Weather Records on 10 August 1999

945 weather records were set or tied worldwide on 10 August 1999. Highest significance: St Joseph 3 N, US.

Key Facts for 10 August 1999

On 10 August 1999, 945 weather records were set or tied at long-record stations worldwide.
432 were record highs and 284 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 29 monthly and 911 daily.
St Joseph 3 N set a daily record precipitation of 88.9 mm (3.5 in) on 10 August 1999.
Across 160 earlier years (1814 to 2026) the same calendar date averaged 465 records.

Record Map

945 stations

945 station records on 10 August 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 August 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
St Joseph 3 N	United States	Record daily precipitation	88.9 mm (3.5 in)	66 of 100 (Major)
Loppi Vojakkala	Finland	Record daily precipitation	73.8 mm (2.9 in)	59 of 100 (Notable)
Prospect 2 SW	United States	Record daily precipitation	32.3 mm (1.3 in)	59 of 100 (Notable)
Oak Knoll W C	United States	Record daily precipitation	39.6 mm (1.6 in)	56 of 100 (Notable)
Jamijarvi Pirttijarvi	Finland	Record daily precipitation	68.0 mm (2.7 in)	52 of 100 (Notable)
Hameln	Germany	Record daily precipitation	34.2 mm (1.3 in)	51 of 100 (Notable)
Landvik	Norway	Record daily precipitation	73.2 mm (2.9 in)	50 of 100 (Notable)
Camargo (Smn)	Mexico	Record daily precipitation	36.3 mm (1.4 in)	49 of 100 (Notable)
Torungen Fyr	Norway	Record daily precipitation	51.2 mm (2.0 in)	49 of 100 (Notable)
Vallecito Dam	United States	Record daily precipitation	50.3 mm (2.0 in)	48 of 100 (Notable)
Frontera Amatenango	Mexico	Record daily precipitation	75.9 mm (3.0 in)	47 of 100 (Notable)
Pascagoula 3 NE	United States	Record daily precipitation	108.0 mm (4.3 in)	47 of 100 (Notable)
Prentiss	United States	Record daily precipitation	58.4 mm (2.3 in)	47 of 100 (Notable)
Temple	United States	Record low minimum temperature	16.1 C (61.0 F)	46 of 100 (Notable)
La Vega	Mexico	Record low maximum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Nidingen A	Sweden	Record daily precipitation	58.6 mm (2.3 in)	45 of 100 (Notable)
Wallace 2 E	United States	Record daily precipitation	82.0 mm (3.2 in)	44 of 100 (Notable)
San Andres (Isla)/S	Colombia	Record daily precipitation	99.8 mm (3.9 in)	43 of 100 (Notable)
Pratt 3NW	United States	Record daily precipitation	38.4 mm (1.5 in)	43 of 100 (Notable)
Monte S. Angelo	Italy	Record high minimum temperature	29.2 C (84.6 F)	42 of 100 (Notable)
Roermond	Netherlands	Record daily precipitation	26.4 mm (1.0 in)	42 of 100 (Notable)
San Simon	United States	Record low maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Port Gibson 1 NE	United States	Record daily precipitation	52.6 mm (2.1 in)	41 of 100 (Notable)
Lamar 3 SSE	United States	Record daily precipitation	66.0 mm (2.6 in)	41 of 100 (Notable)
Toledo Blade	United States	Record high maximum temperature	36.1 C (97.0 F)	41 of 100 (Notable)
Anderson	United States	Record high maximum temperature	37.8 C (100.0 F)	41 of 100 (Notable)
