Weather Records on 15 April 1999

1,249 weather records were set or tied worldwide on 15 April 1999. Highest significance: Syracuse, US.

Key Facts for 15 April 1999

On 15 April 1999, 1,249 weather records were set or tied at long-record stations worldwide.
276 were record highs and 326 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 41 monthly and 1,207 daily.
Syracuse set a daily record precipitation of 58.4 mm (2.3 in) on 15 April 1999.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 488 records.

Record Map

1,249 stations

1,249 station records on 15 April 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Syracuse	United States	Record daily precipitation	58.4 mm (2.3 in)	70 of 100 (Major)
Perryton	United States	Record daily precipitation	59.9 mm (2.4 in)	65 of 100 (Major)
Plattsmouth 1E	United States	Record daily precipitation	51.3 mm (2.0 in)	60 of 100 (Major)
Beaver	United States	Record daily precipitation	33.5 mm (1.3 in)	60 of 100 (Major)
Gleneva	Australia	Record daily precipitation	53.4 mm (2.1 in)	59 of 100 (Notable)
Blue Rapids	United States	Record daily precipitation	73.7 mm (2.9 in)	59 of 100 (Notable)
Pindar	Australia	Record daily precipitation	45.0 mm (1.8 in)	58 of 100 (Notable)
Clarinda	United States	Record daily precipitation	48.0 mm (1.9 in)	58 of 100 (Notable)
Abilene	United States	Record daily precipitation	53.8 mm (2.1 in)	57 of 100 (Notable)
Miracatu	Brazil	Record daily precipitation	90.6 mm (3.6 in)	56 of 100 (Notable)
Horton	United States	Record daily precipitation	66.0 mm (2.6 in)	56 of 100 (Notable)
Kinsley 2E	United States	Record daily precipitation	54.9 mm (2.2 in)	56 of 100 (Notable)
Sidney 1SSE	United States	Record daily precipitation	65.3 mm (2.6 in)	55 of 100 (Notable)
Burdick (Diamond Springs)	United States	Record daily precipitation	57.9 mm (2.3 in)	55 of 100 (Notable)
Wymore	United States	Record daily precipitation	63.5 mm (2.5 in)	55 of 100 (Notable)
Beemer	United States	Record daily precipitation	47.8 mm (1.9 in)	54 of 100 (Notable)
Wandina	Australia	Record daily precipitation	78.3 mm (3.1 in)	53 of 100 (Notable)
Ft Madison	United States	Record daily precipitation	47.0 mm (1.9 in)	53 of 100 (Notable)
Ashland #2	United States	Record daily precipitation	49.5 mm (1.9 in)	53 of 100 (Notable)
Perryton 11 WNW	United States	Record daily precipitation	49.5 mm (1.9 in)	53 of 100 (Notable)
Kanopolis Lake	United States	Record daily precipitation	47.2 mm (1.9 in)	52 of 100 (Notable)
Troy 3N	United States	Record daily precipitation	66.5 mm (2.6 in)	52 of 100 (Notable)
Hickman	United States	Record daily precipitation	67.1 mm (2.6 in)	52 of 100 (Notable)
Mitt. Paamiut	Greenland [Denmark]	Record daily precipitation	54.0 mm (2.1 in)	51 of 100 (Notable)
Enterprise	United States	Record daily precipitation	54.1 mm (2.1 in)	50 of 100 (Notable)
Tuttle Creek Lake	United States	Record daily precipitation	50.8 mm (2.0 in)	50 of 100 (Notable)
