Weather Records on 19 September 1984

970 weather records were set or tied worldwide on 19 September 1984. Highest significance: Croydon (Samuel Street), AU.

Key Facts for 19 September 1984

On 19 September 1984, 970 weather records were set or tied at long-record stations worldwide.
456 were record highs and 237 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 945 daily.
Croydon (Samuel Street) set a monthly record daily precipitation of 76.4 mm (3.0 in) on 19 September 1984.
Across 166 earlier years (1805 to 2026) the same calendar date averaged 411 records.

Record Map

970 stations

970 station records on 19 September 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 September 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Croydon (Samuel Street)	Australia	Record daily precipitation	76.4 mm (3.0 in)	61 of 100 (Major)
Kallista Forestry	Australia	Record daily precipitation	75.0 mm (3.0 in)	60 of 100 (Major)
Little River (Mount Rothwell)	Australia	Record daily precipitation	35.0 mm (1.4 in)	60 of 100 (Major)
Lilydale	Australia	Record daily precipitation	60.8 mm (2.4 in)	57 of 100 (Notable)
Box Hill Aged Mens Retreat	Australia	Record daily precipitation	72.4 mm (2.9 in)	56 of 100 (Notable)
Little River	Australia	Record daily precipitation	33.8 mm (1.3 in)	56 of 100 (Notable)
Maroondah Weir (Melbourne Wate	Australia	Record daily precipitation	64.2 mm (2.5 in)	55 of 100 (Notable)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	57.8 mm (2.3 in)	55 of 100 (Notable)
Ringwood	Australia	Record daily precipitation	64.4 mm (2.5 in)	54 of 100 (Notable)
Ft Lauderdale	United States	Record daily precipitation	135.9 mm (5.4 in)	54 of 100 (Notable)
E Lawai 934	United States	Record daily precipitation	41.7 mm (1.6 in)	51 of 100 (Notable)
Scoresby Research Institute	Australia	Record daily precipitation	57.6 mm (2.3 in)	50 of 100 (Notable)
Toolangi (Mount St Leonard Dpi	Australia	Record daily precipitation	70.6 mm (2.8 in)	50 of 100 (Notable)
Wyelangta	Australia	Record daily precipitation	122.6 mm (4.8 in)	50 of 100 (Notable)
Geelong Salines (Moolap)	Australia	Record daily precipitation	27.0 mm (1.1 in)	49 of 100 (Notable)
Mitcham	Australia	Record daily precipitation	76.0 mm (3.0 in)	48 of 100 (Notable)
Montrose	Australia	Record daily precipitation	83.4 mm (3.3 in)	47 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	79.0 mm (3.1 in)	47 of 100 (Notable)
Oakleigh (Metropolitan Golf Cl	Australia	Record daily precipitation	51.1 mm (2.0 in)	46 of 100 (Notable)
Essendon Airport	Australia	Record daily precipitation	28.8 mm (1.1 in)	45 of 100 (Notable)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	47.2 mm (1.9 in)	45 of 100 (Notable)
Springvale Necropolis	Australia	Record daily precipitation	55.6 mm (2.2 in)	44 of 100 (Notable)
Weeaproinah	Australia	Record daily precipitation	111.8 mm (4.4 in)	44 of 100 (Notable)
Colonia Xadrez	Brazil	Record daily precipitation	89.9 mm (3.5 in)	43 of 100 (Notable)
Foster (Post Office)	Australia	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Cacaloapan	Mexico	Record daily precipitation	88.1 mm (3.5 in)	42 of 100 (Notable)
