Weather Records on 18 June 1944

726 weather records were set or tied worldwide on 18 June 1944. Highest significance: Wien, AT.

Key Facts for 18 June 1944

On 18 June 1944, 726 weather records were set or tied at long-record stations worldwide.
476 were record highs and 133 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 22 monthly and 701 daily.
Wien set a monthly record daily precipitation of 66.1 mm (2.6 in) on 18 June 1944.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 434 records.

Record Map

726 stations

726 station records on 18 June 1944 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 June 1944: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wien	Austria	Record daily precipitation	66.1 mm (2.6 in)	56 of 100 (Notable)
St Georges	Canada	Record daily precipitation	28.7 mm (1.1 in)	50 of 100 (Notable)
Mokakchung	India	Record daily precipitation	163.8 mm (6.4 in)	50 of 100 (Notable)
Smith Ctr	United States	Record daily precipitation	76.5 mm (3.0 in)	50 of 100 (Notable)
Wokha	India	Record daily precipitation	124.7 mm (4.9 in)	44 of 100 (Notable)
Hatfield	United States	Record daily precipitation	73.9 mm (2.9 in)	43 of 100 (Notable)
Orlando Executive AP	United States	Record daily precipitation	65.8 mm (2.6 in)	39 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high maximum temperature	33.3 C (91.9 F)	39 of 100 (Notable)
Mandan Exp STN	United States	Record daily precipitation	71.6 mm (2.8 in)	38 of 100 (Notable)
Weatherford	United States	Record high minimum temperature	29.4 C (84.9 F)	38 of 100 (Notable)
Bakani (Rallai)	India	Record daily precipitation	64.0 mm (2.5 in)	33 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Maudeha	India	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Sloan 3 S	United States	Record high maximum temperature	40.6 C (105.1 F)	32 of 100 (Routine)
Mau	India	Record daily precipitation	45.7 mm (1.8 in)	31 of 100 (Routine)
Beaufort	United States	Record high maximum temperature	38.3 C (100.9 F)	31 of 100 (Routine)
Bucyrus	United States	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Ratlam	India	Record daily precipitation	55.1 mm (2.2 in)	30 of 100 (Routine)
Clayton 1 SSW	United States	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
Mather 3 NW	United States	Record daily precipitation	55.4 mm (2.2 in)	30 of 100 (Routine)
Traverse Cy Cherry Capital AP	United States	Record daily precipitation	55.1 mm (2.2 in)	30 of 100 (Routine)
Pelee Island	Canada	Record high maximum temperature	36.7 C (98.1 F)	28 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high maximum temperature	37.2 C (99.0 F)	28 of 100 (Routine)
Khajwa	India	Record daily precipitation	36.6 mm (1.4 in)	27 of 100 (Routine)
McArthur	United States	Record high maximum temperature	36.1 C (97.0 F)	27 of 100 (Routine)
Mount Forest	Canada	Record daily precipitation	41.4 mm (1.6 in)	26 of 100 (Routine)
Panchgani	India	Record daily precipitation	82.6 mm (3.3 in)	26 of 100 (Routine)
Harbor Beach 1 SSE	United States	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
Little Mtn	United States	Record high maximum temperature	39.4 C (102.9 F)	26 of 100 (Routine)
Saint Johns	United States	Record low minimum temperature	0.6 C (33.1 F)	25 of 100 (Routine)
St Ignace	United States	Record low maximum temperature	10.6 C (51.1 F)	25 of 100 (Routine)
Millport 4 NE	United States	Record high maximum temperature	36.1 C (97.0 F)	25 of 100 (Routine)
Clarksville Wwtp	United States	Record high maximum temperature	42.8 C (109.0 F)	25 of 100 (Routine)
Medford	United States	Record daily precipitation	31.5 mm (1.2 in)	25 of 100 (Routine)
Bowling Green Warren Co AP	United States	Record high minimum temperature	25.6 C (78.1 F)	25 of 100 (Routine)
Sardarshahar	India	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Salisbury	United States	Record high maximum temperature	40.0 C (104.0 F)	24 of 100 (Routine)
Washburn	United States	Record low maximum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Meadow Valley Rs	United States	Record daily precipitation	51.1 mm (2.0 in)	24 of 100 (Routine)
Ridgetown	Canada	Record daily precipitation	58.4 mm (2.3 in)	23 of 100 (Routine)
Sojat	India	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Hamirpur	India	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Madison	United States	Record high minimum temperature	25.0 C (77.0 F)	23 of 100 (Routine)
Hyannis	United States	Record high maximum temperature	28.3 C (82.9 F)	23 of 100 (Routine)
Albion	United States	Record daily precipitation	45.7 mm (1.8 in)	23 of 100 (Routine)
Bridgeton 1 NE	United States	Record high maximum temperature	35.0 C (95.0 F)	23 of 100 (Routine)
Towner 2 NE	United States	Record daily precipitation	48.8 mm (1.9 in)	23 of 100 (Routine)
Shawnigan Lake	Canada	Record high minimum temperature	13.3 C (55.9 F)	22 of 100 (Routine)
Wallaceburg	Canada	Record daily precipitation	52.3 mm (2.1 in)	22 of 100 (Routine)
Federal Pt	United States	Record high minimum temperature	24.4 C (75.9 F)	22 of 100 (Routine)
Thomasville 7 NE	United States	Record high minimum temperature	24.4 C (75.9 F)	22 of 100 (Routine)
1 ENE Fairfield	United States	Record high minimum temperature	26.7 C (80.1 F)	22 of 100 (Routine)
Wheaton	United States	Record daily precipitation	44.7 mm (1.8 in)	22 of 100 (Routine)
Clayton	United States	Record high maximum temperature	35.0 C (95.0 F)	22 of 100 (Routine)
Rockingham	United States	Record high maximum temperature	39.4 C (102.9 F)	22 of 100 (Routine)
Portsmouth-Sciotoville	United States	Record high maximum temperature	38.3 C (100.9 F)	22 of 100 (Routine)
Bluefield 2 NW	United States	Record high maximum temperature	33.3 C (91.9 F)	22 of 100 (Routine)
Innsbruck	Austria	Record daily precipitation	35.8 mm (1.4 in)	21 of 100 (Routine)
Revelstoke	Canada	Record high minimum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record low minimum temperature	-1.5 C (29.3 F)	21 of 100 (Routine)

