Weather Records on 18 June 1950

828 weather records were set or tied worldwide on 18 June 1950. Highest significance: Grinnell 3 SW, US.

Key Facts for 18 June 1950

On 18 June 1950, 828 weather records were set or tied at long-record stations worldwide.
114 were record highs and 537 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 818 daily.
Grinnell 3 SW set a daily record precipitation of 87.6 mm (3.4 in) on 18 June 1950.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 434 records.

Record Map

828 stations

828 station records on 18 June 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 June 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grinnell 3 SW	United States	Record daily precipitation	87.6 mm (3.4 in)	51 of 100 (Notable)
Tulloona (Coolanga)	Australia	Record daily precipitation	30.0 mm (1.2 in)	47 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	63.5 mm (2.5 in)	47 of 100 (Notable)
Allora Post Office	Australia	Record daily precipitation	46.7 mm (1.8 in)	43 of 100 (Notable)
Williamsburg 1E	United States	Record daily precipitation	108.5 mm (4.3 in)	43 of 100 (Notable)
Minchinbury	Australia	Record daily precipitation	51.8 mm (2.0 in)	39 of 100 (Notable)
Belleville	Canada	Record low minimum temperature	3.3 C (37.9 F)	38 of 100 (Notable)
Asthawan	India	Record daily precipitation	101.6 mm (4.0 in)	38 of 100 (Notable)
Harwood Island (Harwood Sugar	Australia	Record daily precipitation	101.1 mm (4.0 in)	37 of 100 (Notable)
Soyland I Gjesdal	Norway	Record daily precipitation	54.6 mm (2.1 in)	37 of 100 (Notable)
Burlington Muni AP	United States	Record daily precipitation	105.4 mm (4.1 in)	36 of 100 (Notable)
Murrungowar	Australia	Record daily precipitation	29.2 mm (1.1 in)	35 of 100 (Notable)
Beatrice	Canada	Record low minimum temperature	-1.1 C (30.0 F)	35 of 100 (Notable)
Stratford	Canada	Record low minimum temperature	1.1 C (34.0 F)	35 of 100 (Notable)
Onawa 3NW	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Yamba Pilot Station	Australia	Record daily precipitation	74.4 mm (2.9 in)	34 of 100 (Routine)
Dawson	Canada	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Goderich	Canada	Record low minimum temperature	3.3 C (37.9 F)	34 of 100 (Routine)
Sanborn	United States	Record daily precipitation	66.3 mm (2.6 in)	34 of 100 (Routine)
Geraldine 6 SE	United States	Record daily precipitation	41.9 mm (1.6 in)	34 of 100 (Routine)
Trenton 2	United States	Record low minimum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Clifton Post Office	Australia	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Watsons Bay (Vaucluse)	Australia	Record daily precipitation	63.5 mm (2.5 in)	33 of 100 (Routine)
Simcoe	Canada	Record low maximum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Risnes I Fjotland	Norway	Record daily precipitation	32.2 mm (1.3 in)	33 of 100 (Routine)
Inwood 2 SW	United States	Record daily precipitation	57.4 mm (2.3 in)	33 of 100 (Routine)
Croppa Creek (Krui Plains)	Australia	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Ashfield Bowling Club	Australia	Record daily precipitation	41.9 mm (1.6 in)	32 of 100 (Routine)
Hajipur	India	Record daily precipitation	64.5 mm (2.5 in)	31 of 100 (Routine)
Hartington	United States	Record daily precipitation	76.5 mm (3.0 in)	31 of 100 (Routine)
Atlantic City Marina	United States	Record low minimum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Philadelphia City	United States	Record low minimum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Grandchester Symes St	Australia	Record daily precipitation	34.0 mm (1.3 in)	30 of 100 (Routine)
Gravesend Post Office	Australia	Record daily precipitation	41.1 mm (1.6 in)	30 of 100 (Routine)
Parry Sound	Canada	Record low minimum temperature	3.3 C (37.9 F)	30 of 100 (Routine)
Stratford	Canada	Record low maximum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Aurora Water	United States	Record low maximum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Adrian 2 NNE	United States	Record low maximum temperature	12.8 C (55.0 F)	30 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	8.9 C (48.0 F)	30 of 100 (Routine)
Cadiz	United States	Record low minimum temperature	3.3 C (37.9 F)	30 of 100 (Routine)
Unionville	United States	Record low maximum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Freehold-Marlboro	United States	Record low minimum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Agassiz Cda	Canada	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Fort Simpson	Canada	Record high minimum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Barrie	Canada	Record low minimum temperature	1.1 C (34.0 F)	28 of 100 (Routine)
Pelee Island	Canada	Record low maximum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Kuturi	India	Record daily precipitation	81.3 mm (3.2 in)	28 of 100 (Routine)
Fayette	United States	Record daily precipitation	40.1 mm (1.6 in)	28 of 100 (Routine)
Laidley Post Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	27 of 100 (Routine)
Huntsville	Canada	Record low minimum temperature	-1.1 C (30.0 F)	27 of 100 (Routine)
Ottawa 4SW	United States	Record low maximum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Valparaiso Wtr Wks	United States	Record low maximum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Cascade 5 S	United States	Record daily precipitation	45.0 mm (1.8 in)	27 of 100 (Routine)
Milguy (Myee)	Australia	Record daily precipitation	33.3 mm (1.3 in)	26 of 100 (Routine)
Brome	Canada	Record daily precipitation	29.5 mm (1.2 in)	26 of 100 (Routine)
Roldal	Norway	Record daily precipitation	51.2 mm (2.0 in)	26 of 100 (Routine)
Richmond Wtr Wks	United States	Record low maximum temperature	15.0 C (59.0 F)	26 of 100 (Routine)
Ludington 4 SE	United States	Record low maximum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Fairmont	United States	Record low maximum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Paterson	United States	Record low minimum temperature	7.8 C (46.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

