Weather Records on 9 October 1999

1,017 weather records were set or tied worldwide on 9 October 1999. Highest significance: Morgan City, US.

Key Facts for 9 October 1999

On 9 October 1999, 1,017 weather records were set or tied at long-record stations worldwide.
499 were record highs and 79 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 35 monthly and 982 daily.
Morgan City set a daily record precipitation of 175.0 mm (6.9 in) on 9 October 1999.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 464 records.

Record Map

1,017 stations

1,017 station records on 9 October 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 October 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Morgan City	United States	Record daily precipitation	175.0 mm (6.9 in)	77 of 100 (Major)
Pascagoula 3 NE	United States	Record daily precipitation	153.4 mm (6.0 in)	75 of 100 (Major)
Henderson 8 SSW	United States	Record daily precipitation	89.4 mm (3.5 in)	74 of 100 (Major)
Columbia	United States	Record daily precipitation	114.3 mm (4.5 in)	64 of 100 (Major)
Woodbury	United States	Record daily precipitation	73.9 mm (2.9 in)	62 of 100 (Major)
Blytheville	United States	Record daily precipitation	145.5 mm (5.7 in)	58 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high minimum temperature	21.0 C (69.8 F)	57 of 100 (Notable)
Leakesville 6 WSW	United States	Record daily precipitation	95.0 mm (3.7 in)	57 of 100 (Notable)
Marianna 2 S	United States	Record daily precipitation	113.5 mm (4.5 in)	56 of 100 (Notable)
Akroken	Sweden	Record daily precipitation	35.1 mm (1.4 in)	55 of 100 (Notable)
Keiser	United States	Record daily precipitation	132.6 mm (5.2 in)	55 of 100 (Notable)
Bogalusa	United States	Record daily precipitation	186.7 mm (7.4 in)	55 of 100 (Notable)
Bay Minette	United States	Record daily precipitation	80.0 mm (3.1 in)	52 of 100 (Notable)
Boonville 1S	United States	Record daily precipitation	85.9 mm (3.4 in)	52 of 100 (Notable)
Richfield	United States	Record daily precipitation	51.8 mm (2.0 in)	52 of 100 (Notable)
Covington 8 WNW	United States	Record daily precipitation	137.2 mm (5.4 in)	52 of 100 (Notable)
Houma	United States	Record daily precipitation	99.8 mm (3.9 in)	52 of 100 (Notable)
Shubuta	United States	Record daily precipitation	99.1 mm (3.9 in)	52 of 100 (Notable)
Caruthersville	United States	Record daily precipitation	95.3 mm (3.8 in)	50 of 100 (Notable)
Vevay	United States	Record daily precipitation	53.3 mm (2.1 in)	49 of 100 (Notable)
Madisonville	United States	Record daily precipitation	74.9 mm (2.9 in)	49 of 100 (Notable)
Donaldsonville 4 SW	United States	Record daily precipitation	98.8 mm (3.9 in)	49 of 100 (Notable)
Ruhnu	Latvia	Record daily precipitation	32.6 mm (1.3 in)	48 of 100 (Notable)
Elkhart	United States	Record daily precipitation	35.8 mm (1.4 in)	48 of 100 (Notable)
Dalyup Park	Australia	Record daily precipitation	44.2 mm (1.7 in)	47 of 100 (Notable)
Bardstown 5E	United States	Record daily precipitation	57.7 mm (2.3 in)	47 of 100 (Notable)
