Weather Records on 13 April 1971

390 weather records were set or tied worldwide on 13 April 1971. Highest significance: Borroloola, AU.

Key Facts for 13 April 1971

On 13 April 1971, 390 weather records were set or tied at long-record stations worldwide.
163 were record highs and 38 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 386 daily.
Borroloola set a daily record precipitation of 101.9 mm (4.0 in) on 13 April 1971.
Across 164 earlier years (1798 to 2026) the same calendar date averaged 485 records.

Record Map

390 stations

390 station records on 13 April 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 April 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Borroloola	Australia	Record daily precipitation	101.9 mm (4.0 in)	53 of 100 (Notable)
Wellington (Agrowplow)	Australia	Record daily precipitation	67.8 mm (2.7 in)	50 of 100 (Notable)
Mornington Island	Australia	Record daily precipitation	124.2 mm (4.9 in)	45 of 100 (Notable)
Nonda Downs Station	Australia	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Ashfield Bowling Club	Australia	Record daily precipitation	96.8 mm (3.8 in)	43 of 100 (Notable)
Northbridge (Sailors Bay)	Australia	Record daily precipitation	102.9 mm (4.1 in)	41 of 100 (Notable)
Lowville	United States	Record snow depth	12.7 cm (5.0 in)	41 of 100 (Notable)
Winthrop 1 WSW	United States	Record snow depth	22.9 cm (9.0 in)	41 of 100 (Notable)
Barkly Downs	Australia	Record daily precipitation	36.1 mm (1.4 in)	40 of 100 (Notable)
Hornsby (Pretoria Parade)	Australia	Record daily precipitation	91.4 mm (3.6 in)	40 of 100 (Notable)
Riverview Observatory	Australia	Record daily precipitation	81.8 mm (3.2 in)	39 of 100 (Notable)
Calton Hills Station	Australia	Record daily precipitation	62.2 mm (2.4 in)	38 of 100 (Notable)
Gosford (Gertrude Place)	Australia	Record daily precipitation	53.1 mm (2.1 in)	38 of 100 (Notable)
Balgowlah (Ethel Street)	Australia	Record daily precipitation	95.8 mm (3.8 in)	38 of 100 (Notable)
Coribe (Rio Alegre)	Brazil	Record daily precipitation	39.0 mm (1.5 in)	38 of 100 (Notable)
Inukjuak Ua	Canada	Record daily snowfall	5.8 cm (2.3 in)	38 of 100 (Notable)
Heartsease	South Africa	Record daily precipitation	60.0 mm (2.4 in)	38 of 100 (Notable)
Chasm Falls	United States	Record snow depth	76.2 cm (30.0 in)	38 of 100 (Notable)
Goedemoed	South Africa	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Richmond Post Office	Australia	Record low maximum temperature	21.3 C (70.3 F)	32 of 100 (Routine)
Carrollton	United States	Record high maximum temperature	28.3 C (82.9 F)	31 of 100 (Routine)
Cape Spencer	United States	Record daily precipitation	67.6 mm (2.7 in)	31 of 100 (Routine)
Elberton 2 N	United States	Record high minimum temperature	18.3 C (64.9 F)	30 of 100 (Routine)
Eastport	United States	Record high maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Bellefonte 4 S	United States	Record high maximum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Joliet	United States	Record high maximum temperature	28.9 C (84.0 F)	30 of 100 (Routine)
