Weather Records on 30 April 2012

819 weather records were set or tied worldwide on 30 April 2012. Highest significance: Ponca City, US.

Key Facts for 30 April 2012

On 30 April 2012, 819 weather records were set or tied at long-record stations worldwide.
495 were record highs and 144 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 99 monthly and 716 daily.
Ponca City set an all-time record daily precipitation of 246.4 mm (9.7 in) on 30 April 2012.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 445 records.

Record Map

819 stations

819 station records on 30 April 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ponca City	United States	Record daily precipitation	246.4 mm (9.7 in)	83 of 100 (Exceptional)
Ft Scott	United States	Record daily precipitation	123.2 mm (4.9 in)	80 of 100 (Exceptional)
Jefferson 3SE	United States	Record daily precipitation	133.3 mm (5.2 in)	80 of 100 (Exceptional)
Sedan	United States	Record daily precipitation	108.2 mm (4.3 in)	67 of 100 (Major)
Parsons 2 NW	United States	Record daily precipitation	135.9 mm (5.4 in)	65 of 100 (Major)
Eldorado Springs	United States	Record daily precipitation	104.1 mm (4.1 in)	63 of 100 (Major)
Armadale	Australia	Record daily precipitation	38.0 mm (1.5 in)	61 of 100 (Major)
Guipavas	France	Record daily precipitation	74.4 mm (2.9 in)	59 of 100 (Notable)
Nevada Wtp	United States	Record daily precipitation	107.4 mm (4.2 in)	59 of 100 (Notable)
Riverdale	United States	Record daily precipitation	40.6 mm (1.6 in)	57 of 100 (Notable)
Blackwell 1SSW	United States	Record daily precipitation	152.4 mm (6.0 in)	55 of 100 (Notable)
Helena 1 SSE	United States	Record daily precipitation	100.3 mm (3.9 in)	55 of 100 (Notable)
Newkirk 5NE	United States	Record daily precipitation	116.1 mm (4.6 in)	55 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	40.6 mm (1.6 in)	54 of 100 (Notable)
Biser	Russia	Record daily precipitation	27.0 mm (1.1 in)	53 of 100 (Notable)
Odesa	Ukraine	Record high maximum temperature	29.4 C (84.9 F)	52 of 100 (Notable)
Cedar Vale 5SSE	United States	Record daily precipitation	125.7 mm (4.9 in)	52 of 100 (Notable)
Wien	Austria	Record high maximum temperature	30.0 C (86.0 F)	51 of 100 (Notable)
Ouessant	France	Record daily precipitation	33.0 mm (1.3 in)	51 of 100 (Notable)
Medora 1 S	United States	Record daily precipitation	51.1 mm (2.0 in)	51 of 100 (Notable)
Feodosiia	Ukraine	Record high maximum temperature	27.7 C (81.9 F)	50 of 100 (Notable)
Independence	United States	Record daily precipitation	110.2 mm (4.3 in)	50 of 100 (Notable)
Budapest	Hungary	Record high maximum temperature	31.3 C (88.3 F)	49 of 100 (Notable)
Saverton L&D 22	United States	Record daily precipitation	61.5 mm (2.4 in)	49 of 100 (Notable)
Alva 1W	United States	Record daily precipitation	66.0 mm (2.6 in)	49 of 100 (Notable)
Kremsmuenster	Austria	Record high minimum temperature	15.4 C (59.7 F)	48 of 100 (Notable)
Pana	United States	Record daily precipitation	48.0 mm (1.9 in)	47 of 100 (Notable)
Louisiana	United States	Record daily precipitation	86.4 mm (3.4 in)	46 of 100 (Notable)
Baker	United States	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
Vici 1NNW	United States	Record daily precipitation	66.3 mm (2.6 in)	45 of 100 (Notable)
Lake Manchester	Australia	Record daily precipitation	84.0 mm (3.3 in)	44 of 100 (Notable)
Kisinev	Moldova	Record high maximum temperature	30.9 C (87.6 F)	44 of 100 (Notable)
Longton	United States	Record daily precipitation	80.5 mm (3.2 in)	44 of 100 (Notable)
Blanco	United States	Record high minimum temperature	24.4 C (75.9 F)	44 of 100 (Notable)
Griggsville	United States	Record daily precipitation	60.5 mm (2.4 in)	43 of 100 (Notable)
Walnut 4S	United States	Record daily precipitation	71.1 mm (2.8 in)	43 of 100 (Notable)
Chiconautla	Mexico	Record high maximum temperature	38.9 C (102.0 F)	42 of 100 (Notable)
Albany	Australia	Record high minimum temperature	17.3 C (63.1 F)	41 of 100 (Notable)
Huajimic	Mexico	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Huanusco	Mexico	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Ft Bidwell	United States	Record high minimum temperature	8.9 C (48.0 F)	41 of 100 (Notable)
Arnett 3NE	United States	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Humboldt Gulch	United States	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
Debrecen Airport	Hungary	Record high maximum temperature	30.2 C (86.4 F)	39 of 100 (Notable)
Poltava	Ukraine	Record high maximum temperature	29.9 C (85.8 F)	39 of 100 (Notable)
Centralia	United States	Record daily precipitation	99.1 mm (3.9 in)	39 of 100 (Notable)
Northfield	United States	Record low minimum temperature	-5.6 C (21.9 F)	39 of 100 (Notable)
Szeged	Hungary	Record high maximum temperature	30.1 C (86.2 F)	38 of 100 (Notable)
Pichucalco (Smn)	Mexico	Record low minimum temperature	8.9 C (48.0 F)	38 of 100 (Notable)
Warrenton	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Alfred	United States	Record low minimum temperature	-5.6 C (21.9 F)	38 of 100 (Notable)
Szombathely	Hungary	Record high maximum temperature	28.6 C (83.5 F)	37 of 100 (Notable)
Mariupol'	Ukraine	Record high maximum temperature	29.1 C (84.4 F)	37 of 100 (Notable)
Ft Lauderdale	United States	Record low maximum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Collinsville Post Office	Australia	Record daily precipitation	65.6 mm (2.6 in)	36 of 100 (Notable)
Tyumen Amsg	Russia	Record daily precipitation	30.7 mm (1.2 in)	36 of 100 (Notable)
Zhytomyr	Ukraine	Record high minimum temperature	14.8 C (58.6 F)	36 of 100 (Notable)
Milesovka	Czech Republic	Record high minimum temperature	13.4 C (56.1 F)	35 of 100 (Notable)
Gotnja	Russia	Record high minimum temperature	14.7 C (58.5 F)	35 of 100 (Notable)
Sumy	Ukraine	Record high maximum temperature	30.7 C (87.3 F)	35 of 100 (Notable)

