Weather Records on 11 March 1986

747 weather records were set or tied worldwide on 11 March 1986. Highest significance: Cwencwe (Bos), ZA.

Key Facts for 11 March 1986

On 11 March 1986, 747 weather records were set or tied at long-record stations worldwide.
413 were record highs and 71 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 741 daily.
Cwencwe (Bos) set a monthly record daily precipitation of 160.0 mm (6.3 in) on 11 March 1986.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 472 records.

Record Map

747 stations

747 station records on 11 March 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 March 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cwencwe (Bos)	South Africa	Record daily precipitation	160.0 mm (6.3 in)	67 of 100 (Major)
Cuddalore	India	Record daily precipitation	90.9 mm (3.6 in)	60 of 100 (Major)
Tiruchchirapalli	India	Record daily precipitation	29.0 mm (1.1 in)	60 of 100 (Major)
Bulwer (Tnk)	South Africa	Record daily precipitation	77.0 mm (3.0 in)	49 of 100 (Notable)
Appleton	United States	Record daily precipitation	32.3 mm (1.3 in)	48 of 100 (Notable)
Granta	South Africa	Record daily precipitation	54.4 mm (2.1 in)	47 of 100 (Notable)
Tanhurst Est, Umzint	South Africa	Record daily precipitation	83.1 mm (3.3 in)	47 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	45.2 mm (1.8 in)	47 of 100 (Notable)
Impendle (Pol)	South Africa	Record daily precipitation	69.0 mm (2.7 in)	45 of 100 (Notable)
Huajintlan	Mexico	Record low maximum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Sawoti	South Africa	Record daily precipitation	74.2 mm (2.9 in)	44 of 100 (Notable)
Experiment Station	South Africa	Record daily precipitation	107.1 mm (4.2 in)	44 of 100 (Notable)
Yucca 1 NNE	United States	Record daily precipitation	41.7 mm (1.6 in)	44 of 100 (Notable)
Wikieup	United States	Record daily precipitation	41.9 mm (1.6 in)	42 of 100 (Notable)
Rocky Mt	United States	Record high minimum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Radolfzell-Markelfingen	Germany	Record snow depth	15.0 cm (5.9 in)	41 of 100 (Notable)
Grahamstown	South Africa	Record daily precipitation	30.7 mm (1.2 in)	41 of 100 (Notable)
Salisbury	United States	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Lajas Substn	Puerto Rico [United States]	Record high maximum temperature	32.8 C (91.0 F)	39 of 100 (Notable)
Cromleigh,Ixopo	South Africa	Record daily precipitation	64.3 mm (2.5 in)	39 of 100 (Notable)
Komga (Pol)	South Africa	Record daily precipitation	51.0 mm (2.0 in)	38 of 100 (Notable)
Black Rvr Pumps	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Mt Airy 2 W	United States	Record high minimum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
Canal Pt USDA	United States	Record daily precipitation	64.8 mm (2.6 in)	37 of 100 (Notable)
Beaverhead R/S	United States	Record snow depth	10.2 cm (4.0 in)	37 of 100 (Notable)
Santuck	United States	Record high minimum temperature	16.1 C (61.0 F)	37 of 100 (Notable)
Richmond-Natal (Tnk)	South Africa	Record daily precipitation	43.0 mm (1.7 in)	36 of 100 (Notable)
Moore Haven Lock 1	United States	Record daily precipitation	74.9 mm (2.9 in)	36 of 100 (Notable)
Dalby Post Office	Australia	Record low minimum temperature	8.2 C (46.8 F)	35 of 100 (Notable)
Brindisi	Italy	Record daily precipitation	28.4 mm (1.1 in)	35 of 100 (Notable)
Snowhill	South Africa	Record daily precipitation	52.0 mm (2.0 in)	35 of 100 (Notable)
Monroe 2 SE	United States	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Roxboro 7 ESE	United States	Record high minimum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Uniontown 1 NE	United States	Record high maximum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Marion	United States	Record high minimum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Headworks Portland Wtr B	United States	Record high minimum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Fredericksburg Np	United States	Record high minimum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Wytheville	United States	Record high minimum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Burketown Post Office	Australia	Record high maximum temperature	39.1 C (102.4 F)	33 of 100 (Routine)
San Dimas Fire Fc 95	United States	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
Eastman 1 W	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Monticello	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Darlington	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Williamson	United States	Record high maximum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Sage 4 NNW	United States	Record daily snowfall	7.6 cm (3.0 in)	33 of 100 (Routine)
East London -Signal STN	South Africa	Record daily precipitation	97.0 mm (3.8 in)	32 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record high maximum temperature	28.9 C (84.0 F)	32 of 100 (Routine)
Chestnut Hill	United States	Record high minimum temperature	10.6 C (51.1 F)	32 of 100 (Routine)
Reykjavik	Iceland	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
Isidinge (Bos)	South Africa	Record daily precipitation	41.0 mm (1.6 in)	31 of 100 (Routine)
Appleton	United States	Record daily snowfall	16.5 cm (6.5 in)	31 of 100 (Routine)
Hachijojima	Japan	Record daily precipitation	70.0 mm (2.8 in)	30 of 100 (Routine)
Antonio Escobedo (Smn)	Mexico	Record low maximum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Elandshoek, Boston	South Africa	Record daily precipitation	62.2 mm (2.4 in)	30 of 100 (Routine)
Kroonplaats	South Africa	Record daily precipitation	29.0 mm (1.1 in)	30 of 100 (Routine)
Hawkestone, Howick	South Africa	Record daily precipitation	55.0 mm (2.2 in)	30 of 100 (Routine)
Walterboro 1 SW	United States	Record high minimum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Winner	United States	Record high minimum temperature	3.9 C (39.0 F)	30 of 100 (Routine)
Dale Enterprise	United States	Record high minimum temperature	11.1 C (52.0 F)	30 of 100 (Routine)
Kainaliu 73.2	United States	Record high minimum temperature	18.9 C (66.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

