Weather Records on 18 April 2002

2,084 weather records were set or tied worldwide on 18 April 2002. Highest significance: Holter Dam, US.

Key Facts for 18 April 2002

On 18 April 2002, 2,084 weather records were set or tied at long-record stations worldwide.
1,515 were record highs and 151 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 190 monthly and 1,893 daily.
Holter Dam set a daily record snowfall of 10.2 cm (4.0 in) on 18 April 2002.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

2,000 stations, highest significance shown

2,000 station records on 18 April 2002 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 2002: highest significance records shown on the map
Station	Country	Type	Value	Significance
Holter Dam	United States	Record daily snowfall	10.2 cm (4.0 in)	65 of 100 (Major)
Plevna	United States	Record daily snowfall	15.2 cm (6.0 in)	63 of 100 (Major)
Rhinelander	United States	Record daily precipitation	77.5 mm (3.1 in)	61 of 100 (Major)
Merredin	Australia	Record daily precipitation	44.4 mm (1.7 in)	59 of 100 (Notable)
Salisbury (Barrington Wilderne	Australia	Record daily precipitation	82.6 mm (3.3 in)	56 of 100 (Notable)
Anaconda	United States	Record daily snowfall	11.2 cm (4.4 in)	56 of 100 (Notable)
Boonton 1 SE	United States	Record high minimum temperature	20.0 C (68.0 F)	56 of 100 (Notable)
Busby	United States	Record daily snowfall	20.3 cm (8.0 in)	55 of 100 (Notable)
Temascalcingo	Mexico	Record high minimum temperature	17.8 C (64.0 F)	53 of 100 (Notable)
Dalyup Park	Australia	Record daily precipitation	28.2 mm (1.1 in)	52 of 100 (Notable)
Cape May 2 NW	United States	Record high minimum temperature	18.3 C (64.9 F)	52 of 100 (Notable)
W Pt	United States	Record high minimum temperature	20.6 C (69.1 F)	52 of 100 (Notable)
Lindenow	Australia	Record daily precipitation	61.8 mm (2.4 in)	51 of 100 (Notable)
Marion 2 N	United States	Record high minimum temperature	18.9 C (66.0 F)	51 of 100 (Notable)
Big Rapids Wtp	United States	Record high maximum temperature	31.7 C (89.1 F)	51 of 100 (Notable)
Hightstown 2 W	United States	Record high maximum temperature	35.0 C (95.0 F)	51 of 100 (Notable)
Marmarth	United States	Record daily precipitation	35.6 mm (1.4 in)	51 of 100 (Notable)
Farmville	United States	Record high maximum temperature	35.6 C (96.1 F)	51 of 100 (Notable)
Delta	United States	Record daily snowfall	8.6 cm (3.4 in)	51 of 100 (Notable)
Baker	United States	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Glendive	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Burlington Muni AP	United States	Record high minimum temperature	19.4 C (66.9 F)	50 of 100 (Notable)
San Juan del Rio	Mexico	Record high minimum temperature	25.0 C (77.0 F)	49 of 100 (Notable)
Ft Madison	United States	Record high minimum temperature	20.6 C (69.1 F)	49 of 100 (Notable)
Brandenberg	United States	Record daily snowfall	27.9 cm (11.0 in)	48 of 100 (Notable)
Chanute Martin Johnson AP	United States	Record high minimum temperature	21.7 C (71.1 F)	48 of 100 (Notable)
Ekalaka	United States	Record daily snowfall	11.4 cm (4.5 in)	47 of 100 (Notable)
Indian Lake 2SW	United States	Record high minimum temperature	14.4 C (57.9 F)	47 of 100 (Notable)
Marmarth	United States	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Enosburg Falls	United States	Record high minimum temperature	12.8 C (55.0 F)	47 of 100 (Notable)
Iowa City	United States	Record high minimum temperature	19.4 C (66.9 F)	46 of 100 (Notable)
Middletown 2 NW	United States	Record high minimum temperature	18.9 C (66.0 F)	46 of 100 (Notable)
Oberlin	United States	Record high minimum temperature	18.9 C (66.0 F)	46 of 100 (Notable)
Mt Clemens Ang Base	United States	Record high minimum temperature	13.3 C (55.9 F)	46 of 100 (Notable)
Erinair	Australia	Record daily precipitation	34.0 mm (1.3 in)	45 of 100 (Notable)
Sarsfield East	Australia	Record daily precipitation	70.0 mm (2.8 in)	45 of 100 (Notable)
Princess Anne	United States	Record high minimum temperature	18.3 C (64.9 F)	45 of 100 (Notable)
Powderville 8 NNE	United States	Record snow depth	12.7 cm (5.0 in)	45 of 100 (Notable)
Nashua 2 NNW	United States	Record high minimum temperature	12.2 C (54.0 F)	45 of 100 (Notable)
Wanakena Rngr School	United States	Record high maximum temperature	29.4 C (84.9 F)	45 of 100 (Notable)
Findlay Wpcc	United States	Record high minimum temperature	17.2 C (63.0 F)	45 of 100 (Notable)
Staunton Wtp	United States	Record high minimum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Bull Camel	Australia	Record daily precipitation	48.0 mm (1.9 in)	44 of 100 (Notable)
Dover	United States	Record high minimum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Waynesboro 2 S	United States	Record high maximum temperature	33.3 C (91.9 F)	44 of 100 (Notable)
Aurora Water	United States	Record high minimum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Adrian 2 NNE	United States	Record high minimum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
Grafton	United States	Record high minimum temperature	9.4 C (48.9 F)	44 of 100 (Notable)
Defiance	United States	Record high minimum temperature	17.8 C (64.0 F)	44 of 100 (Notable)
Kenton	United States	Record high minimum temperature	16.7 C (62.1 F)	44 of 100 (Notable)
State College	United States	Record high minimum temperature	17.2 C (63.0 F)	44 of 100 (Notable)
Saint Johnsbury	United States	Record high minimum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Asheville	United States	Record high minimum temperature	17.8 C (64.0 F)	44 of 100 (Notable)
Krambach (Tipperary)	Australia	Record daily precipitation	64.0 mm (2.5 in)	43 of 100 (Notable)
Lawrence	United States	Record high minimum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Benton Harbor AP	United States	Record high maximum temperature	31.1 C (88.0 F)	43 of 100 (Notable)
Frankfort 2NE	United States	Record high minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Moorestown 4 E	United States	Record high minimum temperature	16.7 C (62.1 F)	43 of 100 (Notable)
Sussex 1 NW	United States	Record high minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Towanda 1 S	United States	Record high maximum temperature	32.8 C (91.0 F)	43 of 100 (Notable)

