Weather Records on 24 September 2018

497 weather records were set or tied worldwide on 24 September 2018. Highest significance: Lavon Dam, US.

Key Facts for 24 September 2018

On 24 September 2018, 497 weather records were set or tied at long-record stations worldwide.
296 were record highs and 86 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 489 daily.
Lavon Dam set a daily record precipitation of 191.0 mm (7.5 in) on 24 September 2018.
Across 166 earlier years (1803 to 2026) the same calendar date averaged 427 records.

Record Map

497 stations

497 station records on 24 September 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 September 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lavon Dam	United States	Record daily precipitation	191.0 mm (7.5 in)	65 of 100 (Major)
Lexington	United States	Record daily precipitation	157.0 mm (6.2 in)	57 of 100 (Notable)
Chongqing	China	Record daily precipitation	72.4 mm (2.9 in)	56 of 100 (Notable)
Rome R B Russell AP	United States	Record daily precipitation	79.8 mm (3.1 in)	55 of 100 (Notable)
Lankaran	Azerbaijan	Record daily precipitation	99.1 mm (3.9 in)	54 of 100 (Notable)
Smolensk	Russia	Record daily precipitation	36.3 mm (1.4 in)	54 of 100 (Notable)
Coshocton Wpc Plt	United States	Record daily precipitation	75.2 mm (3.0 in)	49 of 100 (Notable)
Avon Park 2 W	United States	Record high minimum temperature	25.6 C (78.1 F)	48 of 100 (Notable)
Bialystok	Poland	Record daily precipitation	26.7 mm (1.1 in)	46 of 100 (Notable)
Calion L&D	United States	Record daily precipitation	79.2 mm (3.1 in)	46 of 100 (Notable)
Amderma	Russia	Record high minimum temperature	10.3 C (50.5 F)	45 of 100 (Notable)
Hissar	India	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Nimrod Dam	United States	Record daily precipitation	150.1 mm (5.9 in)	44 of 100 (Notable)
Dresden	United States	Record daily precipitation	52.6 mm (2.1 in)	43 of 100 (Notable)
Mt Pleasant	United States	Record daily precipitation	148.6 mm (5.9 in)	43 of 100 (Notable)
Louisville Intl AP	United States	Record daily precipitation	63.2 mm (2.5 in)	43 of 100 (Notable)
Ajmer	India	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Huntingdon Wtp	United States	Record daily precipitation	109.2 mm (4.3 in)	40 of 100 (Notable)
Mt Vernon	United States	Record daily precipitation	70.9 mm (2.8 in)	40 of 100 (Notable)
Albany	Australia	Record high minimum temperature	14.2 C (57.6 F)	39 of 100 (Notable)
Njaksimvol	Russia	Record high maximum temperature	24.2 C (75.6 F)	39 of 100 (Notable)
Madrid - Retiro	Spain	Record high minimum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Chadron 3SW	United States	Record high maximum temperature	35.6 C (96.1 F)	39 of 100 (Notable)
Broken Bow 1 N	United States	Record daily precipitation	94.7 mm (3.7 in)	39 of 100 (Notable)
Troicko-Pecherskoe	Russia	Record high maximum temperature	19.8 C (67.6 F)	38 of 100 (Notable)
Troicko-Pecherskoe	Russia	Record high minimum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Vitebsk	Belarus	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
