Weather Records on 15 May 1927

191 weather records were set or tied worldwide on 15 May 1927. Highest significance: Geilo, NO.

Key Facts for 15 May 1927

On 15 May 1927, 191 weather records were set or tied at long-record stations worldwide.
54 were record highs and 96 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 187 daily.
Geilo set a daily record snow depth of 132.0 cm (52.0 in) on 15 May 1927.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 432 records.

Record Map

191 stations

191 station records on 15 May 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Geilo	Norway	Record snow depth	132.0 cm (52.0 in)	45 of 100 (Notable)
Buffelsnek (Bos)	South Africa	Record daily precipitation	57.2 mm (2.3 in)	44 of 100 (Notable)
Vestervig	Denmark	Record low minimum temperature	-2.2 C (28.0 F)	29 of 100 (Routine)
Sandvig	Denmark	Record low minimum temperature	-1.5 C (29.3 F)	26 of 100 (Routine)
Knysna (Tnk)	South Africa	Record daily precipitation	34.3 mm (1.4 in)	26 of 100 (Routine)
Orono	United States	Record daily precipitation	27.7 mm (1.1 in)	25 of 100 (Routine)
Watford	Canada	Record daily precipitation	33.3 mm (1.3 in)	23 of 100 (Routine)
Welland	Canada	Record low maximum temperature	8.3 C (46.9 F)	22 of 100 (Routine)
Scottsburg	United States	Record low maximum temperature	11.1 C (52.0 F)	22 of 100 (Routine)
Tooele	United States	Record high maximum temperature	34.4 C (93.9 F)	22 of 100 (Routine)
Philippi	United States	Record daily precipitation	37.8 mm (1.5 in)	22 of 100 (Routine)
Little Mtn	United States	Record low minimum temperature	0.6 C (33.1 F)	21 of 100 (Routine)
Lottering (Bos)	South Africa	Record daily precipitation	79.8 mm (3.1 in)	20 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	0.0 C (32.0 F)	20 of 100 (Routine)
Kiev	Ukraine	Record low minimum temperature	-0.1 C (31.8 F)	20 of 100 (Routine)
Tsomo (Pol)	South Africa	Record daily precipitation	19.8 mm (0.8 in)	19 of 100 (Routine)
Paris Stp	United States	Record low maximum temperature	10.0 C (50.0 F)	19 of 100 (Routine)
Inverell Comparison	Australia	Record high maximum temperature	26.7 C (80.1 F)	18 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low minimum temperature	-0.5 C (31.1 F)	18 of 100 (Routine)
Skara 1	Sweden	Record low minimum temperature	-4.0 C (24.8 F)	18 of 100 (Routine)
San Bernardino F S 226	United States	Record high minimum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Deseret	United States	Record high maximum temperature	32.2 C (90.0 F)	18 of 100 (Routine)
Scipio	United States	Record high maximum temperature	31.7 C (89.1 F)	18 of 100 (Routine)
Waren	Germany	Record low maximum temperature	6.8 C (44.2 F)	17 of 100 (Routine)
Wittstock-Rote Muhle	Germany	Record daily precipitation	10.5 mm (0.4 in)	17 of 100 (Routine)
Weissenburg	Germany	Record low minimum temperature	0.0 C (32.0 F)	17 of 100 (Routine)
Boras	Sweden	Record low minimum temperature	-4.5 C (23.9 F)	17 of 100 (Routine)
