Weather Records on 27 October 2017

582 weather records were set or tied worldwide on 27 October 2017. Highest significance: Annex Creek, US.

Key Facts for 27 October 2017

On 27 October 2017, 582 weather records were set or tied at long-record stations worldwide.
275 were record highs and 80 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 575 daily.
Annex Creek set a daily record precipitation of 140.0 mm (5.5 in) on 27 October 2017.
Across 159 earlier years (1802 to 2025) the same calendar date averaged 478 records.

Record Map

582 stations

582 station records on 27 October 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 October 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Annex Creek	United States	Record daily precipitation	140.0 mm (5.5 in)	77 of 100 (Major)
Krambach (Bellevue)	Australia	Record daily precipitation	64.4 mm (2.5 in)	73 of 100 (Major)
Nelligen (Thule Road)	Australia	Record daily precipitation	83.8 mm (3.3 in)	66 of 100 (Major)
Bergland Dam	United States	Record daily precipitation	46.0 mm (1.8 in)	66 of 100 (Major)
Golspie (Ayrston)	Australia	Record daily precipitation	36.6 mm (1.4 in)	62 of 100 (Major)
Breadalbane (Old Post Office)	Australia	Record daily precipitation	32.4 mm (1.3 in)	62 of 100 (Major)
Pine Rvr Dam	United States	Record daily snowfall	12.7 cm (5.0 in)	61 of 100 (Major)
Gustavus	United States	Record daily precipitation	69.9 mm (2.8 in)	59 of 100 (Notable)
Madison	United States	Record daily precipitation	57.2 mm (2.3 in)	56 of 100 (Notable)
Waskish 4NE	United States	Record daily snowfall	7.6 cm (3.0 in)	56 of 100 (Notable)
Elfin Cove	United States	Record daily precipitation	162.1 mm (6.4 in)	56 of 100 (Notable)
Ft Kent	United States	Record daily precipitation	54.6 mm (2.1 in)	53 of 100 (Notable)
Wedderburn (Booalbyn)	Australia	Record daily precipitation	66.0 mm (2.6 in)	52 of 100 (Notable)
Duluth	United States	Record daily snowfall	26.9 cm (10.6 in)	52 of 100 (Notable)
Eustis	United States	Record daily precipitation	52.1 mm (2.1 in)	51 of 100 (Notable)
Keene	United States	Record daily precipitation	45.0 mm (1.8 in)	51 of 100 (Notable)
Lugano	Switzerland	Record high maximum temperature	23.9 C (75.0 F)	49 of 100 (Notable)
Rangeley	United States	Record daily precipitation	57.2 mm (2.3 in)	49 of 100 (Notable)
Rochester Intl AP	United States	Record daily snowfall	6.6 cm (2.6 in)	49 of 100 (Notable)
Brooman (Carisbrook)	Australia	Record daily precipitation	100.0 mm (3.9 in)	47 of 100 (Notable)
Juneau AP	United States	Record daily precipitation	51.1 mm (2.0 in)	46 of 100 (Notable)
Dubbo (Mentone)	Australia	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Dalton (Rose Valley)	Australia	Record daily precipitation	36.4 mm (1.4 in)	45 of 100 (Notable)
Berridale (Myack Street)	Australia	Record daily precipitation	27.2 mm (1.1 in)	45 of 100 (Notable)
Ikerasassuaq	Greenland [Denmark]	Record high minimum temperature	7.3 C (45.1 F)	45 of 100 (Notable)
Ojai	United States	Record high maximum temperature	38.3 C (100.9 F)	44 of 100 (Notable)
