Weather Records on 3 September 1999

1,520 weather records were set or tied worldwide on 3 September 1999. Highest significance: Lusk 2 SW, US.

Key Facts for 3 September 1999

On 3 September 1999, 1,520 weather records were set or tied at long-record stations worldwide.
671 were record highs and 476 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 165 monthly and 1,351 daily.
Lusk 2 SW set a daily record precipitation of 47.0 mm (1.9 in) on 3 September 1999.
Across 170 earlier years (1811 to 2026) the same calendar date averaged 432 records.

Record Map

1,520 stations

1,520 station records on 3 September 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 September 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lusk 2 SW	United States	Record daily precipitation	47.0 mm (1.9 in)	75 of 100 (Major)
Ft Pierre 17 WSW	United States	Record daily precipitation	111.3 mm (4.4 in)	63 of 100 (Major)
Forman 5 SSE	United States	Record daily precipitation	62.2 mm (2.4 in)	62 of 100 (Major)
Darlington Point (Tubbo)	Australia	Record daily precipitation	65.0 mm (2.6 in)	57 of 100 (Notable)
Cedar Butte	United States	Record daily precipitation	32.0 mm (1.3 in)	57 of 100 (Notable)
Leola	United States	Record daily precipitation	58.9 mm (2.3 in)	56 of 100 (Notable)
Kettle Falls	United States	Record daily precipitation	58.4 mm (2.3 in)	55 of 100 (Notable)
Chadron 3SW	United States	Record daily precipitation	38.1 mm (1.5 in)	55 of 100 (Notable)
Philip AP	United States	Record daily precipitation	28.4 mm (1.1 in)	55 of 100 (Notable)
Oakes	United States	Record daily precipitation	66.0 mm (2.6 in)	54 of 100 (Notable)
Oahe Dam	United States	Record daily precipitation	63.8 mm (2.5 in)	54 of 100 (Notable)
Rothsay	United States	Record daily precipitation	48.5 mm (1.9 in)	53 of 100 (Notable)
Mc Leod 3 E	United States	Record daily precipitation	56.9 mm (2.2 in)	53 of 100 (Notable)
Cottonwood 2 E	United States	Record daily precipitation	30.5 mm (1.2 in)	52 of 100 (Notable)
Vanersborg	Sweden	Record high minimum temperature	16.5 C (61.7 F)	51 of 100 (Notable)
Britton	United States	Record daily precipitation	63.2 mm (2.5 in)	51 of 100 (Notable)
Douglas 1 SE	United States	Record daily precipitation	34.3 mm (1.4 in)	50 of 100 (Notable)
Bijie	China	Record daily precipitation	75.4 mm (3.0 in)	49 of 100 (Notable)
Tg Jiu	Romania	Record daily precipitation	39.6 mm (1.6 in)	48 of 100 (Notable)
Power 6 SE	United States	Record daily precipitation	25.1 mm (1.0 in)	48 of 100 (Notable)
Verona	United States	Record daily precipitation	69.1 mm (2.7 in)	48 of 100 (Notable)
New Raymer	United States	Record daily precipitation	58.9 mm (2.3 in)	47 of 100 (Notable)
Maxwell 3 NW	United States	Record daily precipitation	39.4 mm (1.6 in)	47 of 100 (Notable)
Ada	United States	Record daily precipitation	57.2 mm (2.3 in)	46 of 100 (Notable)
Harrisburg 12WNW	United States	Record daily precipitation	27.9 mm (1.1 in)	46 of 100 (Notable)
Mountainair	United States	Record daily precipitation	29.5 mm (1.2 in)	46 of 100 (Notable)
Ashley	United States	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Mundaring	Australia	Record daily precipitation	39.8 mm (1.6 in)	45 of 100 (Notable)
Byron Bay (Cape Byron Lighthou	Australia	Record daily precipitation	46.5 mm (1.8 in)	45 of 100 (Notable)
Carapan	Mexico	Record daily precipitation	152.1 mm (6.0 in)	45 of 100 (Notable)
Manderson 3 NE	United States	Record daily precipitation	25.4 mm (1.0 in)	45 of 100 (Notable)
Highmore 23 N	United States	Record daily precipitation	50.3 mm (2.0 in)	44 of 100 (Notable)
Midland	United States	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Onaka	United States	Record daily precipitation	136.1 mm (5.4 in)	44 of 100 (Notable)
Valentine Miller Fld AP	United States	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Bannister	Australia	Record daily precipitation	27.8 mm (1.1 in)	43 of 100 (Notable)
Roros	Norway	Record high minimum temperature	14.0 C (57.2 F)	43 of 100 (Notable)
Chaffee 5 NE	United States	Record daily precipitation	56.6 mm (2.2 in)	43 of 100 (Notable)
Enderlin 2W	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Varfu Omul	Romania	Record daily precipitation	38.7 mm (1.5 in)	42 of 100 (Notable)
Osawatomie	United States	Record daily precipitation	83.1 mm (3.3 in)	42 of 100 (Notable)
Valentine	United States	Record low maximum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
White Sands Natl Mon	United States	Record daily precipitation	50.0 mm (2.0 in)	42 of 100 (Notable)
Dickinson Exp STN	United States	Record low maximum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
Fullerton 1 ESE	United States	Record low maximum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
La Moure	United States	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Renovo	United States	Record high maximum temperature	34.4 C (93.9 F)	42 of 100 (Notable)
Howard	United States	Record daily precipitation	98.3 mm (3.9 in)	42 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record high minimum temperature	18.4 C (65.1 F)	41 of 100 (Notable)
Presque Isle	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
El Zapote	Mexico	Record high minimum temperature	28.3 C (82.9 F)	40 of 100 (Notable)
Uppsala_Aut	Sweden	Record high minimum temperature	18.2 C (64.8 F)	40 of 100 (Notable)
Thorhult	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Riverside 7 SSW	United States	Record low minimum temperature	-3.3 C (26.1 F)	40 of 100 (Notable)
Interior 3 NE	United States	Record daily precipitation	38.6 mm (1.5 in)	40 of 100 (Notable)
Mellette 4 W	United States	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Ojo de Agua	Mexico	Record low minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Collbran	United States	Record low maximum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Houma	United States	Record low maximum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Webster	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,520 records

