Weather Records on 17 October 1957

245 weather records were set or tied worldwide on 17 October 1957. Highest significance: Nagappattinam, IN.

Key Facts for 17 October 1957

On 17 October 1957, 245 weather records were set or tied at long-record stations worldwide.
48 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 239 daily.
Nagappattinam set a daily record precipitation of 139.7 mm (5.5 in) on 17 October 1957.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 441 records.

Record Map

245 stations

245 station records on 17 October 1957 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 October 1957: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nagappattinam	India	Record daily precipitation	139.7 mm (5.5 in)	52 of 100 (Notable)
Adamshoop	South Africa	Record daily precipitation	39.2 mm (1.5 in)	42 of 100 (Notable)
Idomia	South Africa	Record daily precipitation	37.0 mm (1.5 in)	42 of 100 (Notable)
Wauseon Wtp	United States	Record daily precipitation	36.8 mm (1.4 in)	42 of 100 (Notable)
Napoleon	United States	Record daily precipitation	36.3 mm (1.4 in)	41 of 100 (Notable)
Norvalspont (Pol)	South Africa	Record daily precipitation	31.5 mm (1.2 in)	40 of 100 (Notable)
Hopetown (Tnk)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	40 of 100 (Notable)
Koffiefontein (Pol)	South Africa	Record daily precipitation	57.5 mm (2.3 in)	37 of 100 (Notable)
Kranshoek	South Africa	Record daily precipitation	27.5 mm (1.1 in)	37 of 100 (Notable)
Nelsdrift	South Africa	Record daily precipitation	38.0 mm (1.5 in)	37 of 100 (Notable)
Bowling Green Wwtp	United States	Record daily precipitation	27.7 mm (1.1 in)	37 of 100 (Notable)
Mountain View Birdseye	Canada	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Benfontein	South Africa	Record daily precipitation	51.0 mm (2.0 in)	34 of 100 (Routine)
Wesselsbron (Mun)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	34 of 100 (Routine)
Mt Vernon	United States	Record daily precipitation	54.4 mm (2.1 in)	34 of 100 (Routine)
Montpelier	United States	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Hughenden	South Africa	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Strydenberg (Pol)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	32 of 100 (Routine)
Lichtenburg	South Africa	Record daily precipitation	28.0 mm (1.1 in)	32 of 100 (Routine)
Jhb-Braamfontein (Cem)	South Africa	Record daily precipitation	40.1 mm (1.6 in)	32 of 100 (Routine)
Pontiac Wwtp	United States	Record daily precipitation	36.1 mm (1.4 in)	32 of 100 (Routine)
Montreal River	Canada	Record daily precipitation	32.8 mm (1.3 in)	31 of 100 (Routine)
Howell Wwtp	United States	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Rooipoort	South Africa	Record daily precipitation	26.0 mm (1.0 in)	29 of 100 (Routine)
Jhb-Joubert Park	South Africa	Record daily precipitation	28.0 mm (1.1 in)	29 of 100 (Routine)
Mosita	South Africa	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Babb 6 NE	United States	Record daily precipitation	49.8 mm (2.0 in)	28 of 100 (Routine)
Marungapuri	India	Record daily precipitation	70.6 mm (2.8 in)	27 of 100 (Routine)
Jhb-Vrededorp	South Africa	Record daily precipitation	32.5 mm (1.3 in)	27 of 100 (Routine)
Golconda River	United States	Record daily precipitation	54.4 mm (2.1 in)	27 of 100 (Routine)
Magnetawan	Canada	Record daily precipitation	32.8 mm (1.3 in)	26 of 100 (Routine)
Cambridge City 3 N	United States	Record daily precipitation	49.3 mm (1.9 in)	25 of 100 (Routine)
Monticello	United States	Record daily precipitation	25.4 mm (1.0 in)	25 of 100 (Routine)
Kosciusko	United States	Record daily precipitation	36.1 mm (1.4 in)	25 of 100 (Routine)
Defiance	United States	Record daily precipitation	34.3 mm (1.4 in)	25 of 100 (Routine)
Angola	United States	Record daily precipitation	29.5 mm (1.2 in)	24 of 100 (Routine)
Aberdeen	United States	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
Eupora 2 E	United States	Record daily precipitation	29.7 mm (1.2 in)	24 of 100 (Routine)
Richland	United States	Record low minimum temperature	-6.1 C (21.0 F)	24 of 100 (Routine)
Emerald Post Office	Australia	Record high maximum temperature	40.6 C (105.1 F)	23 of 100 (Routine)
Mountain View Birdseye	Canada	Record daily snowfall	40.6 cm (16.0 in)	23 of 100 (Routine)
Middelplaats	South Africa	Record daily precipitation	30.0 mm (1.2 in)	23 of 100 (Routine)
Santa Rosa	United States	Record daily precipitation	26.9 mm (1.1 in)	23 of 100 (Routine)
Crystal Falls	Canada	Record daily precipitation	25.1 mm (1.0 in)	22 of 100 (Routine)
Pakur	India	Record daily precipitation	87.6 mm (3.4 in)	22 of 100 (Routine)
Vedasandur	India	Record daily precipitation	63.5 mm (2.5 in)	22 of 100 (Routine)
Huatusco de Chicuellar	Mexico	Record high minimum temperature	17.8 C (64.0 F)	22 of 100 (Routine)
Reno Rs	United States	Record low maximum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Barrage Temiscamingue	Canada	Record daily precipitation	31.0 mm (1.2 in)	21 of 100 (Routine)
Namarjan	India	Record daily precipitation	33.8 mm (1.3 in)	21 of 100 (Routine)
Trichur	India	Record daily precipitation	110.5 mm (4.4 in)	21 of 100 (Routine)
Nerchinskij Zavod	Russia	Record low minimum temperature	-13.7 C (7.3 F)	21 of 100 (Routine)
Gunnison 3SW	United States	Record high minimum temperature	3.3 C (37.9 F)	21 of 100 (Routine)
Basberg	South Africa	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Hanover (Pol)	South Africa	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Reno Rs	United States	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Loa	United States	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Aliwal North	South Africa	Record daily precipitation	22.5 mm (0.9 in)	20 of 100 (Routine)
Ellesmere	South Africa	Record daily precipitation	21.5 mm (0.8 in)	20 of 100 (Routine)
Toledo Blade	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

