Weather Records on 15 May 1915

236 weather records were set or tied worldwide on 15 May 1915. Highest significance: Dubbo (Darling Street), AU.

Key Facts for 15 May 1915

On 15 May 1915, 236 weather records were set or tied at long-record stations worldwide.
6 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 24 monthly and 212 daily.
Dubbo (Darling Street) set a monthly record daily precipitation of 79.0 mm (3.1 in) on 15 May 1915.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 432 records.

Record Map

236 stations

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

Weather records on 15 May 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dubbo (Darling Street)	Australia	Record daily precipitation	79.0 mm (3.1 in)	57 of 100 (Notable)
Mundarlo (Yabtree)	Australia	Record daily precipitation	47.0 mm (1.9 in)	53 of 100 (Notable)
Dubbo (Wilbertree)	Australia	Record daily precipitation	88.9 mm (3.5 in)	47 of 100 (Notable)
Boorara	Australia	Record daily precipitation	39.1 mm (1.5 in)	45 of 100 (Notable)
Wellington (Agrowplow)	Australia	Record daily precipitation	90.2 mm (3.6 in)	45 of 100 (Notable)
Tarcutta Post Office	Australia	Record daily precipitation	39.6 mm (1.6 in)	45 of 100 (Notable)
Tarcutta	Australia	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Warren (Eenaweena)	Australia	Record daily precipitation	58.7 mm (2.3 in)	44 of 100 (Notable)
Adelong Post Office	Australia	Record daily precipitation	71.4 mm (2.8 in)	44 of 100 (Notable)
Temora Ambulance Station	Australia	Record daily precipitation	51.1 mm (2.0 in)	44 of 100 (Notable)
Wantabadgery	Australia	Record daily precipitation	52.3 mm (2.1 in)	44 of 100 (Notable)
Qu'appelle	Canada	Record daily precipitation	60.5 mm (2.4 in)	44 of 100 (Notable)
Medicine Hat A	Canada	Record daily precipitation	34.8 mm (1.4 in)	43 of 100 (Notable)
Holmogadd A	Sweden	Record daily precipitation	38.4 mm (1.5 in)	43 of 100 (Notable)
Trangie (Old Bundemar)	Australia	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Bathurst Gaol	Australia	Record daily precipitation	35.1 mm (1.4 in)	40 of 100 (Notable)
Merigal	Australia	Record daily precipitation	63.8 mm (2.5 in)	39 of 100 (Notable)
Quantambone	Australia	Record daily precipitation	42.7 mm (1.7 in)	38 of 100 (Notable)
Chaplin	Canada	Record daily precipitation	37.8 mm (1.5 in)	37 of 100 (Notable)
Hungerford	Australia	Record daily precipitation	49.0 mm (1.9 in)	35 of 100 (Notable)
Warren (Mumblebone)	Australia	Record daily precipitation	48.0 mm (1.9 in)	35 of 100 (Notable)
Mudgee (George Street)	Australia	Record daily precipitation	73.9 mm (2.9 in)	35 of 100 (Notable)
Charlton	Australia	Record daily precipitation	50.0 mm (2.0 in)	34 of 100 (Routine)
Warraweena	Australia	Record daily precipitation	51.1 mm (2.0 in)	34 of 100 (Routine)
Bourke Post Office	Australia	Record daily precipitation	45.5 mm (1.8 in)	33 of 100 (Routine)
Marsden (Merungle)	Australia	Record daily precipitation	38.6 mm (1.5 in)	33 of 100 (Routine)
