Weather Records on 30 August 1991

938 weather records were set or tied worldwide on 30 August 1991. Highest significance: Pennington Gap, US.

Key Facts for 30 August 1991

On 30 August 1991, 938 weather records were set or tied at long-record stations worldwide.
523 were record highs and 75 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 921 daily.
Pennington Gap set a daily record precipitation of 90.9 mm (3.6 in) on 30 August 1991.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 420 records.

Record Map

938 stations

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

Weather records on 30 August 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pennington Gap	United States	Record daily precipitation	90.9 mm (3.6 in)	61 of 100 (Major)
Forks 1 E	United States	Record daily precipitation	116.3 mm (4.6 in)	58 of 100 (Notable)
Carnegie 5 NE	United States	Record daily precipitation	71.1 mm (2.8 in)	57 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	57.9 mm (2.3 in)	54 of 100 (Notable)
Markovo	Russia	Record daily precipitation	37.8 mm (1.5 in)	53 of 100 (Notable)
Carville 2 SW	United States	Record daily precipitation	91.4 mm (3.6 in)	53 of 100 (Notable)
Lookeba 1 N	United States	Record daily precipitation	55.4 mm (2.2 in)	53 of 100 (Notable)
Lillimur Estate	Australia	Record daily precipitation	27.0 mm (1.1 in)	52 of 100 (Notable)
Baton Rouge Metro AP	United States	Record daily precipitation	111.3 mm (4.4 in)	52 of 100 (Notable)
Apache	United States	Record daily precipitation	58.2 mm (2.3 in)	51 of 100 (Notable)
Waynesboro	United States	Record daily precipitation	82.8 mm (3.3 in)	49 of 100 (Notable)
Sappho 8 E	United States	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Uplands (Gibbo River Park)	Australia	Record daily precipitation	42.4 mm (1.7 in)	44 of 100 (Notable)
Marlow 1 WSW	United States	Record daily precipitation	81.3 mm (3.2 in)	44 of 100 (Notable)
Renovo	United States	Record high maximum temperature	35.0 C (95.0 F)	43 of 100 (Notable)
Rjazsk	Russia	Record daily precipitation	26.8 mm (1.1 in)	42 of 100 (Notable)
Anna	Russia	Record daily precipitation	33.8 mm (1.3 in)	42 of 100 (Notable)
Bordertown (Berangwee)	Australia	Record daily precipitation	25.8 mm (1.0 in)	41 of 100 (Notable)
Healdton 3 E	United States	Record daily precipitation	66.3 mm (2.6 in)	41 of 100 (Notable)
Roanoke	United States	Record daily precipitation	45.7 mm (1.8 in)	41 of 100 (Notable)
Elwha Rs	United States	Record daily precipitation	47.2 mm (1.9 in)	41 of 100 (Notable)
Propria	Brazil	Record daily precipitation	42.7 mm (1.7 in)	40 of 100 (Notable)
Hamburg	United States	Record high maximum temperature	35.0 C (95.0 F)	40 of 100 (Notable)
Grapevine Dam	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Tilden 4 SSE	United States	Record high maximum temperature	40.6 C (105.1 F)	39 of 100 (Notable)
Clearwater	United States	Record daily precipitation	70.1 mm (2.8 in)	39 of 100 (Notable)
