Tower Hill Threshold Days by Year (ASN00092042)
5 fixed thresholds counted per year at Tower Hill (ASN00092042): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Tower Hill Thresholds
- Tower Hill: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1916 with 49.
- Tower Hill: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1970 with 17.
- Tower Hill: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 1970 with 7.
- Tower Hill: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1929 with 2.
- 5 fixed thresholds have at least one qualifying day at Tower Hill.
Days with 10 mm (0.39 in) or more of precipitation
71 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1911 | 31 | 29 |
| 1913 | 22 | 29 |
| 1914 | 15 | 29 |
| 1915 | 32 | 29 |
| 1916 | 49 | 29 |
| 1917 | 31 | 29 |
| 1918 | 23 | 29 |
| 1920 | 32 | 27.6 |
| 1921 | 23 | 27.6 |
| 1922 | 21 | 27.6 |
| 1923 | 29 | 27.6 |
| 1924 | 30 | 27.6 |
| 1925 | 26 | 27.6 |
| 1926 | 26 | 27.6 |
| 1927 | 20 | 27.6 |
| 1928 | 29 | 27.6 |
| 1929 | 40 | 27.6 |
| 1930 | 29 | 28.7 |
| 1931 | 32 | 28.7 |
| 1932 | 31 | 28.7 |
| 1933 | 21 | 28.7 |
| 1934 | 30 | 28.7 |
| 1935 | 32 | 28.7 |
| 1936 | 28 | 28.7 |
| 1937 | 28 | 28.7 |
| 1938 | 25 | 28.7 |
| 1939 | 31 | 28.7 |
| 1940 | 14 | 22.1 |
| 1941 | 17 | 22.1 |
| 1942 | 23 | 22.1 |
| 1943 | 16 | 22.1 |
| 1944 | 22 | 22.1 |
| 1945 | 20 | 22.1 |
| 1946 | 28 | 22.1 |
| 1947 | 32 | 22.1 |
| 1948 | 18 | 22.1 |
| 1949 | 31 | 22.1 |
| 1950 | 29 | 29.3 |
| 1951 | 24 | 29.3 |
| 1952 | 40 | 29.3 |
| 1953 | 26 | 29.3 |
| 1954 | 17 | 29.3 |
| 1955 | 27 | 29.3 |
| 1956 | 45 | 29.3 |
| 1957 | 24 | 29.3 |
| 1958 | 34 | 29.3 |
| 1959 | 27 | 29.3 |
| 1960 | 28 | 23.1 |
| 1961 | 21 | 23.1 |
| 1962 | 26 | 23.1 |
| 1963 | 22 | 23.1 |
| 1964 | 30 | 23.1 |
| 1965 | 17 | 23.1 |
| 1966 | 23 | 23.1 |
| 1967 | 18 | 23.1 |
| 1968 | 17 | 23.1 |
| 1969 | 29 | 23.1 |
| 1970 | 36 | 28.4 |
| 1971 | 35 | 28.4 |
| 1972 | 14 | 28.4 |
| 1973 | 27 | 28.4 |
| 1974 | 31 | 28.4 |
| 1975 | 34 | 28.4 |
| 1976 | 26 | 28.4 |
| 1977 | 25 | 28.4 |
| 1979 | 28 | 28.4 |
| 1980 | 20 | 25 |
| 1981 | 27 | 25 |
| 1982 | 17 | 25 |
| 1983 | 26 | 25 |
| 1984 | 35 | 25 |
| Year | First date | Last date |
|---|---|---|
| 1911 | 1911-01-17 | 1911-12-31 |
| 1913 | 1913-03-10 | 1913-12-25 |
| 1914 | 1914-03-24 | 1914-12-27 |
| 1915 | 1915-01-06 | 1915-12-24 |
| 1916 | 1916-01-09 | 1916-12-23 |
| 1917 | 1917-01-04 | 1917-12-31 |
| 1918 | 1918-01-15 | 1918-12-19 |
| 1920 | 1920-01-03 | 1920-12-16 |
| 1921 | 1921-01-02 | 1921-11-28 |
| 1922 | 1922-02-21 | 1922-12-24 |
| 1923 | 1923-01-22 | 1923-12-10 |
