Zinacatepec (Smn) Threshold Days by Year
11 fixed thresholds counted per year at Zinacatepec (Smn) (MXN00021113): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Zinacatepec (Smn) Thresholds
- Zinacatepec (Smn): days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1958 with 20.
- Zinacatepec (Smn): days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1947 with 9.
- Zinacatepec (Smn): days with a maximum temperature at or above 30 C (86 F) in 13 years, most in 1982 with 340.
- Zinacatepec (Smn): days with a maximum temperature at or above 35 C (95 F) in 13 years, most in 1982 with 196.
- 11 fixed thresholds have at least one qualifying day at Zinacatepec (Smn).
Days at or above 30 C (86 F)
13 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1955 | 241 | 268 |
| 1956 | 289 | 268 |
| 1957 | 339 | 268 |
| 1958 | 241 | 268 |
| 1959 | 230 | 268 |
| 1960 | 270 | 270 |
| 1973 | 238 | 266 |
| 1974 | 248 | 266 |
| 1976 | 261 | 266 |
| 1977 | 306 | 266 |
| 1978 | 277 | 266 |
| 1982 | 340 | 332.5 |
| 1983 | 325 | 332.5 |
| Year | First date | Last date |
|---|---|---|
| 1955 | 1955-01-01 | 1955-12-27 |
| 1956 | 1956-01-02 | 1956-12-31 |
| 1957 | 1957-01-01 | 1957-12-31 |
| 1958 | 1958-01-04 | 1958-12-31 |
| 1959 | 1959-01-02 | 1959-12-26 |
| 1960 | 1960-01-01 | 1960-12-31 |
| 1973 | 1973-02-01 | 1973-11-30 |
| 1974 | 1974-01-28 | 1974-12-28 |
| 1976 | 1976-01-01 | 1976-12-30 |
| 1977 | 1977-01-01 | 1977-12-31 |
| 1978 | 1978-01-01 | 1978-12-31 |
| 1982 | 1982-01-01 | 1982-12-31 |
| 1983 | 1983-01-01 | 1983-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 13 | 340 | 1982 | 325 |
| 35 C (95 F): Days | 13 | 196 | 1982 | 139 |
| 40 C (104 F): Days | 9 | 10 | 1973 | 8 |
| 90 F (32.2 C): Days | 13 | 263 | 1982 | 232 |
| 100 F (37.8 C): Days | 12 | 70 | 1973 | 45 |
| 20 C (68 F): Tropical nights (min | 13 | 77 | 1974 | 34 |
| 25 C (77 F): Days with min | 2 | 1 | 1957 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 18 | 20 | 1958 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 18 | 9 | 1947 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 8 | 3 | 1960 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1960 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).