San Francisco Tlalnepantla Threshold Days by Year (MXN00009041)
5 fixed thresholds counted per year at San Francisco Tlalnepantla (MXN00009041): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Francisco Tlalnepantla Thresholds
- San Francisco Tlalnepantla: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1976 with 47.
- San Francisco Tlalnepantla: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1998 with 13.
- San Francisco Tlalnepantla: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 1974 with 35.
- San Francisco Tlalnepantla: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1976 with 4.
- 5 fixed thresholds have at least one qualifying day at San Francisco Tlalnepantla.
Days at or above 30 C (86 F)
7 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1983 | 4 | 4 |
| 1998 | 9 | 9 |
| 2001 | 3 | 3.8 |
| 2002 | 2 | 3.8 |
| 2003 | 6 | 3.8 |
| 2005 | 4 | 3.8 |
| 2011 | 2 | 2 |
| Year | First date | Last date |
|---|---|---|
| 1983 | 1983-05-17 | 1983-05-20 |
| 1998 | 1998-04-16 | 1998-06-15 |
| 2001 | 2001-04-04 | 2001-04-13 |
| 2002 | 2002-05-02 | 2002-05-03 |
| 2003 | 2003-05-04 | 2003-05-10 |
| 2005 | 2005-06-04 | 2005-06-11 |
| 2011 | 2011-05-23 | 2011-05-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 7 | 9 | 1998 | 2 |
| 0 C (32 F): Frost days (min | 29 | 35 | 1974 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 39 | 47 | 1976 | 26 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 39 | 13 | 1998 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 4 | 1976 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.
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).