Lochnagar Threshold Days by Year

4 fixed thresholds counted per year at Lochnagar (ASN00036029): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lochnagar Thresholds

Lochnagar: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1917 with 29.
Lochnagar: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1906 with 13.
Lochnagar: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1906 with 6.
Lochnagar: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 1911 with 2.
4 fixed thresholds have at least one qualifying day at Lochnagar.

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

60 years with a qualifying day

Days per year at Lochnagar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1917.

Days with 10 mm (0.39 in) or more of precipitation per year at Lochnagar
Year	Days	Decade average
1900	9	13.6
1901	7	13.6
1902	7	13.6
1903	15	13.6
1904	19	13.6
1905	10	13.6
1906	26	13.6
1907	18	13.6
1908	15	13.6
1909	10	13.6
1910	26	17.8
1911	12	17.8
1912	14	17.8
1913	19	17.8
1914	13	17.8
1915	7	17.8
1916	25	17.8
1917	29	17.8
1918	23	17.8
1919	10	17.8
1920	16	13.7
1921	22	13.7
1922	10	13.7
1923	8	13.7
1924	23	13.7
1925	16	13.7
1926	5	13.7
1927	15	13.7
1928	15	13.7
1929	7	13.7
1930	15	12.7
1931	12	12.7
1932	9	12.7
1933	21	12.7
1934	9	12.7
1935	7	12.7
1936	15	12.7
1937	9	12.7
1938	15	12.7
1939	15	12.7
1940	10	13.6
1941	23	13.6
1942	12	13.6
1943	6	13.6
1944	10	13.6
1945	15	13.6
1947	18	13.6
1949	15	13.6
1951	4	12.6
1952	12	12.6
1953	8	12.6
1954	29	12.6
1957	12	12.6
1958	15	12.6
1959	8	12.6
1962	14	11.4
1963	16	11.4
1967	7	11.4
1968	11	11.4
1969	9	11.4

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

First to last qualifying date each year at Lochnagar
Year	First date	Last date
1900	1900-01-11	1900-08-15
1901	1901-03-22	1901-11-08
1902	1902-01-19	1902-12-18
1903	1903-01-13	1903-12-12
1904	1904-01-02	1904-12-19
1905	1905-01-13	1905-12-14
1906	1906-01-28	1906-12-23
1907	1907-01-26	1907-12-30
1908	1908-02-03	1908-12-29
1909	1909-01-16	1909-12-29
1910	1910-01-01	1910-12-11
1911	1911-01-09	1911-12-18
1912	1912-01-19	1912-12-24
1913	1913-01-07	1913-12-28
1914	1914-01-14	1914-10-14
1915	1915-02-13	1915-12-27
1916	1916-01-12	1916-12-31
1917	1917-01-01	1917-12-14
1918	1918-01-02	1918-12-13
1919	1919-01-30	1919-12-05
1920	1920-01-19	1920-11-16
1921	1921-01-02	1921-12-31
1922	1922-01-31	1922-12-21
1923	1923-01-08	1923-09-04
1924	1924-01-07	1924-12-20
1925	1925-01-02	1925-12-14
1926	1926-02-09	1926-12-20
1927	1927-01-11	1927-12-23
1928	1928-01-17	1928-12-24
1929	1929-03-26	1929-12-03
1930	1930-01-27	1930-11-08
1931	1931-01-15	1931-12-04
1932	1932-01-22	1932-12-22
1933	1933-01-26	1933-12-06
1934	1934-01-31	1934-11-09
1935	1935-03-25	1935-12-07
1936	1936-01-06	1936-12-04
1937	1937-01-30	1937-11-21
1938	1938-01-10	1938-11-05
1939	1939-01-22	1939-12-22
1940	1940-02-02	1940-12-27
1941	1941-01-04	1941-12-30
1942	1942-04-24	1942-12-29
1943	1943-02-04	1943-09-06
1944	1944-02-09	1944-12-28
1945	1945-01-06	1945-12-19
1947	1947-01-11	1947-12-22
1949	1949-01-09	1949-11-27
1951	1951-06-13	1951-12-28
1952	1952-02-23	1952-12-26
1953	1953-01-03	1953-08-28
1954	1954-01-02	1954-12-21
1957	1957-01-10	1957-12-31
1958	1958-01-27	1958-12-27
1959	1959-01-27	1959-12-18
1962	1962-01-02	1962-12-28
1963	1963-01-11	1963-10-29
1967	1967-03-03	1967-12-08
1968	1968-01-13	1968-12-27
1969	1969-01-17	1969-12-24

Every Fixed Threshold

Fixed thresholds at Lochnagar
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	60	29	1917	9
25 mm (0.98 in): Days with 25 mm or more rain	60	13	1906	5
50 mm (1.97 in): Days with 50 mm or more rain	49	6	1906	1
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1911	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for Lochnagar 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).

Lochnagar Threshold Days by Year

Key Facts for Lochnagar Thresholds

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

Every Fixed Threshold

Download the Data

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