Weather Records on 11 August 1991

822 weather records were set or tied worldwide on 11 August 1991. Highest significance: Bhubaneswar, IN.

Key Facts for 11 August 1991

On 11 August 1991, 822 weather records were set or tied at long-record stations worldwide.
370 were record highs and 249 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 38 monthly and 783 daily.
Bhubaneswar set a monthly record daily precipitation of 318.8 mm (12.6 in) on 11 August 1991.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 458 records.

Record Map

822 stations

822 station records on 11 August 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 August 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bhubaneswar	India	Record daily precipitation	318.8 mm (12.6 in)	74 of 100 (Major)
Eastport	United States	Record daily precipitation	65.3 mm (2.6 in)	63 of 100 (Major)
Nazyvoevsk	Russia	Record daily precipitation	62.7 mm (2.5 in)	59 of 100 (Notable)
Omsk	Russia	Record daily precipitation	30.9 mm (1.2 in)	53 of 100 (Notable)
Limon	United States	Record daily precipitation	50.0 mm (2.0 in)	53 of 100 (Notable)
Machias	United States	Record daily precipitation	84.6 mm (3.3 in)	52 of 100 (Notable)
Raton Fltr Plt	United States	Record daily precipitation	68.1 mm (2.7 in)	52 of 100 (Notable)
Kara-Tube,Amsg	Kazakhstan	Record daily precipitation	35.7 mm (1.4 in)	51 of 100 (Notable)
Sandheads	India	Record daily precipitation	337.1 mm (13.3 in)	50 of 100 (Notable)
Artesia 6S	United States	Record daily precipitation	86.1 mm (3.4 in)	50 of 100 (Notable)
Jasper	United States	Record daily precipitation	43.9 mm (1.7 in)	50 of 100 (Notable)
Woodville 4 ESE	United States	Record daily precipitation	78.7 mm (3.1 in)	48 of 100 (Notable)
Kovda	Russia	Record daily precipitation	101.1 mm (4.0 in)	47 of 100 (Notable)
Farmington	United States	Record daily precipitation	52.3 mm (2.1 in)	46 of 100 (Notable)
Spur	United States	Record low maximum temperature	23.9 C (75.0 F)	46 of 100 (Notable)
San Martin Chalchicuautla	Mexico	Record low minimum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Woodland	United States	Record daily precipitation	74.9 mm (2.9 in)	45 of 100 (Notable)
Schierke	Germany	Record high minimum temperature	16.0 C (60.8 F)	44 of 100 (Notable)
Atil	Mexico	Record low minimum temperature	10.6 C (51.1 F)	44 of 100 (Notable)
Wickenburg	United States	Record daily precipitation	31.2 mm (1.2 in)	43 of 100 (Notable)
Tlaquepaque	Mexico	Record daily precipitation	75.4 mm (3.0 in)	42 of 100 (Notable)
Brooksville Chin Hill	United States	Record high minimum temperature	25.0 C (77.0 F)	42 of 100 (Notable)
Litledal	Norway	Record daily precipitation	43.6 mm (1.7 in)	41 of 100 (Notable)
Troicko-Pecherskoe	Russia	Record low minimum temperature	-0.1 C (31.8 F)	41 of 100 (Notable)
Wedgefield	United States	Record daily precipitation	67.6 mm (2.7 in)	41 of 100 (Notable)
Moscow U of I	United States	Record low minimum temperature	2.2 C (36.0 F)	40 of 100 (Notable)
