Weather Records on 12 March 1951

475 weather records were set or tied worldwide on 12 March 1951. Highest significance: Pocahontas, US.

Key Facts for 12 March 1951

On 12 March 1951, 475 weather records were set or tied at long-record stations worldwide.
34 were record highs and 175 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 23 monthly and 448 daily.
Pocahontas set an all-time record daily snowfall of 45.7 cm (18.0 in) on 12 March 1951.
Across 158 earlier years (1810 to 2026) the same calendar date averaged 495 records.

Record Map

475 stations

475 station records on 12 March 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 March 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pocahontas	United States	Record daily snowfall	45.7 cm (18.0 in)	66 of 100 (Major)
Mitchell 2 N	United States	Record snow depth	101.6 cm (40.0 in)	60 of 100 (Major)
Saint Leo	United States	Record daily precipitation	104.6 mm (4.1 in)	58 of 100 (Notable)
Kekaha 944	United States	Record daily precipitation	121.9 mm (4.8 in)	56 of 100 (Notable)
Mill Bay	Canada	Record daily snowfall	95.3 cm (37.5 in)	55 of 100 (Notable)
Mill Bay	Canada	Record daily precipitation	95.3 mm (3.8 in)	54 of 100 (Notable)
Lihue 1020	United States	Record daily precipitation	131.1 mm (5.2 in)	53 of 100 (Notable)
Hampton	United States	Record daily snowfall	15.2 cm (6.0 in)	52 of 100 (Notable)
Mana 1026	United States	Record daily precipitation	77.7 mm (3.1 in)	51 of 100 (Notable)
Aakukui 1007	United States	Record daily precipitation	119.4 mm (4.7 in)	50 of 100 (Notable)
Maquoketa	United States	Record daily snowfall	17.8 cm (7.0 in)	49 of 100 (Notable)
Prairie du Chien	United States	Record daily snowfall	24.1 cm (9.5 in)	48 of 100 (Notable)
Britt 3E	United States	Record daily precipitation	25.9 mm (1.0 in)	46 of 100 (Notable)
Knoxville	United States	Record daily snowfall	15.2 cm (6.0 in)	45 of 100 (Notable)
Fayette	United States	Record daily snowfall	27.9 cm (11.0 in)	44 of 100 (Notable)
Marshalltown	United States	Record daily precipitation	36.1 mm (1.4 in)	43 of 100 (Notable)
Brookings 2 NE	United States	Record snow depth	33.0 cm (13.0 in)	43 of 100 (Notable)
Tappen	Canada	Record daily snowfall	26.7 cm (10.5 in)	41 of 100 (Notable)
Fairfield	United States	Record daily snowfall	11.9 cm (4.7 in)	41 of 100 (Notable)
Indianola 1SW	United States	Record daily snowfall	11.4 cm (4.5 in)	41 of 100 (Notable)
Carroll	United States	Record daily snowfall	38.1 cm (15.0 in)	40 of 100 (Notable)
Cedar Rapids #1	United States	Record daily snowfall	28.2 cm (11.1 in)	39 of 100 (Notable)
Grinnell 3 SW	United States	Record daily snowfall	25.4 cm (10.0 in)	39 of 100 (Notable)
Mt Ayr	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Columbus Junction	United States	Record daily snowfall	14.0 cm (5.5 in)	38 of 100 (Notable)
