Weather Records on 12 May 2023

429 weather records were set or tied worldwide on 12 May 2023. Highest significance: Ganca, AZ.

Key Facts for 12 May 2023

On 12 May 2023, 429 weather records were set or tied at long-record stations worldwide.
221 were record highs and 49 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 13 monthly and 413 daily.
Ganca set a daily record precipitation of 99.6 mm (3.9 in) on 12 May 2023.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 453 records.

Record Map

429 stations

429 station records on 12 May 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ganca	Azerbaijan	Record daily precipitation	99.6 mm (3.9 in)	80 of 100 (Exceptional)
Goychay	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	70 of 100 (Major)
Imperial	United States	Record daily precipitation	99.1 mm (3.9 in)	69 of 100 (Major)
Longmont 2 ESE	United States	Record daily precipitation	49.8 mm (2.0 in)	67 of 100 (Major)
Sedalia 4 SSE	United States	Record daily precipitation	102.9 mm (4.1 in)	65 of 100 (Major)
Beaver City	United States	Record daily precipitation	70.6 mm (2.8 in)	65 of 100 (Major)
Dillon 1 E	United States	Record daily precipitation	40.6 mm (1.6 in)	62 of 100 (Major)
Hebron	United States	Record daily precipitation	59.7 mm (2.4 in)	59 of 100 (Notable)
Tegucigalpa	Honduras	Record daily precipitation	182.9 mm (7.2 in)	57 of 100 (Notable)
Cheesman	United States	Record daily precipitation	39.6 mm (1.6 in)	57 of 100 (Notable)
Osage	United States	Record daily precipitation	122.7 mm (4.8 in)	57 of 100 (Notable)
Sykeston	United States	Record daily precipitation	55.9 mm (2.2 in)	55 of 100 (Notable)
Pekoa Airport (Sant	Vanuatu	Record daily precipitation	137.9 mm (5.4 in)	54 of 100 (Notable)
Brighton 3 SE	United States	Record daily precipitation	86.9 mm (3.4 in)	54 of 100 (Notable)
Winter Park	United States	Record daily precipitation	37.6 mm (1.5 in)	54 of 100 (Notable)
Byers 5 ENE	United States	Record daily precipitation	91.9 mm (3.6 in)	53 of 100 (Notable)
Kassler	United States	Record daily precipitation	78.7 mm (3.1 in)	52 of 100 (Notable)
Lake George 8 SW	United States	Record daily precipitation	28.2 mm (1.1 in)	52 of 100 (Notable)
Craig	United States	Record daily precipitation	45.2 mm (1.8 in)	51 of 100 (Notable)
Castle Rock	United States	Record daily precipitation	90.2 mm (3.6 in)	49 of 100 (Notable)
Lakewood	United States	Record daily precipitation	67.3 mm (2.6 in)	49 of 100 (Notable)
Monticello	United States	Record daily precipitation	41.9 mm (1.6 in)	47 of 100 (Notable)
Sheridan Fld STN	United States	Record daily precipitation	29.7 mm (1.2 in)	45 of 100 (Notable)
Tyler Pounds Fld	United States	Record high minimum temperature	23.9 C (75.0 F)	44 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Crescent Lake Nwr	United States	Record daily precipitation	41.1 mm (1.6 in)	43 of 100 (Notable)
Alum Fk	United States	Record daily precipitation	77.0 mm (3.0 in)	42 of 100 (Notable)
