Weather Records on 20 March 2005

602 weather records were set or tied worldwide on 20 March 2005. Highest significance: Alton, US.

Key Facts for 20 March 2005

On 20 March 2005, 602 weather records were set or tied at long-record stations worldwide.
286 were record highs and 106 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 593 daily.
Alton set a daily record precipitation of 36.1 mm (1.4 in) on 20 March 2005.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 454 records.

Record Map

602 stations

602 station records on 20 March 2005 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 2005: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alton	United States	Record daily precipitation	36.1 mm (1.4 in)	69 of 100 (Major)
Abu Hamed	Sudan	Record daily precipitation	62.2 mm (2.4 in)	57 of 100 (Notable)
Robstown	United States	Record daily precipitation	43.7 mm (1.7 in)	53 of 100 (Notable)
Stanley	United States	Record daily precipitation	25.4 mm (1.0 in)	52 of 100 (Notable)
Wauneta	United States	Record daily precipitation	36.8 mm (1.4 in)	51 of 100 (Notable)
Alton	United States	Record daily snowfall	35.6 cm (14.0 in)	51 of 100 (Notable)
Mathis 4 SSW	United States	Record daily precipitation	75.9 mm (3.0 in)	50 of 100 (Notable)
Valley	United Kingdom	Record high maximum temperature	20.3 C (68.5 F)	46 of 100 (Notable)
Alice	United States	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Buenavista	Mexico	Record high minimum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	56.9 mm (2.2 in)	44 of 100 (Notable)
Forks 1 E	United States	Record daily precipitation	105.2 mm (4.1 in)	44 of 100 (Notable)
Petoskey	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Conroe	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Karnes City 2N	United States	Record daily precipitation	50.3 mm (2.0 in)	40 of 100 (Notable)
Nampula	Mozambique	Record low minimum temperature	16.5 C (61.7 F)	38 of 100 (Notable)
Snake Creek Powerhouse	United States	Record high minimum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Poitiers - Biard	France	Record high maximum temperature	24.3 C (75.7 F)	37 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record high maximum temperature	35.0 C (95.0 F)	37 of 100 (Notable)
Portola	United States	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Mancos 1SW	United States	Record daily snowfall	12.7 cm (5.0 in)	37 of 100 (Notable)
Hoquiam Bowerman AP	United States	Record daily precipitation	53.8 mm (2.1 in)	37 of 100 (Notable)
Ayutla	Mexico	Record high maximum temperature	39.4 C (102.9 F)	36 of 100 (Notable)
Puerto Montt	Chile	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Gauhati	India	Record daily precipitation	59.9 mm (2.4 in)	35 of 100 (Notable)
Truckee Rs	United States	Record daily precipitation	39.6 mm (1.6 in)	35 of 100 (Notable)
Minden	United States	Record daily snowfall	6.4 cm (2.5 in)	35 of 100 (Notable)
