Weather Records on 15 October 1915

48 weather records were set or tied worldwide on 15 October 1915. Highest significance: Palermo, IT.

Key Facts for 15 October 1915

On 15 October 1915, 48 weather records were set or tied at long-record stations worldwide.
15 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 48 daily.
Palermo set a daily record precipitation of 63.5 mm (2.5 in) on 15 October 1915.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 462 records.

Record Map

48 stations

48 station records on 15 October 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Palermo	Italy	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Concordia ASOS	United States	Record daily precipitation	72.1 mm (2.8 in)	46 of 100 (Notable)
Brewon	Australia	Record daily precipitation	45.5 mm (1.8 in)	44 of 100 (Notable)
Walgett (Dungalear)	Australia	Record daily precipitation	40.4 mm (1.6 in)	26 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high minimum temperature	16.7 C (62.1 F)	25 of 100 (Routine)
Laurieton (Elouera St)	Australia	Record daily precipitation	36.3 mm (1.4 in)	24 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low minimum temperature	5.8 C (42.4 F)	23 of 100 (Routine)
Dumble	Australia	Record daily precipitation	30.7 mm (1.2 in)	22 of 100 (Routine)
Tamworth Airport	Australia	Record daily precipitation	35.8 mm (1.4 in)	21 of 100 (Routine)
Collarenebri (Albert St)	Australia	Record daily precipitation	28.4 mm (1.1 in)	20 of 100 (Routine)
Manilla Post Office	Australia	Record daily precipitation	38.1 mm (1.5 in)	20 of 100 (Routine)
Blackville (Krui Vale)	Australia	Record daily precipitation	29.2 mm (1.1 in)	20 of 100 (Routine)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	30.7 mm (1.2 in)	19 of 100 (Routine)
Paterson	United States	Record daily precipitation	5.1 mm (0.20 in)	19 of 100 (Routine)
Philadelphia City	United States	Record high minimum temperature	17.2 C (63.0 F)	19 of 100 (Routine)
Washington	United States	Record high minimum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Bendemeer (Caroline St)	Australia	Record daily precipitation	43.2 mm (1.7 in)	17 of 100 (Routine)
Somerton (Bective Estate)	Australia	Record daily precipitation	29.0 mm (1.1 in)	15 of 100 (Routine)
Walcha Post Office	Australia	Record daily precipitation	40.9 mm (1.6 in)	15 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high maximum temperature	23.4 C (74.1 F)	15 of 100 (Routine)
Vineland	United States	Record high minimum temperature	17.8 C (64.0 F)	15 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	14.7 mm (0.6 in)	15 of 100 (Routine)
Barringun	Australia	Record daily precipitation	10.7 mm (0.4 in)	13 of 100 (Routine)
Middletown 4 W	United States	Record high minimum temperature	15.6 C (60.1 F)	13 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	20.3 mm (0.8 in)	13 of 100 (Routine)
Atlantic City Marina	United States	Record daily precipitation	22.1 mm (0.9 in)	13 of 100 (Routine)
Pesaro	Italy	Record daily precipitation	14.0 mm (0.6 in)	12 of 100 (Routine)
Milparinka Hotel	Australia	Record daily precipitation	9.1 mm (0.36 in)	11 of 100 (Routine)
Coonamble (Pier Pier)	Australia	Record daily precipitation	29.0 mm (1.1 in)	11 of 100 (Routine)
Zagreb-Gric	Croatia	Record low maximum temperature	7.9 C (46.2 F)	11 of 100 (Routine)
Millicent	Australia	Record daily precipitation	11.4 mm (0.4 in)	10 of 100 (Routine)
Goodooga (Brenda)	Australia	Record daily precipitation	23.4 mm (0.9 in)	10 of 100 (Routine)
Milliwindi	Australia	Record daily precipitation	25.9 mm (1.0 in)	10 of 100 (Routine)
Inverell Comparison	Australia	Record high minimum temperature	16.8 C (62.2 F)	10 of 100 (Routine)
Ny City Cntrl Park	United States	Record high minimum temperature	16.7 C (62.1 F)	9 of 100 (Routine)
Tulcumbah	Australia	Record daily precipitation	31.8 mm (1.3 in)	8 of 100 (Routine)
Taree (Radio Station 2Re)	Australia	Record daily precipitation	13.0 mm (0.5 in)	8 of 100 (Routine)
Chicoutimi	Canada	Record high maximum temperature	20.0 C (68.0 F)	8 of 100 (Routine)
Pilliga Post Office	Australia	Record daily precipitation	16.3 mm (0.6 in)	7 of 100 (Routine)
Wee Waa (George St)	Australia	Record daily precipitation	32.5 mm (1.3 in)	7 of 100 (Routine)
World Trade Ctr	United States	Record high minimum temperature	16.1 C (61.0 F)	7 of 100 (Routine)
Baltimore Customs House	United States	Record high minimum temperature	18.3 C (64.9 F)	7 of 100 (Routine)
State College	United States	Record high minimum temperature	15.0 C (59.0 F)	6 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	17.8 C (64.0 F)	6 of 100 (Routine)
Tamworth West	Australia	Record daily precipitation	26.2 mm (1.0 in)	5 of 100 (Routine)
Robe Comparison	Australia	Record low maximum temperature	13.6 C (56.5 F)	4 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	24.4 C (75.9 F)	3 of 100 (Routine)
Anticosti SW Point	Canada	Record high maximum temperature	15.6 C (60.1 F)	1 of 100 (Routine)

