Weather Records on 30 March 1975

1,255 weather records were set or tied worldwide on 30 March 1975. Highest significance: Yetman (Warialda Street), AU.

Key Facts for 30 March 1975

On 30 March 1975, 1,255 weather records were set or tied at long-record stations worldwide.
90 were record highs and 707 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 23 monthly and 1,226 daily.
Yetman (Warialda Street) set a daily record precipitation of 79.2 mm (3.1 in) on 30 March 1975.
Across 162 earlier years (1796 to 2026) the same calendar date averaged 469 records.

Record Map

1,255 stations

1,255 station records on 30 March 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 March 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yetman (Warialda Street)	Australia	Record daily precipitation	79.2 mm (3.1 in)	69 of 100 (Major)
Danville 2 SE	United States	Record daily precipitation	72.9 mm (2.9 in)	69 of 100 (Major)
Mendota	United States	Record daily precipitation	83.8 mm (3.3 in)	65 of 100 (Major)
Randolph 5 NNE	United States	Record daily precipitation	89.2 mm (3.5 in)	65 of 100 (Major)
Kingsport	United States	Record daily precipitation	77.2 mm (3.0 in)	60 of 100 (Major)
Chatham	United States	Record daily precipitation	90.9 mm (3.6 in)	60 of 100 (Major)
Murphy 4ESE	United States	Record daily precipitation	111.8 mm (4.4 in)	59 of 100 (Notable)
Faulkton	United States	Record snow depth	63.5 cm (25.0 in)	58 of 100 (Notable)
Cottonwood 2 E	United States	Record snow depth	45.7 cm (18.0 in)	57 of 100 (Notable)
Andrews	United States	Record daily precipitation	114.8 mm (4.5 in)	56 of 100 (Notable)
Carawatha	Australia	Record daily precipitation	84.0 mm (3.3 in)	55 of 100 (Notable)
Ogilvie	Australia	Record daily precipitation	48.0 mm (1.9 in)	53 of 100 (Notable)
Rumbulara Vineyards	Australia	Record daily precipitation	79.0 mm (3.1 in)	53 of 100 (Notable)
Greeneville Exp STN	United States	Record daily precipitation	54.6 mm (2.1 in)	53 of 100 (Notable)
Middalya	Australia	Record daily precipitation	52.1 mm (2.1 in)	52 of 100 (Notable)
Copperhill	United States	Record daily precipitation	92.2 mm (3.6 in)	52 of 100 (Notable)
Innsbruck	Austria	Record daily precipitation	35.7 mm (1.4 in)	51 of 100 (Notable)
Poplar 2 E	United States	Record snow depth	38.1 cm (15.0 in)	50 of 100 (Notable)
Waynesville 1 E	United States	Record daily precipitation	54.4 mm (2.1 in)	50 of 100 (Notable)
Jefferson City Evap	United States	Record daily precipitation	59.7 mm (2.4 in)	49 of 100 (Notable)
Chatsworth	United States	Record daily precipitation	93.5 mm (3.7 in)	48 of 100 (Notable)
Beaverdale 1 E	United States	Record daily precipitation	89.9 mm (3.5 in)	47 of 100 (Notable)
Coonamble (Wingadee)	Australia	Record daily precipitation	52.1 mm (2.1 in)	46 of 100 (Notable)
Dalton	United States	Record daily precipitation	94.0 mm (3.7 in)	46 of 100 (Notable)
Gary	United States	Record daily precipitation	47.5 mm (1.9 in)	46 of 100 (Notable)
Stanthorpe Leslie Parade	Australia	Record daily precipitation	84.0 mm (3.3 in)	45 of 100 (Notable)
