Weather Records on 11 April 1999

1,318 weather records were set or tied worldwide on 11 April 1999. Highest significance: Lake Carmody, AU.

Key Facts for 11 April 1999

On 11 April 1999, 1,318 weather records were set or tied at long-record stations worldwide.
704 were record highs and 198 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 48 monthly and 1,270 daily.
Lake Carmody set a daily record precipitation of 62.0 mm (2.4 in) on 11 April 1999.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 476 records.

Record Map

1,318 stations

1,318 station records on 11 April 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lake Carmody	Australia	Record daily precipitation	62.0 mm (2.4 in)	66 of 100 (Major)
Kisinev	Moldova	Record daily precipitation	49.0 mm (1.9 in)	64 of 100 (Major)
Chichibu	Japan	Record daily precipitation	124.0 mm (4.9 in)	62 of 100 (Major)
Wisconsin Rapids	United States	Record daily precipitation	36.1 mm (1.4 in)	58 of 100 (Notable)
Southern Cross	Australia	Record daily precipitation	81.6 mm (3.2 in)	55 of 100 (Notable)
King Rocks	Australia	Record daily precipitation	56.2 mm (2.2 in)	53 of 100 (Notable)
Dobra Scritia	Australia	Record daily precipitation	60.4 mm (2.4 in)	53 of 100 (Notable)
Westonia	Australia	Record daily precipitation	29.1 mm (1.1 in)	53 of 100 (Notable)
Youanmi Valley	Australia	Record daily precipitation	71.0 mm (2.8 in)	53 of 100 (Notable)
Ajiro	Japan	Record daily precipitation	116.1 mm (4.6 in)	53 of 100 (Notable)
Wondinong	Australia	Record daily precipitation	26.2 mm (1.0 in)	52 of 100 (Notable)
Kumminin	Australia	Record daily precipitation	25.5 mm (1.0 in)	52 of 100 (Notable)
Walgoolan North	Australia	Record daily precipitation	39.6 mm (1.6 in)	52 of 100 (Notable)
Ft Ross	United States	Record daily precipitation	62.5 mm (2.5 in)	52 of 100 (Notable)
Lake Camm	Australia	Record daily precipitation	38.0 mm (1.5 in)	51 of 100 (Notable)
Moorine Rock	Australia	Record daily precipitation	53.0 mm (2.1 in)	51 of 100 (Notable)
Palenque (Dge)	Mexico	Record high minimum temperature	32.8 C (91.0 F)	49 of 100 (Notable)
Holt Rock	Australia	Record daily precipitation	53.6 mm (2.1 in)	47 of 100 (Notable)
Hyden	Australia	Record daily precipitation	50.0 mm (2.0 in)	47 of 100 (Notable)
Brunswick Heads Bowling Club	Australia	Record daily precipitation	108.4 mm (4.3 in)	47 of 100 (Notable)
Graham Rock	Australia	Record daily precipitation	45.6 mm (1.8 in)	46 of 100 (Notable)
Yap Island WSO AP	Federated States of Micronesia	Record daily precipitation	105.7 mm (4.2 in)	46 of 100 (Notable)
Traverse Cy Cherry Capital AP	United States	Record daily precipitation	32.8 mm (1.3 in)	46 of 100 (Notable)
Lochnagar	Australia	Record daily precipitation	55.0 mm (2.2 in)	45 of 100 (Notable)
Balla	Australia	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Lower Bucca	Australia	Record daily precipitation	73.0 mm (2.9 in)	44 of 100 (Notable)
Coramba (Glenfiddich)	Australia	Record daily precipitation	105.6 mm (4.2 in)	44 of 100 (Notable)
Omaezaki	Japan	Record daily precipitation	95.0 mm (3.7 in)	44 of 100 (Notable)
Visby_Flygplats	Sweden	Record high minimum temperature	6.3 C (43.3 F)	44 of 100 (Notable)
Noongaar	Australia	Record daily precipitation	46.8 mm (1.8 in)	43 of 100 (Notable)
Nambucca Heads Bowling Club	Australia	Record daily precipitation	70.0 mm (2.8 in)	43 of 100 (Notable)
Riggins	United States	Record low minimum temperature	-2.8 C (27.0 F)	43 of 100 (Notable)
Grevillia (Summerland Way)	Australia	Record daily precipitation	46.2 mm (1.8 in)	42 of 100 (Notable)
Karuizawa	Japan	Record daily precipitation	50.0 mm (2.0 in)	42 of 100 (Notable)
Nikko	Japan	Record daily precipitation	78.2 mm (3.1 in)	42 of 100 (Notable)
Sonoma	United States	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Wewahitchka	United States	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Hawkinsville	United States	Record high minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Lismore (Centre Street)	Australia	Record daily precipitation	82.4 mm (3.2 in)	41 of 100 (Notable)
Cumberland Police Brk	United States	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Eureka	United States	Record low minimum temperature	-12.8 C (9.0 F)	41 of 100 (Notable)
Hyden North	Australia	Record daily precipitation	46.6 mm (1.8 in)	40 of 100 (Notable)
Nth Ravensthorpe	Australia	Record daily precipitation	38.0 mm (1.5 in)	40 of 100 (Notable)
Seven Oaks	Australia	Record daily precipitation	39.4 mm (1.6 in)	40 of 100 (Notable)
Oxenford (Oberon Way)	Australia	Record daily precipitation	30.4 mm (1.2 in)	40 of 100 (Notable)
Lorne (Lorne Road)	Australia	Record daily precipitation	84.0 mm (3.3 in)	40 of 100 (Notable)
Evergreen	United States	Record high minimum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Flying Fish Point	Australia	Record daily precipitation	88.0 mm (3.5 in)	39 of 100 (Notable)
Greensboro	United States	Record high maximum temperature	31.7 C (89.1 F)	39 of 100 (Notable)
Union Springs 9 S	United States	Record high minimum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
San Francisco Oceanside	United States	Record daily precipitation	25.9 mm (1.0 in)	39 of 100 (Notable)
Experiment	United States	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Fitzgerald	United States	Record high minimum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Newnan 7 WNW	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Evergreen	United States	Record high maximum temperature	33.3 C (91.9 F)	38 of 100 (Notable)
Thomasville	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Carrollton	United States	Record high minimum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Gainesville	United States	Record high minimum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Yemassee 1 N	United States	Record high maximum temperature	32.2 C (90.0 F)	38 of 100 (Notable)
Cuthbert	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,318 records

