Weather Records on 15 March 2012

2,297 weather records were set or tied worldwide on 15 March 2012. Highest significance: Coulee Dam 1 SW, US.

Key Facts for 15 March 2012

On 15 March 2012, 2,297 weather records were set or tied at long-record stations worldwide.
1,864 were record highs and 100 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 45 monthly and 2,251 daily.
Coulee Dam 1 SW set a monthly record daily precipitation of 38.1 mm (1.5 in) on 15 March 2012.
Across 161 earlier years (1810 to 2026) the same calendar date averaged 475 records.

Record Map

2,000 stations, highest significance shown

2,000 station records on 15 March 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 March 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Coulee Dam 1 SW	United States	Record daily precipitation	38.1 mm (1.5 in)	62 of 100 (Major)
Macclesfield	Australia	Record daily precipitation	32.8 mm (1.3 in)	61 of 100 (Major)
Colonia Santa Ursula Coapa	Mexico	Record daily precipitation	30.0 mm (1.2 in)	53 of 100 (Notable)
Howard Springs	Australia	Record daily precipitation	130.0 mm (5.1 in)	52 of 100 (Notable)
Mount Pleasant	Australia	Record daily precipitation	25.2 mm (1.0 in)	52 of 100 (Notable)
Eastville (Bonnie Banks)	Australia	Record daily precipitation	36.2 mm (1.4 in)	52 of 100 (Notable)
Adelaide (Pooraka)	Australia	Record daily precipitation	30.6 mm (1.2 in)	51 of 100 (Notable)
Charleston	United States	Record high minimum temperature	19.4 C (66.9 F)	51 of 100 (Notable)
Charlevoix	United States	Record high maximum temperature	25.0 C (77.0 F)	51 of 100 (Notable)
Goolwa Council Depot	Australia	Record daily precipitation	25.2 mm (1.0 in)	50 of 100 (Notable)
Bora-Bora/Motu-Mute	French Polynesia	Record daily precipitation	87.1 mm (3.4 in)	49 of 100 (Notable)
Los Gatos	United States	Record high minimum temperature	12.8 C (55.0 F)	49 of 100 (Notable)
Potosi 4 SW	United States	Record high minimum temperature	16.1 C (61.0 F)	49 of 100 (Notable)
Cherry Gardens	Australia	Record daily precipitation	49.0 mm (1.9 in)	48 of 100 (Notable)
Strathalbyn	Australia	Record daily precipitation	29.0 mm (1.1 in)	48 of 100 (Notable)
Priest Rvr Exp STN	United States	Record daily precipitation	39.4 mm (1.6 in)	48 of 100 (Notable)
Allerton	United States	Record high minimum temperature	13.9 C (57.0 F)	48 of 100 (Notable)
Dilley 2 S	United States	Record daily precipitation	52.3 mm (2.1 in)	48 of 100 (Notable)
Long Branch-Oakhurst	United States	Record high maximum temperature	22.8 C (73.0 F)	47 of 100 (Notable)
Southport 5 N	United States	Record high maximum temperature	30.6 C (87.1 F)	47 of 100 (Notable)
Buckeye Lake 1 N	United States	Record daily precipitation	103.1 mm (4.1 in)	47 of 100 (Notable)
Hahndorf	Australia	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
Lebanon 2W	United States	Record high minimum temperature	16.7 C (62.1 F)	46 of 100 (Notable)
Mexico	United States	Record high minimum temperature	15.6 C (60.1 F)	46 of 100 (Notable)
Haskins Dam	United States	Record daily precipitation	86.1 mm (3.4 in)	46 of 100 (Notable)
Leavenworth 3 S	United States	Record daily snowfall	17.8 cm (7.0 in)	46 of 100 (Notable)
Kensington Upper (Burnside)	Australia	Record daily precipitation	33.6 mm (1.3 in)	45 of 100 (Notable)
Danville	United States	Record high minimum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Clarinda	United States	Record high maximum temperature	27.8 C (82.0 F)	45 of 100 (Notable)
Darlington Wwtp	United States	Record high maximum temperature	24.4 C (75.9 F)	45 of 100 (Notable)
Langhorne Creek	Australia	Record daily precipitation	25.0 mm (1.0 in)	44 of 100 (Notable)
Bordeaux-Merignac	France	Record high maximum temperature	25.5 C (77.9 F)	44 of 100 (Notable)
Saentis	Switzerland	Record high minimum temperature	0.6 C (33.1 F)	44 of 100 (Notable)
Unionville	United States	Record high minimum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Lima	United States	Record snow depth	25.4 cm (10.0 in)	44 of 100 (Notable)
Bristow	United States	Record high minimum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Mullan Pass Vor/Dme	United States	Record daily precipitation	36.6 mm (1.4 in)	44 of 100 (Notable)
Channel Island	Australia	Record daily precipitation	98.4 mm (3.9 in)	43 of 100 (Notable)
Champaign 3S	United States	Record high minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Fairfield	United States	Record high maximum temperature	26.7 C (80.1 F)	43 of 100 (Notable)
Manhattan	United States	Record high minimum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Kelliher	United States	Record high maximum temperature	13.3 C (55.9 F)	43 of 100 (Notable)
Glasgow #2	United States	Record high maximum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Laurel Mtn	United States	Record daily snowfall	88.9 cm (35.0 in)	43 of 100 (Notable)
Strelley	Australia	Record daily precipitation	27.0 mm (1.1 in)	42 of 100 (Notable)
Telangatuk East (Milingimbi)	Australia	Record daily precipitation	26.6 mm (1.0 in)	42 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high minimum temperature	0.2 C (32.4 F)	42 of 100 (Notable)
Des Arc	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Ft Morgan	United States	Record high maximum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Allerton	United States	Record high maximum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Mason City	United States	Record high maximum temperature	25.0 C (77.0 F)	42 of 100 (Notable)
Sigourney	United States	Record high maximum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Ft Scott	United States	Record high minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Jefferson City Wtp	United States	Record high minimum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Tecumseh 1S	United States	Record high maximum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Tucumcari 4 NE	United States	Record high maximum temperature	28.9 C (84.0 F)	42 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	59.9 mm (2.4 in)	42 of 100 (Notable)
Racine Wwtp	United States	Record high maximum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record high maximum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Wichita Falls Muni AP	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)

