Weather Records on 9 May 1943

524 weather records were set or tied worldwide on 9 May 1943. Highest significance: Rogers, US.

Key Facts for 9 May 1943

On 9 May 1943, 524 weather records were set or tied at long-record stations worldwide.
75 were record highs and 137 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 26 monthly and 496 daily.
Rogers set a monthly record daily precipitation of 156.0 mm (6.1 in) on 9 May 1943.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 432 records.

Record Map

524 stations

524 station records on 9 May 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 May 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rogers	United States	Record daily precipitation	156.0 mm (6.1 in)	70 of 100 (Major)
Newlands	South Africa	Record daily precipitation	31.8 mm (1.3 in)	59 of 100 (Notable)
Lyndon	Canada	Record daily snowfall	35.6 cm (14.0 in)	58 of 100 (Notable)
High River	Canada	Record daily snowfall	19.1 cm (7.5 in)	54 of 100 (Notable)
Joplin	United States	Record daily precipitation	87.6 mm (3.4 in)	54 of 100 (Notable)
Marlow 1 WSW	United States	Record daily precipitation	111.8 mm (4.4 in)	54 of 100 (Notable)
Tahlequah	United States	Record daily precipitation	116.1 mm (4.6 in)	53 of 100 (Notable)
Webbers Falls 5 WSW	United States	Record daily precipitation	150.4 mm (5.9 in)	52 of 100 (Notable)
Rjukan	Norway	Record daily precipitation	38.3 mm (1.5 in)	50 of 100 (Notable)
Red Rvr	United States	Record daily precipitation	31.8 mm (1.3 in)	50 of 100 (Notable)
Muskogee	United States	Record daily precipitation	113.5 mm (4.5 in)	50 of 100 (Notable)
Middelplaats	South Africa	Record daily precipitation	32.5 mm (1.3 in)	47 of 100 (Notable)
Claremore 2 ENE	United States	Record daily precipitation	126.0 mm (5.0 in)	46 of 100 (Notable)
Gravette	United States	Record daily precipitation	134.6 mm (5.3 in)	45 of 100 (Notable)
Akbarpur	India	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Mahuadaur	India	Record daily precipitation	56.9 mm (2.2 in)	40 of 100 (Notable)
Cleveland 1	United States	Record daily precipitation	112.5 mm (4.4 in)	40 of 100 (Notable)
St Albans	Canada	Record daily precipitation	40.6 mm (1.6 in)	39 of 100 (Notable)
Ozark	United States	Record daily precipitation	99.6 mm (3.9 in)	39 of 100 (Notable)
Ft Collins	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Westcliffe	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Fort Gibson	United States	Record daily precipitation	99.1 mm (3.9 in)	38 of 100 (Notable)
Conway	United States	Record daily precipitation	60.7 mm (2.4 in)	37 of 100 (Notable)
Fayetteville	United States	Record daily precipitation	89.2 mm (3.5 in)	37 of 100 (Notable)
Boulder	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Bateman Rch	United States	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
McAlester Rgnl AP	United States	Record daily precipitation	180.8 mm (7.1 in)	36 of 100 (Notable)
St Albans	Canada	Record daily snowfall	34.3 cm (13.5 in)	35 of 100 (Notable)
Dillon 1 E	United States	Record daily precipitation	30.7 mm (1.2 in)	35 of 100 (Notable)
Okmulgee Wtr Wks	United States	Record daily precipitation	152.9 mm (6.0 in)	35 of 100 (Notable)
Bjornholt	Norway	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	54.8 mm (2.2 in)	34 of 100 (Routine)
Dillon 1 E	United States	Record daily snowfall	27.9 cm (11.0 in)	34 of 100 (Routine)
Mt Ida 3 SE	United States	Record daily precipitation	111.8 mm (4.4 in)	33 of 100 (Routine)
Boulder	United States	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Sedan	United States	Record daily precipitation	54.9 mm (2.2 in)	33 of 100 (Routine)
Ft Reno	United States	Record daily precipitation	48.0 mm (1.9 in)	33 of 100 (Routine)
Okay 2 NE	United States	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)
Zastron (Tnk)	South Africa	Record daily precipitation	57.2 mm (2.3 in)	32 of 100 (Routine)
Fayetteville Exp STN	United States	Record daily precipitation	79.2 mm (3.1 in)	32 of 100 (Routine)
Pal-Lahara	India	Record daily precipitation	57.9 mm (2.3 in)	31 of 100 (Routine)
Gopalganj Sr	India	Record daily precipitation	69.9 mm (2.8 in)	30 of 100 (Routine)
Idaho Springs	United States	Record daily snowfall	8.9 cm (3.5 in)	30 of 100 (Routine)
La Veta Pass	United States	Record daily precipitation	30.2 mm (1.2 in)	30 of 100 (Routine)
Middlesboro Fire Dept	United States	Record high maximum temperature	37.8 C (100.0 F)	30 of 100 (Routine)
Neosho	United States	Record daily precipitation	87.4 mm (3.4 in)	30 of 100 (Routine)
Norman 3SSE	United States	Record daily precipitation	66.0 mm (2.6 in)	30 of 100 (Routine)
Okemah	United States	Record daily precipitation	128.3 mm (5.1 in)	30 of 100 (Routine)
Paducah 2 WNW	United States	Record daily precipitation	57.2 mm (2.3 in)	30 of 100 (Routine)
Brandon Cda	Canada	Record daily precipitation	25.7 mm (1.0 in)	29 of 100 (Routine)
Armagh	United Kingdom	Record low maximum temperature	8.6 C (47.5 F)	29 of 100 (Routine)
Springfield	United States	Record daily precipitation	61.2 mm (2.4 in)	29 of 100 (Routine)
Dawson	United States	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Ft Reno	United States	Record low maximum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Caldwell	Canada	Record daily snowfall	7.6 cm (3.0 in)	27 of 100 (Routine)
Illerbrun	Canada	Record daily snowfall	10.7 cm (4.2 in)	26 of 100 (Routine)
Newton Rigg	United Kingdom	Record low maximum temperature	5.0 C (41.0 F)	26 of 100 (Routine)
Mt Hope	United States	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Aurora	United States	Record daily snowfall	11.4 cm (4.5 in)	26 of 100 (Routine)
Banff	Canada	Record low maximum temperature	3.3 C (37.9 F)	25 of 100 (Routine)

