Weather Records on 18 August 2019

615 weather records were set or tied worldwide on 18 August 2019. Highest significance: Tracy, US.

Key Facts for 18 August 2019

On 18 August 2019, 615 weather records were set or tied at long-record stations worldwide.
395 were record highs and 90 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 6 monthly and 606 daily.
Tracy set a daily record precipitation of 81.3 mm (3.2 in) on 18 August 2019.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 440 records.

Record Map

615 stations

615 station records on 18 August 2019 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 2019: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tracy	United States	Record daily precipitation	81.3 mm (3.2 in)	78 of 100 (Major)
Crooked Rvr (Crooked River (Ha	Australia	Record daily precipitation	85.4 mm (3.4 in)	69 of 100 (Major)
Hays	United States	Record daily precipitation	80.0 mm (3.1 in)	62 of 100 (Major)
Shimla	India	Record daily precipitation	152.9 mm (6.0 in)	58 of 100 (Notable)
Woodstock	United States	Record daily precipitation	49.0 mm (1.9 in)	52 of 100 (Notable)
Cross City 1 E	United States	Record daily precipitation	109.2 mm (4.3 in)	51 of 100 (Notable)
Narpio Alamarkku	Finland	Record daily precipitation	40.5 mm (1.6 in)	48 of 100 (Notable)
Lake City 2 E	United States	Record low maximum temperature	23.3 C (73.9 F)	47 of 100 (Notable)
Perry	United States	Record daily precipitation	64.8 mm (2.6 in)	47 of 100 (Notable)
Sola	Norway	Record daily precipitation	31.5 mm (1.2 in)	44 of 100 (Notable)
Union 8 S	United States	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
San Angelo	United States	Record high minimum temperature	27.2 C (81.0 F)	44 of 100 (Notable)
Flint 7W	United States	Record daily precipitation	53.3 mm (2.1 in)	43 of 100 (Notable)
U of Mn St Paul	United States	Record daily precipitation	78.7 mm (3.1 in)	43 of 100 (Notable)
Harlingen	United States	Record high minimum temperature	27.2 C (81.0 F)	43 of 100 (Notable)
Raymondville	United States	Record high minimum temperature	27.2 C (81.0 F)	43 of 100 (Notable)
San Angelo	United States	Record high maximum temperature	41.7 C (107.1 F)	43 of 100 (Notable)
Inverness 3 SE	United States	Record low maximum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Gorlitz	Germany	Record high maximum temperature	31.5 C (88.7 F)	41 of 100 (Notable)
Hays 1 S	United States	Record daily precipitation	69.1 mm (2.7 in)	41 of 100 (Notable)
Plevna	United States	Record low minimum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Artesia 6S	United States	Record high maximum temperature	40.0 C (104.0 F)	41 of 100 (Notable)
Billings Wtp	United States	Record low maximum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Turtle Lake	United States	Record low maximum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Fillmore	United States	Record high minimum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Mukteshwar Kumaon	India	Record daily precipitation	56.9 mm (2.2 in)	38 of 100 (Notable)
Montezuma 1 W	United States	Record daily precipitation	55.1 mm (2.2 in)	38 of 100 (Notable)
Hesston	United States	Record daily precipitation	60.7 mm (2.4 in)	38 of 100 (Notable)
Carlsbad Caverns	United States	Record high minimum temperature	27.2 C (81.0 F)	38 of 100 (Notable)
Mohall	United States	Record low maximum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Kahl/Main	Germany	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Usher Twr	United States	Record low maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Audubon	United States	Record daily precipitation	64.8 mm (2.6 in)	37 of 100 (Notable)
Ellsworth	United States	Record daily precipitation	53.6 mm (2.1 in)	37 of 100 (Notable)
Carlsbad	United States	Record high maximum temperature	41.1 C (106.0 F)	37 of 100 (Notable)
Gran Quivira Natl Mon	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Bolu	Turkey	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Grand Lake Stream	United States	Record daily precipitation	27.7 mm (1.1 in)	36 of 100 (Notable)
Stormyra	Sweden	Record daily precipitation	33.2 mm (1.3 in)	35 of 100 (Notable)
Phila 1 WSW	United States	Record daily precipitation	70.6 mm (2.8 in)	35 of 100 (Notable)
Indian Mills 2 W	United States	Record high minimum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Centerville 6 SE	United States	Record daily precipitation	35.8 mm (1.4 in)	35 of 100 (Notable)
Dunkirk 19NNE	United States	Record low maximum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Freeport 2 NW	United States	Record high minimum temperature	29.4 C (84.9 F)	34 of 100 (Routine)
Zavitaja	Russia	Record low maximum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Mound Valley 3 WSW	United States	Record daily precipitation	41.7 mm (1.6 in)	33 of 100 (Routine)
Bridger 2 N	United States	Record low maximum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Watford City	United States	Record low maximum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Diversion Dam	United States	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Parainen Uto	Finland	Record daily precipitation	28.8 mm (1.1 in)	32 of 100 (Routine)
Guadalajara	Mexico	Record high minimum temperature	19.3 C (66.7 F)	32 of 100 (Routine)
Kautokeino	Norway	Record high minimum temperature	12.9 C (55.2 F)	32 of 100 (Routine)
Newton	United States	Record daily precipitation	47.0 mm (1.9 in)	32 of 100 (Routine)
Alpine	United States	Record high minimum temperature	22.8 C (73.0 F)	32 of 100 (Routine)
Memphis	United States	Record high maximum temperature	43.3 C (109.9 F)	32 of 100 (Routine)
Abilene Rgnl AP	United States	Record high maximum temperature	41.1 C (106.0 F)	32 of 100 (Routine)
Dresden-Strehlen	Germany	Record high maximum temperature	32.6 C (90.7 F)	31 of 100 (Routine)
Radolfzell-Markelfingen	Germany	Record daily precipitation	30.1 mm (1.2 in)	31 of 100 (Routine)
Dalatangi	Iceland	Record daily precipitation	55.9 mm (2.2 in)	31 of 100 (Routine)
Cekunda	Russia	Record low maximum temperature	14.2 C (57.6 F)	31 of 100 (Routine)

