Weather Records on 18 March 2008

1,066 weather records were set or tied worldwide on 18 March 2008. Highest significance: Harrisburg, US.

Key Facts for 18 March 2008

On 18 March 2008, 1,066 weather records were set or tied at long-record stations worldwide.
462 were record highs and 198 were record lows, counting maximum and minimum temperature.
By timescale, 9 were all-time records, 60 monthly and 997 daily.
Harrisburg set an all-time record daily precipitation of 254.0 mm (10.0 in) on 18 March 2008.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 473 records.

Record Map

1,066 stations

1,066 station records on 18 March 2008 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 2008: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harrisburg	United States	Record daily precipitation	254.0 mm (10.0 in)	85 of 100 (Exceptional)
1 ENE Fairfield	United States	Record daily precipitation	114.3 mm (4.5 in)	80 of 100 (Exceptional)
1 WSW Princeton	United States	Record daily precipitation	111.8 mm (4.4 in)	80 of 100 (Exceptional)
Mansfield	United States	Record daily precipitation	73.4 mm (2.9 in)	78 of 100 (Major)
Valliant 3 W	United States	Record daily precipitation	212.1 mm (8.4 in)	74 of 100 (Major)
Cape Girardeau Muni AP	United States	Record daily precipitation	291.8 mm (11.5 in)	73 of 100 (Major)
Ada	United States	Record daily precipitation	87.4 mm (3.4 in)	72 of 100 (Major)
Ballinger 2 NW	United States	Record daily precipitation	63.5 mm (2.5 in)	70 of 100 (Major)
Union	United States	Record daily precipitation	57.7 mm (2.3 in)	68 of 100 (Major)
Flora 5 NW	United States	Record daily precipitation	95.3 mm (3.8 in)	66 of 100 (Major)
Salem	United States	Record daily precipitation	86.4 mm (3.4 in)	66 of 100 (Major)
Lebanon 2W	United States	Record daily precipitation	144.3 mm (5.7 in)	65 of 100 (Major)
Shawneetown Old Town	United States	Record daily precipitation	104.1 mm (4.1 in)	63 of 100 (Major)
Brunswick	United States	Record daily precipitation	46.5 mm (1.8 in)	63 of 100 (Major)
De Soto	United States	Record daily precipitation	65.8 mm (2.6 in)	62 of 100 (Major)
Ozark	United States	Record daily precipitation	121.9 mm (4.8 in)	62 of 100 (Major)
Dewar 2 NE	United States	Record daily precipitation	80.0 mm (3.1 in)	62 of 100 (Major)
Omaha	United States	Record daily precipitation	116.8 mm (4.6 in)	60 of 100 (Major)
Gravette	United States	Record daily precipitation	159.3 mm (6.3 in)	59 of 100 (Notable)
Malvern	United States	Record daily precipitation	86.4 mm (3.4 in)	59 of 100 (Notable)
Scottsburg	United States	Record daily precipitation	130.0 mm (5.1 in)	59 of 100 (Notable)
Carthage	United States	Record daily precipitation	60.2 mm (2.4 in)	59 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	131.6 mm (5.2 in)	58 of 100 (Notable)
Evansville Museum	United States	Record daily precipitation	89.7 mm (3.5 in)	58 of 100 (Notable)
Guthrie 5S	United States	Record daily precipitation	39.6 mm (1.6 in)	57 of 100 (Notable)
Hagansport	United States	Record daily precipitation	130.8 mm (5.1 in)	57 of 100 (Notable)
Paoli	United States	Record daily precipitation	132.8 mm (5.2 in)	56 of 100 (Notable)
Billings 1SW	United States	Record daily precipitation	122.4 mm (4.8 in)	56 of 100 (Notable)