Counts by Type and Timescale

726 records

Records set or tied on 18 June 1944 by type: Highest daily maximum 289, Lowest daily maximum 62, Highest daily minimum 187, Lowest daily minimum 71, Heaviest daily rainfall 117.

Records on 18 June 1944 by type
Record type	Records
Highest daily maximum	289
Lowest daily maximum	62
Highest daily minimum	187
Lowest daily minimum	71
Heaviest daily rainfall	117
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 June 1944 by timescale: all-time 3, monthly 22, daily 701.

How Much Records Were Beaten By

549 broken records

Margins by which the 549 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 111.7. Ties are not counted.

Top 20 by Significance

18 June 1944

Top 20 records on 18 June 1944 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 June 1944	Wien, AT	monthly rain	66.1 mm (2.6 in)	22.7 mm (0.9 in)	34 years	56 of 100 (Notable)
18 June 1944	St Georges, CA	daily rain	28.7 mm (1.1 in)	24.6 mm (1.0 in)	19 years	50 of 100 (Notable)
18 June 1944	Mokakchung, IN	daily rain	163.8 mm (6.4 in)	111.7 mm (4.4 in)	23 years	50 of 100 (Notable)
18 June 1944	Smith Ctr, US	daily rain	76.5 mm (3.0 in)	59.7 mm (2.4 in)	24 years	50 of 100 (Notable)
18 June 1944	Wokha, IN	daily rain	124.7 mm (4.9 in)	74.7 mm (2.9 in)	14 years	44 of 100 (Notable)
18 June 1944	Hatfield, US	daily rain	73.9 mm (2.9 in)	43.9 mm (1.7 in)	29 years	43 of 100 (Notable)
18 June 1944	Orlando Executive AP, US	daily rain	65.8 mm (2.6 in)	33.0 mm (1.3 in)	44 years	39 of 100 (Notable)
18 June 1944	Newark Liberty Intl AP, US	daily high max	33.3 C (91.9 F)	0.5 C (0.9 F)	95 years	39 of 100 (Notable)
18 June 1944	Mandan Exp STN, US	daily rain	71.6 mm (2.8 in)	42.9 mm (1.7 in)	5 years	38 of 100 (Notable)
18 June 1944	Weatherford, US	all-time high min	29.4 C (84.9 F)	1.6 C (2.9 F)	34 years	38 of 100 (Notable)
18 June 1944	Bakani (Rallai), IN	daily rain	64.0 mm (2.5 in)	35.0 mm (1.4 in)	34 years	33 of 100 (Routine)
18 June 1944	Guelph Oac, CA	daily rain	50.8 mm (2.0 in)	7.6 mm (0.30 in)	60 years	32 of 100 (Routine)
18 June 1944	Maudeha, IN	daily rain	31.8 mm (1.3 in)	28.2 mm (1.1 in)	41 years	32 of 100 (Routine)
18 June 1944	Sloan 3 S, US	all-time high max	40.6 C (105.1 F)	0.6 C (1.1 F)	20 years	32 of 100 (Routine)
18 June 1944	Mau, IN	daily rain	45.7 mm (1.8 in)	27.4 mm (1.1 in)	33 years	31 of 100 (Routine)
18 June 1944	Beaufort, US	all-time high max	38.3 C (100.9 F)	1.1 C (2.0 F)	11 years	31 of 100 (Routine)
18 June 1944	Bucyrus, US	monthly high min	22.8 C (73.0 F)	0.6 C (1.1 F)	51 years	31 of 100 (Routine)
18 June 1944	Ratlam, IN	daily rain	55.1 mm (2.2 in)	34.8 mm (1.4 in)	30 years	30 of 100 (Routine)
18 June 1944	Clayton 1 SSW, US	daily high max	36.7 C (98.1 F)	3.9 C (7.0 F)	46 years	30 of 100 (Routine)
18 June 1944	Mather 3 NW, US	daily rain	55.4 mm (2.2 in)	31.3 mm (1.2 in)	12 years	30 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 1944

Records set or tied on this calendar date in each year from 1800 to 1944. 1944 had 726 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 1944-06-18: 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	529
20 to 40	15
40 to 60	3
60 to 80	1
80 to 100	0
100 to 120	1