Weather Records on 20 May 2009

1,529 weather records were set or tied worldwide on 20 May 2009. Highest significance: Beerburrum Forest Station, AU.

Key Facts for 20 May 2009

On 20 May 2009, 1,529 weather records were set or tied at long-record stations worldwide.
551 were record highs and 467 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 66 monthly and 1,460 daily.
Beerburrum Forest Station set a monthly record daily precipitation of 301.8 mm (11.9 in) on 20 May 2009.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 449 records.

Record Map

1,529 stations

1,529 station records on 20 May 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beerburrum Forest Station	Australia	Record daily precipitation	301.8 mm (11.9 in)	90 of 100 (Exceptional)
Crows Nest	Australia	Record daily precipitation	107.6 mm (4.2 in)	80 of 100 (Exceptional)
Cecil Plains Homestead	Australia	Record daily precipitation	65.0 mm (2.6 in)	72 of 100 (Major)
Imbil Post Office	Australia	Record daily precipitation	91.5 mm (3.6 in)	71 of 100 (Major)
Esk Post Office	Australia	Record daily precipitation	120.2 mm (4.7 in)	69 of 100 (Major)
Amcor - Petrie Mill	Australia	Record daily precipitation	146.0 mm (5.7 in)	69 of 100 (Major)
Coominya Post Office	Australia	Record daily precipitation	90.0 mm (3.5 in)	68 of 100 (Major)
Crescent City	United States	Record daily precipitation	112.0 mm (4.4 in)	68 of 100 (Major)
Lindfield	Australia	Record daily precipitation	98.4 mm (3.9 in)	67 of 100 (Major)
Mt Glorious Fahey Rd	Australia	Record daily precipitation	225.0 mm (8.9 in)	66 of 100 (Major)
Wooroolin Post Office	Australia	Record daily precipitation	46.0 mm (1.8 in)	65 of 100 (Major)
Kilcoy Post Office	Australia	Record daily precipitation	86.0 mm (3.4 in)	63 of 100 (Major)
Toogoolawah Post Office	Australia	Record daily precipitation	90.8 mm (3.6 in)	63 of 100 (Major)
Manly Railway Station	Australia	Record daily precipitation	103.6 mm (4.1 in)	63 of 100 (Major)
Toombul Bowls Club	Australia	Record daily precipitation	111.6 mm (4.4 in)	63 of 100 (Major)
Lake Manchester	Australia	Record daily precipitation	76.0 mm (3.0 in)	62 of 100 (Major)
Wamuran	Australia	Record daily precipitation	264.7 mm (10.4 in)	62 of 100 (Major)
Presa Alvaro Obregon	Mexico	Record daily precipitation	38.9 mm (1.5 in)	62 of 100 (Major)
Eagle Farm Racecourse	Australia	Record daily precipitation	110.0 mm (4.3 in)	61 of 100 (Major)
Woleebee Nevasa	Australia	Record daily precipitation	140.0 mm (5.5 in)	60 of 100 (Major)
Titusville	United States	Record daily precipitation	122.7 mm (4.8 in)	60 of 100 (Major)
Conondale Township	Australia	Record daily precipitation	113.4 mm (4.5 in)	59 of 100 (Notable)
Mt Brisbane	Australia	Record daily precipitation	147.0 mm (5.8 in)	59 of 100 (Notable)
Mt Nebo Post Office	Australia	Record daily precipitation	150.4 mm (5.9 in)	59 of 100 (Notable)
Redlands Hrs	Australia	Record daily precipitation	98.6 mm (3.9 in)	59 of 100 (Notable)
Caloundra Wtp	Australia	Record daily precipitation	204.4 mm (8.0 in)	59 of 100 (Notable)
