Weather Records on 12 October 1991

948 weather records were set or tied worldwide on 12 October 1991. Highest significance: Kakamas Skl, ZA.

Key Facts for 12 October 1991

On 12 October 1991, 948 weather records were set or tied at long-record stations worldwide.
699 were record highs and 104 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 26 monthly and 921 daily.
Kakamas Skl set a daily record precipitation of 40.0 mm (1.6 in) on 12 October 1991.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 449 records.

Record Map

948 stations

948 station records on 12 October 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 October 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kakamas Skl	South Africa	Record daily precipitation	40.0 mm (1.6 in)	60 of 100 (Major)
Mantova	Italy	Record daily precipitation	54.0 mm (2.1 in)	53 of 100 (Notable)
Biskra	Algeria	Record daily precipitation	30.0 mm (1.2 in)	50 of 100 (Notable)
Sendai	Japan	Record daily precipitation	104.9 mm (4.1 in)	50 of 100 (Notable)
Smythe	South Africa	Record daily precipitation	33.0 mm (1.3 in)	48 of 100 (Notable)
Austin #2	United States	Record high minimum temperature	12.2 C (54.0 F)	46 of 100 (Notable)
Kosice	Slovakia	Record daily precipitation	34.1 mm (1.3 in)	45 of 100 (Notable)
Cacaloapan	Mexico	Record daily precipitation	35.1 mm (1.4 in)	45 of 100 (Notable)
Verona Villafranca	Italy	Record daily precipitation	65.2 mm (2.6 in)	44 of 100 (Notable)
Onahama	Japan	Record daily precipitation	97.0 mm (3.8 in)	42 of 100 (Notable)
Saaifontein	South Africa	Record daily precipitation	43.0 mm (1.7 in)	41 of 100 (Notable)
Paradise Valley 1 NW	United States	Record high maximum temperature	30.6 C (87.1 F)	39 of 100 (Notable)
Sunnyside - Lund 31S	United States	Record high maximum temperature	28.3 C (82.9 F)	39 of 100 (Notable)
Rooiwal	South Africa	Record daily precipitation	25.0 mm (1.0 in)	38 of 100 (Notable)
Corvallis State UNIV	United States	Record high maximum temperature	29.4 C (84.9 F)	38 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record high maximum temperature	28.3 C (82.9 F)	38 of 100 (Notable)
Grootfontein	South Africa	Record daily precipitation	28.8 mm (1.1 in)	37 of 100 (Notable)
Puyallup 2 W Exp STN	United States	Record high maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Auburn	United States	Record high minimum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
American Falls 6 NE	United States	Record high maximum temperature	27.8 C (82.0 F)	36 of 100 (Notable)
Fallon Exp STN	United States	Record high minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Tilden 4 SSE	United States	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Diablo Dam	United States	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Miyako	Japan	Record daily precipitation	101.1 mm (4.0 in)	35 of 100 (Notable)
Boca del Salado	Mexico	Record low minimum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Las Pocitas	Mexico	Record low maximum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Lady Grey (Pol)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
San Bernardino F S 226	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Headworks Portland Wtr B	United States	Record high maximum temperature	28.3 C (82.9 F)	35 of 100 (Notable)
Concrete Ppl Fish STN	United States	Record high maximum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Old Faithful	United States	Record high maximum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Schallstadt-Mengen	Germany	Record daily precipitation	26.1 mm (1.0 in)	34 of 100 (Routine)
Corozal Substn	Puerto Rico [United States]	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Glenwood Spgs #2	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Requetemu	Mexico	Record low maximum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Woodland 1 WNW	United States	Record high maximum temperature	37.2 C (99.0 F)	33 of 100 (Routine)
Port Townsend	United States	Record high maximum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Newcastle	United States	Record high minimum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Yosemite Park HQ	United States	Record high minimum temperature	12.2 C (54.0 F)	32 of 100 (Routine)
Riggins	United States	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Valier	United States	Record high minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Grants Pass	United States	Record high maximum temperature	32.2 C (90.0 F)	32 of 100 (Routine)
Colfax	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Downieville	United States	Record high maximum temperature	31.7 C (89.1 F)	31 of 100 (Routine)
Quincy	United States	Record high maximum temperature	32.2 C (90.0 F)	31 of 100 (Routine)
Santa Monica Pier	United States	Record high maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Weaverville	United States	Record high maximum temperature	37.2 C (99.0 F)	31 of 100 (Routine)
Moscow U of I	United States	Record high maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Clover Valley	United States	Record high maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Mina	United States	Record high minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
La Vega	Mexico	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
Kareepan	South Africa	Record daily precipitation	34.0 mm (1.3 in)	30 of 100 (Routine)
Tahoe City	United States	Record high maximum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Willows 6 W	United States	Record high maximum temperature	37.8 C (100.0 F)	30 of 100 (Routine)
Saint Ignatius	United States	Record high maximum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Sedro-Woolley	United States	Record high maximum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Ishinomaki	Japan	Record daily precipitation	144.0 mm (5.7 in)	29 of 100 (Routine)
Quartzsite	United States	Record high minimum temperature	24.4 C (75.9 F)	29 of 100 (Routine)
Calaveras Big Trees	United States	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Marysville	United States	Record high maximum temperature	36.1 C (97.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

