Weather Records on 12 March 1983

1,057 weather records were set or tied worldwide on 12 March 1983. Highest significance: Mornington Island, AU.

Key Facts for 12 March 1983

On 12 March 1983, 1,057 weather records were set or tied at long-record stations worldwide.
345 were record highs and 235 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 1,035 daily.
Mornington Island set a daily record precipitation of 205.2 mm (8.1 in) on 12 March 1983.
Across 158 earlier years (1810 to 2026) the same calendar date averaged 492 records.

Record Map

1,057 stations

1,057 station records on 12 March 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 March 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mornington Island	Australia	Record daily precipitation	205.2 mm (8.1 in)	58 of 100 (Notable)
Shanwei	China	Record daily precipitation	49.7 mm (2.0 in)	52 of 100 (Notable)
Pendroy 2 NNW	United States	Record daily precipitation	31.2 mm (1.2 in)	52 of 100 (Notable)
Norwalk Wwtp	United States	Record snow depth	33.0 cm (13.0 in)	49 of 100 (Notable)
Adak AP	United States	Record snow depth	66.0 cm (26.0 in)	49 of 100 (Notable)
Weyburn	Canada	Record daily snowfall	10.0 cm (3.9 in)	48 of 100 (Notable)
Lake Nash	Australia	Record daily precipitation	47.4 mm (1.9 in)	47 of 100 (Notable)
Corozal Substn	Puerto Rico [United States]	Record daily precipitation	103.1 mm (4.1 in)	47 of 100 (Notable)
Jayuya	Puerto Rico [United States]	Record daily precipitation	126.5 mm (5.0 in)	47 of 100 (Notable)
Pendroy 2 NNW	United States	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Grafton	United States	Record daily snowfall	31.2 cm (12.3 in)	47 of 100 (Notable)
Peterboro 2 S	United States	Record daily precipitation	26.4 mm (1.0 in)	46 of 100 (Notable)
Boca	United States	Record daily precipitation	60.5 mm (2.4 in)	45 of 100 (Notable)
Gaspe	Canada	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
Paso de Arocha	Mexico	Record daily precipitation	32.8 mm (1.3 in)	44 of 100 (Notable)
Middletown	United States	Record daily precipitation	108.0 mm (4.3 in)	43 of 100 (Notable)
Jackman	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Iturbide	Mexico	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
Saint Helena	United States	Record daily precipitation	103.6 mm (4.1 in)	42 of 100 (Notable)
Goldbutte 7 N	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
Fazenda Mendes	Brazil	Record daily precipitation	75.2 mm (3.0 in)	41 of 100 (Notable)
Klintonel	Canada	Record daily precipitation	26.0 mm (1.0 in)	41 of 100 (Notable)
Klintonel	Canada	Record daily snowfall	26.0 cm (10.2 in)	41 of 100 (Notable)
Disraeli	Canada	Record daily snowfall	27.0 cm (10.6 in)	41 of 100 (Notable)
Las Enramadas	Mexico	Record daily precipitation	26.9 mm (1.1 in)	40 of 100 (Notable)
Lingwick	Canada	Record daily precipitation	35.2 mm (1.4 in)	39 of 100 (Notable)
Lake Spaulding	United States	Record daily precipitation	119.1 mm (4.7 in)	39 of 100 (Notable)
Franklin 3 NW	United States	Record low minimum temperature	-0.6 C (30.9 F)	39 of 100 (Notable)
Joplin	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Naalehu 14	United States	Record high maximum temperature	31.1 C (88.0 F)	39 of 100 (Notable)
Headingly Station	Australia	Record daily precipitation	45.2 mm (1.8 in)	38 of 100 (Notable)
Assiniboia	Canada	Record daily snowfall	6.0 cm (2.4 in)	38 of 100 (Notable)
Tepeaca	Mexico	Record low maximum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Atoyac (Smn)	Mexico	Record low maximum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
E Wareham	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Urandangi	Australia	Record daily precipitation	43.4 mm (1.7 in)	36 of 100 (Notable)
Doaktown	Canada	Record daily precipitation	28.6 mm (1.1 in)	36 of 100 (Notable)
Arrowrock Dam	United States	Record high minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Belchertown	United States	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Billings Wtp	United States	Record high minimum temperature	6.7 C (44.1 F)	36 of 100 (Notable)
Grafton	United States	Record daily precipitation	33.8 mm (1.3 in)	36 of 100 (Notable)
Kaycee	United States	Record high minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Caplan	Canada	Record daily precipitation	35.6 mm (1.4 in)	35 of 100 (Notable)
Price	Canada	Record daily precipitation	42.0 mm (1.7 in)	35 of 100 (Notable)
Price	Canada	Record daily snowfall	42.0 cm (16.5 in)	35 of 100 (Notable)
Echeverria	Mexico	Record low maximum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Murfreesboro 5 N	United States	Record low maximum temperature	1.1 C (34.0 F)	35 of 100 (Notable)
Aneroid	Canada	Record daily snowfall	8.8 cm (3.5 in)	34 of 100 (Routine)
Shamrock	Canada	Record daily snowfall	12.0 cm (4.7 in)	34 of 100 (Routine)
Sussex	Canada	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Fruita	United States	Record high minimum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record high minimum temperature	3.3 C (37.9 F)	34 of 100 (Routine)
Undoolya	Australia	Record daily precipitation	44.8 mm (1.8 in)	33 of 100 (Routine)
Sydney A	Canada	Record daily precipitation	33.2 mm (1.3 in)	33 of 100 (Routine)
Montemorelos	Mexico	Record daily precipitation	45.0 mm (1.8 in)	33 of 100 (Routine)
Beechwood	United States	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Sutton Lake	United States	Record daily snowfall	7.6 cm (3.0 in)	33 of 100 (Routine)
Lovell	United States	Record high maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Upton	United States	Record high minimum temperature	5.0 C (41.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,057 records

