Weather Records on 9 August 1999

1,370 weather records were set or tied worldwide on 9 August 1999. Highest significance: Corryong (Parish Lane), AU.

Key Facts for 9 August 1999

On 9 August 1999, 1,370 weather records were set or tied at long-record stations worldwide.
442 were record highs and 312 were record lows, counting maximum and minimum temperature.
By timescale, 11 were all-time records, 50 monthly and 1,309 daily.
Corryong (Parish Lane) set a daily record precipitation of 51.2 mm (2.0 in) on 9 August 1999.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 468 records.

Record Map

1,370 stations

1,370 station records on 9 August 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Corryong (Parish Lane)	Australia	Record daily precipitation	51.2 mm (2.0 in)	67 of 100 (Major)
Tarcutta (Wollumbi)	Australia	Record daily precipitation	35.4 mm (1.4 in)	66 of 100 (Major)
Kergunyah South	Australia	Record daily precipitation	68.6 mm (2.7 in)	61 of 100 (Major)
New Ulm 2 SE	United States	Record daily precipitation	73.2 mm (2.9 in)	61 of 100 (Major)
Harrietville	Australia	Record daily precipitation	77.0 mm (3.0 in)	60 of 100 (Major)
Ornskoldsvik	Sweden	Record daily precipitation	65.9 mm (2.6 in)	60 of 100 (Major)
Barnawartha	Australia	Record daily precipitation	35.4 mm (1.4 in)	57 of 100 (Notable)
Omeo Shannon Vale	Australia	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Grenfell (Quondong Rd)	Australia	Record daily precipitation	36.8 mm (1.4 in)	55 of 100 (Notable)
Violet Town	Australia	Record daily precipitation	41.4 mm (1.6 in)	55 of 100 (Notable)
Boskoop	Netherlands	Record daily precipitation	58.0 mm (2.3 in)	55 of 100 (Notable)
Yarrangobilly Caves	Australia	Record daily precipitation	53.0 mm (2.1 in)	54 of 100 (Notable)
Shijiazhuang	China	Record daily precipitation	138.7 mm (5.5 in)	54 of 100 (Notable)
Cudlee Creek (Millbrook)	Australia	Record daily precipitation	60.8 mm (2.4 in)	53 of 100 (Notable)
Hano_A	Sweden	Record daily precipitation	26.1 mm (1.0 in)	53 of 100 (Notable)
Bumbaldry (Gold 'N' Grove)	Australia	Record daily precipitation	35.0 mm (1.4 in)	52 of 100 (Notable)
Sneek	Netherlands	Record daily precipitation	50.6 mm (2.0 in)	52 of 100 (Notable)
Lake Eildon	Australia	Record daily precipitation	35.6 mm (1.4 in)	51 of 100 (Notable)
Poronajsk	Russia	Record high maximum temperature	35.0 C (95.0 F)	51 of 100 (Notable)
Tvingelshed	Sweden	Record daily precipitation	39.3 mm (1.5 in)	51 of 100 (Notable)
Ockelbo	Sweden	Record daily precipitation	58.4 mm (2.3 in)	51 of 100 (Notable)
Schoondijke	Netherlands	Record daily precipitation	50.4 mm (2.0 in)	50 of 100 (Notable)
Rdam-Waalhaven	Netherlands	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Bowbells	United States	Record daily precipitation	48.3 mm (1.9 in)	49 of 100 (Notable)
Erick	United States	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Benambra (the Brothers)	Australia	Record daily precipitation	38.8 mm (1.5 in)	48 of 100 (Notable)
Taiyuan	China	Record daily precipitation	75.5 mm (3.0 in)	48 of 100 (Notable)
Poortugaal	Netherlands	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Bergschenhoek	Netherlands	Record daily precipitation	53.0 mm (2.1 in)	48 of 100 (Notable)
Batlow Post Office	Australia	Record daily precipitation	69.4 mm (2.7 in)	47 of 100 (Notable)
Koetong	Australia	Record daily precipitation	61.0 mm (2.4 in)	47 of 100 (Notable)
Tallangatta (Bullioh)	Australia	Record daily precipitation	42.8 mm (1.7 in)	47 of 100 (Notable)
Kaunas	Lithuania	Record daily precipitation	54.4 mm (2.1 in)	47 of 100 (Notable)
Mountainair	United States	Record daily precipitation	41.7 mm (1.6 in)	47 of 100 (Notable)
Archerton	Australia	Record daily precipitation	69.0 mm (2.7 in)	46 of 100 (Notable)
Chatom	United States	Record daily precipitation	73.7 mm (2.9 in)	46 of 100 (Notable)
Washington	United States	Record low minimum temperature	5.6 C (42.1 F)	46 of 100 (Notable)
Pokegama Dam	United States	Record daily precipitation	41.1 mm (1.6 in)	46 of 100 (Notable)
Torreon Navajo Mission	United States	Record daily precipitation	37.8 mm (1.5 in)	46 of 100 (Notable)
Dimmitt	United States	Record daily precipitation	80.3 mm (3.2 in)	46 of 100 (Notable)
Yackandandah	Australia	Record daily precipitation	55.0 mm (2.2 in)	45 of 100 (Notable)
Zegveld	Netherlands	Record daily precipitation	55.5 mm (2.2 in)	45 of 100 (Notable)
Crystal Springs Exp STN	United States	Record high minimum temperature	25.6 C (78.1 F)	45 of 100 (Notable)
Rugby (Carovale)	Australia	Record daily precipitation	29.4 mm (1.2 in)	44 of 100 (Notable)
Tumbarumba Post Office	Australia	Record daily precipitation	56.4 mm (2.2 in)	44 of 100 (Notable)
Misurata	Libya	Record high minimum temperature	28.5 C (83.3 F)	44 of 100 (Notable)
Sulphur Springs	United States	Record high minimum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Yannergee (Dobroyd)	Australia	Record daily precipitation	62.2 mm (2.4 in)	43 of 100 (Notable)
Highlands (Glentannar)	Australia	Record daily precipitation	42.2 mm (1.7 in)	43 of 100 (Notable)
Crookwell Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	42 of 100 (Notable)
Huntly	Australia	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Bullioh (Wood Hill)	Australia	Record daily precipitation	57.0 mm (2.2 in)	42 of 100 (Notable)
Jamieson	Australia	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)
Bogorodskoe	Russia	Record high minimum temperature	22.3 C (72.1 F)	42 of 100 (Notable)
Gunnarn	Sweden	Record daily precipitation	31.6 mm (1.2 in)	42 of 100 (Notable)
Pitea	Sweden	Record low minimum temperature	2.3 C (36.1 F)	42 of 100 (Notable)
Lyneham	United Kingdom	Record daily precipitation	32.2 mm (1.3 in)	42 of 100 (Notable)
Haverhill	United States	Record low minimum temperature	8.3 C (46.9 F)	42 of 100 (Notable)
Orange (McLaughlin St)	Australia	Record daily precipitation	28.0 mm (1.1 in)	41 of 100 (Notable)
Fairlight Station	Australia	Record daily precipitation	35.8 mm (1.4 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,370 records

