Weather Records on 3 April 1966

437 weather records were set or tied worldwide on 3 April 1966. Highest significance: Mount Florance, AU.

Key Facts for 3 April 1966

On 3 April 1966, 437 weather records were set or tied at long-record stations worldwide.
141 were record highs and 101 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 40 monthly and 397 daily.
Mount Florance set a monthly record daily precipitation of 150.6 mm (5.9 in) on 3 April 1966.
Across 159 earlier years (1815 to 2026) the same calendar date averaged 483 records.

Record Map

437 stations

437 station records on 3 April 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 April 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mount Florance	Australia	Record daily precipitation	150.6 mm (5.9 in)	72 of 100 (Major)
Millstream	Australia	Record daily precipitation	209.8 mm (8.3 in)	69 of 100 (Major)
Wallareenya	Australia	Record daily precipitation	106.2 mm (4.2 in)	63 of 100 (Major)
Mount Wittenoom	Australia	Record daily precipitation	45.7 mm (1.8 in)	63 of 100 (Major)
Jonacatepec	Mexico	Record daily precipitation	40.9 mm (1.6 in)	60 of 100 (Major)
Mulga Downs	Australia	Record daily precipitation	91.7 mm (3.6 in)	57 of 100 (Notable)
Boodarie	Australia	Record daily precipitation	152.7 mm (6.0 in)	56 of 100 (Notable)
Ciudad Hidalgo (Smn)	Mexico	Record low maximum temperature	15.6 C (60.1 F)	54 of 100 (Notable)
Atlatlahuacan	Mexico	Record daily precipitation	30.5 mm (1.2 in)	54 of 100 (Notable)
Whim Creek	Australia	Record daily precipitation	140.5 mm (5.5 in)	51 of 100 (Notable)
Tepeaca	Mexico	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Carey Downs	Australia	Record daily precipitation	36.6 mm (1.4 in)	48 of 100 (Notable)
Yallalong	Australia	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Kooline	Australia	Record daily precipitation	59.4 mm (2.3 in)	47 of 100 (Notable)
Sarna	Sweden	Record daily precipitation	27.5 mm (1.1 in)	46 of 100 (Notable)
Roebourne	Australia	Record daily precipitation	146.3 mm (5.8 in)	43 of 100 (Notable)
Lead	United States	Record daily snowfall	50.8 cm (20.0 in)	43 of 100 (Notable)
Indee	Australia	Record daily precipitation	97.8 mm (3.9 in)	42 of 100 (Notable)
Sandsprings	Australia	Record daily precipitation	26.7 mm (1.1 in)	41 of 100 (Notable)
Ullawarra	Australia	Record daily precipitation	57.2 mm (2.3 in)	39 of 100 (Notable)
Tepeaca	Mexico	Record low maximum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Fernao Dias	Brazil	Record daily precipitation	50.2 mm (2.0 in)	37 of 100 (Notable)
Reriutaba	Brazil	Record daily precipitation	80.0 mm (3.1 in)	37 of 100 (Notable)
Sertania (Alagoa de Baixo)	Brazil	Record daily precipitation	56.0 mm (2.2 in)	37 of 100 (Notable)
Tabba Tabba	Australia	Record daily precipitation	72.4 mm (2.9 in)	36 of 100 (Notable)
Jaboticabal (Cpef)	Brazil	Record daily precipitation	53.0 mm (2.1 in)	36 of 100 (Notable)
Ahuacatlan	Mexico	Record low maximum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Huichapan	Mexico	Record low maximum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Apatzingan (Smn)	Mexico	Record low maximum temperature	30.0 C (86.0 F)	34 of 100 (Routine)
Brookings	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Mulyie	Australia	Record daily precipitation	84.6 mm (3.3 in)	33 of 100 (Routine)
Huajuapan de Leon (Smn)	Mexico	Record daily precipitation	25.9 mm (1.0 in)	33 of 100 (Routine)
Wanna	Australia	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Mount Phillip	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Presa Plutarco Elias Calles	Mexico	Record low maximum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Santa Cruz Juventino Rosas (S	Mexico	Record low maximum temperature	19.4 C (66.9 F)	32 of 100 (Routine)
N Bend SW Oregon Rgnl AP	United States	Record high maximum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
San Diego Curupatzeo	Mexico	Record low maximum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Orland	United States	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Lead	United States	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Mardie	Australia	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Bolnisi	Georgia	Record daily precipitation	27.1 mm (1.1 in)	30 of 100 (Routine)
Markovo	Russia	Record low minimum temperature	-41.0 C (-41.8 F)	30 of 100 (Routine)
Crescent City 3 NNW	United States	Record high maximum temperature	27.2 C (81.0 F)	30 of 100 (Routine)
Carlindie	Australia	Record daily precipitation	73.7 mm (2.9 in)	29 of 100 (Routine)
Mundabullangana	Australia	Record daily precipitation	142.2 mm (5.6 in)	29 of 100 (Routine)
Cobra Station	Australia	Record daily precipitation	44.5 mm (1.8 in)	29 of 100 (Routine)
Vaikom	India	Record daily precipitation	119.4 mm (4.7 in)	29 of 100 (Routine)
Huajuapan de Leon (Smn)	Mexico	Record low maximum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Riverside Fire STN 3	United States	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Shelby 2 NW	United States	Record low minimum temperature	-2.2 C (28.0 F)	29 of 100 (Routine)
Herzberg	Germany	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Maravatio	Mexico	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Santa Maria Asuncion Tlaxiaco	Mexico	Record low maximum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Millen 4 N	United States	Record low minimum temperature	0.0 C (32.0 F)	28 of 100 (Routine)
Vernonia	United States	Record low minimum temperature	-2.8 C (27.0 F)	28 of 100 (Routine)
Iguala (Smn)	Mexico	Record low maximum temperature	27.2 C (81.0 F)	27 of 100 (Routine)
Willows 6 W	United States	Record high minimum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Deadwood	United States	Record daily snowfall	38.1 cm (15.0 in)	27 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low minimum temperature	-4.3 C (24.3 F)	26 of 100 (Routine)

