Weather Records on 20 May 1994

778 weather records were set or tied worldwide on 20 May 1994. Highest significance: Pasamonte, US.

Key Facts for 20 May 1994

On 20 May 1994, 778 weather records were set or tied at long-record stations worldwide.
178 were record highs and 405 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 763 daily.
Pasamonte set a daily record precipitation of 61.2 mm (2.4 in) on 20 May 1994.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 454 records.

Record Map

778 stations

778 station records on 20 May 1994 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1994: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pasamonte	United States	Record daily precipitation	61.2 mm (2.4 in)	69 of 100 (Major)
Dzalinda-1	Russia	Record daily precipitation	25.9 mm (1.0 in)	63 of 100 (Major)
Towner 2 NE	United States	Record daily precipitation	57.2 mm (2.3 in)	60 of 100 (Major)
Pendleton Dwtn	United States	Record daily precipitation	48.8 mm (1.9 in)	59 of 100 (Notable)
Tillabery	Niger	Record daily precipitation	40.9 mm (1.6 in)	56 of 100 (Notable)
Butte 5SE	United States	Record daily precipitation	58.7 mm (2.3 in)	53 of 100 (Notable)
Devils Lake Kdlr	United States	Record daily precipitation	49.0 mm (1.9 in)	53 of 100 (Notable)
Medicine Lake 3 SE	United States	Record daily precipitation	35.1 mm (1.4 in)	51 of 100 (Notable)
Mikkalo 6 W	United States	Record daily precipitation	28.7 mm (1.1 in)	49 of 100 (Notable)
Ponferrada	Spain	Record daily precipitation	27.2 mm (1.1 in)	48 of 100 (Notable)
Heppner	United States	Record daily precipitation	25.9 mm (1.0 in)	48 of 100 (Notable)
Maddock	United States	Record daily precipitation	41.4 mm (1.6 in)	47 of 100 (Notable)
Deland 1 SSE	United States	Record low maximum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Paso Ancho (Cfe)	Mexico	Record daily precipitation	59.9 mm (2.4 in)	43 of 100 (Notable)
Murdo	United States	Record daily precipitation	34.8 mm (1.4 in)	43 of 100 (Notable)
Porto	Portugal	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)
Hyannis	United States	Record low maximum temperature	8.3 C (46.9 F)	42 of 100 (Notable)
Federal Pt	United States	Record low maximum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Madison	United States	Record low minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Swan Falls Ph	United States	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Minot Exp STN	United States	Record daily precipitation	51.3 mm (2.0 in)	41 of 100 (Notable)
Fernandina Beach	United States	Record low maximum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
Ocala	United States	Record low maximum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Waycross 4 NE	United States	Record low maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Southport 5 N	United States	Record low minimum temperature	7.8 C (46.0 F)	40 of 100 (Notable)
Wauchula	United States	Record low maximum temperature	25.0 C (77.0 F)	39 of 100 (Notable)
Culbertson	United States	Record daily precipitation	25.4 mm (1.0 in)	39 of 100 (Notable)
Willow City	United States	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
Warsaw 2 NW	United States	Record low maximum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Sveg	Sweden	Record snow depth	16.0 cm (6.3 in)	38 of 100 (Notable)
Pendleton Branch Exp STN	United States	Record daily precipitation	29.7 mm (1.2 in)	38 of 100 (Notable)
Atlantic City Marina	United States	Record low maximum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Sveg	Sweden	Record low maximum temperature	4.6 C (40.3 F)	37 of 100 (Notable)
Brunswick	United States	Record low maximum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Glennville 3NW	United States	Record low maximum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Homerville 5 N	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Crescent City	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Bottineau	United States	Record daily precipitation	39.1 mm (1.5 in)	36 of 100 (Notable)
Crosby	United States	Record daily precipitation	31.5 mm (1.2 in)	36 of 100 (Notable)
Sarna	Sweden	Record snow depth	15.0 cm (5.9 in)	35 of 100 (Notable)
Bay Minette	United States	Record low minimum temperature	10.6 C (51.1 F)	35 of 100 (Notable)
Titusville	United States	Record low minimum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Mt Airy 2 W	United States	Record low minimum temperature	2.8 C (37.0 F)	35 of 100 (Notable)
Fitzgerald	United States	Record low maximum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Fayetteville (Pwc)	United States	Record low minimum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Baltimore Customs House	United States	Record low minimum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Merida Centro	Mexico	Record low minimum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Bushnell 1 E	United States	Record low maximum temperature	26.7 C (80.1 F)	33 of 100 (Routine)
Tifton	United States	Record low maximum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Langdon Exp Farm	United States	Record daily precipitation	34.5 mm (1.4 in)	33 of 100 (Routine)
Torreon Navajo Mission	United States	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Walterboro 1 SW	United States	Record low maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
St John	United States	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Thomasville 7 NE	United States	Record low maximum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Ambrose 3 N	United States	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Wytheville	United States	Record low minimum temperature	-0.6 C (30.9 F)	31 of 100 (Routine)
Tver	Russia	Record daily precipitation	30.3 mm (1.2 in)	30 of 100 (Routine)
Glen St Mary 1 W	United States	Record low maximum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Orlando Intl AP	United States	Record low maximum temperature	25.0 C (77.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

