Weather Records on 15 August 2003

1,248 weather records were set or tied worldwide on 15 August 2003. Highest significance: Norddal, NO.

Key Facts for 15 August 2003

On 15 August 2003, 1,248 weather records were set or tied at long-record stations worldwide.
721 were record highs and 339 were record lows, counting maximum and minimum temperature.
By timescale, 9 were all-time records, 67 monthly and 1,172 daily.
Norddal set a daily record precipitation of 38.3 mm (1.5 in) on 15 August 2003.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 450 records.

Record Map

1,248 stations

1,248 station records on 15 August 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Norddal	Norway	Record daily precipitation	38.3 mm (1.5 in)	73 of 100 (Major)
Ika	Russia	Record daily precipitation	33.5 mm (1.3 in)	63 of 100 (Major)
Barranco Azul	Mexico	Record daily precipitation	185.9 mm (7.3 in)	56 of 100 (Notable)
Tafjord	Norway	Record daily precipitation	31.7 mm (1.2 in)	55 of 100 (Notable)
Hustadvatn	Norway	Record daily precipitation	64.0 mm (2.5 in)	55 of 100 (Notable)
Andalsnes	Norway	Record daily precipitation	43.0 mm (1.7 in)	54 of 100 (Notable)
Hebbronville	United States	Record low maximum temperature	26.1 C (79.0 F)	53 of 100 (Notable)
John Glenn Intl AP	United States	Record daily precipitation	62.0 mm (2.4 in)	53 of 100 (Notable)
Outokumpu Taipale Mustapuro	Finland	Record daily precipitation	39.3 mm (1.5 in)	52 of 100 (Notable)
Mishima	Japan	Record daily precipitation	223.0 mm (8.8 in)	51 of 100 (Notable)
Tokyo	Japan	Record daily precipitation	172.0 mm (6.8 in)	51 of 100 (Notable)
Oshima	Japan	Record daily precipitation	251.0 mm (9.9 in)	51 of 100 (Notable)
Yokosuka	Japan	Record daily precipitation	177.3 mm (7.0 in)	51 of 100 (Notable)
Orskog	Norway	Record daily precipitation	53.3 mm (2.1 in)	50 of 100 (Notable)
Ixpalino	Mexico	Record low minimum temperature	16.7 C (62.1 F)	49 of 100 (Notable)
Kingsville	United States	Record low maximum temperature	27.2 C (81.0 F)	49 of 100 (Notable)
San Carlos	Mexico	Record daily precipitation	139.7 mm (5.5 in)	48 of 100 (Notable)
San Gabriel	Mexico	Record low minimum temperature	15.0 C (59.0 F)	48 of 100 (Notable)
Vallnora_D	Sweden	Record daily precipitation	37.5 mm (1.5 in)	48 of 100 (Notable)
Port Sudan	Sudan	Record daily precipitation	62.2 mm (2.4 in)	46 of 100 (Notable)
Rimbo	Sweden	Record daily precipitation	39.3 mm (1.5 in)	46 of 100 (Notable)
Snake Rvr	United States	Record high maximum temperature	34.4 C (93.9 F)	46 of 100 (Notable)
Savonranta Leivonmaki	Finland	Record daily precipitation	32.1 mm (1.3 in)	45 of 100 (Notable)
Abu Hamed	Sudan	Record daily precipitation	59.9 mm (2.4 in)	44 of 100 (Notable)
Gardiner	United States	Record high minimum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Raymondville	United States	Record low maximum temperature	28.9 C (84.0 F)	44 of 100 (Notable)
Kerimaki Rauvanniemi	Finland	Record daily precipitation	41.1 mm (1.6 in)	43 of 100 (Notable)
Colorado City	United States	Record low minimum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
South Pass City	United States	Record high maximum temperature	31.1 C (88.0 F)	43 of 100 (Notable)
Shizuoka	Japan	Record daily precipitation	192.0 mm (7.6 in)	42 of 100 (Notable)
Camp Crook	United States	Record high maximum temperature	39.4 C (102.9 F)	42 of 100 (Notable)
Fowlerton	United States	Record low maximum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
La Popa	Mexico	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Elabuga	Russia	Record daily precipitation	92.9 mm (3.7 in)	41 of 100 (Notable)
Blackfoot Fire Dept	United States	Record high maximum temperature	37.8 C (100.0 F)	41 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Morgan	United States	Record high maximum temperature	38.3 C (100.9 F)	41 of 100 (Notable)
Republic	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Princeton	United States	Record daily precipitation	29.5 mm (1.2 in)	41 of 100 (Notable)
Phillip Creek	Australia	Record daily precipitation	35.5 mm (1.4 in)	40 of 100 (Notable)
Wutoschingen-Ofteringen	Germany	Record daily precipitation	43.0 mm (1.7 in)	40 of 100 (Notable)
Ajiro	Japan	Record daily precipitation	289.1 mm (11.4 in)	40 of 100 (Notable)
Las Bayas	Mexico	Record low minimum temperature	-6.1 C (21.0 F)	39 of 100 (Notable)
Oksendal	Norway	Record daily precipitation	40.1 mm (1.6 in)	39 of 100 (Notable)
Alvundfjord	Norway	Record daily precipitation	37.0 mm (1.5 in)	39 of 100 (Notable)
Huntington Lake	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Middleburg	United States	Record low maximum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
W Liberty 3NW	United States	Record high minimum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Moccasin Exp STN	United States	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Balmorhea	United States	Record low maximum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Junction 4SSW	United States	Record low minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Makaweli 965	United States	Record high minimum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Yokohama	Japan	Record daily precipitation	217.2 mm (8.6 in)	38 of 100 (Notable)
Kremmling	United States	Record high maximum temperature	31.7 C (89.1 F)	38 of 100 (Notable)
Moore Haven Lock 1	United States	Record high minimum temperature	26.1 C (79.0 F)	38 of 100 (Notable)
Arco	United States	Record high minimum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Ibapah	United States	Record high maximum temperature	39.4 C (102.9 F)	38 of 100 (Notable)
Marlinton	United States	Record daily precipitation	46.7 mm (1.8 in)	38 of 100 (Notable)
Atbasar	Kazakhstan	Record high minimum temperature	19.0 C (66.2 F)	37 of 100 (Notable)
Aberdeen Exp STN	United States	Record high maximum temperature	38.9 C (102.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,248 records

