Weather Records on 23 May 1930

199 weather records were set or tied worldwide on 23 May 1930. Highest significance: Lancaster 4 WSW, US.

Key Facts for 23 May 1930

On 23 May 1930, 199 weather records were set or tied at long-record stations worldwide.
82 were record highs and 80 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 197 daily.
Lancaster 4 WSW set a daily record precipitation of 63.8 mm (2.5 in) on 23 May 1930.
Across 158 earlier years (1793 to 2026) the same calendar date averaged 464 records.

Record Map

199 stations

199 station records on 23 May 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 May 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lancaster 4 WSW	United States	Record daily precipitation	63.8 mm (2.5 in)	38 of 100 (Notable)
Le Bourget	France	Record daily precipitation	26.7 mm (1.1 in)	35 of 100 (Notable)
Pesaro	Italy	Record daily precipitation	32.0 mm (1.3 in)	31 of 100 (Routine)
Cedar Rapids #1	United States	Record daily precipitation	78.7 mm (3.1 in)	27 of 100 (Routine)
Ft Wayne City	United States	Record daily precipitation	31.8 mm (1.3 in)	26 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	30.6 C (87.1 F)	24 of 100 (Routine)
Waupaca	United States	Record daily precipitation	56.9 mm (2.2 in)	24 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Santa Maria	United States	Record high maximum temperature	31.7 C (89.1 F)	23 of 100 (Routine)
Turners Falls	United States	Record high maximum temperature	33.9 C (93.0 F)	23 of 100 (Routine)
Mena	United States	Record daily precipitation	38.4 mm (1.5 in)	22 of 100 (Routine)
Ovando	United States	Record low minimum temperature	-7.2 C (19.0 F)	22 of 100 (Routine)
Lewistown AP	United States	Record low minimum temperature	-8.3 C (17.1 F)	22 of 100 (Routine)
Buffalo	United States	Record high maximum temperature	28.3 C (82.9 F)	21 of 100 (Routine)
Vernal	United States	Record low maximum temperature	7.2 C (45.0 F)	21 of 100 (Routine)
Madison Wb City	United States	Record daily precipitation	37.8 mm (1.5 in)	21 of 100 (Routine)
Chatillon-Sur-Seine	France	Record daily precipitation	23.3 mm (0.9 in)	20 of 100 (Routine)
Enisejsk	Russia	Record daily precipitation	11.3 mm (0.4 in)	20 of 100 (Routine)
Katberg (Bos)	South Africa	Record daily precipitation	7.9 mm (0.31 in)	20 of 100 (Routine)
Cheboygan	United States	Record high maximum temperature	30.6 C (87.1 F)	20 of 100 (Routine)
Santa Fe	United States	Record low minimum temperature	-1.1 C (30.0 F)	20 of 100 (Routine)
Greenville Kgvl Radio	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Sigourney	United States	Record daily precipitation	33.3 mm (1.3 in)	19 of 100 (Routine)
Amherst	United States	Record high maximum temperature	32.2 C (90.0 F)	19 of 100 (Routine)
Wappingers Falls	United States	Record high maximum temperature	33.9 C (93.0 F)	19 of 100 (Routine)
Enosburg Falls	United States	Record high maximum temperature	33.3 C (91.9 F)	19 of 100 (Routine)
New London	United States	Record daily precipitation	37.1 mm (1.5 in)	19 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	30.0 C (86.0 F)	18 of 100 (Routine)
Boulder	United States	Record low minimum temperature	1.1 C (34.0 F)	18 of 100 (Routine)
Kimball 2NE	United States	Record low minimum temperature	-0.6 C (30.9 F)	18 of 100 (Routine)
Heber	United States	Record low minimum temperature	-5.0 C (23.0 F)	18 of 100 (Routine)
Escondido	United States	Record high maximum temperature	33.9 C (93.0 F)	17 of 100 (Routine)
Los Lunas	United States	Record low minimum temperature	1.1 C (34.0 F)	17 of 100 (Routine)
Dialville 2 W	United States	Record low maximum temperature	21.1 C (70.0 F)	17 of 100 (Routine)
Jokkmokk	Sweden	Record high maximum temperature	24.0 C (75.2 F)	16 of 100 (Routine)
Greeley	United States	Record low minimum temperature	-1.1 C (30.0 F)	16 of 100 (Routine)
Bridgeport	United States	Record high maximum temperature	33.9 C (93.0 F)	16 of 100 (Routine)
Marble Hill	United States	Record daily precipitation	43.2 mm (1.7 in)	16 of 100 (Routine)
Billings Wtp	United States	Record low minimum temperature	-2.2 C (28.0 F)	16 of 100 (Routine)
Burlington	United States	Record high maximum temperature	30.0 C (86.0 F)	16 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record low maximum temperature	6.1 C (43.0 F)	15 of 100 (Routine)
Pointe Au Pere	Canada	Record high maximum temperature	22.8 C (73.0 F)	15 of 100 (Routine)
Abitibi Post	Canada	Record high minimum temperature	15.6 C (60.1 F)	15 of 100 (Routine)
Santa Barbara	United States	Record high maximum temperature	32.2 C (90.0 F)	15 of 100 (Routine)
Delta	United States	Record low minimum temperature	-1.7 C (28.9 F)	15 of 100 (Routine)
Leroy 5 WSW	United States	Record low minimum temperature	-0.6 C (30.9 F)	15 of 100 (Routine)
Wray	United States	Record low minimum temperature	0.0 C (32.0 F)	15 of 100 (Routine)
New London	United States	Record high maximum temperature	32.2 C (90.0 F)	15 of 100 (Routine)
Albia 3 NNE	United States	Record daily precipitation	31.0 mm (1.2 in)	15 of 100 (Routine)
Ottumwa 1 WSW	United States	Record daily precipitation	25.1 mm (1.0 in)	15 of 100 (Routine)
Las Vegas 2 NW	United States	Record low minimum temperature	-2.8 C (27.0 F)	15 of 100 (Routine)
Gloversville	United States	Record high maximum temperature	33.3 C (91.9 F)	15 of 100 (Routine)
Richfield Radio Ksvc	United States	Record low minimum temperature	-2.8 C (27.0 F)	15 of 100 (Routine)
Chelsea	United States	Record high maximum temperature	29.4 C (84.9 F)	15 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	-2.2 C (28.0 F)	14 of 100 (Routine)
Ft Collins	United States	Record low minimum temperature	-1.7 C (28.9 F)	14 of 100 (Routine)
Fall River	United States	Record high maximum temperature	27.8 C (82.0 F)	14 of 100 (Routine)
Poplar 2 E	United States	Record low minimum temperature	-2.2 C (28.0 F)	14 of 100 (Routine)
Indian Lake 2SW	United States	Record high minimum temperature	16.7 C (62.1 F)	14 of 100 (Routine)
Lockport 2SE	United States	Record high maximum temperature	29.4 C (84.9 F)	14 of 100 (Routine)