Highvale	Australia	Record daily precipitation	120.0 mm (4.7 in)	58 of 100 (Notable)
Surutato	Mexico	Record daily precipitation	61.0 mm (2.4 in)	58 of 100 (Notable)
Burnett Heads Niell St	Australia	Record daily precipitation	153.0 mm (6.0 in)	57 of 100 (Notable)
Danewood Vale	Australia	Record daily precipitation	75.6 mm (3.0 in)	57 of 100 (Notable)
Mungindi Post Office	Australia	Record daily precipitation	53.6 mm (2.1 in)	57 of 100 (Notable)
Drillham Post Office	Australia	Record daily precipitation	69.0 mm (2.7 in)	56 of 100 (Notable)
Garah (Ulinga)	Australia	Record daily precipitation	49.2 mm (1.9 in)	56 of 100 (Notable)
Mukdahan	Thailand	Record daily precipitation	180.6 mm (7.1 in)	56 of 100 (Notable)
Vero Beach 4SE	United States	Record daily precipitation	78.7 mm (3.1 in)	56 of 100 (Notable)
Maleny Denning Rd	Australia	Record daily precipitation	120.0 mm (4.7 in)	54 of 100 (Notable)
Borumba Dam	Australia	Record daily precipitation	75.8 mm (3.0 in)	54 of 100 (Notable)
Collarenebri (Goondoobluie)	Australia	Record daily precipitation	45.0 mm (1.8 in)	54 of 100 (Notable)
Landsborough Post Office	Australia	Record daily precipitation	189.8 mm (7.5 in)	53 of 100 (Notable)
Mt Mowbullan	Australia	Record daily precipitation	71.0 mm (2.8 in)	53 of 100 (Notable)
McKenzie Creek	Australia	Record daily precipitation	210.0 mm (8.3 in)	53 of 100 (Notable)
Belah Park	Australia	Record daily precipitation	66.0 mm (2.6 in)	53 of 100 (Notable)
Lake City 2 E	United States	Record low maximum temperature	18.3 C (64.9 F)	53 of 100 (Notable)
Fairymead Sugar Mill	Australia	Record daily precipitation	75.0 mm (3.0 in)	52 of 100 (Notable)
Imbil Forestry	Australia	Record daily precipitation	88.0 mm (3.5 in)	52 of 100 (Notable)
Dunmore State Forest	Australia	Record daily precipitation	80.0 mm (3.1 in)	52 of 100 (Notable)
Cheriton	Australia	Record daily precipitation	86.0 mm (3.4 in)	52 of 100 (Notable)
Deland 1 SSE	United States	Record daily precipitation	128.3 mm (5.1 in)	52 of 100 (Notable)
Melbourne WFO	United States	Record daily precipitation	82.0 mm (3.2 in)	52 of 100 (Notable)
Miara	Australia	Record daily precipitation	94.4 mm (3.7 in)	51 of 100 (Notable)
Archerfield Airport	Australia	Record daily precipitation	80.8 mm (3.2 in)	51 of 100 (Notable)
Alderley	Australia	Record daily precipitation	111.4 mm (4.4 in)	51 of 100 (Notable)
Sunnybank Bowls Club	Australia	Record daily precipitation	77.2 mm (3.0 in)	51 of 100 (Notable)
Caltex Refineries (Qld) Ltd	Australia	Record daily precipitation	96.0 mm (3.8 in)	51 of 100 (Notable)
Linville	Australia	Record daily precipitation	57.0 mm (2.2 in)	51 of 100 (Notable)
Boomi (Barwon St)	Australia	Record daily precipitation	46.0 mm (1.8 in)	51 of 100 (Notable)
Sanford	United States	Record daily precipitation	120.7 mm (4.8 in)	51 of 100 (Notable)
Hattonvale Store	Australia	Record daily precipitation	71.8 mm (2.8 in)	50 of 100 (Notable)
Little Yabba Sfr 274	Australia	Record daily precipitation	82.0 mm (3.2 in)	50 of 100 (Notable)
Lowood Don St	Australia	Record daily precipitation	69.6 mm (2.7 in)	50 of 100 (Notable)

