Weather Records on 18 April 2001

1,487 weather records were set or tied worldwide on 18 April 2001. Highest significance: Dehradun, IN.

Key Facts for 18 April 2001

On 18 April 2001, 1,487 weather records were set or tied at long-record stations worldwide.
339 were record highs and 935 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 16 monthly and 1,469 daily.
Dehradun set a daily record precipitation of 41.9 mm (1.6 in) on 18 April 2001.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

1,487 stations

1,487 station records on 18 April 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dehradun	India	Record daily precipitation	41.9 mm (1.6 in)	77 of 100 (Major)
Valley Falls	United States	Record daily precipitation	25.4 mm (1.0 in)	69 of 100 (Major)
El Tejar	Mexico	Record daily precipitation	68.3 mm (2.7 in)	51 of 100 (Notable)
Puente Jula	Mexico	Record daily precipitation	55.6 mm (2.2 in)	51 of 100 (Notable)
Forsyth 6 NNW	United States	Record low maximum temperature	13.9 C (57.0 F)	50 of 100 (Notable)
Marshall	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
New Braunfels	United States	Record low maximum temperature	15.0 C (59.0 F)	48 of 100 (Notable)
Merida	Venezuela	Record high maximum temperature	35.4 C (95.7 F)	48 of 100 (Notable)
Temple	United States	Record low maximum temperature	13.3 C (55.9 F)	47 of 100 (Notable)
Mt Airy 2 W	United States	Record low maximum temperature	7.2 C (45.0 F)	46 of 100 (Notable)
Ballinger 2 NW	United States	Record low maximum temperature	11.7 C (53.1 F)	45 of 100 (Notable)
Dorado 2 WNW	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
1 N McLeansboro	United States	Record low minimum temperature	-4.4 C (24.1 F)	43 of 100 (Notable)
Bangalore	India	Record daily precipitation	82.0 mm (3.2 in)	42 of 100 (Notable)
Torrevieja	Spain	Record daily precipitation	55.0 mm (2.2 in)	42 of 100 (Notable)
Livingston	United States	Record low minimum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Oneonta	United States	Record low maximum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Farmerville	United States	Record low maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Tower 2S	United States	Record low minimum temperature	-13.9 C (7.0 F)	42 of 100 (Notable)
Cullowhee	United States	Record low maximum temperature	5.6 C (42.1 F)	42 of 100 (Notable)
Louisburg	United States	Record low maximum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Llano	United States	Record low maximum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Santiago Papasquiaro (Smn)	Mexico	Record daily precipitation	34.8 mm (1.4 in)	41 of 100 (Notable)
Elberton 2 N	United States	Record low maximum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
1 WSW Princeton	United States	Record low minimum temperature	-2.8 C (27.0 F)	41 of 100 (Notable)
Concord	United States	Record low maximum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Watonga	United States	Record low minimum temperature	0.0 C (32.0 F)	41 of 100 (Notable)
Puntilla	United States	Record low maximum temperature	-15.0 C (5.0 F)	41 of 100 (Notable)
New Orleans Audubon	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Stromsfoss Sluse	Norway	Record daily precipitation	28.8 mm (1.1 in)	40 of 100 (Notable)
Lake City 2 E	United States	Record low minimum temperature	3.3 C (37.9 F)	40 of 100 (Notable)
Hartwell	United States	Record low maximum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Olney 2S	United States	Record low minimum temperature	-2.8 C (27.0 F)	40 of 100 (Notable)
Williamstown	United States	Record low minimum temperature	-3.3 C (26.1 F)	40 of 100 (Notable)
Edenton	United States	Record low maximum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Lexington	United States	Record low minimum temperature	-2.2 C (28.0 F)	40 of 100 (Notable)
Jefferson 3SE	United States	Record low minimum temperature	-2.2 C (28.0 F)	40 of 100 (Notable)
Laurens	United States	Record low maximum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Sewanee	United States	Record low maximum temperature	6.1 C (43.0 F)	40 of 100 (Notable)
Corsicana	United States	Record low maximum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Elwha Rs	United States	Record daily precipitation	37.6 mm (1.5 in)	40 of 100 (Notable)
Elkhorn	United States	Record low minimum temperature	-3.3 C (26.1 F)	40 of 100 (Notable)
Selma	United States	Record low minimum temperature	3.9 C (39.0 F)	39 of 100 (Notable)
Cuthbert	United States	Record low maximum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Glennville 3NW	United States	Record low minimum temperature	2.2 C (36.0 F)	39 of 100 (Notable)
Copperhill	United States	Record low maximum temperature	6.1 C (43.0 F)	39 of 100 (Notable)
Boerne	United States	Record low maximum temperature	14.4 C (57.9 F)	39 of 100 (Notable)
Lampasas	United States	Record low maximum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Goldsboro 4 SE	United States	Record low maximum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Eastport	United States	Record daily snowfall	8.9 cm (3.5 in)	38 of 100 (Notable)
Canton 4N	United States	Record low minimum temperature	0.6 C (33.1 F)	38 of 100 (Notable)
Collins	United States	Record low minimum temperature	0.0 C (32.0 F)	38 of 100 (Notable)
Lenoir	United States	Record low maximum temperature	8.3 C (46.9 F)	38 of 100 (Notable)
Clemson UNIV	United States	Record low maximum temperature	11.1 C (52.0 F)	38 of 100 (Notable)
Winnsboro	United States	Record low maximum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Cuthbert	United States	Record low minimum temperature	-1.7 C (28.9 F)	37 of 100 (Notable)
Berlin	United States	Record snow depth	15.2 cm (6.0 in)	37 of 100 (Notable)
Indian Lake 2SW	United States	Record snow depth	50.8 cm (20.0 in)	37 of 100 (Notable)
Low Head (Comparison)	Australia	Record high minimum temperature	14.9 C (58.8 F)	36 of 100 (Notable)
Talladega	United States	Record low maximum temperature	12.8 C (55.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,487 records

