Weather Records on 6 August 1991

1,100 weather records were set or tied worldwide on 6 August 1991. Highest significance: Prachin Buri, TH.

Key Facts for 6 August 1991

On 6 August 1991, 1,100 weather records were set or tied at long-record stations worldwide.
470 were record highs and 361 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 34 monthly and 1,063 daily.
Prachin Buri set a monthly record high maximum temperature of 42.0 C (107.6 F) on 6 August 1991.
Across 165 earlier years (1794 to 2026) the same calendar date averaged 443 records.

Record Map

1,100 stations

1,100 station records on 6 August 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 August 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Prachin Buri	Thailand	Record high maximum temperature	42.0 C (107.6 F)	55 of 100 (Notable)
Granville	United States	Record daily precipitation	77.5 mm (3.1 in)	55 of 100 (Notable)
Velva	United States	Record daily precipitation	59.7 mm (2.4 in)	53 of 100 (Notable)
Murdo	United States	Record daily precipitation	48.3 mm (1.9 in)	52 of 100 (Notable)
Brackettville	United States	Record low minimum temperature	13.9 C (57.0 F)	51 of 100 (Notable)
Belcourt Keya Radio	United States	Record daily precipitation	76.2 mm (3.0 in)	50 of 100 (Notable)
Socorro	United States	Record low maximum temperature	24.4 C (75.9 F)	49 of 100 (Notable)
Crookwell Post Office	Australia	Record daily precipitation	47.2 mm (1.9 in)	47 of 100 (Notable)
Chariton 1 E	United States	Record low maximum temperature	18.3 C (64.9 F)	47 of 100 (Notable)
Tres Piedras	United States	Record daily precipitation	73.7 mm (2.9 in)	47 of 100 (Notable)
Redfield	United States	Record daily precipitation	65.3 mm (2.6 in)	47 of 100 (Notable)
Kowen Forest	Australia	Record daily precipitation	33.6 mm (1.3 in)	46 of 100 (Notable)
Goulburn (Pomeroy)	Australia	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	124.5 mm (4.9 in)	45 of 100 (Notable)
Fairfield	United States	Record low minimum temperature	7.8 C (46.0 F)	45 of 100 (Notable)
Sidney 1SSE	United States	Record low maximum temperature	21.1 C (70.0 F)	45 of 100 (Notable)
Eugowra Post Office	Australia	Record daily precipitation	27.0 mm (1.1 in)	43 of 100 (Notable)
Queenstown (Copper Mine)	Australia	Record daily precipitation	41.8 mm (1.6 in)	42 of 100 (Notable)
San Bernardino F S 226	United States	Record low maximum temperature	28.3 C (82.9 F)	42 of 100 (Notable)
Grafton	United States	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Stampede Pass	United States	Record daily precipitation	30.7 mm (1.2 in)	42 of 100 (Notable)
Rockville	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Argyle	United States	Record daily precipitation	55.6 mm (2.2 in)	41 of 100 (Notable)
Weddingstedt	Germany	Record daily precipitation	39.3 mm (1.5 in)	40 of 100 (Notable)
Merrill	United States	Record daily precipitation	71.1 mm (2.8 in)	40 of 100 (Notable)
Faulkton	United States	Record daily precipitation	35.1 mm (1.4 in)	40 of 100 (Notable)
Galva	United States	Record low maximum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Washington	United States	Record low maximum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Jemez Springs	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Manitowoc	United States	Record low minimum temperature	8.3 C (46.9 F)	39 of 100 (Notable)
Gayndah Post Office	Australia	Record high maximum temperature	29.0 C (84.2 F)	38 of 100 (Notable)
Crookwell (Gundowringa)	Australia	Record daily precipitation	37.5 mm (1.5 in)	38 of 100 (Notable)
Madison	United States	Record low maximum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Novorossijsk	Russia	Record daily precipitation	31.4 mm (1.2 in)	37 of 100 (Notable)
Hansboro 4 NNE	United States	Record daily precipitation	45.0 mm (1.8 in)	37 of 100 (Notable)
Langdon Exp Farm	United States	Record daily precipitation	37.1 mm (1.5 in)	37 of 100 (Notable)
Bungendore Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high minimum temperature	19.5 C (67.1 F)	36 of 100 (Notable)
San Lucas Ojitlan	Mexico	Record daily precipitation	159.8 mm (6.3 in)	36 of 100 (Notable)
Puente Jula	Mexico	Record daily precipitation	78.0 mm (3.1 in)	36 of 100 (Notable)
Tuscola	United States	Record daily precipitation	103.4 mm (4.1 in)	36 of 100 (Notable)
Leola	United States	Record low maximum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Golspie (Ayrston)	Australia	Record daily precipitation	30.4 mm (1.2 in)	35 of 100 (Notable)
Mozomboa	Mexico	Record daily precipitation	69.9 mm (2.8 in)	35 of 100 (Notable)
Talbotton	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Tekamah	United States	Record low maximum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Wanakena Rngr School	United States	Record low maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Canowindra (Canowindra Street)	Australia	Record daily precipitation	26.0 mm (1.0 in)	34 of 100 (Routine)
Butlers Gorge	Australia	Record daily precipitation	31.2 mm (1.2 in)	34 of 100 (Routine)
Zavitaja	Russia	Record daily precipitation	45.5 mm (1.8 in)	34 of 100 (Routine)
Champaign 3S	United States	Record low maximum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Rochester Intl AP	United States	Record low maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Big Hill (Glen Dusk)	Australia	Record daily precipitation	40.9 mm (1.6 in)	33 of 100 (Routine)
Forse	Sweden	Record high minimum temperature	15.5 C (59.9 F)	33 of 100 (Routine)
Decatur Wtp	United States	Record daily precipitation	66.8 mm (2.6 in)	33 of 100 (Routine)
Austin Waste Wtp Facility	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Chinook	United States	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Los Alamos	United States	Record daily precipitation	28.2 mm (1.1 in)	33 of 100 (Routine)
Willard 4 SW	United States	Record daily precipitation	37.6 mm (1.5 in)	33 of 100 (Routine)
Waverly	United States	Record low maximum temperature	22.2 C (72.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,100 records

