Weather Records on 17 May 1976

426 weather records were set or tied worldwide on 17 May 1976. Highest significance: Bairro Alto, BR.

Key Facts for 17 May 1976

On 17 May 1976, 426 weather records were set or tied at long-record stations worldwide.
132 were record highs and 125 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 422 daily.
Bairro Alto set a daily record precipitation of 62.1 mm (2.4 in) on 17 May 1976.
Across 167 earlier years (1802 to 2026) the same calendar date averaged 434 records.

Record Map

426 stations

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

Weather records on 17 May 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bairro Alto	Brazil	Record daily precipitation	62.1 mm (2.4 in)	49 of 100 (Notable)
Buynaksk	Russia	Record daily precipitation	47.5 mm (1.9 in)	48 of 100 (Notable)
Addison	United States	Record daily precipitation	50.8 mm (2.0 in)	47 of 100 (Notable)
Barkerville	Canada	Record daily snowfall	16.5 cm (6.5 in)	44 of 100 (Notable)
Tastyp	Russia	Record daily precipitation	42.6 mm (1.7 in)	44 of 100 (Notable)
Mariyna Gorka	Belarus	Record daily precipitation	28.5 mm (1.1 in)	43 of 100 (Notable)
Prinshof	South Africa	Record daily precipitation	29.0 mm (1.1 in)	43 of 100 (Notable)
Decorah	United States	Record daily precipitation	33.5 mm (1.3 in)	43 of 100 (Notable)
North Bay A	Canada	Record daily precipitation	38.6 mm (1.5 in)	40 of 100 (Notable)
Dunderlandsdalen	Norway	Record snow depth	122.0 cm (48.0 in)	37 of 100 (Notable)
Ermakovskoe	Russia	Record daily precipitation	34.1 mm (1.3 in)	37 of 100 (Notable)
Abidjan	Cote D'Ivoire	Record daily precipitation	153.6 mm (6.0 in)	36 of 100 (Notable)
Wellsboro 4 SW	United States	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Corvallis State UNIV	United States	Record low minimum temperature	1.1 C (34.0 F)	35 of 100 (Notable)
San Rafael-Civic Ctr	United States	Record low minimum temperature	1.7 C (35.1 F)	34 of 100 (Routine)
Bairro Represa	Brazil	Record daily precipitation	48.1 mm (1.9 in)	33 of 100 (Routine)
Rancharia (Mc Fadden)	Brazil	Record daily precipitation	49.5 mm (1.9 in)	32 of 100 (Routine)
Brockville	Canada	Record high minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Ojinaga (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Cortland	United States	Record high minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Greenville	United States	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Earlton A	Canada	Record daily precipitation	25.7 mm (1.0 in)	31 of 100 (Routine)
Ionia 2SSW	United States	Record daily precipitation	26.7 mm (1.1 in)	30 of 100 (Routine)
Hamilton	United States	Record high minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Elizabethtown	United States	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
Cedar Run (River)	United States	Record daily precipitation	26.7 mm (1.1 in)	30 of 100 (Routine)
Healy	United States	Record low minimum temperature	-0.6 C (30.9 F)	29 of 100 (Routine)
Presidio	United States	Record daily precipitation	32.8 mm (1.3 in)	29 of 100 (Routine)
Hampshire (Neena Road)	Australia	Record daily precipitation	37.0 mm (1.5 in)	27 of 100 (Routine)
Holly	United States	Record low minimum temperature	0.0 C (32.0 F)	27 of 100 (Routine)
College Park	United States	Record daily precipitation	26.2 mm (1.0 in)	27 of 100 (Routine)
Babinda Post Office	Australia	Record daily precipitation	70.0 mm (2.8 in)	26 of 100 (Routine)
Churumuco (Cfe)	Mexico	Record low maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
Birni N'Konni	Niger	Record daily precipitation	25.8 mm (1.0 in)	26 of 100 (Routine)
Eureka	United States	Record high minimum temperature	12.8 C (55.0 F)	26 of 100 (Routine)
Lagrange	United States	Record daily precipitation	48.3 mm (1.9 in)	25 of 100 (Routine)
Holter Dam	United States	Record high minimum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Cottonwood 2 E	United States	Record low minimum temperature	-1.7 C (28.9 F)	25 of 100 (Routine)
Kjobli I Snaasa	Norway	Record snow depth	26.0 cm (10.2 in)	24 of 100 (Routine)
Enisejsk	Russia	Record low maximum temperature	4.6 C (40.3 F)	24 of 100 (Routine)
Uppsala_Aut	Sweden	Record high minimum temperature	12.9 C (55.2 F)	24 of 100 (Routine)
Yuma Citrus STN	United States	Record high minimum temperature	21.7 C (71.1 F)	24 of 100 (Routine)
Hanover	United States	Record daily precipitation	25.7 mm (1.0 in)	24 of 100 (Routine)
Fazenda Aterradinho	Brazil	Record daily precipitation	34.6 mm (1.4 in)	23 of 100 (Routine)
St Tite	Canada	Record high minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Brome	Canada	Record high minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Sorel	Canada	Record high minimum temperature	16.1 C (61.0 F)	23 of 100 (Routine)
Matias Romero (Smn)	Mexico	Record high minimum temperature	25.0 C (77.0 F)	23 of 100 (Routine)
Princess Anne	United States	Record high minimum temperature	20.6 C (69.1 F)	23 of 100 (Routine)
Meanook	Canada	Record high minimum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Ixhuatlan del Cafe	Mexico	Record daily precipitation	110.5 mm (4.4 in)	22 of 100 (Routine)
Ogallala	United States	Record low minimum temperature	-1.1 C (30.0 F)	22 of 100 (Routine)
Bradford 4SW Rsch 5	United States	Record daily precipitation	31.8 mm (1.3 in)	22 of 100 (Routine)
Stephenville Clark Fld	United States	Record low minimum temperature	11.1 C (52.0 F)	22 of 100 (Routine)
Wales	United States	Record high maximum temperature	6.7 C (44.1 F)	22 of 100 (Routine)
Nicolet	Canada	Record high minimum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Cuatro Cienegas (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	21 of 100 (Routine)
Huichapan	Mexico	Record daily precipitation	36.3 mm (1.4 in)	21 of 100 (Routine)
Teziutlan	Mexico	Record low maximum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Vandalia	United States	Record daily precipitation	44.5 mm (1.8 in)	21 of 100 (Routine)

