Weather Records on 30 July 1991

734 weather records were set or tied worldwide on 30 July 1991. Highest significance: Honolua Fld 49 494, US.

Key Facts for 30 July 1991

On 30 July 1991, 734 weather records were set or tied at long-record stations worldwide.
321 were record highs and 221 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 18 monthly and 712 daily.
Honolua Fld 49 494 set a daily record precipitation of 47.0 mm (1.9 in) on 30 July 1991.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 438 records.

Record Map

734 stations

734 station records on 30 July 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Honolua Fld 49 494	United States	Record daily precipitation	47.0 mm (1.9 in)	72 of 100 (Major)
Znamianka	Ukraine	Record daily precipitation	115.1 mm (4.5 in)	68 of 100 (Major)
Snowville	United States	Record daily precipitation	33.0 mm (1.3 in)	64 of 100 (Major)
Strasbourg-Entzheim	France	Record daily precipitation	35.4 mm (1.4 in)	60 of 100 (Major)
Oxford	United Kingdom	Record daily precipitation	32.5 mm (1.3 in)	60 of 100 (Major)
Kukuihaele Hic 199	United States	Record daily precipitation	94.7 mm (3.7 in)	60 of 100 (Major)
Parkersburg	United States	Record daily precipitation	58.4 mm (2.3 in)	60 of 100 (Major)
Honokohua 493	United States	Record daily precipitation	38.1 mm (1.5 in)	59 of 100 (Notable)
Coroaci	Brazil	Record daily precipitation	25.0 mm (1.0 in)	57 of 100 (Notable)
Newberry	United States	Record daily precipitation	97.0 mm (3.8 in)	56 of 100 (Notable)
Nagpur Sonegaon	India	Record daily precipitation	182.9 mm (7.2 in)	55 of 100 (Notable)
Tolka	Russia	Record daily precipitation	38.7 mm (1.5 in)	55 of 100 (Notable)
Newnan 7 WNW	United States	Record daily precipitation	62.2 mm (2.4 in)	53 of 100 (Notable)
Campanario	Brazil	Record daily precipitation	25.5 mm (1.0 in)	50 of 100 (Notable)
Fujin	China	Record daily precipitation	74.0 mm (2.9 in)	50 of 100 (Notable)
Deuselbach	Germany	Record daily precipitation	33.9 mm (1.3 in)	50 of 100 (Notable)
Ionia 2SSW	United States	Record low maximum temperature	18.9 C (66.0 F)	50 of 100 (Notable)
Berus	Germany	Record daily precipitation	30.2 mm (1.2 in)	49 of 100 (Notable)
Monroe 2 SE	United States	Record daily precipitation	60.5 mm (2.4 in)	49 of 100 (Notable)
Garrafao (Dnos)	Brazil	Record daily precipitation	25.0 mm (1.0 in)	48 of 100 (Notable)
Montelimar	France	Record daily precipitation	99.8 mm (3.9 in)	47 of 100 (Notable)
Snake Rvr	United States	Record daily precipitation	27.7 mm (1.1 in)	47 of 100 (Notable)
Hampton 1S	United States	Record daily precipitation	79.5 mm (3.1 in)	46 of 100 (Notable)
Lowell	United States	Record daily precipitation	36.3 mm (1.4 in)	45 of 100 (Notable)
Buck Forest	United States	Record daily precipitation	122.7 mm (4.8 in)	45 of 100 (Notable)
Wilson 3 SW	United States	Record daily precipitation	81.0 mm (3.2 in)	45 of 100 (Notable)
Atil	Mexico	Record low minimum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Dzilam de Bravo	Mexico	Record low minimum temperature	13.3 C (55.9 F)	43 of 100 (Notable)
Turuhansk	Russia	Record daily precipitation	57.5 mm (2.3 in)	41 of 100 (Notable)
Freehold-Marlboro	United States	Record low maximum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Galway	Ireland	Record high minimum temperature	16.3 C (61.3 F)	40 of 100 (Notable)
Sotchi	Russia	Record high maximum temperature	34.6 C (94.3 F)	40 of 100 (Notable)
Lubny	Ukraine	Record daily precipitation	35.5 mm (1.4 in)	40 of 100 (Notable)
Tryon	United States	Record daily precipitation	73.2 mm (2.9 in)	40 of 100 (Notable)
Rimini 2 SSW	United States	Record daily precipitation	115.1 mm (4.5 in)	40 of 100 (Notable)
Pahoa 65	United States	Record daily precipitation	46.5 mm (1.8 in)	40 of 100 (Notable)
Smidovich	Russia	Record daily precipitation	68.5 mm (2.7 in)	39 of 100 (Notable)
Gibson	United States	Record daily precipitation	64.3 mm (2.5 in)	39 of 100 (Notable)
Hastings	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Clayton Wtp	United States	Record daily precipitation	70.6 mm (2.8 in)	39 of 100 (Notable)
Cadillac	United States	Record daily precipitation	53.8 mm (2.1 in)	39 of 100 (Notable)
La Estanzuela (Eele)	Uruguay	Record daily precipitation	67.0 mm (2.6 in)	39 of 100 (Notable)
Brooklet 1 W	United States	Record daily precipitation	73.2 mm (2.9 in)	38 of 100 (Notable)
Socorro	United States	Record low maximum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Augusta Bush Fld AP	United States	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Wellesbourne	United Kingdom	Record daily precipitation	36.2 mm (1.4 in)	37 of 100 (Notable)
Liubashivka	Ukraine	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Marlinton	United States	Record low maximum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Ookala 223	United States	Record daily precipitation	72.4 mm (2.9 in)	37 of 100 (Notable)
San Julian (Dge)	Mexico	Record daily precipitation	54.9 mm (2.2 in)	36 of 100 (Notable)
Ozark	United States	Record low minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Emblem	United States	Record high minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Kailua 446	United States	Record daily precipitation	45.2 mm (1.8 in)	36 of 100 (Notable)
San Lucas Ojitlan	Mexico	Record low minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Primorsko-Ahtarsk	Russia	Record high minimum temperature	27.1 C (80.8 F)	35 of 100 (Notable)
Zmeinogorsk	Russia	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Heathrow	United Kingdom	Record daily precipitation	28.9 mm (1.1 in)	35 of 100 (Notable)
Castle Hot Springs	United States	Record low maximum temperature	32.8 C (91.0 F)	35 of 100 (Notable)
Alma	United States	Record low maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Bloomingdale	United States	Record low maximum temperature	20.0 C (68.0 F)	35 of 100 (Notable)

