Weather Records on 13 September 1984

646 weather records were set or tied worldwide on 13 September 1984. Highest significance: Emerald Post Office, AU.

Key Facts for 13 September 1984

On 13 September 1984, 646 weather records were set or tied at long-record stations worldwide.
195 were record highs and 207 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 630 daily.
Emerald Post Office set a daily record precipitation of 57.2 mm (2.3 in) on 13 September 1984.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 429 records.

Record Map

646 stations

646 station records on 13 September 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 September 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Emerald Post Office	Australia	Record daily precipitation	57.2 mm (2.3 in)	76 of 100 (Major)
Blackwater Post Office	Australia	Record daily precipitation	69.2 mm (2.7 in)	72 of 100 (Major)
Surbiton Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	66 of 100 (Major)
Peakvale Station	Australia	Record daily precipitation	50.0 mm (2.0 in)	63 of 100 (Major)
Buckingham Downs	Australia	Record daily precipitation	38.0 mm (1.5 in)	62 of 100 (Major)
Malbon Railway Station	Australia	Record daily precipitation	25.0 mm (1.0 in)	61 of 100 (Major)
Mayfern	South Africa	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Langley Downs	Australia	Record daily precipitation	60.0 mm (2.4 in)	56 of 100 (Notable)
Southport 5 N	United States	Record daily precipitation	222.3 mm (8.8 in)	55 of 100 (Notable)
Larrimah	Australia	Record daily precipitation	48.4 mm (1.9 in)	52 of 100 (Notable)
Comet Post Office	Australia	Record daily precipitation	67.4 mm (2.7 in)	52 of 100 (Notable)
Warrinilla	Australia	Record daily precipitation	35.0 mm (1.4 in)	52 of 100 (Notable)
Eiland	South Africa	Record daily precipitation	84.2 mm (3.3 in)	52 of 100 (Notable)
Rockingham Post Office	Australia	Record daily precipitation	40.8 mm (1.6 in)	51 of 100 (Notable)
Brunette Downs	Australia	Record daily precipitation	32.0 mm (1.3 in)	50 of 100 (Notable)
Boomi (Barwon St)	Australia	Record daily precipitation	39.0 mm (1.5 in)	50 of 100 (Notable)
Dunbar Forest Exp STN	United States	Record daily precipitation	67.8 mm (2.7 in)	50 of 100 (Notable)
Halls Creek Airport	Australia	Record daily precipitation	26.8 mm (1.1 in)	49 of 100 (Notable)
Clermont Sirius St	Australia	Record daily precipitation	37.0 mm (1.5 in)	48 of 100 (Notable)
Wyntoon	Australia	Record daily precipitation	40.0 mm (1.6 in)	48 of 100 (Notable)
Ardurad	Australia	Record daily precipitation	39.0 mm (1.5 in)	46 of 100 (Notable)
San Luis San Pedro	Mexico	Record daily precipitation	249.9 mm (9.8 in)	46 of 100 (Notable)
Schelm	South Africa	Record daily precipitation	49.5 mm (1.9 in)	46 of 100 (Notable)
Chilpancingo (Dge)	Mexico	Record daily precipitation	93.5 mm (3.7 in)	45 of 100 (Notable)
Lake Nash	Australia	Record daily precipitation	25.0 mm (1.0 in)	44 of 100 (Notable)
