Weather Records on 11 May 1978

1,070 weather records were set or tied worldwide on 11 May 1978. Highest significance: Vladikavkaz, RU.

Key Facts for 11 May 1978

On 11 May 1978, 1,070 weather records were set or tied at long-record stations worldwide.
177 were record highs and 383 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 41 monthly and 1,029 daily.
Vladikavkaz set a monthly record daily precipitation of 118.1 mm (4.6 in) on 11 May 1978.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 459 records.

Record Map

1,070 stations

1,070 station records on 11 May 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vladikavkaz	Russia	Record daily precipitation	118.1 mm (4.6 in)	79 of 100 (Major)
Bustard Head Lighthouse	Australia	Record daily precipitation	88.6 mm (3.5 in)	73 of 100 (Major)
Glenthompson (Brie Brie)	Australia	Record daily precipitation	52.0 mm (2.0 in)	71 of 100 (Major)
Yaamba	Australia	Record daily precipitation	112.8 mm (4.4 in)	67 of 100 (Major)
Marlborough Post Office	Australia	Record daily precipitation	65.0 mm (2.6 in)	65 of 100 (Major)
Cowell	Australia	Record daily precipitation	30.8 mm (1.2 in)	64 of 100 (Major)
Red Range (Victoria St)	Australia	Record daily precipitation	69.0 mm (2.7 in)	63 of 100 (Major)
Lower Light	Australia	Record daily precipitation	29.6 mm (1.2 in)	61 of 100 (Major)
Emu Park Hill St	Australia	Record daily precipitation	76.0 mm (3.0 in)	58 of 100 (Notable)
Auburn	Australia	Record daily precipitation	33.4 mm (1.3 in)	57 of 100 (Notable)
Stanwell Post Office	Australia	Record daily precipitation	54.0 mm (2.1 in)	53 of 100 (Notable)
Charlotte Plains	Australia	Record daily precipitation	42.0 mm (1.7 in)	53 of 100 (Notable)
Balmoral Station	Australia	Record daily precipitation	86.0 mm (3.4 in)	52 of 100 (Notable)
Nebo	Australia	Record daily precipitation	86.0 mm (3.4 in)	51 of 100 (Notable)
Lady Elliot Island	Australia	Record daily precipitation	100.6 mm (4.0 in)	51 of 100 (Notable)
Sarina Post Office	Australia	Record daily precipitation	65.0 mm (2.6 in)	50 of 100 (Notable)
Emmaville Post Office	Australia	Record daily precipitation	69.0 mm (2.7 in)	50 of 100 (Notable)
Orange (McLaughlin St)	Australia	Record daily precipitation	57.0 mm (2.2 in)	50 of 100 (Notable)
St Lawrence Post Office	Australia	Record daily precipitation	50.0 mm (2.0 in)	49 of 100 (Notable)
Cape Capricorn Lighthouse	Australia	Record daily precipitation	108.6 mm (4.3 in)	49 of 100 (Notable)
Weabonga (Monomeeth)	Australia	Record daily precipitation	37.3 mm (1.5 in)	49 of 100 (Notable)
Sunny Corner (Snow Line)	Australia	Record daily precipitation	64.0 mm (2.5 in)	49 of 100 (Notable)
Cargo Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	49 of 100 (Notable)
Colinet	Canada	Record daily precipitation	54.6 mm (2.1 in)	49 of 100 (Notable)
Mallala	Australia	Record daily precipitation	27.0 mm (1.1 in)	48 of 100 (Notable)
Koumala Hatfields Road	Australia	Record daily precipitation	61.0 mm (2.4 in)	48 of 100 (Notable)
Nevertire (Clyde St)	Australia	Record daily precipitation	34.0 mm (1.3 in)	48 of 100 (Notable)
Wilmington	Australia	Record daily precipitation	36.3 mm (1.4 in)	47 of 100 (Notable)
Collaroy Station	Australia	Record daily precipitation	47.2 mm (1.9 in)	47 of 100 (Notable)