Counts by Type and Timescale

48 records

Records set or tied on 15 October 1915 by type: Highest daily maximum 4, Lowest daily maximum 2, Highest daily minimum 11, Lowest daily minimum 1, Heaviest daily rainfall 30.

Records on 15 October 1915 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	2
Highest daily minimum	11
Lowest daily minimum	1
Heaviest daily rainfall	30
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 October 1915 by timescale: all-time 0, monthly 0, daily 48.

How Much Records Were Beaten By

46 broken records

Margins by which the 46 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.6. Ties are not counted.

Top 20 by Significance

15 October 1915

Top 20 records on 15 October 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1915	Palermo, IT	daily rain	63.5 mm (2.5 in)	38.4 mm (1.5 in)	12 years	46 of 100 (Notable)
15 October 1915	Concordia ASOS, US	daily rain	72.1 mm (2.8 in)	54.6 mm (2.1 in)	15 years	46 of 100 (Notable)
15 October 1915	Brewon, AU	daily rain	45.5 mm (1.8 in)	43.2 mm (1.7 in)	4 years	44 of 100 (Notable)
15 October 1915	Walgett (Dungalear), AU	daily rain	40.4 mm (1.6 in)	14.0 mm (0.6 in)	31 years	26 of 100 (Routine)
15 October 1915	Newark Liberty Intl AP, US	daily high min	16.7 C (62.1 F)	0.6 C (1.1 F)	57 years	25 of 100 (Routine)
15 October 1915	Laurieton (Elouera St), AU	daily rain	36.3 mm (1.4 in)	25.4 mm (1.0 in)	28 years	24 of 100 (Routine)
15 October 1915	Nuwara Eliya, LK	daily low min	5.8 C (42.4 F)	1.5 C (2.7 F)	38 years	23 of 100 (Routine)
15 October 1915	Dumble, AU	daily rain	30.7 mm (1.2 in)	11.6 mm (0.5 in)	21 years	22 of 100 (Routine)
15 October 1915	Tamworth Airport, AU	daily rain	35.8 mm (1.4 in)	12.9 mm (0.5 in)	9 years	21 of 100 (Routine)
15 October 1915	Collarenebri (Albert St), AU	daily rain	28.4 mm (1.1 in)	14.9 mm (0.6 in)	9 years	20 of 100 (Routine)
15 October 1915	Manilla Post Office, AU	daily rain	38.1 mm (1.5 in)	12.2 mm (0.5 in)	18 years	20 of 100 (Routine)
15 October 1915	Blackville (Krui Vale), AU	daily rain	29.2 mm (1.1 in)	15.5 mm (0.6 in)	9 years	20 of 100 (Routine)
15 October 1915	Port Macquarie (Bellevue Garde, AU	daily rain	30.7 mm (1.2 in)	6.1 mm (0.24 in)	28 years	19 of 100 (Routine)
15 October 1915	Paterson, US	daily rain	5.1 mm (0.20 in)	1.3 mm (0.05 in)	46 years	19 of 100 (Routine)
15 October 1915	Philadelphia City, US	daily high min	17.2 C (63.0 F)	2.2 C (4.0 F)	35 years	19 of 100 (Routine)
15 October 1915	Washington, US	daily high min	18.3 C (64.9 F)	1.6 C (2.9 F)	35 years	19 of 100 (Routine)
15 October 1915	Bendemeer (Caroline St), AU	daily rain	43.2 mm (1.7 in)	7.4 mm (0.29 in)	28 years	17 of 100 (Routine)
15 October 1915	Somerton (Bective Estate), AU	daily rain	29.0 mm (1.1 in)	4.1 mm (0.16 in)	28 years	15 of 100 (Routine)
15 October 1915	Walcha Post Office, AU	daily rain	40.9 mm (1.6 in)	10.4 mm (0.4 in)	9 years	15 of 100 (Routine)
15 October 1915	Nuwara Eliya, LK	daily high max	23.4 C (74.1 F)	0.6 C (1.1 F)	26 years	15 of 100 (Routine)

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

1794 to 1915

Records set or tied on this calendar date in each year from 1794 to 1915. 1915 had 48 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1915-10-15: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	33
10 to 20	9
20 to 30	1
30 to 40	1
40 to 50	1
50 to 60	1