Weather Records on 27 October 1978

593 weather records were set or tied worldwide on 27 October 1978. Highest significance: Melbourne Regional Office, AU.

Key Facts for 27 October 1978

On 27 October 1978, 593 weather records were set or tied at long-record stations worldwide.
101 were record highs and 66 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 575 daily.
Melbourne Regional Office set a daily record precipitation of 41.0 mm (1.6 in) on 27 October 1978.
Across 159 earlier years (1802 to 2025) the same calendar date averaged 477 records.

Record Map

593 stations

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

Weather records on 27 October 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Melbourne Regional Office	Australia	Record daily precipitation	41.0 mm (1.6 in)	80 of 100 (Exceptional)
Gurrai Post Office	Australia	Record daily precipitation	68.9 mm (2.7 in)	70 of 100 (Major)
Prahran (Como House)	Australia	Record daily precipitation	38.4 mm (1.5 in)	64 of 100 (Major)
Oakleigh (Metropolitan Golf Cl	Australia	Record daily precipitation	42.0 mm (1.7 in)	61 of 100 (Major)
Johanna Glen	Australia	Record daily precipitation	45.2 mm (1.8 in)	61 of 100 (Major)
Pascoe Vale	Australia	Record daily precipitation	43.6 mm (1.7 in)	59 of 100 (Notable)
Birregurra (Post Office)	Australia	Record daily precipitation	54.6 mm (2.1 in)	59 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	104.9 mm (4.1 in)	57 of 100 (Notable)
Humacao 2 SSE	Puerto Rico [United States]	Record daily precipitation	211.3 mm (8.3 in)	56 of 100 (Notable)
Maunabo	Puerto Rico [United States]	Record daily precipitation	121.4 mm (4.8 in)	56 of 100 (Notable)
Gellibrand River West	Australia	Record daily precipitation	47.6 mm (1.9 in)	52 of 100 (Notable)
Krakmo	Norway	Record daily precipitation	50.7 mm (2.0 in)	52 of 100 (Notable)
Woodend (Carlisle Street)	Australia	Record daily precipitation	50.4 mm (2.0 in)	51 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record daily precipitation	37.8 mm (1.5 in)	51 of 100 (Notable)
Novorossijsk	Russia	Record daily precipitation	31.3 mm (1.2 in)	51 of 100 (Notable)
Essendon Airport	Australia	Record daily precipitation	32.2 mm (1.3 in)	50 of 100 (Notable)
Berrybank	Australia	Record daily precipitation	40.0 mm (1.6 in)	50 of 100 (Notable)
Pennyroyal Creek	Australia	Record daily precipitation	76.6 mm (3.0 in)	50 of 100 (Notable)
Saratow	Russia	Record daily precipitation	31.3 mm (1.2 in)	50 of 100 (Notable)
Mornington	Australia	Record daily precipitation	27.2 mm (1.1 in)	49 of 100 (Notable)
Lismore (Post Office)	Australia	Record daily precipitation	49.6 mm (2.0 in)	49 of 100 (Notable)
Cheltenham Kingston Centre	Australia	Record daily precipitation	34.0 mm (1.3 in)	48 of 100 (Notable)
Glenthompson (Brie Brie)	Australia	Record daily precipitation	31.2 mm (1.2 in)	47 of 100 (Notable)
Rowlesburg 1	United States	Record daily precipitation	43.7 mm (1.7 in)	47 of 100 (Notable)
Kanevskaja	Russia	Record daily precipitation	34.0 mm (1.3 in)	46 of 100 (Notable)
