Weather Records on 1 August 1991

740 weather records were set or tied worldwide on 1 August 1991. Highest significance: Hollenstein (Kraftwerk), DE.

Key Facts for 1 August 1991

On 1 August 1991, 740 weather records were set or tied at long-record stations worldwide.
315 were record highs and 187 were record lows, counting maximum and minimum temperature.
By timescale, 10 were all-time records, 40 monthly and 690 daily.
Hollenstein (Kraftwerk) set an all-time record daily precipitation of 109.2 mm (4.3 in) on 1 August 1991.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 439 records.

Record Map

740 stations

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

Weather records on 1 August 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hollenstein (Kraftwerk)	Germany	Record daily precipitation	109.2 mm (4.3 in)	73 of 100 (Major)
Munchen-Nymphenburg	Germany	Record daily precipitation	52.7 mm (2.1 in)	59 of 100 (Notable)
Nebitdag	Turkmenistan	Record daily precipitation	102.1 mm (4.0 in)	59 of 100 (Notable)
Atil	Mexico	Record low minimum temperature	11.7 C (53.1 F)	56 of 100 (Notable)
Ponte de Itabapoana	Brazil	Record daily precipitation	32.0 mm (1.3 in)	54 of 100 (Notable)
Munchen-Riem	Germany	Record daily precipitation	63.1 mm (2.5 in)	54 of 100 (Notable)
Poltava	Ukraine	Record daily precipitation	27.1 mm (1.1 in)	54 of 100 (Notable)
Fichtelberg	Germany	Record daily precipitation	79.1 mm (3.1 in)	53 of 100 (Notable)
Potsdam	Germany	Record daily precipitation	68.0 mm (2.7 in)	52 of 100 (Notable)
Salzburg	Austria	Record daily precipitation	81.5 mm (3.2 in)	50 of 100 (Notable)
Zwieselberg	Germany	Record daily precipitation	73.0 mm (2.9 in)	50 of 100 (Notable)
Ailey	United States	Record daily precipitation	103.6 mm (4.1 in)	50 of 100 (Notable)
Armavir	Russia	Record daily precipitation	61.2 mm (2.4 in)	48 of 100 (Notable)
Ft Bragg 5 N	United States	Record high maximum temperature	25.0 C (77.0 F)	47 of 100 (Notable)
Belorecensk	Russia	Record daily precipitation	57.9 mm (2.3 in)	46 of 100 (Notable)
Maracay - B.A. Sucr	Venezuela	Record daily precipitation	86.8 mm (3.4 in)	46 of 100 (Notable)
Kosching	Germany	Record daily precipitation	38.0 mm (1.5 in)	45 of 100 (Notable)
Superior	United States	Record daily precipitation	38.4 mm (1.5 in)	43 of 100 (Notable)
Kirup	Australia	Record daily precipitation	39.2 mm (1.5 in)	42 of 100 (Notable)
Sotchi	Russia	Record daily precipitation	117.6 mm (4.6 in)	42 of 100 (Notable)
Lanihau 68.2	United States	Record daily precipitation	126.5 mm (5.0 in)	42 of 100 (Notable)
Trostberg	Germany	Record daily precipitation	57.4 mm (2.3 in)	41 of 100 (Notable)
Tihoreck	Russia	Record daily precipitation	36.7 mm (1.4 in)	41 of 100 (Notable)
Timasevskaja	Russia	Record daily precipitation	78.6 mm (3.1 in)	41 of 100 (Notable)
Majkop	Russia	Record daily precipitation	98.0 mm (3.9 in)	41 of 100 (Notable)
Cuyamaca	United States	Record daily precipitation	55.9 mm (2.2 in)	41 of 100 (Notable)
