Weather Records on 23 May 1968

578 weather records were set or tied worldwide on 23 May 1968. Highest significance: Greencastle 1 W, US.

Key Facts for 23 May 1968

On 23 May 1968, 578 weather records were set or tied at long-record stations worldwide.
86 were record highs and 239 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 570 daily.
Greencastle 1 W set a daily record precipitation of 80.0 mm (3.1 in) on 23 May 1968.
Across 158 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

578 stations

578 station records on 23 May 1968 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 May 1968: highest significance records shown on the map
Station	Country	Type	Value	Significance
Greencastle 1 W	United States	Record daily precipitation	80.0 mm (3.1 in)	66 of 100 (Major)
Decatur Wtp	United States	Record daily precipitation	81.5 mm (3.2 in)	62 of 100 (Major)
Carrollton	United States	Record daily precipitation	66.3 mm (2.6 in)	59 of 100 (Notable)
Rushville	United States	Record daily precipitation	64.3 mm (2.5 in)	57 of 100 (Notable)
Paris Stp	United States	Record daily precipitation	86.4 mm (3.4 in)	56 of 100 (Notable)
Mattoon	United States	Record daily precipitation	48.3 mm (1.9 in)	53 of 100 (Notable)
Quincy	United States	Record daily precipitation	53.6 mm (2.1 in)	53 of 100 (Notable)
Tuscola	United States	Record daily precipitation	77.7 mm (3.1 in)	51 of 100 (Notable)
Quincy Mem Brg	United States	Record daily precipitation	57.4 mm (2.3 in)	50 of 100 (Notable)
Shelbyville Sewage Plt	United States	Record daily precipitation	67.3 mm (2.6 in)	49 of 100 (Notable)
Ft Washakie 1 SE	United States	Record daily precipitation	40.9 mm (1.6 in)	49 of 100 (Notable)
Coalville	United States	Record daily precipitation	25.7 mm (1.0 in)	49 of 100 (Notable)
Spanish Fk Pwr House	United States	Record daily precipitation	25.7 mm (1.0 in)	47 of 100 (Notable)
Bladgrond	South Africa	Record daily precipitation	25.8 mm (1.0 in)	46 of 100 (Notable)
Silver Lake Brighton	United States	Record daily snowfall	30.5 cm (12.0 in)	45 of 100 (Notable)
Snake Creek Powerhouse	United States	Record daily precipitation	25.7 mm (1.0 in)	45 of 100 (Notable)
Xenia 6 SSE	United States	Record daily precipitation	53.1 mm (2.1 in)	44 of 100 (Notable)
Waverly	United States	Record daily precipitation	42.7 mm (1.7 in)	43 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	51.6 mm (2.0 in)	42 of 100 (Notable)
Cheyenne	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Quincy Dam 21	United States	Record daily precipitation	48.8 mm (1.9 in)	41 of 100 (Notable)
Ramban	India	Record daily precipitation	42.0 mm (1.7 in)	40 of 100 (Notable)
Beardstown	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Bonner Springs	United States	Record daily precipitation	74.2 mm (2.9 in)	40 of 100 (Notable)
A Coruna	Spain	Record daily precipitation	26.7 mm (1.1 in)	39 of 100 (Notable)
Brunswick	United States	Record daily precipitation	70.6 mm (2.8 in)	39 of 100 (Notable)
Greenfield	United States	Record daily precipitation	50.3 mm (2.0 in)	38 of 100 (Notable)
Greenville Wtp	United States	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Alpine	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Newton 6 SSE	United States	Record daily precipitation	58.9 mm (2.3 in)	37 of 100 (Notable)
Ottawa	United States	Record daily precipitation	55.9 mm (2.2 in)	37 of 100 (Notable)
Heber	United States	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Fairmont	United States	Record daily precipitation	34.0 mm (1.3 in)	37 of 100 (Notable)
Casper 2 E	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Aksa	Russia	Record daily precipitation	36.4 mm (1.4 in)	36 of 100 (Notable)
Greensburg	United States	Record daily precipitation	59.2 mm (2.3 in)	36 of 100 (Notable)
Cottonwood Weir	United States	Record daily precipitation	66.3 mm (2.6 in)	36 of 100 (Notable)
Parkersburg	United States	Record daily precipitation	36.1 mm (1.4 in)	35 of 100 (Notable)
Sheringa (Lake Hamilton)	Australia	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
South Forest (Plummers Road)	Australia	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Overbrook 5 SE	United States	Record daily precipitation	51.6 mm (2.0 in)	34 of 100 (Routine)
Athens 5 NW	United States	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Mtn Dell Dam	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record low maximum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Ust-Maja	Russia	Record high minimum temperature	12.4 C (54.3 F)	33 of 100 (Routine)
Carlinville	United States	Record daily precipitation	44.7 mm (1.8 in)	33 of 100 (Routine)
Cincinnati Abbe Wsmo	United States	Record daily precipitation	68.1 mm (2.7 in)	33 of 100 (Routine)
Rockville	United States	Record daily precipitation	66.3 mm (2.6 in)	32 of 100 (Routine)
Kansas City UNIV of Mo	United States	Record daily precipitation	61.0 mm (2.4 in)	32 of 100 (Routine)
Madrid	United States	Record low maximum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Irara	Brazil	Record daily precipitation	43.1 mm (1.7 in)	31 of 100 (Routine)
Umea	Sweden	Record low minimum temperature	-3.9 C (25.0 F)	31 of 100 (Routine)
Dahlonega 4WSW	United States	Record low minimum temperature	6.1 C (43.0 F)	31 of 100 (Routine)
Richmond Wtr Wks	United States	Record daily precipitation	79.5 mm (3.1 in)	31 of 100 (Routine)
Beloit	United States	Record low maximum temperature	13.9 C (57.0 F)	31 of 100 (Routine)
Neosho Rapids	United States	Record daily precipitation	70.1 mm (2.8 in)	31 of 100 (Routine)
Olathe 3E	United States	Record low maximum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
Alliance 1WNW	United States	Record low maximum temperature	9.4 C (48.9 F)	31 of 100 (Routine)
Oakdale	United States	Record low maximum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
W Manchester 3 WSW	United States	Record daily precipitation	39.1 mm (1.5 in)	31 of 100 (Routine)

