Weather Records on 27 June 1978

918 weather records were set or tied worldwide on 27 June 1978. Highest significance: White Cliffs (Wonnaminta), AU.

Key Facts for 27 June 1978

On 27 June 1978, 918 weather records were set or tied at long-record stations worldwide.
236 were record highs and 286 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 17 monthly and 897 daily.
White Cliffs (Wonnaminta) set a daily record precipitation of 32.0 mm (1.3 in) on 27 June 1978.
Across 164 earlier years (1799 to 2026) the same calendar date averaged 443 records.

Record Map

918 stations

918 station records on 27 June 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 June 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
White Cliffs (Wonnaminta)	Australia	Record daily precipitation	32.0 mm (1.3 in)	77 of 100 (Major)
Roseworthy	Australia	Record daily precipitation	28.6 mm (1.1 in)	69 of 100 (Major)
Milparinka Hotel	Australia	Record daily precipitation	25.0 mm (1.0 in)	69 of 100 (Major)
Brandonville	United States	Record daily precipitation	66.8 mm (2.6 in)	63 of 100 (Major)
Mallala	Australia	Record daily precipitation	27.0 mm (1.1 in)	62 of 100 (Major)
Virginia Sheedy Road	Australia	Record daily precipitation	29.8 mm (1.2 in)	62 of 100 (Major)
Madera	Mexico	Record daily precipitation	67.8 mm (2.7 in)	61 of 100 (Major)
Milparinka (Mount Arrowsmith)	Australia	Record daily precipitation	28.0 mm (1.1 in)	60 of 100 (Major)
Rowlesburg 1	United States	Record daily precipitation	68.8 mm (2.7 in)	60 of 100 (Major)
Freeling Railway	Australia	Record daily precipitation	31.0 mm (1.2 in)	58 of 100 (Notable)
Roseworthy Agric College	Australia	Record daily precipitation	32.0 mm (1.3 in)	55 of 100 (Notable)
Broken Hill (Koonawarra)	Australia	Record daily precipitation	31.6 mm (1.2 in)	55 of 100 (Notable)
Wymore	United States	Record daily precipitation	62.2 mm (2.4 in)	55 of 100 (Notable)
Penneshaw	Australia	Record daily precipitation	37.0 mm (1.5 in)	54 of 100 (Notable)
White Cliffs Post Office	Australia	Record daily precipitation	31.6 mm (1.2 in)	53 of 100 (Notable)
Unionville	United States	Record daily precipitation	59.9 mm (2.4 in)	52 of 100 (Notable)
Hallett (Ketchowla)	Australia	Record daily precipitation	31.4 mm (1.2 in)	51 of 100 (Notable)
Vandalia	United States	Record daily precipitation	74.2 mm (2.9 in)	51 of 100 (Notable)
Silverton Post Office	Australia	Record daily precipitation	27.4 mm (1.1 in)	50 of 100 (Notable)
Dawson (Anda-Vale)	Australia	Record daily precipitation	28.8 mm (1.1 in)	49 of 100 (Notable)
Lilydale	Australia	Record daily precipitation	29.0 mm (1.1 in)	49 of 100 (Notable)
Bjarka-Saby	Sweden	Record daily precipitation	44.6 mm (1.8 in)	49 of 100 (Notable)
Two Wells	Australia	Record daily precipitation	33.4 mm (1.3 in)	48 of 100 (Notable)
Belgrade (Observatory)	Serbia	Record daily precipitation	64.6 mm (2.5 in)	48 of 100 (Notable)
Malilla	Sweden	Record daily precipitation	37.2 mm (1.5 in)	48 of 100 (Notable)
John Martin Dam	United States	Record daily precipitation	37.6 mm (1.5 in)	47 of 100 (Notable)