Tenterfield (Sailor Jack)	Australia	Record daily precipitation	79.4 mm (3.1 in)	45 of 100 (Notable)
Pedro Avelino	Brazil	Record daily precipitation	64.0 mm (2.5 in)	45 of 100 (Notable)
Rogersville 1 NE	United States	Record daily precipitation	63.8 mm (2.5 in)	45 of 100 (Notable)
Hughenden Post Office	Australia	Record daily precipitation	60.4 mm (2.4 in)	44 of 100 (Notable)
Marshall	United States	Record daily precipitation	49.3 mm (1.9 in)	44 of 100 (Notable)
Tapoco	United States	Record daily precipitation	100.6 mm (4.0 in)	44 of 100 (Notable)
Gregory Springs Station	Australia	Record daily precipitation	67.0 mm (2.6 in)	43 of 100 (Notable)
Gravesend Post Office	Australia	Record daily precipitation	40.0 mm (1.6 in)	43 of 100 (Notable)
Claresholm Meadow Creek	Canada	Record daily snowfall	26.4 cm (10.4 in)	43 of 100 (Notable)
New Braunfels	United States	Record low maximum temperature	6.7 C (44.1 F)	43 of 100 (Notable)
Farmville	United States	Record daily precipitation	53.3 mm (2.1 in)	43 of 100 (Notable)
Maryland	Australia	Record daily precipitation	61.8 mm (2.4 in)	42 of 100 (Notable)
Cardston	Canada	Record daily snowfall	19.8 cm (7.8 in)	42 of 100 (Notable)
Hot Springs 2	United States	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Williston Sloulin Fld	United States	Record daily snowfall	13.5 cm (5.3 in)	42 of 100 (Notable)
Mount House Station	Australia	Record daily precipitation	51.4 mm (2.0 in)	41 of 100 (Notable)
Harrison	United States	Record snow depth	35.6 cm (14.0 in)	41 of 100 (Notable)
Kalli	Australia	Record daily precipitation	50.0 mm (2.0 in)	40 of 100 (Notable)
Dalveen	Australia	Record daily precipitation	69.0 mm (2.7 in)	40 of 100 (Notable)
Southampton	Canada	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Newport 1 NW	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Lethbridge Cda	Canada	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Water Valley	United States	Record daily precipitation	71.1 mm (2.8 in)	39 of 100 (Notable)
Blackleaf	United States	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Blanco	United States	Record low maximum temperature	4.4 C (39.9 F)	39 of 100 (Notable)
Longview	United States	Record low maximum temperature	6.7 C (44.1 F)	39 of 100 (Notable)
Franklin	United States	Record daily precipitation	75.4 mm (3.0 in)	38 of 100 (Notable)
Morganton	United States	Record daily precipitation	65.0 mm (2.6 in)	38 of 100 (Notable)
Temple	United States	Record low maximum temperature	5.6 C (42.1 F)	38 of 100 (Notable)
Altavista	United States	Record daily precipitation	41.9 mm (1.6 in)	38 of 100 (Notable)
Niznij Novgorod	Russia	Record high minimum temperature	3.7 C (38.7 F)	37 of 100 (Notable)
Bridgeport	United States	Record snow depth	20.3 cm (8.0 in)	37 of 100 (Notable)
Marathon	United States	Record low maximum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Martinsville Fltr Plt	United States	Record daily precipitation	51.1 mm (2.0 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,255 records

