Weather Records on 21 October 2016

734 weather records were set or tied worldwide on 21 October 2016. Highest significance: Mallala, AU.

Key Facts for 21 October 2016

On 21 October 2016, 734 weather records were set or tied at long-record stations worldwide.
381 were record highs and 60 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 712 daily.
Mallala set a daily record precipitation of 44.2 mm (1.7 in) on 21 October 2016.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 418 records.

Record Map

734 stations

734 station records on 21 October 2016 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 2016: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mallala	Australia	Record daily precipitation	44.2 mm (1.7 in)	75 of 100 (Major)
Watertown	United States	Record daily precipitation	67.6 mm (2.7 in)	72 of 100 (Major)
Addison	United States	Record daily precipitation	73.2 mm (2.9 in)	62 of 100 (Major)
Schenley Lock 5	United States	Record daily precipitation	57.2 mm (2.3 in)	60 of 100 (Major)
Ford City 4 S Dam	United States	Record daily precipitation	59.9 mm (2.4 in)	59 of 100 (Notable)
Bradford Rgnl AP	United States	Record daily precipitation	57.4 mm (2.3 in)	59 of 100 (Notable)
Flemingsburg 2 N	United States	Record daily precipitation	53.3 mm (2.1 in)	58 of 100 (Notable)
Putneyville 2 SE Dam	United States	Record daily precipitation	62.2 mm (2.4 in)	58 of 100 (Notable)
Colton 2 N	United States	Record daily precipitation	71.1 mm (2.8 in)	57 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record daily precipitation	87.4 mm (3.4 in)	56 of 100 (Notable)
Moundsville	United States	Record daily precipitation	61.7 mm (2.4 in)	56 of 100 (Notable)
Fulton	United States	Record daily precipitation	71.4 mm (2.8 in)	55 of 100 (Notable)
Waynesburg 1 E	United States	Record daily precipitation	49.8 mm (2.0 in)	55 of 100 (Notable)
Alfred	United States	Record daily precipitation	63.0 mm (2.5 in)	54 of 100 (Notable)
Auburn	United States	Record daily precipitation	77.2 mm (3.0 in)	51 of 100 (Notable)
Malone	United States	Record daily precipitation	78.0 mm (3.1 in)	51 of 100 (Notable)
Butler 2 SW	United States	Record daily precipitation	48.3 mm (1.9 in)	51 of 100 (Notable)
Candor 2SE	United States	Record daily precipitation	72.4 mm (2.9 in)	50 of 100 (Notable)
Freeville 1 NE	United States	Record daily precipitation	84.3 mm (3.3 in)	50 of 100 (Notable)
Owego 3 WSW	United States	Record daily precipitation	74.4 mm (2.9 in)	50 of 100 (Notable)
Waterloo	United States	Record daily precipitation	76.5 mm (3.0 in)	50 of 100 (Notable)
Wellsville	United States	Record daily precipitation	57.7 mm (2.3 in)	50 of 100 (Notable)
Elmira Corning Rgnl AP	United States	Record daily precipitation	50.3 mm (2.0 in)	50 of 100 (Notable)
Clarion 3 SW	United States	Record daily precipitation	47.2 mm (1.9 in)	49 of 100 (Notable)
Port Allegany	United States	Record daily precipitation	52.1 mm (2.1 in)	49 of 100 (Notable)
Baldwinsville	United States	Record daily precipitation	72.4 mm (2.9 in)	48 of 100 (Notable)
