Weather Records on 12 May 1974

702 weather records were set or tied worldwide on 12 May 1974. Highest significance: Cairo 3 S, US.

Key Facts for 12 May 1974

On 12 May 1974, 702 weather records were set or tied at long-record stations worldwide.
142 were record highs and 107 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 686 daily.
Cairo 3 S set a daily record precipitation of 61.0 mm (2.4 in) on 12 May 1974.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 451 records.

Record Map

702 stations

702 station records on 12 May 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cairo 3 S	United States	Record daily precipitation	61.0 mm (2.4 in)	65 of 100 (Major)
Laurel	United States	Record daily precipitation	116.3 mm (4.6 in)	59 of 100 (Notable)
Corry	United States	Record daily precipitation	52.8 mm (2.1 in)	59 of 100 (Notable)
Lewisburg 3 N	United States	Record daily precipitation	61.5 mm (2.4 in)	59 of 100 (Notable)
Ely Park	Australia	Record daily precipitation	32.0 mm (1.3 in)	58 of 100 (Notable)
Perry	United States	Record daily precipitation	106.7 mm (4.2 in)	56 of 100 (Notable)
Salmon Gums Res.STN.	Australia	Record daily precipitation	34.0 mm (1.3 in)	55 of 100 (Notable)
Bookaloo	Australia	Record daily precipitation	36.8 mm (1.4 in)	53 of 100 (Notable)
La Malbaie	Canada	Record daily precipitation	42.9 mm (1.7 in)	53 of 100 (Notable)
Bencuti (Bos)	South Africa	Record daily precipitation	58.0 mm (2.3 in)	53 of 100 (Notable)
Riachao Do Banabuiu	Brazil	Record daily precipitation	52.2 mm (2.1 in)	52 of 100 (Notable)
Hastings	United States	Record daily precipitation	63.0 mm (2.5 in)	52 of 100 (Notable)
Gorya Valley	Australia	Record daily precipitation	34.4 mm (1.4 in)	51 of 100 (Notable)
Live Oak	United States	Record daily precipitation	103.6 mm (4.1 in)	51 of 100 (Notable)
Bens Run 1 SSE	United States	Record daily precipitation	47.5 mm (1.9 in)	49 of 100 (Notable)
London Locks	United States	Record daily precipitation	38.6 mm (1.5 in)	49 of 100 (Notable)
Wirrulla (Nunjikompita)	Australia	Record daily precipitation	34.8 mm (1.4 in)	48 of 100 (Notable)
Waddikee	Australia	Record daily precipitation	29.5 mm (1.2 in)	48 of 100 (Notable)
Doctortown 1 WSW	United States	Record daily precipitation	119.4 mm (4.7 in)	48 of 100 (Notable)
Nominingue	Canada	Record daily precipitation	28.7 mm (1.1 in)	47 of 100 (Notable)
Rzev	Russia	Record daily precipitation	28.9 mm (1.1 in)	46 of 100 (Notable)
Bunkin	Australia	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Trenton A	Canada	Record daily precipitation	41.4 mm (1.6 in)	45 of 100 (Notable)
St Fereol	Canada	Record daily precipitation	57.4 mm (2.3 in)	44 of 100 (Notable)
Fleming	United States	Record daily precipitation	97.8 mm (3.9 in)	44 of 100 (Notable)
Burnt Cabins 2 NE	United States	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Morgantown Muni AP	United States	Record daily precipitation	37.3 mm (1.5 in)	44 of 100 (Notable)
