Weather Records on 18 April 2017

588 weather records were set or tied worldwide on 18 April 2017. Highest significance: Novi Sad, RS.

Key Facts for 18 April 2017

On 18 April 2017, 588 weather records were set or tied at long-record stations worldwide.
219 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 579 daily.
Novi Sad set a daily record precipitation of 36.5 mm (1.4 in) on 18 April 2017.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 467 records.

Record Map

588 stations

588 station records on 18 April 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Novi Sad	Serbia	Record daily precipitation	36.5 mm (1.4 in)	62 of 100 (Major)
Kherson	Ukraine	Record daily precipitation	35.1 mm (1.4 in)	61 of 100 (Major)
Pojarkovo	Russia	Record daily precipitation	27.9 mm (1.1 in)	59 of 100 (Notable)
Pine Rvr Dam	United States	Record daily precipitation	40.9 mm (1.6 in)	58 of 100 (Notable)
Mutsu	Japan	Record daily precipitation	46.5 mm (1.8 in)	57 of 100 (Notable)
Honokaa Town 215	United States	Record daily precipitation	134.9 mm (5.3 in)	56 of 100 (Notable)
Paauilo 221	United States	Record daily precipitation	153.7 mm (6.1 in)	56 of 100 (Notable)
Park Rapids Muni AP	United States	Record daily precipitation	36.6 mm (1.4 in)	54 of 100 (Notable)
Esashi	Japan	Record daily precipitation	48.0 mm (1.9 in)	53 of 100 (Notable)
Edirne	Turkey	Record daily precipitation	39.1 mm (1.5 in)	53 of 100 (Notable)
Suttsu	Japan	Record daily precipitation	39.9 mm (1.6 in)	51 of 100 (Notable)
Mc Henry 3W	United States	Record daily precipitation	29.0 mm (1.1 in)	51 of 100 (Notable)
Mallina	Australia	Record daily precipitation	26.2 mm (1.0 in)	50 of 100 (Notable)
Muenster	United States	Record daily precipitation	168.1 mm (6.6 in)	49 of 100 (Notable)
Franklin Sewage Plt	United States	Record daily precipitation	85.9 mm (3.4 in)	48 of 100 (Notable)
Chuxiong	China	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Curtis	United States	Record high minimum temperature	15.6 C (60.1 F)	47 of 100 (Notable)
De Grey	Australia	Record daily precipitation	40.0 mm (1.6 in)	46 of 100 (Notable)
Gull Lake Dam	United States	Record daily precipitation	29.7 mm (1.2 in)	46 of 100 (Notable)
Wallace	United States	Record high minimum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Walker	United States	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Sendai	Japan	Record daily precipitation	59.9 mm (2.4 in)	43 of 100 (Notable)
Lisbon	United States	Record daily precipitation	34.5 mm (1.4 in)	43 of 100 (Notable)
Omaezaki	Japan	Record daily precipitation	149.1 mm (5.9 in)	42 of 100 (Notable)
Fukuoka	Japan	Record daily precipitation	80.0 mm (3.1 in)	42 of 100 (Notable)
Cloquet	United States	Record daily precipitation	28.7 mm (1.1 in)	42 of 100 (Notable)
Hiroshima	Japan	Record daily precipitation	89.4 mm (3.5 in)	41 of 100 (Notable)
Newport 1 NW	United States	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Mecca Fire STN	United States	Record high minimum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Hiroo	Japan	Record daily precipitation	55.1 mm (2.2 in)	39 of 100 (Notable)
Osaka	Japan	Record daily precipitation	46.5 mm (1.8 in)	39 of 100 (Notable)
Hibbing Chisholm Hibbing AP	United States	Record daily precipitation	32.3 mm (1.3 in)	39 of 100 (Notable)
Superior	United States	Record daily precipitation	26.4 mm (1.0 in)	38 of 100 (Notable)
Collinsville Post Office	Australia	Record low minimum temperature	5.2 C (41.4 F)	37 of 100 (Notable)
Hakodate	Japan	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Ofunato	Japan	Record daily precipitation	80.0 mm (3.1 in)	37 of 100 (Notable)
Rothsay	United States	Record daily precipitation	41.1 mm (1.6 in)	37 of 100 (Notable)
Pikeville	United States	Record daily precipitation	56.4 mm (2.2 in)	36 of 100 (Notable)
Stratford	United States	Record high maximum temperature	31.7 C (89.1 F)	35 of 100 (Notable)
Saga	Japan	Record daily precipitation	77.5 mm (3.1 in)	34 of 100 (Routine)
Whiskeytown Rsvr	United States	Record daily precipitation	52.1 mm (2.1 in)	34 of 100 (Routine)
Litchville 2NW	United States	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
Honaunau 27	United States	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Kunming	China	Record daily precipitation	25.1 mm (1.0 in)	33 of 100 (Routine)
Matsue	Japan	Record daily precipitation	51.6 mm (2.0 in)	33 of 100 (Routine)
Cape Columbine	South Africa	Record high minimum temperature	21.4 C (70.5 F)	33 of 100 (Routine)
Aitkin 2E	United States	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Rawlinna Homestead	Australia	Record daily precipitation	32.4 mm (1.3 in)	32 of 100 (Routine)
Bilma	Niger	Record low minimum temperature	11.0 C (51.8 F)	32 of 100 (Routine)
McGill	United States	Record high minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Chattanooga AP	United States	Record high minimum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Hamamatsu	Japan	Record daily precipitation	64.0 mm (2.5 in)	31 of 100 (Routine)
Tekirdag	Turkey	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)
Askaniia Nova	Ukraine	Record low maximum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Dunkirk 19NNE	United States	Record daily snowfall	8.6 cm (3.4 in)	31 of 100 (Routine)
Gustavus	United States	Record high maximum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Krasnyj Jar	Russia	Record high minimum temperature	4.3 C (39.7 F)	30 of 100 (Routine)
Rawlinna Depot	Australia	Record daily precipitation	26.8 mm (1.1 in)	29 of 100 (Routine)
Man	Cote D'Ivoire	Record high maximum temperature	35.4 C (95.7 F)	29 of 100 (Routine)
Oshima	Japan	Record daily precipitation	130.0 mm (5.1 in)	29 of 100 (Routine)