Records set or tied on 3 September 1999 by type: Highest daily maximum 343, Lowest daily maximum 330, Highest daily minimum 328, Lowest daily minimum 146, Heaviest daily rainfall 372, Deepest snow cover 1.

Records on 3 September 1999 by type
Record type	Records
Highest daily maximum	343
Lowest daily maximum	330
Highest daily minimum	328
Lowest daily minimum	146
Heaviest daily rainfall	372
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 3 September 1999 by timescale: all-time 4, monthly 165, daily 1,351.

How Much Records Were Beaten By

1,221 broken records

Margins by which the 1,221 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 63.5. Ties are not counted.

Top 20 by Significance

3 September 1999

Top 20 records on 3 September 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 September 1999	Lusk 2 SW, US	daily rain	47.0 mm (1.9 in)	31.8 mm (1.3 in)	84 years	75 of 100 (Major)
3 September 1999	Ft Pierre 17 WSW, US	all-time rain	111.3 mm (4.4 in)	28.7 mm (1.1 in)	35 years	63 of 100 (Major)
3 September 1999	Forman 5 SSE, US	daily rain	62.2 mm (2.4 in)	32.2 mm (1.3 in)	72 years	62 of 100 (Major)
3 September 1999	Darlington Point (Tubbo), AU	monthly rain	65.0 mm (2.6 in)	19.3 mm (0.8 in)	28 years	57 of 100 (Notable)
3 September 1999	Cedar Butte, US	daily rain	32.0 mm (1.3 in)	20.1 mm (0.8 in)	77 years	57 of 100 (Notable)
3 September 1999	Leola, US	daily rain	58.9 mm (2.3 in)	40.1 mm (1.6 in)	25 years	56 of 100 (Notable)
3 September 1999	Kettle Falls, US	daily rain	58.4 mm (2.3 in)	39.1 mm (1.5 in)	45 years	55 of 100 (Notable)
3 September 1999	Chadron 3SW, US	daily rain	38.1 mm (1.5 in)	24.4 mm (1.0 in)	60 years	55 of 100 (Notable)
3 September 1999	Philip AP, US	daily rain	28.4 mm (1.1 in)	24.6 mm (1.0 in)	56 years	55 of 100 (Notable)
3 September 1999	Oakes, US	daily rain	66.0 mm (2.6 in)	48.2 mm (1.9 in)	25 years	54 of 100 (Notable)
3 September 1999	Oahe Dam, US	daily rain	63.8 mm (2.5 in)	40.4 mm (1.6 in)	36 years	54 of 100 (Notable)
3 September 1999	Rothsay, US	daily rain	48.5 mm (1.9 in)	40.4 mm (1.6 in)	36 years	53 of 100 (Notable)
3 September 1999	Mc Leod 3 E, US	daily rain	56.9 mm (2.2 in)	22.6 mm (0.9 in)	78 years	53 of 100 (Notable)
3 September 1999	Cottonwood 2 E, US	daily rain	30.5 mm (1.2 in)	16.3 mm (0.6 in)	86 years	52 of 100 (Notable)
3 September 1999	Vanersborg, SE	monthly high min	16.5 C (61.7 F)	0.5 C (0.9 F)	100 years	51 of 100 (Notable)
