Weather Records on 30 June 1966

379 weather records were set or tied worldwide on 30 June 1966. Highest significance: Supai, US.

Key Facts for 30 June 1966

On 30 June 1966, 379 weather records were set or tied at long-record stations worldwide.
117 were record highs and 113 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 361 daily.
Supai set a monthly record daily precipitation of 40.1 mm (1.6 in) on 30 June 1966.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 450 records.

Record Map

379 stations

379 station records on 30 June 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Supai	United States	Record daily precipitation	40.1 mm (1.6 in)	68 of 100 (Major)
Rani(Ranigoda)	India	Record daily precipitation	281.9 mm (11.1 in)	64 of 100 (Major)
Deland 1 SSE	United States	Record daily precipitation	101.6 mm (4.0 in)	60 of 100 (Major)
Svirica	Russia	Record daily precipitation	33.4 mm (1.3 in)	54 of 100 (Notable)
Everglades	United States	Record daily precipitation	256.3 mm (10.1 in)	52 of 100 (Notable)
Orlando Executive AP	United States	Record daily precipitation	98.3 mm (3.9 in)	52 of 100 (Notable)
Roseberth Station	Australia	Record daily precipitation	41.1 mm (1.6 in)	51 of 100 (Notable)
Baddeck	Canada	Record daily precipitation	30.7 mm (1.2 in)	51 of 100 (Notable)
Asthawan	India	Record daily precipitation	113.0 mm (4.4 in)	50 of 100 (Notable)
Ft Pierce	United States	Record daily precipitation	73.7 mm (2.9 in)	50 of 100 (Notable)
Pakribarwan	India	Record daily precipitation	175.4 mm (6.9 in)	49 of 100 (Notable)
Seodha(Seondha)	India	Record daily precipitation	76.6 mm (3.0 in)	47 of 100 (Notable)
Crescent City	United States	Record daily precipitation	68.1 mm (2.7 in)	44 of 100 (Notable)
Suri	India	Record daily precipitation	128.8 mm (5.1 in)	41 of 100 (Notable)
Prescott	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Titusville	United States	Record daily precipitation	129.5 mm (5.1 in)	41 of 100 (Notable)
Edmore 4NW	United States	Record daily precipitation	36.1 mm (1.4 in)	41 of 100 (Notable)
Naubatpur	India	Record daily precipitation	147.2 mm (5.8 in)	40 of 100 (Notable)
Chandi	India	Record daily precipitation	85.0 mm (3.3 in)	40 of 100 (Notable)
Katwa	India	Record daily precipitation	110.5 mm (4.4 in)	40 of 100 (Notable)
Vancouver 4 NNE	United States	Record low minimum temperature	3.9 C (39.0 F)	38 of 100 (Notable)
Phulwari	India	Record daily precipitation	69.1 mm (2.7 in)	37 of 100 (Notable)
Krasnojarsk	Russia	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Regina	United States	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Gatlinburg 2 SW	United States	Record daily precipitation	116.6 mm (4.6 in)	36 of 100 (Notable)
Glengyle	Australia	Record daily precipitation	53.3 mm (2.1 in)	35 of 100 (Notable)
Orlando Executive AP	United States	Record low maximum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Birdsville Police Station	Australia	Record daily precipitation	48.8 mm (1.9 in)	34 of 100 (Routine)
Gospic	Croatia	Record low minimum temperature	4.2 C (39.6 F)	34 of 100 (Routine)
Belle Glade	United States	Record low maximum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	67.0 mm (2.6 in)	33 of 100 (Routine)
Haleyville	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Stuart	United States	Record daily precipitation	93.0 mm (3.7 in)	33 of 100 (Routine)
Intl Falls Intl AP	United States	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Everglades	United States	Record low maximum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Angus 1 N	United States	Record high minimum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Federal Pt	United States	Record low maximum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
St Augustine	United States	Record daily precipitation	62.0 mm (2.4 in)	31 of 100 (Routine)
Brackettville	United States	Record low minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Groot Constantia	South Africa	Record daily precipitation	60.0 mm (2.4 in)	30 of 100 (Routine)
Federal Pt	United States	Record daily precipitation	53.3 mm (2.1 in)	30 of 100 (Routine)
Kremsmuenster	Austria	Record low maximum temperature	12.7 C (54.9 F)	29 of 100 (Routine)
Upper Stewiacke	Canada	Record daily precipitation	26.9 mm (1.1 in)	29 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low maximum temperature	12.0 C (53.6 F)	29 of 100 (Routine)
Santa Rosalia (Dge)	Mexico	Record high maximum temperature	45.0 C (113.0 F)	29 of 100 (Routine)
Mt Trumbull	United States	Record daily precipitation	25.7 mm (1.0 in)	29 of 100 (Routine)
Grafton	United States	Record high minimum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Hermosa 3 SSW	United States	Record daily precipitation	36.3 mm (1.4 in)	29 of 100 (Routine)
Topaz	Australia	Record daily precipitation	94.5 mm (3.7 in)	28 of 100 (Routine)
Jakutsk	Russia	Record high maximum temperature	33.5 C (92.3 F)	28 of 100 (Routine)
Parker	United States	Record high minimum temperature	28.3 C (82.9 F)	28 of 100 (Routine)
Avon Park 2 W	United States	Record low maximum temperature	28.3 C (82.9 F)	28 of 100 (Routine)
Palatka	United States	Record low maximum temperature	26.1 C (79.0 F)	28 of 100 (Routine)
Calhoun 2 N	United States	Record daily precipitation	38.9 mm (1.5 in)	28 of 100 (Routine)
Lisboa Geofisica	Portugal	Record high minimum temperature	21.5 C (70.7 F)	27 of 100 (Routine)
Belle Glade	United States	Record daily precipitation	124.0 mm (4.9 in)	27 of 100 (Routine)
Red Lake Indian Agcy	United States	Record high minimum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Salzburg	Austria	Record low maximum temperature	12.0 C (53.6 F)	26 of 100 (Routine)
Balahta	Russia	Record daily precipitation	41.4 mm (1.6 in)	26 of 100 (Routine)
Seligman	United States	Record low maximum temperature	25.6 C (78.1 F)	26 of 100 (Routine)