American River	Australia	Record daily precipitation	48.0 mm (1.9 in)	46 of 100 (Notable)
Barra Do Jua	Brazil	Record daily precipitation	32.2 mm (1.3 in)	46 of 100 (Notable)
Mosquero 1 NE	United States	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
Luray 5 E	United States	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Trinidad AP	United States	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Stockport	Australia	Record daily precipitation	28.0 mm (1.1 in)	44 of 100 (Notable)
Yunta	Australia	Record daily precipitation	29.0 mm (1.1 in)	43 of 100 (Notable)
White Cliffs (Monolon)	Australia	Record daily precipitation	36.2 mm (1.4 in)	43 of 100 (Notable)
Bell Ranch	United States	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Cockburn (Burta)	Australia	Record daily precipitation	25.0 mm (1.0 in)	42 of 100 (Notable)
Fremont	United States	Record daily precipitation	52.3 mm (2.1 in)	41 of 100 (Notable)
Barcelona/Aeropuerto	Spain	Record low minimum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Yunta (Panaramitee)	Australia	Record daily precipitation	26.0 mm (1.0 in)	39 of 100 (Notable)
Newport	United States	Record high maximum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Falls City Brenner Fld	United States	Record daily precipitation	63.8 mm (2.5 in)	39 of 100 (Notable)
Marcelino Vieira (Panatis)	Brazil	Record daily precipitation	40.0 mm (1.6 in)	38 of 100 (Notable)
Bowling Green Wwtp	United States	Record daily precipitation	66.8 mm (2.6 in)	38 of 100 (Notable)
Mannington 1 N	United States	Record daily precipitation	64.0 mm (2.5 in)	38 of 100 (Notable)
Burra (Worlds End)	Australia	Record daily precipitation	30.6 mm (1.2 in)	37 of 100 (Notable)
Australia Plains	Australia	Record daily precipitation	25.0 mm (1.0 in)	37 of 100 (Notable)
Point Pass	Australia	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Svinhult_D	Sweden	Record daily precipitation	30.9 mm (1.2 in)	37 of 100 (Notable)
Table Rock 4N	United States	Record daily precipitation	113.8 mm (4.5 in)	37 of 100 (Notable)
Lake Lynn	United States	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Lower Light	Australia	Record daily precipitation	26.0 mm (1.0 in)	36 of 100 (Notable)
Manoora	Australia	Record daily precipitation	26.0 mm (1.0 in)	36 of 100 (Notable)
Robertstown	Australia	Record daily precipitation	27.4 mm (1.1 in)	36 of 100 (Notable)
Nykopings_Flygplats	Sweden	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Bernalillo	United States	Record high minimum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Buckingham	United States	Record daily precipitation	43.9 mm (1.7 in)	36 of 100 (Notable)
Belington	United States	Record daily precipitation	60.7 mm (2.4 in)	36 of 100 (Notable)
Second Valley (Poolamacca)	Australia	Record daily precipitation	26.2 mm (1.0 in)	35 of 100 (Notable)
Broken Hill (Langawirra)	Australia	Record daily precipitation	25.6 mm (1.0 in)	35 of 100 (Notable)
Acude Cedro	Brazil	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

