Weather Records on 9 April 2018

1,306 weather records were set or tied worldwide on 9 April 2018. Highest significance: Chester, US.

Key Facts for 9 April 2018

On 9 April 2018, 1,306 weather records were set or tied at long-record stations worldwide.
530 were record highs and 332 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 39 monthly and 1,267 daily.
Chester set a daily record snow depth of 30.5 cm (12.0 in) on 9 April 2018.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 459 records.

Record Map

1,306 stations

1,306 station records on 9 April 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 April 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chester	United States	Record snow depth	30.5 cm (12.0 in)	80 of 100 (Exceptional)
Volta Ph	United States	Record daily precipitation	66.3 mm (2.6 in)	75 of 100 (Major)
Gainesville Rgnl AP	United States	Record daily precipitation	125.7 mm (4.9 in)	69 of 100 (Major)
Sierraville Rs	United States	Record daily precipitation	32.8 mm (1.3 in)	56 of 100 (Notable)
Madison Wwtp	United States	Record daily snowfall	16.8 cm (6.6 in)	54 of 100 (Notable)
Matuku	Fiji	Record daily precipitation	142.5 mm (5.6 in)	53 of 100 (Notable)
Tartu-Toravere	Estonia	Record high maximum temperature	23.1 C (73.6 F)	52 of 100 (Notable)
Aledo	United States	Record daily snowfall	10.2 cm (4.0 in)	51 of 100 (Notable)
Hoburg	Sweden	Record high maximum temperature	18.9 C (66.0 F)	50 of 100 (Notable)
Climax	United States	Record daily snowfall	27.9 cm (11.0 in)	50 of 100 (Notable)
Aledo	United States	Record snow depth	10.2 cm (4.0 in)	50 of 100 (Notable)
Sibley	United States	Record daily snowfall	19.1 cm (7.5 in)	49 of 100 (Notable)
Bridgewater	United States	Record daily snowfall	11.4 cm (4.5 in)	49 of 100 (Notable)
Webster	United States	Record daily snowfall	14.0 cm (5.5 in)	48 of 100 (Notable)
Gladstone L/D 18	United States	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Charlevoix	United States	Record low minimum temperature	-10.6 C (12.9 F)	47 of 100 (Notable)
Bowdle	United States	Record snow depth	15.2 cm (6.0 in)	47 of 100 (Notable)
Kula Hospital 267	United States	Record daily precipitation	79.2 mm (3.1 in)	47 of 100 (Notable)
Lake Park 3SSE	United States	Record snow depth	12.7 cm (5.0 in)	46 of 100 (Notable)
Northwood	United States	Record daily snowfall	10.7 cm (4.2 in)	46 of 100 (Notable)
White Sulphur Springs	United States	Record daily snowfall	7.6 cm (3.0 in)	46 of 100 (Notable)
Adelaide West Terrace	Australia	Record high maximum temperature	36.3 C (97.3 F)	45 of 100 (Notable)
Waren	Germany	Record high maximum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Shimla	India	Record daily precipitation	26.9 mm (1.1 in)	45 of 100 (Notable)
Galva	United States	Record low minimum temperature	-10.0 C (14.0 F)	45 of 100 (Notable)
Sheldon	United States	Record daily snowfall	10.2 cm (4.0 in)	45 of 100 (Notable)
Sibley	United States	Record snow depth	17.8 cm (7.0 in)	45 of 100 (Notable)
Winnebago	United States	Record daily snowfall	11.4 cm (4.5 in)	45 of 100 (Notable)
Jackson	United States	Record low maximum temperature	6.1 C (43.0 F)	45 of 100 (Notable)
Poplar Bluff	United States	Record low maximum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Clear Lake	United States	Record daily snowfall	22.4 cm (8.8 in)	45 of 100 (Notable)
Greifswald	Germany	Record high maximum temperature	19.9 C (67.8 F)	44 of 100 (Notable)
Putbus	Germany	Record high maximum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Alicia 2 NNE	United States	Record low maximum temperature	6.7 C (44.1 F)	44 of 100 (Notable)
Lisbon	United States	Record snow depth	17.8 cm (7.0 in)	44 of 100 (Notable)
Miller	United States	Record daily snowfall	10.2 cm (4.0 in)	44 of 100 (Notable)
Schwerin	Germany	Record high maximum temperature	21.5 C (70.7 F)	43 of 100 (Notable)
Bamberg	Germany	Record high maximum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
N Fk Rs	United States	Record daily precipitation	59.9 mm (2.4 in)	43 of 100 (Notable)
Mason City	United States	Record daily snowfall	17.8 cm (7.0 in)	43 of 100 (Notable)
Spirit Lake	United States	Record low maximum temperature	-1.1 C (30.0 F)	43 of 100 (Notable)
Clear Lake	United States	Record low maximum temperature	-3.3 C (26.1 F)	43 of 100 (Notable)
Flandreau	United States	Record daily snowfall	11.9 cm (4.7 in)	43 of 100 (Notable)
Wien	Austria	Record high maximum temperature	25.4 C (77.7 F)	42 of 100 (Notable)
Parnu	Estonia	Record high maximum temperature	18.1 C (64.6 F)	42 of 100 (Notable)
Berlin-Dahlem	Germany	Record high maximum temperature	22.3 C (72.1 F)	42 of 100 (Notable)
Kaliningrad	Russia	Record high maximum temperature	22.0 C (71.6 F)	42 of 100 (Notable)
Gettysburg	United States	Record daily snowfall	10.7 cm (4.2 in)	42 of 100 (Notable)
Beloit	United States	Record low minimum temperature	-8.3 C (17.1 F)	42 of 100 (Notable)
Potsdam	Germany	Record high maximum temperature	22.4 C (72.3 F)	41 of 100 (Notable)
Angermunde	Germany	Record high maximum temperature	21.8 C (71.2 F)	41 of 100 (Notable)
Chemnitz	Germany	Record high maximum temperature	20.8 C (69.4 F)	41 of 100 (Notable)
Avon	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Lake Park 3SSE	United States	Record daily snowfall	12.4 cm (4.9 in)	41 of 100 (Notable)
Hernando	United States	Record low minimum temperature	-1.7 C (28.9 F)	41 of 100 (Notable)
Warrensburg 4NW	United States	Record low minimum temperature	-6.7 C (19.9 F)	41 of 100 (Notable)
Montrose	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Dodgeville Wwtp	United States	Record low minimum temperature	-10.6 C (12.9 F)	41 of 100 (Notable)
Watertown Rgnl AP	United States	Record snow depth	18.0 cm (7.1 in)	41 of 100 (Notable)
Kremsmuenster	Austria	Record high maximum temperature	25.9 C (78.6 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,306 records

