Weather Records on 23 April 1971

508 weather records were set or tied worldwide on 23 April 1971. Highest significance: Malin Head, IE.

Key Facts for 23 April 1971

On 23 April 1971, 508 weather records were set or tied at long-record stations worldwide.
95 were record highs and 125 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 16 monthly and 491 daily.
Malin Head set a monthly record daily precipitation of 32.1 mm (1.3 in) on 23 April 1971.
Across 167 earlier years (1800 to 2026) the same calendar date averaged 444 records.

Record Map

508 stations

508 station records on 23 April 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 April 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Malin Head	Ireland	Record daily precipitation	32.1 mm (1.3 in)	68 of 100 (Major)
Hoxie	United States	Record daily precipitation	73.7 mm (2.9 in)	59 of 100 (Notable)
Gore Bay	Canada	Record daily snowfall	10.2 cm (4.0 in)	57 of 100 (Notable)
Wisley	United Kingdom	Record daily precipitation	28.5 mm (1.1 in)	56 of 100 (Notable)
Chasm Falls	United States	Record snow depth	81.3 cm (32.0 in)	56 of 100 (Notable)
Lyon - St Exupery	France	Record daily precipitation	37.7 mm (1.5 in)	55 of 100 (Notable)
Sheffield	United Kingdom	Record daily precipitation	48.3 mm (1.9 in)	55 of 100 (Notable)
Armagh	United Kingdom	Record daily precipitation	34.5 mm (1.4 in)	53 of 100 (Notable)
Bradford	United Kingdom	Record daily precipitation	36.0 mm (1.4 in)	52 of 100 (Notable)
Stornoway Airport	United Kingdom	Record daily precipitation	26.0 mm (1.0 in)	50 of 100 (Notable)
Loretta 1W	United States	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)
Buxton	United Kingdom	Record daily precipitation	41.6 mm (1.6 in)	49 of 100 (Notable)
Ellis	United States	Record daily precipitation	62.2 mm (2.4 in)	49 of 100 (Notable)
Nuuanu Rsch 4 783	United States	Record daily precipitation	175.8 mm (6.9 in)	47 of 100 (Notable)
Montelimar	France	Record daily precipitation	49.9 mm (2.0 in)	46 of 100 (Notable)
Santo Amaro	Brazil	Record daily precipitation	44.4 mm (1.7 in)	45 of 100 (Notable)
McCracken	United States	Record daily precipitation	59.7 mm (2.4 in)	44 of 100 (Notable)
Paranapiacaba (Alto da Serra)	Brazil	Record daily precipitation	114.3 mm (4.5 in)	43 of 100 (Notable)
White River	Canada	Record daily snowfall	13.0 cm (5.1 in)	43 of 100 (Notable)
Paisley	United Kingdom	Record daily precipitation	25.8 mm (1.0 in)	40 of 100 (Notable)
McGill	United States	Record snow depth	12.7 cm (5.0 in)	39 of 100 (Notable)
Georgetown Post Office	Australia	Record low maximum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Canaa (Cmef)	Brazil	Record daily precipitation	38.0 mm (1.5 in)	38 of 100 (Notable)
Franco da Rocha (Hosp.Juqueri)	Brazil	Record daily precipitation	30.9 mm (1.2 in)	38 of 100 (Notable)
Bison 3NW	United States	Record daily precipitation	64.0 mm (2.5 in)	38 of 100 (Notable)
Dresden	United States	Record daily precipitation	73.2 mm (2.9 in)	38 of 100 (Notable)
