Weather Records on 24 May 1966

340 weather records were set or tied worldwide on 24 May 1966. Highest significance: Watertown Wwtp, US.

Key Facts for 24 May 1966

On 24 May 1966, 340 weather records were set or tied at long-record stations worldwide.
117 were record highs and 111 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 6 monthly and 333 daily.
Watertown Wwtp set a daily record precipitation of 54.1 mm (2.1 in) on 24 May 1966.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 456 records.

Record Map

340 stations

340 station records on 24 May 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 May 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Watertown Wwtp	United States	Record daily precipitation	54.1 mm (2.1 in)	54 of 100 (Notable)
Chilton	United States	Record daily precipitation	82.6 mm (3.3 in)	50 of 100 (Notable)
Cairo River	United States	Record daily precipitation	96.3 mm (3.8 in)	49 of 100 (Notable)
Brillion	United States	Record daily precipitation	67.1 mm (2.6 in)	49 of 100 (Notable)
Sturgeon Bay Exp Farm	United States	Record daily precipitation	43.4 mm (1.7 in)	48 of 100 (Notable)
Morehouse	United States	Record daily precipitation	80.3 mm (3.2 in)	47 of 100 (Notable)
Corning	United States	Record daily precipitation	73.9 mm (2.9 in)	43 of 100 (Notable)
Clarence	United States	Record daily precipitation	66.8 mm (2.6 in)	43 of 100 (Notable)
Magadan	Russia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Paducah	United States	Record daily precipitation	61.0 mm (2.4 in)	41 of 100 (Notable)
Lajes (Itaretama)	Brazil	Record daily precipitation	50.0 mm (2.0 in)	40 of 100 (Notable)
Brookport Dam 52	United States	Record daily precipitation	50.3 mm (2.0 in)	38 of 100 (Notable)
Darlington Wwtp	United States	Record daily precipitation	58.7 mm (2.3 in)	38 of 100 (Notable)
Golconda River	United States	Record daily precipitation	50.0 mm (2.0 in)	37 of 100 (Notable)
Ogallala	United States	Record low minimum temperature	-2.2 C (28.0 F)	37 of 100 (Notable)
Plymouth Wwtp	United States	Record daily precipitation	42.7 mm (1.7 in)	37 of 100 (Notable)
Kargil	India	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Blytheville	United States	Record daily precipitation	76.7 mm (3.0 in)	36 of 100 (Notable)
Cape Girardeau	United States	Record daily precipitation	47.0 mm (1.9 in)	36 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily precipitation	49.5 mm (1.9 in)	36 of 100 (Notable)
Pombal	Brazil	Record daily precipitation	52.8 mm (2.1 in)	34 of 100 (Routine)
Huntingdon	Canada	Record high maximum temperature	32.2 C (90.0 F)	34 of 100 (Routine)
Bloomington Normal	United States	Record daily precipitation	45.2 mm (1.8 in)	34 of 100 (Routine)
Lake City 2 E	United States	Record daily precipitation	70.6 mm (2.8 in)	33 of 100 (Routine)
Bancroft	Canada	Record high maximum temperature	28.3 C (82.9 F)	32 of 100 (Routine)
Palatka	United States	Record daily precipitation	54.6 mm (2.1 in)	32 of 100 (Routine)