Timboon	Australia	Record daily precipitation	47.8 mm (1.9 in)	45 of 100 (Notable)
Deal Island	Australia	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
San Remo	Australia	Record daily precipitation	25.0 mm (1.0 in)	44 of 100 (Notable)
Bentleigh	Australia	Record daily precipitation	40.4 mm (1.6 in)	43 of 100 (Notable)
Beeac (Post Office)	Australia	Record daily precipitation	45.6 mm (1.8 in)	43 of 100 (Notable)
Warrnambool Shire Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Deloraine (Athol)	Australia	Record daily precipitation	40.0 mm (1.6 in)	43 of 100 (Notable)
Juncos 1 SE	Puerto Rico [United States]	Record daily precipitation	102.9 mm (4.1 in)	43 of 100 (Notable)
Slavjansk-Na-Kubani	Russia	Record daily precipitation	34.3 mm (1.4 in)	43 of 100 (Notable)
Caulfield (Racecourse)	Australia	Record daily precipitation	28.0 mm (1.1 in)	41 of 100 (Notable)
Hmas Cerberus	Australia	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
Charleroi Lock 4	United States	Record daily precipitation	33.3 mm (1.3 in)	41 of 100 (Notable)
Marion Ctr 2 SE	United States	Record daily precipitation	29.7 mm (1.2 in)	41 of 100 (Notable)
Weston	United States	Record daily precipitation	43.7 mm (1.7 in)	41 of 100 (Notable)
Willaura (Yarram Park)	Australia	Record daily precipitation	55.0 mm (2.2 in)	40 of 100 (Notable)
Beaconsfield (Mine & Heritage	Australia	Record daily precipitation	39.0 mm (1.5 in)	40 of 100 (Notable)
Coraopolis Neville Is	United States	Record daily precipitation	31.2 mm (1.2 in)	40 of 100 (Notable)
Erudina	Australia	Record daily precipitation	40.0 mm (1.6 in)	39 of 100 (Notable)
Yunta (Paratoo)	Australia	Record daily precipitation	26.0 mm (1.0 in)	39 of 100 (Notable)
Sydenham	Australia	Record daily precipitation	29.0 mm (1.1 in)	39 of 100 (Notable)
Moltema (Craythorne)	Australia	Record daily precipitation	43.4 mm (1.7 in)	39 of 100 (Notable)
Cave Run Lake	United States	Record daily precipitation	43.7 mm (1.7 in)	39 of 100 (Notable)
Confluence 1 NW	United States	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Clarksburg 1	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Mannington 8 WNW	United States	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Bass	Australia	Record daily precipitation	32.2 mm (1.3 in)	38 of 100 (Notable)
Marysville (Post Office)	Australia	Record daily precipitation	37.2 mm (1.5 in)	38 of 100 (Notable)
Apollo Bay	Australia	Record daily precipitation	40.2 mm (1.6 in)	38 of 100 (Notable)
Rio Grande City	United States	Record daily precipitation	54.4 mm (2.1 in)	38 of 100 (Notable)
Lake Lynn	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Morgantown L&D	United States	Record daily precipitation	38.4 mm (1.5 in)	38 of 100 (Notable)
Wonthaggi	Australia	Record daily precipitation	32.4 mm (1.3 in)	37 of 100 (Notable)
Barunah Plains	Australia	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Lake Bolac (Post Office)	Australia	Record daily precipitation	40.2 mm (1.6 in)	37 of 100 (Notable)
Connorville (Lake River)	Australia	Record daily precipitation	25.0 mm (1.0 in)	37 of 100 (Notable)

