Weather Records on 11 May 2001

848 weather records were set or tied worldwide on 11 May 2001. Highest significance: Mio Hydro Plt, US.

Key Facts for 11 May 2001

On 11 May 2001, 848 weather records were set or tied at long-record stations worldwide.
491 were record highs and 180 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 834 daily.
Mio Hydro Plt set a daily record precipitation of 36.3 mm (1.4 in) on 11 May 2001.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 461 records.

Record Map

848 stations

848 station records on 11 May 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mio Hydro Plt	United States	Record daily precipitation	36.3 mm (1.4 in)	57 of 100 (Notable)
Khartoum	Sudan	Record daily precipitation	62.2 mm (2.4 in)	53 of 100 (Notable)
Troy	United States	Record low minimum temperature	3.9 C (39.0 F)	49 of 100 (Notable)
San Juan de Las Flores	Mexico	Record daily precipitation	52.8 mm (2.1 in)	46 of 100 (Notable)
Windsor	United States	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record daily precipitation	58.4 mm (2.3 in)	44 of 100 (Notable)
Springer	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
San Lorenzo Malacota	Mexico	Record daily precipitation	26.9 mm (1.1 in)	43 of 100 (Notable)
Donetsk	Ukraine	Record daily precipitation	28.0 mm (1.1 in)	41 of 100 (Notable)
Mancos 1SW	United States	Record high maximum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Gallatin 1W	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Turlock #2	United States	Record high maximum temperature	36.1 C (97.0 F)	40 of 100 (Notable)
E Tawas	United States	Record high minimum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Appleton City	United States	Record daily precipitation	40.1 mm (1.6 in)	39 of 100 (Notable)
Xicotencatl	Mexico	Record daily precipitation	78.2 mm (3.1 in)	38 of 100 (Notable)
Colonia Manuel A Camacho	Mexico	Record daily precipitation	35.1 mm (1.4 in)	37 of 100 (Notable)
1 WSW Princeton	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Navios Viejos	Mexico	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Mazamitla	Mexico	Record daily precipitation	35.8 mm (1.4 in)	36 of 100 (Notable)
Camecuaro	Mexico	Record daily precipitation	38.9 mm (1.5 in)	36 of 100 (Notable)
Yosemite Park HQ	United States	Record high minimum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Concordia	United States	Record daily precipitation	51.3 mm (2.0 in)	36 of 100 (Notable)
Rio Lagartos	Mexico	Record low minimum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Chita	Russia	Record high maximum temperature	29.5 C (85.1 F)	35 of 100 (Notable)
Ekimchan	Russia	Record high minimum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
N Fk Rs	United States	Record high maximum temperature	33.3 C (91.9 F)	35 of 100 (Notable)
Amity 4 NE	United States	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Sweet Springs	United States	Record daily precipitation	56.6 mm (2.2 in)	35 of 100 (Notable)
Dos Bocas	Puerto Rico [United States]	Record daily precipitation	87.9 mm (3.5 in)	34 of 100 (Routine)
Montezuma 1 W	United States	Record daily precipitation	42.9 mm (1.7 in)	34 of 100 (Routine)
Brunswick	United States	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Cimarron 4 SW	United States	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
Soledad de Graciano	Mexico	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Packwood	United States	Record high minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Kyra	Russia	Record high maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)
Merced	United States	Record high maximum temperature	37.8 C (100.0 F)	32 of 100 (Routine)
Coloma	United States	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Richland Ctr	United States	Record daily precipitation	40.6 mm (1.6 in)	32 of 100 (Routine)
Cadillac	United States	Record daily precipitation	30.7 mm (1.2 in)	32 of 100 (Routine)
Celaya (Smn)	Mexico	Record low minimum temperature	7.8 C (46.0 F)	31 of 100 (Routine)
Laoag	Philippines	Record low maximum temperature	28.6 C (83.5 F)	31 of 100 (Routine)
Marysville	United States	Record high maximum temperature	36.7 C (98.1 F)	31 of 100 (Routine)
Napa State Hospital	United States	Record high maximum temperature	33.3 C (91.9 F)	31 of 100 (Routine)
Sanya	China	Record low maximum temperature	26.5 C (79.7 F)	30 of 100 (Routine)
Dorado 2 WNW	Puerto Rico [United States]	Record high minimum temperature	27.2 C (81.0 F)	30 of 100 (Routine)
Kjahta	Russia	Record high maximum temperature	32.0 C (89.6 F)	30 of 100 (Routine)
Krasnyj Chikoj	Russia	Record high maximum temperature	30.7 C (87.3 F)	30 of 100 (Routine)
Chico UNIV Farm	United States	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
Illinois City Dam 16	United States	Record daily precipitation	50.3 mm (2.0 in)	30 of 100 (Routine)
Lawrenceville 3 SW	United States	Record high maximum temperature	29.4 C (84.9 F)	30 of 100 (Routine)
Delta	Mexico	Record high minimum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Bajandaj	Russia	Record high maximum temperature	30.8 C (87.4 F)	29 of 100 (Routine)
Irkutsk	Russia	Record high maximum temperature	32.5 C (90.5 F)	29 of 100 (Routine)
Tunka	Russia	Record high maximum temperature	32.6 C (90.7 F)	29 of 100 (Routine)
Ekimchan	Russia	Record high maximum temperature	24.6 C (76.3 F)	29 of 100 (Routine)
Newton Rigg	United Kingdom	Record high maximum temperature	26.5 C (79.7 F)	29 of 100 (Routine)
Brassua Dam	United States	Record high maximum temperature	25.0 C (77.0 F)	29 of 100 (Routine)
Caliente	United States	Record high maximum temperature	34.4 C (93.9 F)	29 of 100 (Routine)
Orderville	United States	Record high maximum temperature	36.1 C (97.0 F)	29 of 100 (Routine)
Daly Waters AWS	Australia	Record low minimum temperature	7.0 C (44.6 F)	28 of 100 (Routine)

