Weather Records on 4 April 2003

1,055 weather records were set or tied worldwide on 4 April 2003. Highest significance: Bologna, IT.

Key Facts for 4 April 2003

On 4 April 2003, 1,055 weather records were set or tied at long-record stations worldwide.
400 were record highs and 357 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 45 monthly and 1,009 daily.
Bologna set a daily record precipitation of 57.0 mm (2.2 in) on 4 April 2003.
Across 155 earlier years (1794 to 2026) the same calendar date averaged 501 records.

Record Map

1,055 stations

1,055 station records on 4 April 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 April 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bologna	Italy	Record daily precipitation	57.0 mm (2.2 in)	74 of 100 (Major)
Larimore 4SW	United States	Record daily precipitation	50.8 mm (2.0 in)	62 of 100 (Major)
Sandusky	United States	Record daily precipitation	60.7 mm (2.4 in)	58 of 100 (Notable)
S Haven	United States	Record daily precipitation	51.3 mm (2.0 in)	52 of 100 (Notable)
Jandowae Post Office	Australia	Record daily precipitation	49.8 mm (2.0 in)	51 of 100 (Notable)
Santo Domingo	Mexico	Record low minimum temperature	10.0 C (50.0 F)	51 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record daily precipitation	43.9 mm (1.7 in)	51 of 100 (Notable)
Gaylord	United States	Record low maximum temperature	-6.1 C (21.0 F)	50 of 100 (Notable)
Oswego	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Lansing Capital City AP	United States	Record daily precipitation	39.1 mm (1.5 in)	49 of 100 (Notable)
Petoskey	United States	Record daily snowfall	30.5 cm (12.0 in)	47 of 100 (Notable)
Durham	United States	Record daily snowfall	12.2 cm (4.8 in)	47 of 100 (Notable)
Grafton	United States	Record daily snowfall	17.8 cm (7.0 in)	47 of 100 (Notable)
Williamston 3NE	United States	Record daily precipitation	51.3 mm (2.0 in)	45 of 100 (Notable)
Belcourt Keya Radio	United States	Record daily precipitation	101.6 mm (4.0 in)	44 of 100 (Notable)
Rest Lake	United States	Record low maximum temperature	-7.2 C (19.0 F)	43 of 100 (Notable)
S Bend AP	United States	Record daily precipitation	48.0 mm (1.9 in)	43 of 100 (Notable)
Flora 5 NW	United States	Record high minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Berne Wwtp	United States	Record daily precipitation	43.4 mm (1.7 in)	41 of 100 (Notable)
Glens Falls Farm	United States	Record daily snowfall	20.3 cm (8.0 in)	41 of 100 (Notable)
Findlay Wpcc	United States	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Greenville Wtp	United States	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Ft Wayne Intl AP	United States	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Duluth	United States	Record daily snowfall	21.6 cm (8.5 in)	41 of 100 (Notable)
Rockville	United States	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Vevay	United States	Record high minimum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Allegan 5NE	United States	Record daily precipitation	45.0 mm (1.8 in)	40 of 100 (Notable)
Petoskey	United States	Record low maximum temperature	-4.4 C (24.1 F)	40 of 100 (Notable)
Alpena Wwtp	United States	Record snow depth	33.0 cm (13.0 in)	40 of 100 (Notable)
Oujda	Morocco	Record low minimum temperature	0.7 C (33.3 F)	39 of 100 (Notable)
Carbondale Sewage Plt	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Tuscola	United States	Record high minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Washington 1 W	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Makaweli 965	United States	Record daily precipitation	43.4 mm (1.7 in)	39 of 100 (Notable)
Tizi Ouzou	Algeria	Record low maximum temperature	10.5 C (50.9 F)	38 of 100 (Notable)
Fall Rvr Lake	United States	Record high minimum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Cross Village 1E	United States	Record daily snowfall	20.6 cm (8.1 in)	38 of 100 (Notable)
Manistique Wwtp	United States	Record daily snowfall	17.8 cm (7.0 in)	38 of 100 (Notable)
W Branch 3SE	United States	Record low maximum temperature	-2.2 C (28.0 F)	38 of 100 (Notable)
Logansport Cicott St	United States	Record high maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Bloomingdale	United States	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Charlotte	United States	Record daily precipitation	34.3 mm (1.4 in)	37 of 100 (Notable)
Hastings	United States	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Epping	United States	Record daily snowfall	15.2 cm (6.0 in)	37 of 100 (Notable)
Georgetown Rs	United States	Record daily snowfall	19.1 cm (7.5 in)	36 of 100 (Notable)
Grace	United States	Record low minimum temperature	-12.8 C (9.0 F)	36 of 100 (Notable)
Cheboygan	United States	Record daily snowfall	25.4 cm (10.0 in)	36 of 100 (Notable)
Niles	United States	Record daily precipitation	52.3 mm (2.1 in)	36 of 100 (Notable)
Haugan 1 W	United States	Record low maximum temperature	3.3 C (37.9 F)	36 of 100 (Notable)
Toledo Express AP	United States	Record daily precipitation	38.9 mm (1.5 in)	36 of 100 (Notable)
Alger-Dar El Beida	Algeria	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Trangie Research Station AWS	Australia	Record daily precipitation	36.0 mm (1.4 in)	35 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Lupton 1S	United States	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
St Charles Elm Pt	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Jambin Post Office	Australia	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
San Diego Curupatzeo	Mexico	Record low minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Klamath	United States	Record low maximum temperature	5.0 C (41.0 F)	34 of 100 (Routine)
Farmland 5 NNW	United States	Record high minimum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Ipswich	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)

