Zacualpan Threshold Days by Year (MXN00015136)
6 fixed thresholds counted per year at Zacualpan (MXN00015136): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Zacualpan Thresholds
- Zacualpan: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1972 with 73.
- Zacualpan: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1970 with 27.
- Zacualpan: days with a maximum temperature at or above 30 C (86 F) in 11 years, most in 1983 with 30.
- Zacualpan: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1969 with 4.
- 6 fixed thresholds have at least one qualifying day at Zacualpan.
Days at or above 30 C (86 F)
11 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1977 | 10 | 16.7 |
| 1978 | 22 | 16.7 |
| 1979 | 18 | 16.7 |
| 1980 | 8 | 14.6 |
| 1981 | 11 | 14.6 |
| 1982 | 11 | 14.6 |
| 1983 | 30 | 14.6 |
| 1984 | 11 | 14.6 |
| 1986 | 16 | 14.6 |
| 1987 | 15 | 14.6 |
| 1990 | 4 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1977 | 1977-03-15 | 1977-08-26 |
| 1978 | 1978-04-01 | 1978-05-22 |
| 1979 | 1979-04-04 | 1979-05-20 |
| 1980 | 1980-05-10 | 1980-06-13 |
| 1981 | 1981-03-31 | 1981-05-19 |
| 1982 | 1982-04-04 | 1982-05-14 |
| 1983 | 1983-04-24 | 1983-05-29 |
| 1984 | 1984-04-05 | 1984-05-07 |
| 1986 | 1986-03-31 | 1986-05-16 |
| 1987 | 1987-04-18 | 1987-05-27 |
| 1990 | 1990-04-10 | 1990-06-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 11 | 30 | 1983 | 4 |
| 90 F (32.2 C): Days | 3 | 4 | 1983 | 4 |
| 20 C (68 F): Tropical nights (min | 2 | 2 | 1983 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 27 | 73 | 1972 | 47 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 27 | 27 | 1970 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 10 | 4 | 1969 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.
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).