Weather Records on 18 May 1926

133 weather records were set or tied worldwide on 18 May 1926. Highest significance: Astrakan, RU.

Key Facts for 18 May 1926

On 18 May 1926, 133 weather records were set or tied at long-record stations worldwide.
41 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 132 daily.
Astrakan set a daily record precipitation of 26.8 mm (1.1 in) on 18 May 1926.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 444 records.

Record Map

133 stations

133 station records on 18 May 1926 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 1926: highest significance records shown on the map
Station	Country	Type	Value	Significance
Astrakan	Russia	Record daily precipitation	26.8 mm (1.1 in)	56 of 100 (Notable)
Jefferson City Wtp	United States	Record daily precipitation	63.5 mm (2.5 in)	36 of 100 (Notable)
Wingham (Lanark Close)	Australia	Record daily precipitation	61.0 mm (2.4 in)	31 of 100 (Routine)
Ulmarra (Newsagency)	Australia	Record daily precipitation	40.6 mm (1.6 in)	25 of 100 (Routine)
Lawrence Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	24 of 100 (Routine)
Indianola 1SW	United States	Record daily precipitation	29.0 mm (1.1 in)	24 of 100 (Routine)
Newport	United States	Record high minimum temperature	13.3 C (55.9 F)	24 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record low minimum temperature	11.0 C (51.8 F)	23 of 100 (Routine)
Mardie	Australia	Record daily precipitation	41.7 mm (1.6 in)	22 of 100 (Routine)
Katoomba (Murri St)	Australia	Record daily precipitation	49.5 mm (1.9 in)	22 of 100 (Routine)
Biskra	Algeria	Record low maximum temperature	23.0 C (73.4 F)	21 of 100 (Routine)
Ekaterinburg	Russia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Atyrau	Kazakhstan	Record daily precipitation	4.3 mm (0.17 in)	20 of 100 (Routine)
Lismore (Centre Street)	Australia	Record daily precipitation	47.0 mm (1.9 in)	19 of 100 (Routine)
Taree (Radio Station 2Re)	Australia	Record daily precipitation	27.4 mm (1.1 in)	19 of 100 (Routine)
Aberdare	Australia	Record daily precipitation	38.1 mm (1.5 in)	18 of 100 (Routine)
Lawson (Wilson Street)	Australia	Record daily precipitation	35.1 mm (1.4 in)	18 of 100 (Routine)
Aberdeen	United States	Record high minimum temperature	12.8 C (55.0 F)	18 of 100 (Routine)
Fortescue	Australia	Record daily precipitation	45.7 mm (1.8 in)	17 of 100 (Routine)
Hornsby Junction (Thornleigh)	Australia	Record daily precipitation	18.0 mm (0.7 in)	17 of 100 (Routine)
Nevada City	United States	Record high minimum temperature	11.1 C (52.0 F)	17 of 100 (Routine)
Robe Comparison	Australia	Record low minimum temperature	4.6 C (40.3 F)	16 of 100 (Routine)
Ebor (Kotupna)	Australia	Record daily precipitation	38.6 mm (1.5 in)	16 of 100 (Routine)
Koolool	Australia	Record daily precipitation	40.4 mm (1.6 in)	16 of 100 (Routine)
Quatsino	Canada	Record high minimum temperature	10.6 C (51.1 F)	16 of 100 (Routine)
St Georges	Canada	Record low maximum temperature	4.4 C (39.9 F)	16 of 100 (Routine)
Kirensk	Russia	Record high minimum temperature	6.8 C (44.2 F)	16 of 100 (Routine)