Counts by Type and Timescale

578 records

Records set or tied on 23 May 1968 by type: Highest daily maximum 38, Lowest daily maximum 166, Highest daily minimum 48, Lowest daily minimum 73, Heaviest daily rainfall 245, Heaviest daily snowfall 5, Deepest snow cover 3.

Records on 23 May 1968 by type
Record type	Records
Highest daily maximum	38
Lowest daily maximum	166
Highest daily minimum	48
Lowest daily minimum	73
Heaviest daily rainfall	245
Heaviest daily snowfall	5
Deepest snow cover	3

Records on 23 May 1968 by timescale: all-time 0, monthly 8, daily 570.

How Much Records Were Beaten By

502 broken records

Margins by which the 502 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

23 May 1968

Top 20 records on 23 May 1968 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 May 1968	Greencastle 1 W, US	daily rain	80.0 mm (3.1 in)	57.1 mm (2.2 in)	66 years	66 of 100 (Major)
23 May 1968	Decatur Wtp, US	daily rain	81.5 mm (3.2 in)	42.6 mm (1.7 in)	58 years	62 of 100 (Major)
23 May 1968	Carrollton, US	daily rain	66.3 mm (2.6 in)	42.4 mm (1.7 in)	65 years	59 of 100 (Notable)
23 May 1968	Rushville, US	daily rain	64.3 mm (2.5 in)	34.3 mm (1.4 in)	66 years	57 of 100 (Notable)
23 May 1968	Paris Stp, US	daily rain	86.4 mm (3.4 in)	54.6 mm (2.1 in)	30 years	56 of 100 (Notable)
23 May 1968	Mattoon, US	daily rain	48.3 mm (1.9 in)	29.2 mm (1.1 in)	74 years	53 of 100 (Notable)
23 May 1968	Quincy, US	daily rain	53.6 mm (2.1 in)	35.8 mm (1.4 in)	58 years	53 of 100 (Notable)
23 May 1968	Tuscola, US	daily rain	77.7 mm (3.1 in)	40.6 mm (1.6 in)	30 years	51 of 100 (Notable)
23 May 1968	Quincy Mem Brg, US	daily rain	57.4 mm (2.3 in)	42.4 mm (1.7 in)	30 years	50 of 100 (Notable)
23 May 1968	Shelbyville Sewage Plt, US	daily rain	67.3 mm (2.6 in)	24.6 mm (1.0 in)	66 years	49 of 100 (Notable)
23 May 1968	Ft Washakie 1 SE, US	daily rain	40.9 mm (1.6 in)	35.8 mm (1.4 in)	33 years	49 of 100 (Notable)
23 May 1968	Coalville, US	daily rain	25.7 mm (1.0 in)	18.3 mm (0.7 in)	22 years	49 of 100 (Notable)
23 May 1968	Spanish Fk Pwr House, US	daily rain	25.7 mm (1.0 in)	17.8 mm (0.7 in)	51 years	47 of 100 (Notable)
23 May 1968	Bladgrond, ZA	daily rain	25.8 mm (1.0 in)	22.3 mm (0.9 in)	11 years	46 of 100 (Notable)
23 May 1968	Silver Lake Brighton, US	daily snowfall	30.5 cm (12.0 in)	25.4 cm (10.0 in)	15 years	45 of 100 (Notable)
