Weather Records on 1 October 1915

65 weather records were set or tied worldwide on 1 October 1915. Highest significance: Calgary Int'l A, CA.

Key Facts for 1 October 1915

On 1 October 1915, 65 weather records were set or tied at long-record stations worldwide.
4 were record highs and 10 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 64 daily.
Calgary Int'l A set a monthly record daily precipitation of 45.7 mm (1.8 in) on 1 October 1915.
Across 161 earlier years (1813 to 2026) the same calendar date averaged 439 records.

Record Map

65 stations

65 station records on 1 October 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 October 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Calgary Int'l A	Canada	Record daily precipitation	45.7 mm (1.8 in)	50 of 100 (Notable)
Zagreb-Gric	Croatia	Record daily precipitation	72.4 mm (2.9 in)	46 of 100 (Notable)
Washington	United States	Record daily precipitation	57.7 mm (2.3 in)	38 of 100 (Notable)
Oran-Hopital Militaire	Algeria	Record low minimum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Baltimore Customs House	United States	Record daily precipitation	56.6 mm (2.2 in)	30 of 100 (Routine)
Morgantown 1	United States	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record low maximum temperature	19.0 C (66.2 F)	24 of 100 (Routine)
Aurora	Canada	Record daily precipitation	31.2 mm (1.2 in)	24 of 100 (Routine)
Toronto	Canada	Record daily precipitation	32.3 mm (1.3 in)	24 of 100 (Routine)
Albury	Australia	Record daily precipitation	29.5 mm (1.2 in)	23 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record daily precipitation	39.5 mm (1.6 in)	22 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record low maximum temperature	17.0 C (62.6 F)	21 of 100 (Routine)
Tilcha	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Howlong Post Office	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Chiltern (Post Office)	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	17.8 C (64.0 F)	19 of 100 (Routine)
Yamma	Australia	Record daily precipitation	6.4 mm (0.25 in)	19 of 100 (Routine)
Cudgewa North	Australia	Record daily precipitation	27.2 mm (1.1 in)	19 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record daily precipitation	18.6 mm (0.7 in)	19 of 100 (Routine)
St. Petersburg	Russia	Record daily precipitation	15.7 mm (0.6 in)	19 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	11.7 C (53.1 F)	18 of 100 (Routine)
Murphy 4ESE	United States	Record daily precipitation	29.5 mm (1.2 in)	18 of 100 (Routine)
Adelong Post Office	Australia	Record daily precipitation	16.3 mm (0.6 in)	17 of 100 (Routine)
White Cliffs (Tarella)	Australia	Record daily precipitation	9.4 mm (0.37 in)	16 of 100 (Routine)
White Cliffs (Yancannia)	Australia	Record daily precipitation	2.3 mm (0.09 in)	16 of 100 (Routine)
Nicosia	Cyprus	Record high maximum temperature	37.8 C (100.0 F)	16 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low minimum temperature	0.0 C (32.0 F)	16 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	23.3 C (73.9 F)	16 of 100 (Routine)
Kiandra Chalet	Australia	Record daily precipitation	42.4 mm (1.7 in)	15 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record daily precipitation	10.0 mm (0.4 in)	14 of 100 (Routine)
Charlotte Waters	Australia	Record daily precipitation	1.3 mm (0.05 in)	14 of 100 (Routine)
Blinman	Australia	Record daily precipitation	2.3 mm (0.09 in)	14 of 100 (Routine)
Tumbarumba 1	Australia	Record daily precipitation	27.9 mm (1.1 in)	14 of 100 (Routine)
Tarcutta Post Office	Australia	Record daily precipitation	13.2 mm (0.5 in)	13 of 100 (Routine)
Tarcutta	Australia	Record daily precipitation	13.2 mm (0.5 in)	13 of 100 (Routine)
Wahgunyah	Australia	Record daily precipitation	12.7 mm (0.5 in)	13 of 100 (Routine)
Owen Sound	Canada	Record low maximum temperature	6.7 C (44.1 F)	13 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record daily precipitation	10.9 mm (0.4 in)	12 of 100 (Routine)
Binya Post Office	Australia	Record daily precipitation	11.4 mm (0.4 in)	12 of 100 (Routine)
Melton	Australia	Record daily precipitation	9.1 mm (0.36 in)	12 of 100 (Routine)
Athens	United States	Record daily precipitation	14.5 mm (0.6 in)	12 of 100 (Routine)
Atlantic City Marina	United States	Record daily precipitation	22.1 mm (0.9 in)	12 of 100 (Routine)
Bourke Post Office	Australia	Record high maximum temperature	40.6 C (105.1 F)	11 of 100 (Routine)
Jerilderie (Yanko Station)	Australia	Record daily precipitation	8.6 mm (0.34 in)	11 of 100 (Routine)
Tallangatta Dcnr	Australia	Record daily precipitation	28.7 mm (1.1 in)	11 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	24.6 mm (1.0 in)	11 of 100 (Routine)
Momba	Australia	Record daily precipitation	5.8 mm (0.23 in)	10 of 100 (Routine)
Paika	Australia	Record daily precipitation	1.3 mm (0.05 in)	10 of 100 (Routine)
Tizi Ouzou	Algeria	Record daily precipitation	14.1 mm (0.6 in)	9 of 100 (Routine)
Walwa	Australia	Record daily precipitation	16.5 mm (0.6 in)	9 of 100 (Routine)
Regensburg	Germany	Record low maximum temperature	9.9 C (49.8 F)	9 of 100 (Routine)
Sveg	Sweden	Record low maximum temperature	3.0 C (37.4 F)	9 of 100 (Routine)
Temora Ambulance Station	Australia	Record daily precipitation	4.6 mm (0.18 in)	7 of 100 (Routine)
Lake Cargelligo Airport	Australia	Record daily precipitation	2.5 mm (0.10 in)	7 of 100 (Routine)
Harnosand	Sweden	Record low maximum temperature	5.5 C (41.9 F)	7 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	17.8 mm (0.7 in)	6 of 100 (Routine)
Uniondale (Tnk)	South Africa	Record daily precipitation	5.8 mm (0.23 in)	6 of 100 (Routine)
Gammon Ranges (Wooltana)	Australia	Record daily precipitation	1.0 mm (0.04 in)	5 of 100 (Routine)
Carrieton	Australia	Record daily precipitation	5.3 mm (0.21 in)	4 of 100 (Routine)
Bjuraker	Sweden	Record daily precipitation	8.5 mm (0.33 in)	4 of 100 (Routine)

