Weather Records on 1 May 1955

772 weather records were set or tied worldwide on 1 May 1955. Highest significance: Sydney (Observatory Hill), AU.

Key Facts for 1 May 1955

On 1 May 1955, 772 weather records were set or tied at long-record stations worldwide.
363 were record highs and 45 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 39 monthly and 732 daily.
Sydney (Observatory Hill) set a daily record precipitation of 188.2 mm (7.4 in) on 1 May 1955.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 440 records.

Record Map

772 stations

772 station records on 1 May 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sydney (Observatory Hill)	Australia	Record daily precipitation	188.2 mm (7.4 in)	76 of 100 (Major)
Emu Plains	Australia	Record daily precipitation	118.1 mm (4.6 in)	68 of 100 (Major)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	41.9 mm (1.6 in)	68 of 100 (Major)
Campbelltown 1	Australia	Record daily precipitation	99.1 mm (3.9 in)	65 of 100 (Major)
Tomewin (Border Gate)	Australia	Record daily precipitation	406.4 mm (16.0 in)	64 of 100 (Major)
Moruya Heads Pilot Station	Australia	Record daily precipitation	172.7 mm (6.8 in)	64 of 100 (Major)
Darkes Forest (Kintyre)	Australia	Record daily precipitation	172.7 mm (6.8 in)	63 of 100 (Major)
Jamberoo (Lorna)	Australia	Record daily precipitation	178.3 mm (7.0 in)	63 of 100 (Major)
Bolagamy	Australia	Record daily precipitation	37.3 mm (1.5 in)	62 of 100 (Major)
Parramatta	Australia	Record daily precipitation	106.4 mm (4.2 in)	62 of 100 (Major)
Potts Hill Reservoir	Australia	Record daily precipitation	103.6 mm (4.1 in)	62 of 100 (Major)
Randwick Bowling Club	Australia	Record daily precipitation	129.5 mm (5.1 in)	62 of 100 (Major)
Prospect Reservoir	Australia	Record daily precipitation	93.7 mm (3.7 in)	62 of 100 (Major)
Albion Park Post Office	Australia	Record daily precipitation	162.1 mm (6.4 in)	62 of 100 (Major)
Gerringong (Mayflower Village)	Australia	Record daily precipitation	160.0 mm (6.3 in)	62 of 100 (Major)
Ryde Pumping Station	Australia	Record daily precipitation	103.6 mm (4.1 in)	61 of 100 (Major)
Marulan (George St)	Australia	Record daily precipitation	101.1 mm (4.0 in)	61 of 100 (Major)
Namdalseid	Norway	Record snow depth	61.0 cm (24.0 in)	59 of 100 (Notable)
Sydney Botanic Gardens	Australia	Record daily precipitation	193.0 mm (7.6 in)	58 of 100 (Notable)
Concord Walker Hospital	Australia	Record daily precipitation	117.6 mm (4.6 in)	58 of 100 (Notable)
Menangle Jmai	Australia	Record daily precipitation	67.6 mm (2.7 in)	58 of 100 (Notable)
Glenfield (Macquarie)	Australia	Record daily precipitation	95.3 mm (3.8 in)	57 of 100 (Notable)
Helensburgh (Sawan St)	Australia	Record daily precipitation	177.8 mm (7.0 in)	57 of 100 (Notable)
Cobbity (Roseneath)	Australia	Record daily precipitation	81.8 mm (3.2 in)	57 of 100 (Notable)
Upper Urara (the Knoll)	Australia	Record daily precipitation	215.1 mm (8.5 in)	56 of 100 (Notable)
Lidcombe (Carnarvon Golf Club)	Australia	Record daily precipitation	92.7 mm (3.6 in)	56 of 100 (Notable)
Centennial Park	Australia	Record daily precipitation	153.7 mm (6.1 in)	56 of 100 (Notable)
