Weather Records on 27 April 1991

1,028 weather records were set or tied worldwide on 27 April 1991. Highest significance: Epping, US.

Key Facts for 27 April 1991

On 27 April 1991, 1,028 weather records were set or tied at long-record stations worldwide.
414 were record highs and 159 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 74 monthly and 948 daily.
Epping set a daily record precipitation of 38.1 mm (1.5 in) on 27 April 1991.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 472 records.

Record Map

1,028 stations

1,028 station records on 27 April 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 April 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Epping	United States	Record daily precipitation	38.1 mm (1.5 in)	71 of 100 (Major)
Poplar 2 E	United States	Record daily precipitation	32.0 mm (1.3 in)	66 of 100 (Major)
Hamelin Station	Australia	Record daily precipitation	53.0 mm (2.1 in)	65 of 100 (Major)
Bombala (Therry Street)	Australia	Record daily precipitation	45.4 mm (1.8 in)	61 of 100 (Major)
Wynne	United States	Record daily precipitation	100.1 mm (3.9 in)	61 of 100 (Major)
Bukalong Station	Australia	Record daily precipitation	42.8 mm (1.7 in)	58 of 100 (Notable)
Saratow	Russia	Record daily precipitation	28.2 mm (1.1 in)	58 of 100 (Notable)
Mc Farland	United States	Record daily precipitation	102.9 mm (4.1 in)	58 of 100 (Notable)
Porto Tiradentes	Brazil	Record daily precipitation	56.6 mm (2.2 in)	52 of 100 (Notable)
Clarion	United States	Record daily precipitation	86.6 mm (3.4 in)	52 of 100 (Notable)
Clover Valley	United States	Record daily snowfall	7.6 cm (3.0 in)	52 of 100 (Notable)
Hamelin Pool	Australia	Record daily precipitation	35.6 mm (1.4 in)	51 of 100 (Notable)
Pico Do Itapeva	Brazil	Record daily precipitation	96.3 mm (3.8 in)	51 of 100 (Notable)
Horto Florestal	Brazil	Record daily precipitation	76.4 mm (3.0 in)	51 of 100 (Notable)
Pirassununga	Brazil	Record daily precipitation	59.7 mm (2.4 in)	50 of 100 (Notable)
Napoleon	United States	Record daily precipitation	53.8 mm (2.1 in)	50 of 100 (Notable)
Conceicao Do Rio Verde	Brazil	Record daily precipitation	72.3 mm (2.8 in)	49 of 100 (Notable)
Alta Vista	United States	Record daily precipitation	105.7 mm (4.2 in)	49 of 100 (Notable)
Plentywood	United States	Record daily precipitation	33.0 mm (1.3 in)	49 of 100 (Notable)
Koosharem	United States	Record daily snowfall	5.1 cm (2.0 in)	48 of 100 (Notable)
Vila Capivari	Brazil	Record daily precipitation	52.0 mm (2.0 in)	47 of 100 (Notable)
Valenca	Brazil	Record daily precipitation	88.0 mm (3.5 in)	46 of 100 (Notable)
Ibitiuva	Brazil	Record daily precipitation	65.7 mm (2.6 in)	46 of 100 (Notable)
Cochetopa Creek	United States	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Ft Dodge 5NNW	United States	Record daily precipitation	71.4 mm (2.8 in)	46 of 100 (Notable)
Vinton	United States	Record daily precipitation	35.8 mm (1.4 in)	46 of 100 (Notable)
Lindoia	Brazil	Record daily precipitation	55.2 mm (2.2 in)	45 of 100 (Notable)
Washta	United States	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Piquete	Brazil	Record daily precipitation	50.0 mm (2.0 in)	43 of 100 (Notable)
Itapira	Brazil	Record daily precipitation	42.3 mm (1.7 in)	43 of 100 (Notable)
Forest City 2 NNE	United States	Record daily precipitation	35.1 mm (1.4 in)	43 of 100 (Notable)
Mt Ayr	United States	Record daily precipitation	41.7 mm (1.6 in)	43 of 100 (Notable)
Moreli (Parada Moreli)	Brazil	Record daily precipitation	52.4 mm (2.1 in)	42 of 100 (Notable)
Karabulak	Russia	Record daily precipitation	27.7 mm (1.1 in)	42 of 100 (Notable)
Loei	Thailand	Record daily precipitation	96.0 mm (3.8 in)	42 of 100 (Notable)
Lake Maumelle	United States	Record daily precipitation	90.7 mm (3.6 in)	42 of 100 (Notable)
Morrilton	United States	Record daily precipitation	62.2 mm (2.4 in)	42 of 100 (Notable)
Horton	United States	Record daily precipitation	79.2 mm (3.1 in)	42 of 100 (Notable)
Miami	United States	Record daily precipitation	49.3 mm (1.9 in)	42 of 100 (Notable)
Chakola (Riversdale)	Australia	Record daily precipitation	36.0 mm (1.4 in)	41 of 100 (Notable)
Jambeiro	Brazil	Record daily precipitation	55.7 mm (2.2 in)	41 of 100 (Notable)
Batesville L&D 1	United States	Record daily precipitation	50.0 mm (2.0 in)	41 of 100 (Notable)
Independence	United States	Record daily precipitation	69.6 mm (2.7 in)	41 of 100 (Notable)
Donaldsonville 4 SW	United States	Record daily precipitation	105.9 mm (4.2 in)	41 of 100 (Notable)
Gorum Fire Twr	United States	Record daily precipitation	90.2 mm (3.6 in)	41 of 100 (Notable)
Poplar 2 E	United States	Record snow depth	10.2 cm (4.0 in)	41 of 100 (Notable)
Spanish Fk Pwr House	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Paraiso	Mexico	Record high maximum temperature	43.9 C (111.0 F)	40 of 100 (Notable)
Black Rock	United States	Record daily precipitation	58.7 mm (2.3 in)	40 of 100 (Notable)
Paradis 7 S	United States	Record daily precipitation	116.8 mm (4.6 in)	40 of 100 (Notable)
Angleton 2 W	United States	Record high minimum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Eden (Timbillica)	Australia	Record daily precipitation	46.2 mm (1.8 in)	39 of 100 (Notable)
Madre de Deus de Minas	Brazil	Record daily precipitation	38.3 mm (1.5 in)	39 of 100 (Notable)
Rio da Cidade	Brazil	Record daily precipitation	58.5 mm (2.3 in)	39 of 100 (Notable)
Elberton 2 N	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Grundy Ctr	United States	Record daily precipitation	46.7 mm (1.8 in)	39 of 100 (Notable)
Postville	United States	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Bredette	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Moscow	United States	Record daily precipitation	50.3 mm (2.0 in)	39 of 100 (Notable)
Tuscola	United States	Record high minimum temperature	17.2 C (63.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,028 records

