Weather Records on 18 March 1986

626 weather records were set or tied worldwide on 18 March 1986. Highest significance: Bryant, US.

Key Facts for 18 March 1986

On 18 March 1986, 626 weather records were set or tied at long-record stations worldwide.
157 were record highs and 143 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 613 daily.
Bryant set a daily record snowfall of 20.3 cm (8.0 in) on 18 March 1986.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 476 records.

Record Map

626 stations

626 station records on 18 March 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bryant	United States	Record daily snowfall	20.3 cm (8.0 in)	64 of 100 (Major)
Green Bay	United States	Record daily precipitation	28.2 mm (1.1 in)	59 of 100 (Notable)
Philip AP	United States	Record daily precipitation	25.4 mm (1.0 in)	58 of 100 (Notable)
Wausau ASOS	United States	Record daily precipitation	36.1 mm (1.4 in)	54 of 100 (Notable)
Denison	United States	Record daily precipitation	39.4 mm (1.6 in)	52 of 100 (Notable)
Blunt	United States	Record daily precipitation	28.7 mm (1.1 in)	51 of 100 (Notable)
Kanawha	United States	Record daily precipitation	36.6 mm (1.4 in)	49 of 100 (Notable)
Fada N'Gourma	Burkina Faso	Record daily precipitation	66.0 mm (2.6 in)	49 of 100 (Notable)
Placerville 3SE	United States	Record snow depth	48.3 cm (19.0 in)	48 of 100 (Notable)
Lares	Puerto Rico [United States]	Record daily precipitation	87.6 mm (3.4 in)	47 of 100 (Notable)
Marshall	United States	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Wisconsin Rapids	United States	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Chiricahua Nm	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Miller	United States	Record daily precipitation	35.8 mm (1.4 in)	45 of 100 (Notable)
Miller	United States	Record daily snowfall	20.3 cm (8.0 in)	45 of 100 (Notable)
Itajobi	Brazil	Record daily precipitation	92.7 mm (3.6 in)	44 of 100 (Notable)
Villa Purificacion (Dge)	Mexico	Record high minimum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
La Crosse River	United States	Record daily precipitation	36.8 mm (1.4 in)	44 of 100 (Notable)
Naalehu 14	United States	Record high maximum temperature	30.6 C (87.1 F)	42 of 100 (Notable)
Chitipa	Malawi	Record daily precipitation	80.9 mm (3.2 in)	41 of 100 (Notable)
Anderson 1 N	United States	Record daily precipitation	32.8 mm (1.3 in)	41 of 100 (Notable)
Minden	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Longvalley	United States	Record snow depth	30.5 cm (12.0 in)	41 of 100 (Notable)
Albany	United States	Record daily precipitation	26.7 mm (1.1 in)	41 of 100 (Notable)
Highmore 23 N	United States	Record daily snowfall	17.8 cm (7.0 in)	40 of 100 (Notable)
Rest Lake	United States	Record daily snowfall	29.2 cm (11.5 in)	40 of 100 (Notable)
Algona	United States	Record daily precipitation	29.5 mm (1.2 in)	39 of 100 (Notable)
Bricelyn	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Madison	United States	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Tucson Camp Ave Exp	United States	Record low maximum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Britt 3E	United States	Record daily precipitation	39.6 mm (1.6 in)	38 of 100 (Notable)
Lyons	United States	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
St Peter	United States	Record daily precipitation	28.4 mm (1.1 in)	37 of 100 (Notable)
Zumbrota	United States	Record daily precipitation	28.7 mm (1.1 in)	37 of 100 (Notable)
Storm Lake	United States	Record daily precipitation	30.7 mm (1.2 in)	36 of 100 (Notable)
Luverne	United States	Record daily precipitation	30.7 mm (1.2 in)	36 of 100 (Notable)
Interior 3 NE	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Forest City 2 NNE	United States	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Swea City 5N	United States	Record daily precipitation	39.4 mm (1.6 in)	35 of 100 (Notable)
Petropavlovskij Majak	Russia	Record daily precipitation	41.0 mm (1.6 in)	34 of 100 (Routine)
Jakutsk	Russia	Record high minimum temperature	-14.4 C (6.1 F)	34 of 100 (Routine)
Dolores	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Cherokee	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Webster City	United States	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Ellsworth 1E	United States	Record daily precipitation	28.2 mm (1.1 in)	34 of 100 (Routine)
Yeso 2 S	United States	Record daily snowfall	6.4 cm (2.5 in)	33 of 100 (Routine)
Gettysburg	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Cortez	United States	Record snow depth	15.2 cm (6.0 in)	32 of 100 (Routine)
Pocahontas	United States	Record daily precipitation	31.5 mm (1.2 in)	32 of 100 (Routine)
St James Wwtp	United States	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)
Corinth 5 WSW	United States	Record daily precipitation	51.3 mm (2.0 in)	32 of 100 (Routine)
Clarion	United States	Record daily precipitation	32.8 mm (1.3 in)	31 of 100 (Routine)
Rockwell City	United States	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Stanton	United States	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Onida 4 NW	United States	Record daily snowfall	15.2 cm (6.0 in)	31 of 100 (Routine)
Ponte Do Souza	Brazil	Record daily precipitation	71.0 mm (2.8 in)	30 of 100 (Routine)
Dolores	United States	Record daily snowfall	25.4 cm (10.0 in)	30 of 100 (Routine)
Ida Grove 5NW	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Lenora Coop	United States	Record daily precipitation	25.7 mm (1.0 in)	30 of 100 (Routine)