Rocky Hall Post Office	Australia	Record daily precipitation	62.2 mm (2.4 in)	54 of 100 (Notable)
Varanasi	India	Record daily precipitation	31.8 mm (1.3 in)	54 of 100 (Notable)
Sutherland Mwsdb	Australia	Record daily precipitation	80.5 mm (3.2 in)	53 of 100 (Notable)
Nambucca Heads Bowling Club	Australia	Record daily precipitation	180.3 mm (7.1 in)	52 of 100 (Notable)
Leeton Caravan Park	Australia	Record daily precipitation	29.2 mm (1.1 in)	52 of 100 (Notable)
Pense	Canada	Record daily precipitation	30.5 mm (1.2 in)	52 of 100 (Notable)
Ernest Junction Rail STN	Australia	Record daily precipitation	137.7 mm (5.4 in)	51 of 100 (Notable)
Condong Sugar Mill	Australia	Record daily precipitation	276.4 mm (10.9 in)	51 of 100 (Notable)
Seal Rocks Camping Reserve	Australia	Record daily precipitation	116.8 mm (4.6 in)	51 of 100 (Notable)
Bringelly (Maryland)	Australia	Record daily precipitation	70.6 mm (2.8 in)	51 of 100 (Notable)
Bungonia (Inverary Park)	Australia	Record daily precipitation	78.7 mm (3.1 in)	51 of 100 (Notable)
Woodhouselee (Leeston)	Australia	Record daily precipitation	46.7 mm (1.8 in)	51 of 100 (Notable)
Bygoo	Australia	Record daily precipitation	44.5 mm (1.8 in)	51 of 100 (Notable)
Pokegama Dam	United States	Record daily precipitation	82.6 mm (3.3 in)	51 of 100 (Notable)
Robertson (Caalong Street)	Australia	Record daily precipitation	308.6 mm (12.1 in)	50 of 100 (Notable)
Grafton City Council	Australia	Record daily precipitation	85.1 mm (3.4 in)	49 of 100 (Notable)
Cundletown Post Office	Australia	Record daily precipitation	80.0 mm (3.1 in)	49 of 100 (Notable)
Cataract Dam	Australia	Record daily precipitation	116.1 mm (4.6 in)	49 of 100 (Notable)
Crookhaven Heads	Australia	Record daily precipitation	119.9 mm (4.7 in)	49 of 100 (Notable)
Penrose (Panorama)	Australia	Record daily precipitation	115.1 mm (4.5 in)	49 of 100 (Notable)
Sutton Forest (Uralba)	Australia	Record daily precipitation	151.9 mm (6.0 in)	49 of 100 (Notable)
Condobolin (Borambil Park)	Australia	Record daily precipitation	47.0 mm (1.9 in)	48 of 100 (Notable)
Raleigh Post Office	Australia	Record daily precipitation	156.7 mm (6.2 in)	48 of 100 (Notable)
Sans Souci (Public School)	Australia	Record daily precipitation	131.1 mm (5.2 in)	48 of 100 (Notable)
Gordon Golf Club	Australia	Record daily precipitation	143.3 mm (5.6 in)	48 of 100 (Notable)
Appin Church St	Australia	Record daily precipitation	95.3 mm (3.8 in)	48 of 100 (Notable)
Exeter	Australia	Record daily precipitation	144.8 mm (5.7 in)	48 of 100 (Notable)
Bettowynd (Condry)	Australia	Record daily precipitation	99.1 mm (3.9 in)	48 of 100 (Notable)
Nerang Gilston Rd	Australia	Record daily precipitation	192.8 mm (7.6 in)	47 of 100 (Notable)
Mullumbimby (Fairview Farm)	Australia	Record daily precipitation	156.2 mm (6.1 in)	47 of 100 (Notable)
Krambach (Bellevue)	Australia	Record daily precipitation	106.7 mm (4.2 in)	47 of 100 (Notable)
Wyee (Wyee Farms Rd)	Australia	Record daily precipitation	93.2 mm (3.7 in)	47 of 100 (Notable)
Glenara	Australia	Record daily precipitation	78.5 mm (3.1 in)	47 of 100 (Notable)

