantwal	India	Record daily precipitation	269.2 mm (10.6 in)	47 of 100 (Notable)
Karikode	India	Record daily precipitation	142.2 mm (5.6 in)	47 of 100 (Notable)
P.P. Channel	India	Record daily precipitation	66.0 mm (2.6 in)	47 of 100 (Notable)
Boulia Airport	Australia	Record daily precipitation	44.7 mm (1.8 in)	46 of 100 (Notable)
Roseberth Station	Australia	Record daily precipitation	47.0 mm (1.9 in)	46 of 100 (Notable)
Alice Springs Post Office	Australia	Record daily precipitation	32.8 mm (1.3 in)	45 of 100 (Notable)
Oban Station	Australia	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Maple Plain	United States	Record daily precipitation	60.5 mm (2.4 in)	45 of 100 (Notable)
Karjat	India	Record daily precipitation	61.7 mm (2.4 in)	44 of 100 (Notable)
Tanbar Station	Australia	Record daily precipitation	36.1 mm (1.4 in)	43 of 100 (Notable)
Kurundwad	India	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Kumta	India	Record daily precipitation	141.2 mm (5.6 in)	42 of 100 (Notable)
Marion Downs	Australia	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Rahuri	India	Record daily precipitation	64.5 mm (2.5 in)	41 of 100 (Notable)
Cloquet	United States	Record daily precipitation	39.4 mm (1.6 in)	41 of 100 (Notable)
Saltern Post Office	Australia	Record daily precipitation	49.5 mm (1.9 in)	40 of 100 (Notable)
Headingly Station	Australia	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Manuka	Australia	Record daily precipitation	63.5 mm (2.5 in)	40 of 100 (Notable)
Nordby (Fano)	Denmark	Record high maximum temperature	31.0 C (87.8 F)	40 of 100 (Notable)
Lake Nash	Australia	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Mulki	India	Record daily precipitation	149.9 mm (5.9 in)	38 of 100 (Notable)
Vineland	United States	Record daily precipitation	53.6 mm (2.1 in)	38 of 100 (Notable)
Arukutty	India	Record daily precipitation	120.4 mm (4.7 in)	37 of 100 (Notable)
Aryankavu	India	Record daily precipitation	91.4 mm (3.6 in)	37 of 100 (Notable)
Karlshamn	Sweden	Record high maximum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
Park Rapids Muni AP	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Austral Downs	Australia	Record daily precipitation	37.1 mm (1.5 in)	35 of 100 (Notable)
Powell Creek	Australia	Record daily precipitation	30.7 mm (1.2 in)	35 of 100 (Notable)
Urandangi	Australia	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Kottayam P.W.D	India	Record daily precipitation	97.8 mm (3.9 in)	35 of 100 (Notable)
Changenachery	India	Record daily precipitation	97.8 mm (3.9 in)	35 of 100 (Notable)
Pala	India	Record daily precipitation	167.6 mm (6.6 in)	35 of 100 (Notable)
Chhuikhadan	India	Record daily precipitation	58.2 mm (2.3 in)	35 of 100 (Notable)
Champawat	India	Record daily precipitation	95.8 mm (3.8 in)	35 of 100 (Notable)
Mukteshwar Kumaon	India	Record daily precipitation	99.8 mm (3.9 in)	35 of 100 (Notable)
Hightstown 2 W	United States	Record daily precipitation	53.6 mm (2.1 in)	35 of 100 (Notable)
Innamincka Station	Australia	Record daily precipitation	33.5 mm (1.3 in)	34 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	30.0 C (86.0 F)	34 of 100 (Routine)
Orebro	Sweden	Record high maximum temperature	28.5 C (83.3 F)	34 of 100 (Routine)
Cedaredge	United States	Record low maximum temperature	22.2 C (72.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

682 records

Records set or tied on 17 August 1947 by type: Highest daily maximum 167, Lowest daily maximum 46, Highest daily minimum 172, Lowest daily minimum 24, Heaviest daily rainfall 273.

Records on 17 August 1947 by type
Record type	Records
Highest daily maximum	167
Lowest daily maximum	46
Highest daily minimum	172
Lowest daily minimum	24
Heaviest daily rainfall	273
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1947 by timescale: all-time 2, monthly 44, daily 636.

How Much Records Were Beaten By

541 broken records

Margins by which the 541 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 175.2. Ties are not counted.