Counts by Type and Timescale

2,297 records

Records set or tied on 15 March 2012 by type: Highest daily maximum 1,094, Lowest daily maximum 60, Highest daily minimum 770, Lowest daily minimum 40, Heaviest daily rainfall 309, Heaviest daily snowfall 11, Deepest snow cover 13.

Records on 15 March 2012 by type
Record type	Records
Highest daily maximum	1,094
Lowest daily maximum	60
Highest daily minimum	770
Lowest daily minimum	40
Heaviest daily rainfall	309
Heaviest daily snowfall	11
Deepest snow cover	13

Records on 15 March 2012 by timescale: all-time 1, monthly 45, daily 2,251.

How Much Records Were Beaten By

1,870 broken records

Margins by which the 1,870 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 610.0. Ties are not counted.

Top 20 by Significance

15 March 2012

Top 20 records on 15 March 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 March 2012	Coulee Dam 1 SW, US	monthly rain	38.1 mm (1.5 in)	14.0 mm (0.6 in)	17 years	62 of 100 (Major)
15 March 2012	Macclesfield, AU	daily rain	32.8 mm (1.3 in)	15.3 mm (0.6 in)	112 years	61 of 100 (Major)
15 March 2012	Colonia Santa Ursula Coapa, MX	daily rain	30.0 mm (1.2 in)	27.2 mm (1.1 in)	34 years	53 of 100 (Notable)
15 March 2012	Howard Springs, AU	daily rain	130.0 mm (5.1 in)	86.8 mm (3.4 in)	47 years	52 of 100 (Notable)
15 March 2012	Mount Pleasant, AU	daily rain	25.2 mm (1.0 in)	8.9 mm (0.35 in)	112 years	52 of 100 (Notable)
15 March 2012	Eastville (Bonnie Banks), AU	daily rain	36.2 mm (1.4 in)	27.8 mm (1.1 in)	29 years	52 of 100 (Notable)
15 March 2012	Adelaide (Pooraka), AU	daily rain	30.6 mm (1.2 in)	9.0 mm (0.35 in)	112 years	51 of 100 (Notable)
15 March 2012	Charleston, US	monthly high min	19.4 C (66.9 F)	1.1 C (2.0 F)	104 years	51 of 100 (Notable)
15 March 2012	Charlevoix, US	monthly high max	25.0 C (77.0 F)	0.6 C (1.1 F)	117 years	51 of 100 (Notable)
15 March 2012	Goolwa Council Depot, AU	daily rain	25.2 mm (1.0 in)	6.1 mm (0.24 in)	116 years	50 of 100 (Notable)
15 March 2012	Bora-Bora/Motu-Mute, PF	daily rain	87.1 mm (3.4 in)	50.0 mm (2.0 in)	27 years	49 of 100 (Notable)
15 March 2012	Los Gatos, US	daily high min	12.8 C (55.0 F)	2.8 C (5.0 F)	107 years	49 of 100 (Notable)
15 March 2012	Potosi 4 SW, US	daily high min	16.1 C (61.0 F)	6.1 C (11.0 F)	117 years	49 of 100 (Notable)
15 March 2012	Cherry Gardens, AU	daily rain	49.0 mm (1.9 in)	23.6 mm (0.9 in)	41 years	48 of 100 (Notable)