Records set or tied on 30 March 1975 by type: Highest daily maximum 23, Lowest daily maximum 333, Highest daily minimum 67, Lowest daily minimum 374, Heaviest daily rainfall 328, Heaviest daily snowfall 79, Deepest snow cover 51.

Records on 30 March 1975 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	333
Highest daily minimum	67
Lowest daily minimum	374
Heaviest daily rainfall	328
Heaviest daily snowfall	79
Deepest snow cover	51

Records on 30 March 1975 by timescale: all-time 6, monthly 23, daily 1,226.

How Much Records Were Beaten By

1,048 broken records

Margins by which the 1,048 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

30 March 1975

Top 20 records on 30 March 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 March 1975	Yetman (Warialda Street), AU	daily rain	79.2 mm (3.1 in)	68.5 mm (2.7 in)	69 years	69 of 100 (Major)
30 March 1975	Danville 2 SE, US	daily rain	72.9 mm (2.9 in)	48.5 mm (1.9 in)	72 years	69 of 100 (Major)
30 March 1975	Mendota, US	daily rain	83.8 mm (3.3 in)	57.1 mm (2.2 in)	60 years	65 of 100 (Major)
30 March 1975	Randolph 5 NNE, US	monthly rain	89.2 mm (3.5 in)	30.0 mm (1.2 in)	63 years	65 of 100 (Major)
30 March 1975	Kingsport, US	daily rain	77.2 mm (3.0 in)	56.4 mm (2.2 in)	46 years	60 of 100 (Major)
30 March 1975	Chatham, US	monthly rain	90.9 mm (3.6 in)	32.5 mm (1.3 in)	43 years	60 of 100 (Major)
30 March 1975	Murphy 4ESE, US	daily rain	111.8 mm (4.4 in)	61.0 mm (2.4 in)	46 years	59 of 100 (Notable)
30 March 1975	Faulkton, US	daily snow depth	63.5 cm (25.0 in)	38.1 cm (15.0 in)	50 years	58 of 100 (Notable)
30 March 1975	Cottonwood 2 E, US	daily snow depth	45.7 cm (18.0 in)	38.1 cm (15.0 in)	38 years	57 of 100 (Notable)
30 March 1975	Andrews, US	daily rain	114.8 mm (4.5 in)	87.1 mm (3.4 in)	36 years	56 of 100 (Notable)
30 March 1975	Carawatha, AU	daily rain	84.0 mm (3.3 in)	70.3 mm (2.8 in)	32 years	55 of 100 (Notable)
30 March 1975	Ogilvie, AU	daily rain	48.0 mm (1.9 in)	45.7 mm (1.8 in)	48 years	53 of 100 (Notable)
30 March 1975	Rumbulara Vineyards, AU	daily rain	79.0 mm (3.1 in)	71.9 mm (2.8 in)	32 years	53 of 100 (Notable)
30 March 1975	Greeneville Exp STN, US	daily rain	54.6 mm (2.1 in)	25.4 mm (1.0 in)	78 years	53 of 100 (Notable)
30 March 1975	Middalya, AU	daily rain	52.1 mm (2.1 in)	52.1 mm (2.1 in)	64 years	52 of 100 (Notable)
30 March 1975	Copperhill, US	daily rain	92.2 mm (3.6 in)	59.4 mm (2.3 in)	36 years	52 of 100 (Notable)
30 March 1975	Innsbruck, AT	daily rain	35.7 mm (1.4 in)	25.2 mm (1.0 in)	14 years	51 of 100 (Notable)
30 March 1975	Poplar 2 E, US	daily snow depth	38.1 cm (15.0 in)	27.9 cm (11.0 in)	36 years	50 of 100 (Notable)
30 March 1975	Waynesville 1 E, US	daily rain	54.4 mm (2.1 in)	29.0 mm (1.1 in)	75 years	50 of 100 (Notable)
30 March 1975	Jefferson City Evap, US	daily rain	59.7 mm (2.4 in)	34.3 mm (1.4 in)	46 years	49 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

1796 to 1975

Records set or tied on this calendar date in each year from 1796 to 1975. 1975 had 1,255 records.

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

Records on 03-30 in each year
Year	Records
1796	1
1805	1
1808	1
1815	1
1822	1
1830	2
1834	1
1840	1
1842	1
1847	1
1848	1
1854	1
1856	2
1859	1
1860	1
1862	1
1863	2
1865	4
1869	1
1872	6
1874	1
1881	4
1882	3
1883	2
1884	2
1885	1
1886	1
1887	5
1888	2
1890	4
1892	4
1894	2
1896	3
1897	1
1898	5
1899	2
1900	5
1901	6
1902	9
1903	8
1904	14
1905	35
1906	9
1907	28
1908	12
1909	18
1910	68
1911	45
1912	25
1913	31
1914	20
1915	78
1916	19
1917	248
1918	29
1919	42
1920	20
1921	32
1922	89
1923	229
1924	215
1925	90
1926	273
1927	80
1928	209
1929	99
1930	215
1931	254
1932	198
1933	382
1934	236
1935	187
1936	881
1937	262
1938	690
1939	305
1940	466
1941	438
1942	257
1943	928
1944	823
1945	676
1946	536
1947	1,000
1948	363
1949	795
1950	616
1951	569
1952	265
1953	432
1954	743
1955	437
1956	500
1957	330
1958	288
1959	398
1960	431
1961	404
1962	578
1963	1,010
1964	1,420
1965	376
1966	759
1967	1,261
1968	736
1969	1,372
1970	1,040
1971	490
1972	384
1973	1,089
1974	895
1975	1,255
1976	619
1977	1,627
1978	1,017
1979	753
1980	762
1981	898
1982	764
1983	624
1984	756
1985	1,331
1986	1,533
1987	1,850
1988	635
1989	1,063
1990	897
1991	821
1992	611
1993	712
1994	767
1995	920
1996	781
1997	911
1998	2,464
1999	708
2000	631
2001	840
2002	878
2003	1,472
2004	1,298
2005	683
2006	689
2007	1,265
2008	1,100
2009	750
2010	933
2011	670
2012	743
2013	691
2014	776
2015	1,194
2016	596
2017	1,267
2018	433
2019	662
2020	464
2021	1,013
2022	576
2023	1,107
2024	431
2025	956
2026	1,210

Download the Data

Data for records on 1975-03-30: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 50	984
50 to 100	44
100 to 150	9
150 to 200	3
200 to 250	1
250 to 300	3
300 to 350	2
350 to 400	2