Weather Records on 17 August 1996

752 weather records were set or tied worldwide on 17 August 1996. Highest significance: Horton, US.

Key Facts for 17 August 1996

On 17 August 1996, 752 weather records were set or tied at long-record stations worldwide.
259 were record highs and 284 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 17 monthly and 732 daily.
Horton set a daily record precipitation of 109.2 mm (4.3 in) on 17 August 1996.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 472 records.

Record Map

752 stations

752 station records on 17 August 1996 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1996: highest significance records shown on the map
Station	Country	Type	Value	Significance
Horton	United States	Record daily precipitation	109.2 mm (4.3 in)	74 of 100 (Major)
Ottawa	United States	Record daily precipitation	130.0 mm (5.1 in)	68 of 100 (Major)
Ft Scott	United States	Record daily precipitation	76.5 mm (3.0 in)	54 of 100 (Notable)
Telchaquillo	Mexico	Record high minimum temperature	30.0 C (86.0 F)	52 of 100 (Notable)
Garnett 1 E	United States	Record daily precipitation	174.5 mm (6.9 in)	51 of 100 (Notable)
Iasi	Romania	Record daily precipitation	65.0 mm (2.6 in)	50 of 100 (Notable)
Tlacualera	Mexico	Record daily precipitation	74.9 mm (2.9 in)	49 of 100 (Notable)
Rossville	United States	Record daily precipitation	84.1 mm (3.3 in)	48 of 100 (Notable)
Esperantina (Boa Esperanca)	Brazil	Record daily precipitation	54.7 mm (2.2 in)	47 of 100 (Notable)
Moran	United States	Record daily precipitation	76.7 mm (3.0 in)	47 of 100 (Notable)
Granville Harbour	Australia	Record daily precipitation	46.2 mm (1.8 in)	46 of 100 (Notable)
Windsor	United States	Record low maximum temperature	21.7 C (71.1 F)	46 of 100 (Notable)
San Felipe	Mexico	Record daily precipitation	99.8 mm (3.9 in)	45 of 100 (Notable)
Plan de Ayala	Mexico	Record low minimum temperature	10.0 C (50.0 F)	45 of 100 (Notable)
Columbus	United States	Record daily precipitation	81.5 mm (3.2 in)	45 of 100 (Notable)
Conception	United States	Record daily precipitation	68.6 mm (2.7 in)	45 of 100 (Notable)
Calkini (Smn)	Mexico	Record low minimum temperature	12.8 C (55.0 F)	44 of 100 (Notable)
Dudinka	Russia	Record low minimum temperature	-2.5 C (27.5 F)	44 of 100 (Notable)
Mattoon	United States	Record daily precipitation	27.7 mm (1.1 in)	44 of 100 (Notable)
Dunlap 2 N	United States	Record daily precipitation	58.2 mm (2.3 in)	44 of 100 (Notable)
Lecompton	United States	Record daily precipitation	75.4 mm (3.0 in)	43 of 100 (Notable)
Tecumseh 1S	United States	Record low maximum temperature	20.6 C (69.1 F)	43 of 100 (Notable)
Durham	United Kingdom	Record high maximum temperature	29.0 C (84.2 F)	42 of 100 (Notable)
Heyuan	China	Record daily precipitation	123.1 mm (4.8 in)	41 of 100 (Notable)
Ferron	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Sheffield	United Kingdom	Record high maximum temperature	30.4 C (86.7 F)	40 of 100 (Notable)
