Weather Records on 27 May 1974

630 weather records were set or tied worldwide on 27 May 1974. Highest significance: Penrose (Panorama), AU.

Key Facts for 27 May 1974

On 27 May 1974, 630 weather records were set or tied at long-record stations worldwide.
246 were record highs and 128 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 28 monthly and 601 daily.
Penrose (Panorama) set a daily record precipitation of 121.2 mm (4.8 in) on 27 May 1974.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 416 records.

Record Map

630 stations

630 station records on 27 May 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Penrose (Panorama)	Australia	Record daily precipitation	121.2 mm (4.8 in)	56 of 100 (Notable)
Exeter	Australia	Record daily precipitation	108.0 mm (4.3 in)	53 of 100 (Notable)
Rylstone (Ilford Rd)	Australia	Record daily precipitation	45.1 mm (1.8 in)	52 of 100 (Notable)
Adaminaby Alpine Tourist Park	Australia	Record daily precipitation	52.0 mm (2.0 in)	52 of 100 (Notable)
Dowerin	Australia	Record daily precipitation	40.6 mm (1.6 in)	51 of 100 (Notable)
Nimmitabel Wastewater Treatmen	Australia	Record daily precipitation	141.2 mm (5.6 in)	51 of 100 (Notable)
Lahaina 361	United States	Record daily precipitation	40.9 mm (1.6 in)	50 of 100 (Notable)
Craigie (Bondi Forest Lodge)	Australia	Record daily precipitation	66.1 mm (2.6 in)	48 of 100 (Notable)
Narooma Rvcp	Australia	Record daily precipitation	59.0 mm (2.3 in)	47 of 100 (Notable)
Tallong (Caoura)	Australia	Record daily precipitation	56.0 mm (2.2 in)	44 of 100 (Notable)
Vladikavkaz	Russia	Record daily precipitation	59.9 mm (2.4 in)	42 of 100 (Notable)
Crawford 5 W	United States	Record daily precipitation	57.2 mm (2.3 in)	42 of 100 (Notable)
Big Hill (Glen Dusk)	Australia	Record daily precipitation	46.0 mm (1.8 in)	41 of 100 (Notable)
Cessnock Post Office	Australia	Record daily precipitation	67.8 mm (2.7 in)	39 of 100 (Notable)
Salisbury Post Office	Australia	Record daily precipitation	60.0 mm (2.4 in)	38 of 100 (Notable)
Mountain View Birdseye	Canada	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Strawberry North	Australia	Record daily precipitation	28.0 mm (1.1 in)	37 of 100 (Notable)
Belanglo State Forest	Australia	Record daily precipitation	88.8 mm (3.5 in)	37 of 100 (Notable)
Fall River	United States	Record low maximum temperature	9.4 C (48.9 F)	37 of 100 (Notable)
Irapuato	Mexico	Record low minimum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Caribou 2 S	United States	Record daily precipitation	40.9 mm (1.6 in)	36 of 100 (Notable)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	74.0 mm (2.9 in)	35 of 100 (Notable)
Quintana	Brazil	Record daily precipitation	39.5 mm (1.6 in)	35 of 100 (Notable)
Elberta	United States	Record high maximum temperature	35.6 C (96.1 F)	35 of 100 (Notable)
Emu Plains	Australia	Record daily precipitation	60.0 mm (2.4 in)	34 of 100 (Routine)
Yalwal	Australia	Record daily precipitation	121.1 mm (4.8 in)	34 of 100 (Routine)
Srednij Kalar	Russia	Record daily precipitation	29.8 mm (1.2 in)	34 of 100 (Routine)
Peterboro 2 S	United States	Record low maximum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Scipio	United States	Record high minimum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Clarence Town (Grey St)	Australia	Record daily precipitation	51.4 mm (2.0 in)	33 of 100 (Routine)
Mountain View	Canada	Record daily snowfall	7.1 cm (2.8 in)	33 of 100 (Routine)
Chickamauga 2 SW	United States	Record daily precipitation	40.9 mm (1.6 in)	33 of 100 (Routine)
Chestnut Hill	United States	Record low maximum temperature	7.2 C (45.0 F)	33 of 100 (Routine)
Springfield	United States	Record low maximum temperature	12.2 C (54.0 F)	33 of 100 (Routine)
Marulan (Arthursleigh)	Australia	Record daily precipitation	53.8 mm (2.1 in)	32 of 100 (Routine)
Tribune 1W	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Enka	United States	Record daily precipitation	45.7 mm (1.8 in)	32 of 100 (Routine)
Springfield	Canada	Record daily snowfall	5.1 cm (2.0 in)	31 of 100 (Routine)
Churumuco (Cfe)	Mexico	Record daily precipitation	36.3 mm (1.4 in)	31 of 100 (Routine)
Kayenta	United States	Record low minimum temperature	-1.7 C (28.9 F)	31 of 100 (Routine)
Taunton	United States	Record low maximum temperature	9.4 C (48.9 F)	31 of 100 (Routine)
Copperhill	United States	Record daily precipitation	54.6 mm (2.1 in)	31 of 100 (Routine)
Dungog Post Office	Australia	Record daily precipitation	44.0 mm (1.7 in)	30 of 100 (Routine)
St Margaret's Bay	Canada	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Carbon Hill 4SE	United States	Record daily precipitation	62.2 mm (2.4 in)	30 of 100 (Routine)
Oneonta	United States	Record low maximum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Stockton Fire STN 4	United States	Record high minimum temperature	18.3 C (64.9 F)	30 of 100 (Routine)
Dalton	United States	Record daily precipitation	42.7 mm (1.7 in)	30 of 100 (Routine)
Amite	United States	Record low maximum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Brockton	United States	Record low maximum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Bolivar 1 NE	United States	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Franklin	United States	Record daily precipitation	45.0 mm (1.8 in)	30 of 100 (Routine)
Monticello 2E	United States	Record high maximum temperature	30.0 C (86.0 F)	30 of 100 (Routine)
Ravensworth (Hillview)	Australia	Record daily precipitation	32.0 mm (1.3 in)	29 of 100 (Routine)
The Oaks John Street	Australia	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Acude Salao	Brazil	Record daily precipitation	69.6 mm (2.7 in)	29 of 100 (Routine)
Idaho Springs	United States	Record high minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Lawrence	United States	Record low maximum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Steffenville	United States	Record low maximum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Murphy 4ESE	United States	Record daily precipitation	48.3 mm (1.9 in)	29 of 100 (Routine)

