Weather Records on 25 April 1966

541 weather records were set or tied worldwide on 25 April 1966. Highest significance: Yamba Pilot Station, AU.

Key Facts for 25 April 1966

On 25 April 1966, 541 weather records were set or tied at long-record stations worldwide.
68 were record highs and 51 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 532 daily.
Yamba Pilot Station set a daily record precipitation of 121.7 mm (4.8 in) on 25 April 1966.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 440 records.

Record Map

541 stations

541 station records on 25 April 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 April 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yamba Pilot Station	Australia	Record daily precipitation	121.7 mm (4.8 in)	64 of 100 (Major)
Banff	Canada	Record daily precipitation	28.4 mm (1.1 in)	54 of 100 (Notable)
Broadwater Sugar Mill	Australia	Record daily precipitation	128.8 mm (5.1 in)	52 of 100 (Notable)
Calgary Int'l A	Canada	Record daily snowfall	22.9 cm (9.0 in)	50 of 100 (Notable)
Carrizo Springs 3S	United States	Record daily precipitation	97.0 mm (3.8 in)	50 of 100 (Notable)
Mombaca	Brazil	Record daily precipitation	82.0 mm (3.2 in)	49 of 100 (Notable)
Melita	Australia	Record daily precipitation	29.2 mm (1.1 in)	47 of 100 (Notable)
Woolgoolga (Clear Place)	Australia	Record daily precipitation	95.8 mm (3.8 in)	47 of 100 (Notable)
Cleburne	United States	Record daily precipitation	87.6 mm (3.4 in)	45 of 100 (Notable)
Crockett	United States	Record daily precipitation	97.5 mm (3.8 in)	45 of 100 (Notable)
Sinton	United States	Record daily precipitation	114.8 mm (4.5 in)	44 of 100 (Notable)
Lismore (Centre Street)	Australia	Record daily precipitation	59.2 mm (2.3 in)	43 of 100 (Notable)
Sriperumbudur	India	Record daily precipitation	57.0 mm (2.2 in)	43 of 100 (Notable)
Texarkana Webb Fld	United States	Record daily precipitation	113.5 mm (4.5 in)	43 of 100 (Notable)
Senador Pompeu	Brazil	Record daily precipitation	59.8 mm (2.4 in)	42 of 100 (Notable)
Bald Knob	Australia	Record daily precipitation	89.7 mm (3.5 in)	41 of 100 (Notable)
Burnerbinmah	Australia	Record daily precipitation	28.7 mm (1.1 in)	40 of 100 (Notable)
Jimbour State School	Australia	Record daily precipitation	35.8 mm (1.4 in)	40 of 100 (Notable)
Upper Orara (Aurania)	Australia	Record daily precipitation	116.1 mm (4.6 in)	40 of 100 (Notable)
Thundelarra	Australia	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Muresk Agric.College	Australia	Record daily precipitation	25.9 mm (1.0 in)	39 of 100 (Notable)
Stamford 1	United States	Record daily precipitation	72.1 mm (2.8 in)	39 of 100 (Notable)
Taylorsville 2SW	United States	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)
Encinal	United States	Record daily precipitation	76.2 mm (3.0 in)	38 of 100 (Notable)
Blakefield	Australia	Record daily precipitation	30.7 mm (1.2 in)	37 of 100 (Notable)
Sveg	Sweden	Record snow depth	88.0 cm (34.6 in)	37 of 100 (Notable)
Fife Lake 4 SW	United States	Record daily snowfall	11.4 cm (4.5 in)	37 of 100 (Notable)
New Berlin	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Samburg Wr	United States	Record daily precipitation	47.5 mm (1.9 in)	37 of 100 (Notable)
La Pryor	United States	Record daily precipitation	66.5 mm (2.6 in)	37 of 100 (Notable)
Narndee	Australia	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Wanarie	Australia	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Harwood Island (Harwood Sugar	Australia	Record daily precipitation	56.4 mm (2.2 in)	36 of 100 (Notable)
Lockport Lock 2	United States	Record daily precipitation	53.6 mm (2.1 in)	36 of 100 (Notable)
Long Lake 5 SW	United States	Record daily precipitation	69.9 mm (2.8 in)	36 of 100 (Notable)
Glenorn	Australia	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Three Hills	Canada	Record daily snowfall	14.0 cm (5.5 in)	35 of 100 (Notable)
Addison Dam 45	United States	Record daily precipitation	52.8 mm (2.1 in)	35 of 100 (Notable)
Toms River	United States	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Palestine 2 NE	United States	Record daily precipitation	85.3 mm (3.4 in)	35 of 100 (Notable)
Wurarga	Australia	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Scottsburg	United States	Record daily precipitation	35.1 mm (1.4 in)	34 of 100 (Routine)
Marion 2 N	United States	Record daily precipitation	39.9 mm (1.6 in)	34 of 100 (Routine)
San Saba	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Stensele	Sweden	Record snow depth	99.0 cm (39.0 in)	33 of 100 (Routine)
Waverly	United States	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Henderson	United States	Record daily precipitation	99.1 mm (3.9 in)	33 of 100 (Routine)
Huntsville	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Llano	United States	Record daily precipitation	73.7 mm (2.9 in)	33 of 100 (Routine)
Sloan	United States	Record daily precipitation	51.1 mm (2.0 in)	33 of 100 (Routine)
Back Plains	Australia	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)
Nes Pa Hedmark	Norway	Record snow depth	62.0 cm (24.4 in)	32 of 100 (Routine)
San Mateo	United States	Record high minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Wichita Falls Muni AP	United States	Record daily precipitation	64.5 mm (2.5 in)	32 of 100 (Routine)
Fowlerton	United States	Record daily precipitation	49.5 mm (1.9 in)	31 of 100 (Routine)
Yundamindra	Australia	Record daily precipitation	39.6 mm (1.6 in)	30 of 100 (Routine)
Upper Urara (the Knoll)	Australia	Record daily precipitation	70.6 mm (2.8 in)	30 of 100 (Routine)
Pao de Acucar	Brazil	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Madisonville	United States	Record daily precipitation	59.7 mm (2.4 in)	30 of 100 (Routine)
Memphis	United States	Record daily precipitation	32.3 mm (1.3 in)	30 of 100 (Routine)

