Weather Records on 18 May 1965

345 weather records were set or tied worldwide on 18 May 1965. Highest significance: Munsingen-Apfelstetten, DE.

Key Facts for 18 May 1965

On 18 May 1965, 345 weather records were set or tied at long-record stations worldwide.
65 were record highs and 185 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 341 daily.
Munsingen-Apfelstetten set a daily record precipitation of 30.8 mm (1.2 in) on 18 May 1965.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 443 records.

Record Map

345 stations

345 station records on 18 May 1965 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 1965: highest significance records shown on the map
Station	Country	Type	Value	Significance
Munsingen-Apfelstetten	Germany	Record daily precipitation	30.8 mm (1.2 in)	61 of 100 (Major)
Weslaco	United States	Record daily precipitation	113.8 mm (4.5 in)	60 of 100 (Major)
Clermont-Ferrand	France	Record daily precipitation	44.6 mm (1.8 in)	52 of 100 (Notable)
Tuttlingen	Germany	Record daily precipitation	37.5 mm (1.5 in)	49 of 100 (Notable)
Kokpekty	Kazakhstan	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Basel Binningen	Switzerland	Record daily precipitation	38.5 mm (1.5 in)	46 of 100 (Notable)
Wadena 3 S	United States	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record low maximum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Schwabisch Hall-Bibersfeld	Germany	Record daily precipitation	25.2 mm (1.0 in)	37 of 100 (Notable)
Dijon-Longvic	France	Record daily precipitation	28.5 mm (1.1 in)	36 of 100 (Notable)
Stuttgart-Stadt	Germany	Record daily precipitation	28.8 mm (1.1 in)	36 of 100 (Notable)
Enisejsk	Russia	Record high maximum temperature	30.7 C (87.3 F)	36 of 100 (Notable)
Grangeville	United States	Record low minimum temperature	-3.9 C (25.0 F)	36 of 100 (Notable)
Waterville 2	United States	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Rantoul	United States	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Gorki	Belarus	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
Stornoway Airport	United Kingdom	Record low minimum temperature	-0.4 C (31.3 F)	34 of 100 (Routine)
Morris 1NW	United States	Record daily precipitation	99.1 mm (3.9 in)	34 of 100 (Routine)
Rems-Murr-Kreis Winterbach	Germany	Record daily precipitation	26.0 mm (1.0 in)	33 of 100 (Routine)
Vilatnikulam	India	Record daily precipitation	41.0 mm (1.6 in)	33 of 100 (Routine)
Cuero	United States	Record daily precipitation	60.5 mm (2.4 in)	33 of 100 (Routine)
Dorado 2 WNW	Puerto Rico [United States]	Record daily precipitation	78.7 mm (3.1 in)	32 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	-4.4 C (24.1 F)	31 of 100 (Routine)
Uil	Kazakhstan	Record low minimum temperature	1.9 C (35.4 F)	31 of 100 (Routine)
Kalispell Glacier AP	United States	Record low minimum temperature	-2.8 C (27.0 F)	31 of 100 (Routine)
Kaisersbach-Cronhutte	Germany	Record daily precipitation	26.3 mm (1.0 in)	30 of 100 (Routine)
Dillon U of Montana Western	United States	Record low minimum temperature	-6.1 C (21.0 F)	30 of 100 (Routine)
Kamloops	Canada	Record low minimum temperature	1.1 C (34.0 F)	29 of 100 (Routine)
Aach	Germany	Record daily precipitation	36.1 mm (1.4 in)	29 of 100 (Routine)
Laurier	United States	Record low minimum temperature	-3.9 C (25.0 F)	29 of 100 (Routine)
Flores (Dnocs)	Brazil	Record daily precipitation	35.3 mm (1.4 in)	28 of 100 (Routine)
Fort Macleod	Canada	Record low minimum temperature	-3.3 C (26.1 F)	28 of 100 (Routine)
High River	Canada	Record low minimum temperature	-6.1 C (21.0 F)	28 of 100 (Routine)
Freiburg Im Breisgau-Herdern	Germany	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Madison	United States	Record daily precipitation	38.6 mm (1.5 in)	28 of 100 (Routine)
Payette	United States	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Louisville	United States	Record high minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
State UNIV	United States	Record high minimum temperature	21.1 C (70.0 F)	28 of 100 (Routine)
Hamilton	United States	Record low minimum temperature	-2.2 C (28.0 F)	28 of 100 (Routine)
Wallowa	United States	Record low minimum temperature	-6.1 C (21.0 F)	28 of 100 (Routine)
Waterville	United States	Record low minimum temperature	-1.7 C (28.9 F)	28 of 100 (Routine)
Halaula 1110	United States	Record daily precipitation	38.6 mm (1.5 in)	28 of 100 (Routine)
Serra Negra Do Norte	Brazil	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Baldonnel	Canada	Record daily snowfall	6.9 cm (2.7 in)	27 of 100 (Routine)
Arhangelsk	Russia	Record low minimum temperature	-7.2 C (19.0 F)	27 of 100 (Routine)
Moorhead	United States	Record high minimum temperature	25.0 C (77.0 F)	27 of 100 (Routine)
Arlington	United States	Record low minimum temperature	2.2 C (36.0 F)	27 of 100 (Routine)
Poretskoye	Russia	Record low minimum temperature	-1.8 C (28.8 F)	26 of 100 (Routine)
Zuerich/Fluntern	Switzerland	Record daily precipitation	45.4 mm (1.8 in)	26 of 100 (Routine)
Chardzhev	Turkmenistan	Record high minimum temperature	22.1 C (71.8 F)	26 of 100 (Routine)
Kooskia	United States	Record low minimum temperature	-3.9 C (25.0 F)	26 of 100 (Routine)
Potlatch 3 NNE	United States	Record low minimum temperature	-5.0 C (23.0 F)	26 of 100 (Routine)
Kargopol	Russia	Record low minimum temperature	-5.1 C (22.8 F)	25 of 100 (Routine)
Orofino	United States	Record low minimum temperature	0.0 C (32.0 F)	25 of 100 (Routine)
Jackson	United States	Record high minimum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Haugan 1 W	United States	Record low minimum temperature	-6.7 C (19.9 F)	25 of 100 (Routine)
Hondo	United States	Record low maximum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
Vogtsburg-Oberrotweil	Germany	Record daily precipitation	25.5 mm (1.0 in)	24 of 100 (Routine)
Babb 6 NE	United States	Record low minimum temperature	-6.1 C (21.0 F)	24 of 100 (Routine)
Lyon - St Exupery	France	Record daily precipitation	40.9 mm (1.6 in)	23 of 100 (Routine)

