Weather Records on 10 May 1943

482 weather records were set or tied worldwide on 10 May 1943. Highest significance: Bjornholt, NO.

Key Facts for 10 May 1943

On 10 May 1943, 482 weather records were set or tied at long-record stations worldwide.
60 were record highs and 133 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 26 monthly and 451 daily.
Bjornholt set a daily record precipitation of 50.4 mm (2.0 in) on 10 May 1943.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 440 records.

Record Map

482 stations

482 station records on 10 May 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 May 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bjornholt	Norway	Record daily precipitation	50.4 mm (2.0 in)	57 of 100 (Notable)
Muskogee	United States	Record daily precipitation	175.8 mm (6.9 in)	57 of 100 (Notable)
Flora 5 NW	United States	Record daily precipitation	58.4 mm (2.3 in)	56 of 100 (Notable)
Columbus	United States	Record daily precipitation	80.0 mm (3.1 in)	54 of 100 (Notable)
Chandler	United States	Record daily precipitation	104.1 mm (4.1 in)	53 of 100 (Notable)
Holdenville 2SSE	United States	Record daily precipitation	121.4 mm (4.8 in)	53 of 100 (Notable)
Ada	United States	Record daily precipitation	125.7 mm (4.9 in)	52 of 100 (Notable)
Okmulgee Wtr Wks	United States	Record daily precipitation	137.4 mm (5.4 in)	52 of 100 (Notable)
Coleman	Canada	Record daily snowfall	30.5 cm (12.0 in)	51 of 100 (Notable)
Tishomingo Natl Wr	United States	Record daily precipitation	167.6 mm (6.6 in)	51 of 100 (Notable)
Bakke	Norway	Record daily precipitation	51.3 mm (2.0 in)	48 of 100 (Notable)
Vinita 2 N	United States	Record daily precipitation	178.6 mm (7.0 in)	48 of 100 (Notable)
Claremore 2 ENE	United States	Record daily precipitation	89.9 mm (3.5 in)	47 of 100 (Notable)
Fayetteville	United States	Record daily precipitation	147.3 mm (5.8 in)	46 of 100 (Notable)
Lawton	United States	Record daily precipitation	133.9 mm (5.3 in)	46 of 100 (Notable)
Pauls Valley 4 WSW	United States	Record daily precipitation	129.5 mm (5.1 in)	46 of 100 (Notable)
Chatham 2	Canada	Record daily precipitation	39.4 mm (1.6 in)	45 of 100 (Notable)
Mestad I Oddernes	Norway	Record daily precipitation	62.1 mm (2.4 in)	45 of 100 (Notable)
Mykland	Norway	Record daily precipitation	38.5 mm (1.5 in)	45 of 100 (Notable)
Rockville	United States	Record daily precipitation	73.9 mm (2.9 in)	45 of 100 (Notable)
Mtn Grove 2 N	United States	Record daily precipitation	58.9 mm (2.3 in)	45 of 100 (Notable)
Hedrum	Norway	Record daily precipitation	36.0 mm (1.4 in)	44 of 100 (Notable)
Birch Tree	United States	Record daily precipitation	108.2 mm (4.3 in)	44 of 100 (Notable)
Subiaco	United States	Record daily precipitation	168.1 mm (6.6 in)	43 of 100 (Notable)
Nashville 1 E	United States	Record daily precipitation	81.3 mm (3.2 in)	43 of 100 (Notable)
Koshkonong	United States	Record daily precipitation	104.1 mm (4.1 in)	43 of 100 (Notable)