Counts by Type and Timescale

1,055 records

Records set or tied on 4 April 2003 by type: Highest daily maximum 148, Lowest daily maximum 244, Highest daily minimum 252, Lowest daily minimum 113, Heaviest daily rainfall 206, Heaviest daily snowfall 81, Deepest snow cover 11.

Records on 4 April 2003 by type
Record type	Records
Highest daily maximum	148
Lowest daily maximum	244
Highest daily minimum	252
Lowest daily minimum	113
Heaviest daily rainfall	206
Heaviest daily snowfall	81
Deepest snow cover	11

Records on 4 April 2003 by timescale: all-time 1, monthly 45, daily 1,009.

How Much Records Were Beaten By

775 broken records

Margins by which the 775 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

4 April 2003

Top 20 records on 4 April 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 April 2003	Bologna, IT	daily rain	57.0 mm (2.2 in)	30.1 mm (1.2 in)	96 years	74 of 100 (Major)
4 April 2003	Larimore 4SW, US	daily rain	50.8 mm (2.0 in)	41.7 mm (1.6 in)	41 years	62 of 100 (Major)
4 April 2003	Sandusky, US	daily rain	60.7 mm (2.4 in)	30.0 mm (1.2 in)	45 years	58 of 100 (Notable)
4 April 2003	S Haven, US	daily rain	51.3 mm (2.0 in)	29.2 mm (1.1 in)	33 years	52 of 100 (Notable)
4 April 2003	Jandowae Post Office, AU	daily rain	49.8 mm (2.0 in)	25.4 mm (1.0 in)	70 years	51 of 100 (Notable)
4 April 2003	Santo Domingo, MX	daily low min	10.0 C (50.0 F)	5.0 C (9.0 F)	49 years	51 of 100 (Notable)
4 April 2003	Valparaiso Wtr Wks, US	daily rain	43.9 mm (1.7 in)	16.0 mm (0.6 in)	82 years	51 of 100 (Notable)
4 April 2003	Gaylord, US	monthly low max	-6.1 C (21.0 F)	0.5 C (0.9 F)	106 years	50 of 100 (Notable)
4 April 2003	Oswego, US	monthly rain	50.8 mm (2.0 in)	14.0 mm (0.6 in)	33 years	49 of 100 (Notable)
4 April 2003	Lansing Capital City AP, US	daily rain	39.1 mm (1.5 in)	22.3 mm (0.9 in)	52 years	49 of 100 (Notable)
4 April 2003	Petoskey, US	monthly snowfall	30.5 cm (12.0 in)	2.6 cm (1.0 in)	74 years	47 of 100 (Notable)
4 April 2003	Durham, US	daily snowfall	12.2 cm (4.8 in)	7.1 cm (2.8 in)	88 years	47 of 100 (Notable)
4 April 2003	Grafton, US	daily snowfall	17.8 cm (7.0 in)	12.7 cm (5.0 in)	62 years	47 of 100 (Notable)
4 April 2003	Williamston 3NE, US	daily rain	51.3 mm (2.0 in)	26.7 mm (1.1 in)	22 years	45 of 100 (Notable)
4 April 2003	Belcourt Keya Radio, US	monthly rain	101.6 mm (4.0 in)	25.4 mm (1.0 in)	0 years	44 of 100 (Notable)
4 April 2003	Rest Lake, US	monthly low max	-7.2 C (19.0 F)	0.5 C (0.9 F)	82 years	43 of 100 (Notable)
4 April 2003	S Bend AP, US	daily rain	48.0 mm (1.9 in)	19.8 mm (0.8 in)	33 years	43 of 100 (Notable)
4 April 2003	Flora 5 NW, US	daily high min	17.8 C (64.0 F)	2.2 C (4.0 F)	92 years	41 of 100 (Notable)
4 April 2003	Berne Wwtp, US	daily rain	43.4 mm (1.7 in)	20.3 mm (0.8 in)	34 years	41 of 100 (Notable)
4 April 2003	Glens Falls Farm, US	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	28 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

