Weather Records on 30 July 1979

761 weather records were set or tied worldwide on 30 July 1979. Highest significance: Nimbin Post Office, AU.

Key Facts for 30 July 1979

On 30 July 1979, 761 weather records were set or tied at long-record stations worldwide.
170 were record highs and 129 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 10 monthly and 749 daily.
Nimbin Post Office set a daily record precipitation of 139.0 mm (5.5 in) on 30 July 1979.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 438 records.

Record Map

761 stations

761 station records on 30 July 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nimbin Post Office	Australia	Record daily precipitation	139.0 mm (5.5 in)	69 of 100 (Major)
Mingela Post Office	Australia	Record daily precipitation	38.0 mm (1.5 in)	62 of 100 (Major)
Forest City 2 NNE	United States	Record daily precipitation	95.8 mm (3.8 in)	60 of 100 (Major)
Pettibone	United States	Record daily precipitation	69.9 mm (2.8 in)	59 of 100 (Notable)
Alton	United States	Record daily precipitation	84.1 mm (3.3 in)	58 of 100 (Notable)
Cape Moreton Lighthouse	Australia	Record daily precipitation	77.0 mm (3.0 in)	55 of 100 (Notable)
Burlington	United States	Record daily precipitation	48.8 mm (1.9 in)	55 of 100 (Notable)
Mullumbimby (Fairview Farm)	Australia	Record daily precipitation	103.0 mm (4.1 in)	54 of 100 (Notable)
Tucson Magnetic Obsy	United States	Record daily precipitation	59.9 mm (2.4 in)	54 of 100 (Notable)
Svinhult_D	Sweden	Record daily precipitation	46.8 mm (1.8 in)	53 of 100 (Notable)
Hartington	United States	Record daily precipitation	80.5 mm (3.2 in)	52 of 100 (Notable)
Fayette	United States	Record daily precipitation	84.6 mm (3.3 in)	51 of 100 (Notable)
Overum	Sweden	Record daily precipitation	36.8 mm (1.4 in)	50 of 100 (Notable)
Ishpeming	United States	Record daily precipitation	66.5 mm (2.6 in)	50 of 100 (Notable)
Red Lake Falls	United States	Record daily precipitation	71.4 mm (2.8 in)	50 of 100 (Notable)
Marquette	United States	Record daily precipitation	50.3 mm (2.0 in)	50 of 100 (Notable)
Glen Cairn	Australia	Record daily precipitation	52.8 mm (2.1 in)	49 of 100 (Notable)
Southport Ridgeway Ave	Australia	Record daily precipitation	51.8 mm (2.0 in)	49 of 100 (Notable)
Cooperstown	United States	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Kilkivan Post Office	Australia	Record daily precipitation	34.6 mm (1.4 in)	48 of 100 (Notable)
Russell Island	Australia	Record daily precipitation	63.6 mm (2.5 in)	48 of 100 (Notable)
Morozovsk	Russia	Record daily precipitation	40.6 mm (1.6 in)	48 of 100 (Notable)
Reid River Railway Station	Australia	Record daily precipitation	30.0 mm (1.2 in)	47 of 100 (Notable)
Hassleby	Sweden	Record daily precipitation	36.0 mm (1.4 in)	47 of 100 (Notable)
Ogestad	Sweden	Record daily precipitation	36.0 mm (1.4 in)	47 of 100 (Notable)
Kia Ora Sandy Ridges	Australia	Record daily precipitation	40.0 mm (1.6 in)	46 of 100 (Notable)
Doctors Creek	Australia	Record daily precipitation	34.0 mm (1.3 in)	46 of 100 (Notable)
Mc Henry 3W	United States	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Cleveland Bowls Club	Australia	Record daily precipitation	48.0 mm (1.9 in)	44 of 100 (Notable)
Varne	Sweden	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Flahult	Sweden	Record daily precipitation	34.5 mm (1.4 in)	44 of 100 (Notable)
Mundoolin	Australia	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Brisbane Botanical Gardens	Australia	Record daily precipitation	28.8 mm (1.1 in)	43 of 100 (Notable)
Enoggera Reservoir	Australia	Record daily precipitation	31.6 mm (1.2 in)	43 of 100 (Notable)
Izana	Spain	Record high minimum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Spencer 1 N	United States	Record daily precipitation	66.8 mm (2.6 in)	43 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	41.4 mm (1.6 in)	43 of 100 (Notable)
Sharon	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Mt Brisbane	Australia	Record daily precipitation	32.4 mm (1.3 in)	42 of 100 (Notable)
Widgee	Australia	Record daily precipitation	78.0 mm (3.1 in)	42 of 100 (Notable)
Oklee	United States	Record daily precipitation	70.4 mm (2.8 in)	42 of 100 (Notable)
Colgate	United States	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Goomboorian	Australia	Record daily precipitation	37.5 mm (1.5 in)	41 of 100 (Notable)
Nizhny-Chir	Russia	Record daily precipitation	47.2 mm (1.9 in)	41 of 100 (Notable)
Gigant	Russia	Record daily precipitation	25.6 mm (1.0 in)	41 of 100 (Notable)
Oskarshamn	Sweden	Record daily precipitation	31.5 mm (1.2 in)	41 of 100 (Notable)
Bethlehem	United States	Record daily precipitation	61.0 mm (2.4 in)	41 of 100 (Notable)
Brisbane Regional Office	Australia	Record daily precipitation	25.0 mm (1.0 in)	40 of 100 (Notable)
Krokshult_D	Sweden	Record daily precipitation	29.6 mm (1.2 in)	40 of 100 (Notable)
Vimmerby	Sweden	Record daily precipitation	28.3 mm (1.1 in)	40 of 100 (Notable)
Ulrika	Sweden	Record daily precipitation	40.7 mm (1.6 in)	40 of 100 (Notable)
Brule Rs	United States	Record daily precipitation	78.7 mm (3.1 in)	40 of 100 (Notable)
Chanute Martin Johnson AP	United States	Record daily precipitation	63.0 mm (2.5 in)	40 of 100 (Notable)
Toombul Bowls Club	Australia	Record daily precipitation	27.5 mm (1.1 in)	39 of 100 (Notable)
Beerburrum Forest Station	Australia	Record daily precipitation	27.3 mm (1.1 in)	39 of 100 (Notable)
Spring Bluff Railway STN	Australia	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Woodenbong (Unumgar St)	Australia	Record daily precipitation	40.0 mm (1.6 in)	39 of 100 (Notable)
Lismore (Centre Street)	Australia	Record daily precipitation	98.0 mm (3.9 in)	39 of 100 (Notable)
Snowflake	United States	Record high minimum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Charles City	United States	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)

