Weather Records on 18 March 1981

570 weather records were set or tied worldwide on 18 March 1981. Highest significance: Lagoa da Canoa, BR.

Key Facts for 18 March 1981

On 18 March 1981, 570 weather records were set or tied at long-record stations worldwide.
167 were record highs and 69 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 19 monthly and 548 daily.
Lagoa da Canoa set an all-time record daily precipitation of 156.3 mm (6.2 in) on 18 March 1981.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 477 records.

Record Map

570 stations

570 station records on 18 March 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lagoa da Canoa	Brazil	Record daily precipitation	156.3 mm (6.2 in)	69 of 100 (Major)
Anadia	Brazil	Record daily precipitation	72.3 mm (2.8 in)	63 of 100 (Major)
Queimadas	Brazil	Record daily precipitation	108.0 mm (4.3 in)	63 of 100 (Major)
Vitoria de Santo Antao	Brazil	Record daily precipitation	131.6 mm (5.2 in)	59 of 100 (Notable)
Goldbutte 7 N	United States	Record daily snowfall	20.3 cm (8.0 in)	54 of 100 (Notable)
Osijek	Croatia	Record daily precipitation	30.6 mm (1.2 in)	53 of 100 (Notable)
Fairfield	United States	Record daily snowfall	17.8 cm (7.0 in)	52 of 100 (Notable)
Caraguatatuba	Brazil	Record daily precipitation	117.7 mm (4.6 in)	51 of 100 (Notable)
Icem (Usina Marimbondo)	Brazil	Record daily precipitation	100.8 mm (4.0 in)	47 of 100 (Notable)
Santo Domingo	Mexico	Record daily precipitation	95.8 mm (3.8 in)	47 of 100 (Notable)
Belgrade (Observatory)	Serbia	Record daily precipitation	27.1 mm (1.1 in)	46 of 100 (Notable)
Durham	Canada	Record low minimum temperature	-24.5 C (-12.1 F)	44 of 100 (Notable)
Gander Int'l A	Canada	Record daily precipitation	49.8 mm (2.0 in)	44 of 100 (Notable)
Squa Pan Dam	United States	Record daily snowfall	40.6 cm (16.0 in)	44 of 100 (Notable)
Goldbutte 7 N	United States	Record snow depth	50.8 cm (20.0 in)	42 of 100 (Notable)
Cascade 5 S	United States	Record snow depth	35.6 cm (14.0 in)	40 of 100 (Notable)
Aughrabies	South Africa	Record daily precipitation	45.2 mm (1.8 in)	39 of 100 (Notable)
Puntilla	United States	Record daily snowfall	20.3 cm (8.0 in)	39 of 100 (Notable)
Propria	Brazil	Record daily precipitation	38.2 mm (1.5 in)	37 of 100 (Notable)
Cruz Do Espirito Santo	Brazil	Record daily precipitation	91.1 mm (3.6 in)	37 of 100 (Notable)
Limoeiro de Anadia	Brazil	Record daily precipitation	49.7 mm (2.0 in)	37 of 100 (Notable)
Lingling	China	Record daily precipitation	59.6 mm (2.3 in)	37 of 100 (Notable)
Ft Kent	United States	Record daily snowfall	30.5 cm (12.0 in)	37 of 100 (Notable)
Conceicao Dos Ouros	Brazil	Record daily precipitation	71.2 mm (2.8 in)	35 of 100 (Notable)
Ottawa	United States	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Coupeville 1 S	United States	Record high maximum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Cordova AP	United States	Record high maximum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Guaxupe Aneel/Cesp	Brazil	Record daily precipitation	53.0 mm (2.1 in)	34 of 100 (Routine)
Alhandra	Brazil	Record daily precipitation	198.0 mm (7.8 in)	34 of 100 (Routine)
Hafslo	Norway	Record snow depth	118.0 cm (46.5 in)	34 of 100 (Routine)
Washington 1 W	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Fairfield	United States	Record snow depth	27.9 cm (11.0 in)	34 of 100 (Routine)
Seward AP	United States	Record daily precipitation	57.9 mm (2.3 in)	34 of 100 (Routine)
Vicosa	Brazil	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
Estevan Point	Canada	Record high maximum temperature	18.0 C (64.4 F)	33 of 100 (Routine)
Corner Brook	Canada	Record daily snowfall	21.8 cm (8.6 in)	33 of 100 (Routine)
Hateruma	Japan	Record daily precipitation	62.0 mm (2.4 in)	33 of 100 (Routine)
Morgan 1 W	United States	Record low minimum temperature	-2.8 C (27.0 F)	33 of 100 (Routine)
Vanceburg	United States	Record daily snowfall	7.6 cm (3.0 in)	33 of 100 (Routine)
Cococi	Brazil	Record daily precipitation	80.4 mm (3.2 in)	32 of 100 (Routine)
Alert Bay	Canada	Record high maximum temperature	16.2 C (61.2 F)	32 of 100 (Routine)
Regensburg	Germany	Record snow depth	13.0 cm (5.1 in)	32 of 100 (Routine)
Ex Hacienda San Diego	Mexico	Record high minimum temperature	19.4 C (66.9 F)	32 of 100 (Routine)
Webster Springs	United States	Record snow depth	10.2 cm (4.0 in)	32 of 100 (Routine)
Catucaba	Brazil	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Curralinho	Brazil	Record daily precipitation	100.5 mm (4.0 in)	31 of 100 (Routine)
Franklinville	United States	Record low minimum temperature	-22.8 C (-9.0 F)	31 of 100 (Routine)
Pitas	Brazil	Record daily precipitation	49.7 mm (2.0 in)	30 of 100 (Routine)
Guaiuba	Brazil	Record daily precipitation	81.2 mm (3.2 in)	30 of 100 (Routine)
Rudnaja Pristan	Russia	Record high maximum temperature	15.4 C (59.7 F)	30 of 100 (Routine)
Istanbul	Turkey	Record high maximum temperature	24.0 C (75.2 F)	30 of 100 (Routine)
Gulkana AP	United States	Record high maximum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Aiuaba (Bebedouro)	Brazil	Record daily precipitation	43.0 mm (1.7 in)	29 of 100 (Routine)
Ocean Falls	Canada	Record high maximum temperature	16.0 C (60.8 F)	29 of 100 (Routine)
Bge C Lac Chateauvert	Canada	Record daily snowfall	12.7 cm (5.0 in)	29 of 100 (Routine)
Ville Marie	Canada	Record daily snowfall	10.0 cm (3.9 in)	29 of 100 (Routine)
Campo Dos Cavalos	Brazil	Record daily precipitation	116.4 mm (4.6 in)	28 of 100 (Routine)
Fazenda Cascata	Brazil	Record daily precipitation	85.3 mm (3.4 in)	28 of 100 (Routine)
Atalaia	Brazil	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Barkestad	Norway	Record snow depth	172.0 cm (67.7 in)	28 of 100 (Routine)