Counts by Type and Timescale

379 records

Records set or tied on 30 June 1966 by type: Highest daily maximum 28, Lowest daily maximum 69, Highest daily minimum 89, Lowest daily minimum 44, Heaviest daily rainfall 149.

Records on 30 June 1966 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	69
Highest daily minimum	89
Lowest daily minimum	44
Heaviest daily rainfall	149
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 1966 by timescale: all-time 0, monthly 18, daily 361.

How Much Records Were Beaten By

310 broken records

Margins by which the 310 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 231.7. Ties are not counted.

Top 20 by Significance

30 June 1966

Top 20 records on 30 June 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 1966	Supai, US	monthly rain	40.1 mm (1.6 in)	17.7 mm (0.7 in)	55 years	68 of 100 (Major)
30 June 1966	Rani(Ranigoda), IN	daily rain	281.9 mm (11.1 in)	231.1 mm (9.1 in)	61 years	64 of 100 (Major)
30 June 1966	Deland 1 SSE, US	daily rain	101.6 mm (4.0 in)	67.3 mm (2.6 in)	49 years	60 of 100 (Major)
30 June 1966	Svirica, RU	daily rain	33.4 mm (1.3 in)	19.2 mm (0.8 in)	40 years	54 of 100 (Notable)
30 June 1966	Everglades, US	daily rain	256.3 mm (10.1 in)	231.7 mm (9.1 in)	29 years	52 of 100 (Notable)
30 June 1966	Orlando Executive AP, US	daily rain	98.3 mm (3.9 in)	44.2 mm (1.7 in)	60 years	52 of 100 (Notable)
30 June 1966	Roseberth Station, AU	daily rain	41.1 mm (1.6 in)	34.5 mm (1.4 in)	31 years	51 of 100 (Notable)
30 June 1966	Baddeck, CA	daily rain	30.7 mm (1.2 in)	18.5 mm (0.7 in)	86 years	51 of 100 (Notable)
30 June 1966	Asthawan, IN	daily rain	113.0 mm (4.4 in)	54.1 mm (2.1 in)	60 years	50 of 100 (Notable)
30 June 1966	Ft Pierce, US	daily rain	73.7 mm (2.9 in)	47.5 mm (1.9 in)	48 years	50 of 100 (Notable)
30 June 1966	Pakribarwan, IN	monthly rain	175.4 mm (6.9 in)	43.3 mm (1.7 in)	33 years	49 of 100 (Notable)
30 June 1966	Seodha(Seondha), IN	daily rain	76.6 mm (3.0 in)	45.6 mm (1.8 in)	52 years	47 of 100 (Notable)
30 June 1966	Crescent City, US	daily rain	68.1 mm (2.7 in)	40.4 mm (1.6 in)	49 years	44 of 100 (Notable)
30 June 1966	Suri, IN	daily rain	128.8 mm (5.1 in)	54.1 mm (2.1 in)	29 years	41 of 100 (Notable)
30 June 1966	Prescott, US	daily rain	27.9 mm (1.1 in)	14.7 mm (0.6 in)	41 years	41 of 100 (Notable)
