Weather Records on 7 August 1991

1,217 weather records were set or tied worldwide on 7 August 1991. Highest significance: East London -Signal STN, ZA.

Key Facts for 7 August 1991

On 7 August 1991, 1,217 weather records were set or tied at long-record stations worldwide.
633 were record highs and 299 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 35 monthly and 1,179 daily.
East London -Signal STN set a daily record precipitation of 66.0 mm (2.6 in) on 7 August 1991.
Across 163 earlier years (1808 to 2026) the same calendar date averaged 466 records.

Record Map

1,217 stations

1,217 station records on 7 August 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 August 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
East London -Signal STN	South Africa	Record daily precipitation	66.0 mm (2.6 in)	64 of 100 (Major)
Cedar Rapids #1	United States	Record daily precipitation	95.8 mm (3.8 in)	57 of 100 (Notable)
Sendai	Japan	Record daily precipitation	126.0 mm (5.0 in)	54 of 100 (Notable)
Powhatan	United States	Record daily precipitation	91.4 mm (3.6 in)	54 of 100 (Notable)
Anqing	China	Record daily precipitation	170.1 mm (6.7 in)	52 of 100 (Notable)
Waterloo Muni AP	United States	Record daily precipitation	91.9 mm (3.6 in)	50 of 100 (Notable)
Winterswijk	Netherlands	Record daily precipitation	40.7 mm (1.6 in)	49 of 100 (Notable)
Lulea Flygplats	Sweden	Record daily precipitation	49.9 mm (2.0 in)	49 of 100 (Notable)
Mill Creek Dam	United States	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Saittarova_D	Sweden	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Collbran	United States	Record low maximum temperature	18.3 C (64.9 F)	47 of 100 (Notable)
Vierema Kaarakkala	Finland	Record daily precipitation	49.1 mm (1.9 in)	46 of 100 (Notable)
Wessington Springs	United States	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
Saentis	Switzerland	Record high maximum temperature	18.2 C (64.8 F)	45 of 100 (Notable)
Freiburg	Germany	Record high maximum temperature	35.4 C (95.7 F)	44 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high maximum temperature	34.6 C (94.3 F)	44 of 100 (Notable)
Rahden-Varl	Germany	Record daily precipitation	34.2 mm (1.3 in)	44 of 100 (Notable)
Doniphan	United States	Record daily precipitation	96.0 mm (3.8 in)	44 of 100 (Notable)
Heron 2 NW	United States	Record high minimum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Batesburg	United States	Record daily precipitation	71.1 mm (2.8 in)	43 of 100 (Notable)
Hefei	China	Record daily precipitation	90.1 mm (3.5 in)	42 of 100 (Notable)
Coyuquilla	Mexico	Record daily precipitation	87.9 mm (3.5 in)	42 of 100 (Notable)
Nizhnyj Tagil	Russia	Record daily precipitation	33.8 mm (1.3 in)	42 of 100 (Notable)
Ft Bragg 5 N	United States	Record high maximum temperature	28.3 C (82.9 F)	42 of 100 (Notable)
Rangely 1E	United States	Record low maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Saint Maries	United States	Record high minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Chisos Basin	United States	Record daily precipitation	58.4 mm (2.3 in)	42 of 100 (Notable)
Panther Junction	United States	Record daily precipitation	45.5 mm (1.8 in)	42 of 100 (Notable)
Kohala Mis 175.1	United States	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Bamberg	Germany	Record high maximum temperature	34.1 C (93.4 F)	41 of 100 (Notable)
Palisade	United States	Record low maximum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Oxford Hydro STN	United States	Record daily precipitation	67.8 mm (2.7 in)	41 of 100 (Notable)
Washington Wwtp 4W	United States	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Mexican Hat	United States	Record low maximum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Jena Sternwarte	Germany	Record high minimum temperature	17.7 C (63.9 F)	40 of 100 (Notable)
Geisenheim	Germany	Record high maximum temperature	33.7 C (92.7 F)	40 of 100 (Notable)
Osnabruck	Germany	Record daily precipitation	36.0 mm (1.4 in)	40 of 100 (Notable)
Cedaredge	United States	Record low minimum temperature	7.8 C (46.0 F)	40 of 100 (Notable)
Effingham 3SW	United States	Record daily precipitation	67.6 mm (2.7 in)	40 of 100 (Notable)
Nurnberg	Germany	Record high maximum temperature	34.1 C (93.4 F)	39 of 100 (Notable)
El Copital	Mexico	Record daily precipitation	99.8 mm (3.9 in)	39 of 100 (Notable)
Vittangi	Sweden	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Nanjing	China	Record daily precipitation	140.5 mm (5.5 in)	38 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record high minimum temperature	19.8 C (67.6 F)	38 of 100 (Notable)
Aalten	Netherlands	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Uravan	United States	Record low maximum temperature	22.8 C (73.0 F)	38 of 100 (Notable)
Fichtelberg	Germany	Record high minimum temperature	15.5 C (59.9 F)	37 of 100 (Notable)
Antioch	United States	Record daily precipitation	43.4 mm (1.7 in)	37 of 100 (Notable)
Cambridge City 3 N	United States	Record low maximum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Rock Rapids	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Agate 3 E	United States	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
Wise 1SE	United States	Record daily precipitation	53.1 mm (2.1 in)	37 of 100 (Notable)
Casa Grande Nm	United States	Record low minimum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Cortez	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Fruita	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Seymour 1 WSW	United States	Record low maximum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
New Ulm 2 SE	United States	Record daily precipitation	72.1 mm (2.8 in)	36 of 100 (Notable)
Winona	United States	Record low maximum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Leola	United States	Record low maximum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Sigourney	United States	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,217 records

