Weather Records on 4 October 1991

813 weather records were set or tied worldwide on 4 October 1991. Highest significance: Big Rapids Wtp, US.

Key Facts for 4 October 1991

On 4 October 1991, 813 weather records were set or tied at long-record stations worldwide.
340 were record highs and 196 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 54 monthly and 756 daily.
Big Rapids Wtp set a daily record precipitation of 62.5 mm (2.5 in) on 4 October 1991.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 462 records.

Record Map

813 stations

813 station records on 4 October 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 October 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Big Rapids Wtp	United States	Record daily precipitation	62.5 mm (2.5 in)	66 of 100 (Major)
Geneseo	United States	Record daily precipitation	56.1 mm (2.2 in)	65 of 100 (Major)
Princeton	United States	Record daily precipitation	66.0 mm (2.6 in)	63 of 100 (Major)
Golden	United States	Record daily precipitation	87.6 mm (3.4 in)	61 of 100 (Major)
Mason City 4SE	United States	Record daily precipitation	122.4 mm (4.8 in)	60 of 100 (Major)
Hart 3 WSW	United States	Record daily precipitation	63.5 mm (2.5 in)	60 of 100 (Major)
Kirksville	United States	Record daily precipitation	99.3 mm (3.9 in)	58 of 100 (Notable)
Ceduna Post Office	Australia	Record daily precipitation	74.9 mm (2.9 in)	57 of 100 (Notable)
Canton	United States	Record daily precipitation	78.2 mm (3.1 in)	56 of 100 (Notable)
Lourensgeluk	South Africa	Record daily precipitation	38.0 mm (1.5 in)	55 of 100 (Notable)
Maryville 2E	United States	Record daily precipitation	61.0 mm (2.4 in)	55 of 100 (Notable)
Mt Sterling	United States	Record daily precipitation	135.4 mm (5.3 in)	54 of 100 (Notable)
Suchixtlahuaca -Quiotep-	Mexico	Record daily precipitation	169.9 mm (6.7 in)	53 of 100 (Notable)
Laporte	United States	Record daily precipitation	71.4 mm (2.8 in)	53 of 100 (Notable)
Braddock Lock 2	United States	Record daily precipitation	53.8 mm (2.1 in)	51 of 100 (Notable)
Muskegon Co AP	United States	Record daily precipitation	65.5 mm (2.6 in)	51 of 100 (Notable)
Alpena Co Rgnl AP	United States	Record daily precipitation	40.4 mm (1.6 in)	51 of 100 (Notable)
Cedar Rapids #1	United States	Record daily precipitation	42.9 mm (1.7 in)	50 of 100 (Notable)
Iowa City	United States	Record daily precipitation	33.3 mm (1.3 in)	50 of 100 (Notable)
Lamoni	United States	Record daily precipitation	58.2 mm (2.3 in)	50 of 100 (Notable)
Quincy Dam 21	United States	Record daily precipitation	67.3 mm (2.6 in)	49 of 100 (Notable)
Perm	Russia	Record high minimum temperature	12.0 C (53.6 F)	48 of 100 (Notable)
Antioch	United States	Record daily precipitation	76.2 mm (3.0 in)	48 of 100 (Notable)
Lacon	United States	Record daily precipitation	70.6 mm (2.8 in)	47 of 100 (Notable)
Fairfield	United States	Record daily precipitation	49.5 mm (1.9 in)	45 of 100 (Notable)
Paulding	United States	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Kenosha Wwtp	United States	Record daily precipitation	58.2 mm (2.3 in)	45 of 100 (Notable)
