Weather Records on 18 April 1994

1,218 weather records were set or tied worldwide on 18 April 1994. Highest significance: Urdzhar, KZ.

Key Facts for 18 April 1994

On 18 April 1994, 1,218 weather records were set or tied at long-record stations worldwide.
837 were record highs and 184 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 18 monthly and 1,198 daily.
Urdzhar set an all-time record daily precipitation of 99.1 mm (3.9 in) on 18 April 1994.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

1,218 stations

1,218 station records on 18 April 1994 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1994: highest significance records shown on the map
Station	Country	Type	Value	Significance
Urdzhar	Kazakhstan	Record daily precipitation	99.1 mm (3.9 in)	64 of 100 (Major)
Nellore	India	Record daily precipitation	199.9 mm (7.9 in)	60 of 100 (Major)
Narandiba	Brazil	Record daily precipitation	74.0 mm (2.9 in)	52 of 100 (Notable)
Machiques-Granja M.A.C.	Venezuela	Record daily precipitation	101.5 mm (4.0 in)	48 of 100 (Notable)
Don Muang	Thailand	Record daily precipitation	102.1 mm (4.0 in)	47 of 100 (Notable)
Coroneo	Mexico	Record daily precipitation	38.9 mm (1.5 in)	46 of 100 (Notable)
Tenosique (Smn)	Mexico	Record daily precipitation	89.2 mm (3.5 in)	45 of 100 (Notable)
Villa de Cos (Smn)	Mexico	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Ellenburg Depot	United States	Record daily snowfall	5.1 cm (2.0 in)	44 of 100 (Notable)
Tres Brazos	Mexico	Record daily precipitation	133.4 mm (5.3 in)	43 of 100 (Notable)
Mojave	United States	Record high minimum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Apizaco	Mexico	Record low maximum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Pony	United States	Record high minimum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Eureka	United States	Record high minimum temperature	8.9 C (48.0 F)	39 of 100 (Notable)
Bairro Do Sarapu	Brazil	Record daily precipitation	25.3 mm (1.0 in)	38 of 100 (Notable)
McCall	United States	Record high maximum temperature	26.1 C (79.0 F)	38 of 100 (Notable)
Arlington	United States	Record high minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Hatton 9 SE	United States	Record high minimum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
San Pedro	Mexico	Record daily precipitation	48.8 mm (1.9 in)	37 of 100 (Notable)
Two Harbors	United States	Record high maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Richland	United States	Record high maximum temperature	30.6 C (87.1 F)	37 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record high maximum temperature	32.2 C (90.0 F)	37 of 100 (Notable)
Park Rapids Muni AP	United States	Record high minimum temperature	9.4 C (48.9 F)	37 of 100 (Notable)
Caldwell	United States	Record high maximum temperature	31.7 C (89.1 F)	36 of 100 (Notable)
Winnemucca AP	United States	Record high maximum temperature	28.9 C (84.0 F)	36 of 100 (Notable)
Lugansk	Ukraine	Record high maximum temperature	26.0 C (78.8 F)	35 of 100 (Notable)
Clover Valley	United States	Record high maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Paradise Valley 1 NW	United States	Record high minimum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Wallowa	United States	Record high maximum temperature	28.9 C (84.0 F)	35 of 100 (Notable)
Old Faithful	United States	Record high maximum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Quincy	United States	Record high maximum temperature	28.3 C (82.9 F)	34 of 100 (Routine)
Leroy 5 WSW	United States	Record high maximum temperature	30.6 C (87.1 F)	34 of 100 (Routine)
Grace	United States	Record high maximum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
New Meadows Rs	United States	Record high maximum temperature	26.1 C (79.0 F)	34 of 100 (Routine)
Anaconda	United States	Record high maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Sidney	United States	Record high minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Beach	United States	Record high minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Crosby	United States	Record high minimum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
The Dalles	United States	Record high maximum temperature	30.6 C (87.1 F)	34 of 100 (Routine)
Siwa	Egypt	Record high maximum temperature	42.8 C (109.0 F)	33 of 100 (Routine)
Tlaxcala de Xicontecatl (Dge)	Mexico	Record low maximum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Elsinore	United States	Record high minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Canal Pt USDA	United States	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
New Salem 5NW	United States	Record high minimum temperature	12.2 C (54.0 F)	33 of 100 (Routine)
Conconully	United States	Record high minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Gordon 6N	United States	Record high maximum temperature	31.1 C (88.0 F)	32 of 100 (Routine)
Dickinson Exp STN	United States	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
Moxee City 10 E	United States	Record high minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Agropecuaria Santo Antonio	Brazil	Record daily precipitation	42.0 mm (1.7 in)	31 of 100 (Routine)
Pirapozinho	Brazil	Record daily precipitation	60.9 mm (2.4 in)	31 of 100 (Routine)
Ocampo	Mexico	Record low maximum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
Tecamachalco	Mexico	Record low maximum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
Kursk	Russia	Record high minimum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Taganrog (Lighthouse)	Russia	Record high maximum temperature	24.5 C (76.1 F)	31 of 100 (Routine)
Henichesk	Ukraine	Record high maximum temperature	24.6 C (76.3 F)	31 of 100 (Routine)
Broadus	United States	Record high minimum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Golconda	United States	Record high minimum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Orovada 3 W	United States	Record high maximum temperature	27.2 C (81.0 F)	31 of 100 (Routine)
Jemez Springs	United States	Record high maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)

