Weather Records on 15 April 1965

504 weather records were set or tied worldwide on 15 April 1965. Highest significance: Lencois, BR.

Key Facts for 15 April 1965

On 15 April 1965, 504 weather records were set or tied at long-record stations worldwide.
98 were record highs and 61 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 494 daily.
Lencois set a monthly record daily precipitation of 144.0 mm (5.7 in) on 15 April 1965.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 493 records.

Record Map

504 stations

504 station records on 15 April 1965 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 1965: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lencois	Brazil	Record daily precipitation	144.0 mm (5.7 in)	58 of 100 (Notable)
De Aar	South Africa	Record daily precipitation	31.5 mm (1.2 in)	53 of 100 (Notable)
Camocim	Brazil	Record daily precipitation	150.0 mm (5.9 in)	51 of 100 (Notable)
Tacaratu	Brazil	Record daily precipitation	60.2 mm (2.4 in)	51 of 100 (Notable)
Swaelfontein	South Africa	Record daily precipitation	34.0 mm (1.3 in)	51 of 100 (Notable)
Rietfontein (Pol)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	50 of 100 (Notable)
Upper Mattole	United States	Record daily precipitation	120.7 mm (4.8 in)	50 of 100 (Notable)
Sume (Sao Tome)	Brazil	Record daily precipitation	100.3 mm (3.9 in)	47 of 100 (Notable)
Barrinha	Brazil	Record daily precipitation	44.4 mm (1.7 in)	44 of 100 (Notable)
Xique-Xique (Igatu)	Brazil	Record daily precipitation	61.2 mm (2.4 in)	43 of 100 (Notable)
Lillydale	South Africa	Record daily precipitation	36.0 mm (1.4 in)	40 of 100 (Notable)
S.Joao Do Piaui	Brazil	Record daily precipitation	34.1 mm (1.3 in)	39 of 100 (Notable)
Seward AP	United States	Record high maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Juneau Dwtn	United States	Record high maximum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Middelpos (Pol)	South Africa	Record daily precipitation	33.2 mm (1.3 in)	35 of 100 (Notable)
Marydale (Pol)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
De Soto	United States	Record daily precipitation	29.7 mm (1.2 in)	35 of 100 (Notable)
Jerome	United States	Record daily precipitation	39.1 mm (1.5 in)	35 of 100 (Notable)
Steele 4N	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Luling	United States	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
Timovskoe	Russia	Record high maximum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Quaggasdrift	South Africa	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Casa Nova	Brazil	Record daily precipitation	35.0 mm (1.4 in)	32 of 100 (Routine)
Carnaubas	Brazil	Record daily precipitation	121.0 mm (4.8 in)	32 of 100 (Routine)
Cabaceiras	Brazil	Record daily precipitation	36.5 mm (1.4 in)	32 of 100 (Routine)
Juremal (Jurema)	Brazil	Record daily precipitation	82.2 mm (3.2 in)	31 of 100 (Routine)