Counts by Type and Timescale

541 records

Records set or tied on 25 April 1966 by type: Highest daily maximum 20, Lowest daily maximum 31, Highest daily minimum 48, Lowest daily minimum 20, Heaviest daily rainfall 391, Heaviest daily snowfall 20, Deepest snow cover 11.

Records on 25 April 1966 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	31
Highest daily minimum	48
Lowest daily minimum	20
Heaviest daily rainfall	391
Heaviest daily snowfall	20
Deepest snow cover	11

Records on 25 April 1966 by timescale: all-time 0, monthly 9, daily 532.

How Much Records Were Beaten By

495 broken records

Margins by which the 495 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 400.0. Ties are not counted.

Top 20 by Significance

25 April 1966

Top 20 records on 25 April 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 April 1966	Yamba Pilot Station, AU	daily rain	121.7 mm (4.8 in)	68.9 mm (2.7 in)	64 years	64 of 100 (Major)
25 April 1966	Banff, CA	daily rain	28.4 mm (1.1 in)	10.6 mm (0.4 in)	73 years	54 of 100 (Notable)
25 April 1966	Broadwater Sugar Mill, AU	daily rain	128.8 mm (5.1 in)	101.4 mm (4.0 in)	24 years	52 of 100 (Notable)
25 April 1966	Calgary Int'l A, CA	daily snowfall	22.9 cm (9.0 in)	14.8 cm (5.8 in)	33 years	50 of 100 (Notable)
25 April 1966	Carrizo Springs 3S, US	daily rain	97.0 mm (3.8 in)	91.9 mm (3.6 in)	19 years	50 of 100 (Notable)
25 April 1966	Mombaca, BR	daily rain	82.0 mm (3.2 in)	53.7 mm (2.1 in)	36 years	49 of 100 (Notable)
25 April 1966	Melita, AU	daily rain	29.2 mm (1.1 in)	26.4 mm (1.0 in)	24 years	47 of 100 (Notable)
25 April 1966	Woolgoolga (Clear Place), AU	daily rain	95.8 mm (3.8 in)	43.7 mm (1.7 in)	78 years	47 of 100 (Notable)
25 April 1966	Cleburne, US	daily rain	87.6 mm (3.4 in)	43.7 mm (1.7 in)	44 years	45 of 100 (Notable)
25 April 1966	Crockett, US	daily rain	97.5 mm (3.8 in)	52.8 mm (2.1 in)	52 years	45 of 100 (Notable)
25 April 1966	Sinton, US	daily rain	114.8 mm (4.5 in)	99.1 mm (3.9 in)	36 years	44 of 100 (Notable)
25 April 1966	Lismore (Centre Street), AU	daily rain	59.2 mm (2.3 in)	28.7 mm (1.1 in)	64 years	43 of 100 (Notable)
25 April 1966	Sriperumbudur, IN	daily rain	57.0 mm (2.2 in)	40.2 mm (1.6 in)	36 years	43 of 100 (Notable)
25 April 1966	Texarkana Webb Fld, US	daily rain	113.5 mm (4.5 in)	44.9 mm (1.8 in)	41 years	43 of 100 (Notable)
25 April 1966	Senador Pompeu, BR	daily rain	59.8 mm (2.4 in)	43.8 mm (1.7 in)	25 years	42 of 100 (Notable)
