Weather Records on 15 October 1930

282 weather records were set or tied worldwide on 15 October 1930. Highest significance: Blue Hill Coop, US.

Key Facts for 15 October 1930

On 15 October 1930, 282 weather records were set or tied at long-record stations worldwide.
72 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 5 monthly and 275 daily.
Blue Hill Coop set a daily record precipitation of 79.2 mm (3.1 in) on 15 October 1930.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 461 records.

Record Map

282 stations

282 station records on 15 October 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Blue Hill Coop	United States	Record daily precipitation	79.2 mm (3.1 in)	53 of 100 (Notable)
Prince Albert	Canada	Record daily snowfall	42.2 cm (16.6 in)	51 of 100 (Notable)
Saskatoon Diefenbaker Int'l A	Canada	Record daily precipitation	35.6 mm (1.4 in)	49 of 100 (Notable)
Boston City WSO	United States	Record daily precipitation	82.0 mm (3.2 in)	47 of 100 (Notable)
Saskatoon Diefenbaker Int'l A	Canada	Record daily snowfall	35.6 cm (14.0 in)	44 of 100 (Notable)
Prince Albert	Canada	Record daily precipitation	42.2 mm (1.7 in)	41 of 100 (Notable)
Battleford	Canada	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Barkerville	Canada	Record low minimum temperature	-17.8 C (0.0 F)	32 of 100 (Routine)
Banff	Canada	Record low maximum temperature	-7.8 C (18.0 F)	28 of 100 (Routine)
Fall River	United States	Record daily precipitation	59.7 mm (2.4 in)	28 of 100 (Routine)
Glacier	Canada	Record low minimum temperature	-11.1 C (12.0 F)	27 of 100 (Routine)
Sac City	United States	Record daily precipitation	28.7 mm (1.1 in)	27 of 100 (Routine)
Manhattan	United States	Record daily precipitation	63.5 mm (2.5 in)	27 of 100 (Routine)
Ovando	United States	Record daily snowfall	10.2 cm (4.0 in)	27 of 100 (Routine)
Darlington	United States	Record daily precipitation	53.1 mm (2.1 in)	27 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	42.2 mm (1.7 in)	26 of 100 (Routine)
Bella Coola	Canada	Record low minimum temperature	-9.4 C (15.1 F)	25 of 100 (Routine)
Vernon Coldstream Ranch	Canada	Record low maximum temperature	2.2 C (36.0 F)	25 of 100 (Routine)
Pincher Creek Town	Canada	Record low maximum temperature	-5.0 C (23.0 F)	25 of 100 (Routine)
Washta	United States	Record daily precipitation	30.2 mm (1.2 in)	25 of 100 (Routine)
Olympia Priest Pt Park	United States	Record low maximum temperature	8.3 C (46.9 F)	25 of 100 (Routine)
Princeton	Canada	Record low maximum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Calgary Int'l A	Canada	Record low maximum temperature	-7.2 C (19.0 F)	24 of 100 (Routine)
Calgary Int'l A	Canada	Record daily snowfall	6.4 cm (2.5 in)	24 of 100 (Routine)
Fredericton Unb	Canada	Record high maximum temperature	26.7 C (80.1 F)	24 of 100 (Routine)
Atchison	United States	Record daily precipitation	39.4 mm (1.6 in)	24 of 100 (Routine)
Worcester	United States	Record daily precipitation	26.2 mm (1.0 in)	24 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	12.2 C (54.0 F)	23 of 100 (Routine)
Chestnut Hill	United States	Record daily precipitation	30.0 mm (1.2 in)	23 of 100 (Routine)
Battleford	Canada	Record low maximum temperature	-3.3 C (26.1 F)	22 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	16.8 C (62.2 F)	22 of 100 (Routine)
Hightstown 2 W	United States	Record daily precipitation	27.7 mm (1.1 in)	22 of 100 (Routine)
Setauket Strong	United States	Record daily precipitation	31.5 mm (1.2 in)	22 of 100 (Routine)
Effingham	United States	Record daily precipitation	51.3 mm (2.0 in)	22 of 100 (Routine)
Big Creek	Canada	Record low maximum temperature	-3.3 C (26.1 F)	21 of 100 (Routine)
Barkerville	Canada	Record low maximum temperature	-6.7 C (19.9 F)	21 of 100 (Routine)
Banff	Canada	Record low minimum temperature	-11.7 C (10.9 F)	21 of 100 (Routine)
Weeping Water	United States	Record daily precipitation	29.7 mm (1.2 in)	21 of 100 (Routine)
Pleasantville 1 N	United States	Record daily precipitation	38.1 mm (1.5 in)	21 of 100 (Routine)
Society Hill 6 S	United States	Record daily precipitation	48.0 mm (1.9 in)	21 of 100 (Routine)
Quatsino	Canada	Record daily snowfall	1.3 cm (0.5 in)	20 of 100 (Routine)
Hallock	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Calgary Int'l A	Canada	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Wamego 4 W	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Maristova	Norway	Record daily precipitation	12.3 mm (0.5 in)	20 of 100 (Routine)
Edmonton	Canada	Record low maximum temperature	-7.8 C (18.0 F)	20 of 100 (Routine)
Havre Wb City	United States	Record low maximum temperature	-3.3 C (26.1 F)	20 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record high minimum temperature	21.0 C (69.8 F)	19 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	17.0 C (62.6 F)	19 of 100 (Routine)
Lakeside	United States	Record low maximum temperature	8.3 C (46.9 F)	19 of 100 (Routine)
Rotherwood	Australia	Record daily precipitation	25.4 mm (1.0 in)	18 of 100 (Routine)
Medicine Hat A	Canada	Record low maximum temperature	-3.3 C (26.1 F)	18 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high maximum temperature	18.3 C (64.9 F)	18 of 100 (Routine)
Haverhill	United States	Record daily precipitation	28.4 mm (1.1 in)	18 of 100 (Routine)
Lowell	United States	Record daily precipitation	35.3 mm (1.4 in)	18 of 100 (Routine)
Chinook	United States	Record low maximum temperature	-2.8 C (27.0 F)	18 of 100 (Routine)
Kalispell Glacier AP	United States	Record low maximum temperature	-1.7 C (28.9 F)	18 of 100 (Routine)
Helena Wb City	United States	Record low maximum temperature	-2.8 C (27.0 F)	18 of 100 (Routine)
Kamloops	Canada	Record low maximum temperature	1.7 C (35.1 F)	17 of 100 (Routine)

