Weather Records on 18 May 1957

595 weather records were set or tied worldwide on 18 May 1957. Highest significance: Las Plumas, US.

Key Facts for 18 May 1957

On 18 May 1957, 595 weather records were set or tied at long-record stations worldwide.
81 were record highs and 173 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 572 daily.
Las Plumas set a monthly record daily precipitation of 107.7 mm (4.2 in) on 18 May 1957.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 442 records.

Record Map

595 stations

595 station records on 18 May 1957 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 1957: highest significance records shown on the map
Station	Country	Type	Value	Significance
Las Plumas	United States	Record daily precipitation	107.7 mm (4.2 in)	66 of 100 (Major)
Grass Valley	United States	Record daily precipitation	113.8 mm (4.5 in)	64 of 100 (Major)
De Sabla	United States	Record daily precipitation	129.5 mm (5.1 in)	59 of 100 (Notable)
Iowa Hill	United States	Record daily precipitation	74.7 mm (2.9 in)	58 of 100 (Notable)
McCloud	United States	Record daily precipitation	57.4 mm (2.3 in)	57 of 100 (Notable)
Berkeley	United States	Record daily precipitation	50.5 mm (2.0 in)	55 of 100 (Notable)
Ft Bragg 5 N	United States	Record daily precipitation	50.0 mm (2.0 in)	55 of 100 (Notable)
Lodi	United States	Record daily precipitation	29.5 mm (1.2 in)	55 of 100 (Notable)
Weaverville	United States	Record daily precipitation	34.3 mm (1.4 in)	55 of 100 (Notable)
Santa Cruz	United States	Record daily precipitation	37.6 mm (1.5 in)	54 of 100 (Notable)
Centerville Ph	United States	Record daily precipitation	51.1 mm (2.0 in)	53 of 100 (Notable)
Mineral	United States	Record daily precipitation	62.2 mm (2.4 in)	53 of 100 (Notable)
Wrights	United States	Record daily precipitation	87.4 mm (3.4 in)	53 of 100 (Notable)
Colfax	United States	Record daily precipitation	118.1 mm (4.6 in)	52 of 100 (Notable)
Lake Spaulding	United States	Record daily precipitation	107.7 mm (4.2 in)	52 of 100 (Notable)
Barramunga	Australia	Record daily precipitation	97.0 mm (3.8 in)	51 of 100 (Notable)
Bowman Dam	United States	Record daily precipitation	114.8 mm (4.5 in)	51 of 100 (Notable)
San Mateo	United States	Record daily precipitation	35.8 mm (1.4 in)	51 of 100 (Notable)
Noyyatinkara	India	Record daily precipitation	118.4 mm (4.7 in)	50 of 100 (Notable)
Searsville Lake	United States	Record daily precipitation	35.3 mm (1.4 in)	50 of 100 (Notable)
Maclure Lake	Canada	Record daily precipitation	27.9 mm (1.1 in)	48 of 100 (Notable)
Kadayanallur	India	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Ft Morgan	United States	Record daily snowfall	12.7 cm (5.0 in)	48 of 100 (Notable)
Deer Creek Ph	United States	Record daily precipitation	126.2 mm (5.0 in)	47 of 100 (Notable)
Huntington	United States	Record daily precipitation	25.1 mm (1.0 in)	47 of 100 (Notable)
Quincy	United States	Record daily precipitation	47.0 mm (1.9 in)	45 of 100 (Notable)
Cornucopia	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Osijek	Croatia	Record daily precipitation	33.6 mm (1.3 in)	43 of 100 (Notable)
Bosbokrand (Pol)	South Africa	Record daily precipitation	70.0 mm (2.8 in)	43 of 100 (Notable)
De Hoek (Bos)	South Africa	Record daily precipitation	54.0 mm (2.1 in)	43 of 100 (Notable)
Vacaville	United States	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Banjar(Saraj-Teh)	India	Record daily precipitation	40.1 mm (1.6 in)	42 of 100 (Notable)
Virudhunagar	India	Record daily precipitation	63.5 mm (2.5 in)	42 of 100 (Notable)
Scotia	United States	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Pauls Valley 4 WSW	United States	Record daily precipitation	125.5 mm (4.9 in)	42 of 100 (Notable)
Purcell 2 SW	United States	Record daily precipitation	136.1 mm (5.4 in)	42 of 100 (Notable)
Attingal	India	Record daily precipitation	109.2 mm (4.3 in)	41 of 100 (Notable)
Parasala	India	Record daily precipitation	128.3 mm (5.1 in)	41 of 100 (Notable)
Redwood City	United States	Record daily precipitation	33.8 mm (1.3 in)	41 of 100 (Notable)
Brunswick	United States	Record daily precipitation	49.3 mm (1.9 in)	41 of 100 (Notable)
Greensburg	United States	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Acude Tucunduba	Brazil	Record daily precipitation	64.0 mm (2.5 in)	40 of 100 (Notable)
Ada	United States	Record daily precipitation	111.8 mm (4.4 in)	40 of 100 (Notable)
Witelsbos (Bos)	South Africa	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Upper Lake 2 N	United States	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Kentfield	United States	Record daily precipitation	76.2 mm (3.0 in)	38 of 100 (Notable)
Dudleys	United States	Record daily precipitation	53.1 mm (2.1 in)	37 of 100 (Notable)
Sumter	United States	Record daily precipitation	42.2 mm (1.7 in)	36 of 100 (Notable)
Falls City 2 SSW	United States	Record daily precipitation	39.1 mm (1.5 in)	35 of 100 (Notable)
Auburn	United States	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
Gold Run 4 SW	United States	Record daily precipitation	109.5 mm (4.3 in)	34 of 100 (Routine)
Tiger Creek Ph	United States	Record daily precipitation	49.5 mm (1.9 in)	34 of 100 (Routine)
Dobbins Colgate Foreba	United States	Record daily precipitation	81.8 mm (3.2 in)	33 of 100 (Routine)
Downieville	United States	Record daily precipitation	59.4 mm (2.3 in)	33 of 100 (Routine)
Twin Lakes	United States	Record daily precipitation	28.2 mm (1.1 in)	33 of 100 (Routine)
New Hazelton	Canada	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Springview 2NW	United States	Record low maximum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Goliad	United States	Record daily precipitation	80.5 mm (3.2 in)	32 of 100 (Routine)
Martenshoop (Pol)	South Africa	Record daily precipitation	27.0 mm (1.1 in)	31 of 100 (Routine)
Entabeni (Bos)	South Africa	Record daily precipitation	42.5 mm (1.7 in)	31 of 100 (Routine)