Ft Morgan	United States	Record daily precipitation	64.3 mm (2.5 in)	42 of 100 (Notable)
Ralston Rsvr	United States	Record daily precipitation	59.7 mm (2.4 in)	42 of 100 (Notable)
Crosby	United States	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Bison	United States	Record daily precipitation	54.6 mm (2.1 in)	42 of 100 (Notable)
Strontia Springs Dam	United States	Record daily precipitation	81.3 mm (3.2 in)	41 of 100 (Notable)
Fortuna 1 W	United States	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Kenmare 1 WSW	United States	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)
Cheraw 1 N	United States	Record daily precipitation	33.8 mm (1.3 in)	40 of 100 (Notable)
Sedgwick 5 S	United States	Record daily precipitation	54.6 mm (2.1 in)	40 of 100 (Notable)
Cambridge	United States	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Wilsonville	United States	Record daily precipitation	39.9 mm (1.6 in)	39 of 100 (Notable)
Lead	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Columbia 3 WNW	United States	Record daily precipitation	60.7 mm (2.4 in)	39 of 100 (Notable)
Sanya	China	Record daily precipitation	72.4 mm (2.9 in)	38 of 100 (Notable)
Mackay M.O	Australia	Record daily precipitation	78.8 mm (3.1 in)	37 of 100 (Notable)
Chadron 3SW	United States	Record daily precipitation	57.9 mm (2.3 in)	37 of 100 (Notable)
Pollock	United States	Record daily precipitation	43.7 mm (1.7 in)	37 of 100 (Notable)
John Glenn Intl AP	United States	Record daily precipitation	63.2 mm (2.5 in)	37 of 100 (Notable)
Bismarck	United States	Record daily precipitation	40.4 mm (1.6 in)	37 of 100 (Notable)
Jabalpur	India	Record low minimum temperature	19.3 C (66.7 F)	36 of 100 (Notable)
Norcatur 3WSW	United States	Record daily precipitation	33.3 mm (1.3 in)	36 of 100 (Notable)
Cambridge	United States	Record high minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
Culbertson	United States	Record daily precipitation	42.2 mm (1.7 in)	36 of 100 (Notable)
Spearfish	United States	Record daily precipitation	37.1 mm (1.5 in)	36 of 100 (Notable)
Houston William P Hobby AP	United States	Record high minimum temperature	25.6 C (78.1 F)	36 of 100 (Notable)
Pointe Noire	Congo (Brazzaville)	Record high minimum temperature	26.3 C (79.3 F)	35 of 100 (Notable)
Baudette	United States	Record high minimum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Ellsworth 2W	United States	Record daily precipitation	44.7 mm (1.8 in)	35 of 100 (Notable)
Lemmon	United States	Record daily precipitation	43.2 mm (1.7 in)	35 of 100 (Notable)
Redbird	United States	Record daily precipitation	33.3 mm (1.3 in)	35 of 100 (Notable)
Portland Intl AP	United States	Record high maximum temperature	32.2 C (90.0 F)	35 of 100 (Notable)
Kzylzar	Kazakhstan	Record high minimum temperature	16.3 C (61.3 F)	34 of 100 (Routine)
Jubilejnaja	Russia	Record low minimum temperature	-24.5 C (-12.1 F)	34 of 100 (Routine)

