Weather Records on 15 May 1942

701 weather records were set or tied worldwide on 15 May 1942. Highest significance: Peterborough, CA.

Key Facts for 15 May 1942

On 15 May 1942, 701 weather records were set or tied at long-record stations worldwide.
103 were record highs and 208 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 691 daily.
Peterborough set a daily record precipitation of 50.0 mm (2.0 in) on 15 May 1942.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 429 records.

Record Map

701 stations

701 station records on 15 May 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Peterborough	Canada	Record daily precipitation	50.0 mm (2.0 in)	65 of 100 (Major)
Mount Florance	Australia	Record daily precipitation	61.0 mm (2.4 in)	60 of 100 (Major)
Hamilton	Canada	Record daily precipitation	57.9 mm (2.3 in)	56 of 100 (Notable)
Lindsay	Canada	Record daily precipitation	35.6 mm (1.4 in)	55 of 100 (Notable)
Woodbrook	Australia	Record daily precipitation	147.1 mm (5.8 in)	53 of 100 (Notable)
Cunyu Shearing Shed	Australia	Record daily precipitation	55.4 mm (2.2 in)	52 of 100 (Notable)
Hattiesburg 5SW	United States	Record daily precipitation	156.5 mm (6.2 in)	52 of 100 (Notable)
Poronajsk	Russia	Record daily precipitation	45.2 mm (1.8 in)	51 of 100 (Notable)
Banner Elk	United States	Record daily precipitation	91.4 mm (3.6 in)	51 of 100 (Notable)
Yandeearra	Australia	Record daily precipitation	49.5 mm (1.9 in)	50 of 100 (Notable)
Rajpur	India	Record daily precipitation	57.7 mm (2.3 in)	50 of 100 (Notable)
Toronto Agincourt	Canada	Record daily precipitation	61.5 mm (2.4 in)	49 of 100 (Notable)
Willard 4 SW	United States	Record daily precipitation	88.9 mm (3.5 in)	49 of 100 (Notable)
Bloukrans (Bos)	South Africa	Record daily precipitation	145.8 mm (5.7 in)	48 of 100 (Notable)
Pilibhit City	India	Record daily precipitation	37.3 mm (1.5 in)	47 of 100 (Notable)
Beaver Dam	United States	Record daily precipitation	74.9 mm (2.9 in)	47 of 100 (Notable)
St John Bethlehem Aca	United States	Record daily precipitation	79.2 mm (3.1 in)	47 of 100 (Notable)
Vicksburg	United States	Record daily precipitation	95.5 mm (3.8 in)	47 of 100 (Notable)
Augusta	United States	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Boodarie	Australia	Record daily precipitation	42.2 mm (1.7 in)	45 of 100 (Notable)
Middalya	Australia	Record daily precipitation	139.2 mm (5.5 in)	45 of 100 (Notable)
Wiluna	Australia	Record daily precipitation	42.7 mm (1.7 in)	45 of 100 (Notable)
Woodstock	Canada	Record daily precipitation	47.5 mm (1.9 in)	44 of 100 (Notable)
Choteau	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Jefferson 2 E	United States	Record daily precipitation	58.7 mm (2.3 in)	44 of 100 (Notable)
Marion	United States	Record daily precipitation	110.0 mm (4.3 in)	43 of 100 (Notable)
Roebourne	Australia	Record daily precipitation	37.8 mm (1.5 in)	42 of 100 (Notable)
Yallalong	Australia	Record daily precipitation	34.3 mm (1.4 in)	42 of 100 (Notable)
Baandee North	Australia	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Toronto	Canada	Record daily precipitation	51.8 mm (2.0 in)	42 of 100 (Notable)
Naraingarh	India	Record daily precipitation	43.2 mm (1.7 in)	40 of 100 (Notable)
Arasadi	India	Record daily precipitation	48.0 mm (1.9 in)	40 of 100 (Notable)
Lewers Rch	United States	Record daily precipitation	25.9 mm (1.0 in)	40 of 100 (Notable)
Rupar	India	Record daily precipitation	37.3 mm (1.5 in)	39 of 100 (Notable)
Millstream	Australia	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
Morden	Canada	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Ambala Obsy	India	Record daily precipitation	44.5 mm (1.8 in)	38 of 100 (Notable)
Harkerville (Bos)	South Africa	Record daily precipitation	97.8 mm (3.9 in)	38 of 100 (Notable)
Yarraloola	Australia	Record daily precipitation	82.6 mm (3.3 in)	36 of 100 (Notable)
Guelph Oac	Canada	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Grand Cane Fire Twr	United States	Record daily precipitation	59.9 mm (2.4 in)	36 of 100 (Notable)
Nanutarra	Australia	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
Caguas	Puerto Rico [United States]	Record daily precipitation	82.6 mm (3.3 in)	35 of 100 (Notable)
Witelsbos (Bos)	South Africa	Record daily precipitation	83.3 mm (3.3 in)	35 of 100 (Notable)
Katberg (Bos)	South Africa	Record daily precipitation	37.8 mm (1.5 in)	35 of 100 (Notable)
Tiger Creek Ph	United States	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily precipitation	47.5 mm (1.9 in)	35 of 100 (Notable)
Yanrey	Australia	Record daily precipitation	46.2 mm (1.8 in)	34 of 100 (Routine)
Emsdale	Canada	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Kotdwara	India	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
White Hall 1 E	United States	Record daily precipitation	37.8 mm (1.5 in)	34 of 100 (Routine)
St Joseph 3 N	United States	Record daily precipitation	85.1 mm (3.4 in)	34 of 100 (Routine)
Sandstone	Australia	Record daily precipitation	41.9 mm (1.6 in)	33 of 100 (Routine)
Hailakundi India	India	Record daily precipitation	122.9 mm (4.8 in)	33 of 100 (Routine)
Tamarack	United States	Record daily precipitation	28.4 mm (1.1 in)	33 of 100 (Routine)
Cambridge St Hospital	United States	Record daily precipitation	29.7 mm (1.2 in)	33 of 100 (Routine)
Ironton	United States	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Haileybury	Canada	Record daily precipitation	28.2 mm (1.1 in)	32 of 100 (Routine)
Landsdown	India	Record daily precipitation	43.4 mm (1.7 in)	32 of 100 (Routine)
Walnut Creek 2 ESE	United States	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)

