Ferndale Threshold Days by Year

4 fixed thresholds counted per year at Ferndale (ASN00009546): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ferndale Thresholds

Ferndale: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1917 with 55.
Ferndale: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1923 with 17.
Ferndale: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1917 with 3.
Ferndale: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1918 with 1.
4 fixed thresholds have at least one qualifying day at Ferndale.

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

43 years with a qualifying day

Days per year at Ferndale with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1917.

Days with 10 mm (0.39 in) or more of precipitation per year at Ferndale
Year	Days	Decade average
1907	36	31.7
1908	31	31.7
1909	28	31.7
1910	46	34.6
1911	22	34.6
1912	25	34.6
1913	37	34.6
1914	26	34.6
1915	39	34.6
1916	30	34.6
1917	55	34.6
1918	37	34.6
1919	29	34.6
1920	33	35.8
1921	37	35.8
1922	40	35.8
1923	40	35.8
1924	32	35.8
1925	25	35.8
1926	38	35.8
1927	38	35.8
1928	39	35.8
1930	47	35.8
1931	34	35.8
1932	30	35.8
1933	39	35.8
1934	36	35.8
1937	26	35.8
1938	27	35.8
1939	47	35.8
1944	27	32.4
1945	41	32.4
1946	37	32.4
1948	26	32.4
1949	31	32.4
1950	29	27.5
1951	26	27.5
1952	26	27.5
1953	29	27.5
1961	39	34.5
1962	32	34.5
1963	45	34.5
1969	22	34.5

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

First to last qualifying date each year at Ferndale
Year	First date	Last date
1907	1907-02-08	1907-10-24
1908	1908-02-26	1908-11-10
1909	1909-03-03	1909-10-26
1910	1910-01-04	1910-11-27
1911	1911-04-26	1911-10-29
1912	1912-05-05	1912-10-20
1913	1913-02-01	1913-12-20
1914	1914-02-18	1914-12-13
1915	1915-02-26	1915-11-13
1916	1916-02-14	1916-11-23
1917	1917-02-10	1917-12-20
1918	1918-01-19	1918-10-26
1919	1919-04-18	1919-11-24
1920	1920-03-28	1920-10-10
1921	1921-02-19	1921-12-08
1922	1922-02-23	1922-12-05
1923	1923-01-19	1923-09-24
1924	1924-05-03	1924-11-01
1925	1925-03-08	1925-12-21
1926	1926-02-14	1926-11-19
1927	1927-01-10	1927-10-23
1928	1928-01-04	1928-10-20
1930	1930-03-25	1930-11-01
1931	1931-03-11	1931-09-28
1932	1932-03-22	1932-10-29
1933	1933-01-16	1933-10-29
1934	1934-03-04	1934-10-11
1937	1937-02-10	1937-12-05
1938	1938-03-15	1938-11-03
1939	1939-01-19	1939-11-24
1944	1944-04-29	1944-12-07
1945	1945-03-25	1945-12-25
1946	1946-03-20	1946-12-12
1948	1948-03-30	1948-12-24
1949	1949-03-14	1949-11-07
1950	1950-01-05	1950-11-08
1951	1951-02-21	1951-11-02
1952	1952-03-28	1952-10-14
1953	1953-02-02	1953-11-16
1961	1961-01-26	1961-10-18
1962	1962-02-16	1962-12-06
1963	1963-01-10	1963-10-17
1969	1969-03-13	1969-11-03

Every Fixed Threshold

Fixed thresholds at Ferndale
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	43	55	1917	22
25 mm (0.98 in): Days with 25 mm or more rain	43	17	1923	6
50 mm (1.97 in): Days with 50 mm or more rain	22	3	1917	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1918	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Ferndale 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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

Ferndale Threshold Days by Year

Key Facts for Ferndale Thresholds

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

Every Fixed Threshold

Download the Data

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