Weather Records on 27 April 1999

544 weather records were set or tied worldwide on 27 April 1999. Highest significance: Milan Exp STN, US.

Key Facts for 27 April 1999

On 27 April 1999, 544 weather records were set or tied at long-record stations worldwide.
229 were record highs and 157 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 26 monthly and 516 daily.
Milan Exp STN set a daily record precipitation of 91.2 mm (3.6 in) on 27 April 1999.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 475 records.

Record Map

544 stations

544 station records on 27 April 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 April 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milan Exp STN	United States	Record daily precipitation	91.2 mm (3.6 in)	63 of 100 (Major)
South Pass City	United States	Record daily snowfall	30.5 cm (12.0 in)	48 of 100 (Notable)
Lawrence	United States	Record daily precipitation	33.8 mm (1.3 in)	44 of 100 (Notable)
Madrid/Torrejon	Spain	Record daily precipitation	31.6 mm (1.2 in)	42 of 100 (Notable)
The Dalles	United States	Record low minimum temperature	0.0 C (32.0 F)	42 of 100 (Notable)
Lehigh 4 SW	United States	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Brownsville	United States	Record daily precipitation	68.1 mm (2.7 in)	41 of 100 (Notable)
San Jeronimo	Mexico	Record daily precipitation	89.9 mm (3.5 in)	40 of 100 (Notable)
Mahackala	Russia	Record low minimum temperature	3.0 C (37.4 F)	39 of 100 (Notable)
Eastbourne	United Kingdom	Record high minimum temperature	11.6 C (52.9 F)	39 of 100 (Notable)
Manning	United States	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Finca Hamburgo	Mexico	Record daily precipitation	60.2 mm (2.4 in)	38 of 100 (Notable)
Edgerton	United States	Record daily precipitation	53.8 mm (2.1 in)	38 of 100 (Notable)
Santo Domingo	Mexico	Record daily precipitation	110.5 mm (4.4 in)	36 of 100 (Notable)
Cove 1 E	United States	Record low minimum temperature	-4.4 C (24.1 F)	35 of 100 (Notable)
Priest Rvr Exp STN	United States	Record low minimum temperature	-5.0 C (23.0 F)	33 of 100 (Routine)
Table Rock 4N	United States	Record daily precipitation	46.5 mm (1.8 in)	33 of 100 (Routine)
Bertram 3 ENE	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Valdez WSO	United States	Record daily snowfall	5.8 cm (2.3 in)	33 of 100 (Routine)
Boonville 1S	United States	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Clifton	United States	Record daily precipitation	47.5 mm (1.9 in)	32 of 100 (Routine)
Clinton	United States	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
Finca A. Prusia	Mexico	Record low maximum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Shenandoah	United States	Record daily precipitation	41.1 mm (1.6 in)	31 of 100 (Routine)
Selmer	United States	Record daily precipitation	37.1 mm (1.5 in)	31 of 100 (Routine)
Huntsville	United States	Record high maximum temperature	37.2 C (99.0 F)	31 of 100 (Routine)
Jarrell	United States	Record daily precipitation	59.7 mm (2.4 in)	31 of 100 (Routine)
Dubois	United States	Record snow depth	25.4 cm (10.0 in)	31 of 100 (Routine)
Palenque (Dge)	Mexico	Record high minimum temperature	30.6 C (87.1 F)	30 of 100 (Routine)
Guanacevi (Smn)	Mexico	Record high minimum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Union de San Antonio	Mexico	Record high maximum temperature	38.3 C (100.9 F)	30 of 100 (Routine)
Murray	United States	Record daily precipitation	45.0 mm (1.8 in)	30 of 100 (Routine)
Grenfell (Quondong Rd)	Australia	Record low maximum temperature	8.8 C (47.8 F)	29 of 100 (Routine)
Santa Maria del Monte	Mexico	Record high minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Dzitas	Mexico	Record high maximum temperature	43.9 C (111.0 F)	29 of 100 (Routine)
Bedford	United States	Record daily precipitation	35.3 mm (1.4 in)	28 of 100 (Routine)
Axtell	United States	Record daily precipitation	52.1 mm (2.1 in)	28 of 100 (Routine)
Webster Dam	United States	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Auburn 5 ESE	United States	Record daily precipitation	66.5 mm (2.6 in)	28 of 100 (Routine)
Pawnee City	United States	Record daily precipitation	47.8 mm (1.9 in)	28 of 100 (Routine)
Cowra Airport Comparison	Australia	Record low maximum temperature	10.3 C (50.5 F)	27 of 100 (Routine)
Yap Island WSO AP	Federated States of Micronesia	Record daily precipitation	50.3 mm (2.0 in)	27 of 100 (Routine)
Nevada Wtp	United States	Record daily precipitation	64.0 mm (2.5 in)	27 of 100 (Routine)
New Franklin 1W	United States	Record daily precipitation	38.4 mm (1.5 in)	27 of 100 (Routine)
Tecumseh 1S	United States	Record daily precipitation	36.8 mm (1.4 in)	27 of 100 (Routine)
Zacapoaxtla (Smn)	Mexico	Record low minimum temperature	5.6 C (42.1 F)	26 of 100 (Routine)
Clay Ctr	United States	Record daily precipitation	50.0 mm (2.0 in)	26 of 100 (Routine)
Tahlequah	United States	Record daily precipitation	42.2 mm (1.7 in)	26 of 100 (Routine)
Moro	United States	Record low minimum temperature	-3.9 C (25.0 F)	26 of 100 (Routine)
Quandialla Post Office	Australia	Record low maximum temperature	12.4 C (54.3 F)	25 of 100 (Routine)
Chapulco	Mexico	Record high minimum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Claremore 2 ENE	United States	Record daily precipitation	78.2 mm (3.1 in)	25 of 100 (Routine)
Clinton Wwtp	United States	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Saint Paul Is AP	United States	Record snow depth	55.9 cm (22.0 in)	25 of 100 (Routine)
Deqen	China	Record high minimum temperature	7.2 C (45.0 F)	24 of 100 (Routine)
Venadero (Dge)	Mexico	Record high maximum temperature	35.0 C (95.0 F)	24 of 100 (Routine)
Allende	Mexico	Record high minimum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
San Felipe	Mexico	Record high minimum temperature	26.7 C (80.1 F)	24 of 100 (Routine)
Villanueva (Dge)	Mexico	Record low maximum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Madrid/Barajas	Spain	Record daily precipitation	29.6 mm (1.2 in)	24 of 100 (Routine)

