Weather Records on 20 April 2002

1,081 weather records were set or tied worldwide on 20 April 2002. Highest significance: Ensenada 1 W, PR.

Key Facts for 20 April 2002

On 20 April 2002, 1,081 weather records were set or tied at long-record stations worldwide.
834 were record highs and 103 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 37 monthly and 1,040 daily.
Ensenada 1 W set a daily record precipitation of 64.8 mm (2.6 in) on 20 April 2002.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 458 records.

Record Map

1,081 stations

1,081 station records on 20 April 2002 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 2002: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ensenada 1 W	Puerto Rico [United States]	Record daily precipitation	64.8 mm (2.6 in)	53 of 100 (Notable)
Temascalcingo	Mexico	Record high minimum temperature	18.9 C (66.0 F)	51 of 100 (Notable)
Alsvag I Versteralen II	Norway	Record daily precipitation	39.0 mm (1.5 in)	50 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
Alpine	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Frederick Police Brks	United States	Record high minimum temperature	20.0 C (68.0 F)	46 of 100 (Notable)
Kanosh	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Waverly	United States	Record high maximum temperature	30.6 C (87.1 F)	45 of 100 (Notable)
Snake Creek Powerhouse	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Newman	United States	Record low minimum temperature	-4.4 C (24.1 F)	43 of 100 (Notable)
Oakley	United States	Record daily snowfall	10.2 cm (4.0 in)	42 of 100 (Notable)
Mt Olive 1 E	United States	Record daily precipitation	56.6 mm (2.2 in)	42 of 100 (Notable)
Oneonta	United States	Record high maximum temperature	32.2 C (90.0 F)	41 of 100 (Notable)
Dover	United States	Record high minimum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Alton - Melvin Price L&D	United States	Record daily precipitation	28.7 mm (1.1 in)	41 of 100 (Notable)
Freehold-Marlboro	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Little Mtn	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Galway	Ireland	Record high minimum temperature	10.7 C (51.3 F)	40 of 100 (Notable)
Bellefontaine	United States	Record high maximum temperature	28.3 C (82.9 F)	40 of 100 (Notable)
Santuck	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
De Smet	United States	Record low minimum temperature	-10.0 C (14.0 F)	40 of 100 (Notable)
Sewanee	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Lattakia	Syria	Record low minimum temperature	0.0 C (32.0 F)	39 of 100 (Notable)
W Pt	United States	Record high maximum temperature	32.8 C (91.0 F)	39 of 100 (Notable)
St Charles Elm Pt	United States	Record daily precipitation	55.6 mm (2.2 in)	39 of 100 (Notable)
Rolla Missouri S&T	United States	Record daily precipitation	77.0 mm (3.0 in)	38 of 100 (Notable)
Bridgeport	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Greensburg	United States	Record high maximum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
W Lafayette 6 NW	United States	Record high maximum temperature	30.0 C (86.0 F)	37 of 100 (Notable)
Cape May 2 NW	United States	Record high minimum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Wooster Exp STN	United States	Record high maximum temperature	28.9 C (84.0 F)	37 of 100 (Notable)
Conway	United States	Record high minimum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Lebanon	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Dublin	United States	Record high minimum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Washington 2 ESE	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Farmland 5 NNW	United States	Record high maximum temperature	29.4 C (84.9 F)	36 of 100 (Notable)
Kokomo 3 WSW	United States	Record high maximum temperature	29.4 C (84.9 F)	36 of 100 (Notable)
Paoli	United States	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Setauket Strong	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Jackson 3 NW	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Crossville Ed & Rsch STN	United States	Record high minimum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Mc Minnville	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Pavillion	United States	Record low maximum temperature	-1.1 C (30.0 F)	36 of 100 (Notable)
Tok	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Knoxville AP	United States	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Knoxville AP	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Valdez WSO	United States	Record daily snowfall	16.8 cm (6.6 in)	36 of 100 (Notable)
Waterford (Tycor)	Ireland	Record daily precipitation	31.2 mm (1.2 in)	35 of 100 (Notable)
Krakmo	Norway	Record daily precipitation	33.2 mm (1.3 in)	35 of 100 (Notable)
San Lorenzo 1SW	Puerto Rico [United States]	Record daily precipitation	52.1 mm (2.1 in)	35 of 100 (Notable)
Cave Run Lake	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Williamstown	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Moorhead	United States	Record high minimum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Ripley Exp Farm	United States	Record daily precipitation	40.4 mm (1.6 in)	35 of 100 (Notable)
Laurens	United States	Record high maximum temperature	33.3 C (91.9 F)	35 of 100 (Notable)
Yemassee 1 N	United States	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Wilhelmina Rise 721	United States	Record daily precipitation	56.4 mm (2.2 in)	35 of 100 (Notable)
Andoya	Norway	Record daily precipitation	25.5 mm (1.0 in)	34 of 100 (Routine)
Haleyville	United States	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Canistear Rsvr	United States	Record daily precipitation	61.2 mm (2.4 in)	34 of 100 (Routine)

