Weather Records on 18 March 1951

582 weather records were set or tied worldwide on 18 March 1951. Highest significance: W Pt, US.

Key Facts for 18 March 1951

On 18 March 1951, 582 weather records were set or tied at long-record stations worldwide.
51 were record highs and 174 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 8 monthly and 572 daily.
W Pt set a daily record snow depth of 20.3 cm (8.0 in) on 18 March 1951.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 477 records.

Record Map

582 stations

582 station records on 18 March 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
W Pt	United States	Record snow depth	20.3 cm (8.0 in)	61 of 100 (Major)
Sibley	United States	Record daily snowfall	20.3 cm (8.0 in)	58 of 100 (Notable)
Storm Lake	United States	Record snow depth	45.7 cm (18.0 in)	57 of 100 (Notable)
Northwood	United States	Record daily snowfall	26.7 cm (10.5 in)	55 of 100 (Notable)
Hampton	United States	Record daily snowfall	15.7 cm (6.2 in)	53 of 100 (Notable)
Pearl River	United States	Record daily precipitation	99.1 mm (3.9 in)	52 of 100 (Notable)
Pokegama Dam	United States	Record daily snowfall	19.1 cm (7.5 in)	51 of 100 (Notable)
Inwood 2 SW	United States	Record daily snowfall	17.8 cm (7.0 in)	50 of 100 (Notable)
Osage	United States	Record daily snowfall	25.4 cm (10.0 in)	50 of 100 (Notable)
Hartington	United States	Record daily snowfall	27.9 cm (11.0 in)	50 of 100 (Notable)
Nieuwejaarsfontein	South Africa	Record daily precipitation	104.9 mm (4.1 in)	49 of 100 (Notable)
Sheldon	United States	Record daily snowfall	19.8 cm (7.8 in)	49 of 100 (Notable)
Bird Island	United States	Record daily snowfall	25.4 cm (10.0 in)	49 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record daily snowfall	30.5 cm (12.0 in)	49 of 100 (Notable)
Waseca S Rsch & Outreach Ctr	United States	Record daily precipitation	48.3 mm (1.9 in)	48 of 100 (Notable)
Eau Claire	United States	Record daily snowfall	30.5 cm (12.0 in)	47 of 100 (Notable)
Hammond	United States	Record daily precipitation	109.5 mm (4.3 in)	46 of 100 (Notable)
Montevideo 1SW	United States	Record daily snowfall	26.7 cm (10.5 in)	46 of 100 (Notable)
Stanley Wwtp	United States	Record daily snowfall	19.8 cm (7.8 in)	46 of 100 (Notable)
Mt Mee	Australia	Record daily precipitation	135.9 mm (5.4 in)	45 of 100 (Notable)
Sanborn	United States	Record daily snowfall	25.4 cm (10.0 in)	45 of 100 (Notable)
Maple Plain	United States	Record daily snowfall	30.5 cm (12.0 in)	44 of 100 (Notable)
Winona	United States	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Medford	United States	Record daily snowfall	27.9 cm (11.0 in)	44 of 100 (Notable)
Medford	United States	Record daily precipitation	29.0 mm (1.1 in)	43 of 100 (Notable)
Burlington Muni AP	United States	Record snow depth	20.3 cm (8.0 in)	43 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record high minimum temperature	9.5 C (49.1 F)	42 of 100 (Notable)
Farmington 3NW	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
Pine Rvr Dam	United States	Record daily snowfall	17.8 cm (7.0 in)	42 of 100 (Notable)
Natchez	United States	Record daily precipitation	85.3 mm (3.4 in)	42 of 100 (Notable)
Keosauqua	United States	Record snow depth	27.9 cm (11.0 in)	41 of 100 (Notable)
Darlington	Australia	Record daily precipitation	79.8 mm (3.1 in)	40 of 100 (Notable)
Paoli	United States	Record daily precipitation	57.2 mm (2.3 in)	40 of 100 (Notable)
Bay Saint Louis	United States	Record daily precipitation	97.3 mm (3.8 in)	40 of 100 (Notable)
Biloxi	United States	Record daily precipitation	101.3 mm (4.0 in)	40 of 100 (Notable)
David City 4E	United States	Record snow depth	17.8 cm (7.0 in)	40 of 100 (Notable)
Elkader 6 SSW	United States	Record daily precipitation	34.0 mm (1.3 in)	39 of 100 (Notable)
Grinnell 3 SW	United States	Record snow depth	35.6 cm (14.0 in)	39 of 100 (Notable)
Storm Lake	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
River Falls	United States	Record daily snowfall	22.9 cm (9.0 in)	39 of 100 (Notable)
Winona	United States	Record daily snowfall	27.9 cm (11.0 in)	38 of 100 (Notable)
Hedal I Valdres	Norway	Record snow depth	168.0 cm (66.1 in)	37 of 100 (Notable)
Palmyra	South Africa	Record daily precipitation	59.2 mm (2.3 in)	37 of 100 (Notable)
Britt 3E	United States	Record daily snowfall	17.8 cm (7.0 in)	37 of 100 (Notable)
Hampton	United States	Record snow depth	53.3 cm (21.0 in)	37 of 100 (Notable)
Grand Meadow	United States	Record daily snowfall	22.9 cm (9.0 in)	37 of 100 (Notable)
Mora	United States	Record daily snowfall	25.4 cm (10.0 in)	37 of 100 (Notable)
Pipestone	United States	Record daily snowfall	13.7 cm (5.4 in)	37 of 100 (Notable)
Osage	United States	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Mather 3 NW	United States	Record daily snowfall	22.9 cm (9.0 in)	36 of 100 (Notable)
Neillsville 3ESE	United States	Record daily snowfall	17.8 cm (7.0 in)	36 of 100 (Notable)
Alton	United States	Record daily snowfall	27.9 cm (11.0 in)	34 of 100 (Routine)
Roodepoort	South Africa	Record daily precipitation	45.5 mm (1.8 in)	33 of 100 (Routine)
Brainerd	United States	Record daily snowfall	20.3 cm (8.0 in)	32 of 100 (Routine)
Fairmont	United States	Record daily snowfall	12.2 cm (4.8 in)	32 of 100 (Routine)
Eau Claire	United States	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Hatfield	United States	Record daily snowfall	38.1 cm (15.0 in)	32 of 100 (Routine)
Morokweng (Pol)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Robertsdale	United States	Record daily precipitation	93.5 mm (3.7 in)	31 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record daily snowfall	22.9 cm (9.0 in)	31 of 100 (Routine)

