Weather Records on 17 August 1934

377 weather records were set or tied worldwide on 17 August 1934. Highest significance: Umbergaon, IN.

Key Facts for 17 August 1934

On 17 August 1934, 377 weather records were set or tied at long-record stations worldwide.
206 were record highs and 17 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 10 monthly and 365 daily.
Umbergaon set a daily record precipitation of 131.6 mm (5.2 in) on 17 August 1934.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 474 records.

Record Map

377 stations

377 station records on 17 August 1934 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1934: highest significance records shown on the map
Station	Country	Type	Value	Significance
Umbergaon	India	Record daily precipitation	131.6 mm (5.2 in)	51 of 100 (Notable)
Yeola	India	Record daily precipitation	111.3 mm (4.4 in)	51 of 100 (Notable)
Bikaner	India	Record daily precipitation	89.4 mm (3.5 in)	48 of 100 (Notable)
Atrauli	India	Record daily precipitation	91.7 mm (3.6 in)	48 of 100 (Notable)
Chalisgaon	India	Record daily precipitation	120.9 mm (4.8 in)	46 of 100 (Notable)
Newport 1 NW	United States	Record daily precipitation	46.5 mm (1.8 in)	45 of 100 (Notable)
Rolla Missouri S&T	United States	Record daily precipitation	97.0 mm (3.8 in)	44 of 100 (Notable)
Indore	India	Record daily precipitation	114.3 mm (4.5 in)	42 of 100 (Notable)
Barpeta	India	Record daily precipitation	118.1 mm (4.6 in)	41 of 100 (Notable)
Selbu-Stubbe	Norway	Record daily precipitation	44.7 mm (1.8 in)	41 of 100 (Notable)
Reitz 36	South Africa	Record daily precipitation	43.4 mm (1.7 in)	41 of 100 (Notable)
Parola	India	Record daily precipitation	73.2 mm (2.9 in)	40 of 100 (Notable)
Eubank	United States	Record daily precipitation	71.1 mm (2.8 in)	40 of 100 (Notable)
Parlakimedi	India	Record daily precipitation	97.5 mm (3.8 in)	38 of 100 (Notable)
Greensburg	United States	Record daily precipitation	69.3 mm (2.7 in)	38 of 100 (Notable)
Galway	Ireland	Record low maximum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Bardoli	India	Record daily precipitation	83.8 mm (3.3 in)	35 of 100 (Notable)
Lehal	India	Record daily precipitation	88.4 mm (3.5 in)	35 of 100 (Notable)
Kopargaon	India	Record daily precipitation	96.5 mm (3.8 in)	34 of 100 (Routine)
Harpers Ferry River	United States	Record daily precipitation	55.4 mm (2.2 in)	33 of 100 (Routine)
Rajaund	India	Record daily precipitation	74.9 mm (2.9 in)	32 of 100 (Routine)
Dharni	India	Record daily precipitation	167.1 mm (6.6 in)	32 of 100 (Routine)
Morgantown 1	United States	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Gunupur	India	Record daily precipitation	102.9 mm (4.1 in)	31 of 100 (Routine)
St John Bethlehem Aca	United States	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Jalgaon	India	Record daily precipitation	50.3 mm (2.0 in)	30 of 100 (Routine)
Barwani	India	Record daily precipitation	36.8 mm (1.4 in)	27 of 100 (Routine)
Ratlam	India	Record daily precipitation	101.1 mm (4.0 in)	27 of 100 (Routine)
Rahuri	India	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Tewantin Post Office	Australia	Record low minimum temperature	-3.1 C (26.4 F)	26 of 100 (Routine)
Bedetti(Behali)	India	Record daily precipitation	102.6 mm (4.0 in)	26 of 100 (Routine)
Bansda	India	Record daily precipitation	186.2 mm (7.3 in)	26 of 100 (Routine)
Deolgaon Raja	India	Record daily precipitation	47.2 mm (1.9 in)	26 of 100 (Routine)
Gumma	India	Record daily precipitation	66.0 mm (2.6 in)	26 of 100 (Routine)
Coldwater	United States	Record daily precipitation	50.3 mm (2.0 in)	26 of 100 (Routine)
Lachmangarh	India	Record daily precipitation	47.0 mm (1.9 in)	25 of 100 (Routine)
Riverton	United States	Record daily precipitation	46.5 mm (1.8 in)	25 of 100 (Routine)
Bulsar Obsy Sr	India	Record daily precipitation	148.8 mm (5.9 in)	24 of 100 (Routine)
Valod	India	Record daily precipitation	60.5 mm (2.4 in)	24 of 100 (Routine)
Jalgaon	India	Record daily precipitation	80.0 mm (3.1 in)	24 of 100 (Routine)
Qu'appelle	Canada	Record high maximum temperature	35.0 C (95.0 F)	23 of 100 (Routine)
Ilav	India	Record daily precipitation	43.2 mm (1.7 in)	23 of 100 (Routine)
Khamgaon	India	Record daily precipitation	53.6 mm (2.1 in)	23 of 100 (Routine)
Kentfield	United States	Record high maximum temperature	37.8 C (100.0 F)	23 of 100 (Routine)
Guthrie 5S	United States	Record high minimum temperature	27.2 C (81.0 F)	23 of 100 (Routine)
Cedar Hill 1	United States	Record daily precipitation	66.0 mm (2.6 in)	23 of 100 (Routine)
New England	United States	Record high maximum temperature	40.0 C (104.0 F)	22 of 100 (Routine)
Alva 1W	United States	Record high minimum temperature	27.2 C (81.0 F)	22 of 100 (Routine)
Grenfell	Canada	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Pachora	India	Record daily precipitation	26.2 mm (1.0 in)	21 of 100 (Routine)
Panvel	India	Record daily precipitation	118.1 mm (4.6 in)	21 of 100 (Routine)
Quincy	United States	Record high maximum temperature	36.7 C (98.1 F)	21 of 100 (Routine)
Hawkinsville	United States	Record high minimum temperature	25.6 C (78.1 F)	21 of 100 (Routine)
Marlow 1 WSW	United States	Record high minimum temperature	25.6 C (78.1 F)	21 of 100 (Routine)
Shawnee	United States	Record high minimum temperature	27.2 C (81.0 F)	21 of 100 (Routine)
Fergana	Uzbekistan	Record daily precipitation	2.3 mm (0.09 in)	20 of 100 (Routine)
Holly	United States	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Kherson	Ukraine	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Heavitree, Estcourt	South Africa	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Golaghat	India	Record daily precipitation	81.3 mm (3.2 in)	20 of 100 (Routine)

