Weather Records on 20 June 2003

843 weather records were set or tied worldwide on 20 June 2003. Highest significance: Waynesboro 2 W, US.

Key Facts for 20 June 2003

On 20 June 2003, 843 weather records were set or tied at long-record stations worldwide.
305 were record highs and 341 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 23 monthly and 819 daily.
Waynesboro 2 W set a daily record precipitation of 148.6 mm (5.9 in) on 20 June 2003.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 455 records.

Record Map

843 stations

843 station records on 20 June 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Waynesboro 2 W	United States	Record daily precipitation	148.6 mm (5.9 in)	80 of 100 (Exceptional)
Viljujsk	Russia	Record daily precipitation	26.0 mm (1.0 in)	72 of 100 (Major)
Reading Wb City	United States	Record daily precipitation	80.8 mm (3.2 in)	72 of 100 (Major)
Apalachicola AP	United States	Record daily precipitation	120.4 mm (4.7 in)	55 of 100 (Notable)
Brooksville Chin Hill	United States	Record low maximum temperature	23.9 C (75.0 F)	54 of 100 (Notable)
Buckhannon	United States	Record daily precipitation	41.4 mm (1.6 in)	54 of 100 (Notable)
Wilmington Porter Rsch	United States	Record daily precipitation	94.7 mm (3.7 in)	53 of 100 (Notable)
New Delhi/Safdarjun	India	Record daily precipitation	77.0 mm (3.0 in)	50 of 100 (Notable)
Samaria	Mexico	Record daily precipitation	117.9 mm (4.6 in)	49 of 100 (Notable)
Verhnjaja Gutara	Russia	Record daily precipitation	31.5 mm (1.2 in)	49 of 100 (Notable)
Phoenixville 1 E	United States	Record daily precipitation	49.5 mm (1.9 in)	48 of 100 (Notable)
Baise	China	Record daily precipitation	135.0 mm (5.3 in)	47 of 100 (Notable)
Chadds Ford 2 NE	United States	Record daily precipitation	95.5 mm (3.8 in)	47 of 100 (Notable)
Brooksville Chin Hill	United States	Record daily precipitation	136.9 mm (5.4 in)	45 of 100 (Notable)
Racine Locks & Dam	United States	Record daily precipitation	99.8 mm (3.9 in)	45 of 100 (Notable)
Shell	United States	Record daily precipitation	26.7 mm (1.1 in)	45 of 100 (Notable)
Wilmington New Castle Co AP	United States	Record daily precipitation	90.9 mm (3.6 in)	45 of 100 (Notable)
McComb AP	United States	Record daily precipitation	64.5 mm (2.5 in)	45 of 100 (Notable)
Vandalia	United States	Record low minimum temperature	10.6 C (51.1 F)	44 of 100 (Notable)
Lancaster 2 NE Filt Plt	United States	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Saint Leo	United States	Record low maximum temperature	26.1 C (79.0 F)	43 of 100 (Notable)
Sidney	United States	Record high minimum temperature	20.6 C (69.1 F)	43 of 100 (Notable)
Avon Park 2 W	United States	Record low maximum temperature	27.8 C (82.0 F)	42 of 100 (Notable)
Culbertson	United States	Record high minimum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Clearbrook	United States	Record low maximum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Wilkes-Barre/Scranton Intl AP	United States	Record daily precipitation	52.1 mm (2.1 in)	42 of 100 (Notable)
Chanchichimila	Mexico	Record low minimum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Glendive	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Zumpango del Rio	Mexico	Record daily precipitation	42.9 mm (1.7 in)	40 of 100 (Notable)
Allentown Lehigh Vly Intl AP	United States	Record daily precipitation	67.6 mm (2.7 in)	40 of 100 (Notable)
Huntington Lake	United States	Record high minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Burnsville Lake	United States	Record daily precipitation	47.8 mm (1.9 in)	39 of 100 (Notable)
Kellerberrin	Australia	Record low minimum temperature	-2.5 C (27.5 F)	38 of 100 (Notable)
Paso de Cunduacan	Mexico	Record daily precipitation	147.1 mm (5.8 in)	38 of 100 (Notable)
Manassa	United States	Record low maximum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Iowa City	United States	Record low minimum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
Lebanon 2 W	United States	Record daily precipitation	59.9 mm (2.4 in)	38 of 100 (Notable)
Sejmchan	Russia	Record low minimum temperature	-2.0 C (28.4 F)	37 of 100 (Notable)
Kassala	Sudan	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Galva	United States	Record low minimum temperature	4.4 C (39.9 F)	37 of 100 (Notable)
Maquoketa	United States	Record low minimum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Postville	United States	Record low minimum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
Lugano	Switzerland	Record high maximum temperature	32.5 C (90.5 F)	36 of 100 (Notable)
Klamath	United States	Record low minimum temperature	1.1 C (34.0 F)	36 of 100 (Notable)
San Isidro	Mexico	Record high maximum temperature	41.7 C (107.1 F)	35 of 100 (Notable)
Presa Colorines (Cfe)	Mexico	Record low minimum temperature	11.1 C (52.0 F)	35 of 100 (Notable)
Pomona/Fairplex	United States	Record low maximum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Weeki Wachee	United States	Record low maximum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Hagerstown 1E	United States	Record low maximum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Wayne 2	United States	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
El Ojito de Camellones	Mexico	Record daily precipitation	60.5 mm (2.4 in)	34 of 100 (Routine)
El Chiflon	Mexico	Record daily precipitation	69.3 mm (2.7 in)	34 of 100 (Routine)
San Diego Curupatzeo	Mexico	Record low minimum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Tortosa - Observatorio del Ebr	Spain	Record high maximum temperature	37.5 C (99.5 F)	34 of 100 (Routine)
Yorba Linda	United States	Record low maximum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Myakka Rvr Sp	United States	Record daily precipitation	90.2 mm (3.6 in)	34 of 100 (Routine)
Udskoe	Russia	Record daily precipitation	28.6 mm (1.1 in)	33 of 100 (Routine)
Trona	United States	Record low maximum temperature	27.8 C (82.0 F)	33 of 100 (Routine)
Xenia 6 SSE	United States	Record low maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Dimmitt	United States	Record daily precipitation	42.4 mm (1.7 in)	33 of 100 (Routine)