Records set or tied on 9 April 2018 by type: Highest daily maximum 376, Lowest daily maximum 168, Highest daily minimum 154, Lowest daily minimum 164, Heaviest daily rainfall 102, Heaviest daily snowfall 164, Deepest snow cover 178.

Records on 9 April 2018 by type
Record type	Records
Highest daily maximum	376
Lowest daily maximum	168
Highest daily minimum	154
Lowest daily minimum	164
Heaviest daily rainfall	102
Heaviest daily snowfall	164
Deepest snow cover	178

Records on 9 April 2018 by timescale: all-time 0, monthly 39, daily 1,267.

How Much Records Were Beaten By

1,084 broken records

Margins by which the 1,084 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

9 April 2018

Top 20 records on 9 April 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 April 2018	Chester, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	107 years	80 of 100 (Exceptional)
9 April 2018	Volta Ph, US	daily rain	66.3 mm (2.6 in)	39.1 mm (1.5 in)	91 years	75 of 100 (Major)
9 April 2018	Gainesville Rgnl AP, US	monthly rain	125.7 mm (4.9 in)	54.3 mm (2.1 in)	53 years	69 of 100 (Major)
9 April 2018	Sierraville Rs, US	daily rain	32.8 mm (1.3 in)	14.3 mm (0.6 in)	100 years	56 of 100 (Notable)
9 April 2018	Madison Wwtp, US	daily snowfall	16.8 cm (6.6 in)	16.8 cm (6.6 in)	76 years	54 of 100 (Notable)
9 April 2018	Matuku, FJ	daily rain	142.5 mm (5.6 in)	86.3 mm (3.4 in)	36 years	53 of 100 (Notable)
9 April 2018	Tartu-Toravere, EE	daily high max	23.1 C (73.6 F)	8.4 C (15.1 F)	92 years	52 of 100 (Notable)
9 April 2018	Aledo, US	daily snowfall	10.2 cm (4.0 in)	6.9 cm (2.7 in)	95 years	51 of 100 (Notable)
9 April 2018	Hoburg, SE	daily high max	18.9 C (66.0 F)	6.9 C (12.4 F)	72 years	50 of 100 (Notable)
9 April 2018	Climax, US	daily snowfall	27.9 cm (11.0 in)	7.6 cm (3.0 in)	121 years	50 of 100 (Notable)
9 April 2018	Aledo, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	116 years	50 of 100 (Notable)
9 April 2018	Sibley, US	daily snowfall	19.1 cm (7.5 in)	4.6 cm (1.8 in)	104 years	49 of 100 (Notable)
9 April 2018	Bridgewater, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	69 years	49 of 100 (Notable)
9 April 2018	Webster, US	daily snowfall	14.0 cm (5.5 in)	5.1 cm (2.0 in)	123 years	48 of 100 (Notable)
9 April 2018	Gladstone L/D 18, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	80 years	47 of 100 (Notable)
9 April 2018	Charlevoix, US	daily low min	-10.6 C (12.9 F)	2.8 C (5.0 F)	100 years	47 of 100 (Notable)
9 April 2018	Bowdle, US	daily snow depth	15.2 cm (6.0 in)	12.7 cm (5.0 in)	68 years	47 of 100 (Notable)
9 April 2018	Kula Hospital 267, US	daily rain	79.2 mm (3.1 in)	59.4 mm (2.3 in)	28 years	47 of 100 (Notable)
9 April 2018	Lake Park 3SSE, US	daily snow depth	12.7 cm (5.0 in)	5.1 cm (2.0 in)	104 years	46 of 100 (Notable)
9 April 2018	Northwood, US	daily snowfall	10.7 cm (4.2 in)	3.1 cm (1.2 in)	121 years	46 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 2018

Records set or tied on this calendar date in each year from 1793 to 2018. 2018 had 1,306 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 2018-04-09: 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 50	975
50 to 100	85
100 to 150	16
150 to 200	5
200 to 250	2
250 to 300	0
300 to 350	1