Weather Records on 20 May 1933

449 weather records were set or tied worldwide on 20 May 1933. Highest significance: Parramatta, AU.

Key Facts for 20 May 1933

On 20 May 1933, 449 weather records were set or tied at long-record stations worldwide.
220 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 444 daily.
Parramatta set a daily record precipitation of 87.1 mm (3.4 in) on 20 May 1933.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 456 records.

Record Map

449 stations

449 station records on 20 May 1933 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1933: highest significance records shown on the map
Station	Country	Type	Value	Significance
Parramatta	Australia	Record daily precipitation	87.1 mm (3.4 in)	68 of 100 (Major)
Sydney (Observatory Hill)	Australia	Record daily precipitation	96.5 mm (3.8 in)	53 of 100 (Notable)
Navanagar	India	Record daily precipitation	76.2 mm (3.0 in)	52 of 100 (Notable)
Prospect Reservoir	Australia	Record daily precipitation	73.7 mm (2.9 in)	51 of 100 (Notable)
Darkes Forest (Kintyre)	Australia	Record daily precipitation	143.5 mm (5.6 in)	51 of 100 (Notable)
Potts Hill Reservoir	Australia	Record daily precipitation	87.4 mm (3.4 in)	50 of 100 (Notable)
Ames 3 SW	United States	Record daily precipitation	81.3 mm (3.2 in)	50 of 100 (Notable)
Rockford	United States	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Ness City	United States	Record daily precipitation	58.7 mm (2.3 in)	46 of 100 (Notable)
Jamberoo (Lorna)	Australia	Record daily precipitation	113.3 mm (4.5 in)	45 of 100 (Notable)
Junagadh	India	Record daily precipitation	75.2 mm (3.0 in)	45 of 100 (Notable)
Jefferson	United States	Record daily precipitation	77.0 mm (3.0 in)	45 of 100 (Notable)
Sydney Botanic Gardens	Australia	Record daily precipitation	80.3 mm (3.2 in)	44 of 100 (Notable)
Centennial Park	Australia	Record daily precipitation	85.1 mm (3.4 in)	44 of 100 (Notable)
Hindupur	India	Record daily precipitation	73.7 mm (2.9 in)	44 of 100 (Notable)
Bagepalli	India	Record daily precipitation	66.0 mm (2.6 in)	44 of 100 (Notable)
Minchinbury	Australia	Record daily precipitation	73.4 mm (2.9 in)	43 of 100 (Notable)
Kiama Bowling Club	Australia	Record daily precipitation	95.3 mm (3.8 in)	42 of 100 (Notable)
Ashfield Bowling Club	Australia	Record daily precipitation	72.4 mm (2.9 in)	41 of 100 (Notable)
Helensburgh (Sawan St)	Australia	Record daily precipitation	141.0 mm (5.6 in)	41 of 100 (Notable)
Lilli Pilli	Australia	Record daily precipitation	83.1 mm (3.3 in)	40 of 100 (Notable)
Wentworth Falls Post Office	Australia	Record daily precipitation	66.5 mm (2.6 in)	38 of 100 (Notable)
Albion Park Post Office	Australia	Record daily precipitation	77.7 mm (3.1 in)	36 of 100 (Notable)
Wollongong Post Office	Australia	Record daily precipitation	70.4 mm (2.8 in)	35 of 100 (Notable)
Baxter	United States	Record daily precipitation	104.1 mm (4.1 in)	35 of 100 (Notable)
Mount Victoria (Mt Victoria (S	Australia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Robertson (Caalong Street)	Australia	Record daily precipitation	102.4 mm (4.0 in)	33 of 100 (Routine)
Jaipur	India	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
Richmond - Uws Hawkesbury	Australia	Record daily precipitation	42.7 mm (1.7 in)	31 of 100 (Routine)
Prairie du Chien	United States	Record daily precipitation	51.8 mm (2.0 in)	31 of 100 (Routine)
Windsor Bowling Club	Australia	Record daily precipitation	55.9 mm (2.2 in)	30 of 100 (Routine)
Cataract River	Australia	Record daily precipitation	46.0 mm (1.8 in)	30 of 100 (Routine)
Clarence Town (Grey St)	Australia	Record daily precipitation	44.5 mm (1.8 in)	29 of 100 (Routine)
Katoomba (Murri St)	Australia	Record daily precipitation	49.8 mm (2.0 in)	29 of 100 (Routine)
Kurrajong Heights (Bells Line	Australia	Record daily precipitation	35.1 mm (1.4 in)	29 of 100 (Routine)
Wamberal Post Office	Australia	Record daily precipitation	45.0 mm (1.8 in)	28 of 100 (Routine)
Berry Masonic Village	Australia	Record daily precipitation	80.5 mm (3.2 in)	28 of 100 (Routine)
Gudibanda	India	Record daily precipitation	44.7 mm (1.8 in)	28 of 100 (Routine)
Beloit	United States	Record daily precipitation	35.1 mm (1.4 in)	28 of 100 (Routine)
Ryde Pumping Station	Australia	Record daily precipitation	60.5 mm (2.4 in)	27 of 100 (Routine)
Minto Surrey Street	Australia	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Ft Dodge 5NNW	United States	Record daily precipitation	60.2 mm (2.4 in)	27 of 100 (Routine)
Mosman (Bapaume Road)	Australia	Record daily precipitation	65.3 mm (2.6 in)	26 of 100 (Routine)
Pennant Hills (Yarrara Road)	Australia	Record daily precipitation	101.6 mm (4.0 in)	26 of 100 (Routine)
Burrawang (Range Street)	Australia	Record daily precipitation	88.1 mm (3.5 in)	26 of 100 (Routine)
Milton Post Office	Australia	Record daily precipitation	47.2 mm (1.9 in)	26 of 100 (Routine)
Holalkhere	India	Record daily precipitation	53.3 mm (2.1 in)	26 of 100 (Routine)
Cobbity (Roseneath)	Australia	Record daily precipitation	30.0 mm (1.2 in)	25 of 100 (Routine)
Bellary	India	Record daily precipitation	55.4 mm (2.2 in)	25 of 100 (Routine)
Raymond Terrace Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Narellan	Australia	Record daily precipitation	28.4 mm (1.1 in)	24 of 100 (Routine)
Mc Cool Junction	United States	Record daily precipitation	38.6 mm (1.5 in)	24 of 100 (Routine)
Glenara	Australia	Record daily precipitation	35.3 mm (1.4 in)	23 of 100 (Routine)
Muscle Creek (Clendinning)	Australia	Record daily precipitation	26.9 mm (1.1 in)	22 of 100 (Routine)
Sycamore	United States	Record daily precipitation	33.8 mm (1.3 in)	22 of 100 (Routine)
Mount Wilson (Nooroo)	Australia	Record daily precipitation	29.5 mm (1.2 in)	21 of 100 (Routine)
Menangle	Australia	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Gundlupet	India	Record daily precipitation	40.6 mm (1.6 in)	21 of 100 (Routine)
Spring Ridge	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Songadh	India	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)