Counts by Type and Timescale

582 records

Records set or tied on 18 March 1951 by type: Highest daily maximum 16, Lowest daily maximum 93, Highest daily minimum 35, Lowest daily minimum 81, Heaviest daily rainfall 220, Heaviest daily snowfall 95, Deepest snow cover 42.

Records on 18 March 1951 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	93
Highest daily minimum	35
Lowest daily minimum	81
Heaviest daily rainfall	220
Heaviest daily snowfall	95
Deepest snow cover	42

Records on 18 March 1951 by timescale: all-time 2, monthly 8, daily 572.

How Much Records Were Beaten By

494 broken records

Margins by which the 494 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 533.0. Ties are not counted.

Top 20 by Significance

18 March 1951

Top 20 records on 18 March 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1951	W Pt, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	60 years	61 of 100 (Major)
18 March 1951	Sibley, US	daily snowfall	20.3 cm (8.0 in)	18.0 cm (7.1 in)	44 years	58 of 100 (Notable)
18 March 1951	Storm Lake, US	daily snow depth	45.7 cm (18.0 in)	40.6 cm (16.0 in)	41 years	57 of 100 (Notable)
18 March 1951	Northwood, US	daily snowfall	26.7 cm (10.5 in)	21.6 cm (8.5 in)	51 years	55 of 100 (Notable)
18 March 1951	Hampton, US	daily snowfall	15.7 cm (6.2 in)	15.7 cm (6.2 in)	56 years	53 of 100 (Notable)
18 March 1951	Pearl River, US	daily rain	99.1 mm (3.9 in)	82.3 mm (3.2 in)	26 years	52 of 100 (Notable)
18 March 1951	Pokegama Dam, US	daily snowfall	19.1 cm (7.5 in)	14.8 cm (5.8 in)	37 years	51 of 100 (Notable)
18 March 1951	Inwood 2 SW, US	daily snowfall	17.8 cm (7.0 in)	15.8 cm (6.2 in)	44 years	50 of 100 (Notable)
18 March 1951	Osage, US	daily snowfall	25.4 cm (10.0 in)	24.1 cm (9.5 in)	17 years	50 of 100 (Notable)
18 March 1951	Hartington, US	daily snowfall	27.9 cm (11.0 in)	19.0 cm (7.5 in)	36 years	50 of 100 (Notable)
18 March 1951	Nieuwejaarsfontein, ZA	all-time rain	104.9 mm (4.1 in)	14.5 mm (0.6 in)	45 years	49 of 100 (Notable)
18 March 1951	Sheldon, US	daily snowfall	19.8 cm (7.8 in)	15.7 cm (6.2 in)	17 years	49 of 100 (Notable)
18 March 1951	Bird Island, US	daily snowfall	25.4 cm (10.0 in)	16.8 cm (6.6 in)	52 years	49 of 100 (Notable)
18 March 1951	Spooner Ag Rsch STN, US	daily snowfall	30.5 cm (12.0 in)	22.9 cm (9.0 in)	42 years	49 of 100 (Notable)
18 March 1951	Waseca S Rsch & Outreach Ctr, US	daily rain	48.3 mm (1.9 in)	38.4 mm (1.5 in)	17 years	48 of 100 (Notable)
18 March 1951	Eau Claire, US	daily snowfall	30.5 cm (12.0 in)	22.9 cm (9.0 in)	18 years	47 of 100 (Notable)
18 March 1951	Hammond, US	daily rain	109.5 mm (4.3 in)	78.8 mm (3.1 in)	13 years	46 of 100 (Notable)
18 March 1951	Montevideo 1SW, US	daily snowfall	26.7 cm (10.5 in)	19.1 cm (7.5 in)	42 years	46 of 100 (Notable)
18 March 1951	Stanley Wwtp, US	daily snowfall	19.8 cm (7.8 in)	14.7 cm (5.8 in)	44 years	46 of 100 (Notable)
18 March 1951	Mt Mee, AU	daily rain	135.9 mm (5.4 in)	84.6 mm (3.3 in)	25 years	45 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 1951

Records set or tied on this calendar date in each year from 1806 to 1951. 1951 had 582 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 1951-03-18: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 100	441
100 to 200	35
200 to 300	12
300 to 400	2
400 to 500	2
500 to 600	2