Weather Records on 4 October 2001

547 weather records were set or tied worldwide on 4 October 2001. Highest significance: Miami, US.

Key Facts for 4 October 2001

On 4 October 2001, 547 weather records were set or tied at long-record stations worldwide.
295 were record highs and 133 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 24 monthly and 523 daily.
Miami set a daily record precipitation of 94.0 mm (3.7 in) on 4 October 2001.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 464 records.

Record Map

547 stations

547 station records on 4 October 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 October 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Miami	United States	Record daily precipitation	94.0 mm (3.7 in)	59 of 100 (Notable)
Potter	United States	Record daily snowfall	12.7 cm (5.0 in)	57 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	22.8 C (73.0 F)	56 of 100 (Notable)
Fingal (Legge Street)	Australia	Record daily precipitation	30.4 mm (1.2 in)	54 of 100 (Notable)
King Salmon	United States	Record daily precipitation	30.0 mm (1.2 in)	54 of 100 (Notable)
Copping	Australia	Record daily precipitation	40.4 mm (1.6 in)	49 of 100 (Notable)
Gen. Santos	Philippines	Record daily precipitation	89.9 mm (3.5 in)	48 of 100 (Notable)
Juuka Niemela	Finland	Record daily precipitation	27.6 mm (1.1 in)	47 of 100 (Notable)
Argyle Downs	Australia	Record daily precipitation	37.5 mm (1.5 in)	43 of 100 (Notable)
Campbell Town (Greenhill)	Australia	Record daily precipitation	26.0 mm (1.0 in)	43 of 100 (Notable)
Morningside (Macquarie River)	Australia	Record daily precipitation	26.2 mm (1.0 in)	43 of 100 (Notable)
Lukachukai	United States	Record high maximum temperature	29.4 C (84.9 F)	43 of 100 (Notable)
Hialeah	United States	Record daily precipitation	110.0 mm (4.3 in)	42 of 100 (Notable)
Bjelasnica	Bosnia and Herzegovina	Record high minimum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Suchiate	Mexico	Record low minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Xochitlan Todos Santos	Mexico	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Guna	India	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Lyman	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Apslawn	Australia	Record daily precipitation	77.0 mm (3.0 in)	36 of 100 (Notable)
Agartala	India	Record daily precipitation	66.0 mm (2.6 in)	35 of 100 (Notable)
Zamora (Dge)	Mexico	Record low maximum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Gudermes	Russia	Record high maximum temperature	31.8 C (89.2 F)	34 of 100 (Routine)
Cordova AP	United States	Record high minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Buctzotz	Mexico	Record daily precipitation	71.9 mm (2.8 in)	33 of 100 (Routine)
Mahackala	Russia	Record high maximum temperature	26.0 C (78.8 F)	33 of 100 (Routine)
Big Delta AP	United States	Record high maximum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
St Helens Post Office	Australia	Record daily precipitation	38.6 mm (1.5 in)	31 of 100 (Routine)
Lucknow/Amausi	India	Record daily precipitation	111.0 mm (4.4 in)	31 of 100 (Routine)
Poset	Russia	Record daily precipitation	64.2 mm (2.5 in)	31 of 100 (Routine)
Moorina (Frome Dam)	Australia	Record daily precipitation	40.8 mm (1.6 in)	30 of 100 (Routine)
Oujda	Morocco	Record high maximum temperature	36.5 C (97.7 F)	30 of 100 (Routine)
Asuncion Nochixtlan	Mexico	Record high maximum temperature	33.9 C (93.0 F)	30 of 100 (Routine)
Bethel AP	United States	Record high minimum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
La Concha	Mexico	Record low minimum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
Big Creek Ph 1	United States	Record high minimum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Buzau	Romania	Record high maximum temperature	29.3 C (84.7 F)	28 of 100 (Routine)
Bridgewater	United States	Record high maximum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Mellen 4 NE	United States	Record low minimum temperature	-7.2 C (19.0 F)	28 of 100 (Routine)
Nenana Muni AP	United States	Record high minimum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Es Senia	Algeria	Record high minimum temperature	21.5 C (70.7 F)	27 of 100 (Routine)
Tenosique (Smn)	Mexico	Record low minimum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Groznyj	Russia	Record high maximum temperature	29.5 C (85.1 F)	27 of 100 (Routine)
Chazy	United States	Record high minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
San Rafael	Mexico	Record daily precipitation	26.2 mm (1.0 in)	26 of 100 (Routine)
Mineral-Nye-Vody	Russia	Record high maximum temperature	29.3 C (84.7 F)	26 of 100 (Routine)
East London	South Africa	Record low maximum temperature	11.6 C (52.9 F)	26 of 100 (Routine)
Belfast	United States	Record high maximum temperature	26.7 C (80.1 F)	26 of 100 (Routine)
Port Alsworth	United States	Record high minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Palmdale AP	United States	Record high minimum temperature	18.3 C (64.9 F)	26 of 100 (Routine)
Homer AP	United States	Record high maximum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
El Boqueron	Mexico	Record high maximum temperature	35.0 C (95.0 F)	25 of 100 (Routine)
El Pueblito	Mexico	Record low maximum temperature	11.7 C (53.1 F)	25 of 100 (Routine)
Presa Valerio Trujano	Mexico	Record high maximum temperature	37.8 C (100.0 F)	25 of 100 (Routine)
Yurecuaro	Mexico	Record low maximum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record high maximum temperature	29.8 C (85.6 F)	25 of 100 (Routine)
Walnut	United States	Record daily precipitation	39.1 mm (1.5 in)	25 of 100 (Routine)
Manley Hot Springs	United States	Record high maximum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Santa Clara	Mexico	Record low maximum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Carrera Larga	Mexico	Record high maximum temperature	35.0 C (95.0 F)	24 of 100 (Routine)
Minas Nuevas	Mexico	Record low maximum temperature	25.6 C (78.1 F)	24 of 100 (Routine)