Bluff Post Office	Australia	Record daily precipitation	35.4 mm (1.4 in)	42 of 100 (Notable)
Riggins	United States	Record low minimum temperature	-1.1 C (30.0 F)	42 of 100 (Notable)
Oakland	Australia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Mac Mac Bos	South Africa	Record daily precipitation	49.0 mm (1.9 in)	41 of 100 (Notable)
Miriam Vale	Australia	Record daily precipitation	26.4 mm (1.0 in)	40 of 100 (Notable)
Walterhall	Australia	Record daily precipitation	28.5 mm (1.1 in)	40 of 100 (Notable)
Misantla	Mexico	Record daily precipitation	162.8 mm (6.4 in)	40 of 100 (Notable)
Witklip (Bos)	South Africa	Record daily precipitation	62.5 mm (2.5 in)	40 of 100 (Notable)
Zomerkomst (Bos)	South Africa	Record daily precipitation	36.0 mm (1.4 in)	40 of 100 (Notable)
Paola	United States	Record high maximum temperature	37.8 C (100.0 F)	40 of 100 (Notable)
Raglan	Australia	Record daily precipitation	26.4 mm (1.0 in)	39 of 100 (Notable)
Karmoo	Australia	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Wilmington Intl AP	United States	Record daily precipitation	117.6 mm (4.6 in)	38 of 100 (Notable)
Skukuza	South Africa	Record daily precipitation	43.0 mm (1.7 in)	37 of 100 (Notable)
Fayette 4 SW	United States	Record daily precipitation	57.7 mm (2.3 in)	37 of 100 (Notable)
Morehead City 2 WNW	United States	Record daily precipitation	104.9 mm (4.1 in)	37 of 100 (Notable)
Rockley	Australia	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
San Miguelito	Mexico	Record low maximum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Maranboy	Australia	Record daily precipitation	34.6 mm (1.4 in)	35 of 100 (Notable)
Huajintlan	Mexico	Record low maximum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Tecolutla	Mexico	Record low maximum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Kaliningrad	Russia	Record daily precipitation	34.5 mm (1.4 in)	34 of 100 (Routine)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	48.0 mm (1.9 in)	34 of 100 (Routine)
Duncan	United States	Record high maximum temperature	36.1 C (97.0 F)	34 of 100 (Routine)
Avon Downs	Australia	Record daily precipitation	38.4 mm (1.5 in)	33 of 100 (Routine)
Lerida	Australia	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Puebla (Dge)	Mexico	Record low minimum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Rockhampton Downs	Australia	Record daily precipitation	49.0 mm (1.9 in)	32 of 100 (Routine)
Mount Isa Mine	Australia	Record daily precipitation	31.2 mm (1.2 in)	32 of 100 (Routine)
Barkly Downs	Australia	Record daily precipitation	28.0 mm (1.1 in)	32 of 100 (Routine)
Norwich	United States	Record high maximum temperature	39.4 C (102.9 F)	32 of 100 (Routine)
Greeley	United States	Record high maximum temperature	37.8 C (100.0 F)	32 of 100 (Routine)
Melmoth	Australia	Record daily precipitation	32.4 mm (1.3 in)	31 of 100 (Routine)
Taabinga	Australia	Record daily precipitation	52.0 mm (2.0 in)	31 of 100 (Routine)