Delaware 3 WSW	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Northport	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Decorah	United States	Record daily snowfall	20.3 cm (8.0 in)	37 of 100 (Notable)
Ft Dodge 5NNW	United States	Record daily snowfall	22.9 cm (9.0 in)	37 of 100 (Notable)
Northwood	United States	Record daily snowfall	24.1 cm (9.5 in)	37 of 100 (Notable)
Toledo 3N	United States	Record daily snowfall	24.1 cm (9.5 in)	36 of 100 (Notable)
Marietta 3 NNW	United States	Record daily precipitation	27.4 mm (1.1 in)	36 of 100 (Notable)
La Harpe	United States	Record daily snowfall	11.4 cm (4.5 in)	34 of 100 (Routine)
Hampton	United States	Record snow depth	40.6 cm (16.0 in)	34 of 100 (Routine)
Mandan Exp STN	United States	Record snow depth	40.6 cm (16.0 in)	34 of 100 (Routine)
Carmichael (Tnk)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Le Mars	United States	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Tekamah	United States	Record daily snowfall	15.2 cm (6.0 in)	33 of 100 (Routine)
Grinnell 3 SW	United States	Record snow depth	38.1 cm (15.0 in)	32 of 100 (Routine)
Concrete Ppl Fish STN	United States	Record daily precipitation	44.7 mm (1.8 in)	32 of 100 (Routine)
Burlington Muni AP	United States	Record snow depth	27.9 cm (11.0 in)	32 of 100 (Routine)
Elkader 6 SSW	United States	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Guthrie Ctr	United States	Record daily snowfall	7.6 cm (3.0 in)	31 of 100 (Routine)
Wahpeton 3 N	United States	Record snow depth	38.1 cm (15.0 in)	31 of 100 (Routine)
Bumping Lake	United States	Record daily snowfall	35.6 cm (14.0 in)	31 of 100 (Routine)
Oregon	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Salmon Arm	Canada	Record daily snowfall	22.9 cm (9.0 in)	29 of 100 (Routine)
Bloomington Normal	United States	Record snow depth	10.2 cm (4.0 in)	29 of 100 (Routine)
Britt 3E	United States	Record daily snowfall	20.3 cm (8.0 in)	29 of 100 (Routine)
Keosauqua	United States	Record snow depth	38.1 cm (15.0 in)	29 of 100 (Routine)
Marshalltown	United States	Record daily snowfall	33.0 cm (13.0 in)	29 of 100 (Routine)
Onawa 3NW	United States	Record daily snowfall	10.2 cm (4.0 in)	29 of 100 (Routine)
Faulkton	United States	Record snow depth	25.4 cm (10.0 in)	29 of 100 (Routine)
Williston Sloulin Fld	United States	Record snow depth	38.1 cm (15.0 in)	29 of 100 (Routine)
Chariton 1 E	United States	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Fayette	United States	Record daily precipitation	27.4 mm (1.1 in)	28 of 100 (Routine)
Grundy Ctr	United States	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Minneapolis	United States	Record daily snowfall	7.6 cm (3.0 in)	28 of 100 (Routine)
Weltevreden	South Africa	Record daily precipitation	51.3 mm (2.0 in)	27 of 100 (Routine)
Plant City	United States	Record daily precipitation	47.2 mm (1.9 in)	27 of 100 (Routine)