Dexter	United States	Record daily precipitation	48.3 mm (1.9 in)	32 of 100 (Routine)
Border 3 N	United States	Record low minimum temperature	-6.7 C (19.9 F)	32 of 100 (Routine)
Yellowstone Park Mammoth	United States	Record low minimum temperature	-5.6 C (21.9 F)	32 of 100 (Routine)
Fraser	United States	Record low minimum temperature	-11.7 C (10.9 F)	31 of 100 (Routine)
Beardstown	United States	Record daily precipitation	36.1 mm (1.4 in)	31 of 100 (Routine)
Lusk 2 SW	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Americus	United States	Record low maximum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Brownwood 2NE	United States	Record high maximum temperature	38.3 C (100.9 F)	29 of 100 (Routine)
Citronelle	United States	Record high minimum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
Columbia	United States	Record daily precipitation	58.9 mm (2.3 in)	28 of 100 (Routine)
Monticello	United States	Record daily precipitation	67.6 mm (2.7 in)	28 of 100 (Routine)
Saidapet	India	Record daily precipitation	25.0 mm (1.0 in)	27 of 100 (Routine)
Eastport	United States	Record high maximum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Brockport	United States	Record high maximum temperature	30.6 C (87.1 F)	27 of 100 (Routine)
Stoughton Wwtp	United States	Record daily precipitation	94.5 mm (3.7 in)	27 of 100 (Routine)
Pablillo (Smn)	Mexico	Record daily precipitation	62.0 mm (2.4 in)	26 of 100 (Routine)
Griffin	United States	Record low maximum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Washington	United States	Record daily precipitation	47.5 mm (1.9 in)	26 of 100 (Routine)
Alliance 1WNW	United States	Record low minimum temperature	-1.7 C (28.9 F)	26 of 100 (Routine)
Kewaunee	United States	Record daily precipitation	45.0 mm (1.8 in)	26 of 100 (Routine)
Ocean Falls	Canada	Record daily precipitation	67.3 mm (2.6 in)	25 of 100 (Routine)
Franklin 3 NW	United States	Record high minimum temperature	23.3 C (73.9 F)	25 of 100 (Routine)
Yakutat AP	United States	Record low maximum temperature	4.4 C (39.9 F)	25 of 100 (Routine)
Lovelaceville	United States	Record daily precipitation	69.9 mm (2.8 in)	24 of 100 (Routine)
Oshkosh	United States	Record low minimum temperature	-1.7 C (28.9 F)	24 of 100 (Routine)
Dublin 2SE	United States	Record high maximum temperature	36.7 C (98.1 F)	24 of 100 (Routine)
Jonesboro 3 SSE	United States	Record daily precipitation	41.9 mm (1.6 in)	23 of 100 (Routine)
Bogalusa	United States	Record daily precipitation	54.6 mm (2.1 in)	23 of 100 (Routine)
Minden	United States	Record low minimum temperature	1.7 C (35.1 F)	23 of 100 (Routine)
Wilson 3 SW	United States	Record daily precipitation	33.3 mm (1.3 in)	23 of 100 (Routine)
Sigourney	United States	Record daily precipitation	33.8 mm (1.3 in)	22 of 100 (Routine)
Caruthersville	United States	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Chester	United States	Record low minimum temperature	-4.4 C (24.1 F)	22 of 100 (Routine)
Fredonia	United States	Record high maximum temperature	30.6 C (87.1 F)	22 of 100 (Routine)

