Weather Records on 18 April 1985

1,119 weather records were set or tied worldwide on 18 April 1985. Highest significance: Agnes River, AU.

Key Facts for 18 April 1985

On 18 April 1985, 1,119 weather records were set or tied at long-record stations worldwide.
708 were record highs and 120 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 32 monthly and 1,086 daily.
Agnes River set a daily record precipitation of 45.2 mm (1.8 in) on 18 April 1985.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

1,119 stations

1,119 station records on 18 April 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Agnes River	Australia	Record daily precipitation	45.2 mm (1.8 in)	68 of 100 (Major)
Leongatha Sth Gippsland Water	Australia	Record daily precipitation	51.2 mm (2.0 in)	64 of 100 (Major)
Outtrim	Australia	Record daily precipitation	56.0 mm (2.2 in)	57 of 100 (Notable)
Wonthaggi	Australia	Record daily precipitation	56.4 mm (2.2 in)	54 of 100 (Notable)
Castores	Brazil	Record daily precipitation	68.9 mm (2.7 in)	54 of 100 (Notable)
Shoreham	Australia	Record daily precipitation	40.6 mm (1.6 in)	53 of 100 (Notable)
Olsens Bridge (Morwell River P	Australia	Record daily precipitation	62.2 mm (2.4 in)	52 of 100 (Notable)
Northwood	United States	Record high minimum temperature	21.1 C (70.0 F)	52 of 100 (Notable)
Gen. Santos	Philippines	Record daily precipitation	52.0 mm (2.0 in)	50 of 100 (Notable)
Bass	Australia	Record daily precipitation	39.2 mm (1.5 in)	49 of 100 (Notable)
Usina Pinhal (Eloy Chaves)	Brazil	Record daily precipitation	49.1 mm (1.9 in)	49 of 100 (Notable)
Callignee South	Australia	Record daily precipitation	50.6 mm (2.0 in)	48 of 100 (Notable)
Inverloch	Australia	Record daily precipitation	55.2 mm (2.2 in)	48 of 100 (Notable)
Poowong (Post Office)	Australia	Record daily precipitation	41.4 mm (1.6 in)	48 of 100 (Notable)
Fish Creek	Australia	Record daily precipitation	49.0 mm (1.9 in)	46 of 100 (Notable)
Mirboo North Water Board	Australia	Record daily precipitation	52.0 mm (2.0 in)	46 of 100 (Notable)
Fazenda Santa Cecilia	Brazil	Record daily precipitation	61.2 mm (2.4 in)	46 of 100 (Notable)
Karlstad	Sweden	Record snow depth	20.1 cm (7.9 in)	46 of 100 (Notable)
Fish Creek (Hoddle Range)	Australia	Record daily precipitation	47.4 mm (1.9 in)	44 of 100 (Notable)
Mount Best (Upper Toora)	Australia	Record daily precipitation	43.2 mm (1.7 in)	44 of 100 (Notable)
Tarwin Lower (Riverside)	Australia	Record daily precipitation	43.0 mm (1.7 in)	44 of 100 (Notable)
Lagoa Branca	Brazil	Record daily precipitation	45.2 mm (1.8 in)	44 of 100 (Notable)
Phuket Airport	Thailand	Record high maximum temperature	39.8 C (103.6 F)	44 of 100 (Notable)
Maatsuyker Island Lighthouse	Australia	Record daily precipitation	40.2 mm (1.6 in)	42 of 100 (Notable)
Darts Creek	Australia	Record daily precipitation	45.0 mm (1.8 in)	41 of 100 (Notable)
Jaborandi	Brazil	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Mason City	United States	Record high minimum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Clear Lake	United States	Record high maximum temperature	32.8 C (91.0 F)	41 of 100 (Notable)
Foster (Post Office)	Australia	Record daily precipitation	55.2 mm (2.2 in)	40 of 100 (Notable)
Onda Verde	Brazil	Record daily precipitation	46.3 mm (1.8 in)	40 of 100 (Notable)
Decorah	United States	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Howard	United States	Record high maximum temperature	34.4 C (93.9 F)	40 of 100 (Notable)
Beaver Dam Wwtp	United States	Record high minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Patrocinio Do Muriae	Brazil	Record daily precipitation	70.0 mm (2.8 in)	39 of 100 (Notable)
Fazenda Acude	Brazil	Record daily precipitation	46.2 mm (1.8 in)	39 of 100 (Notable)
Forest City 2 NNE	United States	Record high minimum temperature	15.0 C (59.0 F)	39 of 100 (Notable)
Milan 1NW	United States	Record high maximum temperature	33.9 C (93.0 F)	39 of 100 (Notable)
Superior	United States	Record high maximum temperature	31.7 C (89.1 F)	39 of 100 (Notable)
Howard	United States	Record high minimum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Wentworth 2.5 WNW	United States	Record high maximum temperature	33.9 C (93.0 F)	39 of 100 (Notable)
Prairie du Chien	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Ventnor (Oaklands)	Australia	Record daily precipitation	33.4 mm (1.3 in)	38 of 100 (Notable)
Santa Cruz Das Palmeiras	Brazil	Record daily precipitation	44.4 mm (1.7 in)	38 of 100 (Notable)
Mococa	Brazil	Record daily precipitation	40.2 mm (1.6 in)	38 of 100 (Notable)
Ada	United States	Record high minimum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
St Peter	United States	Record high maximum temperature	33.3 C (91.9 F)	38 of 100 (Notable)
Zumbrota	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Clark	United States	Record high maximum temperature	31.7 C (89.1 F)	38 of 100 (Notable)
De Smet	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Mellette 4 W	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Wessington Springs	United States	Record high maximum temperature	32.2 C (90.0 F)	38 of 100 (Notable)
Emblem	United States	Record high minimum temperature	11.1 C (52.0 F)	38 of 100 (Notable)
Upton	United States	Record high minimum temperature	13.3 C (55.9 F)	38 of 100 (Notable)
Volta Redonda	Brazil	Record daily precipitation	48.4 mm (1.9 in)	37 of 100 (Notable)
Governador Fernando Costa	Brazil	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Fayette	United States	Record high minimum temperature	16.1 C (61.0 F)	37 of 100 (Notable)
Humboldt 3 W	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Litchfield	United States	Record high maximum temperature	31.1 C (88.0 F)	37 of 100 (Notable)
Alexandria	United States	Record high maximum temperature	33.3 C (91.9 F)	37 of 100 (Notable)
Menno	United States	Record high maximum temperature	34.4 C (93.9 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,119 records