Waiahole 837	United States	Record daily precipitation	191.0 mm (7.5 in)	39 of 100 (Notable)
Meadows	Australia	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Caledonia	United States	Record high minimum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Bowie	United States	Record daily precipitation	57.9 mm (2.3 in)	38 of 100 (Notable)
Aberdeen 20NNE	United States	Record daily precipitation	73.4 mm (2.9 in)	38 of 100 (Notable)
Halenanaho 1006	United States	Record daily precipitation	45.2 mm (1.8 in)	38 of 100 (Notable)
San Martin Chalchicuautla	Mexico	Record low minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Malvern	United States	Record daily precipitation	37.1 mm (1.5 in)	37 of 100 (Notable)
Arkansas City	United States	Record daily precipitation	62.5 mm (2.5 in)	37 of 100 (Notable)
Collegeville St John's	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Hoquiam Bowerman AP	United States	Record daily precipitation	46.2 mm (1.8 in)	37 of 100 (Notable)
Micurinsk	Russia	Record daily precipitation	32.7 mm (1.3 in)	36 of 100 (Notable)
Ludington 4 SE	United States	Record high maximum temperature	31.7 C (89.1 F)	36 of 100 (Notable)
Beaver Falls	United States	Record daily precipitation	173.2 mm (6.8 in)	36 of 100 (Notable)
Princeville Rch 1117	United States	Record daily precipitation	38.4 mm (1.5 in)	36 of 100 (Notable)
Clarksville	United States	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Mt Olive 1 E	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Andrews	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Seminole	United States	Record daily precipitation	62.0 mm (2.4 in)	35 of 100 (Notable)
Anna	United States	Record daily precipitation	50.0 mm (2.0 in)	35 of 100 (Notable)
Sherman	United States	Record daily precipitation	57.7 mm (2.3 in)	35 of 100 (Notable)
Deddington (Marathon)	Australia	Record daily precipitation	27.6 mm (1.1 in)	34 of 100 (Routine)
Turgaj	Kazakhstan	Record high maximum temperature	37.0 C (98.6 F)	34 of 100 (Routine)
Markovo	Russia	Record high minimum temperature	9.9 C (49.8 F)	34 of 100 (Routine)
Slidell	United States	Record daily precipitation	87.6 mm (3.4 in)	34 of 100 (Routine)
Grand Marais	United States	Record high maximum temperature	32.2 C (90.0 F)	34 of 100 (Routine)
Cordell	United States	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Dewar 2 NE	United States	Record daily precipitation	62.2 mm (2.4 in)	34 of 100 (Routine)
Shreveport	United States	Record daily precipitation	83.8 mm (3.3 in)	34 of 100 (Routine)
Launceston Airport Comparison	Australia	Record daily precipitation	27.0 mm (1.1 in)	33 of 100 (Routine)
Niamey Aero	Niger	Record daily precipitation	61.0 mm (2.4 in)	33 of 100 (Routine)
Mihajlov	Russia	Record daily precipitation	32.2 mm (1.3 in)	33 of 100 (Routine)
Morsansk	Russia	Record daily precipitation	26.1 mm (1.0 in)	33 of 100 (Routine)
Whitefish Pt	United States	Record high maximum temperature	33.9 C (93.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