Dutch Harbor	United States	Record high minimum temperature	2.8 C (37.0 F)	35 of 100 (Notable)
Kosrae	Federated States of Micronesia	Record low maximum temperature	26.1 C (79.0 F)	34 of 100 (Routine)
El Triunfo	Mexico	Record high maximum temperature	45.6 C (114.1 F)	34 of 100 (Routine)
Lake Sharpe Prj	United States	Record daily snowfall	11.2 cm (4.4 in)	34 of 100 (Routine)
Quilcene 2 SW	United States	Record daily precipitation	72.1 mm (2.8 in)	34 of 100 (Routine)
Hatfield	United States	Record snow depth	73.7 cm (29.0 in)	34 of 100 (Routine)
Hill City Muni AP	United States	Record daily precipitation	33.3 mm (1.3 in)	34 of 100 (Routine)
Tilzapotla	Mexico	Record low maximum temperature	23.9 C (75.0 F)	33 of 100 (Routine)
Brest-Guipavas	France	Record high maximum temperature	23.1 C (73.6 F)	32 of 100 (Routine)
Aberporth	United Kingdom	Record high maximum temperature	18.1 C (64.6 F)	32 of 100 (Routine)
Tahoe City	United States	Record daily precipitation	40.6 mm (1.6 in)	32 of 100 (Routine)
Ft Lewis	United States	Record low maximum temperature	-0.6 C (30.9 F)	32 of 100 (Routine)
Lanesboro	United States	Record snow depth	43.2 cm (17.0 in)	32 of 100 (Routine)
Port O'Connor	United States	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)
Juncos 1 SE	Puerto Rico [United States]	Record high maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Winnfield 3 N	United States	Record daily precipitation	47.5 mm (1.9 in)	31 of 100 (Routine)
Cross Village 1E	United States	Record daily snowfall	17.0 cm (6.7 in)	31 of 100 (Routine)
Blair	United States	Record snow depth	43.2 cm (17.0 in)	31 of 100 (Routine)
Daytona Beach	United States	Record low minimum temperature	4.4 C (39.9 F)	30 of 100 (Routine)
El Campo	United States	Record daily precipitation	32.3 mm (1.3 in)	30 of 100 (Routine)
City Creek Wtp	United States	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Kazalinsk	Kazakhstan	Record high maximum temperature	19.5 C (67.1 F)	29 of 100 (Routine)
Telchaquillo	Mexico	Record daily precipitation	55.9 mm (2.2 in)	29 of 100 (Routine)
Mancos 1SW	United States	Record snow depth	10.2 cm (4.0 in)	29 of 100 (Routine)
Emmitsburg 2 SE	United States	Record daily precipitation	58.4 mm (2.3 in)	29 of 100 (Routine)
Zion Np	United States	Record daily precipitation	31.5 mm (1.2 in)	29 of 100 (Routine)
Donnybrook	Australia	Record high minimum temperature	20.6 C (69.1 F)	28 of 100 (Routine)
Los Reyes	Mexico	Record low minimum temperature	0.0 C (32.0 F)	28 of 100 (Routine)
Guernsey: Airport	United Kingdom	Record high maximum temperature	18.3 C (64.9 F)	28 of 100 (Routine)
Cherry Valley Dam	United States	Record daily precipitation	62.2 mm (2.4 in)	28 of 100 (Routine)
Tillamook	United States	Record daily precipitation	41.1 mm (1.6 in)	28 of 100 (Routine)
Kzylzar	Kazakhstan	Record high minimum temperature	1.6 C (34.9 F)	27 of 100 (Routine)
Agua Tibia	Mexico	Record low maximum temperature	23.3 C (73.9 F)	27 of 100 (Routine)