Counts by Type and Timescale

646 records

Records set or tied on 13 September 1984 by type: Highest daily maximum 90, Lowest daily maximum 142, Highest daily minimum 105, Lowest daily minimum 65, Heaviest daily rainfall 242, Deepest snow cover 2.

Records on 13 September 1984 by type
Record type	Records
Highest daily maximum	90
Lowest daily maximum	142
Highest daily minimum	105
Lowest daily minimum	65
Heaviest daily rainfall	242
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 13 September 1984 by timescale: all-time 0, monthly 16, daily 630.

How Much Records Were Beaten By

516 broken records

Margins by which the 516 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 210.0. Ties are not counted.

Top 20 by Significance

13 September 1984

Top 20 records on 13 September 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 September 1984	Emerald Post Office, AU	daily rain	57.2 mm (2.3 in)	48.6 mm (1.9 in)	89 years	76 of 100 (Major)
13 September 1984	Blackwater Post Office, AU	daily rain	69.2 mm (2.7 in)	59.0 mm (2.3 in)	78 years	72 of 100 (Major)
13 September 1984	Surbiton Station, AU	daily rain	34.0 mm (1.3 in)	34.0 mm (1.3 in)	95 years	66 of 100 (Major)
13 September 1984	Peakvale Station, AU	daily rain	50.0 mm (2.0 in)	50.0 mm (2.0 in)	62 years	63 of 100 (Major)
13 September 1984	Buckingham Downs, AU	daily rain	38.0 mm (1.5 in)	29.9 mm (1.2 in)	67 years	62 of 100 (Major)
13 September 1984	Malbon Railway Station, AU	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	65 years	61 of 100 (Major)
13 September 1984	Mayfern, ZA	daily rain	66.0 mm (2.6 in)	48.5 mm (1.9 in)	50 years	57 of 100 (Notable)
13 September 1984	Langley Downs, AU	daily rain	60.0 mm (2.4 in)	60.0 mm (2.4 in)	48 years	56 of 100 (Notable)
13 September 1984	Southport 5 N, US	daily rain	222.3 mm (8.8 in)	160.1 mm (6.3 in)	20 years	55 of 100 (Notable)
13 September 1984	Larrimah, AU	monthly rain	48.4 mm (1.9 in)	35.7 mm (1.4 in)	13 years	52 of 100 (Notable)
13 September 1984	Comet Post Office, AU	daily rain	67.4 mm (2.7 in)	59.8 mm (2.4 in)	11 years	52 of 100 (Notable)
13 September 1984	Warrinilla, AU	daily rain	35.0 mm (1.4 in)	27.4 mm (1.1 in)	78 years	52 of 100 (Notable)
13 September 1984	Eiland, ZA	daily rain	84.2 mm (3.3 in)	81.7 mm (3.2 in)	25 years	52 of 100 (Notable)
13 September 1984	Rockingham Post Office, AU	daily rain	40.8 mm (1.6 in)	25.3 mm (1.0 in)	11 years	51 of 100 (Notable)
13 September 1984	Brunette Downs, AU	daily rain	32.0 mm (1.3 in)	24.1 mm (0.9 in)	67 years	50 of 100 (Notable)
13 September 1984	Boomi (Barwon St), AU	daily rain	39.0 mm (1.5 in)	23.3 mm (0.9 in)	62 years	50 of 100 (Notable)
13 September 1984	Dunbar Forest Exp STN, US	daily rain	67.8 mm (2.7 in)	37.1 mm (1.5 in)	23 years	50 of 100 (Notable)
13 September 1984	Halls Creek Airport, AU	daily rain	26.8 mm (1.1 in)	26.8 mm (1.1 in)	40 years	49 of 100 (Notable)
13 September 1984	Clermont Sirius St, AU	daily rain	37.0 mm (1.5 in)	19.0 mm (0.7 in)	78 years	48 of 100 (Notable)
13 September 1984	Wyntoon, AU	daily rain	40.0 mm (1.6 in)	38.7 mm (1.5 in)	19 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

1793 to 1984

Records set or tied on this calendar date in each year from 1793 to 1984. 1984 had 646 records.

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

Records on 09-13 in each year
Year	Records
1793	1
1809	1
1814	1
1822	1
1835	1
1836	1
1839	1
1849	1
1850	2
1851	1
1856	1
1857	1
1859	1
1860	1
1864	1
1866	1
1867	2
1868	1
1872	3
1876	1
1878	1
1880	2
1882	2
1883	1
1886	1
1887	1
1888	1
1889	1
1891	1
1892	4
1893	2
1894	2
1895	1
1896	2
1897	3
1899	7
1900	3
1901	15
1902	30
1903	17
1904	8
1905	7
1906	23
1907	6
1908	11
1909	26
1910	11
1911	65
1912	23
1913	43
1914	42
1915	48
1916	19
1917	172
1918	33
1919	88
1920	48
1921	63
1922	124
1923	122
1924	65
1925	294
1926	76
1927	439
1928	253
1929	187
1930	284
1931	639
1932	171
1933	299
1934	187
1935	363
1936	519
1937	486
1938	382
1939	918
1940	841
1941	299
1942	287
1943	602
1944	361
1945	657
1946	423
1947	491
1948	472
1949	935
1950	657
1951	469
1952	569
1953	732
1954	291
1955	387
1956	332
1957	544
1958	578
1959	740
1960	660
1961	972
1962	378
1963	676
1964	645
1965	572
1966	501
1967	420
1968	239
1969	518
1970	1,216
1971	708
1972	396
1973	746
1974	965
1975	1,365
1976	411
1977	457
1978	796
1979	574
1980	648
1981	408
1982	1,004
1983	703
1984	646
1985	852
1986	741
1987	970
1988	902
1989	1,243
1990	1,187
1991	672
1992	580
1993	1,143
1994	667
1995	845
1996	1,117
1997	657
1998	1,654
1999	847
2000	856
2001	841
2002	879
2003	728
2004	743
2005	854
2006	1,076
2007	543
2008	1,508
2009	811
2010	827
2011	1,099
2012	526
2013	967
2014	1,291
2015	879
2016	1,093
2017	945
2018	636
2019	660
2020	591
2021	416
2022	668
2023	514
2024	818
2025	492
2026	905

Download the Data

Data for records on 1984-09-13: 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	504
50 to 100	10
100 to 150	0
150 to 200	1
200 to 250	1