Records set or tied on 9 August 1999 by type: Highest daily maximum 161, Lowest daily maximum 160, Highest daily minimum 281, Lowest daily minimum 152, Heaviest daily rainfall 616.

Records on 9 August 1999 by type
Record type	Records
Highest daily maximum	161
Lowest daily maximum	160
Highest daily minimum	281
Lowest daily minimum	152
Heaviest daily rainfall	616
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1999 by timescale: all-time 11, monthly 50, daily 1,309.

How Much Records Were Beaten By

1,076 broken records

Margins by which the 1,076 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 110.3. Ties are not counted.

Top 20 by Significance

9 August 1999

Top 20 records on 9 August 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1999	Corryong (Parish Lane), AU	daily rain	51.2 mm (2.0 in)	22.5 mm (0.9 in)	78 years	67 of 100 (Major)
9 August 1999	Tarcutta (Wollumbi), AU	daily rain	35.4 mm (1.4 in)	20.2 mm (0.8 in)	80 years	66 of 100 (Major)
9 August 1999	Kergunyah South, AU	daily rain	68.6 mm (2.7 in)	26.4 mm (1.0 in)	78 years	61 of 100 (Major)
9 August 1999	New Ulm 2 SE, US	daily rain	73.2 mm (2.9 in)	32.1 mm (1.3 in)	94 years	61 of 100 (Major)
9 August 1999	Harrietville, AU	daily rain	77.0 mm (3.0 in)	34.1 mm (1.3 in)	78 years	60 of 100 (Major)
9 August 1999	Ornskoldsvik, SE	daily rain	65.9 mm (2.6 in)	52.8 mm (2.1 in)	52 years	60 of 100 (Major)
9 August 1999	Barnawartha, AU	daily rain	35.4 mm (1.4 in)	18.6 mm (0.7 in)	56 years	57 of 100 (Notable)
9 August 1999	Omeo Shannon Vale, AU	daily rain	66.0 mm (2.6 in)	50.3 mm (2.0 in)	44 years	57 of 100 (Notable)
9 August 1999	Grenfell (Quondong Rd), AU	daily rain	36.8 mm (1.4 in)	25.9 mm (1.0 in)	30 years	55 of 100 (Notable)
9 August 1999	Violet Town, AU	daily rain	41.4 mm (1.6 in)	14.5 mm (0.6 in)	80 years	55 of 100 (Notable)
9 August 1999	Boskoop, NL	monthly rain	58.0 mm (2.3 in)	15.1 mm (0.6 in)	52 years	55 of 100 (Notable)
9 August 1999	Yarrangobilly Caves, AU	daily rain	53.0 mm (2.1 in)	20.7 mm (0.8 in)	80 years	54 of 100 (Notable)
9 August 1999	Shijiazhuang, CN	daily rain	138.7 mm (5.5 in)	110.3 mm (4.3 in)	36 years	54 of 100 (Notable)
9 August 1999	Cudlee Creek (Millbrook), AU	daily rain	60.8 mm (2.4 in)	28.5 mm (1.1 in)	30 years	53 of 100 (Notable)
9 August 1999	Hano_A, SE	daily rain	26.1 mm (1.0 in)	16.0 mm (0.6 in)	64 years	53 of 100 (Notable)
9 August 1999	Bumbaldry (Gold 'N' Grove), AU	daily rain	35.0 mm (1.4 in)	18.5 mm (0.7 in)	64 years	52 of 100 (Notable)
9 August 1999	Sneek, NL	monthly rain	50.6 mm (2.0 in)	14.4 mm (0.6 in)	45 years	52 of 100 (Notable)
9 August 1999	Lake Eildon, AU	daily rain	35.6 mm (1.4 in)	12.0 mm (0.5 in)	78 years	51 of 100 (Notable)
9 August 1999	Poronajsk, RU	monthly high max	35.0 C (95.0 F)	2.0 C (3.6 F)	90 years	51 of 100 (Notable)
9 August 1999	Tvingelshed, SE	daily rain	39.3 mm (1.5 in)	19.8 mm (0.8 in)	48 years	51 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

1798 to 1999

Records set or tied on this calendar date in each year from 1798 to 1999. 1999 had 1,370 records.

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

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1999-08-09: 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 20	1,035
20 to 40	32
40 to 60	7
60 to 80	1
80 to 100	0
100 to 120	1