Weather Records on 12 March 1978

554 weather records were set or tied worldwide on 12 March 1978. Highest significance: Rietfontein (Pol), ZA.

Key Facts for 12 March 1978

On 12 March 1978, 554 weather records were set or tied at long-record stations worldwide.
104 were record highs and 54 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 547 daily.
Rietfontein (Pol) set a daily record precipitation of 56.5 mm (2.2 in) on 12 March 1978.
Across 158 earlier years (1810 to 2026) the same calendar date averaged 495 records.

Record Map

554 stations

554 station records on 12 March 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 March 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rietfontein (Pol)	South Africa	Record daily precipitation	56.5 mm (2.2 in)	59 of 100 (Notable)
Montpelier	United States	Record snow depth	30.5 cm (12.0 in)	59 of 100 (Notable)
Charleston	United States	Record snow depth	25.4 cm (10.0 in)	56 of 100 (Notable)
Goshen 3SW	United States	Record snow depth	27.9 cm (11.0 in)	54 of 100 (Notable)
Williams 3 SW	United States	Record snow depth	15.2 cm (6.0 in)	53 of 100 (Notable)
Bowman	United States	Record snow depth	114.3 cm (45.0 in)	53 of 100 (Notable)
Effingham 3SW	United States	Record snow depth	30.5 cm (12.0 in)	52 of 100 (Notable)
Kokomo 3 WSW	United States	Record snow depth	22.9 cm (9.0 in)	50 of 100 (Notable)
Waterloo 2 NW	United States	Record snow depth	30.5 cm (12.0 in)	50 of 100 (Notable)
Van Wert 1 S	United States	Record snow depth	33.0 cm (13.0 in)	50 of 100 (Notable)
Matatiele	South Africa	Record daily precipitation	45.5 mm (1.8 in)	48 of 100 (Notable)
Askham	South Africa	Record daily precipitation	95.5 mm (3.8 in)	47 of 100 (Notable)
Tiffin	United States	Record snow depth	33.0 cm (13.0 in)	47 of 100 (Notable)
Anadia	Brazil	Record daily precipitation	47.3 mm (1.9 in)	46 of 100 (Notable)
Ionia 2SSW	United States	Record snow depth	40.6 cm (16.0 in)	45 of 100 (Notable)
Yeeda	Australia	Record daily precipitation	56.0 mm (2.2 in)	44 of 100 (Notable)
Paris Stp	United States	Record snow depth	27.9 cm (11.0 in)	44 of 100 (Notable)
Coldwater St School	United States	Record snow depth	30.5 cm (12.0 in)	44 of 100 (Notable)
Reitz 36	South Africa	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Angola	United States	Record snow depth	33.0 cm (13.0 in)	43 of 100 (Notable)
Mnt Frere (Tnk)	South Africa	Record daily precipitation	45.6 mm (1.8 in)	42 of 100 (Notable)
Huntington	United States	Record snow depth	33.0 cm (13.0 in)	42 of 100 (Notable)
Parys (Mun)	South Africa	Record daily precipitation	87.8 mm (3.5 in)	41 of 100 (Notable)
Lima Wwtp	United States	Record snow depth	25.4 cm (10.0 in)	41 of 100 (Notable)
Owosso Wwtp	United States	Record snow depth	40.6 cm (16.0 in)	40 of 100 (Notable)
Wells	United States	Record daily snowfall	21.8 cm (8.6 in)	40 of 100 (Notable)
Bowling Green Wwtp	United States	Record snow depth	10.2 cm (4.0 in)	40 of 100 (Notable)
Dolinsk	Russia	Record daily precipitation	82.2 mm (3.2 in)	39 of 100 (Notable)
Boetsap (Pol)	South Africa	Record daily precipitation	90.0 mm (3.5 in)	39 of 100 (Notable)
Bright Angel Rs	United States	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
La Mesa	United States	Record daily precipitation	33.8 mm (1.3 in)	39 of 100 (Notable)
Greenville	United States	Record snow depth	20.3 cm (8.0 in)	39 of 100 (Notable)
Charlotte	United States	Record snow depth	35.6 cm (14.0 in)	39 of 100 (Notable)
Carlisle	United States	Record snow depth	27.9 cm (11.0 in)	39 of 100 (Notable)
Save	Benin	Record daily precipitation	63.8 mm (2.5 in)	38 of 100 (Notable)
Brusque (Pcd)	Brazil	Record daily precipitation	82.1 mm (3.2 in)	38 of 100 (Notable)
Chandler Heights	United States	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Eureka	United States	Record daily snowfall	22.9 cm (9.0 in)	38 of 100 (Notable)
Ephrata	United States	Record snow depth	22.9 cm (9.0 in)	38 of 100 (Notable)
Booby Island Lighthouse	Australia	Record daily precipitation	62.6 mm (2.5 in)	36 of 100 (Notable)
Lomba Alta	Brazil	Record daily precipitation	47.2 mm (1.9 in)	36 of 100 (Notable)
Sagaredzo	Georgia	Record daily precipitation	28.7 mm (1.1 in)	36 of 100 (Notable)
Lanquedoc	South Africa	Record daily precipitation	65.5 mm (2.6 in)	36 of 100 (Notable)
Greenville 2 NNE	United States	Record snow depth	38.1 cm (15.0 in)	36 of 100 (Notable)
Ashley	United States	Record snow depth	101.6 cm (40.0 in)	36 of 100 (Notable)
Catemaco	Mexico	Record low minimum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
Juzhno-Sahalinsk	Russia	Record daily precipitation	25.5 mm (1.0 in)	35 of 100 (Notable)
Rangely 1E	United States	Record high minimum temperature	0.6 C (33.1 F)	35 of 100 (Notable)
Coutinho	Brazil	Record daily precipitation	136.0 mm (5.4 in)	34 of 100 (Routine)
Santo Inacio	Brazil	Record daily precipitation	72.3 mm (2.8 in)	34 of 100 (Routine)
Lichtenburg	South Africa	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Roy 8 NE	United States	Record snow depth	94.0 cm (37.0 in)	34 of 100 (Routine)
Wauseon Wtp	United States	Record snow depth	12.7 cm (5.0 in)	34 of 100 (Routine)
Nova Bremen	Brazil	Record daily precipitation	47.0 mm (1.9 in)	33 of 100 (Routine)
Tweeling (Pol)	South Africa	Record daily precipitation	41.1 mm (1.6 in)	33 of 100 (Routine)
Hermit 8 SE	United States	Record daily snowfall	22.9 cm (9.0 in)	33 of 100 (Routine)
Allegan 5NE	United States	Record snow depth	40.6 cm (16.0 in)	33 of 100 (Routine)
Bethany	United States	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Confluence 1 NW	United States	Record snow depth	25.4 cm (10.0 in)	33 of 100 (Routine)
Lawrence	United States	Record snow depth	10.2 cm (4.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

