Weather Records on 11 March 1975

592 weather records were set or tied worldwide on 11 March 1975. Highest significance: Kiama Bowling Club, AU.

Key Facts for 11 March 1975

On 11 March 1975, 592 weather records were set or tied at long-record stations worldwide.
110 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 23 monthly and 563 daily.
Kiama Bowling Club set an all-time record daily precipitation of 304.4 mm (12.0 in) on 11 March 1975.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 473 records.

Record Map

592 stations

592 station records on 11 March 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 March 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kiama Bowling Club	Australia	Record daily precipitation	304.4 mm (12.0 in)	78 of 100 (Major)
Cooma Lambie Street	Australia	Record daily precipitation	54.0 mm (2.1 in)	77 of 100 (Major)
Mosman (Bapaume Road)	Australia	Record daily precipitation	297.0 mm (11.7 in)	69 of 100 (Major)
Cooma (Carlaminda)	Australia	Record daily precipitation	71.6 mm (2.8 in)	68 of 100 (Major)
Berry Masonic Village	Australia	Record daily precipitation	375.8 mm (14.8 in)	66 of 100 (Major)
Nerriga Composite	Australia	Record daily precipitation	105.0 mm (4.1 in)	66 of 100 (Major)
Bettowynd (Condry)	Australia	Record daily precipitation	167.6 mm (6.6 in)	61 of 100 (Major)
Sydney Airport AMO	Australia	Record daily precipitation	202.0 mm (8.0 in)	60 of 100 (Major)
Dapto West (Stane Dykes)	Australia	Record daily precipitation	305.8 mm (12.0 in)	58 of 100 (Notable)
Batemans Bay - Buckenbowra	Australia	Record daily precipitation	200.0 mm (7.9 in)	56 of 100 (Notable)
Moruya Heads Pilot Station	Australia	Record daily precipitation	153.4 mm (6.0 in)	55 of 100 (Notable)
Woodburn State Forest	Australia	Record daily precipitation	257.8 mm (10.1 in)	55 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record daily precipitation	198.2 mm (7.8 in)	54 of 100 (Notable)
Bodalla Post Office	Australia	Record daily precipitation	162.8 mm (6.4 in)	54 of 100 (Notable)
Lawson (Wilson Street)	Australia	Record daily precipitation	187.0 mm (7.4 in)	53 of 100 (Notable)
Sydney Botanic Gardens	Australia	Record daily precipitation	217.2 mm (8.6 in)	53 of 100 (Notable)
Randwick Bowling Club	Australia	Record daily precipitation	201.0 mm (7.9 in)	53 of 100 (Notable)
Albion Park Post Office	Australia	Record daily precipitation	240.0 mm (9.4 in)	53 of 100 (Notable)
Gerringong (Mayflower Village)	Australia	Record daily precipitation	185.2 mm (7.3 in)	53 of 100 (Notable)
Nowra Treatment Works	Australia	Record daily precipitation	157.2 mm (6.2 in)	53 of 100 (Notable)
Robertson (Caalong Street)	Australia	Record daily precipitation	211.0 mm (8.3 in)	53 of 100 (Notable)
Tiangua	Brazil	Record daily precipitation	105.0 mm (4.1 in)	53 of 100 (Notable)
Bendoc Park	Australia	Record daily precipitation	48.2 mm (1.9 in)	52 of 100 (Notable)
Wollstonecraft	Australia	Record daily precipitation	193.4 mm (7.6 in)	51 of 100 (Notable)
Kangaroo Valley (Main Rd)	Australia	Record daily precipitation	197.0 mm (7.8 in)	51 of 100 (Notable)