Counts by Type and Timescale

524 records

Records set or tied on 9 May 1943 by type: Highest daily maximum 22, Lowest daily maximum 96, Highest daily minimum 53, Lowest daily minimum 41, Heaviest daily rainfall 275, Heaviest daily snowfall 36, Deepest snow cover 1.

Records on 9 May 1943 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	96
Highest daily minimum	53
Lowest daily minimum	41
Heaviest daily rainfall	275
Heaviest daily snowfall	36
Deepest snow cover	1

Records on 9 May 1943 by timescale: all-time 2, monthly 26, daily 496.

How Much Records Were Beaten By

462 broken records

Margins by which the 462 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 191.0. Ties are not counted.

Top 20 by Significance

9 May 1943

Top 20 records on 9 May 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 1943	Rogers, US	monthly rain	156.0 mm (6.1 in)	70.9 mm (2.8 in)	50 years	70 of 100 (Major)
9 May 1943	Newlands, ZA	daily rain	31.8 mm (1.3 in)	30.8 mm (1.2 in)	46 years	59 of 100 (Notable)
9 May 1943	Lyndon, CA	monthly snowfall	35.6 cm (14.0 in)	19.1 cm (7.5 in)	24 years	58 of 100 (Notable)
9 May 1943	High River, CA	daily snowfall	19.1 cm (7.5 in)	19.1 cm (7.5 in)	40 years	54 of 100 (Notable)
9 May 1943	Joplin, US	daily rain	87.6 mm (3.4 in)	62.2 mm (2.4 in)	33 years	54 of 100 (Notable)
9 May 1943	Marlow 1 WSW, US	daily rain	111.8 mm (4.4 in)	89.4 mm (3.5 in)	33 years	54 of 100 (Notable)
9 May 1943	Tahlequah, US	monthly rain	116.1 mm (4.6 in)	42.4 mm (1.7 in)	38 years	53 of 100 (Notable)
9 May 1943	Webbers Falls 5 WSW, US	monthly rain	150.4 mm (5.9 in)	55.1 mm (2.2 in)	24 years	52 of 100 (Notable)
9 May 1943	Rjukan, NO	daily rain	38.3 mm (1.5 in)	31.6 mm (1.2 in)	17 years	50 of 100 (Notable)
9 May 1943	Red Rvr, US	daily rain	31.8 mm (1.3 in)	22.7 mm (0.9 in)	24 years	50 of 100 (Notable)
9 May 1943	Muskogee, US	monthly rain	113.5 mm (4.5 in)	37.3 mm (1.5 in)	38 years	50 of 100 (Notable)
9 May 1943	Middelplaats, ZA	daily rain	32.5 mm (1.3 in)	30.7 mm (1.2 in)	13 years	47 of 100 (Notable)
9 May 1943	Claremore 2 ENE, US	daily rain	126.0 mm (5.0 in)	122.7 mm (4.8 in)	6 years	46 of 100 (Notable)
9 May 1943	Gravette, US	monthly rain	134.6 mm (5.3 in)	43.7 mm (1.7 in)	13 years	45 of 100 (Notable)
9 May 1943	Akbarpur, IN	daily rain	38.1 mm (1.5 in)	30.7 mm (1.2 in)	16 years	43 of 100 (Notable)