23 May 1968	Snake Creek Powerhouse, US	daily rain	25.7 mm (1.0 in)	13.5 mm (0.5 in)	49 years	45 of 100 (Notable)
23 May 1968	Xenia 6 SSE, US	daily rain	53.1 mm (2.1 in)	34.8 mm (1.4 in)	17 years	44 of 100 (Notable)
23 May 1968	Waverly, US	daily rain	42.7 mm (1.7 in)	17.3 mm (0.7 in)	66 years	43 of 100 (Notable)
23 May 1968	Mt Pulaski, US	daily rain	51.6 mm (2.0 in)	32.5 mm (1.3 in)	13 years	42 of 100 (Notable)
23 May 1968	Cheyenne, US	daily rain	38.1 mm (1.5 in)	20.3 mm (0.8 in)	22 years	42 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 1968

Records set or tied on this calendar date in each year from 1793 to 1968. 1968 had 578 records.

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

Records on 05-23 in each year
Year	Records
1793	1
1794	1
1798	1
1817	1
1818	1
1837	3
1845	1
1847	2
1857	1
1863	1
1865	2
1866	5
1867	7
1870	2
1871	1
1875	1
1877	1
1878	1
1880	1
1884	2
1885	2
1886	4
1887	1
1889	2
1891	11
1893	3
1894	1
1895	3
1896	4
1897	3
1898	8
1899	3
1900	12
1901	3
1902	12
1903	6
1904	14
1905	10
1906	23
1907	11
1908	13
1909	23
1910	26
1911	39
1912	31
1913	29
1914	33
1915	13
1916	44
1917	58
1918	36
1919	120
1920	37
1921	92
1922	82
1923	99
1924	230
1925	325
1926	204
1927	243
1928	177
1929	221
1930	199
1931	719
1932	358
1933	443
1934	203
1935	369
1936	568
1937	156
1938	390
1939	415
1940	324
1941	676
1942	235
1943	342
1944	784
1945	241
1946	311
1947	285
1948	273
1949	612
1950	490
1951	400
1952	597
1953	777
1954	496
1955	650
1956	498
1957	653
1958	744
1959	486
1960	395
1961	412
1962	677
1963	1,153
1964	964
1965	477
1966	391
1967	1,055
1968	578
1969	437
1970	314
1971	659
1972	449
1973	371
1974	678
1975	855
1976	556
1977	596
1978	703
1979	730
1980	1,202
1981	862
1982	717
1983	1,123
1984	1,027
1985	608
1986	626
1987	745
1988	662
1989	1,106
1990	1,660
1991	1,244
1992	1,423
1993	845
1994	690
1995	1,106
1996	1,114
1997	983
1998	947
1999	705
2000	1,372
2001	1,441
2002	1,537
2003	954
2004	1,275
2005	908
2006	1,122
2007	1,170
2008	1,472
2009	805
2010	1,275
2011	1,001
2012	1,006
2013	929
2014	858
2015	667
2016	679
2017	602
2018	552
2019	1,044
2020	631
2021	837
2022	807
2023	316
2024	760
2025	865
2026	804

Download the Data

Data for records on 1968-05-23: 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	496
50 to 100	2
100 to 150	3
150 to 200	0
200 to 250	0
250 to 300	1