Weather Records on 30 March 1973

1,089 weather records were set or tied worldwide on 30 March 1973. Highest significance: Springer, US.

Key Facts for 30 March 1973

On 30 March 1973, 1,089 weather records were set or tied at long-record stations worldwide.
99 were record highs and 133 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 48 monthly and 1,036 daily.
Springer set a daily record precipitation of 35.6 mm (1.4 in) on 30 March 1973.
Across 162 earlier years (1796 to 2026) the same calendar date averaged 470 records.

Record Map

1,089 stations

1,089 station records on 30 March 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 March 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Springer	United States	Record daily precipitation	35.6 mm (1.4 in)	70 of 100 (Major)
Grenville	United States	Record daily snowfall	61.0 cm (24.0 in)	67 of 100 (Major)
Anthony	United States	Record daily precipitation	63.5 mm (2.5 in)	66 of 100 (Major)
Wangaratta	Australia	Record daily precipitation	71.1 mm (2.8 in)	64 of 100 (Major)
Dookie Agricultural College	Australia	Record daily precipitation	54.6 mm (2.1 in)	60 of 100 (Major)
Barnawartha	Australia	Record daily precipitation	46.2 mm (1.8 in)	60 of 100 (Major)
Cockburn (Burta)	Australia	Record daily precipitation	41.9 mm (1.6 in)	58 of 100 (Notable)
Plattsmouth 1E	United States	Record daily precipitation	48.8 mm (1.9 in)	57 of 100 (Notable)
Coolabah Post Office	Australia	Record daily precipitation	37.1 mm (1.5 in)	56 of 100 (Notable)
Shamrock	United States	Record daily precipitation	42.2 mm (1.7 in)	56 of 100 (Notable)
Ft Washakie 1 SE	United States	Record snow depth	50.8 cm (20.0 in)	56 of 100 (Notable)
Hillgrove Station	Australia	Record daily precipitation	87.1 mm (3.4 in)	54 of 100 (Notable)
Woomargama Estate	Australia	Record daily precipitation	73.2 mm (2.9 in)	54 of 100 (Notable)
Maxwell 3 NW	United States	Record daily precipitation	30.5 mm (1.2 in)	54 of 100 (Notable)
Bluff Downs Station	Australia	Record daily precipitation	155.2 mm (6.1 in)	53 of 100 (Notable)
Berrigan Post Office	Australia	Record daily precipitation	72.1 mm (2.8 in)	53 of 100 (Notable)
Jerilderie Treatment Works	Australia	Record daily precipitation	48.8 mm (1.9 in)	53 of 100 (Notable)
Jerilderie (Yanko Station)	Australia	Record daily precipitation	55.4 mm (2.2 in)	53 of 100 (Notable)
Acude Monteiro	Brazil	Record daily precipitation	82.1 mm (3.2 in)	53 of 100 (Notable)
Ft Grant	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Conargo Post Office	Australia	Record daily precipitation	54.4 mm (2.1 in)	52 of 100 (Notable)
Benalla (Shadforth Street)	Australia	Record daily precipitation	58.2 mm (2.3 in)	52 of 100 (Notable)
Licola Rwc	Australia	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Mutual	United States	Record daily precipitation	68.3 mm (2.7 in)	52 of 100 (Notable)
Floydada	United States	Record daily precipitation	34.8 mm (1.4 in)	51 of 100 (Notable)
Panhandle	United States	Record daily precipitation	30.0 mm (1.2 in)	51 of 100 (Notable)
Holbrook (Rsl)	Australia	Record daily precipitation	52.3 mm (2.1 in)	50 of 100 (Notable)
Wellington	United States	Record daily precipitation	34.5 mm (1.4 in)	50 of 100 (Notable)
Millungera Station	Australia	Record daily precipitation	137.2 mm (5.4 in)	48 of 100 (Notable)
Coonamble (Warrana)	Australia	Record daily precipitation	36.3 mm (1.4 in)	48 of 100 (Notable)
Warrumbungle Post Office	Australia	Record daily precipitation	45.7 mm (1.8 in)	48 of 100 (Notable)
Booroorban (Ramsay)	Australia	Record daily precipitation	54.6 mm (2.1 in)	48 of 100 (Notable)
Eurobin	Australia	Record daily precipitation	77.2 mm (3.0 in)	48 of 100 (Notable)
Conchas Dam	United States	Record daily precipitation	27.4 mm (1.1 in)	48 of 100 (Notable)
Warrumbungle (Cheddington)	Australia	Record daily precipitation	42.7 mm (1.7 in)	47 of 100 (Notable)
Coolah (Binnia St)	Australia	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
Lake Rowan (Bungeet)	Australia	Record daily precipitation	64.5 mm (2.5 in)	47 of 100 (Notable)
Las Animas	United States	Record daily snowfall	33.0 cm (13.0 in)	47 of 100 (Notable)
Norwich	United States	Record daily precipitation	36.6 mm (1.4 in)	47 of 100 (Notable)
Valmora	United States	Record daily snowfall	33.0 cm (13.0 in)	47 of 100 (Notable)
Lake Cargelligo (Wooyeo)	Australia	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Boorhaman	Australia	Record daily precipitation	68.6 mm (2.7 in)	46 of 100 (Notable)
Whorouly	Australia	Record daily precipitation	67.8 mm (2.7 in)	46 of 100 (Notable)
Hinnomunjie	Australia	Record daily precipitation	58.9 mm (2.3 in)	46 of 100 (Notable)
Springfield	United States	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
Natoma	United States	Record daily precipitation	43.2 mm (1.7 in)	46 of 100 (Notable)
Cloud Chief 2 SE	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Cordell	United States	Record daily precipitation	39.1 mm (1.5 in)	46 of 100 (Notable)
Dacoma 2 NE	United States	Record daily precipitation	34.0 mm (1.3 in)	46 of 100 (Notable)
The Rock Post Office	Australia	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
Woodfield	Australia	Record daily precipitation	56.6 mm (2.2 in)	45 of 100 (Notable)
S.Joao Do Piaui	Brazil	Record daily precipitation	72.0 mm (2.8 in)	45 of 100 (Notable)
Cimarron 4 SW	United States	Record snow depth	40.6 cm (16.0 in)	45 of 100 (Notable)
Grenville	United States	Record daily precipitation	61.0 mm (2.4 in)	45 of 100 (Notable)
Las Vegas 2 NW	United States	Record daily snowfall	68.6 cm (27.0 in)	45 of 100 (Notable)
Claude	United States	Record daily precipitation	35.3 mm (1.4 in)	45 of 100 (Notable)
Clayton Muni Air Pk	United States	Record daily snowfall	17.5 cm (6.9 in)	45 of 100 (Notable)
Coreena	Australia	Record daily precipitation	97.8 mm (3.9 in)	44 of 100 (Notable)
Bourke Post Office	Australia	Record daily precipitation	35.8 mm (1.4 in)	44 of 100 (Notable)
Louth (Bloxham Street)	Australia	Record daily precipitation	36.6 mm (1.4 in)	44 of 100 (Notable)

