Weather Records on 4 October 2015

741 weather records were set or tied worldwide on 4 October 2015. Highest significance: Honokaa Town 215, US.

Key Facts for 4 October 2015

On 4 October 2015, 741 weather records were set or tied at long-record stations worldwide.
272 were record highs and 307 were record lows, counting maximum and minimum temperature.
By timescale, 10 were all-time records, 23 monthly and 708 daily.
Honokaa Town 215 set a monthly record daily precipitation of 301.2 mm (11.9 in) on 4 October 2015.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 463 records.

Record Map

741 stations

741 station records on 4 October 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 October 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Honokaa Town 215	United States	Record daily precipitation	301.2 mm (11.9 in)	82 of 100 (Exceptional)
Sumter	United States	Record daily precipitation	271.0 mm (10.7 in)	79 of 100 (Major)
Paauilo 221	United States	Record daily precipitation	176.0 mm (6.9 in)	78 of 100 (Major)
Manning	United States	Record daily precipitation	217.2 mm (8.6 in)	76 of 100 (Major)
Saluda	United States	Record daily precipitation	196.6 mm (7.7 in)	62 of 100 (Major)
Summerville 4W	United States	Record daily precipitation	233.7 mm (9.2 in)	62 of 100 (Major)
Little Mtn	United States	Record daily precipitation	186.7 mm (7.4 in)	61 of 100 (Major)
Andrews	United States	Record daily precipitation	223.5 mm (8.8 in)	58 of 100 (Notable)
Calhoun Falls	United States	Record daily precipitation	105.4 mm (4.1 in)	58 of 100 (Notable)
Laurens	United States	Record daily precipitation	114.3 mm (4.5 in)	58 of 100 (Notable)
Columbia	United States	Record daily precipitation	174.5 mm (6.9 in)	58 of 100 (Notable)
Orangeburg 2	United States	Record daily precipitation	118.4 mm (4.7 in)	55 of 100 (Notable)
Tonopah AP	United States	Record daily precipitation	40.4 mm (1.6 in)	55 of 100 (Notable)
Dahlonega 4WSW	United States	Record daily precipitation	108.0 mm (4.3 in)	53 of 100 (Notable)
Antreville	United States	Record daily precipitation	154.9 mm (6.1 in)	53 of 100 (Notable)
Newberry	United States	Record daily precipitation	152.4 mm (6.0 in)	53 of 100 (Notable)
Yangjiang	China	Record daily precipitation	170.4 mm (6.7 in)	52 of 100 (Notable)
Springfield	United States	Record daily precipitation	127.0 mm (5.0 in)	52 of 100 (Notable)
Rodrigues	Mauritius	Record daily precipitation	59.9 mm (2.4 in)	50 of 100 (Notable)
Wynne	United States	Record low maximum temperature	14.4 C (57.9 F)	49 of 100 (Notable)
Guangzhou	China	Record daily precipitation	67.1 mm (2.6 in)	48 of 100 (Notable)
Saint Paul Is AP	United States	Record high minimum temperature	8.9 C (48.0 F)	48 of 100 (Notable)
Artesia 6S	United States	Record daily precipitation	48.3 mm (1.9 in)	47 of 100 (Notable)
Winnsboro	United States	Record daily precipitation	99.6 mm (3.9 in)	47 of 100 (Notable)
Wilmington Intl AP	United States	Record daily precipitation	131.8 mm (5.2 in)	47 of 100 (Notable)
Corning	United States	Record low maximum temperature	12.8 C (55.0 F)	45 of 100 (Notable)
Russellville	United States	Record low maximum temperature	11.7 C (53.1 F)	45 of 100 (Notable)
Aberdeen	United States	Record low maximum temperature	12.8 C (55.0 F)	45 of 100 (Notable)
Natchez	United States	Record low maximum temperature	17.8 C (64.0 F)	45 of 100 (Notable)
Walterboro 1 SW	United States	Record daily precipitation	107.4 mm (4.2 in)	45 of 100 (Notable)
New Orleans Audubon	United States	Record low maximum temperature	20.0 C (68.0 F)	45 of 100 (Notable)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	13.7 C (56.7 F)	44 of 100 (Notable)
Newport	United States	Record low maximum temperature	13.3 C (55.9 F)	44 of 100 (Notable)
Saint Leo	United States	Record low maximum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Hartwell	United States	Record daily precipitation	123.7 mm (4.9 in)	44 of 100 (Notable)
Batesburg	United States	Record daily precipitation	129.5 mm (5.1 in)	44 of 100 (Notable)
Bishopville 1.4 ENE	United States	Record daily precipitation	73.7 mm (2.9 in)	44 of 100 (Notable)
Wewahitchka	United States	Record low maximum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Hopkinsville	United States	Record low maximum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Waynesboro 2 W	United States	Record low maximum temperature	18.9 C (66.0 F)	43 of 100 (Notable)
Arnett 3NE	United States	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Johnston 4 SW	United States	Record daily precipitation	111.8 mm (4.4 in)	43 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high maximum temperature	29.6 C (85.3 F)	42 of 100 (Notable)
Niamey Aero	Niger	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Zinder	Niger	Record low maximum temperature	31.7 C (89.1 F)	42 of 100 (Notable)
Dumas	United States	Record low maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Middleboro	United States	Record low maximum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Hernando	United States	Record low maximum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Kapoho Beach 93.11	United States	Record daily precipitation	119.9 mm (4.7 in)	42 of 100 (Notable)
Orland	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Lake City 2 E	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Booneville	United States	Record low maximum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Adel	United States	Record low maximum temperature	2.2 C (36.0 F)	41 of 100 (Notable)
Hobbs	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Boone 1 SE	United States	Record daily precipitation	71.4 mm (2.8 in)	41 of 100 (Notable)
Moorefield 1 SSE	United States	Record low maximum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Farson 2NNE	United States	Record high minimum temperature	5.6 C (42.1 F)	41 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record low maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Mt Vernon 3 NE	United States	Record low maximum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Fulton 3 W	United States	Record low maximum temperature	12.8 C (55.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

