Weather Records on 30 June 1999

910 weather records were set or tied worldwide on 30 June 1999. Highest significance: Spearman, US.

Key Facts for 30 June 1999

On 30 June 1999, 910 weather records were set or tied at long-record stations worldwide.
357 were record highs and 208 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 22 monthly and 882 daily.
Spearman set a daily record precipitation of 99.1 mm (3.9 in) on 30 June 1999.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 447 records.

Record Map

910 stations

910 station records on 30 June 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Spearman	United States	Record daily precipitation	99.1 mm (3.9 in)	71 of 100 (Major)
Hawkinsville	United States	Record daily precipitation	74.4 mm (2.9 in)	61 of 100 (Major)
Galveston	United States	Record high minimum temperature	30.0 C (86.0 F)	59 of 100 (Notable)
Speed (Post Office)	Australia	Record daily precipitation	30.6 mm (1.2 in)	55 of 100 (Notable)
Goldberg	Germany	Record daily precipitation	25.2 mm (1.0 in)	54 of 100 (Notable)
Elgin Downs	Australia	Record daily precipitation	46.0 mm (1.8 in)	50 of 100 (Notable)
Ohotsk	Russia	Record daily precipitation	34.7 mm (1.4 in)	50 of 100 (Notable)
Mariestad	Sweden	Record daily precipitation	26.6 mm (1.0 in)	50 of 100 (Notable)
Greenbrier	United States	Record daily precipitation	66.0 mm (2.6 in)	50 of 100 (Notable)
Fayetteville Exp STN	United States	Record daily precipitation	74.9 mm (2.9 in)	49 of 100 (Notable)
Perryton 11 WNW	United States	Record daily precipitation	68.6 mm (2.7 in)	49 of 100 (Notable)
Sendai	Japan	Record daily precipitation	111.0 mm (4.4 in)	47 of 100 (Notable)
Ishinomaki	Japan	Record daily precipitation	99.1 mm (3.9 in)	47 of 100 (Notable)
Eversley	Australia	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Placerville	United States	Record high minimum temperature	23.3 C (73.9 F)	45 of 100 (Notable)
Farmington	United States	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Gotnja	Russia	Record high maximum temperature	39.0 C (102.2 F)	44 of 100 (Notable)
Shirakawa	Japan	Record daily precipitation	124.0 mm (4.9 in)	43 of 100 (Notable)
Tequisistlan	Mexico	Record daily precipitation	82.8 mm (3.3 in)	43 of 100 (Notable)
Independence	United States	Record high minimum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Weeping Water	United States	Record daily precipitation	56.9 mm (2.2 in)	43 of 100 (Notable)
Onahama	Japan	Record daily precipitation	115.1 mm (4.5 in)	42 of 100 (Notable)
Remningstorp	Sweden	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Canaan	United States	Record daily precipitation	48.8 mm (1.9 in)	41 of 100 (Notable)
Morrl Morrl (Valley View)	Australia	Record daily precipitation	26.0 mm (1.0 in)	40 of 100 (Notable)
Stockton Fire STN 4	United States	Record high minimum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Albion	United States	Record low maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Pyalong West (Cavan Park)	Australia	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Carter Twr	United States	Record daily precipitation	64.8 mm (2.6 in)	38 of 100 (Notable)
Cleveland Fltr Plt	United States	Record daily precipitation	64.8 mm (2.6 in)	38 of 100 (Notable)
Abbeville 4S	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Greeley	United States	Record low maximum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Matsumoto	Japan	Record daily precipitation	96.8 mm (3.8 in)	36 of 100 (Notable)
Los Panches (Cfe)	Mexico	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Ada	United States	Record daily precipitation	72.1 mm (2.8 in)	36 of 100 (Notable)
Damascus 2 NNE	United States	Record daily precipitation	57.7 mm (2.3 in)	35 of 100 (Notable)
Soltau	Germany	Record daily precipitation	30.6 mm (1.2 in)	34 of 100 (Routine)
Santiago Tamazola	Mexico	Record daily precipitation	85.9 mm (3.4 in)	34 of 100 (Routine)
Marysville	United States	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Cuthbert	United States	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Allegan 5NE	United States	Record low maximum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Zugspitze	Germany	Record snow depth	425.0 cm (167.3 in)	33 of 100 (Routine)
Jal	United States	Record high minimum temperature	32.8 C (91.0 F)	33 of 100 (Routine)
Bristow	United States	Record daily precipitation	57.2 mm (2.3 in)	33 of 100 (Routine)
San Jeronimo	Mexico	Record daily precipitation	67.3 mm (2.6 in)	32 of 100 (Routine)
Clinton	United States	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Woodland	United States	Record high minimum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Greeneville Exp STN	United States	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Ft Smith Rgnl AP	United States	Record daily precipitation	66.5 mm (2.6 in)	32 of 100 (Routine)
Miyako	Japan	Record daily precipitation	67.1 mm (2.6 in)	31 of 100 (Routine)
Uega	Russia	Record daily precipitation	25.3 mm (1.0 in)	31 of 100 (Routine)
Pojarkovo	Russia	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Alexander	United States	Record daily precipitation	52.6 mm (2.1 in)	31 of 100 (Routine)
Fredonia	United States	Record low minimum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Calvin	United States	Record daily precipitation	95.3 mm (3.8 in)	31 of 100 (Routine)
Yap Island WSO AP	Federated States of Micronesia	Record low minimum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Vestmannaeyjar	Iceland	Record high maximum temperature	19.3 C (66.7 F)	30 of 100 (Routine)
Takayama	Japan	Record daily precipitation	99.1 mm (3.9 in)	30 of 100 (Routine)
Manuel Avila Camacho	Mexico	Record daily precipitation	42.7 mm (1.7 in)	30 of 100 (Routine)
La Libertad	Mexico	Record daily precipitation	82.0 mm (3.2 in)	30 of 100 (Routine)

