Weather Records on 15 May 1945

588 weather records were set or tied worldwide on 15 May 1945. Highest significance: Blackwarry, AU.

Key Facts for 15 May 1945

On 15 May 1945, 588 weather records were set or tied at long-record stations worldwide.
118 were record highs and 228 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 565 daily.
Blackwarry set a daily record precipitation of 95.3 mm (3.8 in) on 15 May 1945.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 430 records.

Record Map

588 stations

588 station records on 15 May 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Blackwarry	Australia	Record daily precipitation	95.3 mm (3.8 in)	51 of 100 (Notable)
Carrajung Post Office	Australia	Record daily precipitation	71.6 mm (2.8 in)	51 of 100 (Notable)
Stradbroke West (Inglenook)	Australia	Record daily precipitation	48.8 mm (1.9 in)	51 of 100 (Notable)
Mount Best (Upper Toora)	Australia	Record daily precipitation	51.3 mm (2.0 in)	47 of 100 (Notable)
Woodside	Australia	Record daily precipitation	31.8 mm (1.3 in)	45 of 100 (Notable)
White Peak	Australia	Record daily precipitation	51.1 mm (2.0 in)	44 of 100 (Notable)
Yuna	Australia	Record daily precipitation	42.2 mm (1.7 in)	44 of 100 (Notable)
Bologna	Italy	Record high minimum temperature	22.2 C (72.0 F)	44 of 100 (Notable)
Ogilvie	Australia	Record daily precipitation	68.1 mm (2.7 in)	43 of 100 (Notable)
Jindivick	Australia	Record daily precipitation	42.9 mm (1.7 in)	43 of 100 (Notable)
Hartsel	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Warburton	Australia	Record daily precipitation	58.2 mm (2.3 in)	42 of 100 (Notable)
Hvar	Croatia	Record high maximum temperature	33.0 C (91.4 F)	42 of 100 (Notable)
Aldivaloch (Budgeree)	Australia	Record daily precipitation	41.1 mm (1.6 in)	41 of 100 (Notable)
Beenak	Australia	Record daily precipitation	53.1 mm (2.1 in)	41 of 100 (Notable)
Milan	Italy	Record high maximum temperature	33.0 C (91.4 F)	41 of 100 (Notable)
Milan	Italy	Record high minimum temperature	20.2 C (68.4 F)	40 of 100 (Notable)
Montpelier	United States	Record daily precipitation	47.2 mm (1.9 in)	40 of 100 (Notable)
Yarragadee	Australia	Record daily precipitation	37.6 mm (1.5 in)	38 of 100 (Notable)
Braeside 1	Australia	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Healesville (Mount St Leonard)	Australia	Record daily precipitation	46.7 mm (1.8 in)	38 of 100 (Notable)
Karlstad	Sweden	Record snow depth	16.0 cm (6.3 in)	37 of 100 (Notable)
Maroondah Weir (Melbourne Wate	Australia	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)
Wokha	India	Record daily precipitation	113.8 mm (4.5 in)	36 of 100 (Notable)
Simcoe	Canada	Record low maximum temperature	9.4 C (48.9 F)	35 of 100 (Notable)
Lucan	Canada	Record daily precipitation	41.9 mm (1.6 in)	35 of 100 (Notable)
Strawberry North	Australia	Record daily precipitation	32.8 mm (1.3 in)	34 of 100 (Routine)
Jefferson City Wtp	United States	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Greenough	Australia	Record daily precipitation	38.9 mm (1.5 in)	33 of 100 (Routine)
Trunkey Creek (Trunkey (Black	Australia	Record daily precipitation	44.7 mm (1.8 in)	32 of 100 (Routine)
Booneville 3 W	United States	Record daily precipitation	96.0 mm (3.8 in)	32 of 100 (Routine)
Collegeville St Joe AP	United States	Record daily precipitation	54.9 mm (2.2 in)	31 of 100 (Routine)
Logansport Cicott St	United States	Record daily precipitation	50.8 mm (2.0 in)	31 of 100 (Routine)
Mexico	United States	Record daily precipitation	73.7 mm (2.9 in)	31 of 100 (Routine)
Zigzag Rs	United States	Record daily precipitation	36.3 mm (1.4 in)	31 of 100 (Routine)
Streator 2SE	United States	Record low maximum temperature	7.2 C (45.0 F)	30 of 100 (Routine)
Lawrence	United States	Record low minimum temperature	4.4 C (39.9 F)	30 of 100 (Routine)
Lexington Bluegrass AP	United States	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Martins	Brazil	Record daily precipitation	63.0 mm (2.5 in)	29 of 100 (Routine)
Westcliffe	United States	Record daily snowfall	6.4 cm (2.5 in)	29 of 100 (Routine)
La Salle Peru	United States	Record daily precipitation	26.4 mm (1.0 in)	29 of 100 (Routine)
Columbia City	United States	Record daily precipitation	53.8 mm (2.1 in)	29 of 100 (Routine)
W Lafayette 6 NW	United States	Record daily precipitation	53.1 mm (2.1 in)	29 of 100 (Routine)
Emporia 1 S	United States	Record low maximum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Cowles	United States	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Golspie (Ayrston)	Australia	Record daily precipitation	31.5 mm (1.2 in)	28 of 100 (Routine)
Stratford	Australia	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Traralgon	Australia	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Mt Ida 3 SE	United States	Record daily precipitation	69.9 mm (2.8 in)	28 of 100 (Routine)
Gembrook	Australia	Record daily precipitation	31.2 mm (1.2 in)	27 of 100 (Routine)
Haringhata	India	Record daily precipitation	44.5 mm (1.8 in)	27 of 100 (Routine)
Buena Vista 2S	United States	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Saint Leo	United States	Record daily precipitation	67.1 mm (2.6 in)	27 of 100 (Routine)
Eskridge	United States	Record low maximum temperature	6.7 C (44.1 F)	27 of 100 (Routine)
Wicka	Australia	Record daily precipitation	41.7 mm (1.6 in)	26 of 100 (Routine)
Vertentes	Brazil	Record daily precipitation	39.3 mm (1.5 in)	26 of 100 (Routine)
Winona Lake	United States	Record daily precipitation	65.5 mm (2.6 in)	26 of 100 (Routine)
Pratt 3NW	United States	Record low maximum temperature	8.9 C (48.0 F)	26 of 100 (Routine)
Danville	United States	Record daily precipitation	45.7 mm (1.8 in)	25 of 100 (Routine)
Hutchinson River	United States	Record low maximum temperature	6.7 C (44.1 F)	25 of 100 (Routine)

