Weather Records on 18 November 1999

853 weather records were set or tied worldwide on 18 November 1999. Highest significance: Aibonito 1 S, PR.

Key Facts for 18 November 1999

On 18 November 1999, 853 weather records were set or tied at long-record stations worldwide.
554 were record highs and 119 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 833 daily.
Aibonito 1 S set a daily record precipitation of 104.1 mm (4.1 in) on 18 November 1999.
Across 165 earlier years (1793 to 2025) the same calendar date averaged 446 records.

Record Map

853 stations

853 station records on 18 November 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 November 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	104.1 mm (4.1 in)	73 of 100 (Major)
Jayuya	Puerto Rico [United States]	Record daily precipitation	106.4 mm (4.2 in)	73 of 100 (Major)
Lead	United States	Record daily precipitation	31.0 mm (1.2 in)	55 of 100 (Notable)
Penedo	Brazil	Record daily precipitation	60.0 mm (2.4 in)	49 of 100 (Notable)
Gurabo Substn	Puerto Rico [United States]	Record daily precipitation	121.2 mm (4.8 in)	48 of 100 (Notable)
South Pass City	United States	Record high maximum temperature	15.0 C (59.0 F)	46 of 100 (Notable)
Cerro Maravilla	Puerto Rico [United States]	Record daily precipitation	101.6 mm (4.0 in)	43 of 100 (Notable)
Wamsutter	United States	Record high maximum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Meeker	United States	Record high maximum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Lead	United States	Record daily snowfall	25.9 cm (10.2 in)	42 of 100 (Notable)
Lake Yellowstone	United States	Record high maximum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Centre Island	Australia	Record daily precipitation	62.0 mm (2.4 in)	41 of 100 (Notable)
Juncos 1 SE	Puerto Rico [United States]	Record daily precipitation	54.6 mm (2.1 in)	41 of 100 (Notable)
Arhangelsk	Russia	Record low minimum temperature	-25.0 C (-13.0 F)	41 of 100 (Notable)
Whiteriver 1 SW	United States	Record high maximum temperature	27.2 C (81.0 F)	41 of 100 (Notable)
Hay Springs	United States	Record high maximum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Kadoka	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Old Faithful	United States	Record high maximum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Hohenpeissenberg	Germany	Record snow depth	36.0 cm (14.2 in)	40 of 100 (Notable)
Lees Ferry	United States	Record high maximum temperature	26.1 C (79.0 F)	40 of 100 (Notable)
Luverne	United States	Record high maximum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Blackville 3 W	United States	Record low minimum temperature	-5.6 C (21.9 F)	40 of 100 (Notable)
Miami	United States	Record high minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Collbran	United States	Record high maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Greensburg	United States	Record high maximum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Lincoln 1 SE	United States	Record high maximum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Ness City	United States	Record high maximum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Lusk 2 SW	United States	Record high maximum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Kellerberrin	Australia	Record low minimum temperature	5.0 C (41.0 F)	38 of 100 (Notable)
Leroy 5 WSW	United States	Record high maximum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Wray	United States	Record high maximum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Gage AP	United States	Record high maximum temperature	28.3 C (82.9 F)	38 of 100 (Notable)
Huautla	Mexico	Record low maximum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record high maximum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Garnett 1 E	United States	Record high minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Larned	United States	Record high maximum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Billings Wtp	United States	Record high minimum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
David City 4E	United States	Record high minimum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
First Connecticut Lake	United States	Record snow depth	43.2 cm (17.0 in)	37 of 100 (Notable)
Farson 2NNE	United States	Record high maximum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Newcastle	United States	Record high maximum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Jajome Alto	Puerto Rico [United States]	Record daily precipitation	84.6 mm (3.3 in)	36 of 100 (Notable)
Alton 1 W	United States	Record high maximum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Steelville 2 N	United States	Record high maximum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Miami	United States	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Ticuman	Mexico	Record high maximum temperature	40.0 C (104.0 F)	35 of 100 (Notable)
Bell Ranch	United States	Record high minimum temperature	9.4 C (48.9 F)	35 of 100 (Notable)
Daly Waters	Australia	Record daily precipitation	42.0 mm (1.7 in)	34 of 100 (Routine)
Embrun	France	Record daily precipitation	29.4 mm (1.2 in)	34 of 100 (Routine)
Holton	United States	Record high maximum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Mtn Park	United States	Record high minimum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Mittiebah	Australia	Record daily precipitation	30.8 mm (1.2 in)	32 of 100 (Routine)
Esmeralda Station	Australia	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Santa Rosa de Lima (Camboata)	Brazil	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)
Mulege	Mexico	Record high maximum temperature	33.9 C (93.0 F)	32 of 100 (Routine)
Ciudad Serdan (Smn)	Mexico	Record low minimum temperature	-3.3 C (26.1 F)	32 of 100 (Routine)
Paonia 1SW	United States	Record high minimum temperature	3.9 C (39.0 F)	32 of 100 (Routine)
Ft Duchesne	United States	Record high maximum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Tremonton	United States	Record high maximum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Thermopolis	United States	Record high minimum temperature	3.9 C (39.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

853 records

Records set or tied on 18 November 1999 by type: Highest daily maximum 393, Lowest daily maximum 40, Highest daily minimum 161, Lowest daily minimum 79, Heaviest daily rainfall 109, Heaviest daily snowfall 8, Deepest snow cover 63.

Records on 18 November 1999 by type
Record type	Records
Highest daily maximum	393
Lowest daily maximum	40
Highest daily minimum	161
Lowest daily minimum	79
Heaviest daily rainfall	109
Heaviest daily snowfall	8
Deepest snow cover	63

Records on 18 November 1999 by timescale: all-time 0, monthly 20, daily 833.

