Weather Records on 15 March 1973

1,074 weather records were set or tied worldwide on 15 March 1973. Highest significance: Hickory Flat, US.

Key Facts for 15 March 1973

On 15 March 1973, 1,074 weather records were set or tied at long-record stations worldwide.
762 were record highs and 59 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 41 monthly and 1,033 daily.
Hickory Flat set a monthly record daily precipitation of 152.4 mm (6.0 in) on 15 March 1973.
Across 161 earlier years (1810 to 2026) the same calendar date averaged 482 records.

Record Map

1,074 stations

1,074 station records on 15 March 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 March 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hickory Flat	United States	Record daily precipitation	152.4 mm (6.0 in)	67 of 100 (Major)
Palmetto	United States	Record daily precipitation	121.2 mm (4.8 in)	66 of 100 (Major)
Water Valley	United States	Record daily precipitation	117.1 mm (4.6 in)	64 of 100 (Major)
Voznesensk	Ukraine	Record daily precipitation	40.6 mm (1.6 in)	57 of 100 (Notable)
Ft Washakie 1 SE	United States	Record snow depth	61.0 cm (24.0 in)	57 of 100 (Notable)
Batesville	United States	Record daily precipitation	144.5 mm (5.7 in)	55 of 100 (Notable)
Dumas	United States	Record daily precipitation	102.9 mm (4.1 in)	52 of 100 (Notable)
Clarion 3 SW	United States	Record daily precipitation	42.4 mm (1.7 in)	52 of 100 (Notable)
Abbeville	United States	Record daily precipitation	149.9 mm (5.9 in)	51 of 100 (Notable)
Wooster Exp STN	United States	Record daily precipitation	43.9 mm (1.7 in)	51 of 100 (Notable)
East Brady	United States	Record daily precipitation	43.2 mm (1.7 in)	51 of 100 (Notable)
Carrollton 3 NNE	United States	Record daily precipitation	28.7 mm (1.1 in)	50 of 100 (Notable)
Chippewa Lake	United States	Record daily precipitation	39.4 mm (1.6 in)	50 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	65.0 mm (2.6 in)	50 of 100 (Notable)
Waynesboro	United States	Record daily precipitation	129.5 mm (5.1 in)	50 of 100 (Notable)
Ripley	United States	Record daily precipitation	175.8 mm (6.9 in)	49 of 100 (Notable)
Franklin	United States	Record daily precipitation	33.3 mm (1.3 in)	49 of 100 (Notable)
Kane 1NNE	United States	Record daily precipitation	36.6 mm (1.4 in)	49 of 100 (Notable)
Meadville 1 S	United States	Record daily precipitation	40.4 mm (1.6 in)	49 of 100 (Notable)
Murfreesboro 5 N	United States	Record daily precipitation	66.0 mm (2.6 in)	49 of 100 (Notable)
Savannah 6 SW	United States	Record daily precipitation	87.4 mm (3.4 in)	48 of 100 (Notable)
Muscle Shoals AP	United States	Record daily precipitation	100.1 mm (3.9 in)	48 of 100 (Notable)
New Castle 1 N	United States	Record daily precipitation	38.6 mm (1.5 in)	47 of 100 (Notable)
Ashland 2 SW	United States	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Rosedale	United States	Record daily precipitation	104.9 mm (4.1 in)	45 of 100 (Notable)
Allardt	United States	Record daily precipitation	62.5 mm (2.5 in)	45 of 100 (Notable)
