Weather Records on 30 March 1946

536 weather records were set or tied worldwide on 30 March 1946. Highest significance: Valyermo Rs, US.

Key Facts for 30 March 1946

On 30 March 1946, 536 weather records were set or tied at long-record stations worldwide.
366 were record highs and 38 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 64 monthly and 471 daily.
Valyermo Rs set a daily record precipitation of 61.5 mm (2.4 in) on 30 March 1946.
Across 162 earlier years (1796 to 2026) the same calendar date averaged 474 records.

Record Map

536 stations

536 station records on 30 March 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 March 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Valyermo Rs	United States	Record daily precipitation	61.5 mm (2.4 in)	51 of 100 (Notable)
Manamathurai	India	Record daily precipitation	85.1 mm (3.4 in)	50 of 100 (Notable)
Priest Valley	United States	Record daily precipitation	53.6 mm (2.1 in)	47 of 100 (Notable)
N Fk Rs	United States	Record daily precipitation	78.2 mm (3.1 in)	46 of 100 (Notable)
Austin #2	United States	Record daily precipitation	40.6 mm (1.6 in)	46 of 100 (Notable)
Los Alamos	United States	Record daily precipitation	54.4 mm (2.1 in)	44 of 100 (Notable)
Big Creek Ph 1	United States	Record daily precipitation	77.7 mm (3.1 in)	41 of 100 (Notable)
Parvatipur	India	Record daily precipitation	62.5 mm (2.5 in)	40 of 100 (Notable)
Lovelock	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Pasadena	United States	Record daily precipitation	63.5 mm (2.5 in)	38 of 100 (Notable)
Visalia	United States	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Middlewater	United States	Record daily precipitation	32.8 mm (1.3 in)	34 of 100 (Routine)
Huntsville	United States	Record high maximum temperature	37.2 C (99.0 F)	34 of 100 (Routine)
Elko Rgnl AP	United States	Record daily snowfall	16.8 cm (6.6 in)	33 of 100 (Routine)
Allepey Pwd	India	Record daily precipitation	59.9 mm (2.4 in)	32 of 100 (Routine)
Hetch Hetchy	United States	Record daily precipitation	61.7 mm (2.4 in)	32 of 100 (Routine)
Long Beach Pub Svc	United States	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Sierra Madre Henszey	United States	Record daily precipitation	55.4 mm (2.2 in)	31 of 100 (Routine)
Lake Arthur 7 SW	United States	Record high maximum temperature	33.3 C (91.9 F)	31 of 100 (Routine)
Sugar Land	United States	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Beaumont City	United States	Record high maximum temperature	35.0 C (95.0 F)	30 of 100 (Routine)
Letjiebos (Sar)	South Africa	Record daily precipitation	26.4 mm (1.0 in)	29 of 100 (Routine)
Santa Maria	United States	Record daily precipitation	61.5 mm (2.4 in)	29 of 100 (Routine)
Cinclare	United States	Record high maximum temperature	33.3 C (91.9 F)	29 of 100 (Routine)
Clinton Forestry HQ	United States	Record high maximum temperature	32.2 C (90.0 F)	29 of 100 (Routine)
Jennings	United States	Record high maximum temperature	33.3 C (91.9 F)	29 of 100 (Routine)
Lake Charles Chenault	United States	Record high maximum temperature	34.4 C (93.9 F)	29 of 100 (Routine)
Pattiway	United States	Record daily precipitation	29.5 mm (1.2 in)	28 of 100 (Routine)
Three Rivers Ed Ph 2	United States	Record daily precipitation	49.5 mm (1.9 in)	28 of 100 (Routine)
Abbeville	United States	Record high maximum temperature	33.3 C (91.9 F)	28 of 100 (Routine)
Biloxi	United States	Record high maximum temperature	31.7 C (89.1 F)	28 of 100 (Routine)
Grafton 1 NE	United States	Record daily precipitation	35.1 mm (1.4 in)	28 of 100 (Routine)
Junction 4SSW	United States	Record high maximum temperature	37.8 C (100.0 F)	27 of 100 (Routine)
Hanford 1 S	United States	Record daily precipitation	39.4 mm (1.6 in)	26 of 100 (Routine)
Pine Rvr Dam	United States	Record daily precipitation	25.7 mm (1.0 in)	26 of 100 (Routine)
Lampasas	United States	Record high maximum temperature	37.2 C (99.0 F)	26 of 100 (Routine)
Whitehead	Canada	Record high maximum temperature	11.7 C (53.1 F)	25 of 100 (Routine)
Guayama 1SW	Puerto Rico [United States]	Record high maximum temperature	33.3 C (91.9 F)	25 of 100 (Routine)
Tustin Irvine Rch	United States	Record daily precipitation	33.5 mm (1.3 in)	25 of 100 (Routine)
Ft Robinson	United States	Record high maximum temperature	30.6 C (87.1 F)	25 of 100 (Routine)
San Jon	United States	Record high maximum temperature	31.1 C (88.0 F)	25 of 100 (Routine)
Nacogdoches	United States	Record high maximum temperature	33.9 C (93.0 F)	25 of 100 (Routine)
Temple	United States	Record high maximum temperature	36.7 C (98.1 F)	25 of 100 (Routine)
Klipplaatdrift (Skl)	South Africa	Record daily precipitation	39.6 mm (1.6 in)	24 of 100 (Routine)
Buxton	United Kingdom	Record high maximum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Russellville	United States	Record high maximum temperature	31.1 C (88.0 F)	24 of 100 (Routine)
Fairmont	United States	Record daily precipitation	56.9 mm (2.2 in)	24 of 100 (Routine)
Yorba Linda	United States	Record daily precipitation	40.6 mm (1.6 in)	24 of 100 (Routine)
Yosemite Park HQ	United States	Record daily precipitation	64.3 mm (2.5 in)	24 of 100 (Routine)
Louisa	United States	Record daily precipitation	35.8 mm (1.4 in)	24 of 100 (Routine)
Newport	United States	Record high maximum temperature	30.6 C (87.1 F)	23 of 100 (Routine)
Ozark	United States	Record high maximum temperature	30.6 C (87.1 F)	23 of 100 (Routine)
Delta	United States	Record high maximum temperature	26.1 C (79.0 F)	23 of 100 (Routine)
Calhoun 2 N	United States	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
Bay Saint Louis	United States	Record high maximum temperature	33.3 C (91.9 F)	23 of 100 (Routine)
Oakwood 3 SW	United States	Record high minimum temperature	23.9 C (75.0 F)	23 of 100 (Routine)
Johnstown	United States	Record high minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Brenham	United States	Record high maximum temperature	36.1 C (97.0 F)	23 of 100 (Routine)
Diamond Springs	United States	Record daily precipitation	28.2 mm (1.1 in)	23 of 100 (Routine)
Grafton 1 NE	United States	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)

