Weather Records on 12 May 1997

921 weather records were set or tied worldwide on 12 May 1997. Highest significance: Dungog Post Office, AU.

Key Facts for 12 May 1997

On 12 May 1997, 921 weather records were set or tied at long-record stations worldwide.
279 were record highs and 376 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 906 daily.
Dungog Post Office set a daily record precipitation of 61.4 mm (2.4 in) on 12 May 1997.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 450 records.

Record Map

921 stations

921 station records on 12 May 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dungog Post Office	Australia	Record daily precipitation	61.4 mm (2.4 in)	67 of 100 (Major)
Ironwood	United States	Record snow depth	20.3 cm (8.0 in)	58 of 100 (Notable)
Mandora	Australia	Record daily precipitation	70.2 mm (2.8 in)	56 of 100 (Notable)
Ironwood	United States	Record daily snowfall	21.1 cm (8.3 in)	56 of 100 (Notable)
Bergland Dam	United States	Record daily snowfall	14.7 cm (5.8 in)	55 of 100 (Notable)
Stroud Post Office	Australia	Record daily precipitation	48.6 mm (1.9 in)	54 of 100 (Notable)
Aksakovo	Russia	Record daily precipitation	44.6 mm (1.8 in)	54 of 100 (Notable)
Mellen 4 NE	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Bergland Dam	United States	Record snow depth	15.2 cm (6.0 in)	50 of 100 (Notable)
Ft Myers Page Fld AP	United States	Record low maximum temperature	25.0 C (77.0 F)	47 of 100 (Notable)
Challa	Australia	Record daily precipitation	37.0 mm (1.5 in)	46 of 100 (Notable)
Melbourne WFO	United States	Record daily precipitation	83.1 mm (3.3 in)	45 of 100 (Notable)
Murchison Downs	Australia	Record daily precipitation	38.0 mm (1.5 in)	44 of 100 (Notable)
Clarence Town (Grey St)	Australia	Record daily precipitation	55.6 mm (2.2 in)	44 of 100 (Notable)
Newport Bowling Club	Australia	Record daily precipitation	97.0 mm (3.8 in)	43 of 100 (Notable)
Yreka	United States	Record high maximum temperature	34.4 C (93.9 F)	42 of 100 (Notable)
Douglas	United States	Record low maximum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Abritas	Mexico	Record low minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Susendal	Norway	Record snow depth	130.0 cm (51.2 in)	41 of 100 (Notable)
Mnt Frere (Tnk)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	41 of 100 (Notable)
Mankato	United States	Record low minimum temperature	1.1 C (34.0 F)	41 of 100 (Notable)
Nicosia	Cyprus	Record high maximum temperature	37.6 C (99.7 F)	40 of 100 (Notable)
Santa Catarina Juquila (Cfe)	Mexico	Record low minimum temperature	7.2 C (45.0 F)	40 of 100 (Notable)
Hutchinson 1 N	United States	Record low minimum temperature	-2.8 C (27.0 F)	40 of 100 (Notable)
Healdton 3 E	United States	Record low maximum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record low maximum temperature	8.3 C (46.9 F)	40 of 100 (Notable)
Almaty	Kazakhstan	Record daily precipitation	46.3 mm (1.8 in)	39 of 100 (Notable)
Krakmo	Norway	Record snow depth	75.0 cm (29.5 in)	39 of 100 (Notable)
Bayfield 6 N	United States	Record snow depth	15.2 cm (6.0 in)	39 of 100 (Notable)
Kailua 446	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Ironwood	United States	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Mt Airy 2 W	United States	Record low minimum temperature	-1.1 C (30.0 F)	38 of 100 (Notable)
Wondinong	Australia	Record daily precipitation	30.4 mm (1.2 in)	37 of 100 (Notable)
Bulby Brush (Blue Look-Out)	Australia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Chichester Dam	Australia	Record daily precipitation	69.8 mm (2.7 in)	37 of 100 (Notable)
Calkini (Smn)	Mexico	Record low minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Tres Zapotes	Mexico	Record low minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Clearwater	United States	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Kuri Bay	Australia	Record daily precipitation	85.4 mm (3.4 in)	35 of 100 (Notable)
Cockle Creek (Pasminco Metals)	Australia	Record daily precipitation	51.4 mm (2.0 in)	35 of 100 (Notable)
Pozos	Mexico	Record low minimum temperature	3.9 C (39.0 F)	35 of 100 (Notable)
Krasnyj Chikoj	Russia	Record high minimum temperature	9.6 C (49.3 F)	35 of 100 (Notable)
Scottsboro	United States	Record low minimum temperature	4.4 C (39.9 F)	35 of 100 (Notable)
Beeville 5 NE	United States	Record low maximum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Raymond Terrace (Kinross)	Australia	Record daily precipitation	42.0 mm (1.7 in)	33 of 100 (Routine)
Bushnell 1 E	United States	Record low maximum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Greeneville Exp STN	United States	Record low minimum temperature	-1.7 C (28.9 F)	33 of 100 (Routine)
Saltville 1N	United States	Record low minimum temperature	-0.6 C (30.9 F)	33 of 100 (Routine)
Rhinelander	United States	Record low maximum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
Killara	Australia	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Kvitfossen I Vagan	Norway	Record snow depth	205.0 cm (80.7 in)	32 of 100 (Routine)
Ulety	Russia	Record high minimum temperature	10.6 C (51.1 F)	32 of 100 (Routine)
Kljuchi	Russia	Record high minimum temperature	3.5 C (38.3 F)	32 of 100 (Routine)
Arcadia	United States	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Brownwood 2NE	United States	Record low maximum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
San Juan del Rio	Mexico	Record low minimum temperature	5.0 C (41.0 F)	31 of 100 (Routine)
Roros	Norway	Record snow depth	40.0 cm (15.7 in)	31 of 100 (Routine)
Buras	United States	Record low maximum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Marion	United States	Record low minimum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
McKenzie Rvr Rs	United States	Record high maximum temperature	36.1 C (97.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

