Weather Records on 15 May 1923

125 weather records were set or tied worldwide on 15 May 1923. Highest significance: Katherine Council, AU.

Key Facts for 15 May 1923

On 15 May 1923, 125 weather records were set or tied at long-record stations worldwide.
23 were record highs and 26 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 119 daily.
Katherine Council set a daily record precipitation of 38.1 mm (1.5 in) on 15 May 1923.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 433 records.

Record Map

125 stations

125 station records on 15 May 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Katherine Council	Australia	Record daily precipitation	38.1 mm (1.5 in)	57 of 100 (Notable)
Paducah River	United States	Record daily precipitation	126.0 mm (5.0 in)	54 of 100 (Notable)
Malvern	United States	Record daily precipitation	128.3 mm (5.1 in)	53 of 100 (Notable)
Helena	United States	Record daily precipitation	122.9 mm (4.8 in)	50 of 100 (Notable)
Athens	United States	Record daily precipitation	50.8 mm (2.0 in)	50 of 100 (Notable)
Jackson	United States	Record daily precipitation	88.4 mm (3.5 in)	49 of 100 (Notable)
Herbert Vale	Australia	Record daily precipitation	88.1 mm (3.5 in)	47 of 100 (Notable)
Evansville Ft Court STN	United States	Record daily precipitation	65.0 mm (2.6 in)	47 of 100 (Notable)
Rockville	United States	Record daily precipitation	65.5 mm (2.6 in)	47 of 100 (Notable)
Palestine	United States	Record daily precipitation	62.7 mm (2.5 in)	44 of 100 (Notable)
1 WSW Princeton	United States	Record daily precipitation	67.3 mm (2.6 in)	43 of 100 (Notable)
Hot Springs 1 NNE	United States	Record daily precipitation	228.9 mm (9.0 in)	38 of 100 (Notable)
Batesville	United States	Record daily precipitation	84.8 mm (3.3 in)	38 of 100 (Notable)
Oxford	United Kingdom	Record low maximum temperature	10.2 C (50.4 F)	37 of 100 (Notable)
Brinkley	United States	Record daily precipitation	77.0 mm (3.0 in)	33 of 100 (Routine)
Olney 2S	United States	Record daily precipitation	98.3 mm (3.9 in)	33 of 100 (Routine)
Columbus	United States	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Falmouth	United States	Record daily precipitation	31.2 mm (1.2 in)	33 of 100 (Routine)
Stuttgart	United States	Record daily precipitation	56.4 mm (2.2 in)	32 of 100 (Routine)
Point Peter	United States	Record daily precipitation	37.6 mm (1.5 in)	32 of 100 (Routine)
Connersville	United States	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Marengo	United States	Record daily precipitation	69.9 mm (2.8 in)	31 of 100 (Routine)
Mt Vernon	United States	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Jeffersonville	United States	Record daily precipitation	37.3 mm (1.5 in)	30 of 100 (Routine)
Fulton	United States	Record daily precipitation	66.5 mm (2.6 in)	29 of 100 (Routine)
Mauzy	United States	Record daily precipitation	43.9 mm (1.7 in)	29 of 100 (Routine)
Arkansas City	United States	Record daily precipitation	85.3 mm (3.4 in)	28 of 100 (Routine)
Houston	United States	Record daily precipitation	42.2 mm (1.7 in)	28 of 100 (Routine)
Wauseon Wtp	United States	Record daily precipitation	35.8 mm (1.4 in)	28 of 100 (Routine)
Trenton 1 NNE	United States	Record daily precipitation	29.0 mm (1.1 in)	28 of 100 (Routine)
Calhoun 2 N	United States	Record daily precipitation	62.7 mm (2.5 in)	26 of 100 (Routine)
Medicine Hat A	Canada	Record low minimum temperature	-5.0 C (23.0 F)	24 of 100 (Routine)
Conway	United States	Record daily precipitation	94.0 mm (3.7 in)	24 of 100 (Routine)
Newport	United States	Record daily precipitation	66.0 mm (2.6 in)	24 of 100 (Routine)
Sparta 1 W	United States	Record daily precipitation	44.5 mm (1.8 in)	24 of 100 (Routine)
Pontotoc	United States	Record daily precipitation	34.3 mm (1.4 in)	22 of 100 (Routine)
Talladega	United States	Record daily precipitation	85.1 mm (3.4 in)	21 of 100 (Routine)
Camden 1	United States	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Arcadia	United States	Record daily precipitation	54.6 mm (2.1 in)	21 of 100 (Routine)
Pointe Au Pere	Canada	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Montreal McGill	Canada	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	8.9 C (48.0 F)	20 of 100 (Routine)
Brantford	Canada	Record daily precipitation	24.9 mm (1.0 in)	19 of 100 (Routine)
Toronto Deer Park	Canada	Record daily precipitation	24.4 mm (1.0 in)	19 of 100 (Routine)
Lafayette Rgnl AP	United States	Record high minimum temperature	23.9 C (75.0 F)	19 of 100 (Routine)
Edmonton	Canada	Record low minimum temperature	-3.9 C (25.0 F)	18 of 100 (Routine)
Minden	United States	Record daily precipitation	53.3 mm (2.1 in)	18 of 100 (Routine)
Sheffield	United Kingdom	Record low maximum temperature	7.8 C (46.0 F)	17 of 100 (Routine)
Las Animas	United States	Record low minimum temperature	-3.9 C (25.0 F)	17 of 100 (Routine)
Bloomington Normal	United States	Record daily precipitation	19.8 mm (0.8 in)	17 of 100 (Routine)
Anderson	United States	Record daily precipitation	21.8 mm (0.9 in)	17 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record low maximum temperature	6.1 C (43.0 F)	16 of 100 (Routine)
Prescott 2 NNW	United States	Record daily precipitation	48.3 mm (1.9 in)	16 of 100 (Routine)
Donaldsonville 4 SW	United States	Record high minimum temperature	23.9 C (75.0 F)	16 of 100 (Routine)
Grand Coteau	United States	Record daily precipitation	68.3 mm (2.7 in)	16 of 100 (Routine)
Monroe #2	United States	Record daily precipitation	38.1 mm (1.5 in)	16 of 100 (Routine)
Cornwall	United States	Record daily precipitation	12.7 mm (0.5 in)	16 of 100 (Routine)
Mt Carmel	United States	Record daily precipitation	65.0 mm (2.6 in)	15 of 100 (Routine)
Alma	United States	Record daily precipitation	37.8 mm (1.5 in)	15 of 100 (Routine)

