Weather Records on 18 October 1927

309 weather records were set or tied worldwide on 18 October 1927. Highest significance: Ithaca Cornell UNIV, US.

Key Facts for 18 October 1927

On 18 October 1927, 309 weather records were set or tied at long-record stations worldwide.
92 were record highs and 156 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 304 daily.
Ithaca Cornell UNIV set a daily record precipitation of 51.1 mm (2.0 in) on 18 October 1927.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 434 records.

Record Map

309 stations

309 station records on 18 October 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ithaca Cornell UNIV	United States	Record daily precipitation	51.1 mm (2.0 in)	47 of 100 (Notable)
Quakertown	United States	Record daily precipitation	40.4 mm (1.6 in)	39 of 100 (Notable)
Somerville 4 NW	United States	Record daily precipitation	72.1 mm (2.8 in)	38 of 100 (Notable)
Atlantic City Marina	United States	Record daily precipitation	49.8 mm (2.0 in)	38 of 100 (Notable)
Steveston	Canada	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Grantsville	United States	Record daily precipitation	48.3 mm (1.9 in)	33 of 100 (Routine)
Emmitsburg	United States	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Charlotteburg Rsvr	United States	Record daily precipitation	44.7 mm (1.8 in)	30 of 100 (Routine)
Dover	United States	Record daily precipitation	57.2 mm (2.3 in)	30 of 100 (Routine)
Hightstown 2 W	United States	Record daily precipitation	66.0 mm (2.6 in)	28 of 100 (Routine)
Tarboro 1 S	United States	Record low maximum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Lycippus 1 E	United States	Record daily precipitation	55.6 mm (2.2 in)	28 of 100 (Routine)
World Trade Ctr	United States	Record daily precipitation	64.0 mm (2.5 in)	27 of 100 (Routine)
Melbourne Regional Office	Australia	Record high maximum temperature	33.4 C (92.1 F)	26 of 100 (Routine)
Tampa	United States	Record low maximum temperature	19.4 C (66.9 F)	26 of 100 (Routine)
Elizabeth	United States	Record daily precipitation	57.2 mm (2.3 in)	26 of 100 (Routine)
Lambertville River	United States	Record daily precipitation	52.8 mm (2.1 in)	26 of 100 (Routine)
Fernandina Beach	United States	Record low minimum temperature	8.3 C (46.9 F)	25 of 100 (Routine)
Monroe 2 SE	United States	Record low maximum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Louisburg	United States	Record low maximum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Somerset Main Street	United States	Record daily precipitation	52.1 mm (2.1 in)	24 of 100 (Routine)
State College	United States	Record daily precipitation	32.8 mm (1.3 in)	24 of 100 (Routine)
Plainfield	United States	Record daily precipitation	57.2 mm (2.3 in)	23 of 100 (Routine)
Chapel Hill 2 W	United States	Record daily precipitation	69.9 mm (2.8 in)	23 of 100 (Routine)
Salisbury	United States	Record low maximum temperature	8.9 C (48.0 F)	23 of 100 (Routine)
Wilmington Wb City	United States	Record low maximum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Rocky Mt	United States	Record low maximum temperature	8.9 C (48.0 F)	23 of 100 (Routine)
Asheville	United States	Record low maximum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Dwtn Charleston	United States	Record low minimum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Jacksonville Wb City	United States	Record low maximum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Montgomery Wb City	United States	Record low maximum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Waynesville 1 E	United States	Record low maximum temperature	6.7 C (44.1 F)	21 of 100 (Routine)
Charlottesville 2W	United States	Record low maximum temperature	8.3 C (46.9 F)	21 of 100 (Routine)
Morgantown 1	United States	Record daily precipitation	28.7 mm (1.1 in)	21 of 100 (Routine)
Parnu	Estonia	Record daily precipitation	14.6 mm (0.6 in)	20 of 100 (Routine)
Thelangerin East	Australia	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Olga 2 SE	United States	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Alice Springs Post Office	Australia	Record high minimum temperature	24.4 C (75.9 F)	20 of 100 (Routine)
St Augustine	United States	Record low maximum temperature	19.4 C (66.9 F)	20 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low maximum temperature	19.0 C (66.2 F)	19 of 100 (Routine)
St. Petersburg	Russia	Record daily precipitation	5.6 mm (0.22 in)	19 of 100 (Routine)
Brooksville Chin Hill	United States	Record low minimum temperature	9.4 C (48.9 F)	19 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	29.2 mm (1.1 in)	19 of 100 (Routine)
Eugene	United States	Record high maximum temperature	25.0 C (77.0 F)	19 of 100 (Routine)
Lock Haven	United States	Record daily precipitation	27.9 mm (1.1 in)	19 of 100 (Routine)
Carthage	United States	Record low minimum temperature	-4.4 C (24.1 F)	19 of 100 (Routine)
Rogersville 1 NE	United States	Record low maximum temperature	8.9 C (48.0 F)	19 of 100 (Routine)
Wellsburg Wtr Trmt Pl	United States	Record daily precipitation	30.0 mm (1.2 in)	19 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	28.2 mm (1.1 in)	19 of 100 (Routine)
Chilliwack	Canada	Record daily precipitation	39.1 mm (1.5 in)	18 of 100 (Routine)
Fredericton Unb	Canada	Record daily precipitation	46.5 mm (1.8 in)	18 of 100 (Routine)
Simferopol	Ukraine	Record high minimum temperature	15.0 C (59.0 F)	18 of 100 (Routine)
Federal Pt	United States	Record low minimum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Saint Leo	United States	Record low minimum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Frederick Police Brks	United States	Record daily precipitation	47.0 mm (1.9 in)	18 of 100 (Routine)
Charlotte Wb City	United States	Record low maximum temperature	11.7 C (53.1 F)	18 of 100 (Routine)
Huntingdon	United States	Record daily precipitation	33.0 mm (1.3 in)	18 of 100 (Routine)
Hot Springs	United States	Record low maximum temperature	5.6 C (42.1 F)	18 of 100 (Routine)

