Weather Records on 31 March 1999

1,100 weather records were set or tied worldwide on 31 March 1999. Highest significance: Saco 1 NNW, US.

Key Facts for 31 March 1999

On 31 March 1999, 1,100 weather records were set or tied at long-record stations worldwide.
619 were record highs and 262 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 78 monthly and 1,022 daily.
Saco 1 NNW set a monthly record daily precipitation of 25.4 mm (1.0 in) on 31 March 1999.
Across 155 earlier years (1808 to 2026) the same calendar date averaged 502 records.

Record Map

1,100 stations

1,100 station records on 31 March 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 March 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Saco 1 NNW	United States	Record daily precipitation	25.4 mm (1.0 in)	60 of 100 (Major)
Winifred	United States	Record daily precipitation	26.7 mm (1.1 in)	60 of 100 (Major)
Roy 8 NE	United States	Record daily snowfall	25.4 cm (10.0 in)	59 of 100 (Notable)
Boise Air Terminal	United States	Record daily snowfall	13.0 cm (5.1 in)	54 of 100 (Notable)
Cold Bay AP	United States	Record snow depth	63.5 cm (25.0 in)	54 of 100 (Notable)
Port Sudan	Sudan	Record high maximum temperature	39.2 C (102.6 F)	50 of 100 (Notable)
Choteau	United States	Record daily snowfall	13.5 cm (5.3 in)	48 of 100 (Notable)
Franklin	United States	Record daily precipitation	47.0 mm (1.9 in)	48 of 100 (Notable)
Great Falls AP	United States	Record daily snowfall	20.6 cm (8.1 in)	48 of 100 (Notable)
Grangeville	United States	Record low minimum temperature	-9.4 C (15.1 F)	45 of 100 (Notable)
Kent	United States	Record snow depth	15.2 cm (6.0 in)	45 of 100 (Notable)
Greenville	United States	Record daily snowfall	14.0 cm (5.5 in)	44 of 100 (Notable)
Power 6 SE	United States	Record daily snowfall	28.2 cm (11.1 in)	43 of 100 (Notable)
Condon	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Gurabo Substn	Puerto Rico [United States]	Record daily precipitation	52.8 mm (2.1 in)	42 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record high minimum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Velikie Luki	Russia	Record high maximum temperature	15.7 C (60.3 F)	41 of 100 (Notable)
Charlevoix	United States	Record high minimum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Gildford	United States	Record daily snowfall	12.7 cm (5.0 in)	41 of 100 (Notable)
Madras 2 N	United States	Record daily snowfall	17.8 cm (7.0 in)	41 of 100 (Notable)
Ochoco Rs	United States	Record daily snowfall	6.4 cm (2.5 in)	41 of 100 (Notable)
Guthrie Ctr	United States	Record high minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Midwest	United States	Record snow depth	25.4 cm (10.0 in)	40 of 100 (Notable)
Doutor Pedrinho	Brazil	Record daily precipitation	65.9 mm (2.6 in)	39 of 100 (Notable)
Tiree	United Kingdom	Record high maximum temperature	15.2 C (59.4 F)	39 of 100 (Notable)
Lake City	United States	Record high minimum temperature	1.7 C (35.1 F)	39 of 100 (Notable)
Fairmont	United States	Record high minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Mondovi	United States	Record high minimum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Midwest	United States	Record daily snowfall	25.4 cm (10.0 in)	39 of 100 (Notable)
Halmstad	Sweden	Record high minimum temperature	7.1 C (44.8 F)	38 of 100 (Notable)
Skegness	United Kingdom	Record high minimum temperature	8.4 C (47.1 F)	38 of 100 (Notable)
Ft Morgan	United States	Record high minimum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Hutchinson 1 N	United States	Record high minimum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Blackleaf	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Hayward Rs	United States	Record high maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Sirte	Libya	Record low minimum temperature	6.0 C (42.8 F)	37 of 100 (Notable)
Wisley	United Kingdom	Record high minimum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Whitefish Pt	United States	Record high maximum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Collegeville St John's	United States	Record high minimum temperature	8.3 C (46.9 F)	37 of 100 (Notable)
Opheim 12 SSE	United States	Record daily snowfall	7.6 cm (3.0 in)	37 of 100 (Notable)
Shonkin 7 S	United States	Record daily snowfall	40.6 cm (16.0 in)	37 of 100 (Notable)
Marmarth	United States	Record daily snowfall	15.2 cm (6.0 in)	37 of 100 (Notable)
Grizzly	United States	Record daily snowfall	20.3 cm (8.0 in)	37 of 100 (Notable)
Chilapa (Dge)	Mexico	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
West Souburg	Netherlands	Record high maximum temperature	17.0 C (62.6 F)	36 of 100 (Notable)
Harbor Beach 1 SSE	United States	Record high minimum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
St Peter	United States	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Zumbrota	United States	Record high minimum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Mtn View	United States	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
Park Rapids Muni AP	United States	Record high minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Centre Island	Australia	Record daily precipitation	135.0 mm (5.3 in)	35 of 100 (Notable)
Aachen	Germany	Record high maximum temperature	19.5 C (67.1 F)	35 of 100 (Notable)
Rio Lagartos	Mexico	Record daily precipitation	79.0 mm (3.1 in)	35 of 100 (Notable)
Den Helder-1	Netherlands	Record high maximum temperature	17.6 C (63.7 F)	35 of 100 (Notable)
Dunderlandsdalen	Norway	Record daily precipitation	28.0 mm (1.1 in)	35 of 100 (Notable)
Storm Lake	United States	Record high minimum temperature	11.1 C (52.0 F)	35 of 100 (Notable)
Artichoke Lake 1 E	United States	Record high minimum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
Ashwood	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Kadoka	United States	Record high maximum temperature	28.3 C (82.9 F)	35 of 100 (Notable)
Danbury	United States	Record high minimum temperature	11.7 C (53.1 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,100 records