918 records

Records set or tied on 27 June 1978 by type: Highest daily maximum 67, Lowest daily maximum 209, Highest daily minimum 169, Lowest daily minimum 77, Heaviest daily rainfall 394, Heaviest daily snowfall 2.

Records on 27 June 1978 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	209
Highest daily minimum	169
Lowest daily minimum	77
Heaviest daily rainfall	394
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 27 June 1978 by timescale: all-time 4, monthly 17, daily 897.

How Much Records Were Beaten By

766 broken records

Margins by which the 766 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 52.3. Ties are not counted.

Top 20 by Significance

27 June 1978

Top 20 records on 27 June 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 June 1978	White Cliffs (Wonnaminta), AU	daily rain	32.0 mm (1.3 in)	32.0 mm (1.3 in)	95 years	77 of 100 (Major)
27 June 1978	Roseworthy, AU	daily rain	28.6 mm (1.1 in)	18.4 mm (0.7 in)	84 years	69 of 100 (Major)
27 June 1978	Milparinka Hotel, AU	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	95 years	69 of 100 (Major)
27 June 1978	Brandonville, US	daily rain	66.8 mm (2.6 in)	43.7 mm (1.7 in)	64 years	63 of 100 (Major)
27 June 1978	Mallala, AU	daily rain	27.0 mm (1.1 in)	15.6 mm (0.6 in)	77 years	62 of 100 (Major)
27 June 1978	Virginia Sheedy Road, AU	daily rain	29.8 mm (1.2 in)	16.3 mm (0.6 in)	84 years	62 of 100 (Major)
27 June 1978	Madera, MX	monthly rain	67.8 mm (2.7 in)	37.3 mm (1.5 in)	20 years	61 of 100 (Major)
27 June 1978	Milparinka (Mount Arrowsmith), AU	daily rain	28.0 mm (1.1 in)	27.5 mm (1.1 in)	68 years	60 of 100 (Major)
27 June 1978	Rowlesburg 1, US	daily rain	68.8 mm (2.7 in)	38.3 mm (1.5 in)	53 years	60 of 100 (Major)
27 June 1978	Freeling Railway, AU	daily rain	31.0 mm (1.2 in)	22.1 mm (0.9 in)	32 years	58 of 100 (Notable)
27 June 1978	Roseworthy Agric College, AU	daily rain	32.0 mm (1.3 in)	23.9 mm (0.9 in)	21 years	55 of 100 (Notable)
27 June 1978	Broken Hill (Koonawarra), AU	daily rain	31.6 mm (1.2 in)	30.8 mm (1.2 in)	37 years	55 of 100 (Notable)
27 June 1978	Wymore, US	daily rain	62.2 mm (2.4 in)	36.8 mm (1.4 in)	76 years	55 of 100 (Notable)
27 June 1978	Penneshaw, AU	daily rain	37.0 mm (1.5 in)	21.3 mm (0.8 in)	36 years	54 of 100 (Notable)
27 June 1978	White Cliffs Post Office, AU	daily rain	31.6 mm (1.2 in)	27.0 mm (1.1 in)	21 years	53 of 100 (Notable)
27 June 1978	Unionville, US	daily rain	59.9 mm (2.4 in)	33.2 mm (1.3 in)	77 years	52 of 100 (Notable)
27 June 1978	Hallett (Ketchowla), AU	monthly rain	31.4 mm (1.2 in)	7.8 mm (0.31 in)	41 years	51 of 100 (Notable)
27 June 1978	Vandalia, US	daily rain	74.2 mm (2.9 in)	40.7 mm (1.6 in)	45 years	51 of 100 (Notable)
27 June 1978	Silverton Post Office, AU	daily rain	27.4 mm (1.1 in)	22.8 mm (0.9 in)	21 years	50 of 100 (Notable)
27 June 1978	Dawson (Anda-Vale), AU	daily rain	28.8 mm (1.1 in)	23.0 mm (0.9 in)	36 years	49 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

1799 to 1978

Records set or tied on this calendar date in each year from 1799 to 1978. 1978 had 918 records.

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

Records on 06-27 in each year
Year	Records
1799	1
1808	1
1811	1
1815	1
1830	2
1840	1
1841	2
1843	1
1849	1
1856	1
1857	1
1860	1
1863	2
1864	1
1868	2
1870	2
1871	2
1874	2
1875	1
1878	3
1880	2
1881	1
1883	2
1884	1
1885	4
1886	2
1887	3
1888	1
1889	1
1890	3
1891	3
1892	1
1893	1
1894	1
1895	2
1896	1
1898	6
1899	1
1900	4
1901	11
1902	8
1903	4
1904	7
1905	23
1906	12
1907	5
1908	10
1909	39
1910	33
1911	23
1912	24
1913	47
1914	38
1915	52
1916	259
1917	13
1918	35
1919	62
1920	34
1921	66
1922	92
1923	161
1924	81
1925	164
1926	281
1927	272
1928	219
1929	145
1930	245
1931	723
1932	287
1933	479
1934	587
1935	327
1936	555
1937	336
1938	552
1939	289
1940	337
1941	452
1942	497
1943	510
1944	586
1945	603
1946	317
1947	771
1948	403
1949	456
1950	433
1951	472
1952	988
1953	358
1954	495
1955	417
1956	503
1957	617
1958	836
1959	537
1960	344
1961	601
1962	291
1963	520
1964	258
1965	732
1966	401
1967	487
1968	1,359
1969	1,101
1970	1,059
1971	526
1972	446
1973	763
1974	1,078
1975	591
1976	679
1977	356
1978	918
1979	673
1980	1,242
1981	794
1982	778
1983	950
1984	475
1985	1,031
1986	656
1987	757
1988	1,130
1989	617
1990	1,248
1991	1,113
1992	1,063
1993	722
1994	1,382
1995	722
1996	997
1997	833
1998	1,312
1999	1,061
2000	1,125
2001	758
2002	989
2003	1,010
2004	855
2005	801
2006	1,177
2007	1,287
2008	570
2009	1,015
2010	1,006
2011	965
2012	1,334
2013	743
2014	632
2015	1,136
2016	494
2017	527
2018	652
2019	761
2020	592
2021	1,248
2022	1,003
2023	565
2024	921
2025	466
2026	1,656

Download the Data

Data for records on 1978-06-27: 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).

Histogram of margins by which records were beaten on 27 June 1978
Margin	Records
0 to 10	633
10 to 20	84
20 to 30	30
30 to 40	14
40 to 50	4
50 to 60	1