Weather Records on 8 May 1927

328 weather records were set or tied worldwide on 8 May 1927. Highest significance: Marshalltown, US.

Key Facts for 8 May 1927

On 8 May 1927, 328 weather records were set or tied at long-record stations worldwide.
141 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 324 daily.
Marshalltown set a daily record precipitation of 51.6 mm (2.0 in) on 8 May 1927.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 431 records.

Record Map

328 stations

328 station records on 8 May 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 May 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Marshalltown	United States	Record daily precipitation	51.6 mm (2.0 in)	49 of 100 (Notable)
Geilo	Norway	Record snow depth	140.0 cm (55.1 in)	45 of 100 (Notable)
Dubuque River	United States	Record daily precipitation	93.2 mm (3.7 in)	45 of 100 (Notable)
Williston Sloulin Fld	United States	Record daily precipitation	32.3 mm (1.3 in)	45 of 100 (Notable)
Castle Rock	United States	Record daily precipitation	62.7 mm (2.5 in)	44 of 100 (Notable)
Winnipeg St Johns Coll	Canada	Record daily precipitation	35.1 mm (1.4 in)	43 of 100 (Notable)
Highmore	United States	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Seymour 1 WSW	United States	Record daily precipitation	66.0 mm (2.6 in)	40 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Belle Plaine	United States	Record daily precipitation	51.8 mm (2.0 in)	38 of 100 (Notable)
Brunswick	United States	Record daily precipitation	63.0 mm (2.5 in)	37 of 100 (Notable)
Lexington 3E	United States	Record daily precipitation	96.5 mm (3.8 in)	37 of 100 (Notable)
Steele 4N	United States	Record daily precipitation	54.1 mm (2.1 in)	35 of 100 (Notable)
Toledo 3N	United States	Record daily precipitation	83.8 mm (3.3 in)	34 of 100 (Routine)
Scottsburg	United States	Record daily precipitation	50.3 mm (2.0 in)	33 of 100 (Routine)
Napoleon	United States	Record daily precipitation	35.1 mm (1.4 in)	33 of 100 (Routine)
Waverly	United States	Record daily precipitation	46.7 mm (1.8 in)	32 of 100 (Routine)
Rapid City Forrest	Canada	Record daily snowfall	7.6 cm (3.0 in)	31 of 100 (Routine)
Hartington	United States	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Hay Springs	United States	Record daily precipitation	42.7 mm (1.7 in)	31 of 100 (Routine)
Madison Sewage Plt	United States	Record daily precipitation	103.9 mm (4.1 in)	30 of 100 (Routine)
Grundy Ctr	United States	Record daily precipitation	41.9 mm (1.6 in)	29 of 100 (Routine)
Armagh	United Kingdom	Record high maximum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Bloomington Indiana UNIV	United States	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Poplar 2 E	United States	Record low maximum temperature	2.2 C (36.0 F)	28 of 100 (Routine)
Rocky Ford 2 SE	United States	Record daily precipitation	31.8 mm (1.3 in)	27 of 100 (Routine)
Butlerville 2 WNW	United States	Record daily precipitation	56.1 mm (2.2 in)	27 of 100 (Routine)
Alma	United States	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record daily precipitation	30.0 mm (1.2 in)	25 of 100 (Routine)
Iowa Falls	United States	Record daily precipitation	36.8 mm (1.4 in)	23 of 100 (Routine)
Spearfish	United States	Record daily precipitation	40.6 mm (1.6 in)	23 of 100 (Routine)
Hvar	Croatia	Record high minimum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Oskaloosa	United States	Record daily precipitation	29.2 mm (1.1 in)	22 of 100 (Routine)
Willow City	United States	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Yates Ctr	United States	Record high minimum temperature	21.7 C (71.1 F)	21 of 100 (Routine)
Levan	United States	Record low maximum temperature	7.8 C (46.0 F)	21 of 100 (Routine)
Poplar 2 E	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Poretskoye	Russia	Record daily precipitation	13.4 mm (0.5 in)	20 of 100 (Routine)
Jamestown State Hosp	United States	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Pinal Rch	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Kazan	Russia	Record daily precipitation	8.5 mm (0.33 in)	20 of 100 (Routine)
Collbran	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Tuscola	United States	Record daily precipitation	36.1 mm (1.4 in)	20 of 100 (Routine)
Salem	United States	Record daily precipitation	35.6 mm (1.4 in)	20 of 100 (Routine)
Alta	United States	Record daily precipitation	26.4 mm (1.0 in)	20 of 100 (Routine)
Mason City	United States	Record daily precipitation	37.1 mm (1.5 in)	20 of 100 (Routine)
Brandon Cda	Canada	Record low maximum temperature	1.7 C (35.1 F)	19 of 100 (Routine)
Little Rock St Capitol	United States	Record high minimum temperature	21.7 C (71.1 F)	19 of 100 (Routine)
Medicine Lodge	United States	Record high minimum temperature	20.6 C (69.1 F)	19 of 100 (Routine)
Minto	United States	Record daily precipitation	32.3 mm (1.3 in)	19 of 100 (Routine)
Mc Minnville	United States	Record high minimum temperature	20.6 C (69.1 F)	19 of 100 (Routine)
Perth Regional Office	Australia	Record daily precipitation	37.6 mm (1.5 in)	18 of 100 (Routine)
Pocahontas 1	United States	Record high minimum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Brooksville Chin Hill	United States	Record high maximum temperature	37.2 C (99.0 F)	18 of 100 (Routine)
Dahlonega 4WSW	United States	Record high minimum temperature	18.3 C (64.9 F)	18 of 100 (Routine)
Morrisonville 4 SE	United States	Record daily precipitation	46.0 mm (1.8 in)	18 of 100 (Routine)
Alexandria	United States	Record high minimum temperature	23.3 C (73.9 F)	18 of 100 (Routine)
Glendive	United States	Record daily snowfall	2.5 cm (1.0 in)	18 of 100 (Routine)
Great Falls 16St	United States	Record low maximum temperature	4.4 C (39.9 F)	18 of 100 (Routine)
Miles City	United States	Record daily precipitation	22.9 mm (0.9 in)	18 of 100 (Routine)