30 June 1966	Titusville, US	daily rain	129.5 mm (5.1 in)	50.8 mm (2.0 in)	36 years	41 of 100 (Notable)
30 June 1966	Edmore 4NW, US	daily rain	36.1 mm (1.4 in)	18.3 mm (0.7 in)	59 years	41 of 100 (Notable)
30 June 1966	Naubatpur, IN	monthly rain	147.2 mm (5.8 in)	34.4 mm (1.4 in)	21 years	40 of 100 (Notable)
30 June 1966	Chandi, IN	daily rain	85.0 mm (3.3 in)	55.8 mm (2.2 in)	24 years	40 of 100 (Notable)
30 June 1966	Katwa, IN	daily rain	110.5 mm (4.4 in)	64.8 mm (2.6 in)	24 years	40 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

1826 to 1966

Records set or tied on this calendar date in each year from 1826 to 1966. 1966 had 379 records.

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

Records on 06-30 in each year
Year	Records
1826	1
1832	1
1835	2
1843	2
1846	1
1848	2
1849	1
1853	1
1855	1
1857	1
1860	1
1863	1
1865	1
1869	1
1871	1
1873	1
1876	1
1879	2
1882	2
1883	3
1885	4
1886	1
1887	2
1888	2
1889	1
1890	3
1891	2
1892	1
1894	1
1895	1
1896	2
1897	6
1898	3
1899	4
1900	5
1901	9
1902	10
1903	8
1904	20
1905	23
1906	20
1907	12
1908	17
1909	39
1910	57
1911	12
1912	32
1913	99
1914	97
1915	40
1916	66
1917	39
1918	54
1919	72
1920	319
1921	121
1922	133
1923	309
1924	194
1925	113
1926	65
1927	240
1928	137
1929	213
1930	168
1931	774
1932	154
1933	571
1934	331
1935	347
1936	620
1937	458
1938	330
1939	438
1940	346
1941	341
1942	408
1943	790
1944	272
1945	671
1946	631
1947	487
1948	340
1949	403
1950	494
1951	517
1952	533
1953	404
1954	426
1955	432
1956	409
1957	592
1958	423
1959	948
1960	270
1961	351
1962	375
1963	560
1964	434
1965	240
1966	379
1967	414
1968	752
1969	459
1970	730
1971	459
1972	558
1973	623
1974	643
1975	414
1976	607
1977	662
1978	721
1979	601
1980	935
1981	838
1982	1,230
1983	752
1984	722
1985	829
1986	745
1987	1,044
1988	1,216
1989	953
1990	1,191
1991	1,129
1992	1,670
1993	711
1994	951
1995	1,354
1996	889
1997	938
1998	1,714
1999	910
2000	861
2001	778
2002	904
2003	896
2004	998
2005	1,526
2006	723
2007	736
2008	852
2009	1,052
2010	1,069
2011	1,057
2012	1,416
2013	963
2014	496
2015	1,018
2016	371
2017	642
2018	625
2019	1,042
2020	1,151
2021	1,442
2022	709
2023	531
2024	1,004
2025	858
2026	999

Download the Data

Data for records on 1966-06-30: 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	302
50 to 100	6
100 to 150	0
150 to 200	0
200 to 250	2