Counts by Type and Timescale

848 records

Records set or tied on 11 May 2001 by type: Highest daily maximum 323, Lowest daily maximum 82, Highest daily minimum 168, Lowest daily minimum 98, Heaviest daily rainfall 175, Heaviest daily snowfall 2.

Records on 11 May 2001 by type
Record type	Records
Highest daily maximum	323
Lowest daily maximum	82
Highest daily minimum	168
Lowest daily minimum	98
Heaviest daily rainfall	175
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 11 May 2001 by timescale: all-time 0, monthly 14, daily 834.

How Much Records Were Beaten By

649 broken records

Margins by which the 649 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 55.8. Ties are not counted.

Top 20 by Significance

11 May 2001

Top 20 records on 11 May 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 2001	Mio Hydro Plt, US	daily rain	36.3 mm (1.4 in)	19.5 mm (0.8 in)	72 years	57 of 100 (Notable)
11 May 2001	Khartoum, SD	daily rain	62.2 mm (2.4 in)	55.8 mm (2.2 in)	31 years	53 of 100 (Notable)
11 May 2001	Troy, US	daily low min	3.9 C (39.0 F)	4.4 C (7.9 F)	92 years	49 of 100 (Notable)
11 May 2001	San Juan de Las Flores, MX	daily rain	52.8 mm (2.1 in)	50.0 mm (2.0 in)	24 years	46 of 100 (Notable)
11 May 2001	Windsor, US	daily rain	36.8 mm (1.4 in)	7.6 mm (0.30 in)	107 years	45 of 100 (Notable)
11 May 2001	Mayaguez City, PR	daily rain	58.4 mm (2.3 in)	8.4 mm (0.33 in)	100 years	44 of 100 (Notable)
11 May 2001	Springer, US	daily rain	30.5 mm (1.2 in)	9.4 mm (0.37 in)	84 years	44 of 100 (Notable)
11 May 2001	San Lorenzo Malacota, MX	daily rain	26.9 mm (1.1 in)	23.6 mm (0.9 in)	20 years	43 of 100 (Notable)
11 May 2001	Donetsk, UA	daily rain	28.0 mm (1.1 in)	14.5 mm (0.6 in)	47 years	41 of 100 (Notable)
11 May 2001	Mancos 1SW, US	daily high max	25.6 C (78.1 F)	0.6 C (1.1 F)	100 years	41 of 100 (Notable)
11 May 2001	Gallatin 1W, US	daily rain	50.8 mm (2.0 in)	5.8 mm (0.23 in)	92 years	41 of 100 (Notable)
11 May 2001	Turlock #2, US	daily high max	36.1 C (97.0 F)	0.5 C (0.9 F)	103 years	40 of 100 (Notable)
11 May 2001	E Tawas, US	daily high min	13.9 C (57.0 F)	0.6 C (1.1 F)	98 years	40 of 100 (Notable)
11 May 2001	Appleton City, US	daily rain	40.1 mm (1.6 in)	2.0 mm (0.08 in)	96 years	39 of 100 (Notable)
11 May 2001	Xicotencatl, MX	daily rain	78.2 mm (3.1 in)	43.4 mm (1.7 in)	32 years	38 of 100 (Notable)
11 May 2001	Colonia Manuel A Camacho, MX	daily rain	35.1 mm (1.4 in)	21.1 mm (0.8 in)	26 years	37 of 100 (Notable)
11 May 2001	1 WSW Princeton, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	87 years	37 of 100 (Notable)
11 May 2001	Navios Viejos, MX	daily rain	31.8 mm (1.3 in)	29.0 mm (1.1 in)	16 years	36 of 100 (Notable)
11 May 2001	Mazamitla, MX	daily rain	35.8 mm (1.4 in)	18.5 mm (0.7 in)	48 years	36 of 100 (Notable)
11 May 2001	Camecuaro, MX	daily rain	38.9 mm (1.5 in)	20.1 mm (0.8 in)	24 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

1814 to 2001

Records set or tied on this calendar date in each year from 1814 to 2001. 2001 had 848 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 2001-05-11: 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	602
10 to 20	30
20 to 30	11
30 to 40	3
40 to 50	1
50 to 60	2