Counts by Type and Timescale

602 records

Records set or tied on 20 March 2005 by type: Highest daily maximum 135, Lowest daily maximum 41, Highest daily minimum 151, Lowest daily minimum 65, Heaviest daily rainfall 159, Heaviest daily snowfall 32, Deepest snow cover 19.

Records on 20 March 2005 by type
Record type	Records
Highest daily maximum	135
Lowest daily maximum	41
Highest daily minimum	151
Lowest daily minimum	65
Heaviest daily rainfall	159
Heaviest daily snowfall	32
Deepest snow cover	19

Records on 20 March 2005 by timescale: all-time 0, monthly 9, daily 593.

How Much Records Were Beaten By

478 broken records

Margins by which the 478 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

20 March 2005

Top 20 records on 20 March 2005 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 2005	Alton, US	daily rain	36.1 mm (1.4 in)	25.2 mm (1.0 in)	87 years	69 of 100 (Major)
20 March 2005	Abu Hamed, SD	daily rain	62.2 mm (2.4 in)	62.2 mm (2.4 in)	46 years	57 of 100 (Notable)
20 March 2005	Robstown, US	daily rain	43.7 mm (1.7 in)	28.5 mm (1.1 in)	78 years	53 of 100 (Notable)
20 March 2005	Stanley, US	daily rain	25.4 mm (1.0 in)	22.9 mm (0.9 in)	12 years	52 of 100 (Notable)
20 March 2005	Wauneta, US	daily rain	36.8 mm (1.4 in)	19.8 mm (0.8 in)	56 years	51 of 100 (Notable)
20 March 2005	Alton, US	daily snowfall	35.6 cm (14.0 in)	22.6 cm (8.9 in)	26 years	51 of 100 (Notable)
20 March 2005	Mathis 4 SSW, US	daily rain	75.9 mm (3.0 in)	67.8 mm (2.7 in)	22 years	50 of 100 (Notable)
20 March 2005	Valley, GB	daily high max	20.3 C (68.5 F)	4.2 C (7.6 F)	74 years	46 of 100 (Notable)
20 March 2005	Alice, US	daily rain	25.4 mm (1.0 in)	7.6 mm (0.30 in)	102 years	46 of 100 (Notable)
20 March 2005	Buenavista, MX	daily high min	21.7 C (71.1 F)	3.9 C (7.0 F)	84 years	44 of 100 (Notable)
20 March 2005	Aberdeen, US	daily rain	56.9 mm (2.2 in)	6.1 mm (0.24 in)	100 years	44 of 100 (Notable)
20 March 2005	Forks 1 E, US	daily rain	105.2 mm (4.1 in)	17.6 mm (0.7 in)	87 years	44 of 100 (Notable)
20 March 2005	Petoskey, US	daily snowfall	12.7 cm (5.0 in)	2.5 cm (1.0 in)	88 years	40 of 100 (Notable)
20 March 2005	Conroe, US	daily rain	48.3 mm (1.9 in)	10.7 mm (0.4 in)	79 years	40 of 100 (Notable)
20 March 2005	Karnes City 2N, US	daily rain	50.3 mm (2.0 in)	14.7 mm (0.6 in)	76 years	40 of 100 (Notable)
20 March 2005	Nampula, MZ	daily low min	16.5 C (61.7 F)	2.5 C (4.5 F)	39 years	38 of 100 (Notable)
20 March 2005	Snake Creek Powerhouse, US	daily high min	4.4 C (39.9 F)	1.6 C (2.9 F)	88 years	38 of 100 (Notable)
20 March 2005	Poitiers - Biard, FR	daily high max	24.3 C (75.7 F)	3.3 C (5.9 F)	76 years	37 of 100 (Notable)
20 March 2005	Coloso, PR	daily high max	35.0 C (95.0 F)	1.7 C (3.1 F)	59 years	37 of 100 (Notable)
20 March 2005	Portola, US	daily rain	27.9 mm (1.1 in)	2.2 mm (0.09 in)	88 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

1808 to 2005

Records set or tied on this calendar date in each year from 1808 to 2005. 2005 had 602 records.

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

Records on 03-20 in each year
Year	Records
1808	3
1818	1
1822	2
1830	1
1834	1
1838	1
1845	1
1849	3
1850	1
1852	1
1853	1
1858	1
1862	1
1865	11
1866	1
1870	1
1872	2
1873	1
1874	2
1875	2
1876	2
1879	2
1881	2
1882	2
1883	1
1884	2
1885	3
1886	2
1887	3
1888	5
1889	5
1890	1
1892	1
1893	2
1894	5
1895	2
1896	5
1897	2
1898	5
1899	9
1900	8
1901	6
1902	13
1903	34
1904	12
1905	6
1906	16
1907	17
1908	4
1909	6
1910	20
1911	35
1912	12
1913	42
1914	51
1915	22
1916	46
1917	49
1918	40
1919	31
1920	52
1921	93
1922	49
1923	275
1924	76
1925	121
1926	103
1927	298
1928	258
1929	56
1930	86
1931	492
1932	117
1933	354
1934	243
1935	408
1936	245
1937	220
1938	394
1939	240
1940	486
1941	390
1942	325
1943	378
1944	611
1945	636
1946	435
1947	299
1948	697
1949	352
1950	367
1951	788
1952	589
1953	350
1954	303
1955	719
1956	527
1957	516
1958	467
1959	293
1960	594
1961	332
1962	363
1963	447
1964	525
1965	2,020
1966	367
1967	784
1968	819
1969	374
1970	912
1971	377
1972	635
1973	422
1974	755
1975	932
1976	989
1977	352
1978	863
1979	712
1980	458
1981	712
1982	1,189
1983	1,179
1984	775
1985	636
1986	666
1987	867
1988	1,044
1989	793
1990	1,496
1991	1,205
1992	654
1993	1,014
1994	1,040
1995	857
1996	1,147
1997	1,801
1998	963
1999	793
2000	894
2001	1,048
2002	1,698
2003	1,166
2004	1,701
2005	602
2006	1,353
2007	1,053
2008	993
2009	445
2010	1,264
2011	1,003
2012	3,051
2013	762
2014	800
2015	521
2016	450
2017	1,331
2018	587
2019	530
2020	1,006
2021	487
2022	667
2023	975
2024	520
2025	848
2026	3,126

Download the Data

Data for records on 2005-03-20: 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	467
50 to 100	4
100 to 150	3
150 to 200	2
200 to 250	1
250 to 300	1