Weather Records on 21 May 1967

1,022 weather records were set or tied worldwide on 21 May 1967. Highest significance: Waikapu 390, US.

Key Facts for 21 May 1967

On 21 May 1967, 1,022 weather records were set or tied at long-record stations worldwide.
201 were record highs and 404 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 1,010 daily.
Waikapu 390 set a monthly record daily precipitation of 100.3 mm (3.9 in) on 21 May 1967.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

1,022 stations

1,022 station records on 21 May 1967 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 May 1967: highest significance records shown on the map
Station	Country	Type	Value	Significance
Waikapu 390	United States	Record daily precipitation	100.3 mm (3.9 in)	67 of 100 (Major)
Kickerbell	Australia	Record daily precipitation	45.2 mm (1.8 in)	50 of 100 (Notable)
Huntington Lake	United States	Record snow depth	116.8 cm (46.0 in)	50 of 100 (Notable)
Acude Bonito	Brazil	Record daily precipitation	49.2 mm (1.9 in)	49 of 100 (Notable)
Warrumbungle Post Office	Australia	Record daily precipitation	43.7 mm (1.7 in)	48 of 100 (Notable)
Hankey (Pol)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	44 of 100 (Notable)
Merriwa (Cranbourne)	Australia	Record daily precipitation	26.4 mm (1.0 in)	42 of 100 (Notable)
Mardie	Australia	Record daily precipitation	95.8 mm (3.8 in)	41 of 100 (Notable)
Merriwa (Gummun Place)	Australia	Record daily precipitation	25.9 mm (1.0 in)	41 of 100 (Notable)
Onslow	Australia	Record daily precipitation	67.6 mm (2.7 in)	40 of 100 (Notable)
Gunnedah Pool	Australia	Record daily precipitation	32.8 mm (1.3 in)	40 of 100 (Notable)
Boggabri (Penryn)	Australia	Record daily precipitation	33.5 mm (1.3 in)	40 of 100 (Notable)
Farmerville	United States	Record daily precipitation	75.2 mm (3.0 in)	40 of 100 (Notable)
Lordsburg 4 SE	United States	Record low minimum temperature	-1.1 C (30.0 F)	40 of 100 (Notable)
Alcozauca (Smn)	Mexico	Record daily precipitation	35.8 mm (1.4 in)	39 of 100 (Notable)
Longview	United States	Record daily precipitation	72.1 mm (2.8 in)	39 of 100 (Notable)
Murrurundi Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Merriwa (Merry Vale)	Australia	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Florence	United States	Record daily precipitation	66.0 mm (2.6 in)	38 of 100 (Notable)
Marshall	United States	Record daily precipitation	71.9 mm (2.8 in)	38 of 100 (Notable)
Long Lake Dam	United States	Record daily snowfall	7.6 cm (3.0 in)	38 of 100 (Notable)
Lawrence	United States	Record low minimum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record low minimum temperature	-6.1 C (21.0 F)	37 of 100 (Notable)
Noorama	Australia	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
Coolatai (Orana)	Australia	Record daily precipitation	33.5 mm (1.3 in)	36 of 100 (Notable)
Bowie	United States	Record low maximum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Wurarga	Australia	Record daily precipitation	27.4 mm (1.1 in)	35 of 100 (Notable)
Wingen (Murrulla)	Australia	Record daily precipitation	32.3 mm (1.3 in)	35 of 100 (Notable)
Coolah (Binnia St)	Australia	Record daily precipitation	26.2 mm (1.0 in)	35 of 100 (Notable)
Newport	United States	Record low maximum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Smithville	United States	Record low maximum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Muswellbrook (Lower Hill St)	Australia	Record daily precipitation	28.4 mm (1.1 in)	34 of 100 (Routine)
Columbus	United States	Record daily precipitation	63.0 mm (2.5 in)	34 of 100 (Routine)
Dairy Creek	Australia	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Willow Tree (Warrah)	Australia	Record daily precipitation	29.5 mm (1.2 in)	33 of 100 (Routine)
Boggabri (Kanownda)	Australia	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Bunnan (Milhaven)	Australia	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Campos Sales	Brazil	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Atchison	United States	Record low minimum temperature	1.7 C (35.1 F)	33 of 100 (Routine)
Franklin 3 NW	United States	Record daily precipitation	60.7 mm (2.4 in)	33 of 100 (Routine)
Pioche	United States	Record high maximum temperature	30.6 C (87.1 F)	33 of 100 (Routine)
Ardmore	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Healdton 3 E	United States	Record low maximum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Texarkana Webb Fld	United States	Record low maximum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Turkey Hill North	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Cuetzalan del Progreso	Mexico	Record daily precipitation	110.0 mm (4.3 in)	32 of 100 (Routine)
Leavenworth	United States	Record low minimum temperature	1.7 C (35.1 F)	32 of 100 (Routine)
Gladwin	United States	Record low maximum temperature	6.7 C (44.1 F)	32 of 100 (Routine)
Bunnawarra	Australia	Record daily precipitation	27.4 mm (1.1 in)	31 of 100 (Routine)
Sunnyside Farm	Australia	Record daily precipitation	31.2 mm (1.2 in)	31 of 100 (Routine)
Pine Ridge (Windy)	Australia	Record daily precipitation	33.5 mm (1.3 in)	31 of 100 (Routine)
Santa Quiteria	Brazil	Record daily precipitation	32.5 mm (1.3 in)	31 of 100 (Routine)
Currais Novos	Brazil	Record daily precipitation	52.4 mm (2.1 in)	31 of 100 (Routine)
Ozark	United States	Record low maximum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Lexington 3E	United States	Record low minimum temperature	4.4 C (39.9 F)	31 of 100 (Routine)
Antlers	United States	Record low maximum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Corsicana	United States	Record low minimum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Fischers Store	United States	Record daily precipitation	49.3 mm (1.9 in)	31 of 100 (Routine)
Goliad	United States	Record daily precipitation	59.2 mm (2.3 in)	31 of 100 (Routine)
Temple	United States	Record low maximum temperature	21.1 C (70.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

