Weather Records on 12 March 1970

391 weather records were set or tied worldwide on 12 March 1970. Highest significance: Potsdam, DE.

Key Facts for 12 March 1970

On 12 March 1970, 391 weather records were set or tied at long-record stations worldwide.
50 were record highs and 125 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 5 monthly and 384 daily.
Potsdam set a daily record snow depth of 51.0 cm (20.1 in) on 12 March 1970.
Across 158 earlier years (1810 to 2026) the same calendar date averaged 496 records.

Record Map

391 stations

391 station records on 12 March 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 March 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Potsdam	Germany	Record snow depth	51.0 cm (20.1 in)	53 of 100 (Notable)
List/Sylt	Germany	Record snow depth	16.0 cm (6.3 in)	52 of 100 (Notable)
Altastenberg	Germany	Record snow depth	224.0 cm (88.2 in)	52 of 100 (Notable)
Ft Myers Page Fld AP	United States	Record daily precipitation	87.4 mm (3.4 in)	52 of 100 (Notable)
Clausthal-Zellerfeld	Germany	Record snow depth	148.0 cm (58.3 in)	49 of 100 (Notable)
Brandenburg-Gorden	Germany	Record snow depth	33.0 cm (13.0 in)	48 of 100 (Notable)
Apodi	Brazil	Record daily precipitation	59.7 mm (2.4 in)	47 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record snow depth	18.0 cm (7.1 in)	46 of 100 (Notable)
1 N McLeansboro	United States	Record daily snowfall	7.6 cm (3.0 in)	46 of 100 (Notable)
Peermade Residen	India	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record low minimum temperature	7.8 C (46.0 F)	44 of 100 (Notable)
Vila Capivari	Brazil	Record daily precipitation	141.5 mm (5.6 in)	43 of 100 (Notable)
Henrietta	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Sedalia Wtp	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Wittenberg	Germany	Record snow depth	32.0 cm (12.6 in)	40 of 100 (Notable)
Poplar Bluff	United States	Record daily snowfall	5.1 cm (2.0 in)	40 of 100 (Notable)
Bad Muskau	Germany	Record snow depth	49.0 cm (19.3 in)	39 of 100 (Notable)
Hamilton Fairfield	United States	Record daily snowfall	16.5 cm (6.5 in)	39 of 100 (Notable)
Marnitz	Germany	Record snow depth	22.0 cm (8.7 in)	37 of 100 (Notable)
Canaa (Cmef)	Brazil	Record daily precipitation	48.0 mm (1.9 in)	36 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record low minimum temperature	-26.7 C (-16.1 F)	36 of 100 (Notable)
Warrenton 1 N	United States	Record daily snowfall	8.1 cm (3.2 in)	36 of 100 (Notable)
Warragul	Australia	Record daily precipitation	37.1 mm (1.5 in)	35 of 100 (Notable)
Lardner (Brandie Braes)	Australia	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
Chattanooga	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Moore Haven Lock 1	United States	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Kuzhithurai	India	Record daily precipitation	50.9 mm (2.0 in)	31 of 100 (Routine)
Bundaberg Post Office	Australia	Record high maximum temperature	33.1 C (91.6 F)	30 of 100 (Routine)
Brooksville Chin Hill	United States	Record daily precipitation	38.6 mm (1.5 in)	30 of 100 (Routine)
Stuart	United States	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Jackson	United States	Record daily snowfall	7.6 cm (3.0 in)	30 of 100 (Routine)
Loch	Australia	Record daily precipitation	31.5 mm (1.2 in)	29 of 100 (Routine)
Sulphur Springs	United States	Record low maximum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Adelaide West Terrace	Australia	Record low maximum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Charters Towers Post Office	Australia	Record high maximum temperature	38.8 C (101.8 F)	28 of 100 (Routine)
Goovigen Post Office	Australia	Record daily precipitation	80.3 mm (3.2 in)	28 of 100 (Routine)
Poowong (Post Office)	Australia	Record daily precipitation	33.3 mm (1.3 in)	28 of 100 (Routine)
Renison Bell	Australia	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Eslohe	Germany	Record snow depth	38.0 cm (15.0 in)	28 of 100 (Routine)
Waren	Germany	Record snow depth	24.0 cm (9.4 in)	28 of 100 (Routine)
Warsaw 1	United States	Record daily snowfall	7.6 cm (3.0 in)	28 of 100 (Routine)
Tortosa - Observatorio del Ebr	Spain	Record low minimum temperature	-1.5 C (29.3 F)	27 of 100 (Routine)
Washington 1 W	United States	Record daily snowfall	11.4 cm (4.5 in)	27 of 100 (Routine)
Estevan Point	Canada	Record daily precipitation	53.1 mm (2.1 in)	26 of 100 (Routine)
Doberlug-Kirchhain	Germany	Record snow depth	38.0 cm (15.0 in)	26 of 100 (Routine)
Salem	United States	Record daily snowfall	7.6 cm (3.0 in)	26 of 100 (Routine)
Willow Sprg Radio Kuku	United States	Record low maximum temperature	-1.1 C (30.0 F)	26 of 100 (Routine)
University Exp STN	United States	Record high maximum temperature	8.3 C (46.9 F)	26 of 100 (Routine)
Clarendon	United States	Record low maximum temperature	-1.7 C (28.9 F)	26 of 100 (Routine)
Cincinnati Abbe Wsmo	United States	Record daily snowfall	9.4 cm (3.7 in)	26 of 100 (Routine)
Marble Bar Comparison	Australia	Record daily precipitation	29.0 mm (1.1 in)	25 of 100 (Routine)
Bolsoy Santar	Russia	Record low minimum temperature	-38.6 C (-37.5 F)	25 of 100 (Routine)
Skegness	United Kingdom	Record low maximum temperature	3.3 C (37.9 F)	25 of 100 (Routine)
Eureka Springs 3 WNW	United States	Record daily snowfall	9.4 cm (3.7 in)	25 of 100 (Routine)
Doniphan	United States	Record low maximum temperature	1.7 C (35.1 F)	25 of 100 (Routine)
Vytegra	Russia	Record high maximum temperature	4.6 C (40.3 F)	24 of 100 (Routine)
Arcadia	United States	Record low maximum temperature	0.6 C (33.1 F)	24 of 100 (Routine)
Willow Sprg Radio Kuku	United States	Record daily snowfall	11.4 cm (4.5 in)	24 of 100 (Routine)
Miami	United States	Record low maximum temperature	-1.7 C (28.9 F)	24 of 100 (Routine)
Georgetown Post Office	Australia	Record high maximum temperature	39.0 C (102.2 F)	23 of 100 (Routine)

