Weather Records on 11 March 1991

532 weather records were set or tied worldwide on 11 March 1991. Highest significance: Illawarra, ZA.

Key Facts for 11 March 1991

On 11 March 1991, 532 weather records were set or tied at long-record stations worldwide.
187 were record highs and 153 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 516 daily.
Illawarra set a daily record precipitation of 83.0 mm (3.3 in) on 11 March 1991.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 473 records.

Record Map

532 stations

532 station records on 11 March 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 March 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Illawarra	South Africa	Record daily precipitation	83.0 mm (3.3 in)	52 of 100 (Notable)
Elandsfontein	South Africa	Record daily precipitation	67.6 mm (2.7 in)	48 of 100 (Notable)
Mudgee (George Street)	Australia	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Wilsall 8 ENE	United States	Record daily precipitation	26.9 mm (1.1 in)	45 of 100 (Notable)
Wilsall 8 ENE	United States	Record daily snowfall	38.1 cm (15.0 in)	45 of 100 (Notable)
Tucson WFO	United States	Record high minimum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Pismo Beach	United States	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record daily snowfall	40.6 cm (16.0 in)	39 of 100 (Notable)
San Luis San Pedro	Mexico	Record high maximum temperature	40.0 C (104.0 F)	38 of 100 (Notable)
Cwebe	South Africa	Record daily precipitation	88.0 mm (3.5 in)	38 of 100 (Notable)
Iowa Hill	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Clearwater	United States	Record low maximum temperature	3.9 C (39.0 F)	38 of 100 (Notable)
Normanton Post Office	Australia	Record low minimum temperature	17.6 C (63.7 F)	37 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high maximum temperature	17.1 C (62.8 F)	37 of 100 (Notable)
Rocklands	South Africa	Record daily precipitation	47.0 mm (1.9 in)	37 of 100 (Notable)
Machiques-Granja M.A.C.	Venezuela	Record daily precipitation	44.5 mm (1.8 in)	37 of 100 (Notable)
Merida	Venezuela	Record daily precipitation	35.5 mm (1.4 in)	37 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Paisley	United States	Record low minimum temperature	-12.8 C (9.0 F)	36 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Crested Butte	United States	Record daily snowfall	33.0 cm (13.0 in)	34 of 100 (Routine)
Bozeman Gallatin Fld AP	United States	Record daily snowfall	19.3 cm (7.6 in)	34 of 100 (Routine)
Alder 17 S	United States	Record daily snowfall	31.8 cm (12.5 in)	33 of 100 (Routine)
Norris Madison Pwr House	United States	Record daily snowfall	22.9 cm (9.0 in)	33 of 100 (Routine)
Ocampo	Mexico	Record high maximum temperature	32.8 C (91.0 F)	32 of 100 (Routine)
Insizwa (Bos)	South Africa	Record daily precipitation	28.9 mm (1.1 in)	32 of 100 (Routine)
Middelweg	South Africa	Record daily precipitation	46.0 mm (1.8 in)	32 of 100 (Routine)
Hetch Hetchy	United States	Record daily precipitation	43.9 mm (1.7 in)	32 of 100 (Routine)
Rawlins AP	United States	Record daily snowfall	11.4 cm (4.5 in)	32 of 100 (Routine)
Taquari-Vai	Brazil	Record daily precipitation	101.9 mm (4.0 in)	31 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Burney	United States	Record low minimum temperature	-15.6 C (3.9 F)	31 of 100 (Routine)
Ft Hall 1 NNE	United States	Record daily snowfall	7.6 cm (3.0 in)	31 of 100 (Routine)
Wells	United States	Record daily snowfall	15.2 cm (6.0 in)	31 of 100 (Routine)
Pathfinder Dam	United States	Record high minimum temperature	4.4 C (39.9 F)	31 of 100 (Routine)
Upata	Venezuela	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
Rooiwal	South Africa	Record daily precipitation	26.0 mm (1.0 in)	30 of 100 (Routine)
Pearce - Sunsites	United States	Record high minimum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Willcox	United States	Record high minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Davis 2 WSW Exp Farm	United States	Record low maximum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Livingston AP	United States	Record daily snowfall	32.5 cm (12.8 in)	30 of 100 (Routine)
Saigo	Japan	Record daily precipitation	31.5 mm (1.2 in)	29 of 100 (Routine)
San Diego de la Union	Mexico	Record low minimum temperature	0.6 C (33.1 F)	29 of 100 (Routine)
Ljungby	Sweden	Record high maximum temperature	9.8 C (49.6 F)	29 of 100 (Routine)
Orland	United States	Record low minimum temperature	-2.2 C (28.0 F)	29 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record low minimum temperature	1.7 C (35.1 F)	29 of 100 (Routine)
Wattle Flat General Store	Australia	Record daily precipitation	35.0 mm (1.4 in)	28 of 100 (Routine)
San Diego de Alejandria	Mexico	Record high maximum temperature	38.9 C (102.0 F)	28 of 100 (Routine)
Estrada de Cunha	Brazil	Record daily precipitation	50.2 mm (2.0 in)	27 of 100 (Routine)
Kaneohe Mauka 781	United States	Record daily precipitation	46.2 mm (1.8 in)	27 of 100 (Routine)
San Miguel Ejutla	Mexico	Record high maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
Perry	United States	Record low minimum temperature	-2.2 C (28.0 F)	26 of 100 (Routine)
Temilpa	Mexico	Record low maximum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Cedral	Mexico	Record high maximum temperature	35.0 C (95.0 F)	25 of 100 (Routine)
Foresthill Rs	United States	Record daily snowfall	15.2 cm (6.0 in)	25 of 100 (Routine)
Lima	United States	Record snow depth	17.8 cm (7.0 in)	25 of 100 (Routine)
Prosser	United States	Record low maximum temperature	4.4 C (39.9 F)	25 of 100 (Routine)
Remontnoe	Russia	Record low minimum temperature	-19.3 C (-2.7 F)	24 of 100 (Routine)
San Simon	United States	Record high minimum temperature	11.1 C (52.0 F)	24 of 100 (Routine)
Tucson Camp Ave Exp	United States	Record high minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

