Weather Records on 17 May 1951

373 weather records were set or tied worldwide on 17 May 1951. Highest significance: Anthony, US.

Key Facts for 17 May 1951

On 17 May 1951, 373 weather records were set or tied at long-record stations worldwide.
167 were record highs and 50 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 10 monthly and 361 daily.
Anthony set a monthly record daily precipitation of 135.4 mm (5.3 in) on 17 May 1951.
Across 167 earlier years (1802 to 2026) the same calendar date averaged 435 records.

Record Map

373 stations

373 station records on 17 May 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 May 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Anthony	United States	Record daily precipitation	135.4 mm (5.3 in)	52 of 100 (Notable)
Alva 1W	United States	Record daily precipitation	73.7 mm (2.9 in)	50 of 100 (Notable)
Apache	United States	Record daily precipitation	106.4 mm (4.2 in)	50 of 100 (Notable)
Claude	United States	Record daily precipitation	89.4 mm (3.5 in)	49 of 100 (Notable)
Oakwood 3 SW	United States	Record daily precipitation	133.6 mm (5.3 in)	48 of 100 (Notable)
Truchas	United States	Record daily snowfall	15.5 cm (6.1 in)	47 of 100 (Notable)
Greeley	United States	Record daily precipitation	52.8 mm (2.1 in)	45 of 100 (Notable)
Frederick	United States	Record daily precipitation	94.2 mm (3.7 in)	43 of 100 (Notable)
Chickasha	United States	Record daily precipitation	99.6 mm (3.9 in)	42 of 100 (Notable)
Chillicothe	United States	Record daily precipitation	104.6 mm (4.1 in)	41 of 100 (Notable)
Canton	United States	Record daily precipitation	78.7 mm (3.1 in)	39 of 100 (Notable)
Geary	United States	Record daily precipitation	81.8 mm (3.2 in)	39 of 100 (Notable)
Woodward	United States	Record daily precipitation	52.6 mm (2.1 in)	39 of 100 (Notable)
Plainview	United States	Record daily precipitation	93.0 mm (3.7 in)	39 of 100 (Notable)
Nelson	Canada	Record daily precipitation	27.4 mm (1.1 in)	38 of 100 (Notable)
Black Lake	United States	Record daily snowfall	16.8 cm (6.6 in)	38 of 100 (Notable)
Hennessey 4 ESE	United States	Record daily precipitation	57.7 mm (2.3 in)	38 of 100 (Notable)
Weatherford	United States	Record daily precipitation	120.9 mm (4.8 in)	36 of 100 (Notable)
Crowell	United States	Record daily precipitation	108.0 mm (4.3 in)	36 of 100 (Notable)
Sheldon	United States	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
Tulia 6 NE	United States	Record daily precipitation	73.2 mm (2.9 in)	35 of 100 (Notable)
Truchas	United States	Record daily precipitation	32.3 mm (1.3 in)	34 of 100 (Routine)
Chattanooga	United States	Record daily precipitation	162.8 mm (6.4 in)	34 of 100 (Routine)
Mutual	United States	Record daily precipitation	87.6 mm (3.4 in)	34 of 100 (Routine)
Wichita Falls Muni AP	United States	Record daily precipitation	64.0 mm (2.5 in)	34 of 100 (Routine)
Hobbs	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Miami	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Colony	United States	Record daily precipitation	30.0 mm (1.2 in)	32 of 100 (Routine)
Beloit	United States	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Trenton 2	United States	Record high maximum temperature	32.2 C (90.0 F)	30 of 100 (Routine)
Taos	United States	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Hermosa 3 SSW	United States	Record daily precipitation	35.6 mm (1.4 in)	30 of 100 (Routine)
Miami	United States	Record daily precipitation	53.1 mm (2.1 in)	30 of 100 (Routine)
Sedgwick	United States	Record daily precipitation	68.8 mm (2.7 in)	29 of 100 (Routine)
Wichita Mtn Wr	United States	Record daily precipitation	138.4 mm (5.4 in)	28 of 100 (Routine)
Chacon	United States	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Beaver	United States	Record daily precipitation	26.4 mm (1.0 in)	27 of 100 (Routine)
Postmyr I Drangedal	Norway	Record snow depth	20.0 cm (7.9 in)	26 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record high minimum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
Belvidere	United States	Record high maximum temperature	34.4 C (93.9 F)	25 of 100 (Routine)
Lawton	United States	Record daily precipitation	91.4 mm (3.6 in)	25 of 100 (Routine)
Norman 3SSE	United States	Record daily precipitation	69.3 mm (2.7 in)	25 of 100 (Routine)
Walters	United States	Record daily precipitation	104.9 mm (4.1 in)	25 of 100 (Routine)
Northfield	United States	Record high maximum temperature	30.6 C (87.1 F)	25 of 100 (Routine)
Frazerpet	India	Record daily precipitation	52.8 mm (2.1 in)	24 of 100 (Routine)
Meeker	United States	Record high minimum temperature	6.7 C (44.1 F)	24 of 100 (Routine)
Carmel	United States	Record high maximum temperature	31.1 C (88.0 F)	24 of 100 (Routine)
Supply 1 E	United States	Record daily precipitation	49.5 mm (1.9 in)	24 of 100 (Routine)
Philadelphia Shawmont	United States	Record high maximum temperature	33.3 C (91.9 F)	24 of 100 (Routine)
Graz	Austria	Record low minimum temperature	2.7 C (36.9 F)	23 of 100 (Routine)
Granite Reef Dam	United States	Record low maximum temperature	22.2 C (72.0 F)	23 of 100 (Routine)
Chestnut Hill	United States	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
Newton	United States	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
Raton	United States	Record low maximum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Munday	United States	Record daily precipitation	88.6 mm (3.5 in)	23 of 100 (Routine)
Nogales	United States	Record low minimum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Waterbury	United States	Record high maximum temperature	31.1 C (88.0 F)	22 of 100 (Routine)
Williamsburg 2	United States	Record high maximum temperature	32.8 C (91.0 F)	22 of 100 (Routine)
Chestertown	United States	Record high maximum temperature	31.1 C (88.0 F)	22 of 100 (Routine)
Okeene	United States	Record daily precipitation	51.3 mm (2.0 in)	22 of 100 (Routine)