Counts by Type and Timescale

536 records

Records set or tied on 30 March 1946 by type: Highest daily maximum 297, Lowest daily maximum 34, Highest daily minimum 69, Lowest daily minimum 4, Heaviest daily rainfall 119, Heaviest daily snowfall 12, Deepest snow cover 1.

Records on 30 March 1946 by type
Record type	Records
Highest daily maximum	297
Lowest daily maximum	34
Highest daily minimum	69
Lowest daily minimum	4
Heaviest daily rainfall	119
Heaviest daily snowfall	12
Deepest snow cover	1

Records on 30 March 1946 by timescale: all-time 1, monthly 64, daily 471.

How Much Records Were Beaten By

423 broken records

Margins by which the 423 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

30 March 1946

Top 20 records on 30 March 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 March 1946	Valyermo Rs, US	daily rain	61.5 mm (2.4 in)	61.5 mm (2.4 in)	29 years	51 of 100 (Notable)
30 March 1946	Manamathurai, IN	daily rain	85.1 mm (3.4 in)	72.4 mm (2.9 in)	21 years	50 of 100 (Notable)
30 March 1946	Priest Valley, US	daily rain	53.6 mm (2.1 in)	35.8 mm (1.4 in)	40 years	47 of 100 (Notable)
30 March 1946	N Fk Rs, US	daily rain	78.2 mm (3.1 in)	58.4 mm (2.3 in)	40 years	46 of 100 (Notable)
30 March 1946	Austin #2, US	monthly rain	40.6 mm (1.6 in)	10.1 mm (0.4 in)	38 years	46 of 100 (Notable)
30 March 1946	Los Alamos, US	daily rain	54.4 mm (2.1 in)	51.6 mm (2.0 in)	3 years	44 of 100 (Notable)
30 March 1946	Big Creek Ph 1, US	daily rain	77.7 mm (3.1 in)	54.6 mm (2.1 in)	5 years	41 of 100 (Notable)
30 March 1946	Parvatipur, IN	daily rain	62.5 mm (2.5 in)	52.3 mm (2.1 in)	1 year	40 of 100 (Notable)
30 March 1946	Lovelock, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	50 years	40 of 100 (Notable)
30 March 1946	Pasadena, US	daily rain	63.5 mm (2.5 in)	50.0 mm (2.0 in)	32 years	38 of 100 (Notable)
30 March 1946	Visalia, US	daily rain	27.9 mm (1.1 in)	15.2 mm (0.6 in)	41 years	37 of 100 (Notable)
30 March 1946	Middlewater, US	monthly rain	32.8 mm (1.3 in)	7.4 mm (0.29 in)	27 years	34 of 100 (Routine)
30 March 1946	Huntsville, US	monthly high max	37.2 C (99.0 F)	5.0 C (9.0 F)	42 years	34 of 100 (Routine)
30 March 1946	Elko Rgnl AP, US	daily snowfall	16.8 cm (6.6 in)	14.3 cm (5.6 in)	28 years	33 of 100 (Routine)
30 March 1946	Allepey Pwd, IN	daily rain	59.9 mm (2.4 in)	44.7 mm (1.8 in)	9 years	32 of 100 (Routine)
30 March 1946	Hetch Hetchy, US	daily rain	61.7 mm (2.4 in)	33.8 mm (1.3 in)	20 years	32 of 100 (Routine)
30 March 1946	Long Beach Pub Svc, US	daily rain	29.2 mm (1.1 in)	25.9 mm (1.0 in)	20 years	31 of 100 (Routine)
30 March 1946	Sierra Madre Henszey, US	daily rain	55.4 mm (2.2 in)	36.9 mm (1.5 in)	43 years	31 of 100 (Routine)
30 March 1946	Lake Arthur 7 SW, US	monthly high max	33.3 C (91.9 F)	2.7 C (4.9 F)	39 years	31 of 100 (Routine)
30 March 1946	Sugar Land, US	monthly high max	35.6 C (96.1 F)	2.8 C (5.0 F)	37 years	31 of 100 (Routine)

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 1946

Records set or tied on this calendar date in each year from 1796 to 1946. 1946 had 536 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 1946-03-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	396
20 to 40	15
40 to 60	6
60 to 80	2
80 to 100	1
100 to 120	1
120 to 140	0
140 to 160	2