Weather Records on 18 June 1999

1,258 weather records were set or tied worldwide on 18 June 1999. Highest significance: Xicotepec de Juarez, MX.

Key Facts for 18 June 1999

On 18 June 1999, 1,258 weather records were set or tied at long-record stations worldwide.
242 were record highs and 845 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 18 monthly and 1,236 daily.
Xicotepec de Juarez set a monthly record daily precipitation of 271.0 mm (10.7 in) on 18 June 1999.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 431 records.

Record Map

1,258 stations

1,258 station records on 18 June 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 June 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Xicotepec de Juarez	Mexico	Record daily precipitation	271.0 mm (10.7 in)	57 of 100 (Notable)
Cerepovec	Russia	Record daily precipitation	50.0 mm (2.0 in)	50 of 100 (Notable)
Waverly	United States	Record low maximum temperature	12.2 C (54.0 F)	50 of 100 (Notable)
Zitlaltepec	Mexico	Record daily precipitation	134.9 mm (5.3 in)	49 of 100 (Notable)
Ft Bayard 4W	United States	Record daily precipitation	26.2 mm (1.0 in)	48 of 100 (Notable)
Towanda 1 S	United States	Record low maximum temperature	11.7 C (53.1 F)	48 of 100 (Notable)
Mount Barker	Australia	Record daily precipitation	28.6 mm (1.1 in)	47 of 100 (Notable)
Sidney 1SSE	United States	Record low maximum temperature	21.1 C (70.0 F)	47 of 100 (Notable)
Kingman	United States	Record low maximum temperature	17.8 C (64.0 F)	47 of 100 (Notable)
Dippoldiswalde-Reinberg	Germany	Record daily precipitation	51.9 mm (2.0 in)	46 of 100 (Notable)
Beaconsfield (Mine & Heritage	Australia	Record daily precipitation	37.2 mm (1.5 in)	45 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record low maximum temperature	27.2 C (81.0 F)	45 of 100 (Notable)
Sandy Hook	United States	Record low minimum temperature	11.1 C (52.0 F)	45 of 100 (Notable)
Ness City	United States	Record low maximum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Greeneville Exp STN	United States	Record low minimum temperature	6.1 C (43.0 F)	44 of 100 (Notable)
Logansport Cicott St	United States	Record low maximum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Washington	United States	Record low maximum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Elkhorn	United States	Record low minimum temperature	6.1 C (43.0 F)	43 of 100 (Notable)
Pinsk	Belarus	Record daily precipitation	28.3 mm (1.1 in)	42 of 100 (Notable)
Prescott 2 NNW	United States	Record low maximum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Syracuse 1NE	United States	Record low maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Fulton	United States	Record low minimum temperature	8.3 C (46.9 F)	42 of 100 (Notable)
Warren	United States	Record low maximum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Milan Exp STN	United States	Record low minimum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
Prairie du Sac 2 N	United States	Record low minimum temperature	4.4 C (39.9 F)	42 of 100 (Notable)
Springfield Abraham Lincoln Ca	United States	Record low minimum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
Hernando	United States	Record low maximum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Neillsville 3ESE	United States	Record low minimum temperature	2.2 C (36.0 F)	41 of 100 (Notable)
Gladstone (Old Post Office)	Australia	Record daily precipitation	27.4 mm (1.1 in)	40 of 100 (Notable)
Effingham 3SW	United States	Record low minimum temperature	7.8 C (46.0 F)	40 of 100 (Notable)
Princeton	United States	Record low maximum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Toms River	United States	Record low maximum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Hillsboro	United States	Record low maximum temperature	27.8 C (82.0 F)	40 of 100 (Notable)
Lewisburg Exp STN	United States	Record low minimum temperature	7.8 C (46.0 F)	40 of 100 (Notable)
Railton (Cement Australia)	Australia	Record daily precipitation	25.6 mm (1.0 in)	39 of 100 (Notable)
Coldwater	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Ulysses 3NE	United States	Record low maximum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Leitchfield 2 N	United States	Record low minimum temperature	8.3 C (46.9 F)	39 of 100 (Notable)
Lexington 3E	United States	Record low minimum temperature	10.0 C (50.0 F)	39 of 100 (Notable)
Hebron	United States	Record low minimum temperature	7.8 C (46.0 F)	39 of 100 (Notable)
Belhaven 1 SE	United States	Record low maximum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Pearsall	United States	Record low minimum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Ringarooma (Charles Street)	Australia	Record daily precipitation	28.6 mm (1.1 in)	38 of 100 (Notable)
Kokpekty	Kazakhstan	Record low minimum temperature	-0.1 C (31.8 F)	38 of 100 (Notable)
Elgin Water	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Jacksonville 2E	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Oskaloosa	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Cimarron	United States	Record low maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Hillsdale	United States	Record low minimum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Brunswick	United States	Record low minimum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Elephant Butte Dam	United States	Record low maximum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Beaver	United States	Record low maximum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Sierra Blanca 2 E	United States	Record daily precipitation	37.3 mm (1.5 in)	38 of 100 (Notable)
Anthony	United States	Record low maximum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Tartu-Toravere	Estonia	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Dresden Wahnsdorf	Germany	Record daily precipitation	44.4 mm (1.7 in)	37 of 100 (Notable)
Buzuluk	Russia	Record daily precipitation	27.4 mm (1.1 in)	37 of 100 (Notable)
Saint Bernard	United States	Record low minimum temperature	7.2 C (45.0 F)	37 of 100 (Notable)
Alicia 2 NNE	United States	Record low minimum temperature	13.9 C (57.0 F)	37 of 100 (Notable)
Ottawa 4SW	United States	Record low minimum temperature	7.8 C (46.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,258 records

