Weather Records on 17 March 1974

837 weather records were set or tied worldwide on 17 March 1974. Highest significance: Mission 4 W, US.

Key Facts for 17 March 1974

On 17 March 1974, 837 weather records were set or tied at long-record stations worldwide.
369 were record highs and 37 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 30 monthly and 807 daily.
Mission 4 W set a daily record precipitation of 45.0 mm (1.8 in) on 17 March 1974.
Across 161 earlier years (1825 to 2026) the same calendar date averaged 473 records.

Record Map

837 stations

837 station records on 17 March 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 March 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mission 4 W	United States	Record daily precipitation	45.0 mm (1.8 in)	63 of 100 (Major)
Northfield	United States	Record daily precipitation	38.1 mm (1.5 in)	60 of 100 (Major)
Glengyle	Australia	Record daily precipitation	76.4 mm (3.0 in)	58 of 100 (Notable)
Port Hastings	Canada	Record daily precipitation	39.4 mm (1.6 in)	58 of 100 (Notable)
Gardiner	United States	Record daily precipitation	72.6 mm (2.9 in)	55 of 100 (Notable)
Dublin	United States	Record daily precipitation	57.9 mm (2.3 in)	55 of 100 (Notable)
Pinkham Notch	United States	Record daily precipitation	88.1 mm (3.5 in)	53 of 100 (Notable)
Vernon	United States	Record daily precipitation	65.5 mm (2.6 in)	53 of 100 (Notable)
Ariri	Brazil	Record daily precipitation	218.1 mm (8.6 in)	52 of 100 (Notable)
Lugansk	Ukraine	Record daily precipitation	30.0 mm (1.2 in)	52 of 100 (Notable)
Madison	United States	Record daily precipitation	52.8 mm (2.1 in)	52 of 100 (Notable)
Nashua 2 NNW	United States	Record daily precipitation	66.5 mm (2.6 in)	52 of 100 (Notable)
Red Deer	Canada	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Tibaji	Brazil	Record daily precipitation	84.4 mm (3.3 in)	48 of 100 (Notable)
West Rumney	United States	Record daily precipitation	53.6 mm (2.1 in)	47 of 100 (Notable)
Alliance	Canada	Record daily snowfall	21.6 cm (8.5 in)	46 of 100 (Notable)
Bellows Falls	United States	Record daily precipitation	56.4 mm (2.2 in)	46 of 100 (Notable)
Harris	Canada	Record daily snowfall	15.2 cm (6.0 in)	45 of 100 (Notable)
Belfast	United States	Record daily precipitation	61.0 mm (2.4 in)	45 of 100 (Notable)
Grand Lac Victoria	Canada	Record daily snowfall	20.8 cm (8.2 in)	44 of 100 (Notable)
Greenville Muni AP	United States	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Fitzwilliam 2 W	United States	Record daily precipitation	56.6 mm (2.2 in)	44 of 100 (Notable)
McAllen	United States	Record daily precipitation	55.1 mm (2.2 in)	44 of 100 (Notable)
Salto de Pirapora	Brazil	Record daily precipitation	100.6 mm (4.0 in)	43 of 100 (Notable)
Alambari	Brazil	Record daily precipitation	96.2 mm (3.8 in)	43 of 100 (Notable)
Barra Do Capinzal	Brazil	Record daily precipitation	77.0 mm (3.0 in)	43 of 100 (Notable)