Counts by Type and Timescale

772 records

Records set or tied on 1 May 1955 by type: Highest daily maximum 155, Lowest daily maximum 29, Highest daily minimum 208, Lowest daily minimum 16, Heaviest daily rainfall 351, Heaviest daily snowfall 5, Deepest snow cover 8.

Records on 1 May 1955 by type
Record type	Records
Highest daily maximum	155
Lowest daily maximum	29
Highest daily minimum	208
Lowest daily minimum	16
Heaviest daily rainfall	351
Heaviest daily snowfall	5
Deepest snow cover	8

Records on 1 May 1955 by timescale: all-time 1, monthly 39, daily 732.

How Much Records Were Beaten By

659 broken records

Margins by which the 659 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 360.0. Ties are not counted.

Top 20 by Significance

1 May 1955

Top 20 records on 1 May 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1955	Sydney (Observatory Hill), AU	daily rain	188.2 mm (7.4 in)	130.3 mm (5.1 in)	90 years	76 of 100 (Major)
1 May 1955	Emu Plains, AU	daily rain	118.1 mm (4.6 in)	102.6 mm (4.0 in)	70 years	68 of 100 (Major)
1 May 1955	West Wyalong (Tallimbalong), AU	daily rain	41.9 mm (1.6 in)	31.5 mm (1.2 in)	72 years	68 of 100 (Major)
1 May 1955	Campbelltown 1, AU	daily rain	99.1 mm (3.9 in)	85.6 mm (3.4 in)	50 years	65 of 100 (Major)
1 May 1955	Tomewin (Border Gate), AU	monthly rain	406.4 mm (16.0 in)	114.3 mm (4.5 in)	35 years	64 of 100 (Major)
1 May 1955	Moruya Heads Pilot Station, AU	daily rain	172.7 mm (6.8 in)	133.3 mm (5.2 in)	55 years	64 of 100 (Major)
1 May 1955	Darkes Forest (Kintyre), AU	daily rain	172.7 mm (6.8 in)	117.3 mm (4.6 in)	56 years	63 of 100 (Major)
1 May 1955	Jamberoo (Lorna), AU	daily rain	178.3 mm (7.0 in)	166.1 mm (6.5 in)	53 years	63 of 100 (Major)
1 May 1955	Bolagamy, AU	daily rain	37.3 mm (1.5 in)	28.7 mm (1.1 in)	55 years	62 of 100 (Major)
1 May 1955	Parramatta, AU	daily rain	106.4 mm (4.2 in)	46.7 mm (1.8 in)	83 years	62 of 100 (Major)
1 May 1955	Potts Hill Reservoir, AU	daily rain	103.6 mm (4.1 in)	90.9 mm (3.6 in)	53 years	62 of 100 (Major)
1 May 1955	Randwick Bowling Club, AU	daily rain	129.5 mm (5.1 in)	107.9 mm (4.2 in)	53 years	62 of 100 (Major)
1 May 1955	Prospect Reservoir, AU	daily rain	93.7 mm (3.7 in)	78.5 mm (3.1 in)	53 years	62 of 100 (Major)
1 May 1955	Albion Park Post Office, AU	daily rain	162.1 mm (6.4 in)	154.5 mm (6.1 in)	53 years	62 of 100 (Major)
1 May 1955	Gerringong (Mayflower Village), AU	daily rain	160.0 mm (6.3 in)	123.9 mm (4.9 in)	55 years	62 of 100 (Major)
1 May 1955	Ryde Pumping Station, AU	daily rain	103.6 mm (4.1 in)	90.9 mm (3.6 in)	50 years	61 of 100 (Major)
1 May 1955	Marulan (George St), AU	daily rain	101.1 mm (4.0 in)	96.3 mm (3.8 in)	52 years	61 of 100 (Major)
1 May 1955	Namdalseid, NO	monthly snow depth	61.0 cm (24.0 in)	36.0 cm (14.2 in)	10 years	59 of 100 (Notable)
1 May 1955	Sydney Botanic Gardens, AU	daily rain	193.0 mm (7.6 in)	176.7 mm (7.0 in)	37 years	58 of 100 (Notable)
1 May 1955	Concord Walker Hospital, AU	daily rain	117.6 mm (4.6 in)	104.4 mm (4.1 in)	42 years	58 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 1955

Records set or tied on this calendar date in each year from 1795 to 1955. 1955 had 772 records.

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

Records on 05-01 in each year
Year	Records
1795	1
1802	1
1804	1
1814	1
1818	1
1835	1
1836	1
1840	1
1846	2
1847	1
1850	1
1851	1
1857	1
1860	1
1861	1
1864	2
1865	1
1868	2
1872	1
1875	4
1878	2
1879	2
1880	3
1881	2
1884	1
1885	1
1886	2
1887	2
1888	2
1889	3
1890	2
1891	5
1892	6
1893	2
1894	5
1896	1
1897	4
1898	1
1899	8
1900	1
1901	5
1902	7
1903	9
1904	9
1905	13
1906	12
1907	31
1908	20
1909	49
1910	13
1911	22
1912	18
1913	54
1914	23
1915	27
1916	27
1917	37
1918	34
1919	150
1920	186
1921	41
1922	92
1923	64
1924	63
1925	118
1926	500
1927	125
1928	190
1929	142
1930	263
1931	537
1932	220
1933	706
1934	305
1935	276
1936	368
1937	218
1938	304
1939	227
1940	731
1941	333
1942	1,036
1943	526
1944	229
1945	350
1946	415
1947	655
1948	774
1949	405
1950	439
1951	894
1952	557
1953	917
1954	1,506
1955	772
1956	1,106
1957	359
1958	448
1959	764
1960	737
1961	588
1962	615
1963	704
1964	312
1965	360
1966	707
1967	948
1968	426
1969	429
1970	1,075
1971	444
1972	562
1973	841
1974	589
1975	286
1976	673
1977	545
1978	1,202
1979	612
1980	507
1981	1,265
1982	508
1983	1,423
1984	640
1985	789
1986	512
1987	1,098
1988	1,058
1989	949
1990	922
1991	633
1992	1,201
1993	1,101
1994	1,210
1995	1,365
1996	1,439
1997	804
1998	951
1999	932
2000	809
2001	1,106
2002	1,221
2003	964
2004	887
2005	1,320
2006	734
2007	857
2008	979
2009	679
2010	1,151
2011	716
2012	796
2013	976
2014	941
2015	550
2016	844
2017	1,163
2018	519
2019	788
2020	1,099
2021	834
2022	319
2023	912
2024	458
2025	430
2026	623

Download the Data

Data for records on 1955-05-01: 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 50	579
50 to 100	45
100 to 150	27
150 to 200	6
200 to 250	0
250 to 300	1
300 to 350	0
350 to 400	1