Milha	Brazil	Record daily precipitation	99.4 mm (3.9 in)	51 of 100 (Notable)
Benfontein	South Africa	Record daily precipitation	54.5 mm (2.1 in)	51 of 100 (Notable)
White Cliffs Post Office	Australia	Record daily precipitation	52.4 mm (2.1 in)	50 of 100 (Notable)
Centennial Park	Australia	Record daily precipitation	184.1 mm (7.2 in)	49 of 100 (Notable)
Batemans Bay Post Office	Australia	Record daily precipitation	168.6 mm (6.6 in)	49 of 100 (Notable)
Braidwood (Krawarree)	Australia	Record daily precipitation	136.0 mm (5.4 in)	49 of 100 (Notable)
Tynda	Russia	Record daily precipitation	26.9 mm (1.1 in)	49 of 100 (Notable)
Bilpin (Fern Grove)	Australia	Record daily precipitation	141.0 mm (5.6 in)	48 of 100 (Notable)
Bondi Bowling Club	Australia	Record daily precipitation	200.8 mm (7.9 in)	48 of 100 (Notable)
Jamberoo (Lorna)	Australia	Record daily precipitation	369.8 mm (14.6 in)	48 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	229.2 mm (9.0 in)	48 of 100 (Notable)
Pereiro	Brazil	Record daily precipitation	100.0 mm (3.9 in)	48 of 100 (Notable)
Chama	United States	Record daily precipitation	32.3 mm (1.3 in)	48 of 100 (Notable)
Yalwal	Australia	Record daily precipitation	177.8 mm (7.0 in)	47 of 100 (Notable)
Bendalong Stp	Australia	Record daily precipitation	152.4 mm (6.0 in)	47 of 100 (Notable)
Braidwood (Wallace Street)	Australia	Record daily precipitation	87.6 mm (3.4 in)	47 of 100 (Notable)
Tasiilaq	Greenland [Denmark]	Record daily precipitation	37.1 mm (1.5 in)	47 of 100 (Notable)
Luna Rs	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Cathcart (Mount Darragh)	Australia	Record daily precipitation	93.4 mm (3.7 in)	45 of 100 (Notable)
Cooma (Gurrabeal)	Australia	Record daily precipitation	40.8 mm (1.6 in)	45 of 100 (Notable)
Warracknabeal (Earlstan)	Australia	Record daily precipitation	43.6 mm (1.7 in)	45 of 100 (Notable)
Maseru	Lesotho	Record daily precipitation	46.8 mm (1.8 in)	45 of 100 (Notable)
Cobargo Post Office	Australia	Record daily precipitation	60.2 mm (2.4 in)	44 of 100 (Notable)
Nimmitabel Wastewater Treatmen	Australia	Record daily precipitation	36.3 mm (1.4 in)	44 of 100 (Notable)
Hyannis	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Chama	United States	Record daily snowfall	33.0 cm (13.0 in)	44 of 100 (Notable)
Randwick Racecourse	Australia	Record daily precipitation	261.0 mm (10.3 in)	43 of 100 (Notable)
Bredbo (Bredbo Station)	Australia	Record daily precipitation	38.2 mm (1.5 in)	43 of 100 (Notable)
Northbridge (Sailors Bay)	Australia	Record daily precipitation	178.4 mm (7.0 in)	42 of 100 (Notable)
Vaucluse	Australia	Record daily precipitation	148.2 mm (5.8 in)	41 of 100 (Notable)
Toledo Lorenzana	Spain	Record daily precipitation	27.0 mm (1.1 in)	41 of 100 (Notable)
Balgowlah (Ethel Street)	Australia	Record daily precipitation	144.0 mm (5.7 in)	40 of 100 (Notable)
Bemboka Post Office	Australia	Record daily precipitation	46.8 mm (1.8 in)	40 of 100 (Notable)
Majors Creek (the Old School)	Australia	Record daily precipitation	119.0 mm (4.7 in)	40 of 100 (Notable)
Contest	South Africa	Record daily precipitation	82.1 mm (3.2 in)	40 of 100 (Notable)