Fish Creek (Hoddle Range)	Australia	Record daily precipitation	31.4 mm (1.2 in)	41 of 100 (Notable)
Caulfield (Racecourse)	Australia	Record daily precipitation	56.8 mm (2.2 in)	41 of 100 (Notable)
Hmas Cerberus	Australia	Record daily precipitation	28.0 mm (1.1 in)	41 of 100 (Notable)
Melbourne Regional Office	Australia	Record daily precipitation	44.4 mm (1.7 in)	41 of 100 (Notable)
Hvar	Croatia	Record daily precipitation	30.3 mm (1.2 in)	41 of 100 (Notable)
Port Isabel	United States	Record daily precipitation	304.8 mm (12.0 in)	41 of 100 (Notable)
Toora	Australia	Record daily precipitation	25.2 mm (1.0 in)	40 of 100 (Notable)
Welshpool	Australia	Record daily precipitation	26.4 mm (1.0 in)	40 of 100 (Notable)
Red Hill South	Australia	Record daily precipitation	40.4 mm (1.6 in)	40 of 100 (Notable)
Two Harbors	United States	Record high maximum temperature	29.4 C (84.9 F)	40 of 100 (Notable)
Garfield	Australia	Record daily precipitation	47.6 mm (1.9 in)	39 of 100 (Notable)
Prahran (Como House)	Australia	Record daily precipitation	46.4 mm (1.8 in)	39 of 100 (Notable)
Timboon	Australia	Record daily precipitation	34.8 mm (1.4 in)	39 of 100 (Notable)
Merced	United States	Record high minimum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Pomona/Fairplex	United States	Record high minimum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Ely AP	United States	Record daily precipitation	28.2 mm (1.1 in)	39 of 100 (Notable)
Linton Post Office	Australia	Record daily precipitation	31.4 mm (1.2 in)	37 of 100 (Notable)
Beito	Norway	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
Morganton	United States	Record low minimum temperature	2.8 C (37.0 F)	37 of 100 (Notable)
Eltham	Australia	Record daily precipitation	42.4 mm (1.7 in)	36 of 100 (Notable)
Preston Reservoir	Australia	Record daily precipitation	40.0 mm (1.6 in)	36 of 100 (Notable)
Lovely Banks (Reservoir)	Australia	Record daily precipitation	27.2 mm (1.1 in)	36 of 100 (Notable)
Oxford	United Kingdom	Record daily precipitation	26.3 mm (1.0 in)	36 of 100 (Notable)
Yreka	United States	Record high minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
New Ulm 2 SE	United States	Record high maximum temperature	35.6 C (96.1 F)	36 of 100 (Notable)
Dickinson Exp STN	United States	Record high maximum temperature	34.4 C (93.9 F)	36 of 100 (Notable)
Raymondville	United States	Record low maximum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Labertouche	Australia	Record daily precipitation	46.0 mm (1.8 in)	35 of 100 (Notable)
Brighton (Dendy Park Bowling C	Australia	Record daily precipitation	40.0 mm (1.6 in)	35 of 100 (Notable)
Moorabbin Airport	Australia	Record daily precipitation	38.8 mm (1.5 in)	35 of 100 (Notable)
Motozintla (Smn)	Mexico	Record low minimum temperature	6.1 C (43.0 F)	35 of 100 (Notable)
Hay Springs	United States	Record high maximum temperature	33.9 C (93.0 F)	35 of 100 (Notable)
Roxboro 7 ESE	United States	Record low minimum temperature	6.1 C (43.0 F)	35 of 100 (Notable)
Kennebec	United States	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)

