Weather Records on 17 August 1948

475 weather records were set or tied worldwide on 17 August 1948. Highest significance: Dahej, IN.

Key Facts for 17 August 1948

On 17 August 1948, 475 weather records were set or tied at long-record stations worldwide.
62 were record highs and 113 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 473 daily.
Dahej set a daily record precipitation of 184.2 mm (7.3 in) on 17 August 1948.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 474 records.

Record Map

475 stations

475 station records on 17 August 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dahej	India	Record daily precipitation	184.2 mm (7.3 in)	56 of 100 (Notable)
Sinnar	India	Record daily precipitation	51.3 mm (2.0 in)	56 of 100 (Notable)
Blagovescensk	Russia	Record daily precipitation	79.0 mm (3.1 in)	50 of 100 (Notable)
Trimbak	India	Record daily precipitation	237.5 mm (9.4 in)	46 of 100 (Notable)
Soltau	Germany	Record daily precipitation	32.8 mm (1.3 in)	45 of 100 (Notable)
Borsad	India	Record daily precipitation	152.4 mm (6.0 in)	44 of 100 (Notable)
Tallinn	Estonia	Record daily precipitation	29.1 mm (1.1 in)	43 of 100 (Notable)
Lubeck-Werft	Germany	Record daily precipitation	38.2 mm (1.5 in)	43 of 100 (Notable)
Jaura	India	Record daily precipitation	121.9 mm (4.8 in)	43 of 100 (Notable)
Bunbury Post Office	Australia	Record daily precipitation	47.5 mm (1.9 in)	42 of 100 (Notable)
Orillia	Canada	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Hamburg Bergedorf	Germany	Record daily precipitation	35.9 mm (1.4 in)	42 of 100 (Notable)
Churu	India	Record daily precipitation	88.9 mm (3.5 in)	40 of 100 (Notable)
Brandywine	United States	Record daily precipitation	47.0 mm (1.9 in)	38 of 100 (Notable)
Stromsfoss Sluse	Norway	Record daily precipitation	34.6 mm (1.4 in)	35 of 100 (Notable)
Port Orford 2	United States	Record daily precipitation	42.2 mm (1.7 in)	35 of 100 (Notable)
Boyanup	Australia	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Valod	India	Record daily precipitation	133.4 mm (5.3 in)	34 of 100 (Routine)
Centralia	United States	Record daily precipitation	26.4 mm (1.0 in)	34 of 100 (Routine)
Uran	India	Record daily precipitation	105.7 mm (4.2 in)	33 of 100 (Routine)
Matheran	India	Record daily precipitation	334.3 mm (13.2 in)	33 of 100 (Routine)
Lenoir	United States	Record daily precipitation	90.2 mm (3.6 in)	33 of 100 (Routine)
Brookings	United States	Record daily precipitation	26.2 mm (1.0 in)	33 of 100 (Routine)
Dale Enterprise	United States	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
Wonnaminta	Australia	Record daily precipitation	25.1 mm (1.0 in)	32 of 100 (Routine)
Bombay (Colaba) Obsy Sr	India	Record daily precipitation	82.8 mm (3.3 in)	32 of 100 (Routine)
Wandering Comparison	Australia	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Fort Simpson	Canada	Record daily precipitation	29.5 mm (1.2 in)	31 of 100 (Routine)
Chamingup	Australia	Record daily precipitation	30.0 mm (1.2 in)	30 of 100 (Routine)
Cordova 2 ENE	United States	Record daily precipitation	48.8 mm (1.9 in)	30 of 100 (Routine)
Kosciusko	United States	Record low maximum temperature	27.2 C (81.0 F)	30 of 100 (Routine)
Ellendale	United States	Record high minimum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Arnsberg	Germany	Record daily precipitation	26.9 mm (1.1 in)	29 of 100 (Routine)
Kalyan	India	Record daily precipitation	124.5 mm (4.9 in)	29 of 100 (Routine)
Wheaton	United States	Record daily precipitation	38.1 mm (1.5 in)	29 of 100 (Routine)
Franklin Sewage Plt	United States	Record low minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Kenilworth Tu	Australia	Record daily precipitation	25.1 mm (1.0 in)	28 of 100 (Routine)
Mount Best (Upper Toora)	Australia	Record daily precipitation	30.7 mm (1.2 in)	28 of 100 (Routine)
Hawkinsville	United States	Record low maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Columbus 4 ESE	United States	Record low maximum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Beaufort Wwtp	United States	Record low maximum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Sherman	United States	Record low minimum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Belvoir	Australia	Record daily precipitation	30.0 mm (1.2 in)	27 of 100 (Routine)
Bannister	Australia	Record daily precipitation	33.5 mm (1.3 in)	27 of 100 (Routine)
Harvey Post Office	Australia	Record daily precipitation	36.3 mm (1.4 in)	27 of 100 (Routine)
Talbot House	Australia	Record daily precipitation	25.7 mm (1.0 in)	27 of 100 (Routine)
West Swan	Australia	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Guayama 1SW	Puerto Rico [United States]	Record low minimum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Louisville 1 E	United States	Record low maximum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Eutawville	United States	Record low maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Kingstree	United States	Record low maximum temperature	26.1 C (79.0 F)	26 of 100 (Routine)
Moora	Australia	Record daily precipitation	25.7 mm (1.0 in)	25 of 100 (Routine)
Marshall	United States	Record low maximum temperature	22.2 C (72.0 F)	25 of 100 (Routine)
Allambie	Australia	Record daily precipitation	29.2 mm (1.1 in)	24 of 100 (Routine)
Elsfield	Australia	Record daily precipitation	45.7 mm (1.8 in)	24 of 100 (Routine)
Wilgarrup	Australia	Record daily precipitation	42.2 mm (1.7 in)	24 of 100 (Routine)
Warburton (O'Shannassy Reservo	Australia	Record daily precipitation	32.0 mm (1.3 in)	24 of 100 (Routine)
Kurla	India	Record daily precipitation	80.0 mm (3.1 in)	24 of 100 (Routine)
Vadgaon (Maval)	India	Record daily precipitation	56.6 mm (2.2 in)	24 of 100 (Routine)
Bassein	India	Record daily precipitation	134.9 mm (5.3 in)	24 of 100 (Routine)