Bruthen (Post Office)	Australia	Record daily precipitation	48.6 mm (1.9 in)	47 of 100 (Notable)
Salgadinho	Brazil	Record daily precipitation	75.4 mm (3.0 in)	47 of 100 (Notable)
Voewood	Australia	Record daily precipitation	70.0 mm (2.8 in)	46 of 100 (Notable)
Japaratuba	Brazil	Record daily precipitation	133.4 mm (5.3 in)	46 of 100 (Notable)
Kuujjuarapik A	Canada	Record daily precipitation	27.1 mm (1.1 in)	46 of 100 (Notable)
Clare Post Office	Australia	Record daily precipitation	31.2 mm (1.2 in)	45 of 100 (Notable)
Armidale (Radio Station 2Ad)	Australia	Record daily precipitation	29.4 mm (1.2 in)	45 of 100 (Notable)
Lakes Entrance Post Office	Australia	Record daily precipitation	48.4 mm (1.9 in)	45 of 100 (Notable)
Madalya	Australia	Record daily precipitation	26.4 mm (1.0 in)	44 of 100 (Notable)
Delungra (Craigmore)	Australia	Record daily precipitation	32.2 mm (1.3 in)	43 of 100 (Notable)
Dungowan Station	Australia	Record daily precipitation	30.4 mm (1.2 in)	43 of 100 (Notable)
Barry	Australia	Record daily precipitation	35.8 mm (1.4 in)	43 of 100 (Notable)
Nicholson (Yendalock)	Australia	Record daily precipitation	44.0 mm (1.7 in)	43 of 100 (Notable)
Odienne	Cote D'Ivoire	Record daily precipitation	77.2 mm (3.0 in)	43 of 100 (Notable)
Mount McConnell	Australia	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Rockhampton Aero	Australia	Record daily precipitation	72.0 mm (2.8 in)	42 of 100 (Notable)
Plane Creek Sugar Mill	Australia	Record daily precipitation	53.4 mm (2.1 in)	41 of 100 (Notable)
Gracemere Russell St	Australia	Record daily precipitation	73.2 mm (2.9 in)	41 of 100 (Notable)
Lagoa da Canoa	Brazil	Record daily precipitation	47.1 mm (1.9 in)	41 of 100 (Notable)
Emerald Post Office	Australia	Record low maximum temperature	18.0 C (64.4 F)	40 of 100 (Notable)
Moonmera	Australia	Record daily precipitation	65.0 mm (2.6 in)	40 of 100 (Notable)
Walterhall	Australia	Record daily precipitation	56.4 mm (2.2 in)	40 of 100 (Notable)
Dandaloo (Skye)	Australia	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record low minimum temperature	0.0 C (32.0 F)	40 of 100 (Notable)
Pacific Heights	Australia	Record daily precipitation	77.0 mm (3.0 in)	39 of 100 (Notable)
Bundabaroo	Australia	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Bundaberg Post Office	Australia	Record low maximum temperature	19.6 C (67.3 F)	39 of 100 (Notable)
Darts Creek	Australia	Record daily precipitation	60.0 mm (2.4 in)	39 of 100 (Notable)
Kabra Railway STN	Australia	Record daily precipitation	68.0 mm (2.7 in)	39 of 100 (Notable)
O'Connell (Stratford)	Australia	Record daily precipitation	43.6 mm (1.7 in)	39 of 100 (Notable)
Molong (King St)	Australia	Record daily precipitation	42.6 mm (1.7 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,070 records

Records set or tied on 11 May 1978 by type: Highest daily maximum 48, Lowest daily maximum 209, Highest daily minimum 129, Lowest daily minimum 174, Heaviest daily rainfall 500, Heaviest daily snowfall 4, Deepest snow cover 6.

Records on 11 May 1978 by type
Record type	Records
Highest daily maximum	48
Lowest daily maximum	209
Highest daily minimum	129
Lowest daily minimum	174
Heaviest daily rainfall	500
Heaviest daily snowfall	4
Deepest snow cover	6

Records on 11 May 1978 by timescale: all-time 0, monthly 41, daily 1,029.

