Iema Threshold Days by Year (RSM00024477)
3 fixed thresholds counted per year at Iema (RSM00024477): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Iema Thresholds
- Iema: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1953 with 14.
- Iema: days with 25 mm (0.98 in) or more of precipitation in 11 years, most in 1953 with 4.
- Iema: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1952 with 2.
- 3 fixed thresholds have at least one qualifying day at Iema.
Days with 10 mm (0.39 in) or more of precipitation
39 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1946 | 4 | 3.5 |
| 1947 | 2 | 3.5 |
| 1948 | 2 | 3.5 |
| 1949 | 6 | 3.5 |
| 1950 | 3 | 5.9 |
| 1952 | 11 | 5.9 |
| 1953 | 14 | 5.9 |
| 1956 | 2 | 5.9 |
| 1957 | 3 | 5.9 |
| 1958 | 2 | 5.9 |
| 1959 | 6 | 5.9 |
| 1960 | 2 | 3 |
| 1961 | 4 | 3 |
| 1962 | 2 | 3 |
| 1963 | 2 | 3 |
| 1964 | 2 | 3 |
| 1965 | 3 | 3 |
| 1966 | 2 | 3 |
| 1967 | 5 | 3 |
| 1968 | 6 | 3 |
| 1969 | 2 | 3 |
| 1971 | 2 | 4.5 |
| 1972 | 5 | 4.5 |
| 1973 | 3 | 4.5 |
| 1977 | 9 | 4.5 |
| 1978 | 3 | 4.5 |
| 1979 | 5 | 4.5 |
| 1980 | 5 | 4.2 |
| 1981 | 6 | 4.2 |
| 1982 | 2 | 4.2 |
| 1983 | 6 | 4.2 |
| 1984 | 3 | 4.2 |
| 1985 | 7 | 4.2 |
| 1986 | 1 | 4.2 |
| 1987 | 4 | 4.2 |
| 1988 | 5 | 4.2 |
| 1989 | 3 | 4.2 |
| 1990 | 3 | 2.5 |
| 1992 | 2 | 2.5 |
| Year | First date | Last date |
|---|---|---|
| 1946 | 1946-07-02 | 1946-08-17 |
| 1947 | 1947-06-29 | 1947-09-12 |
| 1948 | 1948-06-18 | 1948-07-30 |
| 1949 | 1949-07-03 | 1949-08-24 |
| 1950 | 1950-07-22 | 1950-09-11 |
| 1952 | 1952-06-02 | 1952-08-19 |
| 1953 | 1953-06-11 | 1953-09-14 |
| 1956 | 1956-08-07 | 1956-10-04 |
| 1957 | 1957-07-11 | 1957-09-11 |
| 1958 | 1958-07-13 | 1958-07-21 |
| 1959 | 1959-06-22 | 1959-09-14 |
| 1960 | 1960-08-05 | 1960-09-01 |
| 1961 | 1961-07-31 | 1961-09-10 |
| 1962 | 1962-07-04 | 1962-07-28 |
| 1963 | 1963-06-15 | 1963-06-22 |
| 1964 | 1964-06-10 | 1964-08-11 |
| 1965 | 1965-06-17 | 1965-08-21 |
| 1966 | 1966-06-20 | 1966-07-31 |
| 1967 | 1967-06-25 | 1967-09-28 |
| 1968 | 1968-05-14 | 1968-08-18 |
| 1969 | 1969-06-17 | 1969-06-25 |
| 1971 | 1971-06-20 | 1971-07-15 |
| 1972 | 1972-06-22 | 1972-08-08 |
| 1973 | 1973-06-16 | 1973-09-24 |
| 1977 | 1977-05-31 | 1977-09-08 |
| 1978 | 1978-06-20 | 1978-08-12 |
| 1979 | 1979-05-30 | 1979-08-11 |
| 1980 | 1980-07-12 | 1980-08-04 |
| 1981 | 1981-06-04 | 1981-08-07 |
| 1982 | 1982-08-15 | 1982-08-22 |
| 1983 | 1983-05-25 | 1983-09-07 |
| 1984 | 1984-05-31 | 1984-08-05 |
| 1985 | 1985-06-26 | 1985-08-31 |
| 1986 | 1986-06-15 | 1986-06-15 |
| 1987 | 1987-06-30 | 1987-08-10 |
| 1988 | 1988-06-30 | 1988-08-20 |
| 1989 | 1989-07-13 | 1989-08-26 |
| 1990 | 1990-07-12 | 1990-07-19 |
| 1992 | 1992-06-03 | 1992-08-02 |
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 | 39 | 14 | 1953 | 2 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 11 | 4 | 1953 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 2 | 1952 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.
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).