Weather Records on 30 June 2004

998 weather records were set or tied worldwide on 30 June 2004. Highest significance: Tiruchchirapalli, IN.

Key Facts for 30 June 2004

On 30 June 2004, 998 weather records were set or tied at long-record stations worldwide.
314 were record highs and 360 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 35 monthly and 959 daily.
Tiruchchirapalli set a monthly record daily precipitation of 162.1 mm (6.4 in) on 30 June 2004.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 446 records.

Record Map

998 stations

998 station records on 30 June 2004 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 2004: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tiruchchirapalli	India	Record daily precipitation	162.1 mm (6.4 in)	72 of 100 (Major)
Kenton	United States	Record daily precipitation	61.2 mm (2.4 in)	61 of 100 (Major)
Vihti Maasoja	Finland	Record daily precipitation	41.3 mm (1.6 in)	57 of 100 (Notable)
Hattula Lepaa-1	Finland	Record daily precipitation	41.1 mm (1.6 in)	57 of 100 (Notable)
Big Wells 2W	United States	Record daily precipitation	121.9 mm (4.8 in)	54 of 100 (Notable)
Lieto Tammentaka	Finland	Record daily precipitation	40.2 mm (1.6 in)	52 of 100 (Notable)
Heinola Asemantaus	Finland	Record daily precipitation	38.3 mm (1.5 in)	52 of 100 (Notable)
Canton 4N	United States	Record daily precipitation	72.4 mm (2.9 in)	52 of 100 (Notable)
Hameenkoski Palomaa	Finland	Record daily precipitation	37.1 mm (1.5 in)	51 of 100 (Notable)
Arlington Six Flags	United States	Record daily precipitation	69.1 mm (2.7 in)	51 of 100 (Notable)
Plainview	United States	Record daily precipitation	56.4 mm (2.2 in)	51 of 100 (Notable)
Jokioinen Jokioisten Observato	Finland	Record daily precipitation	49.5 mm (1.9 in)	50 of 100 (Notable)
Yuanping	China	Record daily precipitation	40.1 mm (1.6 in)	49 of 100 (Notable)
Palkane Padankoski	Finland	Record daily precipitation	35.8 mm (1.4 in)	49 of 100 (Notable)
Taiyuan	China	Record daily precipitation	46.4 mm (1.8 in)	48 of 100 (Notable)
Severnoe	Russia	Record daily precipitation	58.9 mm (2.3 in)	48 of 100 (Notable)
Quinter	United States	Record daily precipitation	58.2 mm (2.3 in)	48 of 100 (Notable)
Encinal	United States	Record daily precipitation	132.1 mm (5.2 in)	48 of 100 (Notable)
Hamina Onkamaa	Finland	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Prineville	United States	Record daily precipitation	26.4 mm (1.0 in)	47 of 100 (Notable)
Gatlinburg 2 SW	United States	Record low maximum temperature	18.3 C (64.9 F)	47 of 100 (Notable)
Tarpley 3S	United States	Record daily precipitation	175.3 mm (6.9 in)	46 of 100 (Notable)
Tarvasjoki Liedonpera	Finland	Record daily precipitation	38.5 mm (1.5 in)	45 of 100 (Notable)
Poytya Ylane	Finland	Record daily precipitation	41.0 mm (1.6 in)	45 of 100 (Notable)
Tuulos Teuro	Finland	Record daily precipitation	44.0 mm (1.7 in)	45 of 100 (Notable)
Padasjoki Syrjantaka	Finland	Record daily precipitation	28.0 mm (1.1 in)	45 of 100 (Notable)