Records set or tied on 7 August 1991 by type: Highest daily maximum 296, Lowest daily maximum 199, Highest daily minimum 337, Lowest daily minimum 100, Heaviest daily rainfall 285.

Records on 7 August 1991 by type
Record type	Records
Highest daily maximum	296
Lowest daily maximum	199
Highest daily minimum	337
Lowest daily minimum	100
Heaviest daily rainfall	285
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 August 1991 by timescale: all-time 3, monthly 35, daily 1,179.

How Much Records Were Beaten By

978 broken records

Margins by which the 978 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 145.0. Ties are not counted.

Top 20 by Significance

7 August 1991

Top 20 records on 7 August 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 August 1991	East London -Signal STN, ZA	daily rain	66.0 mm (2.6 in)	44.2 mm (1.7 in)	73 years	64 of 100 (Major)
7 August 1991	Cedar Rapids #1, US	daily rain	95.8 mm (3.8 in)	34.1 mm (1.3 in)	84 years	57 of 100 (Notable)
7 August 1991	Sendai, JP	daily rain	126.0 mm (5.0 in)	103.4 mm (4.1 in)	36 years	54 of 100 (Notable)
7 August 1991	Powhatan, US	daily rain	91.4 mm (3.6 in)	68.5 mm (2.7 in)	32 years	54 of 100 (Notable)
7 August 1991	Anqing, CN	daily rain	170.1 mm (6.7 in)	145.0 mm (5.7 in)	28 years	52 of 100 (Notable)
7 August 1991	Waterloo Muni AP, US	daily rain	91.9 mm (3.6 in)	61.9 mm (2.4 in)	22 years	50 of 100 (Notable)
7 August 1991	Winterswijk, NL	daily rain	40.7 mm (1.6 in)	11.1 mm (0.4 in)	66 years	49 of 100 (Notable)
7 August 1991	Lulea Flygplats, SE	daily rain	49.9 mm (2.0 in)	46.9 mm (1.8 in)	17 years	49 of 100 (Notable)
7 August 1991	Mill Creek Dam, US	daily rain	29.2 mm (1.1 in)	24.6 mm (1.0 in)	14 years	48 of 100 (Notable)
7 August 1991	Saittarova_D, SE	daily rain	34.0 mm (1.3 in)	22.8 mm (0.9 in)	25 years	47 of 100 (Notable)
7 August 1991	Collbran, US	daily low max	18.3 C (64.9 F)	5.0 C (9.0 F)	76 years	47 of 100 (Notable)
7 August 1991	Vierema Kaarakkala, FI	daily rain	49.1 mm (1.9 in)	28.4 mm (1.1 in)	16 years	46 of 100 (Notable)
7 August 1991	Wessington Springs, US	daily rain	36.8 mm (1.4 in)	12.7 mm (0.5 in)	90 years	46 of 100 (Notable)
7 August 1991	Saentis, CH	daily high max	18.2 C (64.8 F)	2.3 C (4.1 F)	103 years	45 of 100 (Notable)
7 August 1991	Freiburg, DE	daily high max	35.4 C (95.7 F)	3.1 C (5.6 F)	92 years	44 of 100 (Notable)
7 August 1991	Leipzig-Holzhausen, DE	daily high max	34.6 C (94.3 F)	3.0 C (5.4 F)	92 years	44 of 100 (Notable)
7 August 1991	Rahden-Varl, DE	daily rain	34.2 mm (1.3 in)	18.5 mm (0.7 in)	36 years	44 of 100 (Notable)
7 August 1991	Doniphan, US	daily rain	96.0 mm (3.8 in)	60.4 mm (2.4 in)	18 years	44 of 100 (Notable)
7 August 1991	Heron 2 NW, US	daily high min	18.3 C (64.9 F)	5.0 C (9.0 F)	76 years	43 of 100 (Notable)
7 August 1991	Batesburg, US	daily rain	71.1 mm (2.8 in)	12.7 mm (0.5 in)	93 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

