Weather Records on 17 October 1927

163 weather records were set or tied worldwide on 17 October 1927. Highest significance: Brocken, DE.

Key Facts for 17 October 1927

On 17 October 1927, 163 weather records were set or tied at long-record stations worldwide.
56 were record highs and 75 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 163 daily.
Brocken set a daily record precipitation of 26.1 mm (1.0 in) on 17 October 1927.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 441 records.

Record Map

163 stations

163 station records on 17 October 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 October 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Brocken	Germany	Record daily precipitation	26.1 mm (1.0 in)	31 of 100 (Routine)
Atlantic City Marina	United States	Record daily precipitation	46.7 mm (1.8 in)	30 of 100 (Routine)
Athens	United States	Record low minimum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Prince Albert	Canada	Record high maximum temperature	27.8 C (82.0 F)	22 of 100 (Routine)
Harrisburg - Coop	United States	Record daily precipitation	26.4 mm (1.0 in)	22 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	36.3 mm (1.4 in)	21 of 100 (Routine)
Visby_Flygplats	Sweden	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Kalmar_D	Sweden	Record daily precipitation	15.9 mm (0.6 in)	20 of 100 (Routine)
Kursk	Russia	Record daily precipitation	24.2 mm (1.0 in)	20 of 100 (Routine)
Euston Station	Australia	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Marengo	United States	Record low minimum temperature	-4.4 C (24.1 F)	20 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record daily precipitation	9.8 mm (0.39 in)	18 of 100 (Routine)
Port Townsend	United States	Record high maximum temperature	18.3 C (64.9 F)	18 of 100 (Routine)
Asheville	United States	Record low maximum temperature	12.2 C (54.0 F)	18 of 100 (Routine)
Mount McDonald	Australia	Record daily precipitation	25.9 mm (1.0 in)	17 of 100 (Routine)
Ekaterinburg	Russia	Record daily precipitation	7.5 mm (0.30 in)	17 of 100 (Routine)
Olands Norra Udde	Sweden	Record daily precipitation	8.9 mm (0.35 in)	17 of 100 (Routine)
Richmond	United States	Record low minimum temperature	1.1 C (34.0 F)	17 of 100 (Routine)
Chinook	United States	Record high maximum temperature	29.4 C (84.9 F)	17 of 100 (Routine)
State College	United States	Record low maximum temperature	8.9 C (48.0 F)	17 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high maximum temperature	21.1 C (70.0 F)	17 of 100 (Routine)
Boorara	Australia	Record daily precipitation	13.7 mm (0.5 in)	16 of 100 (Routine)
Lubeck-Werft	Germany	Record daily precipitation	17.2 mm (0.7 in)	16 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record daily precipitation	21.5 mm (0.8 in)	16 of 100 (Routine)
Sveg	Sweden	Record daily precipitation	9.3 mm (0.37 in)	16 of 100 (Routine)
Plainfield	United States	Record daily precipitation	25.4 mm (1.0 in)	16 of 100 (Routine)
Ringtown	United States	Record daily precipitation	35.6 mm (1.4 in)	16 of 100 (Routine)