15 March 2012	Strathalbyn, AU	daily rain	29.0 mm (1.1 in)	17.6 mm (0.7 in)	41 years	48 of 100 (Notable)
15 March 2012	Priest Rvr Exp STN, US	daily rain	39.4 mm (1.6 in)	18.6 mm (0.7 in)	17 years	48 of 100 (Notable)
15 March 2012	Birdwood, AU	daily rain	21.2 mm (0.8 in)	9.3 mm (0.37 in)	112 years	20 of 100 (Routine)
15 March 2012	Chewelah, US	daily rain	21.8 mm (0.9 in)	13.4 mm (0.5 in)	61 years	20 of 100 (Routine)
15 March 2012	Presa Totolica, MX	daily rain	22.4 mm (0.9 in)	16.6 mm (0.7 in)	48 years	20 of 100 (Routine)
15 March 2012	Finniss, AU	daily rain	22.8 mm (0.9 in)	4.8 mm (0.19 in)	112 years	20 of 100 (Routine)

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

1810 to 2012

Records set or tied on this calendar date in each year from 1810 to 2012. 2012 had 2,297 records.

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

Records on 03-15 in each year
Year	Records
1810	1
1813	1
1825	1
1826	1
1828	1
1835	1
1836	2
1839	1
1840	1
1845	3
1846	1
1850	1
1852	2
1854	1
1859	3
1863	1
1867	1
1869	1
1878	1
1882	3
1883	1
1884	3
1886	1
1887	1
1888	3
1889	3
1890	3
1891	5
1892	6
1893	5
1894	1
1895	4
1896	5
1898	3
1899	5
1900	12
1901	11
1902	14
1903	9
1904	6
1905	14
1906	36
1907	16
1908	43
1909	13
1910	23
1911	27
1912	51
1913	79
1914	32
1915	11
1916	34
1917	36
1918	81
1919	40
1920	43
1921	140
1922	39
1923	134
1924	145
1925	72
1926	169
1927	332
1928	193
1929	267
1930	240
1931	122
1932	610
1933	167
1934	298
1935	617
1936	298
1937	711
1938	505
1939	336
1940	340
1941	259
1942	399
1943	639
1944	622
1945	895
1946	915
1947	374
1948	198
1949	409
1950	249
1951	334
1952	358
1953	298
1954	340
1955	419
1956	534
1957	485
1958	431
1959	348
1960	972
1961	430
1962	585
1963	297
1964	411
1965	174
1966	893
1967	831
1968	545
1969	933
1970	541
1971	772
1972	814
1973	1,074
1974	439
1975	713
1976	220
1977	787
1978	566
1979	997
1980	503
1981	799
1982	997
1983	844
1984	638
1985	519
1986	771
1987	687
1988	1,599
1989	1,221
1990	2,255
1991	852
1992	1,131
1993	3,353
1994	1,405
1995	1,372
1996	706
1997	1,500
1998	847
1999	1,269
2000	458
2001	930
2002	1,317
2003	1,157
2004	1,046
2005	1,099
2006	688
2007	1,420
2008	903
2009	744
2010	675
2011	730
2012	2,297
2013	1,486
2014	397
2015	1,573
2016	948
2017	1,497
2018	538
2019	861
2020	1,128
2021	916
2022	491
2023	768
2024	1,401
2025	1,162
2026	877

Download the Data

Data for records on 2012-03-15: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 100	1,862
100 to 200	4
200 to 300	0
300 to 400	2
400 to 500	1
500 to 600	0
600 to 700	1