25 April 1966	Bald Knob, AU	daily rain	89.7 mm (3.5 in)	70.6 mm (2.8 in)	37 years	41 of 100 (Notable)
25 April 1966	Burnerbinmah, AU	daily rain	28.7 mm (1.1 in)	18.8 mm (0.7 in)	20 years	40 of 100 (Notable)
25 April 1966	Jimbour State School, AU	daily rain	35.8 mm (1.4 in)	30.0 mm (1.2 in)	20 years	40 of 100 (Notable)
25 April 1966	Upper Orara (Aurania), AU	daily rain	116.1 mm (4.6 in)	70.4 mm (2.8 in)	43 years	40 of 100 (Notable)
25 April 1966	Thundelarra, AU	daily rain	27.9 mm (1.1 in)	21.5 mm (0.8 in)	43 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

1794 to 1966

Records set or tied on this calendar date in each year from 1794 to 1966. 1966 had 541 records.

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

Records on 04-25 in each year
Year	Records
1794	2
1796	1
1805	1
1807	1
1808	1
1812	1
1813	1
1817	2
1841	1
1842	1
1844	1
1845	1
1849	1
1850	1
1854	7
1856	1
1857	3
1861	1
1862	1
1865	2
1867	2
1873	3
1874	4
1875	2
1882	2
1883	5
1884	1
1885	2
1887	2
1888	3
1889	3
1890	9
1891	1
1892	1
1893	1
1895	1
1897	1
1898	1
1899	2
1901	6
1902	3
1903	29
1904	10
1905	8
1906	20
1907	22
1908	26
1909	47
1910	42
1911	14
1912	16
1913	53
1914	14
1915	82
1916	54
1917	28
1918	136
1919	103
1920	41
1921	83
1922	66
1923	95
1924	142
1925	231
1926	439
1927	175
1928	143
1929	288
1930	280
1931	269
1932	362
1933	133
1934	360
1935	248
1936	175
1937	494
1938	375
1939	371
1940	534
1941	223
1942	644
1943	340
1944	294
1945	638
1946	379
1947	324
1948	599
1949	572
1950	647
1951	370
1952	636
1953	369
1954	767
1955	644
1956	607
1957	442
1958	569
1959	385
1960	992
1961	563
1962	1,116
1963	437
1964	538
1965	526
1966	541
1967	837
1968	1,011
1969	419
1970	462
1971	629
1972	508
1973	434
1974	919
1975	764
1976	561
1977	812
1978	696
1979	622
1980	784
1981	900
1982	628
1983	1,860
1984	874
1985	649
1986	1,031
1987	1,009
1988	736
1989	1,382
1990	1,553
1991	1,003
1992	1,032
1993	862
1994	1,200
1995	1,128
1996	866
1997	1,348
1998	777
1999	986
2000	1,026
2001	1,170
2002	1,194
2003	859
2004	801
2005	1,435
2006	791
2007	1,149
2008	998
2009	1,366
2010	862
2011	1,166
2012	1,676
2013	1,193
2014	469
2015	743
2016	692
2017	705
2018	660
2019	660
2020	477
2021	386
2022	588
2023	540
2024	485
2025	493
2026	581

Download the Data

Data for records on 1966-04-25: 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	470
50 to 100	10
100 to 150	6
150 to 200	2
200 to 250	3
250 to 300	0
300 to 350	2
350 to 400	2