Counts by Type and Timescale

309 records

Records set or tied on 18 October 1927 by type: Highest daily maximum 64, Lowest daily maximum 101, Highest daily minimum 28, Lowest daily minimum 55, Heaviest daily rainfall 61.

Records on 18 October 1927 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	101
Highest daily minimum	28
Lowest daily minimum	55
Heaviest daily rainfall	61
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 October 1927 by timescale: all-time 0, monthly 5, daily 304.

How Much Records Were Beaten By

243 broken records

Margins by which the 243 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 48.8. Ties are not counted.

Top 20 by Significance

18 October 1927

Top 20 records on 18 October 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 1927	Ithaca Cornell UNIV, US	daily rain	51.1 mm (2.0 in)	40.2 mm (1.6 in)	16 years	47 of 100 (Notable)
18 October 1927	Quakertown, US	daily rain	40.4 mm (1.6 in)	35.3 mm (1.4 in)	27 years	39 of 100 (Notable)
18 October 1927	Somerville 4 NW, US	daily rain	72.1 mm (2.8 in)	45.4 mm (1.8 in)	16 years	38 of 100 (Notable)
18 October 1927	Atlantic City Marina, US	daily rain	49.8 mm (2.0 in)	30.2 mm (1.2 in)	48 years	38 of 100 (Notable)
18 October 1927	Steveston, CA	daily rain	35.6 mm (1.4 in)	19.3 mm (0.8 in)	12 years	34 of 100 (Routine)
18 October 1927	Altoona Horseshoe Curv, US	daily rain	47.0 mm (1.9 in)	22.1 mm (0.9 in)	28 years	34 of 100 (Routine)
18 October 1927	Grantsville, US	daily rain	48.3 mm (1.9 in)	21.6 mm (0.9 in)	28 years	33 of 100 (Routine)
18 October 1927	Emmitsburg, US	daily rain	48.3 mm (1.9 in)	31.0 mm (1.2 in)	20 years	31 of 100 (Routine)
18 October 1927	Charlotteburg Rsvr, US	daily rain	44.7 mm (1.8 in)	36.1 mm (1.4 in)	12 years	30 of 100 (Routine)
18 October 1927	Dover, US	daily rain	57.2 mm (2.3 in)	39.4 mm (1.6 in)	27 years	30 of 100 (Routine)
18 October 1927	Hightstown 2 W, US	daily rain	66.0 mm (2.6 in)	37.0 mm (1.5 in)	16 years	28 of 100 (Routine)
18 October 1927	Tarboro 1 S, US	daily low max	11.1 C (52.0 F)	8.9 C (16.0 F)	24 years	28 of 100 (Routine)
18 October 1927	Lycippus 1 E, US	monthly rain	55.6 mm (2.2 in)	8.6 mm (0.34 in)	25 years	28 of 100 (Routine)
18 October 1927	World Trade Ctr, US	daily rain	64.0 mm (2.5 in)	31.2 mm (1.2 in)	16 years	27 of 100 (Routine)
18 October 1927	Melbourne Regional Office, AU	daily high max	33.4 C (92.1 F)	2.1 C (3.8 F)	52 years	26 of 100 (Routine)
18 October 1927	Tampa, US	daily low max	19.4 C (66.9 F)	4.5 C (8.1 F)	28 years	26 of 100 (Routine)
18 October 1927	Elizabeth, US	daily rain	57.2 mm (2.3 in)	48.8 mm (1.9 in)	0 years	26 of 100 (Routine)
18 October 1927	Lambertville River, US	daily rain	52.8 mm (2.1 in)	30.7 mm (1.2 in)	16 years	26 of 100 (Routine)
18 October 1927	Fernandina Beach, US	daily low min	8.3 C (46.9 F)	5.6 C (10.1 F)	30 years	25 of 100 (Routine)
18 October 1927	Monroe 2 SE, US	daily low max	12.8 C (55.0 F)	6.6 C (11.9 F)	28 years	25 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

1794 to 1927

Records set or tied on this calendar date in each year from 1794 to 1927. 1927 had 309 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 1927-10-18: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	216
10 to 20	12
20 to 30	4
30 to 40	8
40 to 50	3