Weather Records on 11 March 1973

1,406 weather records were set or tied worldwide on 11 March 1973. Highest significance: Cimarron, US.

Key Facts for 11 March 1973

On 11 March 1973, 1,406 weather records were set or tied at long-record stations worldwide.
753 were record highs and 31 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 35 monthly and 1,369 daily.
Cimarron set a monthly record daily precipitation of 64.5 mm (2.5 in) on 11 March 1973.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 468 records.

Record Map

1,406 stations

1,406 station records on 11 March 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 March 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cimarron	United States	Record daily precipitation	64.5 mm (2.5 in)	68 of 100 (Major)
Prentice #2	United States	Record daily precipitation	42.2 mm (1.7 in)	68 of 100 (Major)
Antigo	United States	Record daily precipitation	31.0 mm (1.2 in)	64 of 100 (Major)
Sugar Camp	United States	Record daily precipitation	34.0 mm (1.3 in)	64 of 100 (Major)
Woodstock	Canada	Record daily precipitation	30.0 mm (1.2 in)	61 of 100 (Major)
Great Bend 3WNW	United States	Record daily precipitation	51.6 mm (2.0 in)	59 of 100 (Notable)
Hooker	United States	Record daily precipitation	36.1 mm (1.4 in)	59 of 100 (Notable)
Malad	United States	Record daily precipitation	28.2 mm (1.1 in)	58 of 100 (Notable)
Iron Mtn-Kingsford Wwtp	United States	Record daily precipitation	26.4 mm (1.0 in)	58 of 100 (Notable)
Stanley Wwtp	United States	Record daily precipitation	42.7 mm (1.7 in)	58 of 100 (Notable)
Ishpeming	United States	Record daily precipitation	34.0 mm (1.3 in)	56 of 100 (Notable)
Medford	United States	Record daily precipitation	43.7 mm (1.7 in)	56 of 100 (Notable)
Rhinelander	United States	Record daily precipitation	36.6 mm (1.4 in)	56 of 100 (Notable)
Dodgeville Wwtp	United States	Record daily precipitation	46.7 mm (1.8 in)	55 of 100 (Notable)
Merrill	United States	Record daily precipitation	37.1 mm (1.5 in)	55 of 100 (Notable)
Phelps	United States	Record daily precipitation	28.7 mm (1.1 in)	55 of 100 (Notable)
Hays 1 S	United States	Record daily precipitation	55.1 mm (2.2 in)	53 of 100 (Notable)
Watersmeet	United States	Record daily precipitation	35.6 mm (1.4 in)	53 of 100 (Notable)
Laona 6 SW	United States	Record daily precipitation	35.1 mm (1.4 in)	53 of 100 (Notable)
Genoa Dam 8	United States	Record daily precipitation	41.1 mm (1.6 in)	52 of 100 (Notable)
Sparta	United States	Record daily precipitation	31.0 mm (1.2 in)	52 of 100 (Notable)
Stephenson 5WSW	United States	Record daily precipitation	34.8 mm (1.4 in)	51 of 100 (Notable)
Greensburg	United States	Record daily precipitation	38.1 mm (1.5 in)	50 of 100 (Notable)
Stambaugh 2SSE	United States	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Steuben	United States	Record daily precipitation	34.3 mm (1.4 in)	50 of 100 (Notable)
Winona	United States	Record daily precipitation	41.9 mm (1.6 in)	50 of 100 (Notable)
Osceola	United States	Record daily precipitation	93.2 mm (3.7 in)	49 of 100 (Notable)
Wappapello Dam	United States	Record daily precipitation	117.1 mm (4.6 in)	49 of 100 (Notable)
Ashland #2	United States	Record daily precipitation	27.4 mm (1.1 in)	49 of 100 (Notable)
Beatrice	United States	Record daily precipitation	35.1 mm (1.4 in)	49 of 100 (Notable)
Solon Springs	United States	Record daily precipitation	28.4 mm (1.1 in)	49 of 100 (Notable)
Iroquois Falls	Canada	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Enterprise	United States	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Grand Meadow	United States	Record daily precipitation	36.3 mm (1.4 in)	48 of 100 (Notable)
Galesville 2WSW	United States	Record daily precipitation	39.6 mm (1.6 in)	48 of 100 (Notable)
Lac Vieux Desert	United States	Record daily precipitation	33.3 mm (1.3 in)	48 of 100 (Notable)
Saint Paul Is AP	United States	Record daily snowfall	11.7 cm (4.6 in)	48 of 100 (Notable)
Guelph Oac	Canada	Record daily precipitation	30.2 mm (1.2 in)	47 of 100 (Notable)
Ellis	United States	Record daily precipitation	49.5 mm (1.9 in)	47 of 100 (Notable)
Liberal	United States	Record daily precipitation	39.6 mm (1.6 in)	47 of 100 (Notable)
Mexico	United States	Record daily precipitation	49.8 mm (2.0 in)	46 of 100 (Notable)
Belleville	Canada	Record high minimum temperature	5.0 C (41.0 F)	45 of 100 (Notable)
Centralia	United States	Record daily precipitation	63.5 mm (2.5 in)	45 of 100 (Notable)
Grand Twr 2 N	United States	Record daily precipitation	89.9 mm (3.5 in)	45 of 100 (Notable)
Neillsville 3ESE	United States	Record daily precipitation	35.1 mm (1.4 in)	45 of 100 (Notable)
Grand Marais 2 E	United States	Record daily precipitation	32.5 mm (1.3 in)	45 of 100 (Notable)
Vespasiano	Brazil	Record daily precipitation	128.9 mm (5.1 in)	44 of 100 (Notable)
Coniston	Canada	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Montello 2NE	United States	Record daily snowfall	11.4 cm (4.5 in)	44 of 100 (Notable)
Mather 3 NW	United States	Record daily precipitation	33.5 mm (1.3 in)	44 of 100 (Notable)
Pine River 3 NE	United States	Record daily precipitation	33.5 mm (1.3 in)	44 of 100 (Notable)
Presa Rodriguez	Mexico	Record daily precipitation	28.2 mm (1.1 in)	43 of 100 (Notable)
Lindsborg 3E	United States	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Caledonia	United States	Record daily precipitation	36.8 mm (1.4 in)	43 of 100 (Notable)
Zumbrota	United States	Record daily precipitation	33.3 mm (1.3 in)	43 of 100 (Notable)
Houston	United States	Record daily precipitation	67.6 mm (2.7 in)	43 of 100 (Notable)
Jerome	United States	Record daily precipitation	45.7 mm (1.8 in)	43 of 100 (Notable)
Flambeau Rsvr	United States	Record daily precipitation	25.9 mm (1.0 in)	43 of 100 (Notable)
Lynxville Dam 9	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Sugar City	United States	Record daily snowfall	10.2 cm (4.0 in)	42 of 100 (Notable)

