Weather Records on 18 March 2020

672 weather records were set or tied worldwide on 18 March 2020. Highest significance: Seymour 3NW, US.

Key Facts for 18 March 2020

On 18 March 2020, 672 weather records were set or tied at long-record stations worldwide.
312 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 22 monthly and 648 daily.
Seymour 3NW set a daily record precipitation of 61.2 mm (2.4 in) on 18 March 2020.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 476 records.

Record Map

672 stations

672 station records on 18 March 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Seymour 3NW	United States	Record daily precipitation	61.2 mm (2.4 in)	76 of 100 (Major)
Altay	China	Record daily precipitation	59.9 mm (2.4 in)	73 of 100 (Major)
Cedarville	United States	Record daily snowfall	22.9 cm (9.0 in)	71 of 100 (Major)
Fuyun	China	Record daily precipitation	80.0 mm (3.1 in)	66 of 100 (Major)
Fall Rvr Mills	United States	Record daily precipitation	40.4 mm (1.6 in)	64 of 100 (Major)
Cedarville	United States	Record snow depth	22.9 cm (9.0 in)	63 of 100 (Major)
Koloa 936	United States	Record daily precipitation	66.8 mm (2.6 in)	61 of 100 (Major)
Mahaulepu 941.1	United States	Record daily precipitation	72.6 mm (2.9 in)	61 of 100 (Major)
Foresthill Rs	United States	Record daily precipitation	150.1 mm (5.9 in)	59 of 100 (Notable)
Princeville Rch 1117	United States	Record daily precipitation	111.0 mm (4.4 in)	58 of 100 (Notable)
Brydeswood STN 985	United States	Record daily precipitation	122.9 mm (4.8 in)	57 of 100 (Notable)
Plainview	United States	Record daily precipitation	57.4 mm (2.3 in)	56 of 100 (Notable)
Northcliffe	Australia	Record daily precipitation	42.0 mm (1.7 in)	53 of 100 (Notable)
Adin Rs	United States	Record daily precipitation	25.4 mm (1.0 in)	53 of 100 (Notable)
Eleele 927	United States	Record daily precipitation	160.5 mm (6.3 in)	53 of 100 (Notable)
Moanalua 770	United States	Record daily precipitation	67.8 mm (2.7 in)	53 of 100 (Notable)
Wahiawa 930	United States	Record daily precipitation	147.3 mm (5.8 in)	53 of 100 (Notable)
Floydada 9SE	United States	Record daily precipitation	53.3 mm (2.1 in)	52 of 100 (Notable)
Guthrie	United States	Record daily precipitation	60.5 mm (2.4 in)	51 of 100 (Notable)
Jayton	United States	Record daily precipitation	28.7 mm (1.1 in)	50 of 100 (Notable)
Aparan	Armenia	Record daily precipitation	44.5 mm (1.8 in)	49 of 100 (Notable)
Guilin	China	Record daily precipitation	61.0 mm (2.4 in)	49 of 100 (Notable)
Portal 4 SW	United States	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Sasabe	United States	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Benbrook Dam	United States	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Crosbyton	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Pitchfork Rch	United States	Record daily precipitation	67.6 mm (2.7 in)	49 of 100 (Notable)
Antelope	United States	Record daily precipitation	48.0 mm (1.9 in)	48 of 100 (Notable)
Oguzeli	Turkey	Record daily precipitation	39.1 mm (1.5 in)	47 of 100 (Notable)
Ft Lewis	United States	Record daily snowfall	30.5 cm (12.0 in)	47 of 100 (Notable)
Diyarbakir	Turkey	Record daily precipitation	43.4 mm (1.7 in)	46 of 100 (Notable)
Marlow 1 WSW	United States	Record daily precipitation	44.5 mm (1.8 in)	46 of 100 (Notable)
Aibonito 1 S	Puerto Rico [United States]	Record high minimum temperature	19.4 C (66.9 F)	45 of 100 (Notable)
Floydada	United States	Record daily precipitation	47.0 mm (1.9 in)	45 of 100 (Notable)
Arlington Six Flags	United States	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Dumont	United States	Record daily precipitation	57.9 mm (2.3 in)	43 of 100 (Notable)
Socorro	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Littlefield	United States	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Des Moines Intl AP	United States	Record daily precipitation	38.6 mm (1.5 in)	42 of 100 (Notable)
Auburn	United States	Record low minimum temperature	-1.1 C (30.0 F)	41 of 100 (Notable)
Manzanita Lake	United States	Record daily snowfall	35.6 cm (14.0 in)	41 of 100 (Notable)
Ojai	United States	Record low minimum temperature	-1.7 C (28.9 F)	41 of 100 (Notable)
Xenia 6 SSE	United States	Record daily precipitation	32.5 mm (1.3 in)	41 of 100 (Notable)
Brady	United States	Record high minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Burleson	United States	Record daily precipitation	70.4 mm (2.8 in)	41 of 100 (Notable)
Turkey	United States	Record daily precipitation	49.5 mm (1.9 in)	41 of 100 (Notable)
Waipahu 750	United States	Record daily precipitation	37.8 mm (1.5 in)	41 of 100 (Notable)
Akron Canton AP	United States	Record daily precipitation	41.1 mm (1.6 in)	41 of 100 (Notable)
Hobart Muni AP	United States	Record daily precipitation	58.4 mm (2.3 in)	40 of 100 (Notable)
Tizi Ouzou	Algeria	Record high minimum temperature	13.6 C (56.5 F)	39 of 100 (Notable)
Heber (Black Mesa) Rs	United States	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Gold Run 4 SW	United States	Record snow depth	55.9 cm (22.0 in)	39 of 100 (Notable)
Apache	United States	Record daily precipitation	37.6 mm (1.5 in)	38 of 100 (Notable)
Albany	United States	Record daily precipitation	47.0 mm (1.9 in)	38 of 100 (Notable)
El Indio 7ESE	United States	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Auburn	United States	Record low maximum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Buckhorn	United States	Record daily snowfall	20.3 cm (8.0 in)	37 of 100 (Notable)
Frisco	United States	Record daily precipitation	99.6 mm (3.9 in)	37 of 100 (Notable)
S Kona 2 2.32	United States	Record daily precipitation	54.4 mm (2.1 in)	37 of 100 (Notable)
Casa Grande Nm	United States	Record low maximum temperature	11.7 C (53.1 F)	36 of 100 (Notable)

