Weather Records on 18 March 1975

614 weather records were set or tied worldwide on 18 March 1975. Highest significance: Rokeby (the Mall), AU.

Key Facts for 18 March 1975

On 18 March 1975, 614 weather records were set or tied at long-record stations worldwide.
115 were record highs and 82 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 23 monthly and 590 daily.
Rokeby (the Mall) set a daily record precipitation of 47.4 mm (1.9 in) on 18 March 1975.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 476 records.

Record Map

614 stations

614 station records on 18 March 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rokeby (the Mall)	Australia	Record daily precipitation	47.4 mm (1.9 in)	59 of 100 (Notable)
Grants Pass	United States	Record daily precipitation	56.6 mm (2.2 in)	57 of 100 (Notable)
Hilts Slash Disposal	United States	Record daily precipitation	71.1 mm (2.8 in)	53 of 100 (Notable)
Emmaville Post Office	Australia	Record daily precipitation	59.0 mm (2.3 in)	51 of 100 (Notable)
Scotia	United States	Record daily precipitation	99.1 mm (3.9 in)	50 of 100 (Notable)
Callahan	United States	Record daily precipitation	33.8 mm (1.3 in)	49 of 100 (Notable)
Rainbow	United States	Record daily precipitation	55.9 mm (2.2 in)	49 of 100 (Notable)
Arrowrock Dam	United States	Record daily snowfall	10.2 cm (4.0 in)	48 of 100 (Notable)
Williams 1 NW	United States	Record daily precipitation	52.1 mm (2.1 in)	48 of 100 (Notable)
Alice Springs Post Office	Australia	Record daily precipitation	52.2 mm (2.1 in)	47 of 100 (Notable)
Anderson Dam	United States	Record daily snowfall	45.7 cm (18.0 in)	46 of 100 (Notable)
Red Rvr	United States	Record snow depth	99.1 cm (39.0 in)	46 of 100 (Notable)
Potchefstroom Agr.	South Africa	Record daily precipitation	78.0 mm (3.1 in)	45 of 100 (Notable)
Wilburra Downs Station	Australia	Record daily precipitation	65.0 mm (2.6 in)	44 of 100 (Notable)
Cummings	United States	Record daily precipitation	119.6 mm (4.7 in)	43 of 100 (Notable)
Ft Jones Rs	United States	Record daily precipitation	61.0 mm (2.4 in)	43 of 100 (Notable)
Chemult	United States	Record daily precipitation	38.4 mm (1.5 in)	42 of 100 (Notable)
Coolatai (Orana)	Australia	Record daily precipitation	54.0 mm (2.1 in)	40 of 100 (Notable)
Purcellville	United States	Record daily precipitation	45.0 mm (1.8 in)	39 of 100 (Notable)
Nive Downs	Australia	Record daily precipitation	48.0 mm (1.9 in)	38 of 100 (Notable)
Bundarra (Araluen)	Australia	Record daily precipitation	37.6 mm (1.5 in)	38 of 100 (Notable)
Thurber 5 NE	United States	Record daily precipitation	29.7 mm (1.2 in)	38 of 100 (Notable)
Upper Bingara (Emohta)	Australia	Record daily precipitation	46.4 mm (1.8 in)	37 of 100 (Notable)
Lyons 2 N	United States	Record daily precipitation	75.4 mm (3.0 in)	37 of 100 (Notable)
Strathmore	Australia	Record daily precipitation	85.1 mm (3.4 in)	36 of 100 (Notable)
Willowvale	Australia	Record daily precipitation	56.4 mm (2.2 in)	36 of 100 (Notable)
Yelarbon Post Office	Australia	Record daily precipitation	44.0 mm (1.7 in)	36 of 100 (Notable)
Beechal	Australia	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Inverell Comparison	Australia	Record daily precipitation	31.2 mm (1.2 in)	36 of 100 (Notable)
Pforzheim-Eutingen	Germany	Record snow depth	14.0 cm (5.5 in)	36 of 100 (Notable)
Cekunda	Russia	Record high maximum temperature	18.0 C (64.4 F)	36 of 100 (Notable)
Redding Fire STN 2	United States	Record daily precipitation	110.2 mm (4.3 in)	36 of 100 (Notable)
Medford Intl AP	United States	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Forest Glen	United States	Record daily precipitation	127.0 mm (5.0 in)	35 of 100 (Notable)
Paskenta Rs	United States	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Sawyers Bar Rs	United States	Record daily precipitation	124.0 mm (4.9 in)	35 of 100 (Notable)
Weaverville	United States	Record daily precipitation	79.2 mm (3.1 in)	35 of 100 (Notable)
Illahe	United States	Record daily precipitation	88.4 mm (3.5 in)	35 of 100 (Notable)
The Valley	Australia	Record daily precipitation	104.0 mm (4.1 in)	34 of 100 (Routine)
Barraba (Neranghi)	Australia	Record daily precipitation	27.0 mm (1.1 in)	34 of 100 (Routine)
Coolatai (Willunga)	Australia	Record daily precipitation	32.2 mm (1.3 in)	34 of 100 (Routine)
Potter Valley Powerhouse	United States	Record daily precipitation	62.0 mm (2.4 in)	34 of 100 (Routine)
Park Valley	United States	Record daily snowfall	7.6 cm (3.0 in)	34 of 100 (Routine)
Rainier Paradise Rs	United States	Record daily precipitation	53.8 mm (2.1 in)	34 of 100 (Routine)
Yandarloo	Australia	Record daily precipitation	57.5 mm (2.3 in)	33 of 100 (Routine)
Gayndah Post Office	Australia	Record high minimum temperature	23.8 C (74.8 F)	33 of 100 (Routine)
Norley Station	Australia	Record daily precipitation	44.0 mm (1.7 in)	33 of 100 (Routine)
Bingara Post Office	Australia	Record daily precipitation	31.4 mm (1.2 in)	33 of 100 (Routine)
Shasta Dam	United States	Record daily precipitation	99.1 mm (3.9 in)	33 of 100 (Routine)
Holdenville 2SSE	United States	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Prospect 2 SW	United States	Record daily precipitation	54.4 mm (2.1 in)	33 of 100 (Routine)
Proa Station	Australia	Record daily precipitation	58.0 mm (2.3 in)	32 of 100 (Routine)
Velikie Luki	Russia	Record high maximum temperature	8.6 C (47.5 F)	32 of 100 (Routine)
Ft Ross	United States	Record high minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Happy Camp Rs	United States	Record low maximum temperature	1.7 C (35.1 F)	32 of 100 (Routine)
Orick Prairie Creek Park	United States	Record daily precipitation	130.0 mm (5.1 in)	32 of 100 (Routine)
Jasper	United States	Record daily precipitation	47.5 mm (1.9 in)	32 of 100 (Routine)
Richmond Post Office	Australia	Record daily precipitation	35.0 mm (1.4 in)	31 of 100 (Routine)
Bundarra Post Office	Australia	Record daily precipitation	27.0 mm (1.1 in)	31 of 100 (Routine)
Kazan	Russia	Record high maximum temperature	6.5 C (43.7 F)	31 of 100 (Routine)