Counts by Type and Timescale

701 records

Records set or tied on 15 May 1942 by type: Highest daily maximum 15, Lowest daily maximum 114, Highest daily minimum 88, Lowest daily minimum 94, Heaviest daily rainfall 375, Heaviest daily snowfall 14, Deepest snow cover 1.

Records on 15 May 1942 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	114
Highest daily minimum	88
Lowest daily minimum	94
Heaviest daily rainfall	375
Heaviest daily snowfall	14
Deepest snow cover	1

Records on 15 May 1942 by timescale: all-time 0, monthly 10, daily 691.

How Much Records Were Beaten By

603 broken records

Margins by which the 603 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

15 May 1942

Top 20 records on 15 May 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1942	Peterborough, CA	daily rain	50.0 mm (2.0 in)	27.9 mm (1.1 in)	73 years	65 of 100 (Major)
15 May 1942	Mount Florance, AU	daily rain	61.0 mm (2.4 in)	61.0 mm (2.4 in)	50 years	60 of 100 (Major)
15 May 1942	Hamilton, CA	daily rain	57.9 mm (2.3 in)	44.7 mm (1.8 in)	32 years	56 of 100 (Notable)
15 May 1942	Lindsay, CA	daily rain	35.6 mm (1.4 in)	23.9 mm (0.9 in)	55 years	55 of 100 (Notable)
15 May 1942	Woodbrook, AU	monthly rain	147.1 mm (5.8 in)	62.0 mm (2.4 in)	23 years	53 of 100 (Notable)
15 May 1942	Cunyu Shearing Shed, AU	daily rain	55.4 mm (2.2 in)	55.4 mm (2.2 in)	31 years	52 of 100 (Notable)
15 May 1942	Hattiesburg 5SW, US	monthly rain	156.5 mm (6.2 in)	45.8 mm (1.8 in)	34 years	52 of 100 (Notable)
15 May 1942	Poronajsk, RU	daily rain	45.2 mm (1.8 in)	30.3 mm (1.2 in)	32 years	51 of 100 (Notable)
15 May 1942	Banner Elk, US	daily rain	91.4 mm (3.6 in)	57.9 mm (2.3 in)	28 years	51 of 100 (Notable)
15 May 1942	Yandeearra, AU	daily rain	49.5 mm (1.9 in)	47.0 mm (1.9 in)	20 years	50 of 100 (Notable)
15 May 1942	Rajpur, IN	daily rain	57.7 mm (2.3 in)	44.5 mm (1.8 in)	36 years	50 of 100 (Notable)
15 May 1942	Toronto Agincourt, CA	daily rain	61.5 mm (2.4 in)	36.9 mm (1.5 in)	19 years	49 of 100 (Notable)
15 May 1942	Willard 4 SW, US	daily rain	88.9 mm (3.5 in)	61.7 mm (2.4 in)	20 years	49 of 100 (Notable)
15 May 1942	Bloukrans (Bos), ZA	daily rain	145.8 mm (5.7 in)	84.6 mm (3.3 in)	7 years	48 of 100 (Notable)
15 May 1942	Pilibhit City, IN	daily rain	37.3 mm (1.5 in)	30.7 mm (1.2 in)	37 years	47 of 100 (Notable)
15 May 1942	Beaver Dam, US	daily rain	74.9 mm (2.9 in)	43.1 mm (1.7 in)	35 years	47 of 100 (Notable)
15 May 1942	St John Bethlehem Aca, US	monthly rain	79.2 mm (3.1 in)	28.4 mm (1.1 in)	23 years	47 of 100 (Notable)
15 May 1942	Vicksburg, US	daily rain	95.5 mm (3.8 in)	61.2 mm (2.4 in)	35 years	47 of 100 (Notable)
15 May 1942	Augusta, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	44 years	47 of 100 (Notable)
15 May 1942	Boodarie, AU	daily rain	42.2 mm (1.7 in)	42.2 mm (1.7 in)	50 years	45 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 1942

Records set or tied on this calendar date in each year from 1820 to 1942. 1942 had 701 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 1942-05-15: 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	520
20 to 40	55
40 to 60	17
60 to 80	7
80 to 100	2
100 to 120	0
120 to 140	1
140 to 160	1