Weather Records on 12 April 1971

587 weather records were set or tied worldwide on 12 April 1971. Highest significance: Kynuna, AU.

Key Facts for 12 April 1971

On 12 April 1971, 587 weather records were set or tied at long-record stations worldwide.
292 were record highs and 102 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 581 daily.
Kynuna set a daily record precipitation of 60.7 mm (2.4 in) on 12 April 1971.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 501 records.

Record Map

587 stations

587 station records on 12 April 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 April 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kynuna	Australia	Record daily precipitation	60.7 mm (2.4 in)	72 of 100 (Major)
Port Washington	United States	Record daily precipitation	57.4 mm (2.3 in)	69 of 100 (Major)
Cordova AP	United States	Record daily precipitation	112.5 mm (4.4 in)	57 of 100 (Notable)
West Bend	United States	Record daily precipitation	56.1 mm (2.2 in)	53 of 100 (Notable)
Albion Downs	Australia	Record daily precipitation	36.8 mm (1.4 in)	52 of 100 (Notable)
Cloncurry McIllwraith St	Australia	Record daily precipitation	32.0 mm (1.3 in)	49 of 100 (Notable)
Katandra	Australia	Record daily precipitation	59.7 mm (2.4 in)	49 of 100 (Notable)
Headingly Station	Australia	Record daily precipitation	25.4 mm (1.0 in)	48 of 100 (Notable)
Eddington Station	Australia	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Clarafield Station	Australia	Record daily precipitation	53.6 mm (2.1 in)	47 of 100 (Notable)
Wellston Tippy Dam	United States	Record daily precipitation	34.0 mm (1.3 in)	46 of 100 (Notable)
Cordova AP	United States	Record daily snowfall	42.9 cm (16.9 in)	45 of 100 (Notable)
Lowville	United States	Record snow depth	20.3 cm (8.0 in)	44 of 100 (Notable)
McKinlay Roadhouse	Australia	Record daily precipitation	44.2 mm (1.7 in)	43 of 100 (Notable)
Chasm Falls	United States	Record snow depth	83.8 cm (33.0 in)	43 of 100 (Notable)
Cape St Elias	United States	Record daily precipitation	92.7 mm (3.6 in)	43 of 100 (Notable)
Burketown Post Office	Australia	Record low maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Eulolo Station	Australia	Record daily precipitation	42.7 mm (1.7 in)	40 of 100 (Notable)
Proa Station	Australia	Record daily precipitation	25.1 mm (1.0 in)	39 of 100 (Notable)
Marlborough Post Office	Australia	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Northfield	United States	Record snow depth	30.5 cm (12.0 in)	39 of 100 (Notable)
Fond du Lac Wwtp	United States	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Sable Island	Canada	Record high maximum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Baraboo Wwtp	United States	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Waukesha Wwtp	United States	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Newaygo Hardy Dam	United States	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
Coen Post Office	Australia	Record daily precipitation	39.6 mm (1.6 in)	36 of 100 (Notable)
Acude Macaubas	Brazil	Record daily precipitation	56.1 mm (2.2 in)	36 of 100 (Notable)
Madison Dane Co Rgnl AP	United States	Record daily precipitation	34.5 mm (1.4 in)	36 of 100 (Notable)
Richmond Post Office	Australia	Record low maximum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Richland Ctr	United States	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
Joliet	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Borroloola	Australia	Record daily precipitation	66.3 mm (2.6 in)	34 of 100 (Routine)
Avon Downs	Australia	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Penola Downs Station	Australia	Record daily precipitation	42.7 mm (1.7 in)	34 of 100 (Routine)
Essex Downs Station	Australia	Record daily precipitation	28.4 mm (1.1 in)	34 of 100 (Routine)
Muskegon Co AP	United States	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Musgrave	Australia	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Gilliat Post Office	Australia	Record daily precipitation	40.9 mm (1.6 in)	33 of 100 (Routine)
Gadgarra Forest Reserve	Australia	Record daily precipitation	56.1 mm (2.2 in)	33 of 100 (Routine)
Boa Vista (Ledo)	Brazil	Record daily precipitation	65.4 mm (2.6 in)	33 of 100 (Routine)
Winthrop 1 WSW	United States	Record snow depth	27.9 cm (11.0 in)	33 of 100 (Routine)
Prairie du Sac 2 N	United States	Record daily precipitation	31.2 mm (1.2 in)	33 of 100 (Routine)
Campestre	Brazil	Record daily precipitation	27.0 mm (1.1 in)	32 of 100 (Routine)
Valparaiso Wtr Wks	United States	Record high minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Cloudcroft	United States	Record high maximum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
El Dorado 1 SSW	United States	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Julia Creek Post Office	Australia	Record daily precipitation	25.1 mm (1.0 in)	31 of 100 (Routine)
Big Rapids Wtp	United States	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
Carrollton	United States	Record high maximum temperature	29.4 C (84.9 F)	31 of 100 (Routine)
Rantoul	United States	Record high maximum temperature	28.9 C (84.0 F)	31 of 100 (Routine)
Granada Station	Australia	Record daily precipitation	30.7 mm (1.2 in)	30 of 100 (Routine)
Mount Isa Mine	Australia	Record daily precipitation	41.4 mm (1.6 in)	30 of 100 (Routine)
Ann Arbor U of Mich	United States	Record high maximum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Alcozauca (Smn)	Mexico	Record low maximum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Aurora Water	United States	Record high maximum temperature	29.4 C (84.9 F)	29 of 100 (Routine)
Minonk	United States	Record high minimum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Tuscola	United States	Record high maximum temperature	28.9 C (84.0 F)	29 of 100 (Routine)
Fall Rvr Lake	United States	Record high maximum temperature	29.4 C (84.9 F)	29 of 100 (Routine)
Windsor	United States	Record high maximum temperature	29.4 C (84.9 F)	29 of 100 (Routine)

