Weather Records on 19 August 1999

980 weather records were set or tied worldwide on 19 August 1999. Highest significance: Duchesne, US.

Key Facts for 19 August 1999

On 19 August 1999, 980 weather records were set or tied at long-record stations worldwide.
586 were record highs and 187 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 26 monthly and 950 daily.
Duchesne set a daily record precipitation of 30.2 mm (1.2 in) on 19 August 1999.
Across 168 earlier years (1797 to 2026) the same calendar date averaged 436 records.

Record Map

980 stations

980 station records on 19 August 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 August 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Duchesne	United States	Record daily precipitation	30.2 mm (1.2 in)	61 of 100 (Major)
Bradford 4SW Rsch 5	United States	Record daily precipitation	69.6 mm (2.7 in)	57 of 100 (Notable)
Kumeny	Russia	Record daily precipitation	39.0 mm (1.5 in)	51 of 100 (Notable)
Ixcateopan de Tlapa	Mexico	Record daily precipitation	72.9 mm (2.9 in)	50 of 100 (Notable)
Kreileroord	Netherlands	Record daily precipitation	34.2 mm (1.3 in)	50 of 100 (Notable)
Fruholmen Fyr	Norway	Record daily precipitation	31.6 mm (1.2 in)	50 of 100 (Notable)
Waynesboro 2 S	United States	Record daily precipitation	140.7 mm (5.5 in)	49 of 100 (Notable)
La Grange 1N	United States	Record high maximum temperature	37.8 C (100.0 F)	48 of 100 (Notable)
Erfde	Germany	Record daily precipitation	46.4 mm (1.8 in)	45 of 100 (Notable)
Cuernavaca (Dge)	Mexico	Record daily precipitation	65.3 mm (2.6 in)	45 of 100 (Notable)
Temixco	Mexico	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
Fagered	Sweden	Record daily precipitation	46.5 mm (1.8 in)	45 of 100 (Notable)
San Francisco	Mexico	Record daily precipitation	121.7 mm (4.8 in)	44 of 100 (Notable)
Thomasville	United States	Record high maximum temperature	38.9 C (102.0 F)	43 of 100 (Notable)
Grand Coteau	United States	Record high maximum temperature	38.9 C (102.0 F)	43 of 100 (Notable)
Vardo	Norway	Record daily precipitation	38.0 mm (1.5 in)	42 of 100 (Notable)
Saint Maries	United States	Record high minimum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Colville	United States	Record high minimum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Weddingstedt	Germany	Record daily precipitation	46.1 mm (1.8 in)	41 of 100 (Notable)
Louisville 1 E	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Grangeville	United States	Record high minimum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Rushville	United States	Record daily precipitation	36.1 mm (1.4 in)	41 of 100 (Notable)
Yautepec	Mexico	Record daily precipitation	60.2 mm (2.4 in)	40 of 100 (Notable)
Hyltan	Sweden	Record daily precipitation	32.8 mm (1.3 in)	40 of 100 (Notable)
Livingston	United States	Record high maximum temperature	40.6 C (105.1 F)	40 of 100 (Notable)
Clayton 1 SSW	United States	Record high maximum temperature	34.4 C (93.9 F)	40 of 100 (Notable)
Monticello	United States	Record high minimum temperature	26.1 C (79.0 F)	40 of 100 (Notable)
Farmville	United States	Record high maximum temperature	37.2 C (99.0 F)	40 of 100 (Notable)
Huitzuco (Smn)	Mexico	Record daily precipitation	60.5 mm (2.4 in)	39 of 100 (Notable)
Ulrika	Sweden	Record daily precipitation	88.0 mm (3.5 in)	39 of 100 (Notable)
Morrison	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Libby 1 NE Rs	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Mt Pleasant	United States	Record high minimum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
El Dorado Goodwin Fld	United States	Record high maximum temperature	42.2 C (108.0 F)	39 of 100 (Notable)
Pustunich	Mexico	Record low maximum temperature	27.8 C (82.0 F)	38 of 100 (Notable)
Coatepec Harinas	Mexico	Record daily precipitation	57.4 mm (2.3 in)	38 of 100 (Notable)
Kislovodsk	Russia	Record high minimum temperature	20.2 C (68.4 F)	38 of 100 (Notable)
Laurel	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Den Oever	Netherlands	Record daily precipitation	32.3 mm (1.3 in)	37 of 100 (Notable)
Marken	Netherlands	Record daily precipitation	25.1 mm (1.0 in)	37 of 100 (Notable)
Ruston la Tech	United States	Record high maximum temperature	40.6 C (105.1 F)	37 of 100 (Notable)
Corinth 5 WSW	United States	Record high maximum temperature	41.1 C (106.0 F)	37 of 100 (Notable)
Waynesboro 2 W	United States	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Elizabethton	United States	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Kustanai	Kazakhstan	Record high maximum temperature	33.5 C (92.3 F)	36 of 100 (Notable)
Halmstad	Sweden	Record daily precipitation	30.2 mm (1.2 in)	36 of 100 (Notable)
Saint Bernard	United States	Record high maximum temperature	39.4 C (102.9 F)	36 of 100 (Notable)
Ringarooma (Charles Street)	Australia	Record daily precipitation	34.6 mm (1.4 in)	35 of 100 (Notable)
Valga	Latvia	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Allende	Mexico	Record high minimum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Komstorp	Sweden	Record daily precipitation	28.6 mm (1.1 in)	35 of 100 (Notable)
Calhoun 2 N	United States	Record high maximum temperature	40.0 C (104.0 F)	35 of 100 (Notable)
Elizabeth City	United States	Record high minimum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Wedgefield	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Clearbrook	United States	Record high minimum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Teodoro Sampaio	Brazil	Record daily precipitation	25.5 mm (1.0 in)	34 of 100 (Routine)
Buenavista	Mexico	Record daily precipitation	64.8 mm (2.6 in)	34 of 100 (Routine)
Tepexpan	Mexico	Record high maximum temperature	33.9 C (93.0 F)	34 of 100 (Routine)
Stavoren_1	Netherlands	Record daily precipitation	28.9 mm (1.1 in)	34 of 100 (Routine)