How Much Records Were Beaten By

636 broken records

Margins by which the 636 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

18 November 1999

Top 20 records on 18 November 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 November 1999	Aibonito 1 S, PR	daily rain	104.1 mm (4.1 in)	68.3 mm (2.7 in)	81 years	73 of 100 (Major)
18 November 1999	Jayuya, PR	daily rain	106.4 mm (4.2 in)	61.9 mm (2.4 in)	81 years	73 of 100 (Major)
18 November 1999	Lead, US	daily rain	31.0 mm (1.2 in)	12.2 mm (0.5 in)	88 years	55 of 100 (Notable)
18 November 1999	Penedo, BR	daily rain	60.0 mm (2.4 in)	53.2 mm (2.1 in)	10 years	49 of 100 (Notable)
18 November 1999	Gurabo Substn, PR	daily rain	121.2 mm (4.8 in)	93.3 mm (3.7 in)	13 years	48 of 100 (Notable)
18 November 1999	South Pass City, US	daily high max	15.0 C (59.0 F)	5.0 C (9.0 F)	94 years	46 of 100 (Notable)
18 November 1999	Cerro Maravilla, PR	daily rain	101.6 mm (4.0 in)	70.6 mm (2.8 in)	12 years	43 of 100 (Notable)
18 November 1999	Wamsutter, US	daily high max	17.2 C (63.0 F)	2.8 C (5.0 F)	99 years	43 of 100 (Notable)
18 November 1999	Meeker, US	daily high max	21.1 C (70.0 F)	2.8 C (5.0 F)	94 years	42 of 100 (Notable)
18 November 1999	Lead, US	daily snowfall	25.9 cm (10.2 in)	5.6 cm (2.2 in)	88 years	42 of 100 (Notable)
18 November 1999	Lake Yellowstone, US	daily high max	11.7 C (53.1 F)	3.4 C (6.1 F)	90 years	42 of 100 (Notable)
18 November 1999	Centre Island, AU	daily rain	62.0 mm (2.4 in)	56.8 mm (2.2 in)	14 years	41 of 100 (Notable)
18 November 1999	Juncos 1 SE, PR	daily rain	54.6 mm (2.1 in)	29.7 mm (1.2 in)	68 years	41 of 100 (Notable)
18 November 1999	Arhangelsk, RU	daily low min	-25.0 C (-13.0 F)	0.9 C (1.6 F)	108 years	41 of 100 (Notable)
18 November 1999	Whiteriver 1 SW, US	daily high max	27.2 C (81.0 F)	2.8 C (5.0 F)	86 years	41 of 100 (Notable)
18 November 1999	Hay Springs, US	daily high max	26.1 C (79.0 F)	3.3 C (5.9 F)	90 years	41 of 100 (Notable)
18 November 1999	Kadoka, US	daily snowfall	5.1 cm (2.0 in)	3.8 cm (1.5 in)	84 years	41 of 100 (Notable)
18 November 1999	Old Faithful, US	daily high max	12.2 C (54.0 F)	2.8 C (5.0 F)	90 years	41 of 100 (Notable)
18 November 1999	Hohenpeissenberg, DE	daily snow depth	36.0 cm (14.2 in)	6.0 cm (2.4 in)	84 years	40 of 100 (Notable)
18 November 1999	Lees Ferry, US	daily high max	26.1 C (79.0 F)	4.4 C (7.9 F)	76 years	40 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 853 records.

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

Records on 11-18 in each year
Year	Records
1793	2
1795	2
1805	1
1816	1
1823	1
1827	1
1829	2
1835	2
1838	1
1840	1
1845	1
1846	1
1847	1
1852	1
1856	2
1865	1
1869	1
1873	1
1875	2
1878	1
1879	1
1880	5
1881	2
1882	1
1883	1
1884	1
1885	3
1887	3
1888	2
1889	3
1890	3
1891	3
1892	2
1893	5
1894	3
1895	2
1896	5
1897	7
1898	2
1899	4
1900	16
1901	4
1902	12
1903	13
1904	19
1905	12
1906	24
1907	15
1908	10
1909	14
1910	7
1911	41
1912	81
1913	57
1914	77
1915	22
1916	30
1917	33
1918	61
1919	71
1920	27
1921	109
1922	36
1923	96
1924	191
1925	254
1926	270
1927	310
1928	319
1929	355
1930	471
1931	325
1932	347
1933	310
1934	574
1935	105
1936	362
1937	432
1938	328
1939	195
1940	241
1941	959
1942	575
1943	490
1944	265
1945	260
1946	707
1947	368
1948	363
1949	462
1950	416
1951	981
1952	479
1953	731
1954	339
1955	709
1956	269
1957	1,055
1958	1,219
1959	1,165
1960	507
1961	714
1962	488
1963	563
1964	986
1965	452
1966	273
1967	419
1968	502
1969	540
1970	296
1971	666
1972	478
1973	582
1974	643
1975	520
1976	605
1977	626
1978	960
1979	449
1980	1,771
1981	789
1982	559
1983	601
1984	612
1985	1,531
1986	1,334
1987	660
1988	416
1989	1,261
1990	534
1991	719
1992	764
1993	880
1994	1,103
1995	1,683
1996	1,289
1997	1,049
1998	1,016
1999	853
2000	1,621
2001	1,116
2002	848
2003	1,227
2004	1,169
2005	773
2006	755
2007	963
2008	1,346
2009	802
2010	668
2011	688
2012	520
2013	683
2014	2,530
2015	1,733
2016	1,157
2017	632
2018	646
2019	793
2020	1,618
2021	268
2022	1,287
2023	536
2024	576
2025	576

Download the Data

Data for records on 1999-11-18: 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	590
20 to 40	29
40 to 60	9
60 to 80	6
80 to 100	1
100 to 120	1