554 records

Records set or tied on 12 March 1978 by type: Highest daily maximum 21, Lowest daily maximum 28, Highest daily minimum 83, Lowest daily minimum 26, Heaviest daily rainfall 218, Heaviest daily snowfall 29, Deepest snow cover 149.

Records on 12 March 1978 by type
Record type	Records
Highest daily maximum	21
Lowest daily maximum	28
Highest daily minimum	83
Lowest daily minimum	26
Heaviest daily rainfall	218
Heaviest daily snowfall	29
Deepest snow cover	149

Records on 12 March 1978 by timescale: all-time 0, monthly 7, daily 547.

How Much Records Were Beaten By

477 broken records

Margins by which the 477 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 635.0. Ties are not counted.

Top 20 by Significance

12 March 1978

Top 20 records on 12 March 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 March 1978	Rietfontein (Pol), ZA	daily rain	56.5 mm (2.2 in)	36.7 mm (1.4 in)	68 years	59 of 100 (Notable)
12 March 1978	Montpelier, US	daily snow depth	30.5 cm (12.0 in)	22.9 cm (9.0 in)	72 years	59 of 100 (Notable)
12 March 1978	Charleston, US	daily snow depth	25.4 cm (10.0 in)	17.8 cm (7.0 in)	29 years	56 of 100 (Notable)
12 March 1978	Goshen 3SW, US	daily snow depth	27.9 cm (11.0 in)	20.3 cm (8.0 in)	28 years	54 of 100 (Notable)
12 March 1978	Williams 3 SW, US	daily snow depth	15.2 cm (6.0 in)	12.7 cm (5.0 in)	29 years	53 of 100 (Notable)
12 March 1978	Bowman, US	daily snow depth	114.3 cm (45.0 in)	63.5 cm (25.0 in)	25 years	53 of 100 (Notable)
12 March 1978	Effingham 3SW, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	17 years	52 of 100 (Notable)
12 March 1978	Kokomo 3 WSW, US	daily snow depth	22.9 cm (9.0 in)	12.7 cm (5.0 in)	72 years	50 of 100 (Notable)
12 March 1978	Waterloo 2 NW, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	28 years	50 of 100 (Notable)
12 March 1978	Van Wert 1 S, US	daily snow depth	33.0 cm (13.0 in)	17.8 cm (7.0 in)	9 years	50 of 100 (Notable)
12 March 1978	Matatiele, ZA	daily rain	45.5 mm (1.8 in)	22.1 mm (0.9 in)	60 years	48 of 100 (Notable)
12 March 1978	Askham, ZA	daily rain	95.5 mm (3.8 in)	50.3 mm (2.0 in)	24 years	47 of 100 (Notable)
12 March 1978	Tiffin, US	daily snow depth	33.0 cm (13.0 in)	17.8 cm (7.0 in)	28 years	47 of 100 (Notable)
12 March 1978	Anadia, BR	daily rain	47.3 mm (1.9 in)	30.5 mm (1.2 in)	43 years	46 of 100 (Notable)
12 March 1978	Ionia 2SSW, US	daily snow depth	40.6 cm (16.0 in)	22.8 cm (9.0 in)	7 years	45 of 100 (Notable)
12 March 1978	Yeeda, AU	daily rain	56.0 mm (2.2 in)	38.2 mm (1.5 in)	71 years	44 of 100 (Notable)
12 March 1978	Paris Stp, US	daily snow depth	27.9 cm (11.0 in)	7.6 cm (3.0 in)	72 years	44 of 100 (Notable)
12 March 1978	Coldwater St School, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	9 years	44 of 100 (Notable)
12 March 1978	Reitz 36, ZA	daily rain	47.0 mm (1.9 in)	19.3 mm (0.8 in)	64 years	43 of 100 (Notable)
12 March 1978	Angola, US	daily snow depth	33.0 cm (13.0 in)	17.8 cm (7.0 in)	15 years	43 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 1978

Records set or tied on this calendar date in each year from 1810 to 1978. 1978 had 554 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 1978-03-12: 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 100	429
100 to 200	34
200 to 300	10
300 to 400	2
400 to 500	1
500 to 600	0
600 to 700	1