Weather Records on 19 August 2017

439 weather records were set or tied worldwide on 19 August 2017. Highest significance: Yosemite Park HQ, US.

Key Facts for 19 August 2017

On 19 August 2017, 439 weather records were set or tied at long-record stations worldwide.
251 were record highs and 58 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 9 monthly and 428 daily.
Yosemite Park HQ set a monthly record daily precipitation of 39.4 mm (1.6 in) on 19 August 2017.
Across 168 earlier years (1797 to 2026) the same calendar date averaged 439 records.

Record Map

439 stations

439 station records on 19 August 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 August 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yosemite Park HQ	United States	Record daily precipitation	39.4 mm (1.6 in)	85 of 100 (Exceptional)
Surry Mtn Lake	United States	Record daily precipitation	101.6 mm (4.0 in)	65 of 100 (Major)
Tandsbyn	Sweden	Record daily precipitation	50.6 mm (2.0 in)	63 of 100 (Major)
Trafalgar Toseland Road	Australia	Record daily precipitation	40.0 mm (1.6 in)	61 of 100 (Major)
Poprad/Tatry	Slovakia	Record daily precipitation	65.0 mm (2.6 in)	61 of 100 (Major)
Moe Gippsland Water	Australia	Record daily precipitation	38.0 mm (1.5 in)	60 of 100 (Major)
Hamburg	United States	Record daily precipitation	61.0 mm (2.4 in)	60 of 100 (Major)
Nyora (Post Office)	Australia	Record daily precipitation	38.5 mm (1.5 in)	52 of 100 (Notable)
Olden_D	Sweden	Record daily precipitation	40.4 mm (1.6 in)	52 of 100 (Notable)
Sonnblick	Austria	Record daily precipitation	35.1 mm (1.4 in)	50 of 100 (Notable)
Hyannis	United States	Record daily precipitation	106.7 mm (4.2 in)	49 of 100 (Notable)
Lundsjon	Sweden	Record daily precipitation	54.4 mm (2.1 in)	46 of 100 (Notable)
Dillon	United States	Record high minimum temperature	25.0 C (77.0 F)	46 of 100 (Notable)
Kaxas-Aflo_D	Sweden	Record daily precipitation	44.8 mm (1.8 in)	45 of 100 (Notable)
Springerville	United States	Record low minimum temperature	2.8 C (37.0 F)	45 of 100 (Notable)
Willow Grove	Australia	Record daily precipitation	25.6 mm (1.0 in)	44 of 100 (Notable)
Lakeport 2	United States	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Oravska Lesna	Slovakia	Record daily precipitation	48.1 mm (1.9 in)	43 of 100 (Notable)
Ratece-Planica	Slovenia	Record daily precipitation	66.8 mm (2.6 in)	43 of 100 (Notable)
Ljungdalen	Sweden	Record daily precipitation	26.8 mm (1.1 in)	43 of 100 (Notable)
Adel	United States	Record high minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Bessaker	Norway	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Borzja	Russia	Record high minimum temperature	18.4 C (65.1 F)	42 of 100 (Notable)
Ratan	Sweden	Record daily precipitation	28.4 mm (1.1 in)	42 of 100 (Notable)
Lake Lynn	United States	Record daily precipitation	48.8 mm (1.9 in)	42 of 100 (Notable)
Morsil	Sweden	Record daily precipitation	35.4 mm (1.4 in)	41 of 100 (Notable)
