Weather Records on 20 April 2007

582 weather records were set or tied worldwide on 20 April 2007. Highest significance: Gustavus, US.

Key Facts for 20 April 2007

On 20 April 2007, 582 weather records were set or tied at long-record stations worldwide.
226 were record highs and 167 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 21 monthly and 559 daily.
Gustavus set a daily record snow depth of 38.1 cm (15.0 in) on 20 April 2007.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 461 records.

Record Map

582 stations

582 station records on 20 April 2007 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gustavus	United States	Record snow depth	38.1 cm (15.0 in)	65 of 100 (Major)
Santa Ana Fire STN	United States	Record daily precipitation	63.5 mm (2.5 in)	55 of 100 (Notable)
Chester	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Finca A. Prusia	Mexico	Record daily precipitation	79.8 mm (3.1 in)	54 of 100 (Notable)
Nanchong	China	Record daily precipitation	51.5 mm (2.0 in)	47 of 100 (Notable)
Sweetgrass	United States	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Kailua 446	United States	Record low maximum temperature	18.9 C (66.0 F)	46 of 100 (Notable)
Wedgefield	United States	Record daily precipitation	29.2 mm (1.1 in)	45 of 100 (Notable)
Simpson 6 N - Wildhorse	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Sumter	United States	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Yemassee 1 N	United States	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
San Salvador El Seco	Mexico	Record daily precipitation	66.8 mm (2.6 in)	42 of 100 (Notable)
Armour	United States	Record high minimum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Manuel Avila Camacho	Mexico	Record high maximum temperature	38.9 C (102.0 F)	40 of 100 (Notable)
Ft Assiniboine	United States	Record daily snowfall	7.6 cm (3.0 in)	37 of 100 (Notable)
Motozintla (Smn)	Mexico	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Novouzensk	Russia	Record daily precipitation	30.4 mm (1.2 in)	36 of 100 (Notable)
Jackman	United States	Record snow depth	81.3 cm (32.0 in)	36 of 100 (Notable)
Santa Fe	Mexico	Record low maximum temperature	31.7 C (89.1 F)	35 of 100 (Notable)
Aleksandrov Gaj	Russia	Record daily precipitation	29.6 mm (1.2 in)	35 of 100 (Notable)
Valentine	United States	Record low maximum temperature	3.3 C (37.9 F)	35 of 100 (Notable)
Jakutsk	Russia	Record high maximum temperature	11.3 C (52.3 F)	34 of 100 (Routine)
El Arenal	Mexico	Record low maximum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Onida 4 NW	United States	Record daily precipitation	34.5 mm (1.4 in)	33 of 100 (Routine)
Fargo Hector Intl AP	United States	Record daily precipitation	29.7 mm (1.2 in)	33 of 100 (Routine)
Nice	France	Record high maximum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
El Tule	Mexico	Record low maximum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
Los Reyes	Mexico	Record low minimum temperature	1.1 C (34.0 F)	32 of 100 (Routine)
Turkestan	Kazakhstan	Record high minimum temperature	17.0 C (62.6 F)	31 of 100 (Routine)
Forest	United States	Record low minimum temperature	-1.7 C (28.9 F)	31 of 100 (Routine)
San Pedro del Gallo (Smn)	Mexico	Record low minimum temperature	0.0 C (32.0 F)	30 of 100 (Routine)
Zilair	Russia	Record daily precipitation	33.1 mm (1.3 in)	30 of 100 (Routine)
Milan	Italy	Record high minimum temperature	16.5 C (61.7 F)	29 of 100 (Routine)
Tanegashima	Japan	Record low minimum temperature	7.6 C (45.7 F)	29 of 100 (Routine)
Atlatlahuacan	Mexico	Record high minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Hialeah	United States	Record high maximum temperature	33.9 C (93.0 F)	29 of 100 (Routine)
Songpan	China	Record high minimum temperature	8.8 C (47.8 F)	28 of 100 (Routine)
Big Creek Ph 1	United States	Record low maximum temperature	3.3 C (37.9 F)	28 of 100 (Routine)
Ft Kent	United States	Record snow depth	45.7 cm (18.0 in)	28 of 100 (Routine)
McKinley Park	United States	Record high minimum temperature	2.2 C (36.0 F)	28 of 100 (Routine)
San Marcos	Mexico	Record low minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Tacambaro	Mexico	Record high maximum temperature	35.6 C (96.1 F)	27 of 100 (Routine)
Vicente Guerrero	Mexico	Record low maximum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Pomona/Fairplex	United States	Record low maximum temperature	11.7 C (53.1 F)	27 of 100 (Routine)
Bangalore	India	Record daily precipitation	29.0 mm (1.1 in)	26 of 100 (Routine)
Chicapa de Castro	Mexico	Record high minimum temperature	26.1 C (79.0 F)	26 of 100 (Routine)
La Boquilla	Mexico	Record low minimum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Bajkit	Russia	Record high minimum temperature	1.8 C (35.2 F)	26 of 100 (Routine)
Los Angeles Downtown/Usc	United States	Record low maximum temperature	12.8 C (55.0 F)	26 of 100 (Routine)
Gagnoa	Cote D'Ivoire	Record high maximum temperature	36.2 C (97.2 F)	25 of 100 (Routine)
El Puerto	Mexico	Record high minimum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Tepelmeme de Morelos	Mexico	Record high minimum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Acatlan de Osorio (Smn)	Mexico	Record high minimum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
San Diego Intl AP	United States	Record low maximum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Belle Ile - le Talut	France	Record high maximum temperature	20.9 C (69.6 F)	24 of 100 (Routine)
Curapca	Russia	Record high maximum temperature	9.7 C (49.5 F)	24 of 100 (Routine)
Freeville 1 NE	United States	Record snow depth	15.2 cm (6.0 in)	24 of 100 (Routine)
Clatskanie	United States	Record low minimum temperature	-1.1 C (30.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

