Ayton Threshold Days by Year (ASN00031003)
5 fixed thresholds counted per year at Ayton (ASN00031003): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Ayton Thresholds
- Ayton: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1973 with 66.
- Ayton: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1973 with 41.
- Ayton: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1977 with 21.
- Ayton: days with 100 mm (3.94 in) or more of precipitation in 61 years, most in 1945 with 10.
- 5 fixed thresholds have at least one qualifying day at Ayton.
Days with 10 mm (0.39 in) or more of precipitation
65 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1913 | 48 | 41.1 |
| 1914 | 47 | 41.1 |
| 1915 | 25 | 41.1 |
| 1916 | 50 | 41.1 |
| 1917 | 48 | 41.1 |
| 1918 | 43 | 41.1 |
| 1919 | 27 | 41.1 |
| 1920 | 44 | 42.6 |
| 1921 | 55 | 42.6 |
| 1922 | 36 | 42.6 |
| 1923 | 30 | 42.6 |
| 1924 | 51 | 42.6 |
| 1925 | 47 | 42.6 |
| 1926 | 32 | 42.6 |
| 1927 | 41 | 42.6 |
| 1928 | 36 | 42.6 |
| 1929 | 54 | 42.6 |
| 1930 | 47 | 41.3 |
| 1931 | 40 | 41.3 |
| 1932 | 40 | 41.3 |
| 1933 | 57 | 41.3 |
| 1934 | 47 | 41.3 |
| 1935 | 27 | 41.3 |
| 1936 | 44 | 41.3 |
| 1937 | 35 | 41.3 |
| 1938 | 27 | 41.3 |
| 1939 | 49 | 41.3 |
| 1940 | 45 | 38.5 |
| 1941 | 50 | 38.5 |
| 1942 | 37 | 38.5 |
| 1943 | 34 | 38.5 |
| 1944 | 40 | 38.5 |
| 1945 | 45 | 38.5 |
| 1946 | 35 | 38.5 |
| 1947 | 30 | 38.5 |
| 1948 | 31 | 38.5 |
| 1949 | 38 | 38.5 |
| 1950 | 62 | 42.1 |
| 1951 | 30 | 42.1 |
| 1952 | 34 | 42.1 |
| 1953 | 46 | 42.1 |
| 1954 | 41 | 42.1 |
| 1955 | 45 | 42.1 |
| 1956 | 48 | 42.1 |
| 1957 | 41 | 42.1 |
| 1958 | 31 | 42.1 |
| 1959 | 43 | 42.1 |
| 1960 | 38 | 35.9 |
| 1961 | 20 | 35.9 |
| 1962 | 35 | 35.9 |
| 1963 | 46 | 35.9 |
| 1964 | 54 | 35.9 |
| 1965 | 43 | 35.9 |
| 1966 | 24 | 35.9 |
| 1967 | 35 | 35.9 |
| 1968 | 34 | 35.9 |
| 1969 | 30 | 35.9 |
| 1970 | 39 | 52.6 |
| 1971 | 48 | 52.6 |
| 1972 | 45 | 52.6 |
| 1973 | 66 | 52.6 |
| 1974 | 50 | 52.6 |
| 1975 | 62 | 52.6 |
| 1976 | 55 | 52.6 |
| 1977 | 56 | 52.6 |
| Year | First date | Last date |
|---|---|---|
| 1913 | 1913-01-09 | 1913-12-31 |
| 1914 | 1914-01-01 | 1914-12-28 |
| 1915 | 1915-01-03 | 1915-12-31 |
| 1916 | 1916-01-14 | 1916-12-31 |
| 1917 | 1917-01-01 | 1917-12-25 |
| 1918 | 1918-01-05 | 1918-12-30 |
| 1919 | 1919-01-03 | 1919-09-18 |
| 1920 | 1920-01-10 | 1920-12-25 |
| 1921 | 1921-01-02 | 1921-12-30 |
| 1922 | 1922-01-01 | 1922-12-24 |
| 1923 | 1923-01-01 | 1923-12-31 |
| 1924 | 1924-01-04 | 1924-12-28 |
| 1925 | 1925-01-12 | 1925-11-17 |
| 1926 | 1926-01-03 | 1926-12-30 |
| 1927 | 1927-01-13 | 1927-12-24 |
| 1928 | 1928-01-04 | 1928-12-30 |
| 1929 | 1929-01-02 | 1929-12-31 |
| 1930 | 1930-01-05 | 1930-12-27 |
| 1931 | 1931-01-21 | 1931-12-29 |
| 1932 | 1932-01-16 | 1932-12-29 |
| 1933 | 1933-01-24 | 1933-12-31 |
| 1934 | 1934-01-01 | 1934-11-25 |
| 1935 | 1935-01-22 | 1935-11-16 |
| 1936 | 1936-01-01 | 1936-12-23 |
| 1937 | 1937-01-02 | 1937-12-30 |
| 1938 | 1938-01-12 | 1938-12-21 |
| 1939 | 1939-01-08 | 1939-12-25 |
| 1940 | 1940-01-01 | 1940-11-10 |
| 1941 | 1941-01-04 | 1941-12-31 |
| 1942 | 1942-01-22 | 1942-12-26 |
| 1943 | 1943-01-02 | 1943-12-24 |
| 1944 | 1944-01-12 | 1944-12-25 |
| 1945 | 1945-01-19 | 1945-12-26 |
| 1946 | 1946-01-09 | 1946-12-31 |
| 1947 | 1947-01-02 | 1947-12-05 |
| 1948 | 1948-01-03 | 1948-12-27 |
| 1949 | 1949-01-02 | 1949-12-27 |
| 1950 | 1950-01-07 | 1950-12-21 |
| 1951 | 1951-01-06 | 1951-12-23 |
| 1952 | 1952-01-12 | 1952-12-29 |
| 1953 | 1953-01-05 | 1953-12-30 |
| 1954 | 1954-01-03 | 1954-12-19 |
| 1955 | 1955-01-02 | 1955-11-06 |
| 1956 | 1956-01-08 | 1956-12-31 |
| 1957 | 1957-01-01 | 1957-12-24 |
| 1958 | 1958-01-03 | 1958-12-22 |
| 1959 | 1959-01-01 | 1959-12-27 |
| 1960 | 1960-01-07 | 1960-12-30 |
| 1961 | 1961-01-01 | 1961-12-31 |
| 1962 | 1962-01-02 | 1962-11-29 |
| 1963 | 1963-01-02 | 1963-12-20 |
| 1964 | 1964-01-06 | 1964-12-30 |
| 1965 | 1965-01-01 | 1965-12-23 |
| 1966 | 1966-01-06 | 1966-12-26 |
| 1967 | 1967-01-04 | 1967-12-26 |
| 1968 | 1968-01-11 | 1968-12-22 |
| 1969 | 1969-01-03 | 1969-12-28 |
| 1970 | 1970-01-02 | 1970-12-29 |
| 1971 | 1971-01-07 | 1971-12-16 |
| 1972 | 1972-01-04 | 1972-12-20 |
| 1973 | 1973-01-01 | 1973-12-27 |
| 1974 | 1974-01-03 | 1974-12-31 |
| 1975 | 1975-01-01 | 1975-12-31 |
| 1976 | 1976-01-01 | 1976-12-31 |
| 1977 | 1977-01-07 | 1977-12-31 |
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 | 66 | 1973 | 56 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 65 | 41 | 1973 | 30 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 65 | 21 | 1977 | 21 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 61 | 10 | 1945 | 4 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 22 | 3 | 1928 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.
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).