Weather Records on 25 May 1966

295 weather records were set or tied worldwide on 25 May 1966. Highest significance: Jaley, IN.

Key Facts for 25 May 1966

On 25 May 1966, 295 weather records were set or tied at long-record stations worldwide.
140 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 290 daily.
Jaley set a daily record precipitation of 75.6 mm (3.0 in) on 25 May 1966.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 443 records.

Record Map

295 stations

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

Weather records on 25 May 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jaley	India	Record daily precipitation	75.6 mm (3.0 in)	55 of 100 (Notable)
Novorossijsk	Russia	Record daily precipitation	76.2 mm (3.0 in)	54 of 100 (Notable)
Vasilevici	Belarus	Record daily precipitation	32.2 mm (1.3 in)	50 of 100 (Notable)
Bonfim	Brazil	Record daily precipitation	52.6 mm (2.1 in)	49 of 100 (Notable)
Gudauri	Georgia	Record daily precipitation	44.5 mm (1.8 in)	45 of 100 (Notable)
Tihoreck	Russia	Record daily precipitation	44.8 mm (1.8 in)	45 of 100 (Notable)
Southport 5 N	United States	Record daily precipitation	38.9 mm (1.5 in)	39 of 100 (Notable)
Payette	United States	Record high maximum temperature	37.8 C (100.0 F)	38 of 100 (Notable)
New Bern 3 NW	United States	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)
Krasnaja Poljana	Russia	Record daily precipitation	49.6 mm (2.0 in)	36 of 100 (Notable)
Angleton 2 W	United States	Record daily precipitation	82.0 mm (3.2 in)	35 of 100 (Notable)
Rangia	India	Record daily precipitation	85.5 mm (3.4 in)	33 of 100 (Routine)
Kargil	India	Record daily precipitation	36.2 mm (1.4 in)	33 of 100 (Routine)
Tkvarcheli	Georgia	Record daily precipitation	66.6 mm (2.6 in)	32 of 100 (Routine)
Zacapu (Smn)	Mexico	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Ft Stanton	United States	Record high minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Barra Do Jua	Brazil	Record daily precipitation	47.2 mm (1.9 in)	31 of 100 (Routine)
Experiment	United States	Record low maximum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Milledgeville	United States	Record low maximum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Junqueiro	Brazil	Record daily precipitation	64.2 mm (2.5 in)	30 of 100 (Routine)
Ft Robinson	United States	Record low minimum temperature	-3.3 C (26.1 F)	30 of 100 (Routine)
El Reno 1 N	United States	Record low minimum temperature	8.3 C (46.9 F)	30 of 100 (Routine)
Cheraw	United States	Record low maximum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Isla Perez	Mexico	Record high maximum temperature	38.9 C (102.0 F)	29 of 100 (Routine)
Eastman 1 W	United States	Record low maximum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Monticello	United States	Record low maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Two Harbors	United States	Record high maximum temperature	31.1 C (88.0 F)	29 of 100 (Routine)
Brady	United States	Record high maximum temperature	36.1 C (97.0 F)	29 of 100 (Routine)
Cape Leeuwin	Australia	Record high maximum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
New Holland	United States	Record daily precipitation	53.3 mm (2.1 in)	28 of 100 (Routine)
Nova Olinda (Andreza)	Brazil	Record daily precipitation	43.0 mm (1.7 in)	27 of 100 (Routine)
Sao Bento Do Una	Brazil	Record daily precipitation	43.0 mm (1.7 in)	27 of 100 (Routine)
Jaipur	India	Record daily precipitation	87.4 mm (3.4 in)	27 of 100 (Routine)
Washington 2 ESE	United States	Record low maximum temperature	18.3 C (64.9 F)	27 of 100 (Routine)
Acu	Brazil	Record daily precipitation	40.4 mm (1.6 in)	26 of 100 (Routine)
Wilton	India	Record daily precipitation	77.5 mm (3.1 in)	26 of 100 (Routine)
St Fereol	Canada	Record high minimum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Tasiilaq	Greenland [Denmark]	Record low maximum temperature	1.6 C (34.9 F)	25 of 100 (Routine)
Kolosib	India	Record daily precipitation	85.3 mm (3.4 in)	25 of 100 (Routine)
Tamluk	India	Record daily precipitation	45.0 mm (1.8 in)	25 of 100 (Routine)
Galeana (Smn)	Mexico	Record low maximum temperature	18.9 C (66.0 F)	25 of 100 (Routine)
Shenkursk	Russia	Record high minimum temperature	14.7 C (58.5 F)	25 of 100 (Routine)
Blountstown 2 SE	United States	Record low maximum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Annex Creek	United States	Record low minimum temperature	-0.6 C (30.9 F)	25 of 100 (Routine)
Dublin	United States	Record low maximum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Presque Isle	United States	Record high minimum temperature	16.7 C (62.1 F)	24 of 100 (Routine)
Fallon Exp STN	United States	Record high maximum temperature	34.4 C (93.9 F)	24 of 100 (Routine)
Concord	United States	Record low maximum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Oni	Georgia	Record daily precipitation	33.4 mm (1.3 in)	23 of 100 (Routine)
Esengyly	Turkmenistan	Record high maximum temperature	39.0 C (102.2 F)	23 of 100 (Routine)
Merced	United States	Record high minimum temperature	16.1 C (61.0 F)	23 of 100 (Routine)
W Pt	United States	Record low maximum temperature	22.2 C (72.0 F)	23 of 100 (Routine)
Dannemora	United States	Record high minimum temperature	15.6 C (60.1 F)	23 of 100 (Routine)
Okmulgee Wtr Wks	United States	Record low minimum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Yosemite Park HQ	United States	Record high maximum temperature	32.8 C (91.0 F)	22 of 100 (Routine)
Challis	United States	Record high maximum temperature	31.7 C (89.1 F)	22 of 100 (Routine)
Chapel Hill 2 W	United States	Record low maximum temperature	18.9 C (66.0 F)	22 of 100 (Routine)
Newcastle	United States	Record high minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Monticello 5 SE	United States	Record low maximum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Moore Haven Lock 1	United States	Record daily precipitation	28.2 mm (1.1 in)	21 of 100 (Routine)