Records set or tied on 31 March 1999 by type: Highest daily maximum 272, Lowest daily maximum 143, Highest daily minimum 347, Lowest daily minimum 119, Heaviest daily rainfall 108, Heaviest daily snowfall 79, Deepest snow cover 32.

Records on 31 March 1999 by type
Record type	Records
Highest daily maximum	272
Lowest daily maximum	143
Highest daily minimum	347
Lowest daily minimum	119
Heaviest daily rainfall	108
Heaviest daily snowfall	79
Deepest snow cover	32

Records on 31 March 1999 by timescale: all-time 0, monthly 78, daily 1,022.

How Much Records Were Beaten By

877 broken records

Margins by which the 877 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

31 March 1999

Top 20 records on 31 March 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 March 1999	Saco 1 NNW, US	monthly rain	25.4 mm (1.0 in)	12.7 mm (0.5 in)	24 years	60 of 100 (Major)
31 March 1999	Winifred, US	daily rain	26.7 mm (1.1 in)	14.0 mm (0.6 in)	58 years	60 of 100 (Major)
31 March 1999	Roy 8 NE, US	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	44 years	59 of 100 (Notable)
31 March 1999	Boise Air Terminal, US	daily snowfall	13.0 cm (5.1 in)	12.0 cm (4.7 in)	28 years	54 of 100 (Notable)
31 March 1999	Cold Bay AP, US	daily snow depth	63.5 cm (25.0 in)	43.2 cm (17.0 in)	32 years	54 of 100 (Notable)
31 March 1999	Port Sudan, SD	daily high max	39.2 C (102.6 F)	6.6 C (11.9 F)	20 years	50 of 100 (Notable)
31 March 1999	Choteau, US	daily snowfall	13.5 cm (5.3 in)	3.3 cm (1.3 in)	100 years	48 of 100 (Notable)
31 March 1999	Franklin, US	daily rain	47.0 mm (1.9 in)	14.0 mm (0.6 in)	115 years	48 of 100 (Notable)
31 March 1999	Great Falls AP, US	daily snowfall	20.6 cm (8.1 in)	14.2 cm (5.6 in)	28 years	48 of 100 (Notable)
31 March 1999	Grangeville, US	daily low min	-9.4 C (15.1 F)	2.2 C (4.0 F)	102 years	45 of 100 (Notable)
31 March 1999	Kent, US	daily snow depth	15.2 cm (6.0 in)	12.7 cm (5.0 in)	32 years	45 of 100 (Notable)
31 March 1999	Greenville, US	daily snowfall	14.0 cm (5.5 in)	6.4 cm (2.5 in)	96 years	44 of 100 (Notable)
31 March 1999	Power 6 SE, US	daily snowfall	28.2 cm (11.1 in)	14.5 cm (5.7 in)	17 years	43 of 100 (Notable)
31 March 1999	Condon, US	daily snowfall	7.6 cm (3.0 in)	5.1 cm (2.0 in)	72 years	43 of 100 (Notable)
31 March 1999	Gurabo Substn, PR	daily rain	52.8 mm (2.1 in)	28.4 mm (1.1 in)	36 years	42 of 100 (Notable)