Counts by Type and Timescale

588 records

Records set or tied on 15 May 1945 by type: Highest daily maximum 45, Lowest daily maximum 180, Highest daily minimum 73, Lowest daily minimum 48, Heaviest daily rainfall 227, Heaviest daily snowfall 14, Deepest snow cover 1.

Records on 15 May 1945 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	180
Highest daily minimum	73
Lowest daily minimum	48
Heaviest daily rainfall	227
Heaviest daily snowfall	14
Deepest snow cover	1

Records on 15 May 1945 by timescale: all-time 0, monthly 23, daily 565.

How Much Records Were Beaten By

481 broken records

Margins by which the 481 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 160.0. Ties are not counted.

Top 20 by Significance

15 May 1945

Top 20 records on 15 May 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1945	Blackwarry, AU	daily rain	95.3 mm (3.8 in)	71.7 mm (2.8 in)	20 years	51 of 100 (Notable)
15 May 1945	Carrajung Post Office, AU	daily rain	71.6 mm (2.8 in)	52.5 mm (2.1 in)	20 years	51 of 100 (Notable)
15 May 1945	Stradbroke West (Inglenook), AU	daily rain	48.8 mm (1.9 in)	33.3 mm (1.3 in)	20 years	51 of 100 (Notable)
15 May 1945	Mount Best (Upper Toora), AU	daily rain	51.3 mm (2.0 in)	27.4 mm (1.1 in)	28 years	47 of 100 (Notable)
15 May 1945	Woodside, AU	daily rain	31.8 mm (1.3 in)	22.4 mm (0.9 in)	24 years	45 of 100 (Notable)
15 May 1945	White Peak, AU	daily rain	51.1 mm (2.0 in)	35.9 mm (1.4 in)	14 years	44 of 100 (Notable)
15 May 1945	Yuna, AU	daily rain	42.2 mm (1.7 in)	28.5 mm (1.1 in)	18 years	44 of 100 (Notable)
15 May 1945	Bologna, IT	daily high min	22.2 C (72.0 F)	1.6 C (2.9 F)	129 years	44 of 100 (Notable)
15 May 1945	Ogilvie, AU	monthly rain	68.1 mm (2.7 in)	22.4 mm (0.9 in)	15 years	43 of 100 (Notable)
15 May 1945	Jindivick, AU	daily rain	42.9 mm (1.7 in)	25.1 mm (1.0 in)	31 years	43 of 100 (Notable)
15 May 1945	Hartsel, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	35 years	43 of 100 (Notable)
15 May 1945	Warburton, AU	daily rain	58.2 mm (2.3 in)	32.5 mm (1.3 in)	14 years	42 of 100 (Notable)
15 May 1945	Hvar, HR	monthly high max	33.0 C (91.4 F)	2.3 C (4.1 F)	58 years	42 of 100 (Notable)
15 May 1945	Aldivaloch (Budgeree), AU	daily rain	41.1 mm (1.6 in)	25.9 mm (1.0 in)	8 years	41 of 100 (Notable)
15 May 1945	Beenak, AU	daily rain	53.1 mm (2.1 in)	19.1 mm (0.8 in)	58 years	41 of 100 (Notable)
15 May 1945	Milan, IT	daily high max	33.0 C (91.4 F)	3.0 C (5.4 F)	81 years	41 of 100 (Notable)
15 May 1945	Milan, IT	daily high min	20.2 C (68.4 F)	0.2 C (0.4 F)	161 years	40 of 100 (Notable)
15 May 1945	Montpelier, US	daily rain	47.2 mm (1.9 in)	24.8 mm (1.0 in)	36 years	40 of 100 (Notable)
15 May 1945	Yarragadee, AU	daily rain	37.6 mm (1.5 in)	24.6 mm (1.0 in)	18 years	38 of 100 (Notable)
15 May 1945	Braeside 1, AU	daily rain	34.0 mm (1.3 in)	23.3 mm (0.9 in)	32 years	38 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 1945

Records set or tied on this calendar date in each year from 1820 to 1945. 1945 had 588 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 1945-05-15: 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).

Margin	Records
0 to 20	441
20 to 40	28
40 to 60	8
60 to 80	2
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	2