Counts by Type and Timescale

295 records

Records set or tied on 25 May 1966 by type: Highest daily maximum 91, Lowest daily maximum 45, Highest daily minimum 49, Lowest daily minimum 25, Heaviest daily rainfall 84, Heaviest daily snowfall 1.

Records on 25 May 1966 by type
Record type	Records
Highest daily maximum	91
Lowest daily maximum	45
Highest daily minimum	49
Lowest daily minimum	25
Heaviest daily rainfall	84
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 25 May 1966 by timescale: all-time 0, monthly 5, daily 290.

How Much Records Were Beaten By

233 broken records

Margins by which the 233 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 52.7. Ties are not counted.

Top 20 by Significance

25 May 1966

Top 20 records on 25 May 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 May 1966	Jaley, IN	daily rain	75.6 mm (3.0 in)	52.7 mm (2.1 in)	39 years	55 of 100 (Notable)
25 May 1966	Novorossijsk, RU	monthly rain	76.2 mm (3.0 in)	21.4 mm (0.8 in)	12 years	54 of 100 (Notable)
25 May 1966	Vasilevici, BY	daily rain	32.2 mm (1.3 in)	20.3 mm (0.8 in)	13 years	50 of 100 (Notable)
25 May 1966	Bonfim, BR	daily rain	52.6 mm (2.1 in)	33.6 mm (1.3 in)	48 years	49 of 100 (Notable)
25 May 1966	Gudauri, GE	daily rain	44.5 mm (1.8 in)	20.2 mm (0.8 in)	55 years	45 of 100 (Notable)
25 May 1966	Tihoreck, RU	daily rain	44.8 mm (1.8 in)	20.3 mm (0.8 in)	51 years	45 of 100 (Notable)
25 May 1966	Southport 5 N, US	daily rain	38.9 mm (1.5 in)	17.6 mm (0.7 in)	70 years	39 of 100 (Notable)
25 May 1966	Payette, US	monthly high max	37.8 C (100.0 F)	0.6 C (1.1 F)	69 years	38 of 100 (Notable)
25 May 1966	New Bern 3 NW, US	daily rain	32.0 mm (1.3 in)	2.8 mm (0.11 in)	90 years	37 of 100 (Notable)
25 May 1966	Krasnaja Poljana, RU	daily rain	49.6 mm (2.0 in)	29.4 mm (1.2 in)	8 years	36 of 100 (Notable)
25 May 1966	Angleton 2 W, US	daily rain	82.0 mm (3.2 in)	39.3 mm (1.5 in)	36 years	35 of 100 (Notable)
25 May 1966	Rangia, IN	daily rain	85.5 mm (3.4 in)	28.9 mm (1.1 in)	37 years	33 of 100 (Routine)
25 May 1966	Kargil, IN	daily rain	36.2 mm (1.4 in)	15.6 mm (0.6 in)	35 years	33 of 100 (Routine)
25 May 1966	Tkvarcheli, GE	daily rain	66.6 mm (2.6 in)	33.5 mm (1.3 in)	16 years	32 of 100 (Routine)
25 May 1966	Zacapu (Smn), MX	daily rain	25.4 mm (1.0 in)	18.5 mm (0.7 in)	19 years	32 of 100 (Routine)
