Weather Records on 7 May 1966

762 weather records were set or tied worldwide on 7 May 1966. Highest significance: Pembroke Eddy Match, CA.

Key Facts for 7 May 1966

On 7 May 1966, 762 weather records were set or tied at long-record stations worldwide.
254 were record highs and 365 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 78 monthly and 684 daily.
Pembroke Eddy Match set a monthly record low minimum temperature of -8.3 C (17.1 F) on 7 May 1966.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 417 records.

Record Map

762 stations

762 station records on 7 May 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pembroke Eddy Match	Canada	Record low minimum temperature	-8.3 C (17.1 F)	50 of 100 (Notable)
Catita	Brazil	Record daily precipitation	90.3 mm (3.6 in)	48 of 100 (Notable)
Kharagpur	India	Record daily precipitation	64.0 mm (2.5 in)	48 of 100 (Notable)
Port Stanley	Canada	Record low maximum temperature	5.0 C (41.0 F)	46 of 100 (Notable)
Bancroft	Canada	Record low minimum temperature	-10.0 C (14.0 F)	46 of 100 (Notable)
Ft Fairfield 5 NE	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Altyn-Mazar	Tajikistan	Record daily precipitation	26.9 mm (1.1 in)	44 of 100 (Notable)
Motozintla (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	43 of 100 (Notable)
Montreal McGill	Canada	Record low minimum temperature	-3.9 C (25.0 F)	42 of 100 (Notable)
Karkal	India	Record daily precipitation	132.0 mm (5.2 in)	42 of 100 (Notable)
Saint Leo	United States	Record daily precipitation	87.6 mm (3.4 in)	42 of 100 (Notable)
Kalay-Khumb	Tajikistan	Record daily precipitation	37.7 mm (1.5 in)	41 of 100 (Notable)
Quanbun Downs	Australia	Record daily precipitation	27.4 mm (1.1 in)	40 of 100 (Notable)
Bathurst	Canada	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Ohringen	Germany	Record daily precipitation	25.7 mm (1.0 in)	40 of 100 (Notable)
Jalpaiguri	India	Record daily precipitation	104.0 mm (4.1 in)	40 of 100 (Notable)
Nord Odal	Norway	Record snow depth	20.0 cm (7.9 in)	40 of 100 (Notable)
Bathurst	Canada	Record low maximum temperature	-1.1 C (30.0 F)	39 of 100 (Notable)
Houlton	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Beatrice	Canada	Record low minimum temperature	-10.6 C (12.9 F)	37 of 100 (Notable)
Huntingdon	Canada	Record low minimum temperature	-4.4 C (24.1 F)	37 of 100 (Notable)
Montreal McGill	Canada	Record low maximum temperature	7.2 C (45.0 F)	37 of 100 (Notable)
Little Falls City Rsch	United States	Record low minimum temperature	-6.1 C (21.0 F)	37 of 100 (Notable)
Parry Sound	Canada	Record low minimum temperature	-7.8 C (18.0 F)	36 of 100 (Notable)
Huntingdon	Canada	Record low maximum temperature	6.7 C (44.1 F)	35 of 100 (Notable)
Gibb River	Australia	Record daily precipitation	37.8 mm (1.5 in)	34 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Dannemora	United States	Record low minimum temperature	-6.7 C (19.9 F)	34 of 100 (Routine)
