Weather Records on 12 May 1988

619 weather records were set or tied worldwide on 12 May 1988. Highest significance: Chimacum 4 S, US.

Key Facts for 12 May 1988

On 12 May 1988, 619 weather records were set or tied at long-record stations worldwide.
357 were record highs and 96 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 608 daily.
Chimacum 4 S set a daily record precipitation of 37.8 mm (1.5 in) on 12 May 1988.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 452 records.

Record Map

619 stations

619 station records on 12 May 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chimacum 4 S	United States	Record daily precipitation	37.8 mm (1.5 in)	58 of 100 (Notable)
Los Capulines	Mexico	Record daily precipitation	73.9 mm (2.9 in)	51 of 100 (Notable)
Mallina	Australia	Record daily precipitation	45.0 mm (1.8 in)	49 of 100 (Notable)
Corpus Christi NAS	United States	Record daily precipitation	110.7 mm (4.4 in)	48 of 100 (Notable)
Rinconada	Mexico	Record low minimum temperature	10.0 C (50.0 F)	47 of 100 (Notable)
Minderoo	Australia	Record daily precipitation	69.0 mm (2.7 in)	45 of 100 (Notable)
Fairbridge	Australia	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Oakland	Australia	Record daily precipitation	29.6 mm (1.2 in)	44 of 100 (Notable)
Clearbrook	United States	Record high minimum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Bulloo Downs	Australia	Record daily precipitation	75.0 mm (3.0 in)	43 of 100 (Notable)
Glen Florrie Station	Australia	Record daily precipitation	32.4 mm (1.3 in)	42 of 100 (Notable)
Wilgarrup	Australia	Record daily precipitation	42.0 mm (1.7 in)	42 of 100 (Notable)
Glen Mervyn	Australia	Record daily precipitation	40.8 mm (1.6 in)	42 of 100 (Notable)
Waianae 798	United States	Record daily precipitation	42.9 mm (1.7 in)	42 of 100 (Notable)
Turee Creek	Australia	Record daily precipitation	46.6 mm (1.8 in)	41 of 100 (Notable)
Hiroo	Japan	Record daily precipitation	113.5 mm (4.5 in)	41 of 100 (Notable)
Cedar Lake	United States	Record high minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Oktjabrskij-Gorodok	Russia	Record low maximum temperature	6.1 C (43.0 F)	39 of 100 (Notable)
Snydersfontein	South Africa	Record daily precipitation	37.5 mm (1.5 in)	39 of 100 (Notable)
Vitim	Russia	Record daily precipitation	26.2 mm (1.0 in)	38 of 100 (Notable)
Tombstone	United States	Record high minimum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Lilydale	Australia	Record daily precipitation	43.7 mm (1.7 in)	37 of 100 (Notable)
Kutchan	Japan	Record daily precipitation	38.0 mm (1.5 in)	37 of 100 (Notable)
Bodie California St Historic P	United States	Record high minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Bowning (Wanganui)	Australia	Record daily precipitation	31.4 mm (1.2 in)	36 of 100 (Notable)
Ft Yukon	United States	Record high minimum temperature	6.1 C (43.0 F)	35 of 100 (Notable)
Sapporo	Japan	Record daily precipitation	35.5 mm (1.4 in)	34 of 100 (Routine)
Morioka	Japan	Record daily precipitation	36.5 mm (1.4 in)	33 of 100 (Routine)
Kailua 446	United States	Record daily precipitation	69.9 mm (2.8 in)	33 of 100 (Routine)
Palmer 3 ESE	United States	Record high minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
McKinley Park	United States	Record high minimum temperature	5.0 C (41.0 F)	32 of 100 (Routine)
Tanana AP	United States	Record high minimum temperature	10.0 C (50.0 F)	32 of 100 (Routine)
Iawakia	Australia	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Indio Fire STN	United States	Record high minimum temperature	27.8 C (82.0 F)	31 of 100 (Routine)
Caldwell	United States	Record high maximum temperature	35.0 C (95.0 F)	31 of 100 (Routine)
Brookings	United States	Record daily precipitation	51.3 mm (2.0 in)	31 of 100 (Routine)
Narrogin	Australia	Record high minimum temperature	15.7 C (60.3 F)	30 of 100 (Routine)
Ishinomaki	Japan	Record daily precipitation	41.5 mm (1.6 in)	30 of 100 (Routine)
La Purisima	Mexico	Record high maximum temperature	42.8 C (109.0 F)	30 of 100 (Routine)
Vale	United States	Record high maximum temperature	34.4 C (93.9 F)	30 of 100 (Routine)
Port Angeles	United States	Record high minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Fushiki	Japan	Record daily precipitation	53.5 mm (2.1 in)	29 of 100 (Routine)
Urjupinsk	Russia	Record low maximum temperature	6.8 C (44.2 F)	29 of 100 (Routine)
Imperial	United States	Record high minimum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Frolovo	Russia	Record low maximum temperature	7.5 C (45.5 F)	28 of 100 (Routine)
Sierraville Rs	United States	Record high maximum temperature	28.3 C (82.9 F)	28 of 100 (Routine)
Centralia	United States	Record high minimum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Waihee Vly 482	United States	Record daily precipitation	26.7 mm (1.1 in)	28 of 100 (Routine)
Yaringa Station	Australia	Record daily precipitation	28.0 mm (1.1 in)	27 of 100 (Routine)
Tahoe City	United States	Record high maximum temperature	24.4 C (75.9 F)	27 of 100 (Routine)
Porthill	United States	Record high maximum temperature	30.6 C (87.1 F)	27 of 100 (Routine)
Anaconda	United States	Record high maximum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Kanalohuluhulu 1075	United States	Record low maximum temperature	10.0 C (50.0 F)	27 of 100 (Routine)
Kanalohuluhulu 1075	United States	Record low minimum temperature	4.4 C (39.9 F)	27 of 100 (Routine)
Mulege	Mexico	Record high maximum temperature	37.8 C (100.0 F)	26 of 100 (Routine)
Saratow	Russia	Record low maximum temperature	7.2 C (45.0 F)	26 of 100 (Routine)
Palm Springs	United States	Record high maximum temperature	44.4 C (111.9 F)	26 of 100 (Routine)
Lowman	United States	Record high maximum temperature	32.2 C (90.0 F)	26 of 100 (Routine)
Kalispell Glacier AP	United States	Record high maximum temperature	27.8 C (82.0 F)	26 of 100 (Routine)
Yamagata	Japan	Record daily precipitation	25.5 mm (1.0 in)	25 of 100 (Routine)