Records set or tied on 18 April 2001 by type: Highest daily maximum 203, Lowest daily maximum 533, Highest daily minimum 136, Lowest daily minimum 402, Heaviest daily rainfall 151, Heaviest daily snowfall 29, Deepest snow cover 33.

Records on 18 April 2001 by type
Record type	Records
Highest daily maximum	203
Lowest daily maximum	533
Highest daily minimum	136
Lowest daily minimum	402
Heaviest daily rainfall	151
Heaviest daily snowfall	29
Deepest snow cover	33

Records on 18 April 2001 by timescale: all-time 2, monthly 16, daily 1,469.

How Much Records Were Beaten By

1,167 broken records

Margins by which the 1,167 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

18 April 2001

Top 20 records on 18 April 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 2001	Dehradun, IN	daily rain	41.9 mm (1.6 in)	30.7 mm (1.2 in)	92 years	77 of 100 (Major)
18 April 2001	Valley Falls, US	daily rain	25.4 mm (1.0 in)	19.0 mm (0.7 in)	68 years	69 of 100 (Major)
18 April 2001	El Tejar, MX	daily rain	68.3 mm (2.7 in)	66.5 mm (2.6 in)	24 years	51 of 100 (Notable)
18 April 2001	Puente Jula, MX	daily rain	55.6 mm (2.2 in)	50.5 mm (2.0 in)	24 years	51 of 100 (Notable)
18 April 2001	Forsyth 6 NNW, US	daily low max	13.9 C (57.0 F)	4.4 C (7.9 F)	100 years	50 of 100 (Notable)
18 April 2001	Marshall, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	101 years	50 of 100 (Notable)
18 April 2001	New Braunfels, US	daily low max	15.0 C (59.0 F)	6.1 C (11.0 F)	80 years	48 of 100 (Notable)
18 April 2001	Merida, VE	all-time high max	35.4 C (95.7 F)	3.7 C (6.7 F)	13 years	48 of 100 (Notable)
18 April 2001	Temple, US	daily low max	13.3 C (55.9 F)	3.4 C (6.1 F)	100 years	47 of 100 (Notable)
18 April 2001	Mt Airy 2 W, US	daily low max	7.2 C (45.0 F)	5.0 C (9.0 F)	92 years	46 of 100 (Notable)
18 April 2001	Ballinger 2 NW, US	daily low max	11.7 C (53.1 F)	3.9 C (7.0 F)	96 years	45 of 100 (Notable)
18 April 2001	Dorado 2 WNW, PR	daily high min	24.4 C (75.9 F)	2.2 C (4.0 F)	70 years	43 of 100 (Notable)
18 April 2001	1 N McLeansboro, US	daily low min	-4.4 C (24.1 F)	1.6 C (2.9 F)	103 years	43 of 100 (Notable)
18 April 2001	Bangalore, IN	daily rain	82.0 mm (3.2 in)	21.3 mm (0.8 in)	67 years	42 of 100 (Notable)
18 April 2001	Torrevieja, ES	monthly rain	55.0 mm (2.2 in)	6.8 mm (0.27 in)	54 years	42 of 100 (Notable)