Granite Reef Dam	United States	Record high maximum temperature	40.6 C (105.1 F)	17 of 100 (Routine)
Stockton 2	United States	Record high minimum temperature	17.2 C (63.0 F)	17 of 100 (Routine)
1 ENE Fairfield	United States	Record low maximum temperature	13.3 C (55.9 F)	17 of 100 (Routine)
Vincennes 4 E	United States	Record low maximum temperature	12.8 C (55.0 F)	17 of 100 (Routine)
St George	United States	Record high maximum temperature	38.3 C (100.9 F)	17 of 100 (Routine)
S Bend AP	United States	Record low maximum temperature	6.7 C (44.1 F)	17 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low minimum temperature	7.0 C (44.6 F)	16 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low minimum temperature	4.9 C (40.8 F)	16 of 100 (Routine)
Tranebjerg	Denmark	Record low minimum temperature	-0.2 C (31.6 F)	16 of 100 (Routine)
Nevada City	United States	Record high maximum temperature	36.1 C (97.0 F)	16 of 100 (Routine)
Olney 2S	United States	Record low maximum temperature	14.4 C (57.9 F)	16 of 100 (Routine)
Concord	United States	Record daily precipitation	14.5 mm (0.6 in)	16 of 100 (Routine)
Laghouat	Algeria	Record daily precipitation	6.0 mm (0.24 in)	15 of 100 (Routine)
Chatham 2	Canada	Record low maximum temperature	8.9 C (48.0 F)	15 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record daily precipitation	4.8 mm (0.19 in)	15 of 100 (Routine)
Millwood (Bos)	South Africa	Record daily precipitation	31.8 mm (1.3 in)	15 of 100 (Routine)
San Jacinto	United States	Record high minimum temperature	13.9 C (57.0 F)	15 of 100 (Routine)
Kalamazoo State Hospital	United States	Record low maximum temperature	6.7 C (44.1 F)	15 of 100 (Routine)
Gloversville	United States	Record daily precipitation	27.2 mm (1.1 in)	15 of 100 (Routine)
Lakeview 2 NNW	United States	Record high minimum temperature	11.7 C (53.1 F)	15 of 100 (Routine)
Heber	United States	Record high maximum temperature	28.9 C (84.0 F)	15 of 100 (Routine)
Yuma Wb City	United States	Record high minimum temperature	20.0 C (68.0 F)	15 of 100 (Routine)
Zagreb-Gric	Croatia	Record low minimum temperature	5.0 C (41.0 F)	14 of 100 (Routine)
Syktyvkar	Russia	Record daily precipitation	11.0 mm (0.4 in)	14 of 100 (Routine)
Bloukrans (Bos)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	14 of 100 (Routine)
Valley Head	United States	Record low maximum temperature	19.4 C (66.9 F)	14 of 100 (Routine)
Delta	United States	Record high maximum temperature	31.7 C (89.1 F)	14 of 100 (Routine)
Greenville	United States	Record low maximum temperature	15.0 C (59.0 F)	14 of 100 (Routine)
Bluffton Wtr Wks	United States	Record low maximum temperature	7.8 C (46.0 F)	14 of 100 (Routine)
Marion 2 N	United States	Record low maximum temperature	9.4 C (48.9 F)	14 of 100 (Routine)
Bardstown	United States	Record low maximum temperature	12.2 C (54.0 F)	14 of 100 (Routine)
Keene	United States	Record daily precipitation	10.4 mm (0.4 in)	14 of 100 (Routine)
Glens Falls Fire STN	United States	Record low maximum temperature	13.3 C (55.9 F)	14 of 100 (Routine)