Counts by Type and Timescale

626 records

Records set or tied on 18 March 1986 by type: Highest daily maximum 88, Lowest daily maximum 80, Highest daily minimum 69, Lowest daily minimum 63, Heaviest daily rainfall 275, Heaviest daily snowfall 34, Deepest snow cover 17.

Records on 18 March 1986 by type
Record type	Records
Highest daily maximum	88
Lowest daily maximum	80
Highest daily minimum	69
Lowest daily minimum	63
Heaviest daily rainfall	275
Heaviest daily snowfall	34
Deepest snow cover	17

Records on 18 March 1986 by timescale: all-time 0, monthly 13, daily 613.

How Much Records Were Beaten By

519 broken records

Margins by which the 519 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

18 March 1986

Top 20 records on 18 March 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1986	Bryant, US	daily snowfall	20.3 cm (8.0 in)	19.0 cm (7.5 in)	71 years	64 of 100 (Major)
18 March 1986	Green Bay, US	daily rain	28.2 mm (1.1 in)	15.2 mm (0.6 in)	80 years	59 of 100 (Notable)
18 March 1986	Philip AP, US	daily rain	25.4 mm (1.0 in)	16.3 mm (0.6 in)	36 years	58 of 100 (Notable)
18 March 1986	Wausau ASOS, US	daily rain	36.1 mm (1.4 in)	26.7 mm (1.1 in)	33 years	54 of 100 (Notable)
18 March 1986	Denison, US	daily rain	39.4 mm (1.6 in)	14.0 mm (0.6 in)	88 years	52 of 100 (Notable)
18 March 1986	Blunt, US	daily rain	28.7 mm (1.1 in)	19.6 mm (0.8 in)	72 years	51 of 100 (Notable)
18 March 1986	Kanawha, US	daily rain	36.6 mm (1.4 in)	26.2 mm (1.0 in)	20 years	49 of 100 (Notable)
18 March 1986	Fada N'Gourma, BF	daily rain	66.0 mm (2.6 in)	62.1 mm (2.4 in)	19 years	49 of 100 (Notable)
18 March 1986	Placerville 3SE, US	daily snow depth	48.3 cm (19.0 in)	43.2 cm (17.0 in)	16 years	48 of 100 (Notable)
18 March 1986	Lares, PR	daily rain	87.6 mm (3.4 in)	25.4 mm (1.0 in)	76 years	47 of 100 (Notable)
18 March 1986	Marshall, US	daily rain	38.1 mm (1.5 in)	25.7 mm (1.0 in)	17 years	46 of 100 (Notable)
18 March 1986	Wisconsin Rapids, US	monthly rain	41.9 mm (1.6 in)	3.8 mm (0.15 in)	79 years	46 of 100 (Notable)
18 March 1986	Chiricahua Nm, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	76 years	45 of 100 (Notable)
18 March 1986	Miller, US	daily rain	35.8 mm (1.4 in)	11.2 mm (0.4 in)	64 years	45 of 100 (Notable)
18 March 1986	Miller, US	daily snowfall	20.3 cm (8.0 in)	8.9 cm (3.5 in)	65 years	45 of 100 (Notable)
18 March 1986	Itajobi, BR	daily rain	92.7 mm (3.6 in)	48.0 mm (1.9 in)	33 years	44 of 100 (Notable)
18 March 1986	Villa Purificacion (Dge), MX	daily high min	25.0 C (77.0 F)	7.2 C (13.0 F)	35 years	44 of 100 (Notable)
18 March 1986	La Crosse River, US	daily rain	36.8 mm (1.4 in)	15.5 mm (0.6 in)	35 years	44 of 100 (Notable)
18 March 1986	Naalehu 14, US	daily high max	30.6 C (87.1 F)	2.8 C (5.0 F)	63 years	42 of 100 (Notable)
18 March 1986	Chitipa, MW	daily rain	80.9 mm (3.2 in)	41.8 mm (1.6 in)	12 years	41 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

