The rains in March have caused significant growth the Catalan marshes, which are already exceeding, on average, 62% of their capacity. The Baells reservoir in Berguedà has even had to release water because it already exceeded 95% of its total capacity, which is 109 hm³. However, looking at the reservoir data, the Siurana reservoir in Priorat is striking, with a modest 23.38% capacity, equivalent to 2.86 hm³, while the Riudecanyes reservoir, which is connected to the Siurana reservoir, is at 51% (2.74 hm³). Why haven't these two reservoirs absorbed as much water as the others?