Weather Records on 9 April 2001

1,947 weather records were set or tied worldwide on 9 April 2001. Highest significance: Sundance, US.

Key Facts for 9 April 2001

On 9 April 2001, 1,947 weather records were set or tied at long-record stations worldwide.
1,324 were record highs and 290 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 54 monthly and 1,893 daily.
Sundance set a daily record precipitation of 35.6 mm (1.4 in) on 9 April 2001.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 455 records.

Record Map

1,947 stations

1,947 station records on 9 April 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 April 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sundance	United States	Record daily precipitation	35.6 mm (1.4 in)	61 of 100 (Major)
Grant City	United States	Record daily precipitation	61.0 mm (2.4 in)	59 of 100 (Notable)
Prilep	Macedonia	Record daily precipitation	37.9 mm (1.5 in)	52 of 100 (Notable)
Dayton Mcd	United States	Record high minimum temperature	20.0 C (68.0 F)	51 of 100 (Notable)
Beaconsfield 3N	United States	Record daily precipitation	52.6 mm (2.1 in)	50 of 100 (Notable)
Busby	United States	Record daily precipitation	36.8 mm (1.4 in)	50 of 100 (Notable)
Marion 2 N	United States	Record daily precipitation	51.3 mm (2.0 in)	49 of 100 (Notable)
1 WSW Princeton	United States	Record high maximum temperature	33.3 C (91.9 F)	49 of 100 (Notable)
Myton	United States	Record daily snowfall	7.6 cm (3.0 in)	48 of 100 (Notable)
Reserve Rs	United States	Record daily precipitation	34.5 mm (1.4 in)	47 of 100 (Notable)
Rockville	United States	Record high minimum temperature	20.0 C (68.0 F)	46 of 100 (Notable)
Hysham	United States	Record daily precipitation	36.1 mm (1.4 in)	46 of 100 (Notable)
Ashland Exp Farm	United States	Record daily precipitation	34.5 mm (1.4 in)	46 of 100 (Notable)
Sabana Grande 2 ENE	Puerto Rico [United States]	Record daily precipitation	46.2 mm (1.8 in)	45 of 100 (Notable)
Anderson 1 N	United States	Record high minimum temperature	17.8 C (64.0 F)	45 of 100 (Notable)
Mound City	United States	Record daily precipitation	63.5 mm (2.5 in)	45 of 100 (Notable)
Mt Ayr	United States	Record daily precipitation	49.3 mm (1.9 in)	44 of 100 (Notable)
Hooker 12 NNW	United States	Record snow depth	68.6 cm (27.0 in)	44 of 100 (Notable)
Flora 5 NW	United States	Record high minimum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Oolitic Purdue Ex Fm	United States	Record high minimum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Sterling	United States	Record daily precipitation	45.5 mm (1.8 in)	43 of 100 (Notable)
Raleigh State UNIV	United States	Record high minimum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Belgrade (Observatory)	Serbia	Record daily precipitation	29.8 mm (1.2 in)	42 of 100 (Notable)
Champaign 3S	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Smithfield	United States	Record high minimum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Velikie Luki	Russia	Record high maximum temperature	18.6 C (65.5 F)	41 of 100 (Notable)
Pajala	Sweden	Record daily precipitation	28.9 mm (1.1 in)	41 of 100 (Notable)
Newport	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Pine Bluff	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Rico	United States	Record low maximum temperature	2.2 C (36.0 F)	41 of 100 (Notable)
Cambridge	United States	Record low minimum temperature	-7.2 C (19.0 F)	41 of 100 (Notable)
Olney 2S	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Lakeport 2	United States	Record snow depth	35.6 cm (14.0 in)	41 of 100 (Notable)
Lima Wwtp	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
New Cumberland L/D	United States	Record high maximum temperature	28.3 C (82.9 F)	41 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record daily precipitation	35.3 mm (1.4 in)	40 of 100 (Notable)
St. Petersburg	Russia	Record high maximum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Gravette	United States	Record high maximum temperature	30.6 C (87.1 F)	40 of 100 (Notable)
Carbondale Sewage Plt	United States	Record high minimum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
Hoopeston	United States	Record high minimum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Palestine	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Delphi 2 N	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Salem	United States	Record high minimum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Scottsburg	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Bolivar 1 NE	United States	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Ennis	United States	Record daily snowfall	5.1 cm (2.0 in)	40 of 100 (Notable)
Hanover	United States	Record snow depth	45.7 cm (18.0 in)	40 of 100 (Notable)
Hohenwald	United States	Record high maximum temperature	29.4 C (84.9 F)	40 of 100 (Notable)
Saint Johnsbury	United States	Record snow depth	38.1 cm (15.0 in)	40 of 100 (Notable)
Chichijima	Japan	Record daily precipitation	91.4 mm (3.6 in)	39 of 100 (Notable)
Columbus	United States	Record high maximum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
W Lafayette 6 NW	United States	Record high maximum temperature	28.9 C (84.0 F)	39 of 100 (Notable)
Williamstown	United States	Record high maximum temperature	31.7 C (89.1 F)	39 of 100 (Notable)
Mtn Grove 2 N	United States	Record high maximum temperature	30.6 C (87.1 F)	39 of 100 (Notable)
Steffenville	United States	Record high maximum temperature	30.6 C (87.1 F)	39 of 100 (Notable)
Pulaski 2 E	United States	Record high minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Springfield Abraham Lincoln Ca	United States	Record high maximum temperature	30.6 C (87.1 F)	39 of 100 (Notable)
Maybell	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Maybell	United States	Record snow depth	10.2 cm (4.0 in)	38 of 100 (Notable)
American Falls 6 NE	United States	Record low minimum temperature	-7.8 C (18.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,947 records