Counts by Type and Timescale

843 records

Records set or tied on 20 June 2003 by type: Highest daily maximum 118, Lowest daily maximum 172, Highest daily minimum 187, Lowest daily minimum 169, Heaviest daily rainfall 197.

Records on 20 June 2003 by type
Record type	Records
Highest daily maximum	118
Lowest daily maximum	172
Highest daily minimum	187
Lowest daily minimum	169
Heaviest daily rainfall	197
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 2003 by timescale: all-time 1, monthly 23, daily 819.

How Much Records Were Beaten By

646 broken records

Margins by which the 646 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 91.1. Ties are not counted.

Top 20 by Significance

20 June 2003

Top 20 records on 20 June 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 2003	Waynesboro 2 W, US	daily rain	148.6 mm (5.9 in)	78.7 mm (3.1 in)	102 years	80 of 100 (Exceptional)
20 June 2003	Viljujsk, RU	daily rain	26.0 mm (1.0 in)	18.2 mm (0.7 in)	81 years	72 of 100 (Major)
20 June 2003	Reading Wb City, US	daily rain	80.8 mm (3.2 in)	45.2 mm (1.8 in)	131 years	72 of 100 (Major)
20 June 2003	Apalachicola AP, US	daily rain	120.4 mm (4.7 in)	77.7 mm (3.1 in)	26 years	55 of 100 (Notable)
20 June 2003	Brooksville Chin Hill, US	daily low max	23.9 C (75.0 F)	3.3 C (5.9 F)	108 years	54 of 100 (Notable)
20 June 2003	Buckhannon, US	daily rain	41.4 mm (1.6 in)	17.3 mm (0.7 in)	113 years	54 of 100 (Notable)
20 June 2003	Wilmington Porter Rsch, US	daily rain	94.7 mm (3.7 in)	63.5 mm (2.5 in)	21 years	53 of 100 (Notable)
20 June 2003	New Delhi/Safdarjun, IN	daily rain	77.0 mm (3.0 in)	22.1 mm (0.9 in)	100 years	50 of 100 (Notable)
20 June 2003	Samaria, MX	daily rain	117.9 mm (4.6 in)	73.4 mm (2.9 in)	28 years	49 of 100 (Notable)
20 June 2003	Verhnjaja Gutara, RU	daily rain	31.5 mm (1.2 in)	18.2 mm (0.7 in)	44 years	49 of 100 (Notable)
20 June 2003	Phoenixville 1 E, US	daily rain	49.5 mm (1.9 in)	21.6 mm (0.9 in)	73 years	48 of 100 (Notable)
20 June 2003	Baise, CN	daily rain	135.0 mm (5.3 in)	91.1 mm (3.6 in)	6 years	47 of 100 (Notable)
20 June 2003	Chadds Ford 2 NE, US	daily rain	95.5 mm (3.8 in)	70.9 mm (2.8 in)	6 years	47 of 100 (Notable)
20 June 2003	Brooksville Chin Hill, US	daily rain	136.9 mm (5.4 in)	31.5 mm (1.2 in)	61 years	45 of 100 (Notable)
20 June 2003	Racine Locks & Dam, US	daily rain	99.8 mm (3.9 in)	39.9 mm (1.6 in)	26 years	45 of 100 (Notable)