Waterdale	United States	Record high minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Cynthiana	United States	Record daily precipitation	97.0 mm (3.8 in)	37 of 100 (Notable)
Stevensville 2SW	United States	Record low maximum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Milan Exp STN	United States	Record daily precipitation	91.9 mm (3.6 in)	37 of 100 (Notable)
Chattanooga AP	United States	Record daily precipitation	86.6 mm (3.4 in)	37 of 100 (Notable)
Ust-USA	Russia	Record high minimum temperature	12.3 C (54.1 F)	36 of 100 (Notable)
Jeanerette 5 NW	United States	Record high minimum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Selmer	United States	Record daily precipitation	114.3 mm (4.5 in)	36 of 100 (Notable)
Kalgoorlie-Boulder Airport	Australia	Record high maximum temperature	33.8 C (92.8 F)	35 of 100 (Notable)
Derbent	Russia	Record high maximum temperature	27.9 C (82.2 F)	35 of 100 (Notable)
Wittmann 1SE	United States	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Madison Sewage Plt	United States	Record daily precipitation	42.7 mm (1.7 in)	35 of 100 (Notable)
Sola	Norway	Record low maximum temperature	9.0 C (48.2 F)	34 of 100 (Routine)
Berezovo	Russia	Record high maximum temperature	20.1 C (68.2 F)	34 of 100 (Routine)
Dunlow 1 SW	United States	Record daily precipitation	56.9 mm (2.2 in)	34 of 100 (Routine)
Tampa Intl AP	United States	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Vorkuta	Russia	Record high maximum temperature	20.4 C (68.7 F)	33 of 100 (Routine)
Petrun	Russia	Record high maximum temperature	17.7 C (63.9 F)	33 of 100 (Routine)
Natchez	United States	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Zanesville Muni AP	United States	Record daily precipitation	39.9 mm (1.6 in)	33 of 100 (Routine)
Valentia Observatory	Ireland	Record low minimum temperature	3.1 C (37.6 F)	32 of 100 (Routine)
Ims	Norway	Record daily precipitation	64.8 mm (2.6 in)	32 of 100 (Routine)
Salekhard	Russia	Record high maximum temperature	19.3 C (66.7 F)	32 of 100 (Routine)
Mosquero 1 NE	United States	Record high maximum temperature	33.3 C (91.9 F)	32 of 100 (Routine)
Oktyabr Skoye	Russia	Record high maximum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Verhoture	Russia	Record high maximum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Huelva (Ronda del Este)	Spain	Record high maximum temperature	38.2 C (100.8 F)	31 of 100 (Routine)
Blue Mtn Dam	United States	Record daily precipitation	95.0 mm (3.7 in)	31 of 100 (Routine)
Minden	United States	Record daily precipitation	58.4 mm (2.3 in)	31 of 100 (Routine)
Union City	United States	Record daily precipitation	50.3 mm (2.0 in)	31 of 100 (Routine)
Nice	France	Record high maximum temperature	28.8 C (83.8 F)	30 of 100 (Routine)
Svinoy Fyr	Norway	Record low minimum temperature	5.0 C (41.0 F)	30 of 100 (Routine)
Amderma	Russia	Record high maximum temperature	16.3 C (61.3 F)	30 of 100 (Routine)

