Weather Records on 17 May 1966

489 weather records were set or tied worldwide on 17 May 1966. Highest significance: Talbotton, US.

Key Facts for 17 May 1966

On 17 May 1966, 489 weather records were set or tied at long-record stations worldwide.
260 were record highs and 129 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 481 daily.
Talbotton set a daily record precipitation of 92.7 mm (3.6 in) on 17 May 1966.
Across 167 earlier years (1802 to 2026) the same calendar date averaged 434 records.

Record Map

489 stations

489 station records on 17 May 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 May 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Talbotton	United States	Record daily precipitation	92.7 mm (3.6 in)	66 of 100 (Major)
W Pt	United States	Record daily precipitation	82.6 mm (3.3 in)	51 of 100 (Notable)
Mattoon	United States	Record daily precipitation	57.2 mm (2.3 in)	50 of 100 (Notable)
Knoxville	United States	Record daily precipitation	56.6 mm (2.2 in)	44 of 100 (Notable)
Grinnell 3 SW	United States	Record daily precipitation	48.8 mm (1.9 in)	42 of 100 (Notable)
Adairsville	United States	Record daily precipitation	42.4 mm (1.7 in)	40 of 100 (Notable)
Goat Rock	United States	Record daily precipitation	42.4 mm (1.7 in)	37 of 100 (Notable)
Ballinger 2 NW	United States	Record high minimum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Jonkoping	Sweden	Record high maximum temperature	23.4 C (74.1 F)	36 of 100 (Notable)
Brady	United States	Record high maximum temperature	38.3 C (100.9 F)	35 of 100 (Notable)
Salem AP (McNary Field)	United States	Record low minimum temperature	-0.6 C (30.9 F)	35 of 100 (Notable)
Guerrero (Smn)	Mexico	Record high minimum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	3.9 C (39.0 F)	34 of 100 (Routine)
Purcell 2 SW	United States	Record high minimum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Schreiber	Canada	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Ashville 4 W	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Canton	United States	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Pella 1S	United States	Record daily precipitation	58.7 mm (2.3 in)	33 of 100 (Routine)
Senhor Do Bonfim	Brazil	Record daily precipitation	35.0 mm (1.4 in)	32 of 100 (Routine)
Valdosta 2 S	United States	Record daily precipitation	36.6 mm (1.4 in)	32 of 100 (Routine)
Bonners Ferry	United States	Record low minimum temperature	-2.2 C (28.0 F)	32 of 100 (Routine)
El Reno 1 N	United States	Record high minimum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Healdton 3 E	United States	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Dublin 2SE	United States	Record high minimum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Astana	Kazakhstan	Record low minimum temperature	-3.8 C (25.2 F)	31 of 100 (Routine)
Atyrau	Kazakhstan	Record low minimum temperature	3.0 C (37.4 F)	31 of 100 (Routine)
Porthill	United States	Record low minimum temperature	-2.2 C (28.0 F)	31 of 100 (Routine)
Farmerville	United States	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Lampasas	United States	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Oskaloosa	United States	Record daily precipitation	41.4 mm (1.6 in)	30 of 100 (Routine)
Marlow 1 WSW	United States	Record high minimum temperature	22.2 C (72.0 F)	30 of 100 (Routine)
Shawnee	United States	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Mc Minnville	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Laurier	United States	Record low minimum temperature	-6.1 C (21.0 F)	30 of 100 (Routine)
Mena	United States	Record high minimum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Moultrie 2 ESE	United States	Record daily precipitation	35.1 mm (1.4 in)	29 of 100 (Routine)
Norman 3SSE	United States	Record high minimum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Santa Rosalia (Dge)	Mexico	Record high maximum temperature	38.3 C (100.9 F)	28 of 100 (Routine)
Conway	United States	Record high minimum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Rome	United States	Record daily precipitation	28.2 mm (1.1 in)	28 of 100 (Routine)
Waynesboro 2 W	United States	Record high minimum temperature	21.1 C (70.0 F)	28 of 100 (Routine)
Warsaw 1	United States	Record high minimum temperature	20.6 C (69.1 F)	28 of 100 (Routine)
Fredericksburg	United States	Record high minimum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
Georgetown	United States	Record high minimum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
Sable Island	Canada	Record low maximum temperature	3.3 C (37.9 F)	27 of 100 (Routine)
Lulea-Bergnaset	Sweden	Record high minimum temperature	10.6 C (51.1 F)	27 of 100 (Routine)
Lulea	Sweden	Record high minimum temperature	10.6 C (51.1 F)	27 of 100 (Routine)
Albany 3 SE	United States	Record daily precipitation	59.4 mm (2.3 in)	27 of 100 (Routine)
Norcross	United States	Record daily precipitation	39.6 mm (1.6 in)	27 of 100 (Routine)
Woodbury	United States	Record daily precipitation	31.2 mm (1.2 in)	27 of 100 (Routine)
Abilene	United States	Record high maximum temperature	33.9 C (93.0 F)	27 of 100 (Routine)
Natchez	United States	Record high minimum temperature	22.2 C (72.0 F)	27 of 100 (Routine)
Hannibal Wtr Wks	United States	Record daily precipitation	72.4 mm (2.9 in)	27 of 100 (Routine)
Colorado City	United States	Record high minimum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Sherman	United States	Record high minimum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Tabl.Mtn Molteno Rsv	South Africa	Record daily precipitation	25.5 mm (1.0 in)	26 of 100 (Routine)
Albertville 2 SE	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Moscow U of I	United States	Record low minimum temperature	-1.1 C (30.0 F)	26 of 100 (Routine)
Madison	United States	Record daily precipitation	62.2 mm (2.4 in)	26 of 100 (Routine)
Norman 3SSE	United States	Record high maximum temperature	36.1 C (97.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