Counts by Type and Timescale

615 records

Records set or tied on 18 August 2019 by type: Highest daily maximum 198, Lowest daily maximum 62, Highest daily minimum 197, Lowest daily minimum 28, Heaviest daily rainfall 130.

Records on 18 August 2019 by type
Record type	Records
Highest daily maximum	198
Lowest daily maximum	62
Highest daily minimum	197
Lowest daily minimum	28
Heaviest daily rainfall	130
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 2019 by timescale: all-time 3, monthly 6, daily 606.

How Much Records Were Beaten By

454 broken records

Margins by which the 454 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 61.4. Ties are not counted.

Top 20 by Significance

18 August 2019

Top 20 records on 18 August 2019 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 2019	Tracy, US	daily rain	81.3 mm (3.2 in)	59.7 mm (2.4 in)	93 years	78 of 100 (Major)
18 August 2019	Crooked Rvr (Crooked River (Ha, AU	monthly rain	85.4 mm (3.4 in)	40.4 mm (1.6 in)	44 years	69 of 100 (Major)
18 August 2019	Hays, US	daily rain	80.0 mm (3.1 in)	60.4 mm (2.4 in)	53 years	62 of 100 (Major)
18 August 2019	Shimla, IN	daily rain	152.9 mm (6.0 in)	38.1 mm (1.5 in)	100 years	58 of 100 (Notable)
18 August 2019	Woodstock, US	daily rain	49.0 mm (1.9 in)	15.0 mm (0.6 in)	108 years	52 of 100 (Notable)
18 August 2019	Cross City 1 E, US	daily rain	109.2 mm (4.3 in)	61.4 mm (2.4 in)	40 years	51 of 100 (Notable)
18 August 2019	Narpio Alamarkku, FI	daily rain	40.5 mm (1.6 in)	25.8 mm (1.0 in)	25 years	48 of 100 (Notable)
18 August 2019	Lake City 2 E, US	daily low max	23.3 C (73.9 F)	3.4 C (6.1 F)	73 years	47 of 100 (Notable)
18 August 2019	Perry, US	daily rain	64.8 mm (2.6 in)	29.2 mm (1.1 in)	78 years	47 of 100 (Notable)
18 August 2019	Sola, NO	daily rain	31.5 mm (1.2 in)	14.9 mm (0.6 in)	65 years	44 of 100 (Notable)
18 August 2019	Union 8 S, US	daily rain	50.8 mm (2.0 in)	34.3 mm (1.4 in)	65 years	44 of 100 (Notable)
18 August 2019	San Angelo, US	daily high min	27.2 C (81.0 F)	1.1 C (2.0 F)	108 years	44 of 100 (Notable)
18 August 2019	Flint 7W, US	daily rain	53.3 mm (2.1 in)	33.5 mm (1.3 in)	24 years	43 of 100 (Notable)
18 August 2019	U of Mn St Paul, US	daily rain	78.7 mm (3.1 in)	43.9 mm (1.7 in)	25 years	43 of 100 (Notable)
18 August 2019	Harlingen, US	daily high min	27.2 C (81.0 F)	0.5 C (0.9 F)	104 years	43 of 100 (Notable)