Counts by Type and Timescale

970 records

Records set or tied on 19 September 1984 by type: Highest daily maximum 255, Lowest daily maximum 105, Highest daily minimum 201, Lowest daily minimum 132, Heaviest daily rainfall 274, Heaviest daily snowfall 1, Deepest snow cover 2.

Records on 19 September 1984 by type
Record type	Records
Highest daily maximum	255
Lowest daily maximum	105
Highest daily minimum	201
Lowest daily minimum	132
Heaviest daily rainfall	274
Heaviest daily snowfall	1
Deepest snow cover	2

Records on 19 September 1984 by timescale: all-time 1, monthly 24, daily 945.

How Much Records Were Beaten By

749 broken records

Margins by which the 749 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 77.5. Ties are not counted.

Top 20 by Significance

19 September 1984

Top 20 records on 19 September 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 September 1984	Croydon (Samuel Street), AU	monthly rain	76.4 mm (3.0 in)	17.0 mm (0.7 in)	66 years	61 of 100 (Major)
19 September 1984	Kallista Forestry, AU	daily rain	75.0 mm (3.0 in)	43.0 mm (1.7 in)	51 years	60 of 100 (Major)
19 September 1984	Little River (Mount Rothwell), AU	daily rain	35.0 mm (1.4 in)	16.5 mm (0.6 in)	70 years	60 of 100 (Major)
19 September 1984	Lilydale, AU	daily rain	60.8 mm (2.4 in)	36.9 mm (1.5 in)	25 years	57 of 100 (Notable)
19 September 1984	Box Hill Aged Mens Retreat, AU	monthly rain	72.4 mm (2.9 in)	19.6 mm (0.8 in)	24 years	56 of 100 (Notable)
19 September 1984	Little River, AU	daily rain	33.8 mm (1.3 in)	15.0 mm (0.6 in)	71 years	56 of 100 (Notable)
19 September 1984	Maroondah Weir (Melbourne Wate, AU	daily rain	64.2 mm (2.5 in)	34.0 mm (1.3 in)	25 years	55 of 100 (Notable)
19 September 1984	Kinglake West (Wallaby Creek), AU	daily rain	57.8 mm (2.3 in)	31.9 mm (1.3 in)	37 years	55 of 100 (Notable)
19 September 1984	Ringwood, AU	daily rain	64.4 mm (2.5 in)	39.3 mm (1.5 in)	25 years	54 of 100 (Notable)
19 September 1984	Ft Lauderdale, US	daily rain	135.9 mm (5.4 in)	77.5 mm (3.1 in)	25 years	54 of 100 (Notable)
19 September 1984	E Lawai 934, US	daily rain	41.7 mm (1.6 in)	20.1 mm (0.8 in)	74 years	51 of 100 (Notable)
19 September 1984	Scoresby Research Institute, AU	daily rain	57.6 mm (2.3 in)	29.2 mm (1.1 in)	25 years	50 of 100 (Notable)
19 September 1984	Toolangi (Mount St Leonard Dpi, AU	daily rain	70.6 mm (2.8 in)	39.6 mm (1.6 in)	25 years	50 of 100 (Notable)
19 September 1984	Wyelangta, AU	monthly rain	122.6 mm (4.8 in)	27.3 mm (1.1 in)	33 years	50 of 100 (Notable)
19 September 1984	Geelong Salines (Moolap), AU	daily rain	27.0 mm (1.1 in)	9.7 mm (0.38 in)	71 years	49 of 100 (Notable)
19 September 1984	Mitcham, AU	monthly rain	76.0 mm (3.0 in)	17.6 mm (0.7 in)	30 years	48 of 100 (Notable)
19 September 1984	Montrose, AU	monthly rain	83.4 mm (3.3 in)	9.5 mm (0.37 in)	66 years	47 of 100 (Notable)
19 September 1984	Coranderrk Badger Weir, AU	monthly rain	79.0 mm (3.1 in)	6.4 mm (0.25 in)	67 years	47 of 100 (Notable)
19 September 1984	Oakleigh (Metropolitan Golf Cl, AU	daily rain	51.1 mm (2.0 in)	21.1 mm (0.8 in)	25 years	46 of 100 (Notable)
19 September 1984	Essendon Airport, AU	daily rain	28.8 mm (1.1 in)	14.3 mm (0.6 in)	37 years	45 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

1805 to 1984

Records set or tied on this calendar date in each year from 1805 to 1984. 1984 had 970 records.

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

Records on 09-19 in each year
Year	Records
1805	1
1818	1
1820	1
1825	1
1830	1
1833	1
1834	1
1837	1
1847	1
1848	1
1849	3
1851	2
1854	1
1855	1
1856	1
1859	1
1862	1
1865	2
1866	1
1869	1
1872	1
1874	1
1875	3
1877	2
1881	2
1882	4
1884	2
1885	1
1886	3
1887	2
1888	1
1889	7
1890	1
1893	3
1894	2
1895	5
1896	2
1897	4
1898	2
1899	2
1900	2
1901	17
1902	6
1903	16
1904	9
1905	18
1906	33
1907	9
1908	5
1909	16
1910	16
1911	4
1912	39
1913	200
1914	48
1915	174
1916	38
1917	134
1918	62
1919	52
1920	53
1921	109
1922	81
1923	83
1924	90
1925	356
1926	171
1927	152
1928	211
1929	435
1930	154
1931	400
1932	292
1933	343
1934	171
1935	240
1936	152
1937	331
1938	519
1939	292
1940	459
1941	430
1942	830
1943	540
1944	406
1945	417
1946	802
1947	694
1948	457
1949	303
1950	474
1951	240
1952	545
1953	467
1954	557
1955	578
1956	661
1957	638
1958	354
1959	774
1960	344
1961	445
1962	387
1963	403
1964	350
1965	1,080
1966	529
1967	417
1968	433
1969	493
1970	437
1971	1,127
1972	629
1973	438
1974	637
1975	570
1976	390
1977	719
1978	1,139
1979	727
1980	591
1981	1,462
1982	594
1983	1,630
1984	970
1985	926
1986	737
1987	1,113
1988	973
1989	911
1990	874
1991	2,027
1992	752
1993	885
1994	736
1995	1,096
1996	1,069
1997	1,107
1998	1,039
1999	611
2000	947
2001	1,188
2002	866
2003	1,094
2004	964
2005	814
2006	851
2007	633
2008	647
2009	700
2010	1,414
2011	848
2012	775
2013	578
2014	715
2015	520
2016	999
2017	703
2018	871
2019	584
2020	668
2021	511
2022	666
2023	622
2024	707
2025	554
2026	711

Download the Data

Data for records on 1984-09-19: 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 10	681
10 to 20	45
20 to 30	14
30 to 40	6
40 to 50	1
50 to 60	1
60 to 70	0
70 to 80	1