Counts by Type and Timescale

595 records

Records set or tied on 18 May 1957 by type: Highest daily maximum 9, Lowest daily maximum 154, Highest daily minimum 72, Lowest daily minimum 19, Heaviest daily rainfall 339, Heaviest daily snowfall 2.

Records on 18 May 1957 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	154
Highest daily minimum	72
Lowest daily minimum	19
Heaviest daily rainfall	339
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 18 May 1957 by timescale: all-time 0, monthly 23, daily 572.

How Much Records Were Beaten By

511 broken records

Margins by which the 511 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

18 May 1957

Top 20 records on 18 May 1957 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1957	Las Plumas, US	monthly rain	107.7 mm (4.2 in)	50.5 mm (2.0 in)	42 years	66 of 100 (Major)
18 May 1957	Grass Valley, US	monthly rain	113.8 mm (4.5 in)	43.7 mm (1.7 in)	42 years	64 of 100 (Major)
18 May 1957	De Sabla, US	monthly rain	129.5 mm (5.1 in)	38.1 mm (1.5 in)	50 years	59 of 100 (Notable)
18 May 1957	Iowa Hill, US	daily rain	74.7 mm (2.9 in)	44.2 mm (1.7 in)	48 years	58 of 100 (Notable)
18 May 1957	McCloud, US	daily rain	57.4 mm (2.3 in)	40.1 mm (1.6 in)	46 years	57 of 100 (Notable)
18 May 1957	Berkeley, US	daily rain	50.5 mm (2.0 in)	33.2 mm (1.3 in)	32 years	55 of 100 (Notable)
18 May 1957	Ft Bragg 5 N, US	daily rain	50.0 mm (2.0 in)	38.8 mm (1.5 in)	32 years	55 of 100 (Notable)
18 May 1957	Lodi, US	daily rain	29.5 mm (1.2 in)	25.9 mm (1.0 in)	48 years	55 of 100 (Notable)
18 May 1957	Weaverville, US	daily rain	34.3 mm (1.4 in)	20.1 mm (0.8 in)	62 years	55 of 100 (Notable)
18 May 1957	Santa Cruz, US	daily rain	37.6 mm (1.5 in)	32.5 mm (1.3 in)	40 years	54 of 100 (Notable)
18 May 1957	Centerville Ph, US	daily rain	51.1 mm (2.0 in)	38.4 mm (1.5 in)	40 years	53 of 100 (Notable)
18 May 1957	Mineral, US	daily rain	62.2 mm (2.4 in)	49.5 mm (1.9 in)	30 years	53 of 100 (Notable)
18 May 1957	Wrights, US	monthly rain	87.4 mm (3.4 in)	29.2 mm (1.1 in)	42 years	53 of 100 (Notable)
18 May 1957	Colfax, US	monthly rain	118.1 mm (4.6 in)	42.4 mm (1.7 in)	6 years	52 of 100 (Notable)
18 May 1957	Lake Spaulding, US	monthly rain	107.7 mm (4.2 in)	34.0 mm (1.3 in)	42 years	52 of 100 (Notable)
18 May 1957	Barramunga, AU	monthly rain	97.0 mm (3.8 in)	20.3 mm (0.8 in)	52 years	51 of 100 (Notable)
18 May 1957	Bowman Dam, US	monthly rain	114.8 mm (4.5 in)	33.8 mm (1.3 in)	42 years	51 of 100 (Notable)
18 May 1957	San Mateo, US	monthly rain	35.8 mm (1.4 in)	12.7 mm (0.5 in)	42 years	51 of 100 (Notable)
18 May 1957	Noyyatinkara, IN	daily rain	118.4 mm (4.7 in)	72.9 mm (2.9 in)	51 years	50 of 100 (Notable)
18 May 1957	Searsville Lake, US	daily rain	35.3 mm (1.4 in)	35.3 mm (1.4 in)	31 years	50 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 1957

Records set or tied on this calendar date in each year from 1796 to 1957. 1957 had 595 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 1957-05-18: 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 20	446
20 to 40	47
40 to 60	13
60 to 80	4
80 to 100	0
100 to 120	0
120 to 140	1