18 April 2001	Livingston, US	daily low min	1.1 C (34.0 F)	2.2 C (4.0 F)	96 years	42 of 100 (Notable)
18 April 2001	Oneonta, US	daily low max	12.8 C (55.0 F)	1.1 C (2.0 F)	105 years	42 of 100 (Notable)
18 April 2001	Farmerville, US	daily low max	16.1 C (61.0 F)	1.1 C (2.0 F)	100 years	42 of 100 (Notable)
18 April 2001	Tower 2S, US	daily low min	-13.9 C (7.0 F)	1.7 C (3.1 F)	102 years	42 of 100 (Notable)
18 April 2001	Cullowhee, US	daily low max	5.6 C (42.1 F)	4.4 C (7.9 F)	80 years	42 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

1793 to 2001

Records set or tied on this calendar date in each year from 1793 to 2001. 2001 had 1,487 records.

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

Records on 04-18 in each year
Year	Records
1793	1
1807	2
1815	1
1838	1
1847	1
1849	1
1851	1
1852	3
1854	3
1855	1
1865	4
1867	1
1870	1
1871	1
1875	4
1877	2
1878	1
1879	3
1880	2
1884	2
1886	2
1887	3
1888	1
1889	1
1890	2
1891	1
1892	3
1893	5
1894	7
1895	2
1896	3
1897	5
1898	8
1899	2
1900	2
1901	6
1902	5
1903	11
1904	9
1905	12
1906	18
1907	17
1908	37
1909	19
1910	19
1911	25
1912	21
1913	26
1914	38
1915	31
1916	22
1917	40
1918	76
1919	16
1920	64
1921	58
1922	85
1923	107
1924	101
1925	154
1926	322
1927	391
1928	323
1929	126
1930	113
1931	173
1932	326
1933	211
1934	391
1935	264
1936	483
1937	477
1938	711
1939	525
1940	322
1941	496
1942	287
1943	298
1944	259
1945	371
1946	357
1947	444
1948	932
1949	345
1950	244
1951	658
1952	536
1953	1,322
1954	442
1955	817
1956	467
1957	629
1958	370
1959	468
1960	320
1961	520
1962	484
1963	662
1964	449
1965	363
1966	776
1967	882
1968	867
1969	795
1970	771
1971	1,106
1972	470
1973	953
1974	326
1975	751
1976	1,309
1977	717
1978	803
1979	841
1980	842
1981	708
1982	616
1983	2,082
1984	625
1985	1,119
1986	622
1987	1,068
1988	936
1989	625
1990	1,368
1991	780
1992	702
1993	730
1994	1,218
1995	1,601
1996	826
1997	1,256
1998	1,011
1999	1,428
2000	912
2001	1,487
2002	2,084
2003	969
2004	846
2005	622
2006	1,262
2007	675
2008	913
2009	624
2010	478
2011	1,122
2012	744
2013	2,509
2014	534
2015	519
2016	973
2017	588
2018	1,202
2019	601
2020	770
2021	592
2022	1,013
2023	739
2024	641
2025	997
2026	498

Download the Data

Data for records on 2001-04-18: 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 50	1,141
50 to 100	15
100 to 150	7
150 to 200	1
200 to 250	2
250 to 300	1