Weather Records on 17 April 1985

917 weather records were set or tied worldwide on 17 April 1985. Highest significance: Vila Carmem, BR.

Key Facts for 17 April 1985

On 17 April 1985, 917 weather records were set or tied at long-record stations worldwide.
503 were record highs and 98 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 897 daily.
Vila Carmem set a daily record precipitation of 64.2 mm (2.5 in) on 17 April 1985.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 450 records.

Record Map

917 stations

917 station records on 17 April 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vila Carmem	Brazil	Record daily precipitation	64.2 mm (2.5 in)	56 of 100 (Notable)
Fazenda Boa Vista de Jacare	Brazil	Record daily precipitation	84.3 mm (3.3 in)	54 of 100 (Notable)
Usina Ester	Brazil	Record daily precipitation	54.0 mm (2.1 in)	54 of 100 (Notable)
Tarwin Lower (Riverside)	Australia	Record daily precipitation	28.4 mm (1.1 in)	53 of 100 (Notable)
Chiang Mai	Thailand	Record daily precipitation	73.6 mm (2.9 in)	52 of 100 (Notable)
Majuro Wbas AP	Marshall Islands	Record daily precipitation	125.0 mm (4.9 in)	51 of 100 (Notable)
Santa Lucia	Brazil	Record daily precipitation	36.9 mm (1.5 in)	48 of 100 (Notable)
Catigua	Brazil	Record daily precipitation	63.7 mm (2.5 in)	46 of 100 (Notable)
Evanston 1 E	United States	Record high minimum temperature	11.1 C (52.0 F)	46 of 100 (Notable)
Cresciumal	Brazil	Record daily precipitation	48.0 mm (1.9 in)	45 of 100 (Notable)
Sitio Sao Geraldo	Brazil	Record daily precipitation	44.5 mm (1.8 in)	45 of 100 (Notable)
Balmoral	Australia	Record daily precipitation	28.4 mm (1.1 in)	44 of 100 (Notable)
Pirassununga	Brazil	Record daily precipitation	37.1 mm (1.5 in)	44 of 100 (Notable)
Karlstad	Sweden	Record snow depth	24.9 cm (9.8 in)	44 of 100 (Notable)
Green Rvr	United States	Record high minimum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Ft Kent	United States	Record low minimum temperature	-13.3 C (8.1 F)	42 of 100 (Notable)
Avai	Brazil	Record daily precipitation	45.8 mm (1.8 in)	41 of 100 (Notable)
Spearfish	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Yarram	Australia	Record daily precipitation	34.9 mm (1.4 in)	40 of 100 (Notable)
Lindoia	Brazil	Record daily precipitation	40.0 mm (1.6 in)	40 of 100 (Notable)
Sao Francisco da Corredeira	Brazil	Record daily precipitation	55.1 mm (2.2 in)	40 of 100 (Notable)
Guaianas	Brazil	Record daily precipitation	55.2 mm (2.2 in)	39 of 100 (Notable)
Riverton	United States	Record high maximum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
Reginopolis	Brazil	Record daily precipitation	43.1 mm (1.7 in)	38 of 100 (Notable)
Grauna	Brazil	Record daily precipitation	46.2 mm (1.8 in)	38 of 100 (Notable)
Ribeirao Bonito	Brazil	Record daily precipitation	39.8 mm (1.6 in)	38 of 100 (Notable)
Aranyaprathet	Thailand	Record daily precipitation	53.4 mm (2.1 in)	38 of 100 (Notable)
Catubi	Brazil	Record daily precipitation	55.8 mm (2.2 in)	37 of 100 (Notable)
Rainbow Rsvr Tomahawk	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Novais	Brazil	Record daily precipitation	30.3 mm (1.2 in)	36 of 100 (Notable)
Bueno de Andrada	Brazil	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Nova Fatima	Brazil	Record daily precipitation	37.0 mm (1.5 in)	36 of 100 (Notable)
Horton	United States	Record high minimum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Goliad	United States	Record high maximum temperature	39.4 C (102.9 F)	36 of 100 (Notable)
Lovell	United States	Record high maximum temperature	28.3 C (82.9 F)	36 of 100 (Notable)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	29.2 mm (1.1 in)	35 of 100 (Notable)
Careacu	Brazil	Record daily precipitation	41.3 mm (1.6 in)	35 of 100 (Notable)
Fazenda Barreirinho	Brazil	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Ibitinga	Brazil	Record daily precipitation	45.0 mm (1.8 in)	35 of 100 (Notable)
Visconde de Rio Claro	Brazil	Record daily precipitation	29.5 mm (1.2 in)	35 of 100 (Notable)
Santa Gertrudes	Brazil	Record daily precipitation	37.8 mm (1.5 in)	35 of 100 (Notable)
San Carlos Rsvr	United States	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Longmont 2 ESE	United States	Record high minimum temperature	9.4 C (48.9 F)	35 of 100 (Notable)
Milan 1NW	United States	Record high maximum temperature	31.1 C (88.0 F)	35 of 100 (Notable)
Menno	United States	Record high minimum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Elberta	United States	Record high minimum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Mogi-Mirim	Brazil	Record daily precipitation	51.7 mm (2.0 in)	34 of 100 (Routine)
Anhembi	Brazil	Record daily precipitation	42.0 mm (1.7 in)	34 of 100 (Routine)
La Purisima	Mexico	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Chester	United States	Record high minimum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Culbertson	United States	Record high minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Ogdensburg 4 NE	United States	Record low minimum temperature	-7.8 C (18.0 F)	34 of 100 (Routine)
Ft Meade	United States	Record high maximum temperature	29.4 C (84.9 F)	34 of 100 (Routine)
Wentworth 2.5 WNW	United States	Record high maximum temperature	32.2 C (90.0 F)	34 of 100 (Routine)
Rochester Intl AP	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Huron Rgnl AP	United States	Record high maximum temperature	30.6 C (87.1 F)	34 of 100 (Routine)
Monte Mor	Brazil	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Jefferson	United States	Record high maximum temperature	30.0 C (86.0 F)	33 of 100 (Routine)
Moab	United States	Record high minimum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Monticello 2E	United States	Record high minimum temperature	8.3 C (46.9 F)	33 of 100 (Routine)

