Weather Records on 18 April 1964

449 weather records were set or tied worldwide on 18 April 1964. Highest significance: Elizabeth, US.

Key Facts for 18 April 1964

On 18 April 1964, 449 weather records were set or tied at long-record stations worldwide.
237 were record highs and 148 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 439 daily.
Elizabeth set a monthly record daily precipitation of 196.9 mm (7.8 in) on 18 April 1964.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 467 records.

Record Map

449 stations

449 station records on 18 April 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Elizabeth	United States	Record daily precipitation	196.9 mm (7.8 in)	49 of 100 (Notable)
Mont-Aigoual	France	Record daily precipitation	89.0 mm (3.5 in)	45 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	20.8 C (69.4 F)	43 of 100 (Notable)
Batalha	Brazil	Record daily precipitation	76.0 mm (3.0 in)	42 of 100 (Notable)
Deols Chateauroux Aerodrome de	France	Record daily precipitation	42.6 mm (1.7 in)	42 of 100 (Notable)
Sandvig	Denmark	Record high minimum temperature	9.8 C (49.6 F)	40 of 100 (Notable)
Kayatnur	India	Record daily precipitation	68.0 mm (2.7 in)	39 of 100 (Notable)
Rio Formoso	Brazil	Record daily precipitation	80.3 mm (3.2 in)	37 of 100 (Notable)
Kukrahati	India	Record daily precipitation	28.0 mm (1.1 in)	37 of 100 (Notable)
Moro	United States	Record low minimum temperature	-6.7 C (19.9 F)	36 of 100 (Notable)
Piracuruca	Brazil	Record daily precipitation	101.2 mm (4.0 in)	35 of 100 (Notable)
Sveg	Sweden	Record high minimum temperature	4.0 C (39.2 F)	35 of 100 (Notable)
Jonkoping	Sweden	Record high minimum temperature	7.0 C (44.6 F)	34 of 100 (Routine)
Casa Grande	United States	Record high minimum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Saranac Lake	United States	Record high minimum temperature	11.1 C (52.0 F)	32 of 100 (Routine)
Bethlehem Lehigh UNIV	United States	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Falun	Sweden	Record high maximum temperature	22.9 C (73.2 F)	31 of 100 (Routine)
Idaho City	United States	Record low minimum temperature	-13.3 C (8.1 F)	31 of 100 (Routine)
Cornwall	United States	Record high minimum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Taunton	United States	Record high maximum temperature	28.9 C (84.0 F)	30 of 100 (Routine)
Hart 3 WSW	United States	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Pilot Rock 1 SE	United States	Record low minimum temperature	-6.7 C (19.9 F)	30 of 100 (Routine)
Grindstone Island	Canada	Record low maximum temperature	-0.6 C (30.9 F)	29 of 100 (Routine)
Arnsberg	Germany	Record high minimum temperature	11.4 C (52.5 F)	29 of 100 (Routine)
Porthill	United States	Record low minimum temperature	-5.6 C (21.9 F)	29 of 100 (Routine)
Laurel 3 W	United States	Record high minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Solomons	United States	Record high minimum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Fall River	United States	Record high maximum temperature	28.9 C (84.0 F)	29 of 100 (Routine)
Lowell	United States	Record high maximum temperature	27.8 C (82.0 F)	29 of 100 (Routine)
E Jordan	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
East Anaconda	United States	Record low minimum temperature	-11.1 C (12.0 F)	29 of 100 (Routine)
Heppner	United States	Record low minimum temperature	-5.6 C (21.9 F)	29 of 100 (Routine)
Richland	United States	Record low minimum temperature	-9.4 C (15.1 F)	29 of 100 (Routine)
Buckeye	United States	Record high minimum temperature	21.1 C (70.0 F)	28 of 100 (Routine)
Winkelman 6 S	United States	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Brockton	United States	Record high maximum temperature	28.9 C (84.0 F)	28 of 100 (Routine)
Saint Johns	United States	Record high maximum temperature	28.3 C (82.9 F)	28 of 100 (Routine)
Yerevan	Armenia	Record low maximum temperature	10.3 C (50.5 F)	27 of 100 (Routine)
Mokpo	Korea, South	Record high minimum temperature	17.7 C (63.9 F)	27 of 100 (Routine)
Jonkoping	Sweden	Record high maximum temperature	22.3 C (72.1 F)	27 of 100 (Routine)
Gulu	Uganda	Record daily precipitation	44.6 mm (1.8 in)	27 of 100 (Routine)
Russellville	United States	Record high minimum temperature	18.3 C (64.9 F)	27 of 100 (Routine)
Ovando	United States	Record low minimum temperature	-11.1 C (12.0 F)	27 of 100 (Routine)
Elmira	United States	Record high maximum temperature	29.4 C (84.9 F)	27 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record high maximum temperature	28.3 C (82.9 F)	27 of 100 (Routine)
Derry 4 SW	United States	Record high minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Snoqualmie Pass	United States	Record low minimum temperature	-7.2 C (19.0 F)	27 of 100 (Routine)
Vernon Coldstream Ranch	Canada	Record low minimum temperature	-3.9 C (25.0 F)	26 of 100 (Routine)
Freiburg	Germany	Record high maximum temperature	25.4 C (77.7 F)	26 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	23.1 C (73.6 F)	26 of 100 (Routine)
Missoula 6 NW WFO	United States	Record low minimum temperature	-8.3 C (17.1 F)	26 of 100 (Routine)
Liberty 1 NE	United States	Record high minimum temperature	8.9 C (48.0 F)	26 of 100 (Routine)
Prineville	United States	Record low minimum temperature	-13.3 C (8.1 F)	26 of 100 (Routine)
Reading Wb City	United States	Record high minimum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
Moosomin	Canada	Record low minimum temperature	-10.6 C (12.9 F)	25 of 100 (Routine)
Muenster	Germany	Record high minimum temperature	14.2 C (57.6 F)	25 of 100 (Routine)
Nurnberg	Germany	Record high maximum temperature	23.2 C (73.8 F)	25 of 100 (Routine)
Vajda-Guba	Russia	Record high minimum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Hyannis	United States	Record high maximum temperature	29.4 C (84.9 F)	25 of 100 (Routine)