Webbers Falls 5 WSW	United States	Record daily precipitation	125.7 mm (4.9 in)	43 of 100 (Notable)
McAlester Rgnl AP	United States	Record daily precipitation	107.4 mm (4.2 in)	43 of 100 (Notable)
Mahuadaur	India	Record daily precipitation	54.9 mm (2.2 in)	42 of 100 (Notable)
Vredefort (Skl)	South Africa	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Fayetteville Exp STN	United States	Record daily precipitation	140.7 mm (5.5 in)	42 of 100 (Notable)
Apache	United States	Record daily precipitation	96.5 mm (3.8 in)	42 of 100 (Notable)
Okay 2 NE	United States	Record daily precipitation	180.3 mm (7.1 in)	41 of 100 (Notable)
Risnes I Fjotland	Norway	Record daily precipitation	36.1 mm (1.4 in)	40 of 100 (Notable)
Beaver Mines	Canada	Record daily snowfall	35.6 cm (14.0 in)	39 of 100 (Notable)
Rjukan	Norway	Record daily precipitation	25.5 mm (1.0 in)	38 of 100 (Notable)
Aseral	Norway	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
New Burnside	United States	Record daily precipitation	64.3 mm (2.5 in)	38 of 100 (Notable)
Lamar 7N	United States	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Guthrie 5S	United States	Record daily precipitation	73.2 mm (2.9 in)	38 of 100 (Notable)
Okemah	United States	Record daily precipitation	100.3 mm (3.9 in)	38 of 100 (Notable)
Crosbyton	United States	Record daily precipitation	52.1 mm (2.1 in)	38 of 100 (Notable)
Hoaeae Upper	United States	Record daily precipitation	26.7 mm (1.1 in)	38 of 100 (Notable)
Lundbreck	Canada	Record daily snowfall	25.4 cm (10.0 in)	37 of 100 (Notable)
Augusta	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Hennessey 4 ESE	United States	Record daily precipitation	51.6 mm (2.0 in)	37 of 100 (Notable)
Gravette	United States	Record daily precipitation	90.2 mm (3.6 in)	36 of 100 (Notable)
Gjerstad I Aust-Agder	Norway	Record daily precipitation	39.0 mm (1.5 in)	35 of 100 (Notable)
Browning	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Cloudcroft	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Meeker 5 W	United States	Record daily precipitation	81.3 mm (3.2 in)	35 of 100 (Notable)
Denton 2 SE	United States	Record daily precipitation	112.3 mm (4.4 in)	34 of 100 (Routine)
Iola 1 W	United States	Record daily precipitation	51.6 mm (2.0 in)	33 of 100 (Routine)
Ninette	Canada	Record daily snowfall	5.1 cm (2.0 in)	32 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	25.9 mm (1.0 in)	32 of 100 (Routine)
Carbondale Sewage Plt	United States	Record daily precipitation	65.5 mm (2.6 in)	32 of 100 (Routine)
Effingham 3SW	United States	Record daily precipitation	52.1 mm (2.1 in)	32 of 100 (Routine)
Tuscola	United States	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)
Bosque del Apache	United States	Record low minimum temperature	-3.3 C (26.1 F)	32 of 100 (Routine)
Cloud Chief 2 SE	United States	Record daily precipitation	44.5 mm (1.8 in)	32 of 100 (Routine)

