Weather Records on 18 April 2023

739 weather records were set or tied worldwide on 18 April 2023. Highest significance: Dillon U of Montana Western, US.

Key Facts for 18 April 2023

On 18 April 2023, 739 weather records were set or tied at long-record stations worldwide.
150 were record highs and 421 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 13 monthly and 724 daily.
Dillon U of Montana Western set a daily record snowfall of 24.1 cm (9.5 in) on 18 April 2023.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

739 stations

739 station records on 18 April 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dillon U of Montana Western	United States	Record daily snowfall	24.1 cm (9.5 in)	73 of 100 (Major)
Ashland Exp Farm	United States	Record daily snowfall	20.3 cm (8.0 in)	69 of 100 (Major)
Guba	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	68 of 100 (Major)
Rainier Paradise Rs	United States	Record daily precipitation	137.2 mm (5.4 in)	66 of 100 (Major)
Owen 1E	United States	Record snow depth	35.6 cm (14.0 in)	64 of 100 (Major)
Randolph	United States	Record snow depth	50.8 cm (20.0 in)	61 of 100 (Major)
Lihue WSO AP 1020.1	United States	Record daily precipitation	55.9 mm (2.2 in)	61 of 100 (Major)
Maraza	Azerbaijan	Record daily precipitation	99.6 mm (3.9 in)	60 of 100 (Major)
Dillon U of Montana Western	United States	Record daily precipitation	50.8 mm (2.0 in)	60 of 100 (Major)
Mackay Lost Rvr Rs	United States	Record snow depth	15.2 cm (6.0 in)	59 of 100 (Notable)
Fontenelle Dam	United States	Record snow depth	15.2 cm (6.0 in)	58 of 100 (Notable)
Kissimmee 2	United States	Record daily precipitation	50.8 mm (2.0 in)	56 of 100 (Notable)
Owen 1E	United States	Record daily snowfall	35.6 cm (14.0 in)	55 of 100 (Notable)
Baggs	United States	Record snow depth	58.4 cm (23.0 in)	55 of 100 (Notable)
Lifton Pumping STN	United States	Record snow depth	35.6 cm (14.0 in)	54 of 100 (Notable)
Albany	Australia	Record low minimum temperature	0.0 C (32.0 F)	53 of 100 (Notable)
Ironwood	United States	Record daily snowfall	20.3 cm (8.0 in)	52 of 100 (Notable)
Wallowa	United States	Record daily snowfall	7.6 cm (3.0 in)	52 of 100 (Notable)
Gove Airport	Australia	Record daily precipitation	304.0 mm (12.0 in)	51 of 100 (Notable)
Lee Vining	United States	Record snow depth	40.6 cm (16.0 in)	51 of 100 (Notable)
Bern	United States	Record snow depth	58.4 cm (23.0 in)	51 of 100 (Notable)
Afton	United States	Record snow depth	63.5 cm (25.0 in)	51 of 100 (Notable)
Pineview Dam	United States	Record snow depth	81.3 cm (32.0 in)	50 of 100 (Notable)
Kealakekua 26.2	United States	Record high maximum temperature	30.6 C (87.1 F)	49 of 100 (Notable)
Adel	United States	Record daily snowfall	20.3 cm (8.0 in)	48 of 100 (Notable)
Woodruff	United States	Record snow depth	38.1 cm (15.0 in)	48 of 100 (Notable)
Fossil Butte	United States	Record snow depth	71.1 cm (28.0 in)	47 of 100 (Notable)
Mingela Post Office	Australia	Record daily precipitation	42.4 mm (1.7 in)	44 of 100 (Notable)
Shonkin 7 S	United States	Record daily snowfall	48.3 cm (19.0 in)	44 of 100 (Notable)
Odell Lake-East	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Jian	China	Record daily precipitation	123.2 mm (4.9 in)	42 of 100 (Notable)
Mt Adams Rs	United States	Record daily snowfall	5.1 cm (2.0 in)	42 of 100 (Notable)
Forks 1 E	United States	Record low maximum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Mather 3 NW	United States	Record low maximum temperature	1.7 C (35.1 F)	40 of 100 (Notable)
Changsha	China	Record daily precipitation	69.3 mm (2.7 in)	39 of 100 (Notable)
Nanchang	China	Record daily precipitation	88.9 mm (3.5 in)	39 of 100 (Notable)
Ft Lauderdale Beach	United States	Record daily precipitation	62.5 mm (2.5 in)	39 of 100 (Notable)
Dillon U of Montana Western	United States	Record snow depth	25.4 cm (10.0 in)	39 of 100 (Notable)
Hurley	United States	Record daily snowfall	17.8 cm (7.0 in)	38 of 100 (Notable)
Neillsville 3ESE	United States	Record daily snowfall	5.8 cm (2.3 in)	38 of 100 (Notable)
Lijing	China	Record high maximum temperature	28.0 C (82.4 F)	36 of 100 (Notable)
Almaty	Kazakhstan	Record low maximum temperature	3.2 C (37.8 F)	36 of 100 (Notable)
Brohovo	Russia	Record high minimum temperature	0.1 C (32.2 F)	36 of 100 (Notable)
Halls Creek Airport	Australia	Record low minimum temperature	10.6 C (51.1 F)	35 of 100 (Notable)
Zajsan	Kazakhstan	Record low maximum temperature	2.5 C (36.5 F)	35 of 100 (Notable)
Laketown	United States	Record snow depth	30.5 cm (12.0 in)	35 of 100 (Notable)
Merluna	Australia	Record daily precipitation	54.0 mm (2.1 in)	33 of 100 (Routine)
Ironwood	United States	Record low maximum temperature	-2.8 C (27.0 F)	33 of 100 (Routine)
Marshfield Exp Farm	United States	Record low maximum temperature	-1.1 C (30.0 F)	33 of 100 (Routine)
Reedsburg Wwtp	United States	Record low maximum temperature	1.7 C (35.1 F)	33 of 100 (Routine)
Gaoua	Burkina Faso	Record high maximum temperature	40.8 C (105.4 F)	33 of 100 (Routine)
Lansdown Csiro	Australia	Record daily precipitation	72.4 mm (2.9 in)	32 of 100 (Routine)
Hancock Exp Farm	United States	Record low maximum temperature	0.0 C (32.0 F)	32 of 100 (Routine)
Medford	United States	Record low maximum temperature	-1.7 C (28.9 F)	32 of 100 (Routine)
Wisconsin Dells Wwtp	United States	Record low maximum temperature	1.7 C (35.1 F)	32 of 100 (Routine)
Susanville 2SW	United States	Record low minimum temperature	-7.2 C (19.0 F)	31 of 100 (Routine)
Pierce	United States	Record daily snowfall	7.6 cm (3.0 in)	31 of 100 (Routine)
Munising	United States	Record daily snowfall	5.3 cm (2.1 in)	31 of 100 (Routine)
Ladysmith 3W	United States	Record low maximum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
New London	United States	Record low maximum temperature	1.1 C (34.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

