Weather Records on 20 March 1999

793 weather records were set or tied worldwide on 20 March 1999. Highest significance: Wongan Hills, AU.

Key Facts for 20 March 1999

On 20 March 1999, 793 weather records were set or tied at long-record stations worldwide.
285 were record highs and 184 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 32 monthly and 757 daily.
Wongan Hills set a daily record precipitation of 60.6 mm (2.4 in) on 20 March 1999.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 453 records.

Record Map

793 stations

793 station records on 20 March 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wongan Hills	Australia	Record daily precipitation	60.6 mm (2.4 in)	73 of 100 (Major)
Willigulli North	Australia	Record daily precipitation	120.4 mm (4.7 in)	73 of 100 (Major)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	73.4 mm (2.9 in)	70 of 100 (Major)
Berkshire Valley	Australia	Record daily precipitation	49.6 mm (2.0 in)	69 of 100 (Major)
Newington	Australia	Record daily precipitation	66.0 mm (2.6 in)	69 of 100 (Major)
Lake Hinds	Australia	Record daily precipitation	66.2 mm (2.6 in)	68 of 100 (Major)
Manavi	Australia	Record daily precipitation	54.2 mm (2.1 in)	68 of 100 (Major)
Burakin	Australia	Record daily precipitation	84.4 mm (3.3 in)	68 of 100 (Major)
Moningarin	Australia	Record daily precipitation	65.0 mm (2.6 in)	66 of 100 (Major)
Dunolly	Australia	Record daily precipitation	52.0 mm (2.0 in)	63 of 100 (Major)
Green Grove	Australia	Record daily precipitation	91.4 mm (3.6 in)	61 of 100 (Major)
Elena	Australia	Record daily precipitation	92.0 mm (3.6 in)	60 of 100 (Major)
Konnongorring	Australia	Record daily precipitation	46.5 mm (1.8 in)	60 of 100 (Major)
Wialki North	Australia	Record daily precipitation	32.6 mm (1.3 in)	59 of 100 (Notable)
Leeton (Bents Hill)	Australia	Record daily precipitation	78.6 mm (3.1 in)	59 of 100 (Notable)
Wakool (Barratta)	Australia	Record daily precipitation	71.5 mm (2.8 in)	58 of 100 (Notable)
Walk Walkin	Australia	Record daily precipitation	49.6 mm (2.0 in)	57 of 100 (Notable)
Nabawa	Australia	Record daily precipitation	26.8 mm (1.1 in)	55 of 100 (Notable)
Beacon	Australia	Record daily precipitation	54.6 mm (2.1 in)	55 of 100 (Notable)
Bonnie Rock	Australia	Record daily precipitation	45.2 mm (1.8 in)	55 of 100 (Notable)
Stonington	United States	Record daily snowfall	30.0 cm (11.8 in)	55 of 100 (Notable)
Wongan Hills Res.Station	Australia	Record daily precipitation	60.8 mm (2.4 in)	54 of 100 (Notable)
Bullfinch	Australia	Record daily precipitation	34.0 mm (1.3 in)	54 of 100 (Notable)
Sunnyside	Australia	Record daily precipitation	55.0 mm (2.2 in)	54 of 100 (Notable)
Zapata 1 S	United States	Record daily precipitation	25.4 mm (1.0 in)	54 of 100 (Notable)
Coorow	Australia	Record daily precipitation	49.0 mm (1.9 in)	53 of 100 (Notable)