Counts by Type and Timescale

1,081 records

Records set or tied on 20 April 2002 by type: Highest daily maximum 367, Lowest daily maximum 59, Highest daily minimum 467, Lowest daily minimum 44, Heaviest daily rainfall 91, Heaviest daily snowfall 33, Deepest snow cover 20.

Records on 20 April 2002 by type
Record type	Records
Highest daily maximum	367
Lowest daily maximum	59
Highest daily minimum	467
Lowest daily minimum	44
Heaviest daily rainfall	91
Heaviest daily snowfall	33
Deepest snow cover	20

Records on 20 April 2002 by timescale: all-time 4, monthly 37, daily 1,040.

How Much Records Were Beaten By

715 broken records

Margins by which the 715 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

20 April 2002

Top 20 records on 20 April 2002 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 2002	Ensenada 1 W, PR	daily rain	64.8 mm (2.6 in)	48.0 mm (1.9 in)	47 years	53 of 100 (Notable)
20 April 2002	Temascalcingo, MX	daily high min	18.9 C (66.0 F)	8.3 C (14.9 F)	36 years	51 of 100 (Notable)
20 April 2002	Alsvag I Versteralen II, NO	daily rain	39.0 mm (1.5 in)	20.4 mm (0.8 in)	29 years	50 of 100 (Notable)
20 April 2002	Hillsboro, US	daily rain	42.2 mm (1.7 in)	16.0 mm (0.6 in)	84 years	48 of 100 (Notable)
20 April 2002	Alpine, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	100 years	47 of 100 (Notable)
20 April 2002	Frederick Police Brks, US	daily high min	20.0 C (68.0 F)	3.3 C (5.9 F)	105 years	46 of 100 (Notable)
20 April 2002	Kanosh, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	81 years	46 of 100 (Notable)
20 April 2002	Waverly, US	daily high max	30.6 C (87.1 F)	3.4 C (6.1 F)	105 years	45 of 100 (Notable)
20 April 2002	Snake Creek Powerhouse, US	daily snowfall	12.7 cm (5.0 in)	6.3 cm (2.5 in)	81 years	44 of 100 (Notable)
20 April 2002	Newman, US	daily low min	-4.4 C (24.1 F)	3.3 C (5.9 F)	80 years	43 of 100 (Notable)
20 April 2002	Oakley, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	79 years	42 of 100 (Notable)
20 April 2002	Mt Olive 1 E, US	daily rain	56.6 mm (2.2 in)	33.7 mm (1.3 in)	36 years	42 of 100 (Notable)
20 April 2002	Oneonta, US	daily high max	32.2 C (90.0 F)	0.5 C (0.9 F)	105 years	41 of 100 (Notable)
20 April 2002	Dover, US	daily high min	19.4 C (66.9 F)	0.5 C (0.9 F)	105 years	41 of 100 (Notable)
20 April 2002	Alton - Melvin Price L&D, US	daily rain	28.7 mm (1.1 in)	2.3 mm (0.09 in)	108 years	41 of 100 (Notable)
20 April 2002	Freehold-Marlboro, US	daily high min	16.1 C (61.0 F)	0.5 C (0.9 F)	105 years	41 of 100 (Notable)
20 April 2002	Little Mtn, US	daily high min	18.3 C (64.9 F)	0.5 C (0.9 F)	101 years	41 of 100 (Notable)
20 April 2002	Galway, IE	daily high min	10.7 C (51.3 F)	0.1 C (0.2 F)	108 years	40 of 100 (Notable)
20 April 2002	Bellefontaine, US	daily high max	28.3 C (82.9 F)	0.5 C (0.9 F)	105 years	40 of 100 (Notable)
20 April 2002	Santuck, US	daily high min	18.3 C (64.9 F)	0.5 C (0.9 F)	101 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

1807 to 2002

Records set or tied on this calendar date in each year from 1807 to 2002. 2002 had 1,081 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 2002-04-20: 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	697
50 to 100	14
100 to 150	3
150 to 200	0
200 to 250	1