739 records

Records set or tied on 18 April 2023 by type: Highest daily maximum 71, Lowest daily maximum 224, Highest daily minimum 79, Lowest daily minimum 197, Heaviest daily rainfall 77, Heaviest daily snowfall 39, Deepest snow cover 52.

Records on 18 April 2023 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	224
Highest daily minimum	79
Lowest daily minimum	197
Heaviest daily rainfall	77
Heaviest daily snowfall	39
Deepest snow cover	52

Records on 18 April 2023 by timescale: all-time 2, monthly 13, daily 724.

How Much Records Were Beaten By

592 broken records

Margins by which the 592 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 584.0. Ties are not counted.

Top 20 by Significance

18 April 2023

Top 20 records on 18 April 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 2023	Dillon U of Montana Western, US	daily snowfall	24.1 cm (9.5 in)	21.6 cm (8.5 in)	113 years	73 of 100 (Major)
18 April 2023	Ashland Exp Farm, US	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	129 years	69 of 100 (Major)
18 April 2023	Guba, AZ	daily rain	99.3 mm (3.9 in)	92.4 mm (3.6 in)	66 years	68 of 100 (Major)
18 April 2023	Rainier Paradise Rs, US	monthly rain	137.2 mm (5.4 in)	45.0 mm (1.8 in)	32 years	66 of 100 (Major)
18 April 2023	Owen 1E, US	daily snow depth	35.6 cm (14.0 in)	33.1 cm (13.0 in)	57 years	64 of 100 (Major)
18 April 2023	Randolph, US	daily snow depth	50.8 cm (20.0 in)	50.8 cm (20.0 in)	37 years	61 of 100 (Major)
18 April 2023	Lihue WSO AP 1020.1, US	daily rain	55.9 mm (2.2 in)	39.1 mm (1.5 in)	46 years	61 of 100 (Major)
18 April 2023	Maraza, AZ	daily rain	99.6 mm (3.9 in)	63.6 mm (2.5 in)	46 years	60 of 100 (Major)
18 April 2023	Dillon U of Montana Western, US	monthly rain	50.8 mm (2.0 in)	6.3 mm (0.25 in)	120 years	60 of 100 (Major)
18 April 2023	Mackay Lost Rvr Rs, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	114 years	59 of 100 (Notable)
18 April 2023	Fontenelle Dam, US	daily snow depth	15.2 cm (6.0 in)	10.1 cm (4.0 in)	56 years	58 of 100 (Notable)
18 April 2023	Kissimmee 2, US	daily rain	50.8 mm (2.0 in)	42.2 mm (1.7 in)	72 years	56 of 100 (Notable)
18 April 2023	Owen 1E, US	all-time snowfall	35.6 cm (14.0 in)	7.7 cm (3.0 in)	37 years	55 of 100 (Notable)
18 April 2023	Baggs, US	daily snow depth	58.4 cm (23.0 in)	58.4 cm (23.0 in)	38 years	55 of 100 (Notable)
18 April 2023	Lifton Pumping STN, US	daily snow depth	35.6 cm (14.0 in)	22.9 cm (9.0 in)	86 years	54 of 100 (Notable)
18 April 2023	Albany, AU	all-time low min	0.0 C (32.0 F)	0.1 C (0.2 F)	79 years	53 of 100 (Notable)
18 April 2023	Ironwood, US	daily snowfall	20.3 cm (8.0 in)	7.6 cm (3.0 in)	104 years	52 of 100 (Notable)
18 April 2023	Wallowa, US	daily snowfall	7.6 cm (3.0 in)	5.1 cm (2.0 in)	94 years	52 of 100 (Notable)
18 April 2023	Gove Airport, AU	daily rain	304.0 mm (12.0 in)	228.2 mm (9.0 in)	10 years	51 of 100 (Notable)
18 April 2023	Lee Vining, US	daily snow depth	40.6 cm (16.0 in)	35.5 cm (14.0 in)	26 years	51 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 2023

Records set or tied on this calendar date in each year from 1793 to 2023. 2023 had 739 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 2023-04-18: 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	562
100 to 200	13
200 to 300	6
300 to 400	4
400 to 500	1
500 to 600	6