Records set or tied on 6 August 1991 by type: Highest daily maximum 184, Lowest daily maximum 257, Highest daily minimum 286, Lowest daily minimum 104, Heaviest daily rainfall 269.

Records on 6 August 1991 by type
Record type	Records
Highest daily maximum	184
Lowest daily maximum	257
Highest daily minimum	286
Lowest daily minimum	104
Heaviest daily rainfall	269
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 August 1991 by timescale: all-time 3, monthly 34, daily 1,063.

How Much Records Were Beaten By

850 broken records

Margins by which the 850 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 89.4. Ties are not counted.

Top 20 by Significance

6 August 1991

Top 20 records on 6 August 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 August 1991	Prachin Buri, TH	monthly high max	42.0 C (107.6 F)	6.6 C (11.9 F)	3 years	55 of 100 (Notable)
6 August 1991	Granville, US	daily rain	77.5 mm (3.1 in)	59.2 mm (2.3 in)	24 years	55 of 100 (Notable)
6 August 1991	Velva, US	daily rain	59.7 mm (2.4 in)	39.4 mm (1.6 in)	25 years	53 of 100 (Notable)
6 August 1991	Murdo, US	daily rain	48.3 mm (1.9 in)	20.4 mm (0.8 in)	81 years	52 of 100 (Notable)
6 August 1991	Brackettville, US	monthly low min	13.9 C (57.0 F)	1.7 C (3.1 F)	83 years	51 of 100 (Notable)
6 August 1991	Belcourt Keya Radio, US	daily rain	76.2 mm (3.0 in)	40.6 mm (1.6 in)	42 years	50 of 100 (Notable)
6 August 1991	Socorro, US	daily low max	24.4 C (75.9 F)	3.9 C (7.0 F)	91 years	49 of 100 (Notable)
6 August 1991	Crookwell Post Office, AU	daily rain	47.2 mm (1.9 in)	13.4 mm (0.5 in)	72 years	47 of 100 (Notable)
6 August 1991	Chariton 1 E, US	daily low max	18.3 C (64.9 F)	5.0 C (9.0 F)	86 years	47 of 100 (Notable)
6 August 1991	Tres Piedras, US	all-time rain	73.7 mm (2.9 in)	2.8 mm (0.11 in)	55 years	47 of 100 (Notable)
6 August 1991	Redfield, US	daily rain	65.3 mm (2.6 in)	38.9 mm (1.5 in)	26 years	47 of 100 (Notable)
6 August 1991	Kowen Forest, AU	daily rain	33.6 mm (1.3 in)	22.7 mm (0.9 in)	56 years	46 of 100 (Notable)
6 August 1991	Goulburn (Pomeroy), AU	daily rain	31.8 mm (1.3 in)	13.3 mm (0.5 in)	68 years	46 of 100 (Notable)
6 August 1991	Mt Pulaski, US	monthly rain	124.5 mm (4.9 in)	22.4 mm (0.9 in)	35 years	45 of 100 (Notable)
6 August 1991	Fairfield, US	daily low min	7.8 C (46.0 F)	2.8 C (5.0 F)	96 years	45 of 100 (Notable)
