Weather Records on 9 April 1999

1,848 weather records were set or tied worldwide on 9 April 1999. Highest significance: Sogndal - Selseng, NO.

Key Facts for 9 April 1999

On 9 April 1999, 1,848 weather records were set or tied at long-record stations worldwide.
995 were record highs and 381 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 84 monthly and 1,761 daily.
Sogndal - Selseng set a monthly record daily precipitation of 70.2 mm (2.8 in) on 9 April 1999.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 456 records.

Record Map

1,848 stations

1,848 station records on 9 April 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 April 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sogndal - Selseng	Norway	Record daily precipitation	70.2 mm (2.8 in)	73 of 100 (Major)
Normanton Post Office	Australia	Record daily precipitation	102.0 mm (4.0 in)	71 of 100 (Major)
Pipestone	United States	Record daily precipitation	49.8 mm (2.0 in)	70 of 100 (Major)
Myklebust I Breim	Norway	Record daily precipitation	43.5 mm (1.7 in)	68 of 100 (Major)
Maristova	Norway	Record daily precipitation	45.3 mm (1.8 in)	66 of 100 (Major)
Vik I Sogn III	Norway	Record daily precipitation	47.9 mm (1.9 in)	66 of 100 (Major)
Gregory	United States	Record daily precipitation	56.1 mm (2.2 in)	66 of 100 (Major)
Tyndall	United States	Record daily precipitation	39.1 mm (1.5 in)	64 of 100 (Major)
Mt Carroll	United States	Record daily precipitation	42.9 mm (1.7 in)	62 of 100 (Major)
Butte	United States	Record daily precipitation	47.8 mm (1.9 in)	62 of 100 (Major)
Lavik	Norway	Record daily precipitation	140.7 mm (5.5 in)	60 of 100 (Major)
Bulken	Norway	Record daily precipitation	68.2 mm (2.7 in)	58 of 100 (Notable)
Rorvikvatn Ved Vadheim	Norway	Record daily precipitation	85.2 mm (3.4 in)	58 of 100 (Notable)
Vinton	United States	Record daily precipitation	41.4 mm (1.6 in)	58 of 100 (Notable)
Bidyadanga	Australia	Record daily precipitation	82.6 mm (3.3 in)	56 of 100 (Notable)
Botnen I Forde	Norway	Record daily precipitation	88.0 mm (3.5 in)	56 of 100 (Notable)
Briksdal	Norway	Record daily precipitation	55.6 mm (2.2 in)	55 of 100 (Notable)
Grand Meadow	United States	Record daily precipitation	46.7 mm (1.8 in)	55 of 100 (Notable)
Wells	United States	Record daily precipitation	44.2 mm (1.7 in)	55 of 100 (Notable)
Lynch	United States	Record daily precipitation	41.7 mm (1.6 in)	55 of 100 (Notable)
Marshalltown	United States	Record daily precipitation	68.3 mm (2.7 in)	54 of 100 (Notable)
Tyler	United States	Record daily precipitation	45.7 mm (1.8 in)	54 of 100 (Notable)
Mansfield 5 W	United States	Record daily precipitation	45.7 mm (1.8 in)	54 of 100 (Notable)
Ovstedal	Norway	Record daily precipitation	123.5 mm (4.9 in)	53 of 100 (Notable)
Hafslo	Norway	Record daily precipitation	57.5 mm (2.3 in)	53 of 100 (Notable)
Springfield 1 NW	United States	Record daily precipitation	55.9 mm (2.2 in)	53 of 100 (Notable)
