Weather Records on 15 March 1971

772 weather records were set or tied worldwide on 15 March 1971. Highest significance: Wallaroo, AU.

Key Facts for 15 March 1971

On 15 March 1971, 772 weather records were set or tied at long-record stations worldwide.
229 were record highs and 22 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 18 monthly and 752 daily.
Wallaroo set a monthly record daily precipitation of 66.8 mm (2.6 in) on 15 March 1971.
Across 161 earlier years (1810 to 2026) the same calendar date averaged 484 records.

Record Map

772 stations

772 station records on 15 March 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 March 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wallaroo	Australia	Record daily precipitation	66.8 mm (2.6 in)	72 of 100 (Major)
Cowell	Australia	Record daily precipitation	46.2 mm (1.8 in)	70 of 100 (Major)
Casterton (Roseneath)	Australia	Record daily precipitation	43.4 mm (1.7 in)	70 of 100 (Major)
Casterton (Warrock)	Australia	Record daily precipitation	38.9 mm (1.5 in)	62 of 100 (Major)
Currie Post Office	Australia	Record daily precipitation	40.4 mm (1.6 in)	62 of 100 (Major)
Carpa	Australia	Record daily precipitation	47.2 mm (1.9 in)	61 of 100 (Major)
Ogdensburg 4 NE	United States	Record snow depth	91.4 cm (36.0 in)	60 of 100 (Major)
Smithton (Grant Street)	Australia	Record daily precipitation	33.0 mm (1.3 in)	59 of 100 (Notable)
Chaska	United States	Record daily precipitation	71.1 mm (2.8 in)	59 of 100 (Notable)
Stanley Post Office	Australia	Record daily precipitation	38.1 mm (1.5 in)	56 of 100 (Notable)
Bothwell (Cluny)	Australia	Record daily precipitation	26.9 mm (1.1 in)	56 of 100 (Notable)
Kalangadoo	Australia	Record daily precipitation	45.0 mm (1.8 in)	55 of 100 (Notable)
Naracoorte	Australia	Record daily precipitation	50.0 mm (2.0 in)	54 of 100 (Notable)
Branxholme	Australia	Record daily precipitation	41.4 mm (1.6 in)	54 of 100 (Notable)
Heywood Post Office	Australia	Record daily precipitation	42.2 mm (1.7 in)	54 of 100 (Notable)
Chetwynd	Australia	Record daily precipitation	39.4 mm (1.6 in)	54 of 100 (Notable)
Low Head (Comparison)	Australia	Record daily precipitation	26.9 mm (1.1 in)	54 of 100 (Notable)
Rokeby (the Mall)	Australia	Record daily precipitation	38.6 mm (1.5 in)	54 of 100 (Notable)
Yambacoona	Australia	Record daily precipitation	42.9 mm (1.7 in)	54 of 100 (Notable)
South Forest (Plummers Road)	Australia	Record daily precipitation	43.9 mm (1.7 in)	53 of 100 (Notable)
Forest (van Diemans Land Compa	Australia	Record daily precipitation	32.8 mm (1.3 in)	52 of 100 (Notable)
Mount Templeton (Glenalbyn)	Australia	Record daily precipitation	28.4 mm (1.1 in)	51 of 100 (Notable)
Naracoorte (Lochaber)	Australia	Record daily precipitation	41.1 mm (1.6 in)	51 of 100 (Notable)
Geelong Salines (Moolap)	Australia	Record daily precipitation	94.0 mm (3.7 in)	51 of 100 (Notable)
Richmond (Brookbank)	Australia	Record daily precipitation	38.4 mm (1.5 in)	51 of 100 (Notable)
Mintaro	Australia	Record daily precipitation	26.7 mm (1.1 in)	50 of 100 (Notable)
