Table 4.
Linear trends of monthly mean temperature and monthly precipitation sum in Basel during the period 1969–2018.
| Month/Year | Temperature [ ° C] | Precipitation [mm] | ||
|---|---|---|---|---|
| Trend abs | p-value | Trend abs | p-value | |
| Jan | 1.80 | 0.155 | 8.17 | 0.628 |
| Feb | 1.03 | 0.482 | −0.26 | 0.967 |
| Mar | 1.81 | 0.059 | −5.85 | 0.514 |
| Apr | 3.32 | <0.001 | 2.97 | 0.861 |
| May | 2.90 | <0.001 | 34.30 | 0.08 |
| Jun | 3.92 | <0.001 | −22.18 | 0.277 |
| Jul | 2.68 | 0.001 | 10.47 | 0.61 |
| Aug | 2.90 | <0.001 | 8.52 | 0.682 |
| Sep | 1.63 | 0.032 | 12.25 | 0.32 |
| Oct | 2.45 | 0.002 | 23.46 | 0.216 |
| Nov | 1.68 | 0.023 | −8.91 | 0.67 |
| Dec | 1.76 | 0.041 | 26.95 | 0.15 |
| Year | 2.4 | <0.001 | 99.19 | 0.173 |
Trend abs shows the absolute linear change of the parameter during the 50 years. Trends were calculated with Mann-Kendall trend test and Theil-Sen linear trend slope. Significant p-values are in bold.