Weather Records on 30 September 1979

479 weather records were set or tied worldwide on 30 September 1979. Highest significance: Victoria River Downs, AU.

Key Facts for 30 September 1979

On 30 September 1979, 479 weather records were set or tied at long-record stations worldwide.
185 were record highs and 135 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 36 monthly and 443 daily.
Victoria River Downs set a monthly record daily precipitation of 64.2 mm (2.5 in) on 30 September 1979.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 439 records.

Record Map

479 stations

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

Weather records on 30 September 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Victoria River Downs	Australia	Record daily precipitation	64.2 mm (2.5 in)	86 of 100 (Exceptional)
Karlstad	Sweden	Record snow depth	27.9 cm (11.0 in)	71 of 100 (Major)
Burra (Poonunda)	Australia	Record daily precipitation	60.0 mm (2.4 in)	62 of 100 (Major)
Chadds Ford 2 NE	United States	Record daily precipitation	143.8 mm (5.7 in)	56 of 100 (Notable)
Wirrabara	Australia	Record daily precipitation	29.2 mm (1.1 in)	49 of 100 (Notable)
Homer AP	United States	Record daily precipitation	28.4 mm (1.1 in)	47 of 100 (Notable)
Piaxtla	Mexico	Record low minimum temperature	6.7 C (44.1 F)	46 of 100 (Notable)
Sapphire (Argyle)	Australia	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Glen Innes Post Office	Australia	Record daily precipitation	38.6 mm (1.5 in)	42 of 100 (Notable)
Cidra 1 E	Puerto Rico [United States]	Record daily precipitation	88.6 mm (3.5 in)	40 of 100 (Notable)
Wandsworth (Strabanne)	Australia	Record daily precipitation	25.0 mm (1.0 in)	38 of 100 (Notable)
Vestmannaeyjar	Iceland	Record daily precipitation	85.8 mm (3.4 in)	38 of 100 (Notable)
Temascales	Mexico	Record low minimum temperature	-3.9 C (25.0 F)	38 of 100 (Notable)
San Andres	Mexico	Record low minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Katherine Council	Australia	Record daily precipitation	34.6 mm (1.4 in)	34 of 100 (Routine)
Emmaville (Strathbogie)	Australia	Record daily precipitation	38.0 mm (1.5 in)	33 of 100 (Routine)
Utica Starved Rock Dam	United States	Record daily precipitation	53.1 mm (2.1 in)	33 of 100 (Routine)
Ferron	United States	Record high minimum temperature	12.2 C (54.0 F)	33 of 100 (Routine)
Charlotte Douglas AP	United States	Record daily precipitation	92.7 mm (3.6 in)	33 of 100 (Routine)
Tepeaca	Mexico	Record low minimum temperature	0.0 C (32.0 F)	32 of 100 (Routine)
Kingman	United States	Record high maximum temperature	37.8 C (100.0 F)	32 of 100 (Routine)
Yates Ctr	United States	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Walwa	Australia	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Santa Maria (Dge)	Mexico	Record low minimum temperature	5.6 C (42.1 F)	31 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Galva	United States	Record daily precipitation	30.7 mm (1.2 in)	31 of 100 (Routine)
Selinsgrove 2 S	United States	Record high minimum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Willow Grove NAS	United States	Record daily precipitation	57.4 mm (2.3 in)	31 of 100 (Routine)
Glen Innes Ag Research STN	Australia	Record daily precipitation	40.0 mm (1.6 in)	30 of 100 (Routine)
Blackburn	South Africa	Record daily precipitation	51.0 mm (2.0 in)	30 of 100 (Routine)
Howard 2SE	United States	Record high maximum temperature	36.1 C (97.0 F)	30 of 100 (Routine)
Corrales	Mexico	Record low minimum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Cornubia	South Africa	Record daily precipitation	45.0 mm (1.8 in)	29 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	-1.1 C (30.0 F)	29 of 100 (Routine)
Wrixum/Fohr	Germany	Record low minimum temperature	1.1 C (34.0 F)	28 of 100 (Routine)
Jocotepec	Mexico	Record high maximum temperature	35.0 C (95.0 F)	28 of 100 (Routine)
Tepuxtepec	Mexico	Record low minimum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
Halmstad	Sweden	Record low minimum temperature	-1.8 C (28.8 F)	28 of 100 (Routine)
Dover	United States	Record daily precipitation	130.6 mm (5.1 in)	28 of 100 (Routine)
Bolivar	United States	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Bicheno (Council Depot)	Australia	Record daily precipitation	25.6 mm (1.0 in)	27 of 100 (Routine)
Chesterfield	Canada	Record daily snowfall	9.2 cm (3.6 in)	27 of 100 (Routine)
Jolalpan	Mexico	Record low minimum temperature	8.9 C (48.0 F)	27 of 100 (Routine)
Panuco (Smn)	Mexico	Record low minimum temperature	10.0 C (50.0 F)	27 of 100 (Routine)
Larned	United States	Record high maximum temperature	36.1 C (97.0 F)	27 of 100 (Routine)
Hightstown 2 W	United States	Record daily precipitation	40.1 mm (1.6 in)	27 of 100 (Routine)
Salvatierra	Mexico	Record low minimum temperature	2.8 C (37.0 F)	26 of 100 (Routine)
Santa Fe del Rio	Mexico	Record low minimum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
Acatlan de Osorio (Smn)	Mexico	Record low maximum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Winthrop UNIV	United States	Record daily precipitation	86.6 mm (3.4 in)	26 of 100 (Routine)
Ixmiquilpan (Smn)	Mexico	Record low minimum temperature	0.6 C (33.1 F)	25 of 100 (Routine)
Quitupan	Mexico	Record low minimum temperature	7.8 C (46.0 F)	25 of 100 (Routine)
Las Vigas	Mexico	Record low minimum temperature	-1.1 C (30.0 F)	25 of 100 (Routine)
Ny Westerleigh Stat Is	United States	Record daily precipitation	46.5 mm (1.8 in)	25 of 100 (Routine)
Marcus Hook	United States	Record daily precipitation	40.1 mm (1.6 in)	25 of 100 (Routine)
Eagle Pass 3N	United States	Record high maximum temperature	39.4 C (102.9 F)	25 of 100 (Routine)
Balasore	India	Record daily precipitation	110.0 mm (4.3 in)	24 of 100 (Routine)
Huamantla	Mexico	Record low minimum temperature	-3.3 C (26.1 F)	24 of 100 (Routine)
Ekimchan	Russia	Record high maximum temperature	18.4 C (65.1 F)	24 of 100 (Routine)
Trinidad	United States	Record high maximum temperature	30.0 C (86.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