Records set or tied on 15 August 2003 by type: Highest daily maximum 352, Lowest daily maximum 179, Highest daily minimum 369, Lowest daily minimum 160, Heaviest daily rainfall 188.

Records on 15 August 2003 by type
Record type	Records
Highest daily maximum	352
Lowest daily maximum	179
Highest daily minimum	369
Lowest daily minimum	160
Heaviest daily rainfall	188
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 2003 by timescale: all-time 9, monthly 67, daily 1,172.

How Much Records Were Beaten By

876 broken records

Margins by which the 876 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 188.5. Ties are not counted.

Top 20 by Significance

15 August 2003

Top 20 records on 15 August 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 2003	Norddal, NO	daily rain	38.3 mm (1.5 in)	20.3 mm (0.8 in)	96 years	73 of 100 (Major)
15 August 2003	Ika, RU	daily rain	33.5 mm (1.3 in)	27.4 mm (1.1 in)	56 years	63 of 100 (Major)
15 August 2003	Barranco Azul, MX	daily rain	185.9 mm (7.3 in)	136.1 mm (5.4 in)	40 years	56 of 100 (Notable)
15 August 2003	Tafjord, NO	daily rain	31.7 mm (1.2 in)	22.3 mm (0.9 in)	28 years	55 of 100 (Notable)
15 August 2003	Hustadvatn, NO	daily rain	64.0 mm (2.5 in)	45.3 mm (1.8 in)	38 years	55 of 100 (Notable)
15 August 2003	Andalsnes, NO	daily rain	43.0 mm (1.7 in)	29.1 mm (1.1 in)	44 years	54 of 100 (Notable)
15 August 2003	Hebbronville, US	daily low max	26.1 C (79.0 F)	6.1 C (11.0 F)	69 years	53 of 100 (Notable)
15 August 2003	John Glenn Intl AP, US	daily rain	62.0 mm (2.4 in)	39.1 mm (1.5 in)	48 years	53 of 100 (Notable)
15 August 2003	Outokumpu Taipale Mustapuro, FI	daily rain	39.3 mm (1.5 in)	25.3 mm (1.0 in)	30 years	52 of 100 (Notable)
15 August 2003	Mishima, JP	daily rain	223.0 mm (8.8 in)	149.5 mm (5.9 in)	20 years	51 of 100 (Notable)
15 August 2003	Tokyo, JP	daily rain	172.0 mm (6.8 in)	127.0 mm (5.0 in)	20 years	51 of 100 (Notable)
15 August 2003	Oshima, JP	daily rain	251.0 mm (9.9 in)	188.5 mm (7.4 in)	20 years	51 of 100 (Notable)
15 August 2003	Yokosuka, JP	daily rain	177.3 mm (7.0 in)	101.4 mm (4.0 in)	20 years	51 of 100 (Notable)
15 August 2003	Orskog, NO	daily rain	53.3 mm (2.1 in)	34.5 mm (1.4 in)	20 years	50 of 100 (Notable)
15 August 2003	Ixpalino, MX	monthly low min	16.7 C (62.1 F)	3.3 C (5.9 F)	28 years	49 of 100 (Notable)
15 August 2003	Kingsville, US	daily low max	27.2 C (81.0 F)	3.9 C (7.0 F)	76 years	49 of 100 (Notable)
15 August 2003	San Carlos, MX	daily rain	139.7 mm (5.5 in)	128.3 mm (5.1 in)	14 years	48 of 100 (Notable)
15 August 2003	San Gabriel, MX	monthly low min	15.0 C (59.0 F)	3.3 C (5.9 F)	36 years	48 of 100 (Notable)
15 August 2003	Vallnora_D, SE	daily rain	37.5 mm (1.5 in)	26.0 mm (1.0 in)	32 years	48 of 100 (Notable)
15 August 2003	Port Sudan, SD	daily rain	62.2 mm (2.4 in)	42.1 mm (1.7 in)	8 years	46 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 2003

Records set or tied on this calendar date in each year from 1793 to 2003. 2003 had 1,248 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 2003-08-15: 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 2026-10-16 (16 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 25	846
25 to 50	20
50 to 75	2
75 to 100	1
100 to 125	2
125 to 150	4
150 to 175	0
175 to 200	1