Otaru Threshold Days by Year (JA000047411)
12 fixed thresholds counted per year at Otaru (JA000047411): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Otaru Thresholds
- Otaru: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 2013 with 57.
- Otaru: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 2017 with 14.
- Otaru: days with a maximum temperature at or below 0 C (32 F) in 49 years, most in 1984 with 85.
- Otaru: days with a maximum temperature at or above 30 C (86 F) in 48 years, most in 1951 with 16.
- 12 fixed thresholds have at least one qualifying day at Otaru.
Days at or above 30 C (86 F)
48 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1951 | 16 | 4.2 |
| 1952 | 3 | 4.2 |
| 1953 | 3 | 4.2 |
| 1954 | 1 | 4.2 |
| 1955 | 5 | 4.2 |
| 1956 | 3 | 4.2 |
| 1957 | 1 | 4.2 |
| 1958 | 2 | 4.2 |
| 1959 | 4 | 4.2 |
| 1960 | 9 | 4.3 |
| 1961 | 3 | 4.3 |
| 1962 | 4 | 4.3 |
| 1963 | 2 | 4.3 |
| 1964 | 1 | 4.3 |
| 1965 | 5 | 4.3 |
| 1966 | 6 | 4.3 |
| 1967 | 4 | 4.3 |
| 1968 | 6 | 4.3 |
| 1969 | 3 | 4.3 |
| 1970 | 7 | 6.1 |
| 1971 | 4 | 6.1 |
| 1972 | 10 | 6.1 |
| 1973 | 8 | 6.1 |
| 1974 | 1 | 6.1 |
| 1975 | 4 | 6.1 |
| 1976 | 5 | 6.1 |
| 1977 | 5 | 6.1 |
| 1978 | 10 | 6.1 |
| 1979 | 7 | 6.1 |
| 1980 | 1 | 6.7 |
| 1981 | 7 | 6.7 |
| 1982 | 4 | 6.7 |
| 1983 | 4 | 6.7 |
| 1984 | 7 | 6.7 |
| 1985 | 10 | 6.7 |
| 1986 | 9 | 6.7 |
| 1988 | 4 | 6.7 |
| 1989 | 14 | 6.7 |
| 1993 | 1 | 1 |
| 1998 | 1 | 1 |
| 2008 | 3 | 2 |
| 2009 | 1 | 2 |
| 2011 | 6 | 6.8 |
| 2013 | 6 | 6.8 |
| 2017 | 4 | 6.8 |
| 2019 | 11 | 6.8 |
| 2025 | 14 | 8.5 |
| 2026 | 3 | 8.5 |
| Year | First date | Last date |
|---|---|---|
| 1951 | 1951-07-23 | 1951-08-23 |
| 1952 | 1952-07-24 | 1952-09-01 |
| 1953 | 1953-07-28 | 1953-08-12 |
| 1954 | 1954-09-15 | 1954-09-15 |
| 1955 | 1955-07-15 | 1955-08-27 |
| 1956 | 1956-07-28 | 1956-09-10 |
| 1957 | 1957-08-22 | 1957-08-22 |
| 1958 | 1958-08-10 | 1958-08-11 |
| 1959 | 1959-07-21 | 1959-08-20 |
| 1960 | 1960-07-19 | 1960-08-09 |
| 1961 | 1961-07-31 | 1961-08-14 |
| 1962 | 1962-07-12 | 1962-08-16 |
| 1963 | 1963-07-30 | 1963-08-01 |
| 1964 | 1964-08-20 | 1964-08-20 |
| 1965 | 1965-08-07 | 1965-08-31 |
| 1966 | 1966-08-21 | 1966-08-31 |
| 1967 | 1967-07-16 | 1967-08-20 |
| 1968 | 1968-07-21 | 1968-08-08 |
| 1969 | 1969-07-18 | 1969-09-04 |
| 1970 | 1970-07-24 | 1970-08-23 |
| 1971 | 1971-08-02 | 1971-08-06 |
| 1972 | 1972-07-21 | 1972-09-04 |
| 1973 | 1973-07-14 | 1973-08-17 |
| 1974 | 1974-08-03 | 1974-08-03 |
| 1975 | 1975-08-01 | 1975-08-22 |
| 1976 | 1976-07-23 | 1976-07-27 |
| 1977 | 1977-06-29 | 1977-07-31 |
| 1978 | 1978-07-10 | 1978-08-21 |
| 1979 | 1979-07-30 | 1979-08-18 |
| 1980 | 1980-09-12 | 1980-09-12 |
| 1981 | 1981-07-19 | 1981-08-03 |
| 1982 | 1982-07-11 | 1982-08-30 |
| 1983 | 1983-08-05 | 1983-08-17 |
| 1984 | 1984-07-17 | 1984-08-16 |
| 1985 | 1985-08-03 | 1985-08-24 |
| 1986 | 1986-07-28 | 1986-08-30 |
| 1988 | 1988-08-11 | 1988-08-22 |
| 1989 | 1989-07-09 | 1989-08-22 |
| 1993 | 1993-08-25 | 1993-08-25 |
| 1998 | 1998-07-26 | 1998-07-26 |
| 2008 | 2008-07-05 | 2008-09-18 |
| 2009 | 2009-06-25 | 2009-06-25 |
| 2011 | 2011-07-07 | 2011-09-03 |
| 2013 | 2013-07-24 | 2013-08-18 |
| 2017 | 2017-07-13 | 2017-07-21 |
| 2019 | 2019-05-25 | 2019-09-08 |
| 2025 | 2025-07-06 | 2025-08-26 |
| 2026 | 2026-08-12 | 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 | 48 | 16 | 1951 | 3 |
| 90 F (32.2 C): Days | 23 | 6 | 2025 | 1 |
| 0 C (32 F): Ice days (max | 49 | 85 | 1984 | 34 |
| 0 C (32 F): Frost days (min | 41 | 144 | 1970 | 66 |
| -10 C (14 F): Days with min | 37 | 24 | 1952 | 5 |
| 20 C (68 F): Tropical nights (min | 40 | 49 | 2025 | 25 |
| 25 C (77 F): Days with min | 1 | 2 | 2025 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 53 | 57 | 2013 | 25 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 52 | 14 | 2017 | 19 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 40 | 6 | 1981 | 15 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 7 | 1 | 1961 | 9 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 0 | n/a | 2 |
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).