Weather Records on 10 October 1991

975 weather records were set or tied worldwide on 10 October 1991. Highest significance: Vestmannaeyjar, IS.

Key Facts for 10 October 1991

On 10 October 1991, 975 weather records were set or tied at long-record stations worldwide.
676 were record highs and 135 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 36 monthly and 937 daily.
Vestmannaeyjar set a daily record precipitation of 62.7 mm (2.5 in) on 10 October 1991.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 443 records.

Record Map

975 stations

975 station records on 10 October 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 October 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vestmannaeyjar	Iceland	Record daily precipitation	62.7 mm (2.5 in)	54 of 100 (Notable)
Byron Bay (Jacaranda Drive)	Australia	Record daily precipitation	77.9 mm (3.1 in)	53 of 100 (Notable)
Lower Bucca	Australia	Record daily precipitation	75.0 mm (3.0 in)	53 of 100 (Notable)
Coramba (Glenfiddich)	Australia	Record daily precipitation	133.0 mm (5.2 in)	52 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	19.4 C (66.9 F)	51 of 100 (Notable)
N Bend SW Oregon Rgnl AP	United States	Record high maximum temperature	35.0 C (95.0 F)	50 of 100 (Notable)
Jerez de la Frontera	Spain	Record daily precipitation	97.4 mm (3.8 in)	49 of 100 (Notable)
Garro	Mexico	Record daily precipitation	124.0 mm (4.9 in)	46 of 100 (Notable)
Waiahole 837	United States	Record daily precipitation	90.2 mm (3.6 in)	45 of 100 (Notable)
Capomal	Mexico	Record daily precipitation	91.9 mm (3.6 in)	44 of 100 (Notable)
Rio Grande (Smn)	Mexico	Record daily precipitation	40.9 mm (1.6 in)	43 of 100 (Notable)
Upper Orara (Aurania)	Australia	Record daily precipitation	118.0 mm (4.6 in)	42 of 100 (Notable)
Rota NAS	Spain	Record daily precipitation	98.3 mm (3.9 in)	41 of 100 (Notable)
San Jose	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Azueta	Mexico	Record daily precipitation	84.8 mm (3.3 in)	40 of 100 (Notable)
De Sabla	United States	Record high minimum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Biskra	Algeria	Record high minimum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Augusta	United States	Record high minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Healdsburg	United States	Record high maximum temperature	38.9 C (102.0 F)	38 of 100 (Notable)
Pamplona (Observatorio)	Spain	Record daily precipitation	45.1 mm (1.8 in)	37 of 100 (Notable)
Klamath	United States	Record high maximum temperature	36.7 C (98.1 F)	37 of 100 (Notable)
Napa State Hospital	United States	Record high maximum temperature	37.2 C (99.0 F)	37 of 100 (Notable)
Ferron	United States	Record high minimum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Boca del Salado	Mexico	Record low minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Cadiz	Spain	Record daily precipitation	54.8 mm (2.2 in)	36 of 100 (Notable)
Ulricehamn	Sweden	Record high maximum temperature	17.0 C (62.6 F)	36 of 100 (Notable)
