Weather Records on 30 July 1966

527 weather records were set or tied worldwide on 30 July 1966. Highest significance: Malegaon, IN.

Key Facts for 30 July 1966

On 30 July 1966, 527 weather records were set or tied at long-record stations worldwide.
193 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 25 monthly and 501 daily.
Malegaon set a daily record precipitation of 99.8 mm (3.9 in) on 30 July 1966.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 440 records.

Record Map

527 stations

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

Weather records on 30 July 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Malegaon	India	Record daily precipitation	99.8 mm (3.9 in)	62 of 100 (Major)
Trinidad	United States	Record daily precipitation	59.9 mm (2.4 in)	62 of 100 (Major)
Jalna	India	Record daily precipitation	124.4 mm (4.9 in)	60 of 100 (Major)
Middlesboro Fire Dept	United States	Record daily precipitation	103.6 mm (4.1 in)	58 of 100 (Notable)
Sorab	India	Record daily precipitation	165.9 mm (6.5 in)	56 of 100 (Notable)
Nandgaon	India	Record daily precipitation	200.3 mm (7.9 in)	56 of 100 (Notable)
Hangal	India	Record daily precipitation	113.8 mm (4.5 in)	55 of 100 (Notable)
Palhera	India	Record daily precipitation	209.5 mm (8.2 in)	53 of 100 (Notable)
Rudnaja Pristan	Russia	Record daily precipitation	77.7 mm (3.1 in)	51 of 100 (Notable)
Murray Island	Australia	Record daily precipitation	28.4 mm (1.1 in)	50 of 100 (Notable)
Pasamonte	United States	Record daily precipitation	76.2 mm (3.0 in)	50 of 100 (Notable)
Astrahanka	Russia	Record daily precipitation	72.9 mm (2.9 in)	49 of 100 (Notable)
Partizansk	Russia	Record daily precipitation	64.1 mm (2.5 in)	49 of 100 (Notable)
Wytheville	United States	Record daily precipitation	68.6 mm (2.7 in)	48 of 100 (Notable)
Fort Frances	Canada	Record daily precipitation	113.8 mm (4.5 in)	47 of 100 (Notable)
Hirekerur	India	Record daily precipitation	61.5 mm (2.4 in)	47 of 100 (Notable)
Sirsi	India	Record daily precipitation	215.9 mm (8.5 in)	47 of 100 (Notable)
Pogranichnyj	Russia	Record daily precipitation	37.4 mm (1.5 in)	47 of 100 (Notable)
Priest Valley	United States	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Lenoir	United States	Record daily precipitation	47.8 mm (1.9 in)	47 of 100 (Notable)
Escada	Brazil	Record daily precipitation	78.0 mm (3.1 in)	46 of 100 (Notable)
Haveri	India	Record daily precipitation	77.5 mm (3.1 in)	46 of 100 (Notable)
Tulun	Russia	Record daily precipitation	45.0 mm (1.8 in)	46 of 100 (Notable)
Olekminsk	Russia	Record daily precipitation	29.0 mm (1.1 in)	45 of 100 (Notable)
Bedford	United States	Record daily precipitation	45.5 mm (1.8 in)	45 of 100 (Notable)
Mongpoo	India	Record daily precipitation	226.0 mm (8.9 in)	43 of 100 (Notable)
Putten (Gld)	Netherlands	Record daily precipitation	30.3 mm (1.2 in)	43 of 100 (Notable)
Langley AFB	United States	Record daily precipitation	68.1 mm (2.7 in)	43 of 100 (Notable)
Ternej	Russia	Record daily precipitation	74.6 mm (2.9 in)	41 of 100 (Notable)
Mungeli	India	Record daily precipitation	116.4 mm (4.6 in)	40 of 100 (Notable)
Spassk Dalniy	Russia	Record daily precipitation	44.2 mm (1.7 in)	40 of 100 (Notable)
Parker	United States	Record daily precipitation	25.9 mm (1.0 in)	40 of 100 (Notable)
Lodi	United States	Record low maximum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Sacramento 5 ESE	United States	Record low maximum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Zima	Russia	Record daily precipitation	36.0 mm (1.4 in)	39 of 100 (Notable)
Spearman	United States	Record daily precipitation	42.4 mm (1.7 in)	39 of 100 (Notable)
Kowardha	India	Record daily precipitation	99.0 mm (3.9 in)	38 of 100 (Notable)
Timiryazevskij	Russia	Record daily precipitation	45.4 mm (1.8 in)	38 of 100 (Notable)
Escalante	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Burkes Garden	United States	Record daily precipitation	82.0 mm (3.2 in)	38 of 100 (Notable)
Farmville	United States	Record daily precipitation	78.7 mm (3.1 in)	38 of 100 (Notable)
Nevasa	India	Record daily precipitation	50.0 mm (2.0 in)	37 of 100 (Notable)
Steelville 2 N	United States	Record daily precipitation	70.9 mm (2.8 in)	37 of 100 (Notable)
Stover	United States	Record daily precipitation	69.1 mm (2.7 in)	37 of 100 (Notable)
Selmer	United States	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Bemetara	India	Record daily precipitation	110.0 mm (4.3 in)	36 of 100 (Notable)
Chhuikhadan	India	Record daily precipitation	87.6 mm (3.4 in)	36 of 100 (Notable)
Kholapur	India	Record daily precipitation	113.6 mm (4.5 in)	36 of 100 (Notable)
Dug (Dag)	India	Record daily precipitation	208.5 mm (8.2 in)	36 of 100 (Notable)
Pee Dee	United States	Record daily precipitation	62.0 mm (2.4 in)	36 of 100 (Notable)
Floyd 2 NE	United States	Record daily precipitation	59.7 mm (2.4 in)	36 of 100 (Notable)
Decatur	United States	Record daily precipitation	36.3 mm (1.4 in)	35 of 100 (Notable)
Union City	United States	Record daily precipitation	53.3 mm (2.1 in)	35 of 100 (Notable)
Haliyal	India	Record daily precipitation	88.9 mm (3.5 in)	34 of 100 (Routine)
Black Rock	United States	Record daily precipitation	57.7 mm (2.3 in)	34 of 100 (Routine)
Shirala	India	Record daily precipitation	82.0 mm (3.2 in)	33 of 100 (Routine)
Marion	United States	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Jefferson City Evap	United States	Record daily precipitation	54.6 mm (2.1 in)	33 of 100 (Routine)
Khamaria	India	Record daily precipitation	100.0 mm (3.9 in)	32 of 100 (Routine)
Kalimpong Obsy Sr	India	Record daily precipitation	226.0 mm (8.9 in)	32 of 100 (Routine)

