Table 1. Pearson correlation coefficients between the time series of SPEI-1 and moisture uptake and moisture supply over RR.
| SPEI-1 x | APC | NPO | TER | WNA |
| moisture uptake | 0.101 | 0.095 | 0.034 | -0.420 |
| moisture supply | 0.245 | 0.406 | 0.129 | 0.470 |
Table 2. Pearson correlation coefficients between the time series of moisture supply from RR to its remote terrestrial sink and PRE over sink .
| PRE sink | |
| Supply sink | 0.239 |
Values significant at 99% according to the Student’s t-test are in red.