Weather Records on 18 April 2010

478 weather records were set or tied worldwide on 18 April 2010. Highest significance: Graham, US.

Key Facts for 18 April 2010

On 18 April 2010, 478 weather records were set or tied at long-record stations worldwide.
151 were record highs and 191 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 22 monthly and 455 daily.
Graham set a daily record precipitation of 66.0 mm (2.6 in) on 18 April 2010.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 467 records.

Record Map

478 stations

478 station records on 18 April 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Graham	United States	Record daily precipitation	66.0 mm (2.6 in)	51 of 100 (Notable)
Afton	United States	Record high minimum temperature	12.2 C (54.0 F)	47 of 100 (Notable)
Paso del Aura	Mexico	Record daily precipitation	84.8 mm (3.3 in)	46 of 100 (Notable)
Calliham	United States	Record daily precipitation	79.0 mm (3.1 in)	46 of 100 (Notable)
Immokalee	United States	Record daily precipitation	59.9 mm (2.4 in)	44 of 100 (Notable)
Blaine	United States	Record high minimum temperature	10.6 C (51.1 F)	44 of 100 (Notable)
Jackman	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Chandler	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Antelope	United States	Record daily precipitation	86.4 mm (3.4 in)	42 of 100 (Notable)
San Miguel Chimalapa	Mexico	Record low minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Orskog	Norway	Record daily precipitation	32.2 mm (1.3 in)	41 of 100 (Notable)
Ada	United States	Record daily precipitation	55.6 mm (2.2 in)	41 of 100 (Notable)
Marlow 1 WSW	United States	Record daily precipitation	44.5 mm (1.8 in)	41 of 100 (Notable)
Spearfish	United States	Record high minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Lingling	China	Record daily precipitation	61.3 mm (2.4 in)	39 of 100 (Notable)
McAllen	United States	Record daily precipitation	86.4 mm (3.4 in)	39 of 100 (Notable)
Tustervatnet II	Norway	Record daily precipitation	29.8 mm (1.2 in)	38 of 100 (Notable)
Lipan 4NW	United States	Record daily precipitation	72.1 mm (2.8 in)	38 of 100 (Notable)
Yeneka	Mexico	Record low maximum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Las Presas	Mexico	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Olney	United States	Record daily precipitation	84.8 mm (3.3 in)	37 of 100 (Notable)
Eumundi - Crescent Rd	Australia	Record daily precipitation	46.2 mm (1.8 in)	36 of 100 (Notable)
Lake Kemp	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Sirte	Libya	Record high minimum temperature	21.4 C (70.5 F)	35 of 100 (Notable)
Hillsborough Rvr Sp	United States	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Cresson	United States	Record daily precipitation	83.1 mm (3.3 in)	35 of 100 (Notable)
Atoka	United States	Record daily precipitation	39.4 mm (1.6 in)	34 of 100 (Routine)
Maracay - B.A. Sucr	Venezuela	Record daily precipitation	71.1 mm (2.8 in)	34 of 100 (Routine)
San Simon	United States	Record high minimum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Tipton 4S Mesonet	United States	Record low maximum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Huntingdon	United States	Record low maximum temperature	6.1 C (43.0 F)	33 of 100 (Routine)
Vero Beach Intl AP	United States	Record daily precipitation	38.6 mm (1.5 in)	33 of 100 (Routine)
Mangum	United States	Record low maximum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Eden	United States	Record low maximum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
Forestburg 5 S	United States	Record daily precipitation	55.6 mm (2.2 in)	31 of 100 (Routine)
Tampa Intl AP	United States	Record daily precipitation	25.9 mm (1.0 in)	31 of 100 (Routine)
Petersburg 1	United States	Record high minimum temperature	6.1 C (43.0 F)	31 of 100 (Routine)
Presa Valerio Trujano	Mexico	Record low minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record low maximum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Bowie	United States	Record daily precipitation	61.0 mm (2.4 in)	30 of 100 (Routine)
Denton 2 SE	United States	Record daily precipitation	34.0 mm (1.3 in)	30 of 100 (Routine)
Truscott 3 W	United States	Record daily precipitation	41.9 mm (1.6 in)	30 of 100 (Routine)
Wheeler	United States	Record daily precipitation	60.5 mm (2.4 in)	30 of 100 (Routine)
Tulum	Mexico	Record high maximum temperature	37.8 C (100.0 F)	29 of 100 (Routine)
Mt Locke	United States	Record low maximum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Miami Intl AP	United States	Record daily precipitation	54.1 mm (2.1 in)	29 of 100 (Routine)
Garissa	Kenya	Record daily precipitation	47.0 mm (1.9 in)	28 of 100 (Routine)
Cerralvo (Dge)	Mexico	Record low minimum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Bilma	Niger	Record high maximum temperature	44.4 C (111.9 F)	28 of 100 (Routine)
Majuro Wbas AP	Marshall Islands	Record high maximum temperature	32.2 C (90.0 F)	28 of 100 (Routine)
Yap Island WSO AP	Federated States of Micronesia	Record high minimum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Gao	Mali	Record high minimum temperature	37.2 C (99.0 F)	27 of 100 (Routine)
Copalillo	Mexico	Record low minimum temperature	14.4 C (57.9 F)	27 of 100 (Routine)
Niamey Aero	Niger	Record high maximum temperature	45.7 C (114.3 F)	27 of 100 (Routine)
Poset	Russia	Record low minimum temperature	-2.6 C (27.3 F)	27 of 100 (Routine)
Raton Muni Crews Fld AP	United States	Record high minimum temperature	5.6 C (42.1 F)	27 of 100 (Routine)
Whidbey Island NAS	United States	Record high maximum temperature	19.4 C (66.9 F)	27 of 100 (Routine)
Sarh	Chad	Record high maximum temperature	43.6 C (110.5 F)	26 of 100 (Routine)
Ayutla	Mexico	Record high maximum temperature	39.4 C (102.9 F)	26 of 100 (Routine)
Ticuman	Mexico	Record low maximum temperature	30.0 C (86.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

