Weather Records on 12 May 1915

50 weather records were set or tied worldwide on 12 May 1915. Highest significance: Oxford, GB.

Key Facts for 12 May 1915

On 12 May 1915, 50 weather records were set or tied at long-record stations worldwide.
8 were record highs and 12 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 50 daily.
Oxford set a daily record low maximum temperature of 7.1 C (44.8 F) on 12 May 1915.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 455 records.

Record Map

50 stations

50 station records on 12 May 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Oxford	United Kingdom	Record low maximum temperature	7.1 C (44.8 F)	37 of 100 (Notable)
Booleroo (Wimont)	Australia	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Camden 3 W	United States	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Melbourne Regional Office	Australia	Record low minimum temperature	2.1 C (35.8 F)	23 of 100 (Routine)
Peddie (Mag)	South Africa	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Dalhousie	Canada	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Sacramento 5 ESE	United States	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Somerset East	South Africa	Record daily precipitation	11.4 mm (0.4 in)	19 of 100 (Routine)
Athens	United States	Record daily precipitation	27.7 mm (1.1 in)	17 of 100 (Routine)
World Trade Ctr	United States	Record daily precipitation	21.8 mm (0.9 in)	17 of 100 (Routine)
Yanco Glen (Corona Homestead)	Australia	Record daily precipitation	29.2 mm (1.1 in)	16 of 100 (Routine)
Hambantota	Sri Lanka	Record high minimum temperature	26.8 C (80.2 F)	16 of 100 (Routine)
Cullendale	South Africa	Record daily precipitation	6.6 mm (0.26 in)	16 of 100 (Routine)
Wentworth (Cuthero)	Australia	Record daily precipitation	17.8 mm (0.7 in)	15 of 100 (Routine)
Bic	Canada	Record daily precipitation	22.9 mm (0.9 in)	15 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record low maximum temperature	8.5 C (47.3 F)	15 of 100 (Routine)
Moonaree	Australia	Record daily precipitation	6.1 mm (0.24 in)	14 of 100 (Routine)
Casino Airport	Australia	Record daily precipitation	13.5 mm (0.5 in)	14 of 100 (Routine)
Nordby (Fano)	Denmark	Record low maximum temperature	7.4 C (45.3 F)	14 of 100 (Routine)
Niznij Novgorod	Russia	Record daily precipitation	7.9 mm (0.31 in)	14 of 100 (Routine)
Darwin Post Office	Australia	Record high minimum temperature	26.3 C (79.3 F)	13 of 100 (Routine)
Goorimpa	Australia	Record daily precipitation	0.8 mm (0.03 in)	13 of 100 (Routine)
Vestervig	Denmark	Record low maximum temperature	7.0 C (44.6 F)	13 of 100 (Routine)
Hvar	Croatia	Record high minimum temperature	18.0 C (64.4 F)	13 of 100 (Routine)
Cet Central England	United Kingdom	Record low maximum temperature	6.9 C (44.4 F)	13 of 100 (Routine)
Pointe Au Pere	Canada	Record daily precipitation	10.2 mm (0.4 in)	12 of 100 (Routine)
Fir Glen	South Africa	Record daily precipitation	10.4 mm (0.4 in)	12 of 100 (Routine)
Grahamstown	South Africa	Record daily precipitation	16.3 mm (0.6 in)	12 of 100 (Routine)
Portland	United States	Record high maximum temperature	27.2 C (81.0 F)	12 of 100 (Routine)
Murphy 4ESE	United States	Record daily precipitation	10.4 mm (0.4 in)	12 of 100 (Routine)
Fort Beaufort	South Africa	Record daily precipitation	9.1 mm (0.36 in)	11 of 100 (Routine)
Santa Fe	United States	Record high minimum temperature	11.7 C (53.1 F)	11 of 100 (Routine)
Yardea	Australia	Record daily precipitation	8.6 mm (0.34 in)	10 of 100 (Routine)
Komga (Pol)	South Africa	Record daily precipitation	6.9 mm (0.27 in)	10 of 100 (Routine)
Aurora	Canada	Record daily precipitation	12.7 mm (0.5 in)	9 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	18.0 mm (0.7 in)	9 of 100 (Routine)
Calgary Int'l A	Canada	Record daily precipitation	12.2 mm (0.5 in)	8 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record high minimum temperature	6.4 C (43.5 F)	8 of 100 (Routine)
Belton (Shadow Vale)	Australia	Record daily precipitation	8.4 mm (0.33 in)	7 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	3.3 C (37.9 F)	7 of 100 (Routine)
Huron Rgnl AP	United States	Record high maximum temperature	31.1 C (88.0 F)	7 of 100 (Routine)
Tbilisi	Georgia	Record low minimum temperature	4.3 C (39.7 F)	5 of 100 (Routine)
Mahackala	Russia	Record low minimum temperature	4.1 C (39.4 F)	5 of 100 (Routine)
Tranebjerg	Denmark	Record low maximum temperature	8.0 C (46.4 F)	4 of 100 (Routine)
Greenville Dwtn AP	United States	Record low maximum temperature	18.9 C (66.0 F)	4 of 100 (Routine)
Greenville Dwtn AP	United States	Record daily precipitation	18.8 mm (0.7 in)	4 of 100 (Routine)
Woomera (Oakden Hills)	Australia	Record daily precipitation	3.0 mm (0.12 in)	2 of 100 (Routine)
Stornoway Airport	United Kingdom	Record low maximum temperature	6.1 C (43.0 F)	2 of 100 (Routine)
Morgantown 1	United States	Record daily precipitation	19.1 mm (0.8 in)	2 of 100 (Routine)
Buffalo	United States	Record high minimum temperature	15.0 C (59.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

