Wiarton Threshold Days by Year (CA006119495)

7 fixed thresholds counted per year at Wiarton (CA006119495): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wiarton Thresholds

Wiarton: days with 10 cm (3.9 in) or more of snowfall in 48 years, most in 1924 with 25.
Wiarton: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1928 with 47.
Wiarton: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1891 with 13.
Wiarton: days with 25 cm (9.8 in) or more of snowfall in 31 years, most in 1929 with 4.
7 fixed thresholds have at least one qualifying day at Wiarton.

Days with 10 mm (0.39 in) or more of precipitation

46 years with a qualifying day

Days per year at Wiarton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1928.

Days with 10 mm (0.39 in) or more of precipitation per year at Wiarton
Year	Days	Decade average
1884	34	34
1886	39	34
1887	31	34
1888	34	34
1889	32	34
1890	37	37.3
1891	40	37.3
1892	39	37.3
1893	36	37.3
1894	34	37.3
1895	37	37.3
1896	36	37.3
1897	38	37.3
1898	37	37.3
1899	39	37.3
1900	25	29.1
1901	36	29.1
1902	37	29.1
1903	34	29.1
1904	19	29.1
1905	36	29.1
1906	29	29.1
1907	17	29.1
1908	25	29.1
1909	33	29.1
1910	26	33.2
1911	34	33.2
1913	32	33.2
1914	38	33.2
1915	26	33.2
1916	34	33.2
1917	44	33.2
1918	34	33.2
1919	31	33.2
1920	36	36
1921	37	36
1922	31	36
1923	32	36
1924	46	36
1927	26	36
1928	47	36
1929	33	36
1930	33	27.8
1931	22	27.8
1935	29	27.8
1936	27	27.8

For each year, a bar from the first to the last day at Wiarton meeting 10 mm (0.39 in).

First to last qualifying date each year at Wiarton
Year	First date	Last date
1884	1884-01-02	1884-12-31
1886	1886-01-04	1886-12-31
1887	1887-01-01	1887-12-22
1888	1888-01-01	1888-12-25
1889	1889-01-09	1889-12-23
1890	1890-01-01	1890-12-28
1891	1891-01-01	1891-12-14
1892	1892-01-01	1892-12-25
1893	1893-01-02	1893-12-24
1894	1894-01-24	1894-12-31
1895	1895-01-01	1895-12-31
1896	1896-01-02	1896-12-30
1897	1897-01-04	1897-12-27
1898	1898-01-20	1898-12-23
1899	1899-01-04	1899-12-30
1900	1900-01-01	1900-12-13
1901	1901-01-02	1901-12-20
1902	1902-01-11	1902-12-29
1903	1903-01-07	1903-12-27
1904	1904-02-03	1904-12-27
1905	1905-01-15	1905-12-23
1906	1906-01-16	1906-11-26
1907	1907-01-19	1907-11-26
1908	1908-01-04	1908-12-21
1909	1909-01-04	1909-12-16
1910	1910-01-08	1910-12-23
1911	1911-01-08	1911-12-12
1913	1913-01-04	1913-12-24
1914	1914-01-13	1914-12-29
1915	1915-01-02	1915-12-26
1916	1916-01-02	1916-11-29
1917	1917-01-08	1917-12-28
1918	1918-01-07	1918-12-29
1919	1919-01-03	1919-12-27
1920	1920-01-02	1920-12-28
1921	1921-01-15	1921-12-18
1922	1922-01-06	1922-12-20
1923	1923-01-03	1923-12-29
1924	1924-01-05	1924-12-29
1927	1927-01-14	1927-12-31
1928	1928-01-01	1928-12-19
1929	1929-01-01	1929-12-01
1930	1930-01-10	1930-12-30
1931	1931-01-20	1931-12-09
1935	1935-01-02	1935-12-20
1936	1936-01-18	1936-11-28

Every Fixed Threshold

Fixed thresholds at Wiarton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	46	47	1928	27
25 mm (0.98 in): Days with 25 mm or more rain	45	13	1891	5
50 mm (1.97 in): Days with 50 mm or more rain	16	3	1889	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1916	1
10 cm (3.9 in): Days with 10 cm or more snowfall	48	25	1924	8
25 cm (9.8 in): Days with 25 cm or more snowfall	31	4	1929	3
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1889	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

Download the Data

Data for Wiarton threshold days by year: CSV or JSON. Field meanings are on the data page.

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)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Wiarton Threshold Days by Year (CA006119495)

Key Facts for Wiarton Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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