Counts by Type and Timescale

125 records

Records set or tied on 15 May 1923 by type: Highest daily maximum 7, Lowest daily maximum 17, Highest daily minimum 16, Lowest daily minimum 9, Heaviest daily rainfall 76.

Records on 15 May 1923 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	17
Highest daily minimum	16
Lowest daily minimum	9
Heaviest daily rainfall	76
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 May 1923 by timescale: all-time 1, monthly 5, daily 119.

How Much Records Were Beaten By

110 broken records

Margins by which the 110 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.8. Ties are not counted.

Top 20 by Significance

15 May 1923

Top 20 records on 15 May 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1923	Katherine Council, AU	daily rain	38.1 mm (1.5 in)	38.1 mm (1.5 in)	48 years	57 of 100 (Notable)
15 May 1923	Paducah River, US	monthly rain	126.0 mm (5.0 in)	62.5 mm (2.5 in)	5 years	54 of 100 (Notable)
15 May 1923	Malvern, US	daily rain	128.3 mm (5.1 in)	77.5 mm (3.1 in)	30 years	53 of 100 (Notable)
15 May 1923	Helena, US	daily rain	122.9 mm (4.8 in)	82.8 mm (3.3 in)	29 years	50 of 100 (Notable)
15 May 1923	Athens, US	daily rain	50.8 mm (2.0 in)	29.0 mm (1.1 in)	77 years	50 of 100 (Notable)
15 May 1923	Jackson, US	daily rain	88.4 mm (3.5 in)	62.2 mm (2.4 in)	27 years	49 of 100 (Notable)
15 May 1923	Herbert Vale, AU	monthly rain	88.1 mm (3.5 in)	29.7 mm (1.2 in)	18 years	47 of 100 (Notable)
15 May 1923	Evansville Ft Court STN, US	daily rain	65.0 mm (2.6 in)	45.4 mm (1.8 in)	16 years	47 of 100 (Notable)
15 May 1923	Rockville, US	daily rain	65.5 mm (2.6 in)	52.8 mm (2.1 in)	16 years	47 of 100 (Notable)
15 May 1923	Palestine, US	daily rain	62.7 mm (2.5 in)	44.9 mm (1.8 in)	27 years	44 of 100 (Notable)
15 May 1923	1 WSW Princeton, US	daily rain	67.3 mm (2.6 in)	41.9 mm (1.6 in)	27 years	43 of 100 (Notable)
15 May 1923	Hot Springs 1 NNE, US	all-time rain	228.9 mm (9.0 in)	9.4 mm (0.37 in)	34 years	38 of 100 (Notable)
15 May 1923	Batesville, US	daily rain	84.8 mm (3.3 in)	48.0 mm (1.9 in)	29 years	38 of 100 (Notable)
15 May 1923	Oxford, GB	daily low max	10.2 C (50.4 F)	0.9 C (1.6 F)	83 years	37 of 100 (Notable)
15 May 1923	Brinkley, US	daily rain	77.0 mm (3.0 in)	50.1 mm (2.0 in)	16 years	33 of 100 (Routine)
15 May 1923	Olney 2S, US	monthly rain	98.3 mm (3.9 in)	21.1 mm (0.8 in)	15 years	33 of 100 (Routine)
15 May 1923	Columbus, US	daily rain	40.6 mm (1.6 in)	26.1 mm (1.0 in)	16 years	33 of 100 (Routine)
15 May 1923	Falmouth, US	daily rain	31.2 mm (1.2 in)	24.8 mm (1.0 in)	17 years	33 of 100 (Routine)
15 May 1923	Stuttgart, US	daily rain	56.4 mm (2.2 in)	35.8 mm (1.4 in)	30 years	32 of 100 (Routine)
15 May 1923	Point Peter, US	daily rain	37.6 mm (1.5 in)	28.7 mm (1.1 in)	29 years	32 of 100 (Routine)

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 1923

Records set or tied on this calendar date in each year from 1820 to 1923. 1923 had 125 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 1923-05-15: 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).