Ardmore	United States	Record daily precipitation	72.9 mm (2.9 in)	56 of 100 (Notable)
Nashville 1 E	United States	Record daily precipitation	50.8 mm (2.0 in)	55 of 100 (Notable)
Boonville 1S	United States	Record daily precipitation	91.7 mm (3.6 in)	55 of 100 (Notable)
Pierce City	United States	Record daily precipitation	81.3 mm (3.2 in)	55 of 100 (Notable)
Windsor	United States	Record daily precipitation	38.1 mm (1.5 in)	55 of 100 (Notable)
Pontotoc 1N	United States	Record daily precipitation	102.1 mm (4.0 in)	55 of 100 (Notable)
Putnam	United States	Record daily precipitation	67.8 mm (2.7 in)	55 of 100 (Notable)
Jackson	United States	Record daily precipitation	71.4 mm (2.8 in)	54 of 100 (Notable)
Lockwood	United States	Record daily precipitation	64.3 mm (2.5 in)	54 of 100 (Notable)
Marshfield 4 WSW	United States	Record daily precipitation	82.0 mm (3.2 in)	54 of 100 (Notable)
Roosevelt	United States	Record daily precipitation	69.9 mm (2.8 in)	54 of 100 (Notable)
Honey Grove	United States	Record daily precipitation	106.7 mm (4.2 in)	54 of 100 (Notable)
Springfield	United States	Record daily precipitation	99.8 mm (3.9 in)	54 of 100 (Notable)
Bidyadanga	Australia	Record daily precipitation	97.0 mm (3.8 in)	53 of 100 (Notable)
Verma	Norway	Record daily precipitation	32.2 mm (1.3 in)	53 of 100 (Notable)
Prairie du Rocher 3 WNW	United States	Record daily precipitation	54.9 mm (2.2 in)	53 of 100 (Notable)
Buffalo 2N	United States	Record daily precipitation	61.5 mm (2.4 in)	53 of 100 (Notable)
Dallas FAA AP	United States	Record daily precipitation	121.4 mm (4.8 in)	53 of 100 (Notable)
Salisbury	United States	Record daily precipitation	55.9 mm (2.2 in)	52 of 100 (Notable)
Vienna 2 WNW	United States	Record daily precipitation	63.5 mm (2.5 in)	52 of 100 (Notable)
Healdton 3 E	United States	Record daily precipitation	57.9 mm (2.3 in)	52 of 100 (Notable)
Breckenridge	United States	Record daily precipitation	97.5 mm (3.8 in)	52 of 100 (Notable)
Red Bud 2 S	United States	Record daily precipitation	86.9 mm (3.4 in)	51 of 100 (Notable)
Potosi 4 SW	United States	Record daily precipitation	77.2 mm (3.0 in)	51 of 100 (Notable)
Bedford 4 SW	United States	Record daily precipitation	84.6 mm (3.3 in)	50 of 100 (Notable)
Shelbina	United States	Record daily precipitation	48.3 mm (1.9 in)	50 of 100 (Notable)
Waynesville 2 W	United States	Record daily precipitation	86.4 mm (3.4 in)	50 of 100 (Notable)
Cincinnati/Northern Kentucky I	United States	Record daily precipitation	82.6 mm (3.3 in)	50 of 100 (Notable)
Anna 4 N	United States	Record daily precipitation	196.6 mm (7.7 in)	49 of 100 (Notable)
Concordia	United States	Record daily precipitation	54.6 mm (2.1 in)	49 of 100 (Notable)
Pacific	United States	Record daily precipitation	47.0 mm (1.9 in)	49 of 100 (Notable)
Ft Grant	United States	Record low maximum temperature	7.2 C (45.0 F)	48 of 100 (Notable)

Counts by Type and Timescale

1,066 records

Records set or tied on 18 March 2008 by type: Highest daily maximum 177, Lowest daily maximum 88, Highest daily minimum 285, Lowest daily minimum 110, Heaviest daily rainfall 351, Heaviest daily snowfall 21, Deepest snow cover 34.