479 records

Records set or tied on 30 September 1979 by type: Highest daily maximum 126, Lowest daily maximum 23, Highest daily minimum 59, Lowest daily minimum 112, Heaviest daily rainfall 156, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 30 September 1979 by type
Record type	Records
Highest daily maximum	126
Lowest daily maximum	23
Highest daily minimum	59
Lowest daily minimum	112
Heaviest daily rainfall	156
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 30 September 1979 by timescale: all-time 0, monthly 36, daily 443.

How Much Records Were Beaten By

354 broken records

Margins by which the 354 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 279.0. Ties are not counted.

Top 20 by Significance

30 September 1979

Top 20 records on 30 September 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1979	Victoria River Downs, AU	monthly rain	64.2 mm (2.5 in)	38.3 mm (1.5 in)	91 years	86 of 100 (Exceptional)
30 September 1979	Karlstad, SE	monthly snow depth	27.9 cm (11.0 in)	27.9 cm (11.0 in)	85 years	71 of 100 (Major)
30 September 1979	Burra (Poonunda), AU	monthly rain	60.0 mm (2.4 in)	15.5 mm (0.6 in)	71 years	62 of 100 (Major)
30 September 1979	Chadds Ford 2 NE, US	monthly rain	143.8 mm (5.7 in)	65.1 mm (2.6 in)	13 years	56 of 100 (Notable)
30 September 1979	Wirrabara, AU	daily rain	29.2 mm (1.1 in)	16.8 mm (0.7 in)	50 years	49 of 100 (Notable)
30 September 1979	Homer AP, US	daily rain	28.4 mm (1.1 in)	18.5 mm (0.7 in)	32 years	47 of 100 (Notable)
30 September 1979	Piaxtla, MX	monthly low min	6.7 C (44.1 F)	3.9 C (7.0 F)	28 years	46 of 100 (Notable)
30 September 1979	Sapphire (Argyle), AU	daily rain	25.4 mm (1.0 in)	11.2 mm (0.4 in)	77 years	43 of 100 (Notable)
30 September 1979	Glen Innes Post Office, AU	daily rain	38.6 mm (1.5 in)	19.3 mm (0.8 in)	49 years	42 of 100 (Notable)
30 September 1979	Cidra 1 E, PR	daily rain	88.6 mm (3.5 in)	42.4 mm (1.7 in)	40 years	40 of 100 (Notable)
30 September 1979	Wandsworth (Strabanne), AU	daily rain	25.0 mm (1.0 in)	9.8 mm (0.39 in)	70 years	38 of 100 (Notable)
30 September 1979	Vestmannaeyjar, IS	monthly rain	85.8 mm (3.4 in)	15.4 mm (0.6 in)	26 years	38 of 100 (Notable)
30 September 1979	Temascales, MX	daily low min	-3.9 C (25.0 F)	6.1 C (11.0 F)	30 years	38 of 100 (Notable)
30 September 1979	San Andres, MX	monthly low min	15.0 C (59.0 F)	1.7 C (3.1 F)	22 years	36 of 100 (Notable)
30 September 1979	Katherine Council, AU	daily rain	34.6 mm (1.4 in)	3.4 mm (0.13 in)	74 years	34 of 100 (Routine)
30 September 1979	Emmaville (Strathbogie), AU	daily rain	38.0 mm (1.5 in)	18.7 mm (0.7 in)	25 years	33 of 100 (Routine)
30 September 1979	Utica Starved Rock Dam, US	daily rain	53.1 mm (2.1 in)	34.3 mm (1.4 in)	22 years	33 of 100 (Routine)
30 September 1979	Ferron, US	daily high min	12.2 C (54.0 F)	0.5 C (0.9 F)	80 years	33 of 100 (Routine)
30 September 1979	Charlotte Douglas AP, US	daily rain	92.7 mm (3.6 in)	38.3 mm (1.5 in)	24 years	33 of 100 (Routine)
30 September 1979	Tepeaca, MX	monthly low min	0.0 C (32.0 F)	1.7 C (3.1 F)	31 years	32 of 100 (Routine)

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

1806 to 1979

Records set or tied on this calendar date in each year from 1806 to 1979. 1979 had 479 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	529

Download the Data

Data for records on 1979-09-30: 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 50	352
50 to 100	1
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	1