Benton	United States	Record daily precipitation	39.4 mm (1.6 in)	45 of 100 (Notable)
Medina 1NE	United States	Record daily precipitation	80.8 mm (3.2 in)	45 of 100 (Notable)
Vihti Siippoo	Finland	Record daily precipitation	28.1 mm (1.1 in)	44 of 100 (Notable)
Vihti Hiiskula	Finland	Record daily precipitation	44.8 mm (1.8 in)	44 of 100 (Notable)
Hausjarvi Lavinto	Finland	Record daily precipitation	38.8 mm (1.5 in)	44 of 100 (Notable)
Asikkala Pulkkilanharju-1	Finland	Record daily precipitation	28.1 mm (1.1 in)	44 of 100 (Notable)
St. Petersburg	Russia	Record daily precipitation	44.3 mm (1.7 in)	44 of 100 (Notable)
Flomot 4 NE	United States	Record daily precipitation	87.9 mm (3.5 in)	44 of 100 (Notable)
Nousiainen Koljola	Finland	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Hameenlinna Pirttikoski	Finland	Record daily precipitation	50.9 mm (2.0 in)	43 of 100 (Notable)
Narpio Pirttikyla	Finland	Record daily precipitation	32.2 mm (1.3 in)	43 of 100 (Notable)
San Miguel Ejutla	Mexico	Record low minimum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Santa Maria del Refugio	Mexico	Record daily precipitation	62.0 mm (2.4 in)	43 of 100 (Notable)
Harper 3ENE	United States	Record daily precipitation	33.8 mm (1.3 in)	43 of 100 (Notable)
Turkey	United States	Record daily precipitation	64.0 mm (2.5 in)	43 of 100 (Notable)
Vantaa Helsinki-Vantaan Lentoa	Finland	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Biddinghuizen	Netherlands	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Enid	United States	Record low maximum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Richland Springs	United States	Record daily precipitation	41.1 mm (1.6 in)	42 of 100 (Notable)
Nome AP	United States	Record high minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Johvi	Estonia	Record daily precipitation	32.6 mm (1.3 in)	41 of 100 (Notable)
Porvoo Bengtsby	Finland	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Mantyharju Toivola	Finland	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Highlands	United States	Record low maximum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Clinton	United States	Record daily precipitation	54.4 mm (2.1 in)	41 of 100 (Notable)
Hennessey 4 ESE	United States	Record low maximum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Guangzhou	China	Record high maximum temperature	38.9 C (102.0 F)	40 of 100 (Notable)
Kaarina Yltoinen	Finland	Record daily precipitation	34.4 mm (1.4 in)	40 of 100 (Notable)
Porvoo Norrveckoski	Finland	Record daily precipitation	34.1 mm (1.3 in)	40 of 100 (Notable)
Kylmakoski Jokihaavisto	Finland	Record daily precipitation	32.4 mm (1.3 in)	40 of 100 (Notable)
Kouvola Utti Lentoportintie	Finland	Record daily precipitation	34.2 mm (1.3 in)	40 of 100 (Notable)
Arhangelsk	Russia	Record high minimum temperature	18.6 C (65.5 F)	40 of 100 (Notable)
Paso Robles	United States	Record low maximum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Spiro	United States	Record daily precipitation	58.2 mm (2.3 in)	40 of 100 (Notable)