Sedro-Woolley	United States	Record daily precipitation	34.5 mm (1.4 in)	34 of 100 (Routine)
Ottawa Cda	Canada	Record low minimum temperature	-5.6 C (21.9 F)	33 of 100 (Routine)
Ogdensburg 4 NE	United States	Record low minimum temperature	-4.4 C (24.1 F)	33 of 100 (Routine)
Gore Bay	Canada	Record low minimum temperature	-7.8 C (18.0 F)	32 of 100 (Routine)
Guelph Oac	Canada	Record low minimum temperature	-5.6 C (21.9 F)	32 of 100 (Routine)
Lennoxville	Canada	Record low maximum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
Mistassini Post	Canada	Record low minimum temperature	-17.8 C (0.0 F)	32 of 100 (Routine)
Plattsburgh AFB	United States	Record low minimum temperature	-3.9 C (25.0 F)	32 of 100 (Routine)
Barkerville	Canada	Record high maximum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Berthierville	Canada	Record low minimum temperature	-6.7 C (19.9 F)	31 of 100 (Routine)
Chicoutimi	Canada	Record low minimum temperature	-8.3 C (17.1 F)	31 of 100 (Routine)
Mykland	Norway	Record snow depth	15.0 cm (5.9 in)	31 of 100 (Routine)
Glenwood 3SW	United States	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Greenfield	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Cheboygan	United States	Record low minimum temperature	-5.0 C (23.0 F)	31 of 100 (Routine)
Bethany	United States	Record high maximum temperature	33.3 C (91.9 F)	31 of 100 (Routine)
Berlin	United States	Record low minimum temperature	-4.4 C (24.1 F)	31 of 100 (Routine)
Elmira	United States	Record low minimum temperature	-3.3 C (26.1 F)	31 of 100 (Routine)
New Hazelton	Canada	Record high minimum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Lucknow	Canada	Record low minimum temperature	-4.4 C (24.1 F)	30 of 100 (Routine)
Port Dover	Canada	Record low minimum temperature	-3.3 C (26.1 F)	30 of 100 (Routine)
Haliburton A	Canada	Record low minimum temperature	-9.4 C (15.1 F)	30 of 100 (Routine)
Macdonald College	Canada	Record low minimum temperature	-3.9 C (25.0 F)	30 of 100 (Routine)
Nenastnaja	Russia	Record daily precipitation	36.6 mm (1.4 in)	30 of 100 (Routine)
Geneva Exp STN	United States	Record low minimum temperature	-3.3 C (26.1 F)	30 of 100 (Routine)
Salisbury	United States	Record low minimum temperature	-5.6 C (21.9 F)	30 of 100 (Routine)
Westfield 2 SSE	United States	Record low minimum temperature	-2.2 C (28.0 F)	30 of 100 (Routine)
Brockville	Canada	Record low minimum temperature	-6.1 C (21.0 F)	29 of 100 (Routine)
St Lin des Laurentides	Canada	Record low minimum temperature	-7.2 C (19.0 F)	29 of 100 (Routine)
Farnham	Canada	Record low minimum temperature	-5.6 C (21.9 F)	29 of 100 (Routine)
Barrage Temiscamingue	Canada	Record low minimum temperature	-8.9 C (16.0 F)	29 of 100 (Routine)
Winkelman 6 S	United States	Record high maximum temperature	38.3 C (100.9 F)	29 of 100 (Routine)