Counts by Type and Timescale

345 records

Records set or tied on 18 May 1965 by type: Highest daily maximum 17, Lowest daily maximum 28, Highest daily minimum 48, Lowest daily minimum 157, Heaviest daily rainfall 92, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 18 May 1965 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	28
Highest daily minimum	48
Lowest daily minimum	157
Heaviest daily rainfall	92
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 18 May 1965 by timescale: all-time 0, monthly 4, daily 341.

How Much Records Were Beaten By

284 broken records

Margins by which the 284 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 950.0. Ties are not counted.

Top 20 by Significance

18 May 1965

Top 20 records on 18 May 1965 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1965	Munsingen-Apfelstetten, DE	daily rain	30.8 mm (1.2 in)	20.8 mm (0.8 in)	60 years	61 of 100 (Major)
18 May 1965	Weslaco, US	daily rain	113.8 mm (4.5 in)	104.9 mm (4.1 in)	51 years	60 of 100 (Major)
18 May 1965	Clermont-Ferrand, FR	daily rain	44.6 mm (1.8 in)	30.3 mm (1.2 in)	34 years	52 of 100 (Notable)
18 May 1965	Tuttlingen, DE	daily rain	37.5 mm (1.5 in)	15.6 mm (0.6 in)	60 years	49 of 100 (Notable)
18 May 1965	Kokpekty, KZ	daily rain	31.0 mm (1.2 in)	14.4 mm (0.6 in)	27 years	48 of 100 (Notable)
18 May 1965	Basel Binningen, CH	daily rain	38.5 mm (1.5 in)	17.5 mm (0.7 in)	40 years	46 of 100 (Notable)
18 May 1965	Wadena 3 S, US	daily rain	41.9 mm (1.6 in)	28.7 mm (1.1 in)	14 years	39 of 100 (Notable)
18 May 1965	Isabela Substn, PR	daily low max	25.6 C (78.1 F)	2.2 C (4.0 F)	54 years	38 of 100 (Notable)
18 May 1965	Schwabisch Hall-Bibersfeld, DE	daily rain	25.2 mm (1.0 in)	15.9 mm (0.6 in)	24 years	37 of 100 (Notable)
18 May 1965	Dijon-Longvic, FR	daily rain	28.5 mm (1.1 in)	13.8 mm (0.5 in)	43 years	36 of 100 (Notable)
18 May 1965	Stuttgart-Stadt, DE	daily rain	28.8 mm (1.1 in)	8.2 mm (0.32 in)	63 years	36 of 100 (Notable)
18 May 1965	Enisejsk, RU	daily high max	30.7 C (87.3 F)	6.1 C (11.0 F)	69 years	36 of 100 (Notable)
18 May 1965	Grangeville, US	daily low min	-3.9 C (25.0 F)	3.3 C (5.9 F)	68 years	36 of 100 (Notable)
18 May 1965	Waterville 2, US	daily rain	30.5 mm (1.2 in)	21.6 mm (0.9 in)	27 years	36 of 100 (Notable)
18 May 1965	Rantoul, US	daily rain	44.5 mm (1.8 in)	9.4 mm (0.37 in)	66 years	35 of 100 (Notable)
18 May 1965	Gorki, BY	daily rain	26.2 mm (1.0 in)	12.3 mm (0.5 in)	16 years	34 of 100 (Routine)
18 May 1965	Stornoway Airport, GB	daily low min	-0.4 C (31.3 F)	1.0 C (1.8 F)	73 years	34 of 100 (Routine)
18 May 1965	Morris 1NW, US	monthly rain	99.1 mm (3.9 in)	14.5 mm (0.6 in)	14 years	34 of 100 (Routine)
18 May 1965	Rems-Murr-Kreis Winterbach, DE	daily rain	26.0 mm (1.0 in)	17.9 mm (0.7 in)	8 years	33 of 100 (Routine)
18 May 1965	Vilatnikulam, IN	daily rain	41.0 mm (1.6 in)	18.1 mm (0.7 in)	39 years	33 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 1965

Records set or tied on this calendar date in each year from 1796 to 1965. 1965 had 345 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 1965-05-18: 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 200	283
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	1