Tifton	United States	Record daily precipitation	54.6 mm (2.1 in)	43 of 100 (Notable)
Highlands	United States	Record daily precipitation	91.2 mm (3.6 in)	43 of 100 (Notable)
Canfield 1 S	United States	Record daily precipitation	67.3 mm (2.6 in)	43 of 100 (Notable)
Wateree Dam	United States	Record daily precipitation	42.2 mm (1.7 in)	43 of 100 (Notable)
Ravenswood Lock Park	United States	Record daily precipitation	57.2 mm (2.3 in)	43 of 100 (Notable)
Evergreen	United States	Record daily precipitation	53.3 mm (2.1 in)	41 of 100 (Notable)
Cullowhee	United States	Record daily precipitation	51.8 mm (2.0 in)	41 of 100 (Notable)
New Cumberland L/D	United States	Record daily precipitation	53.8 mm (2.1 in)	41 of 100 (Notable)
Berkeley Springs	United States	Record daily precipitation	50.3 mm (2.0 in)	40 of 100 (Notable)
Nikolo-Poloma	Russia	Record daily precipitation	36.2 mm (1.4 in)	39 of 100 (Notable)
Stillwater 1 SE	United States	Record daily precipitation	25.7 mm (1.0 in)	39 of 100 (Notable)
Fairmont	United States	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Olds	Canada	Record daily precipitation	26.4 mm (1.0 in)	38 of 100 (Notable)
Trenton Ont Hydro	Canada	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Dublin	United States	Record daily precipitation	48.0 mm (1.9 in)	38 of 100 (Notable)
Lima	United States	Record daily snowfall	7.6 cm (3.0 in)	38 of 100 (Notable)
Arcade	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Franklin	United States	Record daily precipitation	46.0 mm (1.8 in)	38 of 100 (Notable)
E Stroudsburg	United States	Record daily precipitation	47.5 mm (1.9 in)	38 of 100 (Notable)
Youngstown-Warren Rgnl AP	United States	Record daily precipitation	37.3 mm (1.5 in)	38 of 100 (Notable)
Moulyinning	Australia	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Barrage Mercier	Canada	Record daily precipitation	43.4 mm (1.7 in)	37 of 100 (Notable)
Houston	United States	Record daily precipitation	51.6 mm (2.0 in)	37 of 100 (Notable)
Arley 1 S	United States	Record daily precipitation	58.9 mm (2.3 in)	36 of 100 (Notable)
Hagerstown	United States	Record daily precipitation	38.4 mm (1.5 in)	36 of 100 (Notable)
Hattiesburg 5SW	United States	Record daily precipitation	99.1 mm (3.9 in)	36 of 100 (Notable)
Nannup	Australia	Record daily precipitation	58.0 mm (2.3 in)	35 of 100 (Notable)
Grimsby	Canada	Record daily precipitation	29.2 mm (1.1 in)	35 of 100 (Notable)
Fayette	United States	Record daily precipitation	94.0 mm (3.7 in)	35 of 100 (Notable)
Douglas	United States	Record daily precipitation	61.5 mm (2.4 in)	35 of 100 (Notable)
Neendalling	Australia	Record daily precipitation	26.4 mm (1.0 in)	34 of 100 (Routine)
Tobolsk	Russia	Record high minimum temperature	13.1 C (55.6 F)	34 of 100 (Routine)
Waycross 4 NE	United States	Record daily precipitation	102.9 mm (4.1 in)	34 of 100 (Routine)

