Weather Records on 23 August 2018

479 weather records were set or tied worldwide on 23 August 2018. Highest significance: Honokaa Town 215, US.

Key Facts for 23 August 2018

On 23 August 2018, 479 weather records were set or tied at long-record stations worldwide.
274 were record highs and 113 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 7 monthly and 468 daily.
Honokaa Town 215 set a monthly record daily precipitation of 348.0 mm (13.7 in) on 23 August 2018.
Across 164 earlier years (1802 to 2026) the same calendar date averaged 444 records.

Record Map

479 stations

479 station records on 23 August 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 August 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Honokaa Town 215	United States	Record daily precipitation	348.0 mm (13.7 in)	83 of 100 (Exceptional)
Paauilo 221	United States	Record daily precipitation	305.6 mm (12.0 in)	72 of 100 (Major)
Keaau 92	United States	Record daily precipitation	406.4 mm (16.0 in)	69 of 100 (Major)
Perryton	United States	Record daily precipitation	66.8 mm (2.6 in)	67 of 100 (Major)
Huade	China	Record daily precipitation	59.4 mm (2.3 in)	64 of 100 (Major)
Naalehu 14	United States	Record daily precipitation	77.7 mm (3.1 in)	59 of 100 (Notable)
Kapapala Rch 36	United States	Record daily precipitation	96.3 mm (3.8 in)	57 of 100 (Notable)
Lake Echo Power Station	Australia	Record daily precipitation	64.8 mm (2.6 in)	53 of 100 (Notable)
Ytre Solund	Norway	Record daily precipitation	48.6 mm (1.9 in)	52 of 100 (Notable)
Bosque del Apache	United States	Record daily precipitation	72.4 mm (2.9 in)	51 of 100 (Notable)
Bouake	Cote D'Ivoire	Record daily precipitation	94.0 mm (3.7 in)	50 of 100 (Notable)
Heden	Sweden	Record daily precipitation	41.5 mm (1.6 in)	50 of 100 (Notable)
Altamont	United States	Record daily precipitation	27.7 mm (1.1 in)	49 of 100 (Notable)
Weslaco	United States	Record high maximum temperature	40.6 C (105.1 F)	48 of 100 (Notable)
Hachita 1W	United States	Record daily precipitation	33.5 mm (1.3 in)	45 of 100 (Notable)
Grand Coteau	United States	Record high minimum temperature	28.3 C (82.9 F)	43 of 100 (Notable)
Anthony	United States	Record low maximum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Potsdam	Germany	Record high maximum temperature	34.8 C (94.6 F)	42 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high maximum temperature	34.7 C (94.5 F)	42 of 100 (Notable)
Niigata	Japan	Record high maximum temperature	39.9 C (103.8 F)	42 of 100 (Notable)
Pekoa Airport (Sant	Vanuatu	Record daily precipitation	119.9 mm (4.7 in)	42 of 100 (Notable)
Holdrege	United States	Record low maximum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Grums	Sweden	Record daily precipitation	32.1 mm (1.3 in)	40 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record high maximum temperature	36.0 C (96.8 F)	39 of 100 (Notable)
Chula Vista	United States	Record high minimum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Greifswald	Germany	Record high maximum temperature	31.9 C (89.4 F)	38 of 100 (Notable)
