Llanrheidol Station Threshold Days by Year (ASN00037027)
4 fixed thresholds counted per year at Llanrheidol Station (ASN00037027): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Llanrheidol Station Thresholds
- Llanrheidol Station: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1950 with 32.
- Llanrheidol Station: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1941 with 11.
- Llanrheidol Station: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1941 with 5.
- Llanrheidol Station: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1930 with 1.
- 4 fixed thresholds have at least one qualifying day at Llanrheidol Station.
Days with 10 mm (0.39 in) or more of precipitation
60 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1900 | 3 | 7.9 |
| 1902 | 6 | 7.9 |
| 1903 | 12 | 7.9 |
| 1904 | 10 | 7.9 |
| 1905 | 2 | 7.9 |
| 1907 | 11 | 7.9 |
| 1908 | 12 | 7.9 |
| 1909 | 7 | 7.9 |
| 1910 | 15 | 12 |
| 1911 | 13 | 12 |
| 1912 | 8 | 12 |
| 1913 | 7 | 12 |
| 1914 | 10 | 12 |
| 1915 | 11 | 12 |
| 1916 | 16 | 12 |
| 1917 | 20 | 12 |
| 1918 | 15 | 12 |
| 1919 | 5 | 12 |
| 1920 | 23 | 10.2 |
| 1921 | 12 | 10.2 |
| 1922 | 6 | 10.2 |
| 1923 | 5 | 10.2 |
| 1924 | 14 | 10.2 |
| 1925 | 11 | 10.2 |
| 1926 | 5 | 10.2 |
| 1927 | 6 | 10.2 |
| 1929 | 10 | 10.2 |
| 1930 | 14 | 10.7 |
| 1931 | 8 | 10.7 |
| 1932 | 11 | 10.7 |
| 1933 | 9 | 10.7 |
| 1934 | 11 | 10.7 |
| 1935 | 5 | 10.7 |
| 1936 | 14 | 10.7 |
| 1937 | 7 | 10.7 |
| 1938 | 9 | 10.7 |
| 1939 | 19 | 10.7 |
| 1940 | 12 | 11.2 |
| 1941 | 26 | 11.2 |
| 1942 | 6 | 11.2 |
| 1943 | 10 | 11.2 |
| 1944 | 10 | 11.2 |
| 1945 | 6 | 11.2 |
| 1946 | 8 | 11.2 |
| 1947 | 12 | 11.2 |
| 1949 | 11 | 11.2 |
| 1950 | 32 | 13.9 |
| 1951 | 6 | 13.9 |
| 1953 | 7 | 13.9 |
| 1954 | 11 | 13.9 |
| 1955 | 15 | 13.9 |
| 1956 | 18 | 13.9 |
| 1957 | 9 | 13.9 |
| 1959 | 13 | 13.9 |
| 1960 | 4 | 6 |
| 1961 | 5 | 6 |
| 1962 | 9 | 6 |
| 1963 | 5 | 6 |
| 1964 | 10 | 6 |
| 1965 | 3 | 6 |
| Year | First date | Last date |
|---|---|---|
| 1900 | 1900-01-20 | 1900-07-02 |
| 1902 | 1902-01-09 | 1902-12-06 |
| 1903 | 1903-01-26 | 1903-12-30 |
| 1904 | 1904-01-01 | 1904-12-17 |
| 1905 | 1905-04-10 | 1905-12-31 |
| 1907 | 1907-01-08 | 1907-12-30 |
| 1908 | 1908-01-31 | 1908-12-11 |
| 1909 | 1909-01-22 | 1909-12-31 |
| 1910 | 1910-01-04 | 1910-12-23 |
| 1911 | 1911-01-07 | 1911-12-16 |
| 1912 | 1912-01-04 | 1912-12-26 |
| 1913 | 1913-01-04 | 1913-12-26 |
| 1914 | 1914-01-14 | 1914-12-24 |
| 1915 | 1915-01-20 | 1915-12-28 |
| 1916 | 1916-01-24 | 1916-12-30 |
| 1917 | 1917-01-01 | 1917-12-15 |
| 1918 | 1918-01-06 | 1918-12-02 |
| 1919 | 1919-01-14 | 1919-12-06 |
| 1920 | 1920-01-13 | 1920-12-07 |
| 1921 | 1921-01-02 | 1921-12-25 |
| 1922 | 1922-01-07 | 1922-12-20 |
| 1923 | 1923-03-08 | 1923-12-26 |
| 1924 | 1924-01-06 | 1924-12-13 |
| 1925 | 1925-01-04 | 1925-12-19 |
| 1926 | 1926-01-29 | 1926-12-19 |
| 1927 | 1927-02-15 | 1927-12-21 |
| 1929 | 1929-01-04 | 1929-11-17 |
| 1930 | 1930-01-16 | 1930-12-26 |
| 1931 | 1931-03-15 | 1931-11-29 |
| 1932 | 1932-01-14 | 1932-11-29 |
| 1933 | 1933-01-25 | 1933-12-28 |
| 1934 | 1934-01-27 | 1934-10-22 |
| 1935 | 1935-06-28 | 1935-11-06 |
| 1936 | 1936-01-06 | 1936-07-30 |
| 1937 | 1937-01-11 | 1937-11-30 |
| 1938 | 1938-02-03 | 1938-07-23 |
| 1939 | 1939-02-05 | 1939-12-30 |
| 1940 | 1940-01-04 | 1940-11-12 |
| 1941 | 1941-01-09 | 1941-12-30 |
| 1942 | 1942-01-14 | 1942-12-08 |
| 1943 | 1943-01-04 | 1943-12-20 |
| 1944 | 1944-02-03 | 1944-12-19 |
| 1945 | 1945-01-17 | 1945-10-25 |
| 1946 | 1946-01-11 | 1946-12-29 |
| 1947 | 1947-02-01 | 1947-12-25 |
| 1949 | 1949-01-29 | 1949-12-21 |
| 1950 | 1950-01-09 | 1950-12-26 |
| 1951 | 1951-01-05 | 1951-06-14 |
| 1953 | 1953-01-15 | 1953-02-10 |
| 1954 | 1954-01-02 | 1954-12-08 |
| 1955 | 1955-01-25 | 1955-10-18 |
| 1956 | 1956-02-06 | 1956-12-22 |
| 1957 | 1957-01-09 | 1957-12-29 |
| 1959 | 1959-01-25 | 1959-08-27 |
| 1960 | 1960-02-08 | 1960-09-23 |
| 1961 | 1961-01-02 | 1961-12-15 |
| 1962 | 1962-01-07 | 1962-12-29 |
| 1963 | 1963-01-29 | 1963-11-15 |
| 1964 | 1964-01-07 | 1964-12-25 |
| 1965 | 1965-03-08 | 1965-12-20 |
Every Fixed Threshold
| 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 | 32 | 1950 | 3 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 57 | 11 | 1941 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 35 | 5 | 1941 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 1 | 1930 | 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
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 . Last revised (2025-12-31).