Counts by Type and Timescale

587 records

Records set or tied on 12 April 1971 by type: Highest daily maximum 196, Lowest daily maximum 21, Highest daily minimum 96, Lowest daily minimum 81, Heaviest daily rainfall 170, Heaviest daily snowfall 10, Deepest snow cover 13.

Records on 12 April 1971 by type
Record type	Records
Highest daily maximum	196
Lowest daily maximum	21
Highest daily minimum	96
Lowest daily minimum	81
Heaviest daily rainfall	170
Heaviest daily snowfall	10
Deepest snow cover	13

Records on 12 April 1971 by timescale: all-time 0, monthly 6, daily 581.

How Much Records Were Beaten By

430 broken records

Margins by which the 430 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 736.0. Ties are not counted.

Top 20 by Significance

12 April 1971

Top 20 records on 12 April 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 April 1971	Kynuna, AU	daily rain	60.7 mm (2.4 in)	60.7 mm (2.4 in)	82 years	72 of 100 (Major)
12 April 1971	Port Washington, US	daily rain	57.4 mm (2.3 in)	39.6 mm (1.6 in)	73 years	69 of 100 (Major)
12 April 1971	Cordova AP, US	daily rain	112.5 mm (4.4 in)	52.8 mm (2.1 in)	56 years	57 of 100 (Notable)
12 April 1971	West Bend, US	daily rain	56.1 mm (2.2 in)	35.0 mm (1.4 in)	20 years	53 of 100 (Notable)
12 April 1971	Albion Downs, AU	daily rain	36.8 mm (1.4 in)	36.8 mm (1.4 in)	48 years	52 of 100 (Notable)
12 April 1971	Cloncurry McIllwraith St, AU	daily rain	32.0 mm (1.3 in)	27.4 mm (1.1 in)	76 years	49 of 100 (Notable)
12 April 1971	Katandra, AU	daily rain	59.7 mm (2.4 in)	52.8 mm (2.1 in)	36 years	49 of 100 (Notable)
12 April 1971	Headingly Station, AU	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	82 years	48 of 100 (Notable)
12 April 1971	Eddington Station, AU	daily rain	33.0 mm (1.3 in)	33.0 mm (1.3 in)	78 years	47 of 100 (Notable)
12 April 1971	Clarafield Station, AU	daily rain	53.6 mm (2.1 in)	53.6 mm (2.1 in)	42 years	47 of 100 (Notable)
12 April 1971	Wellston Tippy Dam, US	daily rain	34.0 mm (1.3 in)	25.6 mm (1.0 in)	28 years	46 of 100 (Notable)
12 April 1971	Cordova AP, US	monthly snowfall	42.9 cm (16.9 in)	7.3 cm (2.9 in)	60 years	45 of 100 (Notable)
12 April 1971	Lowville, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	52 years	44 of 100 (Notable)
12 April 1971	McKinlay Roadhouse, AU	daily rain	44.2 mm (1.7 in)	42.4 mm (1.7 in)	16 years	43 of 100 (Notable)
12 April 1971	Chasm Falls, US	daily snow depth	83.8 cm (33.0 in)	58.4 cm (23.0 in)	0 years	43 of 100 (Notable)