948 records

Records set or tied on 12 October 1991 by type: Highest daily maximum 451, Lowest daily maximum 44, Highest daily minimum 248, Lowest daily minimum 60, Heaviest daily rainfall 143, Heaviest daily snowfall 2.

Records on 12 October 1991 by type
Record type	Records
Highest daily maximum	451
Lowest daily maximum	44
Highest daily minimum	248
Lowest daily minimum	60
Heaviest daily rainfall	143
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 12 October 1991 by timescale: all-time 1, monthly 26, daily 921.

How Much Records Were Beaten By

724 broken records

Margins by which the 724 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.9. Ties are not counted.

Top 20 by Significance

12 October 1991

Top 20 records on 12 October 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 October 1991	Kakamas Skl, ZA	daily rain	40.0 mm (1.6 in)	29.6 mm (1.2 in)	52 years	60 of 100 (Major)
12 October 1991	Mantova, IT	daily rain	54.0 mm (2.1 in)	13.0 mm (0.5 in)	118 years	53 of 100 (Notable)
12 October 1991	Biskra, DZ	daily rain	30.0 mm (1.2 in)	10.8 mm (0.4 in)	89 years	50 of 100 (Notable)
12 October 1991	Sendai, JP	daily rain	104.9 mm (4.1 in)	71.9 mm (2.8 in)	20 years	50 of 100 (Notable)
12 October 1991	Smythe, ZA	daily rain	33.0 mm (1.3 in)	20.3 mm (0.8 in)	77 years	48 of 100 (Notable)
12 October 1991	Austin #2, US	daily high min	12.2 C (54.0 F)	2.8 C (5.0 F)	102 years	46 of 100 (Notable)
12 October 1991	Kosice, SK	daily rain	34.1 mm (1.3 in)	20.4 mm (0.8 in)	26 years	45 of 100 (Notable)
12 October 1991	Cacaloapan, MX	daily rain	35.1 mm (1.4 in)	32.3 mm (1.3 in)	17 years	45 of 100 (Notable)
12 October 1991	Verona Villafranca, IT	daily rain	65.2 mm (2.6 in)	40.0 mm (1.6 in)	16 years	44 of 100 (Notable)
12 October 1991	Onahama, JP	daily rain	97.0 mm (3.8 in)	70.0 mm (2.8 in)	6 years	42 of 100 (Notable)
12 October 1991	Saaifontein, ZA	daily rain	43.0 mm (1.7 in)	16.3 mm (0.6 in)	54 years	41 of 100 (Notable)
12 October 1991	Paradise Valley 1 NW, US	daily high max	30.6 C (87.1 F)	0.6 C (1.1 F)	96 years	39 of 100 (Notable)
12 October 1991	Sunnyside - Lund 31S, US	daily high max	28.3 C (82.9 F)	0.5 C (0.9 F)	96 years	39 of 100 (Notable)
12 October 1991	Rooiwal, ZA	daily rain	25.0 mm (1.0 in)	15.9 mm (0.6 in)	52 years	38 of 100 (Notable)
12 October 1991	Corvallis State UNIV, US	daily high max	29.4 C (84.9 F)	1.6 C (2.9 F)	89 years	38 of 100 (Notable)
12 October 1991	Klamath Falls 2 SSW, US	daily high max	28.3 C (82.9 F)	0.5 C (0.9 F)	95 years	38 of 100 (Notable)
12 October 1991	Grootfontein, ZA	daily rain	28.8 mm (1.1 in)	26.8 mm (1.1 in)	14 years	37 of 100 (Notable)
12 October 1991	Puyallup 2 W Exp STN, US	daily high max	27.2 C (81.0 F)	3.9 C (7.0 F)	64 years	37 of 100 (Notable)
12 October 1991	Auburn, US	daily high min	21.1 C (70.0 F)	2.2 C (4.0 F)	73 years	36 of 100 (Notable)
12 October 1991	American Falls 6 NE, US	daily high max	27.8 C (82.0 F)	0.6 C (1.1 F)	84 years	36 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