Counts by Type and Timescale

373 records

Records set or tied on 17 May 1951 by type: Highest daily maximum 107, Lowest daily maximum 33, Highest daily minimum 60, Lowest daily minimum 17, Heaviest daily rainfall 147, Heaviest daily snowfall 4, Deepest snow cover 5.

Records on 17 May 1951 by type
Record type	Records
Highest daily maximum	107
Lowest daily maximum	33
Highest daily minimum	60
Lowest daily minimum	17
Heaviest daily rainfall	147
Heaviest daily snowfall	4
Deepest snow cover	5

Records on 17 May 1951 by timescale: all-time 2, monthly 10, daily 361.

How Much Records Were Beaten By

286 broken records

Margins by which the 286 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 168.0. Ties are not counted.

Top 20 by Significance

17 May 1951

Top 20 records on 17 May 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 May 1951	Anthony, US	monthly rain	135.4 mm (5.3 in)	47.3 mm (1.9 in)	27 years	52 of 100 (Notable)
17 May 1951	Alva 1W, US	daily rain	73.7 mm (2.9 in)	56.9 mm (2.2 in)	22 years	50 of 100 (Notable)
17 May 1951	Apache, US	daily rain	106.4 mm (4.2 in)	69.3 mm (2.7 in)	21 years	50 of 100 (Notable)
17 May 1951	Claude, US	daily rain	89.4 mm (3.5 in)	50.0 mm (2.0 in)	34 years	49 of 100 (Notable)
17 May 1951	Oakwood 3 SW, US	all-time rain	133.6 mm (5.3 in)	21.3 mm (0.8 in)	34 years	48 of 100 (Notable)
17 May 1951	Truchas, US	daily snowfall	15.5 cm (6.1 in)	15.5 cm (6.1 in)	41 years	47 of 100 (Notable)
17 May 1951	Greeley, US	daily rain	52.8 mm (2.1 in)	29.9 mm (1.2 in)	48 years	45 of 100 (Notable)
17 May 1951	Frederick, US	daily rain	94.2 mm (3.7 in)	63.0 mm (2.5 in)	8 years	43 of 100 (Notable)
17 May 1951	Chickasha, US	daily rain	99.6 mm (3.9 in)	70.4 mm (2.8 in)	4 years	42 of 100 (Notable)
17 May 1951	Chillicothe, US	daily rain	104.6 mm (4.1 in)	61.9 mm (2.4 in)	2 years	41 of 100 (Notable)
17 May 1951	Canton, US	daily rain	78.7 mm (3.1 in)	53.0 mm (2.1 in)	4 years	39 of 100 (Notable)
17 May 1951	Geary, US	daily rain	81.8 mm (3.2 in)	47.3 mm (1.9 in)	4 years	39 of 100 (Notable)
17 May 1951	Woodward, US	daily rain	52.6 mm (2.1 in)	32.3 mm (1.3 in)	49 years	39 of 100 (Notable)
17 May 1951	Plainview, US	all-time rain	93.0 mm (3.7 in)	4.1 mm (0.16 in)	40 years	39 of 100 (Notable)
17 May 1951	Nelson, CA	daily rain	27.4 mm (1.1 in)	17.0 mm (0.7 in)	5 years	38 of 100 (Notable)
17 May 1951	Black Lake, US	daily snowfall	16.8 cm (6.6 in)	16.8 cm (6.6 in)	40 years	38 of 100 (Notable)
17 May 1951	Hennessey 4 ESE, US	daily rain	57.7 mm (2.3 in)	30.3 mm (1.2 in)	36 years	38 of 100 (Notable)
17 May 1951	Weatherford, US	monthly rain	120.9 mm (4.8 in)	21.8 mm (0.9 in)	27 years	36 of 100 (Notable)
17 May 1951	Crowell, US	daily rain	108.0 mm (4.3 in)	69.9 mm (2.8 in)	1 year	36 of 100 (Notable)
17 May 1951	Sheldon, US	daily rain	39.9 mm (1.6 in)	22.1 mm (0.9 in)	42 years	35 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

1802 to 1951

Records set or tied on this calendar date in each year from 1802 to 1951. 1951 had 373 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 1951-05-17: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 25	255
25 to 50	18
50 to 75	10
75 to 100	0
100 to 125	0
125 to 150	0
150 to 175	3