Cape Nelson Lighthouse Compari	Australia	Record daily precipitation	41.7 mm (1.6 in)	50 of 100 (Notable)
Dergholm (Hillgrove)	Australia	Record daily precipitation	34.5 mm (1.4 in)	50 of 100 (Notable)
Macarthur (Post Office)	Australia	Record daily precipitation	40.6 mm (1.6 in)	50 of 100 (Notable)
Willunga	Australia	Record daily precipitation	33.0 mm (1.3 in)	49 of 100 (Notable)
Cape Bridgewater	Australia	Record daily precipitation	38.1 mm (1.5 in)	49 of 100 (Notable)
Portland	Australia	Record daily precipitation	39.4 mm (1.6 in)	49 of 100 (Notable)
Irishtown	Australia	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Mangalore (Mangalore Farm)	Australia	Record daily precipitation	32.0 mm (1.3 in)	49 of 100 (Notable)
Cochrane	Canada	Record daily precipitation	43.9 mm (1.7 in)	49 of 100 (Notable)
Aldinga Post Office	Australia	Record daily precipitation	29.7 mm (1.2 in)	48 of 100 (Notable)
Maria Island (Darlington)	Australia	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Woolsthorpe	Australia	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Bellerive (Fort Street)	Australia	Record daily precipitation	30.7 mm (1.2 in)	47 of 100 (Notable)
Brighton	Australia	Record daily precipitation	38.6 mm (1.5 in)	47 of 100 (Notable)
Warrnambool (Post Office)	Australia	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Burnie (No 1)	Australia	Record daily precipitation	38.4 mm (1.5 in)	46 of 100 (Notable)
Ridgley	Australia	Record daily precipitation	30.2 mm (1.2 in)	46 of 100 (Notable)
Devonport Harbour Master	Australia	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Runnymede (Whitemarsh)	Australia	Record daily precipitation	36.1 mm (1.4 in)	45 of 100 (Notable)
Mount Compass	Australia	Record daily precipitation	39.1 mm (1.5 in)	44 of 100 (Notable)
Cape Grim (Woolnorth)	Australia	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Barrage Gouin	Canada	Record daily precipitation	25.9 mm (1.0 in)	44 of 100 (Notable)
Coleraine Hospital	Australia	Record daily precipitation	36.3 mm (1.4 in)	43 of 100 (Notable)
Princetown	Australia	Record daily precipitation	34.3 mm (1.4 in)	43 of 100 (Notable)
Opossum Bay	Australia	Record daily precipitation	33.5 mm (1.3 in)	43 of 100 (Notable)
Bothwell (Franklin Street)	Australia	Record daily precipitation	30.2 mm (1.2 in)	43 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high maximum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Moonta	Australia	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Northdown (Hamley)	Australia	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Melton Mowbray (Mount Vernon)	Australia	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Sorell (Whitlea)	Australia	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
Port Broughton	Australia	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Naracoorte Cave Range	Australia	Record daily precipitation	43.9 mm (1.7 in)	41 of 100 (Notable)
Drik Drik	Australia	Record daily precipitation	39.1 mm (1.5 in)	41 of 100 (Notable)

