Weather Records on 7 May 1979

888 weather records were set or tied worldwide on 7 May 1979. Highest significance: Warialda Post Office, AU.

Key Facts for 7 May 1979

On 7 May 1979, 888 weather records were set or tied at long-record stations worldwide.
102 were record highs and 400 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 40 monthly and 848 daily.
Warialda Post Office set a monthly record daily precipitation of 152.2 mm (6.0 in) on 7 May 1979.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 416 records.

Record Map

888 stations

888 station records on 7 May 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Warialda Post Office	Australia	Record daily precipitation	152.2 mm (6.0 in)	72 of 100 (Major)
Mundo Novo	Brazil	Record daily precipitation	70.5 mm (2.8 in)	62 of 100 (Major)
Rankins Springs	Australia	Record daily precipitation	43.6 mm (1.7 in)	58 of 100 (Notable)
Moosomin	Canada	Record daily snowfall	10.5 cm (4.1 in)	52 of 100 (Notable)
Happy Camp Rs	United States	Record daily precipitation	58.2 mm (2.3 in)	52 of 100 (Notable)
Lake Cargelligo (Wooyeo)	Australia	Record daily precipitation	25.4 mm (1.0 in)	51 of 100 (Notable)
Hillston (Essex)	Australia	Record daily precipitation	36.8 mm (1.4 in)	50 of 100 (Notable)
Yenda (Blue Plains)	Australia	Record daily precipitation	36.0 mm (1.4 in)	50 of 100 (Notable)
Ft Jones Rs	United States	Record daily precipitation	37.6 mm (1.5 in)	50 of 100 (Notable)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	41.8 mm (1.6 in)	49 of 100 (Notable)
Rifle	United States	Record daily precipitation	25.1 mm (1.0 in)	49 of 100 (Notable)
Premer Post Office	Australia	Record daily precipitation	40.0 mm (1.6 in)	48 of 100 (Notable)
Wombat (Tumbleton)	Australia	Record daily precipitation	43.0 mm (1.7 in)	48 of 100 (Notable)
Cedar City AP	United States	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Wilcannia (Burndoo Estate)	Australia	Record daily precipitation	26.4 mm (1.0 in)	47 of 100 (Notable)
Temora Research Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Wyalong Post Office	Australia	Record daily precipitation	39.0 mm (1.5 in)	47 of 100 (Notable)
Pyramid	United States	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Dauphin A	Canada	Record daily snowfall	14.2 cm (5.6 in)	45 of 100 (Notable)
Usina Tamoio (Bela Vista)	Brazil	Record daily precipitation	54.5 mm (2.1 in)	44 of 100 (Notable)
Yampa	United States	Record daily snowfall	17.8 cm (7.0 in)	43 of 100 (Notable)
Nurnberg	Germany	Record low minimum temperature	-3.2 C (26.2 F)	41 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record low minimum temperature	0.4 C (32.7 F)	41 of 100 (Notable)
Tower 2S	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Merriwa (Merry Vale)	Australia	Record daily precipitation	102.0 mm (4.0 in)	40 of 100 (Notable)
Aracatuba	Brazil	Record daily precipitation	53.0 mm (2.1 in)	40 of 100 (Notable)
Tooma	Estonia	Record daily precipitation	29.8 mm (1.2 in)	40 of 100 (Notable)
Hvar	Croatia	Record low maximum temperature	14.6 C (58.3 F)	40 of 100 (Notable)
Mundarlo (Yabtree)	Australia	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Kilmashogue,Lowlands	South Africa	Record daily precipitation	45.8 mm (1.8 in)	39 of 100 (Notable)
Sierraville Rs	United States	Record daily precipitation	25.4 mm (1.0 in)	39 of 100 (Notable)
Garah Post Office	Australia	Record daily precipitation	78.0 mm (3.1 in)	38 of 100 (Notable)
Barellan (Rodmell)	Australia	Record daily precipitation	31.2 mm (1.2 in)	38 of 100 (Notable)
Richmond	Canada	Record low minimum temperature	-6.1 C (21.0 F)	38 of 100 (Notable)
Woodfords	United States	Record daily snowfall	5.6 cm (2.2 in)	38 of 100 (Notable)
Glenwood Spgs #2	United States	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Westcliffe	United States	Record high minimum temperature	11.1 C (52.0 F)	38 of 100 (Notable)
Bandon 2 NNE	United States	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
Binya Post Office	Australia	Record daily precipitation	25.8 mm (1.0 in)	36 of 100 (Notable)
Bremen-Seefahrtschule	Germany	Record low minimum temperature	-1.1 C (30.0 F)	36 of 100 (Notable)
Arnsberg	Germany	Record low minimum temperature	-2.8 C (27.0 F)	36 of 100 (Notable)
Gloucester Post Office	Australia	Record daily precipitation	94.0 mm (3.7 in)	35 of 100 (Notable)
Moroni	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Portland (Jamieson St)	Australia	Record daily precipitation	30.4 mm (1.2 in)	34 of 100 (Routine)
Marrar (Centenary Drive)	Australia	Record daily precipitation	25.2 mm (1.0 in)	34 of 100 (Routine)
Utsira Fyr	Norway	Record low minimum temperature	0.8 C (33.4 F)	34 of 100 (Routine)
Green Mt Dam	United States	Record daily snowfall	27.9 cm (11.0 in)	34 of 100 (Routine)
Rolla 1NE	United States	Record low maximum temperature	0.6 C (33.1 F)	34 of 100 (Routine)
Yorkton A	Canada	Record daily snowfall	6.1 cm (2.4 in)	33 of 100 (Routine)
Gander Int'l A	Canada	Record daily snowfall	9.4 cm (3.7 in)	33 of 100 (Routine)
Sombrerete (Dge)	Mexico	Record low minimum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Fajardo	Puerto Rico [United States]	Record low minimum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Red Rvr	United States	Record high minimum temperature	7.2 C (45.0 F)	33 of 100 (Routine)
Dunmore State Forest	Australia	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Greenethorpe (Iandra)	Australia	Record daily precipitation	32.4 mm (1.3 in)	32 of 100 (Routine)
Swan River	Canada	Record daily snowfall	9.7 cm (3.8 in)	32 of 100 (Routine)
Zomerkomst (Bos)	South Africa	Record daily precipitation	37.0 mm (1.5 in)	32 of 100 (Routine)
Middletown	United States	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Luna Rs	United States	Record high minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Waialua 847	United States	Record low minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)