Counts by Type and Timescale

282 records

Records set or tied on 15 October 1930 by type: Highest daily maximum 32, Lowest daily maximum 48, Highest daily minimum 40, Lowest daily minimum 46, Heaviest daily rainfall 103, Heaviest daily snowfall 13.

Records on 15 October 1930 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	48
Highest daily minimum	40
Lowest daily minimum	46
Heaviest daily rainfall	103
Heaviest daily snowfall	13
Deepest snow cover	0

Records on 15 October 1930 by timescale: all-time 2, monthly 5, daily 275.

How Much Records Were Beaten By

240 broken records

Margins by which the 240 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

15 October 1930

Top 20 records on 15 October 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1930	Blue Hill Coop, US	daily rain	79.2 mm (3.1 in)	62.7 mm (2.5 in)	31 years	53 of 100 (Notable)
15 October 1930	Prince Albert, CA	all-time snowfall	42.2 cm (16.6 in)	12.7 cm (5.0 in)	1 year	51 of 100 (Notable)
15 October 1930	Saskatoon Diefenbaker Int'l A, CA	daily rain	35.6 mm (1.4 in)	27.5 mm (1.1 in)	21 years	49 of 100 (Notable)
15 October 1930	Boston City WSO, US	daily rain	82.0 mm (3.2 in)	64.2 mm (2.5 in)	15 years	47 of 100 (Notable)
15 October 1930	Saskatoon Diefenbaker Int'l A, CA	all-time snowfall	35.6 cm (14.0 in)	5.1 cm (2.0 in)	37 years	44 of 100 (Notable)
15 October 1930	Prince Albert, CA	monthly rain	42.2 mm (1.7 in)	8.7 mm (0.34 in)	31 years	41 of 100 (Notable)
15 October 1930	Battleford, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	38 years	38 of 100 (Notable)
15 October 1930	Barkerville, CA	daily low min	-17.8 C (0.0 F)	7.2 C (13.0 F)	37 years	32 of 100 (Routine)
15 October 1930	Banff, CA	daily low max	-7.8 C (18.0 F)	10.0 C (18.0 F)	16 years	28 of 100 (Routine)
15 October 1930	Fall River, US	daily rain	59.7 mm (2.4 in)	32.0 mm (1.3 in)	16 years	28 of 100 (Routine)
15 October 1930	Glacier, CA	daily low min	-11.1 C (12.0 F)	6.7 C (12.1 F)	11 years	27 of 100 (Routine)
15 October 1930	Sac City, US	daily rain	28.7 mm (1.1 in)	24.9 mm (1.0 in)	13 years	27 of 100 (Routine)
15 October 1930	Manhattan, US	monthly rain	63.5 mm (2.5 in)	4.3 mm (0.17 in)	33 years	27 of 100 (Routine)
15 October 1930	Ovando, US	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	24 years	27 of 100 (Routine)
15 October 1930	Darlington, US	daily rain	53.1 mm (2.1 in)	39.1 mm (1.5 in)	8 years	27 of 100 (Routine)
15 October 1930	Cape May 2 NW, US	daily rain	42.2 mm (1.7 in)	21.9 mm (0.9 in)	15 years	26 of 100 (Routine)
15 October 1930	Bella Coola, CA	monthly low min	-9.4 C (15.1 F)	3.3 C (5.9 F)	10 years	25 of 100 (Routine)
15 October 1930	Vernon Coldstream Ranch, CA	daily low max	2.2 C (36.0 F)	7.2 C (13.0 F)	16 years	25 of 100 (Routine)
15 October 1930	Pincher Creek Town, CA	daily low max	-5.0 C (23.0 F)	8.9 C (16.0 F)	28 years	25 of 100 (Routine)
15 October 1930	Washta, US	daily rain	30.2 mm (1.2 in)	15.2 mm (0.6 in)	32 years	25 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

1794 to 1930

Records set or tied on this calendar date in each year from 1794 to 1930. 1930 had 282 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1930-10-15: 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 20	219
20 to 40	15
40 to 60	2
60 to 80	3
80 to 100	0
100 to 120	0
120 to 140	1