Records set or tied on 11 April 1999 by type: Highest daily maximum 361, Lowest daily maximum 62, Highest daily minimum 343, Lowest daily minimum 136, Heaviest daily rainfall 389, Heaviest daily snowfall 8, Deepest snow cover 19.

Records on 11 April 1999 by type
Record type	Records
Highest daily maximum	361
Lowest daily maximum	62
Highest daily minimum	343
Lowest daily minimum	136
Heaviest daily rainfall	389
Heaviest daily snowfall	8
Deepest snow cover	19

Records on 11 April 1999 by timescale: all-time 0, monthly 48, daily 1,270.

How Much Records Were Beaten By

1,015 broken records

Margins by which the 1,015 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

11 April 1999

Top 20 records on 11 April 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1999	Lake Carmody, AU	daily rain	62.0 mm (2.4 in)	39.9 mm (1.6 in)	56 years	66 of 100 (Major)
11 April 1999	Kisinev, MD	monthly rain	49.0 mm (1.9 in)	8.0 mm (0.31 in)	110 years	64 of 100 (Major)
11 April 1999	Chichibu, JP	monthly rain	124.0 mm (4.9 in)	52.0 mm (2.0 in)	27 years	62 of 100 (Major)
11 April 1999	Wisconsin Rapids, US	daily rain	36.1 mm (1.4 in)	20.4 mm (0.8 in)	80 years	58 of 100 (Notable)
11 April 1999	Southern Cross, AU	monthly rain	81.6 mm (3.2 in)	27.2 mm (1.1 in)	2 years	55 of 100 (Notable)
11 April 1999	King Rocks, AU	daily rain	56.2 mm (2.2 in)	34.8 mm (1.4 in)	22 years	53 of 100 (Notable)
11 April 1999	Dobra Scritia, AU	monthly rain	60.4 mm (2.4 in)	7.8 mm (0.31 in)	81 years	53 of 100 (Notable)
11 April 1999	Westonia, AU	daily rain	29.1 mm (1.1 in)	20.0 mm (0.8 in)	64 years	53 of 100 (Notable)
11 April 1999	Youanmi Valley, AU	monthly rain	71.0 mm (2.8 in)	33.0 mm (1.3 in)	0 years	53 of 100 (Notable)
11 April 1999	Ajiro, JP	daily rain	116.1 mm (4.6 in)	77.1 mm (3.0 in)	30 years	53 of 100 (Notable)
11 April 1999	Wondinong, AU	daily rain	26.2 mm (1.0 in)	18.6 mm (0.7 in)	78 years	52 of 100 (Notable)
11 April 1999	Kumminin, AU	daily rain	25.5 mm (1.0 in)	17.4 mm (0.7 in)	56 years	52 of 100 (Notable)
11 April 1999	Walgoolan North, AU	daily rain	39.6 mm (1.6 in)	29.6 mm (1.2 in)	22 years	52 of 100 (Notable)
11 April 1999	Ft Ross, US	daily rain	62.5 mm (2.5 in)	18.0 mm (0.7 in)	98 years	52 of 100 (Notable)
11 April 1999	Lake Camm, AU	daily rain	38.0 mm (1.5 in)	18.2 mm (0.7 in)	56 years	51 of 100 (Notable)