747 records

Records set or tied on 11 March 1986 by type: Highest daily maximum 172, Lowest daily maximum 21, Highest daily minimum 241, Lowest daily minimum 50, Heaviest daily rainfall 234, Heaviest daily snowfall 18, Deepest snow cover 11.

Records on 11 March 1986 by type
Record type	Records
Highest daily maximum	172
Lowest daily maximum	21
Highest daily minimum	241
Lowest daily minimum	50
Heaviest daily rainfall	234
Heaviest daily snowfall	18
Deepest snow cover	11

Records on 11 March 1986 by timescale: all-time 1, monthly 5, daily 741.

How Much Records Were Beaten By

560 broken records

Margins by which the 560 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

11 March 1986

Top 20 records on 11 March 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 March 1986	Cwencwe (Bos), ZA	monthly rain	160.0 mm (6.3 in)	69.6 mm (2.7 in)	42 years	67 of 100 (Major)
11 March 1986	Cuddalore, IN	daily rain	90.9 mm (3.6 in)	90.6 mm (3.6 in)	79 years	60 of 100 (Major)
11 March 1986	Tiruchchirapalli, IN	daily rain	29.0 mm (1.1 in)	29.0 mm (1.1 in)	84 years	60 of 100 (Major)
11 March 1986	Bulwer (Tnk), ZA	daily rain	77.0 mm (3.0 in)	54.0 mm (2.1 in)	11 years	49 of 100 (Notable)
11 March 1986	Appleton, US	daily rain	32.3 mm (1.3 in)	21.9 mm (0.9 in)	24 years	48 of 100 (Notable)
11 March 1986	Granta, ZA	daily rain	54.4 mm (2.1 in)	25.2 mm (1.0 in)	64 years	47 of 100 (Notable)
11 March 1986	Tanhurst Est, Umzint, ZA	daily rain	83.1 mm (3.3 in)	56.7 mm (2.2 in)	23 years	47 of 100 (Notable)
11 March 1986	Lincoln UNIV Pwr Plt, US	daily rain	45.2 mm (1.8 in)	26.7 mm (1.1 in)	47 years	47 of 100 (Notable)
11 March 1986	Impendle (Pol), ZA	daily rain	69.0 mm (2.7 in)	41.0 mm (1.6 in)	19 years	45 of 100 (Notable)
11 March 1986	Huajintlan, MX	daily low max	21.7 C (71.1 F)	6.1 C (11.0 F)	59 years	44 of 100 (Notable)
11 March 1986	Sawoti, ZA	daily rain	74.2 mm (2.9 in)	34.3 mm (1.4 in)	60 years	44 of 100 (Notable)
11 March 1986	Experiment Station, ZA	daily rain	107.1 mm (4.2 in)	53.5 mm (2.1 in)	12 years	44 of 100 (Notable)
11 March 1986	Yucca 1 NNE, US	daily rain	41.7 mm (1.6 in)	32.8 mm (1.3 in)	5 years	44 of 100 (Notable)
11 March 1986	Wikieup, US	daily rain	41.9 mm (1.6 in)	22.6 mm (0.9 in)	33 years	42 of 100 (Notable)
11 March 1986	Rocky Mt, US	daily high min	13.9 C (57.0 F)	3.9 C (7.0 F)	87 years	42 of 100 (Notable)
