Weather Records on 17 August 1976

797 weather records were set or tied worldwide on 17 August 1976. Highest significance: Oktjabrskij-Gorodok, RU.

Key Facts for 17 August 1976

On 17 August 1976, 797 weather records were set or tied at long-record stations worldwide.
126 were record highs and 509 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 788 daily.
Oktjabrskij-Gorodok set a daily record precipitation of 51.6 mm (2.0 in) on 17 August 1976.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 472 records.

Record Map

797 stations

797 station records on 17 August 1976 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Oktjabrskij-Gorodok	Russia	Record daily precipitation	51.6 mm (2.0 in)	52 of 100 (Notable)
Naples	United States	Record daily precipitation	81.5 mm (3.2 in)	49 of 100 (Notable)
Tecamachalco	Mexico	Record daily precipitation	50.0 mm (2.0 in)	48 of 100 (Notable)
Huetamo	Mexico	Record low maximum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Ukiah	United States	Record low maximum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Hailey 3 NNW	United States	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Apuka	Russia	Record low minimum temperature	-5.0 C (23.0 F)	41 of 100 (Notable)
Fairmont	United States	Record low maximum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Arad	Romania	Record daily precipitation	49.8 mm (2.0 in)	39 of 100 (Notable)
Quincy	United States	Record low maximum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Inverness 3 SE	United States	Record low minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Fallon Exp STN	United States	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Portola	United States	Record low maximum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Morgantown Muni AP	United States	Record low minimum temperature	11.1 C (52.0 F)	38 of 100 (Notable)
Colonia Empleado	Mexico	Record daily precipitation	110.2 mm (4.3 in)	37 of 100 (Notable)
Penza	Russia	Record daily precipitation	42.3 mm (1.7 in)	37 of 100 (Notable)
Greenville 2 NE	United States	Record low minimum temperature	4.4 C (39.9 F)	37 of 100 (Notable)
Hanover	United States	Record low minimum temperature	8.3 C (46.9 F)	37 of 100 (Notable)
Uruapan (Smn)	Mexico	Record daily precipitation	81.8 mm (3.2 in)	36 of 100 (Notable)
Le Grand	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Waycross 4 NE	United States	Record daily precipitation	54.4 mm (2.1 in)	36 of 100 (Notable)
Ridgeland 5 NE	United States	Record daily precipitation	74.4 mm (2.9 in)	36 of 100 (Notable)
Staunton Wtp	United States	Record low minimum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Carson City	United States	Record low maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Bellefontaine	United States	Record low minimum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Philo 3 SW	United States	Record low minimum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Farrell Sharon	United States	Record low minimum temperature	4.4 C (39.9 F)	34 of 100 (Routine)
Hetch Hetchy	United States	Record low maximum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Lakeport	United States	Record low maximum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Cresco 1 NE	United States	Record daily precipitation	64.3 mm (2.5 in)	33 of 100 (Routine)
Sharon Springs	United States	Record high minimum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Carrollton Lock 1	United States	Record low maximum temperature	25.0 C (77.0 F)	33 of 100 (Routine)
Oconomowoc Wwtp	United States	Record low minimum temperature	8.3 C (46.9 F)	33 of 100 (Routine)
Shawano 2SSW	United States	Record low minimum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
San Carlos Rsvr	United States	Record low minimum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Sonora	United States	Record low maximum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Susanville 2SW	United States	Record low maximum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Challis	United States	Record low maximum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Millport 4 NE	United States	Record low minimum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
Montpelier	United States	Record low minimum temperature	5.6 C (42.1 F)	32 of 100 (Routine)
Wauseon Wtp	United States	Record low minimum temperature	5.6 C (42.1 F)	32 of 100 (Routine)
Rantoul	United States	Record low minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Zaragoza (Smn)	Mexico	Record daily precipitation	33.8 mm (1.3 in)	31 of 100 (Routine)
Chico UNIV Farm	United States	Record low maximum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Electra P H	United States	Record low maximum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
New Meadows Rs	United States	Record low maximum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Montevideo 1SW	United States	Record high maximum temperature	36.7 C (98.1 F)	31 of 100 (Routine)
Lahontan Dam	United States	Record low maximum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Badiraguato (Smn)	Mexico	Record low minimum temperature	10.6 C (51.1 F)	30 of 100 (Routine)
Ulan-Ude	Russia	Record low minimum temperature	0.8 C (33.4 F)	30 of 100 (Routine)
Holbrook	United States	Record low maximum temperature	22.2 C (72.0 F)	30 of 100 (Routine)
Cuyamaca	United States	Record low maximum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Friant Government Camp	United States	Record low maximum temperature	27.2 C (81.0 F)	30 of 100 (Routine)
Merced	United States	Record low maximum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Visalia	United States	Record low maximum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Antioch	United States	Record low minimum temperature	7.2 C (45.0 F)	30 of 100 (Routine)
Marengo	United States	Record low minimum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
Milan 1NW	United States	Record high maximum temperature	38.9 C (102.0 F)	30 of 100 (Routine)
Corvallis State UNIV	United States	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Chietla	Mexico	Record daily precipitation	45.5 mm (1.8 in)	29 of 100 (Routine)