11 April 1999	Moorine Rock, AU	monthly rain	53.0 mm (2.1 in)	10.8 mm (0.4 in)	65 years	51 of 100 (Notable)
11 April 1999	Palenque (Dge), MX	daily high min	32.8 C (91.0 F)	6.7 C (12.1 F)	45 years	49 of 100 (Notable)
11 April 1999	Holt Rock, AU	daily rain	53.6 mm (2.1 in)	42.4 mm (1.7 in)	1 year	47 of 100 (Notable)
11 April 1999	Hyden, AU	daily rain	50.0 mm (2.0 in)	32.4 mm (1.3 in)	1 year	47 of 100 (Notable)
11 April 1999	Brunswick Heads Bowling Club, AU	daily rain	108.4 mm (4.3 in)	93.4 mm (3.7 in)	14 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

1800 to 1999

Records set or tied on this calendar date in each year from 1800 to 1999. 1999 had 1,318 records.

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

Records on 04-11 in each year
Year	Records
1800	1
1803	1
1808	1
1809	1
1812	3
1818	1
1831	1
1832	1
1834	1
1837	1
1845	1
1854	1
1857	1
1863	2
1865	2
1866	1
1868	1
1869	3
1871	1
1874	1
1876	2
1879	2
1880	2
1881	1
1882	2
1885	1
1886	1
1887	2
1888	4
1889	2
1890	2
1891	2
1892	3
1894	7
1895	5
1896	3
1898	7
1899	11
1900	6
1901	4
1902	6
1903	13
1904	12
1905	20
1906	19
1907	7
1908	12
1909	30
1910	19
1911	19
1912	47
1913	48
1914	38
1915	127
1916	64
1917	62
1918	43
1919	42
1920	73
1921	32
1922	140
1923	89
1924	169
1925	197
1926	198
1927	156
1928	220
1929	214
1930	761
1931	185
1932	497
1933	481
1934	246
1935	261
1936	175
1937	245
1938	289
1939	611
1940	932
1941	579
1942	301
1943	546
1944	626
1945	890
1946	383
1947	478
1948	921
1949	402
1950	322
1951	623
1952	502
1953	594
1954	392
1955	610
1956	420
1957	508
1958	473
1959	582
1960	469
1961	532
1962	384
1963	450
1964	255
1965	763
1966	599
1967	757
1968	663
1969	353
1970	522
1971	495
1972	792
1973	1,479
1974	982
1975	851
1976	478
1977	1,231
1978	854
1979	977
1980	399
1981	1,036
1982	1,132
1983	1,040
1984	623
1985	952
1986	1,062
1987	440
1988	1,162
1989	1,931
1990	1,347
1991	1,287
1992	978
1993	722
1994	952
1995	2,134
1996	1,182
1997	3,077
1998	916
1999	1,318
2000	667
2001	1,865
2002	568
2003	1,156
2004	888
2005	930
2006	666
2007	962
2008	1,373
2009	1,102
2010	623
2011	1,664
2012	806
2013	1,482
2014	633
2015	399
2016	534
2017	489
2018	795
2019	812
2020	625
2021	892
2022	1,179
2023	1,036
2024	782
2025	1,177
2026	604

Download the Data

Data for records on 1999-04-11: 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 50	996
50 to 100	10
100 to 150	5
150 to 200	1
200 to 250	3