Weather Records on 18 May 2012

523 weather records were set or tied worldwide on 18 May 2012. Highest significance: Dillon, US.

Key Facts for 18 May 2012

On 18 May 2012, 523 weather records were set or tied at long-record stations worldwide.
283 were record highs and 159 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 509 daily.
Dillon set a monthly record daily precipitation of 123.2 mm (4.9 in) on 18 May 2012.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 442 records.

Record Map

523 stations

523 station records on 18 May 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dillon	United States	Record daily precipitation	123.2 mm (4.9 in)	58 of 100 (Notable)
Dunk Island Resort	Australia	Record daily precipitation	85.0 mm (3.3 in)	44 of 100 (Notable)
Cheraw	United States	Record daily precipitation	35.8 mm (1.4 in)	44 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record high maximum temperature	35.6 C (96.1 F)	43 of 100 (Notable)
Pohnpei WSO	Federated States of Micronesia	Record daily precipitation	152.9 mm (6.0 in)	42 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Huron Rgnl AP	United States	Record high minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Kremsmuenster	Austria	Record low minimum temperature	1.9 C (35.4 F)	41 of 100 (Notable)
Benton	United States	Record high maximum temperature	33.3 C (91.9 F)	41 of 100 (Notable)
Park Rapids Muni AP	United States	Record high maximum temperature	33.3 C (91.9 F)	41 of 100 (Notable)
Ostrov Sosnovez	Russia	Record high minimum temperature	5.3 C (41.5 F)	40 of 100 (Notable)
Lynch	United States	Record high maximum temperature	34.4 C (93.9 F)	40 of 100 (Notable)
Nome AP	United States	Record high maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Glenwood Spgs #2	United States	Record high minimum temperature	9.4 C (48.9 F)	39 of 100 (Notable)
Black Spur	Australia	Record daily precipitation	41.2 mm (1.6 in)	38 of 100 (Notable)
Climax	United States	Record high maximum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Marion	United States	Record daily precipitation	65.8 mm (2.6 in)	36 of 100 (Notable)
St George	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Prescott	United States	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Belle Fourche	United States	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Cottbus	Germany	Record low minimum temperature	0.8 C (33.4 F)	33 of 100 (Routine)
Kwajalein	Marshall Islands	Record low maximum temperature	27.2 C (81.0 F)	33 of 100 (Routine)
Calero Camp	Puerto Rico [United States]	Record daily precipitation	81.3 mm (3.2 in)	33 of 100 (Routine)
Norsk	Russia	Record high maximum temperature	27.9 C (82.2 F)	33 of 100 (Routine)
Bad Muskau	Germany	Record low minimum temperature	-1.5 C (29.3 F)	32 of 100 (Routine)
Ekimchan	Russia	Record high maximum temperature	26.6 C (79.9 F)	32 of 100 (Routine)
Moose Lake 1 SSE	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Hillsboro 3 N	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Tonsina	United States	Record snow depth	33.0 cm (13.0 in)	32 of 100 (Routine)
Turany	Czech Republic	Record low minimum temperature	-0.4 C (31.3 F)	31 of 100 (Routine)
Dresden-Strehlen	Germany	Record low minimum temperature	2.8 C (37.0 F)	31 of 100 (Routine)
Hellinikon	Greece	Record low maximum temperature	15.4 C (59.7 F)	31 of 100 (Routine)
Port Sudan	Sudan	Record high maximum temperature	47.0 C (116.6 F)	31 of 100 (Routine)
Artichoke Lake 1 E	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Osijek	Croatia	Record low minimum temperature	2.5 C (36.5 F)	30 of 100 (Routine)
Kwajalein	Marshall Islands	Record daily precipitation	96.3 mm (3.8 in)	30 of 100 (Routine)
Borinquen AP	Puerto Rico [United States]	Record daily precipitation	58.4 mm (2.3 in)	30 of 100 (Routine)
Sacaton	United States	Record high minimum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Pinnacles Np	United States	Record low minimum temperature	-4.4 C (24.1 F)	30 of 100 (Routine)
Reit Im Winkl	Germany	Record low minimum temperature	-2.6 C (27.3 F)	29 of 100 (Routine)
Gospic	Croatia	Record low minimum temperature	-1.0 C (30.2 F)	29 of 100 (Routine)
Korkodon	Russia	Record high maximum temperature	22.0 C (71.6 F)	29 of 100 (Routine)
Daly Waters AWS	Australia	Record low minimum temperature	7.3 C (45.1 F)	28 of 100 (Routine)
Skovorodino	Russia	Record high maximum temperature	31.0 C (87.8 F)	28 of 100 (Routine)
Nossen	Germany	Record low minimum temperature	1.9 C (35.4 F)	27 of 100 (Routine)
Kon-Kolodez	Russia	Record high minimum temperature	16.8 C (62.2 F)	27 of 100 (Routine)
Krasnoshelye	Russia	Record high minimum temperature	6.0 C (42.8 F)	27 of 100 (Routine)
Cordes	United States	Record high minimum temperature	19.4 C (66.9 F)	27 of 100 (Routine)
New Roads 5 NE	United States	Record high maximum temperature	33.9 C (93.0 F)	27 of 100 (Routine)
Ewing	United States	Record high minimum temperature	22.8 C (73.0 F)	27 of 100 (Routine)
Kurdjali	Bulgaria	Record daily precipitation	28.4 mm (1.1 in)	26 of 100 (Routine)
Arxan	China	Record high minimum temperature	10.9 C (51.6 F)	26 of 100 (Routine)
Nagykanizsa	Hungary	Record low minimum temperature	-1.9 C (28.6 F)	26 of 100 (Routine)
Guadalupe Victoria	Mexico	Record low minimum temperature	5.0 C (41.0 F)	26 of 100 (Routine)
Aldan	Russia	Record daily precipitation	26.1 mm (1.0 in)	26 of 100 (Routine)
Pickstown	United States	Record high minimum temperature	18.3 C (64.9 F)	26 of 100 (Routine)
Real del Monte	Mexico	Record low minimum temperature	5.0 C (41.0 F)	25 of 100 (Routine)
Chiconautla	Mexico	Record high maximum temperature	35.0 C (95.0 F)	25 of 100 (Routine)
Santa Rosa	Mexico	Record high minimum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Dzalinda	Russia	Record high maximum temperature	31.3 C (88.3 F)	25 of 100 (Routine)