Records set or tied on 9 April 2001 by type: Highest daily maximum 644, Lowest daily maximum 136, Highest daily minimum 680, Lowest daily minimum 154, Heaviest daily rainfall 271, Heaviest daily snowfall 25, Deepest snow cover 37.

Records on 9 April 2001 by type
Record type	Records
Highest daily maximum	644
Lowest daily maximum	136
Highest daily minimum	680
Lowest daily minimum	154
Heaviest daily rainfall	271
Heaviest daily snowfall	25
Deepest snow cover	37

Records on 9 April 2001 by timescale: all-time 0, monthly 54, daily 1,893.

How Much Records Were Beaten By

1,498 broken records

Margins by which the 1,498 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 559.0. Ties are not counted.

Top 20 by Significance

9 April 2001

Top 20 records on 9 April 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 April 2001	Sundance, US	daily rain	35.6 mm (1.4 in)	22.1 mm (0.9 in)	58 years	61 of 100 (Major)
9 April 2001	Grant City, US	daily rain	61.0 mm (2.4 in)	25.4 mm (1.0 in)	82 years	59 of 100 (Notable)
9 April 2001	Prilep, MK	daily rain	37.9 mm (1.5 in)	26.4 mm (1.0 in)	24 years	52 of 100 (Notable)
9 April 2001	Dayton Mcd, US	monthly high min	20.0 C (68.0 F)	0.6 C (1.1 F)	104 years	51 of 100 (Notable)
9 April 2001	Beaconsfield 3N, US	daily rain	52.6 mm (2.1 in)	34.8 mm (1.4 in)	28 years	50 of 100 (Notable)
9 April 2001	Busby, US	daily rain	36.8 mm (1.4 in)	25.6 mm (1.0 in)	6 years	50 of 100 (Notable)
9 April 2001	Marion 2 N, US	daily rain	51.3 mm (2.0 in)	11.7 mm (0.5 in)	95 years	49 of 100 (Notable)
9 April 2001	1 WSW Princeton, US	monthly high max	33.3 C (91.9 F)	0.5 C (0.9 F)	99 years	49 of 100 (Notable)
9 April 2001	Myton, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	84 years	48 of 100 (Notable)
9 April 2001	Reserve Rs, US	daily rain	34.5 mm (1.4 in)	30.4 mm (1.2 in)	11 years	47 of 100 (Notable)
9 April 2001	Rockville, US	daily high min	20.0 C (68.0 F)	6.1 C (11.0 F)	86 years	46 of 100 (Notable)
9 April 2001	Hysham, US	daily rain	36.1 mm (1.4 in)	25.9 mm (1.0 in)	6 years	46 of 100 (Notable)
9 April 2001	Ashland Exp Farm, US	daily rain	34.5 mm (1.4 in)	11.6 mm (0.5 in)	79 years	46 of 100 (Notable)
9 April 2001	Sabana Grande 2 ENE, PR	daily rain	46.2 mm (1.8 in)	15.7 mm (0.6 in)	88 years	45 of 100 (Notable)
9 April 2001	Anderson 1 N, US	daily high min	17.8 C (64.0 F)	5.6 C (10.1 F)	86 years	45 of 100 (Notable)
9 April 2001	Mound City, US	daily rain	63.5 mm (2.5 in)	39.4 mm (1.6 in)	44 years	45 of 100 (Notable)
9 April 2001	Mt Ayr, US	daily rain	49.3 mm (1.9 in)	11.7 mm (0.5 in)	82 years	44 of 100 (Notable)
9 April 2001	Hooker 12 NNW, US	daily snow depth	68.6 cm (27.0 in)	55.9 cm (22.0 in)	4 years	44 of 100 (Notable)
9 April 2001	Flora 5 NW, US	daily high min	20.0 C (68.0 F)	5.0 C (9.0 F)	82 years	43 of 100 (Notable)
9 April 2001	Oolitic Purdue Ex Fm, US	daily high min	20.0 C (68.0 F)	5.6 C (10.1 F)	79 years	43 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 2001