778 records

Records set or tied on 20 May 1994 by type: Highest daily maximum 80, Lowest daily maximum 200, Highest daily minimum 98, Lowest daily minimum 205, Heaviest daily rainfall 191, Deepest snow cover 4.

Records on 20 May 1994 by type
Record type	Records
Highest daily maximum	80
Lowest daily maximum	200
Highest daily minimum	98
Lowest daily minimum	205
Heaviest daily rainfall	191
Heaviest daily snowfall	0
Deepest snow cover	4

Records on 20 May 1994 by timescale: all-time 0, monthly 15, daily 763.

How Much Records Were Beaten By

585 broken records

Margins by which the 585 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

20 May 1994

Top 20 records on 20 May 1994 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1994	Pasamonte, US	daily rain	61.2 mm (2.4 in)	37.1 mm (1.5 in)	72 years	69 of 100 (Major)
20 May 1994	Dzalinda-1, RU	monthly rain	25.9 mm (1.0 in)	11.1 mm (0.4 in)	28 years	63 of 100 (Major)
20 May 1994	Towner 2 NE, US	daily rain	57.2 mm (2.3 in)	31.8 mm (1.3 in)	56 years	60 of 100 (Major)
20 May 1994	Pendleton Dwtn, US	monthly rain	48.8 mm (1.9 in)	7.1 mm (0.28 in)	87 years	59 of 100 (Notable)
20 May 1994	Tillabery, NE	daily rain	40.9 mm (1.6 in)	34.4 mm (1.4 in)	43 years	56 of 100 (Notable)
20 May 1994	Butte 5SE, US	daily rain	58.7 mm (2.3 in)	38.1 mm (1.5 in)	20 years	53 of 100 (Notable)
20 May 1994	Devils Lake Kdlr, US	daily rain	49.0 mm (1.9 in)	33.3 mm (1.3 in)	20 years	53 of 100 (Notable)
20 May 1994	Medicine Lake 3 SE, US	daily rain	35.1 mm (1.4 in)	22.7 mm (0.9 in)	36 years	51 of 100 (Notable)
20 May 1994	Mikkalo 6 W, US	daily rain	28.7 mm (1.1 in)	17.3 mm (0.7 in)	33 years	49 of 100 (Notable)
20 May 1994	Ponferrada, ES	daily rain	27.2 mm (1.1 in)	19.1 mm (0.8 in)	35 years	48 of 100 (Notable)
20 May 1994	Heppner, US	daily rain	25.9 mm (1.0 in)	7.1 mm (0.28 in)	81 years	48 of 100 (Notable)
20 May 1994	Maddock, US	daily rain	41.4 mm (1.6 in)	27.4 mm (1.1 in)	15 years	47 of 100 (Notable)
20 May 1994	Deland 1 SSE, US	daily low max	22.8 C (73.0 F)	2.8 C (5.0 F)	83 years	44 of 100 (Notable)
20 May 1994	Paso Ancho (Cfe), MX	daily rain	59.9 mm (2.4 in)	38.6 mm (1.5 in)	16 years	43 of 100 (Notable)
20 May 1994	Murdo, US	daily rain	34.8 mm (1.4 in)	11.9 mm (0.5 in)	76 years	43 of 100 (Notable)
20 May 1994	Porto, PT	daily rain	46.0 mm (1.8 in)	21.0 mm (0.8 in)	49 years	42 of 100 (Notable)
20 May 1994	Hyannis, US	daily low max	8.3 C (46.9 F)	1.7 C (3.1 F)	94 years	42 of 100 (Notable)
20 May 1994	Federal Pt, US	daily low max	22.2 C (72.0 F)	0.6 C (1.1 F)	99 years	41 of 100 (Notable)
20 May 1994	Madison, US	daily low min	10.6 C (51.1 F)	2.7 C (4.9 F)	75 years	41 of 100 (Notable)
20 May 1994	Swan Falls Ph, US	daily rain	25.4 mm (1.0 in)	13.5 mm (0.5 in)	25 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