Buffalo Bill Dam	United States	Record low minimum temperature	-12.2 C (10.0 F)	45 of 100 (Notable)
General Wayne A Downing Intl A	United States	Record daily precipitation	68.1 mm (2.7 in)	45 of 100 (Notable)
Glenview NAS	United States	Record daily precipitation	70.9 mm (2.8 in)	45 of 100 (Notable)
Ocotlan de Morelos	Mexico	Record high minimum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Ft Madison	United States	Record daily precipitation	72.6 mm (2.9 in)	44 of 100 (Notable)
Grant City	United States	Record daily precipitation	65.8 mm (2.6 in)	44 of 100 (Notable)
Kunming	China	Record daily precipitation	76.1 mm (3.0 in)	43 of 100 (Notable)
Etne	Norway	Record daily precipitation	83.3 mm (3.3 in)	43 of 100 (Notable)
Beardstown	United States	Record daily precipitation	103.6 mm (4.1 in)	43 of 100 (Notable)
St Joseph 3 N	United States	Record high maximum temperature	37.2 C (99.0 F)	43 of 100 (Notable)
Canton L&D 20	United States	Record daily precipitation	67.6 mm (2.7 in)	43 of 100 (Notable)
Chicago Ohare Intl AP	United States	Record daily precipitation	65.3 mm (2.6 in)	43 of 100 (Notable)
Clinton #1	United States	Record daily precipitation	50.5 mm (2.0 in)	42 of 100 (Notable)
Conception	United States	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Litledal	Norway	Record daily precipitation	89.0 mm (3.5 in)	40 of 100 (Notable)
Bloomington Wtr Wks	United States	Record daily precipitation	54.9 mm (2.2 in)	40 of 100 (Notable)
Labelle	United States	Record daily precipitation	68.6 mm (2.7 in)	40 of 100 (Notable)
Albin	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Newport	United States	Record high maximum temperature	28.3 C (82.9 F)	40 of 100 (Notable)
Aledo	United States	Record daily precipitation	51.3 mm (2.0 in)	39 of 100 (Notable)
Gibson City	United States	Record daily precipitation	70.1 mm (2.8 in)	39 of 100 (Notable)
Macomb	United States	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)
Bethany	United States	Record daily precipitation	56.9 mm (2.2 in)	39 of 100 (Notable)
Wakefield 3NW	United States	Record low maximum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Pontiac	United States	Record daily precipitation	44.2 mm (1.7 in)	38 of 100 (Notable)
Champaign 3S	United States	Record daily precipitation	29.0 mm (1.1 in)	38 of 100 (Notable)
Milan	United States	Record daily precipitation	112.3 mm (4.4 in)	38 of 100 (Notable)
Spickard 7 W	United States	Record daily precipitation	63.0 mm (2.5 in)	38 of 100 (Notable)
Salida	United States	Record high minimum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Waukesha Wwtp	United States	Record daily precipitation	52.3 mm (2.1 in)	37 of 100 (Notable)
Tobolsk	Russia	Record high maximum temperature	23.0 C (73.4 F)	36 of 100 (Notable)
Joliet Brandon Road Lock/Dam	United States	Record daily precipitation	48.3 mm (1.9 in)	36 of 100 (Notable)
Minonk	United States	Record daily precipitation	39.4 mm (1.6 in)	36 of 100 (Notable)