Counts by Type and Timescale

449 records

Records set or tied on 18 April 1964 by type: Highest daily maximum 103, Lowest daily maximum 17, Highest daily minimum 134, Lowest daily minimum 131, Heaviest daily rainfall 58, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 18 April 1964 by type
Record type	Records
Highest daily maximum	103
Lowest daily maximum	17
Highest daily minimum	134
Lowest daily minimum	131
Heaviest daily rainfall	58
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 18 April 1964 by timescale: all-time 0, monthly 10, daily 439.

How Much Records Were Beaten By

337 broken records

Margins by which the 337 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

18 April 1964

Top 20 records on 18 April 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1964	Elizabeth, US	monthly rain	196.9 mm (7.8 in)	63.5 mm (2.5 in)	35 years	49 of 100 (Notable)
18 April 1964	Mont-Aigoual, FR	daily rain	89.0 mm (3.5 in)	42.0 mm (1.7 in)	58 years	45 of 100 (Notable)
18 April 1964	Uppsala_Aut, SE	daily high max	20.8 C (69.4 F)	1.5 C (2.7 F)	109 years	43 of 100 (Notable)
18 April 1964	Batalha, BR	daily rain	76.0 mm (3.0 in)	39.9 mm (1.6 in)	48 years	42 of 100 (Notable)
18 April 1964	Deols Chateauroux Aerodrome de, FR	monthly rain	42.6 mm (1.7 in)	8.8 mm (0.35 in)	23 years	42 of 100 (Notable)
18 April 1964	Sandvig, DK	daily high min	9.8 C (49.6 F)	2.5 C (4.5 F)	69 years	40 of 100 (Notable)
18 April 1964	Kayatnur, IN	daily rain	68.0 mm (2.7 in)	43.9 mm (1.7 in)	19 years	39 of 100 (Notable)
18 April 1964	Rio Formoso, BR	daily rain	80.3 mm (3.2 in)	59.2 mm (2.3 in)	15 years	37 of 100 (Notable)
18 April 1964	Kukrahati, IN	daily rain	28.0 mm (1.1 in)	22.9 mm (0.9 in)	52 years	37 of 100 (Notable)
18 April 1964	Moro, US	daily low min	-6.7 C (19.9 F)	3.9 C (7.0 F)	65 years	36 of 100 (Notable)
18 April 1964	Piracuruca, BR	daily rain	101.2 mm (4.0 in)	38.0 mm (1.5 in)	42 years	35 of 100 (Notable)
18 April 1964	Sveg, SE	daily high min	4.0 C (39.2 F)	2.0 C (3.6 F)	76 years	35 of 100 (Notable)
18 April 1964	Jonkoping, SE	daily high min	7.0 C (44.6 F)	2.0 C (3.6 F)	69 years	34 of 100 (Routine)
18 April 1964	Casa Grande, US	daily high min	18.9 C (66.0 F)	4.5 C (8.1 F)	54 years	33 of 100 (Routine)
18 April 1964	Saranac Lake, US	daily high min	11.1 C (52.0 F)	3.3 C (5.9 F)	64 years	32 of 100 (Routine)