Atakpane	Togo	Record daily precipitation	77.0 mm (3.0 in)	38 of 100 (Notable)
Julesburg	United States	Record low maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Enid	United States	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Pahala Mauka 21.3	United States	Record daily precipitation	81.3 mm (3.2 in)	38 of 100 (Notable)
Penang Intl	Malaysia	Record daily precipitation	175.3 mm (6.9 in)	37 of 100 (Notable)
Svaneholm	Sweden	Record daily precipitation	31.3 mm (1.2 in)	37 of 100 (Notable)
Emporia ASOS	United States	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Milesovka	Czech Republic	Record high maximum temperature	33.2 C (91.8 F)	36 of 100 (Notable)
Dresden-Strehlen	Germany	Record high maximum temperature	34.7 C (94.5 F)	36 of 100 (Notable)
Cheyenne Wells 2NE	United States	Record low maximum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Kremsmuenster	Austria	Record high minimum temperature	19.5 C (67.1 F)	35 of 100 (Notable)
Gorlitz	Germany	Record high maximum temperature	34.5 C (94.1 F)	35 of 100 (Notable)
Falun	Sweden	Record high minimum temperature	15.9 C (60.6 F)	35 of 100 (Notable)
Lop Buri	Thailand	Record daily precipitation	52.3 mm (2.1 in)	35 of 100 (Notable)
Lindenberg	Germany	Record high maximum temperature	33.8 C (92.8 F)	34 of 100 (Routine)
Leipzig-Schkeuditz	Germany	Record high maximum temperature	34.2 C (93.6 F)	34 of 100 (Routine)
Fichtelberg	Germany	Record high maximum temperature	26.7 C (80.1 F)	34 of 100 (Routine)
Wakamatsu	Japan	Record high maximum temperature	38.5 C (101.3 F)	34 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Berlin-Dahlem	Germany	Record high maximum temperature	33.9 C (93.0 F)	33 of 100 (Routine)
Cottbus	Germany	Record high maximum temperature	34.8 C (94.6 F)	33 of 100 (Routine)
Wittenberg	Germany	Record high maximum temperature	34.7 C (94.5 F)	33 of 100 (Routine)
Yamagata	Japan	Record high maximum temperature	39.0 C (102.2 F)	33 of 100 (Routine)
Signal Peak	United States	Record daily precipitation	48.3 mm (1.9 in)	33 of 100 (Routine)
Waltershausen	Germany	Record high maximum temperature	32.5 C (90.5 F)	32 of 100 (Routine)
Little Sahara Rec Area	United States	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Berlin-Tempelhof	Germany	Record high maximum temperature	34.6 C (94.3 F)	31 of 100 (Routine)
Angermunde	Germany	Record high maximum temperature	32.4 C (90.3 F)	31 of 100 (Routine)
Doberlug-Kirchhain	Germany	Record high maximum temperature	35.2 C (95.4 F)	31 of 100 (Routine)
Bad Muskau	Germany	Record high maximum temperature	35.7 C (96.3 F)	31 of 100 (Routine)
Nossen	Germany	Record high maximum temperature	33.6 C (92.5 F)	31 of 100 (Routine)
Akita	Japan	Record high maximum temperature	37.6 C (99.7 F)	31 of 100 (Routine)
Lichtentanne	Germany	Record high maximum temperature	33.6 C (92.5 F)	30 of 100 (Routine)
Shionomisaki	Japan	Record daily precipitation	95.0 mm (3.7 in)	30 of 100 (Routine)