Records set or tied on 27 April 1991 by type: Highest daily maximum 126, Lowest daily maximum 66, Highest daily minimum 288, Lowest daily minimum 93, Heaviest daily rainfall 416, Heaviest daily snowfall 30, Deepest snow cover 9.

Records on 27 April 1991 by type
Record type	Records
Highest daily maximum	126
Lowest daily maximum	66
Highest daily minimum	288
Lowest daily minimum	93
Heaviest daily rainfall	416
Heaviest daily snowfall	30
Deepest snow cover	9

Records on 27 April 1991 by timescale: all-time 6, monthly 74, daily 948.

How Much Records Were Beaten By

786 broken records

Margins by which the 786 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

27 April 1991

Top 20 records on 27 April 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 April 1991	Epping, US	daily rain	38.1 mm (1.5 in)	26.7 mm (1.1 in)	76 years	71 of 100 (Major)
27 April 1991	Poplar 2 E, US	daily rain	32.0 mm (1.3 in)	22.3 mm (0.9 in)	68 years	66 of 100 (Major)
27 April 1991	Hamelin Station, AU	daily rain	53.0 mm (2.1 in)	53.0 mm (2.1 in)	66 years	65 of 100 (Major)
27 April 1991	Bombala (Therry Street), AU	daily rain	45.4 mm (1.8 in)	20.3 mm (0.8 in)	97 years	61 of 100 (Major)
27 April 1991	Wynne, US	daily rain	100.1 mm (3.9 in)	64.5 mm (2.5 in)	68 years	61 of 100 (Major)
27 April 1991	Bukalong Station, AU	daily rain	42.8 mm (1.7 in)	18.4 mm (0.7 in)	97 years	58 of 100 (Notable)
27 April 1991	Saratow, RU	daily rain	28.2 mm (1.1 in)	19.4 mm (0.8 in)	44 years	58 of 100 (Notable)
27 April 1991	Mc Farland, US	monthly rain	102.9 mm (4.1 in)	32.8 mm (1.3 in)	42 years	58 of 100 (Notable)
27 April 1991	Porto Tiradentes, BR	daily rain	56.6 mm (2.2 in)	49.1 mm (1.9 in)	34 years	52 of 100 (Notable)
27 April 1991	Clarion, US	daily rain	86.6 mm (3.4 in)	42.7 mm (1.7 in)	26 years	52 of 100 (Notable)
27 April 1991	Clover Valley, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	93 years	52 of 100 (Notable)
27 April 1991	Hamelin Pool, AU	daily rain	35.6 mm (1.4 in)	33.6 mm (1.3 in)	25 years	51 of 100 (Notable)
27 April 1991	Pico Do Itapeva, BR	daily rain	96.3 mm (3.8 in)	66.3 mm (2.6 in)	26 years	51 of 100 (Notable)
27 April 1991	Horto Florestal, BR	daily rain	76.4 mm (3.0 in)	57.4 mm (2.3 in)	26 years	51 of 100 (Notable)
27 April 1991	Pirassununga, BR	daily rain	59.7 mm (2.4 in)	53.8 mm (2.1 in)	17 years	50 of 100 (Notable)
27 April 1991	Napoleon, US	daily rain	53.8 mm (2.1 in)	28.1 mm (1.1 in)	6 years	50 of 100 (Notable)
27 April 1991	Conceicao Do Rio Verde, BR	daily rain	72.3 mm (2.8 in)	45.0 mm (1.8 in)	29 years	49 of 100 (Notable)
27 April 1991	Alta Vista, US	monthly rain	105.7 mm (4.2 in)	36.9 mm (1.5 in)	21 years	49 of 100 (Notable)
27 April 1991	Plentywood, US	daily rain	33.0 mm (1.3 in)	18.5 mm (0.7 in)	36 years	49 of 100 (Notable)
27 April 1991	Koosharem, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	96 years	48 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

1795 to 1991

Records set or tied on this calendar date in each year from 1795 to 1991. 1991 had 1,028 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 1991-04-27: 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	682
20 to 40	71
40 to 60	22
60 to 80	8
80 to 100	0
100 to 120	2
120 to 140	1