Counts by Type and Timescale

772 records

Records set or tied on 15 March 1971 by type: Highest daily maximum 137, Lowest daily maximum 10, Highest daily minimum 92, Lowest daily minimum 12, Heaviest daily rainfall 465, Heaviest daily snowfall 40, Deepest snow cover 16.

Records on 15 March 1971 by type
Record type	Records
Highest daily maximum	137
Lowest daily maximum	10
Highest daily minimum	92
Lowest daily minimum	12
Heaviest daily rainfall	465
Heaviest daily snowfall	40
Deepest snow cover	16

Records on 15 March 1971 by timescale: all-time 2, monthly 18, daily 752.

How Much Records Were Beaten By

671 broken records

Margins by which the 671 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 482.0. Ties are not counted.

Top 20 by Significance

15 March 1971

Top 20 records on 15 March 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 March 1971	Wallaroo, AU	monthly rain	66.8 mm (2.6 in)	22.3 mm (0.9 in)	50 years	72 of 100 (Major)
15 March 1971	Cowell, AU	daily rain	46.2 mm (1.8 in)	33.8 mm (1.3 in)	75 years	70 of 100 (Major)
15 March 1971	Casterton (Roseneath), AU	daily rain	43.4 mm (1.7 in)	31.2 mm (1.2 in)	75 years	70 of 100 (Major)
15 March 1971	Casterton (Warrock), AU	daily rain	38.9 mm (1.5 in)	24.7 mm (1.0 in)	75 years	62 of 100 (Major)
15 March 1971	Currie Post Office, AU	daily rain	40.4 mm (1.6 in)	22.4 mm (0.9 in)	53 years	62 of 100 (Major)
15 March 1971	Carpa, AU	monthly rain	47.2 mm (1.9 in)	23.6 mm (0.9 in)	29 years	61 of 100 (Major)
15 March 1971	Ogdensburg 4 NE, US	daily snow depth	91.4 cm (36.0 in)	48.2 cm (19.0 in)	65 years	60 of 100 (Major)
15 March 1971	Smithton (Grant Street), AU	daily rain	33.0 mm (1.3 in)	23.3 mm (0.9 in)	57 years	59 of 100 (Notable)
15 March 1971	Chaska, US	monthly rain	71.1 mm (2.8 in)	36.8 mm (1.4 in)	18 years	59 of 100 (Notable)
15 March 1971	Stanley Post Office, AU	daily rain	38.1 mm (1.5 in)	14.7 mm (0.6 in)	66 years	56 of 100 (Notable)
15 March 1971	Bothwell (Cluny), AU	daily rain	26.9 mm (1.1 in)	23.6 mm (0.9 in)	56 years	56 of 100 (Notable)
15 March 1971	Kalangadoo, AU	daily rain	45.0 mm (1.8 in)	31.0 mm (1.2 in)	53 years	55 of 100 (Notable)
15 March 1971	Naracoorte, AU	daily rain	50.0 mm (2.0 in)	20.0 mm (0.8 in)	70 years	54 of 100 (Notable)
15 March 1971	Branxholme, AU	daily rain	41.4 mm (1.6 in)	28.7 mm (1.1 in)	53 years	54 of 100 (Notable)
15 March 1971	Heywood Post Office, AU	daily rain	42.2 mm (1.7 in)	29.2 mm (1.1 in)	57 years	54 of 100 (Notable)
15 March 1971	Chetwynd, AU	daily rain	39.4 mm (1.6 in)	19.8 mm (0.8 in)	70 years	54 of 100 (Notable)
15 March 1971	Low Head (Comparison), AU	daily rain	26.9 mm (1.1 in)	14.5 mm (0.6 in)	75 years	54 of 100 (Notable)
15 March 1971	Rokeby (the Mall), AU	daily rain	38.6 mm (1.5 in)	24.9 mm (1.0 in)	52 years	54 of 100 (Notable)
15 March 1971	Yambacoona, AU	daily rain	42.9 mm (1.7 in)	20.0 mm (0.8 in)	66 years	54 of 100 (Notable)
15 March 1971	South Forest (Plummers Road), AU	daily rain	43.9 mm (1.7 in)	30.9 mm (1.2 in)	36 years	53 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 1971

Records set or tied on this calendar date in each year from 1810 to 1971. 1971 had 772 records.

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

Records on 03-15 in each year
Year	Records
1810	1
1813	1
1825	1
1826	1
1828	1
1835	1
1836	2
1839	1
1840	1
1845	3
1846	1
1850	1
1852	2
1854	1
1859	3
1863	1
1867	1
1869	1
1878	1
1882	3
1883	1
1884	3
1886	1
1887	1
1888	3
1889	3
1890	3
1891	5
1892	6
1893	5
1894	1
1895	4
1896	5
1898	3
1899	5
1900	12
1901	11
1902	14
1903	9
1904	6
1905	14
1906	36
1907	16
1908	43
1909	13
1910	23
1911	27
1912	51
1913	79
1914	32
1915	11
1916	34
1917	36
1918	81
1919	40
1920	43
1921	140
1922	39
1923	134
1924	145
1925	72
1926	169
1927	332
1928	193
1929	267
1930	240
1931	122
1932	610
1933	167
1934	298
1935	617
1936	298
1937	711
1938	505
1939	336
1940	340
1941	259
1942	399
1943	639
1944	622
1945	895
1946	915
1947	374
1948	198
1949	409
1950	249
1951	334
1952	358
1953	298
1954	340
1955	419
1956	534
1957	485
1958	431
1959	348
1960	972
1961	430
1962	585
1963	297
1964	411
1965	174
1966	893
1967	831
1968	545
1969	933
1970	541
1971	772
1972	814
1973	1,074
1974	439
1975	713
1976	220
1977	787
1978	566
1979	997
1980	503
1981	799
1982	997
1983	844
1984	638
1985	519
1986	771
1987	687
1988	1,599
1989	1,221
1990	2,255
1991	852
1992	1,131
1993	3,353
1994	1,405
1995	1,372
1996	706
1997	1,500
1998	847
1999	1,269
2000	458
2001	930
2002	1,317
2003	1,157
2004	1,046
2005	1,099
2006	688
2007	1,420
2008	903
2009	744
2010	675
2011	730
2012	2,297
2013	1,486
2014	397
2015	1,573
2016	948
2017	1,497
2018	538
2019	861
2020	1,128
2021	916
2022	491
2023	768
2024	1,401
2025	1,162
2026	877

Download the Data

Data for records on 1971-03-15: 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	665
100 to 200	2
200 to 300	2
300 to 400	0
400 to 500	2