1805 to 1991

Records set or tied on this calendar date in each year from 1805 to 1991. 1991 had 948 records.

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

Records on 10-12 in each year
Year	Records
1805	2
1809	1
1810	1
1814	3
1822	1
1839	1
1841	1
1843	1
1850	1
1852	1
1854	1
1859	1
1860	2
1861	1
1867	1
1871	3
1873	2
1875	2
1876	5
1879	2
1881	2
1884	1
1885	2
1886	1
1887	2
1888	1
1889	1
1890	3
1891	1
1892	1
1893	2
1894	2
1895	2
1896	3
1897	3
1898	2
1899	3
1900	2
1901	6
1902	14
1903	16
1904	30
1905	13
1906	16
1907	10
1908	13
1909	30
1910	13
1911	10
1912	30
1913	33
1914	17
1915	34
1916	29
1917	53
1918	29
1919	53
1920	79
1921	102
1922	21
1923	200
1924	129
1925	107
1926	201
1927	195
1928	714
1929	165
1930	606
1931	283
1932	398
1933	155
1934	477
1935	209
1936	301
1937	185
1938	470
1939	198
1940	235
1941	226
1942	540
1943	418
1944	274
1945	321
1946	554
1947	358
1948	311
1949	725
1950	594
1951	391
1952	352
1953	252
1954	911
1955	383
1956	899
1957	473
1958	448
1959	501
1960	449
1961	436
1962	971
1963	459
1964	636
1965	157
1966	423
1967	623
1968	443
1969	1,828
1970	763
1971	382
1972	412
1973	673
1974	369
1975	830
1976	582
1977	832
1978	525
1979	898
1980	741
1981	1,201
1982	777
1983	992
1984	636
1985	872
1986	1,510
1987	1,530
1988	1,015
1989	543
1990	1,325
1991	948
1992	865
1993	1,145
1994	934
1995	1,238
1996	816
1997	1,851
1998	741
1999	641
2000	1,095
2001	1,194
2002	1,139
2003	1,043
2004	750
2005	872
2006	1,357
2007	566
2008	1,669
2009	2,300
2010	797
2011	906
2012	921
2013	558
2014	514
2015	964
2016	374
2017	1,068
2018	1,195
2019	1,321
2020	655
2021	1,294
2022	439
2023	904
2024	958
2025	624
2026	768

Download the Data

Data for records on 1991-10-12: 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	688
10 to 20	23
20 to 30	7
30 to 40	2
40 to 50	2
50 to 60	0
60 to 70	0
70 to 80	2