Counts by Type and Timescale

523 records

Records set or tied on 18 May 2012 by type: Highest daily maximum 150, Lowest daily maximum 37, Highest daily minimum 133, Lowest daily minimum 122, Heaviest daily rainfall 78, Deepest snow cover 3.

Records on 18 May 2012 by type
Record type	Records
Highest daily maximum	150
Lowest daily maximum	37
Highest daily minimum	133
Lowest daily minimum	122
Heaviest daily rainfall	78
Heaviest daily snowfall	0
Deepest snow cover	3

Records on 18 May 2012 by timescale: all-time 0, monthly 14, daily 509.

How Much Records Were Beaten By

392 broken records

Margins by which the 392 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 280.0. Ties are not counted.

Top 20 by Significance

18 May 2012

Top 20 records on 18 May 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 2012	Dillon, US	monthly rain	123.2 mm (4.9 in)	45.0 mm (1.8 in)	0 years	58 of 100 (Notable)
18 May 2012	Dunk Island Resort, AU	daily rain	85.0 mm (3.3 in)	60.0 mm (2.4 in)	30 years	44 of 100 (Notable)
18 May 2012	Cheraw, US	daily rain	35.8 mm (1.4 in)	8.4 mm (0.33 in)	90 years	44 of 100 (Notable)
18 May 2012	Detroit Lakes 1 NNE, US	daily high max	35.6 C (96.1 F)	2.3 C (4.1 F)	101 years	43 of 100 (Notable)
18 May 2012	Pohnpei WSO, FM	daily rain	152.9 mm (6.0 in)	63.2 mm (2.5 in)	26 years	42 of 100 (Notable)
18 May 2012	Detroit Lakes 1 NNE, US	daily high min	17.8 C (64.0 F)	1.1 C (2.0 F)	109 years	42 of 100 (Notable)
18 May 2012	Huron Rgnl AP, US	daily high min	19.4 C (66.9 F)	1.1 C (2.0 F)	101 years	42 of 100 (Notable)
18 May 2012	Kremsmuenster, AT	daily low min	1.9 C (35.4 F)	0.5 C (0.9 F)	116 years	41 of 100 (Notable)
18 May 2012	Benton, US	daily high max	33.3 C (91.9 F)	0.5 C (0.9 F)	101 years	41 of 100 (Notable)
18 May 2012	Park Rapids Muni AP, US	daily high max	33.3 C (91.9 F)	1.1 C (2.0 F)	101 years	41 of 100 (Notable)
18 May 2012	Ostrov Sosnovez, RU	daily high min	5.3 C (41.5 F)	1.0 C (1.8 F)	92 years	40 of 100 (Notable)
18 May 2012	Lynch, US	daily high max	34.4 C (93.9 F)	0.5 C (0.9 F)	106 years	40 of 100 (Notable)
18 May 2012	Nome AP, US	daily high max	17.2 C (63.0 F)	0.5 C (0.9 F)	100 years	40 of 100 (Notable)
18 May 2012	Glenwood Spgs #2, US	daily high min	9.4 C (48.9 F)	1.1 C (2.0 F)	89 years	39 of 100 (Notable)
18 May 2012	Black Spur, AU	daily rain	41.2 mm (1.6 in)	5.4 mm (0.21 in)	85 years	38 of 100 (Notable)