Counts by Type and Timescale

917 records

Records set or tied on 17 April 1985 by type: Highest daily maximum 271, Lowest daily maximum 55, Highest daily minimum 232, Lowest daily minimum 43, Heaviest daily rainfall 296, Heaviest daily snowfall 14, Deepest snow cover 6.

Records on 17 April 1985 by type
Record type	Records
Highest daily maximum	271
Lowest daily maximum	55
Highest daily minimum	232
Lowest daily minimum	43
Heaviest daily rainfall	296
Heaviest daily snowfall	14
Deepest snow cover	6

Records on 17 April 1985 by timescale: all-time 0, monthly 20, daily 897.

How Much Records Were Beaten By

752 broken records

Margins by which the 752 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 169.0. Ties are not counted.

Top 20 by Significance

17 April 1985

Top 20 records on 17 April 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1985	Vila Carmem, BR	daily rain	64.2 mm (2.5 in)	49.7 mm (2.0 in)	42 years	56 of 100 (Notable)
17 April 1985	Fazenda Boa Vista de Jacare, BR	daily rain	84.3 mm (3.3 in)	79.6 mm (3.1 in)	35 years	54 of 100 (Notable)
17 April 1985	Usina Ester, BR	daily rain	54.0 mm (2.1 in)	51.0 mm (2.0 in)	35 years	54 of 100 (Notable)
17 April 1985	Tarwin Lower (Riverside), AU	daily rain	28.4 mm (1.1 in)	15.7 mm (0.6 in)	91 years	53 of 100 (Notable)
17 April 1985	Chiang Mai, TH	daily rain	73.6 mm (2.9 in)	53.6 mm (2.1 in)	27 years	52 of 100 (Notable)
17 April 1985	Majuro Wbas AP, MH	daily rain	125.0 mm (4.9 in)	81.3 mm (3.2 in)	28 years	51 of 100 (Notable)
17 April 1985	Santa Lucia, BR	daily rain	36.9 mm (1.5 in)	36.9 mm (1.5 in)	48 years	48 of 100 (Notable)
17 April 1985	Catigua, BR	daily rain	63.7 mm (2.5 in)	45.3 mm (1.8 in)	40 years	46 of 100 (Notable)
17 April 1985	Evanston 1 E, US	monthly high min	11.1 C (52.0 F)	2.2 C (4.0 F)	74 years	46 of 100 (Notable)
17 April 1985	Cresciumal, BR	daily rain	48.0 mm (1.9 in)	31.9 mm (1.3 in)	40 years	45 of 100 (Notable)
17 April 1985	Sitio Sao Geraldo, BR	daily rain	44.5 mm (1.8 in)	34.5 mm (1.4 in)	40 years	45 of 100 (Notable)
17 April 1985	Balmoral, AU	daily rain	28.4 mm (1.1 in)	28.4 mm (1.1 in)	72 years	44 of 100 (Notable)
17 April 1985	Pirassununga, BR	daily rain	37.1 mm (1.5 in)	28.9 mm (1.1 in)	32 years	44 of 100 (Notable)
17 April 1985	Karlstad, SE	daily snow depth	24.9 cm (9.8 in)	16.9 cm (6.7 in)	48 years	44 of 100 (Notable)
17 April 1985	Green Rvr, US	daily high min	10.6 C (51.1 F)	5.0 C (9.0 F)	79 years	43 of 100 (Notable)