Rize	Turkey	Record high minimum temperature	24.5 C (76.1 F)	41 of 100 (Notable)
Aztec Ruins Nm	United States	Record high maximum temperature	36.1 C (97.0 F)	41 of 100 (Notable)
Trondheim - Voll	Norway	Record daily precipitation	34.0 mm (1.3 in)	39 of 100 (Notable)
Blagovescensk	Russia	Record high minimum temperature	21.3 C (70.3 F)	39 of 100 (Notable)
Trinidad	United States	Record high minimum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Norrsundet	Sweden	Record daily precipitation	33.2 mm (1.3 in)	38 of 100 (Notable)
Newport	United States	Record daily precipitation	42.7 mm (1.7 in)	38 of 100 (Notable)
Utgard	Norway	Record daily precipitation	25.1 mm (1.0 in)	37 of 100 (Notable)
Pecos Nm	United States	Record low minimum temperature	1.7 C (35.1 F)	37 of 100 (Notable)
Rock Hill 3 SW	United States	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Ruston la Tech	United States	Record high minimum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Ytterberg_D	Sweden	Record daily precipitation	33.1 mm (1.3 in)	35 of 100 (Notable)
Confluence 1 SW Dam	United States	Record daily precipitation	38.6 mm (1.5 in)	35 of 100 (Notable)
Diversion Dam	United States	Record high maximum temperature	33.3 C (91.9 F)	35 of 100 (Notable)
Dodre	Sweden	Record daily precipitation	29.3 mm (1.2 in)	34 of 100 (Routine)
Jarpstrommen	Sweden	Record daily precipitation	28.3 mm (1.1 in)	34 of 100 (Routine)
White Signal	United States	Record high minimum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Gardiner	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Chatham	United States	Record daily precipitation	94.2 mm (3.7 in)	33 of 100 (Routine)
Barcelona/Aeropuerto	Spain	Record high minimum temperature	24.9 C (76.8 F)	32 of 100 (Routine)
Conowingo Dam	United States	Record daily precipitation	53.3 mm (2.1 in)	32 of 100 (Routine)
Yoongarillup	Australia	Record daily precipitation	40.0 mm (1.6 in)	31 of 100 (Routine)
Kaunas	Lithuania	Record high maximum temperature	30.9 C (87.6 F)	31 of 100 (Routine)
Orskog	Norway	Record daily precipitation	29.0 mm (1.1 in)	31 of 100 (Routine)
Deland 1 SSE	United States	Record daily precipitation	63.5 mm (2.5 in)	31 of 100 (Routine)
Edgartown	United States	Record daily precipitation	68.1 mm (2.7 in)	31 of 100 (Routine)
Keene	United States	Record daily precipitation	42.7 mm (1.7 in)	31 of 100 (Routine)
Otter Brook Lake	United States	Record daily precipitation	27.4 mm (1.1 in)	31 of 100 (Routine)
Key W Intl AP	United States	Record high maximum temperature	34.4 C (93.9 F)	31 of 100 (Routine)
Kunda	Estonia	Record high maximum temperature	27.4 C (81.3 F)	30 of 100 (Routine)
Bulgan	Mongolia	Record daily precipitation	29.5 mm (1.2 in)	30 of 100 (Routine)
Khorog	Tajikistan	Record low minimum temperature	9.2 C (48.6 F)	30 of 100 (Routine)
Plymouth 5 E	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
McAllen	United States	Record high maximum temperature	40.0 C (104.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