18 May 2012	Climax, US	daily high max	21.1 C (70.0 F)	5.5 C (9.9 F)	56 years	38 of 100 (Notable)
18 May 2012	Marion, US	daily rain	65.8 mm (2.6 in)	35.3 mm (1.4 in)	3 years	36 of 100 (Notable)
18 May 2012	St George, US	daily high min	23.3 C (73.9 F)	3.3 C (5.9 F)	64 years	36 of 100 (Notable)
18 May 2012	Prescott, US	daily high min	16.1 C (61.0 F)	2.8 C (5.0 F)	64 years	35 of 100 (Notable)
18 May 2012	Belle Fourche, US	daily high min	17.8 C (64.0 F)	2.8 C (5.0 F)	64 years	35 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

1796 to 2012

Records set or tied on this calendar date in each year from 1796 to 2012. 2012 had 523 records.

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

Records on 05-18 in each year
Year	Records
1796	1
1798	1
1802	2
1832	1
1833	1
1845	1
1847	1
1848	1
1855	1
1859	1
1861	2
1863	3
1864	1
1866	2
1868	2
1869	1
1870	1
1871	2
1872	1
1874	2
1877	4
1878	1
1879	1
1881	1
1883	2
1884	2
1885	1
1887	1
1888	4
1889	2
1891	1
1893	2
1894	4
1895	5
1896	2
1897	2
1898	1
1899	1
1900	13
1901	6
1902	9
1903	7
1904	11
1905	2
1906	24
1907	18
1908	5
1909	12
1910	50
1911	64
1912	5
1913	11
1914	45
1915	55
1916	74
1917	30
1918	42
1919	30
1920	26
1921	41
1922	33
1923	61
1924	92
1925	220
1926	133
1927	180
1928	160
1929	193
1930	475
1931	191
1932	460
1933	380
1934	390
1935	400
1936	282
1937	348
1938	382
1939	169
1940	315
1941	334
1942	421
1943	744
1944	496
1945	706
1946	651
1947	231
1948	426
1949	597
1950	473
1951	279
1952	493
1953	393
1954	498
1955	848
1956	795
1957	595
1958	334
1959	435
1960	404
1961	187
1962	1,199
1963	477
1964	329
1965	345
1966	438
1967	410
1968	817
1969	865
1970	703
1971	666
1972	499
1973	1,233
1974	1,097
1975	383
1976	733
1977	1,126
1978	1,090
1979	399
1980	614
1981	1,218
1982	452
1983	1,093
1984	717
1985	498
1986	1,131
1987	823
1988	1,154
1989	721
1990	753
1991	1,218
1992	921
1993	707
1994	1,015
1995	1,849
1996	1,767
1997	1,115
1998	1,060
1999	584
2000	922
2001	898
2002	1,833
2003	1,270
2004	847
2005	630
2006	1,493
2007	1,133
2008	999
2009	1,368
2010	894
2011	1,406
2012	523
2013	816
2014	609
2015	785
2016	597
2017	1,855
2018	557
2019	810
2020	706
2021	417
2022	710
2023	554
2024	551
2025	618
2026	1,131

Download the Data

Data for records on 2012-05-18: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	388
50 to 100	2
100 to 150	0
150 to 200	0
200 to 250	1
250 to 300	1