Fazenda Belmonte	Brazil	Record daily precipitation	33.4 mm (1.3 in)	29 of 100 (Routine)
Russellville	United States	Record high minimum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Hereford	United States	Record high maximum temperature	32.8 C (91.0 F)	29 of 100 (Routine)
Burketown Post Office	Australia	Record low maximum temperature	24.0 C (75.2 F)	28 of 100 (Routine)
Bedford	United States	Record high maximum temperature	31.1 C (88.0 F)	28 of 100 (Routine)
Houghton Lake 6 WSW	United States	Record daily precipitation	29.7 mm (1.2 in)	27 of 100 (Routine)
Wanakena Rngr School	United States	Record snow depth	55.9 cm (22.0 in)	27 of 100 (Routine)
Sedgefield (Bundajon)	Australia	Record daily precipitation	38.9 mm (1.5 in)	26 of 100 (Routine)
Cruzeiro	Brazil	Record daily precipitation	89.0 mm (3.5 in)	26 of 100 (Routine)
Amiandos	Cyprus	Record daily precipitation	41.1 mm (1.6 in)	26 of 100 (Routine)
El Chico	Mexico	Record low minimum temperature	2.8 C (37.0 F)	26 of 100 (Routine)
Ft Benton	United States	Record low minimum temperature	-8.3 C (17.1 F)	26 of 100 (Routine)
Summit	United States	Record snow depth	284.5 cm (112.0 in)	26 of 100 (Routine)
Grapevine Dam	United States	Record high maximum temperature	30.6 C (87.1 F)	26 of 100 (Routine)
Muscoda	United States	Record daily precipitation	38.6 mm (1.5 in)	26 of 100 (Routine)
Mount Isa Mine	Australia	Record daily precipitation	26.9 mm (1.1 in)	25 of 100 (Routine)
Bankstown (Condell Park)	Australia	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Chatswood Council Depot	Australia	Record daily precipitation	68.1 mm (2.7 in)	25 of 100 (Routine)
Ryde Pumping Station	Australia	Record daily precipitation	58.2 mm (2.3 in)	25 of 100 (Routine)
San Diego de la Union	Mexico	Record low minimum temperature	2.2 C (36.0 F)	25 of 100 (Routine)
Stamford Station	Australia	Record daily precipitation	27.2 mm (1.1 in)	24 of 100 (Routine)
S.Joao Do Piaui	Brazil	Record daily precipitation	63.2 mm (2.5 in)	24 of 100 (Routine)
Clarke City	Canada	Record high minimum temperature	0.6 C (33.1 F)	24 of 100 (Routine)
Piaxtla	Mexico	Record low minimum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Marion	United States	Record high maximum temperature	31.7 C (89.1 F)	24 of 100 (Routine)
Buckley 1 NE	United States	Record high minimum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Lynxville Dam 9	United States	Record daily precipitation	27.9 mm (1.1 in)	24 of 100 (Routine)
Mbabane	Swaziland	Record daily precipitation	33.4 mm (1.3 in)	24 of 100 (Routine)
Turramurra (Kissing Point Road	Australia	Record daily precipitation	68.1 mm (2.7 in)	23 of 100 (Routine)
Valentia Observatory	Ireland	Record high maximum temperature	18.1 C (64.6 F)	23 of 100 (Routine)
Hialeah	United States	Record low minimum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Lexington 3E	United States	Record high maximum temperature	31.1 C (88.0 F)	23 of 100 (Routine)
Carrizozo 1SW	United States	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Hillsboro	United States	Record high minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)

