Knas Threshold Days by Year (SWE00139518)
9 fixed thresholds counted per year at Knas (SWE00139518): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Knas Thresholds
- Knas: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1985 with 27.
- Knas: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1957 with 4.
- Knas: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1950 with 1.
- Knas: days with a maximum temperature at or above 30 C (86 F) in 1 years, most in 1988 with 3.
- 9 fixed thresholds have at least one qualifying day at Knas.
Days with 10 mm (0.39 in) or more of precipitation
50 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1945 | 13 | 15.8 |
| 1946 | 23 | 15.8 |
| 1947 | 11 | 15.8 |
| 1948 | 12 | 15.8 |
| 1949 | 20 | 15.8 |
| 1950 | 19 | 16.6 |
| 1951 | 16 | 16.6 |
| 1952 | 18 | 16.6 |
| 1953 | 15 | 16.6 |
| 1954 | 23 | 16.6 |
| 1955 | 14 | 16.6 |
| 1956 | 13 | 16.6 |
| 1957 | 20 | 16.6 |
| 1958 | 13 | 16.6 |
| 1959 | 15 | 16.6 |
| 1960 | 17 | 16.2 |
| 1961 | 19 | 16.2 |
| 1962 | 14 | 16.2 |
| 1963 | 14 | 16.2 |
| 1964 | 18 | 16.2 |
| 1965 | 21 | 16.2 |
| 1966 | 18 | 16.2 |
| 1967 | 11 | 16.2 |
| 1968 | 18 | 16.2 |
| 1969 | 12 | 16.2 |
| 1970 | 12 | 13.4 |
| 1971 | 14 | 13.4 |
| 1972 | 12 | 13.4 |
| 1973 | 15 | 13.4 |
| 1974 | 12 | 13.4 |
| 1975 | 9 | 13.4 |
| 1976 | 9 | 13.4 |
| 1977 | 22 | 13.4 |
| 1978 | 11 | 13.4 |
| 1979 | 18 | 13.4 |
| 1980 | 18 | 19.9 |
| 1981 | 20 | 19.9 |
| 1982 | 20 | 19.9 |
| 1983 | 20 | 19.9 |
| 1984 | 23 | 19.9 |
| 1985 | 27 | 19.9 |
| 1986 | 19 | 19.9 |
| 1987 | 23 | 19.9 |
| 1988 | 14 | 19.9 |
| 1989 | 15 | 19.9 |
| 1990 | 19 | 17.7 |
| 1991 | 16 | 17.7 |
| 1992 | 18 | 17.7 |
| 2025 | 26 | 18.5 |
| 2026 | 11 | 18.5 |
| Year | First date | Last date |
|---|---|---|
| 1945 | 1945-03-20 | 1945-12-17 |
| 1946 | 1946-01-10 | 1946-12-08 |
| 1947 | 1947-06-01 | 1947-11-30 |
| 1948 | 1948-01-28 | 1948-10-17 |
| 1949 | 1949-01-07 | 1949-12-29 |
| 1950 | 1950-01-15 | 1950-11-30 |
| 1951 | 1951-01-12 | 1951-11-08 |
| 1952 | 1952-03-03 | 1952-10-28 |
| 1953 | 1953-04-03 | 1953-11-04 |
| 1954 | 1954-01-19 | 1954-12-12 |
| 1955 | 1955-05-02 | 1955-12-28 |
| 1956 | 1956-06-08 | 1956-09-28 |
| 1957 | 1957-04-29 | 1957-10-03 |
| 1958 | 1958-01-18 | 1958-12-20 |
| 1959 | 1959-01-02 | 1959-12-20 |
| 1960 | 1960-05-29 | 1960-11-11 |
| 1961 | 1961-01-03 | 1961-12-30 |
| 1962 | 1962-03-31 | 1962-12-15 |
| 1963 | 1963-04-11 | 1963-11-18 |
| 1964 | 1964-04-29 | 1964-12-30 |
| 1965 | 1965-01-11 | 1965-12-26 |
| 1966 | 1966-01-29 | 1966-12-29 |
| 1967 | 1967-02-23 | 1967-12-27 |
| 1968 | 1968-05-01 | 1968-12-18 |
| 1969 | 1969-01-16 | 1969-11-01 |
| 1970 | 1970-06-07 | 1970-11-23 |
| 1971 | 1971-01-24 | 1971-11-29 |
| 1972 | 1972-03-26 | 1972-12-05 |
| 1973 | 1973-04-01 | 1973-12-06 |
| 1974 | 1974-02-11 | 1974-11-14 |
| 1975 | 1975-05-16 | 1975-12-02 |
| 1976 | 1976-06-19 | 1976-12-03 |
| 1977 | 1977-01-01 | 1977-11-24 |
| 1978 | 1978-01-30 | 1978-11-15 |
| 1979 | 1979-03-09 | 1979-11-16 |
| 1980 | 1980-03-29 | 1980-11-18 |
| 1981 | 1981-03-07 | 1981-11-27 |
| 1982 | 1982-01-02 | 1982-11-25 |
| 1983 | 1983-01-13 | 1983-10-17 |
| 1984 | 1984-01-13 | 1984-12-06 |
| 1985 | 1985-01-31 | 1985-12-03 |
| 1986 | 1986-01-04 | 1986-12-28 |
| 1987 | 1987-02-10 | 1987-11-18 |
| 1988 | 1988-04-20 | 1988-10-09 |
| 1989 | 1989-02-25 | 1989-12-17 |
| 1990 | 1990-01-19 | 1990-12-27 |
| 1991 | 1991-01-02 | 1991-11-03 |
| 1992 | 1992-04-25 | 1992-11-28 |
| 2025 | 2025-01-06 | 2025-11-30 |
| 2026 | 2026-01-01 | 2026-08-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 1 | 3 | 1988 | 3 |
| 0 C (32 F): Ice days (max | 1 | 95 | 1988 | 95 |
| 0 C (32 F): Frost days (min | 1 | 170 | 1988 | 170 |
| -10 C (14 F): Days with min | 1 | 59 | 1988 | 59 |
| -20 C (-4 F): Days with min | 1 | 12 | 1988 | 12 |
| -30 C (-22 F): Days with min | 1 | 1 | 1988 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 50 | 27 | 1985 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 35 | 4 | 1957 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 1 | 1950 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1988.
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 (2026-10-17).