Manchester AP	United States	Record daily precipitation	57.2 mm (2.3 in)	48 of 100 (Notable)
Allegany Sp	United States	Record daily precipitation	58.4 mm (2.3 in)	47 of 100 (Notable)
Gouverneur 3 NW	United States	Record daily precipitation	58.7 mm (2.3 in)	47 of 100 (Notable)
Warren 3 S	United States	Record daily precipitation	29.7 mm (1.2 in)	47 of 100 (Notable)
Tellico Plains	United States	Record high maximum temperature	31.7 C (89.1 F)	47 of 100 (Notable)
Dubois Rgnl AP	United States	Record daily precipitation	48.3 mm (1.9 in)	46 of 100 (Notable)
Canton 4 SE	United States	Record daily precipitation	67.8 mm (2.7 in)	46 of 100 (Notable)
Stillwater Rsvr	United States	Record daily precipitation	59.7 mm (2.4 in)	45 of 100 (Notable)
Sines Deep Creek	United States	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Aurora Rsch Farm	United States	Record daily precipitation	74.4 mm (2.9 in)	44 of 100 (Notable)
Cayuga Lock #1	United States	Record daily precipitation	75.7 mm (3.0 in)	44 of 100 (Notable)
Cambridge	United States	Record daily precipitation	49.3 mm (1.9 in)	44 of 100 (Notable)
Everett	United States	Record high minimum temperature	13.3 C (55.9 F)	44 of 100 (Notable)
Warren	United States	Record daily precipitation	42.9 mm (1.7 in)	44 of 100 (Notable)
Nybro-Slattingebygd D	Sweden	Record daily precipitation	32.8 mm (1.3 in)	43 of 100 (Notable)
Beverly Stp	United States	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Glenwillard Dashields L&D	United States	Record daily precipitation	45.7 mm (1.8 in)	43 of 100 (Notable)
Natrona Lock 4	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Renovo	United States	Record high minimum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Staunton Wtp	United States	Record high minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Flemington 5 NNW	United States	Record high minimum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Clyde Lock 26	United States	Record daily precipitation	88.9 mm (3.5 in)	42 of 100 (Notable)
Indian Mills 2 W	United States	Record high minimum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Dansville	United States	Record daily precipitation	71.9 mm (2.8 in)	41 of 100 (Notable)
Hartford Brainard Fld	United States	Record high minimum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Woodbury 1 WNW	United States	Record daily precipitation	57.4 mm (2.3 in)	40 of 100 (Notable)
Grantsville 1ESE	United States	Record daily precipitation	55.9 mm (2.2 in)	40 of 100 (Notable)
Oakland 1 SE	United States	Record high maximum temperature	28.3 C (82.9 F)	39 of 100 (Notable)
Camden	United States	Record daily precipitation	66.5 mm (2.6 in)	39 of 100 (Notable)
Acmetonia Lock 3	United States	Record daily precipitation	37.8 mm (1.5 in)	39 of 100 (Notable)
Wellsboro 4 SW	United States	Record daily precipitation	52.3 mm (2.1 in)	39 of 100 (Notable)
Livingston Radio Wliv	United States	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
Wooroolin Post Office	Australia	Record daily precipitation	51.2 mm (2.0 in)	38 of 100 (Notable)
Steubenville	United States	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)