Lenora Coop	United States	Record daily precipitation	57.2 mm (2.3 in)	38 of 100 (Notable)
Nicosia	Cyprus	Record low maximum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Freiburg	Germany	Record high minimum temperature	13.6 C (56.5 F)	37 of 100 (Notable)
Wanakena Rngr School	United States	Record daily snowfall	20.8 cm (8.2 in)	37 of 100 (Notable)
Honaunau 27	United States	Record daily precipitation	31.5 mm (1.2 in)	37 of 100 (Notable)
Searcy	United States	Record daily precipitation	68.1 mm (2.7 in)	36 of 100 (Notable)
Newberry	United States	Record daily precipitation	42.7 mm (1.7 in)	36 of 100 (Notable)
Cartersville	United States	Record daily precipitation	62.7 mm (2.5 in)	35 of 100 (Notable)
Gregory Springs Station	Australia	Record daily precipitation	26.4 mm (1.0 in)	34 of 100 (Routine)
Usina Tamoio (Bela Vista)	Brazil	Record daily precipitation	26.5 mm (1.0 in)	34 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	9.8 C (49.6 F)	34 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record low minimum temperature	-20.8 C (-5.4 F)	34 of 100 (Routine)
New Bern 3 NW	United States	Record low minimum temperature	2.2 C (36.0 F)	34 of 100 (Routine)
Parelhas (Dnocs)	Brazil	Record daily precipitation	58.3 mm (2.3 in)	33 of 100 (Routine)
Lucan	Canada	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Hays 1 S	United States	Record daily precipitation	59.9 mm (2.4 in)	33 of 100 (Routine)
Port Lavaca 2	United States	Record high maximum temperature	33.9 C (93.0 F)	32 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high maximum temperature	23.2 C (73.8 F)	31 of 100 (Routine)
Milagres	Brazil	Record daily precipitation	57.8 mm (2.3 in)	31 of 100 (Routine)
Melville	United States	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Greeneville Exp STN	United States	Record low minimum temperature	-2.2 C (28.0 F)	31 of 100 (Routine)
Mairipora	Brazil	Record daily precipitation	33.3 mm (1.3 in)	30 of 100 (Routine)
Santo Antonio	Brazil	Record daily precipitation	108.0 mm (4.3 in)	30 of 100 (Routine)
Den Helder	Netherlands	Record high minimum temperature	12.0 C (53.6 F)	30 of 100 (Routine)
Durham	United Kingdom	Record daily precipitation	32.2 mm (1.3 in)	30 of 100 (Routine)
Scottsboro	United States	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
Tupper Lake Sunmount	United States	Record daily snowfall	7.6 cm (3.0 in)	30 of 100 (Routine)
Albemarle	United States	Record low maximum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Webster Springs	United States	Record low minimum temperature	-3.9 C (25.0 F)	30 of 100 (Routine)
Sao Vicente (Luiza)	Brazil	Record daily precipitation	80.6 mm (3.2 in)	29 of 100 (Routine)
Hull	United Kingdom	Record daily precipitation	29.7 mm (1.2 in)	29 of 100 (Routine)
Plainville 4WNW	United States	Record daily precipitation	51.8 mm (2.0 in)	29 of 100 (Routine)
Booneville	United States	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Chester 1 SE	United States	Record daily precipitation	41.1 mm (1.6 in)	29 of 100 (Routine)

