Landsdown Threshold Days by Year (IN023230900)
5 fixed thresholds counted per year at Landsdown (IN023230900): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Landsdown Thresholds
- Landsdown: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1917 with 86.
- Landsdown: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1933 with 46.
- Landsdown: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1962 with 23.
- Landsdown: days with 100 mm (3.94 in) or more of precipitation in 55 years, most in 1910 with 7.
- 5 fixed thresholds have at least one qualifying day at Landsdown.
Days with 10 mm (0.39 in) or more of precipitation
65 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1901 | 51 | 48.9 |
| 1902 | 44 | 48.9 |
| 1903 | 40 | 48.9 |
| 1904 | 49 | 48.9 |
| 1905 | 36 | 48.9 |
| 1906 | 58 | 48.9 |
| 1907 | 44 | 48.9 |
| 1908 | 49 | 48.9 |
| 1909 | 69 | 48.9 |
| 1910 | 60 | 53.9 |
| 1911 | 44 | 53.9 |
| 1912 | 51 | 53.9 |
| 1913 | 32 | 53.9 |
| 1914 | 53 | 53.9 |
| 1915 | 51 | 53.9 |
| 1916 | 56 | 53.9 |
| 1917 | 86 | 53.9 |
| 1918 | 45 | 53.9 |
| 1919 | 61 | 53.9 |
| 1920 | 43 | 50.4 |
| 1921 | 58 | 50.4 |
| 1922 | 56 | 50.4 |
| 1923 | 56 | 50.4 |
| 1924 | 63 | 50.4 |
| 1925 | 52 | 50.4 |
| 1926 | 45 | 50.4 |
| 1927 | 53 | 50.4 |
| 1928 | 47 | 50.4 |
| 1929 | 31 | 50.4 |
| 1930 | 47 | 57.2 |
| 1931 | 53 | 57.2 |
| 1932 | 56 | 57.2 |
| 1933 | 75 | 57.2 |
| 1934 | 48 | 57.2 |
| 1935 | 42 | 57.2 |
| 1936 | 76 | 57.2 |
| 1937 | 66 | 57.2 |
| 1938 | 58 | 57.2 |
| 1939 | 51 | 57.2 |
| 1940 | 45 | 55.7 |
| 1941 | 47 | 55.7 |
| 1942 | 68 | 55.7 |
| 1943 | 49 | 55.7 |
| 1944 | 56 | 55.7 |
| 1945 | 66 | 55.7 |
| 1946 | 62 | 55.7 |
| 1947 | 53 | 55.7 |
| 1948 | 61 | 55.7 |
| 1949 | 50 | 55.7 |
| 1950 | 70 | 58.1 |
| 1951 | 53 | 58.1 |
| 1952 | 50 | 58.1 |
| 1953 | 43 | 58.1 |
| 1954 | 59 | 58.1 |
| 1955 | 65 | 58.1 |
| 1956 | 62 | 58.1 |
| 1958 | 59 | 58.1 |
| 1959 | 62 | 58.1 |
| 1960 | 52 | 56.7 |
| 1961 | 66 | 56.7 |
| 1962 | 61 | 56.7 |
| 1963 | 59 | 56.7 |
| 1964 | 57 | 56.7 |
| 1967 | 57 | 56.7 |
| 1968 | 45 | 56.7 |
| Year | First date | Last date |
|---|---|---|
| 1901 | 1901-01-01 | 1901-12-27 |
| 1902 | 1902-02-20 | 1902-10-03 |
| 1903 | 1903-01-25 | 1903-09-16 |
| 1904 | 1904-01-19 | 1904-12-18 |
| 1905 | 1905-01-05 | 1905-09-23 |
| 1906 | 1906-01-09 | 1906-12-28 |
| 1907 | 1907-01-09 | 1907-08-29 |
| 1908 | 1908-01-11 | 1908-09-02 |
| 1909 | 1909-01-10 | 1909-12-25 |
| 1910 | 1910-01-16 | 1910-10-03 |
| 1911 | 1911-01-03 | 1911-11-19 |
| 1912 | 1912-01-10 | 1912-11-24 |
| 1913 | 1913-02-09 | 1913-12-12 |
| 1914 | 1914-02-15 | 1914-09-20 |
| 1915 | 1915-01-08 | 1915-12-16 |
| 1916 | 1916-05-29 | 1916-10-06 |
| 1917 | 1917-01-29 | 1917-12-20 |
| 1918 | 1918-03-04 | 1918-09-13 |
| 1919 | 1919-01-19 | 1919-12-29 |
| 1920 | 1920-02-04 | 1920-09-14 |
| 1921 | 1921-03-13 | 1921-10-17 |
| 1922 | 1922-01-02 | 1922-12-24 |
| 1923 | 1923-01-10 | 1923-12-04 |
| 1924 | 1924-01-06 | 1924-12-12 |
| 1925 | 1925-01-18 | 1925-11-05 |
| 1926 | 1926-02-04 | 1926-09-17 |
| 1927 | 1927-02-01 | 1927-12-20 |
| 1928 | 1928-01-25 | 1928-12-29 |
| 1929 | 1929-01-24 | 1929-12-25 |
| 1930 | 1930-01-14 | 1930-12-30 |
| 1931 | 1931-02-03 | 1931-10-17 |
| 1932 | 1932-02-15 | 1932-12-24 |
| 1933 | 1933-01-23 | 1933-10-22 |
| 1934 | 1934-01-12 | 1934-12-19 |
| 1935 | 1935-01-02 | 1935-09-18 |
| 1936 | 1936-02-06 | 1936-12-20 |
| 1937 | 1937-01-14 | 1937-12-22 |
| 1938 | 1938-01-01 | 1938-10-14 |
| 1939 | 1939-01-22 | 1939-10-05 |
| 1940 | 1940-01-19 | 1940-12-12 |
| 1941 | 1941-01-04 | 1941-10-09 |
| 1942 | 1942-01-17 | 1942-09-26 |
| 1943 | 1943-01-06 | 1943-09-17 |
| 1944 | 1944-01-23 | 1944-10-05 |
| 1945 | 1945-01-02 | 1945-10-25 |
| 1946 | 1946-04-10 | 1946-12-28 |
| 1947 | 1947-01-04 | 1947-10-02 |
| 1948 | 1948-02-21 | 1948-10-17 |
| 1949 | 1949-02-03 | 1949-09-27 |
| 1950 | 1950-01-02 | 1950-12-26 |
| 1951 | 1951-01-07 | 1951-11-25 |
| 1952 | 1952-01-03 | 1952-11-03 |
| 1953 | 1953-01-01 | 1953-09-16 |
| 1954 | 1954-01-01 | 1954-10-02 |
| 1955 | 1955-01-13 | 1955-10-15 |
| 1956 | 1956-01-08 | 1956-11-01 |
| 1958 | 1958-03-30 | 1958-12-22 |
| 1959 | 1959-01-05 | 1959-11-07 |
| 1960 | 1960-01-15 | 1960-12-31 |
| 1961 | 1961-01-02 | 1961-12-19 |
| 1962 | 1962-01-22 | 1962-12-06 |
| 1963 | 1963-01-16 | 1963-12-14 |
| 1964 | 1964-01-10 | 1964-12-12 |
| 1967 | 1967-02-19 | 1967-12-27 |
| 1968 | 1968-01-21 | 1968-12-26 |
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 | 65 | 86 | 1917 | 45 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 65 | 46 | 1933 | 23 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 65 | 23 | 1962 | 10 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 55 | 7 | 1910 | 3 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 5 | 2 | 1910 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.
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).