Counts by Type and Timescale

888 records

Records set or tied on 7 May 1979 by type: Highest daily maximum 37, Lowest daily maximum 171, Highest daily minimum 65, Lowest daily minimum 229, Heaviest daily rainfall 310, Heaviest daily snowfall 61, Deepest snow cover 15.

Records on 7 May 1979 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	171
Highest daily minimum	65
Lowest daily minimum	229
Heaviest daily rainfall	310
Heaviest daily snowfall	61
Deepest snow cover	15

Records on 7 May 1979 by timescale: all-time 0, monthly 40, daily 848.

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 152.0. Ties are not counted.

Top 20 by Significance

7 May 1979

Top 20 records on 7 May 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1979	Warialda Post Office, AU	monthly rain	152.2 mm (6.0 in)	49.3 mm (1.9 in)	40 years	72 of 100 (Major)
7 May 1979	Mundo Novo, BR	daily rain	70.5 mm (2.8 in)	42.2 mm (1.7 in)	54 years	62 of 100 (Major)
7 May 1979	Rankins Springs, AU	daily rain	43.6 mm (1.7 in)	25.1 mm (1.0 in)	73 years	58 of 100 (Notable)
7 May 1979	Moosomin, CA	daily snowfall	10.5 cm (4.1 in)	10.5 cm (4.1 in)	78 years	52 of 100 (Notable)
7 May 1979	Happy Camp Rs, US	daily rain	58.2 mm (2.3 in)	25.7 mm (1.0 in)	45 years	52 of 100 (Notable)
7 May 1979	Lake Cargelligo (Wooyeo), AU	daily rain	25.4 mm (1.0 in)	21.8 mm (0.9 in)	53 years	51 of 100 (Notable)
7 May 1979	Hillston (Essex), AU	daily rain	36.8 mm (1.4 in)	31.2 mm (1.2 in)	24 years	50 of 100 (Notable)
7 May 1979	Yenda (Blue Plains), AU	daily rain	36.0 mm (1.4 in)	28.4 mm (1.1 in)	18 years	50 of 100 (Notable)
7 May 1979	Ft Jones Rs, US	daily rain	37.6 mm (1.5 in)	20.6 mm (0.8 in)	26 years	50 of 100 (Notable)
7 May 1979	West Wyalong (Tallimbalong), AU	daily rain	41.8 mm (1.6 in)	23.3 mm (0.9 in)	33 years	49 of 100 (Notable)
7 May 1979	Rifle, US	daily rain	25.1 mm (1.0 in)	16.5 mm (0.6 in)	17 years	49 of 100 (Notable)
7 May 1979	Premer Post Office, AU	daily rain	40.0 mm (1.6 in)	19.2 mm (0.8 in)	76 years	48 of 100 (Notable)
7 May 1979	Wombat (Tumbleton), AU	daily rain	43.0 mm (1.7 in)	16.3 mm (0.6 in)	76 years	48 of 100 (Notable)
7 May 1979	Cedar City AP, US	daily rain	30.0 mm (1.2 in)	25.2 mm (1.0 in)	17 years	48 of 100 (Notable)
7 May 1979	Wilcannia (Burndoo Estate), AU	daily rain	26.4 mm (1.0 in)	16.2 mm (0.6 in)	60 years	47 of 100 (Notable)