Rico	United States	Record high maximum temperature	28.3 C (82.9 F)	40 of 100 (Notable)
Elmo 1 SW	United States	Record daily precipitation	64.5 mm (2.5 in)	40 of 100 (Notable)
Lebo	United States	Record daily precipitation	49.5 mm (1.9 in)	40 of 100 (Notable)
Maryville 2E	United States	Record low maximum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record low maximum temperature	28.3 C (82.9 F)	39 of 100 (Notable)
Bradfordsville	United States	Record daily precipitation	49.5 mm (1.9 in)	39 of 100 (Notable)
Capuluaque (Cfe)	Mexico	Record daily precipitation	45.0 mm (1.8 in)	38 of 100 (Notable)
Deland 1 SSE	United States	Record low maximum temperature	29.4 C (84.9 F)	38 of 100 (Notable)
Ashland #2	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Falls City Brenner Fld	United States	Record daily precipitation	66.3 mm (2.6 in)	38 of 100 (Notable)
Pomona Lake	United States	Record daily precipitation	66.0 mm (2.6 in)	37 of 100 (Notable)
Guajataca Dam	Puerto Rico [United States]	Record daily precipitation	62.2 mm (2.4 in)	36 of 100 (Notable)
Hermit 8 SE	United States	Record high maximum temperature	35.0 C (95.0 F)	36 of 100 (Notable)
Sidney 1SSE	United States	Record daily precipitation	65.3 mm (2.6 in)	36 of 100 (Notable)
Valley View	United States	Record daily precipitation	49.5 mm (1.9 in)	36 of 100 (Notable)
Zoquitlan	Mexico	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Bratsk	Russia	Record daily precipitation	27.8 mm (1.1 in)	35 of 100 (Notable)
Hull	United Kingdom	Record high maximum temperature	30.3 C (86.5 F)	35 of 100 (Notable)
Navojoa	Mexico	Record low minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Miercurea Ciuc	Romania	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
White Hall 1 E	United States	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Auburn	United States	Record daily precipitation	49.8 mm (2.0 in)	34 of 100 (Routine)
Neosho Rapids	United States	Record daily precipitation	54.4 mm (2.1 in)	34 of 100 (Routine)
Grant City	United States	Record low maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Hachita 1W	United States	Record high maximum temperature	37.8 C (100.0 F)	34 of 100 (Routine)
Falls City Brenner Fld	United States	Record low maximum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Yurecuaro	Mexico	Record low minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Turkmen-Bashi	Turkmenistan	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Bradford	United Kingdom	Record high maximum temperature	29.1 C (84.4 F)	33 of 100 (Routine)
Blockton 1W	United States	Record daily precipitation	43.7 mm (1.7 in)	33 of 100 (Routine)
Stephenville Clark Fld	United States	Record daily precipitation	46.2 mm (1.8 in)	33 of 100 (Routine)
Atlatlahuacan	Mexico	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
San Juan Bautista Cuicatlan (	Mexico	Record low maximum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Florence	United States	Record daily precipitation	48.3 mm (1.9 in)	32 of 100 (Routine)

