Atka Threshold Days by Year (RSM00025902)
2 fixed thresholds counted per year at Atka (RSM00025902): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Atka Thresholds
- Atka: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1978 with 12.
- Atka: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 1939 with 2.
- 2 fixed thresholds have at least one qualifying day at Atka.
Days with 10 mm (0.39 in) or more of precipitation
44 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1936 | 8 | 7.7 |
| 1937 | 5 | 7.7 |
| 1939 | 10 | 7.7 |
| 1940 | 1 | 4.1 |
| 1941 | 3 | 4.1 |
| 1942 | 3 | 4.1 |
| 1943 | 9 | 4.1 |
| 1944 | 9 | 4.1 |
| 1945 | 2 | 4.1 |
| 1946 | 8 | 4.1 |
| 1947 | 3 | 4.1 |
| 1948 | 1 | 4.1 |
| 1949 | 2 | 4.1 |
| 1950 | 8 | 4.9 |
| 1951 | 1 | 4.9 |
| 1952 | 6 | 4.9 |
| 1953 | 4 | 4.9 |
| 1954 | 6 | 4.9 |
| 1955 | 6 | 4.9 |
| 1956 | 2 | 4.9 |
| 1958 | 7 | 4.9 |
| 1959 | 4 | 4.9 |
| 1960 | 5 | 4.7 |
| 1961 | 9 | 4.7 |
| 1962 | 6 | 4.7 |
| 1963 | 3 | 4.7 |
| 1964 | 4 | 4.7 |
| 1965 | 1 | 4.7 |
| 1977 | 9 | 8.3 |
| 1978 | 12 | 8.3 |
| 1979 | 4 | 8.3 |
| 1980 | 4 | 6.1 |
| 1981 | 5 | 6.1 |
| 1982 | 9 | 6.1 |
| 1983 | 3 | 6.1 |
| 1984 | 4 | 6.1 |
| 1985 | 9 | 6.1 |
| 1986 | 9 | 6.1 |
| 1987 | 6 | 6.1 |
| 1988 | 4 | 6.1 |
| 1989 | 8 | 6.1 |
| 1990 | 9 | 5.3 |
| 1991 | 3 | 5.3 |
| 1992 | 4 | 5.3 |
| Year | First date | Last date |
|---|---|---|
| 1936 | 1936-06-19 | 1936-09-06 |
| 1937 | 1937-06-24 | 1937-09-09 |
| 1939 | 1939-07-09 | 1939-09-03 |
| 1940 | 1940-07-03 | 1940-07-03 |
| 1941 | 1941-06-25 | 1941-08-14 |
| 1942 | 1942-07-09 | 1942-08-22 |
| 1943 | 1943-06-25 | 1943-09-24 |
| 1944 | 1944-06-03 | 1944-10-26 |
| 1945 | 1945-08-03 | 1945-09-19 |
| 1946 | 1946-06-18 | 1946-09-28 |
| 1947 | 1947-07-01 | 1947-08-07 |
| 1948 | 1948-09-07 | 1948-09-07 |
| 1949 | 1949-06-15 | 1949-08-29 |
| 1950 | 1950-05-27 | 1950-09-16 |
| 1951 | 1951-07-26 | 1951-07-26 |
| 1952 | 1952-06-08 | 1952-08-20 |
| 1953 | 1953-06-14 | 1953-07-25 |
| 1954 | 1954-01-25 | 1954-09-05 |
| 1955 | 1955-06-18 | 1955-12-20 |
| 1956 | 1956-08-31 | 1956-12-07 |
| 1958 | 1958-06-30 | 1958-08-20 |
| 1959 | 1959-06-11 | 1959-09-22 |
| 1960 | 1960-06-25 | 1960-11-23 |
| 1961 | 1961-06-24 | 1961-09-11 |
| 1962 | 1962-07-14 | 1962-09-30 |
| 1963 | 1963-07-10 | 1963-10-03 |
| 1964 | 1964-07-03 | 1964-08-30 |
| 1965 | 1965-06-14 | 1965-06-14 |
| 1977 | 1977-06-14 | 1977-09-22 |
| 1978 | 1978-06-17 | 1978-08-13 |
| 1979 | 1979-07-19 | 1979-09-10 |
| 1980 | 1980-06-12 | 1980-08-31 |
| 1981 | 1981-05-19 | 1981-08-31 |
| 1982 | 1982-07-04 | 1982-09-03 |
| 1983 | 1983-07-24 | 1983-08-19 |
| 1984 | 1984-06-18 | 1984-07-26 |
| 1985 | 1985-06-17 | 1985-09-06 |
| 1986 | 1986-07-19 | 1986-09-11 |
| 1987 | 1987-05-13 | 1987-10-09 |
| 1988 | 1988-06-20 | 1988-08-14 |
| 1989 | 1989-06-20 | 1989-10-18 |
| 1990 | 1990-06-25 | 1990-08-30 |
| 1991 | 1991-07-12 | 1991-09-14 |
| 1992 | 1992-05-26 | 1992-08-06 |
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 | 44 | 12 | 1978 | 4 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 14 | 2 | 1939 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.
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).