921 records

Records set or tied on 12 May 1997 by type: Highest daily maximum 139, Lowest daily maximum 173, Highest daily minimum 140, Lowest daily minimum 203, Heaviest daily rainfall 212, Heaviest daily snowfall 19, Deepest snow cover 35.

Records on 12 May 1997 by type
Record type	Records
Highest daily maximum	139
Lowest daily maximum	173
Highest daily minimum	140
Lowest daily minimum	203
Heaviest daily rainfall	212
Heaviest daily snowfall	19
Deepest snow cover	35

Records on 12 May 1997 by timescale: all-time 1, monthly 14, daily 906.

How Much Records Were Beaten By

695 broken records

Margins by which the 695 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 800.0. Ties are not counted.

Top 20 by Significance

12 May 1997

Top 20 records on 12 May 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1997	Dungog Post Office, AU	daily rain	61.4 mm (2.4 in)	46.7 mm (1.8 in)	76 years	67 of 100 (Major)
12 May 1997	Ironwood, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	95 years	58 of 100 (Notable)
12 May 1997	Mandora, AU	daily rain	70.2 mm (2.8 in)	62.3 mm (2.5 in)	44 years	56 of 100 (Notable)
12 May 1997	Ironwood, US	daily snowfall	21.1 cm (8.3 in)	19.3 cm (7.6 in)	26 years	56 of 100 (Notable)
12 May 1997	Bergland Dam, US	daily snowfall	14.7 cm (5.8 in)	14.7 cm (5.8 in)	82 years	55 of 100 (Notable)
12 May 1997	Stroud Post Office, AU	daily rain	48.6 mm (1.9 in)	30.8 mm (1.2 in)	76 years	54 of 100 (Notable)
12 May 1997	Aksakovo, RU	daily rain	44.6 mm (1.8 in)	21.2 mm (0.8 in)	27 years	54 of 100 (Notable)
12 May 1997	Mellen 4 NE, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	70 years	53 of 100 (Notable)
12 May 1997	Bergland Dam, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	87 years	50 of 100 (Notable)
12 May 1997	Ft Myers Page Fld AP, US	daily low max	25.0 C (77.0 F)	2.2 C (4.0 F)	91 years	47 of 100 (Notable)
12 May 1997	Challa, AU	daily rain	37.0 mm (1.5 in)	26.4 mm (1.0 in)	12 years	46 of 100 (Notable)
12 May 1997	Melbourne WFO, US	daily rain	83.1 mm (3.3 in)	53.4 mm (2.1 in)	20 years	45 of 100 (Notable)
12 May 1997	Murchison Downs, AU	daily rain	38.0 mm (1.5 in)	28.4 mm (1.1 in)	20 years	44 of 100 (Notable)
12 May 1997	Clarence Town (Grey St), AU	daily rain	55.6 mm (2.2 in)	17.5 mm (0.7 in)	76 years	44 of 100 (Notable)
12 May 1997	Newport Bowling Club, AU	daily rain	97.0 mm (3.8 in)	60.2 mm (2.4 in)	35 years	43 of 100 (Notable)
12 May 1997	Yreka, US	daily high max	34.4 C (93.9 F)	2.2 C (4.0 F)	99 years	42 of 100 (Notable)
12 May 1997	Douglas, US	daily low max	19.4 C (66.9 F)	1.7 C (3.1 F)	94 years	42 of 100 (Notable)
12 May 1997	Abritas, MX	monthly low min	2.8 C (37.0 F)	5.0 C (9.0 F)	27 years	41 of 100 (Notable)
12 May 1997	Susendal, NO	daily snow depth	130.0 cm (51.2 in)	9.0 cm (3.5 in)	97 years	41 of 100 (Notable)
12 May 1997	Mnt Frere (Tnk), ZA	daily rain	47.0 mm (1.9 in)	33.5 mm (1.3 in)	23 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

1814 to 1997

Records set or tied on this calendar date in each year from 1814 to 1997. 1997 had 921 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 1997-05-12: 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 100	674
100 to 200	13
200 to 300	3
300 to 400	2
400 to 500	2
500 to 600	0
600 to 700	0
700 to 800	1