Weather Records on 18 April 2007

675 weather records were set or tied worldwide on 18 April 2007. Highest significance: Augusta, US.

Key Facts for 18 April 2007

On 18 April 2007, 675 weather records were set or tied at long-record stations worldwide.
210 were record highs and 240 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 650 daily.
Augusta set a daily record precipitation of 47.8 mm (1.9 in) on 18 April 2007.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

675 stations

675 station records on 18 April 2007 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Augusta	United States	Record daily precipitation	47.8 mm (1.9 in)	78 of 100 (Major)
Auburn	United States	Record snow depth	33.0 cm (13.0 in)	74 of 100 (Major)
Gustavus	United States	Record snow depth	45.7 cm (18.0 in)	65 of 100 (Major)
Winnemucca AP	United States	Record daily snowfall	10.9 cm (4.3 in)	64 of 100 (Major)
Freeville 1 NE	United States	Record snow depth	30.5 cm (12.0 in)	63 of 100 (Major)
Ithaca Cornell UNIV	United States	Record snow depth	22.9 cm (9.0 in)	61 of 100 (Major)
Holter Dam	United States	Record daily precipitation	36.3 mm (1.4 in)	54 of 100 (Notable)
Risnes I Fjotland	Norway	Record daily precipitation	32.5 mm (1.3 in)	53 of 100 (Notable)
Aurora Rsch Farm	United States	Record snow depth	27.9 cm (11.0 in)	52 of 100 (Notable)
Paul 1ENE	United States	Record daily snowfall	5.1 cm (2.0 in)	51 of 100 (Notable)
Soyland I Gjesdal	Norway	Record daily precipitation	42.0 mm (1.7 in)	48 of 100 (Notable)
Milan	Italy	Record high minimum temperature	19.0 C (66.2 F)	46 of 100 (Notable)
Anaconda	United States	Record daily snowfall	26.2 cm (10.3 in)	45 of 100 (Notable)
Lisboa Geofisica	Portugal	Record high minimum temperature	17.0 C (62.6 F)	44 of 100 (Notable)
Castleford 2 N	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Jackman	United States	Record snow depth	101.6 cm (40.0 in)	44 of 100 (Notable)
Pinkham Notch	United States	Record daily precipitation	55.6 mm (2.2 in)	44 of 100 (Notable)
Morrisville 6 SW	United States	Record snow depth	27.9 cm (11.0 in)	42 of 100 (Notable)
Binghamton	United States	Record snow depth	15.2 cm (6.0 in)	42 of 100 (Notable)
Tepelmeme de Morelos	Mexico	Record high maximum temperature	40.0 C (104.0 F)	40 of 100 (Notable)
Augusta	United States	Record snow depth	10.2 cm (4.0 in)	40 of 100 (Notable)
Lincoln Rs	United States	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Highmarket 2W	United States	Record snow depth	45.7 cm (18.0 in)	40 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record low maximum temperature	1.7 C (35.1 F)	40 of 100 (Notable)
Waverly	United States	Record low maximum temperature	4.4 C (39.9 F)	40 of 100 (Notable)
Buckley 1 NE	United States	Record daily precipitation	27.7 mm (1.1 in)	40 of 100 (Notable)
San Juan del Rio	Mexico	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Stony Gorge Rsvr	United States	Record low minimum temperature	-3.3 C (26.1 F)	39 of 100 (Notable)
Milan	Italy	Record high maximum temperature	30.1 C (86.2 F)	37 of 100 (Notable)
Miyazaki	Japan	Record low maximum temperature	8.4 C (47.1 F)	37 of 100 (Notable)
Lahontan Dam	United States	Record low minimum temperature	-5.0 C (23.0 F)	36 of 100 (Notable)
Sherburne	United States	Record snow depth	10.2 cm (4.0 in)	36 of 100 (Notable)
Ovre Sirdal	Norway	Record daily precipitation	26.3 mm (1.0 in)	35 of 100 (Notable)
Glenns Ferry	United States	Record low maximum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
Mtn Home	United States	Record low maximum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
Choteau	United States	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Miyakonojo	Japan	Record low maximum temperature	7.7 C (45.9 F)	34 of 100 (Routine)
Aburatsu	Japan	Record low maximum temperature	10.2 C (50.4 F)	34 of 100 (Routine)
Saga	Japan	Record low maximum temperature	9.0 C (48.2 F)	33 of 100 (Routine)
El Cajoncito	Mexico	Record low maximum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Phitsanulok/Sarit	Thailand	Record daily precipitation	46.5 mm (1.8 in)	33 of 100 (Routine)
Cacapon St Pk #2	United States	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Muddy Gap	United States	Record high minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Montelimar	France	Record high minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Oltedal	Norway	Record daily precipitation	36.7 mm (1.4 in)	32 of 100 (Routine)
Morrisville 6 SW	United States	Record low maximum temperature	1.1 C (34.0 F)	32 of 100 (Routine)
Dayton 1 WSW	United States	Record low minimum temperature	-5.0 C (23.0 F)	32 of 100 (Routine)
Clermont-Ferrand	France	Record high minimum temperature	12.1 C (53.8 F)	31 of 100 (Routine)
Cinco de Mayo	Mexico	Record low minimum temperature	-5.0 C (23.0 F)	31 of 100 (Routine)
Chiconautla	Mexico	Record high minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Hatlestrand	Norway	Record daily precipitation	28.8 mm (1.1 in)	31 of 100 (Routine)
Ft Kent	United States	Record snow depth	55.9 cm (22.0 in)	31 of 100 (Routine)
Olton	United States	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Charlottesville 2W	United States	Record low maximum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Elfin Cove	United States	Record snow depth	30.5 cm (12.0 in)	31 of 100 (Routine)
Laboulaye Aero	Argentina	Record high minimum temperature	22.7 C (72.9 F)	30 of 100 (Routine)
Lyon - St Exupery	France	Record high minimum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Tepelmeme de Morelos	Mexico	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Sula 2 SE (Sula Rs)	United States	Record daily snowfall	6.4 cm (2.5 in)	30 of 100 (Routine)
Auburn	United States	Record daily snowfall	5.3 cm (2.1 in)	30 of 100 (Routine)