Counts by Type and Timescale

328 records

Records set or tied on 8 May 1927 by type: Highest daily maximum 30, Lowest daily maximum 48, Highest daily minimum 111, Lowest daily minimum 14, Heaviest daily rainfall 120, Heaviest daily snowfall 3, Deepest snow cover 2.

Records on 8 May 1927 by type
Record type	Records
Highest daily maximum	30
Lowest daily maximum	48
Highest daily minimum	111
Lowest daily minimum	14
Heaviest daily rainfall	120
Heaviest daily snowfall	3
Deepest snow cover	2

Records on 8 May 1927 by timescale: all-time 0, monthly 4, daily 324.

How Much Records Were Beaten By

281 broken records

Margins by which the 281 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 900.0. Ties are not counted.

Top 20 by Significance

8 May 1927

Top 20 records on 8 May 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 May 1927	Marshalltown, US	daily rain	51.6 mm (2.0 in)	43.5 mm (1.7 in)	22 years	49 of 100 (Notable)
8 May 1927	Geilo, NO	daily snow depth	140.0 cm (55.1 in)	90.0 cm (35.4 in)	9 years	45 of 100 (Notable)
8 May 1927	Dubuque River, US	monthly rain	93.2 mm (3.7 in)	22.1 mm (0.9 in)	30 years	45 of 100 (Notable)
8 May 1927	Williston Sloulin Fld, US	daily rain	32.3 mm (1.3 in)	24.7 mm (1.0 in)	31 years	45 of 100 (Notable)
8 May 1927	Castle Rock, US	daily rain	62.7 mm (2.5 in)	34.8 mm (1.4 in)	28 years	44 of 100 (Notable)
8 May 1927	Winnipeg St Johns Coll, CA	daily rain	35.1 mm (1.4 in)	23.4 mm (0.9 in)	29 years	43 of 100 (Notable)
8 May 1927	Highmore, US	daily rain	48.3 mm (1.9 in)	40.9 mm (1.6 in)	5 years	43 of 100 (Notable)
8 May 1927	Seymour 1 WSW, US	daily rain	66.0 mm (2.6 in)	42.6 mm (1.7 in)	8 years	40 of 100 (Notable)
8 May 1927	Aberdeen, US	daily rain	45.7 mm (1.8 in)	40.6 mm (1.6 in)	20 years	39 of 100 (Notable)
8 May 1927	Belle Plaine, US	daily rain	51.8 mm (2.0 in)	35.3 mm (1.4 in)	22 years	38 of 100 (Notable)
8 May 1927	Brunswick, US	daily rain	63.0 mm (2.5 in)	33.8 mm (1.3 in)	33 years	37 of 100 (Notable)
8 May 1927	Lexington 3E, US	daily rain	96.5 mm (3.8 in)	52.6 mm (2.1 in)	5 years	37 of 100 (Notable)
8 May 1927	Steele 4N, US	monthly rain	54.1 mm (2.1 in)	13.7 mm (0.5 in)	25 years	35 of 100 (Notable)
8 May 1927	Toledo 3N, US	monthly rain	83.8 mm (3.3 in)	17.8 mm (0.7 in)	17 years	34 of 100 (Routine)
8 May 1927	Scottsburg, US	daily rain	50.3 mm (2.0 in)	35.1 mm (1.4 in)	2 years	33 of 100 (Routine)