Cross City 1 E	United States	Record daily precipitation	100.3 mm (3.9 in)	41 of 100 (Notable)
Waynesboro 2 S	United States	Record daily precipitation	55.1 mm (2.2 in)	41 of 100 (Notable)
Roth Bei Nurnberg	Germany	Record daily precipitation	31.7 mm (1.2 in)	40 of 100 (Notable)
Cluj Napoca	Romania	Record daily precipitation	55.0 mm (2.2 in)	40 of 100 (Notable)
Propria	Brazil	Record daily precipitation	55.6 mm (2.2 in)	39 of 100 (Notable)
Quitupan	Mexico	Record high maximum temperature	35.0 C (95.0 F)	39 of 100 (Notable)
Kuscevskaja	Russia	Record daily precipitation	29.3 mm (1.2 in)	39 of 100 (Notable)
Shalaurova Mys	Russia	Record high maximum temperature	22.6 C (72.7 F)	38 of 100 (Notable)
Shelbyville 1 E	United States	Record low minimum temperature	9.4 C (48.9 F)	38 of 100 (Notable)
Montevideo 1SW	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Pearsall	United States	Record high maximum temperature	41.7 C (107.1 F)	38 of 100 (Notable)
Ft Duchesne	United States	Record high minimum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Yakutat AP	United States	Record daily precipitation	68.1 mm (2.7 in)	38 of 100 (Notable)
Mallersdorf/Niederbayern	Germany	Record daily precipitation	34.6 mm (1.4 in)	37 of 100 (Notable)
Hayfield Pumping Plt	United States	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
Balingup	Australia	Record daily precipitation	43.6 mm (1.7 in)	36 of 100 (Notable)
Guamuchil	Mexico	Record high maximum temperature	45.6 C (114.1 F)	35 of 100 (Notable)
Vorogovo	Russia	Record daily precipitation	25.2 mm (1.0 in)	35 of 100 (Notable)
Mar del Plata Aero	Argentina	Record low maximum temperature	3.7 C (38.7 F)	34 of 100 (Routine)
Newbicup	Australia	Record daily precipitation	29.6 mm (1.2 in)	34 of 100 (Routine)
Madera	Mexico	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Paraiso	Mexico	Record high maximum temperature	40.0 C (104.0 F)	34 of 100 (Routine)
Debaltseve	Ukraine	Record daily precipitation	31.6 mm (1.2 in)	34 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	23.1 C (73.6 F)	33 of 100 (Routine)
Myronivka	Ukraine	Record daily precipitation	36.1 mm (1.4 in)	33 of 100 (Routine)
Springfield	United States	Record daily precipitation	84.1 mm (3.3 in)	33 of 100 (Routine)
Wendelstein	Germany	Record daily precipitation	62.3 mm (2.5 in)	32 of 100 (Routine)
Kr.Rottal-Inn Falkenberg	Germany	Record daily precipitation	62.2 mm (2.4 in)	32 of 100 (Routine)
Villaflores (Smn)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	32 of 100 (Routine)
Nizhneudinsk	Russia	Record high minimum temperature	18.2 C (64.8 F)	32 of 100 (Routine)
Idaho Falls 16 SE	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Gila Hot Springs	United States	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Mexia	United States	Record low minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
La Estanzuela (Eele)	Uruguay	Record low maximum temperature	5.8 C (42.4 F)	32 of 100 (Routine)