Counts by Type and Timescale

797 records

Records set or tied on 17 August 1976 by type: Highest daily maximum 62, Lowest daily maximum 265, Highest daily minimum 64, Lowest daily minimum 244, Heaviest daily rainfall 162.

Records on 17 August 1976 by type
Record type	Records
Highest daily maximum	62
Lowest daily maximum	265
Highest daily minimum	64
Lowest daily minimum	244
Heaviest daily rainfall	162
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1976 by timescale: all-time 0, monthly 9, daily 788.

How Much Records Were Beaten By

600 broken records

Margins by which the 600 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.1. Ties are not counted.

Top 20 by Significance

17 August 1976

Top 20 records on 17 August 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1976	Oktjabrskij-Gorodok, RU	daily rain	51.6 mm (2.0 in)	36.2 mm (1.4 in)	13 years	52 of 100 (Notable)
17 August 1976	Naples, US	daily rain	81.5 mm (3.2 in)	58.1 mm (2.3 in)	27 years	49 of 100 (Notable)
17 August 1976	Tecamachalco, MX	daily rain	50.0 mm (2.0 in)	41.6 mm (1.6 in)	17 years	48 of 100 (Notable)
17 August 1976	Huetamo, MX	daily low max	25.0 C (77.0 F)	5.6 C (10.1 F)	53 years	44 of 100 (Notable)
17 August 1976	Ukiah, US	monthly low max	17.8 C (64.0 F)	0.5 C (0.9 F)	80 years	43 of 100 (Notable)
17 August 1976	Hailey 3 NNW, US	daily low max	15.6 C (60.1 F)	5.5 C (9.9 F)	64 years	42 of 100 (Notable)
17 August 1976	Apuka, RU	monthly low min	-5.0 C (23.0 F)	4.6 C (8.3 F)	32 years	41 of 100 (Notable)
17 August 1976	Fairmont, US	daily low max	21.1 C (70.0 F)	5.6 C (10.1 F)	64 years	40 of 100 (Notable)
17 August 1976	Arad, RO	daily rain	49.8 mm (2.0 in)	23.8 mm (0.9 in)	1 year	39 of 100 (Notable)
17 August 1976	Quincy, US	daily low max	15.6 C (60.1 F)	3.3 C (5.9 F)	76 years	39 of 100 (Notable)
17 August 1976	Inverness 3 SE, US	daily low min	19.4 C (66.9 F)	1.2 C (2.2 F)	75 years	39 of 100 (Notable)
17 August 1976	Fallon Exp STN, US	daily low max	18.9 C (66.0 F)	5.0 C (9.0 F)	58 years	39 of 100 (Notable)
17 August 1976	Portola, US	daily low max	14.4 C (57.9 F)	5.6 C (10.1 F)	60 years	38 of 100 (Notable)
17 August 1976	Morgantown Muni AP, US	daily low min	11.1 C (52.0 F)	0.3 C (0.5 F)	94 years	38 of 100 (Notable)
17 August 1976	Colonia Empleado, MX	monthly rain	110.2 mm (4.3 in)	27.4 mm (1.1 in)	9 years	37 of 100 (Notable)
17 August 1976	Penza, RU	daily rain	42.3 mm (1.7 in)	16.2 mm (0.6 in)	33 years	37 of 100 (Notable)
17 August 1976	Greenville 2 NE, US	daily low min	4.4 C (39.9 F)	2.3 C (4.1 F)	81 years	37 of 100 (Notable)
17 August 1976	Hanover, US	daily low min	8.3 C (46.9 F)	3.4 C (6.1 F)	71 years	37 of 100 (Notable)
17 August 1976	Uruapan (Smn), MX	daily rain	81.8 mm (3.2 in)	40.9 mm (1.6 in)	15 years	36 of 100 (Notable)
17 August 1976	Le Grand, US	daily low max	23.9 C (75.0 F)	2.2 C (4.0 F)	76 years	36 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 1976

Records set or tied on this calendar date in each year from 1797 to 1976. 1976 had 797 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 1976-08-17: 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	561
10 to 20	20
20 to 30	13
30 to 40	1
40 to 50	3
50 to 60	2