18 August 2019	Raymondville, US	daily high min	27.2 C (81.0 F)	0.5 C (0.9 F)	104 years	43 of 100 (Notable)
18 August 2019	San Angelo, US	daily high max	41.7 C (107.1 F)	1.1 C (2.0 F)	101 years	43 of 100 (Notable)
18 August 2019	Inverness 3 SE, US	daily low max	26.7 C (80.1 F)	0.5 C (0.9 F)	117 years	42 of 100 (Notable)
18 August 2019	Gorlitz, DE	daily high max	31.5 C (88.7 F)	0.8 C (1.4 F)	126 years	41 of 100 (Notable)
18 August 2019	Hays 1 S, US	daily rain	69.1 mm (2.7 in)	18.8 mm (0.7 in)	57 years	41 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 2019

Records set or tied on this calendar date in each year from 1797 to 2019. 2019 had 615 records.

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

Records on 08-18 in each year
Year	Records
1797	2
1805	1
1816	1
1827	1
1829	1
1830	1
1833	1
1841	1
1844	1
1845	3
1846	1
1847	1
1849	1
1851	1
1852	1
1853	1
1854	2
1855	1
1856	1
1861	1
1864	2
1866	1
1868	2
1869	1
1870	2
1872	1
1873	1
1875	3
1876	1
1878	1
1879	2
1883	3
1885	3
1886	3
1887	3
1888	2
1889	1
1890	1
1891	2
1892	6
1893	4
1894	4
1895	1
1898	4
1899	6
1900	2
1901	10
1902	8
1903	6
1904	8
1905	10
1906	40
1907	7
1908	21
1909	24
1910	16
1911	11
1912	21
1913	43
1914	37
1915	60
1916	71
1917	70
1918	53
1919	34
1920	51
1921	39
1922	129
1923	90
1924	225
1925	300
1926	168
1927	269
1928	141
1929	181
1930	150
1931	241
1932	382
1933	431
1934	638
1935	424
1936	766
1937	308
1938	243
1939	381
1940	434
1941	467
1942	333
1943	738
1944	325
1945	400
1946	416
1947	958
1948	315
1949	393
1950	683
1951	355
1952	405
1953	323
1954	622
1955	795
1956	580
1957	380
1958	580
1959	537
1960	599
1961	415
1962	428
1963	760
1964	443
1965	525
1966	573
1967	623
1968	795
1969	530
1970	597
1971	381
1972	493
1973	734
1974	639
1975	844
1976	917
1977	1,112
1978	854
1979	1,309
1980	771
1981	1,386
1982	563
1983	1,420
1984	600
1985	765
1986	861
1987	1,609
1988	1,351
1989	952
1990	920
1991	533
1992	1,497
1993	706
1994	1,027
1995	1,882
1996	760
1997	1,191
1998	923
1999	888
2000	1,183
2001	1,036
2002	1,306
2003	860
2004	1,050
2005	865
2006	842
2007	1,116
2008	1,265
2009	839
2010	1,167
2011	1,239
2012	1,247
2013	752
2014	751
2015	880
2016	704
2017	565
2018	462
2019	615
2020	1,541
2021	1,118
2022	1,237
2023	1,094
2024	696
2025	455
2026	545

Download the Data

Data for records on 2019-08-18: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	414
10 to 20	23
20 to 30	7
30 to 40	5
40 to 50	2
50 to 60	1
60 to 70	2