Counts by Type and Timescale

544 records

Records set or tied on 27 April 1999 by type: Highest daily maximum 114, Lowest daily maximum 69, Highest daily minimum 115, Lowest daily minimum 88, Heaviest daily rainfall 148, Heaviest daily snowfall 7, Deepest snow cover 3.

Records on 27 April 1999 by type
Record type	Records
Highest daily maximum	114
Lowest daily maximum	69
Highest daily minimum	115
Lowest daily minimum	88
Heaviest daily rainfall	148
Heaviest daily snowfall	7
Deepest snow cover	3

Records on 27 April 1999 by timescale: all-time 2, monthly 26, daily 516.

How Much Records Were Beaten By

411 broken records

Margins by which the 411 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted.

Top 20 by Significance

27 April 1999

Top 20 records on 27 April 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 April 1999	Milan Exp STN, US	daily rain	91.2 mm (3.6 in)	40.4 mm (1.6 in)	86 years	63 of 100 (Major)
27 April 1999	South Pass City, US	daily snowfall	30.5 cm (12.0 in)	15.3 cm (6.0 in)	66 years	48 of 100 (Notable)
27 April 1999	Lawrence, US	daily rain	33.8 mm (1.3 in)	12.0 mm (0.5 in)	81 years	44 of 100 (Notable)
27 April 1999	Madrid/Torrejon, ES	daily rain	31.6 mm (1.2 in)	19.0 mm (0.7 in)	17 years	42 of 100 (Notable)
27 April 1999	The Dalles, US	daily low min	0.0 C (32.0 F)	1.1 C (2.0 F)	98 years	42 of 100 (Notable)
27 April 1999	Lehigh 4 SW, US	daily rain	31.8 mm (1.3 in)	1.8 mm (0.07 in)	101 years	41 of 100 (Notable)
27 April 1999	Brownsville, US	daily rain	68.1 mm (2.7 in)	8.4 mm (0.33 in)	86 years	41 of 100 (Notable)
27 April 1999	San Jeronimo, MX	daily rain	89.9 mm (3.5 in)	40.1 mm (1.6 in)	48 years	40 of 100 (Notable)
27 April 1999	Mahackala, RU	daily low min	3.0 C (37.4 F)	0.4 C (0.7 F)	93 years	39 of 100 (Notable)
27 April 1999	Eastbourne, GB	daily high min	11.6 C (52.9 F)	1.6 C (2.9 F)	85 years	39 of 100 (Notable)
27 April 1999	Manning, US	daily rain	61.0 mm (2.4 in)	24.4 mm (1.0 in)	48 years	39 of 100 (Notable)
27 April 1999	Finca Hamburgo, MX	daily rain	60.2 mm (2.4 in)	42.4 mm (1.7 in)	34 years	38 of 100 (Notable)
27 April 1999	Edgerton, US	daily rain	53.8 mm (2.1 in)	30.7 mm (1.2 in)	8 years	38 of 100 (Notable)
27 April 1999	Santo Domingo, MX	daily rain	110.5 mm (4.4 in)	35.6 mm (1.4 in)	52 years	36 of 100 (Notable)
27 April 1999	Cove 1 E, US	daily low min	-4.4 C (24.1 F)	1.1 C (2.0 F)	80 years	35 of 100 (Notable)