489 records

Records set or tied on 17 May 1966 by type: Highest daily maximum 108, Lowest daily maximum 27, Highest daily minimum 152, Lowest daily minimum 102, Heaviest daily rainfall 100.

Records on 17 May 1966 by type
Record type	Records
Highest daily maximum	108
Lowest daily maximum	27
Highest daily minimum	152
Lowest daily minimum	102
Heaviest daily rainfall	100
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 May 1966 by timescale: all-time 0, monthly 8, daily 481.

How Much Records Were Beaten By

385 broken records

Margins by which the 385 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.5. Ties are not counted.

Top 20 by Significance

17 May 1966

Top 20 records on 17 May 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 May 1966	Talbotton, US	daily rain	92.7 mm (3.6 in)	64.5 mm (2.5 in)	64 years	66 of 100 (Major)
17 May 1966	W Pt, US	daily rain	82.6 mm (3.3 in)	55.4 mm (2.2 in)	32 years	51 of 100 (Notable)
17 May 1966	Mattoon, US	daily rain	57.2 mm (2.3 in)	26.5 mm (1.0 in)	66 years	50 of 100 (Notable)
17 May 1966	Knoxville, US	daily rain	56.6 mm (2.2 in)	33.7 mm (1.3 in)	20 years	44 of 100 (Notable)
17 May 1966	Grinnell 3 SW, US	daily rain	48.8 mm (1.9 in)	24.2 mm (1.0 in)	56 years	42 of 100 (Notable)
17 May 1966	Adairsville, US	daily rain	42.4 mm (1.7 in)	27.2 mm (1.1 in)	56 years	40 of 100 (Notable)
17 May 1966	Goat Rock, US	daily rain	42.4 mm (1.7 in)	31.7 mm (1.2 in)	31 years	37 of 100 (Notable)
17 May 1966	Ballinger 2 NW, US	monthly high min	24.4 C (75.9 F)	0.5 C (0.9 F)	63 years	37 of 100 (Notable)
17 May 1966	Jonkoping, SE	daily high max	23.4 C (74.1 F)	2.4 C (4.3 F)	78 years	36 of 100 (Notable)
17 May 1966	Brady, US	daily high max	38.3 C (100.9 F)	3.3 C (5.9 F)	71 years	35 of 100 (Notable)
17 May 1966	Salem AP (McNary Field), US	daily low min	-0.6 C (30.9 F)	2.3 C (4.1 F)	71 years	35 of 100 (Notable)
17 May 1966	Guerrero (Smn), MX	daily high min	13.3 C (55.9 F)	3.3 C (5.9 F)	60 years	34 of 100 (Routine)
17 May 1966	Astrakan, RU	daily low min	3.9 C (39.0 F)	0.8 C (1.4 F)	81 years	34 of 100 (Routine)
17 May 1966	Purcell 2 SW, US	daily high min	23.3 C (73.9 F)	2.7 C (4.9 F)	71 years	34 of 100 (Routine)
17 May 1966	Schreiber, CA	daily rain	40.6 mm (1.6 in)	8.3 mm (0.33 in)	56 years	33 of 100 (Routine)
17 May 1966	Ashville 4 W, US	daily rain	35.6 mm (1.4 in)	12.7 mm (0.5 in)	57 years	33 of 100 (Routine)
17 May 1966	Canton, US	daily rain	30.0 mm (1.2 in)	13.5 mm (0.5 in)	56 years	33 of 100 (Routine)
17 May 1966	Pella 1S, US	daily rain	58.7 mm (2.3 in)	31.8 mm (1.3 in)	8 years	33 of 100 (Routine)
17 May 1966	Senhor Do Bonfim, BR	daily rain	35.0 mm (1.4 in)	13.7 mm (0.5 in)	28 years	32 of 100 (Routine)
17 May 1966	Valdosta 2 S, US	daily rain	36.6 mm (1.4 in)	20.1 mm (0.8 in)	48 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 1966

Records set or tied on this calendar date in each year from 1802 to 1966. 1966 had 489 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 1966-05-17: 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 10	355
10 to 20	17
20 to 30	8
30 to 40	3
40 to 50	0
50 to 60	1
60 to 70	1