532 records

Records set or tied on 11 March 1991 by type: Highest daily maximum 117, Lowest daily maximum 64, Highest daily minimum 70, Lowest daily minimum 89, Heaviest daily rainfall 149, Heaviest daily snowfall 37, Deepest snow cover 6.

Records on 11 March 1991 by type
Record type	Records
Highest daily maximum	117
Lowest daily maximum	64
Highest daily minimum	70
Lowest daily minimum	89
Heaviest daily rainfall	149
Heaviest daily snowfall	37
Deepest snow cover	6

Records on 11 March 1991 by timescale: all-time 1, monthly 15, daily 516.

How Much Records Were Beaten By

414 broken records

Margins by which the 414 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

11 March 1991

Top 20 records on 11 March 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 March 1991	Illawarra, ZA	daily rain	83.0 mm (3.3 in)	32.7 mm (1.3 in)	69 years	52 of 100 (Notable)
11 March 1991	Elandsfontein, ZA	daily rain	67.6 mm (2.7 in)	29.5 mm (1.2 in)	69 years	48 of 100 (Notable)
11 March 1991	Mudgee (George Street), AU	daily rain	34.0 mm (1.3 in)	13.9 mm (0.5 in)	86 years	47 of 100 (Notable)
11 March 1991	Wilsall 8 ENE, US	daily rain	26.9 mm (1.1 in)	22.6 mm (0.9 in)	6 years	45 of 100 (Notable)
11 March 1991	Wilsall 8 ENE, US	daily snowfall	38.1 cm (15.0 in)	30.5 cm (12.0 in)	6 years	45 of 100 (Notable)
11 March 1991	Tucson WFO, US	daily high min	17.8 C (64.0 F)	2.2 C (4.0 F)	86 years	40 of 100 (Notable)
11 March 1991	Pismo Beach, US	daily rain	48.3 mm (1.9 in)	32.3 mm (1.3 in)	24 years	39 of 100 (Notable)
11 March 1991	Bozeman Montana State UNIV, US	daily snowfall	40.6 cm (16.0 in)	10.1 cm (4.0 in)	36 years	39 of 100 (Notable)
11 March 1991	San Luis San Pedro, MX	daily high max	40.0 C (104.0 F)	5.6 C (10.1 F)	9 years	38 of 100 (Notable)
11 March 1991	Cwebe, ZA	daily rain	88.0 mm (3.5 in)	37.0 mm (1.5 in)	28 years	38 of 100 (Notable)
11 March 1991	Iowa Hill, US	daily rain	50.8 mm (2.0 in)	6.1 mm (0.24 in)	86 years	38 of 100 (Notable)
11 March 1991	Clearwater, US	daily low max	3.9 C (39.0 F)	1.1 C (2.0 F)	88 years	38 of 100 (Notable)
11 March 1991	Normanton Post Office, AU	daily low min	17.6 C (63.7 F)	4.1 C (7.4 F)	32 years	37 of 100 (Notable)
11 March 1991	Kirchdorf/Poel, DE	daily high max	17.1 C (62.8 F)	1.6 C (2.9 F)	80 years	37 of 100 (Notable)
11 March 1991	Rocklands, ZA	daily rain	47.0 mm (1.9 in)	32.5 mm (1.3 in)	5 years	37 of 100 (Notable)
