Weather Records on 18 October 2009

1,546 weather records were set or tied worldwide on 18 October 2009. Highest significance: Nikolaev, UA.

Key Facts for 18 October 2009

On 18 October 2009, 1,546 weather records were set or tied at long-record stations worldwide.
459 were record highs and 988 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 27 monthly and 1,519 daily.
Nikolaev set a daily record precipitation of 40.4 mm (1.6 in) on 18 October 2009.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 427 records.

Record Map

1,546 stations

1,546 station records on 18 October 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nikolaev	Ukraine	Record daily precipitation	40.4 mm (1.6 in)	64 of 100 (Major)
Wetumpka	United States	Record low maximum temperature	11.1 C (52.0 F)	56 of 100 (Notable)
Live Oak	United States	Record low maximum temperature	15.6 C (60.1 F)	56 of 100 (Notable)
Blue Hill Coop	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Oneonta	United States	Record low maximum temperature	8.9 C (48.0 F)	54 of 100 (Notable)
Scottsboro	United States	Record low maximum temperature	9.4 C (48.9 F)	52 of 100 (Notable)
Rudnaja Pristan	Russia	Record daily precipitation	59.1 mm (2.3 in)	48 of 100 (Notable)
Talladega	United States	Record low maximum temperature	10.0 C (50.0 F)	48 of 100 (Notable)
Walhalla	United States	Record low maximum temperature	10.0 C (50.0 F)	47 of 100 (Notable)
Moorefield 1 SSE	United States	Record low maximum temperature	6.7 C (44.1 F)	47 of 100 (Notable)
Perry	United States	Record low maximum temperature	16.7 C (62.1 F)	46 of 100 (Notable)
Blakely	United States	Record low maximum temperature	12.8 C (55.0 F)	46 of 100 (Notable)
Thomasville 7 NE	United States	Record low maximum temperature	13.3 C (55.9 F)	46 of 100 (Notable)
Warrenton	United States	Record low maximum temperature	11.7 C (53.1 F)	46 of 100 (Notable)
Brookhaven City	United States	Record low maximum temperature	15.0 C (59.0 F)	46 of 100 (Notable)
Valley Head	United States	Record low maximum temperature	8.9 C (48.0 F)	45 of 100 (Notable)
Rison	United States	Record low maximum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Selinsgrove 2 S	United States	Record low maximum temperature	5.0 C (41.0 F)	45 of 100 (Notable)
Saltville 1N	United States	Record low maximum temperature	8.3 C (46.9 F)	45 of 100 (Notable)
Plant City	United States	Record low maximum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Cuthbert	United States	Record low maximum temperature	11.1 C (52.0 F)	44 of 100 (Notable)
Talbotton	United States	Record low maximum temperature	13.3 C (55.9 F)	44 of 100 (Notable)
Valdosta 2 S	United States	Record low maximum temperature	15.0 C (59.0 F)	44 of 100 (Notable)
Greeneville Exp STN	United States	Record low maximum temperature	7.8 C (46.0 F)	44 of 100 (Notable)
Dublin	United States	Record low maximum temperature	11.1 C (52.0 F)	43 of 100 (Notable)
Milledgeville	United States	Record low maximum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Hart 3 WSW	United States	Record low minimum temperature	-5.0 C (23.0 F)	43 of 100 (Notable)
Banner Elk	United States	Record low maximum temperature	1.7 C (35.1 F)	43 of 100 (Notable)
Waverly	United States	Record low maximum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Long Creek	United States	Record low maximum temperature	8.9 C (48.0 F)	43 of 100 (Notable)
Warsaw 2 NW	United States	Record low maximum temperature	9.4 C (48.9 F)	43 of 100 (Notable)
Vero Beach Intl AP	United States	Record low minimum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Ny City Cntrl Park	United States	Record low maximum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Williams	United States	Record high minimum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Calistoga	United States	Record high minimum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Hawkinsville	United States	Record low maximum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Natchez	United States	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Tapoco	United States	Record low maximum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
New Castle 1 N	United States	Record low maximum temperature	5.6 C (42.1 F)	42 of 100 (Notable)
State College	United States	Record low maximum temperature	3.9 C (39.0 F)	42 of 100 (Notable)
Carthage	United States	Record low maximum temperature	8.3 C (46.9 F)	42 of 100 (Notable)
Beckley Va Hospital	United States	Record low maximum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Freiburg	Germany	Record low minimum temperature	-2.2 C (28.0 F)	41 of 100 (Notable)
Marienberg-Reitzenhain	Germany	Record snow depth	20.0 cm (7.9 in)	41 of 100 (Notable)
Ft Lauderdale	United States	Record low minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
St Petersburg	United States	Record low maximum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Gainesville	United States	Record low maximum temperature	8.9 C (48.0 F)	41 of 100 (Notable)
Toccoa	United States	Record low maximum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Columbus	United States	Record low maximum temperature	8.9 C (48.0 F)	41 of 100 (Notable)
Chestertown	United States	Record low maximum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Middletown 2 NW	United States	Record low maximum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Brevard	United States	Record low maximum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Towanda 1 S	United States	Record low maximum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Greenwood	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Hohenwald	United States	Record low maximum temperature	8.9 C (48.0 F)	41 of 100 (Notable)
Milan Exp STN	United States	Record low maximum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Sewanee	United States	Record low maximum temperature	8.9 C (48.0 F)	41 of 100 (Notable)
New Cumberland L/D	United States	Record low maximum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Chemnitz	Germany	Record low maximum temperature	5.3 C (41.5 F)	40 of 100 (Notable)
Arad	Romania	Record low maximum temperature	8.7 C (47.7 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,546 records

