Weather Records on 9 May 2023

474 weather records were set or tied worldwide on 9 May 2023. Highest significance: Sisian, AM.

Key Facts for 9 May 2023

On 9 May 2023, 474 weather records were set or tied at long-record stations worldwide.
132 were record highs and 124 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 467 daily.
Sisian set a daily record precipitation of 99.1 mm (3.9 in) on 9 May 2023.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 432 records.

Record Map

474 stations

474 station records on 9 May 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 May 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sisian	Armenia	Record daily precipitation	99.1 mm (3.9 in)	70 of 100 (Major)
Lista Fyr	Norway	Record daily precipitation	41.4 mm (1.6 in)	63 of 100 (Major)
Sand I Ryfylke II	Norway	Record daily precipitation	43.1 mm (1.7 in)	62 of 100 (Major)
Aseral	Norway	Record daily precipitation	53.5 mm (2.1 in)	61 of 100 (Major)
Bakke	Norway	Record daily precipitation	55.5 mm (2.2 in)	60 of 100 (Major)
Yeovilton	United Kingdom	Record daily precipitation	35.8 mm (1.4 in)	60 of 100 (Major)
Bad Rothenfelde	Germany	Record daily precipitation	32.4 mm (1.3 in)	59 of 100 (Notable)
Flekkefjord	Norway	Record daily precipitation	53.0 mm (2.1 in)	54 of 100 (Notable)
Muenster/Osnabrueck (Airport)	Germany	Record daily precipitation	31.7 mm (1.2 in)	52 of 100 (Notable)
Rhein Main	Germany	Record daily precipitation	26.4 mm (1.0 in)	52 of 100 (Notable)
Memmingen	Germany	Record daily precipitation	39.4 mm (1.6 in)	48 of 100 (Notable)
Vaals	Netherlands	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Kealakekua 26.2	United States	Record high maximum temperature	28.9 C (84.0 F)	46 of 100 (Notable)
Kleiner Feldberg/Taunus	Germany	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Rems-Murr-Kreis Winterbach	Germany	Record daily precipitation	36.5 mm (1.4 in)	45 of 100 (Notable)
Bayard	United States	Record daily precipitation	37.3 mm (1.5 in)	45 of 100 (Notable)
Epen (L)	Netherlands	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Saentis	Switzerland	Record daily precipitation	58.9 mm (2.3 in)	44 of 100 (Notable)
Austwell	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Nha Trang	Vietnam	Record daily precipitation	34.8 mm (1.4 in)	44 of 100 (Notable)
Prineville	United States	Record daily precipitation	25.7 mm (1.0 in)	43 of 100 (Notable)
Montrose	Australia	Record daily precipitation	26.2 mm (1.0 in)	42 of 100 (Notable)
Wangerooge	Germany	Record daily precipitation	33.3 mm (1.3 in)	42 of 100 (Notable)
Greenville Dwtn AP	United States	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Mammoth Spring	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Carrollton	United States	Record high maximum temperature	32.8 C (91.0 F)	41 of 100 (Notable)
Sabinal	United States	Record daily precipitation	58.4 mm (2.3 in)	41 of 100 (Notable)
Hilgenroth	Germany	Record daily precipitation	29.6 mm (1.2 in)	40 of 100 (Notable)
Hummerich	Germany	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Sauda	Norway	Record daily precipitation	41.2 mm (1.6 in)	40 of 100 (Notable)
Tonstad - Nettfed	Norway	Record daily precipitation	34.0 mm (1.3 in)	40 of 100 (Notable)
Sines Deep Creek	United States	Record high minimum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Lohnberg-Obershausen	Germany	Record daily precipitation	26.9 mm (1.1 in)	38 of 100 (Notable)
Lindesnes Fyr	Norway	Record daily precipitation	43.8 mm (1.7 in)	38 of 100 (Notable)
Russellville	United States	Record daily precipitation	45.2 mm (1.8 in)	38 of 100 (Notable)
Noorbeek	Netherlands	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Hot Springs 1 NNE	United States	Record high maximum temperature	33.3 C (91.9 F)	37 of 100 (Notable)
Manhattan ASOS	United States	Record daily precipitation	56.6 mm (2.2 in)	37 of 100 (Notable)
Mackay Aero	Australia	Record low maximum temperature	21.0 C (69.8 F)	36 of 100 (Notable)
Seventeen Seventy	Australia	Record low minimum temperature	9.2 C (48.6 F)	36 of 100 (Notable)
Brisbane Aero	Australia	Record low minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Port-Aux-Francais (Iles Kergu	France	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Neunkirchen-Seelscheid-Krawink	Germany	Record daily precipitation	29.0 mm (1.1 in)	36 of 100 (Notable)
Bad-Stunzel Berleburg	Germany	Record daily precipitation	27.2 mm (1.1 in)	36 of 100 (Notable)
Arhara	Russia	Record low maximum temperature	6.4 C (43.5 F)	36 of 100 (Notable)
Amberley AMO	Australia	Record low minimum temperature	-1.5 C (29.3 F)	35 of 100 (Notable)
Dorpen	Germany	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
Asslar Klein-Altenstadten	Germany	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
Aparri	Philippines	Record high minimum temperature	27.0 C (80.6 F)	34 of 100 (Routine)
Sta. Cruz de Tenerife	Spain	Record high minimum temperature	22.3 C (72.1 F)	34 of 100 (Routine)
Double Island Point Lighthouse	Australia	Record low minimum temperature	11.3 C (52.3 F)	33 of 100 (Routine)
Risnes I Fjotland	Norway	Record daily precipitation	38.5 mm (1.5 in)	33 of 100 (Routine)
Mason	United States	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Daly Waters AWS	Australia	Record low maximum temperature	26.9 C (80.4 F)	32 of 100 (Routine)
Gladstone Radar	Australia	Record low minimum temperature	10.7 C (51.3 F)	32 of 100 (Routine)
Maryborough	Australia	Record low minimum temperature	2.4 C (36.3 F)	32 of 100 (Routine)
Lake Charles	United States	Record daily precipitation	51.6 mm (2.0 in)	32 of 100 (Routine)
Adaminaby (Yaouk)	Australia	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Hefei	China	Record low minimum temperature	8.5 C (47.3 F)	31 of 100 (Routine)
W Plains	United States	Record high maximum temperature	32.2 C (90.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