9 May 1943	Mahuadaur, IN	daily rain	56.9 mm (2.2 in)	36.1 mm (1.4 in)	17 years	40 of 100 (Notable)
9 May 1943	Cleveland 1, US	monthly rain	112.5 mm (4.4 in)	35.3 mm (1.4 in)	3 years	40 of 100 (Notable)
9 May 1943	St Albans, CA	daily rain	40.6 mm (1.6 in)	23.6 mm (0.9 in)	16 years	39 of 100 (Notable)
9 May 1943	Ozark, US	daily rain	99.6 mm (3.9 in)	39.4 mm (1.6 in)	33 years	39 of 100 (Notable)
9 May 1943	Ft Collins, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	44 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

1793 to 1943

Records set or tied on this calendar date in each year from 1793 to 1943. 1943 had 524 records.

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

Records on 05-09 in each year
Year	Records
1793	1
1795	1
1806	1
1810	1
1823	1
1834	1
1838	1
1843	1
1845	2
1846	1
1848	1
1850	2
1855	2
1857	1
1858	1
1861	1
1862	1
1864	2
1865	2
1867	2
1872	1
1873	2
1874	1
1875	2
1879	4
1880	3
1882	1
1883	2
1884	3
1885	3
1889	3
1890	3
1891	3
1892	1
1893	1
1895	2
1896	4
1897	3
1898	3
1899	2
1900	2
1901	9
1902	8
1903	9
1904	14
1905	34
1906	41
1907	11
1908	16
1909	34
1910	45
1911	23
1912	23
1913	15
1914	43
1915	27
1916	26
1917	50
1918	49
1919	47
1920	56
1921	102
1922	45
1923	461
1924	262
1925	123
1926	196
1927	343
1928	302
1929	166
1930	526
1931	411
1932	132
1933	482
1934	750
1935	111
1936	622
1937	128
1938	171
1939	345
1940	237
1941	335
1942	180
1943	524
1944	412
1945	538
1946	278
1947	1,145
1948	379
1949	417
1950	660
1951	188
1952	348
1953	507
1954	489
1955	288
1956	722
1957	505
1958	355
1959	252
1960	748
1961	516
1962	435
1963	1,103
1964	503
1965	730
1966	994
1967	681
1968	545
1969	653
1970	372
1971	338
1972	587
1973	386
1974	699
1975	465
1976	714
1977	931
1978	649
1979	1,605
1980	1,030
1981	639
1982	523
1983	872
1984	892
1985	829
1986	1,253
1987	1,481
1988	594
1989	1,347
1990	850
1991	759
1992	1,476
1993	967
1994	573
1995	960
1996	1,260
1997	1,088
1998	1,182
1999	970
2000	1,114
2001	969
2002	1,489
2003	1,802
2004	926
2005	851
2006	738
2007	765
2008	693
2009	816
2010	764
2011	1,104
2012	686
2013	684
2014	754
2015	689
2016	917
2017	539
2018	879
2019	1,043
2020	1,673
2021	501
2022	1,308
2023	474
2024	792
2025	622
2026	309

Download the Data

Data for records on 1943-05-09: 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 25	405
25 to 50	34
50 to 75	7
75 to 100	6
100 to 125	5
125 to 150	1
150 to 175	1
175 to 200	3