Weather Records on 18 May 1961

187 weather records were set or tied worldwide on 18 May 1961. Highest significance: Poteau, US.

Key Facts for 18 May 1961

On 18 May 1961, 187 weather records were set or tied at long-record stations worldwide.
64 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 184 daily.
Poteau set a daily record precipitation of 147.3 mm (5.8 in) on 18 May 1961.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 444 records.

Record Map

187 stations

187 station records on 18 May 1961 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 1961: highest significance records shown on the map
Station	Country	Type	Value	Significance
Poteau	United States	Record daily precipitation	147.3 mm (5.8 in)	44 of 100 (Notable)
Campbellford	Canada	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Faribault	United States	Record daily precipitation	39.6 mm (1.6 in)	36 of 100 (Notable)
Meyersburg	Canada	Record daily precipitation	33.5 mm (1.3 in)	35 of 100 (Notable)
Waseca S Rsch & Outreach Ctr	United States	Record daily precipitation	39.6 mm (1.6 in)	34 of 100 (Routine)
Greenville 2 W	United States	Record daily precipitation	41.1 mm (1.6 in)	33 of 100 (Routine)
Tweed	Canada	Record daily precipitation	28.4 mm (1.1 in)	31 of 100 (Routine)
Holalkhere	India	Record daily precipitation	51.1 mm (2.0 in)	31 of 100 (Routine)
Dawson	Canada	Record high maximum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Mettupalayam	India	Record daily precipitation	41.7 mm (1.6 in)	26 of 100 (Routine)
Estherville 4E	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Franklin	United States	Record daily precipitation	41.4 mm (1.6 in)	26 of 100 (Routine)
Belleville	Canada	Record daily precipitation	32.8 mm (1.3 in)	25 of 100 (Routine)
Camp Crook	United States	Record low maximum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
La Piedad de Cabadas (Dge)	Mexico	Record high maximum temperature	37.2 C (99.0 F)	24 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record low minimum temperature	3.0 C (37.4 F)	24 of 100 (Routine)
Okay	United States	Record daily precipitation	87.6 mm (3.4 in)	24 of 100 (Routine)
Setauket Strong	United States	Record low minimum temperature	5.6 C (42.1 F)	24 of 100 (Routine)
Diamond Springs	United States	Record low maximum temperature	16.1 C (61.0 F)	24 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record high maximum temperature	35.1 C (95.2 F)	23 of 100 (Routine)
Kinston 7 SE	United States	Record low maximum temperature	22.8 C (73.0 F)	23 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record high minimum temperature	16.5 C (61.7 F)	22 of 100 (Routine)
Zumbrota	United States	Record daily precipitation	28.4 mm (1.1 in)	22 of 100 (Routine)
Emerson	Canada	Record low minimum temperature	-3.3 C (26.1 F)	21 of 100 (Routine)
Kustanai	Kazakhstan	Record high minimum temperature	16.8 C (62.2 F)	21 of 100 (Routine)
Nespelem 2 S	United States	Record low minimum temperature	-5.6 C (21.9 F)	21 of 100 (Routine)
Weyerhaeuser 1N	United States	Record low maximum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Cambridge Galt Moe	Canada	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Leeuwpoort	South Africa	Record daily precipitation	9.0 mm (0.35 in)	20 of 100 (Routine)
Camargo (Smn)	Mexico	Record daily precipitation	5.8 mm (0.23 in)	20 of 100 (Routine)
Angus	Canada	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Forest City 2 NNE	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Ust-Sugor	Russia	Record daily precipitation	11.1 mm (0.4 in)	20 of 100 (Routine)
Chimur	India	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Amersfoort (Pol)	South Africa	Record daily precipitation	7.0 mm (0.28 in)	20 of 100 (Routine)
East London -Signal STN	South Africa	Record daily precipitation	12.5 mm (0.5 in)	20 of 100 (Routine)
Sucesso	Brazil	Record daily precipitation	45.0 mm (1.8 in)	20 of 100 (Routine)
Turgaj	Kazakhstan	Record high maximum temperature	35.4 C (95.7 F)	20 of 100 (Routine)
Delaware 3 WSW	United States	Record low maximum temperature	10.6 C (51.1 F)	20 of 100 (Routine)
Hilland 2 NW	United States	Record low maximum temperature	9.4 C (48.9 F)	20 of 100 (Routine)
Graham	United States	Record high minimum temperature	21.7 C (71.1 F)	20 of 100 (Routine)
Antigo	United States	Record low maximum temperature	9.4 C (48.9 F)	20 of 100 (Routine)
Tomahawk Spirit Rsvr	United States	Record low maximum temperature	10.0 C (50.0 F)	20 of 100 (Routine)
Spencer 10 NE	United States	Record low maximum temperature	10.0 C (50.0 F)	20 of 100 (Routine)
Toronto Agincourt	Canada	Record daily precipitation	22.4 mm (0.9 in)	19 of 100 (Routine)
Tartu-Toravere	Estonia	Record low minimum temperature	-0.7 C (30.7 F)	19 of 100 (Routine)
Malsiras	India	Record daily precipitation	18.2 mm (0.7 in)	19 of 100 (Routine)
Kustanai	Kazakhstan	Record high maximum temperature	35.1 C (95.2 F)	19 of 100 (Routine)
Poretskoye	Russia	Record daily precipitation	12.6 mm (0.5 in)	19 of 100 (Routine)
Kurgan	Russia	Record high minimum temperature	20.0 C (68.0 F)	19 of 100 (Routine)
Lake Park 3SSE	United States	Record daily precipitation	25.1 mm (1.0 in)	19 of 100 (Routine)
Russellville	United States	Record daily precipitation	43.2 mm (1.7 in)	19 of 100 (Routine)
Elizabeth City	United States	Record low maximum temperature	19.4 C (66.9 F)	19 of 100 (Routine)
Marshfield Exp Farm	United States	Record low maximum temperature	9.4 C (48.9 F)	19 of 100 (Routine)
Winter	United States	Record low maximum temperature	5.6 C (42.1 F)	19 of 100 (Routine)
Peedamullah	Australia	Record daily precipitation	32.5 mm (1.3 in)	18 of 100 (Routine)
Tot-Ma	Russia	Record low maximum temperature	1.9 C (35.4 F)	18 of 100 (Routine)
Brownsville Lock 6	United States	Record daily precipitation	31.2 mm (1.2 in)	18 of 100 (Routine)
Seward AP	United States	Record daily precipitation	23.9 mm (0.9 in)	18 of 100 (Routine)
Orono	Canada	Record daily precipitation	20.3 mm (0.8 in)	17 of 100 (Routine)