Counts by Type and Timescale

508 records

Records set or tied on 23 April 1971 by type: Highest daily maximum 31, Lowest daily maximum 49, Highest daily minimum 64, Lowest daily minimum 76, Heaviest daily rainfall 256, Heaviest daily snowfall 23, Deepest snow cover 9.

Records on 23 April 1971 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	49
Highest daily minimum	64
Lowest daily minimum	76
Heaviest daily rainfall	256
Heaviest daily snowfall	23
Deepest snow cover	9

Records on 23 April 1971 by timescale: all-time 1, monthly 16, daily 491.

How Much Records Were Beaten By

433 broken records

Margins by which the 433 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 711.0. Ties are not counted.

Top 20 by Significance

23 April 1971

Top 20 records on 23 April 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 April 1971	Malin Head, IE	monthly rain	32.1 mm (1.3 in)	8.5 mm (0.33 in)	82 years	68 of 100 (Major)
23 April 1971	Hoxie, US	monthly rain	73.7 mm (2.9 in)	22.9 mm (0.9 in)	55 years	59 of 100 (Notable)
23 April 1971	Gore Bay, CA	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	89 years	57 of 100 (Notable)
23 April 1971	Wisley, GB	daily rain	28.5 mm (1.1 in)	12.2 mm (0.5 in)	62 years	56 of 100 (Notable)
23 April 1971	Chasm Falls, US	daily snow depth	81.3 cm (32.0 in)	71.1 cm (28.0 in)	40 years	56 of 100 (Notable)
23 April 1971	Lyon - St Exupery, FR	daily rain	37.7 mm (1.5 in)	27.4 mm (1.1 in)	36 years	55 of 100 (Notable)
23 April 1971	Sheffield, GB	daily rain	48.3 mm (1.9 in)	28.7 mm (1.1 in)	24 years	55 of 100 (Notable)
23 April 1971	Armagh, GB	monthly rain	34.5 mm (1.4 in)	1.5 mm (0.06 in)	113 years	53 of 100 (Notable)
23 April 1971	Bradford, GB	daily rain	36.0 mm (1.4 in)	17.9 mm (0.7 in)	24 years	52 of 100 (Notable)
23 April 1971	Stornoway Airport, GB	daily rain	26.0 mm (1.0 in)	16.0 mm (0.6 in)	20 years	50 of 100 (Notable)
23 April 1971	Loretta 1W, US	daily rain	63.5 mm (2.5 in)	51.3 mm (2.0 in)	25 years	50 of 100 (Notable)
23 April 1971	Buxton, GB	daily rain	41.6 mm (1.6 in)	19.0 mm (0.7 in)	24 years	49 of 100 (Notable)
23 April 1971	Ellis, US	monthly rain	62.2 mm (2.4 in)	24.6 mm (1.0 in)	11 years	49 of 100 (Notable)
23 April 1971	Nuuanu Rsch 4 783, US	daily rain	175.8 mm (6.9 in)	137.2 mm (5.4 in)	13 years	47 of 100 (Notable)
23 April 1971	Montelimar, FR	daily rain	49.9 mm (2.0 in)	30.1 mm (1.2 in)	36 years	46 of 100 (Notable)
23 April 1971	Santo Amaro, BR	daily rain	44.4 mm (1.7 in)	37.2 mm (1.5 in)	18 years	45 of 100 (Notable)
23 April 1971	McCracken, US	daily rain	59.7 mm (2.4 in)	24.9 mm (1.0 in)	57 years	44 of 100 (Notable)
23 April 1971	Paranapiacaba (Alto da Serra), BR	daily rain	114.3 mm (4.5 in)	101.6 mm (4.0 in)	24 years	43 of 100 (Notable)
23 April 1971	White River, CA	daily snowfall	13.0 cm (5.1 in)	7.9 cm (3.1 in)	60 years	43 of 100 (Notable)
23 April 1971	Paisley, GB	daily rain	25.8 mm (1.0 in)	12.1 mm (0.5 in)	34 years	40 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

1800 to 1971

Records set or tied on this calendar date in each year from 1800 to 1971. 1971 had 508 records.

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

Records on 04-23 in each year
Year	Records
1800	1
1809	1
1812	1
1817	3
1838	1
1840	1
1842	1
1851	1
1852	2
1854	1
1855	5
1857	2
1859	1
1861	1
1865	1
1868	2
1870	1
1872	1
1873	4
1874	4
1875	1
1877	1
1878	1
1879	1
1881	2
1882	1
1883	2
1884	3
1885	4
1886	4
1888	1
1889	1
1890	4
1891	2
1892	1
1893	2
1895	3
1896	4
1897	2
1898	1
1899	6
1900	4
1901	9
1902	12
1903	20
1904	8
1905	7
1906	23
1907	12
1908	14
1909	28
1910	35
1911	21
1912	29
1913	40
1914	71
1915	41
1916	35
1917	37
1918	92
1919	66
1920	75
1921	81
1922	45
1923	132
1924	111
1925	506
1926	124
1927	562
1928	302
1929	103
1930	487
1931	506
1932	231
1933	361
1934	272
1935	152
1936	342
1937	321
1938	177
1939	339
1940	319
1941	277
1942	473
1943	819
1944	678
1945	364
1946	649
1947	242
1948	401
1949	401
1950	577
1951	426
1952	500
1953	300
1954	548
1955	654
1956	581
1957	623
1958	649
1959	442
1960	1,648
1961	884
1962	389
1963	801
1964	958
1965	660
1966	386
1967	1,183
1968	816
1969	705
1970	1,209
1971	508
1972	332
1973	518
1974	486
1975	411
1976	386
1977	979
1978	523
1979	554
1980	1,460
1981	1,124
1982	1,191
1983	1,031
1984	971
1985	1,011
1986	1,541
1987	676
1988	1,051
1989	1,469
1990	1,077
1991	638
1992	592
1993	1,256
1994	666
1995	1,464
1996	1,520
1997	1,024
1998	1,446
1999	1,198
2000	1,003
2001	1,435
2002	971
2003	557
2004	610
2005	940
2006	839
2007	847
2008	775
2009	920
2010	1,040
2011	1,190
2012	1,796
2013	1,655
2014	362
2015	511
2016	542
2017	474
2018	684
2019	668
2020	564
2021	562
2022	692
2023	980
2024	583
2025	410
2026	503

Download the Data

Data for records on 1971-04-23: 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	424
100 to 200	8
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	0
700 to 800	1