Weather Records on 18 April 2000

912 weather records were set or tied worldwide on 18 April 2000. Highest significance: Medford Exp STN, US.

Key Facts for 18 April 2000

On 18 April 2000, 912 weather records were set or tied at long-record stations worldwide.
381 were record highs and 167 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 36 monthly and 875 daily.
Medford Exp STN set a monthly record daily precipitation of 47.5 mm (1.9 in) on 18 April 2000.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 465 records.

Record Map

912 stations

912 station records on 18 April 2000 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 2000: highest significance records shown on the map
Station	Country	Type	Value	Significance
Medford Exp STN	United States	Record daily precipitation	47.5 mm (1.9 in)	73 of 100 (Major)
San Gabriel Canyon Ph	United States	Record daily precipitation	72.4 mm (2.9 in)	68 of 100 (Major)
Powhatan	United States	Record daily precipitation	66.0 mm (2.6 in)	67 of 100 (Major)
Peak Hill	Australia	Record daily precipitation	38.0 mm (1.5 in)	63 of 100 (Major)
Blackfoot Fire Dept	United States	Record daily precipitation	52.6 mm (2.1 in)	62 of 100 (Major)
Makaweli 965	United States	Record low maximum temperature	21.7 C (71.1 F)	59 of 100 (Notable)
Lexington	United States	Record daily precipitation	50.8 mm (2.0 in)	58 of 100 (Notable)
Wytheville	United States	Record daily precipitation	40.4 mm (1.6 in)	56 of 100 (Notable)
Arltunga	Australia	Record daily precipitation	25.8 mm (1.0 in)	54 of 100 (Notable)
Lemon Cove	United States	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
Upton 13 SW	United States	Record daily precipitation	40.9 mm (1.6 in)	54 of 100 (Notable)
Little Port Walter	United States	Record daily precipitation	158.2 mm (6.2 in)	54 of 100 (Notable)
Idaho Falls - Kifi	United States	Record daily precipitation	26.9 mm (1.1 in)	53 of 100 (Notable)
Paisley	United States	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Staunton Wtp	United States	Record daily precipitation	39.4 mm (1.6 in)	53 of 100 (Notable)
Julian Cdf	United States	Record daily precipitation	25.4 mm (1.0 in)	51 of 100 (Notable)
Ventura	United States	Record daily precipitation	60.5 mm (2.4 in)	51 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record daily precipitation	39.4 mm (1.6 in)	51 of 100 (Notable)
Harrison	United States	Record daily precipitation	50.8 mm (2.0 in)	50 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record daily precipitation	29.2 mm (1.1 in)	50 of 100 (Notable)
Lafayette 1 NE	United States	Record daily precipitation	65.5 mm (2.6 in)	50 of 100 (Notable)
Cape Leveque	Australia	Record daily precipitation	78.0 mm (3.1 in)	49 of 100 (Notable)
Gogo Station	Australia	Record daily precipitation	27.4 mm (1.1 in)	49 of 100 (Notable)
San Juan Atepec	Mexico	Record low minimum temperature	0.6 C (33.1 F)	49 of 100 (Notable)
Paintsville 1E	United States	Record daily precipitation	50.3 mm (2.0 in)	49 of 100 (Notable)
Rocky Mt	United States	Record daily precipitation	62.7 mm (2.5 in)	49 of 100 (Notable)
Glendora Fc 287B	United States	Record daily precipitation	55.1 mm (2.2 in)	48 of 100 (Notable)
Chemung	United States	Record daily precipitation	45.7 mm (1.8 in)	48 of 100 (Notable)
Rochford 2 WNW	United States	Record daily precipitation	56.1 mm (2.2 in)	48 of 100 (Notable)
Amiandos	Cyprus	Record daily precipitation	65.0 mm (2.6 in)	47 of 100 (Notable)
Uman	Ukraine	Record high maximum temperature	28.8 C (83.8 F)	47 of 100 (Notable)
Ojai	United States	Record daily precipitation	67.8 mm (2.7 in)	47 of 100 (Notable)
W Pt	United States	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Prospect 2 SW	United States	Record daily precipitation	42.9 mm (1.7 in)	47 of 100 (Notable)
Undoolya	Australia	Record daily precipitation	43.8 mm (1.7 in)	46 of 100 (Notable)
Covina City Yard Fc387B	United States	Record daily precipitation	55.1 mm (2.2 in)	46 of 100 (Notable)
Rye Patch Dam	United States	Record daily precipitation	26.2 mm (1.0 in)	46 of 100 (Notable)
Emporia 1 WNW	United States	Record daily precipitation	58.9 mm (2.3 in)	46 of 100 (Notable)
Farmville	United States	Record daily precipitation	32.8 mm (1.3 in)	46 of 100 (Notable)
Yoder 5 W	United States	Record daily precipitation	29.7 mm (1.2 in)	46 of 100 (Notable)
Bhubaneswar	India	Record daily precipitation	27.9 mm (1.1 in)	45 of 100 (Notable)
Fairmont	United States	Record daily precipitation	43.4 mm (1.7 in)	45 of 100 (Notable)
Hanford 1 S	United States	Record low maximum temperature	12.2 C (54.0 F)	45 of 100 (Notable)
San Bernardino F S 226	United States	Record daily precipitation	29.5 mm (1.2 in)	45 of 100 (Notable)
Union 3 SSE	United States	Record daily precipitation	37.6 mm (1.5 in)	45 of 100 (Notable)
Blacksburg Nwso	United States	Record daily precipitation	49.3 mm (1.9 in)	44 of 100 (Notable)
Pedlar Dam	United States	Record daily precipitation	63.5 mm (2.5 in)	44 of 100 (Notable)
Moorestown 4 E	United States	Record low maximum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Saugus Pwr Plt 1	United States	Record daily precipitation	45.2 mm (1.8 in)	42 of 100 (Notable)
Plant City	United States	Record high minimum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Princess Anne	United States	Record daily precipitation	47.5 mm (1.9 in)	42 of 100 (Notable)
Blina	Australia	Record daily precipitation	51.4 mm (2.0 in)	41 of 100 (Notable)
Henshaw Dam	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Nevada City	United States	Record low maximum temperature	7.2 C (45.0 F)	41 of 100 (Notable)
Jackson	United States	Record daily precipitation	39.6 mm (1.6 in)	41 of 100 (Notable)
Pleasant Mt 1 W	United States	Record daily precipitation	34.5 mm (1.4 in)	41 of 100 (Notable)
Amelia Courthouse	United States	Record daily precipitation	46.5 mm (1.8 in)	41 of 100 (Notable)
Buchanan	United States	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Marlinton	United States	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Jalapa del Marques	Mexico	Record low minimum temperature	12.2 C (54.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

