Weather Records on 30 July 1986

952 weather records were set or tied worldwide on 30 July 1986. Highest significance: Simferopol, UA.

Key Facts for 30 July 1986

On 30 July 1986, 952 weather records were set or tied at long-record stations worldwide.
650 were record highs and 150 were record lows, counting maximum and minimum temperature.
By timescale, 9 were all-time records, 29 monthly and 914 daily.
Simferopol set a daily record precipitation of 42.0 mm (1.7 in) on 30 July 1986.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 437 records.

Record Map

952 stations

952 station records on 30 July 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Simferopol	Ukraine	Record daily precipitation	42.0 mm (1.7 in)	59 of 100 (Notable)
Plainfield	United States	Record daily precipitation	104.4 mm (4.1 in)	50 of 100 (Notable)
Livingston	United States	Record high minimum temperature	27.8 C (82.0 F)	48 of 100 (Notable)
Woodville 4 ESE	United States	Record high minimum temperature	26.7 C (80.1 F)	47 of 100 (Notable)
Monticello Muni AP	United States	Record high maximum temperature	38.9 C (102.0 F)	45 of 100 (Notable)
Cordele	United States	Record high maximum temperature	39.4 C (102.9 F)	43 of 100 (Notable)
Piaxtla	Mexico	Record low minimum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
New Ulm 2 SE	United States	Record daily precipitation	66.3 mm (2.6 in)	42 of 100 (Notable)
Busselton Shire	Australia	Record daily precipitation	48.4 mm (1.9 in)	41 of 100 (Notable)
Belah Park	Australia	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
Crystal Springs Exp STN	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Fayetteville Exp STN	United States	Record high maximum temperature	41.1 C (106.0 F)	40 of 100 (Notable)
Batesville	United States	Record high maximum temperature	40.6 C (105.1 F)	40 of 100 (Notable)
Partoun	United States	Record low minimum temperature	8.3 C (46.9 F)	40 of 100 (Notable)
Esso	Russia	Record daily precipitation	26.4 mm (1.0 in)	39 of 100 (Notable)
Fayetteville Exp STN	United States	Record high minimum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Hatchville	United States	Record daily precipitation	45.2 mm (1.8 in)	39 of 100 (Notable)
Fulton 3 W	United States	Record high maximum temperature	40.0 C (104.0 F)	39 of 100 (Notable)
Milbank 4 NW	United States	Record daily precipitation	43.2 mm (1.7 in)	39 of 100 (Notable)
New Orleans Audubon	United States	Record high minimum temperature	27.2 C (81.0 F)	39 of 100 (Notable)
Helena	United States	Record high maximum temperature	40.0 C (104.0 F)	38 of 100 (Notable)
Hot Springs 1 NNE	United States	Record high maximum temperature	45.0 C (113.0 F)	38 of 100 (Notable)
Newport	United States	Record high minimum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Newport	United States	Record low minimum temperature	5.0 C (41.0 F)	38 of 100 (Notable)
Chapman Hill	Australia	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Troy	United States	Record high minimum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
State UNIV	United States	Record high minimum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Auburn	United States	Record daily precipitation	63.8 mm (2.5 in)	37 of 100 (Notable)
Mys Shmidta	Russia	Record daily precipitation	34.8 mm (1.4 in)	36 of 100 (Notable)
Winfield 3NE	United States	Record high maximum temperature	42.8 C (109.0 F)	36 of 100 (Notable)
Crowley 2 NE	United States	Record high maximum temperature	37.2 C (99.0 F)	36 of 100 (Notable)
Le Ctr 2 SE	United States	Record daily precipitation	65.5 mm (2.6 in)	36 of 100 (Notable)
Water Valley	United States	Record high maximum temperature	41.1 C (106.0 F)	36 of 100 (Notable)
Enid	United States	Record high minimum temperature	27.2 C (81.0 F)	36 of 100 (Notable)
Lafayette Rgnl AP	United States	Record high minimum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Petropavlovskij Majak	Russia	Record daily precipitation	31.3 mm (1.2 in)	35 of 100 (Notable)
Evergreen	United States	Record high maximum temperature	38.3 C (100.9 F)	35 of 100 (Notable)
Mecca Fire STN	United States	Record low minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Liberal	United States	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Pratt 3NW	United States	Record high maximum temperature	43.3 C (109.9 F)	35 of 100 (Notable)
Covington 8 WNW	United States	Record high maximum temperature	37.2 C (99.0 F)	35 of 100 (Notable)
Lancaster	United States	Record daily precipitation	39.4 mm (1.6 in)	35 of 100 (Notable)
Pensacola Rgnl AP	United States	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)
Newark Liberty Intl AP	United States	Record daily precipitation	80.0 mm (3.1 in)	35 of 100 (Notable)
Marianna 2 S	United States	Record high maximum temperature	39.4 C (102.9 F)	34 of 100 (Routine)
Pascagoula 3 NE	United States	Record high maximum temperature	37.2 C (99.0 F)	34 of 100 (Routine)
Davenport	United States	Record low minimum temperature	1.7 C (35.1 F)	34 of 100 (Routine)
Balline	Australia	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Roosevelt Roads	Puerto Rico [United States]	Record daily precipitation	34.5 mm (1.4 in)	33 of 100 (Routine)
Petropavlovsk-Kamchatskij	Russia	Record daily precipitation	28.7 mm (1.1 in)	33 of 100 (Routine)
Alicia 2 NNE	United States	Record high minimum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Tiger Creek Ph	United States	Record low minimum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
University	United States	Record high maximum temperature	39.4 C (102.9 F)	33 of 100 (Routine)
Wyola 1 SW	United States	Record high minimum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Keene	United States	Record daily precipitation	63.0 mm (2.5 in)	33 of 100 (Routine)
Ada	United States	Record high minimum temperature	27.2 C (81.0 F)	33 of 100 (Routine)
Chattanooga	United States	Record high maximum temperature	43.3 C (109.9 F)	33 of 100 (Routine)
Healdton 3 E	United States	Record high maximum temperature	43.3 C (109.9 F)	33 of 100 (Routine)
Webster	United States	Record daily precipitation	37.8 mm (1.5 in)	33 of 100 (Routine)
Donnybrook	Australia	Record daily precipitation	48.0 mm (1.9 in)	32 of 100 (Routine)