How Much Records Were Beaten By

965 broken records

Margins by which the 965 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 190.0. Ties are not counted.

Top 20 by Significance

11 May 1978

Top 20 records on 11 May 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1978	Vladikavkaz, RU	monthly rain	118.1 mm (4.6 in)	48.1 mm (1.9 in)	66 years	79 of 100 (Major)
11 May 1978	Bustard Head Lighthouse, AU	daily rain	88.6 mm (3.5 in)	67.0 mm (2.6 in)	80 years	73 of 100 (Major)
11 May 1978	Glenthompson (Brie Brie), AU	daily rain	52.0 mm (2.0 in)	35.0 mm (1.4 in)	72 years	71 of 100 (Major)
11 May 1978	Yaamba, AU	daily rain	112.8 mm (4.4 in)	102.6 mm (4.0 in)	64 years	67 of 100 (Major)
11 May 1978	Marlborough Post Office, AU	daily rain	65.0 mm (2.6 in)	52.0 mm (2.0 in)	64 years	65 of 100 (Major)
11 May 1978	Cowell, AU	daily rain	30.8 mm (1.2 in)	19.4 mm (0.8 in)	52 years	64 of 100 (Major)
11 May 1978	Red Range (Victoria St), AU	daily rain	69.0 mm (2.7 in)	40.0 mm (1.6 in)	52 years	63 of 100 (Major)
11 May 1978	Lower Light, AU	daily rain	29.6 mm (1.2 in)	21.7 mm (0.9 in)	47 years	61 of 100 (Major)
11 May 1978	Emu Park Hill St, AU	daily rain	76.0 mm (3.0 in)	54.7 mm (2.2 in)	80 years	58 of 100 (Notable)
11 May 1978	Auburn, AU	daily rain	33.4 mm (1.3 in)	15.6 mm (0.6 in)	93 years	57 of 100 (Notable)
11 May 1978	Stanwell Post Office, AU	daily rain	54.0 mm (2.1 in)	41.3 mm (1.6 in)	80 years	53 of 100 (Notable)
11 May 1978	Charlotte Plains, AU	daily rain	42.0 mm (1.7 in)	31.8 mm (1.3 in)	37 years	53 of 100 (Notable)
11 May 1978	Balmoral Station, AU	daily rain	86.0 mm (3.4 in)	70.0 mm (2.8 in)	21 years	52 of 100 (Notable)
11 May 1978	Nebo, AU	monthly rain	86.0 mm (3.4 in)	9.8 mm (0.39 in)	74 years	51 of 100 (Notable)
11 May 1978	Lady Elliot Island, AU	daily rain	100.6 mm (4.0 in)	86.4 mm (3.4 in)	25 years	51 of 100 (Notable)
11 May 1978	Sarina Post Office, AU	daily rain	65.0 mm (2.6 in)	44.7 mm (1.8 in)	64 years	50 of 100 (Notable)
11 May 1978	Emmaville Post Office, AU	daily rain	69.0 mm (2.7 in)	30.9 mm (1.2 in)	52 years	50 of 100 (Notable)
11 May 1978	Orange (McLaughlin St), AU	daily rain	57.0 mm (2.2 in)	24.7 mm (1.0 in)	52 years	50 of 100 (Notable)
11 May 1978	St Lawrence Post Office, AU	daily rain	50.0 mm (2.0 in)	28.2 mm (1.1 in)	64 years	49 of 100 (Notable)
11 May 1978	Cape Capricorn Lighthouse, AU	daily rain	108.6 mm (4.3 in)	89.8 mm (3.5 in)	5 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

1814 to 1978

Records set or tied on this calendar date in each year from 1814 to 1978. 1978 had 1,070 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 1978-05-11: 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 25	890
25 to 50	51
50 to 75	19
75 to 100	3
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	1