Counts by Type and Timescale

752 records

Records set or tied on 17 August 1996 by type: Highest daily maximum 146, Lowest daily maximum 131, Highest daily minimum 113, Lowest daily minimum 153, Heaviest daily rainfall 209.

Records on 17 August 1996 by type
Record type	Records
Highest daily maximum	146
Lowest daily maximum	131
Highest daily minimum	113
Lowest daily minimum	153
Heaviest daily rainfall	209
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1996 by timescale: all-time 3, monthly 17, daily 732.

How Much Records Were Beaten By

552 broken records

Margins by which the 552 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.8. Ties are not counted.

Top 20 by Significance

17 August 1996

Top 20 records on 17 August 1996 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1996	Horton, US	daily rain	109.2 mm (4.3 in)	68.8 mm (2.7 in)	81 years	74 of 100 (Major)
17 August 1996	Ottawa, US	daily rain	130.0 mm (5.1 in)	59.4 mm (2.3 in)	81 years	68 of 100 (Major)
17 August 1996	Ft Scott, US	daily rain	76.5 mm (3.0 in)	45.5 mm (1.8 in)	57 years	54 of 100 (Notable)
17 August 1996	Telchaquillo, MX	daily high min	30.0 C (86.0 F)	6.1 C (11.0 F)	41 years	52 of 100 (Notable)
17 August 1996	Garnett 1 E, US	all-time rain	174.5 mm (6.9 in)	4.8 mm (0.19 in)	67 years	51 of 100 (Notable)
17 August 1996	Iasi, RO	daily rain	65.0 mm (2.6 in)	54.3 mm (2.1 in)	23 years	50 of 100 (Notable)
17 August 1996	Tlacualera, MX	daily rain	74.9 mm (2.9 in)	43.9 mm (1.7 in)	20 years	49 of 100 (Notable)
17 August 1996	Rossville, US	daily rain	84.1 mm (3.3 in)	60.5 mm (2.4 in)	38 years	48 of 100 (Notable)
17 August 1996	Esperantina (Boa Esperanca), BR	monthly rain	54.7 mm (2.2 in)	18.3 mm (0.7 in)	16 years	47 of 100 (Notable)
17 August 1996	Moran, US	daily rain	76.7 mm (3.0 in)	15.7 mm (0.6 in)	97 years	47 of 100 (Notable)
17 August 1996	Granville Harbour, AU	daily rain	46.2 mm (1.8 in)	27.0 mm (1.1 in)	4 years	46 of 100 (Notable)
17 August 1996	Windsor, US	daily low max	21.7 C (71.1 F)	2.7 C (4.9 F)	99 years	46 of 100 (Notable)
17 August 1996	San Felipe, MX	daily rain	99.8 mm (3.9 in)	65.0 mm (2.6 in)	40 years	45 of 100 (Notable)
17 August 1996	Plan de Ayala, MX	monthly low min	10.0 C (50.0 F)	3.3 C (5.9 F)	34 years	45 of 100 (Notable)
17 August 1996	Columbus, US	daily rain	81.5 mm (3.2 in)	10.1 mm (0.4 in)	97 years	45 of 100 (Notable)
17 August 1996	Conception, US	daily rain	68.6 mm (2.7 in)	24.1 mm (0.9 in)	71 years	45 of 100 (Notable)
17 August 1996	Calkini (Smn), MX	daily low min	12.8 C (55.0 F)	5.5 C (9.9 F)	34 years	44 of 100 (Notable)
17 August 1996	Dudinka, RU	monthly low min	-2.5 C (27.5 F)	0.3 C (0.5 F)	84 years	44 of 100 (Notable)
17 August 1996	Mattoon, US	daily rain	27.7 mm (1.1 in)	10.4 mm (0.4 in)	92 years	44 of 100 (Notable)
17 August 1996	Dunlap 2 N, US	daily rain	58.2 mm (2.3 in)	43.5 mm (1.7 in)	31 years	44 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

1797 to 1996

Records set or tied on this calendar date in each year from 1797 to 1996. 1996 had 752 records.

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

Records on 08-17 in each year
Year	Records
1797	2
1802	2
1820	2
1837	1
1838	2
1841	2
1842	1
1845	2
1853	1
1854	1
1856	1
1857	1
1861	3
1862	1
1867	1
1868	3
1869	1
1872	1
1875	2
1876	5
1879	1
1881	1
1882	1
1883	2
1885	3
1886	1
1888	5
1891	1
1892	3
1893	2
1894	3
1895	2
1896	3
1897	1
1898	5
1899	8
1900	3
1901	14
1902	7
1903	6
1904	2
1905	11
1906	28
1907	9
1908	26
1909	24
1910	17
1911	18
1912	31
1913	79
1914	41
1915	28
1916	33
1917	35
1918	112
1919	37
1920	110
1921	37
1922	169
1923	161
1924	171
1925	130
1926	182
1927	228
1928	131
1929	243
1930	138
1931	302
1932	360
1933	260
1934	377
1935	437
1936	670
1937	726
1938	466
1939	364
1940	341
1941	378
1942	461
1943	743
1944	531
1945	387
1946	433
1947	682
1948	475
1949	371
1950	522
1951	413
1952	470
1953	345
1954	685
1955	465
1956	407
1957	504
1958	519
1959	543
1960	533
1961	998
1962	445
1963	650
1964	410
1965	641
1966	496
1967	679
1968	953
1969	593
1970	467
1971	447
1972	1,044
1973	750
1974	582
1975	612
1976	797
1977	1,216
1978	814
1979	1,464
1980	895
1981	1,112
1982	554
1983	1,574
1984	726
1985	948
1986	916
1987	1,150
1988	1,608
1989	687
1990	949
1991	560
1992	1,813
1993	803
1994	1,038
1995	1,724
1996	752
1997	1,544
1998	1,003
1999	697
2000	994
2001	1,101
2002	1,266
2003	948
2004	1,046
2005	722
2006	814
2007	1,646
2008	1,301
2009	922
2010	1,105
2011	956
2012	1,215
2013	802
2014	997
2015	890
2016	748
2017	544
2018	518
2019	467
2020	1,529
2021	800
2022	1,428
2023	1,032
2024	740
2025	538
2026	535

Download the Data

Data for records on 1996-08-17: 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 10	486
10 to 20	28
20 to 30	18
30 to 40	7
40 to 50	7
50 to 60	2
60 to 70	4