17 April 1985	Ft Kent, US	daily low min	-13.3 C (8.1 F)	3.3 C (5.9 F)	91 years	42 of 100 (Notable)
17 April 1985	Avai, BR	daily rain	45.8 mm (1.8 in)	40.3 mm (1.6 in)	14 years	41 of 100 (Notable)
17 April 1985	Spearfish, US	daily high min	16.7 C (62.1 F)	5.0 C (9.0 F)	79 years	41 of 100 (Notable)
17 April 1985	Yarram, AU	daily rain	34.9 mm (1.4 in)	2.9 mm (0.11 in)	90 years	40 of 100 (Notable)
17 April 1985	Lindoia, BR	daily rain	40.0 mm (1.6 in)	31.8 mm (1.3 in)	48 years	40 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

1799 to 1985

Records set or tied on this calendar date in each year from 1799 to 1985. 1985 had 917 records.

Counts for years before the ledger starts come from the same station rules.

Records on 04-17 in each year
Year	Records
1799	1
1807	1
1808	1
1815	1
1817	1
1818	1
1819	1
1823	1
1825	1
1830	1
1835	3
1837	1
1845	1
1847	2
1851	1
1852	3
1853	1
1854	1
1855	1
1857	1
1858	1
1862	1
1865	2
1868	1
1873	4
1874	1
1875	3
1877	4
1878	2
1880	2
1889	1
1890	2
1891	2
1892	4
1894	5
1895	1
1896	5
1897	6
1898	3
1899	1
1900	2
1901	4
1902	4
1903	5
1904	19
1905	11
1906	14
1907	16
1908	38
1909	7
1910	29
1911	33
1912	27
1913	20
1914	83
1915	30
1916	30
1917	32
1918	35
1919	39
1920	87
1921	148
1922	96
1923	71
1924	74
1925	103
1926	140
1927	256
1928	308
1929	145
1930	238
1931	216
1932	615
1933	261
1934	234
1935	374
1936	308
1937	439
1938	564
1939	618
1940	337
1941	460
1942	415
1943	285
1944	334
1945	475
1946	492
1947	461
1948	622
1949	439
1950	293
1951	441
1952	529
1953	818
1954	650
1955	394
1956	486
1957	277
1958	702
1959	434
1960	553
1961	667
1962	597
1963	702
1964	766
1965	411
1966	409
1967	935
1968	745
1969	728
1970	547
1971	924
1972	546
1973	589
1974	244
1975	666
1976	1,630
1977	906
1978	620
1979	810
1980	675
1981	621
1982	965
1983	1,365
1984	720
1985	917
1986	997
1987	960
1988	1,082
1989	638
1990	1,065
1991	614
1992	1,105
1993	847
1994	1,047
1995	1,211
1996	1,044
1997	889
1998	1,795
1999	1,730
2000	1,082
2001	1,013
2002	2,284
2003	1,037
2004	761
2005	572
2006	1,430
2007	863
2008	842
2009	779
2010	606
2011	982
2012	920
2013	1,796
2014	913
2015	813
2016	977
2017	469
2018	1,585
2019	458
2020	1,165
2021	701
2022	831
2023	628
2024	690
2025	1,058
2026	838

Download the Data

Data for records on 1985-04-17: 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	703
25 to 50	37
50 to 75	8
75 to 100	3
100 to 125	0
125 to 150	0
150 to 175	1