Richland Ctr	United States	Record daily precipitation	50.8 mm (2.0 in)	53 of 100 (Notable)
Potlatch 3 NNE	United States	Record daily snowfall	7.6 cm (3.0 in)	52 of 100 (Notable)
Tracy	United States	Record daily precipitation	47.5 mm (1.9 in)	52 of 100 (Notable)
Springview 2NW	United States	Record daily precipitation	37.6 mm (1.5 in)	52 of 100 (Notable)
Coshocton Wpc Plt	United States	Record daily precipitation	57.2 mm (2.3 in)	52 of 100 (Notable)
Port Washington	United States	Record daily precipitation	38.9 mm (1.5 in)	51 of 100 (Notable)
Keokuk L&D 19	United States	Record daily precipitation	36.1 mm (1.4 in)	50 of 100 (Notable)
St James Wwtp	United States	Record daily precipitation	44.5 mm (1.8 in)	50 of 100 (Notable)
Academy 2NE	United States	Record daily precipitation	43.4 mm (1.7 in)	50 of 100 (Notable)
Froyset	Norway	Record daily precipitation	60.7 mm (2.4 in)	49 of 100 (Notable)
Indianola 1SW	United States	Record daily precipitation	53.8 mm (2.1 in)	49 of 100 (Notable)
Washington	United States	Record daily precipitation	45.7 mm (1.8 in)	49 of 100 (Notable)
Fremont	United States	Record daily precipitation	33.0 mm (1.3 in)	49 of 100 (Notable)
Oconomowoc Wwtp	United States	Record daily precipitation	35.1 mm (1.4 in)	49 of 100 (Notable)
Skei I Jolster	Norway	Record daily precipitation	70.5 mm (2.8 in)	48 of 100 (Notable)
Uppsala_Aut	Sweden	Record high minimum temperature	6.5 C (43.7 F)	48 of 100 (Notable)
Eksingedal	Norway	Record daily precipitation	67.0 mm (2.6 in)	47 of 100 (Notable)
Fana - Stend	Norway	Record daily precipitation	70.5 mm (2.8 in)	47 of 100 (Notable)
Hatlestrand	Norway	Record daily precipitation	61.5 mm (2.4 in)	47 of 100 (Notable)
Lamberton SW Rsch & Outreach C	United States	Record daily precipitation	44.5 mm (1.8 in)	46 of 100 (Notable)
Hoytville 2 NE	United States	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Mt Sophia	Australia	Record daily precipitation	206.0 mm (8.1 in)	45 of 100 (Notable)
Hovlandsdal	Norway	Record daily precipitation	103.0 mm (4.1 in)	45 of 100 (Notable)
Stornoway Airport	United Kingdom	Record high minimum temperature	9.5 C (49.1 F)	45 of 100 (Notable)
American Falls 6 NE	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Dubois Exp STN	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Mason City	United States	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Albion	United States	Record daily precipitation	26.2 mm (1.0 in)	45 of 100 (Notable)
Fairmont	United States	Record daily precipitation	47.0 mm (1.9 in)	45 of 100 (Notable)
Glenwillard Dashields L&D	United States	Record daily precipitation	43.7 mm (1.7 in)	45 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Alton	United States	Record daily precipitation	27.4 mm (1.1 in)	44 of 100 (Notable)
Waseca S Rsch & Outreach Ctr	United States	Record daily precipitation	36.8 mm (1.4 in)	44 of 100 (Notable)
Grants Pass	United States	Record low maximum temperature	6.7 C (44.1 F)	44 of 100 (Notable)