East Kondut	Australia	Record daily precipitation	76.0 mm (3.0 in)	53 of 100 (Notable)
Dalwallinu North	Australia	Record daily precipitation	56.4 mm (2.2 in)	52 of 100 (Notable)
Walebing	Australia	Record daily precipitation	45.2 mm (1.8 in)	51 of 100 (Notable)
Jurien Bay	Australia	Record daily precipitation	50.4 mm (2.0 in)	51 of 100 (Notable)
Wialki South	Australia	Record daily precipitation	61.0 mm (2.4 in)	51 of 100 (Notable)
Cold Bay AP	United States	Record snow depth	61.0 cm (24.0 in)	51 of 100 (Notable)
Round Hill	Australia	Record daily precipitation	50.0 mm (2.0 in)	50 of 100 (Notable)
Jourerdine	Australia	Record daily precipitation	48.4 mm (1.9 in)	50 of 100 (Notable)
Wanganella (Zara)	Australia	Record daily precipitation	53.6 mm (2.1 in)	50 of 100 (Notable)
Wialki	Australia	Record daily precipitation	47.4 mm (1.9 in)	49 of 100 (Notable)
Stonington	United States	Record daily precipitation	29.0 mm (1.1 in)	49 of 100 (Notable)
Piawaning	Australia	Record daily precipitation	46.0 mm (1.8 in)	48 of 100 (Notable)
Ora Banda	Australia	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Port Sudan	Sudan	Record high maximum temperature	40.0 C (104.0 F)	48 of 100 (Notable)
Balgerbine	Australia	Record daily precipitation	61.2 mm (2.4 in)	47 of 100 (Notable)
Mathoura State Forest	Australia	Record daily precipitation	98.0 mm (3.9 in)	47 of 100 (Notable)
Venustiano Carranza	Mexico	Record daily precipitation	26.9 mm (1.1 in)	47 of 100 (Notable)
Yathroo	Australia	Record daily precipitation	40.0 mm (1.6 in)	46 of 100 (Notable)
Badgingarra Research STN	Australia	Record daily precipitation	74.0 mm (2.9 in)	44 of 100 (Notable)
Badgingarra	Australia	Record daily precipitation	70.0 mm (2.8 in)	44 of 100 (Notable)
Trayning	Australia	Record daily precipitation	37.0 mm (1.5 in)	44 of 100 (Notable)
Nikolskoye/Beringa Ostrov	Russia	Record low maximum temperature	-10.6 C (12.9 F)	44 of 100 (Notable)
Glenferrie	Australia	Record daily precipitation	63.0 mm (2.5 in)	43 of 100 (Notable)
Canaan Farm	Australia	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Beaconsfield	Australia	Record daily precipitation	68.0 mm (2.7 in)	43 of 100 (Notable)
Dongara	Australia	Record daily precipitation	48.0 mm (1.9 in)	42 of 100 (Notable)
Mukinbudin	Australia	Record daily precipitation	36.0 mm (1.4 in)	42 of 100 (Notable)
Beria	Australia	Record daily precipitation	40.0 mm (1.6 in)	42 of 100 (Notable)
Yelbeni	Australia	Record daily precipitation	47.2 mm (1.9 in)	42 of 100 (Notable)
Indarrie	Australia	Record daily precipitation	53.0 mm (2.1 in)	41 of 100 (Notable)
Howatharra	Australia	Record daily precipitation	72.0 mm (2.8 in)	41 of 100 (Notable)
Mogumber Farm	Australia	Record daily precipitation	26.4 mm (1.0 in)	41 of 100 (Notable)
Calingiri	Australia	Record daily precipitation	32.6 mm (1.3 in)	41 of 100 (Notable)
New Norcia	Australia	Record daily precipitation	35.0 mm (1.4 in)	40 of 100 (Notable)