50 records

Records set or tied on 12 May 1915 by type: Highest daily maximum 2, Lowest daily maximum 8, Highest daily minimum 6, Lowest daily minimum 4, Heaviest daily rainfall 30.

Records on 12 May 1915 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	8
Highest daily minimum	6
Lowest daily minimum	4
Heaviest daily rainfall	30
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 May 1915 by timescale: all-time 0, monthly 0, daily 50.

How Much Records Were Beaten By

45 broken records

Margins by which the 45 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 27.0. Ties are not counted.

Top 20 by Significance

12 May 1915

Top 20 records on 12 May 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1915	Oxford, GB	daily low max	7.1 C (44.8 F)	0.1 C (0.2 F)	90 years	37 of 100 (Notable)
12 May 1915	Booleroo (Wimont), AU	daily rain	29.2 mm (1.1 in)	21.6 mm (0.9 in)	4 years	32 of 100 (Routine)
12 May 1915	Camden 3 W, US	daily rain	35.6 mm (1.4 in)	27.0 mm (1.1 in)	19 years	28 of 100 (Routine)
12 May 1915	Melbourne Regional Office, AU	daily low min	2.1 C (35.8 F)	2.2 C (4.0 F)	35 years	23 of 100 (Routine)
12 May 1915	Peddie (Mag), ZA	daily rain	24.1 mm (0.9 in)	20.8 mm (0.8 in)	29 years	20 of 100 (Routine)
12 May 1915	Dalhousie, CA	daily rain	8.9 mm (0.35 in)	6.6 mm (0.26 in)	33 years	20 of 100 (Routine)
12 May 1915	Sacramento 5 ESE, US	daily rain	8.4 mm (0.33 in)	5.6 mm (0.22 in)	34 years	20 of 100 (Routine)
12 May 1915	Somerset East, ZA	daily rain	11.4 mm (0.4 in)	6.8 mm (0.27 in)	32 years	19 of 100 (Routine)
12 May 1915	Athens, US	daily rain	27.7 mm (1.1 in)	3.1 mm (0.12 in)	27 years	17 of 100 (Routine)
12 May 1915	World Trade Ctr, US	daily rain	21.8 mm (0.9 in)	4.8 mm (0.19 in)	32 years	17 of 100 (Routine)
12 May 1915	Yanco Glen (Corona Homestead), AU	daily rain	29.2 mm (1.1 in)	11.4 mm (0.4 in)	8 years	16 of 100 (Routine)
12 May 1915	Hambantota, LK	daily high min	26.8 C (80.2 F)	0.1 C (0.2 F)	40 years	16 of 100 (Routine)
12 May 1915	Cullendale, ZA	daily rain	6.6 mm (0.26 in)	6.6 mm (0.26 in)	29 years	16 of 100 (Routine)
12 May 1915	Wentworth (Cuthero), AU	daily rain	17.8 mm (0.7 in)	3.6 mm (0.14 in)	30 years	15 of 100 (Routine)
12 May 1915	Bic, CA	daily rain	22.9 mm (0.9 in)	5.1 mm (0.20 in)	19 years	15 of 100 (Routine)
12 May 1915	Koebenhavn: Landbohojskolen-1, DK	daily low max	8.5 C (47.3 F)	1.5 C (2.7 F)	29 years	15 of 100 (Routine)
12 May 1915	Moonaree, AU	daily rain	6.1 mm (0.24 in)	3.8 mm (0.15 in)	23 years	14 of 100 (Routine)
12 May 1915	Casino Airport, AU	daily rain	13.5 mm (0.5 in)	3.8 mm (0.15 in)	23 years	14 of 100 (Routine)
12 May 1915	Nordby (Fano), DK	daily low max	7.4 C (45.3 F)	0.9 C (1.6 F)	26 years	14 of 100 (Routine)
12 May 1915	Niznij Novgorod, RU	daily rain	7.9 mm (0.31 in)	2.1 mm (0.08 in)	27 years	14 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