912 records

Records set or tied on 18 April 2000 by type: Highest daily maximum 240, Lowest daily maximum 109, Highest daily minimum 141, Lowest daily minimum 58, Heaviest daily rainfall 350, Heaviest daily snowfall 9, Deepest snow cover 5.

Records on 18 April 2000 by type
Record type	Records
Highest daily maximum	240
Lowest daily maximum	109
Highest daily minimum	141
Lowest daily minimum	58
Heaviest daily rainfall	350
Heaviest daily snowfall	9
Deepest snow cover	5

Records on 18 April 2000 by timescale: all-time 1, monthly 36, daily 875.

How Much Records Were Beaten By

722 broken records

Margins by which the 722 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 120.0. Ties are not counted.

Top 20 by Significance

18 April 2000

Top 20 records on 18 April 2000 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 2000	Medford Exp STN, US	monthly rain	47.5 mm (1.9 in)	19.3 mm (0.8 in)	56 years	73 of 100 (Major)
18 April 2000	San Gabriel Canyon Ph, US	daily rain	72.4 mm (2.9 in)	47.5 mm (1.9 in)	77 years	68 of 100 (Major)
18 April 2000	Powhatan, US	daily rain	66.0 mm (2.6 in)	41.4 mm (1.6 in)	76 years	67 of 100 (Major)
18 April 2000	Peak Hill, AU	daily rain	38.0 mm (1.5 in)	30.4 mm (1.2 in)	78 years	63 of 100 (Major)
18 April 2000	Blackfoot Fire Dept, US	monthly rain	52.6 mm (2.1 in)	14.0 mm (0.6 in)	36 years	62 of 100 (Major)
18 April 2000	Makaweli 965, US	daily low max	21.7 C (71.1 F)	3.9 C (7.0 F)	70 years	59 of 100 (Notable)
18 April 2000	Lexington, US	daily rain	50.8 mm (2.0 in)	18.3 mm (0.7 in)	100 years	58 of 100 (Notable)
18 April 2000	Wytheville, US	daily rain	40.4 mm (1.6 in)	24.4 mm (1.0 in)	67 years	56 of 100 (Notable)
18 April 2000	Arltunga, AU	daily rain	25.8 mm (1.0 in)	19.7 mm (0.8 in)	96 years	54 of 100 (Notable)
18 April 2000	Lemon Cove, US	daily rain	33.0 mm (1.3 in)	15.0 mm (0.6 in)	96 years	54 of 100 (Notable)
18 April 2000	Upton 13 SW, US	daily rain	40.9 mm (1.6 in)	26.4 mm (1.0 in)	30 years	54 of 100 (Notable)
18 April 2000	Little Port Walter, US	daily rain	158.2 mm (6.2 in)	99.0 mm (3.9 in)	29 years	54 of 100 (Notable)
18 April 2000	Idaho Falls - Kifi, US	daily rain	26.9 mm (1.1 in)	22.8 mm (0.9 in)	31 years	53 of 100 (Notable)
18 April 2000	Paisley, US	monthly rain	32.0 mm (1.3 in)	4.6 mm (0.18 in)	67 years	53 of 100 (Notable)
18 April 2000	Staunton Wtp, US	daily rain	39.4 mm (1.6 in)	23.7 mm (0.9 in)	66 years	53 of 100 (Notable)
18 April 2000	Julian Cdf, US	daily rain	25.4 mm (1.0 in)	20.3 mm (0.8 in)	87 years	51 of 100 (Notable)
18 April 2000	Ventura, US	daily rain	60.5 mm (2.4 in)	39.4 mm (1.6 in)	17 years	51 of 100 (Notable)
18 April 2000	Scottsbluff W B Heilig Fld AP, US	daily rain	39.4 mm (1.6 in)	24.4 mm (1.0 in)	30 years	51 of 100 (Notable)
18 April 2000	Harrison, US	daily rain	50.8 mm (2.0 in)	15.2 mm (0.6 in)	80 years	50 of 100 (Notable)
18 April 2000	Klamath Falls 2 SSW, US	monthly rain	29.2 mm (1.1 in)	5.8 mm (0.23 in)	48 years	50 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 2000

Records set or tied on this calendar date in each year from 1793 to 2000. 2000 had 912 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 2000-04-18: 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 2026-10-16 (16 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	654
20 to 40	52
40 to 60	10
60 to 80	3
80 to 100	2
100 to 120	1