1808 to 1991

Records set or tied on this calendar date in each year from 1808 to 1991. 1991 had 1,217 records.

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

Records on 08-07 in each year
Year	Records
1808	1
1812	1
1815	1
1816	1
1817	1
1833	2
1844	1
1845	1
1848	1
1857	3
1858	1
1859	2
1861	1
1866	1
1868	1
1869	3
1870	2
1875	1
1876	5
1879	1
1880	2
1882	1
1883	1
1884	2
1886	1
1887	2
1888	5
1889	2
1891	3
1892	3
1893	1
1894	1
1895	7
1896	2
1897	2
1898	4
1899	1
1900	6
1901	3
1902	5
1903	17
1904	8
1905	8
1906	9
1907	10
1908	13
1909	11
1910	1
1911	36
1912	31
1913	39
1914	24
1915	40
1916	50
1917	21
1918	108
1919	36
1920	36
1921	55
1922	61
1923	101
1924	128
1925	81
1926	115
1927	109
1928	188
1929	181
1930	486
1931	357
1932	249
1933	310
1934	608
1935	507
1936	286
1937	446
1938	568
1939	561
1940	271
1941	305
1942	340
1943	601
1944	332
1945	882
1946	500
1947	461
1948	756
1949	587
1950	541
1951	562
1952	556
1953	378
1954	589
1955	536
1956	321
1957	868
1958	571
1959	356
1960	344
1961	356
1962	718
1963	522
1964	446
1965	552
1966	400
1967	701
1968	600
1969	523
1970	652
1971	969
1972	1,172
1973	568
1974	746
1975	1,177
1976	1,168
1977	617
1978	1,210
1979	559
1980	871
1981	855
1982	727
1983	1,207
1984	840
1985	1,088
1986	544
1987	1,146
1988	897
1989	1,472
1990	1,625
1991	1,217
1992	1,236
1993	1,040
1994	1,262
1995	1,521
1996	1,107
1997	1,460
1998	1,183
1999	950
2000	871
2001	1,386
2002	907
2003	1,244
2004	1,400
2005	882
2006	923
2007	1,309
2008	918
2009	1,121
2010	1,098
2011	1,282
2012	688
2013	665
2014	501
2015	1,027
2016	505
2017	954
2018	636
2019	609
2020	605
2021	397
2022	880
2023	1,221
2024	835
2025	733
2026	1,047

Download the Data

Data for records on 1991-08-07: 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	918
20 to 40	41
40 to 60	10
60 to 80	5
80 to 100	2
100 to 120	1
120 to 140	0
140 to 160	1