Enngonia (Morton Plains)	Australia	Record daily precipitation	30.7 mm (1.2 in)	32 of 100 (Routine)
Willeroon	Australia	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Glen Innes Post Office	Australia	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Collerina (Corrella)	Australia	Record daily precipitation	31.5 mm (1.2 in)	30 of 100 (Routine)
Narromine (Mumble Peg)	Australia	Record daily precipitation	68.6 mm (2.7 in)	30 of 100 (Routine)
Molong (King St)	Australia	Record daily precipitation	42.2 mm (1.7 in)	30 of 100 (Routine)
Brewarrina Hospital	Australia	Record daily precipitation	42.2 mm (1.7 in)	29 of 100 (Routine)
Coonamble (Nardoo)	Australia	Record daily precipitation	28.7 mm (1.1 in)	29 of 100 (Routine)
Tonderburine	Australia	Record daily precipitation	52.1 mm (2.1 in)	29 of 100 (Routine)
Pilliga Post Office	Australia	Record daily precipitation	50.8 mm (2.0 in)	28 of 100 (Routine)
Tumbarumba 1	Australia	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Tallangatta Dcnr	Australia	Record daily precipitation	46.2 mm (1.8 in)	27 of 100 (Routine)
Talyealye	Australia	Record daily precipitation	40.6 mm (1.6 in)	26 of 100 (Routine)
East Toorale (Toorale Station)	Australia	Record daily precipitation	36.3 mm (1.4 in)	26 of 100 (Routine)
Belaringar Station	Australia	Record daily precipitation	63.0 mm (2.5 in)	26 of 100 (Routine)
Box Cowell	Australia	Record daily precipitation	64.3 mm (2.5 in)	26 of 100 (Routine)
Walgett (Goangra)	Australia	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Albury	Australia	Record daily precipitation	39.6 mm (1.6 in)	26 of 100 (Routine)
Mittagong Head Station	Australia	Record daily precipitation	26.9 mm (1.1 in)	26 of 100 (Routine)
Urana Post Office	Australia	Record daily precipitation	42.4 mm (1.7 in)	26 of 100 (Routine)
Hillview	Canada	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Bulgandramine	Australia	Record daily precipitation	34.5 mm (1.4 in)	25 of 100 (Routine)
Hill End Post Office	Australia	Record daily precipitation	68.3 mm (2.7 in)	25 of 100 (Routine)
Pinnacle	Australia	Record daily precipitation	36.3 mm (1.4 in)	25 of 100 (Routine)
Round Hill	Australia	Record daily precipitation	34.0 mm (1.3 in)	25 of 100 (Routine)
Coonamble (Wingadee)	Australia	Record daily precipitation	26.2 mm (1.0 in)	24 of 100 (Routine)
Holbrook (Rsl)	Australia	Record daily precipitation	31.5 mm (1.2 in)	24 of 100 (Routine)
Merungle	Australia	Record daily precipitation	29.5 mm (1.2 in)	23 of 100 (Routine)
Lake Cowal	Australia	Record daily precipitation	26.2 mm (1.0 in)	23 of 100 (Routine)
Rylstone (Ilford Rd)	Australia	Record daily precipitation	68.8 mm (2.7 in)	23 of 100 (Routine)
Orange Post Office	Australia	Record daily precipitation	35.8 mm (1.4 in)	23 of 100 (Routine)
Cadia	Australia	Record daily precipitation	28.7 mm (1.1 in)	23 of 100 (Routine)
Cudal Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	23 of 100 (Routine)
Narra Allen	Australia	Record daily precipitation	26.4 mm (1.0 in)	23 of 100 (Routine)