741 records

Records set or tied on 4 October 2015 by type: Highest daily maximum 137, Lowest daily maximum 292, Highest daily minimum 135, Lowest daily minimum 15, Heaviest daily rainfall 157, Heaviest daily snowfall 3, Deepest snow cover 2.

Records on 4 October 2015 by type
Record type	Records
Highest daily maximum	137
Lowest daily maximum	292
Highest daily minimum	135
Lowest daily minimum	15
Heaviest daily rainfall	157
Heaviest daily snowfall	3
Deepest snow cover	2

Records on 4 October 2015 by timescale: all-time 10, monthly 23, daily 708.

How Much Records Were Beaten By

633 broken records

Margins by which the 633 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 157.5. Ties are not counted.

Top 20 by Significance

4 October 2015

Top 20 records on 4 October 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 October 2015	Honokaa Town 215, US	monthly rain	301.2 mm (11.9 in)	137.4 mm (5.4 in)	78 years	82 of 100 (Exceptional)
4 October 2015	Sumter, US	all-time rain	271.0 mm (10.7 in)	50.5 mm (2.0 in)	70 years	79 of 100 (Major)
4 October 2015	Paauilo 221, US	daily rain	176.0 mm (6.9 in)	157.5 mm (6.2 in)	93 years	78 of 100 (Major)
4 October 2015	Manning, US	all-time rain	217.2 mm (8.6 in)	73.7 mm (2.9 in)	36 years	76 of 100 (Major)
4 October 2015	Saluda, US	all-time rain	196.6 mm (7.7 in)	15.0 mm (0.6 in)	86 years	62 of 100 (Major)
4 October 2015	Summerville 4W, US	monthly rain	233.7 mm (9.2 in)	93.5 mm (3.7 in)	6 years	62 of 100 (Major)
4 October 2015	Little Mtn, US	all-time rain	186.7 mm (7.4 in)	7.9 mm (0.31 in)	91 years	61 of 100 (Major)
4 October 2015	Andrews, US	all-time rain	223.5 mm (8.8 in)	66.0 mm (2.6 in)	16 years	58 of 100 (Notable)
4 October 2015	Calhoun Falls, US	daily rain	105.4 mm (4.1 in)	44.2 mm (1.7 in)	77 years	58 of 100 (Notable)
4 October 2015	Laurens, US	daily rain	114.3 mm (4.5 in)	48.8 mm (1.9 in)	77 years	58 of 100 (Notable)
4 October 2015	Columbia, US	all-time rain	174.5 mm (6.9 in)	27.4 mm (1.1 in)	56 years	58 of 100 (Notable)
4 October 2015	Orangeburg 2, US	daily rain	118.4 mm (4.7 in)	80.8 mm (3.2 in)	22 years	55 of 100 (Notable)
4 October 2015	Tonopah AP, US	monthly rain	40.4 mm (1.6 in)	19.3 mm (0.8 in)	2 years	55 of 100 (Notable)
4 October 2015	Dahlonega 4WSW, US	daily rain	108.0 mm (4.3 in)	25.4 mm (1.0 in)	116 years	53 of 100 (Notable)
4 October 2015	Antreville, US	all-time rain	154.9 mm (6.1 in)	25.4 mm (1.0 in)	40 years	53 of 100 (Notable)
4 October 2015	Newberry, US	daily rain	152.4 mm (6.0 in)	68.1 mm (2.7 in)	22 years	53 of 100 (Notable)
4 October 2015	Yangjiang, CN	daily rain	170.4 mm (6.7 in)	133.3 mm (5.2 in)	20 years	52 of 100 (Notable)
4 October 2015	Springfield, US	daily rain	127.0 mm (5.0 in)	90.9 mm (3.6 in)	22 years	52 of 100 (Notable)
4 October 2015	Rodrigues, MU	daily rain	59.9 mm (2.4 in)	54.8 mm (2.2 in)	16 years	50 of 100 (Notable)
4 October 2015	Wynne, US	daily low max	14.4 C (57.9 F)	5.0 C (9.0 F)	100 years	49 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 2015

Records set or tied on this calendar date in each year from 1795 to 2015. 2015 had 741 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 2015-10-04: 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	595
20 to 40	19
40 to 60	9
60 to 80	4
80 to 100	3
100 to 120	0
120 to 140	2
140 to 160	1