Counts by Type and Timescale

734 records

Records set or tied on 21 October 2016 by type: Highest daily maximum 179, Lowest daily maximum 34, Highest daily minimum 202, Lowest daily minimum 26, Heaviest daily rainfall 291, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 21 October 2016 by type
Record type	Records
Highest daily maximum	179
Lowest daily maximum	34
Highest daily minimum	202
Lowest daily minimum	26
Heaviest daily rainfall	291
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 21 October 2016 by timescale: all-time 0, monthly 22, daily 712.

How Much Records Were Beaten By

614 broken records

Margins by which the 614 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.9. Ties are not counted.

Top 20 by Significance

21 October 2016

Top 20 records on 21 October 2016 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 2016	Mallala, AU	daily rain	44.2 mm (1.7 in)	31.8 mm (1.3 in)	86 years	75 of 100 (Major)
21 October 2016	Watertown, US	daily rain	67.6 mm (2.7 in)	29.5 mm (1.2 in)	103 years	72 of 100 (Major)
21 October 2016	Addison, US	daily rain	73.2 mm (2.9 in)	41.4 mm (1.6 in)	40 years	62 of 100 (Major)
21 October 2016	Schenley Lock 5, US	daily rain	57.2 mm (2.3 in)	25.7 mm (1.0 in)	72 years	60 of 100 (Major)
21 October 2016	Ford City 4 S Dam, US	daily rain	59.9 mm (2.4 in)	27.9 mm (1.1 in)	72 years	59 of 100 (Notable)
21 October 2016	Bradford Rgnl AP, US	daily rain	57.4 mm (2.3 in)	33.3 mm (1.3 in)	46 years	59 of 100 (Notable)
21 October 2016	Flemingsburg 2 N, US	daily rain	53.3 mm (2.1 in)	35.5 mm (1.4 in)	51 years	58 of 100 (Notable)
21 October 2016	Putneyville 2 SE Dam, US	daily rain	62.2 mm (2.4 in)	28.9 mm (1.1 in)	72 years	58 of 100 (Notable)
21 October 2016	Colton 2 N, US	daily rain	71.1 mm (2.8 in)	32.2 mm (1.3 in)	40 years	57 of 100 (Notable)
21 October 2016	Ithaca Cornell UNIV, US	daily rain	87.4 mm (3.4 in)	51.6 mm (2.0 in)	21 years	56 of 100 (Notable)
21 October 2016	Moundsville, US	monthly rain	61.7 mm (2.4 in)	22.6 mm (0.9 in)	41 years	56 of 100 (Notable)
21 October 2016	Fulton, US	daily rain	71.4 mm (2.8 in)	31.3 mm (1.2 in)	40 years	55 of 100 (Notable)
21 October 2016	Waynesburg 1 E, US	daily rain	49.8 mm (2.0 in)	34.8 mm (1.4 in)	31 years	55 of 100 (Notable)
21 October 2016	Alfred, US	daily rain	63.0 mm (2.5 in)	29.2 mm (1.1 in)	40 years	54 of 100 (Notable)
21 October 2016	Auburn, US	monthly rain	77.2 mm (3.0 in)	1.0 mm (0.04 in)	113 years	51 of 100 (Notable)
21 October 2016	Malone, US	daily rain	78.0 mm (3.1 in)	52.3 mm (2.1 in)	27 years	51 of 100 (Notable)
21 October 2016	Butler 2 SW, US	daily rain	48.3 mm (1.9 in)	26.5 mm (1.0 in)	47 years	51 of 100 (Notable)
21 October 2016	Candor 2SE, US	daily rain	72.4 mm (2.9 in)	38.9 mm (1.5 in)	27 years	50 of 100 (Notable)
21 October 2016	Freeville 1 NE, US	daily rain	84.3 mm (3.3 in)	38.3 mm (1.5 in)	21 years	50 of 100 (Notable)
21 October 2016	Owego 3 WSW, US	daily rain	74.4 mm (2.9 in)	45.7 mm (1.8 in)	27 years	50 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

1795 to 2016

Records set or tied on this calendar date in each year from 1795 to 2016. 2016 had 734 records.

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

Records on 10-21 in each year
Year	Records
1795	1
1802	2
1805	1
1808	1
1810	1
1834	1
1835	1
1840	1
1845	1
1847	1
1850	1
1851	2
1854	1
1859	1
1863	1
1864	1
1866	3
1867	1
1868	3
1869	2
1871	1
1872	1
1873	1
1874	1
1876	4
1877	2
1878	1
1880	3
1881	1
1883	1
1886	1
1888	2
1889	2
1890	3
1891	6
1892	6
1893	1
1894	1
1895	2
1896	5
1898	6
1899	3
1900	2
1901	9
1902	2
1903	3
1904	30
1905	15
1906	11
1907	35
1908	35
1909	19
1910	21
1911	10
1912	18
1913	59
1914	35
1915	43
1916	70
1917	208
1918	18
1919	102
1920	149
1921	58
1922	78
1923	81
1924	389
1925	150
1926	77
1927	187
1928	78
1929	200
1930	492
1931	217
1932	165
1933	733
1934	407
1935	707
1936	407
1937	132
1938	121
1939	491
1940	537
1941	644
1942	258
1943	421
1944	367
1945	538
1946	297
1947	977
1948	266
1949	1,015
1950	438
1951	382
1952	848
1953	1,579
1954	279
1955	481
1956	276
1957	511
1958	322
1959	410
1960	408
1961	553
1962	359
1963	725
1964	457
1965	465
1966	425
1967	472
1968	174
1969	881
1970	548
1971	498
1972	813
1973	464
1974	866
1975	509
1976	1,467
1977	451
1978	616
1979	1,958
1980	378
1981	667
1982	870
1983	786
1984	1,872
1985	776
1986	814
1987	852
1988	696
1989	1,668
1990	807
1991	877
1992	1,095
1993	845
1994	670
1995	1,120
1996	1,581
1997	915
1998	711
1999	688
2000	771
2001	610
2002	1,241
2003	2,066
2004	1,674
2005	949
2006	1,057
2007	916
2008	610
2009	713
2010	710
2011	662
2012	703
2013	440
2014	716
2015	493
2016	734
2017	750
2018	440
2019	757
2020	1,135
2021	574
2022	629
2023	890
2024	1,138
2025	364

Download the Data

Data for records on 2016-10-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 10	509
10 to 20	59
20 to 30	26
30 to 40	13
40 to 50	3
50 to 60	3
60 to 70	0
70 to 80	1