Counts by Type and Timescale

1,529 records

Records set or tied on 20 May 2009 by type: Highest daily maximum 284, Lowest daily maximum 249, Highest daily minimum 267, Lowest daily minimum 218, Heaviest daily rainfall 511.

Records on 20 May 2009 by type
Record type	Records
Highest daily maximum	284
Lowest daily maximum	249
Highest daily minimum	267
Lowest daily minimum	218
Heaviest daily rainfall	511
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 May 2009 by timescale: all-time 3, monthly 66, daily 1,460.

How Much Records Were Beaten By

1,199 broken records

Margins by which the 1,199 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 191.0. Ties are not counted.

Top 20 by Significance

20 May 2009

Top 20 records on 20 May 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 2009	Beerburrum Forest Station, AU	monthly rain	301.8 mm (11.9 in)	98.6 mm (3.9 in)	105 years	90 of 100 (Exceptional)
20 May 2009	Crows Nest, AU	daily rain	107.6 mm (4.2 in)	88.5 mm (3.5 in)	112 years	80 of 100 (Exceptional)
20 May 2009	Cecil Plains Homestead, AU	daily rain	65.0 mm (2.6 in)	40.6 mm (1.6 in)	112 years	72 of 100 (Major)
20 May 2009	Imbil Post Office, AU	daily rain	91.5 mm (3.6 in)	73.2 mm (2.9 in)	75 years	71 of 100 (Major)
20 May 2009	Esk Post Office, AU	daily rain	120.2 mm (4.7 in)	96.1 mm (3.8 in)	64 years	69 of 100 (Major)
20 May 2009	Amcor - Petrie Mill, AU	daily rain	146.0 mm (5.7 in)	83.0 mm (3.3 in)	64 years	69 of 100 (Major)
20 May 2009	Coominya Post Office, AU	daily rain	90.0 mm (3.5 in)	64.9 mm (2.6 in)	64 years	68 of 100 (Major)
20 May 2009	Crescent City, US	daily rain	112.0 mm (4.4 in)	73.9 mm (2.9 in)	66 years	68 of 100 (Major)
20 May 2009	Lindfield, AU	daily rain	98.4 mm (3.9 in)	80.4 mm (3.2 in)	64 years	67 of 100 (Major)
20 May 2009	Mt Glorious Fahey Rd, AU	daily rain	225.0 mm (8.9 in)	191.0 mm (7.5 in)	64 years	66 of 100 (Major)
20 May 2009	Wooroolin Post Office, AU	daily rain	46.0 mm (1.8 in)	36.1 mm (1.4 in)	76 years	65 of 100 (Major)
20 May 2009	Kilcoy Post Office, AU	daily rain	86.0 mm (3.4 in)	75.1 mm (3.0 in)	46 years	63 of 100 (Major)
20 May 2009	Toogoolawah Post Office, AU	daily rain	90.8 mm (3.6 in)	61.1 mm (2.4 in)	46 years	63 of 100 (Major)
20 May 2009	Manly Railway Station, AU	daily rain	103.6 mm (4.1 in)	86.6 mm (3.4 in)	46 years	63 of 100 (Major)
20 May 2009	Toombul Bowls Club, AU	daily rain	111.6 mm (4.4 in)	59.5 mm (2.3 in)	64 years	63 of 100 (Major)
20 May 2009	Lake Manchester, AU	daily rain	76.0 mm (3.0 in)	48.3 mm (1.9 in)	64 years	62 of 100 (Major)
20 May 2009	Wamuran, AU	monthly rain	264.7 mm (10.4 in)	87.0 mm (3.4 in)	13 years	62 of 100 (Major)
20 May 2009	Presa Alvaro Obregon, MX	daily rain	38.9 mm (1.5 in)	38.9 mm (1.5 in)	60 years	62 of 100 (Major)
20 May 2009	Eagle Farm Racecourse, AU	daily rain	110.0 mm (4.3 in)	60.5 mm (2.4 in)	64 years	61 of 100 (Major)
20 May 2009	Woleebee Nevasa, AU	daily rain	140.0 mm (5.5 in)	111.6 mm (4.4 in)	38 years	60 of 100 (Major)

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

1802 to 2009

Records set or tied on this calendar date in each year from 1802 to 2009. 2009 had 1,529 records.

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

Records on 05-20 in each year
Year	Records
1802	1
1803	1
1804	1
1815	1
1825	1
1837	1
1844	1
1845	3
1847	1
1854	1
1858	3
1861	1
1862	1
1865	1
1867	1
1868	2
1870	3
1871	2
1876	2
1877	3
1879	1
1880	2
1884	2
1885	1
1887	2
1889	3
1890	3
1891	5
1892	3
1893	1
1894	6
1895	3
1896	3
1897	3
1898	4
1899	4
1900	1
1901	5
1902	11
1903	19
1904	4
1905	4
1906	22
1907	35
1908	23
1909	10
1910	20
1911	82
1912	20
1913	10
1914	16
1915	42
1916	29
1917	46
1918	92
1919	56
1920	44
1921	234
1922	40
1923	125
1924	189
1925	251
1926	128
1927	118
1928	138
1929	323
1930	129
1931	451
1932	689
1933	449
1934	582
1935	259
1936	207
1937	270
1938	331
1939	266
1940	337
1941	378
1942	337
1943	802
1944	315
1945	498
1946	339
1947	358
1948	514
1949	586
1950	327
1951	288
1952	615
1953	518
1954	822
1955	421
1956	565
1957	728
1958	378
1959	785
1960	612
1961	333
1962	773
1963	732
1964	517
1965	200
1966	416
1967	587
1968	743
1969	885
1970	310
1971	653
1972	612
1973	419
1974	893
1975	1,332
1976	837
1977	553
1978	534
1979	683
1980	751
1981	1,540
1982	554
1983	1,307
1984	867
1985	426
1986	790
1987	1,036
1988	805
1989	764
1990	722
1991	925
1992	1,200
1993	1,208
1994	778
1995	734
1996	1,749
1997	1,106
1998	1,124
1999	673
2000	991
2001	847
2002	2,299
2003	1,201
2004	746
2005	929
2006	1,006
2007	565
2008	999
2009	1,529
2010	1,011
2011	1,117
2012	604
2013	919
2014	629
2015	1,001
2016	692
2017	1,214
2018	460
2019	1,483
2020	784
2021	904
2022	1,643
2023	1,106
2024	478
2025	969
2026	696

Download the Data

Data for records on 2009-05-20: 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 25	1,056
25 to 50	82
50 to 75	34
75 to 100	21
100 to 125	3
125 to 150	1
150 to 175	1
175 to 200	1