Counts by Type and Timescale

497 records

Records set or tied on 24 September 2018 by type: Highest daily maximum 119, Lowest daily maximum 33, Highest daily minimum 177, Lowest daily minimum 53, Heaviest daily rainfall 110, Deepest snow cover 5.

Records on 24 September 2018 by type
Record type	Records
Highest daily maximum	119
Lowest daily maximum	33
Highest daily minimum	177
Lowest daily minimum	53
Heaviest daily rainfall	110
Heaviest daily snowfall	0
Deepest snow cover	5

Records on 24 September 2018 by timescale: all-time 0, monthly 8, daily 489.

How Much Records Were Beaten By

397 broken records

Margins by which the 397 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 179.3. Ties are not counted.

Top 20 by Significance

24 September 2018

Top 20 records on 24 September 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 2018	Lavon Dam, US	daily rain	191.0 mm (7.5 in)	179.3 mm (7.1 in)	63 years	65 of 100 (Major)
24 September 2018	Lexington, US	daily rain	157.0 mm (6.2 in)	112.5 mm (4.4 in)	43 years	57 of 100 (Notable)
24 September 2018	Chongqing, CN	daily rain	72.4 mm (2.9 in)	42.4 mm (1.7 in)	65 years	56 of 100 (Notable)
24 September 2018	Rome R B Russell AP, US	daily rain	79.8 mm (3.1 in)	54.1 mm (2.1 in)	67 years	55 of 100 (Notable)
24 September 2018	Lankaran, AZ	daily rain	99.1 mm (3.9 in)	27.9 mm (1.1 in)	107 years	54 of 100 (Notable)
24 September 2018	Smolensk, RU	daily rain	36.3 mm (1.4 in)	19.5 mm (0.8 in)	60 years	54 of 100 (Notable)
24 September 2018	Coshocton Wpc Plt, US	daily rain	75.2 mm (3.0 in)	14.2 mm (0.6 in)	92 years	49 of 100 (Notable)
24 September 2018	Avon Park 2 W, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	123 years	48 of 100 (Notable)
24 September 2018	Bialystok, PL	daily rain	26.7 mm (1.1 in)	17.8 mm (0.7 in)	65 years	46 of 100 (Notable)
24 September 2018	Calion L&D, US	daily rain	79.2 mm (3.1 in)	66.5 mm (2.6 in)	20 years	46 of 100 (Notable)
24 September 2018	Amderma, RU	daily high min	10.3 C (50.5 F)	4.2 C (7.6 F)	77 years	45 of 100 (Notable)
24 September 2018	Hissar, IN	daily rain	61.0 mm (2.4 in)	10.2 mm (0.4 in)	100 years	44 of 100 (Notable)
24 September 2018	Nimrod Dam, US	daily rain	150.1 mm (5.9 in)	61.2 mm (2.4 in)	12 years	44 of 100 (Notable)
24 September 2018	Dresden, US	daily rain	52.6 mm (2.1 in)	26.4 mm (1.0 in)	63 years	43 of 100 (Notable)
24 September 2018	Mt Pleasant, US	monthly rain	148.6 mm (5.9 in)	11.4 mm (0.4 in)	61 years	43 of 100 (Notable)
24 September 2018	Louisville Intl AP, US	daily rain	63.2 mm (2.5 in)	40.3 mm (1.6 in)	33 years	43 of 100 (Notable)
24 September 2018	Ajmer, IN	daily rain	33.0 mm (1.3 in)	9.4 mm (0.37 in)	89 years	41 of 100 (Notable)
24 September 2018	Huntingdon Wtp, US	daily rain	109.2 mm (4.3 in)	62.0 mm (2.4 in)	20 years	40 of 100 (Notable)
24 September 2018	Mt Vernon, US	daily rain	70.9 mm (2.8 in)	51.1 mm (2.0 in)	21 years	40 of 100 (Notable)
24 September 2018	Albany, AU	daily high min	14.2 C (57.6 F)	0.9 C (1.6 F)	85 years	39 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

1803 to 2018

Records set or tied on this calendar date in each year from 1803 to 2018. 2018 had 497 records.

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

Records on 09-24 in each year
Year	Records
1803	1
1835	1
1836	1
1842	1
1847	1
1852	2
1854	2
1857	2
1858	1
1859	1
1860	1
1863	1
1864	1
1865	1
1866	1
1867	2
1868	1
1870	3
1871	1
1872	1
1873	1
1874	2
1875	2
1876	1
1877	3
1878	2
1881	5
1884	1
1885	2
1887	1
1889	5
1890	1
1891	2
1892	5
1893	1
1894	2
1895	7
1896	2
1898	1
1899	4
1900	5
1901	3
1902	10
1903	8
1904	9
1905	7
1906	5
1907	20
1908	23
1909	31
1910	8
1911	11
1912	49
1913	9
1914	23
1915	159
1916	253
1917	87
1918	7
1919	26
1920	69
1921	23
1922	49
1923	70
1924	175
1925	146
1926	630
1927	194
1928	603
1929	137
1930	488
1931	463
1932	354
1933	424
1934	367
1935	449
1936	329
1937	237
1938	355
1939	331
1940	319
1941	319
1942	918
1943	413
1944	334
1945	475
1946	425
1947	704
1948	422
1949	554
1950	778
1951	580
1952	425
1953	346
1954	269
1955	577
1956	427
1957	370
1958	725
1959	414
1960	487
1961	680
1962	360
1963	715
1964	329
1965	624
1966	410
1967	394
1968	433
1969	278
1970	1,046
1971	485
1972	480
1973	1,208
1974	1,204
1975	1,116
1976	556
1977	814
1978	619
1979	577
1980	633
1981	604
1982	702
1983	1,128
1984	1,565
1985	771
1986	1,207
1987	729
1988	740
1989	1,668
1990	969
1991	519
1992	1,250
1993	1,055
1994	842
1995	1,251
1996	676
1997	1,238
1998	945
1999	933
2000	1,966
2001	1,097
2002	885
2003	863
2004	600
2005	1,256
2006	1,306
2007	1,244
2008	633
2009	866
2010	1,340
2011	770
2012	545
2013	514
2014	764
2015	770
2016	732
2017	1,402
2018	497
2019	516
2020	754
2021	457
2022	395
2023	689
2024	778
2025	576
2026	389

Download the Data

Data for records on 2018-09-24: 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 25	380
25 to 50	7
50 to 75	8
75 to 100	0
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	1