Counts by Type and Timescale

952 records

Records set or tied on 30 July 1986 by type: Highest daily maximum 403, Lowest daily maximum 41, Highest daily minimum 247, Lowest daily minimum 109, Heaviest daily rainfall 152.

Records on 30 July 1986 by type
Record type	Records
Highest daily maximum	403
Lowest daily maximum	41
Highest daily minimum	247
Lowest daily minimum	109
Heaviest daily rainfall	152
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1986 by timescale: all-time 9, monthly 29, daily 914.

How Much Records Were Beaten By

676 broken records

Margins by which the 676 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.4. Ties are not counted.

Top 20 by Significance

30 July 1986

Top 20 records on 30 July 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1986	Simferopol, UA	daily rain	42.0 mm (1.7 in)	28.0 mm (1.1 in)	84 years	59 of 100 (Notable)
30 July 1986	Plainfield, US	daily rain	104.4 mm (4.1 in)	73.4 mm (2.9 in)	16 years	50 of 100 (Notable)
30 July 1986	Livingston, US	daily high min	27.8 C (82.0 F)	3.4 C (6.1 F)	79 years	48 of 100 (Notable)
30 July 1986	Woodville 4 ESE, US	daily high min	26.7 C (80.1 F)	2.3 C (4.1 F)	80 years	47 of 100 (Notable)
30 July 1986	Monticello Muni AP, US	daily high max	38.9 C (102.0 F)	1.7 C (3.1 F)	98 years	45 of 100 (Notable)
30 July 1986	Cordele, US	daily high max	39.4 C (102.9 F)	1.6 C (2.9 F)	93 years	43 of 100 (Notable)
30 July 1986	Piaxtla, MX	daily low min	10.6 C (51.1 F)	3.8 C (6.8 F)	56 years	42 of 100 (Notable)
30 July 1986	New Ulm 2 SE, US	daily rain	66.3 mm (2.6 in)	38.1 mm (1.5 in)	23 years	42 of 100 (Notable)
30 July 1986	Busselton Shire, AU	daily rain	48.4 mm (1.9 in)	27.6 mm (1.1 in)	15 years	41 of 100 (Notable)
30 July 1986	Belah Park, AU	daily rain	35.0 mm (1.4 in)	22.3 mm (0.9 in)	63 years	41 of 100 (Notable)
30 July 1986	Crystal Springs Exp STN, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	89 years	41 of 100 (Notable)
30 July 1986	Fayetteville Exp STN, US	daily high max	41.1 C (106.0 F)	1.7 C (3.1 F)	89 years	40 of 100 (Notable)
30 July 1986	Batesville, US	daily high max	40.6 C (105.1 F)	2.3 C (4.1 F)	76 years	40 of 100 (Notable)
30 July 1986	Partoun, US	daily low min	8.3 C (46.9 F)	2.8 C (5.0 F)	80 years	40 of 100 (Notable)
30 July 1986	Esso, RU	daily rain	26.4 mm (1.0 in)	14.6 mm (0.6 in)	43 years	39 of 100 (Notable)
30 July 1986	Fayetteville Exp STN, US	daily high min	26.7 C (80.1 F)	2.3 C (4.1 F)	76 years	39 of 100 (Notable)
30 July 1986	Hatchville, US	daily rain	45.2 mm (1.8 in)	32.2 mm (1.3 in)	28 years	39 of 100 (Notable)
30 July 1986	Fulton 3 W, US	daily high max	40.0 C (104.0 F)	1.1 C (2.0 F)	89 years	39 of 100 (Notable)
30 July 1986	Milbank 4 NW, US	daily rain	43.2 mm (1.7 in)	21.9 mm (0.9 in)	36 years	39 of 100 (Notable)
30 July 1986	New Orleans Audubon, US	daily high min	27.2 C (81.0 F)	1.1 C (2.0 F)	83 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 1986

Records set or tied on this calendar date in each year from 1794 to 1986. 1986 had 952 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 1986-07-30: 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 10	628
10 to 20	28
20 to 30	15
30 to 40	3
40 to 50	1
50 to 60	0
60 to 70	0
70 to 80	1