25 May 1966	Ft Stanton, US	daily high min	15.6 C (60.1 F)	3.9 C (7.0 F)	49 years	32 of 100 (Routine)
25 May 1966	Barra Do Jua, BR	daily rain	47.2 mm (1.9 in)	37.2 mm (1.5 in)	5 years	31 of 100 (Routine)
25 May 1966	Experiment, US	daily low max	20.0 C (68.0 F)	2.8 C (5.0 F)	60 years	31 of 100 (Routine)
25 May 1966	Milledgeville, US	daily low max	19.4 C (66.9 F)	1.2 C (2.2 F)	70 years	31 of 100 (Routine)
25 May 1966	Junqueiro, BR	daily rain	64.2 mm (2.5 in)	24.0 mm (0.9 in)	25 years	30 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

1793 to 1966

Records set or tied on this calendar date in each year from 1793 to 1966. 1966 had 295 records.

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

Records on 05-25 in each year
Year	Records
1793	1
1795	1
1797	1
1824	1
1830	1
1837	2
1839	1
1841	1
1846	2
1847	3
1848	1
1852	1
1864	1
1865	1
1866	2
1867	2
1868	3
1869	1
1870	1
1875	1
1879	2
1880	3
1881	1
1883	1
1886	1
1887	2
1889	3
1890	12
1891	1
1892	1
1893	1
1894	1
1895	3
1897	1
1898	5
1899	2
1900	5
1901	10
1902	2
1903	7
1904	14
1905	9
1906	41
1907	18
1908	25
1909	20
1910	35
1911	15
1912	21
1913	46
1914	33
1915	20
1916	33
1917	53
1918	22
1919	36
1920	59
1921	208
1922	118
1923	113
1924	277
1925	675
1926	221
1927	240
1928	301
1929	122
1930	156
1931	262
1932	358
1933	400
1934	219
1935	301
1936	407
1937	176
1938	456
1939	322
1940	259
1941	297
1942	534
1943	567
1944	392
1945	225
1946	371
1947	588
1948	317
1949	371
1950	644
1951	542
1952	436
1953	1,024
1954	284
1955	1,068
1956	940
1957	463
1958	439
1959	316
1960	493
1961	254
1962	567
1963	352
1964	716
1965	662
1966	295
1967	946
1968	394
1969	367
1970	385
1971	700
1972	477
1973	595
1974	820
1975	922
1976	412
1977	946
1978	581
1979	1,432
1980	1,160
1981	1,072
1982	714
1983	1,147
1984	677
1985	519
1986	500
1987	703
1988	635
1989	1,190
1990	656
1991	1,768
1992	1,682
1993	824
1994	773
1995	1,546
1996	1,304
1997	1,513
1998	882
1999	708
2000	1,417
2001	1,201
2002	1,001
2003	918
2004	903
2005	909
2006	801
2007	1,420
2008	840
2009	1,088
2010	1,512
2011	1,180
2012	1,616
2013	912
2014	761
2015	407
2016	429
2017	829
2018	800
2019	641
2020	564
2021	505
2022	752
2023	305
2024	688
2025	527
2026	913

Download the Data

Data for records on 1966-05-25: 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).

Histogram of margins by which records were beaten on 25 May 1966
Margin	Records
0 to 10	200
10 to 20	17
20 to 30	10
30 to 40	5
40 to 50	0
50 to 60	1