Counts by Type and Timescale

910 records

Records set or tied on 30 June 1999 by type: Highest daily maximum 136, Lowest daily maximum 126, Highest daily minimum 221, Lowest daily minimum 82, Heaviest daily rainfall 344, Deepest snow cover 1.

Records on 30 June 1999 by type
Record type	Records
Highest daily maximum	136
Lowest daily maximum	126
Highest daily minimum	221
Lowest daily minimum	82
Heaviest daily rainfall	344
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 30 June 1999 by timescale: all-time 6, monthly 22, daily 882.

How Much Records Were Beaten By

697 broken records

Margins by which the 697 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.1. Ties are not counted.

Top 20 by Significance

30 June 1999

Top 20 records on 30 June 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 1999	Spearman, US	daily rain	99.1 mm (3.9 in)	66.1 mm (2.6 in)	76 years	71 of 100 (Major)
30 June 1999	Hawkinsville, US	daily rain	74.4 mm (2.9 in)	41.6 mm (1.6 in)	77 years	61 of 100 (Major)
30 June 1999	Galveston, US	all-time high min	30.0 C (86.0 F)	0.6 C (1.1 F)	87 years	59 of 100 (Notable)
30 June 1999	Speed (Post Office), AU	daily rain	30.6 mm (1.2 in)	23.0 mm (0.9 in)	25 years	55 of 100 (Notable)
30 June 1999	Goldberg, DE	daily rain	25.2 mm (1.0 in)	8.8 mm (0.35 in)	102 years	54 of 100 (Notable)
30 June 1999	Elgin Downs, AU	daily rain	46.0 mm (1.8 in)	30.3 mm (1.2 in)	76 years	50 of 100 (Notable)
30 June 1999	Ohotsk, RU	daily rain	34.7 mm (1.4 in)	7.5 mm (0.30 in)	104 years	50 of 100 (Notable)
30 June 1999	Mariestad, SE	daily rain	26.6 mm (1.0 in)	18.2 mm (0.7 in)	38 years	50 of 100 (Notable)
30 June 1999	Greenbrier, US	daily rain	66.0 mm (2.6 in)	46.2 mm (1.8 in)	48 years	50 of 100 (Notable)
30 June 1999	Fayetteville Exp STN, US	daily rain	74.9 mm (2.9 in)	20.3 mm (0.8 in)	92 years	49 of 100 (Notable)
30 June 1999	Perryton 11 WNW, US	daily rain	68.6 mm (2.7 in)	39.4 mm (1.6 in)	52 years	49 of 100 (Notable)
30 June 1999	Sendai, JP	daily rain	111.0 mm (4.4 in)	77.5 mm (3.1 in)	12 years	47 of 100 (Notable)
30 June 1999	Ishinomaki, JP	daily rain	99.1 mm (3.9 in)	78.1 mm (3.1 in)	12 years	47 of 100 (Notable)
30 June 1999	Eversley, AU	daily rain	27.4 mm (1.1 in)	13.4 mm (0.5 in)	44 years	45 of 100 (Notable)
30 June 1999	Placerville, US	monthly high min	23.3 C (73.9 F)	0.5 C (0.9 F)	82 years	45 of 100 (Notable)
30 June 1999	Farmington, US	daily rain	31.0 mm (1.2 in)	5.9 mm (0.23 in)	101 years	45 of 100 (Notable)
30 June 1999	Gotnja, RU	all-time high max	39.0 C (102.2 F)	1.7 C (3.1 F)	52 years	44 of 100 (Notable)
30 June 1999	Shirakawa, JP	daily rain	124.0 mm (4.9 in)	53.0 mm (2.1 in)	13 years	43 of 100 (Notable)
30 June 1999	Tequisistlan, MX	daily rain	82.8 mm (3.3 in)	41.7 mm (1.6 in)	41 years	43 of 100 (Notable)
30 June 1999	Independence, US	daily high min	23.9 C (75.0 F)	1.7 C (3.1 F)	97 years	43 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 1999

Records set or tied on this calendar date in each year from 1826 to 1999. 1999 had 910 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 1999-06-30: 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 2026-10-17 (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 10	598
10 to 20	56
20 to 30	18
30 to 40	8
40 to 50	10
50 to 60	4
60 to 70	1
70 to 80	2