Weather Records on 30 April 1979

675 weather records were set or tied worldwide on 30 April 1979. Highest significance: Kaca, RU.

Key Facts for 30 April 1979

On 30 April 1979, 675 weather records were set or tied at long-record stations worldwide.
120 were record highs and 236 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 24 monthly and 651 daily.
Kaca set a monthly record daily precipitation of 28.3 mm (1.1 in) on 30 April 1979.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 445 records.

Record Map

675 stations

675 station records on 30 April 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kaca	Russia	Record daily precipitation	28.3 mm (1.1 in)	53 of 100 (Notable)
Cofimvaba (Tnk)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	50 of 100 (Notable)
Krasnojarsk	Russia	Record daily precipitation	25.5 mm (1.0 in)	48 of 100 (Notable)
Fazenda Conquista	Brazil	Record daily precipitation	60.4 mm (2.4 in)	46 of 100 (Notable)
Miramichi A	Canada	Record daily precipitation	34.7 mm (1.4 in)	45 of 100 (Notable)
Sombrerete (Dge)	Mexico	Record low maximum temperature	13.9 C (57.0 F)	45 of 100 (Notable)
Valencia Estates	South Africa	Record daily precipitation	64.8 mm (2.6 in)	43 of 100 (Notable)
Bhubaneswar	India	Record daily precipitation	39.9 mm (1.6 in)	41 of 100 (Notable)
Podor	Senegal	Record low minimum temperature	16.9 C (62.4 F)	40 of 100 (Notable)
Vila Carmem	Brazil	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Sugarloaf Rsvr	United States	Record daily snowfall	7.6 cm (3.0 in)	38 of 100 (Notable)
Ribeirao Preto	Brazil	Record daily precipitation	39.2 mm (1.5 in)	37 of 100 (Notable)
Sitio Sao Geraldo	Brazil	Record daily precipitation	39.6 mm (1.6 in)	37 of 100 (Notable)
Sept-Iles A	Canada	Record daily precipitation	40.2 mm (1.6 in)	36 of 100 (Notable)
Piratininga	Brazil	Record daily precipitation	59.2 mm (2.3 in)	35 of 100 (Notable)
Prince Albert A	Canada	Record daily snowfall	10.6 cm (4.2 in)	35 of 100 (Notable)
Gore Bay A	Canada	Record daily snowfall	13.7 cm (5.4 in)	35 of 100 (Notable)
Huatusco de Chicuellar	Mexico	Record daily precipitation	101.9 mm (4.0 in)	35 of 100 (Notable)
Kandi	Benin	Record daily precipitation	47.5 mm (1.9 in)	34 of 100 (Routine)
Corumbatai	Brazil	Record daily precipitation	47.6 mm (1.9 in)	34 of 100 (Routine)
Barretos	Brazil	Record daily precipitation	37.6 mm (1.5 in)	33 of 100 (Routine)
Mogi-Mirim	Brazil	Record daily precipitation	40.0 mm (1.6 in)	33 of 100 (Routine)
Usina Do Lobo	Brazil	Record daily precipitation	32.9 mm (1.3 in)	33 of 100 (Routine)
Miraima	Brazil	Record daily precipitation	66.8 mm (2.6 in)	33 of 100 (Routine)
Jeanerette 5 NW	United States	Record low maximum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record low maximum temperature	19.4 C (66.9 F)	33 of 100 (Routine)
Three Rivers	United States	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
Mirassol	Brazil	Record daily precipitation	41.6 mm (1.6 in)	32 of 100 (Routine)
Cresciumal	Brazil	Record daily precipitation	36.3 mm (1.4 in)	32 of 100 (Routine)
Skegness	United Kingdom	Record low maximum temperature	6.0 C (42.8 F)	32 of 100 (Routine)
Varpa	Brazil	Record daily precipitation	28.4 mm (1.1 in)	31 of 100 (Routine)
Novais	Brazil	Record daily precipitation	41.7 mm (1.6 in)	31 of 100 (Routine)
Santa Cruz Das Palmeiras	Brazil	Record daily precipitation	40.8 mm (1.6 in)	31 of 100 (Routine)
Visconde de Rio Claro	Brazil	Record daily precipitation	33.3 mm (1.3 in)	31 of 100 (Routine)
Willow Sprg Radio Kuku	United States	Record low minimum temperature	1.1 C (34.0 F)	31 of 100 (Routine)
Naalehu 14	United States	Record low minimum temperature	13.9 C (57.0 F)	31 of 100 (Routine)
Waialua 847	United States	Record low minimum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
Grauna	Brazil	Record daily precipitation	33.7 mm (1.3 in)	30 of 100 (Routine)
Ohotsk	Russia	Record high maximum temperature	13.6 C (56.5 F)	30 of 100 (Routine)
Gaylord	United States	Record daily snowfall	11.4 cm (4.5 in)	30 of 100 (Routine)
Sao Joao da Boa Vista	Brazil	Record daily precipitation	67.7 mm (2.7 in)	29 of 100 (Routine)
Lagoa Branca	Brazil	Record daily precipitation	35.4 mm (1.4 in)	29 of 100 (Routine)
Usina Tres Saltos (Cpfl)	Brazil	Record daily precipitation	37.2 mm (1.5 in)	29 of 100 (Routine)
Sao Miguel Dos Campos	Brazil	Record daily precipitation	80.9 mm (3.2 in)	29 of 100 (Routine)
Beaver Is	United States	Record low maximum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Vanderbilt 11ENE	United States	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Monticello	United States	Record low maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Hendersonville 1 NE	United States	Record low minimum temperature	-3.3 C (26.1 F)	29 of 100 (Routine)
Raymondville	United States	Record daily precipitation	56.4 mm (2.2 in)	29 of 100 (Routine)
Kailua 446	United States	Record low minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Pirassununga	Brazil	Record daily precipitation	28.5 mm (1.1 in)	28 of 100 (Routine)
Charqueada	Brazil	Record daily precipitation	40.7 mm (1.6 in)	28 of 100 (Routine)
Avare	Brazil	Record daily precipitation	44.3 mm (1.7 in)	28 of 100 (Routine)
Amos	Canada	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Siliguri	India	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Borinquen AP	Puerto Rico [United States]	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Bay City Wtr Wks	United States	Record low maximum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Hebbronville	United States	Record daily precipitation	61.0 mm (2.4 in)	28 of 100 (Routine)
University Exp STN	United States	Record high maximum temperature	24.4 C (75.9 F)	28 of 100 (Routine)
Ribeiro Dos Santos	Brazil	Record daily precipitation	45.0 mm (1.8 in)	27 of 100 (Routine)

