Weather Records on 11 May 1907

44 weather records were set or tied worldwide on 11 May 1907. Highest significance: Praha-Klementinum, CZ.

Key Facts for 11 May 1907

On 11 May 1907, 44 weather records were set or tied at long-record stations worldwide.
11 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 40 daily.
Praha-Klementinum set a daily record high maximum temperature of 27.6 C (81.7 F) on 11 May 1907.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 466 records.

Record Map

44 stations

44 station records on 11 May 1907 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1907: highest significance records shown on the map
Station	Country	Type	Value	Significance
Praha-Klementinum	Czech Republic	Record high maximum temperature	27.6 C (81.7 F)	41 of 100 (Notable)
Jena Sternwarte	Germany	Record high maximum temperature	31.4 C (88.5 F)	31 of 100 (Routine)
Saint John	Canada	Record daily snowfall	10.9 cm (4.3 in)	26 of 100 (Routine)
Saint John	Canada	Record low maximum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	28.2 C (82.8 F)	19 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low maximum temperature	16.7 C (62.1 F)	19 of 100 (Routine)
Milan	Italy	Record high maximum temperature	30.3 C (86.5 F)	19 of 100 (Routine)
Port Dover	Canada	Record low minimum temperature	-4.4 C (24.1 F)	17 of 100 (Routine)
Charlottetown	Canada	Record daily snowfall	11.4 cm (4.5 in)	16 of 100 (Routine)
Berlin-Dahlem	Germany	Record high maximum temperature	28.7 C (83.7 F)	16 of 100 (Routine)
La Crosse Wb City	United States	Record low minimum temperature	1.1 C (34.0 F)	16 of 100 (Routine)
Port Arthur	Canada	Record low minimum temperature	-6.7 C (19.9 F)	15 of 100 (Routine)
Stonecliffe	Canada	Record low maximum temperature	4.4 C (39.9 F)	15 of 100 (Routine)
Riva	Italy	Record high minimum temperature	17.3 C (63.1 F)	14 of 100 (Routine)
Dubuque River	United States	Record low minimum temperature	0.6 C (33.1 F)	14 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record low maximum temperature	6.7 C (44.1 F)	13 of 100 (Routine)
Kremsmuenster	Austria	Record high maximum temperature	28.3 C (82.9 F)	12 of 100 (Routine)
Kingston Queens U	Canada	Record low maximum temperature	5.6 C (42.1 F)	12 of 100 (Routine)
Madison Wb City	United States	Record low minimum temperature	-1.1 C (30.0 F)	12 of 100 (Routine)
Port Stanley	Canada	Record low maximum temperature	8.3 C (46.9 F)	11 of 100 (Routine)
Sandvig	Denmark	Record high maximum temperature	19.0 C (66.2 F)	11 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	27.5 C (81.5 F)	11 of 100 (Routine)
Buffalo	United States	Record low maximum temperature	4.4 C (39.9 F)	11 of 100 (Routine)
Toledo Blade	United States	Record low maximum temperature	8.9 C (48.0 F)	11 of 100 (Routine)
Escanaba	United States	Record low minimum temperature	-3.9 C (25.0 F)	11 of 100 (Routine)
Buffalo	United States	Record low minimum temperature	-1.7 C (28.9 F)	10 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record low minimum temperature	1.7 C (35.1 F)	10 of 100 (Routine)
Milwaukee Wb City	United States	Record low minimum temperature	-0.6 C (30.9 F)	10 of 100 (Routine)
Montreal McGill	Canada	Record low maximum temperature	5.6 C (42.1 F)	9 of 100 (Routine)
Halifax	Canada	Record daily precipitation	25.9 mm (1.0 in)	9 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	11.4 C (52.5 F)	9 of 100 (Routine)
Salzburg	Austria	Record high maximum temperature	27.1 C (80.8 F)	8 of 100 (Routine)
Charlottetown	Canada	Record low minimum temperature	-1.1 C (30.0 F)	8 of 100 (Routine)
Stratford	Canada	Record low minimum temperature	-3.9 C (25.0 F)	6 of 100 (Routine)
Southampton	Canada	Record low maximum temperature	2.2 C (36.0 F)	5 of 100 (Routine)
Port Stanley	Canada	Record low minimum temperature	-2.8 C (27.0 F)	5 of 100 (Routine)
Woodstock	Canada	Record low minimum temperature	-3.3 C (26.1 F)	5 of 100 (Routine)
Toledo Blade	United States	Record low minimum temperature	-1.1 C (30.0 F)	5 of 100 (Routine)
Escanaba	United States	Record low maximum temperature	5.0 C (41.0 F)	4 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	6.7 C (44.1 F)	2 of 100 (Routine)
Truro	Canada	Record daily snowfall	2.5 cm (1.0 in)	2 of 100 (Routine)
Milwaukee Wb City	United States	Record low maximum temperature	6.7 C (44.1 F)	2 of 100 (Routine)
Quebec	Canada	Record low minimum temperature	-2.8 C (27.0 F)	1 of 100 (Routine)
World Trade Ctr	United States	Record low minimum temperature	4.4 C (39.9 F)	0 of 100 (Routine)