27 April 1999	Priest Rvr Exp STN, US	daily low min	-5.0 C (23.0 F)	0.6 C (1.1 F)	73 years	33 of 100 (Routine)
27 April 1999	Table Rock 4N, US	daily rain	46.5 mm (1.8 in)	14.5 mm (0.6 in)	29 years	33 of 100 (Routine)
27 April 1999	Bertram 3 ENE, US	daily rain	50.8 mm (2.0 in)	35.3 mm (1.4 in)	29 years	33 of 100 (Routine)
27 April 1999	Valdez WSO, US	daily snowfall	5.8 cm (2.3 in)	2.0 cm (0.8 in)	80 years	33 of 100 (Routine)
27 April 1999	Boonville 1S, US	daily rain	34.5 mm (1.4 in)	5.0 mm (0.20 in)	64 years	32 of 100 (Routine)

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

1795 to 1999

Records set or tied on this calendar date in each year from 1795 to 1999. 1999 had 544 records.

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

Records on 04-27 in each year
Year	Records
1795	1
1801	1
1802	2
1812	1
1814	1
1817	3
1828	1
1838	1
1841	1
1843	1
1852	1
1853	1
1855	1
1856	1
1857	1
1862	2
1873	2
1874	4
1879	1
1882	2
1884	2
1885	5
1887	1
1888	4
1890	3
1891	1
1892	3
1893	3
1894	7
1895	2
1896	3
1897	4
1899	5
1900	4
1901	3
1903	5
1904	11
1905	16
1906	13
1907	31
1908	27
1909	51
1910	8
1911	37
1912	5
1913	73
1914	19
1915	77
1916	36
1917	47
1918	55
1919	69
1920	44
1921	71
1922	151
1923	110
1924	103
1925	113
1926	287
1927	114
1928	404
1929	71
1930	80
1931	454
1932	331
1933	328
1934	275
1935	227
1936	97
1937	377
1938	467
1939	212
1940	268
1941	361
1942	569
1943	374
1944	214
1945	476
1946	512
1947	373
1948	535
1949	516
1950	617
1951	409
1952	722
1953	651
1954	875
1955	937
1956	685
1957	552
1958	461
1959	470
1960	684
1961	313
1962	741
1963	768
1964	711
1965	568
1966	1,282
1967	733
1968	372
1969	543
1970	1,142
1971	758
1972	645
1973	1,188
1974	926
1975	820
1976	810
1977	801
1978	694
1979	758
1980	706
1981	1,148
1982	685
1983	921
1984	1,754
1985	1,141
1986	1,225
1987	1,482
1988	893
1989	1,320
1990	1,321
1991	1,028
1992	2,163
1993	1,285
1994	1,614
1995	806
1996	1,034
1997	1,588
1998	872
1999	544
2000	1,171
2001	1,138
2002	1,024
2003	840
2004	937
2005	675
2006	705
2007	1,055
2008	1,032
2009	1,299
2010	751
2011	1,291
2012	1,015
2013	568
2014	656
2015	608
2016	755
2017	918
2018	407
2019	626
2020	497
2021	450
2022	567
2023	536
2024	574
2025	659
2026	450

Download the Data

Data for records on 1999-04-27: 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 20	390
20 to 40	14
40 to 60	3
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	2
140 to 160	2