245 records

Records set or tied on 17 October 1957 by type: Highest daily maximum 11, Lowest daily maximum 20, Highest daily minimum 37, Lowest daily minimum 4, Heaviest daily rainfall 172, Heaviest daily snowfall 1.

Records on 17 October 1957 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	20
Highest daily minimum	37
Lowest daily minimum	4
Heaviest daily rainfall	172
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 17 October 1957 by timescale: all-time 0, monthly 6, daily 239.

How Much Records Were Beaten By

223 broken records

Margins by which the 223 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.0. Ties are not counted.

Top 20 by Significance

17 October 1957

Top 20 records on 17 October 1957 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 October 1957	Nagappattinam, IN	daily rain	139.7 mm (5.5 in)	96.0 mm (3.8 in)	40 years	52 of 100 (Notable)
17 October 1957	Adamshoop, ZA	daily rain	39.2 mm (1.5 in)	34.1 mm (1.3 in)	28 years	42 of 100 (Notable)
17 October 1957	Idomia, ZA	daily rain	37.0 mm (1.5 in)	30.6 mm (1.2 in)	38 years	42 of 100 (Notable)
17 October 1957	Wauseon Wtp, US	daily rain	36.8 mm (1.4 in)	17.2 mm (0.7 in)	57 years	42 of 100 (Notable)
17 October 1957	Napoleon, US	daily rain	36.3 mm (1.4 in)	19.8 mm (0.8 in)	57 years	41 of 100 (Notable)
17 October 1957	Norvalspont (Pol), ZA	daily rain	31.5 mm (1.2 in)	31.5 mm (1.2 in)	34 years	40 of 100 (Notable)
17 October 1957	Hopetown (Tnk), ZA	daily rain	25.0 mm (1.0 in)	10.5 mm (0.4 in)	62 years	40 of 100 (Notable)
17 October 1957	Koffiefontein (Pol), ZA	monthly rain	57.5 mm (2.3 in)	2.4 mm (0.09 in)	61 years	37 of 100 (Notable)
17 October 1957	Kranshoek, ZA	daily rain	27.5 mm (1.1 in)	21.4 mm (0.8 in)	38 years	37 of 100 (Notable)
17 October 1957	Nelsdrift, ZA	daily rain	38.0 mm (1.5 in)	25.8 mm (1.0 in)	16 years	37 of 100 (Notable)
17 October 1957	Bowling Green Wwtp, US	daily rain	27.7 mm (1.1 in)	14.7 mm (0.6 in)	57 years	37 of 100 (Notable)
17 October 1957	Mountain View Birdseye, CA	daily rain	40.6 mm (1.6 in)	27.9 mm (1.1 in)	6 years	35 of 100 (Notable)
17 October 1957	Benfontein, ZA	daily rain	51.0 mm (2.0 in)	30.7 mm (1.2 in)	15 years	34 of 100 (Routine)
17 October 1957	Wesselsbron (Mun), ZA	daily rain	34.5 mm (1.4 in)	28.1 mm (1.1 in)	16 years	34 of 100 (Routine)
17 October 1957	Mt Vernon, US	daily rain	54.4 mm (2.1 in)	15.8 mm (0.6 in)	57 years	34 of 100 (Routine)
17 October 1957	Montpelier, US	daily rain	34.3 mm (1.4 in)	11.2 mm (0.4 in)	57 years	33 of 100 (Routine)
17 October 1957	Hughenden, ZA	daily rain	29.0 mm (1.1 in)	22.1 mm (0.9 in)	14 years	32 of 100 (Routine)
17 October 1957	Strydenberg (Pol), ZA	monthly rain	47.0 mm (1.9 in)	9.7 mm (0.38 in)	23 years	32 of 100 (Routine)
17 October 1957	Lichtenburg, ZA	daily rain	28.0 mm (1.1 in)	16.6 mm (0.7 in)	36 years	32 of 100 (Routine)
17 October 1957	Jhb-Braamfontein (Cem), ZA	daily rain	40.1 mm (1.6 in)	10.9 mm (0.4 in)	51 years	32 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 1957

Records set or tied on this calendar date in each year from 1793 to 1957. 1957 had 245 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 1957-10-17: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	204
20 to 40	17
40 to 60	1
60 to 80	0
80 to 100	1