Kamensk-Sahtinskij	Russia	Record daily precipitation	28.7 mm (1.1 in)	43 of 100 (Notable)
Fazenda Brejo Alegre	Brazil	Record daily precipitation	68.3 mm (2.7 in)	42 of 100 (Notable)
Saint Johnsbury	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Cabralia Paulista	Brazil	Record daily precipitation	90.3 mm (3.6 in)	41 of 100 (Notable)
Russell	Canada	Record daily snowfall	8.9 cm (3.5 in)	41 of 100 (Notable)
Woodstock	United States	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Glenormiston	Australia	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Presidente Alves	Brazil	Record daily precipitation	111.0 mm (4.4 in)	40 of 100 (Notable)
Sarapui	Brazil	Record daily precipitation	55.1 mm (2.2 in)	40 of 100 (Notable)
Canaan	United States	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Tatui	Brazil	Record daily precipitation	71.2 mm (2.8 in)	39 of 100 (Notable)
Usina Turvinho	Brazil	Record daily precipitation	111.2 mm (4.4 in)	39 of 100 (Notable)
Trafalgar	Canada	Record daily precipitation	33.8 mm (1.3 in)	39 of 100 (Notable)
Millinocket	United States	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Kingston	United States	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Black Rock	United States	Record high minimum temperature	8.9 C (48.0 F)	39 of 100 (Notable)
Newfane	United States	Record daily precipitation	56.6 mm (2.2 in)	39 of 100 (Notable)
Colina	Brazil	Record daily precipitation	82.0 mm (3.2 in)	38 of 100 (Notable)
Iguape	Brazil	Record daily precipitation	103.2 mm (4.1 in)	38 of 100 (Notable)
Falls Village	United States	Record daily precipitation	37.6 mm (1.5 in)	38 of 100 (Notable)
Ribeira	Brazil	Record daily precipitation	46.7 mm (1.8 in)	37 of 100 (Notable)
Kranskop (Tnk)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	37 of 100 (Notable)
Ingwavuma (Tnk)	South Africa	Record daily precipitation	76.0 mm (3.0 in)	37 of 100 (Notable)
Franklin	United States	Record daily precipitation	44.5 mm (1.8 in)	37 of 100 (Notable)
Heath	United States	Record daily precipitation	48.5 mm (1.9 in)	37 of 100 (Notable)
Bradford	United States	Record daily precipitation	58.9 mm (2.3 in)	37 of 100 (Notable)
Greenville	United States	Record daily precipitation	39.1 mm (1.5 in)	37 of 100 (Notable)
Garrison	United States	Record high minimum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Fazenda Barreirinho	Brazil	Record daily precipitation	90.0 mm (3.5 in)	36 of 100 (Notable)
Clarke City	Canada	Record daily snowfall	24.4 cm (9.6 in)	36 of 100 (Notable)
Ilhota-Jusante	Brazil	Record daily precipitation	76.2 mm (3.0 in)	35 of 100 (Notable)
Uniao	Brazil	Record daily precipitation	92.8 mm (3.7 in)	35 of 100 (Notable)
Macklin	Canada	Record daily snowfall	19.8 cm (7.8 in)	35 of 100 (Notable)
Great Brak River	South Africa	Record daily precipitation	40.0 mm (1.6 in)	35 of 100 (Notable)

