Weather Records on 18 June 1977

768 weather records were set or tied worldwide on 18 June 1977. Highest significance: Chemnitz, DE.

Key Facts for 18 June 1977

On 18 June 1977, 768 weather records were set or tied at long-record stations worldwide.
155 were record highs and 73 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 14 monthly and 752 daily.
Chemnitz set a daily record precipitation of 54.3 mm (2.1 in) on 18 June 1977.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 434 records.

Record Map

768 stations

768 station records on 18 June 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 June 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chemnitz	Germany	Record daily precipitation	54.3 mm (2.1 in)	65 of 100 (Major)
Lucindale Post Office	Australia	Record daily precipitation	35.0 mm (1.4 in)	59 of 100 (Notable)
Sao Tome	Brazil	Record daily precipitation	35.6 mm (1.4 in)	57 of 100 (Notable)
Lawrence	United States	Record daily precipitation	96.3 mm (3.8 in)	56 of 100 (Notable)
Belton (Shadow Vale)	Australia	Record daily precipitation	30.4 mm (1.2 in)	55 of 100 (Notable)
Lake Cargelligo (Merri-Merriga	Australia	Record daily precipitation	25.0 mm (1.0 in)	55 of 100 (Notable)
Heinersreuth-Vollhof	Germany	Record daily precipitation	63.0 mm (2.5 in)	55 of 100 (Notable)
Tyumen Amsg	Russia	Record daily precipitation	46.0 mm (1.8 in)	55 of 100 (Notable)
Carrieton (Eurelia)	Australia	Record daily precipitation	28.0 mm (1.1 in)	54 of 100 (Notable)
Hawker (Holowilena)	Australia	Record daily precipitation	27.4 mm (1.1 in)	54 of 100 (Notable)
Canfield 1 S	United States	Record daily precipitation	90.2 mm (3.6 in)	53 of 100 (Notable)
Wellsburg Wtr Trmt Pl	United States	Record daily precipitation	67.3 mm (2.6 in)	53 of 100 (Notable)
Machado Portela (Juraci)	Brazil	Record daily precipitation	39.2 mm (1.5 in)	51 of 100 (Notable)
Ostanvik	Sweden	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Cradock	Australia	Record daily precipitation	29.6 mm (1.2 in)	48 of 100 (Notable)
Fazenda Riacho Fundo	Brazil	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Giessen/Wettenberg	Germany	Record daily precipitation	34.2 mm (1.3 in)	45 of 100 (Notable)
Aksakovo	Russia	Record daily precipitation	40.9 mm (1.6 in)	45 of 100 (Notable)
Howell Wwtp	United States	Record daily precipitation	51.3 mm (2.0 in)	45 of 100 (Notable)
Voru	Estonia	Record daily precipitation	28.4 mm (1.1 in)	44 of 100 (Notable)
Hawker	Australia	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Anchorage	United States	Record high minimum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Wilpena Head Station	Australia	Record daily precipitation	41.4 mm (1.6 in)	41 of 100 (Notable)
Greenethorpe (Iandra)	Australia	Record daily precipitation	26.6 mm (1.0 in)	41 of 100 (Notable)
Colbinabbin	Australia	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Ballarat Botanical Gardens	Australia	Record daily precipitation	25.2 mm (1.0 in)	41 of 100 (Notable)
Manhattan	United States	Record daily precipitation	159.5 mm (6.3 in)	41 of 100 (Notable)
Padthaway (Marcollat)	Australia	Record daily precipitation	25.0 mm (1.0 in)	40 of 100 (Notable)
Delegate Station	Australia	Record daily precipitation	35.0 mm (1.4 in)	40 of 100 (Notable)
Wellsboro 4 SW	United States	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)
Dallas 7 NE	United States	Record daily precipitation	59.2 mm (2.3 in)	39 of 100 (Notable)
Harveyville	United States	Record daily precipitation	66.5 mm (2.6 in)	39 of 100 (Notable)
Mineral Ridge Wtr Wks	United States	Record daily precipitation	80.5 mm (3.2 in)	39 of 100 (Notable)
Hawker (Wilson)	Australia	Record daily precipitation	27.4 mm (1.1 in)	38 of 100 (Notable)
Beerfelden	Germany	Record daily precipitation	40.7 mm (1.6 in)	38 of 100 (Notable)
New Castle 1 N	United States	Record daily precipitation	52.6 mm (2.1 in)	38 of 100 (Notable)
Marble Bar Comparison	Australia	Record low maximum temperature	16.6 C (61.9 F)	37 of 100 (Notable)
Rajkot	India	Record daily precipitation	54.1 mm (2.1 in)	37 of 100 (Notable)
Wamego 4 W	United States	Record daily precipitation	57.7 mm (2.3 in)	37 of 100 (Notable)
Parnu	Estonia	Record daily precipitation	37.4 mm (1.5 in)	36 of 100 (Notable)
Idlewild	United States	Record daily precipitation	82.8 mm (3.3 in)	36 of 100 (Notable)
La Motte (Bos)	South Africa	Record daily precipitation	86.0 mm (3.4 in)	35 of 100 (Notable)
El Dorado	United States	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Springfield	United States	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Donora 1 SW	United States	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Kallista Forestry	Australia	Record daily precipitation	55.7 mm (2.2 in)	34 of 100 (Routine)
Merton Weir Farm	Australia	Record daily precipitation	25.2 mm (1.0 in)	34 of 100 (Routine)
Hawksdale Shire Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
Virtsu	Estonia	Record daily precipitation	49.8 mm (2.0 in)	34 of 100 (Routine)
Ventspils	Latvia	Record daily precipitation	26.3 mm (1.0 in)	34 of 100 (Routine)
Haswell	United States	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Osage City	United States	Record daily precipitation	137.2 mm (5.4 in)	34 of 100 (Routine)
Bungowannah (Roseleigh)	Australia	Record daily precipitation	27.6 mm (1.1 in)	33 of 100 (Routine)
Drohobych	Ukraine	Record daily precipitation	39.1 mm (1.5 in)	33 of 100 (Routine)
Bridgeport	United States	Record high minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Elida	United States	Record high maximum temperature	41.1 C (106.0 F)	33 of 100 (Routine)
Wilby	Australia	Record daily precipitation	27.0 mm (1.1 in)	32 of 100 (Routine)
Culpanovo	Russia	Record daily precipitation	25.9 mm (1.0 in)	32 of 100 (Routine)
Enterprise	United States	Record daily precipitation	55.1 mm (2.2 in)	32 of 100 (Routine)
Leech Lake	United States	Record daily precipitation	25.7 mm (1.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

