Weather Records on 30 April 1991

828 weather records were set or tied worldwide on 30 April 1991. Highest significance: Red Lake Indian Agcy, US.

Key Facts for 30 April 1991

On 30 April 1991, 828 weather records were set or tied at long-record stations worldwide.
312 were record highs and 161 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 42 monthly and 783 daily.
Red Lake Indian Agcy set a daily record precipitation of 34.3 mm (1.4 in) on 30 April 1991.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 444 records.

Record Map

828 stations

828 station records on 30 April 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Red Lake Indian Agcy	United States	Record daily precipitation	34.3 mm (1.4 in)	70 of 100 (Major)
Bad Ems	Germany	Record daily precipitation	27.0 mm (1.1 in)	63 of 100 (Major)
Little Hills	United States	Record daily snowfall	25.9 cm (10.2 in)	57 of 100 (Notable)
Little Hills	United States	Record snow depth	25.4 cm (10.0 in)	57 of 100 (Notable)
Rhein Main	Germany	Record daily precipitation	30.9 mm (1.2 in)	55 of 100 (Notable)
Koblenz-Horchheim	Germany	Record daily precipitation	26.3 mm (1.0 in)	54 of 100 (Notable)
Nidderau-Windecken	Germany	Record daily precipitation	32.6 mm (1.3 in)	54 of 100 (Notable)
Fernandina Beach	United States	Record daily precipitation	82.3 mm (3.2 in)	54 of 100 (Notable)
Cass Lake	United States	Record daily precipitation	33.5 mm (1.3 in)	54 of 100 (Notable)
Offenbach/M. (Stadt)	Germany	Record daily precipitation	28.3 mm (1.1 in)	51 of 100 (Notable)
Wahpeton 3 N	United States	Record daily precipitation	57.2 mm (2.3 in)	51 of 100 (Notable)
Peterboro 2 S	United States	Record daily precipitation	45.7 mm (1.8 in)	50 of 100 (Notable)
Yemassee 1 N	United States	Record daily precipitation	83.6 mm (3.3 in)	50 of 100 (Notable)
Mombetsu	Japan	Record daily precipitation	42.9 mm (1.7 in)	48 of 100 (Notable)
Homberg/Ohm	Germany	Record daily precipitation	31.9 mm (1.3 in)	46 of 100 (Notable)
Budingen	Germany	Record daily precipitation	26.5 mm (1.0 in)	46 of 100 (Notable)
Jacup Dam	Australia	Record daily precipitation	40.0 mm (1.6 in)	45 of 100 (Notable)
Collins	United States	Record daily precipitation	109.0 mm (4.3 in)	45 of 100 (Notable)
San Luis San Pedro	Mexico	Record high maximum temperature	40.6 C (105.1 F)	44 of 100 (Notable)
Ada	United States	Record daily precipitation	49.8 mm (2.0 in)	44 of 100 (Notable)
Cherry Point MCAS	United States	Record daily precipitation	75.4 mm (3.0 in)	44 of 100 (Notable)
Uccle	Belgium	Record daily precipitation	25.2 mm (1.0 in)	43 of 100 (Notable)
Mayen	Germany	Record daily precipitation	28.0 mm (1.1 in)	43 of 100 (Notable)
Rangely 1E	United States	Record daily snowfall	14.0 cm (5.5 in)	43 of 100 (Notable)
Argyle	United States	Record daily precipitation	32.8 mm (1.3 in)	43 of 100 (Notable)
Mocksville 5SE	United States	Record daily precipitation	66.0 mm (2.6 in)	43 of 100 (Notable)
Freudenstadt	Germany	Record daily precipitation	54.1 mm (2.1 in)	42 of 100 (Notable)
Glenwood Spgs #2	United States	Record daily snowfall	8.9 cm (3.5 in)	42 of 100 (Notable)
Ashburnham	United States	Record daily precipitation	42.7 mm (1.7 in)	42 of 100 (Notable)
Long Prairie	United States	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
Pelican Rapids	United States	Record daily precipitation	53.1 mm (2.1 in)	42 of 100 (Notable)
Brookings 2 NE	United States	Record daily precipitation	36.6 mm (1.4 in)	42 of 100 (Notable)
Oklee	United States	Record daily precipitation	31.0 mm (1.2 in)	41 of 100 (Notable)
Sumrall	United States	Record daily precipitation	123.4 mm (4.9 in)	41 of 100 (Notable)
Sharon	United States	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Iroquois	United States	Record daily precipitation	34.8 mm (1.4 in)	41 of 100 (Notable)
Marlinton	United States	Record high minimum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Green Rvr	United States	Record snow depth	10.2 cm (4.0 in)	41 of 100 (Notable)
Atlantic City Marina	United States	Record high maximum temperature	27.2 C (81.0 F)	41 of 100 (Notable)
Grand Forks Intl AP	United States	Record daily snowfall	11.4 cm (4.5 in)	41 of 100 (Notable)
Schneifelforsthaus	Germany	Record daily precipitation	28.7 mm (1.1 in)	40 of 100 (Notable)
Halstad	United States	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Columbia	United States	Record daily precipitation	97.0 mm (3.8 in)	40 of 100 (Notable)
Weston	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Delta	United States	Record low minimum temperature	-4.4 C (24.1 F)	38 of 100 (Notable)
Abercrombie	United States	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Plant City	United States	Record high minimum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record daily precipitation	57.2 mm (2.3 in)	37 of 100 (Notable)
Glenwood 2WNW	United States	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Indus 3 W	United States	Record daily precipitation	27.2 mm (1.1 in)	37 of 100 (Notable)
Itasca UNIV of Minn	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Hankinson	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Monticello 2E	United States	Record low minimum temperature	-9.4 C (15.1 F)	37 of 100 (Notable)
Clarksburg 1	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Huatusco de Chicuellar	Mexico	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Federal Pt	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Saint Leo	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Gull Lake Dam	United States	Record daily precipitation	26.7 mm (1.1 in)	36 of 100 (Notable)
Mahnomen	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)