828 records

Records set or tied on 18 June 1950 by type: Highest daily maximum 52, Lowest daily maximum 263, Highest daily minimum 62, Lowest daily minimum 274, Heaviest daily rainfall 177.

Records on 18 June 1950 by type
Record type	Records
Highest daily maximum	52
Lowest daily maximum	263
Highest daily minimum	62
Lowest daily minimum	274
Heaviest daily rainfall	177
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 June 1950 by timescale: all-time 1, monthly 9, daily 818.

How Much Records Were Beaten By

692 broken records

Margins by which the 692 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 85.8. Ties are not counted.

Top 20 by Significance

18 June 1950

Top 20 records on 18 June 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 June 1950	Grinnell 3 SW, US	daily rain	87.6 mm (3.4 in)	85.8 mm (3.4 in)	21 years	51 of 100 (Notable)
18 June 1950	Tulloona (Coolanga), AU	daily rain	30.0 mm (1.2 in)	25.4 mm (1.0 in)	63 years	47 of 100 (Notable)
18 June 1950	Bloomfield, US	daily rain	63.5 mm (2.5 in)	47.5 mm (1.9 in)	12 years	47 of 100 (Notable)
18 June 1950	Allora Post Office, AU	daily rain	46.7 mm (1.8 in)	26.6 mm (1.0 in)	52 years	43 of 100 (Notable)
18 June 1950	Williamsburg 1E, US	daily rain	108.5 mm (4.3 in)	53.6 mm (2.1 in)	15 years	43 of 100 (Notable)
18 June 1950	Minchinbury, AU	daily rain	51.8 mm (2.0 in)	40.9 mm (1.6 in)	20 years	39 of 100 (Notable)
18 June 1950	Belleville, CA	daily low min	3.3 C (37.9 F)	2.8 C (5.0 F)	76 years	38 of 100 (Notable)
18 June 1950	Asthawan, IN	daily rain	101.6 mm (4.0 in)	54.6 mm (2.1 in)	29 years	38 of 100 (Notable)
18 June 1950	Harwood Island (Harwood Sugar, AU	daily rain	101.1 mm (4.0 in)	63.0 mm (2.5 in)	0 years	37 of 100 (Notable)
18 June 1950	Soyland I Gjesdal, NO	daily rain	54.6 mm (2.1 in)	30.5 mm (1.2 in)	4 years	37 of 100 (Notable)
18 June 1950	Burlington Muni AP, US	daily rain	105.4 mm (4.1 in)	52.3 mm (2.1 in)	4 years	36 of 100 (Notable)
18 June 1950	Murrungowar, AU	daily rain	29.2 mm (1.1 in)	25.4 mm (1.0 in)	44 years	35 of 100 (Notable)
18 June 1950	Beatrice, CA	daily low min	-1.1 C (30.0 F)	3.3 C (5.9 F)	71 years	35 of 100 (Notable)
18 June 1950	Stratford, CA	daily low min	1.1 C (34.0 F)	2.8 C (5.0 F)	70 years	35 of 100 (Notable)
18 June 1950	Onawa 3NW, US	daily rain	55.9 mm (2.2 in)	22.4 mm (0.9 in)	41 years	35 of 100 (Notable)