Counts by Type and Timescale

593 records

Records set or tied on 27 October 1978 by type: Highest daily maximum 47, Lowest daily maximum 33, Highest daily minimum 54, Lowest daily minimum 33, Heaviest daily rainfall 421, Heaviest daily snowfall 2, Deepest snow cover 3.

Records on 27 October 1978 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	33
Highest daily minimum	54
Lowest daily minimum	33
Heaviest daily rainfall	421
Heaviest daily snowfall	2
Deepest snow cover	3

Records on 27 October 1978 by timescale: all-time 0, monthly 18, daily 575.

How Much Records Were Beaten By

531 broken records

Margins by which the 531 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.7. Ties are not counted.

Top 20 by Significance

27 October 1978

Top 20 records on 27 October 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 October 1978	Melbourne Regional Office, AU	daily rain	41.0 mm (1.6 in)	27.5 mm (1.1 in)	113 years	80 of 100 (Exceptional)
27 October 1978	Gurrai Post Office, AU	monthly rain	68.9 mm (2.7 in)	28.3 mm (1.1 in)	48 years	70 of 100 (Major)
27 October 1978	Prahran (Como House), AU	daily rain	38.4 mm (1.5 in)	25.4 mm (1.0 in)	72 years	64 of 100 (Major)
27 October 1978	Oakleigh (Metropolitan Golf Cl, AU	daily rain	42.0 mm (1.7 in)	26.0 mm (1.0 in)	57 years	61 of 100 (Major)
27 October 1978	Johanna Glen, AU	daily rain	45.2 mm (1.8 in)	22.6 mm (0.9 in)	79 years	61 of 100 (Major)
27 October 1978	Pascoe Vale, AU	daily rain	43.6 mm (1.7 in)	33.2 mm (1.3 in)	45 years	59 of 100 (Notable)
27 October 1978	Birregurra (Post Office), AU	daily rain	54.6 mm (2.1 in)	39.4 mm (1.6 in)	41 years	59 of 100 (Notable)
27 October 1978	Ponce 4 E, PR	daily rain	104.9 mm (4.1 in)	76.7 mm (3.0 in)	35 years	57 of 100 (Notable)
27 October 1978	Humacao 2 SSE, PR	monthly rain	211.3 mm (8.3 in)	69.1 mm (2.7 in)	8 years	56 of 100 (Notable)
27 October 1978	Maunabo, PR	daily rain	121.4 mm (4.8 in)	75.7 mm (3.0 in)	43 years	56 of 100 (Notable)
27 October 1978	Gellibrand River West, AU	daily rain	47.6 mm (1.9 in)	19.2 mm (0.8 in)	57 years	52 of 100 (Notable)
27 October 1978	Krakmo, NO	daily rain	50.7 mm (2.0 in)	26.9 mm (1.1 in)	73 years	52 of 100 (Notable)
27 October 1978	Woodend (Carlisle Street), AU	monthly rain	50.4 mm (2.0 in)	4.7 mm (0.19 in)	86 years	51 of 100 (Notable)
27 October 1978	Cape Otway Lighthouse, AU	daily rain	37.8 mm (1.5 in)	14.9 mm (0.6 in)	57 years	51 of 100 (Notable)
27 October 1978	Novorossijsk, RU	daily rain	31.3 mm (1.2 in)	19.7 mm (0.8 in)	68 years	51 of 100 (Notable)
27 October 1978	Essendon Airport, AU	daily rain	32.2 mm (1.3 in)	21.8 mm (0.9 in)	45 years	50 of 100 (Notable)
27 October 1978	Berrybank, AU	daily rain	40.0 mm (1.6 in)	23.0 mm (0.9 in)	4 years	50 of 100 (Notable)
27 October 1978	Pennyroyal Creek, AU	daily rain	76.6 mm (3.0 in)	52.7 mm (2.1 in)	4 years	50 of 100 (Notable)
27 October 1978	Saratow, RU	daily rain	31.3 mm (1.2 in)	23.3 mm (0.9 in)	23 years	50 of 100 (Notable)
27 October 1978	Mornington, AU	daily rain	27.2 mm (1.1 in)	12.0 mm (0.5 in)	72 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

1802 to 1978

Records set or tied on this calendar date in each year from 1802 to 1978. 1978 had 593 records.

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

Records on 10-27 in each year
Year	Records
1802	1
1807	1
1816	1
1831	1
1838	1
1840	1
1841	2
1847	2
1849	2
1856	2
1861	1
1866	4
1869	4
1870	2
1871	2
1873	1
1874	2
1876	1
1878	1
1880	2
1881	2
1885	2
1886	2
1887	5
1888	3
1889	1
1890	2
1892	3
1893	2
1894	2
1895	3
1896	2
1898	4
1899	14
1900	9
1901	5
1902	8
1903	23
1904	6
1905	11
1906	11
1907	9
1908	16
1909	13
1910	14
1911	20
1912	42
1913	91
1914	54
1915	65
1916	28
1917	45
1918	77
1919	74
1920	98
1921	37
1922	97
1923	63
1924	104
1925	383
1926	176
1927	521
1928	162
1929	92
1930	158
1931	241
1932	319
1933	313
1934	173
1935	266
1936	725
1937	477
1938	160
1939	836
1940	605
1941	409
1942	629
1943	479
1944	519
1945	674
1946	450
1947	551
1948	160
1949	182
1950	603
1951	269
1952	640
1953	285
1954	493
1955	578
1956	339
1957	1,116
1958	163
1959	376
1960	180
1961	428
1962	704
1963	798
1964	294
1965	284
1966	256
1967	485
1968	436
1969	532
1970	1,071
1971	1,157
1972	694
1973	719
1974	384
1975	424
1976	1,387
1977	608
1978	593
1979	553
1980	1,148
1981	1,076
1982	793
1983	707
1984	1,183
1985	592
1986	531
1987	863
1988	829
1989	1,506
1990	441
1991	1,722
1992	703
1993	667
1994	894
1995	1,238
1996	1,651
1997	2,783
1998	1,696
1999	991
2000	832
2001	1,100
2002	1,040
2003	1,669
2004	1,546
2005	897
2006	1,442
2007	950
2008	650
2009	954
2010	1,676
2011	690
2012	991
2013	706
2014	973
2015	395
2016	761
2017	582
2018	701
2019	1,364
2020	2,886
2021	536
2022	657
2023	1,668
2024	694
2025	524

Download the Data

Data for records on 1978-10-27: 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 10	361
10 to 20	115
20 to 30	42
30 to 40	4
40 to 50	3
50 to 60	2
60 to 70	1
70 to 80	3