20 June 2003	Shell, US	daily rain	26.7 mm (1.1 in)	23.9 mm (0.9 in)	13 years	45 of 100 (Notable)
20 June 2003	Wilmington New Castle Co AP, US	daily rain	90.9 mm (3.6 in)	41.1 mm (1.6 in)	21 years	45 of 100 (Notable)
20 June 2003	McComb AP, US	daily rain	64.5 mm (2.5 in)	41.6 mm (1.6 in)	52 years	45 of 100 (Notable)
20 June 2003	Vandalia, US	daily low min	10.6 C (51.1 F)	1.6 C (2.9 F)	102 years	44 of 100 (Notable)
20 June 2003	Lancaster 2 NE Filt Plt, US	daily rain	52.1 mm (2.1 in)	29.5 mm (1.2 in)	52 years	44 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

1800 to 2003

Records set or tied on this calendar date in each year from 1800 to 2003. 2003 had 843 records.

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

Records on 06-20 in each year
Year	Records
1800	1
1803	1
1813	1
1821	2
1838	1
1839	1
1841	1
1844	1
1846	2
1847	1
1850	1
1855	2
1857	1
1861	1
1865	2
1867	1
1869	2
1872	1
1873	1
1877	2
1879	1
1884	1
1886	2
1887	2
1891	2
1892	2
1893	2
1895	4
1896	3
1897	6
1898	3
1899	6
1900	4
1901	5
1902	7
1903	22
1904	13
1905	14
1906	18
1907	10
1908	30
1909	9
1910	27
1911	27
1912	17
1913	30
1914	53
1915	75
1916	83
1917	96
1918	54
1919	67
1920	40
1921	42
1922	61
1923	263
1924	204
1925	483
1926	228
1927	193
1928	199
1929	137
1930	143
1931	536
1932	182
1933	676
1934	301
1935	337
1936	529
1937	412
1938	326
1939	270
1940	469
1941	200
1942	757
1943	447
1944	315
1945	769
1946	849
1947	387
1948	554
1949	314
1950	328
1951	289
1952	318
1953	998
1954	414
1955	291
1956	484
1957	598
1958	603
1959	504
1960	451
1961	836
1962	173
1963	379
1964	729
1965	463
1966	441
1967	687
1968	559
1969	982
1970	482
1971	395
1972	660
1973	553
1974	743
1975	984
1976	899
1977	453
1978	480
1979	727
1980	922
1981	987
1982	801
1983	724
1984	686
1985	811
1986	732
1987	960
1988	1,222
1989	918
1990	899
1991	1,085
1992	1,049
1993	964
1994	925
1995	1,260
1996	1,123
1997	738
1998	1,627
1999	906
2000	1,328
2001	771
2002	955
2003	843
2004	1,071
2005	1,055
2006	820
2007	1,208
2008	669
2009	1,060
2010	865
2011	1,359
2012	1,045
2013	879
2014	381
2015	637
2016	1,352
2017	1,086
2018	635
2019	693
2020	590
2021	1,161
2022	972
2023	1,265
2024	783
2025	944
2026	757

Download the Data

Data for records on 2003-06-20: 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 20	605
20 to 40	28
40 to 60	5
60 to 80	7
80 to 100	1