Weather Records on 18 March 1968

915 weather records were set or tied worldwide on 18 March 1968. Highest significance: Blue Hill Coop, US.

Key Facts for 18 March 1968

On 18 March 1968, 915 weather records were set or tied at long-record stations worldwide.
491 were record highs and 42 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 30 monthly and 881 daily.
Blue Hill Coop set a monthly record daily precipitation of 119.9 mm (4.7 in) on 18 March 1968.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 474 records.

Record Map

915 stations

915 station records on 18 March 1968 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1968: highest significance records shown on the map
Station	Country	Type	Value	Significance
Blue Hill Coop	United States	Record daily precipitation	119.9 mm (4.7 in)	82 of 100 (Exceptional)
Kottarakara	India	Record daily precipitation	163.8 mm (6.4 in)	63 of 100 (Major)
Mansfield	United States	Record daily precipitation	101.6 mm (4.0 in)	62 of 100 (Major)
Haverhill	United States	Record daily precipitation	69.3 mm (2.7 in)	61 of 100 (Major)
Brockton	United States	Record daily precipitation	100.1 mm (3.9 in)	60 of 100 (Major)
Ashley	United States	Record daily precipitation	31.2 mm (1.2 in)	60 of 100 (Major)
Taunton	United States	Record daily precipitation	77.7 mm (3.1 in)	59 of 100 (Notable)
Big Timber	United States	Record daily precipitation	43.4 mm (1.7 in)	59 of 100 (Notable)
Middleboro	United States	Record daily precipitation	115.1 mm (4.5 in)	58 of 100 (Notable)
Ashland	United States	Record daily precipitation	80.0 mm (3.1 in)	56 of 100 (Notable)
E Wareham	United States	Record daily precipitation	129.8 mm (5.1 in)	55 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	63.2 mm (2.5 in)	55 of 100 (Notable)
Framingham	United States	Record daily precipitation	66.0 mm (2.6 in)	54 of 100 (Notable)
Hatchville	United States	Record daily precipitation	117.6 mm (4.6 in)	54 of 100 (Notable)
Grafton	United States	Record daily precipitation	40.1 mm (1.6 in)	54 of 100 (Notable)
Steele 4N	United States	Record daily precipitation	30.0 mm (1.2 in)	53 of 100 (Notable)
Big Timber	United States	Record daily snowfall	35.6 cm (14.0 in)	52 of 100 (Notable)
Red Lodge	United States	Record daily snowfall	81.3 cm (32.0 in)	52 of 100 (Notable)
Vernon	United States	Record daily precipitation	41.9 mm (1.6 in)	52 of 100 (Notable)
New Bedford Coop	United States	Record daily precipitation	68.1 mm (2.7 in)	51 of 100 (Notable)
Woodstown Pittsgrov 4E	United States	Record daily precipitation	36.1 mm (1.4 in)	51 of 100 (Notable)
Diamond Springs	United States	Record daily precipitation	59.7 mm (2.4 in)	48 of 100 (Notable)
Sao Jose de Piranhas	Brazil	Record daily precipitation	88.4 mm (3.5 in)	47 of 100 (Notable)
Bellows Falls	United States	Record daily precipitation	36.3 mm (1.4 in)	47 of 100 (Notable)
Wallaceton-Lake Drummond	United States	Record daily precipitation	60.5 mm (2.4 in)	47 of 100 (Notable)
Middletown 4 W	United States	Record daily precipitation	46.0 mm (1.8 in)	46 of 100 (Notable)
Clinton	United States	Record daily precipitation	77.0 mm (3.0 in)	46 of 100 (Notable)
Holyoke	United States	Record daily precipitation	38.9 mm (1.5 in)	44 of 100 (Notable)
Moorestown 4 E	United States	Record daily precipitation	38.6 mm (1.5 in)	44 of 100 (Notable)
Rockport 1 ESE	United States	Record daily precipitation	97.8 mm (3.9 in)	43 of 100 (Notable)
Westfield	United States	Record daily precipitation	43.2 mm (1.7 in)	43 of 100 (Notable)
West Grove 1 SE	United States	Record daily precipitation	66.0 mm (2.6 in)	43 of 100 (Notable)
Chestnut Hill	United States	Record daily precipitation	74.9 mm (2.9 in)	42 of 100 (Notable)
Hyannis	United States	Record daily precipitation	55.4 mm (2.2 in)	42 of 100 (Notable)
Plymouth-Kingston	United States	Record daily precipitation	105.4 mm (4.1 in)	42 of 100 (Notable)
Red Lodge	United States	Record daily precipitation	53.6 mm (2.1 in)	42 of 100 (Notable)
Fairbridge	Australia	Record daily precipitation	29.7 mm (1.2 in)	41 of 100 (Notable)
Livingston	United States	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Ukhrul Farm	India	Record daily precipitation	38.0 mm (1.5 in)	40 of 100 (Notable)
Ipswich	United States	Record daily precipitation	58.7 mm (2.3 in)	40 of 100 (Notable)
Mystic Lake	United States	Record daily snowfall	29.2 cm (11.5 in)	40 of 100 (Notable)
Mystic Lake	United States	Record daily precipitation	26.7 mm (1.1 in)	39 of 100 (Notable)
Oelrichs	United States	Record daily snowfall	23.1 cm (9.1 in)	39 of 100 (Notable)
Wentworth 2.5 WNW	United States	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Brigham City	United States	Record daily snowfall	20.3 cm (8.0 in)	39 of 100 (Notable)
Cody	United States	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
Boston	United States	Record daily precipitation	88.6 mm (3.5 in)	39 of 100 (Notable)
Big Sandy	United States	Record daily snowfall	11.4 cm (4.5 in)	38 of 100 (Notable)
Chinook	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Osceola	United States	Record high minimum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Durham	United States	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Spencer 10 NE	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Newark Ag Farm	United States	Record daily precipitation	31.2 mm (1.2 in)	37 of 100 (Notable)
Fall River	United States	Record daily precipitation	70.1 mm (2.8 in)	37 of 100 (Notable)
Freehold-Marlboro	United States	Record daily precipitation	46.7 mm (1.8 in)	37 of 100 (Notable)
Roscoe	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Park Falls Dnr HQ	United States	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high maximum temperature	35.6 C (96.1 F)	36 of 100 (Notable)
Biedenkopf	Germany	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Middleton	United States	Record daily precipitation	80.8 mm (3.2 in)	36 of 100 (Notable)