Astoria	United States	Record high minimum temperature	12.8 C (55.0 F)	16 of 100 (Routine)
Olga 2 SE	United States	Record high minimum temperature	12.8 C (55.0 F)	16 of 100 (Routine)
Constantine	Algeria	Record low maximum temperature	14.0 C (57.2 F)	15 of 100 (Routine)
Tabulam Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	15 of 100 (Routine)
Singleton Post Office	Australia	Record daily precipitation	7.1 mm (0.28 in)	15 of 100 (Routine)
Mount Victoria (Mt Victoria (S	Australia	Record daily precipitation	21.6 mm (0.9 in)	15 of 100 (Routine)
Cataract River	Australia	Record daily precipitation	21.8 mm (0.9 in)	15 of 100 (Routine)
Uccle	Belgium	Record low minimum temperature	1.6 C (34.9 F)	15 of 100 (Routine)
Perm	Russia	Record daily precipitation	12.5 mm (0.5 in)	15 of 100 (Routine)
Estherville 4E	United States	Record daily precipitation	17.8 mm (0.7 in)	15 of 100 (Routine)
Emporia 1 S	United States	Record daily precipitation	45.7 mm (1.8 in)	15 of 100 (Routine)
Cape Moreton Lighthouse	Australia	Record daily precipitation	27.9 mm (1.1 in)	14 of 100 (Routine)
Macksville Country Club	Australia	Record daily precipitation	32.8 mm (1.3 in)	14 of 100 (Routine)
Wauchope (Avondale Street)	Australia	Record daily precipitation	17.8 mm (0.7 in)	14 of 100 (Routine)
Branxton (Dalwood Vineyard)	Australia	Record daily precipitation	6.6 mm (0.26 in)	14 of 100 (Routine)
Pelee Island	Canada	Record daily precipitation	21.6 mm (0.9 in)	14 of 100 (Routine)
Mauzy	United States	Record daily precipitation	10.7 mm (0.4 in)	14 of 100 (Routine)
Beatrice	United States	Record low maximum temperature	14.4 C (57.9 F)	14 of 100 (Routine)
Columbia Wb City	United States	Record daily precipitation	22.9 mm (0.9 in)	14 of 100 (Routine)
Orleansville (Chlef)	Algeria	Record low maximum temperature	19.0 C (66.2 F)	13 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low minimum temperature	9.0 C (48.2 F)	13 of 100 (Routine)
Condon	Australia	Record daily precipitation	0.3 mm (0.01 in)	13 of 100 (Routine)
Lithgow (Birdwood St)	Australia	Record daily precipitation	9.4 mm (0.37 in)	13 of 100 (Routine)
Tallahassee	United States	Record low minimum temperature	13.3 C (55.9 F)	13 of 100 (Routine)
Jacksonville 2E	United States	Record daily precipitation	25.4 mm (1.0 in)	13 of 100 (Routine)
Alma	United States	Record daily precipitation	15.2 mm (0.6 in)	13 of 100 (Routine)
Millport 4 NE	United States	Record daily precipitation	19.3 mm (0.8 in)	13 of 100 (Routine)
Armour	United States	Record high minimum temperature	17.2 C (63.0 F)	13 of 100 (Routine)
Colfax	United States	Record high minimum temperature	12.2 C (54.0 F)	13 of 100 (Routine)
Seattle Urban Site	United States	Record high maximum temperature	22.8 C (73.0 F)	13 of 100 (Routine)
Seattle Urban Site	United States	Record high minimum temperature	13.9 C (57.0 F)	13 of 100 (Routine)
Perth Regional Office	Australia	Record daily precipitation	47.2 mm (1.9 in)	12 of 100 (Routine)
Potts Hill Reservoir	Australia	Record daily precipitation	11.4 mm (0.4 in)	12 of 100 (Routine)