Counts by Type and Timescale

199 records

Records set or tied on 23 May 1930 by type: Highest daily maximum 65, Lowest daily maximum 19, Highest daily minimum 17, Lowest daily minimum 61, Heaviest daily rainfall 37.

Records on 23 May 1930 by type
Record type	Records
Highest daily maximum	65
Lowest daily maximum	19
Highest daily minimum	17
Lowest daily minimum	61
Heaviest daily rainfall	37
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 May 1930 by timescale: all-time 0, monthly 2, daily 197.

How Much Records Were Beaten By

151 broken records

Margins by which the 151 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 40.9. Ties are not counted.

Top 20 by Significance

23 May 1930

Top 20 records on 23 May 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 May 1930	Lancaster 4 WSW, US	daily rain	63.8 mm (2.5 in)	40.9 mm (1.6 in)	8 years	38 of 100 (Notable)
23 May 1930	Le Bourget, FR	daily rain	26.7 mm (1.1 in)	18.2 mm (0.7 in)	16 years	35 of 100 (Notable)
23 May 1930	Pesaro, IT	daily rain	32.0 mm (1.3 in)	12.0 mm (0.5 in)	33 years	31 of 100 (Routine)
23 May 1930	Cedar Rapids #1, US	monthly rain	78.7 mm (3.1 in)	7.6 mm (0.30 in)	25 years	27 of 100 (Routine)
23 May 1930	Ft Wayne City, US	daily rain	31.8 mm (1.3 in)	16.6 mm (0.7 in)	23 years	26 of 100 (Routine)
23 May 1930	Ottawa, CA	daily high max	30.6 C (87.1 F)	1.2 C (2.2 F)	56 years	24 of 100 (Routine)
23 May 1930	Waupaca, US	daily rain	56.9 mm (2.2 in)	18.3 mm (0.7 in)	17 years	24 of 100 (Routine)
23 May 1930	Atlantic City Marina, US	daily high min	18.3 C (64.9 F)	1.6 C (2.9 F)	49 years	24 of 100 (Routine)
23 May 1930	Santa Maria, US	daily high max	31.7 C (89.1 F)	5.6 C (10.1 F)	17 years	23 of 100 (Routine)
23 May 1930	Turners Falls, US	daily high max	33.9 C (93.0 F)	4.5 C (8.1 F)	36 years	23 of 100 (Routine)
23 May 1930	Mena, US	daily rain	38.4 mm (1.5 in)	16.0 mm (0.6 in)	30 years	22 of 100 (Routine)
23 May 1930	Ovando, US	daily low min	-7.2 C (19.0 F)	4.4 C (7.9 F)	24 years	22 of 100 (Routine)
23 May 1930	Lewistown AP, US	daily low min	-8.3 C (17.1 F)	5.0 C (9.0 F)	20 years	22 of 100 (Routine)
23 May 1930	Buffalo, US	daily high max	28.3 C (82.9 F)	0.5 C (0.9 F)	54 years	21 of 100 (Routine)
23 May 1930	Vernal, US	daily low max	7.2 C (45.0 F)	6.7 C (12.1 F)	20 years	21 of 100 (Routine)
23 May 1930	Madison Wb City, US	daily rain	37.8 mm (1.5 in)	0.2 mm (0.01 in)	51 years	21 of 100 (Routine)
23 May 1930	Chatillon-Sur-Seine, FR	daily rain	23.3 mm (0.9 in)	12.3 mm (0.5 in)	37 years	20 of 100 (Routine)
23 May 1930	Enisejsk, RU	daily rain	11.3 mm (0.4 in)	4.5 mm (0.18 in)	20 years	20 of 100 (Routine)
23 May 1930	Katberg (Bos), ZA	daily rain	7.9 mm (0.31 in)	2.8 mm (0.11 in)	45 years	20 of 100 (Routine)
23 May 1930	Cheboygan, US	daily high max	30.6 C (87.1 F)	5.0 C (9.0 F)	28 years	20 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 1930

Records set or tied on this calendar date in each year from 1793 to 1930. 1930 had 199 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 1930-05-23: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	139
10 to 20	10
20 to 30	1
30 to 40	0
40 to 50	1