Records set or tied on 12 March 1983 by type: Highest daily maximum 99, Lowest daily maximum 146, Highest daily minimum 246, Lowest daily minimum 89, Heaviest daily rainfall 411, Heaviest daily snowfall 48, Deepest snow cover 18.

Records on 12 March 1983 by type
Record type	Records
Highest daily maximum	99
Lowest daily maximum	146
Highest daily minimum	246
Lowest daily minimum	89
Heaviest daily rainfall	411
Heaviest daily snowfall	48
Deepest snow cover	18

Records on 12 March 1983 by timescale: all-time 0, monthly 22, daily 1,035.

How Much Records Were Beaten By

909 broken records

Margins by which the 909 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

12 March 1983

Top 20 records on 12 March 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 March 1983	Mornington Island, AU	daily rain	205.2 mm (8.1 in)	108.4 mm (4.3 in)	54 years	58 of 100 (Notable)
12 March 1983	Shanwei, CN	daily rain	49.7 mm (2.0 in)	45.2 mm (1.8 in)	30 years	52 of 100 (Notable)
12 March 1983	Pendroy 2 NNW, US	daily rain	31.2 mm (1.2 in)	28.9 mm (1.1 in)	28 years	52 of 100 (Notable)
12 March 1983	Norwalk Wwtp, US	daily snow depth	33.0 cm (13.0 in)	22.8 cm (9.0 in)	24 years	49 of 100 (Notable)
12 March 1983	Adak AP, US	daily snow depth	66.0 cm (26.0 in)	53.3 cm (21.0 in)	18 years	49 of 100 (Notable)
12 March 1983	Weyburn, CA	daily snowfall	10.0 cm (3.9 in)	4.9 cm (1.9 in)	81 years	48 of 100 (Notable)
12 March 1983	Lake Nash, AU	daily rain	47.4 mm (1.9 in)	36.0 mm (1.4 in)	81 years	47 of 100 (Notable)
12 March 1983	Corozal Substn, PR	daily rain	103.1 mm (4.1 in)	61.4 mm (2.4 in)	10 years	47 of 100 (Notable)
12 March 1983	Jayuya, PR	monthly rain	126.5 mm (5.0 in)	18.8 mm (0.7 in)	55 years	47 of 100 (Notable)
12 March 1983	Pendroy 2 NNW, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	41 years	47 of 100 (Notable)
12 March 1983	Grafton, US	daily snowfall	31.2 cm (12.3 in)	23.8 cm (9.4 in)	16 years	47 of 100 (Notable)
12 March 1983	Peterboro 2 S, US	daily rain	26.4 mm (1.0 in)	12.7 mm (0.5 in)	89 years	46 of 100 (Notable)
12 March 1983	Boca, US	daily rain	60.5 mm (2.4 in)	24.9 mm (1.0 in)	64 years	45 of 100 (Notable)
12 March 1983	Gaspe, CA	daily rain	34.0 mm (1.3 in)	20.5 mm (0.8 in)	57 years	44 of 100 (Notable)
12 March 1983	Paso de Arocha, MX	daily rain	32.8 mm (1.3 in)	32.8 mm (1.3 in)	32 years	44 of 100 (Notable)
12 March 1983	Middletown, US	daily rain	108.0 mm (4.3 in)	63.0 mm (2.5 in)	12 years	43 of 100 (Notable)
12 March 1983	Jackman, US	daily rain	30.5 mm (1.2 in)	13.2 mm (0.5 in)	46 years	43 of 100 (Notable)
12 March 1983	Iturbide, MX	daily rain	30.5 mm (1.2 in)	26.2 mm (1.0 in)	8 years	42 of 100 (Notable)
12 March 1983	Saint Helena, US	daily rain	103.6 mm (4.1 in)	45.9 mm (1.8 in)	12 years	42 of 100 (Notable)
12 March 1983	Goldbutte 7 N, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	28 years	42 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 1983

Records set or tied on this calendar date in each year from 1810 to 1983. 1983 had 1,057 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 1983-03-12: 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	894
100 to 200	11
200 to 300	3
300 to 400	0
400 to 500	0
500 to 600	1