Counts by Type and Timescale

570 records

Records set or tied on 18 March 1981 by type: Highest daily maximum 99, Lowest daily maximum 20, Highest daily minimum 68, Lowest daily minimum 49, Heaviest daily rainfall 246, Heaviest daily snowfall 61, Deepest snow cover 27.

Records on 18 March 1981 by type
Record type	Records
Highest daily maximum	99
Lowest daily maximum	20
Highest daily minimum	68
Lowest daily minimum	49
Heaviest daily rainfall	246
Heaviest daily snowfall	61
Deepest snow cover	27

Records on 18 March 1981 by timescale: all-time 3, monthly 19, daily 548.

How Much Records Were Beaten By

487 broken records

Margins by which the 487 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

18 March 1981

Top 20 records on 18 March 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1981	Lagoa da Canoa, BR	all-time rain	156.3 mm (6.2 in)	39.3 mm (1.5 in)	17 years	69 of 100 (Major)
18 March 1981	Anadia, BR	daily rain	72.3 mm (2.8 in)	55.1 mm (2.2 in)	56 years	63 of 100 (Major)
18 March 1981	Queimadas, BR	daily rain	108.0 mm (4.3 in)	65.9 mm (2.6 in)	55 years	63 of 100 (Major)
18 March 1981	Vitoria de Santo Antao, BR	daily rain	131.6 mm (5.2 in)	80.7 mm (3.2 in)	46 years	59 of 100 (Notable)
18 March 1981	Goldbutte 7 N, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	26 years	54 of 100 (Notable)
18 March 1981	Osijek, HR	daily rain	30.6 mm (1.2 in)	16.2 mm (0.6 in)	48 years	53 of 100 (Notable)
18 March 1981	Fairfield, US	daily snowfall	17.8 cm (7.0 in)	15.3 cm (6.0 in)	24 years	52 of 100 (Notable)
18 March 1981	Caraguatatuba, BR	daily rain	117.7 mm (4.6 in)	86.2 mm (3.4 in)	27 years	51 of 100 (Notable)
18 March 1981	Icem (Usina Marimbondo), BR	daily rain	100.8 mm (4.0 in)	68.3 mm (2.7 in)	11 years	47 of 100 (Notable)
18 March 1981	Santo Domingo, MX	daily rain	95.8 mm (3.8 in)	66.3 mm (2.6 in)	28 years	47 of 100 (Notable)
18 March 1981	Belgrade (Observatory), RS	daily rain	27.1 mm (1.1 in)	18.5 mm (0.7 in)	26 years	46 of 100 (Notable)
18 March 1981	Durham, CA	daily low min	-24.5 C (-12.1 F)	4.5 C (8.1 F)	95 years	44 of 100 (Notable)
18 March 1981	Gander Int'l A, CA	daily rain	49.8 mm (2.0 in)	33.0 mm (1.3 in)	2 years	44 of 100 (Notable)
18 March 1981	Squa Pan Dam, US	daily snowfall	40.6 cm (16.0 in)	25.4 cm (10.0 in)	18 years	44 of 100 (Notable)
18 March 1981	Goldbutte 7 N, US	daily snow depth	50.8 cm (20.0 in)	22.9 cm (9.0 in)	23 years	42 of 100 (Notable)
18 March 1981	Cascade 5 S, US	monthly snow depth	35.6 cm (14.0 in)	2.6 cm (1.0 in)	64 years	40 of 100 (Notable)
18 March 1981	Aughrabies, ZA	daily rain	45.2 mm (1.8 in)	37.2 mm (1.5 in)	8 years	39 of 100 (Notable)
18 March 1981	Puntilla, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	11 years	39 of 100 (Notable)
18 March 1981	Propria, BR	daily rain	38.2 mm (1.5 in)	24.2 mm (1.0 in)	32 years	37 of 100 (Notable)
18 March 1981	Cruz Do Espirito Santo, BR	daily rain	91.1 mm (3.6 in)	25.4 mm (1.0 in)	55 years	37 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 1981

Records set or tied on this calendar date in each year from 1806 to 1981. 1981 had 570 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 1981-03-18: 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 2026-10-16 (16 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	454
50 to 100	20
100 to 150	8
150 to 200	2
200 to 250	2
250 to 300	1