Counts by Type and Timescale

65 records

Records set or tied on 1 October 1915 by type: Highest daily maximum 2, Lowest daily maximum 8, Highest daily minimum 2, Lowest daily minimum 2, Heaviest daily rainfall 51.

Records on 1 October 1915 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	8
Highest daily minimum	2
Lowest daily minimum	2
Heaviest daily rainfall	51
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 October 1915 by timescale: all-time 0, monthly 1, daily 64.

How Much Records Were Beaten By

60 broken records

Margins by which the 60 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.1. Ties are not counted.

Top 20 by Significance

1 October 1915

Top 20 records on 1 October 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 October 1915	Calgary Int'l A, CA	monthly rain	45.7 mm (1.8 in)	16.0 mm (0.6 in)	0 years	50 of 100 (Notable)
1 October 1915	Zagreb-Gric, HR	daily rain	72.4 mm (2.9 in)	43.1 mm (1.7 in)	4 years	46 of 100 (Notable)
1 October 1915	Washington, US	daily rain	57.7 mm (2.3 in)	41.2 mm (1.6 in)	12 years	38 of 100 (Notable)
1 October 1915	Oran-Hopital Militaire, DZ	daily low min	10.0 C (50.0 F)	3.0 C (5.4 F)	61 years	35 of 100 (Notable)
1 October 1915	Baltimore Customs House, US	daily rain	56.6 mm (2.2 in)	28.4 mm (1.1 in)	12 years	30 of 100 (Routine)
1 October 1915	Morgantown 1, US	daily rain	30.5 mm (1.2 in)	11.4 mm (0.4 in)	39 years	25 of 100 (Routine)
1 October 1915	Oran-Hopital Militaire, DZ	daily low max	19.0 C (66.2 F)	3.0 C (5.4 F)	27 years	24 of 100 (Routine)
1 October 1915	Aurora, CA	daily rain	31.2 mm (1.2 in)	19.3 mm (0.8 in)	4 years	24 of 100 (Routine)
1 October 1915	Toronto, CA	daily rain	32.3 mm (1.3 in)	2.1 mm (0.08 in)	50 years	24 of 100 (Routine)
1 October 1915	Albury, AU	daily rain	29.5 mm (1.2 in)	2.6 mm (0.10 in)	54 years	23 of 100 (Routine)
1 October 1915	Algiers-Ville/Universite, DZ	daily rain	39.5 mm (1.6 in)	23.5 mm (0.9 in)	10 years	22 of 100 (Routine)
1 October 1915	Sidi-Bel-Abbes, DZ	daily low max	17.0 C (62.6 F)	4.2 C (7.6 F)	31 years	21 of 100 (Routine)
1 October 1915	Tilcha, AU	daily rain	20.3 mm (0.8 in)	20.3 mm (0.8 in)	30 years	20 of 100 (Routine)
1 October 1915	Howlong Post Office, AU	daily rain	22.1 mm (0.9 in)	13.2 mm (0.5 in)	21 years	20 of 100 (Routine)
1 October 1915	Chiltern (Post Office), AU	daily rain	18.8 mm (0.7 in)	11.2 mm (0.4 in)	21 years	20 of 100 (Routine)