Counts by Type and Timescale

819 records

Records set or tied on 30 April 2012 by type: Highest daily maximum 249, Lowest daily maximum 44, Highest daily minimum 246, Lowest daily minimum 100, Heaviest daily rainfall 177, Deepest snow cover 3.

Records on 30 April 2012 by type
Record type	Records
Highest daily maximum	249
Lowest daily maximum	44
Highest daily minimum	246
Lowest daily minimum	100
Heaviest daily rainfall	177
Heaviest daily snowfall	0
Deepest snow cover	3

Records on 30 April 2012 by timescale: all-time 4, monthly 99, daily 716.

How Much Records Were Beaten By

618 broken records

Margins by which the 618 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 228.0. Ties are not counted.

Top 20 by Significance

30 April 2012

Top 20 records on 30 April 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 2012	Ponca City, US	all-time rain	246.4 mm (9.7 in)	100.3 mm (3.9 in)	44 years	83 of 100 (Exceptional)
30 April 2012	Ft Scott, US	daily rain	123.2 mm (4.9 in)	71.6 mm (2.8 in)	105 years	80 of 100 (Exceptional)
30 April 2012	Jefferson 3SE, US	daily rain	133.3 mm (5.2 in)	82.5 mm (3.2 in)	108 years	80 of 100 (Exceptional)
30 April 2012	Sedan, US	daily rain	108.2 mm (4.3 in)	48.8 mm (1.9 in)	82 years	67 of 100 (Major)
30 April 2012	Parsons 2 NW, US	daily rain	135.9 mm (5.4 in)	67.8 mm (2.7 in)	58 years	65 of 100 (Major)
30 April 2012	Eldorado Springs, US	daily rain	104.1 mm (4.1 in)	53.6 mm (2.1 in)	58 years	63 of 100 (Major)
30 April 2012	Armadale, AU	daily rain	38.0 mm (1.5 in)	18.7 mm (0.7 in)	101 years	61 of 100 (Major)
30 April 2012	Guipavas, FR	monthly rain	74.4 mm (2.9 in)	42.6 mm (1.7 in)	17 years	59 of 100 (Notable)
30 April 2012	Nevada Wtp, US	daily rain	107.4 mm (4.2 in)	65.5 mm (2.6 in)	42 years	59 of 100 (Notable)
30 April 2012	Riverdale, US	daily rain	40.6 mm (1.6 in)	27.4 mm (1.1 in)	59 years	57 of 100 (Notable)
30 April 2012	Blackwell 1SSW, US	monthly rain	152.4 mm (6.0 in)	58.4 mm (2.3 in)	6 years	55 of 100 (Notable)
30 April 2012	Helena 1 SSE, US	daily rain	100.3 mm (3.9 in)	41.9 mm (1.6 in)	58 years	55 of 100 (Notable)
30 April 2012	Newkirk 5NE, US	daily rain	116.1 mm (4.6 in)	67.8 mm (2.7 in)	18 years	55 of 100 (Notable)
30 April 2012	Hillsboro, US	daily rain	40.6 mm (1.6 in)	17.7 mm (0.7 in)	101 years	54 of 100 (Notable)
30 April 2012	Biser, RU	daily rain	27.0 mm (1.1 in)	11.0 mm (0.4 in)	51 years	53 of 100 (Notable)
30 April 2012	Odesa, UA	monthly high max	29.4 C (84.9 F)	0.9 C (1.6 F)	103 years	52 of 100 (Notable)
30 April 2012	Cedar Vale 5SSE, US	monthly rain	125.7 mm (4.9 in)	51.0 mm (2.0 in)	6 years	52 of 100 (Notable)
30 April 2012	Wien, AT	monthly high max	30.0 C (86.0 F)	0.5 C (0.9 F)	150 years	51 of 100 (Notable)
30 April 2012	Ouessant, FR	daily rain	33.0 mm (1.3 in)	20.0 mm (0.8 in)	39 years	51 of 100 (Notable)
30 April 2012	Medora 1 S, US	daily rain	51.1 mm (2.0 in)	29.8 mm (1.2 in)	66 years	51 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 2012

Records set or tied on this calendar date in each year from 1795 to 2012. 2012 had 819 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 2012-04-30: 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 2026-10-15 (15 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	606
50 to 100	9
100 to 150	1
150 to 200	1
200 to 250	1