Weather Records on 18 March 1999

1,051 weather records were set or tied worldwide on 18 March 1999. Highest significance: Bell Ranch, US.

Key Facts for 18 March 1999

On 18 March 1999, 1,051 weather records were set or tied at long-record stations worldwide.
322 were record highs and 278 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 36 monthly and 1,012 daily.
Bell Ranch set a daily record snowfall of 20.3 cm (8.0 in) on 18 March 1999.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 474 records.

Record Map

1,051 stations

1,051 station records on 18 March 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bell Ranch	United States	Record daily snowfall	20.3 cm (8.0 in)	75 of 100 (Major)
Clovis	United States	Record daily precipitation	34.3 mm (1.4 in)	71 of 100 (Major)
Portales	United States	Record daily precipitation	37.6 mm (1.5 in)	71 of 100 (Major)
Santa Rosa	United States	Record daily snowfall	15.5 cm (6.1 in)	71 of 100 (Major)
Melrose	United States	Record daily snowfall	11.4 cm (4.5 in)	65 of 100 (Major)
Sandia Park	United States	Record daily snowfall	30.5 cm (12.0 in)	60 of 100 (Major)
Santa Rosa	United States	Record daily precipitation	28.7 mm (1.1 in)	60 of 100 (Major)
Muleshoe #1	United States	Record daily precipitation	28.4 mm (1.1 in)	59 of 100 (Notable)
Newkirk	United States	Record daily snowfall	12.7 cm (5.0 in)	57 of 100 (Notable)
Roy	United States	Record daily snowfall	17.8 cm (7.0 in)	57 of 100 (Notable)
Tatum	United States	Record daily precipitation	33.8 mm (1.3 in)	57 of 100 (Notable)
Conlen	United States	Record daily snowfall	22.9 cm (9.0 in)	56 of 100 (Notable)
Plains	United States	Record daily precipitation	70.4 mm (2.8 in)	56 of 100 (Notable)
Graham	United States	Record daily precipitation	46.2 mm (1.8 in)	53 of 100 (Notable)
Levelland	United States	Record daily precipitation	33.0 mm (1.3 in)	53 of 100 (Notable)
Cold Bay AP	United States	Record daily snowfall	18.0 cm (7.1 in)	53 of 100 (Notable)
Guadalupe Buenavista	Mexico	Record daily precipitation	31.8 mm (1.3 in)	52 of 100 (Notable)
Kenton	United States	Record daily precipitation	25.4 mm (1.0 in)	52 of 100 (Notable)
Tower 2S	United States	Record daily snowfall	12.7 cm (5.0 in)	51 of 100 (Notable)
Elida	United States	Record daily snowfall	7.6 cm (3.0 in)	51 of 100 (Notable)
Portales	United States	Record daily snowfall	12.4 cm (4.9 in)	50 of 100 (Notable)
Abbott 1 SE	United States	Record daily snowfall	17.8 cm (7.0 in)	49 of 100 (Notable)
Golden	United States	Record snow depth	25.4 cm (10.0 in)	49 of 100 (Notable)
Warrenton 3 SE	United States	Record high minimum temperature	12.8 C (55.0 F)	49 of 100 (Notable)
Wichita Falls Muni AP	United States	Record daily precipitation	45.2 mm (1.8 in)	49 of 100 (Notable)
Friona	United States	Record daily snowfall	7.6 cm (3.0 in)	48 of 100 (Notable)