Counts by Type and Timescale

588 records

Records set or tied on 18 April 2017 by type: Highest daily maximum 64, Lowest daily maximum 28, Highest daily minimum 155, Lowest daily minimum 65, Heaviest daily rainfall 256, Heaviest daily snowfall 3, Deepest snow cover 17.

Records on 18 April 2017 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	28
Highest daily minimum	155
Lowest daily minimum	65
Heaviest daily rainfall	256
Heaviest daily snowfall	3
Deepest snow cover	17

Records on 18 April 2017 by timescale: all-time 0, monthly 9, daily 579.

How Much Records Were Beaten By

484 broken records

Margins by which the 484 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 104.1. Ties are not counted.

Top 20 by Significance

18 April 2017

Top 20 records on 18 April 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 2017	Novi Sad, RS	daily rain	36.5 mm (1.4 in)	19.8 mm (0.8 in)	58 years	62 of 100 (Major)
18 April 2017	Kherson, UA	daily rain	35.1 mm (1.4 in)	21.1 mm (0.8 in)	39 years	61 of 100 (Major)
18 April 2017	Pojarkovo, RU	daily rain	27.9 mm (1.1 in)	17.9 mm (0.7 in)	72 years	59 of 100 (Notable)
18 April 2017	Pine Rvr Dam, US	daily rain	40.9 mm (1.6 in)	18.8 mm (0.7 in)	88 years	58 of 100 (Notable)
18 April 2017	Mutsu, JP	daily rain	46.5 mm (1.8 in)	34.7 mm (1.4 in)	63 years	57 of 100 (Notable)
18 April 2017	Honokaa Town 215, US	daily rain	134.9 mm (5.3 in)	64.5 mm (2.5 in)	78 years	56 of 100 (Notable)
18 April 2017	Paauilo 221, US	daily rain	153.7 mm (6.1 in)	80.0 mm (3.1 in)	75 years	56 of 100 (Notable)
18 April 2017	Park Rapids Muni AP, US	daily rain	36.6 mm (1.4 in)	10.9 mm (0.4 in)	122 years	54 of 100 (Notable)
18 April 2017	Esashi, JP	daily rain	48.0 mm (1.9 in)	26.5 mm (1.0 in)	64 years	53 of 100 (Notable)
18 April 2017	Edirne, TR	daily rain	39.1 mm (1.5 in)	31.2 mm (1.2 in)	24 years	53 of 100 (Notable)
18 April 2017	Suttsu, JP	daily rain	39.9 mm (1.6 in)	19.6 mm (0.8 in)	60 years	51 of 100 (Notable)
18 April 2017	Mc Henry 3W, US	daily rain	29.0 mm (1.1 in)	8.7 mm (0.34 in)	100 years	51 of 100 (Notable)
18 April 2017	Mallina, AU	daily rain	26.2 mm (1.0 in)	26.2 mm (1.0 in)	116 years	50 of 100 (Notable)
18 April 2017	Muenster, US	daily rain	168.1 mm (6.6 in)	104.1 mm (4.1 in)	7 years	49 of 100 (Notable)
18 April 2017	Franklin Sewage Plt, US	daily rain	85.9 mm (3.4 in)	21.1 mm (0.8 in)	76 years	48 of 100 (Notable)
18 April 2017	Chuxiong, CN	daily rain	30.5 mm (1.2 in)	19.1 mm (0.8 in)	6 years	47 of 100 (Notable)
18 April 2017	Curtis, US	daily high min	15.6 C (60.1 F)	3.9 C (7.0 F)	104 years	47 of 100 (Notable)
18 April 2017	De Grey, AU	daily rain	40.0 mm (1.6 in)	24.8 mm (1.0 in)	98 years	46 of 100 (Notable)
18 April 2017	Gull Lake Dam, US	daily rain	29.7 mm (1.2 in)	17.8 mm (0.7 in)	46 years	46 of 100 (Notable)
18 April 2017	Wallace, US	daily high min	10.6 C (51.1 F)	2.3 C (4.1 F)	111 years	45 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 2017

Records set or tied on this calendar date in each year from 1793 to 2017. 2017 had 588 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 2017-04-18: 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 2026-10-17 (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 20	445
20 to 40	27
40 to 60	7
60 to 80	3
80 to 100	1
100 to 120	1