582 records

Records set or tied on 20 April 2007 by type: Highest daily maximum 94, Lowest daily maximum 64, Highest daily minimum 132, Lowest daily minimum 103, Heaviest daily rainfall 157, Heaviest daily snowfall 6, Deepest snow cover 26.

Records on 20 April 2007 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	64
Highest daily minimum	132
Lowest daily minimum	103
Heaviest daily rainfall	157
Heaviest daily snowfall	6
Deepest snow cover	26

Records on 20 April 2007 by timescale: all-time 2, monthly 21, daily 559.

How Much Records Were Beaten By

445 broken records

Margins by which the 445 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

20 April 2007

Top 20 records on 20 April 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 2007	Gustavus, US	daily snow depth	38.1 cm (15.0 in)	33.0 cm (13.0 in)	58 years	65 of 100 (Major)
20 April 2007	Santa Ana Fire STN, US	daily rain	63.5 mm (2.5 in)	40.6 mm (1.6 in)	18 years	55 of 100 (Notable)
20 April 2007	Chester, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	105 years	55 of 100 (Notable)
20 April 2007	Finca A. Prusia, MX	daily rain	79.8 mm (3.1 in)	53.9 mm (2.1 in)	44 years	54 of 100 (Notable)
20 April 2007	Nanchong, CN	daily rain	51.5 mm (2.0 in)	27.9 mm (1.1 in)	34 years	47 of 100 (Notable)
20 April 2007	Sweetgrass, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	80 years	47 of 100 (Notable)
20 April 2007	Kailua 446, US	daily low max	18.9 C (66.0 F)	1.1 C (2.0 F)	100 years	46 of 100 (Notable)
20 April 2007	Wedgefield, US	daily rain	29.2 mm (1.1 in)	19.0 mm (0.7 in)	78 years	45 of 100 (Notable)
20 April 2007	Simpson 6 N - Wildhorse, US	monthly rain	30.5 mm (1.2 in)	5.6 mm (0.22 in)	52 years	44 of 100 (Notable)
20 April 2007	Sumter, US	daily rain	35.6 mm (1.4 in)	20.4 mm (0.8 in)	66 years	44 of 100 (Notable)
20 April 2007	Yemassee 1 N, US	daily rain	31.0 mm (1.2 in)	9.2 mm (0.36 in)	92 years	43 of 100 (Notable)
20 April 2007	San Salvador El Seco, MX	daily rain	66.8 mm (2.6 in)	54.1 mm (2.1 in)	20 years	42 of 100 (Notable)
20 April 2007	Armour, US	daily high min	16.1 C (61.0 F)	3.9 C (7.0 F)	85 years	42 of 100 (Notable)
20 April 2007	Manuel Avila Camacho, MX	daily high max	38.9 C (102.0 F)	1.7 C (3.1 F)	84 years	40 of 100 (Notable)
20 April 2007	Ft Assiniboine, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	57 years	37 of 100 (Notable)
20 April 2007	Motozintla (Smn), MX	daily rain	27.9 mm (1.1 in)	12.2 mm (0.5 in)	44 years	36 of 100 (Notable)
20 April 2007	Coloso, PR	daily high min	24.4 C (75.9 F)	2.2 C (4.0 F)	48 years	36 of 100 (Notable)
20 April 2007	Novouzensk, RU	monthly rain	30.4 mm (1.2 in)	7.5 mm (0.30 in)	14 years	36 of 100 (Notable)
20 April 2007	Jackman, US	daily snow depth	81.3 cm (32.0 in)	43.2 cm (17.0 in)	28 years	36 of 100 (Notable)
20 April 2007	Santa Fe, MX	daily low max	31.7 C (89.1 F)	3.9 C (7.0 F)	29 years	35 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

1807 to 2007

Records set or tied on this calendar date in each year from 1807 to 2007. 2007 had 582 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 2007-04-20: 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 100	438
100 to 200	3
200 to 300	2
300 to 400	1
400 to 500	1