Weather Records on 30 April 1980

545 weather records were set or tied worldwide on 30 April 1980. Highest significance: Simferopol, UA.

Key Facts for 30 April 1980

On 30 April 1980, 545 weather records were set or tied at long-record stations worldwide.
175 were record highs and 142 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 530 daily.
Simferopol set a daily record precipitation of 27.3 mm (1.1 in) on 30 April 1980.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 446 records.

Record Map

545 stations

545 station records on 30 April 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Simferopol	Ukraine	Record daily precipitation	27.3 mm (1.1 in)	74 of 100 (Major)
Dale Enterprise	United States	Record daily precipitation	50.8 mm (2.0 in)	64 of 100 (Major)
Lees Ferry	United States	Record daily precipitation	37.8 mm (1.5 in)	62 of 100 (Major)
Pineville	United States	Record daily precipitation	49.5 mm (1.9 in)	52 of 100 (Notable)
Echo Dam	United States	Record daily precipitation	27.9 mm (1.1 in)	51 of 100 (Notable)
Astara	Azerbaijan	Record daily precipitation	34.1 mm (1.3 in)	50 of 100 (Notable)
Iaeger 1SW	United States	Record daily precipitation	48.3 mm (1.9 in)	50 of 100 (Notable)
St Francis 8NW	United States	Record daily precipitation	28.4 mm (1.1 in)	46 of 100 (Notable)
Palmerville	Australia	Record low maximum temperature	27.0 C (80.6 F)	45 of 100 (Notable)
Langara	Canada	Record daily precipitation	25.8 mm (1.0 in)	45 of 100 (Notable)
Bar Harbor 3 NW	United States	Record daily precipitation	43.2 mm (1.7 in)	42 of 100 (Notable)
Luray 5 E	United States	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Churchill A	Canada	Record high maximum temperature	27.7 C (81.9 F)	39 of 100 (Notable)
Buckeye	United States	Record low maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Bear River Refuge	United States	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
San Pedro	Mexico	Record low maximum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Farmington	United States	Record daily precipitation	48.5 mm (1.9 in)	37 of 100 (Notable)
Fairmont	United States	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Flat Top	United States	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
Ellsworth	United States	Record daily precipitation	42.4 mm (1.7 in)	34 of 100 (Routine)
Przhevalsk	Kyrgyzstan	Record daily precipitation	29.9 mm (1.2 in)	32 of 100 (Routine)
Belfast	United States	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Clay	United States	Record daily precipitation	33.8 mm (1.3 in)	32 of 100 (Routine)
London Locks	United States	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Flagler 1S	United States	Record daily precipitation	28.4 mm (1.1 in)	31 of 100 (Routine)
Hermit 8 SE	United States	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Beckley Va Hospital	United States	Record daily precipitation	33.3 mm (1.3 in)	31 of 100 (Routine)
Gary	United States	Record daily precipitation	41.7 mm (1.6 in)	31 of 100 (Routine)
Oak Hill	United States	Record daily precipitation	33.5 mm (1.3 in)	31 of 100 (Routine)
Mistassini Post	Canada	Record high maximum temperature	22.5 C (72.5 F)	30 of 100 (Routine)
Saint Francis	United States	Record daily precipitation	30.7 mm (1.2 in)	30 of 100 (Routine)
Karaby-Yala	Ukraine	Record daily precipitation	27.9 mm (1.1 in)	29 of 100 (Routine)
Browning	United States	Record daily precipitation	27.9 mm (1.1 in)	29 of 100 (Routine)
Franklin 2 NE	United States	Record daily precipitation	46.7 mm (1.8 in)	29 of 100 (Routine)
Castle Hot Springs	United States	Record low maximum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Big Timber	United States	Record high minimum temperature	8.9 C (48.0 F)	28 of 100 (Routine)
Lincoln Rs	United States	Record daily precipitation	25.7 mm (1.0 in)	28 of 100 (Routine)
Lebanon	United States	Record low maximum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Camden on Gauley 2 SW	United States	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Powell	United States	Record high minimum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Caron	Canada	Record high minimum temperature	13.0 C (55.4 F)	27 of 100 (Routine)
Island Falls	Canada	Record high maximum temperature	27.0 C (80.6 F)	27 of 100 (Routine)
St Fereol	Canada	Record high minimum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Busby	United States	Record high minimum temperature	11.1 C (52.0 F)	27 of 100 (Routine)
Melstone	United States	Record high minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Greeneville Exp STN	United States	Record low maximum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Grindstone Island	Canada	Record high maximum temperature	13.6 C (56.5 F)	26 of 100 (Routine)
Ft Collins	United States	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Oenpelli	Australia	Record daily precipitation	39.4 mm (1.6 in)	25 of 100 (Routine)
Swan River	Canada	Record high maximum temperature	29.0 C (84.2 F)	25 of 100 (Routine)
Oy-Mittelberg	Germany	Record snow depth	58.0 cm (22.8 in)	25 of 100 (Routine)
Hot Springs 2	United States	Record low maximum temperature	10.6 C (51.1 F)	25 of 100 (Routine)
Beckley Va Hospital	United States	Record low maximum temperature	7.8 C (46.0 F)	25 of 100 (Routine)
Burnsville Lake	United States	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Balbay	Kyrgyzstan	Record daily precipitation	29.6 mm (1.2 in)	24 of 100 (Routine)
Johnson 11 ESE	United States	Record daily precipitation	37.8 mm (1.5 in)	24 of 100 (Routine)
Princess Anne	United States	Record daily precipitation	28.2 mm (1.1 in)	24 of 100 (Routine)
Harlowton	United States	Record high minimum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Hobbs	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Boone	United States	Record low maximum temperature	6.7 C (44.1 F)	24 of 100 (Routine)