Roca	United States	Record daily precipitation	64.3 mm (2.5 in)	50 of 100 (Notable)
Tambrey	Australia	Record daily precipitation	76.2 mm (3.0 in)	49 of 100 (Notable)
Aachen	Germany	Record snow depth	11.0 cm (4.3 in)	49 of 100 (Notable)
Lakewood	United States	Record daily precipitation	58.9 mm (2.3 in)	49 of 100 (Notable)
Herkimer	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Fairbury 7S	United States	Record daily precipitation	48.8 mm (1.9 in)	49 of 100 (Notable)
Nebraska City 2NW	United States	Record daily precipitation	59.7 mm (2.4 in)	49 of 100 (Notable)
Follett	United States	Record daily precipitation	57.2 mm (2.3 in)	49 of 100 (Notable)
Perangery	Australia	Record daily precipitation	49.8 mm (2.0 in)	48 of 100 (Notable)
Bom Jardim de Minas	Brazil	Record daily precipitation	51.2 mm (2.0 in)	48 of 100 (Notable)
Prescott 2 NNW	United States	Record daily precipitation	50.5 mm (2.0 in)	48 of 100 (Notable)
Klamath	United States	Record high maximum temperature	28.3 C (82.9 F)	48 of 100 (Notable)
Barnard	United States	Record daily precipitation	49.8 mm (2.0 in)	48 of 100 (Notable)
Barneston	United States	Record daily precipitation	48.3 mm (1.9 in)	48 of 100 (Notable)
Eslohe	Germany	Record snow depth	11.0 cm (4.3 in)	47 of 100 (Notable)
Blockton 1W	United States	Record daily precipitation	45.5 mm (1.8 in)	47 of 100 (Notable)
Osceola	United States	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Shenandoah	United States	Record daily precipitation	57.2 mm (2.3 in)	47 of 100 (Notable)
Effingham	United States	Record daily precipitation	68.6 mm (2.7 in)	47 of 100 (Notable)
Valley Falls 3 SW	United States	Record daily precipitation	67.3 mm (2.6 in)	47 of 100 (Notable)
Mason City	United States	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Spearman	United States	Record daily precipitation	37.6 mm (1.5 in)	47 of 100 (Notable)
Coupeville 1 S	United States	Record high maximum temperature	22.8 C (73.0 F)	47 of 100 (Notable)
Juneau AP	United States	Record daily precipitation	37.8 mm (1.5 in)	47 of 100 (Notable)
Gascoyne Junction	Australia	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Glenwood 3SW	United States	Record daily precipitation	57.7 mm (2.3 in)	46 of 100 (Notable)
Lillis	United States	Record daily precipitation	66.0 mm (2.6 in)	46 of 100 (Notable)
Onaga	United States	Record daily precipitation	55.9 mm (2.2 in)	46 of 100 (Notable)
White City	United States	Record daily precipitation	64.8 mm (2.6 in)	46 of 100 (Notable)
Mead 6S	United States	Record daily precipitation	53.6 mm (2.1 in)	46 of 100 (Notable)
Darrouzett	United States	Record daily precipitation	79.2 mm (3.1 in)	46 of 100 (Notable)
Westcliffe	United States	Record low maximum temperature	0.0 C (32.0 F)	45 of 100 (Notable)
Red Oak	United States	Record daily precipitation	61.2 mm (2.4 in)	45 of 100 (Notable)
Parallel	United States	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)

