Beiarn Threshold Days by Year (NOE00157024)

4 fixed thresholds counted per year at Beiarn (NOE00157024): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Beiarn Thresholds

Beiarn: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1975 with 71.
Beiarn: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1932 with 17.
Beiarn: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1932 with 8.
Beiarn: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1907 with 1.
4 fixed thresholds have at least one qualifying day at Beiarn.

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

76 years with a qualifying day

Days per year at Beiarn with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 71 in 1975.

Days with 10 mm (0.39 in) or more of precipitation per year at Beiarn
Year	Days	Decade average
1903	33	37.4
1904	37	37.4
1905	44	37.4
1906	42	37.4
1907	28	37.4
1908	37	37.4
1909	41	37.4
1910	30	34.2
1911	37	34.2
1912	20	34.2
1913	42	34.2
1914	51	34.2
1915	21	34.2
1916	32	34.2
1917	37	34.2
1918	37	34.2
1919	35	34.2
1920	42	38.1
1921	45	38.1
1922	34	38.1
1923	30	38.1
1924	35	38.1
1925	41	38.1
1926	43	38.1
1927	32	38.1
1928	36	38.1
1929	43	38.1
1930	48	41.4
1931	33	41.4
1932	57	41.4
1933	47	41.4
1934	51	41.4
1935	20	41.4
1936	39	41.4
1937	37	41.4
1938	42	41.4
1939	40	41.4
1940	35	42.8
1941	41	42.8
1942	49	42.8
1943	46	42.8
1944	33	42.8
1945	40	42.8
1946	43	42.8
1947	32	42.8
1948	56	42.8
1949	53	42.8
1950	26	37.4
1951	33	37.4
1952	24	37.4
1953	63	37.4
1954	35	37.4
1955	39	37.4
1956	30	37.4
1957	37	37.4
1958	51	37.4
1959	36	37.4
1960	14	35.8
1961	48	35.8
1962	41	35.8
1963	37	35.8
1964	59	35.8
1965	28	35.8
1966	38	35.8
1967	31	35.8
1968	29	35.8
1969	33	35.8
1970	34	42.1
1971	48	42.1
1972	47	42.1
1973	61	42.1
1974	27	42.1
1975	71	42.1
1976	30	42.1
1977	30	42.1
1978	31	42.1

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

First to last qualifying date each year at Beiarn
Year	First date	Last date
1903	1903-01-12	1903-12-28
1904	1904-01-21	1904-12-27
1905	1905-01-01	1905-12-15
1906	1906-01-23	1906-12-21
1907	1907-01-08	1907-12-25
1908	1908-01-02	1908-12-23
1909	1909-01-01	1909-12-16
1910	1910-01-01	1910-12-08
1911	1911-01-18	1911-12-31
1912	1912-01-01	1912-12-22
1913	1913-01-01	1913-12-31
1914	1914-01-01	1914-12-04
1915	1915-03-14	1915-12-29
1916	1916-01-22	1916-12-06
1917	1917-01-16	1917-12-31
1918	1918-01-01	1918-11-23
1919	1919-01-23	1919-11-09
1920	1920-01-03	1920-12-18
1921	1921-01-07	1921-12-13
1922	1922-02-10	1922-12-27
1923	1923-01-18	1923-12-21
1924	1924-01-14	1924-12-22
1925	1925-01-06	1925-11-25
1926	1926-01-11	1926-12-29
1927	1927-01-04	1927-12-30
1928	1928-01-03	1928-12-31
1929	1929-01-01	1929-12-27
1930	1930-01-16	1930-12-19
1931	1931-03-17	1931-12-25
1932	1932-01-14	1932-12-28
1933	1933-01-26	1933-12-23
1934	1934-01-08	1934-11-29
1935	1935-01-11	1935-12-12
1936	1936-02-06	1936-12-31
1937	1937-01-06	1937-12-30
1938	1938-01-04	1938-11-27
1939	1939-01-17	1939-12-28
1940	1940-01-01	1940-12-26
1941	1941-01-03	1941-12-20
1942	1942-01-01	1942-12-29
1943	1943-02-12	1943-12-29
1944	1944-01-04	1944-12-29
1945	1945-01-01	1945-12-14
1946	1946-01-02	1946-12-23
1947	1947-01-17	1947-12-21
1948	1948-01-02	1948-12-22
1949	1949-01-06	1949-12-09
1950	1950-01-12	1950-12-08
1951	1951-01-15	1951-12-23
1952	1952-01-06	1952-12-10
1953	1953-01-06	1953-12-31
1954	1954-01-01	1954-12-21
1955	1955-01-09	1955-12-07
1956	1956-01-03	1956-12-18
1957	1957-01-08	1957-12-18
1958	1958-01-16	1958-12-12
1959	1959-01-25	1959-12-11
1960	1960-01-01	1960-12-17
1961	1961-01-13	1961-12-26
1962	1962-01-03	1962-12-24
1963	1963-01-21	1963-12-30
1964	1964-01-02	1964-12-27
1965	1965-01-02	1965-12-31
1966	1966-03-03	1966-12-21
1967	1967-01-15	1967-12-14
1968	1968-01-20	1968-12-31
1969	1969-03-05	1969-12-31
1970	1970-01-01	1970-12-28
1971	1971-01-02	1971-12-31
1972	1972-02-18	1972-12-31
1973	1973-01-02	1973-12-30
1974	1974-01-02	1974-12-23
1975	1975-01-01	1975-12-31
1976	1976-01-03	1976-12-23
1977	1977-01-04	1977-12-19
1978	1978-01-06	1978-12-21

Every Fixed Threshold

Fixed thresholds at Beiarn
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	76	71	1975	31
25 mm (0.98 in): Days with 25 mm or more rain	76	17	1932	7
50 mm (1.97 in): Days with 50 mm or more rain	47	8	1932	2
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1907	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Beiarn 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).

Beiarn Threshold Days by Year (NOE00157024)

Key Facts for Beiarn Thresholds

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

Every Fixed Threshold

Download the Data

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