Weather Records on 20 March 2003

1,166 weather records were set or tied worldwide on 20 March 2003. Highest significance: Kassler, US.

Key Facts for 20 March 2003

On 20 March 2003, 1,166 weather records were set or tied at long-record stations worldwide.
357 were record highs and 253 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 77 monthly and 1,084 daily.
Kassler set an all-time record daily precipitation of 129.0 mm (5.1 in) on 20 March 2003.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 451 records.

Record Map

1,166 stations

1,166 station records on 20 March 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kassler	United States	Record daily precipitation	129.0 mm (5.1 in)	88 of 100 (Exceptional)
Guayama 1SW	Puerto Rico [United States]	Record daily precipitation	120.1 mm (4.7 in)	86 of 100 (Exceptional)
Penola Post Office	Australia	Record daily precipitation	56.0 mm (2.2 in)	80 of 100 (Exceptional)
Coleraine Hospital	Australia	Record daily precipitation	66.4 mm (2.6 in)	76 of 100 (Major)
Callendale	Australia	Record daily precipitation	87.4 mm (3.4 in)	75 of 100 (Major)
Georgetown 2 E	United States	Record daily precipitation	191.0 mm (7.5 in)	75 of 100 (Major)
Beachport	Australia	Record daily precipitation	52.0 mm (2.0 in)	72 of 100 (Major)
Sedgwick	United States	Record daily precipitation	88.4 mm (3.5 in)	72 of 100 (Major)
Millicent	Australia	Record daily precipitation	41.6 mm (1.6 in)	69 of 100 (Major)
Lake Leake (Kooeeyong)	Australia	Record daily precipitation	44.0 mm (1.7 in)	68 of 100 (Major)
Yatchaw (Amaroo)	Australia	Record daily precipitation	65.0 mm (2.6 in)	68 of 100 (Major)
Ft Scott	United States	Record daily precipitation	72.4 mm (2.9 in)	68 of 100 (Major)
High Pt	United States	Record daily precipitation	71.1 mm (2.8 in)	68 of 100 (Major)
Ft Collins	United States	Record snow depth	45.7 cm (18.0 in)	65 of 100 (Major)
Chengde	China	Record daily precipitation	26.8 mm (1.1 in)	64 of 100 (Major)
Miena Dam	Australia	Record daily precipitation	37.4 mm (1.5 in)	63 of 100 (Major)
Cheesman	United States	Record snow depth	66.0 cm (26.0 in)	63 of 100 (Major)
Asheboro 2 W	United States	Record daily precipitation	67.6 mm (2.7 in)	63 of 100 (Major)
Manila	United States	Record snow depth	27.9 cm (11.0 in)	63 of 100 (Major)
Dergholm (Hillgrove)	Australia	Record daily precipitation	51.0 mm (2.0 in)	62 of 100 (Major)
Mount Gambier Aero	Australia	Record daily precipitation	43.2 mm (1.7 in)	61 of 100 (Major)
Statesville 2 NNE	United States	Record daily precipitation	106.7 mm (4.2 in)	61 of 100 (Major)
Salisbury	United States	Record daily precipitation	75.2 mm (3.0 in)	60 of 100 (Major)
Phetchabun	Thailand	Record daily precipitation	62.0 mm (2.4 in)	59 of 100 (Notable)
Martinsville Fltr Plt	United States	Record daily precipitation	75.7 mm (3.0 in)	59 of 100 (Notable)
Seminoe Dam	United States	Record daily precipitation	54.1 mm (2.1 in)	59 of 100 (Notable)
Concord	United States	Record daily precipitation	68.1 mm (2.7 in)	57 of 100 (Notable)
Summerville 4W	United States	Record daily precipitation	88.9 mm (3.5 in)	57 of 100 (Notable)