Counts by Type and Timescale

44 records

Records set or tied on 11 May 1907 by type: Highest daily maximum 9, Lowest daily maximum 13, Highest daily minimum 2, Lowest daily minimum 16, Heaviest daily rainfall 1, Heaviest daily snowfall 3.

Records on 11 May 1907 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	13
Highest daily minimum	2
Lowest daily minimum	16
Heaviest daily rainfall	1
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 11 May 1907 by timescale: all-time 0, monthly 4, daily 40.

How Much Records Were Beaten By

37 broken records

Margins by which the 37 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.0. Ties are not counted.

Top 20 by Significance

11 May 1907

Top 20 records on 11 May 1907 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1907	Praha-Klementinum, CZ	daily high max	27.6 C (81.7 F)	0.8 C (1.4 F)	127 years	41 of 100 (Notable)
11 May 1907	Jena Sternwarte, DE	daily high max	31.4 C (88.5 F)	3.3 C (5.9 F)	59 years	31 of 100 (Routine)
11 May 1907	Saint John, CA	monthly snowfall	10.9 cm (4.3 in)	3.3 cm (1.3 in)	23 years	26 of 100 (Routine)
11 May 1907	Saint John, CA	daily low max	5.0 C (41.0 F)	3.9 C (7.0 F)	30 years	22 of 100 (Routine)
11 May 1907	Uccle, BE	daily high max	28.2 C (82.8 F)	3.0 C (5.4 F)	22 years	19 of 100 (Routine)
11 May 1907	Nuwara Eliya, LK	daily low max	16.7 C (62.1 F)	1.9 C (3.4 F)	23 years	19 of 100 (Routine)
11 May 1907	Milan, IT	daily high max	30.3 C (86.5 F)	1.4 C (2.5 F)	22 years	19 of 100 (Routine)
11 May 1907	Port Dover, CA	monthly low min	-4.4 C (24.1 F)	0.5 C (0.9 F)	11 years	17 of 100 (Routine)
11 May 1907	Charlottetown, CA	daily snowfall	11.4 cm (4.5 in)	3.8 cm (1.5 in)	22 years	16 of 100 (Routine)
11 May 1907	Berlin-Dahlem, DE	daily high max	28.7 C (83.7 F)	4.2 C (7.6 F)	17 years	16 of 100 (Routine)
11 May 1907	La Crosse Wb City, US	daily low min	1.1 C (34.0 F)	1.7 C (3.1 F)	33 years	16 of 100 (Routine)
11 May 1907	Port Arthur, CA	daily low min	-6.7 C (19.9 F)	2.3 C (4.1 F)	21 years	15 of 100 (Routine)
11 May 1907	Stonecliffe, CA	daily low max	4.4 C (39.9 F)	2.8 C (5.0 F)	28 years	15 of 100 (Routine)
11 May 1907	Riva, IT	daily high min	17.3 C (63.1 F)	1.4 C (2.5 F)	22 years	14 of 100 (Routine)
11 May 1907	Dubuque River, US	daily low min	0.6 C (33.1 F)	2.2 C (4.0 F)	23 years	14 of 100 (Routine)
11 May 1907	Cleveland 2717 Euclid, US	daily low max	6.7 C (44.1 F)	2.2 C (4.0 F)	24 years	13 of 100 (Routine)
11 May 1907	Kremsmuenster, AT	daily high max	28.3 C (82.9 F)	2.6 C (4.7 F)	16 years	12 of 100 (Routine)
11 May 1907	Kingston Queens U, CA	daily low max	5.6 C (42.1 F)	1.6 C (2.9 F)	21 years	12 of 100 (Routine)
11 May 1907	Madison Wb City, US	daily low min	-1.1 C (30.0 F)	1.7 C (3.1 F)	21 years	12 of 100 (Routine)
11 May 1907	Port Stanley, CA	daily low max	8.3 C (46.9 F)	0.6 C (1.1 F)	24 years	11 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

1814 to 1907

Records set or tied on this calendar date in each year from 1814 to 1907. 1907 had 44 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 1907-05-11: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	34
5 to 10	1
10 to 15	0
15 to 20	0
20 to 25	0
25 to 30	0
30 to 35	1
35 to 40	1