Records set or tied on 18 June 1999 by type: Highest daily maximum 100, Lowest daily maximum 421, Highest daily minimum 142, Lowest daily minimum 424, Heaviest daily rainfall 170, Deepest snow cover 1.

Records on 18 June 1999 by type
Record type	Records
Highest daily maximum	100
Lowest daily maximum	421
Highest daily minimum	142
Lowest daily minimum	424
Heaviest daily rainfall	170
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 18 June 1999 by timescale: all-time 4, monthly 18, daily 1,236.

How Much Records Were Beaten By

934 broken records

Margins by which the 934 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

18 June 1999

Top 20 records on 18 June 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 June 1999	Xicotepec de Juarez, MX	monthly rain	271.0 mm (10.7 in)	95.7 mm (3.8 in)	25 years	57 of 100 (Notable)
18 June 1999	Cerepovec, RU	daily rain	50.0 mm (2.0 in)	35.3 mm (1.4 in)	22 years	50 of 100 (Notable)
18 June 1999	Waverly, US	daily low max	12.2 C (54.0 F)	6.7 C (12.1 F)	89 years	50 of 100 (Notable)
18 June 1999	Zitlaltepec, MX	daily rain	134.9 mm (5.3 in)	76.0 mm (3.0 in)	17 years	49 of 100 (Notable)
18 June 1999	Ft Bayard 4W, US	daily rain	26.2 mm (1.0 in)	19.1 mm (0.8 in)	37 years	48 of 100 (Notable)
18 June 1999	Towanda 1 S, US	daily low max	11.7 C (53.1 F)	5.5 C (9.9 F)	89 years	48 of 100 (Notable)
18 June 1999	Mount Barker, AU	daily rain	28.6 mm (1.1 in)	5.7 mm (0.22 in)	110 years	47 of 100 (Notable)
18 June 1999	Sidney 1SSE, US	daily low max	21.1 C (70.0 F)	3.3 C (5.9 F)	103 years	47 of 100 (Notable)
18 June 1999	Kingman, US	daily low max	17.8 C (64.0 F)	5.5 C (9.9 F)	86 years	47 of 100 (Notable)
18 June 1999	Dippoldiswalde-Reinberg, DE	daily rain	51.9 mm (2.0 in)	20.9 mm (0.8 in)	48 years	46 of 100 (Notable)
18 June 1999	Beaconsfield (Mine & Heritage, AU	daily rain	37.2 mm (1.5 in)	11.8 mm (0.5 in)	80 years	45 of 100 (Notable)
18 June 1999	Manati 2 E, PR	daily low max	27.2 C (81.0 F)	1.1 C (2.0 F)	96 years	45 of 100 (Notable)
18 June 1999	Sandy Hook, US	daily low min	11.1 C (52.0 F)	1.7 C (3.1 F)	119 years	45 of 100 (Notable)
18 June 1999	Ness City, US	daily low max	21.7 C (71.1 F)	2.2 C (4.0 F)	103 years	44 of 100 (Notable)
18 June 1999	Greeneville Exp STN, US	daily low min	6.1 C (43.0 F)	1.7 C (3.1 F)	99 years	44 of 100 (Notable)
18 June 1999	Logansport Cicott St, US	daily low max	21.1 C (70.0 F)	2.2 C (4.0 F)	96 years	43 of 100 (Notable)
18 June 1999	Washington, US	daily low max	22.2 C (72.0 F)	1.7 C (3.1 F)	104 years	43 of 100 (Notable)
18 June 1999	Elkhorn, US	daily low min	6.1 C (43.0 F)	1.1 C (2.0 F)	103 years	43 of 100 (Notable)
18 June 1999	Pinsk, BY	daily rain	28.3 mm (1.1 in)	1.6 mm (0.06 in)	115 years	42 of 100 (Notable)
18 June 1999	Prescott 2 NNW, US	daily low max	26.7 C (80.1 F)	1.1 C (2.0 F)	99 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