Records set or tied on 18 October 2009 by type: Highest daily maximum 184, Lowest daily maximum 831, Highest daily minimum 275, Lowest daily minimum 157, Heaviest daily rainfall 69, Heaviest daily snowfall 17, Deepest snow cover 13.

Records on 18 October 2009 by type
Record type	Records
Highest daily maximum	184
Lowest daily maximum	831
Highest daily minimum	275
Lowest daily minimum	157
Heaviest daily rainfall	69
Heaviest daily snowfall	17
Deepest snow cover	13

Records on 18 October 2009 by timescale: all-time 0, monthly 27, daily 1,519.

How Much Records Were Beaten By

1,177 broken records

Margins by which the 1,177 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

18 October 2009

Top 20 records on 18 October 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 2009	Nikolaev, UA	daily rain	40.4 mm (1.6 in)	24.4 mm (1.0 in)	60 years	64 of 100 (Major)
18 October 2009	Wetumpka, US	daily low max	11.1 C (52.0 F)	7.2 C (13.0 F)	110 years	56 of 100 (Notable)
18 October 2009	Live Oak, US	daily low max	15.6 C (60.1 F)	6.1 C (11.0 F)	95 years	56 of 100 (Notable)
18 October 2009	Blue Hill Coop, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	117 years	55 of 100 (Notable)
18 October 2009	Oneonta, US	daily low max	8.9 C (48.0 F)	6.7 C (12.1 F)	114 years	54 of 100 (Notable)
18 October 2009	Scottsboro, US	daily low max	9.4 C (48.9 F)	5.6 C (10.1 F)	110 years	52 of 100 (Notable)
18 October 2009	Rudnaja Pristan, RU	daily rain	59.1 mm (2.3 in)	39.5 mm (1.6 in)	54 years	48 of 100 (Notable)
18 October 2009	Talladega, US	daily low max	10.0 C (50.0 F)	3.9 C (7.0 F)	108 years	48 of 100 (Notable)
18 October 2009	Walhalla, US	daily low max	10.0 C (50.0 F)	3.3 C (5.9 F)	110 years	47 of 100 (Notable)
18 October 2009	Moorefield 1 SSE, US	daily low max	6.7 C (44.1 F)	4.4 C (7.9 F)	112 years	47 of 100 (Notable)
18 October 2009	Perry, US	daily low max	16.7 C (62.1 F)	5.5 C (9.9 F)	64 years	46 of 100 (Notable)
18 October 2009	Blakely, US	daily low max	12.8 C (55.0 F)	5.0 C (9.0 F)	82 years	46 of 100 (Notable)
18 October 2009	Thomasville 7 NE, US	daily low max	13.3 C (55.9 F)	4.5 C (8.1 F)	82 years	46 of 100 (Notable)
18 October 2009	Warrenton, US	daily low max	11.7 C (53.1 F)	5.5 C (9.9 F)	82 years	46 of 100 (Notable)
18 October 2009	Brookhaven City, US	daily low max	15.0 C (59.0 F)	2.8 C (5.0 F)	110 years	46 of 100 (Notable)
18 October 2009	Valley Head, US	daily low max	8.9 C (48.0 F)	5.5 C (9.9 F)	82 years	45 of 100 (Notable)
18 October 2009	Rison, US	daily low max	15.6 C (60.1 F)	2.7 C (4.9 F)	106 years	45 of 100 (Notable)
18 October 2009	Selinsgrove 2 S, US	daily low max	5.0 C (41.0 F)	2.8 C (5.0 F)	112 years	45 of 100 (Notable)
18 October 2009	Saltville 1N, US	daily low max	8.3 C (46.9 F)	2.8 C (5.0 F)	112 years	45 of 100 (Notable)
18 October 2009	Plant City, US	daily low max	20.6 C (69.1 F)	1.1 C (2.0 F)	110 years	44 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 2009