Counts by Type and Timescale

479 records

Records set or tied on 23 August 2018 by type: Highest daily maximum 152, Lowest daily maximum 68, Highest daily minimum 122, Lowest daily minimum 45, Heaviest daily rainfall 92.

Records on 23 August 2018 by type
Record type	Records
Highest daily maximum	152
Lowest daily maximum	68
Highest daily minimum	122
Lowest daily minimum	45
Heaviest daily rainfall	92
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 August 2018 by timescale: all-time 4, monthly 7, daily 468.

How Much Records Were Beaten By

392 broken records

Margins by which the 392 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 267.2. Ties are not counted.

Top 20 by Significance

23 August 2018

Top 20 records on 23 August 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 2018	Honokaa Town 215, US	monthly rain	348.0 mm (13.7 in)	174.5 mm (6.9 in)	78 years	83 of 100 (Exceptional)
23 August 2018	Paauilo 221, US	daily rain	305.6 mm (12.0 in)	267.2 mm (10.5 in)	73 years	72 of 100 (Major)
23 August 2018	Keaau 92, US	monthly rain	406.4 mm (16.0 in)	110.7 mm (4.4 in)	47 years	69 of 100 (Major)
23 August 2018	Perryton, US	daily rain	66.8 mm (2.6 in)	36.3 mm (1.4 in)	107 years	67 of 100 (Major)
23 August 2018	Huade, CN	daily rain	59.4 mm (2.3 in)	32.4 mm (1.3 in)	64 years	64 of 100 (Major)
23 August 2018	Naalehu 14, US	daily rain	77.7 mm (3.1 in)	52.8 mm (2.1 in)	80 years	59 of 100 (Notable)
23 August 2018	Kapapala Rch 36, US	daily rain	96.3 mm (3.8 in)	81.1 mm (3.2 in)	36 years	57 of 100 (Notable)
23 August 2018	Lake Echo Power Station, AU	daily rain	64.8 mm (2.6 in)	41.2 mm (1.6 in)	24 years	53 of 100 (Notable)
23 August 2018	Ytre Solund, NO	daily rain	48.6 mm (1.9 in)	27.1 mm (1.1 in)	44 years	52 of 100 (Notable)
23 August 2018	Bosque del Apache, US	daily rain	72.4 mm (2.9 in)	53.6 mm (2.1 in)	4 years	51 of 100 (Notable)
23 August 2018	Bouake, CI	daily rain	94.0 mm (3.7 in)	47.0 mm (1.9 in)	31 years	50 of 100 (Notable)
23 August 2018	Heden, SE	daily rain	41.5 mm (1.6 in)	18.1 mm (0.7 in)	69 years	50 of 100 (Notable)
23 August 2018	Altamont, US	daily rain	27.7 mm (1.1 in)	16.8 mm (0.7 in)	25 years	49 of 100 (Notable)
23 August 2018	Weslaco, US	daily high max	40.6 C (105.1 F)	1.7 C (3.1 F)	100 years	48 of 100 (Notable)
23 August 2018	Hachita 1W, US	daily rain	33.5 mm (1.3 in)	14.4 mm (0.6 in)	76 years	45 of 100 (Notable)
23 August 2018	Grand Coteau, US	daily high min	28.3 C (82.9 F)	3.9 C (7.0 F)	35 years	43 of 100 (Notable)
23 August 2018	Anthony, US	daily low max	22.2 C (72.0 F)	1.7 C (3.1 F)	109 years	43 of 100 (Notable)
23 August 2018	Potsdam, DE	daily high max	34.8 C (94.6 F)	1.1 C (2.0 F)	122 years	42 of 100 (Notable)
23 August 2018	Leipzig-Holzhausen, DE	daily high max	34.7 C (94.5 F)	1.0 C (1.8 F)	125 years	42 of 100 (Notable)
23 August 2018	Niigata, JP	all-time high max	39.9 C (103.8 F)	1.4 C (2.5 F)	40 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

1802 to 2018

Records set or tied on this calendar date in each year from 1802 to 2018. 2018 had 479 records.

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

Records on 08-23 in each year
Year	Records
1802	1
1805	1
1813	2
1816	2
1817	1
1818	1
1829	1
1839	3
1840	1
1846	1
1847	1
1848	1
1853	2
1857	1
1858	1
1864	1
1867	1
1869	1
1870	1
1871	1
1874	2
1877	2
1881	1
1882	2
1883	1
1884	2
1886	1
1887	2
1890	3
1891	4
1892	4
1893	4
1894	2
1895	3
1896	6
1897	1
1898	8
1899	8
1900	2
1901	10
1902	9
1903	9
1904	6
1905	8
1906	27
1907	15
1908	18
1909	10
1910	15
1911	23
1912	44
1913	9
1914	23
1915	63
1916	23
1917	26
1918	91
1919	24
1920	102
1921	280
1922	58
1923	284
1924	127
1925	182
1926	99
1927	198
1928	196
1929	240
1930	432
1931	412
1932	211
1933	342
1934	308
1935	220
1936	980
1937	522
1938	654
1939	439
1940	535
1941	375
1942	540
1943	505
1944	578
1945	338
1946	416
1947	1,071
1948	594
1949	456
1950	461
1951	347
1952	456
1953	292
1954	438
1955	375
1956	501
1957	645
1958	402
1959	494
1960	806
1961	644
1962	364
1963	380
1964	724
1965	357
1966	802
1967	541
1968	1,384
1969	728
1970	518
1971	610
1972	614
1973	650
1974	612
1975	627
1976	703
1977	557
1978	577
1979	459
1980	552
1981	663
1982	713
1983	1,264
1984	862
1985	1,187
1986	839
1987	1,119
1988	1,604
1989	902
1990	661
1991	697
1992	1,291
1993	796
1994	738
1995	1,212
1996	1,161
1997	1,599
1998	1,138
1999	802
2000	936
2001	834
2002	931
2003	1,103
2004	862
2005	786
2006	728
2007	1,513
2008	966
2009	1,241
2010	1,244
2011	1,412
2012	688
2013	397
2014	960
2015	673
2016	595
2017	543
2018	479
2019	445
2020	1,093
2021	629
2022	781
2023	1,287
2024	1,150
2025	1,295
2026	592

Download the Data

Data for records on 2018-08-23: 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	384
50 to 100	5
100 to 150	1
150 to 200	1
200 to 250	0
250 to 300	1