Counts by Type and Timescale

793 records

Records set or tied on 20 March 1999 by type: Highest daily maximum 198, Lowest daily maximum 105, Highest daily minimum 87, Lowest daily minimum 79, Heaviest daily rainfall 305, Heaviest daily snowfall 4, Deepest snow cover 15.

Records on 20 March 1999 by type
Record type	Records
Highest daily maximum	198
Lowest daily maximum	105
Highest daily minimum	87
Lowest daily minimum	79
Heaviest daily rainfall	305
Heaviest daily snowfall	4
Deepest snow cover	15

Records on 20 March 1999 by timescale: all-time 4, monthly 32, daily 757.

How Much Records Were Beaten By

648 broken records

Margins by which the 648 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 458.0. Ties are not counted.

Top 20 by Significance

20 March 1999

Top 20 records on 20 March 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 1999	Wongan Hills, AU	daily rain	60.6 mm (2.4 in)	45.9 mm (1.8 in)	81 years	73 of 100 (Major)
20 March 1999	Willigulli North, AU	all-time rain	120.4 mm (4.7 in)	23.4 mm (0.9 in)	75 years	73 of 100 (Major)
20 March 1999	Deniliquin (Wilkinson St), AU	daily rain	73.4 mm (2.9 in)	53.6 mm (2.1 in)	68 years	70 of 100 (Major)
20 March 1999	Berkshire Valley, AU	daily rain	49.6 mm (2.0 in)	39.4 mm (1.6 in)	72 years	69 of 100 (Major)
20 March 1999	Newington, AU	daily rain	66.0 mm (2.6 in)	50.5 mm (2.0 in)	72 years	69 of 100 (Major)
20 March 1999	Lake Hinds, AU	daily rain	66.2 mm (2.6 in)	48.9 mm (1.9 in)	72 years	68 of 100 (Major)
20 March 1999	Manavi, AU	daily rain	54.2 mm (2.1 in)	39.0 mm (1.5 in)	81 years	68 of 100 (Major)
20 March 1999	Burakin, AU	daily rain	84.4 mm (3.3 in)	73.0 mm (2.9 in)	72 years	68 of 100 (Major)
20 March 1999	Moningarin, AU	daily rain	65.0 mm (2.6 in)	47.2 mm (1.9 in)	72 years	66 of 100 (Major)
20 March 1999	Dunolly, AU	daily rain	52.0 mm (2.0 in)	36.8 mm (1.4 in)	72 years	63 of 100 (Major)
20 March 1999	Green Grove, AU	monthly rain	91.4 mm (3.6 in)	52.8 mm (2.1 in)	23 years	61 of 100 (Major)
20 March 1999	Elena, AU	daily rain	92.0 mm (3.6 in)	83.9 mm (3.3 in)	50 years	60 of 100 (Major)
20 March 1999	Konnongorring, AU	daily rain	46.5 mm (1.8 in)	28.5 mm (1.1 in)	72 years	60 of 100 (Major)
20 March 1999	Wialki North, AU	daily rain	32.6 mm (1.3 in)	28.3 mm (1.1 in)	56 years	59 of 100 (Notable)
20 March 1999	Leeton (Bents Hill), AU	daily rain	78.6 mm (3.1 in)	56.2 mm (2.2 in)	46 years	59 of 100 (Notable)
20 March 1999	Wakool (Barratta), AU	monthly rain	71.5 mm (2.8 in)	11.3 mm (0.4 in)	93 years	58 of 100 (Notable)
20 March 1999	Walk Walkin, AU	daily rain	49.6 mm (2.0 in)	25.7 mm (1.0 in)	81 years	57 of 100 (Notable)
20 March 1999	Nabawa, AU	daily rain	26.8 mm (1.1 in)	20.2 mm (0.8 in)	78 years	55 of 100 (Notable)
20 March 1999	Beacon, AU	daily rain	54.6 mm (2.1 in)	36.3 mm (1.4 in)	56 years	55 of 100 (Notable)
20 March 1999	Bonnie Rock, AU	daily rain	45.2 mm (1.8 in)	32.2 mm (1.3 in)	41 years	55 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

1808 to 1999

Records set or tied on this calendar date in each year from 1808 to 1999. 1999 had 793 records.

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

Records on 03-20 in each year
Year	Records
1808	3
1818	1
1822	2
1830	1
1834	1
1838	1
1845	1
1849	3
1850	1
1852	1
1853	1
1858	1
1862	1
1865	11
1866	1
1870	1
1872	2
1873	1
1874	2
1875	2
1876	2
1879	2
1881	2
1882	2
1883	1
1884	2
1885	3
1886	2
1887	3
1888	5
1889	5
1890	1
1892	1
1893	2
1894	5
1895	2
1896	5
1897	2
1898	5
1899	9
1900	8
1901	6
1902	13
1903	34
1904	12
1905	6
1906	16
1907	17
1908	4
1909	6
1910	20
1911	35
1912	12
1913	42
1914	51
1915	22
1916	46
1917	49
1918	40
1919	31
1920	52
1921	93
1922	49
1923	275
1924	76
1925	121
1926	103
1927	298
1928	258
1929	56
1930	86
1931	492
1932	117
1933	354
1934	243
1935	408
1936	245
1937	220
1938	394
1939	240
1940	486
1941	390
1942	325
1943	378
1944	611
1945	636
1946	435
1947	299
1948	697
1949	352
1950	367
1951	788
1952	589
1953	350
1954	303
1955	719
1956	527
1957	516
1958	467
1959	293
1960	594
1961	332
1962	363
1963	447
1964	525
1965	2,020
1966	367
1967	784
1968	819
1969	374
1970	912
1971	377
1972	635
1973	422
1974	755
1975	932
1976	989
1977	352
1978	863
1979	712
1980	458
1981	712
1982	1,189
1983	1,179
1984	775
1985	636
1986	666
1987	867
1988	1,044
1989	793
1990	1,496
1991	1,205
1992	654
1993	1,014
1994	1,040
1995	857
1996	1,147
1997	1,801
1998	963
1999	793
2000	894
2001	1,048
2002	1,698
2003	1,166
2004	1,701
2005	602
2006	1,353
2007	1,053
2008	993
2009	445
2010	1,264
2011	1,003
2012	3,051
2013	762
2014	800
2015	521
2016	450
2017	1,331
2018	587
2019	530
2020	1,006
2021	487
2022	667
2023	975
2024	520
2025	848
2026	3,126

Download the Data

Data for records on 1999-03-20: 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	643
100 to 200	1
200 to 300	3
300 to 400	0
400 to 500	1