Counts by Type and Timescale

437 records

Records set or tied on 3 April 1966 by type: Highest daily maximum 84, Lowest daily maximum 51, Highest daily minimum 57, Lowest daily minimum 50, Heaviest daily rainfall 180, Heaviest daily snowfall 8, Deepest snow cover 7.

Records on 3 April 1966 by type
Record type	Records
Highest daily maximum	84
Lowest daily maximum	51
Highest daily minimum	57
Lowest daily minimum	50
Heaviest daily rainfall	180
Heaviest daily snowfall	8
Deepest snow cover	7

Records on 3 April 1966 by timescale: all-time 0, monthly 40, daily 397.

How Much Records Were Beaten By

359 broken records

Margins by which the 359 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 259.0. Ties are not counted.

Top 20 by Significance

3 April 1966

Top 20 records on 3 April 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 April 1966	Mount Florance, AU	monthly rain	150.6 mm (5.9 in)	69.3 mm (2.7 in)	48 years	72 of 100 (Major)
3 April 1966	Millstream, AU	monthly rain	209.8 mm (8.3 in)	133.6 mm (5.3 in)	42 years	69 of 100 (Major)
3 April 1966	Wallareenya, AU	monthly rain	106.2 mm (4.2 in)	46.0 mm (1.8 in)	28 years	63 of 100 (Major)
3 April 1966	Mount Wittenoom, AU	monthly rain	45.7 mm (1.8 in)	21.3 mm (0.8 in)	24 years	63 of 100 (Major)
3 April 1966	Jonacatepec, MX	monthly rain	40.9 mm (1.6 in)	19.1 mm (0.8 in)	26 years	60 of 100 (Major)
3 April 1966	Mulga Downs, AU	monthly rain	91.7 mm (3.6 in)	37.3 mm (1.5 in)	34 years	57 of 100 (Notable)
3 April 1966	Boodarie, AU	daily rain	152.7 mm (6.0 in)	121.5 mm (4.8 in)	32 years	56 of 100 (Notable)
3 April 1966	Ciudad Hidalgo (Smn), MX	daily low max	15.6 C (60.1 F)	10.0 C (18.0 F)	40 years	54 of 100 (Notable)
3 April 1966	Atlatlahuacan, MX	daily rain	30.5 mm (1.2 in)	30.5 mm (1.2 in)	40 years	54 of 100 (Notable)
3 April 1966	Whim Creek, AU	daily rain	140.5 mm (5.5 in)	121.4 mm (4.8 in)	21 years	51 of 100 (Notable)
3 April 1966	Tepeaca, MX	daily rain	47.8 mm (1.9 in)	42.2 mm (1.7 in)	23 years	49 of 100 (Notable)
3 April 1966	Carey Downs, AU	daily rain	36.6 mm (1.4 in)	33.6 mm (1.3 in)	33 years	48 of 100 (Notable)
3 April 1966	Yallalong, AU	daily rain	29.2 mm (1.1 in)	26.7 mm (1.1 in)	31 years	48 of 100 (Notable)
3 April 1966	Kooline, AU	daily rain	59.4 mm (2.3 in)	47.0 mm (1.9 in)	33 years	47 of 100 (Notable)
3 April 1966	Sarna, SE	monthly rain	27.5 mm (1.1 in)	1.2 mm (0.05 in)	83 years	46 of 100 (Notable)