Parker	United States	Record high maximum temperature	42.2 C (108.0 F)	36 of 100 (Notable)
Marysville	United States	Record high maximum temperature	37.2 C (99.0 F)	36 of 100 (Notable)
Merced	United States	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Tweed Heads Golf Club	Australia	Record daily precipitation	97.4 mm (3.8 in)	35 of 100 (Notable)
Sacaton	United States	Record high maximum temperature	41.1 C (106.0 F)	35 of 100 (Notable)
Lemon Cove	United States	Record high maximum temperature	37.8 C (100.0 F)	35 of 100 (Notable)
Hialeah	United States	Record daily precipitation	109.2 mm (4.3 in)	35 of 100 (Notable)
Ashland	United States	Record high maximum temperature	32.2 C (90.0 F)	35 of 100 (Notable)
Sacramento 5 ESE	United States	Record high maximum temperature	37.8 C (100.0 F)	35 of 100 (Notable)
Vilnius	Lithuania	Record high maximum temperature	18.5 C (65.3 F)	34 of 100 (Routine)
Libby 32 SSE	United States	Record high maximum temperature	26.1 C (79.0 F)	34 of 100 (Routine)
Weston	United States	Record low minimum temperature	-3.9 C (25.0 F)	34 of 100 (Routine)
San Francisco Dwtn	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Katanning Comparison	Australia	Record high maximum temperature	29.8 C (85.6 F)	33 of 100 (Routine)
Mullumbimby (Fairview Farm)	Australia	Record daily precipitation	79.0 mm (3.1 in)	33 of 100 (Routine)
Glenreagh Post Office	Australia	Record daily precipitation	48.0 mm (1.9 in)	33 of 100 (Routine)
Las Pocitas	Mexico	Record low maximum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Elsinore	United States	Record high maximum temperature	39.4 C (102.9 F)	33 of 100 (Routine)
Tartu-Toravere	Estonia	Record high maximum temperature	18.4 C (65.1 F)	32 of 100 (Routine)
Voru	Estonia	Record high maximum temperature	19.6 C (67.3 F)	32 of 100 (Routine)
Santo Tomas (Cfe)	Mexico	Record daily precipitation	56.1 mm (2.2 in)	32 of 100 (Routine)
Marshall	United States	Record low minimum temperature	-1.7 C (28.9 F)	32 of 100 (Routine)
Coraki Post Office	Australia	Record daily precipitation	30.6 mm (1.2 in)	31 of 100 (Routine)
Florence	United States	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Chico UNIV Farm	United States	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Lodi	United States	Record high maximum temperature	37.2 C (99.0 F)	31 of 100 (Routine)
Quincy	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Saint Helena	United States	Record high maximum temperature	39.4 C (102.9 F)	31 of 100 (Routine)
Tejon Rancho	United States	Record high maximum temperature	38.3 C (100.9 F)	31 of 100 (Routine)
Willows 6 W	United States	Record high maximum temperature	38.9 C (102.0 F)	31 of 100 (Routine)
Babb 6 NE	United States	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Forest Grove	United States	Record high maximum temperature	32.2 C (90.0 F)	31 of 100 (Routine)
Moffett Fed Airfield	United States	Record high maximum temperature	35.0 C (95.0 F)	31 of 100 (Routine)
Kyogle Post Office	Australia	Record daily precipitation	49.6 mm (2.0 in)	30 of 100 (Routine)