Counts by Type and Timescale

1,218 records

Records set or tied on 18 April 1994 by type: Highest daily maximum 516, Lowest daily maximum 133, Highest daily minimum 321, Lowest daily minimum 51, Heaviest daily rainfall 187, Heaviest daily snowfall 6, Deepest snow cover 4.

Records on 18 April 1994 by type
Record type	Records
Highest daily maximum	516
Lowest daily maximum	133
Highest daily minimum	321
Lowest daily minimum	51
Heaviest daily rainfall	187
Heaviest daily snowfall	6
Deepest snow cover	4

Records on 18 April 1994 by timescale: all-time 2, monthly 18, daily 1,198.

How Much Records Were Beaten By

910 broken records

Margins by which the 910 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 331.0. Ties are not counted.

Top 20 by Significance

18 April 1994

Top 20 records on 18 April 1994 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1994	Urdzhar, KZ	all-time rain	99.1 mm (3.9 in)	29.0 mm (1.1 in)	0 years	64 of 100 (Major)
18 April 1994	Nellore, IN	monthly rain	199.9 mm (7.9 in)	129.8 mm (5.1 in)	4 years	60 of 100 (Major)
18 April 1994	Narandiba, BR	daily rain	74.0 mm (2.9 in)	55.4 mm (2.2 in)	41 years	52 of 100 (Notable)
18 April 1994	Machiques-Granja M.A.C., VE	daily rain	101.5 mm (4.0 in)	84.9 mm (3.3 in)	13 years	48 of 100 (Notable)
18 April 1994	Don Muang, TH	daily rain	102.1 mm (4.0 in)	67.0 mm (2.6 in)	9 years	47 of 100 (Notable)
18 April 1994	Coroneo, MX	monthly rain	38.9 mm (1.5 in)	13.5 mm (0.5 in)	25 years	46 of 100 (Notable)
18 April 1994	Tenosique (Smn), MX	daily rain	89.2 mm (3.5 in)	49.1 mm (1.9 in)	48 years	45 of 100 (Notable)
18 April 1994	Villa de Cos (Smn), MX	daily rain	31.8 mm (1.3 in)	26.5 mm (1.0 in)	27 years	44 of 100 (Notable)
18 April 1994	Ellenburg Depot, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	94 years	44 of 100 (Notable)
18 April 1994	Tres Brazos, MX	monthly rain	133.4 mm (5.3 in)	38.1 mm (1.5 in)	11 years	43 of 100 (Notable)
18 April 1994	Mojave, US	daily high min	18.9 C (66.0 F)	3.3 C (5.9 F)	88 years	42 of 100 (Notable)
18 April 1994	Apizaco, MX	monthly low max	10.0 C (50.0 F)	3.9 C (7.0 F)	35 years	40 of 100 (Notable)
18 April 1994	Nevada City, US	daily high min	10.0 C (50.0 F)	0.6 C (1.1 F)	96 years	40 of 100 (Notable)
18 April 1994	Pony, US	daily high min	9.4 C (48.9 F)	0.5 C (0.9 F)	98 years	40 of 100 (Notable)
18 April 1994	Eureka, US	daily high min	8.9 C (48.0 F)	1.7 C (3.1 F)	88 years	39 of 100 (Notable)
18 April 1994	Bairro Do Sarapu, BR	daily rain	25.3 mm (1.0 in)	22.7 mm (0.9 in)	44 years	38 of 100 (Notable)
18 April 1994	McCall, US	daily high max	26.1 C (79.0 F)	2.8 C (5.0 F)	84 years	38 of 100 (Notable)
18 April 1994	Arlington, US	daily high min	16.1 C (61.0 F)	3.3 C (5.9 F)	68 years	38 of 100 (Notable)
18 April 1994	Hatton 9 SE, US	daily high min	12.8 C (55.0 F)	1.7 C (3.1 F)	85 years	38 of 100 (Notable)
18 April 1994	San Pedro, MX	daily rain	48.8 mm (1.9 in)	47.5 mm (1.9 in)	15 years	37 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 1994

Records set or tied on this calendar date in each year from 1793 to 1994. 1994 had 1,218 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 1994-04-18: 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 50	903
50 to 100	4
100 to 150	1
150 to 200	1
200 to 250	0
250 to 300	0
300 to 350	1