Records set or tied on this calendar date in each year from 1793 to 2001. 2001 had 1,947 records.

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

Records on 04-09 in each year
Year	Records
1793	2
1798	1
1800	1
1805	1
1809	2
1812	2
1815	1
1818	1
1839	1
1842	2
1844	1
1846	1
1847	1
1849	1
1854	1
1856	1
1859	1
1862	1
1863	1
1864	1
1865	2
1866	2
1869	1
1871	2
1873	1
1877	1
1883	1
1884	1
1885	3
1886	1
1887	1
1888	3
1889	1
1890	7
1892	1
1893	1
1894	2
1895	4
1896	1
1897	3
1898	3
1899	9
1900	3
1901	8
1902	8
1903	12
1904	15
1905	21
1906	20
1907	21
1908	28
1909	25
1910	19
1911	21
1912	51
1913	16
1914	41
1915	89
1916	85
1917	105
1918	29
1919	67
1920	56
1921	114
1922	140
1923	79
1924	353
1925	129
1926	83
1927	260
1928	395
1929	402
1930	430
1931	193
1932	119
1933	320
1934	310
1935	398
1936	151
1937	172
1938	378
1939	282
1940	214
1941	297
1942	432
1943	752
1944	564
1945	1,055
1946	335
1947	174
1948	365
1949	179
1950	750
1951	304
1952	578
1953	638
1954	239
1955	484
1956	371
1957	502
1958	294
1959	634
1960	623
1961	879
1962	344
1963	390
1964	645
1965	651
1966	466
1967	743
1968	669
1969	898
1970	489
1971	576
1972	1,200
1973	1,695
1974	972
1975	968
1976	347
1977	1,693
1978	921
1979	855
1980	911
1981	785
1982	1,923
1983	1,170
1984	904
1985	1,424
1986	620
1987	604
1988	737
1989	1,402
1990	888
1991	1,545
1992	641
1993	687
1994	511
1995	1,296
1996	1,547
1997	2,686
1998	1,018
1999	1,848
2000	997
2001	1,947
2002	590
2003	1,781
2004	572
2005	998
2006	603
2007	1,412
2008	1,029
2009	802
2010	652
2011	1,480
2012	640
2013	1,245
2014	592
2015	664
2016	974
2017	759
2018	1,306
2019	716
2020	916
2021	642
2022	574
2023	512
2024	1,093
2025	530
2026	517

Download the Data

Data for records on 2001-04-09: 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	1,479
100 to 200	13
200 to 300	4
300 to 400	0
400 to 500	1
500 to 600	1