Counts by Type and Timescale

592 records

Records set or tied on 11 March 1975 by type: Highest daily maximum 23, Lowest daily maximum 59, Highest daily minimum 87, Lowest daily minimum 11, Heaviest daily rainfall 310, Heaviest daily snowfall 79, Deepest snow cover 23.

Records on 11 March 1975 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	59
Highest daily minimum	87
Lowest daily minimum	11
Heaviest daily rainfall	310
Heaviest daily snowfall	79
Deepest snow cover	23

Records on 11 March 1975 by timescale: all-time 6, monthly 23, daily 563.

How Much Records Were Beaten By

501 broken records

Margins by which the 501 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

11 March 1975

Top 20 records on 11 March 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 March 1975	Kiama Bowling Club, AU	all-time rain	304.4 mm (12.0 in)	71.2 mm (2.8 in)	40 years	78 of 100 (Major)
11 March 1975	Cooma Lambie Street, AU	daily rain	54.0 mm (2.1 in)	44.6 mm (1.8 in)	90 years	77 of 100 (Major)
11 March 1975	Mosman (Bapaume Road), AU	all-time rain	297.0 mm (11.7 in)	59.8 mm (2.4 in)	32 years	69 of 100 (Major)
11 March 1975	Cooma (Carlaminda), AU	daily rain	71.6 mm (2.8 in)	52.3 mm (2.1 in)	68 years	68 of 100 (Major)
11 March 1975	Berry Masonic Village, AU	all-time rain	375.8 mm (14.8 in)	63.6 mm (2.5 in)	40 years	66 of 100 (Major)
11 March 1975	Nerriga Composite, AU	daily rain	105.0 mm (4.1 in)	80.9 mm (3.2 in)	64 years	66 of 100 (Major)
11 March 1975	Bettowynd (Condry), AU	monthly rain	167.6 mm (6.6 in)	62.4 mm (2.5 in)	13 years	61 of 100 (Major)
11 March 1975	Sydney Airport AMO, AU	monthly rain	202.0 mm (8.0 in)	62.6 mm (2.5 in)	32 years	60 of 100 (Major)
11 March 1975	Dapto West (Stane Dykes), AU	monthly rain	305.8 mm (12.0 in)	52.1 mm (2.1 in)	60 years	58 of 100 (Notable)
11 March 1975	Batemans Bay - Buckenbowra, AU	monthly rain	200.0 mm (7.9 in)	100.9 mm (4.0 in)	11 years	56 of 100 (Notable)
11 March 1975	Moruya Heads Pilot Station, AU	daily rain	153.4 mm (6.0 in)	80.5 mm (3.2 in)	16 years	55 of 100 (Notable)
11 March 1975	Woodburn State Forest, AU	monthly rain	257.8 mm (10.1 in)	139.7 mm (5.5 in)	0 years	55 of 100 (Notable)
11 March 1975	Sydney (Observatory Hill), AU	daily rain	198.2 mm (7.8 in)	71.7 mm (2.8 in)	16 years	54 of 100 (Notable)
11 March 1975	Bodalla Post Office, AU	daily rain	162.8 mm (6.4 in)	125.5 mm (4.9 in)	16 years	54 of 100 (Notable)
11 March 1975	Lawson (Wilson Street), AU	monthly rain	187.0 mm (7.4 in)	30.0 mm (1.2 in)	62 years	53 of 100 (Notable)
11 March 1975	Sydney Botanic Gardens, AU	daily rain	217.2 mm (8.6 in)	85.9 mm (3.4 in)	16 years	53 of 100 (Notable)
11 March 1975	Randwick Bowling Club, AU	daily rain	201.0 mm (7.9 in)	117.9 mm (4.6 in)	16 years	53 of 100 (Notable)
11 March 1975	Albion Park Post Office, AU	daily rain	240.0 mm (9.4 in)	149.6 mm (5.9 in)	16 years	53 of 100 (Notable)
11 March 1975	Gerringong (Mayflower Village), AU	daily rain	185.2 mm (7.3 in)	124.2 mm (4.9 in)	16 years	53 of 100 (Notable)
11 March 1975	Nowra Treatment Works, AU	daily rain	157.2 mm (6.2 in)	111.5 mm (4.4 in)	16 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

1793 to 1975

Records set or tied on this calendar date in each year from 1793 to 1975. 1975 had 592 records.

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

Records on 03-11 in each year
Year	Records
1793	1
1810	3
1814	1
1822	1
1844	1
1845	2
1847	3
1849	1
1850	2
1854	3
1855	1
1858	3
1859	1
1860	2
1862	1
1863	1
1868	1
1870	1
1874	2
1877	1
1878	1
1879	2
1880	1
1881	5
1882	2
1883	1
1884	1
1885	2
1886	3
1888	4
1889	1
1890	4
1891	5
1892	3
1893	2
1894	6
1896	4
1897	4
1898	2
1899	1
1900	4
1901	13
1902	8
1903	12
1904	7
1905	6
1906	38
1907	7
1908	10
1909	26
1910	19
1911	19
1912	19
1913	22
1914	25
1915	18
1916	29
1917	49
1918	58
1919	39
1920	15
1921	66
1922	42
1923	78
1924	265
1925	264
1926	134
1927	277
1928	119
1929	210
1930	105
1931	273
1932	1,123
1933	300
1934	764
1935	520
1936	356
1937	188
1938	120
1939	569
1940	417
1941	265
1942	225
1943	251
1944	304
1945	262
1946	461
1947	234
1948	2,148
1949	329
1950	671
1951	677
1952	804
1953	330
1954	489
1955	1,103
1956	964
1957	521
1958	441
1959	189
1960	1,115
1961	353
1962	674
1963	440
1964	296
1965	386
1966	539
1967	1,272
1968	519
1969	1,093
1970	389
1971	552
1972	1,320
1973	1,406
1974	956
1975	592
1976	375
1977	1,690
1978	579
1979	891
1980	472
1981	1,539
1982	807
1983	943
1984	743
1985	829
1986	747
1987	596
1988	1,176
1989	1,894
1990	2,496
1991	532
1992	1,083
1993	561
1994	689
1995	1,138
1996	1,339
1997	1,152
1998	2,609
1999	533
2000	1,199
2001	802
2002	736
2003	935
2004	826
2005	988
2006	1,590
2007	830
2008	816
2009	1,195
2010	966
2011	734
2012	868
2013	949
2014	556
2015	897
2016	1,249
2017	483
2018	479
2019	767
2020	605
2021	980
2022	1,203
2023	984
2024	424
2025	699
2026	1,580

Download the Data

Data for records on 1975-03-11: 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	444
50 to 100	36
100 to 150	18
150 to 200	2
200 to 250	0
250 to 300	0
300 to 350	1