11 March 1986	Radolfzell-Markelfingen, DE	daily snow depth	15.0 cm (5.9 in)	9.0 cm (3.5 in)	20 years	41 of 100 (Notable)
11 March 1986	Grahamstown, ZA	daily rain	30.7 mm (1.2 in)	5.3 mm (0.21 in)	91 years	41 of 100 (Notable)
11 March 1986	Salisbury, US	daily high min	16.7 C (62.1 F)	3.4 C (6.1 F)	86 years	40 of 100 (Notable)
11 March 1986	Lajas Substn, PR	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	85 years	39 of 100 (Notable)
11 March 1986	Cromleigh,Ixopo, ZA	daily rain	64.3 mm (2.5 in)	31.3 mm (1.2 in)	28 years	39 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 1986

Records set or tied on this calendar date in each year from 1793 to 1986. 1986 had 747 records.

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

Records on 03-11 in each year
Year	Records
1793	1
1810	3
1814	1
1822	1
1844	1
1845	2
1847	3
1849	1
1850	2
1854	3
1855	1
1858	3
1859	1
1860	2
1862	1
1863	1
1868	1
1870	1
1874	2
1877	1
1878	1
1879	2
1880	1
1881	5
1882	2
1883	1
1884	1
1885	2
1886	3
1888	4
1889	1
1890	4
1891	5
1892	3
1893	2
1894	6
1896	4
1897	4
1898	2
1899	1
1900	4
1901	13
1902	8
1903	12
1904	7
1905	6
1906	38
1907	7
1908	10
1909	26
1910	19
1911	19
1912	19
1913	22
1914	25
1915	18
1916	29
1917	49
1918	58
1919	39
1920	15
1921	66
1922	42
1923	78
1924	265
1925	264
1926	134
1927	277
1928	119
1929	210
1930	105
1931	273
1932	1,123
1933	300
1934	764
1935	520
1936	356
1937	188
1938	120
1939	569
1940	417
1941	265
1942	225
1943	251
1944	304
1945	262
1946	461
1947	234
1948	2,148
1949	329
1950	671
1951	677
1952	804
1953	330
1954	489
1955	1,103
1956	964
1957	521
1958	441
1959	189
1960	1,115
1961	353
1962	674
1963	440
1964	296
1965	386
1966	539
1967	1,272
1968	519
1969	1,093
1970	389
1971	552
1972	1,320
1973	1,406
1974	956
1975	592
1976	375
1977	1,690
1978	579
1979	891
1980	472
1981	1,539
1982	807
1983	943
1984	743
1985	829
1986	747
1987	596
1988	1,176
1989	1,894
1990	2,496
1991	532
1992	1,083
1993	561
1994	689
1995	1,138
1996	1,339
1997	1,152
1998	2,609
1999	533
2000	1,199
2001	802
2002	736
2003	935
2004	826
2005	988
2006	1,590
2007	830
2008	816
2009	1,195
2010	966
2011	734
2012	868
2013	949
2014	556
2015	897
2016	1,249
2017	483
2018	479
2019	767
2020	605
2021	980
2022	1,203
2023	984
2024	424
2025	699
2026	1,580

Download the Data

Data for records on 1986-03-11: 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	542
50 to 100	15
100 to 150	2
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1