Counts by Type and Timescale

191 records

Records set or tied on 15 May 1927 by type: Highest daily maximum 39, Lowest daily maximum 74, Highest daily minimum 15, Lowest daily minimum 22, Heaviest daily rainfall 39, Deepest snow cover 2.

Records on 15 May 1927 by type
Record type	Records
Highest daily maximum	39
Lowest daily maximum	74
Highest daily minimum	15
Lowest daily minimum	22
Heaviest daily rainfall	39
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 15 May 1927 by timescale: all-time 0, monthly 4, daily 187.

How Much Records Were Beaten By

162 broken records

Margins by which the 162 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1020.0. Ties are not counted.

Top 20 by Significance

15 May 1927

Top 20 records on 15 May 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1927	Geilo, NO	daily snow depth	132.0 cm (52.0 in)	102.0 cm (40.2 in)	9 years	45 of 100 (Notable)
15 May 1927	Buffelsnek (Bos), ZA	daily rain	57.2 mm (2.3 in)	37.1 mm (1.5 in)	29 years	44 of 100 (Notable)
15 May 1927	Vestervig, DK	monthly low min	-2.2 C (28.0 F)	0.4 C (0.7 F)	44 years	29 of 100 (Routine)
15 May 1927	Sandvig, DK	daily low min	-1.5 C (29.3 F)	4.2 C (7.6 F)	18 years	26 of 100 (Routine)
15 May 1927	Knysna (Tnk), ZA	daily rain	34.3 mm (1.4 in)	16.0 mm (0.6 in)	41 years	26 of 100 (Routine)
15 May 1927	Orono, US	daily rain	27.7 mm (1.1 in)	15.3 mm (0.6 in)	26 years	25 of 100 (Routine)
15 May 1927	Watford, CA	daily rain	33.3 mm (1.3 in)	13.5 mm (0.5 in)	17 years	23 of 100 (Routine)
15 May 1927	Welland, CA	daily low max	8.3 C (46.9 F)	1.7 C (3.1 F)	48 years	22 of 100 (Routine)
15 May 1927	Scottsburg, US	daily low max	11.1 C (52.0 F)	6.1 C (11.0 F)	29 years	22 of 100 (Routine)
15 May 1927	Tooele, US	monthly high max	34.4 C (93.9 F)	2.2 C (4.0 F)	16 years	22 of 100 (Routine)
15 May 1927	Philippi, US	daily rain	37.8 mm (1.5 in)	14.7 mm (0.6 in)	18 years	22 of 100 (Routine)
15 May 1927	Little Mtn, US	monthly low min	0.6 C (33.1 F)	2.7 C (4.9 F)	4 years	21 of 100 (Routine)
15 May 1927	Lottering (Bos), ZA	daily rain	79.8 mm (3.1 in)	40.2 mm (1.6 in)	2 years	20 of 100 (Routine)
15 May 1927	Kristianstad, SE	daily low min	0.0 C (32.0 F)	1.5 C (2.7 F)	41 years	20 of 100 (Routine)
15 May 1927	Kiev, UA	daily low min	-0.1 C (31.8 F)	1.6 C (2.9 F)	44 years	20 of 100 (Routine)
15 May 1927	Tsomo (Pol), ZA	daily rain	19.8 mm (0.8 in)	7.1 mm (0.28 in)	20 years	19 of 100 (Routine)
15 May 1927	Paris Stp, US	daily low max	10.0 C (50.0 F)	5.0 C (9.0 F)	29 years	19 of 100 (Routine)
15 May 1927	Inverell Comparison, AU	daily high max	26.7 C (80.1 F)	2.8 C (5.0 F)	21 years	18 of 100 (Routine)
15 May 1927	Munchen-Nymphenburg, DE	daily low min	-0.5 C (31.1 F)	0.9 C (1.6 F)	41 years	18 of 100 (Routine)
15 May 1927	Skara 1, SE	daily low min	-4.0 C (24.8 F)	2.5 C (4.5 F)	26 years	18 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

1820 to 1927

Records set or tied on this calendar date in each year from 1820 to 1927. 1927 had 191 records.

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

Records on 05-15 in each year
Year	Records
1820	1
1825	1
1831	1
1832	1
1837	2
1845	1
1847	2
1848	1
1855	2
1857	2
1859	1
1862	1
1863	1
1865	1
1866	2
1867	1
1868	2
1870	1
1871	3
1874	2
1876	4
1878	1
1879	2
1881	1
1883	1
1885	1
1886	2
1888	3
1891	3
1893	5
1894	2
1895	4
1896	2
1897	4
1898	3
1899	9
1900	9
1901	2
1902	9
1903	4
1904	13
1905	16
1906	10
1907	27
1908	25
1909	89
1910	27
1911	27
1912	26
1913	60
1914	16
1915	236
1916	27
1917	80
1918	133
1919	25
1920	58
1921	92
1922	30
1923	125
1924	174
1925	100
1926	161
1927	191
1928	144
1929	161
1930	136
1931	459
1932	368
1933	439
1934	227
1935	288
1936	372
1937	373
1938	393
1939	351
1940	179
1941	454
1942	701
1943	568
1944	630
1945	588
1946	238
1947	334
1948	264
1949	363
1950	260
1951	736
1952	476
1953	426
1954	355
1955	538
1956	466
1957	521
1958	605
1959	764
1960	291
1961	508
1962	1,128
1963	782
1964	347
1965	320
1966	389
1967	609
1968	1,019
1969	790
1970	512
1971	351
1972	484
1973	818
1974	1,230
1975	372
1976	803
1977	1,186
1978	922
1979	404
1980	625
1981	586
1982	500
1983	1,215
1984	1,059
1985	649
1986	679
1987	1,073
1988	643
1989	552
1990	776
1991	1,179
1992	944
1993	784
1994	910
1995	1,750
1996	1,452
1997	1,175
1998	1,641
1999	810
2000	850
2001	1,280
2002	801
2003	1,023
2004	1,046
2005	767
2006	955
2007	949
2008	995
2009	675
2010	1,088
2011	1,298
2012	751
2013	1,081
2014	1,411
2015	717
2016	890
2017	435
2018	1,074
2019	627
2020	472
2021	412
2022	847
2023	566
2024	596
2025	801
2026	481

Download the Data

Data for records on 1927-05-15: 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 200	161
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	0
1000 to 1200	1