Georgetown	United States	Record daily snowfall	17.3 cm (6.8 in)	56 of 100 (Notable)
Dergholm (Dorodong)	Australia	Record daily precipitation	68.0 mm (2.7 in)	55 of 100 (Notable)
South Forest (Plummers Road)	Australia	Record daily precipitation	43.0 mm (1.7 in)	55 of 100 (Notable)
Taroona (Taroona Crescent)	Australia	Record daily precipitation	46.0 mm (1.8 in)	55 of 100 (Notable)
Coimbatore/Peelamed	India	Record daily precipitation	58.9 mm (2.3 in)	55 of 100 (Notable)
Casterton (Warrock)	Australia	Record daily precipitation	53.0 mm (2.1 in)	54 of 100 (Notable)
Burnie (Round Hill)	Australia	Record daily precipitation	41.8 mm (1.6 in)	54 of 100 (Notable)
Ulverstone (Knights Road)	Australia	Record daily precipitation	39.8 mm (1.6 in)	54 of 100 (Notable)
Snug Primary School	Australia	Record daily precipitation	54.4 mm (2.1 in)	54 of 100 (Notable)
Bronte Heights	Australia	Record daily precipitation	38.4 mm (1.5 in)	54 of 100 (Notable)
Barkestad	Norway	Record daily precipitation	48.0 mm (1.9 in)	54 of 100 (Notable)
Bloemfontein Airpor	South Africa	Record daily precipitation	71.9 mm (2.8 in)	54 of 100 (Notable)
Castle Rock	United States	Record snow depth	111.8 cm (44.0 in)	54 of 100 (Notable)
New Holland	United States	Record daily precipitation	101.6 mm (4.0 in)	54 of 100 (Notable)
Tantanoola	Australia	Record daily precipitation	38.4 mm (1.5 in)	53 of 100 (Notable)
Westcliffe	United States	Record snow depth	61.0 cm (24.0 in)	53 of 100 (Notable)
Greensboro AP	United States	Record daily precipitation	68.8 mm (2.7 in)	53 of 100 (Notable)
Wrattonbully (Joeville)	Australia	Record daily precipitation	46.0 mm (1.8 in)	52 of 100 (Notable)
Apsley (Post Office)	Australia	Record daily precipitation	32.4 mm (1.3 in)	52 of 100 (Notable)
Casterton (Roseneath)	Australia	Record daily precipitation	81.6 mm (3.2 in)	52 of 100 (Notable)
Louisville 1 E	United States	Record daily precipitation	72.6 mm (2.9 in)	52 of 100 (Notable)
Lucindale Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	51 of 100 (Notable)
Hopewell	United States	Record daily precipitation	55.4 mm (2.2 in)	51 of 100 (Notable)
Chugwater	United States	Record snow depth	35.6 cm (14.0 in)	51 of 100 (Notable)
Denver-Stapleton	United States	Record snow depth	45.7 cm (18.0 in)	51 of 100 (Notable)
Robe Comparison	Australia	Record daily precipitation	67.6 mm (2.7 in)	50 of 100 (Notable)
Moutajup	Australia	Record daily precipitation	47.8 mm (1.9 in)	50 of 100 (Notable)
Levendale	Australia	Record daily precipitation	32.8 mm (1.3 in)	50 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	42.7 mm (1.7 in)	50 of 100 (Notable)
Georgetown	United States	Record snow depth	106.7 cm (42.0 in)	50 of 100 (Notable)
Lakewood	United States	Record snow depth	83.8 cm (33.0 in)	50 of 100 (Notable)
Mount Schank (Jethia)	Australia	Record daily precipitation	37.0 mm (1.5 in)	49 of 100 (Notable)

Counts by Type and Timescale

1,166 records

Records set or tied on 20 March 2003 by type: Highest daily maximum 178, Lowest daily maximum 74, Highest daily minimum 179, Lowest daily minimum 179, Heaviest daily rainfall 510, Heaviest daily snowfall 15, Deepest snow cover 31.