Cornwall	United States	Record low minimum temperature	4.4 C (39.9 F)	41 of 100 (Notable)
Bad Lauchstadt	Germany	Record daily precipitation	30.3 mm (1.2 in)	40 of 100 (Notable)
Calera	Mexico	Record low minimum temperature	5.0 C (41.0 F)	40 of 100 (Notable)
Wauneta	United States	Record daily precipitation	72.4 mm (2.9 in)	40 of 100 (Notable)
Minden	United States	Record low maximum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
Metalanim	Federated States of Micronesia	Record daily precipitation	102.6 mm (4.0 in)	39 of 100 (Notable)
Weissenburg	Germany	Record daily precipitation	28.0 mm (1.1 in)	39 of 100 (Notable)
Calaveras Big Trees	United States	Record low minimum temperature	1.1 C (34.0 F)	38 of 100 (Notable)
San Gabriel Fire Dept	United States	Record low minimum temperature	8.3 C (46.9 F)	38 of 100 (Notable)
Forsyth 6 NNW	United States	Record high maximum temperature	37.2 C (99.0 F)	38 of 100 (Notable)
Carson City	United States	Record low maximum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Elkhorn	United States	Record low minimum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Coronado Nmem	United States	Record daily precipitation	64.3 mm (2.5 in)	37 of 100 (Notable)
Grapevine Dam	United States	Record high maximum temperature	41.1 C (106.0 F)	37 of 100 (Notable)
La Vega	Mexico	Record low minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Talljarv_D	Sweden	Record daily precipitation	42.8 mm (1.7 in)	36 of 100 (Notable)
Tarendo	Sweden	Record daily precipitation	35.0 mm (1.4 in)	36 of 100 (Notable)
Wells	United States	Record low maximum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
W Chester 2 NW	United States	Record low minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Wheatland 4N	United States	Record daily precipitation	29.5 mm (1.2 in)	36 of 100 (Notable)
La Paz (Dge)	Mexico	Record low minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Presa Valerio Trujano	Mexico	Record daily precipitation	60.2 mm (2.4 in)	35 of 100 (Notable)
Orrbyn	Sweden	Record daily precipitation	31.9 mm (1.3 in)	35 of 100 (Notable)
Healdsburg	United States	Record low maximum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Shubuta	United States	Record daily precipitation	59.2 mm (2.3 in)	35 of 100 (Notable)
Ardmore	United States	Record high minimum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
Ikaalinen Vehuvarpee	Finland	Record daily precipitation	30.2 mm (1.2 in)	34 of 100 (Routine)
Saittarova_D	Sweden	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Glenbrook	United States	Record low maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Medford Intl AP	United States	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Monticello	United States	Record daily precipitation	51.8 mm (2.0 in)	33 of 100 (Routine)
Hobbs	United States	Record high minimum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Albuquerque Intl AP	United States	Record low maximum temperature	25.0 C (77.0 F)	33 of 100 (Routine)
Bastia	France	Record high minimum temperature	24.8 C (76.6 F)	32 of 100 (Routine)