Counts by Type and Timescale

828 records

Records set or tied on 30 April 1991 by type: Highest daily maximum 72, Lowest daily maximum 52, Highest daily minimum 240, Lowest daily minimum 109, Heaviest daily rainfall 317, Heaviest daily snowfall 22, Deepest snow cover 16.

Records on 30 April 1991 by type
Record type	Records
Highest daily maximum	72
Lowest daily maximum	52
Highest daily minimum	240
Lowest daily minimum	109
Heaviest daily rainfall	317
Heaviest daily snowfall	22
Deepest snow cover	16

Records on 30 April 1991 by timescale: all-time 3, monthly 42, daily 783.

How Much Records Were Beaten By

654 broken records

Margins by which the 654 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 259.0. Ties are not counted.

Top 20 by Significance

30 April 1991

Top 20 records on 30 April 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1991	Red Lake Indian Agcy, US	daily rain	34.3 mm (1.4 in)	25.7 mm (1.0 in)	78 years	70 of 100 (Major)
30 April 1991	Bad Ems, DE	daily rain	27.0 mm (1.1 in)	18.5 mm (0.7 in)	58 years	63 of 100 (Major)
30 April 1991	Little Hills, US	daily snowfall	25.9 cm (10.2 in)	25.9 cm (10.2 in)	44 years	57 of 100 (Notable)
30 April 1991	Little Hills, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	44 years	57 of 100 (Notable)
30 April 1991	Rhein Main, DE	daily rain	30.9 mm (1.2 in)	20.2 mm (0.8 in)	33 years	55 of 100 (Notable)
30 April 1991	Koblenz-Horchheim, DE	daily rain	26.3 mm (1.0 in)	20.8 mm (0.8 in)	33 years	54 of 100 (Notable)
30 April 1991	Nidderau-Windecken, DE	daily rain	32.6 mm (1.3 in)	22.5 mm (0.9 in)	29 years	54 of 100 (Notable)
30 April 1991	Fernandina Beach, US	daily rain	82.3 mm (3.2 in)	30.2 mm (1.2 in)	82 years	54 of 100 (Notable)
30 April 1991	Cass Lake, US	daily rain	33.5 mm (1.3 in)	26.4 mm (1.0 in)	32 years	54 of 100 (Notable)
30 April 1991	Offenbach/M. (Stadt), DE	daily rain	28.3 mm (1.1 in)	21.1 mm (0.8 in)	29 years	51 of 100 (Notable)
30 April 1991	Wahpeton 3 N, US	daily rain	57.2 mm (2.3 in)	22.1 mm (0.9 in)	53 years	51 of 100 (Notable)
30 April 1991	Peterboro 2 S, US	daily rain	45.7 mm (1.8 in)	16.5 mm (0.6 in)	88 years	50 of 100 (Notable)
30 April 1991	Yemassee 1 N, US	daily rain	83.6 mm (3.3 in)	36.6 mm (1.4 in)	53 years	50 of 100 (Notable)
30 April 1991	Mombetsu, JP	daily rain	42.9 mm (1.7 in)	29.4 mm (1.2 in)	17 years	48 of 100 (Notable)