Counts by Type and Timescale

619 records

Records set or tied on 12 May 1988 by type: Highest daily maximum 185, Lowest daily maximum 61, Highest daily minimum 172, Lowest daily minimum 35, Heaviest daily rainfall 163, Deepest snow cover 3.

Records on 12 May 1988 by type
Record type	Records
Highest daily maximum	185
Lowest daily maximum	61
Highest daily minimum	172
Lowest daily minimum	35
Heaviest daily rainfall	163
Heaviest daily snowfall	0
Deepest snow cover	3

Records on 12 May 1988 by timescale: all-time 1, monthly 10, daily 608.

How Much Records Were Beaten By

470 broken records

Margins by which the 470 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.6. Ties are not counted.

Top 20 by Significance

12 May 1988

Top 20 records on 12 May 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1988	Chimacum 4 S, US	daily rain	37.8 mm (1.5 in)	22.1 mm (0.9 in)	40 years	58 of 100 (Notable)
12 May 1988	Los Capulines, MX	daily rain	73.9 mm (2.9 in)	61.7 mm (2.4 in)	29 years	51 of 100 (Notable)
12 May 1988	Mallina, AU	daily rain	45.0 mm (1.8 in)	32.3 mm (1.3 in)	80 years	49 of 100 (Notable)
12 May 1988	Corpus Christi NAS, US	daily rain	110.7 mm (4.4 in)	90.6 mm (3.6 in)	16 years	48 of 100 (Notable)
12 May 1988	Rinconada, MX	daily low min	10.0 C (50.0 F)	7.8 C (14.0 F)	12 years	47 of 100 (Notable)
12 May 1988	Minderoo, AU	daily rain	69.0 mm (2.7 in)	68.5 mm (2.7 in)	3 years	45 of 100 (Notable)
12 May 1988	Fairbridge, AU	daily rain	61.0 mm (2.4 in)	36.1 mm (1.4 in)	32 years	44 of 100 (Notable)
12 May 1988	Oakland, AU	daily rain	29.6 mm (1.2 in)	17.4 mm (0.7 in)	57 years	44 of 100 (Notable)
12 May 1988	Clearbrook, US	daily high min	15.6 C (60.1 F)	5.0 C (9.0 F)	72 years	44 of 100 (Notable)
12 May 1988	Bulloo Downs, AU	monthly rain	75.0 mm (3.0 in)	17.8 mm (0.7 in)	38 years	43 of 100 (Notable)
12 May 1988	Glen Florrie Station, AU	daily rain	32.4 mm (1.3 in)	26.0 mm (1.0 in)	66 years	42 of 100 (Notable)
12 May 1988	Wilgarrup, AU	daily rain	42.0 mm (1.7 in)	13.0 mm (0.5 in)	70 years	42 of 100 (Notable)
12 May 1988	Glen Mervyn, AU	daily rain	40.8 mm (1.6 in)	15.1 mm (0.6 in)	67 years	42 of 100 (Notable)
12 May 1988	Waianae 798, US	daily rain	42.9 mm (1.7 in)	11.9 mm (0.5 in)	75 years	42 of 100 (Notable)
12 May 1988	Turee Creek, AU	daily rain	46.6 mm (1.8 in)	17.6 mm (0.7 in)	67 years	41 of 100 (Notable)
12 May 1988	Hiroo, JP	daily rain	113.5 mm (4.5 in)	67.5 mm (2.7 in)	7 years	41 of 100 (Notable)
12 May 1988	Cedar Lake, US	daily high min	14.4 C (57.9 F)	4.4 C (7.9 F)	57 years	40 of 100 (Notable)
12 May 1988	Oktjabrskij-Gorodok, RU	daily low max	6.1 C (43.0 F)	3.7 C (6.7 F)	81 years	39 of 100 (Notable)
12 May 1988	Snydersfontein, ZA	daily rain	37.5 mm (1.5 in)	16.2 mm (0.6 in)	53 years	39 of 100 (Notable)
12 May 1988	Vitim, RU	monthly rain	26.2 mm (1.0 in)	6.4 mm (0.25 in)	7 years	38 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 1988

Records set or tied on this calendar date in each year from 1814 to 1988. 1988 had 619 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 1988-05-12: 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 20	449
20 to 40	15
40 to 60	1
60 to 80	3
80 to 100	2