Counts by Type and Timescale

675 records

Records set or tied on 30 April 1979 by type: Highest daily maximum 36, Lowest daily maximum 136, Highest daily minimum 84, Lowest daily minimum 100, Heaviest daily rainfall 286, Heaviest daily snowfall 24, Deepest snow cover 9.

Records on 30 April 1979 by type
Record type	Records
Highest daily maximum	36
Lowest daily maximum	136
Highest daily minimum	84
Lowest daily minimum	100
Heaviest daily rainfall	286
Heaviest daily snowfall	24
Deepest snow cover	9

Records on 30 April 1979 by timescale: all-time 0, monthly 24, daily 651.

How Much Records Were Beaten By

560 broken records

Margins by which the 560 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1041.0. Ties are not counted.

Top 20 by Significance

30 April 1979

Top 20 records on 30 April 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1979	Kaca, RU	monthly rain	28.3 mm (1.1 in)	9.2 mm (0.36 in)	19 years	53 of 100 (Notable)
30 April 1979	Cofimvaba (Tnk), ZA	daily rain	45.0 mm (1.8 in)	15.8 mm (0.6 in)	77 years	50 of 100 (Notable)
30 April 1979	Krasnojarsk, RU	monthly rain	25.5 mm (1.0 in)	4.5 mm (0.18 in)	54 years	48 of 100 (Notable)
30 April 1979	Fazenda Conquista, BR	daily rain	60.4 mm (2.4 in)	48.7 mm (1.9 in)	33 years	46 of 100 (Notable)
30 April 1979	Miramichi A, CA	daily rain	34.7 mm (1.4 in)	26.6 mm (1.0 in)	32 years	45 of 100 (Notable)
30 April 1979	Sombrerete (Dge), MX	daily low max	13.9 C (57.0 F)	7.8 C (14.0 F)	57 years	45 of 100 (Notable)
30 April 1979	Valencia Estates, ZA	daily rain	64.8 mm (2.6 in)	47.8 mm (1.9 in)	24 years	43 of 100 (Notable)
30 April 1979	Bhubaneswar, IN	daily rain	39.9 mm (1.6 in)	27.2 mm (1.1 in)	32 years	41 of 100 (Notable)
30 April 1979	Podor, SN	daily low min	16.9 C (62.4 F)	0.1 C (0.2 F)	120 years	40 of 100 (Notable)
30 April 1979	Vila Carmem, BR	daily rain	38.1 mm (1.5 in)	28.3 mm (1.1 in)	41 years	39 of 100 (Notable)
30 April 1979	Sugarloaf Rsvr, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	77 years	38 of 100 (Notable)
30 April 1979	Ribeirao Preto, BR	daily rain	39.2 mm (1.5 in)	27.1 mm (1.1 in)	33 years	37 of 100 (Notable)
30 April 1979	Sitio Sao Geraldo, BR	daily rain	39.6 mm (1.6 in)	29.0 mm (1.1 in)	21 years	37 of 100 (Notable)
30 April 1979	Sept-Iles A, CA	daily rain	40.2 mm (1.6 in)	26.5 mm (1.0 in)	16 years	36 of 100 (Notable)
30 April 1979	Piratininga, BR	daily rain	59.2 mm (2.3 in)	37.0 mm (1.5 in)	16 years	35 of 100 (Notable)
30 April 1979	Prince Albert A, CA	daily snowfall	10.6 cm (4.2 in)	9.3 cm (3.7 in)	8 years	35 of 100 (Notable)
30 April 1979	Gore Bay A, CA	daily snowfall	13.7 cm (5.4 in)	12.4 cm (4.9 in)	16 years	35 of 100 (Notable)
30 April 1979	Huatusco de Chicuellar, MX	monthly rain	101.9 mm (4.0 in)	15.0 mm (0.6 in)	20 years	35 of 100 (Notable)
30 April 1979	Kandi, BJ	daily rain	47.5 mm (1.9 in)	27.0 mm (1.1 in)	28 years	34 of 100 (Routine)
30 April 1979	Corumbatai, BR	daily rain	47.6 mm (1.9 in)	38.1 mm (1.5 in)	8 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 1979

Records set or tied on this calendar date in each year from 1795 to 1979. 1979 had 675 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 1979-04-30: 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 200	559
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	0
1000 to 1200	1