Hartley 4 ESE	United States	Record daily snowfall	5.1 cm (2.0 in)	48 of 100 (Notable)
Tahoka	United States	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Lower Light	Australia	Record daily precipitation	29.6 mm (1.2 in)	47 of 100 (Notable)
Newkirk	United States	Record daily precipitation	28.7 mm (1.1 in)	47 of 100 (Notable)
Sandia Park	United States	Record daily precipitation	26.4 mm (1.0 in)	47 of 100 (Notable)
Lamesa 1 SSE	United States	Record daily precipitation	36.8 mm (1.4 in)	47 of 100 (Notable)
Hellinikon	Greece	Record daily precipitation	98.5 mm (3.9 in)	46 of 100 (Notable)
Tucumcari 4 NE	United States	Record daily snowfall	12.7 cm (5.0 in)	46 of 100 (Notable)
Jacksboro	United States	Record daily precipitation	62.7 mm (2.5 in)	46 of 100 (Notable)
Morton	United States	Record daily precipitation	49.0 mm (1.9 in)	46 of 100 (Notable)
Elida	United States	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Elk	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Crowell	United States	Record daily precipitation	43.7 mm (1.7 in)	45 of 100 (Notable)
Pirlangimpi	Australia	Record daily precipitation	114.0 mm (4.5 in)	44 of 100 (Notable)
Cottonwood 2NW	United States	Record daily precipitation	69.9 mm (2.8 in)	44 of 100 (Notable)
Ft Sumner 5 S	United States	Record daily precipitation	27.7 mm (1.1 in)	43 of 100 (Notable)
Ragland 3 SSW	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Friona	United States	Record daily precipitation	27.2 mm (1.1 in)	43 of 100 (Notable)
Kurrowah	Australia	Record daily precipitation	44.0 mm (1.7 in)	42 of 100 (Notable)
Springer	United States	Record daily snowfall	17.8 cm (7.0 in)	42 of 100 (Notable)
Tucumcari 4 NE	United States	Record snow depth	12.7 cm (5.0 in)	42 of 100 (Notable)
Kenton	United States	Record snow depth	25.4 cm (10.0 in)	42 of 100 (Notable)
Conlen	United States	Record daily precipitation	28.4 mm (1.1 in)	42 of 100 (Notable)
Seminole	United States	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Capitan	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Jemez Springs	United States	Record daily snowfall	17.8 cm (7.0 in)	41 of 100 (Notable)
Haskell	United States	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Bell Ranch	United States	Record snow depth	20.3 cm (8.0 in)	40 of 100 (Notable)
Capitan	United States	Record low maximum temperature	-0.6 C (30.9 F)	40 of 100 (Notable)
Clovis	United States	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Elk	United States	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Carta Valley	United States	Record daily precipitation	44.7 mm (1.8 in)	40 of 100 (Notable)
Water Valley 11 NNE	United States	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
Palo Verde	Mexico	Record high maximum temperature	38.3 C (100.9 F)	39 of 100 (Notable)