Los Hules	Mexico	Record daily precipitation	145.0 mm (5.7 in)	46 of 100 (Notable)
Martinez de la Torre (Dge)	Mexico	Record daily precipitation	240.5 mm (9.5 in)	46 of 100 (Notable)
Wynne	United States	Record daily precipitation	120.1 mm (4.7 in)	46 of 100 (Notable)
Mammoth Cave	United States	Record daily precipitation	74.7 mm (2.9 in)	46 of 100 (Notable)
Munfordville 5 NW	United States	Record daily precipitation	47.2 mm (1.9 in)	46 of 100 (Notable)
Charleston	United States	Record daily precipitation	78.5 mm (3.1 in)	46 of 100 (Notable)
Beaver Dam	United States	Record daily precipitation	85.1 mm (3.4 in)	45 of 100 (Notable)
San Augustine	United States	Record daily precipitation	58.7 mm (2.3 in)	45 of 100 (Notable)
Fulton	United States	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Cambridge	United States	Record high minimum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Beaver	United States	Record daily precipitation	36.8 mm (1.4 in)	44 of 100 (Notable)
Melbourne Regional Office	Australia	Record high minimum temperature	18.9 C (66.0 F)	43 of 100 (Notable)
Frontera Amatenango	Mexico	Record daily precipitation	121.9 mm (4.8 in)	43 of 100 (Notable)
Robe Comparison	Australia	Record high minimum temperature	17.5 C (63.5 F)	42 of 100 (Notable)
Cynthiana	United States	Record daily precipitation	48.0 mm (1.9 in)	42 of 100 (Notable)
Dundee 2NE	United States	Record daily precipitation	47.2 mm (1.9 in)	42 of 100 (Notable)
Buffalo	United States	Record high minimum temperature	9.4 C (48.9 F)	42 of 100 (Notable)
London Corbin AP	United States	Record daily precipitation	58.9 mm (2.3 in)	42 of 100 (Notable)
Gomel	Belarus	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Terrerillos	Mexico	Record daily precipitation	225.8 mm (8.9 in)	41 of 100 (Notable)
Georgetown Wtr Wks	United States	Record daily precipitation	51.1 mm (2.0 in)	41 of 100 (Notable)
Hodgenville Lincoln P	United States	Record daily precipitation	63.5 mm (2.5 in)	41 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record high maximum temperature	35.8 C (96.4 F)	40 of 100 (Notable)
Apizaco	Mexico	Record daily precipitation	41.9 mm (1.6 in)	40 of 100 (Notable)
Shenkursk	Russia	Record high maximum temperature	15.8 C (60.4 F)	40 of 100 (Notable)
Cherdyn'	Russia	Record high minimum temperature	9.0 C (48.2 F)	40 of 100 (Notable)
Atmore	United States	Record daily precipitation	42.4 mm (1.7 in)	40 of 100 (Notable)
Martin U of T Branch Exp STN	United States	Record daily precipitation	78.7 mm (3.1 in)	40 of 100 (Notable)
Indal_D	Sweden	Record daily precipitation	28.8 mm (1.1 in)	39 of 100 (Notable)
Greensboro	United States	Record daily precipitation	36.6 mm (1.4 in)	39 of 100 (Notable)
Olmsted L&D	United States	Record daily precipitation	55.4 mm (2.2 in)	39 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	79.8 mm (3.1 in)	39 of 100 (Notable)
Barren Rvr Lake	United States	Record daily precipitation	66.5 mm (2.6 in)	39 of 100 (Notable)
Hammond	United States	Record daily precipitation	95.3 mm (3.8 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,017 records