7 May 1979	Temora Research Station, AU	daily rain	34.0 mm (1.3 in)	22.1 mm (0.9 in)	33 years	47 of 100 (Notable)
7 May 1979	Wyalong Post Office, AU	daily rain	39.0 mm (1.5 in)	13.6 mm (0.5 in)	76 years	47 of 100 (Notable)
7 May 1979	Pyramid, US	daily rain	25.4 mm (1.0 in)	19.6 mm (0.8 in)	0 years	46 of 100 (Notable)
7 May 1979	Dauphin A, CA	daily snowfall	14.2 cm (5.6 in)	11.9 cm (4.7 in)	21 years	45 of 100 (Notable)
7 May 1979	Usina Tamoio (Bela Vista), BR	daily rain	54.5 mm (2.1 in)	43.5 mm (1.7 in)	22 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

1795 to 1979

Records set or tied on this calendar date in each year from 1795 to 1979. 1979 had 888 records.

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

Records on 05-07 in each year
Year	Records
1795	2
1805	1
1816	1
1825	2
1837	1
1838	1
1844	1
1845	2
1846	1
1848	2
1850	2
1852	1
1853	1
1856	3
1857	1
1861	3
1862	1
1863	1
1864	1
1867	3
1869	1
1870	1
1872	1
1874	2
1876	3
1878	1
1879	2
1880	1
1884	2
1885	1
1886	4
1887	1
1888	1
1889	2
1890	4
1891	4
1892	2
1894	4
1895	2
1897	5
1898	7
1899	3
1900	10
1901	1
1902	6
1903	13
1904	19
1905	21
1906	15
1907	14
1908	29
1909	15
1910	16
1911	14
1912	14
1913	30
1914	37
1915	40
1916	34
1917	188
1918	60
1919	263
1920	59
1921	41
1922	40
1923	119
1924	141
1925	207
1926	227
1927	191
1928	204
1929	224
1930	637
1931	473
1932	288
1933	291
1934	698
1935	298
1936	466
1937	121
1938	467
1939	194
1940	317
1941	317
1942	270
1943	416
1944	476
1945	751
1946	339
1947	727
1948	338
1949	439
1950	526
1951	226
1952	485
1953	541
1954	481
1955	393
1956	665
1957	546
1958	585
1959	335
1960	899
1961	442
1962	381
1963	825
1964	687
1965	671
1966	762
1967	973
1968	756
1969	678
1970	822
1971	364
1972	515
1973	447
1974	743
1975	784
1976	782
1977	662
1978	925
1979	888
1980	593
1981	710
1982	802
1983	724
1984	1,300
1985	557
1986	1,163
1987	1,115
1988	752
1989	1,880
1990	1,024
1991	599
1992	1,830
1993	831
1994	621
1995	997
1996	880
1997	1,359
1998	1,166
1999	1,008
2000	1,693
2001	743
2002	1,344
2003	1,138
2004	1,397
2005	645
2006	833
2007	1,047
2008	526
2009	735
2010	1,123
2011	558
2012	709
2013	633
2014	646
2015	569
2016	677
2017	543
2018	542
2019	522
2020	577
2021	484
2022	784
2023	667
2024	858
2025	635
2026	715

Download the Data

Data for records on 1979-05-07: 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	691
20 to 40	45
40 to 60	15
60 to 80	7
80 to 100	2
100 to 120	4
120 to 140	1
140 to 160	1