Counts by Type and Timescale

945 records

Records set or tied on 10 August 1999 by type: Highest daily maximum 167, Lowest daily maximum 137, Highest daily minimum 265, Lowest daily minimum 147, Heaviest daily rainfall 229.

Records on 10 August 1999 by type
Record type	Records
Highest daily maximum	167
Lowest daily maximum	137
Highest daily minimum	265
Lowest daily minimum	147
Heaviest daily rainfall	229
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 August 1999 by timescale: all-time 5, monthly 29, daily 911.

How Much Records Were Beaten By

687 broken records

Margins by which the 687 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.9. Ties are not counted.

Top 20 by Significance

10 August 1999

Top 20 records on 10 August 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 August 1999	St Joseph 3 N, US	daily rain	88.9 mm (3.5 in)	57.9 mm (2.3 in)	56 years	66 of 100 (Major)
10 August 1999	Loppi Vojakkala, FI	all-time rain	73.8 mm (2.9 in)	20.8 mm (0.8 in)	23 years	59 of 100 (Notable)
10 August 1999	Prospect 2 SW, US	daily rain	32.3 mm (1.3 in)	31.0 mm (1.2 in)	36 years	59 of 100 (Notable)
10 August 1999	Oak Knoll W C, US	monthly rain	39.6 mm (1.6 in)	14.7 mm (0.6 in)	33 years	56 of 100 (Notable)
10 August 1999	Jamijarvi Pirttijarvi, FI	daily rain	68.0 mm (2.7 in)	49.6 mm (2.0 in)	32 years	52 of 100 (Notable)
10 August 1999	Hameln, DE	daily rain	34.2 mm (1.3 in)	18.8 mm (0.7 in)	53 years	51 of 100 (Notable)
10 August 1999	Landvik, NO	daily rain	73.2 mm (2.9 in)	41.4 mm (1.6 in)	32 years	50 of 100 (Notable)
10 August 1999	Camargo (Smn), MX	daily rain	36.3 mm (1.4 in)	16.5 mm (0.6 in)	73 years	49 of 100 (Notable)
10 August 1999	Torungen Fyr, NO	daily rain	51.2 mm (2.0 in)	24.2 mm (1.0 in)	52 years	49 of 100 (Notable)
10 August 1999	Vallecito Dam, US	daily rain	50.3 mm (2.0 in)	33.8 mm (1.3 in)	1 year	48 of 100 (Notable)
10 August 1999	Frontera Amatenango, MX	daily rain	75.9 mm (3.0 in)	57.1 mm (2.2 in)	14 years	47 of 100 (Notable)
10 August 1999	Pascagoula 3 NE, US	daily rain	108.0 mm (4.3 in)	49.6 mm (2.0 in)	50 years	47 of 100 (Notable)
10 August 1999	Prentiss, US	daily rain	58.4 mm (2.3 in)	40.6 mm (1.6 in)	56 years	47 of 100 (Notable)
10 August 1999	Temple, US	daily low min	16.1 C (61.0 F)	1.7 C (3.1 F)	90 years	46 of 100 (Notable)
10 August 1999	La Vega, MX	daily low max	21.7 C (71.1 F)	5.0 C (9.0 F)	33 years	45 of 100 (Notable)
10 August 1999	Nidingen A, SE	monthly rain	58.6 mm (2.3 in)	4.3 mm (0.17 in)	65 years	45 of 100 (Notable)
10 August 1999	Wallace 2 E, US	daily rain	82.0 mm (3.2 in)	38.8 mm (1.5 in)	54 years	44 of 100 (Notable)
10 August 1999	San Andres (Isla)/S, CO	daily rain	99.8 mm (3.9 in)	56.8 mm (2.2 in)	12 years	43 of 100 (Notable)
10 August 1999	Pratt 3NW, US	daily rain	38.4 mm (1.5 in)	5.4 mm (0.21 in)	101 years	43 of 100 (Notable)
10 August 1999	Monte S. Angelo, IT	all-time high min	29.2 C (84.6 F)	2.2 C (4.0 F)	41 years	42 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

1814 to 1999

Records set or tied on this calendar date in each year from 1814 to 1999. 1999 had 945 records.

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

Records on 08-10 in each year
Year	Records
1814	1
1815	1
1838	1
1845	2
1847	1
1849	1
1852	1
1853	1
1857	2
1859	1
1861	2
1862	2
1863	1
1864	1
1869	2
1871	1
1877	1
1879	4
1881	2
1884	2
1885	1
1886	1
1887	1
1888	1
1890	2
1891	6
1892	1
1893	1
1894	5
1895	1
1896	5
1897	7
1898	4
1899	6
1900	6
1901	5
1902	7
1903	8
1904	12
1905	5
1906	16
1907	9
1908	7
1909	33
1910	10
1911	40
1912	39
1913	44
1914	27
1915	26
1916	88
1917	51
1918	43
1919	51
1920	101
1921	66
1922	78
1923	175
1924	245
1925	430
1926	80
1927	294
1928	160
1929	264
1930	299
1931	424
1932	251
1933	305
1934	662
1935	480
1936	487
1937	399
1938	382
1939	593
1940	386
1941	459
1942	420
1943	304
1944	1,006
1945	360
1946	303
1947	766
1948	339
1949	586
1950	324
1951	425
1952	395
1953	431
1954	372
1955	309
1956	522
1957	322
1958	443
1959	528
1960	470
1961	640
1962	761
1963	479
1964	553
1965	700
1966	1,231
1967	766
1968	784
1969	588
1970	702
1971	760
1972	1,175
1973	597
1974	719
1975	664
1976	855
1977	786
1978	495
1979	700
1980	849
1981	857
1982	1,070
1983	915
1984	956
1985	918
1986	535
1987	896
1988	792
1989	1,291
1990	736
1991	819
1992	1,051
1993	774
1994	1,338
1995	1,119
1996	1,027
1997	1,504
1998	1,112
1999	945
2000	990
2001	1,192
2002	1,080
2003	1,556
2004	976
2005	1,225
2006	980
2007	1,476
2008	871
2009	869
2010	1,704
2011	1,247
2012	995
2013	599
2014	516
2015	583
2016	893
2017	636
2018	1,018
2019	754
2020	816
2021	553
2022	687
2023	782
2024	882
2025	659
2026	1,149

Download the Data

Data for records on 1999-08-10: 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	623
10 to 20	36
20 to 30	12
30 to 40	8
40 to 50	4
50 to 60	4