Counts by Type and Timescale

390 records

Records set or tied on 13 April 1971 by type: Highest daily maximum 116, Lowest daily maximum 10, Highest daily minimum 47, Lowest daily minimum 28, Heaviest daily rainfall 171, Heaviest daily snowfall 6, Deepest snow cover 12.

Records on 13 April 1971 by type
Record type	Records
Highest daily maximum	116
Lowest daily maximum	10
Highest daily minimum	47
Lowest daily minimum	28
Heaviest daily rainfall	171
Heaviest daily snowfall	6
Deepest snow cover	12

Records on 13 April 1971 by timescale: all-time 0, monthly 4, daily 386.

How Much Records Were Beaten By

314 broken records

Margins by which the 314 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 813.0. Ties are not counted.

Top 20 by Significance

13 April 1971

Top 20 records on 13 April 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 April 1971	Borroloola, AU	daily rain	101.9 mm (4.0 in)	71.4 mm (2.8 in)	64 years	53 of 100 (Notable)
13 April 1971	Wellington (Agrowplow), AU	daily rain	67.8 mm (2.7 in)	48.5 mm (1.9 in)	5 years	50 of 100 (Notable)
13 April 1971	Mornington Island, AU	daily rain	124.2 mm (4.9 in)	107.9 mm (4.2 in)	2 years	45 of 100 (Notable)
13 April 1971	Nonda Downs Station, AU	daily rain	38.1 mm (1.5 in)	38.1 mm (1.5 in)	57 years	44 of 100 (Notable)
13 April 1971	Ashfield Bowling Club, AU	daily rain	96.8 mm (3.8 in)	40.9 mm (1.6 in)	36 years	43 of 100 (Notable)
13 April 1971	Northbridge (Sailors Bay), AU	daily rain	102.9 mm (4.1 in)	58.4 mm (2.3 in)	18 years	41 of 100 (Notable)
13 April 1971	Lowville, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	52 years	41 of 100 (Notable)
13 April 1971	Winthrop 1 WSW, US	daily snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	40 years	41 of 100 (Notable)
13 April 1971	Barkly Downs, AU	daily rain	36.1 mm (1.4 in)	36.1 mm (1.4 in)	65 years	40 of 100 (Notable)
13 April 1971	Hornsby (Pretoria Parade), AU	daily rain	91.4 mm (3.6 in)	54.6 mm (2.1 in)	36 years	40 of 100 (Notable)
13 April 1971	Riverview Observatory, AU	daily rain	81.8 mm (3.2 in)	31.5 mm (1.2 in)	36 years	39 of 100 (Notable)
13 April 1971	Calton Hills Station, AU	daily rain	62.2 mm (2.4 in)	50.8 mm (2.0 in)	28 years	38 of 100 (Notable)
13 April 1971	Gosford (Gertrude Place), AU	daily rain	53.1 mm (2.1 in)	9.7 mm (0.38 in)	84 years	38 of 100 (Notable)
13 April 1971	Balgowlah (Ethel Street), AU	daily rain	95.8 mm (3.8 in)	56.2 mm (2.2 in)	18 years	38 of 100 (Notable)
13 April 1971	Coribe (Rio Alegre), BR	daily rain	39.0 mm (1.5 in)	32.5 mm (1.3 in)	25 years	38 of 100 (Notable)
13 April 1971	Inukjuak Ua, CA	daily snowfall	5.8 cm (2.3 in)	4.5 cm (1.8 in)	32 years	38 of 100 (Notable)
13 April 1971	Heartsease, ZA	daily rain	60.0 mm (2.4 in)	44.8 mm (1.8 in)	22 years	38 of 100 (Notable)
13 April 1971	Chasm Falls, US	daily snow depth	76.2 cm (30.0 in)	50.8 cm (20.0 in)	0 years	38 of 100 (Notable)
13 April 1971	Goedemoed, ZA	daily rain	40.0 mm (1.6 in)	21.7 mm (0.9 in)	24 years	34 of 100 (Routine)
13 April 1971	Richmond Post Office, AU	daily low max	21.3 C (70.3 F)	5.9 C (10.6 F)	22 years	32 of 100 (Routine)

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

1798 to 1971

Records set or tied on this calendar date in each year from 1798 to 1971. 1971 had 390 records.

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

Records on 04-13 in each year
Year	Records
1798	1
1806	1
1809	2
1812	1
1817	1
1830	1
1831	1
1834	1
1836	1
1837	1
1839	2
1849	1
1852	1
1854	1
1856	2
1862	1
1864	1
1865	3
1869	3
1872	1
1874	1
1875	3
1876	2
1878	1
1879	2
1882	2
1885	1
1886	3
1889	2
1890	8
1891	2
1892	4
1894	1
1895	1
1896	3
1897	4
1898	2
1899	2
1900	5
1901	1
1902	3
1903	11
1904	15
1905	9
1906	23
1907	16
1908	6
1909	37
1910	13
1911	32
1912	41
1913	62
1914	58
1915	17
1916	47
1917	36
1918	35
1919	26
1920	258
1921	59
1922	74
1923	125
1924	96
1925	137
1926	232
1927	167
1928	139
1929	117
1930	477
1931	339
1932	392
1933	489
1934	674
1935	480
1936	435
1937	185
1938	268
1939	857
1940	1,562
1941	1,085
1942	137
1943	745
1944	212
1945	978
1946	391
1947	532
1948	595
1949	302
1950	1,352
1951	715
1952	738
1953	609
1954	504
1955	665
1956	294
1957	714
1958	465
1959	515
1960	286
1961	669
1962	603
1963	353
1964	408
1965	656
1966	563
1967	665
1968	739
1969	324
1970	624
1971	390
1972	1,411
1973	701
1974	729
1975	675
1976	807
1977	1,066
1978	448
1979	715
1980	734
1981	872
1982	710
1983	1,394
1984	397
1985	746
1986	1,509
1987	768
1988	1,145
1989	1,671
1990	800
1991	1,326
1992	1,189
1993	574
1994	1,104
1995	789
1996	913
1997	2,451
1998	1,710
1999	631
2000	956
2001	1,013
2002	916
2003	1,245
2004	1,091
2005	425
2006	1,023
2007	1,271
2008	1,021
2009	760
2010	1,028
2011	761
2012	609
2013	759
2014	868
2015	607
2016	510
2017	454
2018	914
2019	736
2020	2,051
2021	465
2022	2,173
2023	1,433
2024	1,172
2025	952
2026	849

Download the Data

Data for records on 1971-04-13: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 200	310
200 to 400	2
400 to 600	1
600 to 800	0
800 to 1000	1