3 April 1966	Roebourne, AU	monthly rain	146.3 mm (5.8 in)	50.0 mm (2.0 in)	11 years	43 of 100 (Notable)
3 April 1966	Lead, US	daily snowfall	50.8 cm (20.0 in)	25.9 cm (10.2 in)	20 years	43 of 100 (Notable)
3 April 1966	Indee, AU	monthly rain	97.8 mm (3.9 in)	29.7 mm (1.2 in)	28 years	42 of 100 (Notable)
3 April 1966	Sandsprings, AU	daily rain	26.7 mm (1.1 in)	26.4 mm (1.0 in)	53 years	41 of 100 (Notable)
3 April 1966	Ullawarra, AU	daily rain	57.2 mm (2.3 in)	34.3 mm (1.4 in)	21 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

1815 to 1966

Records set or tied on this calendar date in each year from 1815 to 1966. 1966 had 437 records.

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

Records on 04-03 in each year
Year	Records
1815	3
1830	1
1838	1
1848	1
1849	1
1850	1
1862	1
1867	2
1868	1
1873	1
1874	4
1875	1
1876	2
1878	1
1879	4
1880	2
1881	5
1882	1
1883	3
1884	1
1885	3
1886	2
1887	1
1888	1
1889	4
1891	4
1892	4
1893	3
1895	1
1896	3
1897	2
1898	3
1899	6
1900	12
1901	15
1902	2
1903	14
1904	2
1905	20
1906	9
1907	8
1908	14
1909	17
1910	25
1911	26
1912	19
1913	41
1914	28
1915	47
1916	159
1917	48
1918	20
1919	29
1920	60
1921	108
1922	24
1923	80
1924	207
1925	94
1926	205
1927	85
1928	378
1929	582
1930	148
1931	224
1932	308
1933	269
1934	732
1935	464
1936	1,264
1937	308
1938	216
1939	325
1940	500
1941	308
1942	334
1943	478
1944	760
1945	1,032
1946	683
1947	421
1948	313
1949	354
1950	713
1951	487
1952	243
1953	290
1954	1,051
1955	472
1956	842
1957	660
1958	591
1959	537
1960	506
1961	665
1962	353
1963	1,010
1964	615
1965	561
1966	437
1967	439
1968	446
1969	345
1970	572
1971	590
1972	732
1973	417
1974	877
1975	2,015
1976	340
1977	898
1978	498
1979	997
1980	713
1981	1,264
1982	1,183
1983	832
1984	1,046
1985	804
1986	634
1987	1,577
1988	975
1989	951
1990	1,018
1991	719
1992	1,974
1993	812
1994	574
1995	675
1996	736
1997	1,155
1998	1,051
1999	1,486
2000	1,167
2001	890
2002	1,190
2003	971
2004	840
2005	1,138
2006	776
2007	874
2008	935
2009	1,008
2010	1,325
2011	1,491
2012	1,027
2013	847
2014	796
2015	528
2016	637
2017	570
2018	1,085
2019	535
2020	916
2021	1,250
2022	721
2023	1,289
2024	1,027
2025	1,476
2026	725

Download the Data

Data for records on 1966-04-03: 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 50	348
50 to 100	3
100 to 150	6
150 to 200	1
200 to 250	0
250 to 300	1