Counts by Type and Timescale

998 records

Records set or tied on 30 June 2004 by type: Highest daily maximum 149, Lowest daily maximum 216, Highest daily minimum 165, Lowest daily minimum 144, Heaviest daily rainfall 324.

Records on 30 June 2004 by type
Record type	Records
Highest daily maximum	149
Lowest daily maximum	216
Highest daily minimum	165
Lowest daily minimum	144
Heaviest daily rainfall	324
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 2004 by timescale: all-time 4, monthly 35, daily 959.

How Much Records Were Beaten By

772 broken records

Margins by which the 772 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 136.7. Ties are not counted.

Top 20 by Significance

30 June 2004

Top 20 records on 30 June 2004 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 2004	Tiruchchirapalli, IN	monthly rain	162.1 mm (6.4 in)	85.5 mm (3.4 in)	40 years	72 of 100 (Major)
30 June 2004	Kenton, US	daily rain	61.2 mm (2.4 in)	42.7 mm (1.7 in)	84 years	61 of 100 (Major)
30 June 2004	Vihti Maasoja, FI	daily rain	41.3 mm (1.6 in)	23.3 mm (0.9 in)	44 years	57 of 100 (Notable)
30 June 2004	Hattula Lepaa-1, FI	daily rain	41.1 mm (1.6 in)	21.9 mm (0.9 in)	44 years	57 of 100 (Notable)
30 June 2004	Big Wells 2W, US	daily rain	121.9 mm (4.8 in)	94.0 mm (3.7 in)	20 years	54 of 100 (Notable)
30 June 2004	Lieto Tammentaka, FI	daily rain	40.2 mm (1.6 in)	26.9 mm (1.1 in)	27 years	52 of 100 (Notable)
30 June 2004	Heinola Asemantaus, FI	daily rain	38.3 mm (1.5 in)	23.1 mm (0.9 in)	27 years	52 of 100 (Notable)
30 June 2004	Canton 4N, US	daily rain	72.4 mm (2.9 in)	29.7 mm (1.2 in)	70 years	52 of 100 (Notable)
30 June 2004	Hameenkoski Palomaa, FI	daily rain	37.1 mm (1.5 in)	20.2 mm (0.8 in)	31 years	51 of 100 (Notable)
30 June 2004	Arlington Six Flags, US	daily rain	69.1 mm (2.7 in)	47.3 mm (1.9 in)	51 years	51 of 100 (Notable)
30 June 2004	Plainview, US	daily rain	56.4 mm (2.2 in)	26.9 mm (1.1 in)	80 years	51 of 100 (Notable)
30 June 2004	Jokioinen Jokioisten Observato, FI	daily rain	49.5 mm (1.9 in)	32.5 mm (1.3 in)	23 years	50 of 100 (Notable)
30 June 2004	Yuanping, CN	daily rain	40.1 mm (1.6 in)	29.4 mm (1.2 in)	31 years	49 of 100 (Notable)
30 June 2004	Palkane Padankoski, FI	daily rain	35.8 mm (1.4 in)	24.5 mm (1.0 in)	20 years	49 of 100 (Notable)
30 June 2004	Taiyuan, CN	daily rain	46.4 mm (1.8 in)	28.5 mm (1.1 in)	35 years	48 of 100 (Notable)
30 June 2004	Severnoe, RU	monthly rain	58.9 mm (2.3 in)	13.3 mm (0.5 in)	38 years	48 of 100 (Notable)
30 June 2004	Quinter, US	daily rain	58.2 mm (2.3 in)	35.3 mm (1.4 in)	47 years	48 of 100 (Notable)
30 June 2004	Encinal, US	daily rain	132.1 mm (5.2 in)	38.1 mm (1.5 in)	68 years	48 of 100 (Notable)
30 June 2004	Hamina Onkamaa, FI	daily rain	33.0 mm (1.3 in)	24.5 mm (1.0 in)	15 years	47 of 100 (Notable)
30 June 2004	Prineville, US	daily rain	26.4 mm (1.0 in)	17.8 mm (0.7 in)	28 years	47 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

1826 to 2004

Records set or tied on this calendar date in each year from 1826 to 2004. 2004 had 998 records.

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

Records on 06-30 in each year
Year	Records
1826	1
1832	1
1835	2
1843	2
1846	1
1848	2
1849	1
1853	1
1855	1
1857	1
1860	1
1863	1
1865	1
1869	1
1871	1
1873	1
1876	1
1879	2
1882	2
1883	3
1885	4
1886	1
1887	2
1888	2
1889	1
1890	3
1891	2
1892	1
1894	1
1895	1
1896	2
1897	6
1898	3
1899	4
1900	5
1901	9
1902	10
1903	8
1904	20
1905	23
1906	20
1907	12
1908	17
1909	39
1910	57
1911	12
1912	32
1913	99
1914	97
1915	40
1916	66
1917	39
1918	54
1919	72
1920	319
1921	121
1922	133
1923	309
1924	194
1925	113
1926	65
1927	240
1928	137
1929	213
1930	168
1931	774
1932	154
1933	571
1934	331
1935	347
1936	620
1937	458
1938	330
1939	438
1940	346
1941	341
1942	408
1943	790
1944	272
1945	671
1946	631
1947	487
1948	340
1949	403
1950	494
1951	517
1952	533
1953	404
1954	426
1955	432
1956	409
1957	592
1958	423
1959	948
1960	270
1961	351
1962	375
1963	560
1964	434
1965	240
1966	379
1967	414
1968	752
1969	459
1970	730
1971	459
1972	558
1973	623
1974	643
1975	414
1976	607
1977	662
1978	721
1979	601
1980	935
1981	838
1982	1,230
1983	752
1984	722
1985	829
1986	745
1987	1,044
1988	1,216
1989	953
1990	1,191
1991	1,129
1992	1,670
1993	711
1994	951
1995	1,354
1996	889
1997	938
1998	1,714
1999	910
2000	861
2001	778
2002	904
2003	896
2004	998
2005	1,526
2006	723
2007	736
2008	852
2009	1,052
2010	1,069
2011	1,057
2012	1,416
2013	963
2014	496
2015	1,018
2016	371
2017	642
2018	625
2019	1,042
2020	1,151
2021	1,442
2022	709
2023	531
2024	1,004
2025	858
2026	999

Download the Data

Data for records on 2004-06-30: 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	713
20 to 40	47
40 to 60	8
60 to 80	1
80 to 100	2
100 to 120	0
120 to 140	1