Counts by Type and Timescale

527 records

Records set or tied on 30 July 1966 by type: Highest daily maximum 82, Lowest daily maximum 60, Highest daily minimum 111, Lowest daily minimum 29, Heaviest daily rainfall 245.

Records on 30 July 1966 by type
Record type	Records
Highest daily maximum	82
Lowest daily maximum	60
Highest daily minimum	111
Lowest daily minimum	29
Heaviest daily rainfall	245
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1966 by timescale: all-time 1, monthly 25, daily 501.

How Much Records Were Beaten By

418 broken records

Margins by which the 418 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 135.8. Ties are not counted.

Top 20 by Significance

30 July 1966

Top 20 records on 30 July 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1966	Malegaon, IN	daily rain	99.8 mm (3.9 in)	62.7 mm (2.5 in)	56 years	62 of 100 (Major)
30 July 1966	Trinidad, US	daily rain	59.9 mm (2.4 in)	38.6 mm (1.5 in)	56 years	62 of 100 (Major)
30 July 1966	Jalna, IN	daily rain	124.4 mm (4.9 in)	86.8 mm (3.4 in)	49 years	60 of 100 (Major)
30 July 1966	Middlesboro Fire Dept, US	daily rain	103.6 mm (4.1 in)	74.9 mm (2.9 in)	36 years	58 of 100 (Notable)
30 July 1966	Sorab, IN	daily rain	165.9 mm (6.5 in)	91.0 mm (3.6 in)	63 years	56 of 100 (Notable)
30 July 1966	Nandgaon, IN	monthly rain	200.3 mm (7.9 in)	98.3 mm (3.9 in)	2 years	56 of 100 (Notable)
30 July 1966	Hangal, IN	daily rain	113.8 mm (4.5 in)	49.0 mm (1.9 in)	56 years	55 of 100 (Notable)
30 July 1966	Palhera, IN	daily rain	209.5 mm (8.2 in)	135.8 mm (5.3 in)	31 years	53 of 100 (Notable)
30 July 1966	Rudnaja Pristan, RU	daily rain	77.7 mm (3.1 in)	67.0 mm (2.6 in)	29 years	51 of 100 (Notable)
30 July 1966	Murray Island, AU	daily rain	28.4 mm (1.1 in)	26.1 mm (1.0 in)	20 years	50 of 100 (Notable)
30 July 1966	Pasamonte, US	daily rain	76.2 mm (3.0 in)	42.2 mm (1.7 in)	39 years	50 of 100 (Notable)
30 July 1966	Astrahanka, RU	daily rain	72.9 mm (2.9 in)	64.9 mm (2.6 in)	20 years	49 of 100 (Notable)
30 July 1966	Partizansk, RU	daily rain	64.1 mm (2.5 in)	48.1 mm (1.9 in)	20 years	49 of 100 (Notable)
30 July 1966	Wytheville, US	daily rain	68.6 mm (2.7 in)	41.2 mm (1.6 in)	25 years	48 of 100 (Notable)
30 July 1966	Fort Frances, CA	all-time rain	113.8 mm (4.5 in)	22.9 mm (0.9 in)	0 years	47 of 100 (Notable)
30 July 1966	Hirekerur, IN	daily rain	61.5 mm (2.4 in)	31.5 mm (1.2 in)	56 years	47 of 100 (Notable)
30 July 1966	Sirsi, IN	daily rain	215.9 mm (8.5 in)	86.9 mm (3.4 in)	63 years	47 of 100 (Notable)
30 July 1966	Pogranichnyj, RU	daily rain	37.4 mm (1.5 in)	27.1 mm (1.1 in)	56 years	47 of 100 (Notable)
30 July 1966	Priest Valley, US	monthly rain	25.4 mm (1.0 in)	22.9 mm (0.9 in)	30 years	47 of 100 (Notable)
30 July 1966	Lenoir, US	daily rain	47.8 mm (1.9 in)	22.4 mm (0.9 in)	71 years	47 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 527 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,048
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 1966-07-30: 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 20	347
20 to 40	47
40 to 60	12
60 to 80	6
80 to 100	5
100 to 120	0
120 to 140	1