Records set or tied on this calendar date in each year from 1794 to 2009. 2009 had 1,546 records.

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

Records on 10-18 in each year
Year	Records
1794	1
1796	1
1799	1
1806	1
1807	1
1810	1
1811	2
1817	1
1832	1
1835	1
1836	1
1843	1
1846	2
1848	1
1849	1
1851	1
1852	1
1859	1
1863	1
1865	2
1866	2
1868	1
1869	1
1871	1
1872	1
1874	4
1876	2
1877	2
1879	3
1881	1
1882	1
1883	2
1887	1
1888	1
1890	4
1892	4
1893	1
1894	3
1895	2
1897	6
1898	5
1899	12
1900	5
1901	5
1902	6
1903	9
1904	12
1905	27
1906	17
1907	11
1908	44
1909	23
1910	50
1911	22
1912	12
1913	26
1914	52
1915	12
1916	64
1917	109
1918	24
1919	31
1920	87
1921	87
1922	59
1923	114
1924	151
1925	153
1926	149
1927	309
1928	316
1929	190
1930	507
1931	350
1932	446
1933	264
1934	222
1935	360
1936	483
1937	671
1938	536
1939	475
1940	532
1941	240
1942	332
1943	844
1944	264
1945	398
1946	355
1947	965
1948	1,128
1949	665
1950	996
1951	325
1952	394
1953	678
1954	621
1955	403
1956	578
1957	220
1958	407
1959	246
1960	612
1961	362
1962	252
1963	492
1964	311
1965	1,066
1966	613
1967	405
1968	737
1969	789
1970	501
1971	1,199
1972	1,581
1973	789
1974	746
1975	779
1976	1,326
1977	533
1978	545
1979	555
1980	1,024
1981	680
1982	654
1983	684
1984	1,331
1985	831
1986	344
1987	518
1988	733
1989	1,196
1990	1,043
1991	999
1992	1,295
1993	1,051
1994	1,296
1995	1,227
1996	795
1997	1,240
1998	1,323
1999	773
2000	823
2001	818
2002	878
2003	1,097
2004	1,156
2005	755
2006	1,328
2007	1,298
2008	531
2009	1,546
2010	634
2011	736
2012	741
2013	430
2014	690
2015	915
2016	1,511
2017	590
2018	759
2019	346
2020	957
2021	387
2022	1,334
2023	693
2024	1,142
2025	367

Download the Data

Data for records on 2009-10-18: 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	1,169
50 to 100	6
100 to 150	0
150 to 200	0
200 to 250	2