Counts by Type and Timescale

449 records

Records set or tied on 20 May 1933 by type: Highest daily maximum 116, Lowest daily maximum 1, Highest daily minimum 104, Lowest daily minimum 19, Heaviest daily rainfall 209.

Records on 20 May 1933 by type
Record type	Records
Highest daily maximum	116
Lowest daily maximum	1
Highest daily minimum	104
Lowest daily minimum	19
Heaviest daily rainfall	209
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 May 1933 by timescale: all-time 0, monthly 5, daily 444.

How Much Records Were Beaten By

338 broken records

Margins by which the 338 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 107.2. Ties are not counted.

Top 20 by Significance

20 May 1933

Top 20 records on 20 May 1933 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1933	Parramatta, AU	daily rain	87.1 mm (3.4 in)	76.2 mm (3.0 in)	61 years	68 of 100 (Major)
20 May 1933	Sydney (Observatory Hill), AU	daily rain	96.5 mm (3.8 in)	60.2 mm (2.4 in)	50 years	53 of 100 (Notable)
20 May 1933	Navanagar, IN	daily rain	76.2 mm (3.0 in)	76.2 mm (3.0 in)	32 years	52 of 100 (Notable)
20 May 1933	Prospect Reservoir, AU	daily rain	73.7 mm (2.9 in)	65.8 mm (2.6 in)	24 years	51 of 100 (Notable)
20 May 1933	Darkes Forest (Kintyre), AU	daily rain	143.5 mm (5.6 in)	107.2 mm (4.2 in)	24 years	51 of 100 (Notable)
20 May 1933	Potts Hill Reservoir, AU	daily rain	87.4 mm (3.4 in)	70.4 mm (2.8 in)	24 years	50 of 100 (Notable)
20 May 1933	Ames 3 SW, US	daily rain	81.3 mm (3.2 in)	59.7 mm (2.4 in)	20 years	50 of 100 (Notable)
20 May 1933	Rockford, US	daily rain	53.3 mm (2.1 in)	36.5 mm (1.4 in)	20 years	48 of 100 (Notable)
20 May 1933	Ness City, US	daily rain	58.7 mm (2.3 in)	44.5 mm (1.8 in)	27 years	46 of 100 (Notable)
20 May 1933	Jamberoo (Lorna), AU	daily rain	113.3 mm (4.5 in)	75.2 mm (3.0 in)	35 years	45 of 100 (Notable)
20 May 1933	Junagadh, IN	monthly rain	75.2 mm (3.0 in)	27.2 mm (1.1 in)	19 years	45 of 100 (Notable)
20 May 1933	Jefferson, US	daily rain	77.0 mm (3.0 in)	55.9 mm (2.2 in)	6 years	45 of 100 (Notable)
20 May 1933	Sydney Botanic Gardens, AU	daily rain	80.3 mm (3.2 in)	62.5 mm (2.5 in)	45 years	44 of 100 (Notable)
20 May 1933	Centennial Park, AU	daily rain	85.1 mm (3.4 in)	60.0 mm (2.4 in)	28 years	44 of 100 (Notable)
20 May 1933	Hindupur, IN	daily rain	73.7 mm (2.9 in)	50.8 mm (2.0 in)	20 years	44 of 100 (Notable)
20 May 1933	Bagepalli, IN	daily rain	66.0 mm (2.6 in)	55.8 mm (2.2 in)	6 years	44 of 100 (Notable)
20 May 1933	Minchinbury, AU	daily rain	73.4 mm (2.9 in)	62.0 mm (2.4 in)	0 years	43 of 100 (Notable)
20 May 1933	Kiama Bowling Club, AU	daily rain	95.3 mm (3.8 in)	76.0 mm (3.0 in)	8 years	42 of 100 (Notable)
20 May 1933	Ashfield Bowling Club, AU	daily rain	72.4 mm (2.9 in)	51.6 mm (2.0 in)	24 years	41 of 100 (Notable)
20 May 1933	Helensburgh (Sawan St), AU	daily rain	141.0 mm (5.6 in)	87.9 mm (3.5 in)	24 years	41 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

1802 to 1933

Records set or tied on this calendar date in each year from 1802 to 1933. 1933 had 449 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 1933-05-20: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	286
20 to 40	28
40 to 60	11
60 to 80	11
80 to 100	1
100 to 120	1