8 May 1927	Napoleon, US	daily rain	35.1 mm (1.4 in)	21.4 mm (0.8 in)	16 years	33 of 100 (Routine)
8 May 1927	Waverly, US	daily rain	46.7 mm (1.8 in)	25.1 mm (1.0 in)	22 years	32 of 100 (Routine)
8 May 1927	Rapid City Forrest, CA	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	41 years	31 of 100 (Routine)
8 May 1927	Hartington, US	daily rain	35.1 mm (1.4 in)	26.7 mm (1.1 in)	27 years	31 of 100 (Routine)
8 May 1927	Hay Springs, US	daily rain	42.7 mm (1.7 in)	28.0 mm (1.1 in)	1 year	31 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

1795 to 1927

Records set or tied on this calendar date in each year from 1795 to 1927. 1927 had 328 records.

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

Records on 05-08 in each year
Year	Records
1795	2
1806	1
1825	1
1834	1
1845	2
1848	1
1849	1
1851	1
1852	1
1857	1
1858	2
1861	2
1862	1
1863	1
1865	1
1867	4
1868	1
1873	1
1874	3
1876	3
1879	1
1880	1
1882	4
1883	1
1885	1
1886	3
1888	2
1889	1
1890	2
1891	2
1892	2
1893	3
1894	1
1895	1
1896	3
1897	5
1898	2
1900	10
1901	5
1902	5
1903	11
1904	13
1905	17
1906	27
1907	7
1908	14
1909	19
1910	26
1911	34
1912	36
1913	34
1914	71
1915	35
1916	17
1917	108
1918	47
1919	132
1920	62
1921	35
1922	38
1923	510
1924	196
1925	272
1926	191
1927	328
1928	310
1929	194
1930	572
1931	403
1932	283
1933	553
1934	728
1935	78
1936	650
1937	107
1938	425
1939	235
1940	296
1941	271
1942	128
1943	465
1944	258
1945	646
1946	271
1947	1,152
1948	453
1949	361
1950	748
1951	274
1952	794
1953	580
1954	463
1955	411
1956	490
1957	546
1958	440
1959	252
1960	748
1961	556
1962	450
1963	1,105
1964	731
1965	704
1966	522
1967	573
1968	424
1969	542
1970	501
1971	413
1972	509
1973	527
1974	777
1975	555
1976	989
1977	682
1978	676
1979	1,113
1980	722
1981	613
1982	557
1983	638
1984	1,072
1985	591
1986	1,210
1987	1,226
1988	632
1989	1,543
1990	715
1991	710
1992	1,740
1993	892
1994	768
1995	1,340
1996	908
1997	973
1998	1,348
1999	985
2000	1,782
2001	851
2002	1,843
2003	1,420
2004	1,133
2005	685
2006	801
2007	718
2008	595
2009	779
2010	1,079
2011	602
2012	709
2013	686
2014	958
2015	647
2016	752
2017	467
2018	711
2019	723
2020	599
2021	419
2022	908
2023	579
2024	1,015
2025	380
2026	292

Download the Data

Data for records on 1927-05-08: 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	280
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	1