1800 to 1999

Records set or tied on this calendar date in each year from 1800 to 1999. 1999 had 1,258 records.

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

Records on 06-18 in each year
Year	Records
1800	1
1801	1
1802	1
1803	1
1816	1
1821	1
1823	1
1839	1
1841	1
1848	1
1855	1
1858	2
1859	1
1862	2
1865	1
1869	1
1870	1
1875	2
1876	1
1879	1
1880	1
1881	2
1882	2
1883	1
1884	1
1886	1
1888	3
1889	1
1890	3
1892	3
1893	1
1894	2
1895	3
1896	4
1897	5
1899	3
1900	4
1901	10
1902	7
1903	13
1904	5
1905	32
1906	16
1907	21
1908	20
1909	39
1910	15
1911	14
1912	25
1913	29
1914	43
1915	62
1916	29
1917	55
1918	118
1919	65
1920	53
1921	44
1922	57
1923	144
1924	108
1925	246
1926	176
1927	287
1928	205
1929	297
1930	379
1931	267
1932	219
1933	499
1934	335
1935	494
1936	549
1937	301
1938	391
1939	674
1940	620
1941	273
1942	201
1943	173
1944	726
1945	784
1946	532
1947	391
1948	421
1949	734
1950	828
1951	237
1952	435
1953	730
1954	460
1955	721
1956	373
1957	672
1958	532
1959	573
1960	394
1961	979
1962	302
1963	305
1964	840
1965	589
1966	431
1967	308
1968	556
1969	598
1970	486
1971	456
1972	334
1973	861
1974	719
1975	821
1976	508
1977	768
1978	516
1979	581
1980	447
1981	895
1982	736
1983	1,080
1984	716
1985	921
1986	862
1987	925
1988	748
1989	697
1990	795
1991	944
1992	579
1993	834
1994	1,156
1995	1,224
1996	1,004
1997	894
1998	1,600
1999	1,258
2000	1,474
2001	589
2002	1,397
2003	853
2004	1,056
2005	1,014
2006	699
2007	898
2008	628
2009	920
2010	928
2011	952
2012	832
2013	847
2014	732
2015	978
2016	787
2017	839
2018	968
2019	425
2020	572
2021	1,874
2022	1,194
2023	574
2024	1,150
2025	583
2026	830

Download the Data

Data for records on 1999-06-18: 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).

Histogram of margins by which records were beaten on 18 June 1999
Margin	Records
0 to 20	918
20 to 40	13
40 to 60	0
60 to 80	1
80 to 100	1
100 to 120	1