Weather Records on 17 May 2005

784 weather records were set or tied worldwide on 17 May 2005. Highest significance: Guayama 1SW, PR.

Key Facts for 17 May 2005

On 17 May 2005, 784 weather records were set or tied at long-record stations worldwide.
186 were record highs and 353 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 16 monthly and 767 daily.
Guayama 1SW set a daily record precipitation of 132.3 mm (5.2 in) on 17 May 2005.
Across 167 earlier years (1802 to 2026) the same calendar date averaged 432 records.

Record Map

784 stations

784 station records on 17 May 2005 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 May 2005: highest significance records shown on the map
Station	Country	Type	Value	Significance
Guayama 1SW	Puerto Rico [United States]	Record daily precipitation	132.3 mm (5.2 in)	63 of 100 (Major)
Dandong	China	Record daily precipitation	75.4 mm (3.0 in)	58 of 100 (Notable)
Leting	China	Record daily precipitation	95.3 mm (3.8 in)	58 of 100 (Notable)
Juncos 1 SE	Puerto Rico [United States]	Record daily precipitation	111.8 mm (4.4 in)	56 of 100 (Notable)
Rio Blanco Lower	Puerto Rico [United States]	Record daily precipitation	165.9 mm (6.5 in)	56 of 100 (Notable)
Dalian	China	Record daily precipitation	91.5 mm (3.6 in)	55 of 100 (Notable)
Upper Lake 2 N	United States	Record daily precipitation	35.8 mm (1.4 in)	55 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	82.8 mm (3.3 in)	54 of 100 (Notable)
Bendalong Stp	Australia	Record daily precipitation	84.2 mm (3.3 in)	52 of 100 (Notable)
Jinzhou	China	Record daily precipitation	53.1 mm (2.1 in)	52 of 100 (Notable)
Jajome Alto	Puerto Rico [United States]	Record daily precipitation	190.5 mm (7.5 in)	51 of 100 (Notable)
Yingkou	China	Record daily precipitation	87.8 mm (3.5 in)	50 of 100 (Notable)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	88.9 mm (3.5 in)	50 of 100 (Notable)
San Lorenzo 1SW	Puerto Rico [United States]	Record daily precipitation	119.4 mm (4.7 in)	50 of 100 (Notable)
Santa Isabel 2 ENE	Puerto Rico [United States]	Record daily precipitation	117.9 mm (4.6 in)	50 of 100 (Notable)
Anderson Dam	United States	Record daily precipitation	27.4 mm (1.1 in)	50 of 100 (Notable)
Ukiah 4 WSW	United States	Record daily precipitation	49.0 mm (1.9 in)	49 of 100 (Notable)
McGill	United States	Record daily snowfall	5.1 cm (2.0 in)	49 of 100 (Notable)
Shenyang	China	Record daily precipitation	45.1 mm (1.8 in)	46 of 100 (Notable)
Ajaccio	France	Record daily precipitation	34.2 mm (1.3 in)	46 of 100 (Notable)
Huailai	China	Record daily precipitation	31.1 mm (1.2 in)	45 of 100 (Notable)
Beijing	China	Record daily precipitation	31.5 mm (1.2 in)	45 of 100 (Notable)
Makaweli 965	United States	Record high minimum temperature	22.8 C (73.0 F)	45 of 100 (Notable)
Waverly	United States	Record low maximum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	55.0 mm (2.2 in)	43 of 100 (Notable)
Cromer Golf Club	Australia	Record daily precipitation	43.2 mm (1.7 in)	42 of 100 (Notable)
Frontera Hidalgo	Mexico	Record low maximum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Lubeshov	Ukraine	Record daily precipitation	28.0 mm (1.1 in)	42 of 100 (Notable)
Richardson Gr Sp	United States	Record daily precipitation	53.3 mm (2.1 in)	42 of 100 (Notable)
Imbil Forestry	Australia	Record daily precipitation	42.2 mm (1.7 in)	41 of 100 (Notable)
Bolivar Wtr Wks	United States	Record low minimum temperature	5.6 C (42.1 F)	41 of 100 (Notable)
Magdeburg	Germany	Record low maximum temperature	9.7 C (49.5 F)	40 of 100 (Notable)
Malkal	Sudan	Record daily precipitation	62.2 mm (2.4 in)	40 of 100 (Notable)
Ash Mtn	United States	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Hillsboro 3 N	United States	Record daily precipitation	29.7 mm (1.2 in)	40 of 100 (Notable)
Kingsville	United States	Record low maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Ogden Pioneer Ph	United States	Record daily precipitation	44.7 mm (1.8 in)	40 of 100 (Notable)
The Entrance (Eloora Street)	Australia	Record daily precipitation	111.0 mm (4.4 in)	39 of 100 (Notable)
Benxi	China	Record daily precipitation	37.3 mm (1.5 in)	39 of 100 (Notable)
Tepelmeme de Morelos	Mexico	Record high maximum temperature	37.8 C (100.0 F)	39 of 100 (Notable)
Nice	France	Record daily precipitation	45.8 mm (1.8 in)	38 of 100 (Notable)
Washington	United States	Record low minimum temperature	2.2 C (36.0 F)	38 of 100 (Notable)
Richland	United States	Record low maximum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Davenport	United States	Record low maximum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Crossett 2 SSE	United States	Record low minimum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Hazelton	United States	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Milan Exp STN	United States	Record low minimum temperature	5.0 C (41.0 F)	36 of 100 (Notable)
Mtn Dell Dam	United States	Record daily precipitation	25.9 mm (1.0 in)	36 of 100 (Notable)
Newcastle Nobbys Signal Statio	Australia	Record daily precipitation	54.6 mm (2.1 in)	35 of 100 (Notable)
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	74.0 mm (2.9 in)	35 of 100 (Notable)
Guantanamo Bay NAS	Cuba	Record daily precipitation	81.8 mm (3.2 in)	35 of 100 (Notable)
Halle	Germany	Record low maximum temperature	9.5 C (49.1 F)	35 of 100 (Notable)
Lindenberg	Germany	Record low maximum temperature	8.7 C (47.7 F)	35 of 100 (Notable)
Tilzapotla	Mexico	Record low maximum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
San Juan Peyotan	Mexico	Record low maximum temperature	30.0 C (86.0 F)	35 of 100 (Notable)
Telchac Puerto	Mexico	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Magueyes Is	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Bastrop	United States	Record low minimum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Elephant Butte Dam	United States	Record high minimum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Cameron	United States	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)