Counts by Type and Timescale

762 records

Records set or tied on 7 May 1966 by type: Highest daily maximum 166, Lowest daily maximum 119, Highest daily minimum 88, Lowest daily minimum 246, Heaviest daily rainfall 120, Heaviest daily snowfall 19, Deepest snow cover 4.

Records on 7 May 1966 by type
Record type	Records
Highest daily maximum	166
Lowest daily maximum	119
Highest daily minimum	88
Lowest daily minimum	246
Heaviest daily rainfall	120
Heaviest daily snowfall	19
Deepest snow cover	4

Records on 7 May 1966 by timescale: all-time 0, monthly 78, daily 684.

How Much Records Were Beaten By

584 broken records

Margins by which the 584 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 180.0. Ties are not counted.

Top 20 by Significance

7 May 1966

Top 20 records on 7 May 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1966	Pembroke Eddy Match, CA	monthly low min	-8.3 C (17.1 F)	0.5 C (0.9 F)	99 years	50 of 100 (Notable)
7 May 1966	Catita, BR	daily rain	90.3 mm (3.6 in)	63.7 mm (2.5 in)	16 years	48 of 100 (Notable)
7 May 1966	Kharagpur, IN	daily rain	64.0 mm (2.5 in)	34.8 mm (1.4 in)	57 years	48 of 100 (Notable)
7 May 1966	Port Stanley, CA	daily low max	5.0 C (41.0 F)	4.4 C (7.9 F)	91 years	46 of 100 (Notable)
7 May 1966	Bancroft, CA	monthly low min	-10.0 C (14.0 F)	2.2 C (4.0 F)	81 years	46 of 100 (Notable)
7 May 1966	Ft Fairfield 5 NE, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	64 years	46 of 100 (Notable)
7 May 1966	Altyn-Mazar, TJ	daily rain	26.9 mm (1.1 in)	22.9 mm (0.9 in)	4 years	44 of 100 (Notable)
7 May 1966	Motozintla (Smn), MX	daily low max	21.7 C (71.1 F)	5.0 C (9.0 F)	44 years	43 of 100 (Notable)
7 May 1966	Montreal McGill, CA	daily low min	-3.9 C (25.0 F)	2.8 C (5.0 F)	91 years	42 of 100 (Notable)
7 May 1966	Karkal, IN	daily rain	132.0 mm (5.2 in)	62.7 mm (2.5 in)	40 years	42 of 100 (Notable)
7 May 1966	Saint Leo, US	daily rain	87.6 mm (3.4 in)	44.4 mm (1.7 in)	24 years	42 of 100 (Notable)
7 May 1966	Kalay-Khumb, TJ	daily rain	37.7 mm (1.5 in)	23.1 mm (0.9 in)	12 years	41 of 100 (Notable)
7 May 1966	Quanbun Downs, AU	daily rain	27.4 mm (1.1 in)	27.4 mm (1.1 in)	66 years	40 of 100 (Notable)
7 May 1966	Bathurst, CA	daily snowfall	7.6 cm (3.0 in)	2.5 cm (1.0 in)	88 years	40 of 100 (Notable)
7 May 1966	Ohringen, DE	daily rain	25.7 mm (1.0 in)	7.2 mm (0.28 in)	75 years	40 of 100 (Notable)
7 May 1966	Jalpaiguri, IN	daily rain	104.0 mm (4.1 in)	45.1 mm (1.8 in)	52 years	40 of 100 (Notable)
7 May 1966	Nord Odal, NO	daily snow depth	20.0 cm (7.9 in)	18.0 cm (7.1 in)	28 years	40 of 100 (Notable)
7 May 1966	Bathurst, CA	monthly low max	-1.1 C (30.0 F)	1.1 C (2.0 F)	63 years	39 of 100 (Notable)
7 May 1966	Houlton, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	71 years	38 of 100 (Notable)
7 May 1966	Beatrice, CA	monthly low min	-10.6 C (12.9 F)	1.2 C (2.2 F)	59 years	37 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 1966

Records set or tied on this calendar date in each year from 1795 to 1966. 1966 had 762 records.

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

Records on 05-07 in each year
Year	Records
1795	2
1805	1
1816	1
1825	2
1837	1
1838	1
1844	1
1845	2
1846	1
1848	2
1850	2
1852	1
1853	1
1856	3
1857	1
1861	3
1862	1
1863	1
1864	1
1867	3
1869	1
1870	1
1872	1
1874	2
1876	3
1878	1
1879	2
1880	1
1884	2
1885	1
1886	4
1887	1
1888	1
1889	2
1890	4
1891	4
1892	2
1894	4
1895	2
1897	5
1898	7
1899	3
1900	10
1901	1
1902	6
1903	13
1904	19
1905	21
1906	15
1907	14
1908	29
1909	15
1910	16
1911	14
1912	14
1913	30
1914	37
1915	40
1916	34
1917	188
1918	60
1919	263
1920	59
1921	41
1922	40
1923	119
1924	141
1925	207
1926	227
1927	191
1928	204
1929	224
1930	637
1931	473
1932	288
1933	291
1934	698
1935	298
1936	466
1937	121
1938	467
1939	194
1940	317
1941	317
1942	270
1943	416
1944	476
1945	751
1946	339
1947	727
1948	338
1949	439
1950	526
1951	226
1952	485
1953	541
1954	481
1955	393
1956	665
1957	546
1958	585
1959	335
1960	899
1961	442
1962	381
1963	825
1964	687
1965	671
1966	762
1967	973
1968	756
1969	678
1970	822
1971	364
1972	515
1973	447
1974	743
1975	784
1976	782
1977	662
1978	925
1979	888
1980	593
1981	710
1982	802
1983	724
1984	1,300
1985	557
1986	1,163
1987	1,115
1988	752
1989	1,880
1990	1,024
1991	599
1992	1,830
1993	831
1994	621
1995	997
1996	880
1997	1,359
1998	1,166
1999	1,008
2000	1,693
2001	743
2002	1,344
2003	1,138
2004	1,397
2005	645
2006	833
2007	1,047
2008	526
2009	735
2010	1,123
2011	558
2012	709
2013	633
2014	646
2015	569
2016	677
2017	543
2018	542
2019	522
2020	577
2021	484
2022	784
2023	667
2024	858
2025	635
2026	715

Download the Data

Data for records on 1966-05-07: 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 25	563
25 to 50	14
50 to 75	3
75 to 100	1
100 to 125	1
125 to 150	0
150 to 175	1
175 to 200	1