Counts by Type and Timescale

915 records

Records set or tied on 18 March 1968 by type: Highest daily maximum 91, Lowest daily maximum 19, Highest daily minimum 400, Lowest daily minimum 23, Heaviest daily rainfall 325, Heaviest daily snowfall 40, Deepest snow cover 17.

Records on 18 March 1968 by type
Record type	Records
Highest daily maximum	91
Lowest daily maximum	19
Highest daily minimum	400
Lowest daily minimum	23
Heaviest daily rainfall	325
Heaviest daily snowfall	40
Deepest snow cover	17

Records on 18 March 1968 by timescale: all-time 4, monthly 30, daily 881.

How Much Records Were Beaten By

809 broken records

Margins by which the 809 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 360.0. Ties are not counted.

Top 20 by Significance

18 March 1968

Top 20 records on 18 March 1968 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1968	Blue Hill Coop, US	monthly rain	119.9 mm (4.7 in)	47.0 mm (1.9 in)	80 years	82 of 100 (Exceptional)
18 March 1968	Kottarakara, IN	monthly rain	163.8 mm (6.4 in)	47.7 mm (1.9 in)	55 years	63 of 100 (Major)
18 March 1968	Mansfield, US	monthly rain	101.6 mm (4.0 in)	37.8 mm (1.5 in)	31 years	62 of 100 (Major)
18 March 1968	Haverhill, US	daily rain	69.3 mm (2.7 in)	56.6 mm (2.2 in)	49 years	61 of 100 (Major)
18 March 1968	Brockton, US	monthly rain	100.1 mm (3.9 in)	32.5 mm (1.3 in)	35 years	60 of 100 (Major)
18 March 1968	Ashley, US	daily rain	31.2 mm (1.2 in)	23.6 mm (0.9 in)	46 years	60 of 100 (Major)
18 March 1968	Taunton, US	daily rain	77.7 mm (3.1 in)	65.8 mm (2.6 in)	40 years	59 of 100 (Notable)
18 March 1968	Big Timber, US	daily rain	43.4 mm (1.7 in)	35.3 mm (1.4 in)	41 years	59 of 100 (Notable)
18 March 1968	Middleboro, US	monthly rain	115.1 mm (4.5 in)	22.4 mm (0.9 in)	75 years	58 of 100 (Notable)
18 March 1968	Ashland, US	daily rain	80.0 mm (3.1 in)	64.5 mm (2.5 in)	30 years	56 of 100 (Notable)
18 March 1968	E Wareham, US	monthly rain	129.8 mm (5.1 in)	64.3 mm (2.5 in)	0 years	55 of 100 (Notable)
18 March 1968	Aberdeen, US	daily rain	63.2 mm (2.5 in)	30.2 mm (1.2 in)	48 years	55 of 100 (Notable)
18 March 1968	Framingham, US	daily rain	66.0 mm (2.6 in)	49.2 mm (1.9 in)	30 years	54 of 100 (Notable)
18 March 1968	Hatchville, US	monthly rain	117.6 mm (4.6 in)	49.0 mm (1.9 in)	0 years	54 of 100 (Notable)
18 March 1968	Grafton, US	daily rain	40.1 mm (1.6 in)	29.2 mm (1.1 in)	54 years	54 of 100 (Notable)
18 March 1968	Steele 4N, US	daily rain	30.0 mm (1.2 in)	20.3 mm (0.8 in)	55 years	53 of 100 (Notable)
18 March 1968	Big Timber, US	daily snowfall	35.6 cm (14.0 in)	22.9 cm (9.0 in)	18 years	52 of 100 (Notable)
18 March 1968	Red Lodge, US	all-time snowfall	81.3 cm (32.0 in)	5.1 cm (2.0 in)	62 years	52 of 100 (Notable)
18 March 1968	Vernon, US	daily rain	41.9 mm (1.6 in)	29.2 mm (1.1 in)	54 years	52 of 100 (Notable)
18 March 1968	New Bedford Coop, US	daily rain	68.1 mm (2.7 in)	41.4 mm (1.6 in)	32 years	51 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 1968

Records set or tied on this calendar date in each year from 1806 to 1968. 1968 had 915 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 1968-03-18: 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 50	773
50 to 100	24
100 to 150	8
150 to 200	1
200 to 250	2
250 to 300	0
300 to 350	0
350 to 400	1