Counts by Type and Timescale

975 records

Records set or tied on 10 October 1991 by type: Highest daily maximum 452, Lowest daily maximum 94, Highest daily minimum 224, Lowest daily minimum 41, Heaviest daily rainfall 163, Deepest snow cover 1.

Records on 10 October 1991 by type
Record type	Records
Highest daily maximum	452
Lowest daily maximum	94
Highest daily minimum	224
Lowest daily minimum	41
Heaviest daily rainfall	163
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 10 October 1991 by timescale: all-time 2, monthly 36, daily 937.

How Much Records Were Beaten By

743 broken records

Margins by which the 743 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 99.2. Ties are not counted.

Top 20 by Significance

10 October 1991

Top 20 records on 10 October 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 October 1991	Vestmannaeyjar, IS	daily rain	62.7 mm (2.5 in)	49.8 mm (2.0 in)	33 years	54 of 100 (Notable)
10 October 1991	Byron Bay (Jacaranda Drive), AU	daily rain	77.9 mm (3.1 in)	43.6 mm (1.7 in)	80 years	53 of 100 (Notable)
10 October 1991	Lower Bucca, AU	daily rain	75.0 mm (3.0 in)	37.4 mm (1.5 in)	76 years	53 of 100 (Notable)
10 October 1991	Coramba (Glenfiddich), AU	daily rain	133.0 mm (5.2 in)	99.2 mm (3.9 in)	8 years	52 of 100 (Notable)
10 October 1991	Nevada City, US	monthly high min	19.4 C (66.9 F)	1.6 C (2.9 F)	94 years	51 of 100 (Notable)
10 October 1991	N Bend SW Oregon Rgnl AP, US	monthly high max	35.0 C (95.0 F)	2.2 C (4.0 F)	84 years	50 of 100 (Notable)
10 October 1991	Jerez de la Frontera, ES	monthly rain	97.4 mm (3.8 in)	33.4 mm (1.3 in)	28 years	49 of 100 (Notable)
10 October 1991	Garro, MX	daily rain	124.0 mm (4.9 in)	82.1 mm (3.2 in)	16 years	46 of 100 (Notable)
10 October 1991	Waiahole 837, US	daily rain	90.2 mm (3.6 in)	52.6 mm (2.1 in)	40 years	45 of 100 (Notable)
10 October 1991	Capomal, MX	daily rain	91.9 mm (3.6 in)	66.8 mm (2.6 in)	24 years	44 of 100 (Notable)
10 October 1991	Rio Grande (Smn), MX	daily rain	40.9 mm (1.6 in)	24.1 mm (0.9 in)	42 years	43 of 100 (Notable)
10 October 1991	Upper Orara (Aurania), AU	daily rain	118.0 mm (4.6 in)	62.6 mm (2.5 in)	8 years	42 of 100 (Notable)
10 October 1991	Rota NAS, ES	all-time rain	98.3 mm (3.9 in)	14.0 mm (0.6 in)	28 years	41 of 100 (Notable)
10 October 1991	San Jose, US	daily high max	35.6 C (96.1 F)	3.4 C (6.1 F)	81 years	41 of 100 (Notable)
10 October 1991	Azueta, MX	daily rain	84.8 mm (3.3 in)	56.4 mm (2.2 in)	16 years	40 of 100 (Notable)
10 October 1991	De Sabla, US	daily high min	16.1 C (61.0 F)	2.8 C (5.0 F)	84 years	40 of 100 (Notable)
10 October 1991	Biskra, DZ	daily high min	26.7 C (80.1 F)	1.7 C (3.1 F)	80 years	39 of 100 (Notable)
10 October 1991	Augusta, US	monthly high min	16.1 C (61.0 F)	1.7 C (3.1 F)	57 years	39 of 100 (Notable)
10 October 1991	Healdsburg, US	daily high max	38.9 C (102.0 F)	1.7 C (3.1 F)	89 years	38 of 100 (Notable)
10 October 1991	Pamplona (Observatorio), ES	daily rain	45.1 mm (1.8 in)	35.2 mm (1.4 in)	18 years	37 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 975 records.

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

Records on 10-10 in each year
Year	Records
1793	1
1799	1
1802	2
1803	1
1809	1
1834	1
1839	1
1842	1
1850	2
1854	1
1856	1
1859	1
1860	3
1861	1
1864	1
1865	1
1866	1
1867	3
1875	2
1876	2
1878	2
1879	3
1881	1
1884	1
1885	1
1886	2
1887	6
1888	2
1889	1
1890	1
1891	3
1892	2
1893	2
1894	2
1895	3
1896	3
1897	6
1899	4
1900	6
1901	6
1902	6
1903	8
1904	14
1905	8
1906	46
1907	9
1908	14
1909	29
1910	27
1911	16
1912	25
1913	54
1914	36
1915	17
1916	34
1917	49
1918	8
1919	106
1920	41
1921	125
1922	48
1923	119
1924	90
1925	374
1926	146
1927	62
1928	434
1929	254
1930	362
1931	431
1932	292
1933	169
1934	510
1935	434
1936	354
1937	420
1938	427
1939	505
1940	176
1941	295
1942	265
1943	510
1944	159
1945	304
1946	479
1947	451
1948	327
1949	1,525
1950	569
1951	439
1952	473
1953	371
1954	471
1955	543
1956	616
1957	295
1958	847
1959	847
1960	372
1961	680
1962	495
1963	613
1964	749
1965	295
1966	378
1967	527
1968	269
1969	498
1970	1,047
1971	561
1972	732
1973	1,312
1974	379
1975	403
1976	1,008
1977	526
1978	401
1979	1,677
1980	505
1981	829
1982	1,274
1983	431
1984	566
1985	1,491
1986	828
1987	1,059
1988	613
1989	603
1990	1,498
1991	975
1992	627
1993	798
1994	626
1995	977
1996	993
1997	1,523
1998	630
1999	1,056
2000	2,722
2001	970
2002	793
2003	1,518
2004	544
2005	912
2006	785
2007	768
2008	896
2009	2,211
2010	1,017
2011	994
2012	462
2013	718
2014	649
2015	972
2016	371
2017	1,313
2018	1,780
2019	1,485
2020	756
2021	762
2022	326
2023	651
2024	916
2025	734
2026	583

Download the Data

Data for records on 1991-10-10: 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	714
20 to 40	14
40 to 60	11
60 to 80	2
80 to 100	2