Counts by Type and Timescale

391 records

Records set or tied on 12 March 1970 by type: Highest daily maximum 34, Lowest daily maximum 84, Highest daily minimum 16, Lowest daily minimum 41, Heaviest daily rainfall 104, Heaviest daily snowfall 58, Deepest snow cover 54.

Records on 12 March 1970 by type
Record type	Records
Highest daily maximum	34
Lowest daily maximum	84
Highest daily minimum	16
Lowest daily minimum	41
Heaviest daily rainfall	104
Heaviest daily snowfall	58
Deepest snow cover	54

Records on 12 March 1970 by timescale: all-time 2, monthly 5, daily 384.

How Much Records Were Beaten By

325 broken records

Margins by which the 325 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 950.0. Ties are not counted.

Top 20 by Significance

12 March 1970

Top 20 records on 12 March 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 March 1970	Potsdam, DE	daily snow depth	51.0 cm (20.1 in)	31.0 cm (12.2 in)	23 years	53 of 100 (Notable)
12 March 1970	List/Sylt, DE	daily snow depth	16.0 cm (6.3 in)	11.0 cm (4.3 in)	32 years	52 of 100 (Notable)
12 March 1970	Altastenberg, DE	daily snow depth	224.0 cm (88.2 in)	95.0 cm (37.4 in)	63 years	52 of 100 (Notable)
12 March 1970	Ft Myers Page Fld AP, US	daily rain	87.4 mm (3.4 in)	73.2 mm (2.9 in)	19 years	52 of 100 (Notable)
12 March 1970	Clausthal-Zellerfeld, DE	daily snow depth	148.0 cm (58.3 in)	45.0 cm (17.7 in)	74 years	49 of 100 (Notable)
12 March 1970	Brandenburg-Gorden, DE	daily snow depth	33.0 cm (13.0 in)	24.0 cm (9.4 in)	15 years	48 of 100 (Notable)
12 March 1970	Apodi, BR	daily rain	59.7 mm (2.4 in)	49.4 mm (1.9 in)	45 years	47 of 100 (Notable)
12 March 1970	Bernburg/Saale (Nord), DE	daily snow depth	18.0 cm (7.1 in)	10.0 cm (3.9 in)	60 years	46 of 100 (Notable)
12 March 1970	1 N McLeansboro, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	76 years	46 of 100 (Notable)
12 March 1970	Peermade Residen, IN	daily rain	50.8 mm (2.0 in)	33.0 mm (1.3 in)	36 years	45 of 100 (Notable)
12 March 1970	Cape Otway Lighthouse, AU	daily low min	7.8 C (46.0 F)	1.1 C (2.0 F)	103 years	44 of 100 (Notable)
12 March 1970	Vila Capivari, BR	all-time rain	141.5 mm (5.6 in)	15.2 mm (0.6 in)	28 years	43 of 100 (Notable)
12 March 1970	Henrietta, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	68 years	42 of 100 (Notable)
12 March 1970	Sedalia Wtp, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	76 years	41 of 100 (Notable)
12 March 1970	Wittenberg, DE	daily snow depth	32.0 cm (12.6 in)	21.0 cm (8.3 in)	23 years	40 of 100 (Notable)
12 March 1970	Poplar Bluff, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	75 years	40 of 100 (Notable)
12 March 1970	Bad Muskau, DE	daily snow depth	49.0 cm (19.3 in)	28.0 cm (11.0 in)	4 years	39 of 100 (Notable)
12 March 1970	Hamilton Fairfield, US	daily snowfall	16.5 cm (6.5 in)	11.4 cm (4.5 in)	32 years	39 of 100 (Notable)
12 March 1970	Marnitz, DE	daily snow depth	22.0 cm (8.7 in)	10.0 cm (3.9 in)	52 years	37 of 100 (Notable)
12 March 1970	Canaa (Cmef), BR	daily rain	48.0 mm (1.9 in)	38.5 mm (1.5 in)	32 years	36 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 1970

Records set or tied on this calendar date in each year from 1810 to 1970. 1970 had 391 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 1970-03-12: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 200	314
200 to 400	9
400 to 600	1
600 to 800	0
800 to 1000	1