Counts by Type and Timescale

377 records

Records set or tied on 17 August 1934 by type: Highest daily maximum 100, Lowest daily maximum 8, Highest daily minimum 106, Lowest daily minimum 9, Heaviest daily rainfall 154.

Records on 17 August 1934 by type
Record type	Records
Highest daily maximum	100
Lowest daily maximum	8
Highest daily minimum	106
Lowest daily minimum	9
Heaviest daily rainfall	154
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1934 by timescale: all-time 2, monthly 10, daily 365.

How Much Records Were Beaten By

294 broken records

Margins by which the 294 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.6. Ties are not counted.

Top 20 by Significance

17 August 1934

Top 20 records on 17 August 1934 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1934	Umbergaon, IN	daily rain	131.6 mm (5.2 in)	92.2 mm (3.6 in)	27 years	51 of 100 (Notable)
17 August 1934	Yeola, IN	daily rain	111.3 mm (4.4 in)	96.6 mm (3.8 in)	27 years	51 of 100 (Notable)
17 August 1934	Bikaner, IN	daily rain	89.4 mm (3.5 in)	77.7 mm (3.1 in)	25 years	48 of 100 (Notable)
17 August 1934	Atrauli, IN	daily rain	91.7 mm (3.6 in)	82.0 mm (3.2 in)	29 years	48 of 100 (Notable)
17 August 1934	Chalisgaon, IN	monthly rain	120.9 mm (4.8 in)	41.9 mm (1.6 in)	0 years	46 of 100 (Notable)
17 August 1934	Newport 1 NW, US	daily rain	46.5 mm (1.8 in)	31.5 mm (1.2 in)	42 years	45 of 100 (Notable)
17 August 1934	Rolla Missouri S&T, US	daily rain	97.0 mm (3.8 in)	67.8 mm (2.7 in)	3 years	44 of 100 (Notable)
17 August 1934	Indore, IN	daily rain	114.3 mm (4.5 in)	68.6 mm (2.7 in)	11 years	42 of 100 (Notable)
17 August 1934	Barpeta, IN	daily rain	118.1 mm (4.6 in)	93.2 mm (3.7 in)	21 years	41 of 100 (Notable)
17 August 1934	Selbu-Stubbe, NO	daily rain	44.7 mm (1.8 in)	19.7 mm (0.8 in)	27 years	41 of 100 (Notable)
17 August 1934	Reitz 36, ZA	monthly rain	43.4 mm (1.7 in)	15.0 mm (0.6 in)	21 years	41 of 100 (Notable)
17 August 1934	Parola, IN	daily rain	73.2 mm (2.9 in)	44.5 mm (1.8 in)	15 years	40 of 100 (Notable)
17 August 1934	Eubank, US	daily rain	71.1 mm (2.8 in)	38.1 mm (1.5 in)	27 years	40 of 100 (Notable)
17 August 1934	Parlakimedi, IN	daily rain	97.5 mm (3.8 in)	59.4 mm (2.3 in)	0 years	38 of 100 (Notable)
17 August 1934	Greensburg, US	daily rain	69.3 mm (2.7 in)	36.5 mm (1.4 in)	16 years	38 of 100 (Notable)
17 August 1934	Galway, IE	monthly low max	12.8 C (55.0 F)	1.1 C (2.0 F)	48 years	35 of 100 (Notable)
17 August 1934	Bardoli, IN	daily rain	83.8 mm (3.3 in)	48.5 mm (1.9 in)	25 years	35 of 100 (Notable)
17 August 1934	Lehal, IN	daily rain	88.4 mm (3.5 in)	55.4 mm (2.2 in)	25 years	35 of 100 (Notable)
17 August 1934	Kopargaon, IN	monthly rain	96.5 mm (3.8 in)	19.3 mm (0.8 in)	9 years	34 of 100 (Routine)
17 August 1934	Harpers Ferry River, US	daily rain	55.4 mm (2.2 in)	32.5 mm (1.3 in)	24 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 1934

Records set or tied on this calendar date in each year from 1797 to 1934. 1934 had 377 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 1934-08-17: 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 20	245
20 to 40	32
40 to 60	10
60 to 80	3
80 to 100	4