30 April 1991	Homberg/Ohm, DE	daily rain	31.9 mm (1.3 in)	19.8 mm (0.8 in)	6 years	46 of 100 (Notable)
30 April 1991	Budingen, DE	daily rain	26.5 mm (1.0 in)	15.8 mm (0.6 in)	29 years	46 of 100 (Notable)
30 April 1991	Jacup Dam, AU	daily rain	40.0 mm (1.6 in)	32.0 mm (1.3 in)	6 years	45 of 100 (Notable)
30 April 1991	Collins, US	daily rain	109.0 mm (4.3 in)	52.9 mm (2.1 in)	58 years	45 of 100 (Notable)
30 April 1991	San Luis San Pedro, MX	daily high max	40.6 C (105.1 F)	6.2 C (11.2 F)	14 years	44 of 100 (Notable)
30 April 1991	Ada, US	daily rain	49.8 mm (2.0 in)	16.0 mm (0.6 in)	53 years	44 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 828 records.

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

Records on 04-30 in each year
Year	Records
1795	1
1804	1
1809	1
1812	1
1814	2
1833	1
1840	1
1848	1
1850	1
1853	1
1854	1
1856	1
1859	1
1862	1
1864	1
1865	1
1866	3
1872	1
1873	1
1874	2
1876	1
1878	4
1879	2
1880	1
1881	1
1882	1
1884	1
1885	1
1886	5
1888	1
1889	1
1891	5
1892	7
1894	1
1895	5
1896	3
1897	2
1898	6
1899	11
1900	4
1901	8
1902	13
1903	21
1904	11
1905	9
1906	16
1907	35
1908	28
1909	74
1910	17
1911	19
1912	18
1913	62
1914	8
1915	20
1916	21
1917	25
1918	28
1919	130
1920	70
1921	54
1922	138
1923	42
1924	96
1925	210
1926	331
1927	127
1928	130
1929	119
1930	232
1931	548
1932	145
1933	422
1934	443
1935	327
1936	373
1937	228
1938	282
1939	268
1940	526
1941	484
1942	1,163
1943	470
1944	286
1945	314
1946	301
1947	330
1948	912
1949	447
1950	671
1951	783
1952	435
1953	635
1954	1,224
1955	1,252
1956	908
1957	401
1958	482
1959	575
1960	507
1961	381
1962	617
1963	730
1964	339
1965	488
1966	740
1967	914
1968	928
1969	587
1970	1,189
1971	365
1972	497
1973	398
1974	822
1975	468
1976	783
1977	525
1978	631
1979	675
1980	545
1981	1,342
1982	504
1983	1,154
1984	1,519
1985	650
1986	660
1987	1,437
1988	808
1989	674
1990	977
1991	828
1992	1,808
1993	765
1994	1,499
1995	1,007
1996	1,637
1997	764
1998	857
1999	1,012
2000	1,046
2001	900
2002	1,171
2003	927
2004	703
2005	1,113
2006	778
2007	996
2008	1,260
2009	660
2010	921
2011	636
2012	819
2013	732
2014	946
2015	380
2016	969
2017	1,450
2018	708
2019	700
2020	1,476
2021	1,167
2022	499
2023	782
2024	705
2025	489
2026	365

Download the Data

Data for records on 1991-04-30: 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	633
50 to 100	16
100 to 150	3
150 to 200	0
200 to 250	0
250 to 300	2