Counts by Type and Timescale

761 records

Records set or tied on 30 July 1979 by type: Highest daily maximum 48, Lowest daily maximum 84, Highest daily minimum 122, Lowest daily minimum 45, Heaviest daily rainfall 462.

Records on 30 July 1979 by type
Record type	Records
Highest daily maximum	48
Lowest daily maximum	84
Highest daily minimum	122
Lowest daily minimum	45
Heaviest daily rainfall	462
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1979 by timescale: all-time 2, monthly 10, daily 749.

How Much Records Were Beaten By

636 broken records

Margins by which the 636 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 128.8. Ties are not counted.

Top 20 by Significance

30 July 1979

Top 20 records on 30 July 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1979	Nimbin Post Office, AU	daily rain	139.0 mm (5.5 in)	128.8 mm (5.1 in)	74 years	69 of 100 (Major)
30 July 1979	Mingela Post Office, AU	daily rain	38.0 mm (1.5 in)	35.5 mm (1.4 in)	62 years	62 of 100 (Major)
30 July 1979	Forest City 2 NNE, US	daily rain	95.8 mm (3.8 in)	64.6 mm (2.5 in)	40 years	60 of 100 (Major)
30 July 1979	Pettibone, US	daily rain	69.9 mm (2.8 in)	47.0 mm (1.9 in)	48 years	59 of 100 (Notable)
30 July 1979	Alton, US	daily rain	84.1 mm (3.3 in)	57.7 mm (2.3 in)	36 years	58 of 100 (Notable)
30 July 1979	Cape Moreton Lighthouse, AU	daily rain	77.0 mm (3.0 in)	36.9 mm (1.5 in)	85 years	55 of 100 (Notable)
30 July 1979	Burlington, US	daily rain	48.8 mm (1.9 in)	28.0 mm (1.1 in)	73 years	55 of 100 (Notable)
30 July 1979	Mullumbimby (Fairview Farm), AU	daily rain	103.0 mm (4.1 in)	73.8 mm (2.9 in)	66 years	54 of 100 (Notable)
30 July 1979	Tucson Magnetic Obsy, US	daily rain	59.9 mm (2.4 in)	45.4 mm (1.8 in)	28 years	54 of 100 (Notable)
30 July 1979	Svinhult_D, SE	daily rain	46.8 mm (1.8 in)	30.8 mm (1.2 in)	33 years	53 of 100 (Notable)
30 July 1979	Hartington, US	daily rain	80.5 mm (3.2 in)	41.1 mm (1.6 in)	40 years	52 of 100 (Notable)
30 July 1979	Fayette, US	daily rain	84.6 mm (3.3 in)	45.2 mm (1.8 in)	52 years	51 of 100 (Notable)
30 July 1979	Overum, SE	daily rain	36.8 mm (1.4 in)	27.3 mm (1.1 in)	29 years	50 of 100 (Notable)
30 July 1979	Ishpeming, US	daily rain	66.5 mm (2.6 in)	34.7 mm (1.4 in)	40 years	50 of 100 (Notable)
30 July 1979	Red Lake Falls, US	daily rain	71.4 mm (2.8 in)	52.1 mm (2.1 in)	16 years	50 of 100 (Notable)
30 July 1979	Marquette, US	daily rain	50.3 mm (2.0 in)	11.9 mm (0.5 in)	117 years	50 of 100 (Notable)
30 July 1979	Glen Cairn, AU	daily rain	52.8 mm (2.1 in)	48.0 mm (1.9 in)	40 years	49 of 100 (Notable)
30 July 1979	Southport Ridgeway Ave, AU	daily rain	51.8 mm (2.0 in)	34.3 mm (1.4 in)	85 years	49 of 100 (Notable)
30 July 1979	Cooperstown, US	daily rain	30.5 mm (1.2 in)	23.6 mm (0.9 in)	73 years	49 of 100 (Notable)
30 July 1979	Kilkivan Post Office, AU	daily rain	34.6 mm (1.4 in)	18.6 mm (0.7 in)	85 years	48 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

1794 to 1979

Records set or tied on this calendar date in each year from 1794 to 1979. 1979 had 761 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,048
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 1979-07-30: 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	535
20 to 40	80
40 to 60	15
60 to 80	5
80 to 100	0
100 to 120	0
120 to 140	1