Counts by Type and Timescale

702 records

Records set or tied on 12 May 1974 by type: Highest daily maximum 65, Lowest daily maximum 66, Highest daily minimum 77, Lowest daily minimum 41, Heaviest daily rainfall 447, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 12 May 1974 by type
Record type	Records
Highest daily maximum	65
Lowest daily maximum	66
Highest daily minimum	77
Lowest daily minimum	41
Heaviest daily rainfall	447
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 12 May 1974 by timescale: all-time 1, monthly 15, daily 686.

How Much Records Were Beaten By

602 broken records

Margins by which the 602 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 171.0. Ties are not counted.

Top 20 by Significance

12 May 1974

Top 20 records on 12 May 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1974	Cairo 3 S, US	daily rain	61.0 mm (2.4 in)	38.1 mm (1.5 in)	61 years	65 of 100 (Major)
12 May 1974	Laurel, US	daily rain	116.3 mm (4.6 in)	68.0 mm (2.7 in)	48 years	59 of 100 (Notable)
12 May 1974	Corry, US	daily rain	52.8 mm (2.1 in)	29.4 mm (1.2 in)	51 years	59 of 100 (Notable)
12 May 1974	Lewisburg 3 N, US	daily rain	61.5 mm (2.4 in)	27.5 mm (1.1 in)	68 years	59 of 100 (Notable)
12 May 1974	Ely Park, AU	daily rain	32.0 mm (1.3 in)	25.4 mm (1.0 in)	65 years	58 of 100 (Notable)
12 May 1974	Perry, US	daily rain	106.7 mm (4.2 in)	89.4 mm (3.5 in)	31 years	56 of 100 (Notable)
12 May 1974	Salmon Gums Res.STN., AU	daily rain	34.0 mm (1.3 in)	32.0 mm (1.3 in)	36 years	55 of 100 (Notable)
12 May 1974	Bookaloo, AU	daily rain	36.8 mm (1.4 in)	25.9 mm (1.0 in)	35 years	53 of 100 (Notable)
12 May 1974	La Malbaie, CA	daily rain	42.9 mm (1.7 in)	29.9 mm (1.2 in)	36 years	53 of 100 (Notable)
12 May 1974	Bencuti (Bos), ZA	daily rain	58.0 mm (2.3 in)	45.0 mm (1.8 in)	39 years	53 of 100 (Notable)
12 May 1974	Riachao Do Banabuiu, BR	daily rain	52.2 mm (2.1 in)	42.2 mm (1.7 in)	35 years	52 of 100 (Notable)
12 May 1974	Hastings, US	daily rain	63.0 mm (2.5 in)	41.4 mm (1.6 in)	28 years	52 of 100 (Notable)
12 May 1974	Gorya Valley, AU	daily rain	34.4 mm (1.4 in)	25.8 mm (1.0 in)	24 years	51 of 100 (Notable)
12 May 1974	Live Oak, US	daily rain	103.6 mm (4.1 in)	73.1 mm (2.9 in)	15 years	51 of 100 (Notable)
12 May 1974	Bens Run 1 SSE, US	daily rain	47.5 mm (1.9 in)	22.4 mm (0.9 in)	68 years	49 of 100 (Notable)
12 May 1974	London Locks, US	daily rain	38.6 mm (1.5 in)	27.9 mm (1.1 in)	36 years	49 of 100 (Notable)
12 May 1974	Wirrulla (Nunjikompita), AU	daily rain	34.8 mm (1.4 in)	25.4 mm (1.0 in)	13 years	48 of 100 (Notable)
12 May 1974	Waddikee, AU	daily rain	29.5 mm (1.2 in)	21.1 mm (0.8 in)	13 years	48 of 100 (Notable)
12 May 1974	Doctortown 1 WSW, US	monthly rain	119.4 mm (4.7 in)	43.2 mm (1.7 in)	16 years	48 of 100 (Notable)
12 May 1974	Nominingue, CA	daily rain	28.7 mm (1.1 in)	16.0 mm (0.6 in)	56 years	47 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

1814 to 1974

Records set or tied on this calendar date in each year from 1814 to 1974. 1974 had 702 records.

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

Records on 05-12 in each year
Year	Records
1814	2
1823	1
1825	1
1827	1
1834	1
1837	1
1838	1
1845	1
1847	1
1848	1
1849	2
1851	1
1855	2
1860	2
1862	2
1863	1
1867	1
1868	1
1872	2
1874	1
1877	1
1878	1
1879	1
1881	4
1882	5
1884	3
1885	2
1886	3
1887	1
1888	1
1889	1
1890	1
1891	4
1894	1
1895	1
1896	1
1897	7
1898	3
1900	3
1901	6
1902	5
1903	7
1904	11
1905	10
1906	20
1907	53
1908	12
1909	4
1910	9
1911	37
1912	46
1913	6
1914	36
1915	50
1916	42
1917	54
1918	113
1919	42
1920	19
1921	64
1922	43
1923	109
1924	245
1925	275
1926	121
1927	167
1928	192
1929	172
1930	500
1931	350
1932	199
1933	476
1934	293
1935	404
1936	329
1937	214
1938	394
1939	233
1940	440
1941	568
1942	418
1943	803
1944	368
1945	389
1946	653
1947	286
1948	390
1949	414
1950	283
1951	427
1952	711
1953	891
1954	305
1955	265
1956	1,568
1957	454
1958	714
1959	740
1960	1,583
1961	381
1962	713
1963	777
1964	401
1965	196
1966	909
1967	810
1968	890
1969	506
1970	698
1971	668
1972	641
1973	393
1974	702
1975	418
1976	541
1977	855
1978	802
1979	763
1980	684
1981	855
1982	763
1983	1,281
1984	887
1985	1,199
1986	473
1987	1,295
1988	619
1989	856
1990	617
1991	1,177
1992	1,022
1993	1,208
1994	738
1995	1,190
1996	1,420
1997	921
1998	1,576
1999	881
2000	1,486
2001	1,015
2002	1,027
2003	861
2004	1,054
2005	1,369
2006	797
2007	630
2008	858
2009	687
2010	1,250
2011	1,119
2012	660
2013	689
2014	949
2015	958
2016	421
2017	529
2018	819
2019	784
2020	1,338
2021	712
2022	1,930
2023	429
2024	447
2025	940
2026	1,110

Download the Data

Data for records on 1974-05-12: 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	555
25 to 50	40
50 to 75	4
75 to 100	2
100 to 125	0
125 to 150	0
150 to 175	1