Counts by Type and Timescale

482 records

Records set or tied on 10 May 1943 by type: Highest daily maximum 20, Lowest daily maximum 89, Highest daily minimum 40, Lowest daily minimum 44, Heaviest daily rainfall 269, Heaviest daily snowfall 20.

Records on 10 May 1943 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	89
Highest daily minimum	40
Lowest daily minimum	44
Heaviest daily rainfall	269
Heaviest daily snowfall	20
Deepest snow cover	0

Records on 10 May 1943 by timescale: all-time 5, monthly 26, daily 451.

How Much Records Were Beaten By

423 broken records

Margins by which the 423 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

10 May 1943

Top 20 records on 10 May 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 May 1943	Bjornholt, NO	daily rain	50.4 mm (2.0 in)	30.4 mm (1.2 in)	44 years	57 of 100 (Notable)
10 May 1943	Muskogee, US	all-time rain	175.8 mm (6.9 in)	42.4 mm (1.7 in)	14 years	57 of 100 (Notable)
10 May 1943	Flora 5 NW, US	daily rain	58.4 mm (2.3 in)	46.0 mm (1.8 in)	37 years	56 of 100 (Notable)
10 May 1943	Columbus, US	daily rain	80.0 mm (3.1 in)	59.7 mm (2.4 in)	30 years	54 of 100 (Notable)
10 May 1943	Chandler, US	daily rain	104.1 mm (4.1 in)	80.0 mm (3.1 in)	30 years	53 of 100 (Notable)
10 May 1943	Holdenville 2SSE, US	daily rain	121.4 mm (4.8 in)	85.8 mm (3.4 in)	30 years	53 of 100 (Notable)
10 May 1943	Ada, US	daily rain	125.7 mm (4.9 in)	94.7 mm (3.7 in)	30 years	52 of 100 (Notable)
10 May 1943	Okmulgee Wtr Wks, US	daily rain	137.4 mm (5.4 in)	101.8 mm (4.0 in)	30 years	52 of 100 (Notable)
10 May 1943	Coleman, CA	daily snowfall	30.5 cm (12.0 in)	30.5 cm (12.0 in)	29 years	51 of 100 (Notable)
10 May 1943	Tishomingo Natl Wr, US	monthly rain	167.6 mm (6.6 in)	61.7 mm (2.4 in)	9 years	51 of 100 (Notable)
10 May 1943	Bakke, NO	daily rain	51.3 mm (2.0 in)	30.1 mm (1.2 in)	44 years	48 of 100 (Notable)
10 May 1943	Vinita 2 N, US	monthly rain	178.6 mm (7.0 in)	38.4 mm (1.5 in)	46 years	48 of 100 (Notable)
10 May 1943	Claremore 2 ENE, US	daily rain	89.9 mm (3.5 in)	76.2 mm (3.0 in)	12 years	47 of 100 (Notable)
10 May 1943	Fayetteville, US	all-time rain	147.3 mm (5.8 in)	17.8 mm (0.7 in)	37 years	46 of 100 (Notable)
10 May 1943	Lawton, US	daily rain	133.9 mm (5.3 in)	90.7 mm (3.6 in)	12 years	46 of 100 (Notable)
10 May 1943	Pauls Valley 4 WSW, US	daily rain	129.5 mm (5.1 in)	87.3 mm (3.4 in)	8 years	46 of 100 (Notable)
10 May 1943	Chatham 2, CA	daily rain	39.4 mm (1.6 in)	20.9 mm (0.8 in)	59 years	45 of 100 (Notable)
10 May 1943	Mestad I Oddernes, NO	daily rain	62.1 mm (2.4 in)	58.3 mm (2.3 in)	5 years	45 of 100 (Notable)
10 May 1943	Mykland, NO	daily rain	38.5 mm (1.5 in)	25.7 mm (1.0 in)	12 years	45 of 100 (Notable)
10 May 1943	Rockville, US	daily rain	73.9 mm (2.9 in)	61.5 mm (2.4 in)	0 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

1805 to 1943

Records set or tied on this calendar date in each year from 1805 to 1943. 1943 had 482 records.

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

Records on 05-10 in each year
Year	Records
1805	1
1814	2
1832	1
1834	1
1836	4
1838	1
1843	1
1846	1
1848	1
1855	2
1858	1
1860	1
1861	2
1867	3
1868	1
1869	1
1872	1
1874	4
1876	1
1878	1
1879	2
1880	3
1881	3
1883	1
1884	2
1885	2
1886	1
1887	1
1888	2
1889	4
1890	2
1891	2
1893	1
1895	4
1896	6
1897	4
1898	5
1900	4
1901	6
1902	18
1903	6
1904	7
1905	21
1906	42
1907	33
1908	10
1909	17
1910	21
1911	55
1912	15
1913	23
1914	17
1915	18
1916	26
1917	23
1918	105
1919	145
1920	54
1921	143
1922	38
1923	291
1924	198
1925	163
1926	291
1927	296
1928	189
1929	102
1930	647
1931	277
1932	145
1933	516
1934	412
1935	200
1936	439
1937	148
1938	179
1939	179
1940	317
1941	257
1942	237
1943	482
1944	200
1945	646
1946	455
1947	820
1948	491
1949	492
1950	356
1951	281
1952	342
1953	627
1954	554
1955	272
1956	669
1957	374
1958	338
1959	192
1960	660
1961	722
1962	593
1963	951
1964	259
1965	413
1966	1,290
1967	932
1968	861
1969	325
1970	555
1971	416
1972	573
1973	429
1974	608
1975	448
1976	672
1977	1,075
1978	815
1979	1,927
1980	865
1981	1,213
1982	671
1983	753
1984	635
1985	925
1986	669
1987	1,270
1988	490
1989	1,365
1990	1,071
1991	854
1992	875
1993	1,056
1994	622
1995	1,129
1996	1,469
1997	1,215
1998	1,268
1999	1,299
2000	1,036
2001	842
2002	867
2003	1,688
2004	735
2005	761
2006	879
2007	815
2008	877
2009	651
2010	855
2011	1,288
2012	1,054
2013	635
2014	506
2015	943
2016	815
2017	702
2018	923
2019	1,254
2020	1,346
2021	635
2022	1,346
2023	359
2024	622
2025	1,094
2026	496

Download the Data

Data for records on 1943-05-10: 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 50	396
50 to 100	18
100 to 150	7
150 to 200	1
200 to 250	0
250 to 300	0
300 to 350	1