Helena	United States	Record low maximum temperature	26.1 C (79.0 F)	39 of 100 (Notable)
Albany	United States	Record daily precipitation	60.2 mm (2.4 in)	39 of 100 (Notable)
El Pilar	Mexico	Record daily precipitation	39.9 mm (1.6 in)	38 of 100 (Notable)
Jerome	United States	Record low maximum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Esquel Aero	Argentina	Record low minimum temperature	-18.6 C (-1.5 F)	37 of 100 (Notable)
Bagdad	United States	Record daily precipitation	28.4 mm (1.1 in)	37 of 100 (Notable)
Ackerly 4SE	United States	Record daily precipitation	68.1 mm (2.7 in)	37 of 100 (Notable)
Dublin 2SE	United States	Record daily precipitation	82.6 mm (3.3 in)	37 of 100 (Notable)
Pskov	Russia	Record daily precipitation	38.8 mm (1.5 in)	36 of 100 (Notable)
Chula Vista	United States	Record high maximum temperature	31.7 C (89.1 F)	36 of 100 (Notable)
Ellsworth	United States	Record daily precipitation	47.0 mm (1.9 in)	36 of 100 (Notable)
Floydada 9SE	United States	Record daily precipitation	59.7 mm (2.4 in)	36 of 100 (Notable)
Punchbowl Crater 709	United States	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
Lugano	Switzerland	Record high minimum temperature	21.6 C (70.9 F)	35 of 100 (Notable)
Carnesville	United States	Record daily precipitation	59.7 mm (2.4 in)	35 of 100 (Notable)
Franklin 3 NW	United States	Record low maximum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
Walterboro 1 SW	United States	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Breckenridge	United States	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
Chokurdah	Russia	Record high minimum temperature	14.7 C (58.5 F)	34 of 100 (Routine)
Brooksville Exp STN	United States	Record daily precipitation	54.4 mm (2.1 in)	34 of 100 (Routine)
Lampasas	United States	Record daily precipitation	47.2 mm (1.9 in)	34 of 100 (Routine)
Sedro-Woolley	United States	Record low maximum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Lisboa Geofisica	Portugal	Record high maximum temperature	35.2 C (95.4 F)	33 of 100 (Routine)
Eastbourne	United Kingdom	Record high minimum temperature	17.0 C (62.6 F)	33 of 100 (Routine)
Beechwood	United States	Record daily precipitation	58.7 mm (2.3 in)	33 of 100 (Routine)
Anson	United States	Record daily precipitation	66.8 mm (2.6 in)	33 of 100 (Routine)
Aspermont	United States	Record daily precipitation	68.8 mm (2.7 in)	33 of 100 (Routine)
Nevinnomyssk	Russia	Record daily precipitation	54.8 mm (2.2 in)	32 of 100 (Routine)
Chevelon Rs	United States	Record daily precipitation	30.7 mm (1.2 in)	32 of 100 (Routine)
Forsyth 6 NNW	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Putnam	United States	Record daily precipitation	63.8 mm (2.5 in)	32 of 100 (Routine)
Gottingen	Germany	Record high minimum temperature	19.8 C (67.6 F)	31 of 100 (Routine)
Monclova (Dge)	Mexico	Record low maximum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
El-Ton	Russia	Record low minimum temperature	8.1 C (46.6 F)	31 of 100 (Routine)