Counts by Type and Timescale

545 records

Records set or tied on 30 April 1980 by type: Highest daily maximum 55, Lowest daily maximum 94, Highest daily minimum 120, Lowest daily minimum 48, Heaviest daily rainfall 214, Heaviest daily snowfall 5, Deepest snow cover 9.

Records on 30 April 1980 by type
Record type	Records
Highest daily maximum	55
Lowest daily maximum	94
Highest daily minimum	120
Lowest daily minimum	48
Heaviest daily rainfall	214
Heaviest daily snowfall	5
Deepest snow cover	9

Records on 30 April 1980 by timescale: all-time 1, monthly 14, daily 530.

How Much Records Were Beaten By

428 broken records

Margins by which the 428 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

30 April 1980

Top 20 records on 30 April 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1980	Simferopol, UA	daily rain	27.3 mm (1.1 in)	17.7 mm (0.7 in)	91 years	74 of 100 (Major)
30 April 1980	Dale Enterprise, US	daily rain	50.8 mm (2.0 in)	34.3 mm (1.4 in)	55 years	64 of 100 (Major)
30 April 1980	Lees Ferry, US	monthly rain	37.8 mm (1.5 in)	17.2 mm (0.7 in)	21 years	62 of 100 (Major)
30 April 1980	Pineville, US	daily rain	49.5 mm (1.9 in)	32.5 mm (1.3 in)	22 years	52 of 100 (Notable)
30 April 1980	Echo Dam, US	daily rain	27.9 mm (1.1 in)	22.3 mm (0.9 in)	24 years	51 of 100 (Notable)
30 April 1980	Astara, AZ	daily rain	34.1 mm (1.3 in)	28.2 mm (1.1 in)	24 years	50 of 100 (Notable)
30 April 1980	Iaeger 1SW, US	daily rain	48.3 mm (1.9 in)	33.1 mm (1.3 in)	22 years	50 of 100 (Notable)
30 April 1980	St Francis 8NW, US	daily rain	28.4 mm (1.1 in)	24.1 mm (0.9 in)	27 years	46 of 100 (Notable)
30 April 1980	Palmerville, AU	daily low max	27.0 C (80.6 F)	2.2 C (4.0 F)	81 years	45 of 100 (Notable)
30 April 1980	Langara, CA	daily rain	25.8 mm (1.0 in)	17.7 mm (0.7 in)	42 years	45 of 100 (Notable)
30 April 1980	Bar Harbor 3 NW, US	daily rain	43.2 mm (1.7 in)	19.1 mm (0.8 in)	62 years	42 of 100 (Notable)
30 April 1980	Luray 5 E, US	daily rain	36.3 mm (1.4 in)	24.1 mm (0.9 in)	27 years	42 of 100 (Notable)
30 April 1980	Churchill A, CA	daily high max	27.7 C (81.9 F)	19.9 C (35.8 F)	29 years	39 of 100 (Notable)
30 April 1980	Buckeye, US	daily low max	19.4 C (66.9 F)	2.8 C (5.0 F)	81 years	38 of 100 (Notable)
30 April 1980	Bear River Refuge, US	monthly rain	35.6 mm (1.4 in)	6.1 mm (0.24 in)	40 years	38 of 100 (Notable)
30 April 1980	San Pedro, MX	daily low max	25.0 C (77.0 F)	7.2 C (13.0 F)	9 years	37 of 100 (Notable)
30 April 1980	Farmington, US	daily rain	48.5 mm (1.9 in)	12.4 mm (0.5 in)	57 years	37 of 100 (Notable)
30 April 1980	Fairmont, US	daily rain	26.4 mm (1.0 in)	6.1 mm (0.24 in)	72 years	37 of 100 (Notable)
30 April 1980	Flat Top, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	49 years	36 of 100 (Notable)
30 April 1980	Ellsworth, US	daily rain	42.4 mm (1.7 in)	17.3 mm (0.7 in)	37 years	34 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 1980

Records set or tied on this calendar date in each year from 1795 to 1980. 1980 had 545 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 1980-04-30: 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	422
50 to 100	3
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	2