Records set or tied on 18 April 1985 by type: Highest daily maximum 412, Lowest daily maximum 60, Highest daily minimum 296, Lowest daily minimum 60, Heaviest daily rainfall 279, Heaviest daily snowfall 8, Deepest snow cover 4.

Records on 18 April 1985 by type
Record type	Records
Highest daily maximum	412
Lowest daily maximum	60
Highest daily minimum	296
Lowest daily minimum	60
Heaviest daily rainfall	279
Heaviest daily snowfall	8
Deepest snow cover	4

Records on 18 April 1985 by timescale: all-time 1, monthly 32, daily 1,086.

How Much Records Were Beaten By

924 broken records

Margins by which the 924 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 181.0. Ties are not counted.

Top 20 by Significance

18 April 1985

Top 20 records on 18 April 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1985	Agnes River, AU	daily rain	45.2 mm (1.8 in)	30.7 mm (1.2 in)	76 years	68 of 100 (Major)
18 April 1985	Leongatha Sth Gippsland Water, AU	daily rain	51.2 mm (2.0 in)	35.7 mm (1.4 in)	50 years	64 of 100 (Major)
18 April 1985	Outtrim, AU	daily rain	56.0 mm (2.2 in)	23.0 mm (0.9 in)	80 years	57 of 100 (Notable)
18 April 1985	Wonthaggi, AU	daily rain	56.4 mm (2.2 in)	28.0 mm (1.1 in)	50 years	54 of 100 (Notable)
18 April 1985	Castores, BR	daily rain	68.9 mm (2.7 in)	55.3 mm (2.2 in)	46 years	54 of 100 (Notable)
18 April 1985	Shoreham, AU	daily rain	40.6 mm (1.6 in)	27.9 mm (1.1 in)	36 years	53 of 100 (Notable)
18 April 1985	Olsens Bridge (Morwell River P, AU	daily rain	62.2 mm (2.4 in)	39.8 mm (1.6 in)	32 years	52 of 100 (Notable)
18 April 1985	Northwood, US	monthly high min	21.1 C (70.0 F)	3.9 C (7.0 F)	88 years	52 of 100 (Notable)
18 April 1985	Gen. Santos, PH	daily rain	52.0 mm (2.0 in)	44.0 mm (1.7 in)	24 years	50 of 100 (Notable)
18 April 1985	Bass, AU	daily rain	39.2 mm (1.5 in)	28.3 mm (1.1 in)	32 years	49 of 100 (Notable)
18 April 1985	Usina Pinhal (Eloy Chaves), BR	daily rain	49.1 mm (1.9 in)	40.2 mm (1.6 in)	46 years	49 of 100 (Notable)
18 April 1985	Callignee South, AU	daily rain	50.6 mm (2.0 in)	27.0 mm (1.1 in)	52 years	48 of 100 (Notable)
18 April 1985	Inverloch, AU	daily rain	55.2 mm (2.2 in)	22.7 mm (0.9 in)	50 years	48 of 100 (Notable)
18 April 1985	Poowong (Post Office), AU	daily rain	41.4 mm (1.6 in)	27.4 mm (1.1 in)	32 years	48 of 100 (Notable)
18 April 1985	Fish Creek, AU	daily rain	49.0 mm (1.9 in)	20.8 mm (0.8 in)	50 years	46 of 100 (Notable)
18 April 1985	Mirboo North Water Board, AU	daily rain	52.0 mm (2.0 in)	30.4 mm (1.2 in)	32 years	46 of 100 (Notable)
18 April 1985	Fazenda Santa Cecilia, BR	daily rain	61.2 mm (2.4 in)	46.2 mm (1.8 in)	46 years	46 of 100 (Notable)
18 April 1985	Karlstad, SE	daily snow depth	20.1 cm (7.9 in)	18.1 cm (7.1 in)	48 years	46 of 100 (Notable)
18 April 1985	Fish Creek (Hoddle Range), AU	daily rain	47.4 mm (1.9 in)	20.0 mm (0.8 in)	50 years	44 of 100 (Notable)
18 April 1985	Mount Best (Upper Toora), AU	daily rain	43.2 mm (1.7 in)	29.5 mm (1.2 in)	28 years	44 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 1985

Records set or tied on this calendar date in each year from 1793 to 1985. 1985 had 1,119 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 1985-04-18: 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 25	883
25 to 50	35
50 to 75	5
75 to 100	0
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1