Counts by Type and Timescale

784 records

Records set or tied on 17 May 2005 by type: Highest daily maximum 74, Lowest daily maximum 185, Highest daily minimum 112, Lowest daily minimum 168, Heaviest daily rainfall 239, Heaviest daily snowfall 3, Deepest snow cover 3.

Records on 17 May 2005 by type
Record type	Records
Highest daily maximum	74
Lowest daily maximum	185
Highest daily minimum	112
Lowest daily minimum	168
Heaviest daily rainfall	239
Heaviest daily snowfall	3
Deepest snow cover	3

Records on 17 May 2005 by timescale: all-time 1, monthly 16, daily 767.

How Much Records Were Beaten By

621 broken records

Margins by which the 621 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 147.8. Ties are not counted.

Top 20 by Significance

17 May 2005

Top 20 records on 17 May 2005 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 May 2005	Guayama 1SW, PR	daily rain	132.3 mm (5.2 in)	78.5 mm (3.1 in)	48 years	63 of 100 (Major)
17 May 2005	Dandong, CN	daily rain	75.4 mm (3.0 in)	59.9 mm (2.4 in)	44 years	58 of 100 (Notable)
17 May 2005	Leting, CN	monthly rain	95.3 mm (3.8 in)	43.9 mm (1.7 in)	15 years	58 of 100 (Notable)
17 May 2005	Juncos 1 SE, PR	daily rain	111.8 mm (4.4 in)	56.2 mm (2.2 in)	62 years	56 of 100 (Notable)
17 May 2005	Rio Blanco Lower, PR	daily rain	165.9 mm (6.5 in)	79.5 mm (3.1 in)	42 years	56 of 100 (Notable)
17 May 2005	Dalian, CN	monthly rain	91.5 mm (3.6 in)	24.8 mm (1.0 in)	51 years	55 of 100 (Notable)
17 May 2005	Upper Lake 2 N, US	daily rain	35.8 mm (1.4 in)	18.0 mm (0.7 in)	60 years	55 of 100 (Notable)
17 May 2005	Ponce 4 E, PR	daily rain	82.8 mm (3.3 in)	30.2 mm (1.2 in)	94 years	54 of 100 (Notable)
17 May 2005	Bendalong Stp, AU	daily rain	84.2 mm (3.3 in)	53.5 mm (2.1 in)	60 years	52 of 100 (Notable)
17 May 2005	Jinzhou, CN	daily rain	53.1 mm (2.1 in)	38.4 mm (1.5 in)	27 years	52 of 100 (Notable)
17 May 2005	Jajome Alto, PR	daily rain	190.5 mm (7.5 in)	147.8 mm (5.8 in)	20 years	51 of 100 (Notable)
17 May 2005	Yingkou, CN	daily rain	87.8 mm (3.5 in)	74.8 mm (2.9 in)	19 years	50 of 100 (Notable)
17 May 2005	Aibonito 1 S, PR	daily rain	88.9 mm (3.5 in)	36.6 mm (1.4 in)	62 years	50 of 100 (Notable)
17 May 2005	San Lorenzo 1SW, PR	daily rain	119.4 mm (4.7 in)	95.5 mm (3.8 in)	20 years	50 of 100 (Notable)
17 May 2005	Santa Isabel 2 ENE, PR	daily rain	117.9 mm (4.6 in)	102.7 mm (4.0 in)	16 years	50 of 100 (Notable)
17 May 2005	Anderson Dam, US	daily rain	27.4 mm (1.1 in)	12.7 mm (0.5 in)	60 years	50 of 100 (Notable)
17 May 2005	Ukiah 4 WSW, US	daily rain	49.0 mm (1.9 in)	36.8 mm (1.4 in)	14 years	49 of 100 (Notable)
17 May 2005	McGill, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	98 years	49 of 100 (Notable)
17 May 2005	Shenyang, CN	daily rain	45.1 mm (1.8 in)	31.6 mm (1.2 in)	10 years	46 of 100 (Notable)
17 May 2005	Ajaccio, FR	daily rain	34.2 mm (1.3 in)	19.3 mm (0.8 in)	51 years	46 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 2005

Records set or tied on this calendar date in each year from 1802 to 2005. 2005 had 784 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 2005-05-17: 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 20	577
20 to 40	23
40 to 60	13
60 to 80	5
80 to 100	1
100 to 120	1
120 to 140	0
140 to 160	1