Kamuthi	India	Record daily precipitation	64.0 mm (2.5 in)	31 of 100 (Routine)
Williams	United States	Record snow depth	20.3 cm (8.0 in)	31 of 100 (Routine)
Cummings	United States	Record daily precipitation	71.1 mm (2.8 in)	31 of 100 (Routine)
Pilao Arcado	Brazil	Record daily precipitation	40.3 mm (1.6 in)	30 of 100 (Routine)
Floresta	Brazil	Record daily precipitation	45.2 mm (1.8 in)	29 of 100 (Routine)
Chilliwack	Canada	Record high minimum temperature	10.0 C (50.0 F)	28 of 100 (Routine)
Zwartmodder	South Africa	Record daily precipitation	49.0 mm (1.9 in)	28 of 100 (Routine)
Healdsburg	United States	Record daily precipitation	38.6 mm (1.5 in)	28 of 100 (Routine)
Cardston	Canada	Record daily snowfall	7.6 cm (3.0 in)	27 of 100 (Routine)
Hartebeesthoek	South Africa	Record daily precipitation	31.5 mm (1.2 in)	27 of 100 (Routine)
Bellrock	South Africa	Record daily precipitation	25.5 mm (1.0 in)	27 of 100 (Routine)
Redding Fire STN 2	United States	Record low maximum temperature	13.9 C (57.0 F)	27 of 100 (Routine)
Farmerville	United States	Record high minimum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Hermann	United States	Record daily precipitation	34.3 mm (1.4 in)	27 of 100 (Routine)
Brackettville	United States	Record high minimum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Fernie	Canada	Record daily snowfall	17.8 cm (7.0 in)	26 of 100 (Routine)
Henichesk	Ukraine	Record low maximum temperature	5.1 C (41.2 F)	26 of 100 (Routine)
Cuyamaca	United States	Record low minimum temperature	-2.8 C (27.0 F)	26 of 100 (Routine)
Acude Tucunduba	Brazil	Record daily precipitation	60.2 mm (2.4 in)	25 of 100 (Routine)
Bristow	United States	Record daily precipitation	34.8 mm (1.4 in)	25 of 100 (Routine)
Espirito Santo	Brazil	Record daily precipitation	86.6 mm (3.4 in)	24 of 100 (Routine)
Acude Macaubas	Brazil	Record daily precipitation	38.8 mm (1.5 in)	24 of 100 (Routine)
Grootpoort	South Africa	Record daily precipitation	40.8 mm (1.6 in)	24 of 100 (Routine)
Nikolaev	Ukraine	Record low maximum temperature	6.6 C (43.9 F)	24 of 100 (Routine)
University Exp STN	United States	Record high minimum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Walla Walla WSO City	United States	Record high minimum temperature	12.8 C (55.0 F)	24 of 100 (Routine)
Arneiroz	Brazil	Record daily precipitation	41.4 mm (1.6 in)	23 of 100 (Routine)
Boa Viagem	Brazil	Record daily precipitation	72.0 mm (2.8 in)	23 of 100 (Routine)
Areia (Ufpb)	Brazil	Record daily precipitation	47.0 mm (1.9 in)	23 of 100 (Routine)
Caruaru	Brazil	Record daily precipitation	32.0 mm (1.3 in)	23 of 100 (Routine)
Pekisko	Canada	Record low maximum temperature	-3.3 C (26.1 F)	23 of 100 (Routine)
Sussex	Canada	Record low minimum temperature	-11.1 C (12.0 F)	23 of 100 (Routine)
Nedumangad	India	Record daily precipitation	69.1 mm (2.7 in)	23 of 100 (Routine)
Wamakersvlei	South Africa	Record daily precipitation	26.8 mm (1.1 in)	23 of 100 (Routine)