Records set or tied on 9 October 1999 by type: Highest daily maximum 211, Lowest daily maximum 38, Highest daily minimum 288, Lowest daily minimum 41, Heaviest daily rainfall 437, Deepest snow cover 2.

Records on 9 October 1999 by type
Record type	Records
Highest daily maximum	211
Lowest daily maximum	38
Highest daily minimum	288
Lowest daily minimum	41
Heaviest daily rainfall	437
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 9 October 1999 by timescale: all-time 0, monthly 35, daily 982.

How Much Records Were Beaten By

824 broken records

Margins by which the 824 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 189.4. Ties are not counted.

Top 20 by Significance

9 October 1999

Top 20 records on 9 October 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 October 1999	Morgan City, US	daily rain	175.0 mm (6.9 in)	114.0 mm (4.5 in)	93 years	77 of 100 (Major)
9 October 1999	Pascagoula 3 NE, US	daily rain	153.4 mm (6.0 in)	131.3 mm (5.2 in)	89 years	75 of 100 (Major)
9 October 1999	Henderson 8 SSW, US	daily rain	89.4 mm (3.5 in)	51.3 mm (2.0 in)	80 years	74 of 100 (Major)
9 October 1999	Columbia, US	daily rain	114.3 mm (4.5 in)	63.8 mm (2.5 in)	72 years	64 of 100 (Major)
9 October 1999	Woodbury, US	daily rain	73.9 mm (2.9 in)	36.3 mm (1.4 in)	80 years	62 of 100 (Major)
9 October 1999	Blytheville, US	monthly rain	145.5 mm (5.7 in)	55.3 mm (2.2 in)	18 years	58 of 100 (Notable)
9 October 1999	Cape Otway Lighthouse, AU	daily high min	21.0 C (69.8 F)	4.9 C (8.8 F)	96 years	57 of 100 (Notable)
9 October 1999	Leakesville 6 WSW, US	daily rain	95.0 mm (3.7 in)	41.7 mm (1.6 in)	93 years	57 of 100 (Notable)
9 October 1999	Marianna 2 S, US	daily rain	113.5 mm (4.5 in)	68.3 mm (2.7 in)	28 years	56 of 100 (Notable)
9 October 1999	Akroken, SE	daily rain	35.1 mm (1.4 in)	26.1 mm (1.0 in)	38 years	55 of 100 (Notable)
9 October 1999	Keiser, US	monthly rain	132.6 mm (5.2 in)	50.3 mm (2.0 in)	9 years	55 of 100 (Notable)
9 October 1999	Bogalusa, US	monthly rain	186.7 mm (7.4 in)	41.2 mm (1.6 in)	62 years	55 of 100 (Notable)
9 October 1999	Bay Minette, US	daily rain	80.0 mm (3.1 in)	46.0 mm (1.8 in)	84 years	52 of 100 (Notable)
9 October 1999	Boonville 1S, US	monthly rain	85.9 mm (3.4 in)	3.6 mm (0.14 in)	100 years	52 of 100 (Notable)
9 October 1999	Richfield, US	daily rain	51.8 mm (2.0 in)	41.6 mm (1.6 in)	28 years	52 of 100 (Notable)
9 October 1999	Covington 8 WNW, US	daily rain	137.2 mm (5.4 in)	31.3 mm (1.2 in)	93 years	52 of 100 (Notable)
9 October 1999	Houma, US	daily rain	99.8 mm (3.9 in)	57.1 mm (2.2 in)	64 years	52 of 100 (Notable)
9 October 1999	Shubuta, US	daily rain	99.1 mm (3.9 in)	56.9 mm (2.2 in)	36 years	52 of 100 (Notable)
9 October 1999	Caruthersville, US	daily rain	95.3 mm (3.8 in)	23.7 mm (0.9 in)	84 years	50 of 100 (Notable)
9 October 1999	Vevay, US	daily rain	53.3 mm (2.1 in)	19.0 mm (0.7 in)	88 years	49 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

1793 to 1999

Records set or tied on this calendar date in each year from 1793 to 1999. 1999 had 1,017 records.

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

Records on 10-09 in each year
Year	Records
1793	1
1795	1
1802	1
1834	1
1837	1
1846	2
1847	1
1854	2
1858	1
1861	1
1864	2
1865	3
1866	1
1867	2
1869	1
1870	2
1875	1
1876	2
1877	2
1879	2
1881	1
1882	1
1884	1
1885	1
1886	1
1887	2
1888	6
1889	1
1890	1
1891	1
1893	5
1895	7
1896	4
1897	1
1898	3
1899	5
1900	5
1901	2
1902	3
1903	15
1904	8
1905	14
1906	29
1907	6
1908	19
1909	34
1910	20
1911	16
1912	23
1913	57
1914	22
1915	25
1916	126
1917	65
1918	16
1919	68
1920	36
1921	217
1922	40
1923	72
1924	95
1925	272
1926	123
1927	107
1928	290
1929	196
1930	276
1931	298
1932	271
1933	187
1934	298
1935	208
1936	569
1937	405
1938	462
1939	877
1940	119
1941	570
1942	330
1943	442
1944	144
1945	539
1946	317
1947	277
1948	438
1949	1,531
1950	618
1951	347
1952	658
1953	343
1954	341
1955	643
1956	468
1957	256
1958	639
1959	1,432
1960	397
1961	622
1962	508
1963	474
1964	841
1965	349
1966	489
1967	347
1968	538
1969	389
1970	1,805
1971	423
1972	371
1973	1,454
1974	513
1975	552
1976	1,448
1977	586
1978	589
1979	914
1980	627
1981	653
1982	1,579
1983	548
1984	579
1985	1,724
1986	556
1987	850
1988	1,060
1989	679
1990	1,714
1991	707
1992	1,050
1993	1,043
1994	772
1995	1,139
1996	1,047
1997	2,113
1998	622
1999	1,017
2000	3,177
2001	855
2002	701
2003	1,386
2004	665
2005	807
2006	640
2007	1,450
2008	473
2009	1,772
2010	1,311
2011	1,046
2012	706
2013	562
2014	652
2015	780
2016	463
2017	1,457
2018	1,290
2019	964
2020	738
2021	751
2022	696
2023	643
2024	963
2025	503
2026	691

Download the Data

Data for records on 1999-10-09: 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 25	737
25 to 50	64
50 to 75	16
75 to 100	2
100 to 125	3
125 to 150	1
150 to 175	0
175 to 200	1