Weather Records on 27 August 1978

671 weather records were set or tied worldwide on 27 August 1978. Highest significance: Borns (Pol), ZA.

Key Facts for 27 August 1978

On 27 August 1978, 671 weather records were set or tied at long-record stations worldwide.
100 were record highs and 292 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 33 monthly and 636 daily.
Borns (Pol) set a monthly record daily precipitation of 125.0 mm (4.9 in) on 27 August 1978.
Across 165 earlier years (1807 to 2026) the same calendar date averaged 436 records.

Record Map

671 stations

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

Weather records on 27 August 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Borns (Pol)	South Africa	Record daily precipitation	125.0 mm (4.9 in)	61 of 100 (Major)
Alexandria 4 WSW	United States	Record daily precipitation	112.5 mm (4.4 in)	58 of 100 (Notable)
Hastings Dam 2	United States	Record daily precipitation	80.0 mm (3.1 in)	57 of 100 (Notable)
Dunbar Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	55 of 100 (Notable)
Big Rapids Wtp	United States	Record daily precipitation	68.1 mm (2.7 in)	55 of 100 (Notable)
Ludington 4 SE	United States	Record daily precipitation	77.7 mm (3.1 in)	55 of 100 (Notable)
Castlewood	United States	Record daily precipitation	113.3 mm (4.5 in)	55 of 100 (Notable)
Lucerne	United States	Record daily precipitation	76.2 mm (3.0 in)	53 of 100 (Notable)
Farmington 3NW	United States	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Oaklandon Geist Rsvr	United States	Record daily precipitation	62.2 mm (2.4 in)	47 of 100 (Notable)
Ortonville	United States	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Mirtna	Australia	Record daily precipitation	25.1 mm (1.0 in)	42 of 100 (Notable)
Williamsburg 1E	United States	Record daily precipitation	39.4 mm (1.6 in)	42 of 100 (Notable)
Bethany	United States	Record daily precipitation	61.2 mm (2.4 in)	42 of 100 (Notable)
Pembina	United States	Record daily precipitation	73.7 mm (2.9 in)	42 of 100 (Notable)
Indianapolis	United States	Record daily precipitation	66.0 mm (2.6 in)	42 of 100 (Notable)
Princeton	United States	Record daily precipitation	67.6 mm (2.7 in)	41 of 100 (Notable)
Chadron 3SW	United States	Record daily precipitation	27.7 mm (1.1 in)	41 of 100 (Notable)
Resolute Cars	Canada	Record daily snowfall	5.6 cm (2.2 in)	40 of 100 (Notable)
Chemnitz	Germany	Record low maximum temperature	12.1 C (53.8 F)	40 of 100 (Notable)
Pitea	Sweden	Record daily precipitation	29.5 mm (1.2 in)	40 of 100 (Notable)
Scottville 1 NE	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Wilmot	United States	Record daily precipitation	61.5 mm (2.4 in)	40 of 100 (Notable)
Clearwater	United States	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Minneapolis-St Paul Intl AP	United States	Record daily precipitation	71.1 mm (2.8 in)	40 of 100 (Notable)
Bamberg	Germany	Record low minimum temperature	3.5 C (38.3 F)	39 of 100 (Notable)
Louisville 1 E	United States	Record daily precipitation	91.4 mm (3.6 in)	39 of 100 (Notable)
Niles	United States	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Rock 1 E	United States	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Newark Wtr Wks	United States	Record daily precipitation	60.2 mm (2.4 in)	39 of 100 (Notable)
River Falls	United States	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Maple Plain	United States	Record daily precipitation	64.3 mm (2.5 in)	38 of 100 (Notable)
Hannah 2 N	United States	Record daily precipitation	47.0 mm (1.9 in)	38 of 100 (Notable)
Wessington 2SE	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Philip AP	United States	Record daily precipitation	45.7 mm (1.8 in)	38 of 100 (Notable)
San Javier	Mexico	Record daily precipitation	134.9 mm (5.3 in)	37 of 100 (Notable)
Waynesboro 2 S	United States	Record daily precipitation	83.1 mm (3.3 in)	37 of 100 (Notable)
Virtsu	Estonia	Record daily precipitation	37.5 mm (1.5 in)	36 of 100 (Notable)
Karlsruhe	Germany	Record low minimum temperature	6.6 C (43.9 F)	36 of 100 (Notable)
Hogson	Sweden	Record daily precipitation	33.8 mm (1.3 in)	36 of 100 (Notable)
Ft Scott	United States	Record daily precipitation	71.1 mm (2.8 in)	36 of 100 (Notable)
Chama	United States	Record low minimum temperature	0.6 C (33.1 F)	36 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Pine River 3 NE	United States	Record daily precipitation	28.7 mm (1.1 in)	36 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record low maximum temperature	13.6 C (56.5 F)	35 of 100 (Notable)
Ulricehamn	Sweden	Record low maximum temperature	11.4 C (52.5 F)	35 of 100 (Notable)
Anderson 1 N	United States	Record daily precipitation	49.5 mm (1.9 in)	35 of 100 (Notable)
Vinton	United States	Record daily precipitation	63.5 mm (2.5 in)	34 of 100 (Routine)
Kings Mills	United States	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Milbank 4 NW	United States	Record daily precipitation	51.3 mm (2.0 in)	34 of 100 (Routine)
Brandon Cda	Canada	Record high minimum temperature	17.0 C (62.6 F)	33 of 100 (Routine)
Los Gatos	United States	Record low minimum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Tasiilaq	Greenland [Denmark]	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Fichtelberg	Germany	Record low minimum temperature	2.0 C (35.6 F)	32 of 100 (Routine)
Brocken	Germany	Record low minimum temperature	1.9 C (35.4 F)	32 of 100 (Routine)
Flahult	Sweden	Record low maximum temperature	10.7 C (51.3 F)	32 of 100 (Routine)
Lulea-Bergnaset	Sweden	Record daily precipitation	32.3 mm (1.3 in)	32 of 100 (Routine)
Lulea	Sweden	Record daily precipitation	32.3 mm (1.3 in)	32 of 100 (Routine)
Brookfield	United States	Record daily precipitation	47.8 mm (1.9 in)	32 of 100 (Routine)
Koster (Pol)	South Africa	Record daily precipitation	48.0 mm (1.9 in)	31 of 100 (Routine)

