Mutsu Threshold Days by Year (JA000047576)
13 fixed thresholds counted per year at Mutsu (JA000047576): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mutsu Thresholds
- Mutsu: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1966 with 50.
- Mutsu: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1958 with 19.
- Mutsu: days with a maximum temperature at or below 0 C (32 F) in 51 years, most in 1984 with 51.
- Mutsu: days with 50 mm (1.97 in) or more of precipitation in 51 years, most in 1966 with 6.
- 13 fixed thresholds have at least one qualifying day at Mutsu.
Days at or above 30 C (86 F)
45 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1951 | 12 | 4.9 |
| 1952 | 4 | 4.9 |
| 1953 | 4 | 4.9 |
| 1954 | 1 | 4.9 |
| 1955 | 10 | 4.9 |
| 1956 | 2 | 4.9 |
| 1957 | 1 | 4.9 |
| 1960 | 6 | 4.1 |
| 1961 | 6 | 4.1 |
| 1962 | 7 | 4.1 |
| 1963 | 5 | 4.1 |
| 1964 | 1 | 4.1 |
| 1965 | 1 | 4.1 |
| 1966 | 2 | 4.1 |
| 1967 | 3 | 4.1 |
| 1968 | 4 | 4.1 |
| 1969 | 6 | 4.1 |
| 1970 | 12 | 7.5 |
| 1971 | 5 | 7.5 |
| 1972 | 10 | 7.5 |
| 1973 | 11 | 7.5 |
| 1974 | 2 | 7.5 |
| 1975 | 10 | 7.5 |
| 1976 | 4 | 7.5 |
| 1977 | 5 | 7.5 |
| 1978 | 13 | 7.5 |
| 1979 | 3 | 7.5 |
| 1981 | 8 | 7.6 |
| 1983 | 5 | 7.6 |
| 1984 | 11 | 7.6 |
| 1985 | 18 | 7.6 |
| 1986 | 5 | 7.6 |
| 1987 | 1 | 7.6 |
| 1988 | 3 | 7.6 |
| 1989 | 10 | 7.6 |
| 1993 | 1 | 7.3 |
| 1994 | 20 | 7.3 |
| 1996 | 1 | 7.3 |
| 2005 | 6 | 7.5 |
| 2006 | 9 | 7.5 |
| 2011 | 9 | 7.3 |
| 2014 | 6 | 7.3 |
| 2016 | 7 | 7.3 |
| 2025 | 23 | 14 |
| 2026 | 5 | 14 |
| Year | First date | Last date |
|---|---|---|
| 1951 | 1951-08-07 | 1951-08-25 |
| 1952 | 1952-07-23 | 1952-07-26 |
| 1953 | 1953-07-28 | 1953-08-01 |
| 1954 | 1954-09-15 | 1954-09-15 |
| 1955 | 1955-07-14 | 1955-08-30 |
| 1956 | 1956-07-29 | 1956-09-06 |
| 1957 | 1957-08-22 | 1957-08-22 |
| 1960 | 1960-07-22 | 1960-08-09 |
| 1961 | 1961-07-29 | 1961-09-04 |
| 1962 | 1962-07-31 | 1962-08-17 |
| 1963 | 1963-07-27 | 1963-07-31 |
| 1964 | 1964-08-11 | 1964-08-11 |
| 1965 | 1965-08-19 | 1965-08-19 |
| 1966 | 1966-08-23 | 1966-08-30 |
| 1967 | 1967-07-23 | 1967-08-04 |
| 1968 | 1968-07-24 | 1968-08-09 |
| 1969 | 1969-07-18 | 1969-08-04 |
| 1970 | 1970-07-23 | 1970-09-02 |
| 1971 | 1971-07-30 | 1971-08-10 |
| 1972 | 1972-07-16 | 1972-08-17 |
| 1973 | 1973-07-14 | 1973-08-28 |
| 1974 | 1974-08-19 | 1974-08-25 |
| 1975 | 1975-07-24 | 1975-09-04 |
| 1976 | 1976-07-24 | 1976-07-27 |
| 1977 | 1977-07-25 | 1977-08-01 |
| 1978 | 1978-07-05 | 1978-08-20 |
| 1979 | 1979-08-14 | 1979-08-18 |
| 1981 | 1981-07-18 | 1981-08-03 |
| 1983 | 1983-08-05 | 1983-09-04 |
| 1984 | 1984-07-28 | 1984-08-17 |
| 1985 | 1985-07-26 | 1985-09-01 |
| 1986 | 1986-07-29 | 1986-08-13 |
| 1987 | 1987-06-07 | 1987-06-07 |
| 1988 | 1988-08-03 | 1988-08-25 |
| 1989 | 1989-07-21 | 1989-08-23 |
| 1993 | 1993-08-25 | 1993-08-25 |
| 1994 | 1994-07-14 | 1994-09-06 |
| 1996 | 1996-07-26 | 1996-07-26 |
| 2005 | 2005-07-17 | 2005-08-20 |
| 2006 | 2006-07-14 | 2006-08-22 |
| 2011 | 2011-07-10 | 2011-09-03 |
| 2014 | 2014-07-24 | 2014-08-04 |
| 2016 | 2016-07-29 | 2016-08-09 |
| 2025 | 2025-07-08 | 2025-08-26 |
| 2026 | 2026-07-15 | 2026-08-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 45 | 23 | 2025 | 5 |
| 90 F (32.2 C): Days | 18 | 4 | 1994 | 4 |
| 0 C (32 F): Ice days (max | 51 | 51 | 1984 | 15 |
| 0 C (32 F): Frost days (min | 41 | 144 | 1984 | 64 |
| -10 C (14 F): Days with min | 41 | 29 | 1984 | 2 |
| -20 C (-4 F): Days with min | 1 | 1 | 1984 | 1 |
| 20 C (68 F): Tropical nights (min | 40 | 56 | 2025 | 34 |
| 25 C (77 F): Days with min | 5 | 7 | 2025 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 53 | 50 | 1966 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 53 | 19 | 1958 | 13 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 51 | 6 | 1966 | 9 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 12 | 2 | 1968 | 2 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 0 | n/a | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.
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).