938 records

Records set or tied on 30 August 1991 by type: Highest daily maximum 294, Lowest daily maximum 25, Highest daily minimum 229, Lowest daily minimum 50, Heaviest daily rainfall 340.

Records on 30 August 1991 by type
Record type	Records
Highest daily maximum	294
Lowest daily maximum	25
Highest daily minimum	229
Lowest daily minimum	50
Heaviest daily rainfall	340
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 1991 by timescale: all-time 0, monthly 17, daily 921.

How Much Records Were Beaten By

699 broken records

Margins by which the 699 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.7. Ties are not counted.

Top 20 by Significance

30 August 1991

Top 20 records on 30 August 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1991	Pennington Gap, US	daily rain	90.9 mm (3.6 in)	49.8 mm (2.0 in)	50 years	61 of 100 (Major)
30 August 1991	Forks 1 E, US	monthly rain	116.3 mm (4.6 in)	45.4 mm (1.8 in)	0 years	58 of 100 (Notable)
30 August 1991	Carnegie 5 NE, US	daily rain	71.1 mm (2.8 in)	55.4 mm (2.2 in)	36 years	57 of 100 (Notable)
30 August 1991	Aberdeen, US	daily rain	57.9 mm (2.3 in)	18.0 mm (0.7 in)	68 years	54 of 100 (Notable)
30 August 1991	Markovo, RU	daily rain	37.8 mm (1.5 in)	18.2 mm (0.7 in)	42 years	53 of 100 (Notable)
30 August 1991	Carville 2 SW, US	daily rain	91.4 mm (3.6 in)	72.9 mm (2.9 in)	28 years	53 of 100 (Notable)
30 August 1991	Lookeba 1 N, US	daily rain	55.4 mm (2.2 in)	46.5 mm (1.8 in)	46 years	53 of 100 (Notable)
30 August 1991	Lillimur Estate, AU	daily rain	27.0 mm (1.1 in)	10.2 mm (0.4 in)	65 years	52 of 100 (Notable)
30 August 1991	Baton Rouge Metro AP, US	daily rain	111.3 mm (4.4 in)	90.7 mm (3.6 in)	20 years	52 of 100 (Notable)
30 August 1991	Apache, US	daily rain	58.2 mm (2.3 in)	40.4 mm (1.6 in)	46 years	51 of 100 (Notable)
30 August 1991	Waynesboro, US	daily rain	82.8 mm (3.3 in)	35.8 mm (1.4 in)	50 years	49 of 100 (Notable)
30 August 1991	Sappho 8 E, US	daily rain	55.9 mm (2.2 in)	34.3 mm (1.4 in)	0 years	45 of 100 (Notable)
30 August 1991	Uplands (Gibbo River Park), AU	daily rain	42.4 mm (1.7 in)	21.6 mm (0.9 in)	64 years	44 of 100 (Notable)
30 August 1991	Marlow 1 WSW, US	daily rain	81.3 mm (3.2 in)	54.9 mm (2.2 in)	1 year	44 of 100 (Notable)
30 August 1991	Renovo, US	daily high max	35.0 C (95.0 F)	2.8 C (5.0 F)	90 years	43 of 100 (Notable)
30 August 1991	Rjazsk, RU	daily rain	26.8 mm (1.1 in)	22.3 mm (0.9 in)	20 years	42 of 100 (Notable)
30 August 1991	Anna, RU	daily rain	33.8 mm (1.3 in)	19.5 mm (0.8 in)	36 years	42 of 100 (Notable)
30 August 1991	Bordertown (Berangwee), AU	daily rain	25.8 mm (1.0 in)	13.1 mm (0.5 in)	21 years	41 of 100 (Notable)
30 August 1991	Healdton 3 E, US	daily rain	66.3 mm (2.6 in)	21.8 mm (0.9 in)	72 years	41 of 100 (Notable)
30 August 1991	Roanoke, US	daily rain	45.7 mm (1.8 in)	30.5 mm (1.2 in)	46 years	41 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

1806 to 1991

Records set or tied on this calendar date in each year from 1806 to 1991. 1991 had 938 records.

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

Records on 08-30 in each year
Year	Records
1806	1
1807	4
1813	1
1814	2
1827	1
1829	1
1835	1
1838	1
1839	1
1845	4
1850	1
1851	2
1855	1
1857	1
1859	1
1864	2
1867	1
1869	1
1870	2
1874	1
1875	2
1876	1
1877	2
1878	1
1880	4
1881	2
1882	1
1884	1
1885	5
1886	7
1887	1
1888	1
1889	2
1890	5
1891	1
1892	3
1893	3
1894	2
1895	1
1896	1
1897	3
1898	3
1899	2
1900	6
1901	8
1902	12
1903	19
1904	13
1905	23
1906	29
1907	8
1908	10
1909	37
1910	15
1911	41
1912	60
1913	22
1914	23
1915	47
1916	17
1917	50
1918	45
1919	17
1920	78
1921	100
1922	65
1923	61
1924	283
1925	167
1926	173
1927	109
1928	327
1929	208
1930	245
1931	192
1932	1,102
1933	274
1934	519
1935	476
1936	191
1937	418
1938	233
1939	401
1940	346
1941	422
1942	385
1943	487
1944	491
1945	455
1946	545
1947	599
1948	519
1949	240
1950	481
1951	1,091
1952	316
1953	1,124
1954	516
1955	417
1956	479
1957	321
1958	363
1959	546
1960	356
1961	573
1962	387
1963	442
1964	422
1965	1,118
1966	500
1967	536
1968	729
1969	522
1970	423
1971	443
1972	579
1973	646
1974	838
1975	664
1976	679
1977	665
1978	825
1979	517
1980	572
1981	684
1982	770
1983	696
1984	1,127
1985	629
1986	1,768
1987	638
1988	881
1989	791
1990	983
1991	938
1992	1,697
1993	1,200
1994	601
1995	940
1996	1,385
1997	960
1998	1,278
1999	864
2000	1,189
2001	750
2002	801
2003	1,226
2004	1,087
2005	1,500
2006	989
2007	1,300
2008	678
2009	1,251
2010	1,552
2011	994
2012	1,087
2013	644
2014	558
2015	1,074
2016	552
2017	924
2018	616
2019	755
2020	671
2021	429
2022	1,077
2023	651
2024	912
2025	324
2026	733

Download the Data

Data for records on 1991-08-30: 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).