3 September 1999	Britton, US	daily rain	63.2 mm (2.5 in)	38.8 mm (1.5 in)	8 years	51 of 100 (Notable)
3 September 1999	Douglas 1 SE, US	daily rain	34.3 mm (1.4 in)	17.8 mm (0.7 in)	56 years	50 of 100 (Notable)
3 September 1999	Bijie, CN	daily rain	75.4 mm (3.0 in)	45.5 mm (1.8 in)	16 years	49 of 100 (Notable)
3 September 1999	Tg Jiu, RO	daily rain	39.6 mm (1.6 in)	19.6 mm (0.8 in)	74 years	48 of 100 (Notable)
3 September 1999	Power 6 SE, US	daily rain	25.1 mm (1.0 in)	20.5 mm (0.8 in)	36 years	48 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

1811 to 1999

Records set or tied on this calendar date in each year from 1811 to 1999. 1999 had 1,520 records.

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

Records on 09-03 in each year
Year	Records
1811	1
1823	1
1835	1
1843	1
1844	1
1846	1
1847	2
1849	1
1851	1
1852	1
1853	1
1854	1
1856	2
1861	1
1862	1
1865	1
1867	1
1868	1
1869	1
1871	2
1872	1
1873	1
1874	2
1875	1
1876	1
1877	3
1878	3
1880	4
1882	1
1884	1
1885	3
1886	3
1887	2
1888	1
1889	1
1890	2
1891	4
1892	4
1894	3
1895	8
1896	1
1897	3
1898	8
1899	1
1900	3
1901	3
1902	3
1903	4
1904	12
1905	22
1906	14
1907	13
1908	10
1909	22
1910	28
1911	87
1912	76
1913	21
1914	14
1915	20
1916	32
1917	20
1918	135
1919	68
1920	65
1921	116
1922	51
1923	134
1924	189
1925	290
1926	225
1927	67
1928	302
1929	431
1930	120
1931	429
1932	411
1933	270
1934	587
1935	453
1936	342
1937	774
1938	336
1939	656
1940	213
1941	406
1942	451
1943	286
1944	282
1945	404
1946	524
1947	1,515
1948	453
1949	281
1950	654
1951	455
1952	823
1953	846
1954	350
1955	492
1956	482
1957	315
1958	539
1959	380
1960	462
1961	996
1962	415
1963	295
1964	422
1965	472
1966	387
1967	901
1968	378
1969	516
1970	566
1971	570
1972	691
1973	766
1974	2,122
1975	530
1976	795
1977	542
1978	635
1979	755
1980	517
1981	518
1982	699
1983	947
1984	838
1985	983
1986	735
1987	666
1988	1,224
1989	723
1990	773
1991	782
1992	1,127
1993	1,226
1994	1,249
1995	1,409
1996	683
1997	1,274
1998	1,333
1999	1,520
2000	1,722
2001	799
2002	605
2003	1,259
2004	704
2005	727
2006	1,512
2007	1,032
2008	1,183
2009	801
2010	1,204
2011	1,252
2012	944
2013	694
2014	535
2015	760
2016	833
2017	1,122
2018	680
2019	644
2020	756
2021	493
2022	1,587
2023	969
2024	851
2025	533
2026	1,240

Download the Data

Data for records on 1999-09-03: 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	1,119
10 to 20	57
20 to 30	21
30 to 40	15
40 to 50	8
50 to 60	0
60 to 70	1