Rosalia	United States	Record high minimum temperature	8.9 C (48.0 F)	16 of 100 (Routine)
Havre Wb City	United States	Record high maximum temperature	29.4 C (84.9 F)	16 of 100 (Routine)
Spokane Intl AP	United States	Record high minimum temperature	11.1 C (52.0 F)	16 of 100 (Routine)
Shelbyville 1 E	United States	Record low minimum temperature	-0.6 C (30.9 F)	15 of 100 (Routine)
Austin	United States	Record low maximum temperature	17.8 C (64.0 F)	15 of 100 (Routine)
Hightstown 2 W	United States	Record daily precipitation	22.9 mm (0.9 in)	15 of 100 (Routine)
Granville	United States	Record low maximum temperature	10.6 C (51.1 F)	15 of 100 (Routine)
Harrisburg - Coop	United States	Record low maximum temperature	10.0 C (50.0 F)	15 of 100 (Routine)
Lynchburg - Coop	United States	Record low maximum temperature	10.6 C (51.1 F)	15 of 100 (Routine)
Helena Wb City	United States	Record high maximum temperature	25.6 C (78.1 F)	15 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily precipitation	24.9 mm (1.0 in)	15 of 100 (Routine)
Bird Rocks	Canada	Record high minimum temperature	10.0 C (50.0 F)	14 of 100 (Routine)
Umzimkulu (Tnk)	South Africa	Record daily precipitation	11.9 mm (0.5 in)	14 of 100 (Routine)
Valley Head	United States	Record low minimum temperature	-1.1 C (30.0 F)	14 of 100 (Routine)
Jonesboro 3 SSE	United States	Record low maximum temperature	17.2 C (63.0 F)	14 of 100 (Routine)
Scottsburg	United States	Record low minimum temperature	1.1 C (34.0 F)	14 of 100 (Routine)
Earlington	United States	Record low minimum temperature	2.2 C (36.0 F)	14 of 100 (Routine)
Owensboro 3ENE	United States	Record low minimum temperature	2.8 C (37.0 F)	14 of 100 (Routine)
Darlington	United States	Record low maximum temperature	12.2 C (54.0 F)	14 of 100 (Routine)
Billings Wtp	United States	Record high maximum temperature	30.0 C (86.0 F)	14 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record high maximum temperature	24.4 C (75.9 F)	14 of 100 (Routine)
W Pt	United States	Record low maximum temperature	6.1 C (43.0 F)	14 of 100 (Routine)
Logan Utah St UNIV	United States	Record high minimum temperature	11.1 C (52.0 F)	14 of 100 (Routine)
Quesnel	Canada	Record daily precipitation	4.3 mm (0.17 in)	13 of 100 (Routine)
Frederick Police Brks	United States	Record low maximum temperature	12.8 C (55.0 F)	13 of 100 (Routine)
Kenton	United States	Record low maximum temperature	7.8 C (46.0 F)	13 of 100 (Routine)
Philo 3 SW	United States	Record low maximum temperature	11.7 C (53.1 F)	13 of 100 (Routine)
Murfreesboro 5 N	United States	Record low minimum temperature	4.4 C (39.9 F)	13 of 100 (Routine)
Danevang 1 W	United States	Record low minimum temperature	9.4 C (48.9 F)	13 of 100 (Routine)
Corinne	United States	Record high maximum temperature	26.7 C (80.1 F)	13 of 100 (Routine)
Butte Bert Mooney AP	United States	Record high minimum temperature	10.0 C (50.0 F)	13 of 100 (Routine)
Swift Current	Canada	Record high maximum temperature	27.2 C (81.0 F)	12 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record high maximum temperature	24.4 C (75.9 F)	12 of 100 (Routine)