1 October 1915	Sydney (Observatory Hill), AU	daily high min	17.8 C (64.0 F)	0.3 C (0.5 F)	45 years	19 of 100 (Routine)
1 October 1915	Yamma, AU	daily rain	6.4 mm (0.25 in)	5.6 mm (0.22 in)	30 years	19 of 100 (Routine)
1 October 1915	Cudgewa North, AU	daily rain	27.2 mm (1.1 in)	8.4 mm (0.33 in)	24 years	19 of 100 (Routine)
1 October 1915	Dublin Phoenix Park, IE	daily rain	18.6 mm (0.7 in)	6.2 mm (0.24 in)	19 years	19 of 100 (Routine)
1 October 1915	St. Petersburg, RU	daily rain	15.7 mm (0.6 in)	4.7 mm (0.19 in)	12 years	19 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

1813 to 1915

Records set or tied on this calendar date in each year from 1813 to 1915. 1915 had 65 records.

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

Records on 10-01 in each year
Year	Records
1813	1
1814	1
1817	1
1819	1
1820	2
1823	1
1828	1
1845	1
1847	2
1861	1
1865	1
1866	1
1869	1
1870	1
1871	1
1874	4
1876	1
1877	3
1879	1
1881	6
1882	1
1883	1
1884	1
1886	1
1888	3
1889	1
1890	4
1891	1
1892	1
1893	9
1894	4
1895	1
1897	7
1898	1
1899	16
1900	2
1901	4
1902	16
1903	9
1904	8
1905	8
1906	11
1907	11
1908	20
1909	14
1910	12
1911	34
1912	37
1913	20
1914	28
1915	65
1916	105
1917	52
1918	20
1919	25
1920	98
1921	129
1922	160
1923	158
1924	86
1925	135
1926	181
1927	754
1928	129
1929	158
1930	106
1931	237
1932	220
1933	519
1934	188
1935	201
1936	388
1937	453
1938	284
1939	283
1940	207
1941	425
1942	290
1943	324
1944	583
1945	677
1946	486
1947	867
1948	271
1949	254
1950	1,019
1951	521
1952	712
1953	656
1954	976
1955	280
1956	260
1957	646
1958	1,050
1959	1,306
1960	143
1961	566
1962	376
1963	598
1964	312
1965	521
1966	646
1967	437
1968	426
1969	454
1970	275
1971	1,449
1972	625
1973	418
1974	1,104
1975	561
1976	854
1977	1,097
1978	492
1979	488
1980	600
1981	785
1982	733
1983	783
1984	1,266
1985	1,621
1986	1,476
1987	648
1988	502
1989	739
1990	612
1991	1,020
1992	1,392
1993	1,042
1994	580
1995	746
1996	1,007
1997	1,080
1998	1,345
1999	1,096
2000	1,006
2001	924
2002	951
2003	1,198
2004	826
2005	902
2006	806
2007	726
2008	573
2009	1,051
2010	1,093
2011	1,324
2012	647
2013	515
2014	397
2015	729
2016	473
2017	472
2018	694
2019	2,439
2020	566
2021	753
2022	609
2023	1,173
2024	751
2025	384
2026	553

Download the Data

Data for records on 1915-10-01: 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).

Histogram of margins by which records were beaten on 1 October 1915
Margin	Records
0 to 10	48
10 to 20	6
20 to 30	4
30 to 40	0
40 to 50	2