Counts by Type and Timescale

1,089 records

Records set or tied on 30 March 1973 by type: Highest daily maximum 32, Lowest daily maximum 98, Highest daily minimum 67, Lowest daily minimum 35, Heaviest daily rainfall 788, Heaviest daily snowfall 47, Deepest snow cover 22.

Records on 30 March 1973 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	98
Highest daily minimum	67
Lowest daily minimum	35
Heaviest daily rainfall	788
Heaviest daily snowfall	47
Deepest snow cover	22

Records on 30 March 1973 by timescale: all-time 5, monthly 48, daily 1,036.

How Much Records Were Beaten By

1,012 broken records

Margins by which the 1,012 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 406.0. Ties are not counted.

Top 20 by Significance

30 March 1973

Top 20 records on 30 March 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 March 1973	Springer, US	daily rain	35.6 mm (1.4 in)	28.0 mm (1.1 in)	73 years	70 of 100 (Major)
30 March 1973	Grenville, US	all-time snowfall	61.0 cm (24.0 in)	20.4 cm (8.0 in)	32 years	67 of 100 (Major)
30 March 1973	Anthony, US	daily rain	63.5 mm (2.5 in)	43.9 mm (1.7 in)	64 years	66 of 100 (Major)
30 March 1973	Wangaratta, AU	daily rain	71.1 mm (2.8 in)	33.0 mm (1.3 in)	91 years	64 of 100 (Major)
30 March 1973	Dookie Agricultural College, AU	daily rain	54.6 mm (2.1 in)	27.4 mm (1.1 in)	82 years	60 of 100 (Major)
30 March 1973	Barnawartha, AU	daily rain	46.2 mm (1.8 in)	26.4 mm (1.0 in)	85 years	60 of 100 (Major)
30 March 1973	Cockburn (Burta), AU	daily rain	41.9 mm (1.6 in)	33.5 mm (1.3 in)	82 years	58 of 100 (Notable)
30 March 1973	Plattsmouth 1E, US	daily rain	48.8 mm (1.9 in)	32.8 mm (1.3 in)	48 years	57 of 100 (Notable)
30 March 1973	Coolabah Post Office, AU	daily rain	37.1 mm (1.5 in)	33.3 mm (1.3 in)	72 years	56 of 100 (Notable)
30 March 1973	Shamrock, US	daily rain	42.2 mm (1.7 in)	33.8 mm (1.3 in)	42 years	56 of 100 (Notable)
30 March 1973	Ft Washakie 1 SE, US	daily snow depth	50.8 cm (20.0 in)	35.6 cm (14.0 in)	43 years	56 of 100 (Notable)
30 March 1973	Hillgrove Station, AU	daily rain	87.1 mm (3.4 in)	61.7 mm (2.4 in)	72 years	54 of 100 (Notable)
30 March 1973	Woomargama Estate, AU	daily rain	73.2 mm (2.9 in)	45.3 mm (1.8 in)	26 years	54 of 100 (Notable)
30 March 1973	Maxwell 3 NW, US	daily rain	30.5 mm (1.2 in)	22.9 mm (0.9 in)	56 years	54 of 100 (Notable)
30 March 1973	Bluff Downs Station, AU	daily rain	155.2 mm (6.1 in)	130.6 mm (5.1 in)	23 years	53 of 100 (Notable)
30 March 1973	Berrigan Post Office, AU	daily rain	72.1 mm (2.8 in)	43.7 mm (1.7 in)	24 years	53 of 100 (Notable)
30 March 1973	Jerilderie Treatment Works, AU	daily rain	48.8 mm (1.9 in)	41.7 mm (1.6 in)	16 years	53 of 100 (Notable)
30 March 1973	Jerilderie (Yanko Station), AU	daily rain	55.4 mm (2.2 in)	16.5 mm (0.6 in)	103 years	53 of 100 (Notable)
30 March 1973	Acude Monteiro, BR	daily rain	82.1 mm (3.2 in)	73.6 mm (2.9 in)	35 years	53 of 100 (Notable)
30 March 1973	Ft Grant, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	72 years	53 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 1973

Records set or tied on this calendar date in each year from 1796 to 1973. 1973 had 1,089 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 1973-03-30: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Histogram of margins by which records were beaten on 30 March 1973
Margin	Records
0 to 100	989
100 to 200	12
200 to 300	6
300 to 400	4
400 to 500	1