| Simple linear regression | ||
| Weather station/tmax y tmin | tmax | tmin |
| Comitan | The maximum temperature has increased 3.8 degrees Celsius in 40 years. This will not be significant in tests like Mann Kendall’s. | The minimum temperature has increased 2.4 degrees Celsius in 40 years. This will not be significant in tests like Mann Kendall’s. |
| La Esperanza | The maximum temperature has increased 0.4 degrees Celsius in 22 years. This will not be significant in tests like Mann Kendall’s. | The minimum temperature has decreased 0.65 degrees Celsius in 22 years. This will not be significant in tests like Mann Kendall’s. |
| Spearmen’s rho | ||
|
| tmax | tmin |
| Comitan | D = −0.84 | D = −0.63 |
| La Esperanza | D = −0.56 | D = −0.71 |
| Mann Kendall | ||
|
| tmax | tmin |
| Comitan | ZMK = 1.57 | ZMK = 4.64 |
| La Esperanza | ZMK = 1.16 | ZMK = −2.27 |