Lewisburg Exp STN	United States	Record daily precipitation	116.8 mm (4.6 in)	45 of 100 (Notable)
Port Stanley	Canada	Record high maximum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Cleveland	United States	Record daily precipitation	95.8 mm (3.8 in)	44 of 100 (Notable)
University	United States	Record daily precipitation	165.6 mm (6.5 in)	44 of 100 (Notable)
Port Stanley	Canada	Record high minimum temperature	4.4 C (39.9 F)	43 of 100 (Notable)
Okolona	United States	Record daily precipitation	66.8 mm (2.6 in)	42 of 100 (Notable)
Selmer	United States	Record daily precipitation	68.6 mm (2.7 in)	42 of 100 (Notable)
Ridgetown	Canada	Record high maximum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Odesa	Ukraine	Record daily precipitation	26.1 mm (1.0 in)	41 of 100 (Notable)
Clarksdale	United States	Record daily precipitation	58.4 mm (2.3 in)	41 of 100 (Notable)
Tionesta 2 SE Lake	United States	Record daily precipitation	33.5 mm (1.3 in)	41 of 100 (Notable)
Chattanooga AP	United States	Record daily precipitation	71.6 mm (2.8 in)	41 of 100 (Notable)
Charleston	United States	Record daily precipitation	101.9 mm (4.0 in)	40 of 100 (Notable)
Charles Mill Lake	United States	Record daily precipitation	41.1 mm (1.6 in)	40 of 100 (Notable)
Bradford Cntrl Fs	United States	Record daily precipitation	29.0 mm (1.1 in)	40 of 100 (Notable)
Lebanon	United States	Record daily precipitation	51.6 mm (2.0 in)	40 of 100 (Notable)
Mansfield 5 W	United States	Record daily precipitation	36.1 mm (1.4 in)	39 of 100 (Notable)
Atlantic City Marina	United States	Record high maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Arkansas City	United States	Record daily precipitation	86.9 mm (3.4 in)	38 of 100 (Notable)
Fredericktown 4 S	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Norwalk Wwtp	United States	Record daily precipitation	31.2 mm (1.2 in)	38 of 100 (Notable)
Tullahoma	United States	Record daily precipitation	57.9 mm (2.3 in)	38 of 100 (Notable)
Welland	Canada	Record high minimum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Harbor Beach 1 SSE	United States	Record high minimum temperature	7.2 C (45.0 F)	37 of 100 (Notable)
Wooster Exp STN	United States	Record high minimum temperature	11.7 C (53.1 F)	37 of 100 (Notable)
Barnes	United States	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Ashwood	United States	Record daily precipitation	81.3 mm (3.2 in)	37 of 100 (Notable)
Dickson	United States	Record daily precipitation	56.1 mm (2.2 in)	37 of 100 (Notable)
Hot Springs	United States	Record high maximum temperature	28.3 C (82.9 F)	37 of 100 (Notable)
Port Washington	United States	Record high minimum temperature	7.2 C (45.0 F)	37 of 100 (Notable)
Ashland	United States	Record daily precipitation	101.6 mm (4.0 in)	36 of 100 (Notable)
New Albany	United States	Record daily precipitation	144.8 mm (5.7 in)	36 of 100 (Notable)
Olean	United States	Record daily precipitation	27.2 mm (1.1 in)	36 of 100 (Notable)
Albacete Los Llanos	Spain	Record low minimum temperature	-8.0 C (17.6 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,074 records

