Weather Records on 18 April 1997

1,256 weather records were set or tied worldwide on 18 April 1997. Highest significance: Bobrynets, UA.

Key Facts for 18 April 1997

On 18 April 1997, 1,256 weather records were set or tied at long-record stations worldwide.
153 were record highs and 763 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 22 monthly and 1,230 daily.
Bobrynets set a monthly record daily precipitation of 80.0 mm (3.1 in) on 18 April 1997.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

1,256 stations

1,256 station records on 18 April 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bobrynets	Ukraine	Record daily precipitation	80.0 mm (3.1 in)	59 of 100 (Notable)
Sao Jose Dos Campos	Brazil	Record daily precipitation	54.4 mm (2.1 in)	58 of 100 (Notable)
Suchixtlahuaca -Quiotep-	Mexico	Record daily precipitation	169.9 mm (6.7 in)	54 of 100 (Notable)
Bolivar	United States	Record snow depth	17.8 cm (7.0 in)	51 of 100 (Notable)
Krakmo	Norway	Record snow depth	156.0 cm (61.4 in)	50 of 100 (Notable)
Chazy	United States	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Indian Mills 2 W	United States	Record daily snowfall	6.4 cm (2.5 in)	49 of 100 (Notable)
Burlington Intl AP	United States	Record daily snowfall	21.6 cm (8.5 in)	47 of 100 (Notable)
Santa Branca	Brazil	Record daily precipitation	60.2 mm (2.4 in)	46 of 100 (Notable)
Jacarei	Brazil	Record daily precipitation	55.2 mm (2.2 in)	46 of 100 (Notable)
Mt Washington	United States	Record daily precipitation	64.8 mm (2.6 in)	46 of 100 (Notable)
Apucarana (Fazenda Ubatuba)	Brazil	Record daily precipitation	68.2 mm (2.7 in)	45 of 100 (Notable)
Santo Amaro	Brazil	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Paso de Molina	Mexico	Record daily precipitation	57.9 mm (2.3 in)	45 of 100 (Notable)
Sussex 1 NW	United States	Record daily precipitation	106.7 mm (4.2 in)	45 of 100 (Notable)
Americus	United States	Record low minimum temperature	0.0 C (32.0 F)	44 of 100 (Notable)
Banner Elk	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Salisbury 2 N	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Valley Head	United States	Record daily snowfall	15.2 cm (6.0 in)	44 of 100 (Notable)
Zaragoza Aeropuerto	Spain	Record daily precipitation	57.9 mm (2.3 in)	43 of 100 (Notable)
Grafton	United States	Record daily snowfall	31.2 cm (12.3 in)	43 of 100 (Notable)
Ankenes	Norway	Record snow depth	131.0 cm (51.6 in)	42 of 100 (Notable)
Iowa Hill	United States	Record daily precipitation	40.6 mm (1.6 in)	42 of 100 (Notable)
Anderson	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Greenwood	United States	Record low minimum temperature	-1.7 C (28.9 F)	42 of 100 (Notable)
Rutland	United States	Record snow depth	12.7 cm (5.0 in)	42 of 100 (Notable)
Dailey 1 SE	United States	Record daily snowfall	14.0 cm (5.5 in)	42 of 100 (Notable)
Bairro Cajuru	Brazil	Record daily precipitation	51.0 mm (2.0 in)	41 of 100 (Notable)
Mt Hebron Rs	United States	Record high minimum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Colorado City	United States	Record low maximum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Brownsville	United States	Record low maximum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Quincy	United States	Record high minimum temperature	8.3 C (46.9 F)	40 of 100 (Notable)
Louisville 1 E	United States	Record low minimum temperature	1.1 C (34.0 F)	40 of 100 (Notable)
Manistee 3SE	United States	Record low minimum temperature	-7.8 C (18.0 F)	40 of 100 (Notable)
Aberdeen	United States	Record low minimum temperature	1.1 C (34.0 F)	40 of 100 (Notable)
Massena Intl AP	United States	Record daily snowfall	21.8 cm (8.6 in)	40 of 100 (Notable)
Despoblado	Mexico	Record daily precipitation	66.3 mm (2.6 in)	39 of 100 (Notable)
Madison Sewage Plt	United States	Record low minimum temperature	-5.0 C (23.0 F)	39 of 100 (Notable)
Hanover	United States	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Plainfield	United States	Record low maximum temperature	6.1 C (43.0 F)	39 of 100 (Notable)
Yemassee 1 N	United States	Record low minimum temperature	1.1 C (34.0 F)	39 of 100 (Notable)
Murfreesboro 5 N	United States	Record low minimum temperature	-1.7 C (28.9 F)	39 of 100 (Notable)
Instituto Biologico	Brazil	Record daily precipitation	40.7 mm (1.6 in)	38 of 100 (Notable)
Kentfield	United States	Record high minimum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Marshall	United States	Record low minimum temperature	-6.7 C (19.9 F)	38 of 100 (Notable)
Dickson	United States	Record low minimum temperature	-3.3 C (26.1 F)	38 of 100 (Notable)
Concord ASOS	United States	Record daily precipitation	32.3 mm (1.3 in)	38 of 100 (Notable)
Saint Bernard	United States	Record low minimum temperature	-3.9 C (25.0 F)	37 of 100 (Notable)
Livermore	United States	Record high minimum temperature	12.2 C (54.0 F)	37 of 100 (Notable)
Chazy	United States	Record snow depth	10.2 cm (4.0 in)	37 of 100 (Notable)
Dailey 1 SE	United States	Record snow depth	10.2 cm (4.0 in)	37 of 100 (Notable)
Painel	Brazil	Record daily precipitation	90.6 mm (3.6 in)	36 of 100 (Notable)
El Cuchillo	Mexico	Record low maximum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Covington 8 WNW	United States	Record low minimum temperature	0.6 C (33.1 F)	36 of 100 (Notable)
Bloomingdale	United States	Record low minimum temperature	-7.2 C (19.0 F)	36 of 100 (Notable)
Booneville	United States	Record low minimum temperature	0.0 C (32.0 F)	36 of 100 (Notable)
Bairro Sarapu	Brazil	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Greensboro	United States	Record low minimum temperature	1.1 C (34.0 F)	35 of 100 (Notable)
Danbury	United States	Record daily snowfall	6.4 cm (2.5 in)	35 of 100 (Notable)
Dixville Notch	United States	Record snow depth	33.0 cm (13.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,256 records