Counts by Type and Timescale

340 records

Records set or tied on 24 May 1966 by type: Highest daily maximum 83, Lowest daily maximum 28, Highest daily minimum 34, Lowest daily minimum 83, Heaviest daily rainfall 112.

Records on 24 May 1966 by type
Record type	Records
Highest daily maximum	83
Lowest daily maximum	28
Highest daily minimum	34
Lowest daily minimum	83
Heaviest daily rainfall	112
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 24 May 1966 by timescale: all-time 1, monthly 6, daily 333.

How Much Records Were Beaten By

245 broken records

Margins by which the 245 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.4. Ties are not counted.

Top 20 by Significance

24 May 1966

Top 20 records on 24 May 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 May 1966	Watertown Wwtp, US	daily rain	54.1 mm (2.1 in)	30.2 mm (1.2 in)	44 years	54 of 100 (Notable)
24 May 1966	Chilton, US	daily rain	82.6 mm (3.3 in)	53.1 mm (2.1 in)	11 years	50 of 100 (Notable)
24 May 1966	Cairo River, US	daily rain	96.3 mm (3.8 in)	51.3 mm (2.0 in)	21 years	49 of 100 (Notable)
24 May 1966	Brillion, US	monthly rain	67.1 mm (2.6 in)	23.2 mm (0.9 in)	23 years	49 of 100 (Notable)
24 May 1966	Sturgeon Bay Exp Farm, US	daily rain	43.4 mm (1.7 in)	24.1 mm (0.9 in)	52 years	48 of 100 (Notable)
24 May 1966	Morehouse, US	daily rain	80.3 mm (3.2 in)	57.4 mm (2.3 in)	20 years	47 of 100 (Notable)
24 May 1966	Corning, US	daily rain	73.9 mm (2.9 in)	34.5 mm (1.4 in)	56 years	43 of 100 (Notable)
24 May 1966	Clarence, US	daily rain	66.8 mm (2.6 in)	54.6 mm (2.1 in)	1 year	43 of 100 (Notable)
24 May 1966	Magadan, RU	daily rain	25.0 mm (1.0 in)	16.6 mm (0.7 in)	15 years	41 of 100 (Notable)
24 May 1966	Paducah, US	daily rain	61.0 mm (2.4 in)	31.5 mm (1.2 in)	41 years	41 of 100 (Notable)
24 May 1966	Lajes (Itaretama), BR	daily rain	50.0 mm (2.0 in)	50.0 mm (2.0 in)	35 years	40 of 100 (Notable)
24 May 1966	Brookport Dam 52, US	daily rain	50.3 mm (2.0 in)	38.9 mm (1.5 in)	21 years	38 of 100 (Notable)
24 May 1966	Darlington Wwtp, US	daily rain	58.7 mm (2.3 in)	34.3 mm (1.4 in)	1 year	38 of 100 (Notable)
24 May 1966	Golconda River, US	daily rain	50.0 mm (2.0 in)	17.2 mm (0.7 in)	53 years	37 of 100 (Notable)
24 May 1966	Ogallala, US	daily low min	-2.2 C (28.0 F)	3.9 C (7.0 F)	72 years	37 of 100 (Notable)
24 May 1966	Plymouth Wwtp, US	daily rain	42.7 mm (1.7 in)	25.2 mm (1.0 in)	20 years	37 of 100 (Notable)
24 May 1966	Kargil, IN	daily rain	30.0 mm (1.2 in)	17.6 mm (0.7 in)	33 years	36 of 100 (Notable)
24 May 1966	Blytheville, US	daily rain	76.7 mm (3.0 in)	36.6 mm (1.4 in)	20 years	36 of 100 (Notable)
24 May 1966	Cape Girardeau, US	daily rain	47.0 mm (1.9 in)	24.9 mm (1.0 in)	39 years	36 of 100 (Notable)
24 May 1966	Lexington Bluegrass AP, US	daily rain	49.5 mm (1.9 in)	21.3 mm (0.8 in)	21 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

1794 to 1966

Records set or tied on this calendar date in each year from 1794 to 1966. 1966 had 340 records.

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

Records on 05-24 in each year
Year	Records
1794	1
1795	1
1797	1
1817	1
1831	1
1837	2
1838	1
1840	1
1841	2
1844	1
1847	3
1848	1
1864	1
1865	1
1866	5
1867	7
1868	2
1870	1
1877	2
1880	2
1882	2
1884	2
1886	2
1888	1
1889	3
1890	3
1891	4
1892	1
1893	8
1894	1
1895	1
1896	1
1897	5
1898	4
1899	7
1900	5
1901	7
1902	8
1903	9
1904	14
1905	16
1906	36
1907	15
1908	16
1909	16
1910	34
1911	28
1912	41
1913	30
1914	35
1915	8
1916	19
1917	86
1918	27
1919	25
1920	38
1921	139
1922	101
1923	106
1924	334
1925	347
1926	284
1927	221
1928	290
1929	112
1930	173
1931	475
1932	251
1933	477
1934	196
1935	426
1936	432
1937	187
1938	438
1939	498
1940	289
1941	499
1942	245
1943	439
1944	710
1945	226
1946	501
1947	456
1948	250
1949	436
1950	640
1951	881
1952	720
1953	1,005
1954	260
1955	841
1956	1,027
1957	513
1958	825
1959	315
1960	476
1961	301
1962	479
1963	734
1964	852
1965	502
1966	340
1967	904
1968	568
1969	408
1970	329
1971	625
1972	487
1973	533
1974	584
1975	886
1976	411
1977	997
1978	797
1979	1,115
1980	978
1981	758
1982	725
1983	1,332
1984	737
1985	637
1986	573
1987	664
1988	689
1989	1,346
1990	923
1991	1,495
1992	1,562
1993	826
1994	832
1995	1,247
1996	1,367
1997	1,028
1998	931
1999	806
2000	1,549
2001	1,335
2002	1,163
2003	1,011
2004	1,276
2005	967
2006	994
2007	1,349
2008	1,173
2009	970
2010	1,699
2011	1,026
2012	983
2013	861
2014	757
2015	501
2016	408
2017	876
2018	595
2019	750
2020	517
2021	583
2022	709
2023	353
2024	930
2025	542
2026	877

Download the Data

Data for records on 1966-05-24: 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).

Histogram of margins by which records were beaten on 24 May 1966
Margin	Records
0 to 10	197
10 to 20	25
20 to 30	8
30 to 40	8
40 to 50	2
50 to 60	5