Records on 18 March 2008 by type
Record type	Records
Highest daily maximum	177
Lowest daily maximum	88
Highest daily minimum	285
Lowest daily minimum	110
Heaviest daily rainfall	351
Heaviest daily snowfall	21
Deepest snow cover	34

Records on 18 March 2008 by timescale: all-time 9, monthly 60, daily 997.

How Much Records Were Beaten By

874 broken records

Margins by which the 874 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 762.0. Ties are not counted.

Top 20 by Significance

18 March 2008

Top 20 records on 18 March 2008 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 2008	Harrisburg, US	all-time rain	254.0 mm (10.0 in)	66.5 mm (2.6 in)	50 years	85 of 100 (Exceptional)
18 March 2008	1 ENE Fairfield, US	daily rain	114.3 mm (4.5 in)	72.4 mm (2.9 in)	110 years	80 of 100 (Exceptional)
18 March 2008	1 WSW Princeton, US	daily rain	111.8 mm (4.4 in)	66.1 mm (2.6 in)	109 years	80 of 100 (Exceptional)
18 March 2008	Mansfield, US	daily rain	73.4 mm (2.9 in)	48.0 mm (1.9 in)	110 years	78 of 100 (Major)
18 March 2008	Valliant 3 W, US	monthly rain	212.1 mm (8.4 in)	104.1 mm (4.1 in)	62 years	74 of 100 (Major)
18 March 2008	Cape Girardeau Muni AP, US	all-time rain	291.8 mm (11.5 in)	120.9 mm (4.8 in)	30 years	73 of 100 (Major)
18 March 2008	Ada, US	daily rain	87.4 mm (3.4 in)	52.9 mm (2.1 in)	75 years	72 of 100 (Major)
18 March 2008	Ballinger 2 NW, US	daily rain	63.5 mm (2.5 in)	43.2 mm (1.7 in)	67 years	70 of 100 (Major)
18 March 2008	Union, US	daily rain	57.7 mm (2.3 in)	36.9 mm (1.5 in)	74 years	68 of 100 (Major)
18 March 2008	Flora 5 NW, US	daily rain	95.3 mm (3.8 in)	57.2 mm (2.3 in)	56 years	66 of 100 (Major)
18 March 2008	Salem, US	daily rain	86.4 mm (3.4 in)	48.3 mm (1.9 in)	59 years	66 of 100 (Major)
18 March 2008	Lebanon 2W, US	monthly rain	144.3 mm (5.7 in)	65.6 mm (2.6 in)	19 years	65 of 100 (Major)
18 March 2008	Shawneetown Old Town, US	daily rain	104.1 mm (4.1 in)	51.8 mm (2.0 in)	57 years	63 of 100 (Major)
18 March 2008	Brunswick, US	daily rain	46.5 mm (1.8 in)	24.4 mm (1.0 in)	108 years	63 of 100 (Major)
18 March 2008	De Soto, US	daily rain	65.8 mm (2.6 in)	41.4 mm (1.6 in)	56 years	62 of 100 (Major)
18 March 2008	Ozark, US	monthly rain	121.9 mm (4.8 in)	43.2 mm (1.7 in)	34 years	62 of 100 (Major)
18 March 2008	Dewar 2 NE, US	daily rain	80.0 mm (3.1 in)	56.4 mm (2.2 in)	55 years	62 of 100 (Major)
18 March 2008	Omaha, US	monthly rain	116.8 mm (4.6 in)	48.2 mm (1.9 in)	22 years	60 of 100 (Major)
18 March 2008	Gravette, US	monthly rain	159.3 mm (6.3 in)	18.3 mm (0.7 in)	86 years	59 of 100 (Notable)
18 March 2008	Malvern, US	daily rain	86.4 mm (3.4 in)	48.3 mm (1.9 in)	73 years	59 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 2008

Records set or tied on this calendar date in each year from 1806 to 2008. 2008 had 1,066 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 2008-03-18: 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	860
100 to 200	10
200 to 300	2
300 to 400	1
400 to 500	0
500 to 600	0
600 to 700	0
700 to 800	1