439 records

Records set or tied on 19 August 2017 by type: Highest daily maximum 105, Lowest daily maximum 34, Highest daily minimum 146, Lowest daily minimum 24, Heaviest daily rainfall 130.

Records on 19 August 2017 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	34
Highest daily minimum	146
Lowest daily minimum	24
Heaviest daily rainfall	130
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 19 August 2017 by timescale: all-time 2, monthly 9, daily 428.

How Much Records Were Beaten By

348 broken records

Margins by which the 348 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.8. Ties are not counted.

Top 20 by Significance

19 August 2017

Top 20 records on 19 August 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 August 2017	Yosemite Park HQ, US	monthly rain	39.4 mm (1.6 in)	16.5 mm (0.6 in)	111 years	85 of 100 (Exceptional)
19 August 2017	Surry Mtn Lake, US	daily rain	101.6 mm (4.0 in)	69.8 mm (2.7 in)	62 years	65 of 100 (Major)
19 August 2017	Tandsbyn, SE	daily rain	50.6 mm (2.0 in)	25.6 mm (1.0 in)	60 years	63 of 100 (Major)
19 August 2017	Trafalgar Toseland Road, AU	daily rain	40.0 mm (1.6 in)	21.7 mm (0.9 in)	59 years	61 of 100 (Major)
19 August 2017	Poprad/Tatry, SK	daily rain	65.0 mm (2.6 in)	49.4 mm (1.9 in)	52 years	61 of 100 (Major)
19 August 2017	Moe Gippsland Water, AU	daily rain	38.0 mm (1.5 in)	21.7 mm (0.9 in)	59 years	60 of 100 (Major)
19 August 2017	Hamburg, US	daily rain	61.0 mm (2.4 in)	32.0 mm (1.3 in)	103 years	60 of 100 (Major)
19 August 2017	Nyora (Post Office), AU	daily rain	38.5 mm (1.5 in)	26.1 mm (1.0 in)	28 years	52 of 100 (Notable)
19 August 2017	Olden_D, SE	daily rain	40.4 mm (1.6 in)	25.5 mm (1.0 in)	31 years	52 of 100 (Notable)
19 August 2017	Sonnblick, AT	daily rain	35.1 mm (1.4 in)	11.0 mm (0.4 in)	88 years	50 of 100 (Notable)
19 August 2017	Hyannis, US	daily rain	106.7 mm (4.2 in)	31.8 mm (1.3 in)	71 years	49 of 100 (Notable)
19 August 2017	Lundsjon, SE	all-time rain	54.4 mm (2.1 in)	6.1 mm (0.24 in)	43 years	46 of 100 (Notable)
19 August 2017	Dillon, US	daily high min	25.0 C (77.0 F)	1.7 C (3.1 F)	108 years	46 of 100 (Notable)
19 August 2017	Kaxas-Aflo_D, SE	daily rain	44.8 mm (1.8 in)	26.5 mm (1.0 in)	3 years	45 of 100 (Notable)
19 August 2017	Springerville, US	daily low min	2.8 C (37.0 F)	1.6 C (2.9 F)	106 years	45 of 100 (Notable)
19 August 2017	Willow Grove, AU	daily rain	25.6 mm (1.0 in)	14.8 mm (0.6 in)	42 years	44 of 100 (Notable)
19 August 2017	Lakeport 2, US	daily rain	62.2 mm (2.4 in)	36.3 mm (1.4 in)	23 years	44 of 100 (Notable)
19 August 2017	Oravska Lesna, SK	daily rain	48.1 mm (1.9 in)	21.2 mm (0.8 in)	52 years	43 of 100 (Notable)
19 August 2017	Ratece-Planica, SI	daily rain	66.8 mm (2.6 in)	43.2 mm (1.7 in)	38 years	43 of 100 (Notable)
19 August 2017	Ljungdalen, SE	daily rain	26.8 mm (1.1 in)	10.3 mm (0.4 in)	64 years	43 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 2017

Records set or tied on this calendar date in each year from 1797 to 2017. 2017 had 439 records.

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

Records on 08-19 in each year
Year	Records
1797	2
1800	1
1809	1
1820	1
1830	2
1831	1
1838	2
1844	2
1845	1
1846	1
1849	2
1857	1
1861	1
1862	1
1864	2
1867	1
1870	2
1872	1
1873	1
1874	1
1875	2
1877	3
1879	1
1880	1
1881	1
1882	1
1883	2
1884	2
1885	2
1886	2
1887	2
1888	1
1889	1
1890	4
1892	5
1893	2
1894	2
1895	1
1896	2
1897	2
1898	3
1899	9
1900	5
1901	13
1902	4
1903	6
1904	14
1905	16
1906	37
1907	17
1908	5
1909	24
1910	17
1911	9
1912	18
1913	9
1914	39
1915	34
1916	74
1917	200
1918	33
1919	31
1920	36
1921	22
1922	71
1923	97
1924	174
1925	154
1926	179
1927	343
1928	112
1929	163
1930	182
1931	207
1932	373
1933	328
1934	438
1935	389
1936	679
1937	305
1938	321
1939	432
1940	687
1941	431
1942	308
1943	596
1944	259
1945	427
1946	427
1947	896
1948	371
1949	411
1950	893
1951	362
1952	475
1953	412
1954	576
1955	780
1956	831
1957	325
1958	374
1959	733
1960	864
1961	425
1962	419
1963	570
1964	455
1965	550
1966	1,095
1967	839
1968	948
1969	501
1970	468
1971	376
1972	547
1973	519
1974	466
1975	561
1976	1,144
1977	938
1978	863
1979	1,492
1980	648
1981	1,004
1982	596
1983	1,387
1984	598
1985	713
1986	848
1987	811
1988	982
1989	660
1990	871
1991	656
1992	1,094
1993	771
1994	798
1995	1,542
1996	800
1997	958
1998	717
1999	980
2000	954
2001	1,027
2002	1,389
2003	918
2004	1,310
2005	920
2006	850
2007	1,360
2008	1,186
2009	1,039
2010	1,440
2011	975
2012	1,377
2013	765
2014	701
2015	989
2016	931
2017	439
2018	471
2019	601
2020	1,271
2021	1,366
2022	1,198
2023	910
2024	568
2025	786
2026	755

Download the Data

Data for records on 2017-08-19: 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	306
10 to 20	27
20 to 30	9
30 to 40	3
40 to 50	2
50 to 60	0
60 to 70	1