12 April 1971	Cape St Elias, US	daily rain	92.7 mm (3.6 in)	62.2 mm (2.4 in)	2 years	43 of 100 (Notable)
12 April 1971	Burketown Post Office, AU	daily low max	23.9 C (75.0 F)	3.0 C (5.4 F)	65 years	40 of 100 (Notable)
12 April 1971	Eulolo Station, AU	daily rain	42.7 mm (1.7 in)	33.0 mm (1.3 in)	26 years	40 of 100 (Notable)
12 April 1971	Proa Station, AU	daily rain	25.1 mm (1.0 in)	25.1 mm (1.0 in)	48 years	39 of 100 (Notable)
12 April 1971	Marlborough Post Office, AU	daily rain	38.1 mm (1.5 in)	15.2 mm (0.6 in)	71 years	39 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

1793 to 1971

Records set or tied on this calendar date in each year from 1793 to 1971. 1971 had 587 records.

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

Records on 04-12 in each year
Year	Records
1793	1
1805	1
1810	1
1812	2
1817	2
1826	1
1831	1
1845	1
1850	1
1854	1
1865	2
1866	2
1868	4
1869	5
1871	1
1873	1
1874	5
1876	2
1877	1
1878	1
1879	4
1881	1
1882	1
1885	2
1889	4
1890	10
1891	3
1892	2
1893	4
1894	1
1895	1
1896	1
1897	4
1898	4
1899	5
1900	6
1901	5
1902	3
1903	10
1904	11
1905	19
1906	24
1907	5
1908	10
1909	16
1910	15
1911	26
1912	48
1913	88
1914	41
1915	125
1916	37
1917	33
1918	40
1919	39
1920	148
1921	34
1922	48
1923	134
1924	69
1925	178
1926	347
1927	179
1928	145
1929	141
1930	638
1931	267
1932	253
1933	551
1934	531
1935	171
1936	277
1937	236
1938	175
1939	1,174
1940	1,407
1941	869
1942	191
1943	614
1944	423
1945	884
1946	347
1947	733
1948	1,496
1949	358
1950	638
1951	1,102
1952	455
1953	707
1954	424
1955	611
1956	382
1957	910
1958	542
1959	513
1960	314
1961	551
1962	510
1963	518
1964	363
1965	659
1966	520
1967	682
1968	717
1969	352
1970	568
1971	587
1972	1,316
1973	903
1974	822
1975	704
1976	1,076
1977	1,069
1978	533
1979	1,096
1980	611
1981	1,068
1982	852
1983	877
1984	671
1985	734
1986	1,350
1987	606
1988	1,369
1989	1,838
1990	946
1991	1,484
1992	1,000
1993	586
1994	1,375
1995	1,173
1996	994
1997	3,094
1998	1,409
1999	873
2000	784
2001	1,369
2002	600
2003	1,079
2004	964
2005	536
2006	796
2007	1,144
2008	1,015
2009	811
2010	935
2011	1,026
2012	666
2013	1,039
2014	597
2015	504
2016	595
2017	519
2018	868
2019	685
2020	1,150
2021	710
2022	1,862
2023	1,262
2024	1,086
2025	1,281
2026	622

Download the Data

Data for records on 1971-04-12: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 100	421
100 to 200	4
200 to 300	3
300 to 400	0
400 to 500	0
500 to 600	1
600 to 700	0
700 to 800	1