Mazapa Threshold Days by Year (MXN00029015)
5 fixed thresholds counted per year at Mazapa (MXN00029015): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mazapa Thresholds
- Mazapa: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1940 with 37.
- Mazapa: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1974 with 10.
- Mazapa: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1963 with 59.
- Mazapa: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 1970 with 4.
- 5 fixed thresholds have at least one qualifying day at Mazapa.
Days at or above 30 C (86 F)
12 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1939 | 1 | 1 |
| 1941 | 1 | 1 |
| 1942 | 1 | 1 |
| 1946 | 1 | 1 |
| 1967 | 1 | 1 |
| 1970 | 4 | 2.2 |
| 1971 | 3 | 2.2 |
| 1973 | 2 | 2.2 |
| 1975 | 1 | 2.2 |
| 1977 | 1 | 2.2 |
| 1980 | 1 | 1 |
| 1982 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1939 | 1939-04-04 | 1939-04-04 |
| 1941 | 1941-11-20 | 1941-11-20 |
| 1942 | 1942-03-26 | 1942-03-26 |
| 1946 | 1946-07-07 | 1946-07-07 |
| 1967 | 1967-05-11 | 1967-05-11 |
| 1970 | 1970-04-01 | 1970-04-26 |
| 1971 | 1971-04-26 | 1971-04-30 |
| 1973 | 1973-05-25 | 1973-05-26 |
| 1975 | 1975-04-24 | 1975-04-24 |
| 1977 | 1977-03-21 | 1977-03-21 |
| 1980 | 1980-03-14 | 1980-03-14 |
| 1982 | 1982-06-27 | 1982-06-27 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 12 | 4 | 1970 | 1 |
| 0 C (32 F): Frost days (min | 43 | 59 | 1963 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 46 | 37 | 1940 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 44 | 10 | 1974 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 11 | 2 | 1942 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.
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).