478 records

Records set or tied on 18 April 2010 by type: Highest daily maximum 61, Lowest daily maximum 95, Highest daily minimum 90, Lowest daily minimum 96, Heaviest daily rainfall 132, Heaviest daily snowfall 3, Deepest snow cover 1.

Records on 18 April 2010 by type
Record type	Records
Highest daily maximum	61
Lowest daily maximum	95
Highest daily minimum	90
Lowest daily minimum	96
Heaviest daily rainfall	132
Heaviest daily snowfall	3
Deepest snow cover	1

Records on 18 April 2010 by timescale: all-time 1, monthly 22, daily 455.

How Much Records Were Beaten By

359 broken records

Margins by which the 359 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 79.7. Ties are not counted.

Top 20 by Significance

18 April 2010

Top 20 records on 18 April 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 2010	Graham, US	daily rain	66.0 mm (2.6 in)	20.5 mm (0.8 in)	95 years	51 of 100 (Notable)
18 April 2010	Afton, US	monthly high min	12.2 C (54.0 F)	6.6 C (11.9 F)	50 years	47 of 100 (Notable)
18 April 2010	Paso del Aura, MX	daily rain	84.8 mm (3.3 in)	79.7 mm (3.1 in)	8 years	46 of 100 (Notable)
18 April 2010	Calliham, US	daily rain	79.0 mm (3.1 in)	56.6 mm (2.2 in)	12 years	46 of 100 (Notable)
18 April 2010	Immokalee, US	daily rain	59.9 mm (2.4 in)	58.6 mm (2.3 in)	20 years	44 of 100 (Notable)
18 April 2010	Blaine, US	daily high min	10.6 C (51.1 F)	1.2 C (2.2 F)	105 years	44 of 100 (Notable)
18 April 2010	Jackman, US	daily snowfall	10.2 cm (4.0 in)	2.6 cm (1.0 in)	107 years	43 of 100 (Notable)
18 April 2010	Chandler, US	daily low max	10.0 C (50.0 F)	1.1 C (2.0 F)	104 years	42 of 100 (Notable)
18 April 2010	Antelope, US	daily rain	86.4 mm (3.4 in)	47.8 mm (1.9 in)	21 years	42 of 100 (Notable)
18 April 2010	San Miguel Chimalapa, MX	daily low min	2.8 C (37.0 F)	8.9 C (16.0 F)	33 years	41 of 100 (Notable)
18 April 2010	Orskog, NO	daily rain	32.2 mm (1.3 in)	17.8 mm (0.7 in)	36 years	41 of 100 (Notable)
18 April 2010	Ada, US	daily rain	55.6 mm (2.2 in)	31.7 mm (1.2 in)	39 years	41 of 100 (Notable)
18 April 2010	Marlow 1 WSW, US	daily rain	44.5 mm (1.8 in)	17.1 mm (0.7 in)	68 years	41 of 100 (Notable)
18 April 2010	Spearfish, US	daily high min	10.6 C (51.1 F)	0.6 C (1.1 F)	101 years	41 of 100 (Notable)
18 April 2010	Lingling, CN	daily rain	61.3 mm (2.4 in)	25.8 mm (1.0 in)	47 years	39 of 100 (Notable)
18 April 2010	McAllen, US	daily rain	86.4 mm (3.4 in)	48.6 mm (1.9 in)	12 years	39 of 100 (Notable)
18 April 2010	Tustervatnet II, NO	daily rain	29.8 mm (1.2 in)	10.8 mm (0.4 in)	33 years	38 of 100 (Notable)
18 April 2010	Lipan 4NW, US	daily rain	72.1 mm (2.8 in)	36.3 mm (1.4 in)	36 years	38 of 100 (Notable)
18 April 2010	Yeneka, MX	daily low max	18.9 C (66.0 F)	7.2 C (13.0 F)	39 years	37 of 100 (Notable)
18 April 2010	Las Presas, MX	daily rain	30.0 mm (1.2 in)	28.2 mm (1.1 in)	4 years	37 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 2010

Records set or tied on this calendar date in each year from 1793 to 2010. 2010 had 478 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 2010-04-18: 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 10	303
10 to 20	31
20 to 30	10
30 to 40	8
40 to 50	4
50 to 60	2
60 to 70	0
70 to 80	1