Counts by Type and Timescale

671 records

Records set or tied on 27 August 1978 by type: Highest daily maximum 44, Lowest daily maximum 121, Highest daily minimum 56, Lowest daily minimum 171, Heaviest daily rainfall 278, Heaviest daily snowfall 1.

Records on 27 August 1978 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	121
Highest daily minimum	56
Lowest daily minimum	171
Heaviest daily rainfall	278
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 27 August 1978 by timescale: all-time 2, monthly 33, daily 636.

How Much Records Were Beaten By

560 broken records

Margins by which the 560 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 94.0. Ties are not counted.

Top 20 by Significance

27 August 1978

Top 20 records on 27 August 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 August 1978	Borns (Pol), ZA	monthly rain	125.0 mm (4.9 in)	94.0 mm (3.7 in)	21 years	61 of 100 (Major)
27 August 1978	Alexandria 4 WSW, US	monthly rain	112.5 mm (4.4 in)	48.0 mm (1.9 in)	1 year	58 of 100 (Notable)
27 August 1978	Hastings Dam 2, US	daily rain	80.0 mm (3.1 in)	67.3 mm (2.6 in)	32 years	57 of 100 (Notable)
27 August 1978	Dunbar Station, AU	daily rain	34.0 mm (1.3 in)	34.0 mm (1.3 in)	55 years	55 of 100 (Notable)
27 August 1978	Big Rapids Wtp, US	daily rain	68.1 mm (2.7 in)	34.6 mm (1.4 in)	56 years	55 of 100 (Notable)
27 August 1978	Ludington 4 SE, US	daily rain	77.7 mm (3.1 in)	48.0 mm (1.9 in)	35 years	55 of 100 (Notable)
27 August 1978	Castlewood, US	monthly rain	113.3 mm (4.5 in)	20.3 mm (0.8 in)	69 years	55 of 100 (Notable)
27 August 1978	Lucerne, US	daily rain	76.2 mm (3.0 in)	62.5 mm (2.5 in)	33 years	53 of 100 (Notable)
27 August 1978	Farmington 3NW, US	daily rain	63.5 mm (2.5 in)	39.4 mm (1.6 in)	33 years	48 of 100 (Notable)
27 August 1978	Oaklandon Geist Rsvr, US	daily rain	62.2 mm (2.4 in)	54.3 mm (2.1 in)	11 years	47 of 100 (Notable)
27 August 1978	Ortonville, US	daily rain	63.5 mm (2.5 in)	16.8 mm (0.7 in)	85 years	43 of 100 (Notable)
27 August 1978	Mirtna, AU	daily rain	25.1 mm (1.0 in)	17.7 mm (0.7 in)	60 years	42 of 100 (Notable)
27 August 1978	Williamsburg 1E, US	daily rain	39.4 mm (1.6 in)	15.8 mm (0.6 in)	82 years	42 of 100 (Notable)
27 August 1978	Bethany, US	daily rain	61.2 mm (2.4 in)	18.3 mm (0.7 in)	75 years	42 of 100 (Notable)
27 August 1978	Pembina, US	daily rain	73.7 mm (2.9 in)	20.4 mm (0.8 in)	51 years	42 of 100 (Notable)