1802 to 1994

Records set or tied on this calendar date in each year from 1802 to 1994. 1994 had 778 records.

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

Records on 05-20 in each year
Year	Records
1802	1
1803	1
1804	1
1815	1
1825	1
1837	1
1844	1
1845	3
1847	1
1854	1
1858	3
1861	1
1862	1
1865	1
1867	1
1868	2
1870	3
1871	2
1876	2
1877	3
1879	1
1880	2
1884	2
1885	1
1887	2
1889	3
1890	3
1891	5
1892	3
1893	1
1894	6
1895	3
1896	3
1897	3
1898	4
1899	4
1900	1
1901	5
1902	11
1903	19
1904	4
1905	4
1906	22
1907	35
1908	23
1909	10
1910	20
1911	82
1912	20
1913	10
1914	16
1915	42
1916	29
1917	46
1918	92
1919	56
1920	44
1921	234
1922	40
1923	125
1924	189
1925	251
1926	128
1927	118
1928	138
1929	323
1930	129
1931	451
1932	689
1933	449
1934	582
1935	259
1936	207
1937	270
1938	331
1939	266
1940	337
1941	378
1942	337
1943	802
1944	315
1945	498
1946	339
1947	358
1948	514
1949	586
1950	327
1951	288
1952	615
1953	518
1954	822
1955	421
1956	565
1957	728
1958	378
1959	785
1960	612
1961	333
1962	773
1963	732
1964	517
1965	200
1966	416
1967	587
1968	743
1969	885
1970	310
1971	653
1972	612
1973	419
1974	893
1975	1,332
1976	837
1977	553
1978	534
1979	683
1980	751
1981	1,540
1982	554
1983	1,307
1984	867
1985	426
1986	790
1987	1,036
1988	805
1989	764
1990	722
1991	925
1992	1,200
1993	1,208
1994	778
1995	734
1996	1,749
1997	1,106
1998	1,124
1999	673
2000	991
2001	847
2002	2,299
2003	1,201
2004	746
2005	929
2006	1,006
2007	565
2008	999
2009	1,529
2010	1,011
2011	1,117
2012	604
2013	919
2014	629
2015	1,001
2016	692
2017	1,214
2018	460
2019	1,483
2020	784
2021	904
2022	1,643
2023	1,106
2024	478
2025	969
2026	696

Download the Data

Data for records on 1994-05-20: 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	571
20 to 40	10
40 to 60	2
60 to 80	0
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1