Counts by Type and Timescale

429 records

Records set or tied on 12 May 2023 by type: Highest daily maximum 52, Lowest daily maximum 20, Highest daily minimum 169, Lowest daily minimum 29, Heaviest daily rainfall 156, Heaviest daily snowfall 1, Deepest snow cover 2.

Records on 12 May 2023 by type
Record type	Records
Highest daily maximum	52
Lowest daily maximum	20
Highest daily minimum	169
Lowest daily minimum	29
Heaviest daily rainfall	156
Heaviest daily snowfall	1
Deepest snow cover	2

Records on 12 May 2023 by timescale: all-time 3, monthly 13, daily 413.

How Much Records Were Beaten By

351 broken records

Margins by which the 351 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 176.2. Ties are not counted.

Top 20 by Significance

12 May 2023

Top 20 records on 12 May 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 2023	Ganca, AZ	daily rain	99.6 mm (3.9 in)	87.8 mm (3.5 in)	106 years	80 of 100 (Exceptional)
12 May 2023	Goychay, AZ	daily rain	99.3 mm (3.9 in)	77.5 mm (3.1 in)	74 years	70 of 100 (Major)
12 May 2023	Imperial, US	monthly rain	99.1 mm (3.9 in)	22.9 mm (0.9 in)	124 years	69 of 100 (Major)
12 May 2023	Longmont 2 ESE, US	daily rain	49.8 mm (2.0 in)	26.9 mm (1.1 in)	110 years	67 of 100 (Major)
12 May 2023	Sedalia 4 SSE, US	monthly rain	102.9 mm (4.1 in)	29.7 mm (1.2 in)	50 years	65 of 100 (Major)
12 May 2023	Beaver City, US	daily rain	70.6 mm (2.8 in)	52.8 mm (2.1 in)	50 years	65 of 100 (Major)
12 May 2023	Dillon 1 E, US	daily rain	40.6 mm (1.6 in)	19.8 mm (0.8 in)	40 years	62 of 100 (Major)
12 May 2023	Hebron, US	daily rain	59.7 mm (2.4 in)	46.5 mm (1.8 in)	44 years	59 of 100 (Notable)
12 May 2023	Tegucigalpa, HN	daily rain	182.9 mm (7.2 in)	176.2 mm (6.9 in)	37 years	57 of 100 (Notable)
12 May 2023	Cheesman, US	daily rain	39.6 mm (1.6 in)	20.3 mm (0.8 in)	56 years	57 of 100 (Notable)
12 May 2023	Osage, US	daily rain	122.7 mm (4.8 in)	92.2 mm (3.6 in)	24 years	57 of 100 (Notable)
12 May 2023	Sykeston, US	daily rain	55.9 mm (2.2 in)	36.8 mm (1.4 in)	40 years	55 of 100 (Notable)
12 May 2023	Pekoa Airport (Sant, VU	daily rain	137.9 mm (5.4 in)	99.8 mm (3.9 in)	32 years	54 of 100 (Notable)
12 May 2023	Brighton 3 SE, US	all-time rain	86.9 mm (3.4 in)	17.6 mm (0.7 in)	40 years	54 of 100 (Notable)
12 May 2023	Winter Park, US	daily rain	37.6 mm (1.5 in)	22.9 mm (0.9 in)	40 years	54 of 100 (Notable)
12 May 2023	Byers 5 ENE, US	daily rain	91.9 mm (3.6 in)	44.9 mm (1.8 in)	12 years	53 of 100 (Notable)
12 May 2023	Kassler, US	daily rain	78.7 mm (3.1 in)	55.8 mm (2.2 in)	8 years	52 of 100 (Notable)
12 May 2023	Lake George 8 SW, US	daily rain	28.2 mm (1.1 in)	15.5 mm (0.6 in)	56 years	52 of 100 (Notable)
12 May 2023	Craig, US	daily rain	45.2 mm (1.8 in)	16.0 mm (0.6 in)	84 years	51 of 100 (Notable)
12 May 2023	Castle Rock, US	monthly rain	90.2 mm (3.6 in)	14.5 mm (0.6 in)	50 years	49 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

1814 to 2023

Records set or tied on this calendar date in each year from 1814 to 2023. 2023 had 429 records.

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

Records on 05-12 in each year
Year	Records
1814	2
1823	1
1825	1
1827	1
1834	1
1837	1
1838	1
1845	1
1847	1
1848	1
1849	2
1851	1
1855	2
1860	2
1862	2
1863	1
1867	1
1868	1
1872	2
1874	1
1877	1
1878	1
1879	1
1881	4
1882	5
1884	3
1885	2
1886	3
1887	1
1888	1
1889	1
1890	1
1891	4
1894	1
1895	1
1896	1
1897	7
1898	3
1900	3
1901	6
1902	5
1903	7
1904	11
1905	10
1906	20
1907	53
1908	12
1909	4
1910	9
1911	37
1912	46
1913	6
1914	36
1915	50
1916	42
1917	54
1918	113
1919	42
1920	19
1921	64
1922	43
1923	109
1924	245
1925	275
1926	121
1927	167
1928	192
1929	172
1930	500
1931	350
1932	199
1933	476
1934	293
1935	404
1936	329
1937	214
1938	394
1939	233
1940	440
1941	568
1942	418
1943	803
1944	368
1945	389
1946	653
1947	286
1948	390
1949	414
1950	283
1951	427
1952	711
1953	891
1954	305
1955	265
1956	1,568
1957	454
1958	714
1959	740
1960	1,583
1961	381
1962	713
1963	777
1964	401
1965	196
1966	909
1967	810
1968	890
1969	506
1970	698
1971	668
1972	641
1973	393
1974	702
1975	418
1976	541
1977	855
1978	802
1979	763
1980	684
1981	855
1982	763
1983	1,281
1984	887
1985	1,199
1986	473
1987	1,295
1988	619
1989	856
1990	617
1991	1,177
1992	1,022
1993	1,208
1994	738
1995	1,190
1996	1,420
1997	921
1998	1,576
1999	881
2000	1,486
2001	1,015
2002	1,027
2003	861
2004	1,054
2005	1,369
2006	797
2007	630
2008	858
2009	687
2010	1,250
2011	1,119
2012	660
2013	689
2014	949
2015	958
2016	421
2017	529
2018	819
2019	784
2020	1,338
2021	712
2022	1,930
2023	429
2024	447
2025	940
2026	1,110

Download the Data

Data for records on 2023-05-12: 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	324
25 to 50	16
50 to 75	4
75 to 100	6
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1