Counts by Type and Timescale

813 records

Records set or tied on 4 October 1991 by type: Highest daily maximum 195, Lowest daily maximum 125, Highest daily minimum 145, Lowest daily minimum 71, Heaviest daily rainfall 261, Heaviest daily snowfall 11, Deepest snow cover 5.

Records on 4 October 1991 by type
Record type	Records
Highest daily maximum	195
Lowest daily maximum	125
Highest daily minimum	145
Lowest daily minimum	71
Heaviest daily rainfall	261
Heaviest daily snowfall	11
Deepest snow cover	5

Records on 4 October 1991 by timescale: all-time 3, monthly 54, daily 756.

How Much Records Were Beaten By

644 broken records

Margins by which the 644 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

4 October 1991

Top 20 records on 4 October 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 October 1991	Big Rapids Wtp, US	daily rain	62.5 mm (2.5 in)	37.4 mm (1.5 in)	58 years	66 of 100 (Major)
4 October 1991	Geneseo, US	daily rain	56.1 mm (2.2 in)	44.2 mm (1.7 in)	64 years	65 of 100 (Major)
4 October 1991	Princeton, US	daily rain	66.0 mm (2.6 in)	36.0 mm (1.4 in)	88 years	63 of 100 (Major)
4 October 1991	Golden, US	daily rain	87.6 mm (3.4 in)	58.9 mm (2.3 in)	49 years	61 of 100 (Major)
4 October 1991	Mason City 4SE, US	all-time rain	122.4 mm (4.8 in)	28.9 mm (1.1 in)	40 years	60 of 100 (Major)
4 October 1991	Hart 3 WSW, US	daily rain	63.5 mm (2.5 in)	29.7 mm (1.2 in)	69 years	60 of 100 (Major)
4 October 1991	Kirksville, US	daily rain	99.3 mm (3.9 in)	61.5 mm (2.4 in)	36 years	58 of 100 (Notable)
4 October 1991	Ceduna Post Office, AU	daily rain	74.9 mm (2.9 in)	66.8 mm (2.6 in)	32 years	57 of 100 (Notable)
4 October 1991	Canton, US	daily rain	78.2 mm (3.1 in)	55.3 mm (2.2 in)	36 years	56 of 100 (Notable)
4 October 1991	Lourensgeluk, ZA	daily rain	38.0 mm (1.5 in)	33.7 mm (1.3 in)	52 years	55 of 100 (Notable)
4 October 1991	Maryville 2E, US	daily rain	61.0 mm (2.4 in)	28.0 mm (1.1 in)	88 years	55 of 100 (Notable)
4 October 1991	Mt Sterling, US	all-time rain	135.4 mm (5.3 in)	27.4 mm (1.1 in)	40 years	54 of 100 (Notable)
4 October 1991	Suchixtlahuaca -Quiotep-, MX	monthly rain	169.9 mm (6.7 in)	130.0 mm (5.1 in)	0 years	53 of 100 (Notable)
4 October 1991	Laporte, US	daily rain	71.4 mm (2.8 in)	44.7 mm (1.8 in)	36 years	53 of 100 (Notable)
4 October 1991	Braddock Lock 2, US	daily rain	53.8 mm (2.1 in)	30.2 mm (1.2 in)	36 years	51 of 100 (Notable)
4 October 1991	Muskegon Co AP, US	daily rain	65.5 mm (2.6 in)	24.1 mm (0.9 in)	49 years	51 of 100 (Notable)
4 October 1991	Alpena Co Rgnl AP, US	daily rain	40.4 mm (1.6 in)	18.0 mm (0.7 in)	58 years	51 of 100 (Notable)
4 October 1991	Cedar Rapids #1, US	daily rain	42.9 mm (1.7 in)	19.5 mm (0.8 in)	72 years	50 of 100 (Notable)
4 October 1991	Iowa City, US	daily rain	33.3 mm (1.3 in)	16.8 mm (0.7 in)	88 years	50 of 100 (Notable)
4 October 1991	Lamoni, US	daily rain	58.2 mm (2.3 in)	36.1 mm (1.4 in)	44 years	50 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

1795 to 1991

Records set or tied on this calendar date in each year from 1795 to 1991. 1991 had 813 records.

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

Records on 10-04 in each year
Year	Records
1795	1
1802	1
1841	2
1843	1
1844	2
1847	2
1853	1
1859	1
1864	8
1865	2
1867	1
1868	1
1873	1
1875	1
1876	1
1878	1
1880	1
1881	3
1882	1
1883	3
1884	4
1885	2
1886	3
1888	5
1889	2
1890	1
1891	3
1892	2
1893	2
1894	3
1895	3
1896	3
1898	4
1899	1
1900	3
1901	9
1902	5
1903	8
1904	5
1905	11
1906	29
1907	10
1908	18
1909	13
1910	21
1911	23
1912	101
1913	12
1914	18
1915	13
1916	137
1917	157
1918	127
1919	30
1920	31
1921	46
1922	44
1923	21
1924	63
1925	130
1926	255
1927	172
1928	131
1929	339
1930	244
1931	361
1932	413
1933	299
1934	121
1935	833
1936	161
1937	483
1938	440
1939	345
1940	220
1941	850
1942	198
1943	426
1944	328
1945	543
1946	314
1947	592
1948	449
1949	491
1950	565
1951	617
1952	717
1953	358
1954	999
1955	630
1956	467
1957	533
1958	704
1959	812
1960	246
1961	758
1962	313
1963	528
1964	389
1965	760
1966	464
1967	440
1968	587
1969	628
1970	539
1971	361
1972	712
1973	604
1974	1,846
1975	681
1976	869
1977	517
1978	488
1979	733
1980	975
1981	994
1982	415
1983	762
1984	864
1985	863
1986	1,265
1987	1,502
1988	713
1989	742
1990	845
1991	813
1992	866
1993	956
1994	1,341
1995	1,192
1996	1,012
1997	928
1998	1,487
1999	1,596
2000	917
2001	547
2002	1,465
2003	610
2004	562
2005	1,973
2006	987
2007	997
2008	935
2009	1,431
2010	1,230
2011	919
2012	864
2013	1,130
2014	611
2015	741
2016	680
2017	780
2018	979
2019	1,131
2020	897
2021	644
2022	561
2023	936
2024	1,197
2025	979
2026	942

Download the Data

Data for records on 1991-10-04: 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	570
20 to 40	53
40 to 60	16
60 to 80	2
80 to 100	0
100 to 120	1
120 to 140	1
140 to 160	1