1,022 records

Records set or tied on 21 May 1967 by type: Highest daily maximum 135, Lowest daily maximum 214, Highest daily minimum 66, Lowest daily minimum 190, Heaviest daily rainfall 400, Heaviest daily snowfall 11, Deepest snow cover 6.

Records on 21 May 1967 by type
Record type	Records
Highest daily maximum	135
Lowest daily maximum	214
Highest daily minimum	66
Lowest daily minimum	190
Heaviest daily rainfall	400
Heaviest daily snowfall	11
Deepest snow cover	6

Records on 21 May 1967 by timescale: all-time 0, monthly 12, daily 1,010.

How Much Records Were Beaten By

845 broken records

Margins by which the 845 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1016.0. Ties are not counted.

Top 20 by Significance

21 May 1967

Top 20 records on 21 May 1967 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 May 1967	Waikapu 390, US	monthly rain	100.3 mm (3.9 in)	55.8 mm (2.2 in)	43 years	67 of 100 (Major)
21 May 1967	Kickerbell, AU	daily rain	45.2 mm (1.8 in)	30.0 mm (1.2 in)	48 years	50 of 100 (Notable)
21 May 1967	Huntington Lake, US	daily snow depth	116.8 cm (46.0 in)	101.6 cm (40.0 in)	49 years	50 of 100 (Notable)
21 May 1967	Acude Bonito, BR	daily rain	49.2 mm (1.9 in)	36.2 mm (1.4 in)	53 years	49 of 100 (Notable)
21 May 1967	Warrumbungle Post Office, AU	daily rain	43.7 mm (1.7 in)	31.0 mm (1.2 in)	48 years	48 of 100 (Notable)
21 May 1967	Hankey (Pol), ZA	daily rain	25.0 mm (1.0 in)	22.0 mm (0.9 in)	73 years	44 of 100 (Notable)
21 May 1967	Merriwa (Cranbourne), AU	daily rain	26.4 mm (1.0 in)	15.0 mm (0.6 in)	64 years	42 of 100 (Notable)
21 May 1967	Mardie, AU	daily rain	95.8 mm (3.8 in)	36.1 mm (1.4 in)	56 years	41 of 100 (Notable)
21 May 1967	Merriwa (Gummun Place), AU	daily rain	25.9 mm (1.0 in)	12.4 mm (0.5 in)	76 years	41 of 100 (Notable)
21 May 1967	Onslow, AU	daily rain	67.6 mm (2.7 in)	40.7 mm (1.6 in)	33 years	40 of 100 (Notable)
21 May 1967	Gunnedah Pool, AU	daily rain	32.8 mm (1.3 in)	13.2 mm (0.5 in)	64 years	40 of 100 (Notable)
21 May 1967	Boggabri (Penryn), AU	daily rain	33.5 mm (1.3 in)	20.8 mm (0.8 in)	45 years	40 of 100 (Notable)
21 May 1967	Farmerville, US	daily rain	75.2 mm (3.0 in)	51.1 mm (2.0 in)	20 years	40 of 100 (Notable)
21 May 1967	Lordsburg 4 SE, US	daily low min	-1.1 C (30.0 F)	6.7 C (12.1 F)	58 years	40 of 100 (Notable)