18 June 1950	Yamba Pilot Station, AU	daily rain	74.4 mm (2.9 in)	42.6 mm (1.7 in)	20 years	34 of 100 (Routine)
18 June 1950	Dawson, CA	all-time high max	35.0 C (95.0 F)	1.1 C (2.0 F)	24 years	34 of 100 (Routine)
18 June 1950	Goderich, CA	daily low min	3.3 C (37.9 F)	1.7 C (3.1 F)	76 years	34 of 100 (Routine)
18 June 1950	Sanborn, US	daily rain	66.3 mm (2.6 in)	30.7 mm (1.2 in)	20 years	34 of 100 (Routine)
18 June 1950	Geraldine 6 SE, US	daily rain	41.9 mm (1.6 in)	24.4 mm (1.0 in)	21 years	34 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

1800 to 1950

Records set or tied on this calendar date in each year from 1800 to 1950. 1950 had 828 records.

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

Records on 06-18 in each year
Year	Records
1800	1
1801	1
1802	1
1803	1
1816	1
1821	1
1823	1
1839	1
1841	1
1848	1
1855	1
1858	2
1859	1
1862	2
1865	1
1869	1
1870	1
1875	2
1876	1
1879	1
1880	1
1881	2
1882	2
1883	1
1884	1
1886	1
1888	3
1889	1
1890	3
1892	3
1893	1
1894	2
1895	3
1896	4
1897	5
1899	3
1900	4
1901	10
1902	7
1903	13
1904	5
1905	32
1906	16
1907	21
1908	20
1909	39
1910	15
1911	14
1912	25
1913	29
1914	43
1915	62
1916	29
1917	55
1918	118
1919	65
1920	53
1921	44
1922	57
1923	144
1924	108
1925	246
1926	176
1927	287
1928	205
1929	297
1930	379
1931	267
1932	219
1933	499
1934	335
1935	494
1936	549
1937	301
1938	391
1939	674
1940	620
1941	273
1942	201
1943	173
1944	726
1945	784
1946	532
1947	391
1948	421
1949	734
1950	828
1951	237
1952	435
1953	730
1954	460
1955	721
1956	373
1957	672
1958	532
1959	573
1960	394
1961	979
1962	302
1963	305
1964	840
1965	589
1966	431
1967	308
1968	556
1969	598
1970	486
1971	456
1972	334
1973	861
1974	719
1975	821
1976	508
1977	768
1978	516
1979	581
1980	447
1981	895
1982	736
1983	1,080
1984	716
1985	921
1986	862
1987	925
1988	748
1989	697
1990	795
1991	944
1992	579
1993	834
1994	1,156
1995	1,224
1996	1,004
1997	894
1998	1,600
1999	1,258
2000	1,474
2001	589
2002	1,397
2003	853
2004	1,056
2005	1,014
2006	699
2007	898
2008	628
2009	920
2010	928
2011	952
2012	832
2013	847
2014	732
2015	978
2016	787
2017	839
2018	968
2019	425
2020	572
2021	1,874
2022	1,194
2023	574
2024	1,150
2025	583
2026	830

Download the Data

Data for records on 1950-06-18: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	659
20 to 40	24
40 to 60	7
60 to 80	1
80 to 100	1