Counts by Type and Timescale

822 records

Records set or tied on 11 August 1991 by type: Highest daily maximum 148, Lowest daily maximum 141, Highest daily minimum 222, Lowest daily minimum 108, Heaviest daily rainfall 203.

Records on 11 August 1991 by type
Record type	Records
Highest daily maximum	148
Lowest daily maximum	141
Highest daily minimum	222
Lowest daily minimum	108
Heaviest daily rainfall	203
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 August 1991 by timescale: all-time 1, monthly 38, daily 783.

How Much Records Were Beaten By

644 broken records

Margins by which the 644 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 115.6. Ties are not counted.

Top 20 by Significance

11 August 1991

Top 20 records on 11 August 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1991	Bhubaneswar, IN	monthly rain	318.8 mm (12.6 in)	115.6 mm (4.6 in)	58 years	74 of 100 (Major)
11 August 1991	Eastport, US	daily rain	65.3 mm (2.6 in)	27.7 mm (1.1 in)	93 years	63 of 100 (Major)
11 August 1991	Nazyvoevsk, RU	monthly rain	62.7 mm (2.5 in)	28.5 mm (1.1 in)	21 years	59 of 100 (Notable)
11 August 1991	Omsk, RU	daily rain	30.9 mm (1.2 in)	15.2 mm (0.6 in)	60 years	53 of 100 (Notable)
11 August 1991	Limon, US	daily rain	50.0 mm (2.0 in)	41.4 mm (1.6 in)	30 years	53 of 100 (Notable)
11 August 1991	Machias, US	daily rain	84.6 mm (3.3 in)	40.9 mm (1.6 in)	36 years	52 of 100 (Notable)
11 August 1991	Raton Fltr Plt, US	monthly rain	68.1 mm (2.7 in)	24.4 mm (1.0 in)	32 years	52 of 100 (Notable)
11 August 1991	Kara-Tube,Amsg, KZ	monthly rain	35.7 mm (1.4 in)	14.0 mm (0.6 in)	20 years	51 of 100 (Notable)
11 August 1991	Sandheads, IN	monthly rain	337.1 mm (13.3 in)	81.1 mm (3.2 in)	5 years	50 of 100 (Notable)
11 August 1991	Artesia 6S, US	daily rain	86.1 mm (3.4 in)	49.0 mm (1.9 in)	6 years	50 of 100 (Notable)
11 August 1991	Jasper, US	daily rain	43.9 mm (1.7 in)	22.8 mm (0.9 in)	88 years	50 of 100 (Notable)
11 August 1991	Woodville 4 ESE, US	daily rain	78.7 mm (3.1 in)	27.4 mm (1.1 in)	70 years	48 of 100 (Notable)
11 August 1991	Kovda, RU	daily rain	101.1 mm (4.0 in)	72.5 mm (2.9 in)	8 years	47 of 100 (Notable)
11 August 1991	Farmington, US	daily rain	52.3 mm (2.1 in)	17.5 mm (0.7 in)	70 years	46 of 100 (Notable)
11 August 1991	Spur, US	daily low max	23.9 C (75.0 F)	6.1 C (11.0 F)	70 years	46 of 100 (Notable)
11 August 1991	San Martin Chalchicuautla, MX	daily low min	15.6 C (60.1 F)	4.4 C (7.9 F)	21 years	45 of 100 (Notable)
11 August 1991	Woodland, US	daily rain	74.9 mm (2.9 in)	30.2 mm (1.2 in)	36 years	45 of 100 (Notable)
11 August 1991	Schierke, DE	monthly high min	16.0 C (60.8 F)	0.5 C (0.9 F)	82 years	44 of 100 (Notable)
11 August 1991	Atil, MX	daily low min	10.6 C (51.1 F)	5.5 C (9.9 F)	41 years	44 of 100 (Notable)
11 August 1991	Wickenburg, US	daily rain	31.2 mm (1.2 in)	16.0 mm (0.6 in)	73 years	43 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

1793 to 1991

Records set or tied on this calendar date in each year from 1793 to 1991. 1991 had 822 records.

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

Records on 08-11 in each year
Year	Records
1793	1
1796	1
1811	1
1815	2
1838	1
1839	1
1841	1
1851	1
1855	1
1858	1
1861	2
1862	1
1863	1
1864	6
1865	1
1866	6
1869	4
1871	1
1875	1
1879	2
1881	1
1883	1
1885	1
1888	1
1889	4
1890	4
1891	1
1892	4
1893	1
1894	1
1895	2
1896	5
1897	3
1898	2
1899	3
1900	4
1901	4
1902	13
1903	12
1904	19
1905	9
1906	6
1907	8
1908	10
1909	41
1910	9
1911	24
1912	46
1913	43
1914	26
1915	27
1916	64
1917	217
1918	29
1919	18
1920	54
1921	201
1922	98
1923	80
1924	149
1925	219
1926	140
1927	190
1928	174
1929	354
1930	471
1931	453
1932	281
1933	416
1934	620
1935	499
1936	541
1937	356
1938	315
1939	389
1940	359
1941	807
1942	390
1943	345
1944	936
1945	401
1946	419
1947	709
1948	306
1949	471
1950	320
1951	296
1952	417
1953	283
1954	536
1955	319
1956	457
1957	305
1958	494
1959	337
1960	461
1961	429
1962	662
1963	493
1964	677
1965	793
1966	1,037
1967	1,071
1968	619
1969	533
1970	526
1971	711
1972	823
1973	451
1974	596
1975	753
1976	529
1977	845
1978	433
1979	797
1980	929
1981	645
1982	1,232
1983	1,095
1984	822
1985	804
1986	563
1987	885
1988	1,119
1989	983
1990	760
1991	822
1992	928
1993	840
1994	1,173
1995	1,324
1996	1,147
1997	1,512
1998	1,232
1999	1,152
2000	924
2001	811
2002	1,152
2003	1,601
2004	1,478
2005	1,031
2006	896
2007	1,428
2008	945
2009	836
2010	2,289
2011	1,106
2012	953
2013	470
2014	556
2015	696
2016	1,340
2017	619
2018	861
2019	758
2020	688
2021	834
2022	661
2023	757
2024	643
2025	722
2026	765

Download the Data

Data for records on 1991-08-11: 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	604
20 to 40	32
40 to 60	5
60 to 80	1
80 to 100	1
100 to 120	1