Records set or tied on 18 April 1997 by type: Highest daily maximum 44, Lowest daily maximum 360, Highest daily minimum 109, Lowest daily minimum 403, Heaviest daily rainfall 232, Heaviest daily snowfall 44, Deepest snow cover 64.

Records on 18 April 1997 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	360
Highest daily minimum	109
Lowest daily minimum	403
Heaviest daily rainfall	232
Heaviest daily snowfall	44
Deepest snow cover	64

Records on 18 April 1997 by timescale: all-time 4, monthly 22, daily 1,230.

How Much Records Were Beaten By

990 broken records

Margins by which the 990 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 540.0. Ties are not counted.

Top 20 by Significance

18 April 1997

Top 20 records on 18 April 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1997	Bobrynets, UA	monthly rain	80.0 mm (3.1 in)	50.8 mm (2.0 in)	20 years	59 of 100 (Notable)
18 April 1997	Sao Jose Dos Campos, BR	daily rain	54.4 mm (2.1 in)	44.4 mm (1.7 in)	44 years	58 of 100 (Notable)
18 April 1997	Suchixtlahuaca -Quiotep-, MX	monthly rain	169.9 mm (6.7 in)	70.1 mm (2.8 in)	1 year	54 of 100 (Notable)
18 April 1997	Bolivar, US	monthly snow depth	17.8 cm (7.0 in)	2.6 cm (1.0 in)	87 years	51 of 100 (Notable)
18 April 1997	Krakmo, NO	daily snow depth	156.0 cm (61.4 in)	30.0 cm (11.8 in)	92 years	50 of 100 (Notable)
18 April 1997	Chazy, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	79 years	50 of 100 (Notable)
18 April 1997	Indian Mills 2 W, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	95 years	49 of 100 (Notable)
18 April 1997	Burlington Intl AP, US	daily snowfall	21.6 cm (8.5 in)	19.6 cm (7.7 in)	7 years	47 of 100 (Notable)
18 April 1997	Santa Branca, BR	daily rain	60.2 mm (2.4 in)	49.8 mm (2.0 in)	6 years	46 of 100 (Notable)
18 April 1997	Jacarei, BR	daily rain	55.2 mm (2.2 in)	43.0 mm (1.7 in)	6 years	46 of 100 (Notable)
18 April 1997	Mt Washington, US	daily rain	64.8 mm (2.6 in)	40.4 mm (1.6 in)	30 years	46 of 100 (Notable)
18 April 1997	Apucarana (Fazenda Ubatuba), BR	daily rain	68.2 mm (2.7 in)	52.2 mm (2.1 in)	32 years	45 of 100 (Notable)
18 April 1997	Santo Amaro, BR	daily rain	33.0 mm (1.3 in)	25.0 mm (1.0 in)	56 years	45 of 100 (Notable)
18 April 1997	Paso de Molina, MX	daily rain	57.9 mm (2.3 in)	50.0 mm (2.0 in)	23 years	45 of 100 (Notable)
18 April 1997	Sussex 1 NW, US	monthly rain	106.7 mm (4.2 in)	25.4 mm (1.0 in)	0 years	45 of 100 (Notable)
18 April 1997	Americus, US	daily low min	0.0 C (32.0 F)	3.3 C (5.9 F)	92 years	44 of 100 (Notable)
18 April 1997	Banner Elk, US	daily rain	38.1 mm (1.5 in)	20.6 mm (0.8 in)	64 years	44 of 100 (Notable)
18 April 1997	Salisbury 2 N, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	48 years	44 of 100 (Notable)
18 April 1997	Valley Head, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	36 years	44 of 100 (Notable)
18 April 1997	Zaragoza Aeropuerto, ES	monthly rain	57.9 mm (2.3 in)	15.4 mm (0.6 in)	15 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 1997

Records set or tied on this calendar date in each year from 1793 to 1997. 1997 had 1,256 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 1997-04-18: 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 100	963
100 to 200	15
200 to 300	6
300 to 400	4
400 to 500	1
500 to 600	1