Hallock	United States	Record daily snowfall	5.1 cm (2.0 in)	44 of 100 (Notable)
Auke Bay	United States	Record daily precipitation	55.1 mm (2.2 in)	44 of 100 (Notable)
Turramurra (Kissing Point Road	Australia	Record daily precipitation	61.6 mm (2.4 in)	43 of 100 (Notable)
Nuuk	Greenland [Denmark]	Record daily precipitation	52.0 mm (2.0 in)	43 of 100 (Notable)
Bingham Wyman Dam	United States	Record daily precipitation	49.8 mm (2.0 in)	43 of 100 (Notable)
Majors Creek (the Old School)	Australia	Record daily precipitation	33.2 mm (1.3 in)	42 of 100 (Notable)
Itasca UNIV of Minn	United States	Record daily snowfall	10.2 cm (4.0 in)	42 of 100 (Notable)
Pinkham Notch	United States	Record daily precipitation	66.0 mm (2.6 in)	42 of 100 (Notable)
Hoonah	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Pelican	United States	Record daily precipitation	149.4 mm (5.9 in)	42 of 100 (Notable)
Breivoll	Norway	Record daily precipitation	47.0 mm (1.9 in)	41 of 100 (Notable)
Elsinore	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Tejon Rancho	United States	Record high minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Gardiner	United States	Record daily precipitation	55.9 mm (2.2 in)	41 of 100 (Notable)
Indus 3 W	United States	Record daily snowfall	6.6 cm (2.6 in)	41 of 100 (Notable)
Tellico Plains	United States	Record daily precipitation	34.3 mm (1.4 in)	41 of 100 (Notable)
Fairmont	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Red Lake Falls	United States	Record daily snowfall	5.6 cm (2.2 in)	40 of 100 (Notable)
Fairmont	United States	Record high maximum temperature	32.2 C (90.0 F)	39 of 100 (Notable)
Moosehead	United States	Record daily precipitation	39.9 mm (1.6 in)	39 of 100 (Notable)
Pembina	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Paterson (Tocal AWS)	Australia	Record daily precipitation	38.0 mm (1.5 in)	38 of 100 (Notable)
Lisboa Geofisica	Portugal	Record high maximum temperature	30.0 C (86.0 F)	38 of 100 (Notable)
Big Bay 1NW	United States	Record daily precipitation	30.2 mm (1.2 in)	38 of 100 (Notable)
Estacada 2 SE	United States	Record high minimum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Cairns Post Office	Australia	Record low minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Elderslie	Australia	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Brogo (Hawks Head Road)	Australia	Record daily precipitation	58.0 mm (2.3 in)	37 of 100 (Notable)
Cooma Visitors Centre	Australia	Record daily precipitation	27.8 mm (1.1 in)	37 of 100 (Notable)
Carboor	Australia	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Mt Pleasant	United States	Record high maximum temperature	34.4 C (93.9 F)	37 of 100 (Notable)
Tete	Mozambique	Record high maximum temperature	45.3 C (113.5 F)	36 of 100 (Notable)
Newman	United States	Record high maximum temperature	35.0 C (95.0 F)	36 of 100 (Notable)
Haines AP	United States	Record daily precipitation	35.3 mm (1.4 in)	36 of 100 (Notable)