Counts by Type and Timescale

547 records

Records set or tied on 4 October 2001 by type: Highest daily maximum 154, Lowest daily maximum 79, Highest daily minimum 141, Lowest daily minimum 54, Heaviest daily rainfall 110, Heaviest daily snowfall 7, Deepest snow cover 2.

Records on 4 October 2001 by type
Record type	Records
Highest daily maximum	154
Lowest daily maximum	79
Highest daily minimum	141
Lowest daily minimum	54
Heaviest daily rainfall	110
Heaviest daily snowfall	7
Deepest snow cover	2

Records on 4 October 2001 by timescale: all-time 0, monthly 24, daily 523.

How Much Records Were Beaten By

382 broken records

Margins by which the 382 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

4 October 2001

Top 20 records on 4 October 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 October 2001	Miami, US	daily rain	94.0 mm (3.7 in)	51.1 mm (2.0 in)	82 years	59 of 100 (Notable)
4 October 2001	Potter, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	80 years	57 of 100 (Notable)
4 October 2001	Nemours (Ghazaouet), DZ	monthly high min	22.8 C (73.0 F)	1.8 C (3.2 F)	112 years	56 of 100 (Notable)
4 October 2001	Fingal (Legge Street), AU	daily rain	30.4 mm (1.2 in)	12.9 mm (0.5 in)	91 years	54 of 100 (Notable)
4 October 2001	King Salmon, US	daily rain	30.0 mm (1.2 in)	18.8 mm (0.7 in)	27 years	54 of 100 (Notable)
4 October 2001	Copping, AU	daily rain	40.4 mm (1.6 in)	26.4 mm (1.0 in)	24 years	49 of 100 (Notable)
4 October 2001	Gen. Santos, PH	daily rain	89.9 mm (3.5 in)	65.9 mm (2.6 in)	12 years	48 of 100 (Notable)
4 October 2001	Juuka Niemela, FI	daily rain	27.6 mm (1.1 in)	20.0 mm (0.8 in)	10 years	47 of 100 (Notable)
4 October 2001	Argyle Downs, AU	daily rain	37.5 mm (1.5 in)	29.3 mm (1.2 in)	26 years	43 of 100 (Notable)
4 October 2001	Campbell Town (Greenhill), AU	daily rain	26.0 mm (1.0 in)	15.1 mm (0.6 in)	32 years	43 of 100 (Notable)
4 October 2001	Morningside (Macquarie River), AU	daily rain	26.2 mm (1.0 in)	16.3 mm (0.6 in)	32 years	43 of 100 (Notable)
4 October 2001	Lukachukai, US	monthly high max	29.4 C (84.9 F)	0.5 C (0.9 F)	83 years	43 of 100 (Notable)
4 October 2001	Hialeah, US	daily rain	110.0 mm (4.3 in)	48.8 mm (1.9 in)	54 years	42 of 100 (Notable)
4 October 2001	Bjelasnica, BA	daily high min	10.0 C (50.0 F)	0.5 C (0.9 F)	100 years	41 of 100 (Notable)
4 October 2001	Suchiate, MX	daily low min	17.8 C (64.0 F)	2.2 C (4.0 F)	52 years	41 of 100 (Notable)
4 October 2001	Xochitlan Todos Santos, MX	daily high max	36.7 C (98.1 F)	3.9 C (7.0 F)	60 years	38 of 100 (Notable)
4 October 2001	Guna, IN	daily rain	42.9 mm (1.7 in)	12.4 mm (0.5 in)	70 years	37 of 100 (Notable)
4 October 2001	Lyman, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	76 years	37 of 100 (Notable)
4 October 2001	Apslawn, AU	daily rain	77.0 mm (3.0 in)	6.6 mm (0.26 in)	70 years	36 of 100 (Notable)
4 October 2001	Agartala, IN	daily rain	66.0 mm (2.6 in)	7.1 mm (0.28 in)	78 years	35 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 2001

Records set or tied on this calendar date in each year from 1795 to 2001. 2001 had 547 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 2001-10-04: 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	367
20 to 40	9
40 to 60	4
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	1