Counts by Type and Timescale

1,249 records

Records set or tied on 15 April 1999 by type: Highest daily maximum 141, Lowest daily maximum 137, Highest daily minimum 135, Lowest daily minimum 189, Heaviest daily rainfall 579, Heaviest daily snowfall 25, Deepest snow cover 43.

Records on 15 April 1999 by type
Record type	Records
Highest daily maximum	141
Lowest daily maximum	137
Highest daily minimum	135
Lowest daily minimum	189
Heaviest daily rainfall	579
Heaviest daily snowfall	25
Deepest snow cover	43

Records on 15 April 1999 by timescale: all-time 1, monthly 41, daily 1,207.

How Much Records Were Beaten By

1,034 broken records

Margins by which the 1,034 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 650.0. Ties are not counted.

Top 20 by Significance

15 April 1999

Top 20 records on 15 April 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 1999	Syracuse, US	daily rain	58.4 mm (2.3 in)	39.3 mm (1.5 in)	68 years	70 of 100 (Major)
15 April 1999	Perryton, US	daily rain	59.9 mm (2.4 in)	45.4 mm (1.8 in)	52 years	65 of 100 (Major)
15 April 1999	Plattsmouth 1E, US	daily rain	51.3 mm (2.0 in)	30.5 mm (1.2 in)	72 years	60 of 100 (Major)
15 April 1999	Beaver, US	daily rain	33.5 mm (1.3 in)	23.3 mm (0.9 in)	98 years	60 of 100 (Major)
15 April 1999	Gleneva, AU	daily rain	53.4 mm (2.1 in)	47.0 mm (1.9 in)	37 years	59 of 100 (Notable)
15 April 1999	Blue Rapids, US	daily rain	73.7 mm (2.9 in)	32.6 mm (1.3 in)	60 years	59 of 100 (Notable)
15 April 1999	Pindar, AU	daily rain	45.0 mm (1.8 in)	30.5 mm (1.2 in)	56 years	58 of 100 (Notable)
15 April 1999	Clarinda, US	daily rain	48.0 mm (1.9 in)	23.1 mm (0.9 in)	88 years	58 of 100 (Notable)
15 April 1999	Abilene, US	daily rain	53.8 mm (2.1 in)	18.7 mm (0.7 in)	98 years	57 of 100 (Notable)
15 April 1999	Miracatu, BR	daily rain	90.6 mm (3.6 in)	58.0 mm (2.3 in)	41 years	56 of 100 (Notable)
15 April 1999	Horton, US	daily rain	66.0 mm (2.6 in)	27.9 mm (1.1 in)	72 years	56 of 100 (Notable)
15 April 1999	Kinsley 2E, US	daily rain	54.9 mm (2.2 in)	36.6 mm (1.4 in)	60 years	56 of 100 (Notable)
15 April 1999	Sidney 1SSE, US	daily rain	65.3 mm (2.6 in)	40.4 mm (1.6 in)	25 years	55 of 100 (Notable)
15 April 1999	Burdick (Diamond Springs), US	daily rain	57.9 mm (2.3 in)	51.5 mm (2.0 in)	33 years	55 of 100 (Notable)
15 April 1999	Wymore, US	monthly rain	63.5 mm (2.5 in)	7.1 mm (0.28 in)	95 years	55 of 100 (Notable)
15 April 1999	Beemer, US	daily rain	47.8 mm (1.9 in)	30.8 mm (1.2 in)	44 years	54 of 100 (Notable)
15 April 1999	Wandina, AU	monthly rain	78.3 mm (3.1 in)	24.2 mm (1.0 in)	45 years	53 of 100 (Notable)
15 April 1999	Ft Madison, US	daily rain	47.0 mm (1.9 in)	15.2 mm (0.6 in)	103 years	53 of 100 (Notable)
15 April 1999	Ashland #2, US	daily rain	49.5 mm (1.9 in)	24.6 mm (1.0 in)	54 years	53 of 100 (Notable)
15 April 1999	Perryton 11 WNW, US	daily rain	49.5 mm (1.9 in)	38.8 mm (1.5 in)	29 years	53 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

1801 to 1999

Records set or tied on this calendar date in each year from 1801 to 1999. 1999 had 1,249 records.

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

Records on 04-15 in each year
Year	Records
1801	1
1817	1
1820	1
1844	1
1845	1
1847	1
1849	1
1853	2
1855	2
1858	1
1862	3
1865	3
1866	1
1868	1
1869	2
1873	1
1874	1
1876	1
1880	1
1882	1
1885	3
1886	1
1887	3
1889	2
1890	3
1891	2
1892	8
1893	2
1894	1
1896	2
1897	1
1898	2
1899	4
1900	9
1901	2
1902	4
1903	8
1904	39
1905	11
1906	20
1907	18
1908	15
1909	18
1910	16
1911	20
1912	24
1913	39
1914	17
1915	13
1916	15
1917	35
1918	40
1919	22
1920	50
1921	59
1922	94
1923	178
1924	172
1925	168
1926	453
1927	321
1928	631
1929	91
1930	289
1931	388
1932	150
1933	300
1934	339
1935	515
1936	439
1937	277
1938	596
1939	789
1940	581
1941	628
1942	525
1943	1,037
1944	313
1945	783
1946	245
1947	532
1948	306
1949	419
1950	568
1951	504
1952	357
1953	475
1954	896
1955	484
1956	750
1957	378
1958	458
1959	314
1960	319
1961	877
1962	733
1963	714
1964	382
1965	504
1966	464
1967	599
1968	476
1969	555
1970	841
1971	640
1972	896
1973	667
1974	385
1975	780
1976	1,566
1977	649
1978	426
1979	370
1980	1,066
1981	724
1982	955
1983	1,343
1984	612
1985	788
1986	1,140
1987	579
1988	839
1989	836
1990	837
1991	769
1992	783
1993	1,156
1994	835
1995	805
1996	1,173
1997	1,031
1998	1,752
1999	1,249
2000	1,163
2001	1,043
2002	1,866
2003	1,760
2004	761
2005	583
2006	1,637
2007	1,776
2008	1,157
2009	853
2010	804
2011	1,162
2012	1,007
2013	1,146
2014	1,721
2015	739
2016	602
2017	474
2018	1,913
2019	610
2020	1,068
2021	494
2022	1,145
2023	912
2024	1,096
2025	860
2026	1,118

Download the Data

Data for records on 1999-04-15: 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 100	1,022
100 to 200	9
200 to 300	2
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	1