Counts by Type and Timescale

1,848 records

Records set or tied on 9 April 1999 by type: Highest daily maximum 384, Lowest daily maximum 213, Highest daily minimum 611, Lowest daily minimum 168, Heaviest daily rainfall 364, Heaviest daily snowfall 57, Deepest snow cover 51.

Records on 9 April 1999 by type
Record type	Records
Highest daily maximum	384
Lowest daily maximum	213
Highest daily minimum	611
Lowest daily minimum	168
Heaviest daily rainfall	364
Heaviest daily snowfall	57
Deepest snow cover	51

Records on 9 April 1999 by timescale: all-time 3, monthly 84, daily 1,761.

How Much Records Were Beaten By

1,410 broken records

Margins by which the 1,410 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

9 April 1999

Top 20 records on 9 April 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 April 1999	Sogndal - Selseng, NO	monthly rain	70.2 mm (2.8 in)	28.7 mm (1.1 in)	43 years	73 of 100 (Major)
9 April 1999	Normanton Post Office, AU	daily rain	102.0 mm (4.0 in)	75.8 mm (3.0 in)	72 years	71 of 100 (Major)
9 April 1999	Pipestone, US	daily rain	49.8 mm (2.0 in)	28.0 mm (1.1 in)	84 years	70 of 100 (Major)
9 April 1999	Myklebust I Breim, NO	daily rain	43.5 mm (1.7 in)	22.3 mm (0.9 in)	82 years	68 of 100 (Major)
9 April 1999	Maristova, NO	daily rain	45.3 mm (1.8 in)	32.7 mm (1.3 in)	56 years	66 of 100 (Major)
9 April 1999	Vik I Sogn III, NO	daily rain	47.9 mm (1.9 in)	22.8 mm (0.9 in)	56 years	66 of 100 (Major)
9 April 1999	Gregory, US	daily rain	56.1 mm (2.2 in)	39.6 mm (1.6 in)	57 years	66 of 100 (Major)
9 April 1999	Tyndall, US	daily rain	39.1 mm (1.5 in)	26.7 mm (1.1 in)	85 years	64 of 100 (Major)
9 April 1999	Mt Carroll, US	daily rain	42.9 mm (1.7 in)	23.1 mm (0.9 in)	92 years	62 of 100 (Major)
9 April 1999	Butte, US	daily rain	47.8 mm (1.9 in)	27.5 mm (1.1 in)	85 years	62 of 100 (Major)
9 April 1999	Lavik, NO	monthly rain	140.7 mm (5.5 in)	65.6 mm (2.6 in)	22 years	60 of 100 (Major)
9 April 1999	Bulken, NO	monthly rain	68.2 mm (2.7 in)	15.0 mm (0.6 in)	59 years	58 of 100 (Notable)
9 April 1999	Rorvikvatn Ved Vadheim, NO	monthly rain	85.2 mm (3.4 in)	31.6 mm (1.2 in)	38 years	58 of 100 (Notable)
9 April 1999	Vinton, US	daily rain	41.4 mm (1.6 in)	19.6 mm (0.8 in)	102 years	58 of 100 (Notable)
9 April 1999	Bidyadanga, AU	daily rain	82.6 mm (3.3 in)	66.6 mm (2.6 in)	65 years	56 of 100 (Notable)
9 April 1999	Botnen I Forde, NO	daily rain	88.0 mm (3.5 in)	49.3 mm (1.9 in)	22 years	56 of 100 (Notable)
9 April 1999	Briksdal, NO	daily rain	55.6 mm (2.2 in)	40.6 mm (1.6 in)	16 years	55 of 100 (Notable)
9 April 1999	Grand Meadow, US	daily rain	46.7 mm (1.8 in)	16.2 mm (0.6 in)	94 years	55 of 100 (Notable)
9 April 1999	Wells, US	daily rain	44.2 mm (1.7 in)	26.7 mm (1.1 in)	46 years	55 of 100 (Notable)
9 April 1999	Lynch, US	daily rain	41.7 mm (1.6 in)	28.5 mm (1.1 in)	57 years	55 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

1793 to 1999

Records set or tied on this calendar date in each year from 1793 to 1999. 1999 had 1,848 records.

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

Records on 04-09 in each year
Year	Records
1793	2
1798	1
1800	1
1805	1
1809	2
1812	2
1815	1
1818	1
1839	1
1842	2
1844	1
1846	1
1847	1
1849	1
1854	1
1856	1
1859	1
1862	1
1863	1
1864	1
1865	2
1866	2
1869	1
1871	2
1873	1
1877	1
1883	1
1884	1
1885	3
1886	1
1887	1
1888	3
1889	1
1890	7
1892	1
1893	1
1894	2
1895	4
1896	1
1897	3
1898	3
1899	9
1900	3
1901	8
1902	8
1903	12
1904	15
1905	21
1906	20
1907	21
1908	28
1909	25
1910	19
1911	21
1912	51
1913	16
1914	41
1915	89
1916	85
1917	105
1918	29
1919	67
1920	56
1921	114
1922	140
1923	79
1924	353
1925	129
1926	83
1927	260
1928	395
1929	402
1930	430
1931	193
1932	119
1933	320
1934	310
1935	398
1936	151
1937	172
1938	378
1939	282
1940	214
1941	297
1942	432
1943	752
1944	564
1945	1,055
1946	335
1947	174
1948	365
1949	179
1950	750
1951	304
1952	578
1953	638
1954	239
1955	484
1956	371
1957	502
1958	294
1959	634
1960	623
1961	879
1962	344
1963	390
1964	645
1965	651
1966	466
1967	743
1968	669
1969	898
1970	489
1971	576
1972	1,200
1973	1,695
1974	972
1975	968
1976	347
1977	1,693
1978	921
1979	855
1980	911
1981	785
1982	1,923
1983	1,170
1984	904
1985	1,424
1986	620
1987	604
1988	737
1989	1,402
1990	888
1991	1,545
1992	641
1993	687
1994	511
1995	1,296
1996	1,547
1997	2,686
1998	1,018
1999	1,848
2000	997
2001	1,947
2002	590
2003	1,781
2004	572
2005	998
2006	603
2007	1,412
2008	1,029
2009	802
2010	652
2011	1,480
2012	640
2013	1,245
2014	592
2015	664
2016	974
2017	759
2018	1,306
2019	716
2020	916
2021	642
2022	574
2023	512
2024	1,093
2025	530
2026	517

Download the Data

Data for records on 1999-04-09: 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	1,357
50 to 100	28
100 to 150	16
150 to 200	6
200 to 250	3