27 August 1978	Indianapolis, US	daily rain	66.0 mm (2.6 in)	44.4 mm (1.7 in)	20 years	42 of 100 (Notable)
27 August 1978	Princeton, US	daily rain	67.6 mm (2.7 in)	16.8 mm (0.7 in)	75 years	41 of 100 (Notable)
27 August 1978	Chadron 3SW, US	daily rain	27.7 mm (1.1 in)	17.0 mm (0.7 in)	44 years	41 of 100 (Notable)
27 August 1978	Resolute Cars, CA	daily snowfall	5.6 cm (2.2 in)	4.6 cm (1.8 in)	21 years	40 of 100 (Notable)
27 August 1978	Chemnitz, DE	daily low max	12.1 C (53.8 F)	1.7 C (3.1 F)	93 years	40 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

1807 to 1978

Records set or tied on this calendar date in each year from 1807 to 1978. 1978 had 671 records.

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

Records on 08-27 in each year
Year	Records
1807	3
1810	1
1811	1
1813	1
1816	1
1827	1
1829	1
1834	1
1846	1
1847	1
1848	1
1854	1
1857	1
1858	1
1859	1
1863	1
1864	3
1865	2
1869	1
1870	1
1871	1
1874	1
1876	1
1877	4
1880	1
1881	2
1882	1
1884	3
1885	2
1886	2
1887	2
1889	1
1890	10
1891	4
1892	1
1894	7
1895	1
1896	4
1899	5
1900	5
1901	6
1902	2
1903	22
1904	4
1905	16
1906	27
1907	9
1908	10
1909	10
1910	6
1911	16
1912	40
1913	10
1914	31
1915	37
1916	106
1917	57
1918	18
1919	78
1920	36
1921	27
1922	52
1923	63
1924	245
1925	102
1926	143
1927	395
1928	197
1929	80
1930	247
1931	205
1932	355
1933	368
1934	249
1935	348
1936	806
1937	679
1938	374
1939	191
1940	468
1941	504
1942	476
1943	581
1944	811
1945	414
1946	345
1947	291
1948	987
1949	475
1950	380
1951	415
1952	402
1953	712
1954	594
1955	485
1956	387
1957	615
1958	213
1959	522
1960	365
1961	365
1962	577
1963	335
1964	400
1965	440
1966	406
1967	887
1968	517
1969	780
1970	1,361
1971	640
1972	722
1973	1,519
1974	722
1975	506
1976	565
1977	793
1978	671
1979	917
1980	478
1981	998
1982	828
1983	823
1984	683
1985	660
1986	1,072
1987	1,356
1988	601
1989	854
1990	761
1991	813
1992	1,657
1993	1,087
1994	696
1995	1,143
1996	968
1997	1,189
1998	1,387
1999	1,258
2000	865
2001	1,304
2002	1,027
2003	916
2004	1,037
2005	733
2006	1,090
2007	958
2008	885
2009	701
2010	1,045
2011	1,518
2012	626
2013	629
2014	582
2015	832
2016	968
2017	838
2018	933
2019	1,013
2020	777
2021	635
2022	470
2023	953
2024	600
2025	1,218
2026	815

Download the Data

Data for records on 1978-08-27: 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).

Margin	Records
0 to 20	516
20 to 40	32
40 to 60	9
60 to 80	2
80 to 100	1