1814 to 1915

Records set or tied on this calendar date in each year from 1814 to 1915. 1915 had 50 records.

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

Records on 05-12 in each year
Year	Records
1814	2
1823	1
1825	1
1827	1
1834	1
1837	1
1838	1
1845	1
1847	1
1848	1
1849	2
1851	1
1855	2
1860	2
1862	2
1863	1
1867	1
1868	1
1872	2
1874	1
1877	1
1878	1
1879	1
1881	4
1882	5
1884	3
1885	2
1886	3
1887	1
1888	1
1889	1
1890	1
1891	4
1894	1
1895	1
1896	1
1897	7
1898	3
1900	3
1901	6
1902	5
1903	7
1904	11
1905	10
1906	20
1907	53
1908	12
1909	4
1910	9
1911	37
1912	46
1913	6
1914	36
1915	50
1916	42
1917	54
1918	113
1919	42
1920	19
1921	64
1922	43
1923	109
1924	245
1925	275
1926	121
1927	167
1928	192
1929	172
1930	500
1931	350
1932	199
1933	476
1934	293
1935	404
1936	329
1937	214
1938	394
1939	233
1940	440
1941	568
1942	418
1943	803
1944	368
1945	389
1946	653
1947	286
1948	390
1949	414
1950	283
1951	427
1952	711
1953	891
1954	305
1955	265
1956	1,568
1957	454
1958	714
1959	740
1960	1,583
1961	381
1962	713
1963	777
1964	401
1965	196
1966	909
1967	810
1968	890
1969	506
1970	698
1971	668
1972	641
1973	393
1974	702
1975	418
1976	541
1977	855
1978	802
1979	763
1980	684
1981	855
1982	763
1983	1,281
1984	887
1985	1,199
1986	473
1987	1,295
1988	619
1989	856
1990	617
1991	1,177
1992	1,022
1993	1,208
1994	738
1995	1,190
1996	1,420
1997	921
1998	1,576
1999	881
2000	1,486
2001	1,015
2002	1,027
2003	861
2004	1,054
2005	1,369
2006	797
2007	630
2008	858
2009	687
2010	1,250
2011	1,119
2012	660
2013	689
2014	949
2015	958
2016	421
2017	529
2018	819
2019	784
2020	1,338
2021	712
2022	1,930
2023	429
2024	447
2025	940
2026	1,110

Download the Data

Data for records on 1915-05-12: 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 5	33
5 to 10	8
10 to 15	1
15 to 20	0
20 to 25	2
25 to 30	1