Counts by Type and Timescale

475 records

Records set or tied on 12 March 1951 by type: Highest daily maximum 20, Lowest daily maximum 81, Highest daily minimum 14, Lowest daily minimum 94, Heaviest daily rainfall 106, Heaviest daily snowfall 102, Deepest snow cover 58.

Records on 12 March 1951 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	81
Highest daily minimum	14
Lowest daily minimum	94
Heaviest daily rainfall	106
Heaviest daily snowfall	102
Deepest snow cover	58

Records on 12 March 1951 by timescale: all-time 4, monthly 23, daily 448.

How Much Records Were Beaten By

397 broken records

Margins by which the 397 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

12 March 1951

Top 20 records on 12 March 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 March 1951	Pocahontas, US	all-time snowfall	45.7 cm (18.0 in)	20.3 cm (8.0 in)	9 years	66 of 100 (Major)
12 March 1951	Mitchell 2 N, US	all-time snow depth	101.6 cm (40.0 in)	22.9 cm (9.0 in)	41 years	60 of 100 (Major)
12 March 1951	Saint Leo, US	daily rain	104.6 mm (4.1 in)	75.4 mm (3.0 in)	45 years	58 of 100 (Notable)
12 March 1951	Kekaha 944, US	daily rain	121.9 mm (4.8 in)	99.0 mm (3.9 in)	41 years	56 of 100 (Notable)
12 March 1951	Mill Bay, CA	monthly snowfall	95.3 cm (37.5 in)	45.8 cm (18.0 in)	7 years	55 of 100 (Notable)
12 March 1951	Mill Bay, CA	monthly rain	95.3 mm (3.8 in)	45.0 mm (1.8 in)	3 years	54 of 100 (Notable)
12 March 1951	Lihue 1020, US	daily rain	131.1 mm (5.2 in)	96.0 mm (3.8 in)	32 years	53 of 100 (Notable)
12 March 1951	Hampton, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	56 years	52 of 100 (Notable)
12 March 1951	Mana 1026, US	daily rain	77.7 mm (3.1 in)	72.9 mm (2.9 in)	25 years	51 of 100 (Notable)
12 March 1951	Aakukui 1007, US	daily rain	119.4 mm (4.7 in)	101.6 mm (4.0 in)	24 years	50 of 100 (Notable)
12 March 1951	Maquoketa, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	53 years	49 of 100 (Notable)
12 March 1951	Prairie du Chien, US	daily snowfall	24.1 cm (9.5 in)	16.5 cm (6.5 in)	38 years	48 of 100 (Notable)
12 March 1951	Britt 3E, US	daily rain	25.9 mm (1.0 in)	18.0 mm (0.7 in)	51 years	46 of 100 (Notable)
12 March 1951	Knoxville, US	daily snowfall	15.2 cm (6.0 in)	13.9 cm (5.5 in)	51 years	45 of 100 (Notable)
12 March 1951	Fayette, US	monthly snowfall	27.9 cm (11.0 in)	10.1 cm (4.0 in)	3 years	44 of 100 (Notable)
12 March 1951	Marshalltown, US	daily rain	36.1 mm (1.4 in)	22.9 mm (0.9 in)	30 years	43 of 100 (Notable)
12 March 1951	Brookings 2 NE, US	daily snow depth	33.0 cm (13.0 in)	20.3 cm (8.0 in)	24 years	43 of 100 (Notable)
12 March 1951	Tappen, CA	monthly snowfall	26.7 cm (10.5 in)	6.4 cm (2.5 in)	28 years	41 of 100 (Notable)
12 March 1951	Fairfield, US	daily snowfall	11.9 cm (4.7 in)	10.6 cm (4.2 in)	40 years	41 of 100 (Notable)
12 March 1951	Indianola 1SW, US	daily snowfall	11.4 cm (4.5 in)	10.6 cm (4.2 in)	51 years	41 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

1810 to 1951

Records set or tied on this calendar date in each year from 1810 to 1951. 1951 had 475 records.

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

Records on 03-12 in each year
Year	Records
1810	2
1822	2
1845	2
1847	2
1849	1
1854	1
1855	1
1857	1
1859	1
1860	2
1861	1
1862	1
1867	1
1878	1
1879	1
1881	2
1882	1
1883	3
1884	3
1885	1
1886	6
1887	1
1888	4
1890	5
1891	5
1892	1
1893	1
1894	2
1895	3
1896	2
1897	4
1899	2
1900	4
1901	3
1902	14
1903	8
1904	7
1905	12
1906	34
1907	9
1908	11
1909	26
1910	23
1911	15
1912	7
1913	19
1914	89
1915	17
1916	27
1917	54
1918	96
1919	50
1920	42
1921	59
1922	29
1923	165
1924	168
1925	127
1926	128
1927	399
1928	204
1929	324
1930	210
1931	159
1932	589
1933	290
1934	639
1935	330
1936	399
1937	189
1938	293
1939	525
1940	588
1941	215
1942	239
1943	194
1944	448
1945	241
1946	532
1947	727
1948	1,510
1949	544
1950	841
1951	475
1952	433
1953	298
1954	603
1955	613
1956	1,159
1957	371
1958	611
1959	513
1960	891
1961	432
1962	846
1963	669
1964	285
1965	422
1966	384
1967	1,135
1968	931
1969	1,254
1970	391
1971	481
1972	1,215
1973	890
1974	784
1975	540
1976	657
1977	1,834
1978	554
1979	606
1980	601
1981	1,112
1982	860
1983	1,057
1984	1,235
1985	886
1986	658
1987	728
1988	918
1989	1,402
1990	2,905
1991	607
1992	1,423
1993	931
1994	619
1995	1,067
1996	1,030
1997	990
1998	2,483
1999	636
2000	715
2001	1,392
2002	935
2003	703
2004	649
2005	1,020
2006	2,121
2007	1,652
2008	684
2009	1,148
2010	791
2011	494
2012	981
2013	874
2014	645
2015	793
2016	809
2017	702
2018	609
2019	865
2020	762
2021	659
2022	1,144
2023	877
2024	527
2025	615
2026	1,212

Download the Data

Data for records on 1951-03-12: 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	359
100 to 200	26
200 to 300	7
300 to 400	3
400 to 500	2