21 May 1967	Alcozauca (Smn), MX	daily rain	35.8 mm (1.4 in)	28.2 mm (1.1 in)	29 years	39 of 100 (Notable)
21 May 1967	Longview, US	daily rain	72.1 mm (2.8 in)	52.5 mm (2.1 in)	20 years	39 of 100 (Notable)
21 May 1967	Murrurundi Post Office, AU	daily rain	32.0 mm (1.3 in)	15.5 mm (0.6 in)	52 years	38 of 100 (Notable)
21 May 1967	Merriwa (Merry Vale), AU	daily rain	31.0 mm (1.2 in)	17.5 mm (0.7 in)	52 years	38 of 100 (Notable)
21 May 1967	Florence, US	daily rain	66.0 mm (2.6 in)	38.3 mm (1.5 in)	12 years	38 of 100 (Notable)
21 May 1967	Marshall, US	daily rain	71.9 mm (2.8 in)	36.3 mm (1.4 in)	33 years	38 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 1967

Records set or tied on this calendar date in each year from 1793 to 1967. 1967 had 1,022 records.

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

Records on 05-21 in each year
Year	Records
1793	1
1795	1
1811	1
1837	2
1842	1
1847	2
1854	1
1857	1
1858	1
1865	1
1866	1
1870	2
1875	1
1876	1
1880	2
1882	1
1885	1
1886	2
1887	3
1889	5
1890	3
1891	6
1892	1
1893	1
1894	4
1895	4
1896	5
1897	2
1898	1
1899	5
1900	1
1901	3
1902	4
1903	26
1904	8
1905	7
1906	12
1907	36
1908	13
1909	13
1910	14
1911	87
1912	24
1913	13
1914	26
1915	24
1916	13
1917	76
1918	51
1919	170
1920	39
1921	158
1922	39
1923	125
1924	148
1925	250
1926	221
1927	207
1928	173
1929	247
1930	133
1931	488
1932	343
1933	290
1934	590
1935	190
1936	328
1937	227
1938	348
1939	355
1940	456
1941	525
1942	482
1943	463
1944	310
1945	515
1946	324
1947	485
1948	312
1949	593
1950	403
1951	271
1952	385
1953	501
1954	961
1955	507
1956	409
1957	709
1958	511
1959	684
1960	615
1961	306
1962	553
1963	598
1964	788
1965	238
1966	296
1967	1,022
1968	549
1969	832
1970	449
1971	536
1972	557
1973	493
1974	847
1975	1,160
1976	393
1977	756
1978	575
1979	787
1980	857
1981	1,550
1982	599
1983	1,106
1984	950
1985	610
1986	908
1987	1,242
1988	819
1989	671
1990	947
1991	1,065
1992	1,143
1993	1,197
1994	656
1995	749
1996	1,461
1997	953
1998	1,200
1999	544
2000	897
2001	1,187
2002	2,048
2003	807
2004	898
2005	1,020
2006	810
2007	894
2008	740
2009	1,315
2010	962
2011	959
2012	848
2013	884
2014	522
2015	956
2016	567
2017	780
2018	525
2019	1,668
2020	707
2021	1,131
2022	1,512
2023	794
2024	751
2025	776
2026	356

Download the Data

Data for records on 1967-05-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 200	840
200 to 400	3
400 to 600	0
600 to 800	1
800 to 1000	0
1000 to 1200	1