Bohan Threshold Days by Year (RSM00030618)
3 fixed thresholds counted per year at Bohan (RSM00030618): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Bohan Thresholds
- Bohan: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1962 with 14.
- Bohan: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1973 with 4.
- Bohan: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1967 with 2.
- 3 fixed thresholds have at least one qualifying day at Bohan.
Days with 10 mm (0.39 in) or more of precipitation
36 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1959 | 12 | 12 |
| 1960 | 13 | 9.1 |
| 1961 | 7 | 9.1 |
| 1962 | 14 | 9.1 |
| 1963 | 12 | 9.1 |
| 1964 | 6 | 9.1 |
| 1965 | 8 | 9.1 |
| 1966 | 9 | 9.1 |
| 1967 | 8 | 9.1 |
| 1968 | 9 | 9.1 |
| 1969 | 5 | 9.1 |
| 1970 | 6 | 8 |
| 1971 | 11 | 8 |
| 1972 | 11 | 8 |
| 1973 | 9 | 8 |
| 1974 | 8 | 8 |
| 1975 | 8 | 8 |
| 1976 | 7 | 8 |
| 1977 | 3 | 8 |
| 1978 | 7 | 8 |
| 1979 | 10 | 8 |
| 1980 | 15 | 8.2 |
| 1981 | 4 | 8.2 |
| 1982 | 5 | 8.2 |
| 1983 | 7 | 8.2 |
| 1984 | 9 | 8.2 |
| 1985 | 9 | 8.2 |
| 1986 | 8 | 8.2 |
| 1988 | 10 | 8.2 |
| 1989 | 7 | 8.2 |
| 1990 | 9 | 9.3 |
| 1991 | 10 | 9.3 |
| 1992 | 9 | 9.3 |
| 1994 | 13 | 9.3 |
| 1995 | 11 | 9.3 |
| 1996 | 4 | 9.3 |
| Year | First date | Last date |
|---|---|---|
| 1959 | 1959-04-23 | 1959-09-01 |
| 1960 | 1960-04-19 | 1960-12-31 |
| 1961 | 1961-06-14 | 1961-08-22 |
| 1962 | 1962-06-19 | 1962-12-27 |
| 1963 | 1963-04-11 | 1963-08-31 |
| 1964 | 1964-04-20 | 1964-09-09 |
| 1965 | 1965-06-20 | 1965-10-02 |
| 1966 | 1966-05-10 | 1966-08-24 |
| 1967 | 1967-06-05 | 1967-08-27 |
| 1968 | 1968-03-17 | 1968-09-15 |
| 1969 | 1969-07-01 | 1969-12-09 |
| 1970 | 1970-06-28 | 1970-09-06 |
| 1971 | 1971-06-05 | 1971-08-31 |
| 1972 | 1972-04-13 | 1972-10-26 |
| 1973 | 1973-04-17 | 1973-09-13 |
| 1974 | 1974-06-03 | 1974-10-01 |
| 1975 | 1975-04-23 | 1975-10-05 |
| 1976 | 1976-06-24 | 1976-09-16 |
| 1977 | 1977-07-11 | 1977-09-08 |
| 1978 | 1978-06-28 | 1978-08-26 |
| 1979 | 1979-06-11 | 1979-11-07 |
| 1980 | 1980-05-18 | 1980-12-08 |
| 1981 | 1981-06-14 | 1981-08-19 |
| 1982 | 1982-06-13 | 1982-08-28 |
| 1983 | 1983-05-29 | 1983-09-12 |
| 1984 | 1984-05-06 | 1984-08-27 |
| 1985 | 1985-06-14 | 1985-09-03 |
| 1986 | 1986-06-25 | 1986-09-14 |
| 1988 | 1988-05-08 | 1988-09-15 |
| 1989 | 1989-06-07 | 1989-08-01 |
| 1990 | 1990-06-25 | 1990-09-18 |
| 1991 | 1991-04-03 | 1991-09-15 |
| 1992 | 1992-06-24 | 1992-11-29 |
| 1994 | 1994-05-30 | 1994-09-16 |
| 1995 | 1995-04-05 | 1995-08-27 |
| 1996 | 1996-05-31 | 1996-07-26 |
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 | 36 | 14 | 1962 | 4 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 32 | 4 | 1973 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 2 | 1967 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.
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).