Top 20 by Significance

17 August 1947

Top 20 records on 17 August 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1947	Tibooburra (Onepah), AU	monthly rain	37.1 mm (1.5 in)	24.4 mm (1.0 in)	26 years	63 of 100 (Major)
17 August 1947	Westland, AU	monthly rain	61.0 mm (2.4 in)	29.5 mm (1.2 in)	22 years	62 of 100 (Major)
17 August 1947	Selwyn Wrc, AU	monthly rain	71.1 mm (2.8 in)	59.7 mm (2.4 in)	22 years	59 of 100 (Notable)
17 August 1947	Warenda, AU	monthly rain	51.3 mm (2.0 in)	31.7 mm (1.2 in)	45 years	59 of 100 (Notable)
17 August 1947	Brighton Downs, AU	monthly rain	49.5 mm (1.9 in)	39.6 mm (1.6 in)	9 years	56 of 100 (Notable)
17 August 1947	Mudhol, IN	daily rain	98.6 mm (3.9 in)	59.7 mm (2.4 in)	41 years	56 of 100 (Notable)
17 August 1947	Evesham Station, AU	monthly rain	57.2 mm (2.3 in)	37.4 mm (1.5 in)	8 years	55 of 100 (Notable)
17 August 1947	Phaltan, IN	daily rain	77.0 mm (3.0 in)	50.6 mm (2.0 in)	40 years	55 of 100 (Notable)
17 August 1947	Portland Downs, AU	daily rain	44.2 mm (1.7 in)	43.4 mm (1.7 in)	26 years	54 of 100 (Notable)
17 August 1947	Sidney 2 N, US	daily rain	83.8 mm (3.3 in)	67.5 mm (2.7 in)	32 years	54 of 100 (Notable)
17 August 1947	Sultan Bazar, IN	daily rain	105.2 mm (4.1 in)	72.4 mm (2.9 in)	32 years	53 of 100 (Notable)
17 August 1947	Morstone Station, AU	daily rain	30.5 mm (1.2 in)	30.5 mm (1.2 in)	56 years	52 of 100 (Notable)
17 August 1947	Allepey Pwd, IN	daily rain	105.4 mm (4.1 in)	82.5 mm (3.2 in)	30 years	52 of 100 (Notable)
17 August 1947	Cordillo Downs, AU	daily rain	26.9 mm (1.1 in)	26.9 mm (1.1 in)	62 years	50 of 100 (Notable)
17 August 1947	Mount Alfred, AU	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	51 years	49 of 100 (Notable)
17 August 1947	Koregaon, IN	daily rain	64.8 mm (2.6 in)	43.2 mm (1.7 in)	20 years	49 of 100 (Notable)
17 August 1947	Barkly Downs, AU	monthly rain	32.8 mm (1.3 in)	23.1 mm (0.9 in)	37 years	48 of 100 (Notable)
17 August 1947	Rayachoti, IN	daily rain	67.3 mm (2.6 in)	40.6 mm (1.6 in)	41 years	48 of 100 (Notable)
17 August 1947	Dhond, IN	daily rain	37.3 mm (1.5 in)	34.8 mm (1.4 in)	45 years	48 of 100 (Notable)
17 August 1947	Hermannsburg, AU	daily rain	28.2 mm (1.1 in)	24.1 mm (0.9 in)	4 years	47 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

1797 to 1947

Records set or tied on this calendar date in each year from 1797 to 1947. 1947 had 682 records.

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

Records on 08-17 in each year
Year	Records
1797	2
1802	2
1820	2
1837	1
1838	2
1841	2
1842	1
1845	2
1853	1
1854	1
1856	1
1857	1
1861	3
1862	1
1867	1
1868	3
1869	1
1872	1
1875	2
1876	5
1879	1
1881	1
1882	1
1883	2
1885	3
1886	1
1888	5
1891	1
1892	3
1893	2
1894	3
1895	2
1896	3
1897	1
1898	5
1899	8
1900	3
1901	14
1902	7
1903	6
1904	2
1905	11
1906	28
1907	9
1908	26
1909	24
1910	17
1911	18
1912	31
1913	79
1914	41
1915	28
1916	33
1917	35
1918	112
1919	37
1920	110
1921	37
1922	169
1923	161
1924	171
1925	130
1926	182
1927	228
1928	131
1929	243
1930	138
1931	302
1932	360
1933	260
1934	377
1935	437
1936	670
1937	726
1938	466
1939	364
1940	341
1941	378
1942	461
1943	743
1944	531
1945	387
1946	433
1947	682
1948	475
1949	371
1950	522
1951	413
1952	470
1953	345
1954	685
1955	465
1956	407
1957	504
1958	519
1959	543
1960	533
1961	998
1962	445
1963	650
1964	410
1965	641
1966	496
1967	679
1968	953
1969	593
1970	467
1971	447
1972	1,044
1973	750
1974	582
1975	612
1976	797
1977	1,216
1978	814
1979	1,464
1980	895
1981	1,112
1982	554
1983	1,574
1984	726
1985	948
1986	916
1987	1,150
1988	1,608
1989	687
1990	949
1991	560
1992	1,813
1993	803
1994	1,038
1995	1,724
1996	752
1997	1,544
1998	1,003
1999	697
2000	994
2001	1,101
2002	1,266
2003	948
2004	1,046
2005	722
2006	814
2007	1,646
2008	1,301
2009	922
2010	1,105
2011	956
2012	1,215
2013	802
2014	997
2015	890
2016	748
2017	544
2018	518
2019	467
2020	1,529
2021	800
2022	1,428
2023	1,032
2024	740
2025	538
2026	535

Download the Data

Data for records on 1947-08-17: 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 25	475
25 to 50	50
50 to 75	11
75 to 100	4
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1