Counts by Type and Timescale

980 records

Records set or tied on 19 August 1999 by type: Highest daily maximum 304, Lowest daily maximum 103, Highest daily minimum 282, Lowest daily minimum 84, Heaviest daily rainfall 207.

Records on 19 August 1999 by type
Record type	Records
Highest daily maximum	304
Lowest daily maximum	103
Highest daily minimum	282
Lowest daily minimum	84
Heaviest daily rainfall	207
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 19 August 1999 by timescale: all-time 4, monthly 26, daily 950.

How Much Records Were Beaten By

693 broken records

Margins by which the 693 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 50.3. Ties are not counted.

Top 20 by Significance

19 August 1999

Top 20 records on 19 August 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 August 1999	Duchesne, US	daily rain	30.2 mm (1.2 in)	14.2 mm (0.6 in)	78 years	61 of 100 (Major)
19 August 1999	Bradford 4SW Rsch 5, US	daily rain	69.6 mm (2.7 in)	42.4 mm (1.7 in)	48 years	57 of 100 (Notable)
19 August 1999	Kumeny, RU	daily rain	39.0 mm (1.5 in)	28.9 mm (1.1 in)	24 years	51 of 100 (Notable)
19 August 1999	Ixcateopan de Tlapa, MX	daily rain	72.9 mm (2.9 in)	46.0 mm (1.8 in)	21 years	50 of 100 (Notable)
19 August 1999	Kreileroord, NL	daily rain	34.2 mm (1.3 in)	20.7 mm (0.8 in)	29 years	50 of 100 (Notable)
19 August 1999	Fruholmen Fyr, NO	daily rain	31.6 mm (1.2 in)	22.3 mm (0.9 in)	22 years	50 of 100 (Notable)
19 August 1999	Waynesboro 2 S, US	monthly rain	140.7 mm (5.5 in)	23.4 mm (0.9 in)	59 years	49 of 100 (Notable)
19 August 1999	La Grange 1N, US	daily high max	37.8 C (100.0 F)	2.2 C (4.0 F)	102 years	48 of 100 (Notable)
19 August 1999	Erfde, DE	daily rain	46.4 mm (1.8 in)	22.2 mm (0.9 in)	38 years	45 of 100 (Notable)
19 August 1999	Cuernavaca (Dge), MX	daily rain	65.3 mm (2.6 in)	44.0 mm (1.7 in)	38 years	45 of 100 (Notable)
19 August 1999	Temixco, MX	daily rain	49.8 mm (2.0 in)	35.3 mm (1.4 in)	38 years	45 of 100 (Notable)
19 August 1999	Fagered, SE	daily rain	46.5 mm (1.8 in)	24.0 mm (0.9 in)	32 years	45 of 100 (Notable)
19 August 1999	San Francisco, MX	daily rain	121.7 mm (4.8 in)	50.3 mm (2.0 in)	22 years	44 of 100 (Notable)
19 August 1999	Thomasville, US	daily high max	38.9 C (102.0 F)	1.1 C (2.0 F)	96 years	43 of 100 (Notable)
19 August 1999	Grand Coteau, US	daily high max	38.9 C (102.0 F)	1.7 C (3.1 F)	89 years	43 of 100 (Notable)
19 August 1999	Vardo, NO	daily rain	38.0 mm (1.5 in)	24.0 mm (0.9 in)	12 years	42 of 100 (Notable)
19 August 1999	Saint Maries, US	daily high min	17.2 C (63.0 F)	1.1 C (2.0 F)	97 years	42 of 100 (Notable)
19 August 1999	Colville, US	daily high min	20.6 C (69.1 F)	3.4 C (6.1 F)	76 years	42 of 100 (Notable)
19 August 1999	Weddingstedt, DE	daily rain	46.1 mm (1.8 in)	19.0 mm (0.7 in)	38 years	41 of 100 (Notable)
19 August 1999	Louisville 1 E, US	daily high min	24.4 C (75.9 F)	1.1 C (2.0 F)	88 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 1999

Records set or tied on this calendar date in each year from 1797 to 1999. 1999 had 980 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 1999-08-19: 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 2026-10-17 (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	628
10 to 20	40
20 to 30	13
30 to 40	6
40 to 50	5
50 to 60	1