Counts by Type and Timescale

504 records

Records set or tied on 15 April 1965 by type: Highest daily maximum 33, Lowest daily maximum 35, Highest daily minimum 65, Lowest daily minimum 26, Heaviest daily rainfall 322, Heaviest daily snowfall 20, Deepest snow cover 3.

Records on 15 April 1965 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	35
Highest daily minimum	65
Lowest daily minimum	26
Heaviest daily rainfall	322
Heaviest daily snowfall	20
Deepest snow cover	3

Records on 15 April 1965 by timescale: all-time 1, monthly 9, daily 494.

How Much Records Were Beaten By

444 broken records

Margins by which the 444 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 104.4. Ties are not counted.

Top 20 by Significance

15 April 1965

Top 20 records on 15 April 1965 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 1965	Lencois, BR	monthly rain	144.0 mm (5.7 in)	57.7 mm (2.3 in)	10 years	58 of 100 (Notable)
15 April 1965	De Aar, ZA	daily rain	31.5 mm (1.2 in)	23.9 mm (0.9 in)	64 years	53 of 100 (Notable)
15 April 1965	Camocim, BR	daily rain	150.0 mm (5.9 in)	104.4 mm (4.1 in)	20 years	51 of 100 (Notable)
15 April 1965	Tacaratu, BR	daily rain	60.2 mm (2.4 in)	48.7 mm (1.9 in)	24 years	51 of 100 (Notable)
15 April 1965	Swaelfontein, ZA	daily rain	34.0 mm (1.3 in)	25.6 mm (1.0 in)	51 years	51 of 100 (Notable)
15 April 1965	Rietfontein (Pol), ZA	daily rain	40.0 mm (1.6 in)	27.3 mm (1.1 in)	58 years	50 of 100 (Notable)
15 April 1965	Upper Mattole, US	daily rain	120.7 mm (4.8 in)	71.2 mm (2.8 in)	16 years	50 of 100 (Notable)
15 April 1965	Sume (Sao Tome), BR	daily rain	100.3 mm (3.9 in)	90.3 mm (3.6 in)	15 years	47 of 100 (Notable)
15 April 1965	Barrinha, BR	daily rain	44.4 mm (1.7 in)	44.4 mm (1.7 in)	31 years	44 of 100 (Notable)
15 April 1965	Xique-Xique (Igatu), BR	daily rain	61.2 mm (2.4 in)	44.9 mm (1.8 in)	44 years	43 of 100 (Notable)
15 April 1965	Lillydale, ZA	daily rain	36.0 mm (1.4 in)	23.3 mm (0.9 in)	36 years	40 of 100 (Notable)
15 April 1965	S.Joao Do Piaui, BR	daily rain	34.1 mm (1.3 in)	34.1 mm (1.3 in)	54 years	39 of 100 (Notable)
15 April 1965	Seward AP, US	daily high max	17.8 C (64.0 F)	6.7 C (12.1 F)	48 years	39 of 100 (Notable)
15 April 1965	Juneau Dwtn, US	daily high max	16.7 C (62.1 F)	4.5 C (8.1 F)	59 years	36 of 100 (Notable)
15 April 1965	Middelpos (Pol), ZA	daily rain	33.2 mm (1.3 in)	13.6 mm (0.5 in)	27 years	35 of 100 (Notable)
15 April 1965	Marydale (Pol), ZA	daily rain	31.0 mm (1.2 in)	23.4 mm (0.9 in)	22 years	35 of 100 (Notable)
15 April 1965	De Soto, US	daily rain	29.7 mm (1.2 in)	15.5 mm (0.6 in)	58 years	35 of 100 (Notable)
15 April 1965	Jerome, US	daily rain	39.1 mm (1.5 in)	25.6 mm (1.0 in)	24 years	35 of 100 (Notable)
15 April 1965	Steele 4N, US	daily snowfall	10.2 cm (4.0 in)	9.7 cm (3.8 in)	52 years	35 of 100 (Notable)
15 April 1965	Luling, US	daily rain	30.5 mm (1.2 in)	27.5 mm (1.1 in)	47 years	35 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

1801 to 1965

Records set or tied on this calendar date in each year from 1801 to 1965. 1965 had 504 records.

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

Records on 04-15 in each year
Year	Records
1801	1
1817	1
1820	1
1844	1
1845	1
1847	1
1849	1
1853	2
1855	2
1858	1
1862	3
1865	3
1866	1
1868	1
1869	2
1873	1
1874	1
1876	1
1880	1
1882	1
1885	3
1886	1
1887	3
1889	2
1890	3
1891	2
1892	8
1893	2
1894	1
1896	2
1897	1
1898	2
1899	4
1900	9
1901	2
1902	4
1903	8
1904	39
1905	11
1906	20
1907	18
1908	15
1909	18
1910	16
1911	20
1912	24
1913	39
1914	17
1915	13
1916	15
1917	35
1918	40
1919	22
1920	50
1921	59
1922	94
1923	178
1924	172
1925	168
1926	453
1927	321
1928	631
1929	91
1930	289
1931	388
1932	150
1933	300
1934	339
1935	515
1936	439
1937	277
1938	596
1939	789
1940	581
1941	628
1942	525
1943	1,037
1944	313
1945	783
1946	245
1947	532
1948	306
1949	419
1950	568
1951	504
1952	357
1953	475
1954	896
1955	484
1956	750
1957	378
1958	458
1959	314
1960	319
1961	877
1962	733
1963	714
1964	382
1965	504
1966	464
1967	599
1968	476
1969	555
1970	841
1971	640
1972	896
1973	667
1974	385
1975	780
1976	1,566
1977	649
1978	426
1979	370
1980	1,066
1981	724
1982	955
1983	1,343
1984	612
1985	788
1986	1,140
1987	579
1988	839
1989	836
1990	837
1991	769
1992	783
1993	1,156
1994	835
1995	805
1996	1,173
1997	1,031
1998	1,752
1999	1,249
2000	1,163
2001	1,043
2002	1,866
2003	1,760
2004	761
2005	583
2006	1,637
2007	1,776
2008	1,157
2009	853
2010	804
2011	1,162
2012	1,007
2013	1,146
2014	1,721
2015	739
2016	602
2017	474
2018	1,913
2019	610
2020	1,068
2021	494
2022	1,145
2023	912
2024	1,096
2025	860
2026	1,118

Download the Data

Data for records on 1965-04-15: 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 20	401
20 to 40	28
40 to 60	6
60 to 80	3
80 to 100	4
100 to 120	2