Counts by Type and Timescale

2,084 records

Records set or tied on 18 April 2002 by type: Highest daily maximum 650, Lowest daily maximum 79, Highest daily minimum 865, Lowest daily minimum 72, Heaviest daily rainfall 322, Heaviest daily snowfall 64, Deepest snow cover 32.

Records on 18 April 2002 by type
Record type	Records
Highest daily maximum	650
Lowest daily maximum	79
Highest daily minimum	865
Lowest daily minimum	72
Heaviest daily rainfall	322
Heaviest daily snowfall	64
Deepest snow cover	32

Records on 18 April 2002 by timescale: all-time 1, monthly 190, daily 1,893.

How Much Records Were Beaten By

1,534 broken records

Margins by which the 1,534 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 2002

Top 20 records on 18 April 2002 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 2002	Holter Dam, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	99 years	65 of 100 (Major)
18 April 2002	Plevna, US	daily snowfall	15.2 cm (6.0 in)	12.9 cm (5.1 in)	84 years	63 of 100 (Major)
18 April 2002	Rhinelander, US	monthly rain	77.5 mm (3.1 in)	26.7 mm (1.1 in)	17 years	61 of 100 (Major)
18 April 2002	Merredin, AU	daily rain	44.4 mm (1.7 in)	19.5 mm (0.8 in)	83 years	59 of 100 (Notable)
18 April 2002	Salisbury (Barrington Wilderne, AU	daily rain	82.6 mm (3.3 in)	68.9 mm (2.7 in)	40 years	56 of 100 (Notable)
18 April 2002	Anaconda, US	daily snowfall	11.2 cm (4.4 in)	7.9 cm (3.1 in)	84 years	56 of 100 (Notable)
18 April 2002	Boonton 1 SE, US	monthly high min	20.0 C (68.0 F)	2.8 C (5.0 F)	105 years	56 of 100 (Notable)
18 April 2002	Busby, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	92 years	55 of 100 (Notable)
18 April 2002	Temascalcingo, MX	daily high min	17.8 C (64.0 F)	8.9 C (16.0 F)	36 years	53 of 100 (Notable)
18 April 2002	Dalyup Park, AU	daily rain	28.2 mm (1.1 in)	16.5 mm (0.6 in)	72 years	52 of 100 (Notable)
18 April 2002	Cape May 2 NW, US	monthly high min	18.3 C (64.9 F)	2.2 C (4.0 F)	86 years	52 of 100 (Notable)
18 April 2002	W Pt, US	monthly high min	20.6 C (69.1 F)	2.8 C (5.0 F)	86 years	52 of 100 (Notable)
18 April 2002	Lindenow, AU	daily rain	61.8 mm (2.4 in)	40.0 mm (1.6 in)	5 years	51 of 100 (Notable)
18 April 2002	Marion 2 N, US	monthly high min	18.9 C (66.0 F)	0.6 C (1.1 F)	105 years	51 of 100 (Notable)
18 April 2002	Big Rapids Wtp, US	monthly high max	31.7 C (89.1 F)	1.1 C (2.0 F)	102 years	51 of 100 (Notable)
18 April 2002	Hightstown 2 W, US	monthly high max	35.0 C (95.0 F)	0.6 C (1.1 F)	105 years	51 of 100 (Notable)
18 April 2002	Marmarth, US	daily rain	35.6 mm (1.4 in)	28.7 mm (1.1 in)	31 years	51 of 100 (Notable)
18 April 2002	Farmville, US	monthly high max	35.6 C (96.1 F)	0.6 C (1.1 F)	104 years	51 of 100 (Notable)
18 April 2002	Delta, US	daily snowfall	8.6 cm (3.4 in)	8.6 cm (3.4 in)	63 years	51 of 100 (Notable)
18 April 2002	Gorya Valley, AU	daily rain	20.5 mm (0.8 in)	15.4 mm (0.6 in)	51 years	20 of 100 (Routine)

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 2002

Records set or tied on this calendar date in each year from 1793 to 2002. 2002 had 2,084 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 2002-04-18: 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 50	1,495
50 to 100	24
100 to 150	7
150 to 200	5
200 to 250	2
250 to 300	1