Counts by Type and Timescale

675 records

Records set or tied on 18 April 2007 by type: Highest daily maximum 91, Lowest daily maximum 143, Highest daily minimum 119, Lowest daily minimum 97, Heaviest daily rainfall 151, Heaviest daily snowfall 31, Deepest snow cover 43.

Records on 18 April 2007 by type
Record type	Records
Highest daily maximum	91
Lowest daily maximum	143
Highest daily minimum	119
Lowest daily minimum	97
Heaviest daily rainfall	151
Heaviest daily snowfall	31
Deepest snow cover	43

Records on 18 April 2007 by timescale: all-time 1, monthly 24, daily 650.

How Much Records Were Beaten By

548 broken records

Margins by which the 548 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 610.0. Ties are not counted.

Top 20 by Significance

18 April 2007

Top 20 records on 18 April 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 2007	Augusta, US	daily rain	47.8 mm (1.9 in)	35.6 mm (1.4 in)	94 years	78 of 100 (Major)
18 April 2007	Auburn, US	daily snow depth	33.0 cm (13.0 in)	33.0 cm (13.0 in)	92 years	74 of 100 (Major)
18 April 2007	Gustavus, US	daily snow depth	45.7 cm (18.0 in)	38.1 cm (15.0 in)	58 years	65 of 100 (Major)
18 April 2007	Winnemucca AP, US	daily snowfall	10.9 cm (4.3 in)	7.1 cm (2.8 in)	110 years	64 of 100 (Major)
18 April 2007	Freeville 1 NE, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	57 years	63 of 100 (Major)
18 April 2007	Ithaca Cornell UNIV, US	daily snow depth	22.9 cm (9.0 in)	15.3 cm (6.0 in)	77 years	61 of 100 (Major)
18 April 2007	Holter Dam, US	daily rain	36.3 mm (1.4 in)	21.6 mm (0.9 in)	13 years	54 of 100 (Notable)
18 April 2007	Risnes I Fjotland, NO	daily rain	32.5 mm (1.3 in)	11.5 mm (0.5 in)	96 years	53 of 100 (Notable)
18 April 2007	Aurora Rsch Farm, US	daily snow depth	27.9 cm (11.0 in)	22.8 cm (9.0 in)	41 years	52 of 100 (Notable)
18 April 2007	Paul 1ENE, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	81 years	51 of 100 (Notable)
18 April 2007	Soyland I Gjesdal, NO	daily rain	42.0 mm (1.7 in)	8.7 mm (0.34 in)	96 years	48 of 100 (Notable)
18 April 2007	Milan, IT	daily high min	19.0 C (66.2 F)	2.0 C (3.6 F)	227 years	46 of 100 (Notable)
18 April 2007	Anaconda, US	monthly snowfall	26.2 cm (10.3 in)	7.7 cm (3.0 in)	14 years	45 of 100 (Notable)
18 April 2007	Lisboa Geofisica, PT	daily high min	17.0 C (62.6 F)	0.9 C (1.6 F)	105 years	44 of 100 (Notable)
18 April 2007	Castleford 2 N, US	daily rain	38.1 mm (1.5 in)	31.0 mm (1.2 in)	1 year	44 of 100 (Notable)
18 April 2007	Jackman, US	daily snow depth	101.6 cm (40.0 in)	61.0 cm (24.0 in)	28 years	44 of 100 (Notable)
18 April 2007	Pinkham Notch, US	daily rain	55.6 mm (2.2 in)	29.2 mm (1.1 in)	52 years	44 of 100 (Notable)
18 April 2007	Morrisville 6 SW, US	daily snow depth	27.9 cm (11.0 in)	22.8 cm (9.0 in)	64 years	42 of 100 (Notable)
18 April 2007	Binghamton, US	daily snow depth	15.2 cm (6.0 in)	12.7 cm (5.0 in)	44 years	42 of 100 (Notable)
18 April 2007	Tepelmeme de Morelos, MX	daily high max	40.0 C (104.0 F)	7.8 C (14.0 F)	53 years	40 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 2007

Records set or tied on this calendar date in each year from 1793 to 2007. 2007 had 675 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 2007-04-18: 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 100	529
100 to 200	6
200 to 300	8
300 to 400	4
400 to 500	0
500 to 600	0
600 to 700	1