Counts by Type and Timescale

426 records

Records set or tied on 17 May 1976 by type: Highest daily maximum 22, Lowest daily maximum 56, Highest daily minimum 110, Lowest daily minimum 69, Heaviest daily rainfall 165, Heaviest daily snowfall 2, Deepest snow cover 2.

Records on 17 May 1976 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	56
Highest daily minimum	110
Lowest daily minimum	69
Heaviest daily rainfall	165
Heaviest daily snowfall	2
Deepest snow cover	2

Records on 17 May 1976 by timescale: all-time 0, monthly 4, daily 422.

How Much Records Were Beaten By

333 broken records

Margins by which the 333 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 290.0. Ties are not counted.

Top 20 by Significance

17 May 1976

Top 20 records on 17 May 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 May 1976	Bairro Alto, BR	daily rain	62.1 mm (2.4 in)	40.6 mm (1.6 in)	21 years	49 of 100 (Notable)
17 May 1976	Buynaksk, RU	monthly rain	47.5 mm (1.9 in)	15.6 mm (0.6 in)	26 years	48 of 100 (Notable)
17 May 1976	Addison, US	daily rain	50.8 mm (2.0 in)	18.3 mm (0.7 in)	60 years	47 of 100 (Notable)
17 May 1976	Barkerville, CA	daily snowfall	16.5 cm (6.5 in)	7.4 cm (2.9 in)	66 years	44 of 100 (Notable)
17 May 1976	Tastyp, RU	daily rain	42.6 mm (1.7 in)	31.0 mm (1.2 in)	3 years	44 of 100 (Notable)
17 May 1976	Mariyna Gorka, BY	daily rain	28.5 mm (1.1 in)	9.2 mm (0.36 in)	66 years	43 of 100 (Notable)
17 May 1976	Prinshof, ZA	daily rain	29.0 mm (1.1 in)	23.2 mm (0.9 in)	30 years	43 of 100 (Notable)
17 May 1976	Decorah, US	daily rain	33.5 mm (1.3 in)	17.0 mm (0.7 in)	73 years	43 of 100 (Notable)
17 May 1976	North Bay A, CA	daily rain	38.6 mm (1.5 in)	26.2 mm (1.0 in)	7 years	40 of 100 (Notable)
17 May 1976	Dunderlandsdalen, NO	daily snow depth	122.0 cm (48.0 in)	29.0 cm (11.4 in)	71 years	37 of 100 (Notable)
17 May 1976	Ermakovskoe, RU	daily rain	34.1 mm (1.3 in)	15.5 mm (0.6 in)	13 years	37 of 100 (Notable)
17 May 1976	Abidjan, CI	daily rain	153.6 mm (6.0 in)	67.4 mm (2.7 in)	19 years	36 of 100 (Notable)
17 May 1976	Wellsboro 4 SW, US	daily rain	47.5 mm (1.9 in)	26.2 mm (1.0 in)	6 years	36 of 100 (Notable)
17 May 1976	Corvallis State UNIV, US	daily low min	1.1 C (34.0 F)	1.1 C (2.0 F)	81 years	35 of 100 (Notable)
17 May 1976	San Rafael-Civic Ctr, US	daily low min	1.7 C (35.1 F)	0.5 C (0.9 F)	81 years	34 of 100 (Routine)