Counts by Type and Timescale

630 records

Records set or tied on 27 May 1974 by type: Highest daily maximum 155, Lowest daily maximum 105, Highest daily minimum 91, Lowest daily minimum 23, Heaviest daily rainfall 242, Heaviest daily snowfall 13, Deepest snow cover 1.

Records on 27 May 1974 by type
Record type	Records
Highest daily maximum	155
Lowest daily maximum	105
Highest daily minimum	91
Lowest daily minimum	23
Heaviest daily rainfall	242
Heaviest daily snowfall	13
Deepest snow cover	1

Records on 27 May 1974 by timescale: all-time 1, monthly 28, daily 601.

How Much Records Were Beaten By

492 broken records

Margins by which the 492 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

27 May 1974

Top 20 records on 27 May 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1974	Penrose (Panorama), AU	daily rain	121.2 mm (4.8 in)	67.9 mm (2.7 in)	48 years	56 of 100 (Notable)
27 May 1974	Exeter, AU	daily rain	108.0 mm (4.3 in)	67.4 mm (2.7 in)	48 years	53 of 100 (Notable)
27 May 1974	Rylstone (Ilford Rd), AU	daily rain	45.1 mm (1.8 in)	16.9 mm (0.7 in)	84 years	52 of 100 (Notable)
27 May 1974	Adaminaby Alpine Tourist Park, AU	daily rain	52.0 mm (2.0 in)	27.1 mm (1.1 in)	48 years	52 of 100 (Notable)
27 May 1974	Dowerin, AU	daily rain	40.6 mm (1.6 in)	26.9 mm (1.1 in)	24 years	51 of 100 (Notable)
27 May 1974	Nimmitabel Wastewater Treatmen, AU	monthly rain	141.2 mm (5.6 in)	26.6 mm (1.0 in)	30 years	51 of 100 (Notable)
27 May 1974	Lahaina 361, US	daily rain	40.9 mm (1.6 in)	40.6 mm (1.6 in)	19 years	50 of 100 (Notable)
27 May 1974	Craigie (Bondi Forest Lodge), AU	daily rain	66.1 mm (2.6 in)	53.9 mm (2.1 in)	24 years	48 of 100 (Notable)
27 May 1974	Narooma Rvcp, AU	daily rain	59.0 mm (2.3 in)	37.2 mm (1.5 in)	55 years	47 of 100 (Notable)
27 May 1974	Tallong (Caoura), AU	daily rain	56.0 mm (2.2 in)	56.0 mm (2.2 in)	47 years	44 of 100 (Notable)
27 May 1974	Vladikavkaz, RU	daily rain	59.9 mm (2.4 in)	21.5 mm (0.8 in)	41 years	42 of 100 (Notable)
27 May 1974	Crawford 5 W, US	daily rain	57.2 mm (2.3 in)	51.4 mm (2.0 in)	11 years	42 of 100 (Notable)
27 May 1974	Big Hill (Glen Dusk), AU	daily rain	46.0 mm (1.8 in)	31.3 mm (1.2 in)	24 years	41 of 100 (Notable)
27 May 1974	Cessnock Post Office, AU	daily rain	67.8 mm (2.7 in)	41.6 mm (1.6 in)	19 years	39 of 100 (Notable)
27 May 1974	Salisbury Post Office, AU	daily rain	60.0 mm (2.4 in)	43.7 mm (1.7 in)	19 years	38 of 100 (Notable)