474 records

Records set or tied on 9 May 2023 by type: Highest daily maximum 65, Lowest daily maximum 42, Highest daily minimum 67, Lowest daily minimum 82, Heaviest daily rainfall 212, Heaviest daily snowfall 2, Deepest snow cover 4.

Records on 9 May 2023 by type
Record type	Records
Highest daily maximum	65
Lowest daily maximum	42
Highest daily minimum	67
Lowest daily minimum	82
Heaviest daily rainfall	212
Heaviest daily snowfall	2
Deepest snow cover	4

Records on 9 May 2023 by timescale: all-time 0, monthly 7, daily 467.

How Much Records Were Beaten By

425 broken records

Margins by which the 425 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 180.0. Ties are not counted.

Top 20 by Significance

9 May 2023

Top 20 records on 9 May 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 2023	Sisian, AM	daily rain	99.1 mm (3.9 in)	81.6 mm (3.2 in)	76 years	70 of 100 (Major)
9 May 2023	Lista Fyr, NO	daily rain	41.4 mm (1.6 in)	21.9 mm (0.9 in)	60 years	63 of 100 (Major)
9 May 2023	Sand I Ryfylke II, NO	daily rain	43.1 mm (1.7 in)	22.8 mm (0.9 in)	84 years	62 of 100 (Major)
9 May 2023	Aseral, NO	daily rain	53.5 mm (2.1 in)	18.8 mm (0.7 in)	116 years	61 of 100 (Major)
9 May 2023	Bakke, NO	daily rain	55.5 mm (2.2 in)	26.8 mm (1.1 in)	66 years	60 of 100 (Major)
9 May 2023	Yeovilton, GB	daily rain	35.8 mm (1.4 in)	23.8 mm (0.9 in)	48 years	60 of 100 (Major)
9 May 2023	Bad Rothenfelde, DE	daily rain	32.4 mm (1.3 in)	17.5 mm (0.7 in)	57 years	59 of 100 (Notable)
9 May 2023	Flekkefjord, NO	daily rain	53.0 mm (2.1 in)	26.9 mm (1.1 in)	49 years	54 of 100 (Notable)
9 May 2023	Muenster/Osnabrueck (Airport), DE	daily rain	31.7 mm (1.2 in)	22.6 mm (0.9 in)	30 years	52 of 100 (Notable)
9 May 2023	Rhein Main, DE	daily rain	26.4 mm (1.0 in)	13.9 mm (0.5 in)	64 years	52 of 100 (Notable)
9 May 2023	Memmingen, DE	daily rain	39.4 mm (1.6 in)	19.4 mm (0.8 in)	60 years	48 of 100 (Notable)
9 May 2023	Vaals, NL	daily rain	32.0 mm (1.3 in)	17.2 mm (0.7 in)	34 years	47 of 100 (Notable)
9 May 2023	Kealakekua 26.2, US	daily high max	28.9 C (84.0 F)	1.1 C (2.0 F)	108 years	46 of 100 (Notable)
9 May 2023	Kleiner Feldberg/Taunus, DE	daily rain	35.6 mm (1.4 in)	22.5 mm (0.9 in)	16 years	45 of 100 (Notable)
9 May 2023	Rems-Murr-Kreis Winterbach, DE	daily rain	36.5 mm (1.4 in)	23.1 mm (0.9 in)	16 years	45 of 100 (Notable)
9 May 2023	Bayard, US	daily rain	37.3 mm (1.5 in)	6.6 mm (0.26 in)	98 years	45 of 100 (Notable)
9 May 2023	Epen (L), NL	daily rain	32.3 mm (1.3 in)	17.5 mm (0.7 in)	29 years	44 of 100 (Notable)
9 May 2023	Saentis, CH	daily rain	58.9 mm (2.3 in)	11.1 mm (0.4 in)	92 years	44 of 100 (Notable)
9 May 2023	Austwell, US	daily rain	30.5 mm (1.2 in)	10.7 mm (0.4 in)	98 years	44 of 100 (Notable)
9 May 2023	Nha Trang, VN	daily rain	34.8 mm (1.4 in)	34.3 mm (1.4 in)	56 years	44 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 2023

Records set or tied on this calendar date in each year from 1793 to 2023. 2023 had 474 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 2023-05-09: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 25	412
25 to 50	9
50 to 75	1
75 to 100	1
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	1