Counts by Type and Timescale

163 records

Records set or tied on 17 October 1927 by type: Highest daily maximum 38, Lowest daily maximum 43, Highest daily minimum 18, Lowest daily minimum 32, Heaviest daily rainfall 32.

Records on 17 October 1927 by type
Record type	Records
Highest daily maximum	38
Lowest daily maximum	43
Highest daily minimum	18
Lowest daily minimum	32
Heaviest daily rainfall	32
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 October 1927 by timescale: all-time 0, monthly 0, daily 163.

How Much Records Were Beaten By

120 broken records

Margins by which the 120 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 28.4. Ties are not counted.

Top 20 by Significance

17 October 1927

Top 20 records on 17 October 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 October 1927	Brocken, DE	daily rain	26.1 mm (1.0 in)	15.8 mm (0.6 in)	24 years	31 of 100 (Routine)
17 October 1927	Atlantic City Marina, US	daily rain	46.7 mm (1.8 in)	28.4 mm (1.1 in)	24 years	30 of 100 (Routine)
17 October 1927	Athens, US	daily low min	1.1 C (34.0 F)	4.5 C (8.1 F)	35 years	25 of 100 (Routine)
17 October 1927	Prince Albert, CA	daily high max	27.8 C (82.0 F)	7.8 C (14.0 F)	25 years	22 of 100 (Routine)
17 October 1927	Harrisburg - Coop, US	daily rain	26.4 mm (1.0 in)	11.9 mm (0.5 in)	24 years	22 of 100 (Routine)
17 October 1927	Port Jervis, US	daily rain	36.3 mm (1.4 in)	9.4 mm (0.37 in)	36 years	21 of 100 (Routine)
17 October 1927	Visby_Flygplats, SE	daily rain	24.9 mm (1.0 in)	13.8 mm (0.5 in)	43 years	20 of 100 (Routine)
17 October 1927	Kalmar_D, SE	daily rain	15.9 mm (0.6 in)	3.4 mm (0.13 in)	43 years	20 of 100 (Routine)
17 October 1927	Kursk, RU	daily rain	24.2 mm (1.0 in)	10.5 mm (0.4 in)	2 years	20 of 100 (Routine)
17 October 1927	Euston Station, AU	daily rain	9.7 mm (0.38 in)	4.6 mm (0.18 in)	34 years	20 of 100 (Routine)
17 October 1927	Marengo, US	daily low min	-4.4 C (24.1 F)	5.5 C (9.9 F)	26 years	20 of 100 (Routine)
17 October 1927	Gyzylarbat, TM	daily rain	9.8 mm (0.39 in)	5.7 mm (0.22 in)	16 years	18 of 100 (Routine)
17 October 1927	Port Townsend, US	daily high max	18.3 C (64.9 F)	1.6 C (2.9 F)	35 years	18 of 100 (Routine)
17 October 1927	Asheville, US	daily low max	12.2 C (54.0 F)	3.4 C (6.1 F)	24 years	18 of 100 (Routine)
17 October 1927	Mount McDonald, AU	daily rain	25.9 mm (1.0 in)	15.2 mm (0.6 in)	1 year	17 of 100 (Routine)
17 October 1927	Ekaterinburg, RU	daily rain	7.5 mm (0.30 in)	1.0 mm (0.04 in)	35 years	17 of 100 (Routine)
17 October 1927	Olands Norra Udde, SE	daily rain	8.9 mm (0.35 in)	0.3 mm (0.01 in)	44 years	17 of 100 (Routine)
17 October 1927	Richmond, US	daily low min	1.1 C (34.0 F)	2.8 C (5.0 F)	31 years	17 of 100 (Routine)
17 October 1927	Chinook, US	daily high max	29.4 C (84.9 F)	6.6 C (11.9 F)	16 years	17 of 100 (Routine)
17 October 1927	State College, US	daily low max	8.9 C (48.0 F)	0.5 C (0.9 F)	43 years	17 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

1793 to 1927

Records set or tied on this calendar date in each year from 1793 to 1927. 1927 had 163 records.

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

Records on 10-17 in each year
Year	Records
1793	1
1796	2
1808	2
1810	1
1811	1
1817	1
1820	1
1830	1
1836	1
1844	1
1845	1
1868	1
1869	2
1870	1
1872	1
1874	1
1875	1
1876	3
1877	1
1878	1
1879	7
1881	1
1882	1
1883	1
1884	2
1885	2
1886	1
1889	1
1890	3
1891	2
1892	6
1893	5
1894	2
1895	1
1897	3
1898	6
1899	3
1900	3
1901	3
1902	4
1903	9
1904	17
1905	12
1906	3
1907	16
1908	46
1909	18
1910	13
1911	24
1912	12
1913	26
1914	72
1915	7
1916	81
1917	29
1918	20
1919	34
1920	82
1921	64
1922	60
1923	149
1924	81
1925	324
1926	153
1927	163
1928	530
1929	119
1930	441
1931	431
1932	345
1933	190
1934	262
1935	337
1936	338
1937	865
1938	710
1939	424
1940	580
1941	194
1942	349
1943	1,173
1944	415
1945	289
1946	437
1947	744
1948	724
1949	442
1950	809
1951	274
1952	474
1953	463
1954	579
1955	562
1956	353
1957	245
1958	415
1959	403
1960	432
1961	525
1962	350
1963	513
1964	492
1965	920
1966	551
1967	576
1968	929
1969	714
1970	815
1971	1,053
1972	866
1973	542
1974	1,055
1975	605
1976	1,381
1977	1,060
1978	583
1979	468
1980	1,366
1981	555
1982	575
1983	526
1984	1,551
1985	585
1986	354
1987	828
1988	827
1989	1,163
1990	1,109
1991	1,352
1992	1,384
1993	1,001
1994	1,306
1995	1,076
1996	987
1997	1,114
1998	1,455
1999	815
2000	461
2001	878
2002	992
2003	764
2004	935
2005	643
2006	1,506
2007	690
2008	467
2009	1,606
2010	625
2011	734
2012	550
2013	516
2014	530
2015	843
2016	1,559
2017	743
2018	1,163
2019	504
2020	889
2021	294
2022	964
2023	544
2024	994
2025	363

Download the Data

Data for records on 1927-10-17: 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 5	104
5 to 10	9
10 to 15	4
15 to 20	2
20 to 25	0
25 to 30	1