Counts by Type and Timescale

837 records

Records set or tied on 17 March 1974 by type: Highest daily maximum 164, Lowest daily maximum 23, Highest daily minimum 205, Lowest daily minimum 14, Heaviest daily rainfall 380, Heaviest daily snowfall 49, Deepest snow cover 2.

Records on 17 March 1974 by type
Record type	Records
Highest daily maximum	164
Lowest daily maximum	23
Highest daily minimum	205
Lowest daily minimum	14
Heaviest daily rainfall	380
Heaviest daily snowfall	49
Deepest snow cover	2

Records on 17 March 1974 by timescale: all-time 0, monthly 30, daily 807.

How Much Records Were Beaten By

694 broken records

Margins by which the 694 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 165.0. Ties are not counted.

Top 20 by Significance

17 March 1974

Top 20 records on 17 March 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 March 1974	Mission 4 W, US	daily rain	45.0 mm (1.8 in)	38.6 mm (1.5 in)	56 years	63 of 100 (Major)
17 March 1974	Northfield, US	daily rain	38.1 mm (1.5 in)	21.8 mm (0.9 in)	72 years	60 of 100 (Major)
17 March 1974	Glengyle, AU	daily rain	76.4 mm (3.0 in)	71.6 mm (2.8 in)	43 years	58 of 100 (Notable)
17 March 1974	Port Hastings, CA	daily rain	39.4 mm (1.6 in)	24.2 mm (1.0 in)	83 years	58 of 100 (Notable)
17 March 1974	Gardiner, US	daily rain	72.6 mm (2.9 in)	28.1 mm (1.1 in)	72 years	55 of 100 (Notable)
17 March 1974	Dublin, US	daily rain	57.9 mm (2.3 in)	47.5 mm (1.9 in)	25 years	55 of 100 (Notable)
17 March 1974	Pinkham Notch, US	daily rain	88.1 mm (3.5 in)	58.6 mm (2.3 in)	32 years	53 of 100 (Notable)
17 March 1974	Vernon, US	daily rain	65.5 mm (2.6 in)	36.3 mm (1.4 in)	32 years	53 of 100 (Notable)
17 March 1974	Ariri, BR	daily rain	218.1 mm (8.6 in)	138.1 mm (5.4 in)	32 years	52 of 100 (Notable)
17 March 1974	Lugansk, UA	monthly rain	30.0 mm (1.2 in)	5.6 mm (0.22 in)	60 years	52 of 100 (Notable)
17 March 1974	Madison, US	daily rain	52.8 mm (2.1 in)	36.0 mm (1.4 in)	32 years	52 of 100 (Notable)
17 March 1974	Nashua 2 NNW, US	daily rain	66.5 mm (2.6 in)	36.0 mm (1.4 in)	32 years	52 of 100 (Notable)
17 March 1974	Red Deer, CA	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	60 years	50 of 100 (Notable)
17 March 1974	Tibaji, BR	daily rain	84.4 mm (3.3 in)	59.1 mm (2.3 in)	32 years	48 of 100 (Notable)
17 March 1974	West Rumney, US	daily rain	53.6 mm (2.1 in)	34.0 mm (1.3 in)	17 years	47 of 100 (Notable)
17 March 1974	Alliance, CA	daily snowfall	21.6 cm (8.5 in)	16.5 cm (6.5 in)	4 years	46 of 100 (Notable)
17 March 1974	Bellows Falls, US	monthly rain	56.4 mm (2.2 in)	9.2 mm (0.36 in)	60 years	46 of 100 (Notable)
17 March 1974	Harris, CA	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	41 years	45 of 100 (Notable)
17 March 1974	Belfast, US	daily rain	61.0 mm (2.4 in)	23.4 mm (0.9 in)	72 years	45 of 100 (Notable)
17 March 1974	Grand Lac Victoria, CA	daily snowfall	20.8 cm (8.2 in)	14.4 cm (5.7 in)	25 years	44 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

1825 to 1974

Records set or tied on this calendar date in each year from 1825 to 1974. 1974 had 837 records.

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

Records on 03-17 in each year
Year	Records
1825	2
1839	1
1845	1
1850	2
1852	1
1853	1
1856	1
1857	1
1863	1
1866	2
1867	1
1869	1
1870	1
1872	1
1874	3
1876	1
1877	2
1878	3
1879	1
1881	1
1882	4
1883	1
1884	3
1885	3
1886	1
1887	3
1888	2
1889	3
1890	2
1892	1
1895	5
1896	2
1897	9
1898	14
1899	5
1900	5
1901	4
1902	16
1903	10
1904	11
1905	10
1906	15
1907	14
1908	20
1909	20
1910	17
1911	7
1912	7
1913	31
1914	28
1915	22
1916	40
1917	52
1918	26
1919	86
1920	50
1921	96
1922	49
1923	130
1924	78
1925	143
1926	185
1927	369
1928	230
1929	85
1930	306
1931	124
1932	484
1933	198
1934	368
1935	259
1936	601
1937	455
1938	394
1939	583
1940	250
1941	689
1942	783
1943	500
1944	288
1945	1,345
1946	810
1947	332
1948	340
1949	178
1950	1,105
1951	489
1952	527
1953	236
1954	365
1955	385
1956	573
1957	327
1958	535
1959	471
1960	814
1961	679
1962	321
1963	738
1964	241
1965	1,115
1966	970
1967	856
1968	849
1969	651
1970	768
1971	361
1972	1,013
1973	943
1974	837
1975	475
1976	534
1977	479
1978	787
1979	507
1980	658
1981	679
1982	1,315
1983	912
1984	599
1985	662
1986	551
1987	1,362
1988	1,325
1989	1,082
1990	1,916
1991	756
1992	740
1993	1,608
1994	822
1995	989
1996	689
1997	895
1998	972
1999	688
2000	792
2001	1,349
2002	1,210
2003	1,244
2004	1,406
2005	1,475
2006	579
2007	1,470
2008	955
2009	717
2010	584
2011	926
2012	2,715
2013	723
2014	1,039
2015	1,145
2016	545
2017	847
2018	891
2019	738
2020	454
2021	502
2022	452
2023	875
2024	668
2025	722
2026	2,522

Download the Data

Data for records on 1974-03-17: 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 25	610
25 to 50	56
50 to 75	15
75 to 100	4
100 to 125	4
125 to 150	4
150 to 175	1