Counts by Type and Timescale

672 records

Records set or tied on 18 March 2020 by type: Highest daily maximum 74, Lowest daily maximum 53, Highest daily minimum 238, Lowest daily minimum 36, Heaviest daily rainfall 230, Heaviest daily snowfall 23, Deepest snow cover 18.

Records on 18 March 2020 by type
Record type	Records
Highest daily maximum	74
Lowest daily maximum	53
Highest daily minimum	238
Lowest daily minimum	36
Heaviest daily rainfall	230
Heaviest daily snowfall	23
Deepest snow cover	18

Records on 18 March 2020 by timescale: all-time 2, monthly 22, daily 648.

How Much Records Were Beaten By

558 broken records

Margins by which the 558 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 440.0. Ties are not counted.

Top 20 by Significance

18 March 2020

Top 20 records on 18 March 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 2020	Seymour 3NW, US	daily rain	61.2 mm (2.4 in)	39.6 mm (1.6 in)	96 years	76 of 100 (Major)
18 March 2020	Altay, CN	all-time rain	59.9 mm (2.4 in)	18.7 mm (0.7 in)	26 years	73 of 100 (Major)
18 March 2020	Cedarville, US	daily snowfall	22.9 cm (9.0 in)	15.3 cm (6.0 in)	122 years	71 of 100 (Major)
18 March 2020	Fuyun, CN	all-time rain	80.0 mm (3.1 in)	20.1 mm (0.8 in)	0 years	66 of 100 (Major)
18 March 2020	Fall Rvr Mills, US	daily rain	40.4 mm (1.6 in)	32.0 mm (1.3 in)	53 years	64 of 100 (Major)
18 March 2020	Cedarville, US	daily snow depth	22.9 cm (9.0 in)	20.4 cm (8.0 in)	57 years	63 of 100 (Major)
18 March 2020	Koloa 936, US	daily rain	66.8 mm (2.6 in)	48.8 mm (1.9 in)	79 years	61 of 100 (Major)
18 March 2020	Mahaulepu 941.1, US	daily rain	72.6 mm (2.9 in)	55.8 mm (2.2 in)	73 years	61 of 100 (Major)
18 March 2020	Foresthill Rs, US	daily rain	150.1 mm (5.9 in)	122.9 mm (4.8 in)	37 years	59 of 100 (Notable)
18 March 2020	Princeville Rch 1117, US	daily rain	111.0 mm (4.4 in)	72.4 mm (2.9 in)	57 years	58 of 100 (Notable)
18 March 2020	Brydeswood STN 985, US	daily rain	122.9 mm (4.8 in)	79.0 mm (3.1 in)	40 years	57 of 100 (Notable)
18 March 2020	Plainview, US	daily rain	57.4 mm (2.3 in)	41.1 mm (1.6 in)	21 years	56 of 100 (Notable)
18 March 2020	Northcliffe, AU	daily rain	42.0 mm (1.7 in)	33.4 mm (1.3 in)	17 years	53 of 100 (Notable)
18 March 2020	Adin Rs, US	daily rain	25.4 mm (1.0 in)	16.8 mm (0.7 in)	25 years	53 of 100 (Notable)
18 March 2020	Eleele 927, US	daily rain	160.5 mm (6.3 in)	147.3 mm (5.8 in)	23 years	53 of 100 (Notable)
18 March 2020	Moanalua 770, US	daily rain	67.8 mm (2.7 in)	37.3 mm (1.5 in)	57 years	53 of 100 (Notable)
18 March 2020	Wahiawa 930, US	daily rain	147.3 mm (5.8 in)	138.7 mm (5.5 in)	23 years	53 of 100 (Notable)
18 March 2020	Floydada 9SE, US	daily rain	53.3 mm (2.1 in)	31.7 mm (1.2 in)	41 years	52 of 100 (Notable)
18 March 2020	Guthrie, US	daily rain	60.5 mm (2.4 in)	42.7 mm (1.7 in)	21 years	51 of 100 (Notable)
18 March 2020	Jayton, US	daily rain	28.7 mm (1.1 in)	14.7 mm (0.6 in)	106 years	50 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 2020

Records set or tied on this calendar date in each year from 1806 to 2020. 2020 had 672 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 2020-03-18: 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	544
100 to 200	11
200 to 300	1
300 to 400	0
400 to 500	2