6 August 1991	Sidney 1SSE, US	daily low max	21.1 C (70.0 F)	3.3 C (5.9 F)	93 years	45 of 100 (Notable)
6 August 1991	Eugowra Post Office, AU	daily rain	27.0 mm (1.1 in)	9.5 mm (0.37 in)	72 years	43 of 100 (Notable)
6 August 1991	Queenstown (Copper Mine), AU	daily rain	41.8 mm (1.6 in)	10.8 mm (0.4 in)	80 years	42 of 100 (Notable)
6 August 1991	San Bernardino F S 226, US	daily low max	28.3 C (82.9 F)	2.3 C (4.1 F)	91 years	42 of 100 (Notable)
6 August 1991	Grafton, US	daily rain	37.1 mm (1.5 in)	10.4 mm (0.4 in)	81 years	42 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 1,100 records.

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

Records on 08-06 in each year
Year	Records
1794	1
1806	1
1808	1
1809	1
1810	1
1822	1
1830	1
1833	1
1847	1
1849	1
1856	3
1857	2
1858	1
1859	1
1861	1
1866	1
1869	1
1871	2
1876	1
1878	3
1879	1
1881	3
1883	1
1884	1
1885	3
1886	2
1887	1
1888	7
1889	3
1890	2
1891	2
1892	3
1893	1
1894	1
1895	6
1896	6
1897	1
1898	5
1899	2
1900	6
1901	7
1902	4
1903	16
1904	13
1905	13
1906	24
1907	26
1908	17
1909	14
1910	20
1911	22
1912	57
1913	41
1914	6
1915	108
1916	40
1917	35
1918	526
1919	92
1920	39
1921	49
1922	90
1923	113
1924	150
1925	78
1926	85
1927	132
1928	101
1929	189
1930	356
1931	349
1932	226
1933	284
1934	580
1935	330
1936	318
1937	371
1938	308
1939	311
1940	385
1941	356
1942	303
1943	248
1944	312
1945	458
1946	430
1947	625
1948	1,166
1949	464
1950	480
1951	720
1952	513
1953	646
1954	532
1955	531
1956	447
1957	949
1958	521
1959	422
1960	250
1961	551
1962	496
1963	258
1964	481
1965	390
1966	378
1967	757
1968	586
1969	613
1970	504
1971	945
1972	877
1973	876
1974	884
1975	749
1976	923
1977	623
1978	790
1979	544
1980	818
1981	855
1982	643
1983	1,281
1984	815
1985	874
1986	648
1987	948
1988	873
1989	879
1990	1,463
1991	1,100
1992	1,053
1993	1,569
1994	1,918
1995	1,500
1996	1,038
1997	1,216
1998	1,546
1999	938
2000	870
2001	1,100
2002	988
2003	1,221
2004	1,076
2005	756
2006	849
2007	991
2008	820
2009	1,033
2010	1,205
2011	1,357
2012	845
2013	722
2014	673
2015	827
2016	472
2017	827
2018	598
2019	645
2020	510
2021	457
2022	960
2023	1,177
2024	882
2025	721
2026	955

Download the Data

Data for records on 1991-08-06: 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	817
20 to 40	26
40 to 60	5
60 to 80	1
80 to 100	1