18 April 1964	Bethlehem Lehigh UNIV, US	daily high min	20.0 C (68.0 F)	5.6 C (10.1 F)	46 years	32 of 100 (Routine)
18 April 1964	Atlantic City Marina, US	daily high min	13.3 C (55.9 F)	1.1 C (2.0 F)	67 years	32 of 100 (Routine)
18 April 1964	Falun, SE	monthly high max	22.9 C (73.2 F)	0.6 C (1.1 F)	49 years	31 of 100 (Routine)
18 April 1964	Idaho City, US	daily low min	-13.3 C (8.1 F)	3.9 C (7.0 F)	47 years	31 of 100 (Routine)
18 April 1964	Cornwall, US	daily high min	12.2 C (54.0 F)	2.2 C (4.0 F)	67 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

1793 to 1964

Records set or tied on this calendar date in each year from 1793 to 1964. 1964 had 449 records.

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

Records on 04-18 in each year
Year	Records
1793	1
1807	2
1815	1
1838	1
1847	1
1849	1
1851	1
1852	3
1854	3
1855	1
1865	4
1867	1
1870	1
1871	1
1875	4
1877	2
1878	1
1879	3
1880	2
1884	2
1886	2
1887	3
1888	1
1889	1
1890	2
1891	1
1892	3
1893	5
1894	7
1895	2
1896	3
1897	5
1898	8
1899	2
1900	2
1901	6
1902	5
1903	11
1904	9
1905	12
1906	18
1907	17
1908	37
1909	19
1910	19
1911	25
1912	21
1913	26
1914	38
1915	31
1916	22
1917	40
1918	76
1919	16
1920	64
1921	58
1922	85
1923	107
1924	101
1925	154
1926	322
1927	391
1928	323
1929	126
1930	113
1931	173
1932	326
1933	211
1934	391
1935	264
1936	483
1937	477
1938	711
1939	525
1940	322
1941	496
1942	287
1943	298
1944	259
1945	371
1946	357
1947	444
1948	932
1949	345
1950	244
1951	658
1952	536
1953	1,322
1954	442
1955	817
1956	467
1957	629
1958	370
1959	468
1960	320
1961	520
1962	484
1963	662
1964	449
1965	363
1966	776
1967	882
1968	867
1969	795
1970	771
1971	1,106
1972	470
1973	953
1974	326
1975	751
1976	1,309
1977	717
1978	803
1979	841
1980	842
1981	708
1982	616
1983	2,082
1984	625
1985	1,119
1986	622
1987	1,068
1988	936
1989	625
1990	1,368
1991	780
1992	702
1993	730
1994	1,218
1995	1,601
1996	826
1997	1,256
1998	1,011
1999	1,428
2000	912
2001	1,487
2002	2,084
2003	969
2004	846
2005	622
2006	1,262
2007	675
2008	913
2009	624
2010	478
2011	1,122
2012	744
2013	2,509
2014	534
2015	519
2016	973
2017	588
2018	1,202
2019	601
2020	770
2021	592
2022	1,013
2023	739
2024	641
2025	997
2026	498

Download the Data

Data for records on 1964-04-18: 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 10	322
10 to 20	3
20 to 30	5
30 to 40	2
40 to 50	2
50 to 60	1
60 to 70	1
70 to 80	1