Counts by Type and Timescale

1,406 records

Records set or tied on 11 March 1973 by type: Highest daily maximum 301, Lowest daily maximum 9, Highest daily minimum 452, Lowest daily minimum 22, Heaviest daily rainfall 590, Heaviest daily snowfall 30, Deepest snow cover 2.

Records on 11 March 1973 by type
Record type	Records
Highest daily maximum	301
Lowest daily maximum	9
Highest daily minimum	452
Lowest daily minimum	22
Heaviest daily rainfall	590
Heaviest daily snowfall	30
Deepest snow cover	2

Records on 11 March 1973 by timescale: all-time 2, monthly 35, daily 1,369.

How Much Records Were Beaten By

1,218 broken records

Margins by which the 1,218 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.0. Ties are not counted.

Top 20 by Significance

11 March 1973

Top 20 records on 11 March 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 March 1973	Cimarron, US	monthly rain	64.5 mm (2.5 in)	28.4 mm (1.1 in)	46 years	68 of 100 (Major)
11 March 1973	Prentice #2, US	daily rain	42.2 mm (1.7 in)	27.0 mm (1.1 in)	73 years	68 of 100 (Major)
11 March 1973	Antigo, US	daily rain	31.0 mm (1.2 in)	23.6 mm (0.9 in)	62 years	64 of 100 (Major)
11 March 1973	Sugar Camp, US	daily rain	34.0 mm (1.3 in)	22.8 mm (0.9 in)	62 years	64 of 100 (Major)
11 March 1973	Woodstock, CA	daily rain	30.0 mm (1.2 in)	12.7 mm (0.5 in)	101 years	61 of 100 (Major)
11 March 1973	Great Bend 3WNW, US	daily rain	51.6 mm (2.0 in)	36.4 mm (1.4 in)	46 years	59 of 100 (Notable)
11 March 1973	Hooker, US	daily rain	36.1 mm (1.4 in)	24.7 mm (1.0 in)	64 years	59 of 100 (Notable)
11 March 1973	Malad, US	monthly rain	28.2 mm (1.1 in)	7.9 mm (0.31 in)	68 years	58 of 100 (Notable)
11 March 1973	Iron Mtn-Kingsford Wwtp, US	daily rain	26.4 mm (1.0 in)	17.5 mm (0.7 in)	73 years	58 of 100 (Notable)
11 March 1973	Stanley Wwtp, US	daily rain	42.7 mm (1.7 in)	32.0 mm (1.3 in)	36 years	58 of 100 (Notable)
11 March 1973	Ishpeming, US	daily rain	34.0 mm (1.3 in)	17.7 mm (0.7 in)	73 years	56 of 100 (Notable)
11 March 1973	Medford, US	daily rain	43.7 mm (1.7 in)	17.0 mm (0.7 in)	75 years	56 of 100 (Notable)
11 March 1973	Rhinelander, US	daily rain	36.6 mm (1.4 in)	24.7 mm (1.0 in)	31 years	56 of 100 (Notable)
11 March 1973	Dodgeville Wwtp, US	daily rain	46.7 mm (1.8 in)	30.4 mm (1.2 in)	32 years	55 of 100 (Notable)
11 March 1973	Merrill, US	daily rain	37.1 mm (1.5 in)	23.4 mm (0.9 in)	36 years	55 of 100 (Notable)
11 March 1973	Phelps, US	daily rain	28.7 mm (1.1 in)	17.8 mm (0.7 in)	31 years	55 of 100 (Notable)
11 March 1973	Hays 1 S, US	daily rain	55.1 mm (2.2 in)	24.4 mm (1.0 in)	46 years	53 of 100 (Notable)
11 March 1973	Watersmeet, US	daily rain	35.6 mm (1.4 in)	22.9 mm (0.9 in)	31 years	53 of 100 (Notable)
11 March 1973	Laona 6 SW, US	daily rain	35.1 mm (1.4 in)	24.9 mm (1.0 in)	32 years	53 of 100 (Notable)
11 March 1973	Genoa Dam 8, US	daily rain	41.1 mm (1.6 in)	30.4 mm (1.2 in)	32 years	52 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 1973

Records set or tied on this calendar date in each year from 1793 to 1973. 1973 had 1,406 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 1973-03-11: 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 20	1,107
20 to 40	90
40 to 60	13
60 to 80	2
80 to 100	3
100 to 120	2
120 to 140	1