Records on 20 March 2003 by type
Record type	Records
Highest daily maximum	178
Lowest daily maximum	74
Highest daily minimum	179
Lowest daily minimum	179
Heaviest daily rainfall	510
Heaviest daily snowfall	15
Deepest snow cover	31

Records on 20 March 2003 by timescale: all-time 5, monthly 77, daily 1,084.

How Much Records Were Beaten By

962 broken records

Margins by which the 962 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 838.0. Ties are not counted.

Top 20 by Significance

20 March 2003

Top 20 records on 20 March 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 2003	Kassler, US	all-time rain	129.0 mm (5.1 in)	38.1 mm (1.5 in)	69 years	88 of 100 (Exceptional)
20 March 2003	Guayama 1SW, PR	monthly rain	120.1 mm (4.7 in)	42.4 mm (1.7 in)	91 years	86 of 100 (Exceptional)
20 March 2003	Penola Post Office, AU	daily rain	56.0 mm (2.2 in)	36.9 mm (1.5 in)	103 years	80 of 100 (Exceptional)
20 March 2003	Coleraine Hospital, AU	daily rain	66.4 mm (2.6 in)	36.7 mm (1.4 in)	103 years	76 of 100 (Major)
20 March 2003	Callendale, AU	monthly rain	87.4 mm (3.4 in)	31.5 mm (1.2 in)	57 years	75 of 100 (Major)
20 March 2003	Georgetown 2 E, US	monthly rain	191.0 mm (7.5 in)	97.0 mm (3.8 in)	50 years	75 of 100 (Major)
20 March 2003	Beachport, AU	daily rain	52.0 mm (2.0 in)	36.0 mm (1.4 in)	74 years	72 of 100 (Major)
20 March 2003	Sedgwick, US	monthly rain	88.4 mm (3.5 in)	31.0 mm (1.2 in)	81 years	72 of 100 (Major)
20 March 2003	Millicent, AU	daily rain	41.6 mm (1.6 in)	22.0 mm (0.9 in)	74 years	69 of 100 (Major)
20 March 2003	Lake Leake (Kooeeyong), AU	daily rain	44.0 mm (1.7 in)	29.0 mm (1.1 in)	61 years	68 of 100 (Major)
20 March 2003	Yatchaw (Amaroo), AU	daily rain	65.0 mm (2.6 in)	43.9 mm (1.7 in)	61 years	68 of 100 (Major)
20 March 2003	Ft Scott, US	daily rain	72.4 mm (2.9 in)	34.0 mm (1.3 in)	93 years	68 of 100 (Major)
20 March 2003	High Pt, US	daily rain	71.1 mm (2.8 in)	49.5 mm (1.9 in)	68 years	68 of 100 (Major)
20 March 2003	Ft Collins, US	daily snow depth	45.7 cm (18.0 in)	35.5 cm (14.0 in)	50 years	65 of 100 (Major)
20 March 2003	Chengde, CN	monthly rain	26.8 mm (1.1 in)	12.2 mm (0.5 in)	32 years	64 of 100 (Major)
20 March 2003	Miena Dam, AU	daily rain	37.4 mm (1.5 in)	21.1 mm (0.8 in)	70 years	63 of 100 (Major)
20 March 2003	Cheesman, US	daily snow depth	66.0 cm (26.0 in)	40.6 cm (16.0 in)	44 years	63 of 100 (Major)
20 March 2003	Asheboro 2 W, US	daily rain	67.6 mm (2.7 in)	41.4 mm (1.6 in)	68 years	63 of 100 (Major)
20 March 2003	Manila, US	daily snow depth	27.9 cm (11.0 in)	27.9 cm (11.0 in)	49 years	63 of 100 (Major)
20 March 2003	Dergholm (Hillgrove), AU	daily rain	51.0 mm (2.0 in)	25.3 mm (1.0 in)	61 years	62 of 100 (Major)

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 2003

Records set or tied on this calendar date in each year from 1808 to 2003. 2003 had 1,166 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 2003-03-20: 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 200	950
200 to 400	8
400 to 600	2
600 to 800	1
800 to 1000	1