Counts by Type and Timescale

236 records

Records set or tied on 15 May 1915 by type: Lowest daily maximum 14, Highest daily minimum 6, Lowest daily minimum 6, Heaviest daily rainfall 210.

Records on 15 May 1915 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	14
Highest daily minimum	6
Lowest daily minimum	6
Heaviest daily rainfall	210
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 May 1915 by timescale: all-time 0, monthly 24, daily 212.

How Much Records Were Beaten By

218 broken records

Margins by which the 218 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 47.8. Ties are not counted.

Top 20 by Significance

15 May 1915

Top 20 records on 15 May 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1915	Dubbo (Darling Street), AU	monthly rain	79.0 mm (3.1 in)	32.8 mm (1.3 in)	32 years	57 of 100 (Notable)
15 May 1915	Mundarlo (Yabtree), AU	daily rain	47.0 mm (1.9 in)	36.8 mm (1.4 in)	35 years	53 of 100 (Notable)
15 May 1915	Dubbo (Wilbertree), AU	monthly rain	88.9 mm (3.5 in)	30.2 mm (1.2 in)	17 years	47 of 100 (Notable)
15 May 1915	Boorara, AU	daily rain	39.1 mm (1.5 in)	35.8 mm (1.4 in)	8 years	45 of 100 (Notable)
15 May 1915	Wellington (Agrowplow), AU	monthly rain	90.2 mm (3.6 in)	24.4 mm (1.0 in)	32 years	45 of 100 (Notable)
15 May 1915	Tarcutta Post Office, AU	daily rain	39.6 mm (1.6 in)	26.1 mm (1.0 in)	39 years	45 of 100 (Notable)
15 May 1915	Tarcutta, AU	daily rain	38.1 mm (1.5 in)	24.6 mm (1.0 in)	39 years	45 of 100 (Notable)
15 May 1915	Warren (Eenaweena), AU	daily rain	58.7 mm (2.3 in)	47.8 mm (1.9 in)	5 years	44 of 100 (Notable)
15 May 1915	Adelong Post Office, AU	monthly rain	71.4 mm (2.8 in)	21.4 mm (0.8 in)	26 years	44 of 100 (Notable)
15 May 1915	Temora Ambulance Station, AU	daily rain	51.1 mm (2.0 in)	42.2 mm (1.7 in)	5 years	44 of 100 (Notable)
15 May 1915	Wantabadgery, AU	daily rain	52.3 mm (2.1 in)	44.4 mm (1.7 in)	5 years	44 of 100 (Notable)
15 May 1915	Qu'appelle, CA	daily rain	60.5 mm (2.4 in)	41.4 mm (1.6 in)	4 years	44 of 100 (Notable)
15 May 1915	Medicine Hat A, CA	daily rain	34.8 mm (1.4 in)	29.2 mm (1.1 in)	8 years	43 of 100 (Notable)
15 May 1915	Holmogadd A, SE	monthly rain	38.4 mm (1.5 in)	13.3 mm (0.5 in)	2 years	43 of 100 (Notable)
15 May 1915	Trangie (Old Bundemar), AU	daily rain	46.0 mm (1.8 in)	31.8 mm (1.3 in)	21 years	40 of 100 (Notable)
15 May 1915	Bathurst Gaol, AU	daily rain	35.1 mm (1.4 in)	23.7 mm (0.9 in)	31 years	40 of 100 (Notable)
15 May 1915	Merigal, AU	monthly rain	63.8 mm (2.5 in)	19.3 mm (0.8 in)	23 years	39 of 100 (Notable)
15 May 1915	Quantambone, AU	daily rain	42.7 mm (1.7 in)	25.4 mm (1.0 in)	33 years	38 of 100 (Notable)
15 May 1915	Chaplin, CA	daily rain	37.8 mm (1.5 in)	25.1 mm (1.0 in)	4 years	37 of 100 (Notable)
15 May 1915	Hungerford, AU	monthly rain	49.0 mm (1.9 in)	13.7 mm (0.5 in)	22 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

1820 to 1915

Records set or tied on this calendar date in each year from 1820 to 1915. 1915 had 236 records.

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

Records on 05-15 in each year
Year	Records
1820	1
1825	1
1831	1
1832	1
1837	2
1845	1
1847	2
1848	1
1855	2
1857	2
1859	1
1862	1
1863	1
1865	1
1866	2
1867	1
1868	2
1870	1
1871	3
1874	2
1876	4
1878	1
1879	2
1881	1
1883	1
1885	1
1886	2
1888	3
1891	3
1893	5
1894	2
1895	4
1896	2
1897	4
1898	3
1899	9
1900	9
1901	2
1902	9
1903	4
1904	13
1905	16
1906	10
1907	27
1908	25
1909	89
1910	27
1911	27
1912	26
1913	60
1914	16
1915	236
1916	27
1917	80
1918	133
1919	25
1920	58
1921	92
1922	30
1923	125
1924	174
1925	100
1926	161
1927	191
1928	144
1929	161
1930	136
1931	459
1932	368
1933	439
1934	227
1935	288
1936	372
1937	373
1938	393
1939	351
1940	179
1941	454
1942	701
1943	568
1944	630
1945	588
1946	238
1947	334
1948	264
1949	363
1950	260
1951	736
1952	476
1953	426
1954	355
1955	538
1956	466
1957	521
1958	605
1959	764
1960	291
1961	508
1962	1,128
1963	782
1964	347
1965	320
1966	389
1967	609
1968	1,019
1969	790
1970	512
1971	351
1972	484
1973	818
1974	1,230
1975	372
1976	803
1977	1,186
1978	922
1979	404
1980	625
1981	586
1982	500
1983	1,215
1984	1,059
1985	649
1986	679
1987	1,073
1988	643
1989	552
1990	776
1991	1,179
1992	944
1993	784
1994	910
1995	1,750
1996	1,452
1997	1,175
1998	1,641
1999	810
2000	850
2001	1,280
2002	801
2003	1,023
2004	1,046
2005	767
2006	955
2007	949
2008	995
2009	675
2010	1,088
2011	1,298
2012	751
2013	1,081
2014	1,411
2015	717
2016	890
2017	435
2018	1,074
2019	627
2020	472
2021	412
2022	847
2023	566
2024	596
2025	801
2026	481

Download the Data

Data for records on 1915-05-15: 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).

Histogram of margins by which records were beaten on 15 May 1915
Margin	Records
0 to 10	130
10 to 20	54
20 to 30	24
30 to 40	6
40 to 50	4