Counts by Type and Timescale

187 records

Records set or tied on 18 May 1961 by type: Highest daily maximum 31, Lowest daily maximum 44, Highest daily minimum 33, Lowest daily minimum 18, Heaviest daily rainfall 61.

Records on 18 May 1961 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	44
Highest daily minimum	33
Lowest daily minimum	18
Heaviest daily rainfall	61
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 May 1961 by timescale: all-time 0, monthly 3, daily 184.

How Much Records Were Beaten By

143 broken records

Margins by which the 143 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.6. Ties are not counted.

Top 20 by Significance

18 May 1961

Top 20 records on 18 May 1961 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1961	Poteau, US	daily rain	147.3 mm (5.8 in)	73.6 mm (2.9 in)	8 years	44 of 100 (Notable)
18 May 1961	Campbellford, CA	daily rain	31.2 mm (1.2 in)	20.8 mm (0.8 in)	36 years	42 of 100 (Notable)
18 May 1961	Faribault, US	daily rain	39.6 mm (1.6 in)	23.9 mm (0.9 in)	23 years	36 of 100 (Notable)
18 May 1961	Meyersburg, CA	daily rain	33.5 mm (1.3 in)	20.5 mm (0.8 in)	24 years	35 of 100 (Notable)
18 May 1961	Waseca S Rsch & Outreach Ctr, US	daily rain	39.6 mm (1.6 in)	18.5 mm (0.7 in)	40 years	34 of 100 (Routine)
18 May 1961	Greenville 2 W, US	daily rain	41.1 mm (1.6 in)	19.5 mm (0.8 in)	43 years	33 of 100 (Routine)
18 May 1961	Tweed, CA	daily rain	28.4 mm (1.1 in)	14.4 mm (0.6 in)	34 years	31 of 100 (Routine)
18 May 1961	Holalkhere, IN	daily rain	51.1 mm (2.0 in)	18.6 mm (0.7 in)	52 years	31 of 100 (Routine)
18 May 1961	Dawson, CA	daily high max	26.7 C (80.1 F)	3.9 C (7.0 F)	44 years	27 of 100 (Routine)
18 May 1961	Mettupalayam, IN	daily rain	41.7 mm (1.6 in)	13.8 mm (0.5 in)	39 years	26 of 100 (Routine)
18 May 1961	Estherville 4E, US	daily rain	30.5 mm (1.2 in)	12.7 mm (0.5 in)	35 years	26 of 100 (Routine)
18 May 1961	Franklin, US	daily rain	41.4 mm (1.6 in)	9.9 mm (0.39 in)	40 years	26 of 100 (Routine)
18 May 1961	Belleville, CA	daily rain	32.8 mm (1.3 in)	4.6 mm (0.18 in)	39 years	25 of 100 (Routine)
18 May 1961	Camp Crook, US	daily low max	8.9 C (48.0 F)	1.1 C (2.0 F)	62 years	25 of 100 (Routine)
18 May 1961	La Piedad de Cabadas (Dge), MX	monthly high max	37.2 C (99.0 F)	0.5 C (0.9 F)	35 years	24 of 100 (Routine)
18 May 1961	Ljubljana Bezigrad, SI	daily low min	3.0 C (37.4 F)	1.4 C (2.5 F)	48 years	24 of 100 (Routine)
18 May 1961	Okay, US	daily rain	87.6 mm (3.4 in)	23.6 mm (0.9 in)	31 years	24 of 100 (Routine)
18 May 1961	Setauket Strong, US	daily low min	5.6 C (42.1 F)	0.5 C (0.9 F)	54 years	24 of 100 (Routine)
18 May 1961	Diamond Springs, US	daily low max	16.1 C (61.0 F)	3.3 C (5.9 F)	46 years	24 of 100 (Routine)
18 May 1961	Petropavlovsk, KZ	monthly high max	35.1 C (95.2 F)	1.5 C (2.7 F)	17 years	23 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

1796 to 1961

Records set or tied on this calendar date in each year from 1796 to 1961. 1961 had 187 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	418
2022	711
2023	554
2024	551
2025	619
2026	1,131

Download the Data

Data for records on 1961-05-18: 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 2026-10-17 (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 10	125
10 to 20	13
20 to 30	4
30 to 40	0
40 to 50	0
50 to 60	0
60 to 70	0
70 to 80	1