| 1924 | 1924-01-27 | 1924-11-14 |
| 1925 | 1925-01-14 | 1925-12-17 |
| 1926 | 1926-04-06 | 1926-12-06 |
| 1927 | 1927-01-06 | 1927-12-19 |
| 1928 | 1928-01-21 | 1928-11-23 |
| 1929 | 1929-01-18 | 1929-12-28 |
| 1930 | 1930-02-20 | 1930-12-25 |
| 1931 | 1931-03-02 | 1931-11-17 |
| 1932 | 1932-02-15 | 1932-12-24 |
| 1933 | 1933-01-26 | 1933-12-15 |
| 1934 | 1934-01-09 | 1934-12-30 |
| 1935 | 1935-01-05 | 1935-12-21 |
| 1936 | 1936-01-22 | 1936-12-22 |
| 1937 | 1937-01-02 | 1937-12-27 |
| 1938 | 1938-01-27 | 1938-12-10 |
| 1939 | 1939-02-17 | 1939-12-19 |
| 1940 | 1940-01-19 | 1940-12-20 |
| 1941 | 1941-01-26 | 1941-12-06 |
| 1942 | 1942-01-20 | 1942-12-24 |
| 1943 | 1943-01-13 | 1943-11-04 |
| 1944 | 1944-01-04 | 1944-12-21 |
| 1945 | 1945-01-16 | 1945-12-17 |
| 1946 | 1946-01-20 | 1946-12-15 |
| 1947 | 1947-01-17 | 1947-12-21 |
| 1948 | 1948-01-07 | 1948-11-17 |
| 1949 | 1949-01-16 | 1949-12-21 |
| 1950 | 1950-01-14 | 1950-12-31 |
| 1951 | 1951-01-23 | 1951-12-15 |
| 1952 | 1952-02-23 | 1952-11-27 |
| 1953 | 1953-01-05 | 1953-12-09 |
| 1954 | 1954-01-28 | 1954-12-12 |
| 1955 | 1955-01-29 | 1955-12-31 |
| 1956 | 1956-01-14 | 1956-12-18 |
| 1957 | 1957-02-07 | 1957-12-26 |
| 1958 | 1958-02-01 | 1958-12-12 |
| 1959 | 1959-01-26 | 1959-12-28 |
| 1960 | 1960-04-17 | 1960-12-05 |
| 1961 | 1961-03-01 | 1961-12-18 |
| 1962 | 1962-01-12 | 1962-12-12 |
| 1963 | 1963-01-05 | 1963-10-31 |
| 1964 | 1964-02-07 | 1964-12-28 |
| 1965 | 1965-01-12 | 1965-12-02 |
| 1966 | 1966-02-05 | 1966-12-16 |
| 1967 | 1967-01-17 | 1967-12-19 |
| 1968 | 1968-02-21 | 1968-12-04 |
| 1969 | 1969-02-04 | 1969-12-30 |
| 1970 | 1970-01-03 | 1970-12-31 |
| 1971 | 1971-01-19 | 1971-12-21 |
| 1972 | 1972-01-12 | 1972-11-25 |
| 1973 | 1973-01-13 | 1973-12-31 |
| 1974 | 1974-02-23 | 1974-12-26 |
| 1975 | 1975-01-09 | 1975-12-30 |
| 1976 | 1976-01-09 | 1976-12-24 |
| 1977 | 1977-01-17 | 1977-11-30 |
| 1979 | 1979-02-09 | 1979-12-11 |
| 1980 | 1980-01-09 | 1980-11-03 |
| 1981 | 1981-01-18 | 1981-12-01 |
| 1982 | 1982-01-07 | 1982-12-09 |
| 1983 | 1983-01-02 | 1983-12-07 |
| 1984 | 1984-02-21 | 1984-12-25 |
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 | 71 | 49 | 1916 | 35 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 71 | 17 | 1970 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 54 | 7 | 1970 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 11 | 2 | 1929 | 2 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1929 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.
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).