Counts by Type and Timescale

1,051 records

Records set or tied on 18 March 1999 by type: Highest daily maximum 201, Lowest daily maximum 137, Highest daily minimum 121, Lowest daily minimum 141, Heaviest daily rainfall 343, Heaviest daily snowfall 54, Deepest snow cover 54.

Records on 18 March 1999 by type
Record type	Records
Highest daily maximum	201
Lowest daily maximum	137
Highest daily minimum	121
Lowest daily minimum	141
Heaviest daily rainfall	343
Heaviest daily snowfall	54
Deepest snow cover	54

Records on 18 March 1999 by timescale: all-time 3, monthly 36, daily 1,012.

How Much Records Were Beaten By

893 broken records

Margins by which the 893 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 600.0. Ties are not counted.

Top 20 by Significance

18 March 1999

Top 20 records on 18 March 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1999	Bell Ranch, US	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	98 years	75 of 100 (Major)
18 March 1999	Clovis, US	daily rain	34.3 mm (1.4 in)	30.5 mm (1.2 in)	74 years	71 of 100 (Major)
18 March 1999	Portales, US	daily rain	37.6 mm (1.5 in)	33.3 mm (1.3 in)	74 years	71 of 100 (Major)
18 March 1999	Santa Rosa, US	daily snowfall	15.5 cm (6.1 in)	15.5 cm (6.1 in)	84 years	71 of 100 (Major)
18 March 1999	Melrose, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	89 years	65 of 100 (Major)
18 March 1999	Sandia Park, US	daily snowfall	30.5 cm (12.0 in)	28.0 cm (11.0 in)	50 years	60 of 100 (Major)
18 March 1999	Santa Rosa, US	daily rain	28.7 mm (1.1 in)	22.1 mm (0.9 in)	54 years	60 of 100 (Major)
18 March 1999	Muleshoe #1, US	daily rain	28.4 mm (1.1 in)	27.6 mm (1.1 in)	48 years	59 of 100 (Notable)
18 March 1999	Newkirk, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	72 years	57 of 100 (Notable)
18 March 1999	Roy, US	daily snowfall	17.8 cm (7.0 in)	15.3 cm (6.0 in)	68 years	57 of 100 (Notable)
18 March 1999	Tatum, US	daily rain	33.8 mm (1.3 in)	23.6 mm (0.9 in)	74 years	57 of 100 (Notable)
18 March 1999	Conlen, US	monthly snowfall	22.9 cm (9.0 in)	12.7 cm (5.0 in)	55 years	56 of 100 (Notable)
18 March 1999	Plains, US	monthly rain	70.4 mm (2.8 in)	17.1 mm (0.7 in)	69 years	56 of 100 (Notable)
18 March 1999	Graham, US	daily rain	46.2 mm (1.8 in)	27.9 mm (1.1 in)	65 years	53 of 100 (Notable)
18 March 1999	Levelland, US	daily rain	33.0 mm (1.3 in)	27.7 mm (1.1 in)	20 years	53 of 100 (Notable)
18 March 1999	Cold Bay AP, US	daily snowfall	18.0 cm (7.1 in)	13.7 cm (5.4 in)	29 years	53 of 100 (Notable)
18 March 1999	Guadalupe Buenavista, MX	daily rain	31.8 mm (1.3 in)	30.5 mm (1.2 in)	32 years	52 of 100 (Notable)
18 March 1999	Kenton, US	daily rain	25.4 mm (1.0 in)	15.5 mm (0.6 in)	65 years	52 of 100 (Notable)
18 March 1999	Tower 2S, US	daily snowfall	12.7 cm (5.0 in)	5.1 cm (2.0 in)	100 years	51 of 100 (Notable)
18 March 1999	Elida, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	88 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

1806 to 1999

Records set or tied on this calendar date in each year from 1806 to 1999. 1999 had 1,051 records.

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

Records on 03-18 in each year
Year	Records
1806	1
1807	1
1808	1
1810	1
1814	1
1831	1
1836	1
1839	1
1845	1
1849	1
1850	5
1853	2
1859	1
1863	1
1865	2
1867	1
1868	3
1876	1
1881	1
1882	3
1884	3
1885	1
1887	1
1888	4
1890	3
1891	3
1892	2
1893	1
1894	1
1895	2
1896	10
1897	14
1898	5
1899	8
1900	14
1901	2
1902	9
1903	22
1904	9
1905	19
1906	13
1907	11
1908	8
1909	9
1910	12
1911	17
1912	16
1913	24
1914	32
1915	30
1916	73
1917	45
1918	32
1919	25
1920	39
1921	66
1922	39
1923	262
1924	96
1925	145
1926	251
1927	376
1928	301
1929	106
1930	261
1931	167
1932	212
1933	244
1934	375
1935	87
1936	699
1937	296
1938	304
1939	750
1940	444
1941	954
1942	382
1943	603
1944	321
1945	751
1946	492
1947	328
1948	296
1949	292
1950	1,042
1951	582
1952	474
1953	218
1954	355
1955	469
1956	363
1957	374
1958	347
1959	392
1960	585
1961	579
1962	284
1963	665
1964	348
1965	1,584
1966	540
1967	1,396
1968	915
1969	601
1970	533
1971	405
1972	1,028
1973	716
1974	694
1975	614
1976	538
1977	684
1978	1,003
1979	894
1980	588
1981	570
1982	1,284
1983	1,225
1984	446
1985	731
1986	626
1987	933
1988	1,001
1989	1,147
1990	1,478
1991	706
1992	789
1993	1,683
1994	960
1995	833
1996	518
1997	1,024
1998	1,144
1999	1,051
2000	524
2001	841
2002	1,562
2003	1,425
2004	1,232
2005	1,178
2006	551
2007	1,330
2008	1,066
2009	776
2010	678
2011	993
2012	3,348
2013	783
2014	701
2015	943
2016	675
2017	1,183
2018	921
2019	666
2020	672
2021	562
2022	476
2023	890
2024	843
2025	728
2026	2,870

Download the Data

Data for records on 1999-03-18: 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 100	866
100 to 200	21
200 to 300	5
300 to 400	0
400 to 500	0
500 to 600	1