Weather Records on 25 June 1966

515 weather records were set or tied worldwide on 25 June 1966. Highest significance: Zmeinogorsk, RU.

Key Facts for 25 June 1966

On 25 June 1966, 515 weather records were set or tied at long-record stations worldwide.
152 were record highs and 205 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 509 daily.
Zmeinogorsk set a monthly record daily precipitation of 63.0 mm (2.5 in) on 25 June 1966.
Across 163 earlier years (1811 to 2026) the same calendar date averaged 424 records.

Record Map

515 stations

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

Weather records on 25 June 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Zmeinogorsk	Russia	Record daily precipitation	63.0 mm (2.5 in)	55 of 100 (Notable)
Khairee	India	Record daily precipitation	137.0 mm (5.4 in)	54 of 100 (Notable)
Mtn Park	United States	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Ongerup	Australia	Record daily precipitation	29.7 mm (1.2 in)	47 of 100 (Notable)
Kojaneerup	Australia	Record daily precipitation	45.5 mm (1.8 in)	46 of 100 (Notable)
Cloquet	United States	Record daily precipitation	56.6 mm (2.2 in)	45 of 100 (Notable)
Toronto	Canada	Record high minimum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Dehradun	India	Record daily precipitation	148.2 mm (5.8 in)	41 of 100 (Notable)
Moana	Australia	Record daily precipitation	35.3 mm (1.4 in)	40 of 100 (Notable)
Aibonito 1 S	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Peppermint Grove	Australia	Record daily precipitation	40.9 mm (1.6 in)	37 of 100 (Notable)
Wirra	Australia	Record daily precipitation	39.9 mm (1.6 in)	37 of 100 (Notable)
Bourke Post Office	Australia	Record high maximum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Amelup	Australia	Record daily precipitation	49.5 mm (1.9 in)	36 of 100 (Notable)
Saskatoon Diefenbaker Int'l A	Canada	Record daily precipitation	39.1 mm (1.5 in)	36 of 100 (Notable)
Murray Island	Australia	Record daily precipitation	33.8 mm (1.3 in)	35 of 100 (Notable)
Huntingdon	Canada	Record high minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Warriup	Australia	Record daily precipitation	48.0 mm (1.9 in)	33 of 100 (Routine)
Garden Valley	United States	Record low minimum temperature	-3.3 C (26.1 F)	33 of 100 (Routine)
Jam Vale	Australia	Record daily precipitation	41.7 mm (1.6 in)	32 of 100 (Routine)
Durham	Canada	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Bilaspur	India	Record daily precipitation	60.2 mm (2.4 in)	32 of 100 (Routine)
Presa Parral	Mexico	Record daily precipitation	54.9 mm (2.2 in)	32 of 100 (Routine)
Rodeo (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Cambridge	United States	Record low minimum temperature	-1.1 C (30.0 F)	32 of 100 (Routine)
Lindsay	Canada	Record high maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Beaver Is	United States	Record high maximum temperature	31.7 C (89.1 F)	31 of 100 (Routine)
Vale	United States	Record low minimum temperature	0.6 C (33.1 F)	31 of 100 (Routine)
Laghouat	Algeria	Record high minimum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Bremer Bay	Australia	Record daily precipitation	38.9 mm (1.5 in)	30 of 100 (Routine)
Ottawa Cda	Canada	Record high minimum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Santa Rosalia (Dge)	Mexico	Record high maximum temperature	42.8 C (109.0 F)	30 of 100 (Routine)
De Funiak Springs 1 E	United States	Record low minimum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Oakley	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Eureka	United States	Record low minimum temperature	0.0 C (32.0 F)	30 of 100 (Routine)
Gladwin	United States	Record high maximum temperature	36.1 C (97.0 F)	30 of 100 (Routine)
Inverell Comparison	Australia	Record high maximum temperature	23.1 C (73.6 F)	29 of 100 (Routine)
Batala	India	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Tijara	India	Record daily precipitation	40.0 mm (1.6 in)	29 of 100 (Routine)
Council	United States	Record low minimum temperature	0.6 C (33.1 F)	29 of 100 (Routine)
Pine Rvr Dam	United States	Record daily precipitation	59.9 mm (2.4 in)	29 of 100 (Routine)
Waynesboro 2 W	United States	Record low minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Ft Bayard 4W	United States	Record low minimum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Forman 5 SSE	United States	Record daily precipitation	45.5 mm (1.8 in)	29 of 100 (Routine)
Muskegon Co AP	United States	Record high maximum temperature	33.3 C (91.9 F)	29 of 100 (Routine)
Cape Riche	Australia	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Pallinup	Australia	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Roorkee	India	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Perm	Russia	Record low minimum temperature	1.2 C (34.2 F)	28 of 100 (Routine)
Greensboro	United States	Record low minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Payette	United States	Record low minimum temperature	1.1 C (34.0 F)	28 of 100 (Routine)
Cheboygan	United States	Record high maximum temperature	34.4 C (93.9 F)	28 of 100 (Routine)
Cheyenne Wells 2NE	United States	Record high minimum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Plant City	United States	Record low minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Leech Lake	United States	Record daily precipitation	34.8 mm (1.4 in)	27 of 100 (Routine)
Union	United States	Record low maximum temperature	11.7 C (53.1 F)	27 of 100 (Routine)
Gnowangerup	Australia	Record daily precipitation	32.5 mm (1.3 in)	26 of 100 (Routine)
Fort George	Canada	Record high maximum temperature	31.1 C (88.0 F)	26 of 100 (Routine)
Hissar	India	Record daily precipitation	53.4 mm (2.1 in)	26 of 100 (Routine)
Quitman 2 NW	United States	Record low minimum temperature	14.4 C (57.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