17 May 1976	Bairro Represa, BR	daily rain	48.1 mm (1.9 in)	26.1 mm (1.0 in)	28 years	33 of 100 (Routine)
17 May 1976	Rancharia (Mc Fadden), BR	daily rain	49.5 mm (1.9 in)	36.5 mm (1.4 in)	22 years	32 of 100 (Routine)
17 May 1976	Brockville, CA	daily high min	15.6 C (60.1 F)	2.8 C (5.0 F)	54 years	32 of 100 (Routine)
17 May 1976	Ojinaga (Smn), MX	daily low max	21.7 C (71.1 F)	6.1 C (11.0 F)	47 years	32 of 100 (Routine)
17 May 1976	Cortland, US	daily high min	14.4 C (57.9 F)	1.1 C (2.0 F)	76 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

1802 to 1976

Records set or tied on this calendar date in each year from 1802 to 1976. 1976 had 426 records.

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

Records on 05-17 in each year
Year	Records
1802	2
1803	1
1808	1
1816	1
1834	1
1837	1
1839	1
1847	2
1848	1
1851	1
1853	1
1855	1
1858	1
1859	1
1861	2
1862	2
1863	2
1864	1
1871	2
1872	2
1873	2
1874	4
1877	1
1878	1
1879	2
1880	1
1881	1
1882	2
1883	3
1885	1
1887	1
1888	2
1889	3
1891	8
1892	4
1893	3
1895	8
1896	2
1897	3
1898	6
1899	7
1900	12
1901	2
1902	3
1903	9
1904	12
1905	10
1906	22
1907	10
1908	5
1909	33
1910	16
1911	30
1912	16
1913	24
1914	24
1915	53
1916	49
1917	18
1918	56
1919	35
1920	46
1921	50
1922	30
1923	95
1924	80
1925	326
1926	133
1927	264
1928	127
1929	168
1930	421
1931	201
1932	288
1933	365
1934	373
1935	341
1936	270
1937	183
1938	340
1939	285
1940	338
1941	408
1942	589
1943	855
1944	521
1945	799
1946	586
1947	249
1948	412
1949	544
1950	371
1951	373
1952	777
1953	441
1954	298
1955	570
1956	1,166
1957	469
1958	331
1959	488
1960	402
1961	291
1962	1,325
1963	368
1964	417
1965	462
1966	489
1967	644
1968	564
1969	638
1970	711
1971	723
1972	610
1973	1,016
1974	1,302
1975	365
1976	426
1977	1,078
1978	872
1979	459
1980	768
1981	940
1982	476
1983	1,326
1984	925
1985	561
1986	921
1987	1,054
1988	1,096
1989	1,307
1990	1,135
1991	1,237
1992	1,025
1993	495
1994	858
1995	1,734
1996	1,706
1997	1,619
1998	1,080
1999	795
2000	825
2001	960
2002	964
2003	1,127
2004	769
2005	784
2006	1,522
2007	742
2008	1,309
2009	1,050
2010	880
2011	1,483
2012	711
2013	739
2014	1,062
2015	824
2016	741
2017	1,302
2018	726
2019	686
2020	496
2021	443
2022	479
2023	385
2024	566
2025	928
2026	745

Download the Data

Data for records on 1976-05-17: 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 50	329
50 to 100	2
100 to 150	0
150 to 200	1
200 to 250	0
250 to 300	1