Counts by Type and Timescale

734 records

Records set or tied on 30 July 1991 by type: Highest daily maximum 151, Lowest daily maximum 126, Highest daily minimum 170, Lowest daily minimum 95, Heaviest daily rainfall 192.

Records on 30 July 1991 by type
Record type	Records
Highest daily maximum	151
Lowest daily maximum	126
Highest daily minimum	170
Lowest daily minimum	95
Heaviest daily rainfall	192
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1991 by timescale: all-time 4, monthly 18, daily 712.

How Much Records Were Beaten By

560 broken records

Margins by which the 560 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 133.4. Ties are not counted.

Top 20 by Significance

30 July 1991

Top 20 records on 30 July 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1991	Honolua Fld 49 494, US	daily rain	47.0 mm (1.9 in)	41.4 mm (1.6 in)	81 years	72 of 100 (Major)
30 July 1991	Znamianka, UA	all-time rain	115.1 mm (4.5 in)	36.6 mm (1.4 in)	19 years	68 of 100 (Major)
30 July 1991	Snowville, US	daily rain	33.0 mm (1.3 in)	17.3 mm (0.7 in)	94 years	64 of 100 (Major)
30 July 1991	Strasbourg-Entzheim, FR	daily rain	35.4 mm (1.4 in)	27.4 mm (1.1 in)	49 years	60 of 100 (Major)
30 July 1991	Oxford, GB	daily rain	32.5 mm (1.3 in)	13.4 mm (0.5 in)	151 years	60 of 100 (Major)
30 July 1991	Kukuihaele Hic 199, US	daily rain	94.7 mm (3.7 in)	51.0 mm (2.0 in)	40 years	60 of 100 (Major)
30 July 1991	Parkersburg, US	daily rain	58.4 mm (2.3 in)	43.9 mm (1.7 in)	56 years	60 of 100 (Major)
30 July 1991	Honokohua 493, US	daily rain	38.1 mm (1.5 in)	25.4 mm (1.0 in)	66 years	59 of 100 (Notable)
30 July 1991	Coroaci, BR	daily rain	25.0 mm (1.0 in)	21.8 mm (0.9 in)	40 years	57 of 100 (Notable)
30 July 1991	Newberry, US	daily rain	97.0 mm (3.8 in)	65.8 mm (2.6 in)	24 years	56 of 100 (Notable)
30 July 1991	Nagpur Sonegaon, IN	daily rain	182.9 mm (7.2 in)	133.4 mm (5.3 in)	36 years	55 of 100 (Notable)
30 July 1991	Tolka, RU	daily rain	38.7 mm (1.5 in)	30.3 mm (1.2 in)	37 years	55 of 100 (Notable)
30 July 1991	Newnan 7 WNW, US	daily rain	62.2 mm (2.4 in)	31.2 mm (1.2 in)	64 years	53 of 100 (Notable)
30 July 1991	Campanario, BR	daily rain	25.5 mm (1.0 in)	17.2 mm (0.7 in)	36 years	50 of 100 (Notable)
30 July 1991	Fujin, CN	daily rain	74.0 mm (2.9 in)	41.8 mm (1.6 in)	26 years	50 of 100 (Notable)
30 July 1991	Deuselbach, DE	daily rain	33.9 mm (1.3 in)	21.6 mm (0.9 in)	49 years	50 of 100 (Notable)
30 July 1991	Ionia 2SSW, US	daily low max	18.9 C (66.0 F)	5.0 C (9.0 F)	91 years	50 of 100 (Notable)
30 July 1991	Berus, DE	daily rain	30.2 mm (1.2 in)	22.9 mm (0.9 in)	32 years	49 of 100 (Notable)
30 July 1991	Monroe 2 SE, US	daily rain	60.5 mm (2.4 in)	24.2 mm (1.0 in)	77 years	49 of 100 (Notable)
30 July 1991	Garrafao (Dnos), BR	daily rain	25.0 mm (1.0 in)	17.5 mm (0.7 in)	42 years	48 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 1991

Records set or tied on this calendar date in each year from 1794 to 1991. 1991 had 734 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 1991-07-30: 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	517
20 to 40	30
40 to 60	10
60 to 80	1
80 to 100	0
100 to 120	1
120 to 140	1