1806 to 1986

Records set or tied on this calendar date in each year from 1806 to 1986. 1986 had 626 records.

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

Records on 03-18 in each year
Year	Records
1806	1
1807	1
1808	1
1810	1
1814	1
1831	1
1836	1
1839	1
1845	1
1849	1
1850	5
1853	2
1859	1
1863	1
1865	2
1867	1
1868	3
1876	1
1881	1
1882	3
1884	3
1885	1
1887	1
1888	4
1890	3
1891	3
1892	2
1893	1
1894	1
1895	2
1896	10
1897	14
1898	5
1899	8
1900	14
1901	2
1902	9
1903	22
1904	9
1905	19
1906	13
1907	11
1908	8
1909	9
1910	12
1911	17
1912	16
1913	24
1914	32
1915	30
1916	73
1917	45
1918	32
1919	25
1920	39
1921	66
1922	39
1923	262
1924	96
1925	145
1926	251
1927	376
1928	301
1929	106
1930	261
1931	167
1932	212
1933	244
1934	375
1935	87
1936	699
1937	296
1938	304
1939	750
1940	444
1941	954
1942	382
1943	603
1944	321
1945	751
1946	492
1947	328
1948	296
1949	292
1950	1,042
1951	582
1952	474
1953	218
1954	355
1955	469
1956	363
1957	374
1958	347
1959	392
1960	585
1961	579
1962	284
1963	665
1964	348
1965	1,584
1966	540
1967	1,396
1968	915
1969	601
1970	533
1971	405
1972	1,028
1973	716
1974	694
1975	614
1976	538
1977	684
1978	1,003
1979	894
1980	588
1981	570
1982	1,284
1983	1,225
1984	446
1985	731
1986	626
1987	933
1988	1,001
1989	1,147
1990	1,478
1991	706
1992	789
1993	1,683
1994	960
1995	833
1996	518
1997	1,024
1998	1,144
1999	1,051
2000	524
2001	841
2002	1,562
2003	1,425
2004	1,232
2005	1,178
2006	551
2007	1,330
2008	1,066
2009	776
2010	678
2011	993
2012	3,348
2013	783
2014	701
2015	943
2016	675
2017	1,183
2018	921
2019	666
2020	672
2021	562
2022	476
2023	890
2024	843
2025	728
2026	2,870

Download the Data

Data for records on 1986-03-18: 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	510
100 to 200	8
200 to 300	0
300 to 400	0
400 to 500	1