Counts by Type and Timescale

582 records

Records set or tied on 27 October 2017 by type: Highest daily maximum 182, Lowest daily maximum 32, Highest daily minimum 93, Lowest daily minimum 48, Heaviest daily rainfall 172, Heaviest daily snowfall 34, Deepest snow cover 21.

Records on 27 October 2017 by type
Record type	Records
Highest daily maximum	182
Lowest daily maximum	32
Highest daily minimum	93
Lowest daily minimum	48
Heaviest daily rainfall	172
Heaviest daily snowfall	34
Deepest snow cover	21

Records on 27 October 2017 by timescale: all-time 0, monthly 7, daily 575.

How Much Records Were Beaten By

489 broken records

Margins by which the 489 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 130.3. Ties are not counted.

Top 20 by Significance

27 October 2017

Top 20 records on 27 October 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 October 2017	Annex Creek, US	daily rain	140.0 mm (5.5 in)	89.2 mm (3.5 in)	91 years	77 of 100 (Major)
27 October 2017	Krambach (Bellevue), AU	daily rain	64.4 mm (2.5 in)	43.1 mm (1.7 in)	108 years	73 of 100 (Major)
27 October 2017	Nelligen (Thule Road), AU	daily rain	83.8 mm (3.3 in)	54.6 mm (2.1 in)	95 years	66 of 100 (Major)
27 October 2017	Bergland Dam, US	daily rain	46.0 mm (1.8 in)	20.6 mm (0.8 in)	107 years	66 of 100 (Major)
27 October 2017	Golspie (Ayrston), AU	daily rain	36.6 mm (1.4 in)	19.8 mm (0.8 in)	114 years	62 of 100 (Major)
27 October 2017	Breadalbane (Old Post Office), AU	daily rain	32.4 mm (1.3 in)	22.5 mm (0.9 in)	91 years	62 of 100 (Major)
27 October 2017	Pine Rvr Dam, US	daily snowfall	12.7 cm (5.0 in)	8.9 cm (3.5 in)	107 years	61 of 100 (Major)
27 October 2017	Gustavus, US	daily rain	69.9 mm (2.8 in)	39.4 mm (1.6 in)	40 years	59 of 100 (Notable)
27 October 2017	Madison, US	daily rain	57.2 mm (2.3 in)	21.1 mm (0.8 in)	108 years	56 of 100 (Notable)
27 October 2017	Waskish 4NE, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	94 years	56 of 100 (Notable)
27 October 2017	Elfin Cove, US	daily rain	162.1 mm (6.4 in)	130.3 mm (5.1 in)	40 years	56 of 100 (Notable)
27 October 2017	Ft Kent, US	daily rain	54.6 mm (2.1 in)	33.3 mm (1.3 in)	24 years	53 of 100 (Notable)
27 October 2017	Wedderburn (Booalbyn), AU	daily rain	66.0 mm (2.6 in)	50.5 mm (2.0 in)	44 years	52 of 100 (Notable)
27 October 2017	Duluth, US	monthly snowfall	26.9 cm (10.6 in)	6.8 cm (2.7 in)	51 years	52 of 100 (Notable)
27 October 2017	Eustis, US	daily rain	52.1 mm (2.1 in)	40.4 mm (1.6 in)	15 years	51 of 100 (Notable)
27 October 2017	Keene, US	daily rain	45.0 mm (1.8 in)	15.0 mm (0.6 in)	123 years	51 of 100 (Notable)
27 October 2017	Lugano, CH	daily high max	23.9 C (75.0 F)	3.4 C (6.1 F)	112 years	49 of 100 (Notable)
27 October 2017	Rangeley, US	daily rain	57.2 mm (2.3 in)	36.9 mm (1.5 in)	36 years	49 of 100 (Notable)
27 October 2017	Rochester Intl AP, US	daily snowfall	6.6 cm (2.6 in)	2.8 cm (1.1 in)	100 years	49 of 100 (Notable)
27 October 2017	Brooman (Carisbrook), AU	daily rain	100.0 mm (3.9 in)	85.0 mm (3.3 in)	14 years	47 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

1802 to 2017

Records set or tied on this calendar date in each year from 1802 to 2017. 2017 had 582 records.

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

Records on 10-27 in each year
Year	Records
1802	1
1807	1
1816	1
1831	1
1838	1
1840	1
1841	2
1847	2
1849	2
1856	2
1861	1
1866	4
1869	4
1870	2
1871	2
1873	1
1874	2
1876	1
1878	1
1880	2
1881	2
1885	2
1886	2
1887	5
1888	3
1889	1
1890	2
1892	3
1893	2
1894	2
1895	3
1896	2
1898	4
1899	14
1900	9
1901	5
1902	8
1903	23
1904	6
1905	11
1906	11
1907	9
1908	16
1909	13
1910	14
1911	20
1912	42
1913	91
1914	54
1915	65
1916	28
1917	45
1918	77
1919	74
1920	98
1921	37
1922	97
1923	63
1924	104
1925	383
1926	176
1927	521
1928	162
1929	92
1930	158
1931	241
1932	319
1933	313
1934	173
1935	266
1936	725
1937	477
1938	160
1939	836
1940	605
1941	409
1942	629
1943	479
1944	519
1945	674
1946	450
1947	551
1948	160
1949	182
1950	603
1951	269
1952	640
1953	285
1954	493
1955	578
1956	339
1957	1,116
1958	163
1959	376
1960	180
1961	428
1962	704
1963	798
1964	294
1965	284
1966	256
1967	485
1968	436
1969	532
1970	1,071
1971	1,157
1972	694
1973	719
1974	384
1975	424
1976	1,387
1977	608
1978	593
1979	553
1980	1,148
1981	1,076
1982	793
1983	707
1984	1,183
1985	592
1986	531
1987	863
1988	829
1989	1,506
1990	441
1991	1,722
1992	703
1993	667
1994	894
1995	1,238
1996	1,651
1997	2,783
1998	1,696
1999	991
2000	832
2001	1,100
2002	1,040
2003	1,669
2004	1,546
2005	897
2006	1,442
2007	950
2008	650
2009	954
2010	1,676
2011	690
2012	991
2013	706
2014	973
2015	395
2016	761
2017	582
2018	701
2019	1,364
2020	2,886
2021	536
2022	657
2023	1,668
2024	694
2025	524

Download the Data

Data for records on 2017-10-27: 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 2026-10-16 (16 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 20	416
20 to 40	48
40 to 60	13
60 to 80	7
80 to 100	4
100 to 120	0
120 to 140	1