31 March 1999	Spooner Ag Rsch STN, US	daily high min	11.7 C (53.1 F)	6.7 C (12.1 F)	80 years	42 of 100 (Notable)
31 March 1999	Velikie Luki, RU	daily high max	15.7 C (60.3 F)	1.6 C (2.9 F)	96 years	41 of 100 (Notable)
31 March 1999	Charlevoix, US	daily high min	3.9 C (39.0 F)	1.1 C (2.0 F)	101 years	41 of 100 (Notable)
31 March 1999	Gildford, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	40 years	41 of 100 (Notable)
31 March 1999	Madras 2 N, US	monthly snowfall	17.8 cm (7.0 in)	11.4 cm (4.5 in)	17 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

1808 to 1999

Records set or tied on this calendar date in each year from 1808 to 1999. 1999 had 1,100 records.

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

Records on 03-31 in each year
Year	Records
1808	2
1815	2
1843	1
1848	1
1850	1
1854	1
1855	3
1856	2
1859	3
1865	2
1869	1
1872	4
1873	1
1874	1
1876	1
1878	1
1880	2
1881	1
1883	1
1887	2
1889	1
1890	1
1891	1
1892	2
1893	3
1896	3
1897	2
1898	5
1899	3
1900	9
1901	7
1902	3
1903	14
1904	16
1905	29
1906	10
1907	11
1908	5
1909	4
1910	45
1911	24
1912	18
1913	62
1914	16
1915	57
1916	17
1917	52
1918	42
1919	86
1920	65
1921	238
1922	102
1923	459
1924	160
1925	110
1926	306
1927	198
1928	98
1929	323
1930	137
1931	365
1932	360
1933	311
1934	181
1935	310
1936	1,242
1937	258
1938	649
1939	197
1940	697
1941	250
1942	245
1943	794
1944	327
1945	778
1946	897
1947	658
1948	355
1949	452
1950	579
1951	490
1952	382
1953	302
1954	549
1955	286
1956	767
1957	373
1958	414
1959	622
1960	327
1961	525
1962	547
1963	987
1964	1,345
1965	457
1966	845
1967	1,025
1968	504
1969	1,126
1970	945
1971	516
1972	427
1973	755
1974	852
1975	1,032
1976	519
1977	1,021
1978	1,362
1979	722
1980	640
1981	1,060
1982	926
1983	564
1984	532
1985	1,471
1986	1,507
1987	2,256
1988	850
1989	1,335
1990	842
1991	634
1992	747
1993	668
1994	871
1995	940
1996	743
1997	962
1998	2,587
1999	1,100
2000	581
2001	686
2002	861
2003	1,722
2004	1,055
2005	861
2006	1,088
2007	1,150
2008	1,471
2009	927
2010	984
2011	1,020
2012	942
2013	753
2014	631
2015	861
2016	823
2017	1,423
2018	663
2019	544
2020	534
2021	949
2022	683
2023	1,128
2024	488
2025	942
2026	1,275

Download the Data

Data for records on 1999-03-31: 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).

Histogram of margins by which records were beaten on 31 March 1999
Margin	Records
0 to 100	854
100 to 200	17
200 to 300	4
300 to 400	1
400 to 500	1