Counts by Type and Timescale

133 records

Records set or tied on 18 May 1926 by type: Highest daily maximum 10, Lowest daily maximum 10, Highest daily minimum 31, Lowest daily minimum 13, Heaviest daily rainfall 68, Deepest snow cover 1.

Records on 18 May 1926 by type
Record type	Records
Highest daily maximum	10
Lowest daily maximum	10
Highest daily minimum	31
Lowest daily minimum	13
Heaviest daily rainfall	68
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 18 May 1926 by timescale: all-time 0, monthly 1, daily 132.

How Much Records Were Beaten By

108 broken records

Margins by which the 108 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.0. Ties are not counted.

Top 20 by Significance

18 May 1926

Top 20 records on 18 May 1926 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1926	Astrakan, RU	daily rain	26.8 mm (1.1 in)	24.5 mm (1.0 in)	41 years	56 of 100 (Notable)
18 May 1926	Jefferson City Wtp, US	daily rain	63.5 mm (2.5 in)	44.4 mm (1.7 in)	3 years	36 of 100 (Notable)
18 May 1926	Wingham (Lanark Close), AU	daily rain	61.0 mm (2.4 in)	42.7 mm (1.7 in)	25 years	31 of 100 (Routine)
18 May 1926	Ulmarra (Newsagency), AU	daily rain	40.6 mm (1.6 in)	27.9 mm (1.1 in)	33 years	25 of 100 (Routine)
18 May 1926	Lawrence Post Office, AU	daily rain	53.3 mm (2.1 in)	34.0 mm (1.3 in)	25 years	24 of 100 (Routine)
18 May 1926	Indianola 1SW, US	daily rain	29.0 mm (1.1 in)	16.3 mm (0.6 in)	25 years	24 of 100 (Routine)
18 May 1926	Newport, US	daily high min	13.3 C (55.9 F)	3.3 C (5.9 F)	28 years	24 of 100 (Routine)
18 May 1926	Algiers-Ville/Universite, DZ	daily low min	11.0 C (51.8 F)	1.8 C (3.2 F)	34 years	23 of 100 (Routine)
18 May 1926	Mardie, AU	daily rain	41.7 mm (1.6 in)	34.1 mm (1.3 in)	0 years	22 of 100 (Routine)
18 May 1926	Katoomba (Murri St), AU	daily rain	49.5 mm (1.9 in)	26.6 mm (1.0 in)	12 years	22 of 100 (Routine)
18 May 1926	Biskra, DZ	daily low max	23.0 C (73.4 F)	2.8 C (5.0 F)	34 years	21 of 100 (Routine)
18 May 1926	Ekaterinburg, RU	daily rain	22.4 mm (0.9 in)	10.4 mm (0.4 in)	37 years	20 of 100 (Routine)
18 May 1926	Atyrau, KZ	daily rain	4.3 mm (0.17 in)	3.4 mm (0.13 in)	41 years	20 of 100 (Routine)
18 May 1926	Lismore (Centre Street), AU	daily rain	47.0 mm (1.9 in)	32.5 mm (1.3 in)	0 years	19 of 100 (Routine)
18 May 1926	Taree (Radio Station 2Re), AU	daily rain	27.4 mm (1.1 in)	17.0 mm (0.7 in)	25 years	19 of 100 (Routine)
18 May 1926	Aberdare, AU	daily rain	38.1 mm (1.5 in)	25.4 mm (1.0 in)	19 years	18 of 100 (Routine)
18 May 1926	Lawson (Wilson Street), AU	daily rain	35.1 mm (1.4 in)	25.7 mm (1.0 in)	0 years	18 of 100 (Routine)
18 May 1926	Aberdeen, US	daily high min	12.8 C (55.0 F)	1.7 C (3.1 F)	31 years	18 of 100 (Routine)
18 May 1926	Fortescue, AU	daily rain	45.7 mm (1.8 in)	31.5 mm (1.2 in)	0 years	17 of 100 (Routine)
18 May 1926	Hornsby Junction (Thornleigh), AU	daily rain	18.0 mm (0.7 in)	9.1 mm (0.36 in)	35 years	17 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 1926

Records set or tied on this calendar date in each year from 1796 to 1926. 1926 had 133 records.

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

Records on 05-18 in each year
Year	Records
1796	1
1798	1
1802	2
1832	1
1833	1
1845	1
1847	1
1848	1
1855	1
1859	1
1861	2
1863	3
1864	1
1866	2
1868	2
1869	1
1870	1
1871	2
1872	1
1874	2
1877	4
1878	1
1879	1
1881	1
1883	2
1884	2
1885	1
1887	1
1888	4
1889	2
1891	1
1893	2
1894	4
1895	5
1896	2
1897	2
1898	1
1899	1
1900	13
1901	6
1902	9
1903	7
1904	11
1905	2
1906	24
1907	18
1908	5
1909	12
1910	50
1911	64
1912	5
1913	11
1914	45
1915	55
1916	74
1917	30
1918	42
1919	30
1920	26
1921	41
1922	33
1923	61
1924	92
1925	220
1926	133
1927	180
1928	160
1929	193
1930	475
1931	191
1932	460
1933	380
1934	390
1935	400
1936	282
1937	348
1938	382
1939	169
1940	315
1941	334
1942	421
1943	744
1944	496
1945	706
1946	651
1947	231
1948	426
1949	597
1950	473
1951	279
1952	493
1953	393
1954	498
1955	848
1956	795
1957	595
1958	334
1959	435
1960	404
1961	187
1962	1,199
1963	477
1964	329
1965	345
1966	438
1967	410
1968	817
1969	865
1970	703
1971	666
1972	499
1973	1,233
1974	1,097
1975	383
1976	733
1977	1,126
1978	1,090
1979	399
1980	614
1981	1,218
1982	452
1983	1,093
1984	717
1985	498
1986	1,131
1987	823
1988	1,154
1989	721
1990	753
1991	1,218
1992	921
1993	707
1994	1,015
1995	1,849
1996	1,767
1997	1,115
1998	1,060
1999	584
2000	922
2001	898
2002	1,833
2003	1,270
2004	847
2005	630
2006	1,493
2007	1,133
2008	999
2009	1,368
2010	894
2011	1,406
2012	523
2013	816
2014	609
2015	785
2016	597
2017	1,855
2018	557
2019	810
2020	706
2021	418
2022	711
2023	554
2024	551
2025	619
2026	1,131

Download the Data

Data for records on 1926-05-18: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	88
10 to 20	7
20 to 30	6
30 to 40	4
40 to 50	2
50 to 60	1