515 records

Records set or tied on 25 June 1966 by type: Highest daily maximum 85, Lowest daily maximum 45, Highest daily minimum 67, Lowest daily minimum 160, Heaviest daily rainfall 158.

Records on 25 June 1966 by type
Record type	Records
Highest daily maximum	85
Lowest daily maximum	45
Highest daily minimum	67
Lowest daily minimum	160
Heaviest daily rainfall	158
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 25 June 1966 by timescale: all-time 0, monthly 6, daily 509.

How Much Records Were Beaten By

398 broken records

Margins by which the 398 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.4. Ties are not counted.

Top 20 by Significance

25 June 1966

Top 20 records on 25 June 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 June 1966	Zmeinogorsk, RU	monthly rain	63.0 mm (2.5 in)	13.5 mm (0.5 in)	63 years	55 of 100 (Notable)
25 June 1966	Khairee, IN	daily rain	137.0 mm (5.4 in)	82.4 mm (3.2 in)	44 years	54 of 100 (Notable)
25 June 1966	Mtn Park, US	daily rain	38.1 mm (1.5 in)	28.4 mm (1.1 in)	48 years	48 of 100 (Notable)
25 June 1966	Ongerup, AU	daily rain	29.7 mm (1.2 in)	20.6 mm (0.8 in)	9 years	47 of 100 (Notable)
25 June 1966	Kojaneerup, AU	daily rain	45.5 mm (1.8 in)	31.3 mm (1.2 in)	9 years	46 of 100 (Notable)
25 June 1966	Cloquet, US	daily rain	56.6 mm (2.2 in)	30.7 mm (1.2 in)	43 years	45 of 100 (Notable)
25 June 1966	Toronto, CA	daily high min	22.2 C (72.0 F)	0.5 C (0.9 F)	107 years	41 of 100 (Notable)
25 June 1966	Dehradun, IN	daily rain	148.2 mm (5.8 in)	59.0 mm (2.3 in)	25 years	41 of 100 (Notable)
25 June 1966	Moana, AU	daily rain	35.3 mm (1.4 in)	19.8 mm (0.8 in)	3 years	40 of 100 (Notable)
25 June 1966	Aibonito 1 S, PR	daily high min	24.4 C (75.9 F)	3.3 C (5.9 F)	56 years	38 of 100 (Notable)
25 June 1966	Peppermint Grove, AU	daily rain	40.9 mm (1.6 in)	23.6 mm (0.9 in)	11 years	37 of 100 (Notable)
25 June 1966	Wirra, AU	daily rain	39.9 mm (1.6 in)	21.9 mm (0.9 in)	3 years	37 of 100 (Notable)
25 June 1966	Bourke Post Office, AU	daily high max	25.6 C (78.1 F)	0.3 C (0.5 F)	93 years	37 of 100 (Notable)
25 June 1966	Amelup, AU	monthly rain	49.5 mm (1.9 in)	1.7 mm (0.07 in)	57 years	36 of 100 (Notable)
25 June 1966	Saskatoon Diefenbaker Int'l A, CA	daily rain	39.1 mm (1.5 in)	11.2 mm (0.4 in)	55 years	36 of 100 (Notable)
25 June 1966	Murray Island, AU	daily rain	33.8 mm (1.3 in)	22.9 mm (0.9 in)	12 years	35 of 100 (Notable)
25 June 1966	Huntingdon, CA	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	85 years	35 of 100 (Notable)
25 June 1966	Warriup, AU	daily rain	48.0 mm (1.9 in)	22.3 mm (0.9 in)	9 years	33 of 100 (Routine)
25 June 1966	Garden Valley, US	daily low min	-3.3 C (26.1 F)	4.4 C (7.9 F)	48 years	33 of 100 (Routine)
25 June 1966	Jam Vale, AU	monthly rain	41.7 mm (1.6 in)	4.4 mm (0.17 in)	33 years	32 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