11 March 1991	Machiques-Granja M.A.C., VE	daily rain	44.5 mm (1.8 in)	43.1 mm (1.7 in)	4 years	37 of 100 (Notable)
11 March 1991	Merida, VE	daily rain	35.5 mm (1.4 in)	20.8 mm (0.8 in)	28 years	37 of 100 (Notable)
11 March 1991	Bozeman Montana State UNIV, US	monthly rain	30.5 mm (1.2 in)	4.1 mm (0.16 in)	23 years	36 of 100 (Notable)
11 March 1991	Paisley, US	daily low min	-12.8 C (9.0 F)	0.6 C (1.1 F)	84 years	36 of 100 (Notable)
11 March 1991	Mayaguez City, PR	daily high min	23.9 C (75.0 F)	1.1 C (2.0 F)	64 years	34 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

1793 to 1991

Records set or tied on this calendar date in each year from 1793 to 1991. 1991 had 532 records.

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

Records on 03-11 in each year
Year	Records
1793	1
1810	3
1814	1
1822	1
1844	1
1845	2
1847	3
1849	1
1850	2
1854	3
1855	1
1858	3
1859	1
1860	2
1862	1
1863	1
1868	1
1870	1
1874	2
1877	1
1878	1
1879	2
1880	1
1881	5
1882	2
1883	1
1884	1
1885	2
1886	3
1888	4
1889	1
1890	4
1891	5
1892	3
1893	2
1894	6
1896	4
1897	4
1898	2
1899	1
1900	4
1901	13
1902	8
1903	12
1904	7
1905	6
1906	38
1907	7
1908	10
1909	26
1910	19
1911	19
1912	19
1913	22
1914	25
1915	18
1916	29
1917	49
1918	58
1919	39
1920	15
1921	66
1922	42
1923	78
1924	265
1925	264
1926	134
1927	277
1928	119
1929	210
1930	105
1931	273
1932	1,123
1933	300
1934	764
1935	520
1936	356
1937	188
1938	120
1939	569
1940	417
1941	265
1942	225
1943	251
1944	304
1945	262
1946	461
1947	234
1948	2,148
1949	329
1950	671
1951	677
1952	804
1953	330
1954	489
1955	1,103
1956	964
1957	521
1958	441
1959	189
1960	1,115
1961	353
1962	674
1963	440
1964	296
1965	386
1966	539
1967	1,272
1968	519
1969	1,093
1970	389
1971	552
1972	1,320
1973	1,406
1974	956
1975	592
1976	375
1977	1,690
1978	579
1979	891
1980	472
1981	1,539
1982	807
1983	943
1984	743
1985	829
1986	747
1987	596
1988	1,176
1989	1,894
1990	2,496
1991	532
1992	1,083
1993	561
1994	689
1995	1,138
1996	1,339
1997	1,152
1998	2,609
1999	533
2000	1,199
2001	802
2002	736
2003	935
2004	826
2005	988
2006	1,590
2007	830
2008	816
2009	1,195
2010	966
2011	734
2012	868
2013	949
2014	556
2015	897
2016	1,249
2017	483
2018	479
2019	767
2020	605
2021	980
2022	1,203
2023	984
2024	424
2025	699
2026	1,580

Download the Data

Data for records on 1991-03-11: 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 50	401
50 to 100	9
100 to 150	1
150 to 200	2
200 to 250	0
250 to 300	0
300 to 350	1