768 records

Records set or tied on 18 June 1977 by type: Highest daily maximum 70, Lowest daily maximum 52, Highest daily minimum 85, Lowest daily minimum 21, Heaviest daily rainfall 540.

Records on 18 June 1977 by type
Record type	Records
Highest daily maximum	70
Lowest daily maximum	52
Highest daily minimum	85
Lowest daily minimum	21
Heaviest daily rainfall	540
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 June 1977 by timescale: all-time 2, monthly 14, daily 752.

How Much Records Were Beaten By

677 broken records

Margins by which the 677 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 52.6. Ties are not counted.

Top 20 by Significance

18 June 1977

Top 20 records on 18 June 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 June 1977	Chemnitz, DE	daily rain	54.3 mm (2.1 in)	24.9 mm (1.0 in)	88 years	65 of 100 (Major)
18 June 1977	Lucindale Post Office, AU	daily rain	35.0 mm (1.4 in)	17.7 mm (0.7 in)	75 years	59 of 100 (Notable)
18 June 1977	Sao Tome, BR	monthly rain	35.6 mm (1.4 in)	21.4 mm (0.8 in)	10 years	57 of 100 (Notable)
18 June 1977	Lawrence, US	daily rain	96.3 mm (3.8 in)	52.6 mm (2.1 in)	48 years	56 of 100 (Notable)
18 June 1977	Belton (Shadow Vale), AU	daily rain	30.4 mm (1.2 in)	20.0 mm (0.8 in)	67 years	55 of 100 (Notable)
18 June 1977	Lake Cargelligo (Merri-Merriga, AU	daily rain	25.0 mm (1.0 in)	20.7 mm (0.8 in)	59 years	55 of 100 (Notable)
18 June 1977	Heinersreuth-Vollhof, DE	monthly rain	63.0 mm (2.5 in)	15.6 mm (0.6 in)	36 years	55 of 100 (Notable)
18 June 1977	Tyumen Amsg, RU	daily rain	46.0 mm (1.8 in)	33.0 mm (1.3 in)	36 years	55 of 100 (Notable)
18 June 1977	Carrieton (Eurelia), AU	daily rain	28.0 mm (1.1 in)	18.9 mm (0.7 in)	50 years	54 of 100 (Notable)
18 June 1977	Hawker (Holowilena), AU	daily rain	27.4 mm (1.1 in)	13.9 mm (0.5 in)	78 years	54 of 100 (Notable)
18 June 1977	Canfield 1 S, US	monthly rain	90.2 mm (3.6 in)	20.3 mm (0.8 in)	57 years	53 of 100 (Notable)
18 June 1977	Wellsburg Wtr Trmt Pl, US	daily rain	67.3 mm (2.6 in)	42.9 mm (1.7 in)	20 years	53 of 100 (Notable)
18 June 1977	Machado Portela (Juraci), BR	daily rain	39.2 mm (1.5 in)	27.2 mm (1.1 in)	31 years	51 of 100 (Notable)
18 June 1977	Ostanvik, SE	daily rain	30.5 mm (1.2 in)	20.3 mm (0.8 in)	24 years	49 of 100 (Notable)
18 June 1977	Cradock, AU	daily rain	29.6 mm (1.2 in)	18.7 mm (0.7 in)	50 years	48 of 100 (Notable)
18 June 1977	Fazenda Riacho Fundo, BR	daily rain	58.4 mm (2.3 in)	33.9 mm (1.3 in)	32 years	46 of 100 (Notable)
18 June 1977	Giessen/Wettenberg, DE	daily rain	34.2 mm (1.3 in)	21.6 mm (0.9 in)	24 years	45 of 100 (Notable)
18 June 1977	Aksakovo, RU	daily rain	40.9 mm (1.6 in)	18.8 mm (0.7 in)	36 years	45 of 100 (Notable)
18 June 1977	Howell Wwtp, US	daily rain	51.3 mm (2.0 in)	27.7 mm (1.1 in)	31 years	45 of 100 (Notable)
18 June 1977	Voru, EE	daily rain	28.4 mm (1.1 in)	14.0 mm (0.6 in)	64 years	44 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

1800 to 1977

Records set or tied on this calendar date in each year from 1800 to 1977. 1977 had 768 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 1977-06-18: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	536
10 to 20	99
20 to 30	31
30 to 40	6
40 to 50	3
50 to 60	2