1811 to 1966

Records set or tied on this calendar date in each year from 1811 to 1966. 1966 had 515 records.

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

Records on 06-25 in each year
Year	Records
1811	1
1813	1
1821	2
1822	1
1839	1
1840	1
1849	1
1854	1
1855	2
1859	1
1862	1
1863	2
1867	2
1869	1
1871	2
1873	1
1875	2
1876	1
1878	2
1880	4
1881	2
1882	3
1883	1
1884	2
1885	2
1886	2
1887	1
1889	3
1890	2
1891	1
1892	3
1893	3
1894	5
1896	4
1897	7
1898	2
1899	2
1900	4
1901	5
1902	13
1903	20
1904	20
1905	7
1906	13
1907	12
1908	7
1909	22
1910	10
1911	27
1912	43
1913	110
1914	50
1915	70
1916	26
1917	27
1918	45
1919	52
1920	12
1921	64
1922	68
1923	412
1924	71
1925	286
1926	216
1927	111
1928	505
1929	231
1930	221
1931	729
1932	203
1933	401
1934	529
1935	311
1936	816
1937	359
1938	379
1939	212
1940	457
1941	389
1942	382
1943	498
1944	330
1945	307
1946	370
1947	234
1948	266
1949	490
1950	749
1951	343
1952	1,039
1953	512
1954	440
1955	294
1956	667
1957	644
1958	1,059
1959	349
1960	402
1961	734
1962	333
1963	462
1964	291
1965	805
1966	515
1967	562
1968	910
1969	1,011
1970	733
1971	578
1972	801
1973	500
1974	1,400
1975	765
1976	752
1977	496
1978	595
1979	1,201
1980	909
1981	927
1982	673
1983	672
1984	670
1985	751
1986	897
1987	731
1988	1,734
1989	607
1990	950
1991	981
1992	1,090
1993	763
1994	1,060
1995	750
1996	787
1997	764
1998	1,190
1999	752
2000	560
2001	798
2002	762
2003	1,169
2004	1,134
2005	802
2006	1,062
2007	870
2008	492
2009	953
2010	977
2011	766
2012	1,007
2013	860
2014	480
2015	472
2016	709
2017	824
2018	455
2019	901
2020	475
2021	820
2022	665
2023	616
2024	627
2025	1,358
2026	865

Download the Data

Data for records on 1966-06-25: 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 20	379
20 to 40	17
40 to 60	1
60 to 80	0
80 to 100	1