Rosario Izapa (Impa) Threshold Days by Year (MXN00007079)
11 fixed thresholds counted per year at Rosario Izapa (Impa) (MXN00007079): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Rosario Izapa (Impa) Thresholds
- Rosario Izapa (Impa): days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1986 with 341.
- Rosario Izapa (Impa): days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 1987 with 178.
- Rosario Izapa (Impa): nights with a minimum temperature at or above 20 C (68 F) in 25 years, most in 1980 with 211.
- Rosario Izapa (Impa): days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1964 with 122.
- 11 fixed thresholds have at least one qualifying day at Rosario Izapa (Impa).
Days at or above 30 C (86 F)
25 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1961 | 254 | 274 |
| 1962 | 258 | 274 |
| 1963 | 270 | 274 |
| 1964 | 279 | 274 |
| 1965 | 309 | 274 |
| 1966 | 309 | 274 |
| 1967 | 295 | 274 |
| 1968 | 218 | 274 |
| 1970 | 289 | 312.4 |
| 1971 | 291 | 312.4 |
| 1972 | 339 | 312.4 |
| 1973 | 300 | 312.4 |
| 1974 | 320 | 312.4 |
| 1975 | 305 | 312.4 |
| 1976 | 331 | 312.4 |
| 1977 | 309 | 312.4 |
| 1978 | 328 | 312.4 |
| 1980 | 329 | 326.1 |
| 1981 | 314 | 326.1 |
| 1984 | 323 | 326.1 |
| 1985 | 334 | 326.1 |
| 1986 | 341 | 326.1 |
| 1987 | 322 | 326.1 |
| 1988 | 323 | 326.1 |
| 1989 | 323 | 326.1 |
| Year | First date | Last date |
|---|---|---|
| 1961 | 1961-01-01 | 1961-12-31 |
| 1962 | 1962-01-01 | 1962-12-31 |
| 1963 | 1963-01-01 | 1963-12-31 |
| 1964 | 1964-01-03 | 1964-12-31 |
| 1965 | 1965-01-01 | 1965-12-31 |
| 1966 | 1966-01-01 | 1966-12-31 |
| 1967 | 1967-01-01 | 1967-12-31 |
| 1968 | 1968-01-14 | 1968-12-30 |
| 1970 | 1970-01-01 | 1970-12-31 |
| 1971 | 1971-01-01 | 1971-12-31 |
| 1972 | 1972-01-01 | 1972-12-31 |
| 1973 | 1973-01-01 | 1973-12-31 |
| 1974 | 1974-01-01 | 1974-12-31 |
| 1975 | 1975-01-01 | 1975-12-31 |
| 1976 | 1976-01-02 | 1976-12-31 |
| 1977 | 1977-01-01 | 1977-11-30 |
| 1978 | 1978-01-01 | 1978-12-31 |
| 1980 | 1980-01-01 | 1980-12-31 |
| 1981 | 1981-01-01 | 1981-12-31 |
| 1984 | 1984-01-01 | 1984-12-31 |
| 1985 | 1985-01-01 | 1985-12-31 |
| 1986 | 1986-01-01 | 1986-12-31 |
| 1987 | 1987-01-01 | 1987-12-31 |
| 1988 | 1988-01-01 | 1988-12-31 |
| 1989 | 1989-01-01 | 1989-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 25 | 341 | 1986 | 323 |
| 35 C (95 F): Days | 14 | 13 | 1987 | 2 |
| 90 F (32.2 C): Days | 25 | 178 | 1987 | 99 |
| 100 F (37.8 C): Days | 3 | 1 | 1963 | 1 |
| 20 C (68 F): Tropical nights (min | 25 | 211 | 1980 | 156 |
| 25 C (77 F): Days with min | 3 | 2 | 1980 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 25 | 122 | 1964 | 112 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 25 | 69 | 1975 | 66 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 25 | 36 | 1974 | 29 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 25 | 7 | 1973 | 3 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 2 | 1 | 1963 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.
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).