Records set or tied on 15 March 1973 by type: Highest daily maximum 277, Lowest daily maximum 33, Highest daily minimum 485, Lowest daily minimum 26, Heaviest daily rainfall 235, Heaviest daily snowfall 9, Deepest snow cover 9.

Records on 15 March 1973 by type
Record type	Records
Highest daily maximum	277
Lowest daily maximum	33
Highest daily minimum	485
Lowest daily minimum	26
Heaviest daily rainfall	235
Heaviest daily snowfall	9
Deepest snow cover	9

Records on 15 March 1973 by timescale: all-time 0, monthly 41, daily 1,033.

How Much Records Were Beaten By

880 broken records

Margins by which the 880 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

15 March 1973

Top 20 records on 15 March 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 March 1973	Hickory Flat, US	monthly rain	152.4 mm (6.0 in)	57.1 mm (2.2 in)	59 years	67 of 100 (Major)
15 March 1973	Palmetto, US	daily rain	121.2 mm (4.8 in)	86.4 mm (3.4 in)	60 years	66 of 100 (Major)
15 March 1973	Water Valley, US	daily rain	117.1 mm (4.6 in)	63.0 mm (2.5 in)	75 years	64 of 100 (Major)
15 March 1973	Voznesensk, UA	monthly rain	40.6 mm (1.6 in)	24.3 mm (1.0 in)	15 years	57 of 100 (Notable)
15 March 1973	Ft Washakie 1 SE, US	monthly snow depth	61.0 cm (24.0 in)	30.5 cm (12.0 in)	10 years	57 of 100 (Notable)
15 March 1973	Batesville, US	monthly rain	144.5 mm (5.7 in)	30.2 mm (1.2 in)	70 years	55 of 100 (Notable)
15 March 1973	Dumas, US	daily rain	102.9 mm (4.1 in)	57.2 mm (2.3 in)	50 years	52 of 100 (Notable)
15 March 1973	Clarion 3 SW, US	daily rain	42.4 mm (1.7 in)	22.8 mm (0.9 in)	56 years	52 of 100 (Notable)
15 March 1973	Abbeville, US	monthly rain	149.9 mm (5.9 in)	51.9 mm (2.0 in)	28 years	51 of 100 (Notable)
15 March 1973	Wooster Exp STN, US	daily rain	43.9 mm (1.7 in)	23.6 mm (0.9 in)	56 years	51 of 100 (Notable)
15 March 1973	East Brady, US	daily rain	43.2 mm (1.7 in)	36.3 mm (1.4 in)	20 years	51 of 100 (Notable)
15 March 1973	Carrollton 3 NNE, US	daily rain	28.7 mm (1.1 in)	16.5 mm (0.6 in)	78 years	50 of 100 (Notable)
15 March 1973	Chippewa Lake, US	daily rain	39.4 mm (1.6 in)	19.1 mm (0.8 in)	60 years	50 of 100 (Notable)
15 March 1973	Mc Minnville, US	daily rain	65.0 mm (2.6 in)	30.5 mm (1.2 in)	76 years	50 of 100 (Notable)
15 March 1973	Waynesboro, US	daily rain	129.5 mm (5.1 in)	85.8 mm (3.4 in)	8 years	50 of 100 (Notable)
15 March 1973	Ripley, US	daily rain	175.8 mm (6.9 in)	126.3 mm (5.0 in)	8 years	49 of 100 (Notable)
15 March 1973	Franklin, US	daily rain	33.3 mm (1.3 in)	18.1 mm (0.7 in)	56 years	49 of 100 (Notable)
15 March 1973	Kane 1NNE, US	daily rain	36.6 mm (1.4 in)	21.4 mm (0.8 in)	27 years	49 of 100 (Notable)
15 March 1973	Meadville 1 S, US	daily rain	40.4 mm (1.6 in)	30.2 mm (1.2 in)	16 years	49 of 100 (Notable)
15 March 1973	Murfreesboro 5 N, US	daily rain	66.0 mm (2.6 in)	26.9 mm (1.1 in)	76 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

1810 to 1973

Records set or tied on this calendar date in each year from 1810 to 1973. 1973 had 1,074 records.

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

Records on 03-15 in each year
Year	Records
1810	1
1813	1
1825	1
1826	1
1828	1
1835	1
1836	2
1839	1
1840	1
1845	3
1846	1
1850	1
1852	2
1854	1
1859	3
1863	1
1867	1
1869	1
1878	1
1882	3
1883	1
1884	3
1886	1
1887	1
1888	3
1889	3
1890	3
1891	5
1892	6
1893	5
1894	1
1895	4
1896	5
1898	3
1899	5
1900	12
1901	11
1902	14
1903	9
1904	6
1905	14
1906	36
1907	16
1908	43
1909	13
1910	23
1911	27
1912	51
1913	79
1914	32
1915	11
1916	34
1917	36
1918	81
1919	40
1920	43
1921	140
1922	39
1923	134
1924	145
1925	72
1926	169
1927	332
1928	193
1929	267
1930	240
1931	122
1932	610
1933	167
1934	298
1935	617
1936	298
1937	711
1938	505
1939	336
1940	340
1941	259
1942	399
1943	639
1944	622
1945	895
1946	915
1947	374
1948	198
1949	409
1950	249
1951	334
1952	358
1953	298
1954	340
1955	419
1956	534
1957	485
1958	431
1959	348
1960	972
1961	430
1962	585
1963	297
1964	411
1965	174
1966	893
1967	831
1968	545
1969	933
1970	541
1971	772
1972	814
1973	1,074
1974	439
1975	713
1976	220
1977	787
1978	566
1979	997
1980	503
1981	799
1982	997
1983	844
1984	638
1985	519
1986	771
1987	687
1988	1,599
1989	1,221
1990	2,255
1991	852
1992	1,131
1993	3,353
1994	1,405
1995	1,372
1996	706
1997	1,500
1998	847
1999	1,269
2000	458
2001	930
2002	1,317
2003	1,157
2004	1,046
2005	1,099
2006	688
2007	1,420
2008	903
2009	744
2010	675
2011	730
2012	2,297
2013	1,486
2014	397
2015	1,573
2016	948
2017	1,497
2018	538
2019	861
2020	1,128
2021	916
2022	491
2023	768
2024	1,401
2025	1,162
2026	877

Download the Data

Data for records on 1973-03-15: 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	859
50 to 100	16
100 to 150	2
150 to 200	1
200 to 250	1
250 to 300	0
300 to 350	1