1794 to 2003

Records set or tied on this calendar date in each year from 1794 to 2003. 2003 had 1,055 records.

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

Records on 04-04 in each year
Year	Records
1794	1
1808	1
1809	1
1815	2
1819	1
1853	1
1857	1
1873	1
1874	2
1877	2
1878	1
1879	3
1880	2
1881	3
1882	1
1883	1
1884	1
1885	1
1886	2
1887	1
1888	1
1891	1
1892	6
1893	2
1895	2
1896	3
1897	4
1898	7
1899	4
1900	7
1901	12
1902	2
1903	17
1904	6
1905	23
1906	7
1907	9
1908	20
1909	15
1910	48
1911	55
1912	25
1913	31
1914	13
1915	52
1916	65
1917	36
1918	37
1919	27
1920	89
1921	205
1922	39
1923	101
1924	51
1925	126
1926	206
1927	203
1928	625
1929	1,320
1930	86
1931	201
1932	193
1933	167
1934	656
1935	402
1936	714
1937	344
1938	201
1939	243
1940	392
1941	353
1942	537
1943	456
1944	975
1945	806
1946	459
1947	397
1948	202
1949	458
1950	1,044
1951	352
1952	348
1953	332
1954	742
1955	448
1956	426
1957	984
1958	492
1959	524
1960	756
1961	525
1962	308
1963	586
1964	675
1965	443
1966	469
1967	438
1968	640
1969	424
1970	438
1971	560
1972	695
1973	511
1974	1,356
1975	1,981
1976	353
1977	780
1978	497
1979	984
1980	690
1981	1,393
1982	1,251
1983	1,202
1984	762
1985	865
1986	810
1987	2,317
1988	1,119
1989	668
1990	826
1991	957
1992	1,270
1993	733
1994	726
1995	935
1996	699
1997	1,538
1998	931
1999	1,575
2000	1,371
2001	1,040
2002	989
2003	1,055
2004	782
2005	1,070
2006	911
2007	1,009
2008	860
2009	1,068
2010	758
2011	1,155
2012	830
2013	938
2014	705
2015	452
2016	795
2017	603
2018	1,196
2019	407
2020	914
2021	1,341
2022	1,014
2023	2,058
2024	966
2025	1,330
2026	894

Download the Data

Data for records on 2003-04-04: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 20	699
20 to 40	40
40 to 60	13
60 to 80	11
80 to 100	5
100 to 120	3
120 to 140	3
140 to 160	1