Counts by Type and Timescale

475 records

Records set or tied on 17 August 1948 by type: Highest daily maximum 27, Lowest daily maximum 44, Highest daily minimum 35, Lowest daily minimum 69, Heaviest daily rainfall 299, Deepest snow cover 1.

Records on 17 August 1948 by type
Record type	Records
Highest daily maximum	27
Lowest daily maximum	44
Highest daily minimum	35
Lowest daily minimum	69
Heaviest daily rainfall	299
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 17 August 1948 by timescale: all-time 0, monthly 2, daily 473.

How Much Records Were Beaten By

392 broken records

Margins by which the 392 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 400.0. Ties are not counted.

Top 20 by Significance

17 August 1948

Top 20 records on 17 August 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1948	Dahej, IN	daily rain	184.2 mm (7.3 in)	115.1 mm (4.5 in)	41 years	56 of 100 (Notable)
17 August 1948	Sinnar, IN	daily rain	51.3 mm (2.0 in)	33.3 mm (1.3 in)	41 years	56 of 100 (Notable)
17 August 1948	Blagovescensk, RU	daily rain	79.0 mm (3.1 in)	36.8 mm (1.4 in)	50 years	50 of 100 (Notable)
17 August 1948	Trimbak, IN	daily rain	237.5 mm (9.4 in)	80.0 mm (3.1 in)	41 years	46 of 100 (Notable)
17 August 1948	Soltau, DE	daily rain	32.8 mm (1.3 in)	21.8 mm (0.9 in)	24 years	45 of 100 (Notable)
17 August 1948	Borsad, IN	daily rain	152.4 mm (6.0 in)	86.9 mm (3.4 in)	2 years	44 of 100 (Notable)
17 August 1948	Tallinn, EE	daily rain	29.1 mm (1.1 in)	9.9 mm (0.39 in)	70 years	43 of 100 (Notable)
17 August 1948	Lubeck-Werft, DE	daily rain	38.2 mm (1.5 in)	18.2 mm (0.7 in)	32 years	43 of 100 (Notable)
17 August 1948	Jaura, IN	daily rain	121.9 mm (4.8 in)	83.8 mm (3.3 in)	32 years	43 of 100 (Notable)
17 August 1948	Bunbury Post Office, AU	daily rain	47.5 mm (1.9 in)	19.3 mm (0.8 in)	30 years	42 of 100 (Notable)
17 August 1948	Orillia, CA	daily rain	37.1 mm (1.5 in)	18.8 mm (0.7 in)	59 years	42 of 100 (Notable)
17 August 1948	Hamburg Bergedorf, DE	daily rain	35.9 mm (1.4 in)	22.0 mm (0.9 in)	25 years	42 of 100 (Notable)
17 August 1948	Churu, IN	daily rain	88.9 mm (3.5 in)	63.5 mm (2.5 in)	16 years	40 of 100 (Notable)
17 August 1948	Brandywine, US	daily rain	47.0 mm (1.9 in)	30.5 mm (1.2 in)	25 years	38 of 100 (Notable)
17 August 1948	Stromsfoss Sluse, NO	daily rain	34.6 mm (1.4 in)	16.2 mm (0.6 in)	33 years	35 of 100 (Notable)
17 August 1948	Port Orford 2, US	monthly rain	42.2 mm (1.7 in)	9.9 mm (0.39 in)	8 years	35 of 100 (Notable)
17 August 1948	Boyanup, AU	daily rain	43.2 mm (1.7 in)	21.4 mm (0.8 in)	16 years	34 of 100 (Routine)
17 August 1948	Valod, IN	daily rain	133.4 mm (5.3 in)	67.4 mm (2.7 in)	4 years	34 of 100 (Routine)
17 August 1948	Centralia, US	daily rain	26.4 mm (1.0 in)	16.0 mm (0.6 in)	27 years	34 of 100 (Routine)
17 August 1948	Uran, IN	daily rain	105.7 mm (4.2 in)	73.9 mm (2.9 in)	9 years	33 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

1797 to 1948

Records set or tied on this calendar date in each year from 1797 to 1948. 1948 had 475 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 1948-08-17: 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 50	380
50 to 100	9
100 to 150	2
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1