Counts by Type and Timescale

614 records

Records set or tied on 18 March 1975 by type: Highest daily maximum 67, Lowest daily maximum 56, Highest daily minimum 48, Lowest daily minimum 26, Heaviest daily rainfall 393, Heaviest daily snowfall 15, Deepest snow cover 9.

Records on 18 March 1975 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	56
Highest daily minimum	48
Lowest daily minimum	26
Heaviest daily rainfall	393
Heaviest daily snowfall	15
Deepest snow cover	9

Records on 18 March 1975 by timescale: all-time 1, monthly 23, daily 590.

How Much Records Were Beaten By

566 broken records

Margins by which the 566 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 483.0. Ties are not counted.

Top 20 by Significance

18 March 1975

Top 20 records on 18 March 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1975	Rokeby (the Mall), AU	daily rain	47.4 mm (1.9 in)	42.3 mm (1.7 in)	37 years	59 of 100 (Notable)
18 March 1975	Grants Pass, US	daily rain	56.6 mm (2.2 in)	23.6 mm (0.9 in)	68 years	57 of 100 (Notable)
18 March 1975	Hilts Slash Disposal, US	monthly rain	71.1 mm (2.8 in)	31.0 mm (1.2 in)	0 years	53 of 100 (Notable)
18 March 1975	Emmaville Post Office, AU	daily rain	59.0 mm (2.3 in)	39.2 mm (1.5 in)	44 years	51 of 100 (Notable)
18 March 1975	Scotia, US	monthly rain	99.1 mm (3.9 in)	28.0 mm (1.1 in)	41 years	50 of 100 (Notable)
18 March 1975	Callahan, US	daily rain	33.8 mm (1.3 in)	25.4 mm (1.0 in)	22 years	49 of 100 (Notable)
18 March 1975	Rainbow, US	daily rain	55.9 mm (2.2 in)	40.2 mm (1.6 in)	22 years	49 of 100 (Notable)
18 March 1975	Arrowrock Dam, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	62 years	48 of 100 (Notable)
18 March 1975	Williams 1 NW, US	daily rain	52.1 mm (2.1 in)	29.5 mm (1.2 in)	22 years	48 of 100 (Notable)
18 March 1975	Alice Springs Post Office, AU	daily rain	52.2 mm (2.1 in)	29.8 mm (1.2 in)	72 years	47 of 100 (Notable)
18 March 1975	Anderson Dam, US	monthly snowfall	45.7 cm (18.0 in)	15.2 cm (6.0 in)	32 years	46 of 100 (Notable)
18 March 1975	Red Rvr, US	daily snow depth	99.1 cm (39.0 in)	48.3 cm (19.0 in)	22 years	46 of 100 (Notable)
18 March 1975	Potchefstroom Agr., ZA	monthly rain	78.0 mm (3.1 in)	13.6 mm (0.5 in)	54 years	45 of 100 (Notable)
18 March 1975	Wilburra Downs Station, AU	daily rain	65.0 mm (2.6 in)	51.0 mm (2.0 in)	34 years	44 of 100 (Notable)
18 March 1975	Cummings, US	daily rain	119.6 mm (4.7 in)	51.5 mm (2.0 in)	44 years	43 of 100 (Notable)
18 March 1975	Ft Jones Rs, US	monthly rain	61.0 mm (2.4 in)	14.0 mm (0.6 in)	34 years	43 of 100 (Notable)
18 March 1975	Chemult, US	daily rain	38.4 mm (1.5 in)	17.1 mm (0.7 in)	36 years	42 of 100 (Notable)
18 March 1975	Coolatai (Orana), AU	daily rain	54.0 mm (2.1 in)	35.7 mm (1.4 in)	34 years	40 of 100 (Notable)
18 March 1975	Purcellville, US	daily rain	45.0 mm (1.8 in)	18.3 mm (0.7 in)	46 years	39 of 100 (Notable)
18 March 1975	Nive Downs, AU	daily rain	48.0 mm (1.9 in)	31.5 mm (1.2 in)	30 years	38 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 1975

Records set or tied on this calendar date in each year from 1806 to 1975. 1975 had 614 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 1975-03-18: 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	556
100 to 200	8
200 to 300	1
300 to 400	0
400 to 500	1