27 May 1974	Mountain View Birdseye, CA	daily rain	34.3 mm (1.4 in)	21.6 mm (0.9 in)	52 years	38 of 100 (Notable)
27 May 1974	Strawberry North, AU	daily rain	28.0 mm (1.1 in)	15.3 mm (0.6 in)	48 years	37 of 100 (Notable)
27 May 1974	Belanglo State Forest, AU	daily rain	88.8 mm (3.5 in)	60.1 mm (2.4 in)	19 years	37 of 100 (Notable)
27 May 1974	Fall River, US	daily low max	9.4 C (48.9 F)	2.8 C (5.0 F)	80 years	37 of 100 (Notable)
27 May 1974	Irapuato, MX	daily low min	10.6 C (51.1 F)	2.2 C (4.0 F)	64 years	36 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

1797 to 1974

Records set or tied on this calendar date in each year from 1797 to 1974. 1974 had 630 records.

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

Records on 05-27 in each year
Year	Records
1797	1
1817	1
1818	1
1834	2
1836	4
1839	1
1845	1
1846	1
1847	1
1849	1
1852	1
1858	1
1860	1
1863	1
1864	3
1868	4
1869	1
1874	1
1876	1
1879	3
1880	5
1881	2
1883	1
1884	1
1885	1
1886	1
1888	1
1889	3
1890	5
1891	2
1892	8
1893	5
1894	13
1895	4
1896	3
1897	1
1898	3
1899	2
1900	4
1901	7
1902	12
1903	7
1904	11
1905	7
1906	28
1907	23
1908	16
1909	7
1910	31
1911	53
1912	27
1913	19
1914	92
1915	63
1916	26
1917	23
1918	39
1919	38
1920	40
1921	56
1922	36
1923	86
1924	92
1925	291
1926	107
1927	183
1928	81
1929	195
1930	99
1931	367
1932	265
1933	284
1934	393
1935	128
1936	468
1937	298
1938	492
1939	312
1940	138
1941	436
1942	657
1943	160
1944	479
1945	272
1946	424
1947	485
1948	324
1949	366
1950	697
1951	578
1952	258
1953	603
1954	367
1955	571
1956	491
1957	367
1958	619
1959	449
1960	421
1961	1,504
1962	460
1963	421
1964	317
1965	652
1966	398
1967	492
1968	605
1969	850
1970	326
1971	612
1972	508
1973	943
1974	630
1975	404
1976	589
1977	663
1978	814
1979	899
1980	644
1981	891
1982	838
1983	1,253
1984	834
1985	873
1986	696
1987	1,037
1988	777
1989	904
1990	804
1991	1,429
1992	1,413
1993	835
1994	848
1995	815
1996	1,378
1997	919
1998	1,079
1999	876
2000	1,347
2001	898
2002	511
2003	918
2004	838
2005	1,094
2006	1,171
2007	886
2008	914
2009	858
2010	955
2011	1,055
2012	1,475
2013	607
2014	835
2015	537
2016	622
2017	541
2018	1,355
2019	960
2020	906
2021	414
2022	653
2023	405
2024	904
2025	761
2026	1,185

Download the Data

Data for records on 1974-05-27: 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).

Histogram of margins by which records were beaten on 27 May 1974
Margin	Records
0 to 100	491
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1