Counts by Type and Timescale

740 records

Records set or tied on 1 August 1991 by type: Highest daily maximum 137, Lowest daily maximum 78, Highest daily minimum 178, Lowest daily minimum 109, Heaviest daily rainfall 238.

Records on 1 August 1991 by type
Record type	Records
Highest daily maximum	137
Lowest daily maximum	78
Highest daily minimum	178
Lowest daily minimum	109
Heaviest daily rainfall	238
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 August 1991 by timescale: all-time 10, monthly 40, daily 690.

How Much Records Were Beaten By

554 broken records

Margins by which the 554 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 67.3. Ties are not counted.

Top 20 by Significance

1 August 1991

Top 20 records on 1 August 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 August 1991	Hollenstein (Kraftwerk), DE	all-time rain	109.2 mm (4.3 in)	21.8 mm (0.9 in)	59 years	73 of 100 (Major)
1 August 1991	Munchen-Nymphenburg, DE	daily rain	52.7 mm (2.1 in)	32.0 mm (1.3 in)	46 years	59 of 100 (Notable)
1 August 1991	Nebitdag, TM	all-time rain	102.1 mm (4.0 in)	35.5 mm (1.4 in)	2 years	59 of 100 (Notable)
1 August 1991	Atil, MX	daily low min	11.7 C (53.1 F)	7.2 C (13.0 F)	53 years	56 of 100 (Notable)
1 August 1991	Ponte de Itabapoana, BR	daily rain	32.0 mm (1.3 in)	27.2 mm (1.1 in)	37 years	54 of 100 (Notable)
1 August 1991	Munchen-Riem, DE	daily rain	63.1 mm (2.5 in)	34.0 mm (1.3 in)	40 years	54 of 100 (Notable)
1 August 1991	Poltava, UA	daily rain	27.1 mm (1.1 in)	20.9 mm (0.8 in)	76 years	54 of 100 (Notable)
1 August 1991	Fichtelberg, DE	monthly rain	79.1 mm (3.1 in)	5.4 mm (0.21 in)	92 years	53 of 100 (Notable)
1 August 1991	Potsdam, DE	daily rain	68.0 mm (2.7 in)	16.9 mm (0.7 in)	70 years	52 of 100 (Notable)
1 August 1991	Salzburg, AT	daily rain	81.5 mm (3.2 in)	28.0 mm (1.1 in)	58 years	50 of 100 (Notable)
1 August 1991	Zwieselberg, DE	monthly rain	73.0 mm (2.9 in)	27.3 mm (1.1 in)	5 years	50 of 100 (Notable)
1 August 1991	Ailey, US	daily rain	103.6 mm (4.1 in)	67.3 mm (2.6 in)	20 years	50 of 100 (Notable)
1 August 1991	Armavir, RU	daily rain	61.2 mm (2.4 in)	35.4 mm (1.4 in)	12 years	48 of 100 (Notable)
1 August 1991	Ft Bragg 5 N, US	daily high max	25.0 C (77.0 F)	2.2 C (4.0 F)	95 years	47 of 100 (Notable)
1 August 1991	Belorecensk, RU	daily rain	57.9 mm (2.3 in)	47.8 mm (1.9 in)	12 years	46 of 100 (Notable)
1 August 1991	Maracay - B.A. Sucr, VE	daily rain	86.8 mm (3.4 in)	59.1 mm (2.3 in)	12 years	46 of 100 (Notable)
1 August 1991	Kosching, DE	daily rain	38.0 mm (1.5 in)	23.9 mm (0.9 in)	20 years	45 of 100 (Notable)
1 August 1991	Superior, US	daily rain	38.4 mm (1.5 in)	16.3 mm (0.6 in)	30 years	43 of 100 (Notable)
1 August 1991	Kirup, AU	daily rain	39.2 mm (1.5 in)	13.0 mm (0.5 in)	76 years	42 of 100 (Notable)
1 August 1991	Sotchi, RU	daily rain	117.6 mm (4.6 in)	40.8 mm (1.6 in)	44 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

1797 to 1991

Records set or tied on this calendar date in each year from 1797 to 1991. 1991 had 740 records.

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

Records on 08-01 in each year
Year	Records
1797	1
1816	2
1829	1
1833	1
1834	2
1836	1
1838	1
1842	1
1851	1
1856	1
1858	3
1859	1
1861	1
1862	1
1863	1
1865	1
1868	1
1869	2
1873	1
1874	1
1875	3
1876	1
1878	1
1879	1
1881	3
1883	1
1886	2
1887	1
1890	1
1891	7
1892	4
1893	3
1894	1
1895	3
1896	4
1897	2
1898	3
1899	1
1900	1
1901	3
1902	5
1903	19
1904	10
1905	12
1906	18
1907	13
1908	18
1909	15
1910	30
1911	46
1912	49
1913	25
1914	17
1915	49
1916	16
1917	108
1918	55
1919	32
1920	101
1921	87
1922	44
1923	203
1924	93
1925	281
1926	252
1927	266
1928	132
1929	161
1930	252
1931	362
1932	408
1933	487
1934	448
1935	547
1936	636
1937	492
1938	523
1939	335
1940	333
1941	341
1942	388
1943	398
1944	410
1945	975
1946	336
1947	401
1948	354
1949	324
1950	552
1951	420
1952	391
1953	565
1954	462
1955	796
1956	441
1957	270
1958	389
1959	352
1960	677
1961	404
1962	602
1963	270
1964	883
1965	669
1966	383
1967	250
1968	625
1969	453
1970	482
1971	1,135
1972	609
1973	766
1974	526
1975	915
1976	886
1977	636
1978	706
1979	580
1980	906
1981	668
1982	742
1983	931
1984	532
1985	987
1986	846
1987	999
1988	880
1989	1,301
1990	927
1991	740
1992	1,024
1993	907
1994	1,217
1995	1,513
1996	1,118
1997	904
1998	1,281
1999	1,707
2000	1,020
2001	1,079
2002	1,249
2003	1,155
2004	740
2005	878
2006	1,655
2007	746
2008	795
2009	932
2010	1,182
2011	1,191
2012	850
2013	542
2014	853
2015	864
2016	499
2017	758
2018	987
2019	479
2020	838
2021	1,009
2022	915
2023	627
2024	879
2025	785
2026	1,085

Download the Data

Data for records on 1991-08-01: 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 10	471
10 to 20	49
20 to 30	18
30 to 40	11
40 to 50	2
50 to 60	1
60 to 70	2